resolve merge conflicts of 6aa6ddb to nyc-dev
Change-Id: I3696fe3e86e0222c7c26b0aa2bf1dd8e03ac5315
diff --git a/Android.mk b/Android.mk
index b31f730..65d123a 100644
--- a/Android.mk
+++ b/Android.mk
@@ -14,17 +14,16 @@
LOCAL_PATH := $(call my-dir)
-
include $(CLEAR_VARS)
-LOCAL_SRC_FILES := fuse_sideload.c
-
+LOCAL_SRC_FILES := fuse_sideload.cpp
+LOCAL_CLANG := true
LOCAL_CFLAGS := -O2 -g -DADB_HOST=0 -Wall -Wno-unused-parameter
LOCAL_CFLAGS += -D_XOPEN_SOURCE -D_GNU_SOURCE
LOCAL_MODULE := libfusesideload
-LOCAL_STATIC_LIBRARIES := libcutils libc libmincrypt
+LOCAL_STATIC_LIBRARIES := libcutils libc libcrypto_static
include $(BUILD_STATIC_LIBRARY)
include $(CLEAR_VARS)
@@ -34,7 +33,7 @@
asn1_decoder.cpp \
bootloader.cpp \
device.cpp \
- fuse_sdcard_provider.c \
+ fuse_sdcard_provider.cpp \
install.cpp \
recovery.cpp \
roots.cpp \
@@ -42,19 +41,23 @@
ui.cpp \
verifier.cpp \
wear_ui.cpp \
+ wear_touch.cpp \
LOCAL_MODULE := recovery
LOCAL_FORCE_STATIC_EXECUTABLE := true
+ifeq ($(TARGET_USERIMAGES_USE_F2FS),true)
ifeq ($(HOST_OS),linux)
LOCAL_REQUIRED_MODULES := mkfs.f2fs
endif
+endif
RECOVERY_API_VERSION := 3
RECOVERY_FSTAB_VERSION := 2
LOCAL_CFLAGS += -DRECOVERY_API_VERSION=$(RECOVERY_API_VERSION)
LOCAL_CFLAGS += -Wno-unused-parameter
+LOCAL_CLANG := true
LOCAL_C_INCLUDES += \
system/vold \
@@ -62,25 +65,28 @@
system/core/adb \
LOCAL_STATIC_LIBRARIES := \
+ libbatterymonitor \
libext4_utils_static \
libsparse_static \
libminzip \
libz \
libmtdutils \
- libmincrypt \
libminadbd \
libfusesideload \
libminui \
libpng \
libfs_mgr \
+ libcrypto_static \
libbase \
libcutils \
+ libutils \
liblog \
libselinux \
- libstdc++ \
libm \
libc
+LOCAL_HAL_STATIC_LIBRARIES := libhealthd
+
ifeq ($(TARGET_USERIMAGES_USE_EXT4), true)
LOCAL_CFLAGS += -DUSE_EXT4
LOCAL_C_INCLUDES += system/extras/ext4_utils
@@ -95,35 +101,43 @@
LOCAL_STATIC_LIBRARIES += $(TARGET_RECOVERY_UI_LIB)
endif
+ifeq ($(BOARD_CACHEIMAGE_PARTITION_SIZE),)
+LOCAL_REQUIRED_MODULES := recovery-persist recovery-refresh
+endif
+
+include $(BUILD_EXECUTABLE)
+
+# recovery-persist (system partition dynamic executable run after /data mounts)
+# ===============================
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := recovery-persist.cpp
+LOCAL_MODULE := recovery-persist
+LOCAL_SHARED_LIBRARIES := liblog libbase
+LOCAL_CFLAGS := -Werror
+LOCAL_INIT_RC := recovery-persist.rc
+include $(BUILD_EXECUTABLE)
+
+# recovery-refresh (system partition dynamic executable run at init)
+# ===============================
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := recovery-refresh.cpp
+LOCAL_MODULE := recovery-refresh
+LOCAL_SHARED_LIBRARIES := liblog
+LOCAL_CFLAGS := -Werror
+LOCAL_INIT_RC := recovery-refresh.rc
include $(BUILD_EXECUTABLE)
# All the APIs for testing
include $(CLEAR_VARS)
+LOCAL_CLANG := true
LOCAL_MODULE := libverifier
LOCAL_MODULE_TAGS := tests
LOCAL_SRC_FILES := \
- asn1_decoder.cpp
-include $(BUILD_STATIC_LIBRARY)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := verifier_test
-LOCAL_FORCE_STATIC_EXECUTABLE := true
-LOCAL_MODULE_TAGS := tests
-LOCAL_CFLAGS += -Wno-unused-parameter
-LOCAL_SRC_FILES := \
- verifier_test.cpp \
asn1_decoder.cpp \
verifier.cpp \
ui.cpp
-LOCAL_STATIC_LIBRARIES := \
- libmincrypt \
- libminui \
- libminzip \
- libcutils \
- libstdc++ \
- libc
-include $(BUILD_EXECUTABLE)
-
+LOCAL_STATIC_LIBRARIES := libcrypto_static
+include $(BUILD_STATIC_LIBRARY)
include $(LOCAL_PATH)/minui/Android.mk \
$(LOCAL_PATH)/minzip/Android.mk \
@@ -133,5 +147,7 @@
$(LOCAL_PATH)/tools/Android.mk \
$(LOCAL_PATH)/edify/Android.mk \
$(LOCAL_PATH)/uncrypt/Android.mk \
+ $(LOCAL_PATH)/otafault/Android.mk \
$(LOCAL_PATH)/updater/Android.mk \
+ $(LOCAL_PATH)/update_verifier/Android.mk \
$(LOCAL_PATH)/applypatch/Android.mk
diff --git a/README.md b/README.md
index bab7e87..01fab94 100644
--- a/README.md
+++ b/README.md
@@ -10,3 +10,20 @@
# without flashing the recovery partition:
adb reboot bootloader
fastboot boot $ANDROID_PRODUCT_OUT/recovery.img
+
+Running the tests
+-----------------
+ # After setting up environment and lunch.
+ mmma -j bootable/recovery
+
+ # Running the tests on device.
+ adb root
+ adb sync data
+
+ # 32-bit device
+ adb shell /data/nativetest/recovery_unit_test/recovery_unit_test
+ adb shell /data/nativetest/recovery_component_test/recovery_component_test
+
+ # Or 64-bit device
+ adb shell /data/nativetest64/recovery_unit_test/recovery_unit_test
+ adb shell /data/nativetest64/recovery_component_test/recovery_component_test
diff --git a/adb_install.cpp b/adb_install.cpp
index e3b94ea..4aed9d4 100644
--- a/adb_install.cpp
+++ b/adb_install.cpp
@@ -91,7 +91,7 @@
// FUSE_SIDELOAD_HOST_PATHNAME will start to exist once the host
// connects and starts serving a package. Poll for its
// appearance. (Note that inotify doesn't work with FUSE.)
- int result;
+ int result = INSTALL_ERROR;
int status;
bool waited = false;
struct stat st;
@@ -113,7 +113,7 @@
break;
}
}
- result = install_package(FUSE_SIDELOAD_HOST_PATHNAME, wipe_cache, install_file, false);
+ result = install_package(FUSE_SIDELOAD_HOST_PATHNAME, wipe_cache, install_file, false, 0);
break;
}
diff --git a/applypatch/Android.mk b/applypatch/Android.mk
index 4984093..887a570 100644
--- a/applypatch/Android.mk
+++ b/applypatch/Android.mk
@@ -13,41 +13,59 @@
# limitations under the License.
LOCAL_PATH := $(call my-dir)
+
include $(CLEAR_VARS)
-LOCAL_SRC_FILES := applypatch.c bspatch.c freecache.c imgpatch.c utils.c
+LOCAL_CLANG := true
+LOCAL_SRC_FILES := applypatch.cpp bspatch.cpp freecache.cpp imgpatch.cpp utils.cpp
LOCAL_MODULE := libapplypatch
LOCAL_MODULE_TAGS := eng
-LOCAL_C_INCLUDES += external/bzip2 external/zlib bootable/recovery
-LOCAL_STATIC_LIBRARIES += libmtdutils libmincrypt libbz libz
+LOCAL_C_INCLUDES += bootable/recovery
+LOCAL_STATIC_LIBRARIES += libbase libotafault libmtdutils libcrypto_static libbz libz
include $(BUILD_STATIC_LIBRARY)
include $(CLEAR_VARS)
-LOCAL_SRC_FILES := main.c
+LOCAL_CLANG := true
+LOCAL_SRC_FILES := bspatch.cpp imgpatch.cpp utils.cpp
+LOCAL_MODULE := libimgpatch
+LOCAL_C_INCLUDES += bootable/recovery
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
+LOCAL_STATIC_LIBRARIES += libcrypto_static libbz libz
+
+include $(BUILD_STATIC_LIBRARY)
+
+ifeq ($(HOST_OS),linux)
+include $(CLEAR_VARS)
+
+LOCAL_CLANG := true
+LOCAL_SRC_FILES := bspatch.cpp imgpatch.cpp utils.cpp
+LOCAL_MODULE := libimgpatch
+LOCAL_C_INCLUDES += bootable/recovery
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
+LOCAL_STATIC_LIBRARIES += libcrypto_static libbz libz
+
+include $(BUILD_HOST_STATIC_LIBRARY)
+endif # HOST_OS == linux
+
+include $(CLEAR_VARS)
+
+LOCAL_CLANG := true
+LOCAL_SRC_FILES := main.cpp
LOCAL_MODULE := applypatch
LOCAL_C_INCLUDES += bootable/recovery
-LOCAL_STATIC_LIBRARIES += libapplypatch libmtdutils libmincrypt libbz
-LOCAL_SHARED_LIBRARIES += libz libcutils libstdc++ libc
+LOCAL_STATIC_LIBRARIES += libapplypatch libbase libotafault libmtdutils libcrypto_static libbz \
+ libedify \
+
+LOCAL_SHARED_LIBRARIES += libz libcutils libc
include $(BUILD_EXECUTABLE)
include $(CLEAR_VARS)
-LOCAL_SRC_FILES := main.c
-LOCAL_MODULE := applypatch_static
-LOCAL_FORCE_STATIC_EXECUTABLE := true
-LOCAL_MODULE_TAGS := eng
-LOCAL_C_INCLUDES += bootable/recovery
-LOCAL_STATIC_LIBRARIES += libapplypatch libmtdutils libmincrypt libbz
-LOCAL_STATIC_LIBRARIES += libz libcutils libstdc++ libc
-
-include $(BUILD_EXECUTABLE)
-
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES := imgdiff.c utils.c bsdiff.c
+LOCAL_CLANG := true
+LOCAL_SRC_FILES := imgdiff.cpp utils.cpp bsdiff.cpp
LOCAL_MODULE := imgdiff
LOCAL_FORCE_STATIC_EXECUTABLE := true
LOCAL_C_INCLUDES += external/zlib external/bzip2
diff --git a/applypatch/applypatch.c b/applypatch/applypatch.c
deleted file mode 100644
index 2358d42..0000000
--- a/applypatch/applypatch.c
+++ /dev/null
@@ -1,1048 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <errno.h>
-#include <libgen.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/statfs.h>
-#include <sys/types.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <stdbool.h>
-
-#include "mincrypt/sha.h"
-#include "applypatch.h"
-#include "mtdutils/mtdutils.h"
-#include "edify/expr.h"
-
-static int LoadPartitionContents(const char* filename, FileContents* file);
-static ssize_t FileSink(const unsigned char* data, ssize_t len, void* token);
-static int GenerateTarget(FileContents* source_file,
- const Value* source_patch_value,
- FileContents* copy_file,
- const Value* copy_patch_value,
- const char* source_filename,
- const char* target_filename,
- const uint8_t target_sha1[SHA_DIGEST_SIZE],
- size_t target_size,
- const Value* bonus_data);
-
-static int mtd_partitions_scanned = 0;
-
-// Read a file into memory; store the file contents and associated
-// metadata in *file.
-//
-// Return 0 on success.
-int LoadFileContents(const char* filename, FileContents* file) {
- file->data = NULL;
-
- // A special 'filename' beginning with "MTD:" or "EMMC:" means to
- // load the contents of a partition.
- if (strncmp(filename, "MTD:", 4) == 0 ||
- strncmp(filename, "EMMC:", 5) == 0) {
- return LoadPartitionContents(filename, file);
- }
-
- if (stat(filename, &file->st) != 0) {
- printf("failed to stat \"%s\": %s\n", filename, strerror(errno));
- return -1;
- }
-
- file->size = file->st.st_size;
- file->data = malloc(file->size);
-
- FILE* f = fopen(filename, "rb");
- if (f == NULL) {
- printf("failed to open \"%s\": %s\n", filename, strerror(errno));
- free(file->data);
- file->data = NULL;
- return -1;
- }
-
- ssize_t bytes_read = fread(file->data, 1, file->size, f);
- if (bytes_read != file->size) {
- printf("short read of \"%s\" (%ld bytes of %ld)\n",
- filename, (long)bytes_read, (long)file->size);
- free(file->data);
- file->data = NULL;
- return -1;
- }
- fclose(f);
-
- SHA_hash(file->data, file->size, file->sha1);
- return 0;
-}
-
-static size_t* size_array;
-// comparison function for qsort()ing an int array of indexes into
-// size_array[].
-static int compare_size_indices(const void* a, const void* b) {
- int aa = *(int*)a;
- int bb = *(int*)b;
- if (size_array[aa] < size_array[bb]) {
- return -1;
- } else if (size_array[aa] > size_array[bb]) {
- return 1;
- } else {
- return 0;
- }
-}
-
-// Load the contents of an MTD or EMMC partition into the provided
-// FileContents. filename should be a string of the form
-// "MTD:<partition_name>:<size_1>:<sha1_1>:<size_2>:<sha1_2>:..." (or
-// "EMMC:<partition_device>:..."). The smallest size_n bytes for
-// which that prefix of the partition contents has the corresponding
-// sha1 hash will be loaded. It is acceptable for a size value to be
-// repeated with different sha1s. Will return 0 on success.
-//
-// This complexity is needed because if an OTA installation is
-// interrupted, the partition might contain either the source or the
-// target data, which might be of different lengths. We need to know
-// the length in order to read from a partition (there is no
-// "end-of-file" marker), so the caller must specify the possible
-// lengths and the hash of the data, and we'll do the load expecting
-// to find one of those hashes.
-enum PartitionType { MTD, EMMC };
-
-static int LoadPartitionContents(const char* filename, FileContents* file) {
- char* copy = strdup(filename);
- const char* magic = strtok(copy, ":");
-
- enum PartitionType type;
-
- if (strcmp(magic, "MTD") == 0) {
- type = MTD;
- } else if (strcmp(magic, "EMMC") == 0) {
- type = EMMC;
- } else {
- printf("LoadPartitionContents called with bad filename (%s)\n",
- filename);
- return -1;
- }
- const char* partition = strtok(NULL, ":");
-
- int i;
- int colons = 0;
- for (i = 0; filename[i] != '\0'; ++i) {
- if (filename[i] == ':') {
- ++colons;
- }
- }
- if (colons < 3 || colons%2 == 0) {
- printf("LoadPartitionContents called with bad filename (%s)\n",
- filename);
- }
-
- int pairs = (colons-1)/2; // # of (size,sha1) pairs in filename
- int* index = malloc(pairs * sizeof(int));
- size_t* size = malloc(pairs * sizeof(size_t));
- char** sha1sum = malloc(pairs * sizeof(char*));
-
- for (i = 0; i < pairs; ++i) {
- const char* size_str = strtok(NULL, ":");
- size[i] = strtol(size_str, NULL, 10);
- if (size[i] == 0) {
- printf("LoadPartitionContents called with bad size (%s)\n", filename);
- return -1;
- }
- sha1sum[i] = strtok(NULL, ":");
- index[i] = i;
- }
-
- // sort the index[] array so it indexes the pairs in order of
- // increasing size.
- size_array = size;
- qsort(index, pairs, sizeof(int), compare_size_indices);
-
- MtdReadContext* ctx = NULL;
- FILE* dev = NULL;
-
- switch (type) {
- case MTD:
- if (!mtd_partitions_scanned) {
- mtd_scan_partitions();
- mtd_partitions_scanned = 1;
- }
-
- const MtdPartition* mtd = mtd_find_partition_by_name(partition);
- if (mtd == NULL) {
- printf("mtd partition \"%s\" not found (loading %s)\n",
- partition, filename);
- return -1;
- }
-
- ctx = mtd_read_partition(mtd);
- if (ctx == NULL) {
- printf("failed to initialize read of mtd partition \"%s\"\n",
- partition);
- return -1;
- }
- break;
-
- case EMMC:
- dev = fopen(partition, "rb");
- if (dev == NULL) {
- printf("failed to open emmc partition \"%s\": %s\n",
- partition, strerror(errno));
- return -1;
- }
- }
-
- SHA_CTX sha_ctx;
- SHA_init(&sha_ctx);
- uint8_t parsed_sha[SHA_DIGEST_SIZE];
-
- // allocate enough memory to hold the largest size.
- file->data = malloc(size[index[pairs-1]]);
- char* p = (char*)file->data;
- file->size = 0; // # bytes read so far
-
- for (i = 0; i < pairs; ++i) {
- // Read enough additional bytes to get us up to the next size
- // (again, we're trying the possibilities in order of increasing
- // size).
- size_t next = size[index[i]] - file->size;
- size_t read = 0;
- if (next > 0) {
- switch (type) {
- case MTD:
- read = mtd_read_data(ctx, p, next);
- break;
-
- case EMMC:
- read = fread(p, 1, next, dev);
- break;
- }
- if (next != read) {
- printf("short read (%zu bytes of %zu) for partition \"%s\"\n",
- read, next, partition);
- free(file->data);
- file->data = NULL;
- return -1;
- }
- SHA_update(&sha_ctx, p, read);
- file->size += read;
- }
-
- // Duplicate the SHA context and finalize the duplicate so we can
- // check it against this pair's expected hash.
- SHA_CTX temp_ctx;
- memcpy(&temp_ctx, &sha_ctx, sizeof(SHA_CTX));
- const uint8_t* sha_so_far = SHA_final(&temp_ctx);
-
- if (ParseSha1(sha1sum[index[i]], parsed_sha) != 0) {
- printf("failed to parse sha1 %s in %s\n",
- sha1sum[index[i]], filename);
- free(file->data);
- file->data = NULL;
- return -1;
- }
-
- if (memcmp(sha_so_far, parsed_sha, SHA_DIGEST_SIZE) == 0) {
- // we have a match. stop reading the partition; we'll return
- // the data we've read so far.
- printf("partition read matched size %zu sha %s\n",
- size[index[i]], sha1sum[index[i]]);
- break;
- }
-
- p += read;
- }
-
- switch (type) {
- case MTD:
- mtd_read_close(ctx);
- break;
-
- case EMMC:
- fclose(dev);
- break;
- }
-
-
- if (i == pairs) {
- // Ran off the end of the list of (size,sha1) pairs without
- // finding a match.
- printf("contents of partition \"%s\" didn't match %s\n",
- partition, filename);
- free(file->data);
- file->data = NULL;
- return -1;
- }
-
- const uint8_t* sha_final = SHA_final(&sha_ctx);
- for (i = 0; i < SHA_DIGEST_SIZE; ++i) {
- file->sha1[i] = sha_final[i];
- }
-
- // Fake some stat() info.
- file->st.st_mode = 0644;
- file->st.st_uid = 0;
- file->st.st_gid = 0;
-
- free(copy);
- free(index);
- free(size);
- free(sha1sum);
-
- return 0;
-}
-
-
-// Save the contents of the given FileContents object under the given
-// filename. Return 0 on success.
-int SaveFileContents(const char* filename, const FileContents* file) {
- int fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_SYNC, S_IRUSR | S_IWUSR);
- if (fd < 0) {
- printf("failed to open \"%s\" for write: %s\n",
- filename, strerror(errno));
- return -1;
- }
-
- ssize_t bytes_written = FileSink(file->data, file->size, &fd);
- if (bytes_written != file->size) {
- printf("short write of \"%s\" (%ld bytes of %ld) (%s)\n",
- filename, (long)bytes_written, (long)file->size,
- strerror(errno));
- close(fd);
- return -1;
- }
- if (fsync(fd) != 0) {
- printf("fsync of \"%s\" failed: %s\n", filename, strerror(errno));
- return -1;
- }
- if (close(fd) != 0) {
- printf("close of \"%s\" failed: %s\n", filename, strerror(errno));
- return -1;
- }
-
- if (chmod(filename, file->st.st_mode) != 0) {
- printf("chmod of \"%s\" failed: %s\n", filename, strerror(errno));
- return -1;
- }
- if (chown(filename, file->st.st_uid, file->st.st_gid) != 0) {
- printf("chown of \"%s\" failed: %s\n", filename, strerror(errno));
- return -1;
- }
-
- return 0;
-}
-
-// Write a memory buffer to 'target' partition, a string of the form
-// "MTD:<partition>[:...]" or "EMMC:<partition_device>:". Return 0 on
-// success.
-int WriteToPartition(unsigned char* data, size_t len,
- const char* target) {
- char* copy = strdup(target);
- const char* magic = strtok(copy, ":");
-
- enum PartitionType type;
- if (strcmp(magic, "MTD") == 0) {
- type = MTD;
- } else if (strcmp(magic, "EMMC") == 0) {
- type = EMMC;
- } else {
- printf("WriteToPartition called with bad target (%s)\n", target);
- return -1;
- }
- const char* partition = strtok(NULL, ":");
-
- if (partition == NULL) {
- printf("bad partition target name \"%s\"\n", target);
- return -1;
- }
-
- switch (type) {
- case MTD:
- if (!mtd_partitions_scanned) {
- mtd_scan_partitions();
- mtd_partitions_scanned = 1;
- }
-
- const MtdPartition* mtd = mtd_find_partition_by_name(partition);
- if (mtd == NULL) {
- printf("mtd partition \"%s\" not found for writing\n",
- partition);
- return -1;
- }
-
- MtdWriteContext* ctx = mtd_write_partition(mtd);
- if (ctx == NULL) {
- printf("failed to init mtd partition \"%s\" for writing\n",
- partition);
- return -1;
- }
-
- size_t written = mtd_write_data(ctx, (char*)data, len);
- if (written != len) {
- printf("only wrote %zu of %zu bytes to MTD %s\n",
- written, len, partition);
- mtd_write_close(ctx);
- return -1;
- }
-
- if (mtd_erase_blocks(ctx, -1) < 0) {
- printf("error finishing mtd write of %s\n", partition);
- mtd_write_close(ctx);
- return -1;
- }
-
- if (mtd_write_close(ctx)) {
- printf("error closing mtd write of %s\n", partition);
- return -1;
- }
- break;
-
- case EMMC:
- {
- size_t start = 0;
- int success = 0;
- int fd = open(partition, O_RDWR | O_SYNC);
- if (fd < 0) {
- printf("failed to open %s: %s\n", partition, strerror(errno));
- return -1;
- }
- int attempt;
-
- for (attempt = 0; attempt < 2; ++attempt) {
- if (TEMP_FAILURE_RETRY(lseek(fd, start, SEEK_SET)) == -1) {
- printf("failed seek on %s: %s\n",
- partition, strerror(errno));
- return -1;
- }
- while (start < len) {
- size_t to_write = len - start;
- if (to_write > 1<<20) to_write = 1<<20;
-
- ssize_t written = TEMP_FAILURE_RETRY(write(fd, data+start, to_write));
- if (written == -1) {
- printf("failed write writing to %s: %s\n", partition, strerror(errno));
- return -1;
- }
- start += written;
- }
- if (fsync(fd) != 0) {
- printf("failed to sync to %s (%s)\n",
- partition, strerror(errno));
- return -1;
- }
- if (close(fd) != 0) {
- printf("failed to close %s (%s)\n",
- partition, strerror(errno));
- return -1;
- }
- fd = open(partition, O_RDONLY);
- if (fd < 0) {
- printf("failed to reopen %s for verify (%s)\n",
- partition, strerror(errno));
- return -1;
- }
-
- // drop caches so our subsequent verification read
- // won't just be reading the cache.
- sync();
- int dc = open("/proc/sys/vm/drop_caches", O_WRONLY);
- if (TEMP_FAILURE_RETRY(write(dc, "3\n", 2)) == -1) {
- printf("write to /proc/sys/vm/drop_caches failed: %s\n", strerror(errno));
- } else {
- printf(" caches dropped\n");
- }
- close(dc);
- sleep(1);
-
- // verify
- if (TEMP_FAILURE_RETRY(lseek(fd, 0, SEEK_SET)) == -1) {
- printf("failed to seek back to beginning of %s: %s\n",
- partition, strerror(errno));
- return -1;
- }
- unsigned char buffer[4096];
- start = len;
- size_t p;
- for (p = 0; p < len; p += sizeof(buffer)) {
- size_t to_read = len - p;
- if (to_read > sizeof(buffer)) to_read = sizeof(buffer);
-
- size_t so_far = 0;
- while (so_far < to_read) {
- ssize_t read_count =
- TEMP_FAILURE_RETRY(read(fd, buffer+so_far, to_read-so_far));
- if (read_count == -1) {
- printf("verify read error %s at %zu: %s\n",
- partition, p, strerror(errno));
- return -1;
- }
- if ((size_t)read_count < to_read) {
- printf("short verify read %s at %zu: %zd %zu %s\n",
- partition, p, read_count, to_read, strerror(errno));
- }
- so_far += read_count;
- }
-
- if (memcmp(buffer, data+p, to_read)) {
- printf("verification failed starting at %zu\n", p);
- start = p;
- break;
- }
- }
-
- if (start == len) {
- printf("verification read succeeded (attempt %d)\n", attempt+1);
- success = true;
- break;
- }
- }
-
- if (!success) {
- printf("failed to verify after all attempts\n");
- return -1;
- }
-
- if (close(fd) != 0) {
- printf("error closing %s (%s)\n", partition, strerror(errno));
- return -1;
- }
- sync();
- break;
- }
- }
-
- free(copy);
- return 0;
-}
-
-
-// Take a string 'str' of 40 hex digits and parse it into the 20
-// byte array 'digest'. 'str' may contain only the digest or be of
-// the form "<digest>:<anything>". Return 0 on success, -1 on any
-// error.
-int ParseSha1(const char* str, uint8_t* digest) {
- int i;
- const char* ps = str;
- uint8_t* pd = digest;
- for (i = 0; i < SHA_DIGEST_SIZE * 2; ++i, ++ps) {
- int digit;
- if (*ps >= '0' && *ps <= '9') {
- digit = *ps - '0';
- } else if (*ps >= 'a' && *ps <= 'f') {
- digit = *ps - 'a' + 10;
- } else if (*ps >= 'A' && *ps <= 'F') {
- digit = *ps - 'A' + 10;
- } else {
- return -1;
- }
- if (i % 2 == 0) {
- *pd = digit << 4;
- } else {
- *pd |= digit;
- ++pd;
- }
- }
- if (*ps != '\0') return -1;
- return 0;
-}
-
-// Search an array of sha1 strings for one matching the given sha1.
-// Return the index of the match on success, or -1 if no match is
-// found.
-int FindMatchingPatch(uint8_t* sha1, char* const * const patch_sha1_str,
- int num_patches) {
- int i;
- uint8_t patch_sha1[SHA_DIGEST_SIZE];
- for (i = 0; i < num_patches; ++i) {
- if (ParseSha1(patch_sha1_str[i], patch_sha1) == 0 &&
- memcmp(patch_sha1, sha1, SHA_DIGEST_SIZE) == 0) {
- return i;
- }
- }
- return -1;
-}
-
-// Returns 0 if the contents of the file (argv[2]) or the cached file
-// match any of the sha1's on the command line (argv[3:]). Returns
-// nonzero otherwise.
-int applypatch_check(const char* filename,
- int num_patches, char** const patch_sha1_str) {
- FileContents file;
- file.data = NULL;
-
- // It's okay to specify no sha1s; the check will pass if the
- // LoadFileContents is successful. (Useful for reading
- // partitions, where the filename encodes the sha1s; no need to
- // check them twice.)
- if (LoadFileContents(filename, &file) != 0 ||
- (num_patches > 0 &&
- FindMatchingPatch(file.sha1, patch_sha1_str, num_patches) < 0)) {
- printf("file \"%s\" doesn't have any of expected "
- "sha1 sums; checking cache\n", filename);
-
- free(file.data);
- file.data = NULL;
-
- // If the source file is missing or corrupted, it might be because
- // we were killed in the middle of patching it. A copy of it
- // should have been made in CACHE_TEMP_SOURCE. If that file
- // exists and matches the sha1 we're looking for, the check still
- // passes.
-
- if (LoadFileContents(CACHE_TEMP_SOURCE, &file) != 0) {
- printf("failed to load cache file\n");
- return 1;
- }
-
- if (FindMatchingPatch(file.sha1, patch_sha1_str, num_patches) < 0) {
- printf("cache bits don't match any sha1 for \"%s\"\n", filename);
- free(file.data);
- return 1;
- }
- }
-
- free(file.data);
- return 0;
-}
-
-int ShowLicenses() {
- ShowBSDiffLicense();
- return 0;
-}
-
-ssize_t FileSink(const unsigned char* data, ssize_t len, void* token) {
- int fd = *(int *)token;
- ssize_t done = 0;
- ssize_t wrote;
- while (done < (ssize_t) len) {
- wrote = TEMP_FAILURE_RETRY(write(fd, data+done, len-done));
- if (wrote == -1) {
- printf("error writing %d bytes: %s\n", (int)(len-done), strerror(errno));
- return done;
- }
- done += wrote;
- }
- return done;
-}
-
-typedef struct {
- unsigned char* buffer;
- ssize_t size;
- ssize_t pos;
-} MemorySinkInfo;
-
-ssize_t MemorySink(const unsigned char* data, ssize_t len, void* token) {
- MemorySinkInfo* msi = (MemorySinkInfo*)token;
- if (msi->size - msi->pos < len) {
- return -1;
- }
- memcpy(msi->buffer + msi->pos, data, len);
- msi->pos += len;
- return len;
-}
-
-// Return the amount of free space (in bytes) on the filesystem
-// containing filename. filename must exist. Return -1 on error.
-size_t FreeSpaceForFile(const char* filename) {
- struct statfs sf;
- if (statfs(filename, &sf) != 0) {
- printf("failed to statfs %s: %s\n", filename, strerror(errno));
- return -1;
- }
- return sf.f_bsize * sf.f_bavail;
-}
-
-int CacheSizeCheck(size_t bytes) {
- if (MakeFreeSpaceOnCache(bytes) < 0) {
- printf("unable to make %ld bytes available on /cache\n", (long)bytes);
- return 1;
- } else {
- return 0;
- }
-}
-
-static void print_short_sha1(const uint8_t sha1[SHA_DIGEST_SIZE]) {
- int i;
- const char* hex = "0123456789abcdef";
- for (i = 0; i < 4; ++i) {
- putchar(hex[(sha1[i]>>4) & 0xf]);
- putchar(hex[sha1[i] & 0xf]);
- }
-}
-
-// This function applies binary patches to files in a way that is safe
-// (the original file is not touched until we have the desired
-// replacement for it) and idempotent (it's okay to run this program
-// multiple times).
-//
-// - if the sha1 hash of <target_filename> is <target_sha1_string>,
-// does nothing and exits successfully.
-//
-// - otherwise, if the sha1 hash of <source_filename> is one of the
-// entries in <patch_sha1_str>, the corresponding patch from
-// <patch_data> (which must be a VAL_BLOB) is applied to produce a
-// new file (the type of patch is automatically detected from the
-// blob daat). If that new file has sha1 hash <target_sha1_str>,
-// moves it to replace <target_filename>, and exits successfully.
-// Note that if <source_filename> and <target_filename> are not the
-// same, <source_filename> is NOT deleted on success.
-// <target_filename> may be the string "-" to mean "the same as
-// source_filename".
-//
-// - otherwise, or if any error is encountered, exits with non-zero
-// status.
-//
-// <source_filename> may refer to a partition to read the source data.
-// See the comments for the LoadPartition Contents() function above
-// for the format of such a filename.
-
-int applypatch(const char* source_filename,
- const char* target_filename,
- const char* target_sha1_str,
- size_t target_size,
- int num_patches,
- char** const patch_sha1_str,
- Value** patch_data,
- Value* bonus_data) {
- printf("patch %s: ", source_filename);
-
- if (target_filename[0] == '-' &&
- target_filename[1] == '\0') {
- target_filename = source_filename;
- }
-
- uint8_t target_sha1[SHA_DIGEST_SIZE];
- if (ParseSha1(target_sha1_str, target_sha1) != 0) {
- printf("failed to parse tgt-sha1 \"%s\"\n", target_sha1_str);
- return 1;
- }
-
- FileContents copy_file;
- FileContents source_file;
- copy_file.data = NULL;
- source_file.data = NULL;
- const Value* source_patch_value = NULL;
- const Value* copy_patch_value = NULL;
-
- // We try to load the target file into the source_file object.
- if (LoadFileContents(target_filename, &source_file) == 0) {
- if (memcmp(source_file.sha1, target_sha1, SHA_DIGEST_SIZE) == 0) {
- // The early-exit case: the patch was already applied, this file
- // has the desired hash, nothing for us to do.
- printf("already ");
- print_short_sha1(target_sha1);
- putchar('\n');
- free(source_file.data);
- return 0;
- }
- }
-
- if (source_file.data == NULL ||
- (target_filename != source_filename &&
- strcmp(target_filename, source_filename) != 0)) {
- // Need to load the source file: either we failed to load the
- // target file, or we did but it's different from the source file.
- free(source_file.data);
- source_file.data = NULL;
- LoadFileContents(source_filename, &source_file);
- }
-
- if (source_file.data != NULL) {
- int to_use = FindMatchingPatch(source_file.sha1,
- patch_sha1_str, num_patches);
- if (to_use >= 0) {
- source_patch_value = patch_data[to_use];
- }
- }
-
- if (source_patch_value == NULL) {
- free(source_file.data);
- source_file.data = NULL;
- printf("source file is bad; trying copy\n");
-
- if (LoadFileContents(CACHE_TEMP_SOURCE, ©_file) < 0) {
- // fail.
- printf("failed to read copy file\n");
- return 1;
- }
-
- int to_use = FindMatchingPatch(copy_file.sha1,
- patch_sha1_str, num_patches);
- if (to_use >= 0) {
- copy_patch_value = patch_data[to_use];
- }
-
- if (copy_patch_value == NULL) {
- // fail.
- printf("copy file doesn't match source SHA-1s either\n");
- free(copy_file.data);
- return 1;
- }
- }
-
- int result = GenerateTarget(&source_file, source_patch_value,
- ©_file, copy_patch_value,
- source_filename, target_filename,
- target_sha1, target_size, bonus_data);
- free(source_file.data);
- free(copy_file.data);
-
- return result;
-}
-
-static int GenerateTarget(FileContents* source_file,
- const Value* source_patch_value,
- FileContents* copy_file,
- const Value* copy_patch_value,
- const char* source_filename,
- const char* target_filename,
- const uint8_t target_sha1[SHA_DIGEST_SIZE],
- size_t target_size,
- const Value* bonus_data) {
- int retry = 1;
- SHA_CTX ctx;
- int output;
- MemorySinkInfo msi;
- FileContents* source_to_use;
- char* outname;
- int made_copy = 0;
-
- // assume that target_filename (eg "/system/app/Foo.apk") is located
- // on the same filesystem as its top-level directory ("/system").
- // We need something that exists for calling statfs().
- char target_fs[strlen(target_filename)+1];
- char* slash = strchr(target_filename+1, '/');
- if (slash != NULL) {
- int count = slash - target_filename;
- strncpy(target_fs, target_filename, count);
- target_fs[count] = '\0';
- } else {
- strcpy(target_fs, target_filename);
- }
-
- do {
- // Is there enough room in the target filesystem to hold the patched
- // file?
-
- if (strncmp(target_filename, "MTD:", 4) == 0 ||
- strncmp(target_filename, "EMMC:", 5) == 0) {
- // If the target is a partition, we're actually going to
- // write the output to /tmp and then copy it to the
- // partition. statfs() always returns 0 blocks free for
- // /tmp, so instead we'll just assume that /tmp has enough
- // space to hold the file.
-
- // We still write the original source to cache, in case
- // the partition write is interrupted.
- if (MakeFreeSpaceOnCache(source_file->size) < 0) {
- printf("not enough free space on /cache\n");
- return 1;
- }
- if (SaveFileContents(CACHE_TEMP_SOURCE, source_file) < 0) {
- printf("failed to back up source file\n");
- return 1;
- }
- made_copy = 1;
- retry = 0;
- } else {
- int enough_space = 0;
- if (retry > 0) {
- size_t free_space = FreeSpaceForFile(target_fs);
- enough_space =
- (free_space > (256 << 10)) && // 256k (two-block) minimum
- (free_space > (target_size * 3 / 2)); // 50% margin of error
- if (!enough_space) {
- printf("target %ld bytes; free space %ld bytes; retry %d; enough %d\n",
- (long)target_size, (long)free_space, retry, enough_space);
- }
- }
-
- if (!enough_space) {
- retry = 0;
- }
-
- if (!enough_space && source_patch_value != NULL) {
- // Using the original source, but not enough free space. First
- // copy the source file to cache, then delete it from the original
- // location.
-
- if (strncmp(source_filename, "MTD:", 4) == 0 ||
- strncmp(source_filename, "EMMC:", 5) == 0) {
- // It's impossible to free space on the target filesystem by
- // deleting the source if the source is a partition. If
- // we're ever in a state where we need to do this, fail.
- printf("not enough free space for target but source "
- "is partition\n");
- return 1;
- }
-
- if (MakeFreeSpaceOnCache(source_file->size) < 0) {
- printf("not enough free space on /cache\n");
- return 1;
- }
-
- if (SaveFileContents(CACHE_TEMP_SOURCE, source_file) < 0) {
- printf("failed to back up source file\n");
- return 1;
- }
- made_copy = 1;
- unlink(source_filename);
-
- size_t free_space = FreeSpaceForFile(target_fs);
- printf("(now %ld bytes free for target) ", (long)free_space);
- }
- }
-
- const Value* patch;
- if (source_patch_value != NULL) {
- source_to_use = source_file;
- patch = source_patch_value;
- } else {
- source_to_use = copy_file;
- patch = copy_patch_value;
- }
-
- if (patch->type != VAL_BLOB) {
- printf("patch is not a blob\n");
- return 1;
- }
-
- SinkFn sink = NULL;
- void* token = NULL;
- output = -1;
- outname = NULL;
- if (strncmp(target_filename, "MTD:", 4) == 0 ||
- strncmp(target_filename, "EMMC:", 5) == 0) {
- // We store the decoded output in memory.
- msi.buffer = malloc(target_size);
- if (msi.buffer == NULL) {
- printf("failed to alloc %ld bytes for output\n",
- (long)target_size);
- return 1;
- }
- msi.pos = 0;
- msi.size = target_size;
- sink = MemorySink;
- token = &msi;
- } else {
- // We write the decoded output to "<tgt-file>.patch".
- outname = (char*)malloc(strlen(target_filename) + 10);
- strcpy(outname, target_filename);
- strcat(outname, ".patch");
-
- output = open(outname, O_WRONLY | O_CREAT | O_TRUNC | O_SYNC,
- S_IRUSR | S_IWUSR);
- if (output < 0) {
- printf("failed to open output file %s: %s\n",
- outname, strerror(errno));
- return 1;
- }
- sink = FileSink;
- token = &output;
- }
-
- char* header = patch->data;
- ssize_t header_bytes_read = patch->size;
-
- SHA_init(&ctx);
-
- int result;
-
- if (header_bytes_read >= 8 &&
- memcmp(header, "BSDIFF40", 8) == 0) {
- result = ApplyBSDiffPatch(source_to_use->data, source_to_use->size,
- patch, 0, sink, token, &ctx);
- } else if (header_bytes_read >= 8 &&
- memcmp(header, "IMGDIFF2", 8) == 0) {
- result = ApplyImagePatch(source_to_use->data, source_to_use->size,
- patch, sink, token, &ctx, bonus_data);
- } else {
- printf("Unknown patch file format\n");
- return 1;
- }
-
- if (output >= 0) {
- if (fsync(output) != 0) {
- printf("failed to fsync file \"%s\" (%s)\n", outname, strerror(errno));
- result = 1;
- }
- if (close(output) != 0) {
- printf("failed to close file \"%s\" (%s)\n", outname, strerror(errno));
- result = 1;
- }
- }
-
- if (result != 0) {
- if (retry == 0) {
- printf("applying patch failed\n");
- return result != 0;
- } else {
- printf("applying patch failed; retrying\n");
- }
- if (outname != NULL) {
- unlink(outname);
- }
- } else {
- // succeeded; no need to retry
- break;
- }
- } while (retry-- > 0);
-
- const uint8_t* current_target_sha1 = SHA_final(&ctx);
- if (memcmp(current_target_sha1, target_sha1, SHA_DIGEST_SIZE) != 0) {
- printf("patch did not produce expected sha1\n");
- return 1;
- } else {
- printf("now ");
- print_short_sha1(target_sha1);
- putchar('\n');
- }
-
- if (output < 0) {
- // Copy the temp file to the partition.
- if (WriteToPartition(msi.buffer, msi.pos, target_filename) != 0) {
- printf("write of patched data to %s failed\n", target_filename);
- return 1;
- }
- free(msi.buffer);
- } else {
- // Give the .patch file the same owner, group, and mode of the
- // original source file.
- if (chmod(outname, source_to_use->st.st_mode) != 0) {
- printf("chmod of \"%s\" failed: %s\n", outname, strerror(errno));
- return 1;
- }
- if (chown(outname, source_to_use->st.st_uid,
- source_to_use->st.st_gid) != 0) {
- printf("chown of \"%s\" failed: %s\n", outname, strerror(errno));
- return 1;
- }
-
- // Finally, rename the .patch file to replace the target file.
- if (rename(outname, target_filename) != 0) {
- printf("rename of .patch to \"%s\" failed: %s\n",
- target_filename, strerror(errno));
- return 1;
- }
- }
-
- // If this run of applypatch created the copy, and we're here, we
- // can delete it.
- if (made_copy) unlink(CACHE_TEMP_SOURCE);
-
- // Success!
- return 0;
-}
diff --git a/applypatch/applypatch.cpp b/applypatch/applypatch.cpp
new file mode 100644
index 0000000..7985fc0
--- /dev/null
+++ b/applypatch/applypatch.cpp
@@ -0,0 +1,994 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <libgen.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <memory>
+#include <string>
+
+#include <android-base/strings.h>
+
+#include "openssl/sha.h"
+#include "applypatch.h"
+#include "mtdutils/mtdutils.h"
+#include "edify/expr.h"
+#include "ota_io.h"
+#include "print_sha1.h"
+
+static int LoadPartitionContents(const char* filename, FileContents* file);
+static ssize_t FileSink(const unsigned char* data, ssize_t len, void* token);
+static int GenerateTarget(FileContents* source_file,
+ const Value* source_patch_value,
+ FileContents* copy_file,
+ const Value* copy_patch_value,
+ const char* source_filename,
+ const char* target_filename,
+ const uint8_t target_sha1[SHA_DIGEST_LENGTH],
+ size_t target_size,
+ const Value* bonus_data);
+
+static bool mtd_partitions_scanned = false;
+
+// Read a file into memory; store the file contents and associated
+// metadata in *file.
+//
+// Return 0 on success.
+int LoadFileContents(const char* filename, FileContents* file) {
+ // A special 'filename' beginning with "MTD:" or "EMMC:" means to
+ // load the contents of a partition.
+ if (strncmp(filename, "MTD:", 4) == 0 ||
+ strncmp(filename, "EMMC:", 5) == 0) {
+ return LoadPartitionContents(filename, file);
+ }
+
+ if (stat(filename, &file->st) != 0) {
+ printf("failed to stat \"%s\": %s\n", filename, strerror(errno));
+ return -1;
+ }
+
+ std::vector<unsigned char> data(file->st.st_size);
+ FILE* f = ota_fopen(filename, "rb");
+ if (f == NULL) {
+ printf("failed to open \"%s\": %s\n", filename, strerror(errno));
+ return -1;
+ }
+
+ size_t bytes_read = ota_fread(data.data(), 1, data.size(), f);
+ if (bytes_read != data.size()) {
+ printf("short read of \"%s\" (%zu bytes of %zd)\n", filename, bytes_read, data.size());
+ ota_fclose(f);
+ return -1;
+ }
+ ota_fclose(f);
+ file->data = std::move(data);
+ SHA1(file->data.data(), file->data.size(), file->sha1);
+ return 0;
+}
+
+// Load the contents of an MTD or EMMC partition into the provided
+// FileContents. filename should be a string of the form
+// "MTD:<partition_name>:<size_1>:<sha1_1>:<size_2>:<sha1_2>:..." (or
+// "EMMC:<partition_device>:..."). The smallest size_n bytes for
+// which that prefix of the partition contents has the corresponding
+// sha1 hash will be loaded. It is acceptable for a size value to be
+// repeated with different sha1s. Will return 0 on success.
+//
+// This complexity is needed because if an OTA installation is
+// interrupted, the partition might contain either the source or the
+// target data, which might be of different lengths. We need to know
+// the length in order to read from a partition (there is no
+// "end-of-file" marker), so the caller must specify the possible
+// lengths and the hash of the data, and we'll do the load expecting
+// to find one of those hashes.
+enum PartitionType { MTD, EMMC };
+
+static int LoadPartitionContents(const char* filename, FileContents* file) {
+ std::string copy(filename);
+ std::vector<std::string> pieces = android::base::Split(copy, ":");
+ if (pieces.size() < 4 || pieces.size() % 2 != 0) {
+ printf("LoadPartitionContents called with bad filename (%s)\n", filename);
+ return -1;
+ }
+
+ enum PartitionType type;
+ if (pieces[0] == "MTD") {
+ type = MTD;
+ } else if (pieces[0] == "EMMC") {
+ type = EMMC;
+ } else {
+ printf("LoadPartitionContents called with bad filename (%s)\n", filename);
+ return -1;
+ }
+ const char* partition = pieces[1].c_str();
+
+ size_t pairs = (pieces.size() - 2) / 2; // # of (size, sha1) pairs in filename
+ std::vector<size_t> index(pairs);
+ std::vector<size_t> size(pairs);
+ std::vector<std::string> sha1sum(pairs);
+
+ for (size_t i = 0; i < pairs; ++i) {
+ size[i] = strtol(pieces[i*2+2].c_str(), NULL, 10);
+ if (size[i] == 0) {
+ printf("LoadPartitionContents called with bad size (%s)\n", filename);
+ return -1;
+ }
+ sha1sum[i] = pieces[i*2+3].c_str();
+ index[i] = i;
+ }
+
+ // Sort the index[] array so it indexes the pairs in order of increasing size.
+ sort(index.begin(), index.end(),
+ [&](const size_t& i, const size_t& j) {
+ return (size[i] < size[j]);
+ }
+ );
+
+ MtdReadContext* ctx = NULL;
+ FILE* dev = NULL;
+
+ switch (type) {
+ case MTD: {
+ if (!mtd_partitions_scanned) {
+ mtd_scan_partitions();
+ mtd_partitions_scanned = true;
+ }
+
+ const MtdPartition* mtd = mtd_find_partition_by_name(partition);
+ if (mtd == NULL) {
+ printf("mtd partition \"%s\" not found (loading %s)\n", partition, filename);
+ return -1;
+ }
+
+ ctx = mtd_read_partition(mtd);
+ if (ctx == NULL) {
+ printf("failed to initialize read of mtd partition \"%s\"\n", partition);
+ return -1;
+ }
+ break;
+ }
+
+ case EMMC:
+ dev = ota_fopen(partition, "rb");
+ if (dev == NULL) {
+ printf("failed to open emmc partition \"%s\": %s\n", partition, strerror(errno));
+ return -1;
+ }
+ }
+
+ SHA_CTX sha_ctx;
+ SHA1_Init(&sha_ctx);
+ uint8_t parsed_sha[SHA_DIGEST_LENGTH];
+
+ // Allocate enough memory to hold the largest size.
+ std::vector<unsigned char> data(size[index[pairs-1]]);
+ char* p = reinterpret_cast<char*>(data.data());
+ size_t data_size = 0; // # bytes read so far
+ bool found = false;
+
+ for (size_t i = 0; i < pairs; ++i) {
+ // Read enough additional bytes to get us up to the next size. (Again,
+ // we're trying the possibilities in order of increasing size).
+ size_t next = size[index[i]] - data_size;
+ if (next > 0) {
+ size_t read = 0;
+ switch (type) {
+ case MTD:
+ read = mtd_read_data(ctx, p, next);
+ break;
+
+ case EMMC:
+ read = ota_fread(p, 1, next, dev);
+ break;
+ }
+ if (next != read) {
+ printf("short read (%zu bytes of %zu) for partition \"%s\"\n",
+ read, next, partition);
+ return -1;
+ }
+ SHA1_Update(&sha_ctx, p, read);
+ data_size += read;
+ p += read;
+ }
+
+ // Duplicate the SHA context and finalize the duplicate so we can
+ // check it against this pair's expected hash.
+ SHA_CTX temp_ctx;
+ memcpy(&temp_ctx, &sha_ctx, sizeof(SHA_CTX));
+ uint8_t sha_so_far[SHA_DIGEST_LENGTH];
+ SHA1_Final(sha_so_far, &temp_ctx);
+
+ if (ParseSha1(sha1sum[index[i]].c_str(), parsed_sha) != 0) {
+ printf("failed to parse sha1 %s in %s\n", sha1sum[index[i]].c_str(), filename);
+ return -1;
+ }
+
+ if (memcmp(sha_so_far, parsed_sha, SHA_DIGEST_LENGTH) == 0) {
+ // we have a match. stop reading the partition; we'll return
+ // the data we've read so far.
+ printf("partition read matched size %zu sha %s\n",
+ size[index[i]], sha1sum[index[i]].c_str());
+ found = true;
+ break;
+ }
+ }
+
+ switch (type) {
+ case MTD:
+ mtd_read_close(ctx);
+ break;
+
+ case EMMC:
+ ota_fclose(dev);
+ break;
+ }
+
+
+ if (!found) {
+ // Ran off the end of the list of (size,sha1) pairs without finding a match.
+ printf("contents of partition \"%s\" didn't match %s\n", partition, filename);
+ return -1;
+ }
+
+ SHA1_Final(file->sha1, &sha_ctx);
+
+ data.resize(data_size);
+ file->data = std::move(data);
+ // Fake some stat() info.
+ file->st.st_mode = 0644;
+ file->st.st_uid = 0;
+ file->st.st_gid = 0;
+
+ return 0;
+}
+
+
+// Save the contents of the given FileContents object under the given
+// filename. Return 0 on success.
+int SaveFileContents(const char* filename, const FileContents* file) {
+ int fd = ota_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_SYNC, S_IRUSR | S_IWUSR);
+ if (fd < 0) {
+ printf("failed to open \"%s\" for write: %s\n", filename, strerror(errno));
+ return -1;
+ }
+
+ ssize_t bytes_written = FileSink(file->data.data(), file->data.size(), &fd);
+ if (bytes_written != static_cast<ssize_t>(file->data.size())) {
+ printf("short write of \"%s\" (%zd bytes of %zu) (%s)\n",
+ filename, bytes_written, file->data.size(), strerror(errno));
+ ota_close(fd);
+ return -1;
+ }
+ if (ota_fsync(fd) != 0) {
+ printf("fsync of \"%s\" failed: %s\n", filename, strerror(errno));
+ return -1;
+ }
+ if (ota_close(fd) != 0) {
+ printf("close of \"%s\" failed: %s\n", filename, strerror(errno));
+ return -1;
+ }
+
+ if (chmod(filename, file->st.st_mode) != 0) {
+ printf("chmod of \"%s\" failed: %s\n", filename, strerror(errno));
+ return -1;
+ }
+ if (chown(filename, file->st.st_uid, file->st.st_gid) != 0) {
+ printf("chown of \"%s\" failed: %s\n", filename, strerror(errno));
+ return -1;
+ }
+
+ return 0;
+}
+
+// Write a memory buffer to 'target' partition, a string of the form
+// "MTD:<partition>[:...]" or "EMMC:<partition_device>[:...]". The target name
+// might contain multiple colons, but WriteToPartition() only uses the first
+// two and ignores the rest. Return 0 on success.
+int WriteToPartition(const unsigned char* data, size_t len, const char* target) {
+ std::string copy(target);
+ std::vector<std::string> pieces = android::base::Split(copy, ":");
+
+ if (pieces.size() < 2) {
+ printf("WriteToPartition called with bad target (%s)\n", target);
+ return -1;
+ }
+
+ enum PartitionType type;
+ if (pieces[0] == "MTD") {
+ type = MTD;
+ } else if (pieces[0] == "EMMC") {
+ type = EMMC;
+ } else {
+ printf("WriteToPartition called with bad target (%s)\n", target);
+ return -1;
+ }
+ const char* partition = pieces[1].c_str();
+
+ switch (type) {
+ case MTD: {
+ if (!mtd_partitions_scanned) {
+ mtd_scan_partitions();
+ mtd_partitions_scanned = true;
+ }
+
+ const MtdPartition* mtd = mtd_find_partition_by_name(partition);
+ if (mtd == NULL) {
+ printf("mtd partition \"%s\" not found for writing\n", partition);
+ return -1;
+ }
+
+ MtdWriteContext* ctx = mtd_write_partition(mtd);
+ if (ctx == NULL) {
+ printf("failed to init mtd partition \"%s\" for writing\n", partition);
+ return -1;
+ }
+
+ size_t written = mtd_write_data(ctx, reinterpret_cast<const char*>(data), len);
+ if (written != len) {
+ printf("only wrote %zu of %zu bytes to MTD %s\n", written, len, partition);
+ mtd_write_close(ctx);
+ return -1;
+ }
+
+ if (mtd_erase_blocks(ctx, -1) < 0) {
+ printf("error finishing mtd write of %s\n", partition);
+ mtd_write_close(ctx);
+ return -1;
+ }
+
+ if (mtd_write_close(ctx)) {
+ printf("error closing mtd write of %s\n", partition);
+ return -1;
+ }
+ break;
+ }
+
+ case EMMC: {
+ size_t start = 0;
+ bool success = false;
+ int fd = ota_open(partition, O_RDWR | O_SYNC);
+ if (fd < 0) {
+ printf("failed to open %s: %s\n", partition, strerror(errno));
+ return -1;
+ }
+
+ for (size_t attempt = 0; attempt < 2; ++attempt) {
+ if (TEMP_FAILURE_RETRY(lseek(fd, start, SEEK_SET)) == -1) {
+ printf("failed seek on %s: %s\n", partition, strerror(errno));
+ return -1;
+ }
+ while (start < len) {
+ size_t to_write = len - start;
+ if (to_write > 1<<20) to_write = 1<<20;
+
+ ssize_t written = TEMP_FAILURE_RETRY(ota_write(fd, data+start, to_write));
+ if (written == -1) {
+ printf("failed write writing to %s: %s\n", partition, strerror(errno));
+ return -1;
+ }
+ start += written;
+ }
+ if (ota_fsync(fd) != 0) {
+ printf("failed to sync to %s (%s)\n", partition, strerror(errno));
+ return -1;
+ }
+ if (ota_close(fd) != 0) {
+ printf("failed to close %s (%s)\n", partition, strerror(errno));
+ return -1;
+ }
+ fd = ota_open(partition, O_RDONLY);
+ if (fd < 0) {
+ printf("failed to reopen %s for verify (%s)\n", partition, strerror(errno));
+ return -1;
+ }
+
+ // Drop caches so our subsequent verification read
+ // won't just be reading the cache.
+ sync();
+ int dc = ota_open("/proc/sys/vm/drop_caches", O_WRONLY);
+ if (TEMP_FAILURE_RETRY(ota_write(dc, "3\n", 2)) == -1) {
+ printf("write to /proc/sys/vm/drop_caches failed: %s\n", strerror(errno));
+ } else {
+ printf(" caches dropped\n");
+ }
+ ota_close(dc);
+ sleep(1);
+
+ // verify
+ if (TEMP_FAILURE_RETRY(lseek(fd, 0, SEEK_SET)) == -1) {
+ printf("failed to seek back to beginning of %s: %s\n",
+ partition, strerror(errno));
+ return -1;
+ }
+ unsigned char buffer[4096];
+ start = len;
+ for (size_t p = 0; p < len; p += sizeof(buffer)) {
+ size_t to_read = len - p;
+ if (to_read > sizeof(buffer)) {
+ to_read = sizeof(buffer);
+ }
+
+ size_t so_far = 0;
+ while (so_far < to_read) {
+ ssize_t read_count =
+ TEMP_FAILURE_RETRY(ota_read(fd, buffer+so_far, to_read-so_far));
+ if (read_count == -1) {
+ printf("verify read error %s at %zu: %s\n",
+ partition, p, strerror(errno));
+ return -1;
+ }
+ if (static_cast<size_t>(read_count) < to_read) {
+ printf("short verify read %s at %zu: %zd %zu %s\n",
+ partition, p, read_count, to_read, strerror(errno));
+ }
+ so_far += read_count;
+ }
+
+ if (memcmp(buffer, data+p, to_read) != 0) {
+ printf("verification failed starting at %zu\n", p);
+ start = p;
+ break;
+ }
+ }
+
+ if (start == len) {
+ printf("verification read succeeded (attempt %zu)\n", attempt+1);
+ success = true;
+ break;
+ }
+ }
+
+ if (!success) {
+ printf("failed to verify after all attempts\n");
+ return -1;
+ }
+
+ if (ota_close(fd) != 0) {
+ printf("error closing %s (%s)\n", partition, strerror(errno));
+ return -1;
+ }
+ sync();
+ break;
+ }
+ }
+
+ return 0;
+}
+
+
+// Take a string 'str' of 40 hex digits and parse it into the 20
+// byte array 'digest'. 'str' may contain only the digest or be of
+// the form "<digest>:<anything>". Return 0 on success, -1 on any
+// error.
+int ParseSha1(const char* str, uint8_t* digest) {
+ const char* ps = str;
+ uint8_t* pd = digest;
+ for (int i = 0; i < SHA_DIGEST_LENGTH * 2; ++i, ++ps) {
+ int digit;
+ if (*ps >= '0' && *ps <= '9') {
+ digit = *ps - '0';
+ } else if (*ps >= 'a' && *ps <= 'f') {
+ digit = *ps - 'a' + 10;
+ } else if (*ps >= 'A' && *ps <= 'F') {
+ digit = *ps - 'A' + 10;
+ } else {
+ return -1;
+ }
+ if (i % 2 == 0) {
+ *pd = digit << 4;
+ } else {
+ *pd |= digit;
+ ++pd;
+ }
+ }
+ if (*ps != '\0') return -1;
+ return 0;
+}
+
+// Search an array of sha1 strings for one matching the given sha1.
+// Return the index of the match on success, or -1 if no match is
+// found.
+int FindMatchingPatch(uint8_t* sha1, char* const * const patch_sha1_str,
+ int num_patches) {
+ uint8_t patch_sha1[SHA_DIGEST_LENGTH];
+ for (int i = 0; i < num_patches; ++i) {
+ if (ParseSha1(patch_sha1_str[i], patch_sha1) == 0 &&
+ memcmp(patch_sha1, sha1, SHA_DIGEST_LENGTH) == 0) {
+ return i;
+ }
+ }
+ return -1;
+}
+
+// Returns 0 if the contents of the file (argv[2]) or the cached file
+// match any of the sha1's on the command line (argv[3:]). Returns
+// nonzero otherwise.
+int applypatch_check(const char* filename, int num_patches,
+ char** const patch_sha1_str) {
+ FileContents file;
+
+ // It's okay to specify no sha1s; the check will pass if the
+ // LoadFileContents is successful. (Useful for reading
+ // partitions, where the filename encodes the sha1s; no need to
+ // check them twice.)
+ if (LoadFileContents(filename, &file) != 0 ||
+ (num_patches > 0 &&
+ FindMatchingPatch(file.sha1, patch_sha1_str, num_patches) < 0)) {
+ printf("file \"%s\" doesn't have any of expected "
+ "sha1 sums; checking cache\n", filename);
+
+ // If the source file is missing or corrupted, it might be because
+ // we were killed in the middle of patching it. A copy of it
+ // should have been made in CACHE_TEMP_SOURCE. If that file
+ // exists and matches the sha1 we're looking for, the check still
+ // passes.
+
+ if (LoadFileContents(CACHE_TEMP_SOURCE, &file) != 0) {
+ printf("failed to load cache file\n");
+ return 1;
+ }
+
+ if (FindMatchingPatch(file.sha1, patch_sha1_str, num_patches) < 0) {
+ printf("cache bits don't match any sha1 for \"%s\"\n", filename);
+ return 1;
+ }
+ }
+ return 0;
+}
+
+int ShowLicenses() {
+ ShowBSDiffLicense();
+ return 0;
+}
+
+ssize_t FileSink(const unsigned char* data, ssize_t len, void* token) {
+ int fd = *static_cast<int*>(token);
+ ssize_t done = 0;
+ ssize_t wrote;
+ while (done < len) {
+ wrote = TEMP_FAILURE_RETRY(ota_write(fd, data+done, len-done));
+ if (wrote == -1) {
+ printf("error writing %zd bytes: %s\n", (len-done), strerror(errno));
+ return done;
+ }
+ done += wrote;
+ }
+ return done;
+}
+
+ssize_t MemorySink(const unsigned char* data, ssize_t len, void* token) {
+ std::string* s = static_cast<std::string*>(token);
+ s->append(reinterpret_cast<const char*>(data), len);
+ return len;
+}
+
+// Return the amount of free space (in bytes) on the filesystem
+// containing filename. filename must exist. Return -1 on error.
+size_t FreeSpaceForFile(const char* filename) {
+ struct statfs sf;
+ if (statfs(filename, &sf) != 0) {
+ printf("failed to statfs %s: %s\n", filename, strerror(errno));
+ return -1;
+ }
+ return sf.f_bsize * sf.f_bavail;
+}
+
+int CacheSizeCheck(size_t bytes) {
+ if (MakeFreeSpaceOnCache(bytes) < 0) {
+ printf("unable to make %ld bytes available on /cache\n", (long)bytes);
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+// This function applies binary patches to files in a way that is safe
+// (the original file is not touched until we have the desired
+// replacement for it) and idempotent (it's okay to run this program
+// multiple times).
+//
+// - if the sha1 hash of <target_filename> is <target_sha1_string>,
+// does nothing and exits successfully.
+//
+// - otherwise, if the sha1 hash of <source_filename> is one of the
+// entries in <patch_sha1_str>, the corresponding patch from
+// <patch_data> (which must be a VAL_BLOB) is applied to produce a
+// new file (the type of patch is automatically detected from the
+// blob data). If that new file has sha1 hash <target_sha1_str>,
+// moves it to replace <target_filename>, and exits successfully.
+// Note that if <source_filename> and <target_filename> are not the
+// same, <source_filename> is NOT deleted on success.
+// <target_filename> may be the string "-" to mean "the same as
+// source_filename".
+//
+// - otherwise, or if any error is encountered, exits with non-zero
+// status.
+//
+// <source_filename> may refer to a partition to read the source data.
+// See the comments for the LoadPartitionContents() function above
+// for the format of such a filename.
+
+int applypatch(const char* source_filename,
+ const char* target_filename,
+ const char* target_sha1_str,
+ size_t target_size,
+ int num_patches,
+ char** const patch_sha1_str,
+ Value** patch_data,
+ Value* bonus_data) {
+ printf("patch %s: ", source_filename);
+
+ if (target_filename[0] == '-' && target_filename[1] == '\0') {
+ target_filename = source_filename;
+ }
+
+ uint8_t target_sha1[SHA_DIGEST_LENGTH];
+ if (ParseSha1(target_sha1_str, target_sha1) != 0) {
+ printf("failed to parse tgt-sha1 \"%s\"\n", target_sha1_str);
+ return 1;
+ }
+
+ FileContents copy_file;
+ FileContents source_file;
+ const Value* source_patch_value = NULL;
+ const Value* copy_patch_value = NULL;
+
+ // We try to load the target file into the source_file object.
+ if (LoadFileContents(target_filename, &source_file) == 0) {
+ if (memcmp(source_file.sha1, target_sha1, SHA_DIGEST_LENGTH) == 0) {
+ // The early-exit case: the patch was already applied, this file
+ // has the desired hash, nothing for us to do.
+ printf("already %s\n", short_sha1(target_sha1).c_str());
+ return 0;
+ }
+ }
+
+ if (source_file.data.empty() ||
+ (target_filename != source_filename &&
+ strcmp(target_filename, source_filename) != 0)) {
+ // Need to load the source file: either we failed to load the
+ // target file, or we did but it's different from the source file.
+ source_file.data.clear();
+ LoadFileContents(source_filename, &source_file);
+ }
+
+ if (!source_file.data.empty()) {
+ int to_use = FindMatchingPatch(source_file.sha1, patch_sha1_str, num_patches);
+ if (to_use >= 0) {
+ source_patch_value = patch_data[to_use];
+ }
+ }
+
+ if (source_patch_value == NULL) {
+ source_file.data.clear();
+ printf("source file is bad; trying copy\n");
+
+ if (LoadFileContents(CACHE_TEMP_SOURCE, ©_file) < 0) {
+ // fail.
+ printf("failed to read copy file\n");
+ return 1;
+ }
+
+ int to_use = FindMatchingPatch(copy_file.sha1, patch_sha1_str, num_patches);
+ if (to_use >= 0) {
+ copy_patch_value = patch_data[to_use];
+ }
+
+ if (copy_patch_value == NULL) {
+ // fail.
+ printf("copy file doesn't match source SHA-1s either\n");
+ return 1;
+ }
+ }
+
+ return GenerateTarget(&source_file, source_patch_value,
+ ©_file, copy_patch_value,
+ source_filename, target_filename,
+ target_sha1, target_size, bonus_data);
+}
+
+/*
+ * This function flashes a given image to the target partition. It verifies
+ * the target cheksum first, and will return if target has the desired hash.
+ * It checks the checksum of the given source image before flashing, and
+ * verifies the target partition afterwards. The function is idempotent.
+ * Returns zero on success.
+ */
+int applypatch_flash(const char* source_filename, const char* target_filename,
+ const char* target_sha1_str, size_t target_size) {
+ printf("flash %s: ", target_filename);
+
+ uint8_t target_sha1[SHA_DIGEST_LENGTH];
+ if (ParseSha1(target_sha1_str, target_sha1) != 0) {
+ printf("failed to parse tgt-sha1 \"%s\"\n", target_sha1_str);
+ return 1;
+ }
+
+ FileContents source_file;
+ std::string target_str(target_filename);
+
+ std::vector<std::string> pieces = android::base::Split(target_str, ":");
+ if (pieces.size() != 2 || (pieces[0] != "MTD" && pieces[0] != "EMMC")) {
+ printf("invalid target name \"%s\"", target_filename);
+ return 1;
+ }
+
+ // Load the target into the source_file object to see if already applied.
+ pieces.push_back(std::to_string(target_size));
+ pieces.push_back(target_sha1_str);
+ std::string fullname = android::base::Join(pieces, ':');
+ if (LoadPartitionContents(fullname.c_str(), &source_file) == 0 &&
+ memcmp(source_file.sha1, target_sha1, SHA_DIGEST_LENGTH) == 0) {
+ // The early-exit case: the image was already applied, this partition
+ // has the desired hash, nothing for us to do.
+ printf("already %s\n", short_sha1(target_sha1).c_str());
+ return 0;
+ }
+
+ if (LoadFileContents(source_filename, &source_file) == 0) {
+ if (memcmp(source_file.sha1, target_sha1, SHA_DIGEST_LENGTH) != 0) {
+ // The source doesn't have desired checksum.
+ printf("source \"%s\" doesn't have expected sha1 sum\n", source_filename);
+ printf("expected: %s, found: %s\n", short_sha1(target_sha1).c_str(),
+ short_sha1(source_file.sha1).c_str());
+ return 1;
+ }
+ }
+
+ if (WriteToPartition(source_file.data.data(), target_size, target_filename) != 0) {
+ printf("write of copied data to %s failed\n", target_filename);
+ return 1;
+ }
+ return 0;
+}
+
+static int GenerateTarget(FileContents* source_file,
+ const Value* source_patch_value,
+ FileContents* copy_file,
+ const Value* copy_patch_value,
+ const char* source_filename,
+ const char* target_filename,
+ const uint8_t target_sha1[SHA_DIGEST_LENGTH],
+ size_t target_size,
+ const Value* bonus_data) {
+ int retry = 1;
+ SHA_CTX ctx;
+ std::string memory_sink_str;
+ FileContents* source_to_use;
+ int made_copy = 0;
+
+ bool target_is_partition = (strncmp(target_filename, "MTD:", 4) == 0 ||
+ strncmp(target_filename, "EMMC:", 5) == 0);
+ const std::string tmp_target_filename = std::string(target_filename) + ".patch";
+
+ // assume that target_filename (eg "/system/app/Foo.apk") is located
+ // on the same filesystem as its top-level directory ("/system").
+ // We need something that exists for calling statfs().
+ std::string target_fs = target_filename;
+ auto slash_pos = target_fs.find('/', 1);
+ if (slash_pos != std::string::npos) {
+ target_fs.resize(slash_pos);
+ }
+
+ const Value* patch;
+ if (source_patch_value != NULL) {
+ source_to_use = source_file;
+ patch = source_patch_value;
+ } else {
+ source_to_use = copy_file;
+ patch = copy_patch_value;
+ }
+ if (patch->type != VAL_BLOB) {
+ printf("patch is not a blob\n");
+ return 1;
+ }
+ char* header = patch->data;
+ ssize_t header_bytes_read = patch->size;
+ bool use_bsdiff = false;
+ if (header_bytes_read >= 8 && memcmp(header, "BSDIFF40", 8) == 0) {
+ use_bsdiff = true;
+ } else if (header_bytes_read >= 8 && memcmp(header, "IMGDIFF2", 8) == 0) {
+ use_bsdiff = false;
+ } else {
+ printf("Unknown patch file format\n");
+ return 1;
+ }
+
+ do {
+ // Is there enough room in the target filesystem to hold the patched
+ // file?
+
+ if (target_is_partition) {
+ // If the target is a partition, we're actually going to
+ // write the output to /tmp and then copy it to the
+ // partition. statfs() always returns 0 blocks free for
+ // /tmp, so instead we'll just assume that /tmp has enough
+ // space to hold the file.
+
+ // We still write the original source to cache, in case
+ // the partition write is interrupted.
+ if (MakeFreeSpaceOnCache(source_file->data.size()) < 0) {
+ printf("not enough free space on /cache\n");
+ return 1;
+ }
+ if (SaveFileContents(CACHE_TEMP_SOURCE, source_file) < 0) {
+ printf("failed to back up source file\n");
+ return 1;
+ }
+ made_copy = 1;
+ retry = 0;
+ } else {
+ int enough_space = 0;
+ if (retry > 0) {
+ size_t free_space = FreeSpaceForFile(target_fs.c_str());
+ enough_space =
+ (free_space > (256 << 10)) && // 256k (two-block) minimum
+ (free_space > (target_size * 3 / 2)); // 50% margin of error
+ if (!enough_space) {
+ printf("target %zu bytes; free space %zu bytes; retry %d; enough %d\n",
+ target_size, free_space, retry, enough_space);
+ }
+ }
+
+ if (!enough_space) {
+ retry = 0;
+ }
+
+ if (!enough_space && source_patch_value != NULL) {
+ // Using the original source, but not enough free space. First
+ // copy the source file to cache, then delete it from the original
+ // location.
+
+ if (strncmp(source_filename, "MTD:", 4) == 0 ||
+ strncmp(source_filename, "EMMC:", 5) == 0) {
+ // It's impossible to free space on the target filesystem by
+ // deleting the source if the source is a partition. If
+ // we're ever in a state where we need to do this, fail.
+ printf("not enough free space for target but source is partition\n");
+ return 1;
+ }
+
+ if (MakeFreeSpaceOnCache(source_file->data.size()) < 0) {
+ printf("not enough free space on /cache\n");
+ return 1;
+ }
+
+ if (SaveFileContents(CACHE_TEMP_SOURCE, source_file) < 0) {
+ printf("failed to back up source file\n");
+ return 1;
+ }
+ made_copy = 1;
+ unlink(source_filename);
+
+ size_t free_space = FreeSpaceForFile(target_fs.c_str());
+ printf("(now %zu bytes free for target) ", free_space);
+ }
+ }
+
+
+ SinkFn sink = NULL;
+ void* token = NULL;
+ int output_fd = -1;
+ if (target_is_partition) {
+ // We store the decoded output in memory.
+ sink = MemorySink;
+ token = &memory_sink_str;
+ } else {
+ // We write the decoded output to "<tgt-file>.patch".
+ output_fd = ota_open(tmp_target_filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_SYNC,
+ S_IRUSR | S_IWUSR);
+ if (output_fd < 0) {
+ printf("failed to open output file %s: %s\n", tmp_target_filename.c_str(),
+ strerror(errno));
+ return 1;
+ }
+ sink = FileSink;
+ token = &output_fd;
+ }
+
+
+ SHA1_Init(&ctx);
+
+ int result;
+ if (use_bsdiff) {
+ result = ApplyBSDiffPatch(source_to_use->data.data(), source_to_use->data.size(),
+ patch, 0, sink, token, &ctx);
+ } else {
+ result = ApplyImagePatch(source_to_use->data.data(), source_to_use->data.size(),
+ patch, sink, token, &ctx, bonus_data);
+ }
+
+ if (!target_is_partition) {
+ if (ota_fsync(output_fd) != 0) {
+ printf("failed to fsync file \"%s\" (%s)\n", tmp_target_filename.c_str(),
+ strerror(errno));
+ result = 1;
+ }
+ if (ota_close(output_fd) != 0) {
+ printf("failed to close file \"%s\" (%s)\n", tmp_target_filename.c_str(),
+ strerror(errno));
+ result = 1;
+ }
+ }
+
+ if (result != 0) {
+ if (retry == 0) {
+ printf("applying patch failed\n");
+ return result != 0;
+ } else {
+ printf("applying patch failed; retrying\n");
+ }
+ if (!target_is_partition) {
+ unlink(tmp_target_filename.c_str());
+ }
+ } else {
+ // succeeded; no need to retry
+ break;
+ }
+ } while (retry-- > 0);
+
+ uint8_t current_target_sha1[SHA_DIGEST_LENGTH];
+ SHA1_Final(current_target_sha1, &ctx);
+ if (memcmp(current_target_sha1, target_sha1, SHA_DIGEST_LENGTH) != 0) {
+ printf("patch did not produce expected sha1\n");
+ return 1;
+ } else {
+ printf("now %s\n", short_sha1(target_sha1).c_str());
+ }
+
+ if (target_is_partition) {
+ // Copy the temp file to the partition.
+ if (WriteToPartition(reinterpret_cast<const unsigned char*>(memory_sink_str.c_str()),
+ memory_sink_str.size(), target_filename) != 0) {
+ printf("write of patched data to %s failed\n", target_filename);
+ return 1;
+ }
+ } else {
+ // Give the .patch file the same owner, group, and mode of the
+ // original source file.
+ if (chmod(tmp_target_filename.c_str(), source_to_use->st.st_mode) != 0) {
+ printf("chmod of \"%s\" failed: %s\n", tmp_target_filename.c_str(), strerror(errno));
+ return 1;
+ }
+ if (chown(tmp_target_filename.c_str(), source_to_use->st.st_uid, source_to_use->st.st_gid) != 0) {
+ printf("chown of \"%s\" failed: %s\n", tmp_target_filename.c_str(), strerror(errno));
+ return 1;
+ }
+
+ // Finally, rename the .patch file to replace the target file.
+ if (rename(tmp_target_filename.c_str(), target_filename) != 0) {
+ printf("rename of .patch to \"%s\" failed: %s\n", target_filename, strerror(errno));
+ return 1;
+ }
+ }
+
+ // If this run of applypatch created the copy, and we're here, we
+ // can delete it.
+ if (made_copy) {
+ unlink(CACHE_TEMP_SOURCE);
+ }
+
+ // Success!
+ return 0;
+}
diff --git a/applypatch/applypatch.h b/applypatch/applypatch.h
index edec848..f392c55 100644
--- a/applypatch/applypatch.h
+++ b/applypatch/applypatch.h
@@ -18,20 +18,17 @@
#define _APPLYPATCH_H
#include <sys/stat.h>
-#include "mincrypt/sha.h"
+
+#include <vector>
+
+#include "openssl/sha.h"
#include "edify/expr.h"
-typedef struct _Patch {
- uint8_t sha1[SHA_DIGEST_SIZE];
- const char* patch_filename;
-} Patch;
-
-typedef struct _FileContents {
- uint8_t sha1[SHA_DIGEST_SIZE];
- unsigned char* data;
- ssize_t size;
+struct FileContents {
+ uint8_t sha1[SHA_DIGEST_LENGTH];
+ std::vector<unsigned char> data;
struct stat st;
-} FileContents;
+};
// When there isn't enough room on the target filesystem to hold the
// patched version of the file, we copy the original here and delete
@@ -48,6 +45,8 @@
int CacheSizeCheck(size_t bytes);
int ParseSha1(const char* str, uint8_t* digest);
+int applypatch_flash(const char* source_filename, const char* target_filename,
+ const char* target_sha1_str, size_t target_size);
int applypatch(const char* source_filename,
const char* target_filename,
const char* target_sha1_str,
@@ -66,22 +65,22 @@
int FindMatchingPatch(uint8_t* sha1, char* const * const patch_sha1_str,
int num_patches);
-// bsdiff.c
+// bsdiff.cpp
void ShowBSDiffLicense();
int ApplyBSDiffPatch(const unsigned char* old_data, ssize_t old_size,
const Value* patch, ssize_t patch_offset,
SinkFn sink, void* token, SHA_CTX* ctx);
int ApplyBSDiffPatchMem(const unsigned char* old_data, ssize_t old_size,
const Value* patch, ssize_t patch_offset,
- unsigned char** new_data, ssize_t* new_size);
+ std::vector<unsigned char>* new_data);
-// imgpatch.c
+// imgpatch.cpp
int ApplyImagePatch(const unsigned char* old_data, ssize_t old_size,
const Value* patch,
SinkFn sink, void* token, SHA_CTX* ctx,
const Value* bonus_data);
-// freecache.c
+// freecache.cpp
int MakeFreeSpaceOnCache(size_t bytes_needed);
#endif
diff --git a/applypatch/bsdiff.c b/applypatch/bsdiff.c
deleted file mode 100644
index b6d342b..0000000
--- a/applypatch/bsdiff.c
+++ /dev/null
@@ -1,410 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Most of this code comes from bsdiff.c from the bsdiff-4.3
- * distribution, which is:
- */
-
-/*-
- * Copyright 2003-2005 Colin Percival
- * All rights reserved
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted providing that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <sys/types.h>
-
-#include <bzlib.h>
-#include <err.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#define MIN(x,y) (((x)<(y)) ? (x) : (y))
-
-static void split(off_t *I,off_t *V,off_t start,off_t len,off_t h)
-{
- off_t i,j,k,x,tmp,jj,kk;
-
- if(len<16) {
- for(k=start;k<start+len;k+=j) {
- j=1;x=V[I[k]+h];
- for(i=1;k+i<start+len;i++) {
- if(V[I[k+i]+h]<x) {
- x=V[I[k+i]+h];
- j=0;
- };
- if(V[I[k+i]+h]==x) {
- tmp=I[k+j];I[k+j]=I[k+i];I[k+i]=tmp;
- j++;
- };
- };
- for(i=0;i<j;i++) V[I[k+i]]=k+j-1;
- if(j==1) I[k]=-1;
- };
- return;
- };
-
- x=V[I[start+len/2]+h];
- jj=0;kk=0;
- for(i=start;i<start+len;i++) {
- if(V[I[i]+h]<x) jj++;
- if(V[I[i]+h]==x) kk++;
- };
- jj+=start;kk+=jj;
-
- i=start;j=0;k=0;
- while(i<jj) {
- if(V[I[i]+h]<x) {
- i++;
- } else if(V[I[i]+h]==x) {
- tmp=I[i];I[i]=I[jj+j];I[jj+j]=tmp;
- j++;
- } else {
- tmp=I[i];I[i]=I[kk+k];I[kk+k]=tmp;
- k++;
- };
- };
-
- while(jj+j<kk) {
- if(V[I[jj+j]+h]==x) {
- j++;
- } else {
- tmp=I[jj+j];I[jj+j]=I[kk+k];I[kk+k]=tmp;
- k++;
- };
- };
-
- if(jj>start) split(I,V,start,jj-start,h);
-
- for(i=0;i<kk-jj;i++) V[I[jj+i]]=kk-1;
- if(jj==kk-1) I[jj]=-1;
-
- if(start+len>kk) split(I,V,kk,start+len-kk,h);
-}
-
-static void qsufsort(off_t *I,off_t *V,u_char *old,off_t oldsize)
-{
- off_t buckets[256];
- off_t i,h,len;
-
- for(i=0;i<256;i++) buckets[i]=0;
- for(i=0;i<oldsize;i++) buckets[old[i]]++;
- for(i=1;i<256;i++) buckets[i]+=buckets[i-1];
- for(i=255;i>0;i--) buckets[i]=buckets[i-1];
- buckets[0]=0;
-
- for(i=0;i<oldsize;i++) I[++buckets[old[i]]]=i;
- I[0]=oldsize;
- for(i=0;i<oldsize;i++) V[i]=buckets[old[i]];
- V[oldsize]=0;
- for(i=1;i<256;i++) if(buckets[i]==buckets[i-1]+1) I[buckets[i]]=-1;
- I[0]=-1;
-
- for(h=1;I[0]!=-(oldsize+1);h+=h) {
- len=0;
- for(i=0;i<oldsize+1;) {
- if(I[i]<0) {
- len-=I[i];
- i-=I[i];
- } else {
- if(len) I[i-len]=-len;
- len=V[I[i]]+1-i;
- split(I,V,i,len,h);
- i+=len;
- len=0;
- };
- };
- if(len) I[i-len]=-len;
- };
-
- for(i=0;i<oldsize+1;i++) I[V[i]]=i;
-}
-
-static off_t matchlen(u_char *old,off_t oldsize,u_char *new,off_t newsize)
-{
- off_t i;
-
- for(i=0;(i<oldsize)&&(i<newsize);i++)
- if(old[i]!=new[i]) break;
-
- return i;
-}
-
-static off_t search(off_t *I,u_char *old,off_t oldsize,
- u_char *new,off_t newsize,off_t st,off_t en,off_t *pos)
-{
- off_t x,y;
-
- if(en-st<2) {
- x=matchlen(old+I[st],oldsize-I[st],new,newsize);
- y=matchlen(old+I[en],oldsize-I[en],new,newsize);
-
- if(x>y) {
- *pos=I[st];
- return x;
- } else {
- *pos=I[en];
- return y;
- }
- };
-
- x=st+(en-st)/2;
- if(memcmp(old+I[x],new,MIN(oldsize-I[x],newsize))<0) {
- return search(I,old,oldsize,new,newsize,x,en,pos);
- } else {
- return search(I,old,oldsize,new,newsize,st,x,pos);
- };
-}
-
-static void offtout(off_t x,u_char *buf)
-{
- off_t y;
-
- if(x<0) y=-x; else y=x;
-
- buf[0]=y%256;y-=buf[0];
- y=y/256;buf[1]=y%256;y-=buf[1];
- y=y/256;buf[2]=y%256;y-=buf[2];
- y=y/256;buf[3]=y%256;y-=buf[3];
- y=y/256;buf[4]=y%256;y-=buf[4];
- y=y/256;buf[5]=y%256;y-=buf[5];
- y=y/256;buf[6]=y%256;y-=buf[6];
- y=y/256;buf[7]=y%256;
-
- if(x<0) buf[7]|=0x80;
-}
-
-// This is main() from bsdiff.c, with the following changes:
-//
-// - old, oldsize, new, newsize are arguments; we don't load this
-// data from files. old and new are owned by the caller; we
-// don't free them at the end.
-//
-// - the "I" block of memory is owned by the caller, who passes a
-// pointer to *I, which can be NULL. This way if we call
-// bsdiff() multiple times with the same 'old' data, we only do
-// the qsufsort() step the first time.
-//
-int bsdiff(u_char* old, off_t oldsize, off_t** IP, u_char* new, off_t newsize,
- const char* patch_filename)
-{
- int fd;
- off_t *I;
- off_t scan,pos,len;
- off_t lastscan,lastpos,lastoffset;
- off_t oldscore,scsc;
- off_t s,Sf,lenf,Sb,lenb;
- off_t overlap,Ss,lens;
- off_t i;
- off_t dblen,eblen;
- u_char *db,*eb;
- u_char buf[8];
- u_char header[32];
- FILE * pf;
- BZFILE * pfbz2;
- int bz2err;
-
- if (*IP == NULL) {
- off_t* V;
- *IP = malloc((oldsize+1) * sizeof(off_t));
- V = malloc((oldsize+1) * sizeof(off_t));
- qsufsort(*IP, V, old, oldsize);
- free(V);
- }
- I = *IP;
-
- if(((db=malloc(newsize+1))==NULL) ||
- ((eb=malloc(newsize+1))==NULL)) err(1,NULL);
- dblen=0;
- eblen=0;
-
- /* Create the patch file */
- if ((pf = fopen(patch_filename, "w")) == NULL)
- err(1, "%s", patch_filename);
-
- /* Header is
- 0 8 "BSDIFF40"
- 8 8 length of bzip2ed ctrl block
- 16 8 length of bzip2ed diff block
- 24 8 length of new file */
- /* File is
- 0 32 Header
- 32 ?? Bzip2ed ctrl block
- ?? ?? Bzip2ed diff block
- ?? ?? Bzip2ed extra block */
- memcpy(header,"BSDIFF40",8);
- offtout(0, header + 8);
- offtout(0, header + 16);
- offtout(newsize, header + 24);
- if (fwrite(header, 32, 1, pf) != 1)
- err(1, "fwrite(%s)", patch_filename);
-
- /* Compute the differences, writing ctrl as we go */
- if ((pfbz2 = BZ2_bzWriteOpen(&bz2err, pf, 9, 0, 0)) == NULL)
- errx(1, "BZ2_bzWriteOpen, bz2err = %d", bz2err);
- scan=0;len=0;
- lastscan=0;lastpos=0;lastoffset=0;
- while(scan<newsize) {
- oldscore=0;
-
- for(scsc=scan+=len;scan<newsize;scan++) {
- len=search(I,old,oldsize,new+scan,newsize-scan,
- 0,oldsize,&pos);
-
- for(;scsc<scan+len;scsc++)
- if((scsc+lastoffset<oldsize) &&
- (old[scsc+lastoffset] == new[scsc]))
- oldscore++;
-
- if(((len==oldscore) && (len!=0)) ||
- (len>oldscore+8)) break;
-
- if((scan+lastoffset<oldsize) &&
- (old[scan+lastoffset] == new[scan]))
- oldscore--;
- };
-
- if((len!=oldscore) || (scan==newsize)) {
- s=0;Sf=0;lenf=0;
- for(i=0;(lastscan+i<scan)&&(lastpos+i<oldsize);) {
- if(old[lastpos+i]==new[lastscan+i]) s++;
- i++;
- if(s*2-i>Sf*2-lenf) { Sf=s; lenf=i; };
- };
-
- lenb=0;
- if(scan<newsize) {
- s=0;Sb=0;
- for(i=1;(scan>=lastscan+i)&&(pos>=i);i++) {
- if(old[pos-i]==new[scan-i]) s++;
- if(s*2-i>Sb*2-lenb) { Sb=s; lenb=i; };
- };
- };
-
- if(lastscan+lenf>scan-lenb) {
- overlap=(lastscan+lenf)-(scan-lenb);
- s=0;Ss=0;lens=0;
- for(i=0;i<overlap;i++) {
- if(new[lastscan+lenf-overlap+i]==
- old[lastpos+lenf-overlap+i]) s++;
- if(new[scan-lenb+i]==
- old[pos-lenb+i]) s--;
- if(s>Ss) { Ss=s; lens=i+1; };
- };
-
- lenf+=lens-overlap;
- lenb-=lens;
- };
-
- for(i=0;i<lenf;i++)
- db[dblen+i]=new[lastscan+i]-old[lastpos+i];
- for(i=0;i<(scan-lenb)-(lastscan+lenf);i++)
- eb[eblen+i]=new[lastscan+lenf+i];
-
- dblen+=lenf;
- eblen+=(scan-lenb)-(lastscan+lenf);
-
- offtout(lenf,buf);
- BZ2_bzWrite(&bz2err, pfbz2, buf, 8);
- if (bz2err != BZ_OK)
- errx(1, "BZ2_bzWrite, bz2err = %d", bz2err);
-
- offtout((scan-lenb)-(lastscan+lenf),buf);
- BZ2_bzWrite(&bz2err, pfbz2, buf, 8);
- if (bz2err != BZ_OK)
- errx(1, "BZ2_bzWrite, bz2err = %d", bz2err);
-
- offtout((pos-lenb)-(lastpos+lenf),buf);
- BZ2_bzWrite(&bz2err, pfbz2, buf, 8);
- if (bz2err != BZ_OK)
- errx(1, "BZ2_bzWrite, bz2err = %d", bz2err);
-
- lastscan=scan-lenb;
- lastpos=pos-lenb;
- lastoffset=pos-scan;
- };
- };
- BZ2_bzWriteClose(&bz2err, pfbz2, 0, NULL, NULL);
- if (bz2err != BZ_OK)
- errx(1, "BZ2_bzWriteClose, bz2err = %d", bz2err);
-
- /* Compute size of compressed ctrl data */
- if ((len = ftello(pf)) == -1)
- err(1, "ftello");
- offtout(len-32, header + 8);
-
- /* Write compressed diff data */
- if ((pfbz2 = BZ2_bzWriteOpen(&bz2err, pf, 9, 0, 0)) == NULL)
- errx(1, "BZ2_bzWriteOpen, bz2err = %d", bz2err);
- BZ2_bzWrite(&bz2err, pfbz2, db, dblen);
- if (bz2err != BZ_OK)
- errx(1, "BZ2_bzWrite, bz2err = %d", bz2err);
- BZ2_bzWriteClose(&bz2err, pfbz2, 0, NULL, NULL);
- if (bz2err != BZ_OK)
- errx(1, "BZ2_bzWriteClose, bz2err = %d", bz2err);
-
- /* Compute size of compressed diff data */
- if ((newsize = ftello(pf)) == -1)
- err(1, "ftello");
- offtout(newsize - len, header + 16);
-
- /* Write compressed extra data */
- if ((pfbz2 = BZ2_bzWriteOpen(&bz2err, pf, 9, 0, 0)) == NULL)
- errx(1, "BZ2_bzWriteOpen, bz2err = %d", bz2err);
- BZ2_bzWrite(&bz2err, pfbz2, eb, eblen);
- if (bz2err != BZ_OK)
- errx(1, "BZ2_bzWrite, bz2err = %d", bz2err);
- BZ2_bzWriteClose(&bz2err, pfbz2, 0, NULL, NULL);
- if (bz2err != BZ_OK)
- errx(1, "BZ2_bzWriteClose, bz2err = %d", bz2err);
-
- /* Seek to the beginning, write the header, and close the file */
- if (fseeko(pf, 0, SEEK_SET))
- err(1, "fseeko");
- if (fwrite(header, 32, 1, pf) != 1)
- err(1, "fwrite(%s)", patch_filename);
- if (fclose(pf))
- err(1, "fclose");
-
- /* Free the memory we used */
- free(db);
- free(eb);
-
- return 0;
-}
diff --git a/applypatch/bsdiff.cpp b/applypatch/bsdiff.cpp
new file mode 100644
index 0000000..55dbe5c
--- /dev/null
+++ b/applypatch/bsdiff.cpp
@@ -0,0 +1,410 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * Most of this code comes from bsdiff.c from the bsdiff-4.3
+ * distribution, which is:
+ */
+
+/*-
+ * Copyright 2003-2005 Colin Percival
+ * All rights reserved
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted providing that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+
+#include <bzlib.h>
+#include <err.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define MIN(x,y) (((x)<(y)) ? (x) : (y))
+
+static void split(off_t *I,off_t *V,off_t start,off_t len,off_t h)
+{
+ off_t i,j,k,x,tmp,jj,kk;
+
+ if(len<16) {
+ for(k=start;k<start+len;k+=j) {
+ j=1;x=V[I[k]+h];
+ for(i=1;k+i<start+len;i++) {
+ if(V[I[k+i]+h]<x) {
+ x=V[I[k+i]+h];
+ j=0;
+ };
+ if(V[I[k+i]+h]==x) {
+ tmp=I[k+j];I[k+j]=I[k+i];I[k+i]=tmp;
+ j++;
+ };
+ };
+ for(i=0;i<j;i++) V[I[k+i]]=k+j-1;
+ if(j==1) I[k]=-1;
+ };
+ return;
+ };
+
+ x=V[I[start+len/2]+h];
+ jj=0;kk=0;
+ for(i=start;i<start+len;i++) {
+ if(V[I[i]+h]<x) jj++;
+ if(V[I[i]+h]==x) kk++;
+ };
+ jj+=start;kk+=jj;
+
+ i=start;j=0;k=0;
+ while(i<jj) {
+ if(V[I[i]+h]<x) {
+ i++;
+ } else if(V[I[i]+h]==x) {
+ tmp=I[i];I[i]=I[jj+j];I[jj+j]=tmp;
+ j++;
+ } else {
+ tmp=I[i];I[i]=I[kk+k];I[kk+k]=tmp;
+ k++;
+ };
+ };
+
+ while(jj+j<kk) {
+ if(V[I[jj+j]+h]==x) {
+ j++;
+ } else {
+ tmp=I[jj+j];I[jj+j]=I[kk+k];I[kk+k]=tmp;
+ k++;
+ };
+ };
+
+ if(jj>start) split(I,V,start,jj-start,h);
+
+ for(i=0;i<kk-jj;i++) V[I[jj+i]]=kk-1;
+ if(jj==kk-1) I[jj]=-1;
+
+ if(start+len>kk) split(I,V,kk,start+len-kk,h);
+}
+
+static void qsufsort(off_t *I,off_t *V,u_char *old,off_t oldsize)
+{
+ off_t buckets[256];
+ off_t i,h,len;
+
+ for(i=0;i<256;i++) buckets[i]=0;
+ for(i=0;i<oldsize;i++) buckets[old[i]]++;
+ for(i=1;i<256;i++) buckets[i]+=buckets[i-1];
+ for(i=255;i>0;i--) buckets[i]=buckets[i-1];
+ buckets[0]=0;
+
+ for(i=0;i<oldsize;i++) I[++buckets[old[i]]]=i;
+ I[0]=oldsize;
+ for(i=0;i<oldsize;i++) V[i]=buckets[old[i]];
+ V[oldsize]=0;
+ for(i=1;i<256;i++) if(buckets[i]==buckets[i-1]+1) I[buckets[i]]=-1;
+ I[0]=-1;
+
+ for(h=1;I[0]!=-(oldsize+1);h+=h) {
+ len=0;
+ for(i=0;i<oldsize+1;) {
+ if(I[i]<0) {
+ len-=I[i];
+ i-=I[i];
+ } else {
+ if(len) I[i-len]=-len;
+ len=V[I[i]]+1-i;
+ split(I,V,i,len,h);
+ i+=len;
+ len=0;
+ };
+ };
+ if(len) I[i-len]=-len;
+ };
+
+ for(i=0;i<oldsize+1;i++) I[V[i]]=i;
+}
+
+static off_t matchlen(u_char *olddata,off_t oldsize,u_char *newdata,off_t newsize)
+{
+ off_t i;
+
+ for(i=0;(i<oldsize)&&(i<newsize);i++)
+ if(olddata[i]!=newdata[i]) break;
+
+ return i;
+}
+
+static off_t search(off_t *I,u_char *old,off_t oldsize,
+ u_char *newdata,off_t newsize,off_t st,off_t en,off_t *pos)
+{
+ off_t x,y;
+
+ if(en-st<2) {
+ x=matchlen(old+I[st],oldsize-I[st],newdata,newsize);
+ y=matchlen(old+I[en],oldsize-I[en],newdata,newsize);
+
+ if(x>y) {
+ *pos=I[st];
+ return x;
+ } else {
+ *pos=I[en];
+ return y;
+ }
+ };
+
+ x=st+(en-st)/2;
+ if(memcmp(old+I[x],newdata,MIN(oldsize-I[x],newsize))<0) {
+ return search(I,old,oldsize,newdata,newsize,x,en,pos);
+ } else {
+ return search(I,old,oldsize,newdata,newsize,st,x,pos);
+ };
+}
+
+static void offtout(off_t x,u_char *buf)
+{
+ off_t y;
+
+ if(x<0) y=-x; else y=x;
+
+ buf[0]=y%256;y-=buf[0];
+ y=y/256;buf[1]=y%256;y-=buf[1];
+ y=y/256;buf[2]=y%256;y-=buf[2];
+ y=y/256;buf[3]=y%256;y-=buf[3];
+ y=y/256;buf[4]=y%256;y-=buf[4];
+ y=y/256;buf[5]=y%256;y-=buf[5];
+ y=y/256;buf[6]=y%256;y-=buf[6];
+ y=y/256;buf[7]=y%256;
+
+ if(x<0) buf[7]|=0x80;
+}
+
+// This is main() from bsdiff.c, with the following changes:
+//
+// - old, oldsize, newdata, newsize are arguments; we don't load this
+// data from files. old and newdata are owned by the caller; we
+// don't free them at the end.
+//
+// - the "I" block of memory is owned by the caller, who passes a
+// pointer to *I, which can be NULL. This way if we call
+// bsdiff() multiple times with the same 'old' data, we only do
+// the qsufsort() step the first time.
+//
+int bsdiff(u_char* old, off_t oldsize, off_t** IP, u_char* newdata, off_t newsize,
+ const char* patch_filename)
+{
+ int fd;
+ off_t *I;
+ off_t scan,pos,len;
+ off_t lastscan,lastpos,lastoffset;
+ off_t oldscore,scsc;
+ off_t s,Sf,lenf,Sb,lenb;
+ off_t overlap,Ss,lens;
+ off_t i;
+ off_t dblen,eblen;
+ u_char *db,*eb;
+ u_char buf[8];
+ u_char header[32];
+ FILE * pf;
+ BZFILE * pfbz2;
+ int bz2err;
+
+ if (*IP == NULL) {
+ off_t* V;
+ *IP = reinterpret_cast<off_t*>(malloc((oldsize+1) * sizeof(off_t)));
+ V = reinterpret_cast<off_t*>(malloc((oldsize+1) * sizeof(off_t)));
+ qsufsort(*IP, V, old, oldsize);
+ free(V);
+ }
+ I = *IP;
+
+ if(((db=reinterpret_cast<u_char*>(malloc(newsize+1)))==NULL) ||
+ ((eb=reinterpret_cast<u_char*>(malloc(newsize+1)))==NULL)) err(1,NULL);
+ dblen=0;
+ eblen=0;
+
+ /* Create the patch file */
+ if ((pf = fopen(patch_filename, "w")) == NULL)
+ err(1, "%s", patch_filename);
+
+ /* Header is
+ 0 8 "BSDIFF40"
+ 8 8 length of bzip2ed ctrl block
+ 16 8 length of bzip2ed diff block
+ 24 8 length of new file */
+ /* File is
+ 0 32 Header
+ 32 ?? Bzip2ed ctrl block
+ ?? ?? Bzip2ed diff block
+ ?? ?? Bzip2ed extra block */
+ memcpy(header,"BSDIFF40",8);
+ offtout(0, header + 8);
+ offtout(0, header + 16);
+ offtout(newsize, header + 24);
+ if (fwrite(header, 32, 1, pf) != 1)
+ err(1, "fwrite(%s)", patch_filename);
+
+ /* Compute the differences, writing ctrl as we go */
+ if ((pfbz2 = BZ2_bzWriteOpen(&bz2err, pf, 9, 0, 0)) == NULL)
+ errx(1, "BZ2_bzWriteOpen, bz2err = %d", bz2err);
+ scan=0;len=0;
+ lastscan=0;lastpos=0;lastoffset=0;
+ while(scan<newsize) {
+ oldscore=0;
+
+ for(scsc=scan+=len;scan<newsize;scan++) {
+ len=search(I,old,oldsize,newdata+scan,newsize-scan,
+ 0,oldsize,&pos);
+
+ for(;scsc<scan+len;scsc++)
+ if((scsc+lastoffset<oldsize) &&
+ (old[scsc+lastoffset] == newdata[scsc]))
+ oldscore++;
+
+ if(((len==oldscore) && (len!=0)) ||
+ (len>oldscore+8)) break;
+
+ if((scan+lastoffset<oldsize) &&
+ (old[scan+lastoffset] == newdata[scan]))
+ oldscore--;
+ };
+
+ if((len!=oldscore) || (scan==newsize)) {
+ s=0;Sf=0;lenf=0;
+ for(i=0;(lastscan+i<scan)&&(lastpos+i<oldsize);) {
+ if(old[lastpos+i]==newdata[lastscan+i]) s++;
+ i++;
+ if(s*2-i>Sf*2-lenf) { Sf=s; lenf=i; };
+ };
+
+ lenb=0;
+ if(scan<newsize) {
+ s=0;Sb=0;
+ for(i=1;(scan>=lastscan+i)&&(pos>=i);i++) {
+ if(old[pos-i]==newdata[scan-i]) s++;
+ if(s*2-i>Sb*2-lenb) { Sb=s; lenb=i; };
+ };
+ };
+
+ if(lastscan+lenf>scan-lenb) {
+ overlap=(lastscan+lenf)-(scan-lenb);
+ s=0;Ss=0;lens=0;
+ for(i=0;i<overlap;i++) {
+ if(newdata[lastscan+lenf-overlap+i]==
+ old[lastpos+lenf-overlap+i]) s++;
+ if(newdata[scan-lenb+i]==
+ old[pos-lenb+i]) s--;
+ if(s>Ss) { Ss=s; lens=i+1; };
+ };
+
+ lenf+=lens-overlap;
+ lenb-=lens;
+ };
+
+ for(i=0;i<lenf;i++)
+ db[dblen+i]=newdata[lastscan+i]-old[lastpos+i];
+ for(i=0;i<(scan-lenb)-(lastscan+lenf);i++)
+ eb[eblen+i]=newdata[lastscan+lenf+i];
+
+ dblen+=lenf;
+ eblen+=(scan-lenb)-(lastscan+lenf);
+
+ offtout(lenf,buf);
+ BZ2_bzWrite(&bz2err, pfbz2, buf, 8);
+ if (bz2err != BZ_OK)
+ errx(1, "BZ2_bzWrite, bz2err = %d", bz2err);
+
+ offtout((scan-lenb)-(lastscan+lenf),buf);
+ BZ2_bzWrite(&bz2err, pfbz2, buf, 8);
+ if (bz2err != BZ_OK)
+ errx(1, "BZ2_bzWrite, bz2err = %d", bz2err);
+
+ offtout((pos-lenb)-(lastpos+lenf),buf);
+ BZ2_bzWrite(&bz2err, pfbz2, buf, 8);
+ if (bz2err != BZ_OK)
+ errx(1, "BZ2_bzWrite, bz2err = %d", bz2err);
+
+ lastscan=scan-lenb;
+ lastpos=pos-lenb;
+ lastoffset=pos-scan;
+ };
+ };
+ BZ2_bzWriteClose(&bz2err, pfbz2, 0, NULL, NULL);
+ if (bz2err != BZ_OK)
+ errx(1, "BZ2_bzWriteClose, bz2err = %d", bz2err);
+
+ /* Compute size of compressed ctrl data */
+ if ((len = ftello(pf)) == -1)
+ err(1, "ftello");
+ offtout(len-32, header + 8);
+
+ /* Write compressed diff data */
+ if ((pfbz2 = BZ2_bzWriteOpen(&bz2err, pf, 9, 0, 0)) == NULL)
+ errx(1, "BZ2_bzWriteOpen, bz2err = %d", bz2err);
+ BZ2_bzWrite(&bz2err, pfbz2, db, dblen);
+ if (bz2err != BZ_OK)
+ errx(1, "BZ2_bzWrite, bz2err = %d", bz2err);
+ BZ2_bzWriteClose(&bz2err, pfbz2, 0, NULL, NULL);
+ if (bz2err != BZ_OK)
+ errx(1, "BZ2_bzWriteClose, bz2err = %d", bz2err);
+
+ /* Compute size of compressed diff data */
+ if ((newsize = ftello(pf)) == -1)
+ err(1, "ftello");
+ offtout(newsize - len, header + 16);
+
+ /* Write compressed extra data */
+ if ((pfbz2 = BZ2_bzWriteOpen(&bz2err, pf, 9, 0, 0)) == NULL)
+ errx(1, "BZ2_bzWriteOpen, bz2err = %d", bz2err);
+ BZ2_bzWrite(&bz2err, pfbz2, eb, eblen);
+ if (bz2err != BZ_OK)
+ errx(1, "BZ2_bzWrite, bz2err = %d", bz2err);
+ BZ2_bzWriteClose(&bz2err, pfbz2, 0, NULL, NULL);
+ if (bz2err != BZ_OK)
+ errx(1, "BZ2_bzWriteClose, bz2err = %d", bz2err);
+
+ /* Seek to the beginning, write the header, and close the file */
+ if (fseeko(pf, 0, SEEK_SET))
+ err(1, "fseeko");
+ if (fwrite(header, 32, 1, pf) != 1)
+ err(1, "fwrite(%s)", patch_filename);
+ if (fclose(pf))
+ err(1, "fclose");
+
+ /* Free the memory we used */
+ free(db);
+ free(eb);
+
+ return 0;
+}
diff --git a/applypatch/bspatch.c b/applypatch/bspatch.c
deleted file mode 100644
index b57760e..0000000
--- a/applypatch/bspatch.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// This file is a nearly line-for-line copy of bspatch.c from the
-// bsdiff-4.3 distribution; the primary differences being how the
-// input and output data are read and the error handling. Running
-// applypatch with the -l option will display the bsdiff license
-// notice.
-
-#include <stdio.h>
-#include <sys/stat.h>
-#include <errno.h>
-#include <malloc.h>
-#include <unistd.h>
-#include <string.h>
-
-#include <bzlib.h>
-
-#include "mincrypt/sha.h"
-#include "applypatch.h"
-
-void ShowBSDiffLicense() {
- puts("The bsdiff library used herein is:\n"
- "\n"
- "Copyright 2003-2005 Colin Percival\n"
- "All rights reserved\n"
- "\n"
- "Redistribution and use in source and binary forms, with or without\n"
- "modification, are permitted providing that the following conditions\n"
- "are met:\n"
- "1. Redistributions of source code must retain the above copyright\n"
- " notice, this list of conditions and the following disclaimer.\n"
- "2. Redistributions in binary form must reproduce the above copyright\n"
- " notice, this list of conditions and the following disclaimer in the\n"
- " documentation and/or other materials provided with the distribution.\n"
- "\n"
- "THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\n"
- "IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n"
- "WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\n"
- "ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY\n"
- "DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\n"
- "DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\n"
- "OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\n"
- "HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,\n"
- "STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING\n"
- "IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n"
- "POSSIBILITY OF SUCH DAMAGE.\n"
- "\n------------------\n\n"
- "This program uses Julian R Seward's \"libbzip2\" library, available\n"
- "from http://www.bzip.org/.\n"
- );
-}
-
-static off_t offtin(u_char *buf)
-{
- off_t y;
-
- y=buf[7]&0x7F;
- y=y*256;y+=buf[6];
- y=y*256;y+=buf[5];
- y=y*256;y+=buf[4];
- y=y*256;y+=buf[3];
- y=y*256;y+=buf[2];
- y=y*256;y+=buf[1];
- y=y*256;y+=buf[0];
-
- if(buf[7]&0x80) y=-y;
-
- return y;
-}
-
-int FillBuffer(unsigned char* buffer, int size, bz_stream* stream) {
- stream->next_out = (char*)buffer;
- stream->avail_out = size;
- while (stream->avail_out > 0) {
- int bzerr = BZ2_bzDecompress(stream);
- if (bzerr != BZ_OK && bzerr != BZ_STREAM_END) {
- printf("bz error %d decompressing\n", bzerr);
- return -1;
- }
- if (stream->avail_out > 0) {
- printf("need %d more bytes\n", stream->avail_out);
- }
- }
- return 0;
-}
-
-int ApplyBSDiffPatch(const unsigned char* old_data, ssize_t old_size,
- const Value* patch, ssize_t patch_offset,
- SinkFn sink, void* token, SHA_CTX* ctx) {
-
- unsigned char* new_data;
- ssize_t new_size;
- if (ApplyBSDiffPatchMem(old_data, old_size, patch, patch_offset,
- &new_data, &new_size) != 0) {
- return -1;
- }
-
- if (sink(new_data, new_size, token) < new_size) {
- printf("short write of output: %d (%s)\n", errno, strerror(errno));
- return 1;
- }
- if (ctx) SHA_update(ctx, new_data, new_size);
- free(new_data);
-
- return 0;
-}
-
-int ApplyBSDiffPatchMem(const unsigned char* old_data, ssize_t old_size,
- const Value* patch, ssize_t patch_offset,
- unsigned char** new_data, ssize_t* new_size) {
- // Patch data format:
- // 0 8 "BSDIFF40"
- // 8 8 X
- // 16 8 Y
- // 24 8 sizeof(newfile)
- // 32 X bzip2(control block)
- // 32+X Y bzip2(diff block)
- // 32+X+Y ??? bzip2(extra block)
- // with control block a set of triples (x,y,z) meaning "add x bytes
- // from oldfile to x bytes from the diff block; copy y bytes from the
- // extra block; seek forwards in oldfile by z bytes".
-
- unsigned char* header = (unsigned char*) patch->data + patch_offset;
- if (memcmp(header, "BSDIFF40", 8) != 0) {
- printf("corrupt bsdiff patch file header (magic number)\n");
- return 1;
- }
-
- ssize_t ctrl_len, data_len;
- ctrl_len = offtin(header+8);
- data_len = offtin(header+16);
- *new_size = offtin(header+24);
-
- if (ctrl_len < 0 || data_len < 0 || *new_size < 0) {
- printf("corrupt patch file header (data lengths)\n");
- return 1;
- }
-
- int bzerr;
-
- bz_stream cstream;
- cstream.next_in = patch->data + patch_offset + 32;
- cstream.avail_in = ctrl_len;
- cstream.bzalloc = NULL;
- cstream.bzfree = NULL;
- cstream.opaque = NULL;
- if ((bzerr = BZ2_bzDecompressInit(&cstream, 0, 0)) != BZ_OK) {
- printf("failed to bzinit control stream (%d)\n", bzerr);
- }
-
- bz_stream dstream;
- dstream.next_in = patch->data + patch_offset + 32 + ctrl_len;
- dstream.avail_in = data_len;
- dstream.bzalloc = NULL;
- dstream.bzfree = NULL;
- dstream.opaque = NULL;
- if ((bzerr = BZ2_bzDecompressInit(&dstream, 0, 0)) != BZ_OK) {
- printf("failed to bzinit diff stream (%d)\n", bzerr);
- }
-
- bz_stream estream;
- estream.next_in = patch->data + patch_offset + 32 + ctrl_len + data_len;
- estream.avail_in = patch->size - (patch_offset + 32 + ctrl_len + data_len);
- estream.bzalloc = NULL;
- estream.bzfree = NULL;
- estream.opaque = NULL;
- if ((bzerr = BZ2_bzDecompressInit(&estream, 0, 0)) != BZ_OK) {
- printf("failed to bzinit extra stream (%d)\n", bzerr);
- }
-
- *new_data = malloc(*new_size);
- if (*new_data == NULL) {
- printf("failed to allocate %ld bytes of memory for output file\n",
- (long)*new_size);
- return 1;
- }
-
- off_t oldpos = 0, newpos = 0;
- off_t ctrl[3];
- off_t len_read;
- int i;
- unsigned char buf[24];
- while (newpos < *new_size) {
- // Read control data
- if (FillBuffer(buf, 24, &cstream) != 0) {
- printf("error while reading control stream\n");
- return 1;
- }
- ctrl[0] = offtin(buf);
- ctrl[1] = offtin(buf+8);
- ctrl[2] = offtin(buf+16);
-
- if (ctrl[0] < 0 || ctrl[1] < 0) {
- printf("corrupt patch (negative byte counts)\n");
- return 1;
- }
-
- // Sanity check
- if (newpos + ctrl[0] > *new_size) {
- printf("corrupt patch (new file overrun)\n");
- return 1;
- }
-
- // Read diff string
- if (FillBuffer(*new_data + newpos, ctrl[0], &dstream) != 0) {
- printf("error while reading diff stream\n");
- return 1;
- }
-
- // Add old data to diff string
- for (i = 0; i < ctrl[0]; ++i) {
- if ((oldpos+i >= 0) && (oldpos+i < old_size)) {
- (*new_data)[newpos+i] += old_data[oldpos+i];
- }
- }
-
- // Adjust pointers
- newpos += ctrl[0];
- oldpos += ctrl[0];
-
- // Sanity check
- if (newpos + ctrl[1] > *new_size) {
- printf("corrupt patch (new file overrun)\n");
- return 1;
- }
-
- // Read extra string
- if (FillBuffer(*new_data + newpos, ctrl[1], &estream) != 0) {
- printf("error while reading extra stream\n");
- return 1;
- }
-
- // Adjust pointers
- newpos += ctrl[1];
- oldpos += ctrl[2];
- }
-
- BZ2_bzDecompressEnd(&cstream);
- BZ2_bzDecompressEnd(&dstream);
- BZ2_bzDecompressEnd(&estream);
- return 0;
-}
diff --git a/applypatch/bspatch.cpp b/applypatch/bspatch.cpp
new file mode 100644
index 0000000..ebb55f1
--- /dev/null
+++ b/applypatch/bspatch.cpp
@@ -0,0 +1,247 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// This file is a nearly line-for-line copy of bspatch.c from the
+// bsdiff-4.3 distribution; the primary differences being how the
+// input and output data are read and the error handling. Running
+// applypatch with the -l option will display the bsdiff license
+// notice.
+
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <bzlib.h>
+
+#include "openssl/sha.h"
+#include "applypatch.h"
+
+void ShowBSDiffLicense() {
+ puts("The bsdiff library used herein is:\n"
+ "\n"
+ "Copyright 2003-2005 Colin Percival\n"
+ "All rights reserved\n"
+ "\n"
+ "Redistribution and use in source and binary forms, with or without\n"
+ "modification, are permitted providing that the following conditions\n"
+ "are met:\n"
+ "1. Redistributions of source code must retain the above copyright\n"
+ " notice, this list of conditions and the following disclaimer.\n"
+ "2. Redistributions in binary form must reproduce the above copyright\n"
+ " notice, this list of conditions and the following disclaimer in the\n"
+ " documentation and/or other materials provided with the distribution.\n"
+ "\n"
+ "THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\n"
+ "IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n"
+ "WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\n"
+ "ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY\n"
+ "DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\n"
+ "DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\n"
+ "OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\n"
+ "HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,\n"
+ "STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING\n"
+ "IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n"
+ "POSSIBILITY OF SUCH DAMAGE.\n"
+ "\n------------------\n\n"
+ "This program uses Julian R Seward's \"libbzip2\" library, available\n"
+ "from http://www.bzip.org/.\n"
+ );
+}
+
+static off_t offtin(u_char *buf)
+{
+ off_t y;
+
+ y=buf[7]&0x7F;
+ y=y*256;y+=buf[6];
+ y=y*256;y+=buf[5];
+ y=y*256;y+=buf[4];
+ y=y*256;y+=buf[3];
+ y=y*256;y+=buf[2];
+ y=y*256;y+=buf[1];
+ y=y*256;y+=buf[0];
+
+ if(buf[7]&0x80) y=-y;
+
+ return y;
+}
+
+int FillBuffer(unsigned char* buffer, int size, bz_stream* stream) {
+ stream->next_out = (char*)buffer;
+ stream->avail_out = size;
+ while (stream->avail_out > 0) {
+ int bzerr = BZ2_bzDecompress(stream);
+ if (bzerr != BZ_OK && bzerr != BZ_STREAM_END) {
+ printf("bz error %d decompressing\n", bzerr);
+ return -1;
+ }
+ if (stream->avail_out > 0) {
+ printf("need %d more bytes\n", stream->avail_out);
+ }
+ }
+ return 0;
+}
+
+int ApplyBSDiffPatch(const unsigned char* old_data, ssize_t old_size,
+ const Value* patch, ssize_t patch_offset,
+ SinkFn sink, void* token, SHA_CTX* ctx) {
+
+ std::vector<unsigned char> new_data;
+ if (ApplyBSDiffPatchMem(old_data, old_size, patch, patch_offset, &new_data) != 0) {
+ return -1;
+ }
+
+ if (sink(new_data.data(), new_data.size(), token) < static_cast<ssize_t>(new_data.size())) {
+ printf("short write of output: %d (%s)\n", errno, strerror(errno));
+ return 1;
+ }
+ if (ctx) SHA1_Update(ctx, new_data.data(), new_data.size());
+ return 0;
+}
+
+int ApplyBSDiffPatchMem(const unsigned char* old_data, ssize_t old_size,
+ const Value* patch, ssize_t patch_offset,
+ std::vector<unsigned char>* new_data) {
+ // Patch data format:
+ // 0 8 "BSDIFF40"
+ // 8 8 X
+ // 16 8 Y
+ // 24 8 sizeof(newfile)
+ // 32 X bzip2(control block)
+ // 32+X Y bzip2(diff block)
+ // 32+X+Y ??? bzip2(extra block)
+ // with control block a set of triples (x,y,z) meaning "add x bytes
+ // from oldfile to x bytes from the diff block; copy y bytes from the
+ // extra block; seek forwards in oldfile by z bytes".
+
+ unsigned char* header = (unsigned char*) patch->data + patch_offset;
+ if (memcmp(header, "BSDIFF40", 8) != 0) {
+ printf("corrupt bsdiff patch file header (magic number)\n");
+ return 1;
+ }
+
+ ssize_t ctrl_len, data_len, new_size;
+ ctrl_len = offtin(header+8);
+ data_len = offtin(header+16);
+ new_size = offtin(header+24);
+
+ if (ctrl_len < 0 || data_len < 0 || new_size < 0) {
+ printf("corrupt patch file header (data lengths)\n");
+ return 1;
+ }
+
+ int bzerr;
+
+ bz_stream cstream;
+ cstream.next_in = patch->data + patch_offset + 32;
+ cstream.avail_in = ctrl_len;
+ cstream.bzalloc = NULL;
+ cstream.bzfree = NULL;
+ cstream.opaque = NULL;
+ if ((bzerr = BZ2_bzDecompressInit(&cstream, 0, 0)) != BZ_OK) {
+ printf("failed to bzinit control stream (%d)\n", bzerr);
+ }
+
+ bz_stream dstream;
+ dstream.next_in = patch->data + patch_offset + 32 + ctrl_len;
+ dstream.avail_in = data_len;
+ dstream.bzalloc = NULL;
+ dstream.bzfree = NULL;
+ dstream.opaque = NULL;
+ if ((bzerr = BZ2_bzDecompressInit(&dstream, 0, 0)) != BZ_OK) {
+ printf("failed to bzinit diff stream (%d)\n", bzerr);
+ }
+
+ bz_stream estream;
+ estream.next_in = patch->data + patch_offset + 32 + ctrl_len + data_len;
+ estream.avail_in = patch->size - (patch_offset + 32 + ctrl_len + data_len);
+ estream.bzalloc = NULL;
+ estream.bzfree = NULL;
+ estream.opaque = NULL;
+ if ((bzerr = BZ2_bzDecompressInit(&estream, 0, 0)) != BZ_OK) {
+ printf("failed to bzinit extra stream (%d)\n", bzerr);
+ }
+
+ new_data->resize(new_size);
+
+ off_t oldpos = 0, newpos = 0;
+ off_t ctrl[3];
+ off_t len_read;
+ int i;
+ unsigned char buf[24];
+ while (newpos < new_size) {
+ // Read control data
+ if (FillBuffer(buf, 24, &cstream) != 0) {
+ printf("error while reading control stream\n");
+ return 1;
+ }
+ ctrl[0] = offtin(buf);
+ ctrl[1] = offtin(buf+8);
+ ctrl[2] = offtin(buf+16);
+
+ if (ctrl[0] < 0 || ctrl[1] < 0) {
+ printf("corrupt patch (negative byte counts)\n");
+ return 1;
+ }
+
+ // Sanity check
+ if (newpos + ctrl[0] > new_size) {
+ printf("corrupt patch (new file overrun)\n");
+ return 1;
+ }
+
+ // Read diff string
+ if (FillBuffer(new_data->data() + newpos, ctrl[0], &dstream) != 0) {
+ printf("error while reading diff stream\n");
+ return 1;
+ }
+
+ // Add old data to diff string
+ for (i = 0; i < ctrl[0]; ++i) {
+ if ((oldpos+i >= 0) && (oldpos+i < old_size)) {
+ (*new_data)[newpos+i] += old_data[oldpos+i];
+ }
+ }
+
+ // Adjust pointers
+ newpos += ctrl[0];
+ oldpos += ctrl[0];
+
+ // Sanity check
+ if (newpos + ctrl[1] > new_size) {
+ printf("corrupt patch (new file overrun)\n");
+ return 1;
+ }
+
+ // Read extra string
+ if (FillBuffer(new_data->data() + newpos, ctrl[1], &estream) != 0) {
+ printf("error while reading extra stream\n");
+ return 1;
+ }
+
+ // Adjust pointers
+ newpos += ctrl[1];
+ oldpos += ctrl[2];
+ }
+
+ BZ2_bzDecompressEnd(&cstream);
+ BZ2_bzDecompressEnd(&dstream);
+ BZ2_bzDecompressEnd(&estream);
+ return 0;
+}
diff --git a/applypatch/freecache.c b/applypatch/freecache.c
deleted file mode 100644
index 9827fda..0000000
--- a/applypatch/freecache.c
+++ /dev/null
@@ -1,172 +0,0 @@
-#include <errno.h>
-#include <libgen.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/statfs.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <ctype.h>
-
-#include "applypatch.h"
-
-static int EliminateOpenFiles(char** files, int file_count) {
- DIR* d;
- struct dirent* de;
- d = opendir("/proc");
- if (d == NULL) {
- printf("error opening /proc: %s\n", strerror(errno));
- return -1;
- }
- while ((de = readdir(d)) != 0) {
- int i;
- for (i = 0; de->d_name[i] != '\0' && isdigit(de->d_name[i]); ++i);
- if (de->d_name[i]) continue;
-
- // de->d_name[i] is numeric
-
- char path[FILENAME_MAX];
- strcpy(path, "/proc/");
- strcat(path, de->d_name);
- strcat(path, "/fd/");
-
- DIR* fdd;
- struct dirent* fdde;
- fdd = opendir(path);
- if (fdd == NULL) {
- printf("error opening %s: %s\n", path, strerror(errno));
- continue;
- }
- while ((fdde = readdir(fdd)) != 0) {
- char fd_path[FILENAME_MAX];
- char link[FILENAME_MAX];
- strcpy(fd_path, path);
- strcat(fd_path, fdde->d_name);
-
- int count;
- count = readlink(fd_path, link, sizeof(link)-1);
- if (count >= 0) {
- link[count] = '\0';
-
- // This is inefficient, but it should only matter if there are
- // lots of files in /cache, and lots of them are open (neither
- // of which should be true, especially in recovery).
- if (strncmp(link, "/cache/", 7) == 0) {
- int j;
- for (j = 0; j < file_count; ++j) {
- if (files[j] && strcmp(files[j], link) == 0) {
- printf("%s is open by %s\n", link, de->d_name);
- free(files[j]);
- files[j] = NULL;
- }
- }
- }
- }
- }
- closedir(fdd);
- }
- closedir(d);
-
- return 0;
-}
-
-int FindExpendableFiles(char*** names, int* entries) {
- DIR* d;
- struct dirent* de;
- int size = 32;
- *entries = 0;
- *names = malloc(size * sizeof(char*));
-
- char path[FILENAME_MAX];
-
- // We're allowed to delete unopened regular files in any of these
- // directories.
- const char* dirs[2] = {"/cache", "/cache/recovery/otatest"};
-
- unsigned int i;
- for (i = 0; i < sizeof(dirs)/sizeof(dirs[0]); ++i) {
- d = opendir(dirs[i]);
- if (d == NULL) {
- printf("error opening %s: %s\n", dirs[i], strerror(errno));
- continue;
- }
-
- // Look for regular files in the directory (not in any subdirectories).
- while ((de = readdir(d)) != 0) {
- strcpy(path, dirs[i]);
- strcat(path, "/");
- strcat(path, de->d_name);
-
- // We can't delete CACHE_TEMP_SOURCE; if it's there we might have
- // restarted during installation and could be depending on it to
- // be there.
- if (strcmp(path, CACHE_TEMP_SOURCE) == 0) continue;
-
- struct stat st;
- if (stat(path, &st) == 0 && S_ISREG(st.st_mode)) {
- if (*entries >= size) {
- size *= 2;
- *names = realloc(*names, size * sizeof(char*));
- }
- (*names)[(*entries)++] = strdup(path);
- }
- }
-
- closedir(d);
- }
-
- printf("%d regular files in deletable directories\n", *entries);
-
- if (EliminateOpenFiles(*names, *entries) < 0) {
- return -1;
- }
-
- return 0;
-}
-
-int MakeFreeSpaceOnCache(size_t bytes_needed) {
- size_t free_now = FreeSpaceForFile("/cache");
- printf("%ld bytes free on /cache (%ld needed)\n",
- (long)free_now, (long)bytes_needed);
-
- if (free_now >= bytes_needed) {
- return 0;
- }
-
- char** names;
- int entries;
-
- if (FindExpendableFiles(&names, &entries) < 0) {
- return -1;
- }
-
- if (entries == 0) {
- // nothing we can delete to free up space!
- printf("no files can be deleted to free space on /cache\n");
- return -1;
- }
-
- // We could try to be smarter about which files to delete: the
- // biggest ones? the smallest ones that will free up enough space?
- // the oldest? the newest?
- //
- // Instead, we'll be dumb.
-
- int i;
- for (i = 0; i < entries && free_now < bytes_needed; ++i) {
- if (names[i]) {
- unlink(names[i]);
- free_now = FreeSpaceForFile("/cache");
- printf("deleted %s; now %ld bytes free\n", names[i], (long)free_now);
- free(names[i]);
- }
- }
-
- for (; i < entries; ++i) {
- free(names[i]);
- }
- free(names);
-
- return (free_now >= bytes_needed) ? 0 : -1;
-}
diff --git a/applypatch/freecache.cpp b/applypatch/freecache.cpp
new file mode 100644
index 0000000..c84f427
--- /dev/null
+++ b/applypatch/freecache.cpp
@@ -0,0 +1,143 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <libgen.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <ctype.h>
+
+#include <memory>
+#include <set>
+#include <string>
+
+#include <android-base/parseint.h>
+#include <android-base/stringprintf.h>
+
+#include "applypatch.h"
+
+static int EliminateOpenFiles(std::set<std::string>* files) {
+ std::unique_ptr<DIR, decltype(&closedir)> d(opendir("/proc"), closedir);
+ if (!d) {
+ printf("error opening /proc: %s\n", strerror(errno));
+ return -1;
+ }
+ struct dirent* de;
+ while ((de = readdir(d.get())) != 0) {
+ unsigned int pid;
+ if (!android::base::ParseUint(de->d_name, &pid)) {
+ continue;
+ }
+ std::string path = android::base::StringPrintf("/proc/%s/fd/", de->d_name);
+
+ struct dirent* fdde;
+ std::unique_ptr<DIR, decltype(&closedir)> fdd(opendir(path.c_str()), closedir);
+ if (!fdd) {
+ printf("error opening %s: %s\n", path.c_str(), strerror(errno));
+ continue;
+ }
+ while ((fdde = readdir(fdd.get())) != 0) {
+ std::string fd_path = path + fdde->d_name;
+ char link[FILENAME_MAX];
+
+ int count = readlink(fd_path.c_str(), link, sizeof(link)-1);
+ if (count >= 0) {
+ link[count] = '\0';
+ if (strncmp(link, "/cache/", 7) == 0) {
+ if (files->erase(link) > 0) {
+ printf("%s is open by %s\n", link, de->d_name);
+ }
+ }
+ }
+ }
+ }
+ return 0;
+}
+
+static std::set<std::string> FindExpendableFiles() {
+ std::set<std::string> files;
+ // We're allowed to delete unopened regular files in any of these
+ // directories.
+ const char* dirs[2] = {"/cache", "/cache/recovery/otatest"};
+
+ for (size_t i = 0; i < sizeof(dirs)/sizeof(dirs[0]); ++i) {
+ std::unique_ptr<DIR, decltype(&closedir)> d(opendir(dirs[i]), closedir);
+ if (!d) {
+ printf("error opening %s: %s\n", dirs[i], strerror(errno));
+ continue;
+ }
+
+ // Look for regular files in the directory (not in any subdirectories).
+ struct dirent* de;
+ while ((de = readdir(d.get())) != 0) {
+ std::string path = std::string(dirs[i]) + "/" + de->d_name;
+
+ // We can't delete CACHE_TEMP_SOURCE; if it's there we might have
+ // restarted during installation and could be depending on it to
+ // be there.
+ if (path == CACHE_TEMP_SOURCE) {
+ continue;
+ }
+
+ struct stat st;
+ if (stat(path.c_str(), &st) == 0 && S_ISREG(st.st_mode)) {
+ files.insert(path);
+ }
+ }
+ }
+
+ printf("%zu regular files in deletable directories\n", files.size());
+ if (EliminateOpenFiles(&files) < 0) {
+ return std::set<std::string>();
+ }
+ return files;
+}
+
+int MakeFreeSpaceOnCache(size_t bytes_needed) {
+ size_t free_now = FreeSpaceForFile("/cache");
+ printf("%zu bytes free on /cache (%zu needed)\n", free_now, bytes_needed);
+
+ if (free_now >= bytes_needed) {
+ return 0;
+ }
+ std::set<std::string> files = FindExpendableFiles();
+ if (files.empty()) {
+ // nothing we can delete to free up space!
+ printf("no files can be deleted to free space on /cache\n");
+ return -1;
+ }
+
+ // We could try to be smarter about which files to delete: the
+ // biggest ones? the smallest ones that will free up enough space?
+ // the oldest? the newest?
+ //
+ // Instead, we'll be dumb.
+
+ for (const auto& file : files) {
+ unlink(file.c_str());
+ free_now = FreeSpaceForFile("/cache");
+ printf("deleted %s; now %zu bytes free\n", file.c_str(), free_now);
+ if (free_now < bytes_needed) {
+ break;
+ }
+ }
+ return (free_now >= bytes_needed) ? 0 : -1;
+}
diff --git a/applypatch/imgdiff.c b/applypatch/imgdiff.c
deleted file mode 100644
index 3bac8be..0000000
--- a/applypatch/imgdiff.c
+++ /dev/null
@@ -1,1060 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * This program constructs binary patches for images -- such as boot.img
- * and recovery.img -- that consist primarily of large chunks of gzipped
- * data interspersed with uncompressed data. Doing a naive bsdiff of
- * these files is not useful because small changes in the data lead to
- * large changes in the compressed bitstream; bsdiff patches of gzipped
- * data are typically as large as the data itself.
- *
- * To patch these usefully, we break the source and target images up into
- * chunks of two types: "normal" and "gzip". Normal chunks are simply
- * patched using a plain bsdiff. Gzip chunks are first expanded, then a
- * bsdiff is applied to the uncompressed data, then the patched data is
- * gzipped using the same encoder parameters. Patched chunks are
- * concatenated together to create the output file; the output image
- * should be *exactly* the same series of bytes as the target image used
- * originally to generate the patch.
- *
- * To work well with this tool, the gzipped sections of the target
- * image must have been generated using the same deflate encoder that
- * is available in applypatch, namely, the one in the zlib library.
- * In practice this means that images should be compressed using the
- * "minigzip" tool included in the zlib distribution, not the GNU gzip
- * program.
- *
- * An "imgdiff" patch consists of a header describing the chunk structure
- * of the file and any encoding parameters needed for the gzipped
- * chunks, followed by N bsdiff patches, one per chunk.
- *
- * For a diff to be generated, the source and target images must have the
- * same "chunk" structure: that is, the same number of gzipped and normal
- * chunks in the same order. Android boot and recovery images currently
- * consist of five chunks: a small normal header, a gzipped kernel, a
- * small normal section, a gzipped ramdisk, and finally a small normal
- * footer.
- *
- * Caveats: we locate gzipped sections within the source and target
- * images by searching for the byte sequence 1f8b0800: 1f8b is the gzip
- * magic number; 08 specifies the "deflate" encoding [the only encoding
- * supported by the gzip standard]; and 00 is the flags byte. We do not
- * currently support any extra header fields (which would be indicated by
- * a nonzero flags byte). We also don't handle the case when that byte
- * sequence appears spuriously in the file. (Note that it would have to
- * occur spuriously within a normal chunk to be a problem.)
- *
- *
- * The imgdiff patch header looks like this:
- *
- * "IMGDIFF1" (8) [magic number and version]
- * chunk count (4)
- * for each chunk:
- * chunk type (4) [CHUNK_{NORMAL, GZIP, DEFLATE, RAW}]
- * if chunk type == CHUNK_NORMAL:
- * source start (8)
- * source len (8)
- * bsdiff patch offset (8) [from start of patch file]
- * if chunk type == CHUNK_GZIP: (version 1 only)
- * source start (8)
- * source len (8)
- * bsdiff patch offset (8) [from start of patch file]
- * source expanded len (8) [size of uncompressed source]
- * target expected len (8) [size of uncompressed target]
- * gzip level (4)
- * method (4)
- * windowBits (4)
- * memLevel (4)
- * strategy (4)
- * gzip header len (4)
- * gzip header (gzip header len)
- * gzip footer (8)
- * if chunk type == CHUNK_DEFLATE: (version 2 only)
- * source start (8)
- * source len (8)
- * bsdiff patch offset (8) [from start of patch file]
- * source expanded len (8) [size of uncompressed source]
- * target expected len (8) [size of uncompressed target]
- * gzip level (4)
- * method (4)
- * windowBits (4)
- * memLevel (4)
- * strategy (4)
- * if chunk type == RAW: (version 2 only)
- * target len (4)
- * data (target len)
- *
- * All integers are little-endian. "source start" and "source len"
- * specify the section of the input image that comprises this chunk,
- * including the gzip header and footer for gzip chunks. "source
- * expanded len" is the size of the uncompressed source data. "target
- * expected len" is the size of the uncompressed data after applying
- * the bsdiff patch. The next five parameters specify the zlib
- * parameters to be used when compressing the patched data, and the
- * next three specify the header and footer to be wrapped around the
- * compressed data to create the output chunk (so that header contents
- * like the timestamp are recreated exactly).
- *
- * After the header there are 'chunk count' bsdiff patches; the offset
- * of each from the beginning of the file is specified in the header.
- *
- * This tool can take an optional file of "bonus data". This is an
- * extra file of data that is appended to chunk #1 after it is
- * compressed (it must be a CHUNK_DEFLATE chunk). The same file must
- * be available (and passed to applypatch with -b) when applying the
- * patch. This is used to reduce the size of recovery-from-boot
- * patches by combining the boot image with recovery ramdisk
- * information that is stored on the system partition.
- */
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <sys/types.h>
-
-#include "zlib.h"
-#include "imgdiff.h"
-#include "utils.h"
-
-typedef struct {
- int type; // CHUNK_NORMAL, CHUNK_DEFLATE
- size_t start; // offset of chunk in original image file
-
- size_t len;
- unsigned char* data; // data to be patched (uncompressed, for deflate chunks)
-
- size_t source_start;
- size_t source_len;
-
- off_t* I; // used by bsdiff
-
- // --- for CHUNK_DEFLATE chunks only: ---
-
- // original (compressed) deflate data
- size_t deflate_len;
- unsigned char* deflate_data;
-
- char* filename; // used for zip entries
-
- // deflate encoder parameters
- int level, method, windowBits, memLevel, strategy;
-
- size_t source_uncompressed_len;
-} ImageChunk;
-
-typedef struct {
- int data_offset;
- int deflate_len;
- int uncomp_len;
- char* filename;
-} ZipFileEntry;
-
-static int fileentry_compare(const void* a, const void* b) {
- int ao = ((ZipFileEntry*)a)->data_offset;
- int bo = ((ZipFileEntry*)b)->data_offset;
- if (ao < bo) {
- return -1;
- } else if (ao > bo) {
- return 1;
- } else {
- return 0;
- }
-}
-
-// from bsdiff.c
-int bsdiff(u_char* old, off_t oldsize, off_t** IP, u_char* new, off_t newsize,
- const char* patch_filename);
-
-unsigned char* ReadZip(const char* filename,
- int* num_chunks, ImageChunk** chunks,
- int include_pseudo_chunk) {
- struct stat st;
- if (stat(filename, &st) != 0) {
- printf("failed to stat \"%s\": %s\n", filename, strerror(errno));
- return NULL;
- }
-
- unsigned char* img = malloc(st.st_size);
- FILE* f = fopen(filename, "rb");
- if (fread(img, 1, st.st_size, f) != st.st_size) {
- printf("failed to read \"%s\" %s\n", filename, strerror(errno));
- fclose(f);
- return NULL;
- }
- fclose(f);
-
- // look for the end-of-central-directory record.
-
- int i;
- for (i = st.st_size-20; i >= 0 && i > st.st_size - 65600; --i) {
- if (img[i] == 0x50 && img[i+1] == 0x4b &&
- img[i+2] == 0x05 && img[i+3] == 0x06) {
- break;
- }
- }
- // double-check: this archive consists of a single "disk"
- if (!(img[i+4] == 0 && img[i+5] == 0 && img[i+6] == 0 && img[i+7] == 0)) {
- printf("can't process multi-disk archive\n");
- return NULL;
- }
-
- int cdcount = Read2(img+i+8);
- int cdoffset = Read4(img+i+16);
-
- ZipFileEntry* temp_entries = malloc(cdcount * sizeof(ZipFileEntry));
- int entrycount = 0;
-
- unsigned char* cd = img+cdoffset;
- for (i = 0; i < cdcount; ++i) {
- if (!(cd[0] == 0x50 && cd[1] == 0x4b && cd[2] == 0x01 && cd[3] == 0x02)) {
- printf("bad central directory entry %d\n", i);
- return NULL;
- }
-
- int clen = Read4(cd+20); // compressed len
- int ulen = Read4(cd+24); // uncompressed len
- int nlen = Read2(cd+28); // filename len
- int xlen = Read2(cd+30); // extra field len
- int mlen = Read2(cd+32); // file comment len
- int hoffset = Read4(cd+42); // local header offset
-
- char* filename = malloc(nlen+1);
- memcpy(filename, cd+46, nlen);
- filename[nlen] = '\0';
-
- int method = Read2(cd+10);
-
- cd += 46 + nlen + xlen + mlen;
-
- if (method != 8) { // 8 == deflate
- free(filename);
- continue;
- }
-
- unsigned char* lh = img + hoffset;
-
- if (!(lh[0] == 0x50 && lh[1] == 0x4b && lh[2] == 0x03 && lh[3] == 0x04)) {
- printf("bad local file header entry %d\n", i);
- return NULL;
- }
-
- if (Read2(lh+26) != nlen || memcmp(lh+30, filename, nlen) != 0) {
- printf("central dir filename doesn't match local header\n");
- return NULL;
- }
-
- xlen = Read2(lh+28); // extra field len; might be different from CD entry?
-
- temp_entries[entrycount].data_offset = hoffset+30+nlen+xlen;
- temp_entries[entrycount].deflate_len = clen;
- temp_entries[entrycount].uncomp_len = ulen;
- temp_entries[entrycount].filename = filename;
- ++entrycount;
- }
-
- qsort(temp_entries, entrycount, sizeof(ZipFileEntry), fileentry_compare);
-
-#if 0
- printf("found %d deflated entries\n", entrycount);
- for (i = 0; i < entrycount; ++i) {
- printf("off %10d len %10d unlen %10d %p %s\n",
- temp_entries[i].data_offset,
- temp_entries[i].deflate_len,
- temp_entries[i].uncomp_len,
- temp_entries[i].filename,
- temp_entries[i].filename);
- }
-#endif
-
- *num_chunks = 0;
- *chunks = malloc((entrycount*2+2) * sizeof(ImageChunk));
- ImageChunk* curr = *chunks;
-
- if (include_pseudo_chunk) {
- curr->type = CHUNK_NORMAL;
- curr->start = 0;
- curr->len = st.st_size;
- curr->data = img;
- curr->filename = NULL;
- curr->I = NULL;
- ++curr;
- ++*num_chunks;
- }
-
- int pos = 0;
- int nextentry = 0;
-
- while (pos < st.st_size) {
- if (nextentry < entrycount && pos == temp_entries[nextentry].data_offset) {
- curr->type = CHUNK_DEFLATE;
- curr->start = pos;
- curr->deflate_len = temp_entries[nextentry].deflate_len;
- curr->deflate_data = img + pos;
- curr->filename = temp_entries[nextentry].filename;
- curr->I = NULL;
-
- curr->len = temp_entries[nextentry].uncomp_len;
- curr->data = malloc(curr->len);
-
- z_stream strm;
- strm.zalloc = Z_NULL;
- strm.zfree = Z_NULL;
- strm.opaque = Z_NULL;
- strm.avail_in = curr->deflate_len;
- strm.next_in = curr->deflate_data;
-
- // -15 means we are decoding a 'raw' deflate stream; zlib will
- // not expect zlib headers.
- int ret = inflateInit2(&strm, -15);
-
- strm.avail_out = curr->len;
- strm.next_out = curr->data;
- ret = inflate(&strm, Z_NO_FLUSH);
- if (ret != Z_STREAM_END) {
- printf("failed to inflate \"%s\"; %d\n", curr->filename, ret);
- return NULL;
- }
-
- inflateEnd(&strm);
-
- pos += curr->deflate_len;
- ++nextentry;
- ++*num_chunks;
- ++curr;
- continue;
- }
-
- // use a normal chunk to take all the data up to the start of the
- // next deflate section.
-
- curr->type = CHUNK_NORMAL;
- curr->start = pos;
- if (nextentry < entrycount) {
- curr->len = temp_entries[nextentry].data_offset - pos;
- } else {
- curr->len = st.st_size - pos;
- }
- curr->data = img + pos;
- curr->filename = NULL;
- curr->I = NULL;
- pos += curr->len;
-
- ++*num_chunks;
- ++curr;
- }
-
- free(temp_entries);
- return img;
-}
-
-/*
- * Read the given file and break it up into chunks, putting the number
- * of chunks and their info in *num_chunks and **chunks,
- * respectively. Returns a malloc'd block of memory containing the
- * contents of the file; various pointers in the output chunk array
- * will point into this block of memory. The caller should free the
- * return value when done with all the chunks. Returns NULL on
- * failure.
- */
-unsigned char* ReadImage(const char* filename,
- int* num_chunks, ImageChunk** chunks) {
- struct stat st;
- if (stat(filename, &st) != 0) {
- printf("failed to stat \"%s\": %s\n", filename, strerror(errno));
- return NULL;
- }
-
- unsigned char* img = malloc(st.st_size + 4);
- FILE* f = fopen(filename, "rb");
- if (fread(img, 1, st.st_size, f) != st.st_size) {
- printf("failed to read \"%s\" %s\n", filename, strerror(errno));
- fclose(f);
- return NULL;
- }
- fclose(f);
-
- // append 4 zero bytes to the data so we can always search for the
- // four-byte string 1f8b0800 starting at any point in the actual
- // file data, without special-casing the end of the data.
- memset(img+st.st_size, 0, 4);
-
- size_t pos = 0;
-
- *num_chunks = 0;
- *chunks = NULL;
-
- while (pos < st.st_size) {
- unsigned char* p = img+pos;
-
- if (st.st_size - pos >= 4 &&
- p[0] == 0x1f && p[1] == 0x8b &&
- p[2] == 0x08 && // deflate compression
- p[3] == 0x00) { // no header flags
- // 'pos' is the offset of the start of a gzip chunk.
- size_t chunk_offset = pos;
-
- *num_chunks += 3;
- *chunks = realloc(*chunks, *num_chunks * sizeof(ImageChunk));
- ImageChunk* curr = *chunks + (*num_chunks-3);
-
- // create a normal chunk for the header.
- curr->start = pos;
- curr->type = CHUNK_NORMAL;
- curr->len = GZIP_HEADER_LEN;
- curr->data = p;
- curr->I = NULL;
-
- pos += curr->len;
- p += curr->len;
- ++curr;
-
- curr->type = CHUNK_DEFLATE;
- curr->filename = NULL;
- curr->I = NULL;
-
- // We must decompress this chunk in order to discover where it
- // ends, and so we can put the uncompressed data and its length
- // into curr->data and curr->len.
-
- size_t allocated = 32768;
- curr->len = 0;
- curr->data = malloc(allocated);
- curr->start = pos;
- curr->deflate_data = p;
-
- z_stream strm;
- strm.zalloc = Z_NULL;
- strm.zfree = Z_NULL;
- strm.opaque = Z_NULL;
- strm.avail_in = st.st_size - pos;
- strm.next_in = p;
-
- // -15 means we are decoding a 'raw' deflate stream; zlib will
- // not expect zlib headers.
- int ret = inflateInit2(&strm, -15);
-
- do {
- strm.avail_out = allocated - curr->len;
- strm.next_out = curr->data + curr->len;
- ret = inflate(&strm, Z_NO_FLUSH);
- if (ret < 0) {
- printf("Error: inflate failed [%s] at file offset [%zu]\n"
- "imgdiff only supports gzip kernel compression,"
- " did you try CONFIG_KERNEL_LZO?\n",
- strm.msg, chunk_offset);
- free(img);
- return NULL;
- }
- curr->len = allocated - strm.avail_out;
- if (strm.avail_out == 0) {
- allocated *= 2;
- curr->data = realloc(curr->data, allocated);
- }
- } while (ret != Z_STREAM_END);
-
- curr->deflate_len = st.st_size - strm.avail_in - pos;
- inflateEnd(&strm);
- pos += curr->deflate_len;
- p += curr->deflate_len;
- ++curr;
-
- // create a normal chunk for the footer
-
- curr->type = CHUNK_NORMAL;
- curr->start = pos;
- curr->len = GZIP_FOOTER_LEN;
- curr->data = img+pos;
- curr->I = NULL;
-
- pos += curr->len;
- p += curr->len;
- ++curr;
-
- // The footer (that we just skipped over) contains the size of
- // the uncompressed data. Double-check to make sure that it
- // matches the size of the data we got when we actually did
- // the decompression.
- size_t footer_size = Read4(p-4);
- if (footer_size != curr[-2].len) {
- printf("Error: footer size %d != decompressed size %d\n",
- footer_size, curr[-2].len);
- free(img);
- return NULL;
- }
- } else {
- // Reallocate the list for every chunk; we expect the number of
- // chunks to be small (5 for typical boot and recovery images).
- ++*num_chunks;
- *chunks = realloc(*chunks, *num_chunks * sizeof(ImageChunk));
- ImageChunk* curr = *chunks + (*num_chunks-1);
- curr->start = pos;
- curr->I = NULL;
-
- // 'pos' is not the offset of the start of a gzip chunk, so scan
- // forward until we find a gzip header.
- curr->type = CHUNK_NORMAL;
- curr->data = p;
-
- for (curr->len = 0; curr->len < (st.st_size - pos); ++curr->len) {
- if (p[curr->len] == 0x1f &&
- p[curr->len+1] == 0x8b &&
- p[curr->len+2] == 0x08 &&
- p[curr->len+3] == 0x00) {
- break;
- }
- }
- pos += curr->len;
- }
- }
-
- return img;
-}
-
-#define BUFFER_SIZE 32768
-
-/*
- * Takes the uncompressed data stored in the chunk, compresses it
- * using the zlib parameters stored in the chunk, and checks that it
- * matches exactly the compressed data we started with (also stored in
- * the chunk). Return 0 on success.
- */
-int TryReconstruction(ImageChunk* chunk, unsigned char* out) {
- size_t p = 0;
-
-#if 0
- printf("trying %d %d %d %d %d\n",
- chunk->level, chunk->method, chunk->windowBits,
- chunk->memLevel, chunk->strategy);
-#endif
-
- z_stream strm;
- strm.zalloc = Z_NULL;
- strm.zfree = Z_NULL;
- strm.opaque = Z_NULL;
- strm.avail_in = chunk->len;
- strm.next_in = chunk->data;
- int ret;
- ret = deflateInit2(&strm, chunk->level, chunk->method, chunk->windowBits,
- chunk->memLevel, chunk->strategy);
- do {
- strm.avail_out = BUFFER_SIZE;
- strm.next_out = out;
- ret = deflate(&strm, Z_FINISH);
- size_t have = BUFFER_SIZE - strm.avail_out;
-
- if (memcmp(out, chunk->deflate_data+p, have) != 0) {
- // mismatch; data isn't the same.
- deflateEnd(&strm);
- return -1;
- }
- p += have;
- } while (ret != Z_STREAM_END);
- deflateEnd(&strm);
- if (p != chunk->deflate_len) {
- // mismatch; ran out of data before we should have.
- return -1;
- }
- return 0;
-}
-
-/*
- * Verify that we can reproduce exactly the same compressed data that
- * we started with. Sets the level, method, windowBits, memLevel, and
- * strategy fields in the chunk to the encoding parameters needed to
- * produce the right output. Returns 0 on success.
- */
-int ReconstructDeflateChunk(ImageChunk* chunk) {
- if (chunk->type != CHUNK_DEFLATE) {
- printf("attempt to reconstruct non-deflate chunk\n");
- return -1;
- }
-
- size_t p = 0;
- unsigned char* out = malloc(BUFFER_SIZE);
-
- // We only check two combinations of encoder parameters: level 6
- // (the default) and level 9 (the maximum).
- for (chunk->level = 6; chunk->level <= 9; chunk->level += 3) {
- chunk->windowBits = -15; // 32kb window; negative to indicate a raw stream.
- chunk->memLevel = 8; // the default value.
- chunk->method = Z_DEFLATED;
- chunk->strategy = Z_DEFAULT_STRATEGY;
-
- if (TryReconstruction(chunk, out) == 0) {
- free(out);
- return 0;
- }
- }
-
- free(out);
- return -1;
-}
-
-/*
- * Given source and target chunks, compute a bsdiff patch between them
- * by running bsdiff in a subprocess. Return the patch data, placing
- * its length in *size. Return NULL on failure. We expect the bsdiff
- * program to be in the path.
- */
-unsigned char* MakePatch(ImageChunk* src, ImageChunk* tgt, size_t* size) {
- if (tgt->type == CHUNK_NORMAL) {
- if (tgt->len <= 160) {
- tgt->type = CHUNK_RAW;
- *size = tgt->len;
- return tgt->data;
- }
- }
-
- char ptemp[] = "/tmp/imgdiff-patch-XXXXXX";
- mkstemp(ptemp);
-
- int r = bsdiff(src->data, src->len, &(src->I), tgt->data, tgt->len, ptemp);
- if (r != 0) {
- printf("bsdiff() failed: %d\n", r);
- return NULL;
- }
-
- struct stat st;
- if (stat(ptemp, &st) != 0) {
- printf("failed to stat patch file %s: %s\n",
- ptemp, strerror(errno));
- return NULL;
- }
-
- unsigned char* data = malloc(st.st_size);
-
- if (tgt->type == CHUNK_NORMAL && tgt->len <= st.st_size) {
- unlink(ptemp);
-
- tgt->type = CHUNK_RAW;
- *size = tgt->len;
- return tgt->data;
- }
-
- *size = st.st_size;
-
- FILE* f = fopen(ptemp, "rb");
- if (f == NULL) {
- printf("failed to open patch %s: %s\n", ptemp, strerror(errno));
- return NULL;
- }
- if (fread(data, 1, st.st_size, f) != st.st_size) {
- printf("failed to read patch %s: %s\n", ptemp, strerror(errno));
- return NULL;
- }
- fclose(f);
-
- unlink(ptemp);
-
- tgt->source_start = src->start;
- switch (tgt->type) {
- case CHUNK_NORMAL:
- tgt->source_len = src->len;
- break;
- case CHUNK_DEFLATE:
- tgt->source_len = src->deflate_len;
- tgt->source_uncompressed_len = src->len;
- break;
- }
-
- return data;
-}
-
-/*
- * Cause a gzip chunk to be treated as a normal chunk (ie, as a blob
- * of uninterpreted data). The resulting patch will likely be about
- * as big as the target file, but it lets us handle the case of images
- * where some gzip chunks are reconstructible but others aren't (by
- * treating the ones that aren't as normal chunks).
- */
-void ChangeDeflateChunkToNormal(ImageChunk* ch) {
- if (ch->type != CHUNK_DEFLATE) return;
- ch->type = CHUNK_NORMAL;
- free(ch->data);
- ch->data = ch->deflate_data;
- ch->len = ch->deflate_len;
-}
-
-/*
- * Return true if the data in the chunk is identical (including the
- * compressed representation, for gzip chunks).
- */
-int AreChunksEqual(ImageChunk* a, ImageChunk* b) {
- if (a->type != b->type) return 0;
-
- switch (a->type) {
- case CHUNK_NORMAL:
- return a->len == b->len && memcmp(a->data, b->data, a->len) == 0;
-
- case CHUNK_DEFLATE:
- return a->deflate_len == b->deflate_len &&
- memcmp(a->deflate_data, b->deflate_data, a->deflate_len) == 0;
-
- default:
- printf("unknown chunk type %d\n", a->type);
- return 0;
- }
-}
-
-/*
- * Look for runs of adjacent normal chunks and compress them down into
- * a single chunk. (Such runs can be produced when deflate chunks are
- * changed to normal chunks.)
- */
-void MergeAdjacentNormalChunks(ImageChunk* chunks, int* num_chunks) {
- int out = 0;
- int in_start = 0, in_end;
- while (in_start < *num_chunks) {
- if (chunks[in_start].type != CHUNK_NORMAL) {
- in_end = in_start+1;
- } else {
- // in_start is a normal chunk. Look for a run of normal chunks
- // that constitute a solid block of data (ie, each chunk begins
- // where the previous one ended).
- for (in_end = in_start+1;
- in_end < *num_chunks && chunks[in_end].type == CHUNK_NORMAL &&
- (chunks[in_end].start ==
- chunks[in_end-1].start + chunks[in_end-1].len &&
- chunks[in_end].data ==
- chunks[in_end-1].data + chunks[in_end-1].len);
- ++in_end);
- }
-
- if (in_end == in_start+1) {
-#if 0
- printf("chunk %d is now %d\n", in_start, out);
-#endif
- if (out != in_start) {
- memcpy(chunks+out, chunks+in_start, sizeof(ImageChunk));
- }
- } else {
-#if 0
- printf("collapse normal chunks %d-%d into %d\n", in_start, in_end-1, out);
-#endif
-
- // Merge chunks [in_start, in_end-1] into one chunk. Since the
- // data member of each chunk is just a pointer into an in-memory
- // copy of the file, this can be done without recopying (the
- // output chunk has the first chunk's start location and data
- // pointer, and length equal to the sum of the input chunk
- // lengths).
- chunks[out].type = CHUNK_NORMAL;
- chunks[out].start = chunks[in_start].start;
- chunks[out].data = chunks[in_start].data;
- chunks[out].len = chunks[in_end-1].len +
- (chunks[in_end-1].start - chunks[in_start].start);
- }
-
- ++out;
- in_start = in_end;
- }
- *num_chunks = out;
-}
-
-ImageChunk* FindChunkByName(const char* name,
- ImageChunk* chunks, int num_chunks) {
- int i;
- for (i = 0; i < num_chunks; ++i) {
- if (chunks[i].type == CHUNK_DEFLATE && chunks[i].filename &&
- strcmp(name, chunks[i].filename) == 0) {
- return chunks+i;
- }
- }
- return NULL;
-}
-
-void DumpChunks(ImageChunk* chunks, int num_chunks) {
- int i;
- for (i = 0; i < num_chunks; ++i) {
- printf("chunk %d: type %d start %d len %d\n",
- i, chunks[i].type, chunks[i].start, chunks[i].len);
- }
-}
-
-int main(int argc, char** argv) {
- int zip_mode = 0;
-
- if (argc >= 2 && strcmp(argv[1], "-z") == 0) {
- zip_mode = 1;
- --argc;
- ++argv;
- }
-
- size_t bonus_size = 0;
- unsigned char* bonus_data = NULL;
- if (argc >= 3 && strcmp(argv[1], "-b") == 0) {
- struct stat st;
- if (stat(argv[2], &st) != 0) {
- printf("failed to stat bonus file %s: %s\n", argv[2], strerror(errno));
- return 1;
- }
- bonus_size = st.st_size;
- bonus_data = malloc(bonus_size);
- FILE* f = fopen(argv[2], "rb");
- if (f == NULL) {
- printf("failed to open bonus file %s: %s\n", argv[2], strerror(errno));
- return 1;
- }
- if (fread(bonus_data, 1, bonus_size, f) != bonus_size) {
- printf("failed to read bonus file %s: %s\n", argv[2], strerror(errno));
- return 1;
- }
- fclose(f);
-
- argc -= 2;
- argv += 2;
- }
-
- if (argc != 4) {
- usage:
- printf("usage: %s [-z] [-b <bonus-file>] <src-img> <tgt-img> <patch-file>\n",
- argv[0]);
- return 2;
- }
-
- int num_src_chunks;
- ImageChunk* src_chunks;
- int num_tgt_chunks;
- ImageChunk* tgt_chunks;
- int i;
-
- if (zip_mode) {
- if (ReadZip(argv[1], &num_src_chunks, &src_chunks, 1) == NULL) {
- printf("failed to break apart source zip file\n");
- return 1;
- }
- if (ReadZip(argv[2], &num_tgt_chunks, &tgt_chunks, 0) == NULL) {
- printf("failed to break apart target zip file\n");
- return 1;
- }
- } else {
- if (ReadImage(argv[1], &num_src_chunks, &src_chunks) == NULL) {
- printf("failed to break apart source image\n");
- return 1;
- }
- if (ReadImage(argv[2], &num_tgt_chunks, &tgt_chunks) == NULL) {
- printf("failed to break apart target image\n");
- return 1;
- }
-
- // Verify that the source and target images have the same chunk
- // structure (ie, the same sequence of deflate and normal chunks).
-
- if (!zip_mode) {
- // Merge the gzip header and footer in with any adjacent
- // normal chunks.
- MergeAdjacentNormalChunks(tgt_chunks, &num_tgt_chunks);
- MergeAdjacentNormalChunks(src_chunks, &num_src_chunks);
- }
-
- if (num_src_chunks != num_tgt_chunks) {
- printf("source and target don't have same number of chunks!\n");
- printf("source chunks:\n");
- DumpChunks(src_chunks, num_src_chunks);
- printf("target chunks:\n");
- DumpChunks(tgt_chunks, num_tgt_chunks);
- return 1;
- }
- for (i = 0; i < num_src_chunks; ++i) {
- if (src_chunks[i].type != tgt_chunks[i].type) {
- printf("source and target don't have same chunk "
- "structure! (chunk %d)\n", i);
- printf("source chunks:\n");
- DumpChunks(src_chunks, num_src_chunks);
- printf("target chunks:\n");
- DumpChunks(tgt_chunks, num_tgt_chunks);
- return 1;
- }
- }
- }
-
- for (i = 0; i < num_tgt_chunks; ++i) {
- if (tgt_chunks[i].type == CHUNK_DEFLATE) {
- // Confirm that given the uncompressed chunk data in the target, we
- // can recompress it and get exactly the same bits as are in the
- // input target image. If this fails, treat the chunk as a normal
- // non-deflated chunk.
- if (ReconstructDeflateChunk(tgt_chunks+i) < 0) {
- printf("failed to reconstruct target deflate chunk %d [%s]; "
- "treating as normal\n", i, tgt_chunks[i].filename);
- ChangeDeflateChunkToNormal(tgt_chunks+i);
- if (zip_mode) {
- ImageChunk* src = FindChunkByName(tgt_chunks[i].filename, src_chunks, num_src_chunks);
- if (src) {
- ChangeDeflateChunkToNormal(src);
- }
- } else {
- ChangeDeflateChunkToNormal(src_chunks+i);
- }
- continue;
- }
-
- // If two deflate chunks are identical (eg, the kernel has not
- // changed between two builds), treat them as normal chunks.
- // This makes applypatch much faster -- it can apply a trivial
- // patch to the compressed data, rather than uncompressing and
- // recompressing to apply the trivial patch to the uncompressed
- // data.
- ImageChunk* src;
- if (zip_mode) {
- src = FindChunkByName(tgt_chunks[i].filename, src_chunks, num_src_chunks);
- } else {
- src = src_chunks+i;
- }
-
- if (src == NULL || AreChunksEqual(tgt_chunks+i, src)) {
- ChangeDeflateChunkToNormal(tgt_chunks+i);
- if (src) {
- ChangeDeflateChunkToNormal(src);
- }
- }
- }
- }
-
- // Merging neighboring normal chunks.
- if (zip_mode) {
- // For zips, we only need to do this to the target: deflated
- // chunks are matched via filename, and normal chunks are patched
- // using the entire source file as the source.
- MergeAdjacentNormalChunks(tgt_chunks, &num_tgt_chunks);
- } else {
- // For images, we need to maintain the parallel structure of the
- // chunk lists, so do the merging in both the source and target
- // lists.
- MergeAdjacentNormalChunks(tgt_chunks, &num_tgt_chunks);
- MergeAdjacentNormalChunks(src_chunks, &num_src_chunks);
- if (num_src_chunks != num_tgt_chunks) {
- // This shouldn't happen.
- printf("merging normal chunks went awry\n");
- return 1;
- }
- }
-
- // Compute bsdiff patches for each chunk's data (the uncompressed
- // data, in the case of deflate chunks).
-
- DumpChunks(src_chunks, num_src_chunks);
-
- printf("Construct patches for %d chunks...\n", num_tgt_chunks);
- unsigned char** patch_data = malloc(num_tgt_chunks * sizeof(unsigned char*));
- size_t* patch_size = malloc(num_tgt_chunks * sizeof(size_t));
- for (i = 0; i < num_tgt_chunks; ++i) {
- if (zip_mode) {
- ImageChunk* src;
- if (tgt_chunks[i].type == CHUNK_DEFLATE &&
- (src = FindChunkByName(tgt_chunks[i].filename, src_chunks,
- num_src_chunks))) {
- patch_data[i] = MakePatch(src, tgt_chunks+i, patch_size+i);
- } else {
- patch_data[i] = MakePatch(src_chunks, tgt_chunks+i, patch_size+i);
- }
- } else {
- if (i == 1 && bonus_data) {
- printf(" using %d bytes of bonus data for chunk %d\n", bonus_size, i);
- src_chunks[i].data = realloc(src_chunks[i].data, src_chunks[i].len + bonus_size);
- memcpy(src_chunks[i].data+src_chunks[i].len, bonus_data, bonus_size);
- src_chunks[i].len += bonus_size;
- }
-
- patch_data[i] = MakePatch(src_chunks+i, tgt_chunks+i, patch_size+i);
- }
- printf("patch %3d is %d bytes (of %d)\n",
- i, patch_size[i], tgt_chunks[i].source_len);
- }
-
- // Figure out how big the imgdiff file header is going to be, so
- // that we can correctly compute the offset of each bsdiff patch
- // within the file.
-
- size_t total_header_size = 12;
- for (i = 0; i < num_tgt_chunks; ++i) {
- total_header_size += 4;
- switch (tgt_chunks[i].type) {
- case CHUNK_NORMAL:
- total_header_size += 8*3;
- break;
- case CHUNK_DEFLATE:
- total_header_size += 8*5 + 4*5;
- break;
- case CHUNK_RAW:
- total_header_size += 4 + patch_size[i];
- break;
- }
- }
-
- size_t offset = total_header_size;
-
- FILE* f = fopen(argv[3], "wb");
-
- // Write out the headers.
-
- fwrite("IMGDIFF2", 1, 8, f);
- Write4(num_tgt_chunks, f);
- for (i = 0; i < num_tgt_chunks; ++i) {
- Write4(tgt_chunks[i].type, f);
-
- switch (tgt_chunks[i].type) {
- case CHUNK_NORMAL:
- printf("chunk %3d: normal (%10d, %10d) %10d\n", i,
- tgt_chunks[i].start, tgt_chunks[i].len, patch_size[i]);
- Write8(tgt_chunks[i].source_start, f);
- Write8(tgt_chunks[i].source_len, f);
- Write8(offset, f);
- offset += patch_size[i];
- break;
-
- case CHUNK_DEFLATE:
- printf("chunk %3d: deflate (%10d, %10d) %10d %s\n", i,
- tgt_chunks[i].start, tgt_chunks[i].deflate_len, patch_size[i],
- tgt_chunks[i].filename);
- Write8(tgt_chunks[i].source_start, f);
- Write8(tgt_chunks[i].source_len, f);
- Write8(offset, f);
- Write8(tgt_chunks[i].source_uncompressed_len, f);
- Write8(tgt_chunks[i].len, f);
- Write4(tgt_chunks[i].level, f);
- Write4(tgt_chunks[i].method, f);
- Write4(tgt_chunks[i].windowBits, f);
- Write4(tgt_chunks[i].memLevel, f);
- Write4(tgt_chunks[i].strategy, f);
- offset += patch_size[i];
- break;
-
- case CHUNK_RAW:
- printf("chunk %3d: raw (%10d, %10d)\n", i,
- tgt_chunks[i].start, tgt_chunks[i].len);
- Write4(patch_size[i], f);
- fwrite(patch_data[i], 1, patch_size[i], f);
- break;
- }
- }
-
- // Append each chunk's bsdiff patch, in order.
-
- for (i = 0; i < num_tgt_chunks; ++i) {
- if (tgt_chunks[i].type != CHUNK_RAW) {
- fwrite(patch_data[i], 1, patch_size[i], f);
- }
- }
-
- fclose(f);
-
- return 0;
-}
diff --git a/applypatch/imgdiff.cpp b/applypatch/imgdiff.cpp
new file mode 100644
index 0000000..f22502e
--- /dev/null
+++ b/applypatch/imgdiff.cpp
@@ -0,0 +1,1083 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * This program constructs binary patches for images -- such as boot.img
+ * and recovery.img -- that consist primarily of large chunks of gzipped
+ * data interspersed with uncompressed data. Doing a naive bsdiff of
+ * these files is not useful because small changes in the data lead to
+ * large changes in the compressed bitstream; bsdiff patches of gzipped
+ * data are typically as large as the data itself.
+ *
+ * To patch these usefully, we break the source and target images up into
+ * chunks of two types: "normal" and "gzip". Normal chunks are simply
+ * patched using a plain bsdiff. Gzip chunks are first expanded, then a
+ * bsdiff is applied to the uncompressed data, then the patched data is
+ * gzipped using the same encoder parameters. Patched chunks are
+ * concatenated together to create the output file; the output image
+ * should be *exactly* the same series of bytes as the target image used
+ * originally to generate the patch.
+ *
+ * To work well with this tool, the gzipped sections of the target
+ * image must have been generated using the same deflate encoder that
+ * is available in applypatch, namely, the one in the zlib library.
+ * In practice this means that images should be compressed using the
+ * "minigzip" tool included in the zlib distribution, not the GNU gzip
+ * program.
+ *
+ * An "imgdiff" patch consists of a header describing the chunk structure
+ * of the file and any encoding parameters needed for the gzipped
+ * chunks, followed by N bsdiff patches, one per chunk.
+ *
+ * For a diff to be generated, the source and target images must have the
+ * same "chunk" structure: that is, the same number of gzipped and normal
+ * chunks in the same order. Android boot and recovery images currently
+ * consist of five chunks: a small normal header, a gzipped kernel, a
+ * small normal section, a gzipped ramdisk, and finally a small normal
+ * footer.
+ *
+ * Caveats: we locate gzipped sections within the source and target
+ * images by searching for the byte sequence 1f8b0800: 1f8b is the gzip
+ * magic number; 08 specifies the "deflate" encoding [the only encoding
+ * supported by the gzip standard]; and 00 is the flags byte. We do not
+ * currently support any extra header fields (which would be indicated by
+ * a nonzero flags byte). We also don't handle the case when that byte
+ * sequence appears spuriously in the file. (Note that it would have to
+ * occur spuriously within a normal chunk to be a problem.)
+ *
+ *
+ * The imgdiff patch header looks like this:
+ *
+ * "IMGDIFF1" (8) [magic number and version]
+ * chunk count (4)
+ * for each chunk:
+ * chunk type (4) [CHUNK_{NORMAL, GZIP, DEFLATE, RAW}]
+ * if chunk type == CHUNK_NORMAL:
+ * source start (8)
+ * source len (8)
+ * bsdiff patch offset (8) [from start of patch file]
+ * if chunk type == CHUNK_GZIP: (version 1 only)
+ * source start (8)
+ * source len (8)
+ * bsdiff patch offset (8) [from start of patch file]
+ * source expanded len (8) [size of uncompressed source]
+ * target expected len (8) [size of uncompressed target]
+ * gzip level (4)
+ * method (4)
+ * windowBits (4)
+ * memLevel (4)
+ * strategy (4)
+ * gzip header len (4)
+ * gzip header (gzip header len)
+ * gzip footer (8)
+ * if chunk type == CHUNK_DEFLATE: (version 2 only)
+ * source start (8)
+ * source len (8)
+ * bsdiff patch offset (8) [from start of patch file]
+ * source expanded len (8) [size of uncompressed source]
+ * target expected len (8) [size of uncompressed target]
+ * gzip level (4)
+ * method (4)
+ * windowBits (4)
+ * memLevel (4)
+ * strategy (4)
+ * if chunk type == RAW: (version 2 only)
+ * target len (4)
+ * data (target len)
+ *
+ * All integers are little-endian. "source start" and "source len"
+ * specify the section of the input image that comprises this chunk,
+ * including the gzip header and footer for gzip chunks. "source
+ * expanded len" is the size of the uncompressed source data. "target
+ * expected len" is the size of the uncompressed data after applying
+ * the bsdiff patch. The next five parameters specify the zlib
+ * parameters to be used when compressing the patched data, and the
+ * next three specify the header and footer to be wrapped around the
+ * compressed data to create the output chunk (so that header contents
+ * like the timestamp are recreated exactly).
+ *
+ * After the header there are 'chunk count' bsdiff patches; the offset
+ * of each from the beginning of the file is specified in the header.
+ *
+ * This tool can take an optional file of "bonus data". This is an
+ * extra file of data that is appended to chunk #1 after it is
+ * compressed (it must be a CHUNK_DEFLATE chunk). The same file must
+ * be available (and passed to applypatch with -b) when applying the
+ * patch. This is used to reduce the size of recovery-from-boot
+ * patches by combining the boot image with recovery ramdisk
+ * information that is stored on the system partition.
+ */
+
+#include <errno.h>
+#include <inttypes.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+#include "zlib.h"
+#include "imgdiff.h"
+#include "utils.h"
+
+typedef struct {
+ int type; // CHUNK_NORMAL, CHUNK_DEFLATE
+ size_t start; // offset of chunk in original image file
+
+ size_t len;
+ unsigned char* data; // data to be patched (uncompressed, for deflate chunks)
+
+ size_t source_start;
+ size_t source_len;
+
+ off_t* I; // used by bsdiff
+
+ // --- for CHUNK_DEFLATE chunks only: ---
+
+ // original (compressed) deflate data
+ size_t deflate_len;
+ unsigned char* deflate_data;
+
+ char* filename; // used for zip entries
+
+ // deflate encoder parameters
+ int level, method, windowBits, memLevel, strategy;
+
+ size_t source_uncompressed_len;
+} ImageChunk;
+
+typedef struct {
+ int data_offset;
+ int deflate_len;
+ int uncomp_len;
+ char* filename;
+} ZipFileEntry;
+
+static int fileentry_compare(const void* a, const void* b) {
+ int ao = ((ZipFileEntry*)a)->data_offset;
+ int bo = ((ZipFileEntry*)b)->data_offset;
+ if (ao < bo) {
+ return -1;
+ } else if (ao > bo) {
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+// from bsdiff.c
+int bsdiff(u_char* old, off_t oldsize, off_t** IP, u_char* newdata, off_t newsize,
+ const char* patch_filename);
+
+unsigned char* ReadZip(const char* filename,
+ int* num_chunks, ImageChunk** chunks,
+ int include_pseudo_chunk) {
+ struct stat st;
+ if (stat(filename, &st) != 0) {
+ printf("failed to stat \"%s\": %s\n", filename, strerror(errno));
+ return NULL;
+ }
+
+ size_t sz = static_cast<size_t>(st.st_size);
+ unsigned char* img = reinterpret_cast<unsigned char*>(malloc(sz));
+ FILE* f = fopen(filename, "rb");
+ if (fread(img, 1, sz, f) != sz) {
+ printf("failed to read \"%s\" %s\n", filename, strerror(errno));
+ fclose(f);
+ return NULL;
+ }
+ fclose(f);
+
+ // look for the end-of-central-directory record.
+
+ int i;
+ for (i = st.st_size-20; i >= 0 && i > st.st_size - 65600; --i) {
+ if (img[i] == 0x50 && img[i+1] == 0x4b &&
+ img[i+2] == 0x05 && img[i+3] == 0x06) {
+ break;
+ }
+ }
+ // double-check: this archive consists of a single "disk"
+ if (!(img[i+4] == 0 && img[i+5] == 0 && img[i+6] == 0 && img[i+7] == 0)) {
+ printf("can't process multi-disk archive\n");
+ return NULL;
+ }
+
+ int cdcount = Read2(img+i+8);
+ int cdoffset = Read4(img+i+16);
+
+ ZipFileEntry* temp_entries = reinterpret_cast<ZipFileEntry*>(malloc(
+ cdcount * sizeof(ZipFileEntry)));
+ int entrycount = 0;
+
+ unsigned char* cd = img+cdoffset;
+ for (i = 0; i < cdcount; ++i) {
+ if (!(cd[0] == 0x50 && cd[1] == 0x4b && cd[2] == 0x01 && cd[3] == 0x02)) {
+ printf("bad central directory entry %d\n", i);
+ return NULL;
+ }
+
+ int clen = Read4(cd+20); // compressed len
+ int ulen = Read4(cd+24); // uncompressed len
+ int nlen = Read2(cd+28); // filename len
+ int xlen = Read2(cd+30); // extra field len
+ int mlen = Read2(cd+32); // file comment len
+ int hoffset = Read4(cd+42); // local header offset
+
+ char* filename = reinterpret_cast<char*>(malloc(nlen+1));
+ memcpy(filename, cd+46, nlen);
+ filename[nlen] = '\0';
+
+ int method = Read2(cd+10);
+
+ cd += 46 + nlen + xlen + mlen;
+
+ if (method != 8) { // 8 == deflate
+ free(filename);
+ continue;
+ }
+
+ unsigned char* lh = img + hoffset;
+
+ if (!(lh[0] == 0x50 && lh[1] == 0x4b && lh[2] == 0x03 && lh[3] == 0x04)) {
+ printf("bad local file header entry %d\n", i);
+ return NULL;
+ }
+
+ if (Read2(lh+26) != nlen || memcmp(lh+30, filename, nlen) != 0) {
+ printf("central dir filename doesn't match local header\n");
+ return NULL;
+ }
+
+ xlen = Read2(lh+28); // extra field len; might be different from CD entry?
+
+ temp_entries[entrycount].data_offset = hoffset+30+nlen+xlen;
+ temp_entries[entrycount].deflate_len = clen;
+ temp_entries[entrycount].uncomp_len = ulen;
+ temp_entries[entrycount].filename = filename;
+ ++entrycount;
+ }
+
+ qsort(temp_entries, entrycount, sizeof(ZipFileEntry), fileentry_compare);
+
+#if 0
+ printf("found %d deflated entries\n", entrycount);
+ for (i = 0; i < entrycount; ++i) {
+ printf("off %10d len %10d unlen %10d %p %s\n",
+ temp_entries[i].data_offset,
+ temp_entries[i].deflate_len,
+ temp_entries[i].uncomp_len,
+ temp_entries[i].filename,
+ temp_entries[i].filename);
+ }
+#endif
+
+ *num_chunks = 0;
+ *chunks = reinterpret_cast<ImageChunk*>(malloc((entrycount*2+2) * sizeof(ImageChunk)));
+ ImageChunk* curr = *chunks;
+
+ if (include_pseudo_chunk) {
+ curr->type = CHUNK_NORMAL;
+ curr->start = 0;
+ curr->len = st.st_size;
+ curr->data = img;
+ curr->filename = NULL;
+ curr->I = NULL;
+ ++curr;
+ ++*num_chunks;
+ }
+
+ int pos = 0;
+ int nextentry = 0;
+
+ while (pos < st.st_size) {
+ if (nextentry < entrycount && pos == temp_entries[nextentry].data_offset) {
+ curr->type = CHUNK_DEFLATE;
+ curr->start = pos;
+ curr->deflate_len = temp_entries[nextentry].deflate_len;
+ curr->deflate_data = img + pos;
+ curr->filename = temp_entries[nextentry].filename;
+ curr->I = NULL;
+
+ curr->len = temp_entries[nextentry].uncomp_len;
+ curr->data = reinterpret_cast<unsigned char*>(malloc(curr->len));
+
+ z_stream strm;
+ strm.zalloc = Z_NULL;
+ strm.zfree = Z_NULL;
+ strm.opaque = Z_NULL;
+ strm.avail_in = curr->deflate_len;
+ strm.next_in = curr->deflate_data;
+
+ // -15 means we are decoding a 'raw' deflate stream; zlib will
+ // not expect zlib headers.
+ int ret = inflateInit2(&strm, -15);
+
+ strm.avail_out = curr->len;
+ strm.next_out = curr->data;
+ ret = inflate(&strm, Z_NO_FLUSH);
+ if (ret != Z_STREAM_END) {
+ printf("failed to inflate \"%s\"; %d\n", curr->filename, ret);
+ return NULL;
+ }
+
+ inflateEnd(&strm);
+
+ pos += curr->deflate_len;
+ ++nextentry;
+ ++*num_chunks;
+ ++curr;
+ continue;
+ }
+
+ // use a normal chunk to take all the data up to the start of the
+ // next deflate section.
+
+ curr->type = CHUNK_NORMAL;
+ curr->start = pos;
+ if (nextentry < entrycount) {
+ curr->len = temp_entries[nextentry].data_offset - pos;
+ } else {
+ curr->len = st.st_size - pos;
+ }
+ curr->data = img + pos;
+ curr->filename = NULL;
+ curr->I = NULL;
+ pos += curr->len;
+
+ ++*num_chunks;
+ ++curr;
+ }
+
+ free(temp_entries);
+ return img;
+}
+
+/*
+ * Read the given file and break it up into chunks, putting the number
+ * of chunks and their info in *num_chunks and **chunks,
+ * respectively. Returns a malloc'd block of memory containing the
+ * contents of the file; various pointers in the output chunk array
+ * will point into this block of memory. The caller should free the
+ * return value when done with all the chunks. Returns NULL on
+ * failure.
+ */
+unsigned char* ReadImage(const char* filename,
+ int* num_chunks, ImageChunk** chunks) {
+ struct stat st;
+ if (stat(filename, &st) != 0) {
+ printf("failed to stat \"%s\": %s\n", filename, strerror(errno));
+ return NULL;
+ }
+
+ size_t sz = static_cast<size_t>(st.st_size);
+ unsigned char* img = reinterpret_cast<unsigned char*>(malloc(sz + 4));
+ FILE* f = fopen(filename, "rb");
+ if (fread(img, 1, sz, f) != sz) {
+ printf("failed to read \"%s\" %s\n", filename, strerror(errno));
+ fclose(f);
+ return NULL;
+ }
+ fclose(f);
+
+ // append 4 zero bytes to the data so we can always search for the
+ // four-byte string 1f8b0800 starting at any point in the actual
+ // file data, without special-casing the end of the data.
+ memset(img+sz, 0, 4);
+
+ size_t pos = 0;
+
+ *num_chunks = 0;
+ *chunks = NULL;
+
+ while (pos < sz) {
+ unsigned char* p = img+pos;
+
+ bool processed_deflate = false;
+ if (sz - pos >= 4 &&
+ p[0] == 0x1f && p[1] == 0x8b &&
+ p[2] == 0x08 && // deflate compression
+ p[3] == 0x00) { // no header flags
+ // 'pos' is the offset of the start of a gzip chunk.
+ size_t chunk_offset = pos;
+
+ *num_chunks += 3;
+ *chunks = reinterpret_cast<ImageChunk*>(realloc(*chunks,
+ *num_chunks * sizeof(ImageChunk)));
+ ImageChunk* curr = *chunks + (*num_chunks-3);
+
+ // create a normal chunk for the header.
+ curr->start = pos;
+ curr->type = CHUNK_NORMAL;
+ curr->len = GZIP_HEADER_LEN;
+ curr->data = p;
+ curr->I = NULL;
+
+ pos += curr->len;
+ p += curr->len;
+ ++curr;
+
+ curr->type = CHUNK_DEFLATE;
+ curr->filename = NULL;
+ curr->I = NULL;
+
+ // We must decompress this chunk in order to discover where it
+ // ends, and so we can put the uncompressed data and its length
+ // into curr->data and curr->len.
+
+ size_t allocated = 32768;
+ curr->len = 0;
+ curr->data = reinterpret_cast<unsigned char*>(malloc(allocated));
+ curr->start = pos;
+ curr->deflate_data = p;
+
+ z_stream strm;
+ strm.zalloc = Z_NULL;
+ strm.zfree = Z_NULL;
+ strm.opaque = Z_NULL;
+ strm.avail_in = sz - pos;
+ strm.next_in = p;
+
+ // -15 means we are decoding a 'raw' deflate stream; zlib will
+ // not expect zlib headers.
+ int ret = inflateInit2(&strm, -15);
+
+ do {
+ strm.avail_out = allocated - curr->len;
+ strm.next_out = curr->data + curr->len;
+ ret = inflate(&strm, Z_NO_FLUSH);
+ if (ret < 0) {
+ if (!processed_deflate) {
+ // This is the first chunk, assume that it's just a spurious
+ // gzip header instead of a real one.
+ break;
+ }
+ printf("Error: inflate failed [%s] at file offset [%zu]\n"
+ "imgdiff only supports gzip kernel compression,"
+ " did you try CONFIG_KERNEL_LZO?\n",
+ strm.msg, chunk_offset);
+ free(img);
+ return NULL;
+ }
+ curr->len = allocated - strm.avail_out;
+ if (strm.avail_out == 0) {
+ allocated *= 2;
+ curr->data = reinterpret_cast<unsigned char*>(realloc(curr->data, allocated));
+ }
+ processed_deflate = true;
+ } while (ret != Z_STREAM_END);
+
+ curr->deflate_len = sz - strm.avail_in - pos;
+ inflateEnd(&strm);
+ pos += curr->deflate_len;
+ p += curr->deflate_len;
+ ++curr;
+
+ // create a normal chunk for the footer
+
+ curr->type = CHUNK_NORMAL;
+ curr->start = pos;
+ curr->len = GZIP_FOOTER_LEN;
+ curr->data = img+pos;
+ curr->I = NULL;
+
+ pos += curr->len;
+ p += curr->len;
+ ++curr;
+
+ // The footer (that we just skipped over) contains the size of
+ // the uncompressed data. Double-check to make sure that it
+ // matches the size of the data we got when we actually did
+ // the decompression.
+ size_t footer_size = Read4(p-4);
+ if (footer_size != curr[-2].len) {
+ printf("Error: footer size %zu != decompressed size %zu\n",
+ footer_size, curr[-2].len);
+ free(img);
+ return NULL;
+ }
+ } else {
+ // Reallocate the list for every chunk; we expect the number of
+ // chunks to be small (5 for typical boot and recovery images).
+ ++*num_chunks;
+ *chunks = reinterpret_cast<ImageChunk*>(realloc(*chunks, *num_chunks * sizeof(ImageChunk)));
+ ImageChunk* curr = *chunks + (*num_chunks-1);
+ curr->start = pos;
+ curr->I = NULL;
+
+ // 'pos' is not the offset of the start of a gzip chunk, so scan
+ // forward until we find a gzip header.
+ curr->type = CHUNK_NORMAL;
+ curr->data = p;
+
+ for (curr->len = 0; curr->len < (sz - pos); ++curr->len) {
+ if (p[curr->len] == 0x1f &&
+ p[curr->len+1] == 0x8b &&
+ p[curr->len+2] == 0x08 &&
+ p[curr->len+3] == 0x00) {
+ break;
+ }
+ }
+ pos += curr->len;
+ }
+ }
+
+ return img;
+}
+
+#define BUFFER_SIZE 32768
+
+/*
+ * Takes the uncompressed data stored in the chunk, compresses it
+ * using the zlib parameters stored in the chunk, and checks that it
+ * matches exactly the compressed data we started with (also stored in
+ * the chunk). Return 0 on success.
+ */
+int TryReconstruction(ImageChunk* chunk, unsigned char* out) {
+ size_t p = 0;
+
+#if 0
+ printf("trying %d %d %d %d %d\n",
+ chunk->level, chunk->method, chunk->windowBits,
+ chunk->memLevel, chunk->strategy);
+#endif
+
+ z_stream strm;
+ strm.zalloc = Z_NULL;
+ strm.zfree = Z_NULL;
+ strm.opaque = Z_NULL;
+ strm.avail_in = chunk->len;
+ strm.next_in = chunk->data;
+ int ret;
+ ret = deflateInit2(&strm, chunk->level, chunk->method, chunk->windowBits,
+ chunk->memLevel, chunk->strategy);
+ do {
+ strm.avail_out = BUFFER_SIZE;
+ strm.next_out = out;
+ ret = deflate(&strm, Z_FINISH);
+ size_t have = BUFFER_SIZE - strm.avail_out;
+
+ if (memcmp(out, chunk->deflate_data+p, have) != 0) {
+ // mismatch; data isn't the same.
+ deflateEnd(&strm);
+ return -1;
+ }
+ p += have;
+ } while (ret != Z_STREAM_END);
+ deflateEnd(&strm);
+ if (p != chunk->deflate_len) {
+ // mismatch; ran out of data before we should have.
+ return -1;
+ }
+ return 0;
+}
+
+/*
+ * Verify that we can reproduce exactly the same compressed data that
+ * we started with. Sets the level, method, windowBits, memLevel, and
+ * strategy fields in the chunk to the encoding parameters needed to
+ * produce the right output. Returns 0 on success.
+ */
+int ReconstructDeflateChunk(ImageChunk* chunk) {
+ if (chunk->type != CHUNK_DEFLATE) {
+ printf("attempt to reconstruct non-deflate chunk\n");
+ return -1;
+ }
+
+ size_t p = 0;
+ unsigned char* out = reinterpret_cast<unsigned char*>(malloc(BUFFER_SIZE));
+
+ // We only check two combinations of encoder parameters: level 6
+ // (the default) and level 9 (the maximum).
+ for (chunk->level = 6; chunk->level <= 9; chunk->level += 3) {
+ chunk->windowBits = -15; // 32kb window; negative to indicate a raw stream.
+ chunk->memLevel = 8; // the default value.
+ chunk->method = Z_DEFLATED;
+ chunk->strategy = Z_DEFAULT_STRATEGY;
+
+ if (TryReconstruction(chunk, out) == 0) {
+ free(out);
+ return 0;
+ }
+ }
+
+ free(out);
+ return -1;
+}
+
+/*
+ * Given source and target chunks, compute a bsdiff patch between them
+ * by running bsdiff in a subprocess. Return the patch data, placing
+ * its length in *size. Return NULL on failure. We expect the bsdiff
+ * program to be in the path.
+ */
+unsigned char* MakePatch(ImageChunk* src, ImageChunk* tgt, size_t* size) {
+ if (tgt->type == CHUNK_NORMAL) {
+ if (tgt->len <= 160) {
+ tgt->type = CHUNK_RAW;
+ *size = tgt->len;
+ return tgt->data;
+ }
+ }
+
+ char ptemp[] = "/tmp/imgdiff-patch-XXXXXX";
+ int fd = mkstemp(ptemp);
+
+ if (fd == -1) {
+ printf("MakePatch failed to create a temporary file: %s\n",
+ strerror(errno));
+ return NULL;
+ }
+ close(fd); // temporary file is created and we don't need its file
+ // descriptor
+
+ int r = bsdiff(src->data, src->len, &(src->I), tgt->data, tgt->len, ptemp);
+ if (r != 0) {
+ printf("bsdiff() failed: %d\n", r);
+ return NULL;
+ }
+
+ struct stat st;
+ if (stat(ptemp, &st) != 0) {
+ printf("failed to stat patch file %s: %s\n",
+ ptemp, strerror(errno));
+ return NULL;
+ }
+
+ size_t sz = static_cast<size_t>(st.st_size);
+ // TODO: Memory leak on error return.
+ unsigned char* data = reinterpret_cast<unsigned char*>(malloc(sz));
+
+ if (tgt->type == CHUNK_NORMAL && tgt->len <= sz) {
+ unlink(ptemp);
+
+ tgt->type = CHUNK_RAW;
+ *size = tgt->len;
+ return tgt->data;
+ }
+
+ *size = sz;
+
+ FILE* f = fopen(ptemp, "rb");
+ if (f == NULL) {
+ printf("failed to open patch %s: %s\n", ptemp, strerror(errno));
+ return NULL;
+ }
+ if (fread(data, 1, sz, f) != sz) {
+ printf("failed to read patch %s: %s\n", ptemp, strerror(errno));
+ return NULL;
+ }
+ fclose(f);
+
+ unlink(ptemp);
+
+ tgt->source_start = src->start;
+ switch (tgt->type) {
+ case CHUNK_NORMAL:
+ tgt->source_len = src->len;
+ break;
+ case CHUNK_DEFLATE:
+ tgt->source_len = src->deflate_len;
+ tgt->source_uncompressed_len = src->len;
+ break;
+ }
+
+ return data;
+}
+
+/*
+ * Cause a gzip chunk to be treated as a normal chunk (ie, as a blob
+ * of uninterpreted data). The resulting patch will likely be about
+ * as big as the target file, but it lets us handle the case of images
+ * where some gzip chunks are reconstructible but others aren't (by
+ * treating the ones that aren't as normal chunks).
+ */
+void ChangeDeflateChunkToNormal(ImageChunk* ch) {
+ if (ch->type != CHUNK_DEFLATE) return;
+ ch->type = CHUNK_NORMAL;
+ free(ch->data);
+ ch->data = ch->deflate_data;
+ ch->len = ch->deflate_len;
+}
+
+/*
+ * Return true if the data in the chunk is identical (including the
+ * compressed representation, for gzip chunks).
+ */
+int AreChunksEqual(ImageChunk* a, ImageChunk* b) {
+ if (a->type != b->type) return 0;
+
+ switch (a->type) {
+ case CHUNK_NORMAL:
+ return a->len == b->len && memcmp(a->data, b->data, a->len) == 0;
+
+ case CHUNK_DEFLATE:
+ return a->deflate_len == b->deflate_len &&
+ memcmp(a->deflate_data, b->deflate_data, a->deflate_len) == 0;
+
+ default:
+ printf("unknown chunk type %d\n", a->type);
+ return 0;
+ }
+}
+
+/*
+ * Look for runs of adjacent normal chunks and compress them down into
+ * a single chunk. (Such runs can be produced when deflate chunks are
+ * changed to normal chunks.)
+ */
+void MergeAdjacentNormalChunks(ImageChunk* chunks, int* num_chunks) {
+ int out = 0;
+ int in_start = 0, in_end;
+ while (in_start < *num_chunks) {
+ if (chunks[in_start].type != CHUNK_NORMAL) {
+ in_end = in_start+1;
+ } else {
+ // in_start is a normal chunk. Look for a run of normal chunks
+ // that constitute a solid block of data (ie, each chunk begins
+ // where the previous one ended).
+ for (in_end = in_start+1;
+ in_end < *num_chunks && chunks[in_end].type == CHUNK_NORMAL &&
+ (chunks[in_end].start ==
+ chunks[in_end-1].start + chunks[in_end-1].len &&
+ chunks[in_end].data ==
+ chunks[in_end-1].data + chunks[in_end-1].len);
+ ++in_end);
+ }
+
+ if (in_end == in_start+1) {
+#if 0
+ printf("chunk %d is now %d\n", in_start, out);
+#endif
+ if (out != in_start) {
+ memcpy(chunks+out, chunks+in_start, sizeof(ImageChunk));
+ }
+ } else {
+#if 0
+ printf("collapse normal chunks %d-%d into %d\n", in_start, in_end-1, out);
+#endif
+
+ // Merge chunks [in_start, in_end-1] into one chunk. Since the
+ // data member of each chunk is just a pointer into an in-memory
+ // copy of the file, this can be done without recopying (the
+ // output chunk has the first chunk's start location and data
+ // pointer, and length equal to the sum of the input chunk
+ // lengths).
+ chunks[out].type = CHUNK_NORMAL;
+ chunks[out].start = chunks[in_start].start;
+ chunks[out].data = chunks[in_start].data;
+ chunks[out].len = chunks[in_end-1].len +
+ (chunks[in_end-1].start - chunks[in_start].start);
+ }
+
+ ++out;
+ in_start = in_end;
+ }
+ *num_chunks = out;
+}
+
+ImageChunk* FindChunkByName(const char* name,
+ ImageChunk* chunks, int num_chunks) {
+ int i;
+ for (i = 0; i < num_chunks; ++i) {
+ if (chunks[i].type == CHUNK_DEFLATE && chunks[i].filename &&
+ strcmp(name, chunks[i].filename) == 0) {
+ return chunks+i;
+ }
+ }
+ return NULL;
+}
+
+void DumpChunks(ImageChunk* chunks, int num_chunks) {
+ for (int i = 0; i < num_chunks; ++i) {
+ printf("chunk %d: type %d start %zu len %zu\n",
+ i, chunks[i].type, chunks[i].start, chunks[i].len);
+ }
+}
+
+int main(int argc, char** argv) {
+ int zip_mode = 0;
+
+ if (argc >= 2 && strcmp(argv[1], "-z") == 0) {
+ zip_mode = 1;
+ --argc;
+ ++argv;
+ }
+
+ size_t bonus_size = 0;
+ unsigned char* bonus_data = NULL;
+ if (argc >= 3 && strcmp(argv[1], "-b") == 0) {
+ struct stat st;
+ if (stat(argv[2], &st) != 0) {
+ printf("failed to stat bonus file %s: %s\n", argv[2], strerror(errno));
+ return 1;
+ }
+ bonus_size = st.st_size;
+ bonus_data = reinterpret_cast<unsigned char*>(malloc(bonus_size));
+ FILE* f = fopen(argv[2], "rb");
+ if (f == NULL) {
+ printf("failed to open bonus file %s: %s\n", argv[2], strerror(errno));
+ return 1;
+ }
+ if (fread(bonus_data, 1, bonus_size, f) != bonus_size) {
+ printf("failed to read bonus file %s: %s\n", argv[2], strerror(errno));
+ return 1;
+ }
+ fclose(f);
+
+ argc -= 2;
+ argv += 2;
+ }
+
+ if (argc != 4) {
+ usage:
+ printf("usage: %s [-z] [-b <bonus-file>] <src-img> <tgt-img> <patch-file>\n",
+ argv[0]);
+ return 2;
+ }
+
+ int num_src_chunks;
+ ImageChunk* src_chunks;
+ int num_tgt_chunks;
+ ImageChunk* tgt_chunks;
+ int i;
+
+ if (zip_mode) {
+ if (ReadZip(argv[1], &num_src_chunks, &src_chunks, 1) == NULL) {
+ printf("failed to break apart source zip file\n");
+ return 1;
+ }
+ if (ReadZip(argv[2], &num_tgt_chunks, &tgt_chunks, 0) == NULL) {
+ printf("failed to break apart target zip file\n");
+ return 1;
+ }
+ } else {
+ if (ReadImage(argv[1], &num_src_chunks, &src_chunks) == NULL) {
+ printf("failed to break apart source image\n");
+ return 1;
+ }
+ if (ReadImage(argv[2], &num_tgt_chunks, &tgt_chunks) == NULL) {
+ printf("failed to break apart target image\n");
+ return 1;
+ }
+
+ // Verify that the source and target images have the same chunk
+ // structure (ie, the same sequence of deflate and normal chunks).
+
+ if (!zip_mode) {
+ // Merge the gzip header and footer in with any adjacent
+ // normal chunks.
+ MergeAdjacentNormalChunks(tgt_chunks, &num_tgt_chunks);
+ MergeAdjacentNormalChunks(src_chunks, &num_src_chunks);
+ }
+
+ if (num_src_chunks != num_tgt_chunks) {
+ printf("source and target don't have same number of chunks!\n");
+ printf("source chunks:\n");
+ DumpChunks(src_chunks, num_src_chunks);
+ printf("target chunks:\n");
+ DumpChunks(tgt_chunks, num_tgt_chunks);
+ return 1;
+ }
+ for (i = 0; i < num_src_chunks; ++i) {
+ if (src_chunks[i].type != tgt_chunks[i].type) {
+ printf("source and target don't have same chunk "
+ "structure! (chunk %d)\n", i);
+ printf("source chunks:\n");
+ DumpChunks(src_chunks, num_src_chunks);
+ printf("target chunks:\n");
+ DumpChunks(tgt_chunks, num_tgt_chunks);
+ return 1;
+ }
+ }
+ }
+
+ for (i = 0; i < num_tgt_chunks; ++i) {
+ if (tgt_chunks[i].type == CHUNK_DEFLATE) {
+ // Confirm that given the uncompressed chunk data in the target, we
+ // can recompress it and get exactly the same bits as are in the
+ // input target image. If this fails, treat the chunk as a normal
+ // non-deflated chunk.
+ if (ReconstructDeflateChunk(tgt_chunks+i) < 0) {
+ printf("failed to reconstruct target deflate chunk %d [%s]; "
+ "treating as normal\n", i, tgt_chunks[i].filename);
+ ChangeDeflateChunkToNormal(tgt_chunks+i);
+ if (zip_mode) {
+ ImageChunk* src = FindChunkByName(tgt_chunks[i].filename, src_chunks, num_src_chunks);
+ if (src) {
+ ChangeDeflateChunkToNormal(src);
+ }
+ } else {
+ ChangeDeflateChunkToNormal(src_chunks+i);
+ }
+ continue;
+ }
+
+ // If two deflate chunks are identical (eg, the kernel has not
+ // changed between two builds), treat them as normal chunks.
+ // This makes applypatch much faster -- it can apply a trivial
+ // patch to the compressed data, rather than uncompressing and
+ // recompressing to apply the trivial patch to the uncompressed
+ // data.
+ ImageChunk* src;
+ if (zip_mode) {
+ src = FindChunkByName(tgt_chunks[i].filename, src_chunks, num_src_chunks);
+ } else {
+ src = src_chunks+i;
+ }
+
+ if (src == NULL || AreChunksEqual(tgt_chunks+i, src)) {
+ ChangeDeflateChunkToNormal(tgt_chunks+i);
+ if (src) {
+ ChangeDeflateChunkToNormal(src);
+ }
+ }
+ }
+ }
+
+ // Merging neighboring normal chunks.
+ if (zip_mode) {
+ // For zips, we only need to do this to the target: deflated
+ // chunks are matched via filename, and normal chunks are patched
+ // using the entire source file as the source.
+ MergeAdjacentNormalChunks(tgt_chunks, &num_tgt_chunks);
+ } else {
+ // For images, we need to maintain the parallel structure of the
+ // chunk lists, so do the merging in both the source and target
+ // lists.
+ MergeAdjacentNormalChunks(tgt_chunks, &num_tgt_chunks);
+ MergeAdjacentNormalChunks(src_chunks, &num_src_chunks);
+ if (num_src_chunks != num_tgt_chunks) {
+ // This shouldn't happen.
+ printf("merging normal chunks went awry\n");
+ return 1;
+ }
+ }
+
+ // Compute bsdiff patches for each chunk's data (the uncompressed
+ // data, in the case of deflate chunks).
+
+ DumpChunks(src_chunks, num_src_chunks);
+
+ printf("Construct patches for %d chunks...\n", num_tgt_chunks);
+ unsigned char** patch_data = reinterpret_cast<unsigned char**>(malloc(
+ num_tgt_chunks * sizeof(unsigned char*)));
+ size_t* patch_size = reinterpret_cast<size_t*>(malloc(num_tgt_chunks * sizeof(size_t)));
+ for (i = 0; i < num_tgt_chunks; ++i) {
+ if (zip_mode) {
+ ImageChunk* src;
+ if (tgt_chunks[i].type == CHUNK_DEFLATE &&
+ (src = FindChunkByName(tgt_chunks[i].filename, src_chunks,
+ num_src_chunks))) {
+ patch_data[i] = MakePatch(src, tgt_chunks+i, patch_size+i);
+ } else {
+ patch_data[i] = MakePatch(src_chunks, tgt_chunks+i, patch_size+i);
+ }
+ } else {
+ if (i == 1 && bonus_data) {
+ printf(" using %zu bytes of bonus data for chunk %d\n", bonus_size, i);
+ src_chunks[i].data = reinterpret_cast<unsigned char*>(realloc(src_chunks[i].data,
+ src_chunks[i].len + bonus_size));
+ memcpy(src_chunks[i].data+src_chunks[i].len, bonus_data, bonus_size);
+ src_chunks[i].len += bonus_size;
+ }
+
+ patch_data[i] = MakePatch(src_chunks+i, tgt_chunks+i, patch_size+i);
+ }
+ printf("patch %3d is %zu bytes (of %zu)\n",
+ i, patch_size[i], tgt_chunks[i].source_len);
+ }
+
+ // Figure out how big the imgdiff file header is going to be, so
+ // that we can correctly compute the offset of each bsdiff patch
+ // within the file.
+
+ size_t total_header_size = 12;
+ for (i = 0; i < num_tgt_chunks; ++i) {
+ total_header_size += 4;
+ switch (tgt_chunks[i].type) {
+ case CHUNK_NORMAL:
+ total_header_size += 8*3;
+ break;
+ case CHUNK_DEFLATE:
+ total_header_size += 8*5 + 4*5;
+ break;
+ case CHUNK_RAW:
+ total_header_size += 4 + patch_size[i];
+ break;
+ }
+ }
+
+ size_t offset = total_header_size;
+
+ FILE* f = fopen(argv[3], "wb");
+
+ // Write out the headers.
+
+ fwrite("IMGDIFF2", 1, 8, f);
+ Write4(num_tgt_chunks, f);
+ for (i = 0; i < num_tgt_chunks; ++i) {
+ Write4(tgt_chunks[i].type, f);
+
+ switch (tgt_chunks[i].type) {
+ case CHUNK_NORMAL:
+ printf("chunk %3d: normal (%10zu, %10zu) %10zu\n", i,
+ tgt_chunks[i].start, tgt_chunks[i].len, patch_size[i]);
+ Write8(tgt_chunks[i].source_start, f);
+ Write8(tgt_chunks[i].source_len, f);
+ Write8(offset, f);
+ offset += patch_size[i];
+ break;
+
+ case CHUNK_DEFLATE:
+ printf("chunk %3d: deflate (%10zu, %10zu) %10zu %s\n", i,
+ tgt_chunks[i].start, tgt_chunks[i].deflate_len, patch_size[i],
+ tgt_chunks[i].filename);
+ Write8(tgt_chunks[i].source_start, f);
+ Write8(tgt_chunks[i].source_len, f);
+ Write8(offset, f);
+ Write8(tgt_chunks[i].source_uncompressed_len, f);
+ Write8(tgt_chunks[i].len, f);
+ Write4(tgt_chunks[i].level, f);
+ Write4(tgt_chunks[i].method, f);
+ Write4(tgt_chunks[i].windowBits, f);
+ Write4(tgt_chunks[i].memLevel, f);
+ Write4(tgt_chunks[i].strategy, f);
+ offset += patch_size[i];
+ break;
+
+ case CHUNK_RAW:
+ printf("chunk %3d: raw (%10zu, %10zu)\n", i,
+ tgt_chunks[i].start, tgt_chunks[i].len);
+ Write4(patch_size[i], f);
+ fwrite(patch_data[i], 1, patch_size[i], f);
+ break;
+ }
+ }
+
+ // Append each chunk's bsdiff patch, in order.
+
+ for (i = 0; i < num_tgt_chunks; ++i) {
+ if (tgt_chunks[i].type != CHUNK_RAW) {
+ fwrite(patch_data[i], 1, patch_size[i], f);
+ }
+ }
+
+ fclose(f);
+
+ return 0;
+}
diff --git a/applypatch/imgpatch.c b/applypatch/imgpatch.c
deleted file mode 100644
index 09b0a73..0000000
--- a/applypatch/imgpatch.c
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// See imgdiff.c in this directory for a description of the patch file
-// format.
-
-#include <stdio.h>
-#include <sys/cdefs.h>
-#include <sys/stat.h>
-#include <errno.h>
-#include <malloc.h>
-#include <unistd.h>
-#include <string.h>
-
-#include "zlib.h"
-#include "mincrypt/sha.h"
-#include "applypatch.h"
-#include "imgdiff.h"
-#include "utils.h"
-
-/*
- * Apply the patch given in 'patch_filename' to the source data given
- * by (old_data, old_size). Write the patched output to the 'output'
- * file, and update the SHA context with the output data as well.
- * Return 0 on success.
- */
-int ApplyImagePatch(const unsigned char* old_data, ssize_t old_size __unused,
- const Value* patch,
- SinkFn sink, void* token, SHA_CTX* ctx,
- const Value* bonus_data) {
- ssize_t pos = 12;
- char* header = patch->data;
- if (patch->size < 12) {
- printf("patch too short to contain header\n");
- return -1;
- }
-
- // IMGDIFF2 uses CHUNK_NORMAL, CHUNK_DEFLATE, and CHUNK_RAW.
- // (IMGDIFF1, which is no longer supported, used CHUNK_NORMAL and
- // CHUNK_GZIP.)
- if (memcmp(header, "IMGDIFF2", 8) != 0) {
- printf("corrupt patch file header (magic number)\n");
- return -1;
- }
-
- int num_chunks = Read4(header+8);
-
- int i;
- for (i = 0; i < num_chunks; ++i) {
- // each chunk's header record starts with 4 bytes.
- if (pos + 4 > patch->size) {
- printf("failed to read chunk %d record\n", i);
- return -1;
- }
- int type = Read4(patch->data + pos);
- pos += 4;
-
- if (type == CHUNK_NORMAL) {
- char* normal_header = patch->data + pos;
- pos += 24;
- if (pos > patch->size) {
- printf("failed to read chunk %d normal header data\n", i);
- return -1;
- }
-
- size_t src_start = Read8(normal_header);
- size_t src_len = Read8(normal_header+8);
- size_t patch_offset = Read8(normal_header+16);
-
- ApplyBSDiffPatch(old_data + src_start, src_len,
- patch, patch_offset, sink, token, ctx);
- } else if (type == CHUNK_RAW) {
- char* raw_header = patch->data + pos;
- pos += 4;
- if (pos > patch->size) {
- printf("failed to read chunk %d raw header data\n", i);
- return -1;
- }
-
- ssize_t data_len = Read4(raw_header);
-
- if (pos + data_len > patch->size) {
- printf("failed to read chunk %d raw data\n", i);
- return -1;
- }
- if (ctx) SHA_update(ctx, patch->data + pos, data_len);
- if (sink((unsigned char*)patch->data + pos,
- data_len, token) != data_len) {
- printf("failed to write chunk %d raw data\n", i);
- return -1;
- }
- pos += data_len;
- } else if (type == CHUNK_DEFLATE) {
- // deflate chunks have an additional 60 bytes in their chunk header.
- char* deflate_header = patch->data + pos;
- pos += 60;
- if (pos > patch->size) {
- printf("failed to read chunk %d deflate header data\n", i);
- return -1;
- }
-
- size_t src_start = Read8(deflate_header);
- size_t src_len = Read8(deflate_header+8);
- size_t patch_offset = Read8(deflate_header+16);
- size_t expanded_len = Read8(deflate_header+24);
- size_t target_len = Read8(deflate_header+32);
- int level = Read4(deflate_header+40);
- int method = Read4(deflate_header+44);
- int windowBits = Read4(deflate_header+48);
- int memLevel = Read4(deflate_header+52);
- int strategy = Read4(deflate_header+56);
-
- // Decompress the source data; the chunk header tells us exactly
- // how big we expect it to be when decompressed.
-
- // Note: expanded_len will include the bonus data size if
- // the patch was constructed with bonus data. The
- // deflation will come up 'bonus_size' bytes short; these
- // must be appended from the bonus_data value.
- size_t bonus_size = (i == 1 && bonus_data != NULL) ? bonus_data->size : 0;
-
- unsigned char* expanded_source = malloc(expanded_len);
- if (expanded_source == NULL) {
- printf("failed to allocate %zu bytes for expanded_source\n",
- expanded_len);
- return -1;
- }
-
- z_stream strm;
- strm.zalloc = Z_NULL;
- strm.zfree = Z_NULL;
- strm.opaque = Z_NULL;
- strm.avail_in = src_len;
- strm.next_in = (unsigned char*)(old_data + src_start);
- strm.avail_out = expanded_len;
- strm.next_out = expanded_source;
-
- int ret;
- ret = inflateInit2(&strm, -15);
- if (ret != Z_OK) {
- printf("failed to init source inflation: %d\n", ret);
- return -1;
- }
-
- // Because we've provided enough room to accommodate the output
- // data, we expect one call to inflate() to suffice.
- ret = inflate(&strm, Z_SYNC_FLUSH);
- if (ret != Z_STREAM_END) {
- printf("source inflation returned %d\n", ret);
- return -1;
- }
- // We should have filled the output buffer exactly, except
- // for the bonus_size.
- if (strm.avail_out != bonus_size) {
- printf("source inflation short by %zu bytes\n", strm.avail_out-bonus_size);
- return -1;
- }
- inflateEnd(&strm);
-
- if (bonus_size) {
- memcpy(expanded_source + (expanded_len - bonus_size),
- bonus_data->data, bonus_size);
- }
-
- // Next, apply the bsdiff patch (in memory) to the uncompressed
- // data.
- unsigned char* uncompressed_target_data;
- ssize_t uncompressed_target_size;
- if (ApplyBSDiffPatchMem(expanded_source, expanded_len,
- patch, patch_offset,
- &uncompressed_target_data,
- &uncompressed_target_size) != 0) {
- return -1;
- }
-
- // Now compress the target data and append it to the output.
-
- // we're done with the expanded_source data buffer, so we'll
- // reuse that memory to receive the output of deflate.
- unsigned char* temp_data = expanded_source;
- ssize_t temp_size = expanded_len;
- if (temp_size < 32768) {
- // ... unless the buffer is too small, in which case we'll
- // allocate a fresh one.
- free(temp_data);
- temp_data = malloc(32768);
- temp_size = 32768;
- }
-
- // now the deflate stream
- strm.zalloc = Z_NULL;
- strm.zfree = Z_NULL;
- strm.opaque = Z_NULL;
- strm.avail_in = uncompressed_target_size;
- strm.next_in = uncompressed_target_data;
- ret = deflateInit2(&strm, level, method, windowBits, memLevel, strategy);
- do {
- strm.avail_out = temp_size;
- strm.next_out = temp_data;
- ret = deflate(&strm, Z_FINISH);
- ssize_t have = temp_size - strm.avail_out;
-
- if (sink(temp_data, have, token) != have) {
- printf("failed to write %ld compressed bytes to output\n",
- (long)have);
- return -1;
- }
- if (ctx) SHA_update(ctx, temp_data, have);
- } while (ret != Z_STREAM_END);
- deflateEnd(&strm);
-
- free(temp_data);
- free(uncompressed_target_data);
- } else {
- printf("patch chunk %d is unknown type %d\n", i, type);
- return -1;
- }
- }
-
- return 0;
-}
diff --git a/applypatch/imgpatch.cpp b/applypatch/imgpatch.cpp
new file mode 100644
index 0000000..8824038
--- /dev/null
+++ b/applypatch/imgpatch.cpp
@@ -0,0 +1,240 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// See imgdiff.c in this directory for a description of the patch file
+// format.
+
+#include <stdio.h>
+#include <sys/cdefs.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <vector>
+
+#include "zlib.h"
+#include "openssl/sha.h"
+#include "applypatch.h"
+#include "imgdiff.h"
+#include "utils.h"
+
+int ApplyImagePatch(const unsigned char* old_data, ssize_t old_size,
+ const unsigned char* patch_data, ssize_t patch_size,
+ SinkFn sink, void* token) {
+ Value patch = {VAL_BLOB, patch_size,
+ reinterpret_cast<char*>(const_cast<unsigned char*>(patch_data))};
+ return ApplyImagePatch(
+ old_data, old_size, &patch, sink, token, nullptr, nullptr);
+}
+
+/*
+ * Apply the patch given in 'patch_filename' to the source data given
+ * by (old_data, old_size). Write the patched output to the 'output'
+ * file, and update the SHA context with the output data as well.
+ * Return 0 on success.
+ */
+int ApplyImagePatch(const unsigned char* old_data, ssize_t old_size,
+ const Value* patch,
+ SinkFn sink, void* token, SHA_CTX* ctx,
+ const Value* bonus_data) {
+ ssize_t pos = 12;
+ char* header = patch->data;
+ if (patch->size < 12) {
+ printf("patch too short to contain header\n");
+ return -1;
+ }
+
+ // IMGDIFF2 uses CHUNK_NORMAL, CHUNK_DEFLATE, and CHUNK_RAW.
+ // (IMGDIFF1, which is no longer supported, used CHUNK_NORMAL and
+ // CHUNK_GZIP.)
+ if (memcmp(header, "IMGDIFF2", 8) != 0) {
+ printf("corrupt patch file header (magic number)\n");
+ return -1;
+ }
+
+ int num_chunks = Read4(header+8);
+
+ int i;
+ for (i = 0; i < num_chunks; ++i) {
+ // each chunk's header record starts with 4 bytes.
+ if (pos + 4 > patch->size) {
+ printf("failed to read chunk %d record\n", i);
+ return -1;
+ }
+ int type = Read4(patch->data + pos);
+ pos += 4;
+
+ if (type == CHUNK_NORMAL) {
+ char* normal_header = patch->data + pos;
+ pos += 24;
+ if (pos > patch->size) {
+ printf("failed to read chunk %d normal header data\n", i);
+ return -1;
+ }
+
+ size_t src_start = Read8(normal_header);
+ size_t src_len = Read8(normal_header+8);
+ size_t patch_offset = Read8(normal_header+16);
+
+ if (src_start + src_len > static_cast<size_t>(old_size)) {
+ printf("source data too short\n");
+ return -1;
+ }
+ ApplyBSDiffPatch(old_data + src_start, src_len,
+ patch, patch_offset, sink, token, ctx);
+ } else if (type == CHUNK_RAW) {
+ char* raw_header = patch->data + pos;
+ pos += 4;
+ if (pos > patch->size) {
+ printf("failed to read chunk %d raw header data\n", i);
+ return -1;
+ }
+
+ ssize_t data_len = Read4(raw_header);
+
+ if (pos + data_len > patch->size) {
+ printf("failed to read chunk %d raw data\n", i);
+ return -1;
+ }
+ if (ctx) SHA1_Update(ctx, patch->data + pos, data_len);
+ if (sink((unsigned char*)patch->data + pos,
+ data_len, token) != data_len) {
+ printf("failed to write chunk %d raw data\n", i);
+ return -1;
+ }
+ pos += data_len;
+ } else if (type == CHUNK_DEFLATE) {
+ // deflate chunks have an additional 60 bytes in their chunk header.
+ char* deflate_header = patch->data + pos;
+ pos += 60;
+ if (pos > patch->size) {
+ printf("failed to read chunk %d deflate header data\n", i);
+ return -1;
+ }
+
+ size_t src_start = Read8(deflate_header);
+ size_t src_len = Read8(deflate_header+8);
+ size_t patch_offset = Read8(deflate_header+16);
+ size_t expanded_len = Read8(deflate_header+24);
+ int level = Read4(deflate_header+40);
+ int method = Read4(deflate_header+44);
+ int windowBits = Read4(deflate_header+48);
+ int memLevel = Read4(deflate_header+52);
+ int strategy = Read4(deflate_header+56);
+
+ if (src_start + src_len > static_cast<size_t>(old_size)) {
+ printf("source data too short\n");
+ return -1;
+ }
+
+ // Decompress the source data; the chunk header tells us exactly
+ // how big we expect it to be when decompressed.
+
+ // Note: expanded_len will include the bonus data size if
+ // the patch was constructed with bonus data. The
+ // deflation will come up 'bonus_size' bytes short; these
+ // must be appended from the bonus_data value.
+ size_t bonus_size = (i == 1 && bonus_data != NULL) ? bonus_data->size : 0;
+
+ std::vector<unsigned char> expanded_source(expanded_len);
+ z_stream strm;
+ strm.zalloc = Z_NULL;
+ strm.zfree = Z_NULL;
+ strm.opaque = Z_NULL;
+ strm.avail_in = src_len;
+ strm.next_in = (unsigned char*)(old_data + src_start);
+ strm.avail_out = expanded_len;
+ strm.next_out = expanded_source.data();
+
+ int ret;
+ ret = inflateInit2(&strm, -15);
+ if (ret != Z_OK) {
+ printf("failed to init source inflation: %d\n", ret);
+ return -1;
+ }
+
+ // Because we've provided enough room to accommodate the output
+ // data, we expect one call to inflate() to suffice.
+ ret = inflate(&strm, Z_SYNC_FLUSH);
+ if (ret != Z_STREAM_END) {
+ printf("source inflation returned %d\n", ret);
+ return -1;
+ }
+ // We should have filled the output buffer exactly, except
+ // for the bonus_size.
+ if (strm.avail_out != bonus_size) {
+ printf("source inflation short by %zu bytes\n", strm.avail_out-bonus_size);
+ return -1;
+ }
+ inflateEnd(&strm);
+
+ if (bonus_size) {
+ memcpy(expanded_source.data() + (expanded_len - bonus_size),
+ bonus_data->data, bonus_size);
+ }
+
+ // Next, apply the bsdiff patch (in memory) to the uncompressed
+ // data.
+ std::vector<unsigned char> uncompressed_target_data;
+ if (ApplyBSDiffPatchMem(expanded_source.data(), expanded_len,
+ patch, patch_offset,
+ &uncompressed_target_data) != 0) {
+ return -1;
+ }
+
+ // Now compress the target data and append it to the output.
+
+ // we're done with the expanded_source data buffer, so we'll
+ // reuse that memory to receive the output of deflate.
+ if (expanded_source.size() < 32768U) {
+ expanded_source.resize(32768U);
+ }
+ std::vector<unsigned char>& temp_data = expanded_source;
+
+ // now the deflate stream
+ strm.zalloc = Z_NULL;
+ strm.zfree = Z_NULL;
+ strm.opaque = Z_NULL;
+ strm.avail_in = uncompressed_target_data.size();
+ strm.next_in = uncompressed_target_data.data();
+ ret = deflateInit2(&strm, level, method, windowBits, memLevel, strategy);
+ if (ret != Z_OK) {
+ printf("failed to init uncompressed data deflation: %d\n", ret);
+ return -1;
+ }
+ do {
+ strm.avail_out = temp_data.size();
+ strm.next_out = temp_data.data();
+ ret = deflate(&strm, Z_FINISH);
+ ssize_t have = temp_data.size() - strm.avail_out;
+
+ if (sink(temp_data.data(), have, token) != have) {
+ printf("failed to write %ld compressed bytes to output\n",
+ (long)have);
+ return -1;
+ }
+ if (ctx) SHA1_Update(ctx, temp_data.data(), have);
+ } while (ret != Z_STREAM_END);
+ deflateEnd(&strm);
+ } else {
+ printf("patch chunk %d is unknown type %d\n", i, type);
+ return -1;
+ }
+ }
+
+ return 0;
+}
diff --git a/applypatch/include/applypatch/imgpatch.h b/applypatch/include/applypatch/imgpatch.h
new file mode 100644
index 0000000..64d9aa9
--- /dev/null
+++ b/applypatch/include/applypatch/imgpatch.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _IMGPATCH_H
+#define _IMGPATCH_H
+
+typedef ssize_t (*SinkFn)(const unsigned char*, ssize_t, void*);
+
+int ApplyImagePatch(const unsigned char* old_data, ssize_t old_size,
+ const unsigned char* patch_data, ssize_t patch_size,
+ SinkFn sink, void* token);
+
+#endif //_IMGPATCH_H
diff --git a/applypatch/main.c b/applypatch/main.c
deleted file mode 100644
index 8e9fe80..0000000
--- a/applypatch/main.c
+++ /dev/null
@@ -1,214 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "applypatch.h"
-#include "edify/expr.h"
-#include "mincrypt/sha.h"
-
-int CheckMode(int argc, char** argv) {
- if (argc < 3) {
- return 2;
- }
- return applypatch_check(argv[2], argc-3, argv+3);
-}
-
-int SpaceMode(int argc, char** argv) {
- if (argc != 3) {
- return 2;
- }
- char* endptr;
- size_t bytes = strtol(argv[2], &endptr, 10);
- if (bytes == 0 && endptr == argv[2]) {
- printf("can't parse \"%s\" as byte count\n\n", argv[2]);
- return 1;
- }
- return CacheSizeCheck(bytes);
-}
-
-// Parse arguments (which should be of the form "<sha1>" or
-// "<sha1>:<filename>" into the new parallel arrays *sha1s and
-// *patches (loading file contents into the patches). Returns 0 on
-// success.
-static int ParsePatchArgs(int argc, char** argv,
- char*** sha1s, Value*** patches, int* num_patches) {
- *num_patches = argc;
- *sha1s = malloc(*num_patches * sizeof(char*));
- *patches = malloc(*num_patches * sizeof(Value*));
- memset(*patches, 0, *num_patches * sizeof(Value*));
-
- uint8_t digest[SHA_DIGEST_SIZE];
-
- int i;
- for (i = 0; i < *num_patches; ++i) {
- char* colon = strchr(argv[i], ':');
- if (colon != NULL) {
- *colon = '\0';
- ++colon;
- }
-
- if (ParseSha1(argv[i], digest) != 0) {
- printf("failed to parse sha1 \"%s\"\n", argv[i]);
- return -1;
- }
-
- (*sha1s)[i] = argv[i];
- if (colon == NULL) {
- (*patches)[i] = NULL;
- } else {
- FileContents fc;
- if (LoadFileContents(colon, &fc) != 0) {
- goto abort;
- }
- (*patches)[i] = malloc(sizeof(Value));
- (*patches)[i]->type = VAL_BLOB;
- (*patches)[i]->size = fc.size;
- (*patches)[i]->data = (char*)fc.data;
- }
- }
-
- return 0;
-
- abort:
- for (i = 0; i < *num_patches; ++i) {
- Value* p = (*patches)[i];
- if (p != NULL) {
- free(p->data);
- free(p);
- }
- }
- free(*sha1s);
- free(*patches);
- return -1;
-}
-
-int PatchMode(int argc, char** argv) {
- Value* bonus = NULL;
- if (argc >= 3 && strcmp(argv[1], "-b") == 0) {
- FileContents fc;
- if (LoadFileContents(argv[2], &fc) != 0) {
- printf("failed to load bonus file %s\n", argv[2]);
- return 1;
- }
- bonus = malloc(sizeof(Value));
- bonus->type = VAL_BLOB;
- bonus->size = fc.size;
- bonus->data = (char*)fc.data;
- argc -= 2;
- argv += 2;
- }
-
- if (argc < 6) {
- return 2;
- }
-
- char* endptr;
- size_t target_size = strtol(argv[4], &endptr, 10);
- if (target_size == 0 && endptr == argv[4]) {
- printf("can't parse \"%s\" as byte count\n\n", argv[4]);
- return 1;
- }
-
- char** sha1s;
- Value** patches;
- int num_patches;
- if (ParsePatchArgs(argc-5, argv+5, &sha1s, &patches, &num_patches) != 0) {
- printf("failed to parse patch args\n");
- return 1;
- }
-
- int result = applypatch(argv[1], argv[2], argv[3], target_size,
- num_patches, sha1s, patches, bonus);
-
- int i;
- for (i = 0; i < num_patches; ++i) {
- Value* p = patches[i];
- if (p != NULL) {
- free(p->data);
- free(p);
- }
- }
- if (bonus) {
- free(bonus->data);
- free(bonus);
- }
- free(sha1s);
- free(patches);
-
- return result;
-}
-
-// This program applies binary patches to files in a way that is safe
-// (the original file is not touched until we have the desired
-// replacement for it) and idempotent (it's okay to run this program
-// multiple times).
-//
-// - if the sha1 hash of <tgt-file> is <tgt-sha1>, does nothing and exits
-// successfully.
-//
-// - otherwise, if the sha1 hash of <src-file> is <src-sha1>, applies the
-// bsdiff <patch> to <src-file> to produce a new file (the type of patch
-// is automatically detected from the file header). If that new
-// file has sha1 hash <tgt-sha1>, moves it to replace <tgt-file>, and
-// exits successfully. Note that if <src-file> and <tgt-file> are
-// not the same, <src-file> is NOT deleted on success. <tgt-file>
-// may be the string "-" to mean "the same as src-file".
-//
-// - otherwise, or if any error is encountered, exits with non-zero
-// status.
-//
-// <src-file> (or <file> in check mode) may refer to an MTD partition
-// to read the source data. See the comments for the
-// LoadMTDContents() function above for the format of such a filename.
-
-int main(int argc, char** argv) {
- if (argc < 2) {
- usage:
- printf(
- "usage: %s [-b <bonus-file>] <src-file> <tgt-file> <tgt-sha1> <tgt-size> "
- "[<src-sha1>:<patch> ...]\n"
- " or %s -c <file> [<sha1> ...]\n"
- " or %s -s <bytes>\n"
- " or %s -l\n"
- "\n"
- "Filenames may be of the form\n"
- " MTD:<partition>:<len_1>:<sha1_1>:<len_2>:<sha1_2>:...\n"
- "to specify reading from or writing to an MTD partition.\n\n",
- argv[0], argv[0], argv[0], argv[0]);
- return 2;
- }
-
- int result;
-
- if (strncmp(argv[1], "-l", 3) == 0) {
- result = ShowLicenses();
- } else if (strncmp(argv[1], "-c", 3) == 0) {
- result = CheckMode(argc, argv);
- } else if (strncmp(argv[1], "-s", 3) == 0) {
- result = SpaceMode(argc, argv);
- } else {
- result = PatchMode(argc, argv);
- }
-
- if (result == 2) {
- goto usage;
- }
- return result;
-}
diff --git a/applypatch/main.cpp b/applypatch/main.cpp
new file mode 100644
index 0000000..9013760
--- /dev/null
+++ b/applypatch/main.cpp
@@ -0,0 +1,200 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <memory>
+#include <vector>
+
+#include "applypatch.h"
+#include "edify/expr.h"
+#include "openssl/sha.h"
+
+static int CheckMode(int argc, char** argv) {
+ if (argc < 3) {
+ return 2;
+ }
+ return applypatch_check(argv[2], argc-3, argv+3);
+}
+
+static int SpaceMode(int argc, char** argv) {
+ if (argc != 3) {
+ return 2;
+ }
+ char* endptr;
+ size_t bytes = strtol(argv[2], &endptr, 10);
+ if (bytes == 0 && endptr == argv[2]) {
+ printf("can't parse \"%s\" as byte count\n\n", argv[2]);
+ return 1;
+ }
+ return CacheSizeCheck(bytes);
+}
+
+// Parse arguments (which should be of the form "<sha1>:<filename>"
+// into the new parallel arrays *sha1s and *files.Returns true on
+// success.
+static bool ParsePatchArgs(int argc, char** argv, std::vector<char*>* sha1s,
+ std::vector<FileContents>* files) {
+ uint8_t digest[SHA_DIGEST_LENGTH];
+
+ for (int i = 0; i < argc; ++i) {
+ char* colon = strchr(argv[i], ':');
+ if (colon == nullptr) {
+ printf("no ':' in patch argument \"%s\"\n", argv[i]);
+ return false;
+ }
+ *colon = '\0';
+ ++colon;
+ if (ParseSha1(argv[i], digest) != 0) {
+ printf("failed to parse sha1 \"%s\"\n", argv[i]);
+ return false;
+ }
+
+ sha1s->push_back(argv[i]);
+ FileContents fc;
+ if (LoadFileContents(colon, &fc) != 0) {
+ return false;
+ }
+ files->push_back(std::move(fc));
+ }
+ return true;
+}
+
+static int FlashMode(const char* src_filename, const char* tgt_filename,
+ const char* tgt_sha1, size_t tgt_size) {
+ return applypatch_flash(src_filename, tgt_filename, tgt_sha1, tgt_size);
+}
+
+static int PatchMode(int argc, char** argv) {
+ FileContents bonusFc;
+ Value bonusValue;
+ Value* bonus = nullptr;
+
+ if (argc >= 3 && strcmp(argv[1], "-b") == 0) {
+ if (LoadFileContents(argv[2], &bonusFc) != 0) {
+ printf("failed to load bonus file %s\n", argv[2]);
+ return 1;
+ }
+ bonus = &bonusValue;
+ bonus->type = VAL_BLOB;
+ bonus->size = bonusFc.data.size();
+ bonus->data = reinterpret_cast<char*>(bonusFc.data.data());
+ argc -= 2;
+ argv += 2;
+ }
+
+ if (argc < 4) {
+ return 2;
+ }
+
+ char* endptr;
+ size_t target_size = strtol(argv[4], &endptr, 10);
+ if (target_size == 0 && endptr == argv[4]) {
+ printf("can't parse \"%s\" as byte count\n\n", argv[4]);
+ return 1;
+ }
+
+ // If no <src-sha1>:<patch> is provided, it is in flash mode.
+ if (argc == 5) {
+ if (bonus != nullptr) {
+ printf("bonus file not supported in flash mode\n");
+ return 1;
+ }
+ return FlashMode(argv[1], argv[2], argv[3], target_size);
+ }
+ std::vector<char*> sha1s;
+ std::vector<FileContents> files;
+ if (!ParsePatchArgs(argc-5, argv+5, &sha1s, &files)) {
+ printf("failed to parse patch args\n");
+ return 1;
+ }
+ std::vector<Value> patches(files.size());
+ std::vector<Value*> patch_ptrs(files.size());
+ for (size_t i = 0; i < files.size(); ++i) {
+ patches[i].type = VAL_BLOB;
+ patches[i].size = files[i].data.size();
+ patches[i].data = reinterpret_cast<char*>(files[i].data.data());
+ patch_ptrs[i] = &patches[i];
+ }
+ return applypatch(argv[1], argv[2], argv[3], target_size,
+ patch_ptrs.size(), sha1s.data(),
+ patch_ptrs.data(), bonus);
+}
+
+// This program applies binary patches to files in a way that is safe
+// (the original file is not touched until we have the desired
+// replacement for it) and idempotent (it's okay to run this program
+// multiple times).
+//
+// - if the sha1 hash of <tgt-file> is <tgt-sha1>, does nothing and exits
+// successfully.
+//
+// - otherwise, if no <src-sha1>:<patch> is provided, flashes <tgt-file> with
+// <src-file>. <tgt-file> must be a partition name, while <src-file> must
+// be a regular image file. <src-file> will not be deleted on success.
+//
+// - otherwise, if the sha1 hash of <src-file> is <src-sha1>, applies the
+// bsdiff <patch> to <src-file> to produce a new file (the type of patch
+// is automatically detected from the file header). If that new
+// file has sha1 hash <tgt-sha1>, moves it to replace <tgt-file>, and
+// exits successfully. Note that if <src-file> and <tgt-file> are
+// not the same, <src-file> is NOT deleted on success. <tgt-file>
+// may be the string "-" to mean "the same as src-file".
+//
+// - otherwise, or if any error is encountered, exits with non-zero
+// status.
+//
+// <src-file> (or <file> in check mode) may refer to an MTD partition
+// to read the source data. See the comments for the
+// LoadMTDContents() function above for the format of such a filename.
+
+int main(int argc, char** argv) {
+ if (argc < 2) {
+ usage:
+ printf(
+ "usage: %s [-b <bonus-file>] <src-file> <tgt-file> <tgt-sha1> <tgt-size> "
+ "[<src-sha1>:<patch> ...]\n"
+ " or %s -c <file> [<sha1> ...]\n"
+ " or %s -s <bytes>\n"
+ " or %s -l\n"
+ "\n"
+ "Filenames may be of the form\n"
+ " MTD:<partition>:<len_1>:<sha1_1>:<len_2>:<sha1_2>:...\n"
+ "to specify reading from or writing to an MTD partition.\n\n",
+ argv[0], argv[0], argv[0], argv[0]);
+ return 2;
+ }
+
+ int result;
+
+ if (strncmp(argv[1], "-l", 3) == 0) {
+ result = ShowLicenses();
+ } else if (strncmp(argv[1], "-c", 3) == 0) {
+ result = CheckMode(argc, argv);
+ } else if (strncmp(argv[1], "-s", 3) == 0) {
+ result = SpaceMode(argc, argv);
+ } else {
+ result = PatchMode(argc, argv);
+ }
+
+ if (result == 2) {
+ goto usage;
+ }
+ return result;
+}
diff --git a/applypatch/utils.c b/applypatch/utils.c
deleted file mode 100644
index 41ff676..0000000
--- a/applypatch/utils.c
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-
-#include "utils.h"
-
-/** Write a 4-byte value to f in little-endian order. */
-void Write4(int value, FILE* f) {
- fputc(value & 0xff, f);
- fputc((value >> 8) & 0xff, f);
- fputc((value >> 16) & 0xff, f);
- fputc((value >> 24) & 0xff, f);
-}
-
-/** Write an 8-byte value to f in little-endian order. */
-void Write8(long long value, FILE* f) {
- fputc(value & 0xff, f);
- fputc((value >> 8) & 0xff, f);
- fputc((value >> 16) & 0xff, f);
- fputc((value >> 24) & 0xff, f);
- fputc((value >> 32) & 0xff, f);
- fputc((value >> 40) & 0xff, f);
- fputc((value >> 48) & 0xff, f);
- fputc((value >> 56) & 0xff, f);
-}
-
-int Read2(void* pv) {
- unsigned char* p = pv;
- return (int)(((unsigned int)p[1] << 8) |
- (unsigned int)p[0]);
-}
-
-int Read4(void* pv) {
- unsigned char* p = pv;
- return (int)(((unsigned int)p[3] << 24) |
- ((unsigned int)p[2] << 16) |
- ((unsigned int)p[1] << 8) |
- (unsigned int)p[0]);
-}
-
-long long Read8(void* pv) {
- unsigned char* p = pv;
- return (long long)(((unsigned long long)p[7] << 56) |
- ((unsigned long long)p[6] << 48) |
- ((unsigned long long)p[5] << 40) |
- ((unsigned long long)p[4] << 32) |
- ((unsigned long long)p[3] << 24) |
- ((unsigned long long)p[2] << 16) |
- ((unsigned long long)p[1] << 8) |
- (unsigned long long)p[0]);
-}
diff --git a/applypatch/utils.cpp b/applypatch/utils.cpp
new file mode 100644
index 0000000..4a80be7
--- /dev/null
+++ b/applypatch/utils.cpp
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+
+#include "utils.h"
+
+/** Write a 4-byte value to f in little-endian order. */
+void Write4(int value, FILE* f) {
+ fputc(value & 0xff, f);
+ fputc((value >> 8) & 0xff, f);
+ fputc((value >> 16) & 0xff, f);
+ fputc((value >> 24) & 0xff, f);
+}
+
+/** Write an 8-byte value to f in little-endian order. */
+void Write8(long long value, FILE* f) {
+ fputc(value & 0xff, f);
+ fputc((value >> 8) & 0xff, f);
+ fputc((value >> 16) & 0xff, f);
+ fputc((value >> 24) & 0xff, f);
+ fputc((value >> 32) & 0xff, f);
+ fputc((value >> 40) & 0xff, f);
+ fputc((value >> 48) & 0xff, f);
+ fputc((value >> 56) & 0xff, f);
+}
+
+int Read2(void* pv) {
+ unsigned char* p = reinterpret_cast<unsigned char*>(pv);
+ return (int)(((unsigned int)p[1] << 8) |
+ (unsigned int)p[0]);
+}
+
+int Read4(void* pv) {
+ unsigned char* p = reinterpret_cast<unsigned char*>(pv);
+ return (int)(((unsigned int)p[3] << 24) |
+ ((unsigned int)p[2] << 16) |
+ ((unsigned int)p[1] << 8) |
+ (unsigned int)p[0]);
+}
+
+long long Read8(void* pv) {
+ unsigned char* p = reinterpret_cast<unsigned char*>(pv);
+ return (long long)(((unsigned long long)p[7] << 56) |
+ ((unsigned long long)p[6] << 48) |
+ ((unsigned long long)p[5] << 40) |
+ ((unsigned long long)p[4] << 32) |
+ ((unsigned long long)p[3] << 24) |
+ ((unsigned long long)p[2] << 16) |
+ ((unsigned long long)p[1] << 8) |
+ (unsigned long long)p[0]);
+}
diff --git a/bootloader.cpp b/bootloader.cpp
index 600d238..d80c5e7 100644
--- a/bootloader.cpp
+++ b/bootloader.cpp
@@ -14,28 +14,33 @@
* limitations under the License.
*/
+#include <errno.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
#include <fs_mgr.h>
+
#include "bootloader.h"
#include "common.h"
#include "mtdutils/mtdutils.h"
#include "roots.h"
+#include "unique_fd.h"
-#include <errno.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <unistd.h>
+static int get_bootloader_message_mtd(bootloader_message* out, const Volume* v);
+static int set_bootloader_message_mtd(const bootloader_message* in, const Volume* v);
+static int get_bootloader_message_block(bootloader_message* out, const Volume* v);
+static int set_bootloader_message_block(const bootloader_message* in, const Volume* v);
-static int get_bootloader_message_mtd(struct bootloader_message *out, const Volume* v);
-static int set_bootloader_message_mtd(const struct bootloader_message *in, const Volume* v);
-static int get_bootloader_message_block(struct bootloader_message *out, const Volume* v);
-static int set_bootloader_message_block(const struct bootloader_message *in, const Volume* v);
-
-int get_bootloader_message(struct bootloader_message *out) {
+int get_bootloader_message(bootloader_message* out) {
Volume* v = volume_for_path("/misc");
- if (v == NULL) {
- LOGE("Cannot load volume /misc!\n");
- return -1;
+ if (v == nullptr) {
+ LOGE("Cannot load volume /misc!\n");
+ return -1;
}
if (strcmp(v->fs_type, "mtd") == 0) {
return get_bootloader_message_mtd(out, v);
@@ -46,11 +51,11 @@
return -1;
}
-int set_bootloader_message(const struct bootloader_message *in) {
+int set_bootloader_message(const bootloader_message* in) {
Volume* v = volume_for_path("/misc");
- if (v == NULL) {
- LOGE("Cannot load volume /misc!\n");
- return -1;
+ if (v == nullptr) {
+ LOGE("Cannot load volume /misc!\n");
+ return -1;
}
if (strcmp(v->fs_type, "mtd") == 0) {
return set_bootloader_message_mtd(in, v);
@@ -68,69 +73,69 @@
static const int MISC_PAGES = 3; // number of pages to save
static const int MISC_COMMAND_PAGE = 1; // bootloader command is this page
-static int get_bootloader_message_mtd(struct bootloader_message *out,
+static int get_bootloader_message_mtd(bootloader_message* out,
const Volume* v) {
size_t write_size;
mtd_scan_partitions();
- const MtdPartition *part = mtd_find_partition_by_name(v->blk_device);
- if (part == NULL || mtd_partition_info(part, NULL, NULL, &write_size)) {
- LOGE("Can't find %s\n", v->blk_device);
+ const MtdPartition* part = mtd_find_partition_by_name(v->blk_device);
+ if (part == nullptr || mtd_partition_info(part, nullptr, nullptr, &write_size)) {
+ LOGE("failed to find \"%s\"\n", v->blk_device);
return -1;
}
- MtdReadContext *read = mtd_read_partition(part);
- if (read == NULL) {
- LOGE("Can't open %s\n(%s)\n", v->blk_device, strerror(errno));
+ MtdReadContext* read = mtd_read_partition(part);
+ if (read == nullptr) {
+ LOGE("failed to open \"%s\": %s\n", v->blk_device, strerror(errno));
return -1;
}
const ssize_t size = write_size * MISC_PAGES;
char data[size];
ssize_t r = mtd_read_data(read, data, size);
- if (r != size) LOGE("Can't read %s\n(%s)\n", v->blk_device, strerror(errno));
+ if (r != size) LOGE("failed to read \"%s\": %s\n", v->blk_device, strerror(errno));
mtd_read_close(read);
if (r != size) return -1;
memcpy(out, &data[write_size * MISC_COMMAND_PAGE], sizeof(*out));
return 0;
}
-static int set_bootloader_message_mtd(const struct bootloader_message *in,
+static int set_bootloader_message_mtd(const bootloader_message* in,
const Volume* v) {
size_t write_size;
mtd_scan_partitions();
- const MtdPartition *part = mtd_find_partition_by_name(v->blk_device);
- if (part == NULL || mtd_partition_info(part, NULL, NULL, &write_size)) {
- LOGE("Can't find %s\n", v->blk_device);
+ const MtdPartition* part = mtd_find_partition_by_name(v->blk_device);
+ if (part == nullptr || mtd_partition_info(part, nullptr, nullptr, &write_size)) {
+ LOGE("failed to find \"%s\"\n", v->blk_device);
return -1;
}
- MtdReadContext *read = mtd_read_partition(part);
- if (read == NULL) {
- LOGE("Can't open %s\n(%s)\n", v->blk_device, strerror(errno));
+ MtdReadContext* read = mtd_read_partition(part);
+ if (read == nullptr) {
+ LOGE("failed to open \"%s\": %s\n", v->blk_device, strerror(errno));
return -1;
}
ssize_t size = write_size * MISC_PAGES;
char data[size];
ssize_t r = mtd_read_data(read, data, size);
- if (r != size) LOGE("Can't read %s\n(%s)\n", v->blk_device, strerror(errno));
+ if (r != size) LOGE("failed to read \"%s\": %s\n", v->blk_device, strerror(errno));
mtd_read_close(read);
if (r != size) return -1;
memcpy(&data[write_size * MISC_COMMAND_PAGE], in, sizeof(*in));
- MtdWriteContext *write = mtd_write_partition(part);
- if (write == NULL) {
- LOGE("Can't open %s\n(%s)\n", v->blk_device, strerror(errno));
+ MtdWriteContext* write = mtd_write_partition(part);
+ if (write == nullptr) {
+ LOGE("failed to open \"%s\": %s\n", v->blk_device, strerror(errno));
return -1;
}
if (mtd_write_data(write, data, size) != size) {
- LOGE("Can't write %s\n(%s)\n", v->blk_device, strerror(errno));
+ LOGE("failed to write \"%s\": %s\n", v->blk_device, strerror(errno));
mtd_write_close(write);
return -1;
}
if (mtd_write_close(write)) {
- LOGE("Can't finish %s\n(%s)\n", v->blk_device, strerror(errno));
+ LOGE("failed to finish \"%s\": %s\n", v->blk_device, strerror(errno));
return -1;
}
@@ -146,57 +151,67 @@
static void wait_for_device(const char* fn) {
int tries = 0;
int ret;
- struct stat buf;
do {
++tries;
+ struct stat buf;
ret = stat(fn, &buf);
- if (ret) {
- printf("stat %s try %d: %s\n", fn, tries, strerror(errno));
+ if (ret == -1) {
+ printf("failed to stat \"%s\" try %d: %s\n", fn, tries, strerror(errno));
sleep(1);
}
} while (ret && tries < 10);
+
if (ret) {
- printf("failed to stat %s\n", fn);
+ printf("failed to stat \"%s\"\n", fn);
}
}
-static int get_bootloader_message_block(struct bootloader_message *out,
+static int get_bootloader_message_block(bootloader_message* out,
const Volume* v) {
wait_for_device(v->blk_device);
FILE* f = fopen(v->blk_device, "rb");
- if (f == NULL) {
- LOGE("Can't open %s\n(%s)\n", v->blk_device, strerror(errno));
+ if (f == nullptr) {
+ LOGE("failed to open \"%s\": %s\n", v->blk_device, strerror(errno));
return -1;
}
- struct bootloader_message temp;
+ bootloader_message temp;
int count = fread(&temp, sizeof(temp), 1, f);
if (count != 1) {
- LOGE("Failed reading %s\n(%s)\n", v->blk_device, strerror(errno));
+ LOGE("failed to read \"%s\": %s\n", v->blk_device, strerror(errno));
return -1;
}
if (fclose(f) != 0) {
- LOGE("Failed closing %s\n(%s)\n", v->blk_device, strerror(errno));
+ LOGE("failed to close \"%s\": %s\n", v->blk_device, strerror(errno));
return -1;
}
memcpy(out, &temp, sizeof(temp));
return 0;
}
-static int set_bootloader_message_block(const struct bootloader_message *in,
+static int set_bootloader_message_block(const bootloader_message* in,
const Volume* v) {
wait_for_device(v->blk_device);
- FILE* f = fopen(v->blk_device, "wb");
- if (f == NULL) {
- LOGE("Can't open %s\n(%s)\n", v->blk_device, strerror(errno));
+ unique_fd fd(open(v->blk_device, O_WRONLY | O_SYNC));
+ if (fd.get() == -1) {
+ LOGE("failed to open \"%s\": %s\n", v->blk_device, strerror(errno));
return -1;
}
- int count = fwrite(in, sizeof(*in), 1, f);
- if (count != 1) {
- LOGE("Failed writing %s\n(%s)\n", v->blk_device, strerror(errno));
- return -1;
+
+ size_t written = 0;
+ const uint8_t* start = reinterpret_cast<const uint8_t*>(in);
+ size_t total = sizeof(*in);
+ while (written < total) {
+ ssize_t wrote = TEMP_FAILURE_RETRY(write(fd.get(), start + written, total - written));
+ if (wrote == -1) {
+ LOGE("failed to write %" PRId64 " bytes: %s\n",
+ static_cast<off64_t>(written), strerror(errno));
+ return -1;
+ }
+ written += wrote;
}
- if (fclose(f) != 0) {
- LOGE("Failed closing %s\n(%s)\n", v->blk_device, strerror(errno));
+
+ if (fsync(fd.get()) == -1) {
+ LOGE("failed to fsync \"%s\": %s\n", v->blk_device, strerror(errno));
return -1;
}
return 0;
diff --git a/bootloader.h b/bootloader.h
index c2895dd..742a4ab 100644
--- a/bootloader.h
+++ b/bootloader.h
@@ -17,10 +17,6 @@
#ifndef _RECOVERY_BOOTLOADER_H
#define _RECOVERY_BOOTLOADER_H
-#ifdef __cplusplus
-extern "C" {
-#endif
-
/* Bootloader Message
*
* This structure describes the content of a block in flash
@@ -43,6 +39,13 @@
* multiple times, so that the UI can reflect which invocation of the
* package it is. If the value is of the format "#/#" (eg, "1/3"),
* the UI will add a simple indicator of that status.
+ *
+ * The slot_suffix field is used for A/B implementations where the
+ * bootloader does not set the androidboot.ro.boot.slot_suffix kernel
+ * commandline parameter. This is used by fs_mgr to mount /system and
+ * other partitions with the slotselect flag set in fstab. A/B
+ * implementations are free to use all 32 bytes and may store private
+ * data past the first NUL-byte in this field.
*/
struct bootloader_message {
char command[32];
@@ -55,7 +58,8 @@
// stage string (for multistage packages) and possible future
// expansion.
char stage[32];
- char reserved[224];
+ char slot_suffix[32];
+ char reserved[192];
};
/* Read and write the bootloader command from the "misc" partition.
@@ -64,8 +68,4 @@
int get_bootloader_message(struct bootloader_message *out);
int set_bootloader_message(const struct bootloader_message *in);
-#ifdef __cplusplus
-}
-#endif
-
#endif
diff --git a/common.h b/common.h
index b818ceb..de8b409 100644
--- a/common.h
+++ b/common.h
@@ -21,10 +21,6 @@
#include <stdio.h>
#include <stdarg.h>
-#ifdef __cplusplus
-extern "C" {
-#endif
-
#define LOGE(...) ui_print("E:" __VA_ARGS__)
#define LOGW(...) fprintf(stdout, "W:" __VA_ARGS__)
#define LOGI(...) fprintf(stdout, "I:" __VA_ARGS__)
@@ -50,8 +46,4 @@
bool is_ro_debuggable();
-#ifdef __cplusplus
-}
-#endif
-
#endif // RECOVERY_COMMON_H
diff --git a/device.cpp b/device.cpp
index fd1a987..2465b07 100644
--- a/device.cpp
+++ b/device.cpp
@@ -25,6 +25,7 @@
"Wipe cache partition",
"Mount /system",
"View recovery logs",
+ "Run graphics test",
"Power off",
NULL
};
@@ -43,7 +44,8 @@
case 5: return WIPE_CACHE;
case 6: return MOUNT_SYSTEM;
case 7: return VIEW_RECOVERY_LOGS;
- case 8: return SHUTDOWN;
+ case 8: return RUN_GRAPHICS_TEST;
+ case 9: return SHUTDOWN;
default: return NO_ACTION;
}
}
diff --git a/device.h b/device.h
index f74b6b0..5017782 100644
--- a/device.h
+++ b/device.h
@@ -68,6 +68,7 @@
SHUTDOWN = 8,
VIEW_RECOVERY_LOGS = 9,
MOUNT_SYSTEM = 10,
+ RUN_GRAPHICS_TEST = 11,
};
// Return the list of menu items (an array of strings,
diff --git a/edify/Android.mk b/edify/Android.mk
index 03c04e4..71cf765 100644
--- a/edify/Android.mk
+++ b/edify/Android.mk
@@ -3,14 +3,9 @@
LOCAL_PATH := $(call my-dir)
edify_src_files := \
- lexer.l \
- parser.y \
- expr.c
-
-# "-x c" forces the lex/yacc files to be compiled as c the build system
-# otherwise forces them to be c++. Need to also add an explicit -std because the
-# build system will soon default C++ to -std=c++11.
-edify_cflags := -x c -std=gnu89
+ lexer.ll \
+ parser.yy \
+ expr.cpp
#
# Build the host-side command line tool
@@ -19,12 +14,16 @@
LOCAL_SRC_FILES := \
$(edify_src_files) \
- main.c
+ main.cpp
-LOCAL_CFLAGS := $(edify_cflags) -g -O0
+LOCAL_CPPFLAGS := -g -O0
LOCAL_MODULE := edify
LOCAL_YACCFLAGS := -v
-LOCAL_CFLAGS += -Wno-unused-parameter
+LOCAL_CPPFLAGS += -Wno-unused-parameter
+LOCAL_CPPFLAGS += -Wno-deprecated-register
+LOCAL_CLANG := true
+LOCAL_C_INCLUDES += $(LOCAL_PATH)/..
+LOCAL_STATIC_LIBRARIES += libbase
include $(BUILD_HOST_EXECUTABLE)
@@ -35,8 +34,11 @@
LOCAL_SRC_FILES := $(edify_src_files)
-LOCAL_CFLAGS := $(edify_cflags)
-LOCAL_CFLAGS += -Wno-unused-parameter
+LOCAL_CPPFLAGS := -Wno-unused-parameter
+LOCAL_CPPFLAGS += -Wno-deprecated-register
LOCAL_MODULE := libedify
+LOCAL_CLANG := true
+LOCAL_C_INCLUDES += $(LOCAL_PATH)/..
+LOCAL_STATIC_LIBRARIES += libbase
include $(BUILD_STATIC_LIBRARY)
diff --git a/edify/expr.c b/edify/expr.c
deleted file mode 100644
index 79f6282..0000000
--- a/edify/expr.c
+++ /dev/null
@@ -1,505 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <string.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <unistd.h>
-
-#include "expr.h"
-
-// Functions should:
-//
-// - return a malloc()'d string
-// - if Evaluate() on any argument returns NULL, return NULL.
-
-int BooleanString(const char* s) {
- return s[0] != '\0';
-}
-
-char* Evaluate(State* state, Expr* expr) {
- Value* v = expr->fn(expr->name, state, expr->argc, expr->argv);
- if (v == NULL) return NULL;
- if (v->type != VAL_STRING) {
- ErrorAbort(state, "expecting string, got value type %d", v->type);
- FreeValue(v);
- return NULL;
- }
- char* result = v->data;
- free(v);
- return result;
-}
-
-Value* EvaluateValue(State* state, Expr* expr) {
- return expr->fn(expr->name, state, expr->argc, expr->argv);
-}
-
-Value* StringValue(char* str) {
- if (str == NULL) return NULL;
- Value* v = malloc(sizeof(Value));
- v->type = VAL_STRING;
- v->size = strlen(str);
- v->data = str;
- return v;
-}
-
-void FreeValue(Value* v) {
- if (v == NULL) return;
- free(v->data);
- free(v);
-}
-
-Value* ConcatFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc == 0) {
- return StringValue(strdup(""));
- }
- char** strings = malloc(argc * sizeof(char*));
- int i;
- for (i = 0; i < argc; ++i) {
- strings[i] = NULL;
- }
- char* result = NULL;
- int length = 0;
- for (i = 0; i < argc; ++i) {
- strings[i] = Evaluate(state, argv[i]);
- if (strings[i] == NULL) {
- goto done;
- }
- length += strlen(strings[i]);
- }
-
- result = malloc(length+1);
- int p = 0;
- for (i = 0; i < argc; ++i) {
- strcpy(result+p, strings[i]);
- p += strlen(strings[i]);
- }
- result[p] = '\0';
-
- done:
- for (i = 0; i < argc; ++i) {
- free(strings[i]);
- }
- free(strings);
- return StringValue(result);
-}
-
-Value* IfElseFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc != 2 && argc != 3) {
- free(state->errmsg);
- state->errmsg = strdup("ifelse expects 2 or 3 arguments");
- return NULL;
- }
- char* cond = Evaluate(state, argv[0]);
- if (cond == NULL) {
- return NULL;
- }
-
- if (BooleanString(cond) == true) {
- free(cond);
- return EvaluateValue(state, argv[1]);
- } else {
- if (argc == 3) {
- free(cond);
- return EvaluateValue(state, argv[2]);
- } else {
- return StringValue(cond);
- }
- }
-}
-
-Value* AbortFn(const char* name, State* state, int argc, Expr* argv[]) {
- char* msg = NULL;
- if (argc > 0) {
- msg = Evaluate(state, argv[0]);
- }
- free(state->errmsg);
- if (msg) {
- state->errmsg = msg;
- } else {
- state->errmsg = strdup("called abort()");
- }
- return NULL;
-}
-
-Value* AssertFn(const char* name, State* state, int argc, Expr* argv[]) {
- int i;
- for (i = 0; i < argc; ++i) {
- char* v = Evaluate(state, argv[i]);
- if (v == NULL) {
- return NULL;
- }
- int b = BooleanString(v);
- free(v);
- if (!b) {
- int prefix_len;
- int len = argv[i]->end - argv[i]->start;
- char* err_src = malloc(len + 20);
- strcpy(err_src, "assert failed: ");
- prefix_len = strlen(err_src);
- memcpy(err_src + prefix_len, state->script + argv[i]->start, len);
- err_src[prefix_len + len] = '\0';
- free(state->errmsg);
- state->errmsg = err_src;
- return NULL;
- }
- }
- return StringValue(strdup(""));
-}
-
-Value* SleepFn(const char* name, State* state, int argc, Expr* argv[]) {
- char* val = Evaluate(state, argv[0]);
- if (val == NULL) {
- return NULL;
- }
- int v = strtol(val, NULL, 10);
- sleep(v);
- return StringValue(val);
-}
-
-Value* StdoutFn(const char* name, State* state, int argc, Expr* argv[]) {
- int i;
- for (i = 0; i < argc; ++i) {
- char* v = Evaluate(state, argv[i]);
- if (v == NULL) {
- return NULL;
- }
- fputs(v, stdout);
- free(v);
- }
- return StringValue(strdup(""));
-}
-
-Value* LogicalAndFn(const char* name, State* state,
- int argc, Expr* argv[]) {
- char* left = Evaluate(state, argv[0]);
- if (left == NULL) return NULL;
- if (BooleanString(left) == true) {
- free(left);
- return EvaluateValue(state, argv[1]);
- } else {
- return StringValue(left);
- }
-}
-
-Value* LogicalOrFn(const char* name, State* state,
- int argc, Expr* argv[]) {
- char* left = Evaluate(state, argv[0]);
- if (left == NULL) return NULL;
- if (BooleanString(left) == false) {
- free(left);
- return EvaluateValue(state, argv[1]);
- } else {
- return StringValue(left);
- }
-}
-
-Value* LogicalNotFn(const char* name, State* state,
- int argc, Expr* argv[]) {
- char* val = Evaluate(state, argv[0]);
- if (val == NULL) return NULL;
- bool bv = BooleanString(val);
- free(val);
- return StringValue(strdup(bv ? "" : "t"));
-}
-
-Value* SubstringFn(const char* name, State* state,
- int argc, Expr* argv[]) {
- char* needle = Evaluate(state, argv[0]);
- if (needle == NULL) return NULL;
- char* haystack = Evaluate(state, argv[1]);
- if (haystack == NULL) {
- free(needle);
- return NULL;
- }
-
- char* result = strdup(strstr(haystack, needle) ? "t" : "");
- free(needle);
- free(haystack);
- return StringValue(result);
-}
-
-Value* EqualityFn(const char* name, State* state, int argc, Expr* argv[]) {
- char* left = Evaluate(state, argv[0]);
- if (left == NULL) return NULL;
- char* right = Evaluate(state, argv[1]);
- if (right == NULL) {
- free(left);
- return NULL;
- }
-
- char* result = strdup(strcmp(left, right) == 0 ? "t" : "");
- free(left);
- free(right);
- return StringValue(result);
-}
-
-Value* InequalityFn(const char* name, State* state, int argc, Expr* argv[]) {
- char* left = Evaluate(state, argv[0]);
- if (left == NULL) return NULL;
- char* right = Evaluate(state, argv[1]);
- if (right == NULL) {
- free(left);
- return NULL;
- }
-
- char* result = strdup(strcmp(left, right) != 0 ? "t" : "");
- free(left);
- free(right);
- return StringValue(result);
-}
-
-Value* SequenceFn(const char* name, State* state, int argc, Expr* argv[]) {
- Value* left = EvaluateValue(state, argv[0]);
- if (left == NULL) return NULL;
- FreeValue(left);
- return EvaluateValue(state, argv[1]);
-}
-
-Value* LessThanIntFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc != 2) {
- free(state->errmsg);
- state->errmsg = strdup("less_than_int expects 2 arguments");
- return NULL;
- }
-
- char* left;
- char* right;
- if (ReadArgs(state, argv, 2, &left, &right) < 0) return NULL;
-
- bool result = false;
- char* end;
-
- long l_int = strtol(left, &end, 10);
- if (left[0] == '\0' || *end != '\0') {
- goto done;
- }
-
- long r_int = strtol(right, &end, 10);
- if (right[0] == '\0' || *end != '\0') {
- goto done;
- }
-
- result = l_int < r_int;
-
- done:
- free(left);
- free(right);
- return StringValue(strdup(result ? "t" : ""));
-}
-
-Value* GreaterThanIntFn(const char* name, State* state,
- int argc, Expr* argv[]) {
- if (argc != 2) {
- free(state->errmsg);
- state->errmsg = strdup("greater_than_int expects 2 arguments");
- return NULL;
- }
-
- Expr* temp[2];
- temp[0] = argv[1];
- temp[1] = argv[0];
-
- return LessThanIntFn(name, state, 2, temp);
-}
-
-Value* Literal(const char* name, State* state, int argc, Expr* argv[]) {
- return StringValue(strdup(name));
-}
-
-Expr* Build(Function fn, YYLTYPE loc, int count, ...) {
- va_list v;
- va_start(v, count);
- Expr* e = malloc(sizeof(Expr));
- e->fn = fn;
- e->name = "(operator)";
- e->argc = count;
- e->argv = malloc(count * sizeof(Expr*));
- int i;
- for (i = 0; i < count; ++i) {
- e->argv[i] = va_arg(v, Expr*);
- }
- va_end(v);
- e->start = loc.start;
- e->end = loc.end;
- return e;
-}
-
-// -----------------------------------------------------------------
-// the function table
-// -----------------------------------------------------------------
-
-static int fn_entries = 0;
-static int fn_size = 0;
-NamedFunction* fn_table = NULL;
-
-void RegisterFunction(const char* name, Function fn) {
- if (fn_entries >= fn_size) {
- fn_size = fn_size*2 + 1;
- fn_table = realloc(fn_table, fn_size * sizeof(NamedFunction));
- }
- fn_table[fn_entries].name = name;
- fn_table[fn_entries].fn = fn;
- ++fn_entries;
-}
-
-static int fn_entry_compare(const void* a, const void* b) {
- const char* na = ((const NamedFunction*)a)->name;
- const char* nb = ((const NamedFunction*)b)->name;
- return strcmp(na, nb);
-}
-
-void FinishRegistration() {
- qsort(fn_table, fn_entries, sizeof(NamedFunction), fn_entry_compare);
-}
-
-Function FindFunction(const char* name) {
- NamedFunction key;
- key.name = name;
- NamedFunction* nf = bsearch(&key, fn_table, fn_entries,
- sizeof(NamedFunction), fn_entry_compare);
- if (nf == NULL) {
- return NULL;
- }
- return nf->fn;
-}
-
-void RegisterBuiltins() {
- RegisterFunction("ifelse", IfElseFn);
- RegisterFunction("abort", AbortFn);
- RegisterFunction("assert", AssertFn);
- RegisterFunction("concat", ConcatFn);
- RegisterFunction("is_substring", SubstringFn);
- RegisterFunction("stdout", StdoutFn);
- RegisterFunction("sleep", SleepFn);
-
- RegisterFunction("less_than_int", LessThanIntFn);
- RegisterFunction("greater_than_int", GreaterThanIntFn);
-}
-
-
-// -----------------------------------------------------------------
-// convenience methods for functions
-// -----------------------------------------------------------------
-
-// Evaluate the expressions in argv, giving 'count' char* (the ... is
-// zero or more char** to put them in). If any expression evaluates
-// to NULL, free the rest and return -1. Return 0 on success.
-int ReadArgs(State* state, Expr* argv[], int count, ...) {
- char** args = malloc(count * sizeof(char*));
- va_list v;
- va_start(v, count);
- int i;
- for (i = 0; i < count; ++i) {
- args[i] = Evaluate(state, argv[i]);
- if (args[i] == NULL) {
- va_end(v);
- int j;
- for (j = 0; j < i; ++j) {
- free(args[j]);
- }
- free(args);
- return -1;
- }
- *(va_arg(v, char**)) = args[i];
- }
- va_end(v);
- free(args);
- return 0;
-}
-
-// Evaluate the expressions in argv, giving 'count' Value* (the ... is
-// zero or more Value** to put them in). If any expression evaluates
-// to NULL, free the rest and return -1. Return 0 on success.
-int ReadValueArgs(State* state, Expr* argv[], int count, ...) {
- Value** args = malloc(count * sizeof(Value*));
- va_list v;
- va_start(v, count);
- int i;
- for (i = 0; i < count; ++i) {
- args[i] = EvaluateValue(state, argv[i]);
- if (args[i] == NULL) {
- va_end(v);
- int j;
- for (j = 0; j < i; ++j) {
- FreeValue(args[j]);
- }
- free(args);
- return -1;
- }
- *(va_arg(v, Value**)) = args[i];
- }
- va_end(v);
- free(args);
- return 0;
-}
-
-// Evaluate the expressions in argv, returning an array of char*
-// results. If any evaluate to NULL, free the rest and return NULL.
-// The caller is responsible for freeing the returned array and the
-// strings it contains.
-char** ReadVarArgs(State* state, int argc, Expr* argv[]) {
- char** args = (char**)malloc(argc * sizeof(char*));
- int i = 0;
- for (i = 0; i < argc; ++i) {
- args[i] = Evaluate(state, argv[i]);
- if (args[i] == NULL) {
- int j;
- for (j = 0; j < i; ++j) {
- free(args[j]);
- }
- free(args);
- return NULL;
- }
- }
- return args;
-}
-
-// Evaluate the expressions in argv, returning an array of Value*
-// results. If any evaluate to NULL, free the rest and return NULL.
-// The caller is responsible for freeing the returned array and the
-// Values it contains.
-Value** ReadValueVarArgs(State* state, int argc, Expr* argv[]) {
- Value** args = (Value**)malloc(argc * sizeof(Value*));
- int i = 0;
- for (i = 0; i < argc; ++i) {
- args[i] = EvaluateValue(state, argv[i]);
- if (args[i] == NULL) {
- int j;
- for (j = 0; j < i; ++j) {
- FreeValue(args[j]);
- }
- free(args);
- return NULL;
- }
- }
- return args;
-}
-
-// Use printf-style arguments to compose an error message to put into
-// *state. Returns NULL.
-Value* ErrorAbort(State* state, const char* format, ...) {
- char* buffer = malloc(4096);
- va_list v;
- va_start(v, format);
- vsnprintf(buffer, 4096, format, v);
- va_end(v);
- free(state->errmsg);
- state->errmsg = buffer;
- return NULL;
-}
diff --git a/edify/expr.cpp b/edify/expr.cpp
new file mode 100644
index 0000000..cc14fbe
--- /dev/null
+++ b/edify/expr.cpp
@@ -0,0 +1,526 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <string.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <unistd.h>
+
+#include <string>
+
+#include <android-base/stringprintf.h>
+#include <android-base/strings.h>
+
+#include "expr.h"
+
+// Functions should:
+//
+// - return a malloc()'d string
+// - if Evaluate() on any argument returns NULL, return NULL.
+
+int BooleanString(const char* s) {
+ return s[0] != '\0';
+}
+
+char* Evaluate(State* state, Expr* expr) {
+ Value* v = expr->fn(expr->name, state, expr->argc, expr->argv);
+ if (v == NULL) return NULL;
+ if (v->type != VAL_STRING) {
+ ErrorAbort(state, kArgsParsingFailure, "expecting string, got value type %d", v->type);
+ FreeValue(v);
+ return NULL;
+ }
+ char* result = v->data;
+ free(v);
+ return result;
+}
+
+Value* EvaluateValue(State* state, Expr* expr) {
+ return expr->fn(expr->name, state, expr->argc, expr->argv);
+}
+
+Value* StringValue(char* str) {
+ if (str == NULL) return NULL;
+ Value* v = reinterpret_cast<Value*>(malloc(sizeof(Value)));
+ v->type = VAL_STRING;
+ v->size = strlen(str);
+ v->data = str;
+ return v;
+}
+
+void FreeValue(Value* v) {
+ if (v == NULL) return;
+ free(v->data);
+ free(v);
+}
+
+Value* ConcatFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc == 0) {
+ return StringValue(strdup(""));
+ }
+ char** strings = reinterpret_cast<char**>(malloc(argc * sizeof(char*)));
+ int i;
+ for (i = 0; i < argc; ++i) {
+ strings[i] = NULL;
+ }
+ char* result = NULL;
+ int length = 0;
+ for (i = 0; i < argc; ++i) {
+ strings[i] = Evaluate(state, argv[i]);
+ if (strings[i] == NULL) {
+ goto done;
+ }
+ length += strlen(strings[i]);
+ }
+
+ result = reinterpret_cast<char*>(malloc(length+1));
+ int p;
+ p = 0;
+ for (i = 0; i < argc; ++i) {
+ strcpy(result+p, strings[i]);
+ p += strlen(strings[i]);
+ }
+ result[p] = '\0';
+
+ done:
+ for (i = 0; i < argc; ++i) {
+ free(strings[i]);
+ }
+ free(strings);
+ return StringValue(result);
+}
+
+Value* IfElseFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc != 2 && argc != 3) {
+ free(state->errmsg);
+ state->errmsg = strdup("ifelse expects 2 or 3 arguments");
+ return NULL;
+ }
+ char* cond = Evaluate(state, argv[0]);
+ if (cond == NULL) {
+ return NULL;
+ }
+
+ if (BooleanString(cond) == true) {
+ free(cond);
+ return EvaluateValue(state, argv[1]);
+ } else {
+ if (argc == 3) {
+ free(cond);
+ return EvaluateValue(state, argv[2]);
+ } else {
+ return StringValue(cond);
+ }
+ }
+}
+
+Value* AbortFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* msg = NULL;
+ if (argc > 0) {
+ msg = Evaluate(state, argv[0]);
+ }
+ free(state->errmsg);
+ if (msg) {
+ state->errmsg = msg;
+ } else {
+ state->errmsg = strdup("called abort()");
+ }
+ return NULL;
+}
+
+Value* AssertFn(const char* name, State* state, int argc, Expr* argv[]) {
+ int i;
+ for (i = 0; i < argc; ++i) {
+ char* v = Evaluate(state, argv[i]);
+ if (v == NULL) {
+ return NULL;
+ }
+ int b = BooleanString(v);
+ free(v);
+ if (!b) {
+ int prefix_len;
+ int len = argv[i]->end - argv[i]->start;
+ char* err_src = reinterpret_cast<char*>(malloc(len + 20));
+ strcpy(err_src, "assert failed: ");
+ prefix_len = strlen(err_src);
+ memcpy(err_src + prefix_len, state->script + argv[i]->start, len);
+ err_src[prefix_len + len] = '\0';
+ free(state->errmsg);
+ state->errmsg = err_src;
+ return NULL;
+ }
+ }
+ return StringValue(strdup(""));
+}
+
+Value* SleepFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* val = Evaluate(state, argv[0]);
+ if (val == NULL) {
+ return NULL;
+ }
+ int v = strtol(val, NULL, 10);
+ sleep(v);
+ return StringValue(val);
+}
+
+Value* StdoutFn(const char* name, State* state, int argc, Expr* argv[]) {
+ int i;
+ for (i = 0; i < argc; ++i) {
+ char* v = Evaluate(state, argv[i]);
+ if (v == NULL) {
+ return NULL;
+ }
+ fputs(v, stdout);
+ free(v);
+ }
+ return StringValue(strdup(""));
+}
+
+Value* LogicalAndFn(const char* name, State* state,
+ int argc, Expr* argv[]) {
+ char* left = Evaluate(state, argv[0]);
+ if (left == NULL) return NULL;
+ if (BooleanString(left) == true) {
+ free(left);
+ return EvaluateValue(state, argv[1]);
+ } else {
+ return StringValue(left);
+ }
+}
+
+Value* LogicalOrFn(const char* name, State* state,
+ int argc, Expr* argv[]) {
+ char* left = Evaluate(state, argv[0]);
+ if (left == NULL) return NULL;
+ if (BooleanString(left) == false) {
+ free(left);
+ return EvaluateValue(state, argv[1]);
+ } else {
+ return StringValue(left);
+ }
+}
+
+Value* LogicalNotFn(const char* name, State* state,
+ int argc, Expr* argv[]) {
+ char* val = Evaluate(state, argv[0]);
+ if (val == NULL) return NULL;
+ bool bv = BooleanString(val);
+ free(val);
+ return StringValue(strdup(bv ? "" : "t"));
+}
+
+Value* SubstringFn(const char* name, State* state,
+ int argc, Expr* argv[]) {
+ char* needle = Evaluate(state, argv[0]);
+ if (needle == NULL) return NULL;
+ char* haystack = Evaluate(state, argv[1]);
+ if (haystack == NULL) {
+ free(needle);
+ return NULL;
+ }
+
+ char* result = strdup(strstr(haystack, needle) ? "t" : "");
+ free(needle);
+ free(haystack);
+ return StringValue(result);
+}
+
+Value* EqualityFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* left = Evaluate(state, argv[0]);
+ if (left == NULL) return NULL;
+ char* right = Evaluate(state, argv[1]);
+ if (right == NULL) {
+ free(left);
+ return NULL;
+ }
+
+ char* result = strdup(strcmp(left, right) == 0 ? "t" : "");
+ free(left);
+ free(right);
+ return StringValue(result);
+}
+
+Value* InequalityFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* left = Evaluate(state, argv[0]);
+ if (left == NULL) return NULL;
+ char* right = Evaluate(state, argv[1]);
+ if (right == NULL) {
+ free(left);
+ return NULL;
+ }
+
+ char* result = strdup(strcmp(left, right) != 0 ? "t" : "");
+ free(left);
+ free(right);
+ return StringValue(result);
+}
+
+Value* SequenceFn(const char* name, State* state, int argc, Expr* argv[]) {
+ Value* left = EvaluateValue(state, argv[0]);
+ if (left == NULL) return NULL;
+ FreeValue(left);
+ return EvaluateValue(state, argv[1]);
+}
+
+Value* LessThanIntFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc != 2) {
+ free(state->errmsg);
+ state->errmsg = strdup("less_than_int expects 2 arguments");
+ return NULL;
+ }
+
+ char* left;
+ char* right;
+ if (ReadArgs(state, argv, 2, &left, &right) < 0) return NULL;
+
+ bool result = false;
+ char* end;
+
+ long l_int = strtol(left, &end, 10);
+ if (left[0] == '\0' || *end != '\0') {
+ goto done;
+ }
+
+ long r_int;
+ r_int = strtol(right, &end, 10);
+ if (right[0] == '\0' || *end != '\0') {
+ goto done;
+ }
+
+ result = l_int < r_int;
+
+ done:
+ free(left);
+ free(right);
+ return StringValue(strdup(result ? "t" : ""));
+}
+
+Value* GreaterThanIntFn(const char* name, State* state,
+ int argc, Expr* argv[]) {
+ if (argc != 2) {
+ free(state->errmsg);
+ state->errmsg = strdup("greater_than_int expects 2 arguments");
+ return NULL;
+ }
+
+ Expr* temp[2];
+ temp[0] = argv[1];
+ temp[1] = argv[0];
+
+ return LessThanIntFn(name, state, 2, temp);
+}
+
+Value* Literal(const char* name, State* state, int argc, Expr* argv[]) {
+ return StringValue(strdup(name));
+}
+
+Expr* Build(Function fn, YYLTYPE loc, int count, ...) {
+ va_list v;
+ va_start(v, count);
+ Expr* e = reinterpret_cast<Expr*>(malloc(sizeof(Expr)));
+ e->fn = fn;
+ e->name = "(operator)";
+ e->argc = count;
+ e->argv = reinterpret_cast<Expr**>(malloc(count * sizeof(Expr*)));
+ int i;
+ for (i = 0; i < count; ++i) {
+ e->argv[i] = va_arg(v, Expr*);
+ }
+ va_end(v);
+ e->start = loc.start;
+ e->end = loc.end;
+ return e;
+}
+
+// -----------------------------------------------------------------
+// the function table
+// -----------------------------------------------------------------
+
+static int fn_entries = 0;
+static int fn_size = 0;
+NamedFunction* fn_table = NULL;
+
+void RegisterFunction(const char* name, Function fn) {
+ if (fn_entries >= fn_size) {
+ fn_size = fn_size*2 + 1;
+ fn_table = reinterpret_cast<NamedFunction*>(realloc(fn_table, fn_size * sizeof(NamedFunction)));
+ }
+ fn_table[fn_entries].name = name;
+ fn_table[fn_entries].fn = fn;
+ ++fn_entries;
+}
+
+static int fn_entry_compare(const void* a, const void* b) {
+ const char* na = ((const NamedFunction*)a)->name;
+ const char* nb = ((const NamedFunction*)b)->name;
+ return strcmp(na, nb);
+}
+
+void FinishRegistration() {
+ qsort(fn_table, fn_entries, sizeof(NamedFunction), fn_entry_compare);
+}
+
+Function FindFunction(const char* name) {
+ NamedFunction key;
+ key.name = name;
+ NamedFunction* nf = reinterpret_cast<NamedFunction*>(bsearch(&key, fn_table, fn_entries,
+ sizeof(NamedFunction), fn_entry_compare));
+ if (nf == NULL) {
+ return NULL;
+ }
+ return nf->fn;
+}
+
+void RegisterBuiltins() {
+ RegisterFunction("ifelse", IfElseFn);
+ RegisterFunction("abort", AbortFn);
+ RegisterFunction("assert", AssertFn);
+ RegisterFunction("concat", ConcatFn);
+ RegisterFunction("is_substring", SubstringFn);
+ RegisterFunction("stdout", StdoutFn);
+ RegisterFunction("sleep", SleepFn);
+
+ RegisterFunction("less_than_int", LessThanIntFn);
+ RegisterFunction("greater_than_int", GreaterThanIntFn);
+}
+
+
+// -----------------------------------------------------------------
+// convenience methods for functions
+// -----------------------------------------------------------------
+
+// Evaluate the expressions in argv, giving 'count' char* (the ... is
+// zero or more char** to put them in). If any expression evaluates
+// to NULL, free the rest and return -1. Return 0 on success.
+int ReadArgs(State* state, Expr* argv[], int count, ...) {
+ char** args = reinterpret_cast<char**>(malloc(count * sizeof(char*)));
+ va_list v;
+ va_start(v, count);
+ int i;
+ for (i = 0; i < count; ++i) {
+ args[i] = Evaluate(state, argv[i]);
+ if (args[i] == NULL) {
+ va_end(v);
+ int j;
+ for (j = 0; j < i; ++j) {
+ free(args[j]);
+ }
+ free(args);
+ return -1;
+ }
+ *(va_arg(v, char**)) = args[i];
+ }
+ va_end(v);
+ free(args);
+ return 0;
+}
+
+// Evaluate the expressions in argv, giving 'count' Value* (the ... is
+// zero or more Value** to put them in). If any expression evaluates
+// to NULL, free the rest and return -1. Return 0 on success.
+int ReadValueArgs(State* state, Expr* argv[], int count, ...) {
+ Value** args = reinterpret_cast<Value**>(malloc(count * sizeof(Value*)));
+ va_list v;
+ va_start(v, count);
+ int i;
+ for (i = 0; i < count; ++i) {
+ args[i] = EvaluateValue(state, argv[i]);
+ if (args[i] == NULL) {
+ va_end(v);
+ int j;
+ for (j = 0; j < i; ++j) {
+ FreeValue(args[j]);
+ }
+ free(args);
+ return -1;
+ }
+ *(va_arg(v, Value**)) = args[i];
+ }
+ va_end(v);
+ free(args);
+ return 0;
+}
+
+// Evaluate the expressions in argv, returning an array of char*
+// results. If any evaluate to NULL, free the rest and return NULL.
+// The caller is responsible for freeing the returned array and the
+// strings it contains.
+char** ReadVarArgs(State* state, int argc, Expr* argv[]) {
+ char** args = (char**)malloc(argc * sizeof(char*));
+ int i = 0;
+ for (i = 0; i < argc; ++i) {
+ args[i] = Evaluate(state, argv[i]);
+ if (args[i] == NULL) {
+ int j;
+ for (j = 0; j < i; ++j) {
+ free(args[j]);
+ }
+ free(args);
+ return NULL;
+ }
+ }
+ return args;
+}
+
+// Evaluate the expressions in argv, returning an array of Value*
+// results. If any evaluate to NULL, free the rest and return NULL.
+// The caller is responsible for freeing the returned array and the
+// Values it contains.
+Value** ReadValueVarArgs(State* state, int argc, Expr* argv[]) {
+ Value** args = (Value**)malloc(argc * sizeof(Value*));
+ int i = 0;
+ for (i = 0; i < argc; ++i) {
+ args[i] = EvaluateValue(state, argv[i]);
+ if (args[i] == NULL) {
+ int j;
+ for (j = 0; j < i; ++j) {
+ FreeValue(args[j]);
+ }
+ free(args);
+ return NULL;
+ }
+ }
+ return args;
+}
+
+static void ErrorAbortV(State* state, const char* format, va_list ap) {
+ std::string buffer;
+ android::base::StringAppendV(&buffer, format, ap);
+ free(state->errmsg);
+ state->errmsg = strdup(buffer.c_str());
+ return;
+}
+
+// Use printf-style arguments to compose an error message to put into
+// *state. Returns nullptr.
+Value* ErrorAbort(State* state, const char* format, ...) {
+ va_list ap;
+ va_start(ap, format);
+ ErrorAbortV(state, format, ap);
+ va_end(ap);
+ return nullptr;
+}
+
+Value* ErrorAbort(State* state, CauseCode cause_code, const char* format, ...) {
+ va_list ap;
+ va_start(ap, format);
+ ErrorAbortV(state, format, ap);
+ va_end(ap);
+ state->cause_code = cause_code;
+ return nullptr;
+}
diff --git a/edify/expr.h b/edify/expr.h
index a9ed2f9..8863479 100644
--- a/edify/expr.h
+++ b/edify/expr.h
@@ -19,12 +19,9 @@
#include <unistd.h>
+#include "error_code.h"
#include "yydefs.h"
-#ifdef __cplusplus
-extern "C" {
-#endif
-
#define MAX_STRING_LEN 1024
typedef struct Expr Expr;
@@ -43,6 +40,17 @@
// Should be NULL initially, will be either NULL or a malloc'd
// pointer after Evaluate() returns.
char* errmsg;
+
+ // error code indicates the type of failure (e.g. failure to update system image)
+ // during the OTA process.
+ ErrorCode error_code = kNoError;
+
+ // cause code provides more detailed reason of an OTA failure (e.g. fsync error)
+ // in addition to the error code.
+ CauseCode cause_code = kNoCause;
+
+ bool is_retry = false;
+
} State;
#define VAL_STRING 1 // data will be NULL-terminated; size doesn't count null
@@ -59,7 +67,7 @@
struct Expr {
Function fn;
- char* name;
+ const char* name;
int argc;
Expr** argv;
int start, end;
@@ -156,7 +164,13 @@
// Use printf-style arguments to compose an error message to put into
// *state. Returns NULL.
-Value* ErrorAbort(State* state, const char* format, ...) __attribute__((format(printf, 2, 3)));
+Value* ErrorAbort(State* state, const char* format, ...)
+ __attribute__((format(printf, 2, 3), deprecated));
+
+// ErrorAbort has an optional (but recommended) argument 'cause_code'. If the cause code
+// is set, it will be logged into last_install and provides reason of OTA failures.
+Value* ErrorAbort(State* state, CauseCode cause_code, const char* format, ...)
+ __attribute__((format(printf, 3, 4)));
// Wrap a string into a Value, taking ownership of the string.
Value* StringValue(char* str);
@@ -166,8 +180,4 @@
int parse_string(const char* str, Expr** root, int* error_count);
-#ifdef __cplusplus
-} // extern "C"
-#endif
-
#endif // _EXPRESSION_H
diff --git a/edify/lexer.l b/edify/lexer.l
deleted file mode 100644
index fb2933b..0000000
--- a/edify/lexer.l
+++ /dev/null
@@ -1,112 +0,0 @@
-%{
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <string.h>
-
-#include "expr.h"
-#include "yydefs.h"
-#include "parser.h"
-
-int gLine = 1;
-int gColumn = 1;
-int gPos = 0;
-
-// TODO: enforce MAX_STRING_LEN during lexing
-char string_buffer[MAX_STRING_LEN];
-char* string_pos;
-
-#define ADVANCE do {yylloc.start=gPos; yylloc.end=gPos+yyleng; \
- gColumn+=yyleng; gPos+=yyleng;} while(0)
-
-%}
-
-%x STR
-
-%option noyywrap
-
-%%
-
-
-\" {
- BEGIN(STR);
- string_pos = string_buffer;
- yylloc.start = gPos;
- ++gColumn;
- ++gPos;
-}
-
-<STR>{
- \" {
- ++gColumn;
- ++gPos;
- BEGIN(INITIAL);
- *string_pos = '\0';
- yylval.str = strdup(string_buffer);
- yylloc.end = gPos;
- return STRING;
- }
-
- \\n { gColumn += yyleng; gPos += yyleng; *string_pos++ = '\n'; }
- \\t { gColumn += yyleng; gPos += yyleng; *string_pos++ = '\t'; }
- \\\" { gColumn += yyleng; gPos += yyleng; *string_pos++ = '\"'; }
- \\\\ { gColumn += yyleng; gPos += yyleng; *string_pos++ = '\\'; }
-
- \\x[0-9a-fA-F]{2} {
- gColumn += yyleng;
- gPos += yyleng;
- int val;
- sscanf(yytext+2, "%x", &val);
- *string_pos++ = val;
- }
-
- \n {
- ++gLine;
- ++gPos;
- gColumn = 1;
- *string_pos++ = yytext[0];
- }
-
- . {
- ++gColumn;
- ++gPos;
- *string_pos++ = yytext[0];
- }
-}
-
-if ADVANCE; return IF;
-then ADVANCE; return THEN;
-else ADVANCE; return ELSE;
-endif ADVANCE; return ENDIF;
-
-[a-zA-Z0-9_:/.]+ {
- ADVANCE;
- yylval.str = strdup(yytext);
- return STRING;
-}
-
-\&\& ADVANCE; return AND;
-\|\| ADVANCE; return OR;
-== ADVANCE; return EQ;
-!= ADVANCE; return NE;
-
-[+(),!;] ADVANCE; return yytext[0];
-
-[ \t]+ ADVANCE;
-
-(#.*)?\n gPos += yyleng; ++gLine; gColumn = 1;
-
-. return BAD;
diff --git a/edify/lexer.ll b/edify/lexer.ll
new file mode 100644
index 0000000..b764d16
--- /dev/null
+++ b/edify/lexer.ll
@@ -0,0 +1,110 @@
+%{
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <string.h>
+#include <string>
+
+#include "expr.h"
+#include "yydefs.h"
+#include "parser.h"
+
+int gLine = 1;
+int gColumn = 1;
+int gPos = 0;
+
+std::string string_buffer;
+
+#define ADVANCE do {yylloc.start=gPos; yylloc.end=gPos+yyleng; \
+ gColumn+=yyleng; gPos+=yyleng;} while(0)
+
+%}
+
+%x STR
+
+%option noyywrap
+
+%%
+
+
+\" {
+ BEGIN(STR);
+ string_buffer.clear();
+ yylloc.start = gPos;
+ ++gColumn;
+ ++gPos;
+}
+
+<STR>{
+ \" {
+ ++gColumn;
+ ++gPos;
+ BEGIN(INITIAL);
+ yylval.str = strdup(string_buffer.c_str());
+ yylloc.end = gPos;
+ return STRING;
+ }
+
+ \\n { gColumn += yyleng; gPos += yyleng; string_buffer.push_back('\n'); }
+ \\t { gColumn += yyleng; gPos += yyleng; string_buffer.push_back('\t'); }
+ \\\" { gColumn += yyleng; gPos += yyleng; string_buffer.push_back('\"'); }
+ \\\\ { gColumn += yyleng; gPos += yyleng; string_buffer.push_back('\\'); }
+
+ \\x[0-9a-fA-F]{2} {
+ gColumn += yyleng;
+ gPos += yyleng;
+ int val;
+ sscanf(yytext+2, "%x", &val);
+ string_buffer.push_back(static_cast<char>(val));
+ }
+
+ \n {
+ ++gLine;
+ ++gPos;
+ gColumn = 1;
+ string_buffer.push_back(yytext[0]);
+ }
+
+ . {
+ ++gColumn;
+ ++gPos;
+ string_buffer.push_back(yytext[0]);
+ }
+}
+
+if ADVANCE; return IF;
+then ADVANCE; return THEN;
+else ADVANCE; return ELSE;
+endif ADVANCE; return ENDIF;
+
+[a-zA-Z0-9_:/.]+ {
+ ADVANCE;
+ yylval.str = strdup(yytext);
+ return STRING;
+}
+
+\&\& ADVANCE; return AND;
+\|\| ADVANCE; return OR;
+== ADVANCE; return EQ;
+!= ADVANCE; return NE;
+
+[+(),!;] ADVANCE; return yytext[0];
+
+[ \t]+ ADVANCE;
+
+(#.*)?\n gPos += yyleng; ++gLine; gColumn = 1;
+
+. return BAD;
diff --git a/edify/main.c b/edify/main.c
deleted file mode 100644
index b1baa0b..0000000
--- a/edify/main.c
+++ /dev/null
@@ -1,214 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "expr.h"
-#include "parser.h"
-
-extern int yyparse(Expr** root, int* error_count);
-
-int expect(const char* expr_str, const char* expected, int* errors) {
- Expr* e;
- char* result;
-
- printf(".");
-
- int error_count = parse_string(expr_str, &e, &error_count);
- if (error_count > 0) {
- printf("error parsing \"%s\" (%d errors)\n",
- expr_str, error_count);
- ++*errors;
- return 0;
- }
-
- State state;
- state.cookie = NULL;
- state.script = strdup(expr_str);
- state.errmsg = NULL;
-
- result = Evaluate(&state, e);
- free(state.errmsg);
- free(state.script);
- if (result == NULL && expected != NULL) {
- printf("error evaluating \"%s\"\n", expr_str);
- ++*errors;
- return 0;
- }
-
- if (result == NULL && expected == NULL) {
- return 1;
- }
-
- if (strcmp(result, expected) != 0) {
- printf("evaluating \"%s\": expected \"%s\", got \"%s\"\n",
- expr_str, expected, result);
- ++*errors;
- free(result);
- return 0;
- }
-
- free(result);
- return 1;
-}
-
-int test() {
- int errors = 0;
-
- expect("a", "a", &errors);
- expect("\"a\"", "a", &errors);
- expect("\"\\x61\"", "a", &errors);
- expect("# this is a comment\n"
- " a\n"
- " \n",
- "a", &errors);
-
-
- // sequence operator
- expect("a; b; c", "c", &errors);
-
- // string concat operator
- expect("a + b", "ab", &errors);
- expect("a + \n \"b\"", "ab", &errors);
- expect("a + b +\nc\n", "abc", &errors);
-
- // string concat function
- expect("concat(a, b)", "ab", &errors);
- expect("concat(a,\n \"b\")", "ab", &errors);
- expect("concat(a + b,\nc,\"d\")", "abcd", &errors);
- expect("\"concat\"(a + b,\nc,\"d\")", "abcd", &errors);
-
- // logical and
- expect("a && b", "b", &errors);
- expect("a && \"\"", "", &errors);
- expect("\"\" && b", "", &errors);
- expect("\"\" && \"\"", "", &errors);
- expect("\"\" && abort()", "", &errors); // test short-circuiting
- expect("t && abort()", NULL, &errors);
-
- // logical or
- expect("a || b", "a", &errors);
- expect("a || \"\"", "a", &errors);
- expect("\"\" || b", "b", &errors);
- expect("\"\" || \"\"", "", &errors);
- expect("a || abort()", "a", &errors); // test short-circuiting
- expect("\"\" || abort()", NULL, &errors);
-
- // logical not
- expect("!a", "", &errors);
- expect("! \"\"", "t", &errors);
- expect("!!a", "t", &errors);
-
- // precedence
- expect("\"\" == \"\" && b", "b", &errors);
- expect("a + b == ab", "t", &errors);
- expect("ab == a + b", "t", &errors);
- expect("a + (b == ab)", "a", &errors);
- expect("(ab == a) + b", "b", &errors);
-
- // substring function
- expect("is_substring(cad, abracadabra)", "t", &errors);
- expect("is_substring(abrac, abracadabra)", "t", &errors);
- expect("is_substring(dabra, abracadabra)", "t", &errors);
- expect("is_substring(cad, abracxadabra)", "", &errors);
- expect("is_substring(abrac, axbracadabra)", "", &errors);
- expect("is_substring(dabra, abracadabrxa)", "", &errors);
-
- // ifelse function
- expect("ifelse(t, yes, no)", "yes", &errors);
- expect("ifelse(!t, yes, no)", "no", &errors);
- expect("ifelse(t, yes, abort())", "yes", &errors);
- expect("ifelse(!t, abort(), no)", "no", &errors);
-
- // if "statements"
- expect("if t then yes else no endif", "yes", &errors);
- expect("if \"\" then yes else no endif", "no", &errors);
- expect("if \"\" then yes endif", "", &errors);
- expect("if \"\"; t then yes endif", "yes", &errors);
-
- // numeric comparisons
- expect("less_than_int(3, 14)", "t", &errors);
- expect("less_than_int(14, 3)", "", &errors);
- expect("less_than_int(x, 3)", "", &errors);
- expect("less_than_int(3, x)", "", &errors);
- expect("greater_than_int(3, 14)", "", &errors);
- expect("greater_than_int(14, 3)", "t", &errors);
- expect("greater_than_int(x, 3)", "", &errors);
- expect("greater_than_int(3, x)", "", &errors);
-
- printf("\n");
-
- return errors;
-}
-
-void ExprDump(int depth, Expr* n, char* script) {
- printf("%*s", depth*2, "");
- char temp = script[n->end];
- script[n->end] = '\0';
- printf("%s %p (%d-%d) \"%s\"\n",
- n->name == NULL ? "(NULL)" : n->name, n->fn, n->start, n->end,
- script+n->start);
- script[n->end] = temp;
- int i;
- for (i = 0; i < n->argc; ++i) {
- ExprDump(depth+1, n->argv[i], script);
- }
-}
-
-int main(int argc, char** argv) {
- RegisterBuiltins();
- FinishRegistration();
-
- if (argc == 1) {
- return test() != 0;
- }
-
- FILE* f = fopen(argv[1], "r");
- if (f == NULL) {
- printf("%s: %s: No such file or directory\n", argv[0], argv[1]);
- return 1;
- }
- char buffer[8192];
- int size = fread(buffer, 1, 8191, f);
- fclose(f);
- buffer[size] = '\0';
-
- Expr* root;
- int error_count = 0;
- int error = parse_string(buffer, &root, &error_count);
- printf("parse returned %d; %d errors encountered\n", error, error_count);
- if (error == 0 || error_count > 0) {
-
- ExprDump(0, root, buffer);
-
- State state;
- state.cookie = NULL;
- state.script = buffer;
- state.errmsg = NULL;
-
- char* result = Evaluate(&state, root);
- if (result == NULL) {
- printf("result was NULL, message is: %s\n",
- (state.errmsg == NULL ? "(NULL)" : state.errmsg));
- free(state.errmsg);
- } else {
- printf("result is [%s]\n", result);
- }
- }
- return 0;
-}
diff --git a/edify/main.cpp b/edify/main.cpp
new file mode 100644
index 0000000..6007a3d
--- /dev/null
+++ b/edify/main.cpp
@@ -0,0 +1,219 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <string>
+
+#include "expr.h"
+#include "parser.h"
+
+extern int yyparse(Expr** root, int* error_count);
+
+int expect(const char* expr_str, const char* expected, int* errors) {
+ Expr* e;
+ char* result;
+
+ printf(".");
+
+ int error_count = parse_string(expr_str, &e, &error_count);
+ if (error_count > 0) {
+ printf("error parsing \"%s\" (%d errors)\n",
+ expr_str, error_count);
+ ++*errors;
+ return 0;
+ }
+
+ State state;
+ state.cookie = NULL;
+ state.script = strdup(expr_str);
+ state.errmsg = NULL;
+
+ result = Evaluate(&state, e);
+ free(state.errmsg);
+ free(state.script);
+ if (result == NULL && expected != NULL) {
+ printf("error evaluating \"%s\"\n", expr_str);
+ ++*errors;
+ return 0;
+ }
+
+ if (result == NULL && expected == NULL) {
+ return 1;
+ }
+
+ if (strcmp(result, expected) != 0) {
+ printf("evaluating \"%s\": expected \"%s\", got \"%s\"\n",
+ expr_str, expected, result);
+ ++*errors;
+ free(result);
+ return 0;
+ }
+
+ free(result);
+ return 1;
+}
+
+int test() {
+ int errors = 0;
+
+ expect("a", "a", &errors);
+ expect("\"a\"", "a", &errors);
+ expect("\"\\x61\"", "a", &errors);
+ expect("# this is a comment\n"
+ " a\n"
+ " \n",
+ "a", &errors);
+
+
+ // sequence operator
+ expect("a; b; c", "c", &errors);
+
+ // string concat operator
+ expect("a + b", "ab", &errors);
+ expect("a + \n \"b\"", "ab", &errors);
+ expect("a + b +\nc\n", "abc", &errors);
+
+ // string concat function
+ expect("concat(a, b)", "ab", &errors);
+ expect("concat(a,\n \"b\")", "ab", &errors);
+ expect("concat(a + b,\nc,\"d\")", "abcd", &errors);
+ expect("\"concat\"(a + b,\nc,\"d\")", "abcd", &errors);
+
+ // logical and
+ expect("a && b", "b", &errors);
+ expect("a && \"\"", "", &errors);
+ expect("\"\" && b", "", &errors);
+ expect("\"\" && \"\"", "", &errors);
+ expect("\"\" && abort()", "", &errors); // test short-circuiting
+ expect("t && abort()", NULL, &errors);
+
+ // logical or
+ expect("a || b", "a", &errors);
+ expect("a || \"\"", "a", &errors);
+ expect("\"\" || b", "b", &errors);
+ expect("\"\" || \"\"", "", &errors);
+ expect("a || abort()", "a", &errors); // test short-circuiting
+ expect("\"\" || abort()", NULL, &errors);
+
+ // logical not
+ expect("!a", "", &errors);
+ expect("! \"\"", "t", &errors);
+ expect("!!a", "t", &errors);
+
+ // precedence
+ expect("\"\" == \"\" && b", "b", &errors);
+ expect("a + b == ab", "t", &errors);
+ expect("ab == a + b", "t", &errors);
+ expect("a + (b == ab)", "a", &errors);
+ expect("(ab == a) + b", "b", &errors);
+
+ // substring function
+ expect("is_substring(cad, abracadabra)", "t", &errors);
+ expect("is_substring(abrac, abracadabra)", "t", &errors);
+ expect("is_substring(dabra, abracadabra)", "t", &errors);
+ expect("is_substring(cad, abracxadabra)", "", &errors);
+ expect("is_substring(abrac, axbracadabra)", "", &errors);
+ expect("is_substring(dabra, abracadabrxa)", "", &errors);
+
+ // ifelse function
+ expect("ifelse(t, yes, no)", "yes", &errors);
+ expect("ifelse(!t, yes, no)", "no", &errors);
+ expect("ifelse(t, yes, abort())", "yes", &errors);
+ expect("ifelse(!t, abort(), no)", "no", &errors);
+
+ // if "statements"
+ expect("if t then yes else no endif", "yes", &errors);
+ expect("if \"\" then yes else no endif", "no", &errors);
+ expect("if \"\" then yes endif", "", &errors);
+ expect("if \"\"; t then yes endif", "yes", &errors);
+
+ // numeric comparisons
+ expect("less_than_int(3, 14)", "t", &errors);
+ expect("less_than_int(14, 3)", "", &errors);
+ expect("less_than_int(x, 3)", "", &errors);
+ expect("less_than_int(3, x)", "", &errors);
+ expect("greater_than_int(3, 14)", "", &errors);
+ expect("greater_than_int(14, 3)", "t", &errors);
+ expect("greater_than_int(x, 3)", "", &errors);
+ expect("greater_than_int(3, x)", "", &errors);
+
+ // big string
+ expect(std::string(8192, 's').c_str(), std::string(8192, 's').c_str(), &errors);
+
+ printf("\n");
+
+ return errors;
+}
+
+void ExprDump(int depth, Expr* n, char* script) {
+ printf("%*s", depth*2, "");
+ char temp = script[n->end];
+ script[n->end] = '\0';
+ printf("%s %p (%d-%d) \"%s\"\n",
+ n->name == NULL ? "(NULL)" : n->name, n->fn, n->start, n->end,
+ script+n->start);
+ script[n->end] = temp;
+ int i;
+ for (i = 0; i < n->argc; ++i) {
+ ExprDump(depth+1, n->argv[i], script);
+ }
+}
+
+int main(int argc, char** argv) {
+ RegisterBuiltins();
+ FinishRegistration();
+
+ if (argc == 1) {
+ return test() != 0;
+ }
+
+ FILE* f = fopen(argv[1], "r");
+ if (f == NULL) {
+ printf("%s: %s: No such file or directory\n", argv[0], argv[1]);
+ return 1;
+ }
+ char buffer[8192];
+ int size = fread(buffer, 1, 8191, f);
+ fclose(f);
+ buffer[size] = '\0';
+
+ Expr* root;
+ int error_count = 0;
+ int error = parse_string(buffer, &root, &error_count);
+ printf("parse returned %d; %d errors encountered\n", error, error_count);
+ if (error == 0 || error_count > 0) {
+
+ ExprDump(0, root, buffer);
+
+ State state;
+ state.cookie = NULL;
+ state.script = buffer;
+ state.errmsg = NULL;
+
+ char* result = Evaluate(&state, root);
+ if (result == NULL) {
+ printf("result was NULL, message is: %s\n",
+ (state.errmsg == NULL ? "(NULL)" : state.errmsg));
+ free(state.errmsg);
+ } else {
+ printf("result is [%s]\n", result);
+ }
+ }
+ return 0;
+}
diff --git a/edify/parser.y b/edify/parser.y
deleted file mode 100644
index f8fb2d1..0000000
--- a/edify/parser.y
+++ /dev/null
@@ -1,139 +0,0 @@
-%{
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "expr.h"
-#include "yydefs.h"
-#include "parser.h"
-
-extern int gLine;
-extern int gColumn;
-
-void yyerror(Expr** root, int* error_count, const char* s);
-int yyparse(Expr** root, int* error_count);
-
-struct yy_buffer_state;
-void yy_switch_to_buffer(struct yy_buffer_state* new_buffer);
-struct yy_buffer_state* yy_scan_string(const char* yystr);
-
-%}
-
-%locations
-
-%union {
- char* str;
- Expr* expr;
- struct {
- int argc;
- Expr** argv;
- } args;
-}
-
-%token AND OR SUBSTR SUPERSTR EQ NE IF THEN ELSE ENDIF
-%token <str> STRING BAD
-%type <expr> expr
-%type <args> arglist
-
-%parse-param {Expr** root}
-%parse-param {int* error_count}
-%error-verbose
-
-/* declarations in increasing order of precedence */
-%left ';'
-%left ','
-%left OR
-%left AND
-%left EQ NE
-%left '+'
-%right '!'
-
-%%
-
-input: expr { *root = $1; }
-;
-
-expr: STRING {
- $$ = malloc(sizeof(Expr));
- $$->fn = Literal;
- $$->name = $1;
- $$->argc = 0;
- $$->argv = NULL;
- $$->start = @$.start;
- $$->end = @$.end;
-}
-| '(' expr ')' { $$ = $2; $$->start=@$.start; $$->end=@$.end; }
-| expr ';' { $$ = $1; $$->start=@1.start; $$->end=@1.end; }
-| expr ';' expr { $$ = Build(SequenceFn, @$, 2, $1, $3); }
-| error ';' expr { $$ = $3; $$->start=@$.start; $$->end=@$.end; }
-| expr '+' expr { $$ = Build(ConcatFn, @$, 2, $1, $3); }
-| expr EQ expr { $$ = Build(EqualityFn, @$, 2, $1, $3); }
-| expr NE expr { $$ = Build(InequalityFn, @$, 2, $1, $3); }
-| expr AND expr { $$ = Build(LogicalAndFn, @$, 2, $1, $3); }
-| expr OR expr { $$ = Build(LogicalOrFn, @$, 2, $1, $3); }
-| '!' expr { $$ = Build(LogicalNotFn, @$, 1, $2); }
-| IF expr THEN expr ENDIF { $$ = Build(IfElseFn, @$, 2, $2, $4); }
-| IF expr THEN expr ELSE expr ENDIF { $$ = Build(IfElseFn, @$, 3, $2, $4, $6); }
-| STRING '(' arglist ')' {
- $$ = malloc(sizeof(Expr));
- $$->fn = FindFunction($1);
- if ($$->fn == NULL) {
- char buffer[256];
- snprintf(buffer, sizeof(buffer), "unknown function \"%s\"", $1);
- yyerror(root, error_count, buffer);
- YYERROR;
- }
- $$->name = $1;
- $$->argc = $3.argc;
- $$->argv = $3.argv;
- $$->start = @$.start;
- $$->end = @$.end;
-}
-;
-
-arglist: /* empty */ {
- $$.argc = 0;
- $$.argv = NULL;
-}
-| expr {
- $$.argc = 1;
- $$.argv = malloc(sizeof(Expr*));
- $$.argv[0] = $1;
-}
-| arglist ',' expr {
- $$.argc = $1.argc + 1;
- $$.argv = realloc($$.argv, $$.argc * sizeof(Expr*));
- $$.argv[$$.argc-1] = $3;
-}
-;
-
-%%
-
-void yyerror(Expr** root, int* error_count, const char* s) {
- if (strlen(s) == 0) {
- s = "syntax error";
- }
- printf("line %d col %d: %s\n", gLine, gColumn, s);
- ++*error_count;
-}
-
-int parse_string(const char* str, Expr** root, int* error_count) {
- yy_switch_to_buffer(yy_scan_string(str));
- return yyparse(root, error_count);
-}
diff --git a/edify/parser.yy b/edify/parser.yy
new file mode 100644
index 0000000..098a637
--- /dev/null
+++ b/edify/parser.yy
@@ -0,0 +1,139 @@
+%{
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "expr.h"
+#include "yydefs.h"
+#include "parser.h"
+
+extern int gLine;
+extern int gColumn;
+
+void yyerror(Expr** root, int* error_count, const char* s);
+int yyparse(Expr** root, int* error_count);
+
+struct yy_buffer_state;
+void yy_switch_to_buffer(struct yy_buffer_state* new_buffer);
+struct yy_buffer_state* yy_scan_string(const char* yystr);
+
+%}
+
+%locations
+
+%union {
+ char* str;
+ Expr* expr;
+ struct {
+ int argc;
+ Expr** argv;
+ } args;
+}
+
+%token AND OR SUBSTR SUPERSTR EQ NE IF THEN ELSE ENDIF
+%token <str> STRING BAD
+%type <expr> expr
+%type <args> arglist
+
+%parse-param {Expr** root}
+%parse-param {int* error_count}
+%error-verbose
+
+/* declarations in increasing order of precedence */
+%left ';'
+%left ','
+%left OR
+%left AND
+%left EQ NE
+%left '+'
+%right '!'
+
+%%
+
+input: expr { *root = $1; }
+;
+
+expr: STRING {
+ $$ = reinterpret_cast<Expr*>(malloc(sizeof(Expr)));
+ $$->fn = Literal;
+ $$->name = $1;
+ $$->argc = 0;
+ $$->argv = NULL;
+ $$->start = @$.start;
+ $$->end = @$.end;
+}
+| '(' expr ')' { $$ = $2; $$->start=@$.start; $$->end=@$.end; }
+| expr ';' { $$ = $1; $$->start=@1.start; $$->end=@1.end; }
+| expr ';' expr { $$ = Build(SequenceFn, @$, 2, $1, $3); }
+| error ';' expr { $$ = $3; $$->start=@$.start; $$->end=@$.end; }
+| expr '+' expr { $$ = Build(ConcatFn, @$, 2, $1, $3); }
+| expr EQ expr { $$ = Build(EqualityFn, @$, 2, $1, $3); }
+| expr NE expr { $$ = Build(InequalityFn, @$, 2, $1, $3); }
+| expr AND expr { $$ = Build(LogicalAndFn, @$, 2, $1, $3); }
+| expr OR expr { $$ = Build(LogicalOrFn, @$, 2, $1, $3); }
+| '!' expr { $$ = Build(LogicalNotFn, @$, 1, $2); }
+| IF expr THEN expr ENDIF { $$ = Build(IfElseFn, @$, 2, $2, $4); }
+| IF expr THEN expr ELSE expr ENDIF { $$ = Build(IfElseFn, @$, 3, $2, $4, $6); }
+| STRING '(' arglist ')' {
+ $$ = reinterpret_cast<Expr*>(malloc(sizeof(Expr)));
+ $$->fn = FindFunction($1);
+ if ($$->fn == NULL) {
+ char buffer[256];
+ snprintf(buffer, sizeof(buffer), "unknown function \"%s\"", $1);
+ yyerror(root, error_count, buffer);
+ YYERROR;
+ }
+ $$->name = $1;
+ $$->argc = $3.argc;
+ $$->argv = $3.argv;
+ $$->start = @$.start;
+ $$->end = @$.end;
+}
+;
+
+arglist: /* empty */ {
+ $$.argc = 0;
+ $$.argv = NULL;
+}
+| expr {
+ $$.argc = 1;
+ $$.argv = reinterpret_cast<Expr**>(malloc(sizeof(Expr*)));
+ $$.argv[0] = $1;
+}
+| arglist ',' expr {
+ $$.argc = $1.argc + 1;
+ $$.argv = reinterpret_cast<Expr**>(realloc($$.argv, $$.argc * sizeof(Expr*)));
+ $$.argv[$$.argc-1] = $3;
+}
+;
+
+%%
+
+void yyerror(Expr** root, int* error_count, const char* s) {
+ if (strlen(s) == 0) {
+ s = "syntax error";
+ }
+ printf("line %d col %d: %s\n", gLine, gColumn, s);
+ ++*error_count;
+}
+
+int parse_string(const char* str, Expr** root, int* error_count) {
+ yy_switch_to_buffer(yy_scan_string(str));
+ return yyparse(root, error_count);
+}
diff --git a/error_code.h b/error_code.h
new file mode 100644
index 0000000..259319a
--- /dev/null
+++ b/error_code.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _ERROR_CODE_H_
+#define _ERROR_CODE_H_
+
+enum ErrorCode {
+ kNoError = -1,
+ kLowBattery = 20,
+ kZipVerificationFailure,
+ kZipOpenFailure
+};
+
+enum CauseCode {
+ kNoCause = -1,
+ kArgsParsingFailure = 100,
+ kStashCreationFailure,
+ kFileOpenFailure,
+ kLseekFailure,
+ kFreadFailure,
+ kFwriteFailure,
+ kFsyncFailure,
+ kLibfecFailure,
+ kFileGetPropFailure,
+ kFileRenameFailure,
+ kSymlinkFailure,
+ kSetMetadataFailure,
+ kTune2FsFailure,
+ kRebootFailure,
+ kVendorFailure = 200
+};
+
+#endif
diff --git a/etc/init.rc b/etc/init.rc
index 4277277..5915b8d 100644
--- a/etc/init.rc
+++ b/etc/init.rc
@@ -1,11 +1,13 @@
import /init.recovery.${ro.hardware}.rc
on early-init
+ # Set the security context of /postinstall if present.
+ restorecon /postinstall
+
start ueventd
start healthd
on init
- export PATH /sbin:/system/bin
export ANDROID_ROOT /system
export ANDROID_DATA /data
export EXTERNAL_STORAGE /sdcard
diff --git a/fuse_sdcard_provider.c b/fuse_sdcard_provider.c
deleted file mode 100644
index 4565c7b..0000000
--- a/fuse_sdcard_provider.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <pthread.h>
-#include <sys/mount.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-#include "fuse_sideload.h"
-
-struct file_data {
- int fd; // the underlying sdcard file
-
- uint64_t file_size;
- uint32_t block_size;
-};
-
-static int read_block_file(void* cookie, uint32_t block, uint8_t* buffer, uint32_t fetch_size) {
- struct file_data* fd = (struct file_data*)cookie;
-
- off64_t offset = ((off64_t) block) * fd->block_size;
- if (TEMP_FAILURE_RETRY(lseek64(fd->fd, offset, SEEK_SET)) == -1) {
- fprintf(stderr, "seek on sdcard failed: %s\n", strerror(errno));
- return -EIO;
- }
-
- while (fetch_size > 0) {
- ssize_t r = TEMP_FAILURE_RETRY(read(fd->fd, buffer, fetch_size));
- if (r == -1) {
- fprintf(stderr, "read on sdcard failed: %s\n", strerror(errno));
- return -EIO;
- }
- fetch_size -= r;
- buffer += r;
- }
-
- return 0;
-}
-
-static void close_file(void* cookie) {
- struct file_data* fd = (struct file_data*)cookie;
- close(fd->fd);
-}
-
-struct token {
- pthread_t th;
- const char* path;
- int result;
-};
-
-static void* run_sdcard_fuse(void* cookie) {
- struct token* t = (struct token*)cookie;
-
- struct stat sb;
- if (stat(t->path, &sb) < 0) {
- fprintf(stderr, "failed to stat %s: %s\n", t->path, strerror(errno));
- t->result = -1;
- return NULL;
- }
-
- struct file_data fd;
- struct provider_vtab vtab;
-
- fd.fd = open(t->path, O_RDONLY);
- if (fd.fd < 0) {
- fprintf(stderr, "failed to open %s: %s\n", t->path, strerror(errno));
- t->result = -1;
- return NULL;
- }
- fd.file_size = sb.st_size;
- fd.block_size = 65536;
-
- vtab.read_block = read_block_file;
- vtab.close = close_file;
-
- t->result = run_fuse_sideload(&vtab, &fd, fd.file_size, fd.block_size);
- return NULL;
-}
-
-// How long (in seconds) we wait for the fuse-provided package file to
-// appear, before timing out.
-#define SDCARD_INSTALL_TIMEOUT 10
-
-void* start_sdcard_fuse(const char* path) {
- struct token* t = malloc(sizeof(struct token));
-
- t->path = path;
- pthread_create(&(t->th), NULL, run_sdcard_fuse, t);
-
- struct stat st;
- int i;
- for (i = 0; i < SDCARD_INSTALL_TIMEOUT; ++i) {
- if (stat(FUSE_SIDELOAD_HOST_PATHNAME, &st) != 0) {
- if (errno == ENOENT && i < SDCARD_INSTALL_TIMEOUT-1) {
- sleep(1);
- continue;
- } else {
- return NULL;
- }
- }
- }
-
- // The installation process expects to find the sdcard unmounted.
- // Unmount it with MNT_DETACH so that our open file continues to
- // work but new references see it as unmounted.
- umount2("/sdcard", MNT_DETACH);
-
- return t;
-}
-
-void finish_sdcard_fuse(void* cookie) {
- if (cookie == NULL) return;
- struct token* t = (struct token*)cookie;
-
- // Calling stat() on this magic filename signals the fuse
- // filesystem to shut down.
- struct stat st;
- stat(FUSE_SIDELOAD_HOST_EXIT_PATHNAME, &st);
-
- pthread_join(t->th, NULL);
- free(t);
-}
diff --git a/fuse_sdcard_provider.cpp b/fuse_sdcard_provider.cpp
new file mode 100644
index 0000000..df96312
--- /dev/null
+++ b/fuse_sdcard_provider.cpp
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include "fuse_sideload.h"
+
+struct file_data {
+ int fd; // the underlying sdcard file
+
+ uint64_t file_size;
+ uint32_t block_size;
+};
+
+static int read_block_file(void* cookie, uint32_t block, uint8_t* buffer, uint32_t fetch_size) {
+ file_data* fd = reinterpret_cast<file_data*>(cookie);
+
+ off64_t offset = ((off64_t) block) * fd->block_size;
+ if (TEMP_FAILURE_RETRY(lseek64(fd->fd, offset, SEEK_SET)) == -1) {
+ fprintf(stderr, "seek on sdcard failed: %s\n", strerror(errno));
+ return -EIO;
+ }
+
+ while (fetch_size > 0) {
+ ssize_t r = TEMP_FAILURE_RETRY(read(fd->fd, buffer, fetch_size));
+ if (r == -1) {
+ fprintf(stderr, "read on sdcard failed: %s\n", strerror(errno));
+ return -EIO;
+ }
+ fetch_size -= r;
+ buffer += r;
+ }
+
+ return 0;
+}
+
+static void close_file(void* cookie) {
+ file_data* fd = reinterpret_cast<file_data*>(cookie);
+ close(fd->fd);
+}
+
+bool start_sdcard_fuse(const char* path) {
+ struct stat sb;
+ if (stat(path, &sb) == -1) {
+ fprintf(stderr, "failed to stat %s: %s\n", path, strerror(errno));
+ return false;
+ }
+
+ file_data fd;
+ fd.fd = open(path, O_RDONLY);
+ if (fd.fd == -1) {
+ fprintf(stderr, "failed to open %s: %s\n", path, strerror(errno));
+ return false;
+ }
+ fd.file_size = sb.st_size;
+ fd.block_size = 65536;
+
+ provider_vtab vtab;
+ vtab.read_block = read_block_file;
+ vtab.close = close_file;
+
+ // The installation process expects to find the sdcard unmounted.
+ // Unmount it with MNT_DETACH so that our open file continues to
+ // work but new references see it as unmounted.
+ umount2("/sdcard", MNT_DETACH);
+
+ return run_fuse_sideload(&vtab, &fd, fd.file_size, fd.block_size) == 0;
+}
diff --git a/fuse_sdcard_provider.h b/fuse_sdcard_provider.h
index dbfbcd5..bdc60f2 100644
--- a/fuse_sdcard_provider.h
+++ b/fuse_sdcard_provider.h
@@ -17,13 +17,6 @@
#ifndef __FUSE_SDCARD_PROVIDER_H
#define __FUSE_SDCARD_PROVIDER_H
-#include <sys/cdefs.h>
-
-__BEGIN_DECLS
-
-void* start_sdcard_fuse(const char* path);
-void finish_sdcard_fuse(void* token);
-
-__END_DECLS
+bool start_sdcard_fuse(const char* path);
#endif
diff --git a/fuse_sideload.c b/fuse_sideload.c
deleted file mode 100644
index 48e6cc5..0000000
--- a/fuse_sideload.c
+++ /dev/null
@@ -1,527 +0,0 @@
-/*
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// This module creates a special filesystem containing two files.
-//
-// "/sideload/package.zip" appears to be a normal file, but reading
-// from it causes data to be fetched from the adb host. We can use
-// this to sideload packages over an adb connection without having to
-// store the entire package in RAM on the device.
-//
-// Because we may not trust the adb host, this filesystem maintains
-// the following invariant: each read of a given position returns the
-// same data as the first read at that position. That is, once a
-// section of the file is read, future reads of that section return
-// the same data. (Otherwise, a malicious adb host process could
-// return one set of bits when the package is read for signature
-// verification, and then different bits for when the package is
-// accessed by the installer.) If the adb host returns something
-// different than it did on the first read, the reader of the file
-// will see their read fail with EINVAL.
-//
-// The other file, "/sideload/exit", is used to control the subprocess
-// that creates this filesystem. Calling stat() on the exit file
-// causes the filesystem to be unmounted and the adb process on the
-// device shut down.
-//
-// Note that only the minimal set of file operations needed for these
-// two files is implemented. In particular, you can't opendir() or
-// readdir() on the "/sideload" directory; ls on it won't work.
-
-#include <ctype.h>
-#include <dirent.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <linux/fuse.h>
-#include <pthread.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/inotify.h>
-#include <sys/mount.h>
-#include <sys/param.h>
-#include <sys/resource.h>
-#include <sys/stat.h>
-#include <sys/statfs.h>
-#include <sys/time.h>
-#include <sys/uio.h>
-#include <unistd.h>
-
-#include "mincrypt/sha256.h"
-#include "fuse_sideload.h"
-
-#define PACKAGE_FILE_ID (FUSE_ROOT_ID+1)
-#define EXIT_FLAG_ID (FUSE_ROOT_ID+2)
-
-#define NO_STATUS 1
-#define NO_STATUS_EXIT 2
-
-struct fuse_data {
- int ffd; // file descriptor for the fuse socket
-
- struct provider_vtab* vtab;
- void* cookie;
-
- uint64_t file_size; // bytes
-
- uint32_t block_size; // block size that the adb host is using to send the file to us
- uint32_t file_blocks; // file size in block_size blocks
-
- uid_t uid;
- gid_t gid;
-
- uint32_t curr_block; // cache the block most recently read from the host
- uint8_t* block_data;
-
- uint8_t* extra_block; // another block of storage for reads that
- // span two blocks
-
- uint8_t* hashes; // SHA-256 hash of each block (all zeros
- // if block hasn't been read yet)
-};
-
-static void fuse_reply(struct fuse_data* fd, __u64 unique, const void *data, size_t len)
-{
- struct fuse_out_header hdr;
- struct iovec vec[2];
- int res;
-
- hdr.len = len + sizeof(hdr);
- hdr.error = 0;
- hdr.unique = unique;
-
- vec[0].iov_base = &hdr;
- vec[0].iov_len = sizeof(hdr);
- vec[1].iov_base = /* const_cast */(void*)(data);
- vec[1].iov_len = len;
-
- res = writev(fd->ffd, vec, 2);
- if (res < 0) {
- printf("*** REPLY FAILED *** %s\n", strerror(errno));
- }
-}
-
-static int handle_init(void* data, struct fuse_data* fd, const struct fuse_in_header* hdr) {
- const struct fuse_init_in* req = data;
- struct fuse_init_out out;
- size_t fuse_struct_size;
-
-
- /* Kernel 2.6.16 is the first stable kernel with struct fuse_init_out
- * defined (fuse version 7.6). The structure is the same from 7.6 through
- * 7.22. Beginning with 7.23, the structure increased in size and added
- * new parameters.
- */
- if (req->major != FUSE_KERNEL_VERSION || req->minor < 6) {
- printf("Fuse kernel version mismatch: Kernel version %d.%d, Expected at least %d.6",
- req->major, req->minor, FUSE_KERNEL_VERSION);
- return -1;
- }
-
- out.minor = MIN(req->minor, FUSE_KERNEL_MINOR_VERSION);
- fuse_struct_size = sizeof(out);
-#if defined(FUSE_COMPAT_22_INIT_OUT_SIZE)
- /* FUSE_KERNEL_VERSION >= 23. */
-
- /* If the kernel only works on minor revs older than or equal to 22,
- * then use the older structure size since this code only uses the 7.22
- * version of the structure. */
- if (req->minor <= 22) {
- fuse_struct_size = FUSE_COMPAT_22_INIT_OUT_SIZE;
- }
-#endif
-
- out.major = FUSE_KERNEL_VERSION;
- out.max_readahead = req->max_readahead;
- out.flags = 0;
- out.max_background = 32;
- out.congestion_threshold = 32;
- out.max_write = 4096;
- fuse_reply(fd, hdr->unique, &out, fuse_struct_size);
-
- return NO_STATUS;
-}
-
-static void fill_attr(struct fuse_attr* attr, struct fuse_data* fd,
- uint64_t nodeid, uint64_t size, uint32_t mode) {
- memset(attr, 0, sizeof(*attr));
- attr->nlink = 1;
- attr->uid = fd->uid;
- attr->gid = fd->gid;
- attr->blksize = 4096;
-
- attr->ino = nodeid;
- attr->size = size;
- attr->blocks = (size == 0) ? 0 : (((size-1) / attr->blksize) + 1);
- attr->mode = mode;
-}
-
-static int handle_getattr(void* data, struct fuse_data* fd, const struct fuse_in_header* hdr) {
- const struct fuse_getattr_in* req = data;
- struct fuse_attr_out out;
- memset(&out, 0, sizeof(out));
- out.attr_valid = 10;
-
- if (hdr->nodeid == FUSE_ROOT_ID) {
- fill_attr(&(out.attr), fd, hdr->nodeid, 4096, S_IFDIR | 0555);
- } else if (hdr->nodeid == PACKAGE_FILE_ID) {
- fill_attr(&(out.attr), fd, PACKAGE_FILE_ID, fd->file_size, S_IFREG | 0444);
- } else if (hdr->nodeid == EXIT_FLAG_ID) {
- fill_attr(&(out.attr), fd, EXIT_FLAG_ID, 0, S_IFREG | 0);
- } else {
- return -ENOENT;
- }
-
- fuse_reply(fd, hdr->unique, &out, sizeof(out));
- return (hdr->nodeid == EXIT_FLAG_ID) ? NO_STATUS_EXIT : NO_STATUS;
-}
-
-static int handle_lookup(void* data, struct fuse_data* fd,
- const struct fuse_in_header* hdr) {
- struct fuse_entry_out out;
- memset(&out, 0, sizeof(out));
- out.entry_valid = 10;
- out.attr_valid = 10;
-
- if (strncmp(FUSE_SIDELOAD_HOST_FILENAME, data,
- sizeof(FUSE_SIDELOAD_HOST_FILENAME)) == 0) {
- out.nodeid = PACKAGE_FILE_ID;
- out.generation = PACKAGE_FILE_ID;
- fill_attr(&(out.attr), fd, PACKAGE_FILE_ID, fd->file_size, S_IFREG | 0444);
- } else if (strncmp(FUSE_SIDELOAD_HOST_EXIT_FLAG, data,
- sizeof(FUSE_SIDELOAD_HOST_EXIT_FLAG)) == 0) {
- out.nodeid = EXIT_FLAG_ID;
- out.generation = EXIT_FLAG_ID;
- fill_attr(&(out.attr), fd, EXIT_FLAG_ID, 0, S_IFREG | 0);
- } else {
- return -ENOENT;
- }
-
- fuse_reply(fd, hdr->unique, &out, sizeof(out));
- return (out.nodeid == EXIT_FLAG_ID) ? NO_STATUS_EXIT : NO_STATUS;
-}
-
-static int handle_open(void* data, struct fuse_data* fd, const struct fuse_in_header* hdr) {
- const struct fuse_open_in* req = data;
-
- if (hdr->nodeid == EXIT_FLAG_ID) return -EPERM;
- if (hdr->nodeid != PACKAGE_FILE_ID) return -ENOENT;
-
- struct fuse_open_out out;
- memset(&out, 0, sizeof(out));
- out.fh = 10; // an arbitrary number; we always use the same handle
- fuse_reply(fd, hdr->unique, &out, sizeof(out));
- return NO_STATUS;
-}
-
-static int handle_flush(void* data, struct fuse_data* fd, const struct fuse_in_header* hdr) {
- return 0;
-}
-
-static int handle_release(void* data, struct fuse_data* fd, const struct fuse_in_header* hdr) {
- return 0;
-}
-
-// Fetch a block from the host into fd->curr_block and fd->block_data.
-// Returns 0 on successful fetch, negative otherwise.
-static int fetch_block(struct fuse_data* fd, uint32_t block) {
- if (block == fd->curr_block) {
- return 0;
- }
-
- if (block >= fd->file_blocks) {
- memset(fd->block_data, 0, fd->block_size);
- fd->curr_block = block;
- return 0;
- }
-
- size_t fetch_size = fd->block_size;
- if (block * fd->block_size + fetch_size > fd->file_size) {
- // If we're reading the last (partial) block of the file,
- // expect a shorter response from the host, and pad the rest
- // of the block with zeroes.
- fetch_size = fd->file_size - (block * fd->block_size);
- memset(fd->block_data + fetch_size, 0, fd->block_size - fetch_size);
- }
-
- int result = fd->vtab->read_block(fd->cookie, block, fd->block_data, fetch_size);
- if (result < 0) return result;
-
- fd->curr_block = block;
-
- // Verify the hash of the block we just got from the host.
- //
- // - If the hash of the just-received data matches the stored hash
- // for the block, accept it.
- // - If the stored hash is all zeroes, store the new hash and
- // accept the block (this is the first time we've read this
- // block).
- // - Otherwise, return -EINVAL for the read.
-
- uint8_t hash[SHA256_DIGEST_SIZE];
- SHA256_hash(fd->block_data, fd->block_size, hash);
- uint8_t* blockhash = fd->hashes + block * SHA256_DIGEST_SIZE;
- if (memcmp(hash, blockhash, SHA256_DIGEST_SIZE) == 0) {
- return 0;
- }
-
- int i;
- for (i = 0; i < SHA256_DIGEST_SIZE; ++i) {
- if (blockhash[i] != 0) {
- fd->curr_block = -1;
- return -EIO;
- }
- }
-
- memcpy(blockhash, hash, SHA256_DIGEST_SIZE);
- return 0;
-}
-
-static int handle_read(void* data, struct fuse_data* fd, const struct fuse_in_header* hdr) {
- const struct fuse_read_in* req = data;
- struct fuse_out_header outhdr;
- struct iovec vec[3];
- int vec_used;
- int result;
-
- if (hdr->nodeid != PACKAGE_FILE_ID) return -ENOENT;
-
- uint64_t offset = req->offset;
- uint32_t size = req->size;
-
- // The docs on the fuse kernel interface are vague about what to
- // do when a read request extends past the end of the file. We
- // can return a short read -- the return structure does include a
- // length field -- but in testing that caused the program using
- // the file to segfault. (I speculate that this is due to the
- // reading program accessing it via mmap; maybe mmap dislikes when
- // you return something short of a whole page?) To fix this we
- // zero-pad reads that extend past the end of the file so we're
- // always returning exactly as many bytes as were requested.
- // (Users of the mapped file have to know its real length anyway.)
-
- outhdr.len = sizeof(outhdr) + size;
- outhdr.error = 0;
- outhdr.unique = hdr->unique;
- vec[0].iov_base = &outhdr;
- vec[0].iov_len = sizeof(outhdr);
-
- uint32_t block = offset / fd->block_size;
- result = fetch_block(fd, block);
- if (result != 0) return result;
-
- // Two cases:
- //
- // - the read request is entirely within this block. In this
- // case we can reply immediately.
- //
- // - the read request goes over into the next block. Note that
- // since we mount the filesystem with max_read=block_size, a
- // read can never span more than two blocks. In this case we
- // copy the block to extra_block and issue a fetch for the
- // following block.
-
- uint32_t block_offset = offset - (block * fd->block_size);
-
- if (size + block_offset <= fd->block_size) {
- // First case: the read fits entirely in the first block.
-
- vec[1].iov_base = fd->block_data + block_offset;
- vec[1].iov_len = size;
- vec_used = 2;
- } else {
- // Second case: the read spills over into the next block.
-
- memcpy(fd->extra_block, fd->block_data + block_offset,
- fd->block_size - block_offset);
- vec[1].iov_base = fd->extra_block;
- vec[1].iov_len = fd->block_size - block_offset;
-
- result = fetch_block(fd, block+1);
- if (result != 0) return result;
- vec[2].iov_base = fd->block_data;
- vec[2].iov_len = size - vec[1].iov_len;
- vec_used = 3;
- }
-
- if (writev(fd->ffd, vec, vec_used) < 0) {
- printf("*** READ REPLY FAILED: %s ***\n", strerror(errno));
- }
- return NO_STATUS;
-}
-
-int run_fuse_sideload(struct provider_vtab* vtab, void* cookie,
- uint64_t file_size, uint32_t block_size)
-{
- int result;
-
- // If something's already mounted on our mountpoint, try to remove
- // it. (Mostly in case of a previous abnormal exit.)
- umount2(FUSE_SIDELOAD_HOST_MOUNTPOINT, MNT_FORCE);
-
- if (block_size < 1024) {
- fprintf(stderr, "block size (%u) is too small\n", block_size);
- return -1;
- }
- if (block_size > (1<<22)) { // 4 MiB
- fprintf(stderr, "block size (%u) is too large\n", block_size);
- return -1;
- }
-
- struct fuse_data fd;
- memset(&fd, 0, sizeof(fd));
- fd.vtab = vtab;
- fd.cookie = cookie;
- fd.file_size = file_size;
- fd.block_size = block_size;
- fd.file_blocks = (file_size == 0) ? 0 : (((file_size-1) / block_size) + 1);
-
- if (fd.file_blocks > (1<<18)) {
- fprintf(stderr, "file has too many blocks (%u)\n", fd.file_blocks);
- result = -1;
- goto done;
- }
-
- fd.hashes = (uint8_t*)calloc(fd.file_blocks, SHA256_DIGEST_SIZE);
- if (fd.hashes == NULL) {
- fprintf(stderr, "failed to allocate %d bites for hashes\n",
- fd.file_blocks * SHA256_DIGEST_SIZE);
- result = -1;
- goto done;
- }
-
- fd.uid = getuid();
- fd.gid = getgid();
-
- fd.curr_block = -1;
- fd.block_data = (uint8_t*)malloc(block_size);
- if (fd.block_data == NULL) {
- fprintf(stderr, "failed to allocate %d bites for block_data\n", block_size);
- result = -1;
- goto done;
- }
- fd.extra_block = (uint8_t*)malloc(block_size);
- if (fd.extra_block == NULL) {
- fprintf(stderr, "failed to allocate %d bites for extra_block\n", block_size);
- result = -1;
- goto done;
- }
-
- fd.ffd = open("/dev/fuse", O_RDWR);
- if (fd.ffd < 0) {
- perror("open /dev/fuse");
- result = -1;
- goto done;
- }
-
- char opts[256];
- snprintf(opts, sizeof(opts),
- ("fd=%d,user_id=%d,group_id=%d,max_read=%u,"
- "allow_other,rootmode=040000"),
- fd.ffd, fd.uid, fd.gid, block_size);
-
- result = mount("/dev/fuse", FUSE_SIDELOAD_HOST_MOUNTPOINT,
- "fuse", MS_NOSUID | MS_NODEV | MS_RDONLY | MS_NOEXEC, opts);
- if (result < 0) {
- perror("mount");
- goto done;
- }
- uint8_t request_buffer[sizeof(struct fuse_in_header) + PATH_MAX*8];
- for (;;) {
- ssize_t len = TEMP_FAILURE_RETRY(read(fd.ffd, request_buffer, sizeof(request_buffer)));
- if (len == -1) {
- perror("read request");
- if (errno == ENODEV) {
- result = -1;
- break;
- }
- continue;
- }
-
- if ((size_t)len < sizeof(struct fuse_in_header)) {
- fprintf(stderr, "request too short: len=%zu\n", (size_t)len);
- continue;
- }
-
- struct fuse_in_header* hdr = (struct fuse_in_header*) request_buffer;
- void* data = request_buffer + sizeof(struct fuse_in_header);
-
- result = -ENOSYS;
-
- switch (hdr->opcode) {
- case FUSE_INIT:
- result = handle_init(data, &fd, hdr);
- break;
-
- case FUSE_LOOKUP:
- result = handle_lookup(data, &fd, hdr);
- break;
-
- case FUSE_GETATTR:
- result = handle_getattr(data, &fd, hdr);
- break;
-
- case FUSE_OPEN:
- result = handle_open(data, &fd, hdr);
- break;
-
- case FUSE_READ:
- result = handle_read(data, &fd, hdr);
- break;
-
- case FUSE_FLUSH:
- result = handle_flush(data, &fd, hdr);
- break;
-
- case FUSE_RELEASE:
- result = handle_release(data, &fd, hdr);
- break;
-
- default:
- fprintf(stderr, "unknown fuse request opcode %d\n", hdr->opcode);
- break;
- }
-
- if (result == NO_STATUS_EXIT) {
- result = 0;
- break;
- }
-
- if (result != NO_STATUS) {
- struct fuse_out_header outhdr;
- outhdr.len = sizeof(outhdr);
- outhdr.error = result;
- outhdr.unique = hdr->unique;
- TEMP_FAILURE_RETRY(write(fd.ffd, &outhdr, sizeof(outhdr)));
- }
- }
-
- done:
- fd.vtab->close(fd.cookie);
-
- result = umount2(FUSE_SIDELOAD_HOST_MOUNTPOINT, MNT_DETACH);
- if (result < 0) {
- printf("fuse_sideload umount failed: %s\n", strerror(errno));
- }
-
- if (fd.ffd) close(fd.ffd);
- free(fd.hashes);
- free(fd.block_data);
- free(fd.extra_block);
-
- return result;
-}
diff --git a/fuse_sideload.cpp b/fuse_sideload.cpp
new file mode 100644
index 0000000..1725e88
--- /dev/null
+++ b/fuse_sideload.cpp
@@ -0,0 +1,525 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// This module creates a special filesystem containing two files.
+//
+// "/sideload/package.zip" appears to be a normal file, but reading
+// from it causes data to be fetched from the adb host. We can use
+// this to sideload packages over an adb connection without having to
+// store the entire package in RAM on the device.
+//
+// Because we may not trust the adb host, this filesystem maintains
+// the following invariant: each read of a given position returns the
+// same data as the first read at that position. That is, once a
+// section of the file is read, future reads of that section return
+// the same data. (Otherwise, a malicious adb host process could
+// return one set of bits when the package is read for signature
+// verification, and then different bits for when the package is
+// accessed by the installer.) If the adb host returns something
+// different than it did on the first read, the reader of the file
+// will see their read fail with EINVAL.
+//
+// The other file, "/sideload/exit", is used to control the subprocess
+// that creates this filesystem. Calling stat() on the exit file
+// causes the filesystem to be unmounted and the adb process on the
+// device shut down.
+//
+// Note that only the minimal set of file operations needed for these
+// two files is implemented. In particular, you can't opendir() or
+// readdir() on the "/sideload" directory; ls on it won't work.
+
+#include <ctype.h>
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <linux/fuse.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/inotify.h>
+#include <sys/mount.h>
+#include <sys/param.h>
+#include <sys/resource.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
+#include <sys/time.h>
+#include <sys/uio.h>
+#include <unistd.h>
+
+#include <openssl/sha.h>
+
+#include "fuse_sideload.h"
+
+#define PACKAGE_FILE_ID (FUSE_ROOT_ID+1)
+#define EXIT_FLAG_ID (FUSE_ROOT_ID+2)
+
+#define NO_STATUS 1
+#define NO_STATUS_EXIT 2
+
+struct fuse_data {
+ int ffd; // file descriptor for the fuse socket
+
+ struct provider_vtab* vtab;
+ void* cookie;
+
+ uint64_t file_size; // bytes
+
+ uint32_t block_size; // block size that the adb host is using to send the file to us
+ uint32_t file_blocks; // file size in block_size blocks
+
+ uid_t uid;
+ gid_t gid;
+
+ uint32_t curr_block; // cache the block most recently read from the host
+ uint8_t* block_data;
+
+ uint8_t* extra_block; // another block of storage for reads that
+ // span two blocks
+
+ uint8_t* hashes; // SHA-256 hash of each block (all zeros
+ // if block hasn't been read yet)
+};
+
+static void fuse_reply(struct fuse_data* fd, __u64 unique, const void *data, size_t len)
+{
+ struct fuse_out_header hdr;
+ struct iovec vec[2];
+ int res;
+
+ hdr.len = len + sizeof(hdr);
+ hdr.error = 0;
+ hdr.unique = unique;
+
+ vec[0].iov_base = &hdr;
+ vec[0].iov_len = sizeof(hdr);
+ vec[1].iov_base = /* const_cast */(void*)(data);
+ vec[1].iov_len = len;
+
+ res = writev(fd->ffd, vec, 2);
+ if (res < 0) {
+ printf("*** REPLY FAILED *** %s\n", strerror(errno));
+ }
+}
+
+static int handle_init(void* data, struct fuse_data* fd, const struct fuse_in_header* hdr) {
+ const struct fuse_init_in* req = reinterpret_cast<const struct fuse_init_in*>(data);
+ struct fuse_init_out out;
+ size_t fuse_struct_size;
+
+
+ /* Kernel 2.6.16 is the first stable kernel with struct fuse_init_out
+ * defined (fuse version 7.6). The structure is the same from 7.6 through
+ * 7.22. Beginning with 7.23, the structure increased in size and added
+ * new parameters.
+ */
+ if (req->major != FUSE_KERNEL_VERSION || req->minor < 6) {
+ printf("Fuse kernel version mismatch: Kernel version %d.%d, Expected at least %d.6",
+ req->major, req->minor, FUSE_KERNEL_VERSION);
+ return -1;
+ }
+
+ out.minor = MIN(req->minor, FUSE_KERNEL_MINOR_VERSION);
+ fuse_struct_size = sizeof(out);
+#if defined(FUSE_COMPAT_22_INIT_OUT_SIZE)
+ /* FUSE_KERNEL_VERSION >= 23. */
+
+ /* If the kernel only works on minor revs older than or equal to 22,
+ * then use the older structure size since this code only uses the 7.22
+ * version of the structure. */
+ if (req->minor <= 22) {
+ fuse_struct_size = FUSE_COMPAT_22_INIT_OUT_SIZE;
+ }
+#endif
+
+ out.major = FUSE_KERNEL_VERSION;
+ out.max_readahead = req->max_readahead;
+ out.flags = 0;
+ out.max_background = 32;
+ out.congestion_threshold = 32;
+ out.max_write = 4096;
+ fuse_reply(fd, hdr->unique, &out, fuse_struct_size);
+
+ return NO_STATUS;
+}
+
+static void fill_attr(struct fuse_attr* attr, struct fuse_data* fd,
+ uint64_t nodeid, uint64_t size, uint32_t mode) {
+ memset(attr, 0, sizeof(*attr));
+ attr->nlink = 1;
+ attr->uid = fd->uid;
+ attr->gid = fd->gid;
+ attr->blksize = 4096;
+
+ attr->ino = nodeid;
+ attr->size = size;
+ attr->blocks = (size == 0) ? 0 : (((size-1) / attr->blksize) + 1);
+ attr->mode = mode;
+}
+
+static int handle_getattr(void* /* data */, struct fuse_data* fd, const struct fuse_in_header* hdr) {
+ struct fuse_attr_out out;
+ memset(&out, 0, sizeof(out));
+ out.attr_valid = 10;
+
+ if (hdr->nodeid == FUSE_ROOT_ID) {
+ fill_attr(&(out.attr), fd, hdr->nodeid, 4096, S_IFDIR | 0555);
+ } else if (hdr->nodeid == PACKAGE_FILE_ID) {
+ fill_attr(&(out.attr), fd, PACKAGE_FILE_ID, fd->file_size, S_IFREG | 0444);
+ } else if (hdr->nodeid == EXIT_FLAG_ID) {
+ fill_attr(&(out.attr), fd, EXIT_FLAG_ID, 0, S_IFREG | 0);
+ } else {
+ return -ENOENT;
+ }
+
+ fuse_reply(fd, hdr->unique, &out, sizeof(out));
+ return (hdr->nodeid == EXIT_FLAG_ID) ? NO_STATUS_EXIT : NO_STATUS;
+}
+
+static int handle_lookup(void* data, struct fuse_data* fd,
+ const struct fuse_in_header* hdr) {
+ struct fuse_entry_out out;
+ memset(&out, 0, sizeof(out));
+ out.entry_valid = 10;
+ out.attr_valid = 10;
+
+ if (strncmp(FUSE_SIDELOAD_HOST_FILENAME, reinterpret_cast<const char*>(data),
+ sizeof(FUSE_SIDELOAD_HOST_FILENAME)) == 0) {
+ out.nodeid = PACKAGE_FILE_ID;
+ out.generation = PACKAGE_FILE_ID;
+ fill_attr(&(out.attr), fd, PACKAGE_FILE_ID, fd->file_size, S_IFREG | 0444);
+ } else if (strncmp(FUSE_SIDELOAD_HOST_EXIT_FLAG, reinterpret_cast<const char*>(data),
+ sizeof(FUSE_SIDELOAD_HOST_EXIT_FLAG)) == 0) {
+ out.nodeid = EXIT_FLAG_ID;
+ out.generation = EXIT_FLAG_ID;
+ fill_attr(&(out.attr), fd, EXIT_FLAG_ID, 0, S_IFREG | 0);
+ } else {
+ return -ENOENT;
+ }
+
+ fuse_reply(fd, hdr->unique, &out, sizeof(out));
+ return (out.nodeid == EXIT_FLAG_ID) ? NO_STATUS_EXIT : NO_STATUS;
+}
+
+static int handle_open(void* /* data */, struct fuse_data* fd, const struct fuse_in_header* hdr) {
+ if (hdr->nodeid == EXIT_FLAG_ID) return -EPERM;
+ if (hdr->nodeid != PACKAGE_FILE_ID) return -ENOENT;
+
+ struct fuse_open_out out;
+ memset(&out, 0, sizeof(out));
+ out.fh = 10; // an arbitrary number; we always use the same handle
+ fuse_reply(fd, hdr->unique, &out, sizeof(out));
+ return NO_STATUS;
+}
+
+static int handle_flush(void* data, struct fuse_data* fd, const struct fuse_in_header* hdr) {
+ return 0;
+}
+
+static int handle_release(void* data, struct fuse_data* fd, const struct fuse_in_header* hdr) {
+ return 0;
+}
+
+// Fetch a block from the host into fd->curr_block and fd->block_data.
+// Returns 0 on successful fetch, negative otherwise.
+static int fetch_block(struct fuse_data* fd, uint32_t block) {
+ if (block == fd->curr_block) {
+ return 0;
+ }
+
+ if (block >= fd->file_blocks) {
+ memset(fd->block_data, 0, fd->block_size);
+ fd->curr_block = block;
+ return 0;
+ }
+
+ size_t fetch_size = fd->block_size;
+ if (block * fd->block_size + fetch_size > fd->file_size) {
+ // If we're reading the last (partial) block of the file,
+ // expect a shorter response from the host, and pad the rest
+ // of the block with zeroes.
+ fetch_size = fd->file_size - (block * fd->block_size);
+ memset(fd->block_data + fetch_size, 0, fd->block_size - fetch_size);
+ }
+
+ int result = fd->vtab->read_block(fd->cookie, block, fd->block_data, fetch_size);
+ if (result < 0) return result;
+
+ fd->curr_block = block;
+
+ // Verify the hash of the block we just got from the host.
+ //
+ // - If the hash of the just-received data matches the stored hash
+ // for the block, accept it.
+ // - If the stored hash is all zeroes, store the new hash and
+ // accept the block (this is the first time we've read this
+ // block).
+ // - Otherwise, return -EINVAL for the read.
+
+ uint8_t hash[SHA256_DIGEST_LENGTH];
+ SHA256(fd->block_data, fd->block_size, hash);
+ uint8_t* blockhash = fd->hashes + block * SHA256_DIGEST_LENGTH;
+ if (memcmp(hash, blockhash, SHA256_DIGEST_LENGTH) == 0) {
+ return 0;
+ }
+
+ int i;
+ for (i = 0; i < SHA256_DIGEST_LENGTH; ++i) {
+ if (blockhash[i] != 0) {
+ fd->curr_block = -1;
+ return -EIO;
+ }
+ }
+
+ memcpy(blockhash, hash, SHA256_DIGEST_LENGTH);
+ return 0;
+}
+
+static int handle_read(void* data, struct fuse_data* fd, const struct fuse_in_header* hdr) {
+ const struct fuse_read_in* req = reinterpret_cast<const struct fuse_read_in*>(data);
+ struct fuse_out_header outhdr;
+ struct iovec vec[3];
+ int vec_used;
+ int result;
+
+ if (hdr->nodeid != PACKAGE_FILE_ID) return -ENOENT;
+
+ uint64_t offset = req->offset;
+ uint32_t size = req->size;
+
+ // The docs on the fuse kernel interface are vague about what to
+ // do when a read request extends past the end of the file. We
+ // can return a short read -- the return structure does include a
+ // length field -- but in testing that caused the program using
+ // the file to segfault. (I speculate that this is due to the
+ // reading program accessing it via mmap; maybe mmap dislikes when
+ // you return something short of a whole page?) To fix this we
+ // zero-pad reads that extend past the end of the file so we're
+ // always returning exactly as many bytes as were requested.
+ // (Users of the mapped file have to know its real length anyway.)
+
+ outhdr.len = sizeof(outhdr) + size;
+ outhdr.error = 0;
+ outhdr.unique = hdr->unique;
+ vec[0].iov_base = &outhdr;
+ vec[0].iov_len = sizeof(outhdr);
+
+ uint32_t block = offset / fd->block_size;
+ result = fetch_block(fd, block);
+ if (result != 0) return result;
+
+ // Two cases:
+ //
+ // - the read request is entirely within this block. In this
+ // case we can reply immediately.
+ //
+ // - the read request goes over into the next block. Note that
+ // since we mount the filesystem with max_read=block_size, a
+ // read can never span more than two blocks. In this case we
+ // copy the block to extra_block and issue a fetch for the
+ // following block.
+
+ uint32_t block_offset = offset - (block * fd->block_size);
+
+ if (size + block_offset <= fd->block_size) {
+ // First case: the read fits entirely in the first block.
+
+ vec[1].iov_base = fd->block_data + block_offset;
+ vec[1].iov_len = size;
+ vec_used = 2;
+ } else {
+ // Second case: the read spills over into the next block.
+
+ memcpy(fd->extra_block, fd->block_data + block_offset,
+ fd->block_size - block_offset);
+ vec[1].iov_base = fd->extra_block;
+ vec[1].iov_len = fd->block_size - block_offset;
+
+ result = fetch_block(fd, block+1);
+ if (result != 0) return result;
+ vec[2].iov_base = fd->block_data;
+ vec[2].iov_len = size - vec[1].iov_len;
+ vec_used = 3;
+ }
+
+ if (writev(fd->ffd, vec, vec_used) < 0) {
+ printf("*** READ REPLY FAILED: %s ***\n", strerror(errno));
+ }
+ return NO_STATUS;
+}
+
+int run_fuse_sideload(struct provider_vtab* vtab, void* cookie,
+ uint64_t file_size, uint32_t block_size)
+{
+ int result;
+
+ // If something's already mounted on our mountpoint, try to remove
+ // it. (Mostly in case of a previous abnormal exit.)
+ umount2(FUSE_SIDELOAD_HOST_MOUNTPOINT, MNT_FORCE);
+
+ if (block_size < 1024) {
+ fprintf(stderr, "block size (%u) is too small\n", block_size);
+ return -1;
+ }
+ if (block_size > (1<<22)) { // 4 MiB
+ fprintf(stderr, "block size (%u) is too large\n", block_size);
+ return -1;
+ }
+
+ struct fuse_data fd;
+ memset(&fd, 0, sizeof(fd));
+ fd.vtab = vtab;
+ fd.cookie = cookie;
+ fd.file_size = file_size;
+ fd.block_size = block_size;
+ fd.file_blocks = (file_size == 0) ? 0 : (((file_size-1) / block_size) + 1);
+
+ if (fd.file_blocks > (1<<18)) {
+ fprintf(stderr, "file has too many blocks (%u)\n", fd.file_blocks);
+ result = -1;
+ goto done;
+ }
+
+ fd.hashes = (uint8_t*)calloc(fd.file_blocks, SHA256_DIGEST_LENGTH);
+ if (fd.hashes == NULL) {
+ fprintf(stderr, "failed to allocate %d bites for hashes\n",
+ fd.file_blocks * SHA256_DIGEST_LENGTH);
+ result = -1;
+ goto done;
+ }
+
+ fd.uid = getuid();
+ fd.gid = getgid();
+
+ fd.curr_block = -1;
+ fd.block_data = (uint8_t*)malloc(block_size);
+ if (fd.block_data == NULL) {
+ fprintf(stderr, "failed to allocate %d bites for block_data\n", block_size);
+ result = -1;
+ goto done;
+ }
+ fd.extra_block = (uint8_t*)malloc(block_size);
+ if (fd.extra_block == NULL) {
+ fprintf(stderr, "failed to allocate %d bites for extra_block\n", block_size);
+ result = -1;
+ goto done;
+ }
+
+ fd.ffd = open("/dev/fuse", O_RDWR);
+ if (fd.ffd < 0) {
+ perror("open /dev/fuse");
+ result = -1;
+ goto done;
+ }
+
+ char opts[256];
+ snprintf(opts, sizeof(opts),
+ ("fd=%d,user_id=%d,group_id=%d,max_read=%u,"
+ "allow_other,rootmode=040000"),
+ fd.ffd, fd.uid, fd.gid, block_size);
+
+ result = mount("/dev/fuse", FUSE_SIDELOAD_HOST_MOUNTPOINT,
+ "fuse", MS_NOSUID | MS_NODEV | MS_RDONLY | MS_NOEXEC, opts);
+ if (result < 0) {
+ perror("mount");
+ goto done;
+ }
+ uint8_t request_buffer[sizeof(struct fuse_in_header) + PATH_MAX*8];
+ for (;;) {
+ ssize_t len = TEMP_FAILURE_RETRY(read(fd.ffd, request_buffer, sizeof(request_buffer)));
+ if (len == -1) {
+ perror("read request");
+ if (errno == ENODEV) {
+ result = -1;
+ break;
+ }
+ continue;
+ }
+
+ if ((size_t)len < sizeof(struct fuse_in_header)) {
+ fprintf(stderr, "request too short: len=%zu\n", (size_t)len);
+ continue;
+ }
+
+ struct fuse_in_header* hdr = (struct fuse_in_header*) request_buffer;
+ void* data = request_buffer + sizeof(struct fuse_in_header);
+
+ result = -ENOSYS;
+
+ switch (hdr->opcode) {
+ case FUSE_INIT:
+ result = handle_init(data, &fd, hdr);
+ break;
+
+ case FUSE_LOOKUP:
+ result = handle_lookup(data, &fd, hdr);
+ break;
+
+ case FUSE_GETATTR:
+ result = handle_getattr(data, &fd, hdr);
+ break;
+
+ case FUSE_OPEN:
+ result = handle_open(data, &fd, hdr);
+ break;
+
+ case FUSE_READ:
+ result = handle_read(data, &fd, hdr);
+ break;
+
+ case FUSE_FLUSH:
+ result = handle_flush(data, &fd, hdr);
+ break;
+
+ case FUSE_RELEASE:
+ result = handle_release(data, &fd, hdr);
+ break;
+
+ default:
+ fprintf(stderr, "unknown fuse request opcode %d\n", hdr->opcode);
+ break;
+ }
+
+ if (result == NO_STATUS_EXIT) {
+ result = 0;
+ break;
+ }
+
+ if (result != NO_STATUS) {
+ struct fuse_out_header outhdr;
+ outhdr.len = sizeof(outhdr);
+ outhdr.error = result;
+ outhdr.unique = hdr->unique;
+ TEMP_FAILURE_RETRY(write(fd.ffd, &outhdr, sizeof(outhdr)));
+ }
+ }
+
+ done:
+ fd.vtab->close(fd.cookie);
+
+ result = umount2(FUSE_SIDELOAD_HOST_MOUNTPOINT, MNT_DETACH);
+ if (result < 0) {
+ printf("fuse_sideload umount failed: %s\n", strerror(errno));
+ }
+
+ if (fd.ffd) close(fd.ffd);
+ free(fd.hashes);
+ free(fd.block_data);
+ free(fd.extra_block);
+
+ return result;
+}
diff --git a/fuse_sideload.h b/fuse_sideload.h
index f9e3bf0..c0b16ef 100644
--- a/fuse_sideload.h
+++ b/fuse_sideload.h
@@ -17,10 +17,6 @@
#ifndef __FUSE_SIDELOAD_H
#define __FUSE_SIDELOAD_H
-#include <sys/cdefs.h>
-
-__BEGIN_DECLS
-
// define the filenames created by the sideload FUSE filesystem
#define FUSE_SIDELOAD_HOST_MOUNTPOINT "/sideload"
#define FUSE_SIDELOAD_HOST_FILENAME "package.zip"
@@ -39,6 +35,4 @@
int run_fuse_sideload(struct provider_vtab* vtab, void* cookie,
uint64_t file_size, uint32_t block_size);
-__END_DECLS
-
#endif
diff --git a/install.cpp b/install.cpp
index c7d382f..d5c5583 100644
--- a/install.cpp
+++ b/install.cpp
@@ -23,17 +23,24 @@
#include <sys/wait.h>
#include <unistd.h>
+#include <chrono>
+#include <string>
+#include <vector>
+
+#include <android-base/stringprintf.h>
+#include <android-base/strings.h>
+
#include "common.h"
+#include "error_code.h"
#include "install.h"
-#include "mincrypt/rsa.h"
#include "minui/minui.h"
#include "minzip/SysUtil.h"
#include "minzip/Zip.h"
#include "mtdutils/mounts.h"
#include "mtdutils/mtdutils.h"
#include "roots.h"
-#include "verifier.h"
#include "ui.h"
+#include "verifier.h"
extern RecoveryUI* ui;
@@ -48,7 +55,9 @@
// If the package contains an update binary, extract it and run it.
static int
-try_update_binary(const char* path, ZipArchive* zip, bool* wipe_cache) {
+try_update_binary(const char* path, ZipArchive* zip, bool* wipe_cache,
+ std::vector<std::string>& log_buffer, int retry_count)
+{
const ZipEntry* binary_entry =
mzFindZipEntry(zip, ASSUMED_UPDATE_BINARY_NAME);
if (binary_entry == NULL) {
@@ -121,15 +130,19 @@
//
// - the name of the package zip file.
//
+ // - an optional argument "retry" if this update is a retry of a failed
+ // update attempt.
+ //
- const char** args = (const char**)malloc(sizeof(char*) * 5);
+ const char** args = (const char**)malloc(sizeof(char*) * 6);
args[0] = binary;
args[1] = EXPAND(RECOVERY_API_VERSION); // defined in Android.mk
char* temp = (char*)malloc(10);
sprintf(temp, "%d", pipefd[1]);
args[2] = temp;
args[3] = (char*)path;
- args[4] = NULL;
+ args[4] = retry_count > 0 ? "retry" : NULL;
+ args[5] = NULL;
pid_t pid = fork();
if (pid == 0) {
@@ -142,6 +155,7 @@
close(pipefd[1]);
*wipe_cache = false;
+ bool retry_update = false;
char buffer[1024];
FILE* from_child = fdopen(pipefd[0], "r");
@@ -164,9 +178,9 @@
} else if (strcmp(command, "ui_print") == 0) {
char* str = strtok(NULL, "\n");
if (str) {
- ui->Print("%s", str);
+ ui->PrintOnScreenOnly("%s", str);
} else {
- ui->Print("\n");
+ ui->PrintOnScreenOnly("\n");
}
fflush(stdout);
} else if (strcmp(command, "wipe_cache") == 0) {
@@ -178,6 +192,12 @@
// to be able to reboot during installation (useful for
// debugging packages that don't exit).
ui->SetEnableReboot(true);
+ } else if (strcmp(command, "retry_update") == 0) {
+ retry_update = true;
+ } else if (strcmp(command, "log") == 0) {
+ // Save the logging request from updater and write to
+ // last_install later.
+ log_buffer.push_back(std::string(strtok(NULL, "\n")));
} else {
LOGE("unknown command [%s]\n", command);
}
@@ -186,6 +206,9 @@
int status;
waitpid(pid, &status, 0);
+ if (retry_update) {
+ return INSTALL_RETRY;
+ }
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
LOGE("Error in %s\n(Status %d)\n", path, WEXITSTATUS(status));
return INSTALL_ERROR;
@@ -195,7 +218,8 @@
}
static int
-really_install_package(const char *path, bool* wipe_cache, bool needs_mount)
+really_install_package(const char *path, bool* wipe_cache, bool needs_mount,
+ std::vector<std::string>& log_buffer, int retry_count)
{
ui->SetBackground(RecoveryUI::INSTALLING_UPDATE);
ui->Print("Finding update package...\n");
@@ -221,41 +245,46 @@
return INSTALL_CORRUPT;
}
- int numKeys;
- Certificate* loadedKeys = load_keys(PUBLIC_KEYS_FILE, &numKeys);
- if (loadedKeys == NULL) {
+ // Load keys.
+ std::vector<Certificate> loadedKeys;
+ if (!load_keys(PUBLIC_KEYS_FILE, loadedKeys)) {
LOGE("Failed to load keys\n");
return INSTALL_CORRUPT;
}
- LOGI("%d key(s) loaded from %s\n", numKeys, PUBLIC_KEYS_FILE);
+ LOGI("%zu key(s) loaded from %s\n", loadedKeys.size(), PUBLIC_KEYS_FILE);
+ // Verify package.
ui->Print("Verifying update package...\n");
-
- int err;
- err = verify_file(map.addr, map.length, loadedKeys, numKeys);
- free(loadedKeys);
- LOGI("verify_file returned %d\n", err);
+ auto t0 = std::chrono::system_clock::now();
+ int err = verify_file(map.addr, map.length, loadedKeys);
+ std::chrono::duration<double> duration = std::chrono::system_clock::now() - t0;
+ ui->Print("Update package verification took %.1f s (result %d).\n", duration.count(), err);
if (err != VERIFY_SUCCESS) {
LOGE("signature verification failed\n");
+ log_buffer.push_back(android::base::StringPrintf("error: %d", kZipVerificationFailure));
+
sysReleaseMap(&map);
return INSTALL_CORRUPT;
}
- /* Try to open the package.
- */
+ // Try to open the package.
ZipArchive zip;
err = mzOpenZipArchive(map.addr, map.length, &zip);
if (err != 0) {
LOGE("Can't open %s\n(%s)\n", path, err != -1 ? strerror(err) : "bad");
+ log_buffer.push_back(android::base::StringPrintf("error: %d", kZipOpenFailure));
+
sysReleaseMap(&map);
return INSTALL_CORRUPT;
}
- /* Verify and install the contents of the package.
- */
+ // Verify and install the contents of the package.
ui->Print("Installing update...\n");
+ if (retry_count > 0) {
+ ui->Print("Retry attempt: %d\n", retry_count);
+ }
ui->SetEnableReboot(false);
- int result = try_update_binary(path, &zip, wipe_cache);
+ int result = try_update_binary(path, &zip, wipe_cache, log_buffer, retry_count);
ui->SetEnableReboot(true);
ui->Print("\n");
@@ -266,9 +295,10 @@
int
install_package(const char* path, bool* wipe_cache, const char* install_file,
- bool needs_mount)
+ bool needs_mount, int retry_count)
{
modified_flash = true;
+ auto start = std::chrono::system_clock::now();
FILE* install_log = fopen_path(install_file, "w");
if (install_log) {
@@ -278,15 +308,26 @@
LOGE("failed to open last_install: %s\n", strerror(errno));
}
int result;
+ std::vector<std::string> log_buffer;
if (setup_install_mounts() != 0) {
LOGE("failed to set up expected mounts for install; aborting\n");
result = INSTALL_ERROR;
} else {
- result = really_install_package(path, wipe_cache, needs_mount);
+ result = really_install_package(path, wipe_cache, needs_mount, log_buffer, retry_count);
}
- if (install_log) {
+ if (install_log != nullptr) {
fputc(result == INSTALL_SUCCESS ? '1' : '0', install_log);
fputc('\n', install_log);
+ std::chrono::duration<double> duration = std::chrono::system_clock::now() - start;
+ int count = static_cast<int>(duration.count());
+ // Report the time spent to apply OTA update in seconds.
+ fprintf(install_log, "time_total: %d\n", count);
+ fprintf(install_log, "retry: %d\n", retry_count);
+
+ for (const auto& s : log_buffer) {
+ fprintf(install_log, "%s\n", s.c_str());
+ }
+
fclose(install_log);
}
return result;
diff --git a/install.h b/install.h
index 680499d..66764f5 100644
--- a/install.h
+++ b/install.h
@@ -23,12 +23,13 @@
extern "C" {
#endif
-enum { INSTALL_SUCCESS, INSTALL_ERROR, INSTALL_CORRUPT, INSTALL_NONE };
+enum { INSTALL_SUCCESS, INSTALL_ERROR, INSTALL_CORRUPT, INSTALL_NONE, INSTALL_SKIPPED,
+ INSTALL_RETRY };
// Install the package specified by root_path. If INSTALL_SUCCESS is
// returned and *wipe_cache is true on exit, caller should wipe the
// cache partition.
-int install_package(const char* root_path, bool* wipe_cache,
- const char* install_file, bool needs_mount);
+int install_package(const char* root_path, bool* wipe_cache, const char* install_file,
+ bool needs_mount, int retry_count);
#ifdef __cplusplus
}
diff --git a/interlace-frames.py b/interlace-frames.py
old mode 100644
new mode 100755
index 243e565..6b435aa
--- a/interlace-frames.py
+++ b/interlace-frames.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
# Copyright (C) 2014 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
@@ -12,42 +13,102 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-"""Script to take a set of frames (PNG files) for a recovery animation
+"""
+Script to take a set of frames (PNG files) for a recovery animation
and turn it into a single output image which contains the input frames
interlaced by row. Run with the names of all the input frames on the
-command line, in order, followed by the name of the output file."""
+command line, in order, followed by the name of the output file.
+"""
+from __future__ import print_function
+
+import argparse
+import os.path
import sys
try:
import Image
import PngImagePlugin
except ImportError:
- print "This script requires the Python Imaging Library to be installed."
+ print("This script requires the Python Imaging Library to be installed.")
sys.exit(1)
-frames = [Image.open(fn).convert("RGB") for fn in sys.argv[1:-1]]
-assert len(frames) > 0, "Must have at least one input frame."
-sizes = set()
-for fr in frames:
- sizes.add(fr.size)
-assert len(sizes) == 1, "All input images must have the same size."
-w, h = sizes.pop()
-N = len(frames)
+def interlace(output, inputs):
+ frames = [Image.open(fn).convert("RGB") for fn in inputs]
+ assert len(frames) > 0, "Must have at least one input frame."
+ sizes = set()
+ for fr in frames:
+ sizes.add(fr.size)
-out = Image.new("RGB", (w, h*N))
-for j in range(h):
- for i in range(w):
- for fn, f in enumerate(frames):
- out.putpixel((i, j*N+fn), f.getpixel((i, j)))
+ assert len(sizes) == 1, "All input images must have the same size."
+ w, h = sizes.pop()
+ N = len(frames)
-# When loading this image, the graphics library expects to find a text
-# chunk that specifies how many frames this animation represents. If
-# you post-process the output of this script with some kind of
-# optimizer tool (eg pngcrush or zopflipng) make sure that your
-# optimizer preserves this text chunk.
+ out = Image.new("RGB", (w, h*N))
+ for j in range(h):
+ for i in range(w):
+ for fn, f in enumerate(frames):
+ out.putpixel((i, j*N+fn), f.getpixel((i, j)))
-meta = PngImagePlugin.PngInfo()
-meta.add_text("Frames", str(N))
+ # When loading this image, the graphics library expects to find a text
+ # chunk that specifies how many frames this animation represents. If
+ # you post-process the output of this script with some kind of
+ # optimizer tool (eg pngcrush or zopflipng) make sure that your
+ # optimizer preserves this text chunk.
-out.save(sys.argv[-1], pnginfo=meta)
+ meta = PngImagePlugin.PngInfo()
+ meta.add_text("Frames", str(N))
+
+ out.save(output, pnginfo=meta)
+
+
+def deinterlace(output, input):
+ # Truncate the output filename extension if it's '.png'.
+ if os.path.splitext(output)[1].lower() == '.png':
+ output = output[:-4]
+
+ img2 = Image.open(input)
+ print(img2.mode)
+ palette = img2.getpalette()
+ img = img2.convert("RGB")
+ num_frames = int(img.info.get('Frames', 1))
+ print('Found %d frames in %s.' % (num_frames, input))
+ assert num_frames > 0, 'Invalid Frames meta.'
+
+ # palette = img.getpalette()
+ print(palette)
+
+ width, height = img.size
+ height /= num_frames
+ for k in range(num_frames):
+ out = Image.new('RGB', (width, height))
+ out.info = img.info
+ for i in range(width):
+ for j in range(height):
+ out.putpixel((i, j), img.getpixel((i, j * num_frames + k)))
+ # out.putpalette(img.getpalette(), rawmode='RGB')
+ out2 = out.convert(mode='P', palette=palette)
+ #out2 = out
+ print(out2.mode)
+ # out2.putpalette(palette)
+ filename = '%s%02d.png' % (output, k)
+ out2.save(filename)
+ print('Frame %d written to %s.' % (k, filename))
+
+
+def main(argv):
+ parser = argparse.ArgumentParser(description='Parse')
+ parser.add_argument('--deinterlace', '-d', action='store_true')
+ parser.add_argument('--output', '-o', required=True)
+ parser.add_argument('input', nargs='+')
+ args = parser.parse_args(argv)
+
+ if args.deinterlace:
+ # args.input is a list, and we only process the first when deinterlacing.
+ deinterlace(args.output, args.input[0])
+ else:
+ interlace(args.output, args.input)
+
+
+if __name__ == '__main__':
+ main(sys.argv[1:])
diff --git a/minadbd/Android.mk b/minadbd/Android.mk
index a7a3e08..3db3b41 100644
--- a/minadbd/Android.mk
+++ b/minadbd/Android.mk
@@ -15,6 +15,7 @@
fuse_adb_provider.cpp \
services.cpp \
+LOCAL_CLANG := true
LOCAL_MODULE := libminadbd
LOCAL_CFLAGS := $(minadbd_cflags)
LOCAL_CONLY_FLAGS := -Wimplicit-function-declaration
diff --git a/minadbd/adb_main.cpp b/minadbd/adb_main.cpp
index 7fae99a..0694280 100644
--- a/minadbd/adb_main.cpp
+++ b/minadbd/adb_main.cpp
@@ -19,21 +19,15 @@
#include <stdio.h>
#include <stdlib.h>
-#define TRACE_TAG TRACE_ADB
-
#include "sysdeps.h"
#include "adb.h"
#include "adb_auth.h"
#include "transport.h"
-int adb_main(int is_daemon, int server_port)
-{
- atexit(usb_cleanup);
-
+int adb_server_main(int is_daemon, int server_port, int /* reply_fd */) {
adb_device_banner = "sideload";
- // No SIGCHLD. Let the service subproc handle its children.
signal(SIGPIPE, SIG_IGN);
// We can't require authentication for sideloading. http://b/22025550.
@@ -42,7 +36,7 @@
init_transport_registration();
usb_init();
- D("Event loop starting\n");
+ VLOG(ADB) << "Event loop starting";
fdevent_loop();
return 0;
diff --git a/minadbd/services.cpp b/minadbd/services.cpp
index dd1fd7c..658a43f 100644
--- a/minadbd/services.cpp
+++ b/minadbd/services.cpp
@@ -23,7 +23,6 @@
#include "sysdeps.h"
-#define TRACE_TAG TRACE_SERVICES
#include "adb.h"
#include "fdevent.h"
#include "fuse_adb_provider.h"
@@ -36,21 +35,21 @@
void *cookie;
};
-void* service_bootstrap_func(void* x) {
+void service_bootstrap_func(void* x) {
stinfo* sti = reinterpret_cast<stinfo*>(x);
sti->func(sti->fd, sti->cookie);
free(sti);
- return 0;
}
static void sideload_host_service(int sfd, void* data) {
- const char* args = reinterpret_cast<const char*>(data);
+ char* args = reinterpret_cast<char*>(data);
int file_size;
int block_size;
if (sscanf(args, "%d:%d", &file_size, &block_size) != 2) {
printf("bad sideload-host arguments: %s\n", args);
exit(1);
}
+ free(args);
printf("sideload-host file size %d block size %d\n", file_size, block_size);
@@ -61,8 +60,7 @@
exit(result == 0 ? 0 : 1);
}
-static int create_service_thread(void (*func)(int, void *), void *cookie)
-{
+static int create_service_thread(void (*func)(int, void *), void *cookie) {
int s[2];
if(adb_socketpair(s)) {
printf("cannot create service socket pair\n");
@@ -75,8 +73,7 @@
sti->cookie = cookie;
sti->fd = s[1];
- adb_thread_t t;
- if (adb_thread_create( &t, service_bootstrap_func, sti)){
+ if (!adb_thread_create(service_bootstrap_func, sti)) {
free(sti);
adb_close(s[0]);
adb_close(s[1]);
@@ -84,11 +81,11 @@
return -1;
}
- D("service thread started, %d:%d\n",s[0], s[1]);
+ VLOG(SERVICES) << "service thread started, " << s[0] << ":" << s[1];
return s[0];
}
-int service_to_fd(const char* name) {
+int service_to_fd(const char* name, const atransport* transport) {
int ret = -1;
if (!strncmp(name, "sideload:", 9)) {
@@ -97,7 +94,8 @@
// sideload-host).
exit(3);
} else if (!strncmp(name, "sideload-host:", 14)) {
- ret = create_service_thread(sideload_host_service, (void*)(name + 14));
+ char* arg = strdup(name + 14);
+ ret = create_service_thread(sideload_host_service, arg);
}
if (ret >= 0) {
close_on_exec(ret);
diff --git a/minui/Android.mk b/minui/Android.mk
index 97724fb..3057f45 100644
--- a/minui/Android.mk
+++ b/minui/Android.mk
@@ -41,6 +41,7 @@
# Used by OEMs for factory test images.
include $(CLEAR_VARS)
+LOCAL_CLANG := true
LOCAL_MODULE := libminui
LOCAL_WHOLE_STATIC_LIBRARIES += libminui
LOCAL_SHARED_LIBRARIES := libpng
diff --git a/minui/minui.h b/minui/minui.h
index bdde083..fb0bbe1 100644
--- a/minui/minui.h
+++ b/minui/minui.h
@@ -84,6 +84,8 @@
// Resources
//
+bool matches_locale(const char* prefix, const char* locale);
+
// res_create_*_surface() functions return 0 if no error, else
// negative.
//
@@ -101,8 +103,8 @@
// should have a 'Frames' text chunk whose value is the number of
// frames this image represents. The pixel data itself is interlaced
// by row.
-int res_create_multi_display_surface(const char* name,
- int* frames, GRSurface*** pSurface);
+int res_create_multi_display_surface(const char* name, int* frames,
+ int* fps, GRSurface*** pSurface);
// Load a single alpha surface from a grayscale PNG image.
int res_create_alpha_surface(const char* name, GRSurface** pSurface);
diff --git a/minui/resources.cpp b/minui/resources.cpp
index 5e47892..40d3c2c 100644
--- a/minui/resources.cpp
+++ b/minui/resources.cpp
@@ -32,8 +32,6 @@
#include "minui.h"
-extern char* locale;
-
#define SURFACE_DATA_ALIGNMENT 8
static GRSurface* malloc_surface(size_t data_size) {
@@ -237,14 +235,14 @@
return result;
}
-int res_create_multi_display_surface(const char* name, int* frames, GRSurface*** pSurface) {
+int res_create_multi_display_surface(const char* name, int* frames, int* fps,
+ GRSurface*** pSurface) {
GRSurface** surface = NULL;
int result = 0;
png_structp png_ptr = NULL;
png_infop info_ptr = NULL;
png_uint_32 width, height;
png_byte channels;
- int i;
png_textp text;
int num_text;
unsigned char* p_row;
@@ -257,14 +255,23 @@
if (result < 0) return result;
*frames = 1;
+ *fps = 20;
if (png_get_text(png_ptr, info_ptr, &text, &num_text)) {
- for (i = 0; i < num_text; ++i) {
+ for (int i = 0; i < num_text; ++i) {
if (text[i].key && strcmp(text[i].key, "Frames") == 0 && text[i].text) {
*frames = atoi(text[i].text);
- break;
+ } else if (text[i].key && strcmp(text[i].key, "FPS") == 0 && text[i].text) {
+ *fps = atoi(text[i].text);
}
}
printf(" found frames = %d\n", *frames);
+ printf(" found fps = %d\n", *fps);
+ }
+
+ if (frames <= 0 || fps <= 0) {
+ printf("bad number of frames (%d) and/or FPS (%d)\n", *frames, *fps);
+ result = -10;
+ goto exit;
}
if (height % *frames != 0) {
@@ -278,7 +285,7 @@
result = -8;
goto exit;
}
- for (i = 0; i < *frames; ++i) {
+ for (int i = 0; i < *frames; ++i) {
surface[i] = init_display_surface(width, height / *frames);
if (surface[i] == NULL) {
result = -8;
@@ -307,7 +314,7 @@
if (result < 0) {
if (surface) {
- for (i = 0; i < *frames; ++i) {
+ for (int i = 0; i < *frames; ++i) {
if (surface[i]) free(surface[i]);
}
free(surface);
@@ -363,21 +370,16 @@
return result;
}
-static int matches_locale(const char* loc, const char* locale) {
- if (locale == NULL) return 0;
+// This function tests if a locale string stored in PNG (prefix) matches
+// the locale string provided by the system (locale).
+bool matches_locale(const char* prefix, const char* locale) {
+ if (locale == NULL) return false;
- if (strcmp(loc, locale) == 0) return 1;
+ // Return true if the whole string of prefix matches the top part of
+ // locale. For instance, prefix == "en" matches locale == "en_US";
+ // and prefix == "zh_CN" matches locale == "zh_CN_#Hans".
- // if loc does *not* have an underscore, and it matches the start
- // of locale, and the next character in locale *is* an underscore,
- // that's a match. For instance, loc == "en" matches locale ==
- // "en_US".
-
- int i;
- for (i = 0; loc[i] != 0 && loc[i] != '_'; ++i);
- if (loc[i] == '_') return 0;
-
- return (strncmp(locale, loc, i) == 0 && locale[i] == '_');
+ return (strncmp(prefix, locale, strlen(prefix)) == 0);
}
int res_create_localized_alpha_surface(const char* name,
diff --git a/minzip/Android.mk b/minzip/Android.mk
index 045f355..22eabfb 100644
--- a/minzip/Android.mk
+++ b/minzip/Android.mk
@@ -16,6 +16,8 @@
LOCAL_MODULE := libminzip
-LOCAL_CFLAGS += -Wall
+LOCAL_CLANG := true
+
+LOCAL_CFLAGS += -Werror -Wall
include $(BUILD_STATIC_LIBRARY)
diff --git a/minzip/Hash.c b/minzip/Hash.c
index 8f8ed68..49bcb31 100644
--- a/minzip/Hash.c
+++ b/minzip/Hash.c
@@ -361,7 +361,7 @@
{
const void* data = (const void*)mzHashIterData(&iter);
int count;
-
+
count = countProbes(pHashTable, (*calcFunc)(data), data, cmpFunc);
numEntries++;
@@ -373,7 +373,7 @@
totalProbe += count;
}
- LOGI("Probe: min=%d max=%d, total=%d in %d (%d), avg=%.3f\n",
+ LOGV("Probe: min=%d max=%d, total=%d in %d (%d), avg=%.3f\n",
minProbe, maxProbe, totalProbe, numEntries, pHashTable->tableSize,
(float) totalProbe / (float) numEntries);
}
diff --git a/minzip/Hash.h b/minzip/Hash.h
index 8194537..e83eac4 100644
--- a/minzip/Hash.h
+++ b/minzip/Hash.h
@@ -15,6 +15,10 @@
#include <stdbool.h>
#include <assert.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/* compute the hash of an item with a specific type */
typedef unsigned int (*HashCompute)(const void* item);
@@ -183,4 +187,8 @@
void mzHashTableProbeCount(HashTable* pHashTable, HashCalcFunc calcFunc,
HashCompareFunc cmpFunc);
+#ifdef __cplusplus
+}
+#endif
+
#endif /*_MINZIP_HASH*/
diff --git a/minzip/SysUtil.c b/minzip/SysUtil.c
index b1fb455..e7dd17b 100644
--- a/minzip/SysUtil.c
+++ b/minzip/SysUtil.c
@@ -3,93 +3,51 @@
*
* System utilities.
*/
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/stat.h>
+#include <assert.h>
+#include <errno.h>
#include <fcntl.h>
#include <limits.h>
-#include <errno.h>
-#include <assert.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
#define LOG_TAG "sysutil"
#include "Log.h"
#include "SysUtil.h"
-static int getFileStartAndLength(int fd, off_t *start_, size_t *length_)
-{
- off_t start, end;
- size_t length;
-
- assert(start_ != NULL);
- assert(length_ != NULL);
-
- // TODO: isn't start always 0 for the single call site? just use fstat instead?
-
- start = TEMP_FAILURE_RETRY(lseek(fd, 0L, SEEK_CUR));
- end = TEMP_FAILURE_RETRY(lseek(fd, 0L, SEEK_END));
-
- if (TEMP_FAILURE_RETRY(lseek(fd, start, SEEK_SET)) == -1 ||
- start == (off_t) -1 || end == (off_t) -1) {
- LOGE("could not determine length of file\n");
- return -1;
- }
-
- length = end - start;
- if (length == 0) {
- LOGE("file is empty\n");
- return -1;
- }
-
- *start_ = start;
- *length_ = length;
-
- return 0;
-}
-
-/*
- * Map a file (from fd's current offset) into a private, read-only memory
- * segment. The file offset must be a multiple of the page size.
- *
- * On success, returns 0 and fills out "pMap". On failure, returns a nonzero
- * value and does not disturb "pMap".
- */
-static int sysMapFD(int fd, MemMapping* pMap)
-{
- off_t start;
- size_t length;
- void* memPtr;
-
+static bool sysMapFD(int fd, MemMapping* pMap) {
assert(pMap != NULL);
- if (getFileStartAndLength(fd, &start, &length) < 0)
- return -1;
+ struct stat sb;
+ if (fstat(fd, &sb) == -1) {
+ LOGE("fstat(%d) failed: %s\n", fd, strerror(errno));
+ return false;
+ }
- memPtr = mmap(NULL, length, PROT_READ, MAP_PRIVATE, fd, start);
+ void* memPtr = mmap(NULL, sb.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
if (memPtr == MAP_FAILED) {
- LOGW("mmap(%d, R, PRIVATE, %d, %d) failed: %s\n", (int) length,
- fd, (int) start, strerror(errno));
- return -1;
+ LOGE("mmap(%d, R, PRIVATE, %d, 0) failed: %s\n", (int) sb.st_size, fd, strerror(errno));
+ return false;
}
pMap->addr = memPtr;
- pMap->length = length;
+ pMap->length = sb.st_size;
pMap->range_count = 1;
pMap->ranges = malloc(sizeof(MappedRange));
if (pMap->ranges == NULL) {
LOGE("malloc failed: %s\n", strerror(errno));
- munmap(memPtr, length);
- return -1;
+ munmap(memPtr, sb.st_size);
+ return false;
}
pMap->ranges[0].addr = memPtr;
- pMap->ranges[0].length = length;
+ pMap->ranges[0].length = sb.st_size;
- return 0;
+ return true;
}
static int sysMapBlockFile(FILE* mapf, MemMapping* pMap)
@@ -102,7 +60,7 @@
unsigned int i;
if (fgets(block_dev, sizeof(block_dev), mapf) == NULL) {
- LOGW("failed to read block device from header\n");
+ LOGE("failed to read block device from header\n");
return -1;
}
for (i = 0; i < sizeof(block_dev); ++i) {
@@ -113,7 +71,7 @@
}
if (fscanf(mapf, "%zu %u\n%u\n", &size, &blksize, &range_count) != 3) {
- LOGW("failed to parse block map header\n");
+ LOGE("failed to parse block map header\n");
return -1;
}
if (blksize != 0) {
@@ -136,14 +94,14 @@
unsigned char* reserve;
reserve = mmap64(NULL, blocks * blksize, PROT_NONE, MAP_PRIVATE | MAP_ANON, -1, 0);
if (reserve == MAP_FAILED) {
- LOGW("failed to reserve address space: %s\n", strerror(errno));
+ LOGE("failed to reserve address space: %s\n", strerror(errno));
free(pMap->ranges);
return -1;
}
int fd = open(block_dev, O_RDONLY);
if (fd < 0) {
- LOGW("failed to open block device %s: %s\n", block_dev, strerror(errno));
+ LOGE("failed to open block device %s: %s\n", block_dev, strerror(errno));
munmap(reserve, blocks * blksize);
free(pMap->ranges);
return -1;
@@ -155,7 +113,7 @@
for (i = 0; i < range_count; ++i) {
size_t start, end;
if (fscanf(mapf, "%zu %zu\n", &start, &end) != 2) {
- LOGW("failed to parse range %d in block map\n", i);
+ LOGE("failed to parse range %d in block map\n", i);
success = false;
break;
}
@@ -168,7 +126,7 @@
void* addr = mmap64(next, length, PROT_READ, MAP_PRIVATE | MAP_FIXED, fd, ((off64_t)start)*blksize);
if (addr == MAP_FAILED) {
- LOGW("failed to map block %d: %s\n", i, strerror(errno));
+ LOGE("failed to map block %d: %s\n", i, strerror(errno));
success = false;
break;
}
@@ -206,12 +164,12 @@
// A map of blocks
FILE* mapf = fopen(fn+1, "r");
if (mapf == NULL) {
- LOGV("Unable to open '%s': %s\n", fn+1, strerror(errno));
+ LOGE("Unable to open '%s': %s\n", fn+1, strerror(errno));
return -1;
}
if (sysMapBlockFile(mapf, pMap) != 0) {
- LOGW("Map of '%s' failed\n", fn);
+ LOGE("Map of '%s' failed\n", fn);
fclose(mapf);
return -1;
}
@@ -219,13 +177,13 @@
fclose(mapf);
} else {
// This is a regular file.
- int fd = open(fn, O_RDONLY, 0);
- if (fd < 0) {
+ int fd = open(fn, O_RDONLY);
+ if (fd == -1) {
LOGE("Unable to open '%s': %s\n", fn, strerror(errno));
return -1;
}
- if (sysMapFD(fd, pMap) != 0) {
+ if (!sysMapFD(fd, pMap)) {
LOGE("Map of '%s' failed\n", fn);
close(fd);
return -1;
@@ -244,7 +202,7 @@
int i;
for (i = 0; i < pMap->range_count; ++i) {
if (munmap(pMap->ranges[i].addr, pMap->ranges[i].length) < 0) {
- LOGW("munmap(%p, %d) failed: %s\n",
+ LOGE("munmap(%p, %d) failed: %s\n",
pMap->ranges[i].addr, (int)pMap->ranges[i].length, strerror(errno));
}
}
diff --git a/minzip/Zip.c b/minzip/Zip.c
index 40712e0..bdb565c 100644
--- a/minzip/Zip.c
+++ b/minzip/Zip.c
@@ -198,10 +198,10 @@
*/
val = get4LE(pArchive->addr);
if (val == ENDSIG) {
- LOGI("Found Zip archive, but it looks empty\n");
+ LOGW("Found Zip archive, but it looks empty\n");
goto bail;
} else if (val != LOCSIG) {
- LOGV("Not a Zip archive (found 0x%08x)\n", val);
+ LOGW("Not a Zip archive (found 0x%08x)\n", val);
goto bail;
}
@@ -217,7 +217,7 @@
ptr--;
}
if (ptr < (const unsigned char*) pArchive->addr) {
- LOGI("Could not find end-of-central-directory in Zip\n");
+ LOGW("Could not find end-of-central-directory in Zip\n");
goto bail;
}
@@ -429,7 +429,7 @@
if (length < ENDHDR) {
err = -1;
- LOGV("File '%s' too small to be zip (%zd)\n", fileName, map.length);
+ LOGW("Archive %p is too small to be zip (%zd)\n", pArchive, length);
goto bail;
}
@@ -438,7 +438,7 @@
if (!parseZipArchive(pArchive)) {
err = -1;
- LOGV("Parsing '%s' failed\n", fileName);
+ LOGW("Parsing archive %p failed\n", pArchive);
goto bail;
}
@@ -506,7 +506,6 @@
void *cookie)
{
long result = -1;
- unsigned char readBuf[32 * 1024];
unsigned char procBuf[32 * 1024];
z_stream zstream;
int zerr;
@@ -549,7 +548,7 @@
/* uncompress the data */
zerr = inflate(&zstream, Z_NO_FLUSH);
if (zerr != Z_OK && zerr != Z_STREAM_END) {
- LOGD("zlib inflate call failed (zerr=%d)\n", zerr);
+ LOGW("zlib inflate call failed (zerr=%d)\n", zerr);
goto z_bail;
}
@@ -603,7 +602,6 @@
void *cookie)
{
bool ret = false;
- off_t oldOff;
switch (pEntry->compression) {
case STORED:
@@ -621,13 +619,6 @@
return ret;
}
-static bool crcProcessFunction(const unsigned char *data, int dataLen,
- void *crc)
-{
- *(unsigned long *)crc = crc32(*(unsigned long *)crc, data, dataLen);
- return true;
-}
-
typedef struct {
char *buf;
int bufLen;
@@ -1016,7 +1007,7 @@
if (callback != NULL) callback(targetFile, cookie);
}
- LOGD("Extracted %d file(s)\n", extractCount);
+ LOGV("Extracted %d file(s)\n", extractCount);
free(helper.buf);
free(zpath);
diff --git a/mtdutils/Android.mk b/mtdutils/Android.mk
index f04355b..b7d35c2 100644
--- a/mtdutils/Android.mk
+++ b/mtdutils/Android.mk
@@ -6,10 +6,12 @@
mounts.c
LOCAL_MODULE := libmtdutils
+LOCAL_CLANG := true
include $(BUILD_STATIC_LIBRARY)
include $(CLEAR_VARS)
+LOCAL_CLANG := true
LOCAL_SRC_FILES := flash_image.c
LOCAL_MODULE := flash_image
LOCAL_MODULE_TAGS := eng
diff --git a/mtdutils/mtdutils.c b/mtdutils/mtdutils.c
index cc30334..cd4f52c 100644
--- a/mtdutils/mtdutils.c
+++ b/mtdutils/mtdutils.c
@@ -300,20 +300,20 @@
if (TEMP_FAILURE_RETRY(lseek64(fd, pos, SEEK_SET)) != pos ||
TEMP_FAILURE_RETRY(read(fd, data, size)) != size) {
printf("mtd: read error at 0x%08llx (%s)\n",
- pos, strerror(errno));
+ (long long)pos, strerror(errno));
} else if (ioctl(fd, ECCGETSTATS, &after)) {
printf("mtd: ECCGETSTATS error (%s)\n", strerror(errno));
return -1;
} else if (after.failed != before.failed) {
printf("mtd: ECC errors (%d soft, %d hard) at 0x%08llx\n",
- after.corrected - before.corrected,
- after.failed - before.failed, pos);
+ after.corrected - before.corrected,
+ after.failed - before.failed, (long long)pos);
// copy the comparison baseline for the next read.
memcpy(&before, &after, sizeof(struct mtd_ecc_stats));
} else if ((mgbb = ioctl(fd, MEMGETBADBLOCK, &pos))) {
fprintf(stderr,
"mtd: MEMGETBADBLOCK returned %d at 0x%08llx: %s\n",
- mgbb, pos, strerror(errno));
+ mgbb, (long long)pos, strerror(errno));
} else {
return 0; // Success!
}
diff --git a/otafault/Android.mk b/otafault/Android.mk
new file mode 100644
index 0000000..ba7add8
--- /dev/null
+++ b/otafault/Android.mk
@@ -0,0 +1,44 @@
+# Copyright 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific languae governing permissions and
+# limitations under the License.
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+otafault_static_libs := \
+ libbase \
+ libminzip \
+ libz \
+ libselinux
+
+LOCAL_SRC_FILES := config.cpp ota_io.cpp
+LOCAL_MODULE_TAGS := eng
+LOCAL_MODULE := libotafault
+LOCAL_CLANG := true
+LOCAL_C_INCLUDES := bootable/recovery
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
+LOCAL_WHOLE_STATIC_LIBRARIES := $(otafault_static_libs)
+
+include $(BUILD_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := config.cpp ota_io.cpp test.cpp
+LOCAL_MODULE_TAGS := tests
+LOCAL_MODULE := otafault_test
+LOCAL_STATIC_LIBRARIES := $(otafault_static_libs)
+LOCAL_C_INCLUDES := bootable/recovery
+LOCAL_FORCE_STATIC_EXECUTABLE := true
+
+include $(BUILD_EXECUTABLE)
diff --git a/otafault/config.cpp b/otafault/config.cpp
new file mode 100644
index 0000000..b456739
--- /dev/null
+++ b/otafault/config.cpp
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <map>
+#include <string>
+
+#include <stdio.h>
+#include <unistd.h>
+
+#include <android-base/stringprintf.h>
+
+#include "minzip/Zip.h"
+#include "config.h"
+#include "ota_io.h"
+
+#define OTAIO_MAX_FNAME_SIZE 128
+
+static ZipArchive* archive;
+static std::map<std::string, bool> should_inject_cache;
+
+static std::string get_type_path(const char* io_type) {
+ return android::base::StringPrintf("%s/%s", OTAIO_BASE_DIR, io_type);
+}
+
+void ota_io_init(ZipArchive* za) {
+ archive = za;
+ ota_set_fault_files();
+}
+
+bool should_fault_inject(const char* io_type) {
+ // archive will be NULL if we used an entry point other
+ // than updater/updater.cpp:main
+ if (archive == NULL) {
+ return false;
+ }
+ const std::string type_path = get_type_path(io_type);
+ if (should_inject_cache.find(type_path) != should_inject_cache.end()) {
+ return should_inject_cache[type_path];
+ }
+ const ZipEntry* entry = mzFindZipEntry(archive, type_path.c_str());
+ should_inject_cache[type_path] = entry != nullptr;
+ return entry != NULL;
+}
+
+bool should_hit_cache() {
+ return should_fault_inject(OTAIO_CACHE);
+}
+
+std::string fault_fname(const char* io_type) {
+ std::string type_path = get_type_path(io_type);
+ std::string fname;
+ fname.resize(OTAIO_MAX_FNAME_SIZE);
+ const ZipEntry* entry = mzFindZipEntry(archive, type_path.c_str());
+ mzReadZipEntry(archive, entry, &fname[0], OTAIO_MAX_FNAME_SIZE);
+ return fname;
+}
diff --git a/otafault/config.h b/otafault/config.h
new file mode 100644
index 0000000..4430be3
--- /dev/null
+++ b/otafault/config.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * Read configuration files in the OTA package to determine which files, if any, will trigger errors.
+ *
+ * OTA packages can be modified to trigger errors by adding a top-level
+ * directory called .libotafault, which may optionally contain up to three
+ * files called READ, WRITE, and FSYNC. Each one of these optional files
+ * contains the name of a single file on the device disk which will cause
+ * an IO error on the first call of the appropriate I/O action to that file.
+ *
+ * Example:
+ * ota.zip
+ * <normal package contents>
+ * .libotafault
+ * WRITE
+ *
+ * If the contents of the file WRITE were /system/build.prop, the first write
+ * action to /system/build.prop would fail with EIO. Note that READ and
+ * FSYNC files are absent, so these actions will not cause an error.
+ */
+
+#ifndef _UPDATER_OTA_IO_CFG_H_
+#define _UPDATER_OTA_IO_CFG_H_
+
+#include <string>
+
+#include <stdbool.h>
+
+#include "minzip/Zip.h"
+
+#define OTAIO_BASE_DIR ".libotafault"
+#define OTAIO_READ "READ"
+#define OTAIO_WRITE "WRITE"
+#define OTAIO_FSYNC "FSYNC"
+#define OTAIO_CACHE "CACHE"
+
+/*
+ * Initialize libotafault by providing a reference to the OTA package.
+ */
+void ota_io_init(ZipArchive* za);
+
+/*
+ * Return true if a config file is present for the given IO type.
+ */
+bool should_fault_inject(const char* io_type);
+
+/*
+ * Return true if an EIO should occur on the next hit to /cache/saved.file
+ * instead of the next hit to the specified file.
+ */
+bool should_hit_cache();
+
+/*
+ * Return the name of the file that should cause an error for the
+ * given IO type.
+ */
+std::string fault_fname(const char* io_type);
+
+#endif
diff --git a/otafault/ota_io.cpp b/otafault/ota_io.cpp
new file mode 100644
index 0000000..0445853
--- /dev/null
+++ b/otafault/ota_io.cpp
@@ -0,0 +1,176 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <map>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "config.h"
+#include "ota_io.h"
+
+static std::map<intptr_t, const char*> filename_cache;
+static std::string read_fault_file_name = "";
+static std::string write_fault_file_name = "";
+static std::string fsync_fault_file_name = "";
+
+static bool get_hit_file(const char* cached_path, std::string ffn) {
+ return should_hit_cache()
+ ? !strncmp(cached_path, OTAIO_CACHE_FNAME, strlen(cached_path))
+ : !strncmp(cached_path, ffn.c_str(), strlen(cached_path));
+}
+
+void ota_set_fault_files() {
+ if (should_fault_inject(OTAIO_READ)) {
+ read_fault_file_name = fault_fname(OTAIO_READ);
+ }
+ if (should_fault_inject(OTAIO_WRITE)) {
+ write_fault_file_name = fault_fname(OTAIO_WRITE);
+ }
+ if (should_fault_inject(OTAIO_FSYNC)) {
+ fsync_fault_file_name = fault_fname(OTAIO_FSYNC);
+ }
+}
+
+bool have_eio_error = false;
+
+int ota_open(const char* path, int oflags) {
+ // Let the caller handle errors; we do not care if open succeeds or fails
+ int fd = open(path, oflags);
+ filename_cache[fd] = path;
+ return fd;
+}
+
+int ota_open(const char* path, int oflags, mode_t mode) {
+ int fd = open(path, oflags, mode);
+ filename_cache[fd] = path;
+ return fd; }
+
+FILE* ota_fopen(const char* path, const char* mode) {
+ FILE* fh = fopen(path, mode);
+ filename_cache[(intptr_t)fh] = path;
+ return fh;
+}
+
+int ota_close(int fd) {
+ // descriptors can be reused, so make sure not to leave them in the cache
+ filename_cache.erase(fd);
+ return close(fd);
+}
+
+int ota_fclose(FILE* fh) {
+ filename_cache.erase((intptr_t)fh);
+ return fclose(fh);
+}
+
+size_t ota_fread(void* ptr, size_t size, size_t nitems, FILE* stream) {
+ if (should_fault_inject(OTAIO_READ)) {
+ auto cached = filename_cache.find((intptr_t)stream);
+ const char* cached_path = cached->second;
+ if (cached != filename_cache.end() &&
+ get_hit_file(cached_path, read_fault_file_name)) {
+ read_fault_file_name = "";
+ errno = EIO;
+ have_eio_error = true;
+ return 0;
+ }
+ }
+ size_t status = fread(ptr, size, nitems, stream);
+ if (status != nitems && errno == EIO) {
+ have_eio_error = true;
+ }
+ return status;
+}
+
+ssize_t ota_read(int fd, void* buf, size_t nbyte) {
+ if (should_fault_inject(OTAIO_READ)) {
+ auto cached = filename_cache.find(fd);
+ const char* cached_path = cached->second;
+ if (cached != filename_cache.end()
+ && get_hit_file(cached_path, read_fault_file_name)) {
+ read_fault_file_name = "";
+ errno = EIO;
+ have_eio_error = true;
+ return -1;
+ }
+ }
+ ssize_t status = read(fd, buf, nbyte);
+ if (status == -1 && errno == EIO) {
+ have_eio_error = true;
+ }
+ return status;
+}
+
+size_t ota_fwrite(const void* ptr, size_t size, size_t count, FILE* stream) {
+ if (should_fault_inject(OTAIO_WRITE)) {
+ auto cached = filename_cache.find((intptr_t)stream);
+ const char* cached_path = cached->second;
+ if (cached != filename_cache.end() &&
+ get_hit_file(cached_path, write_fault_file_name)) {
+ write_fault_file_name = "";
+ errno = EIO;
+ have_eio_error = true;
+ return 0;
+ }
+ }
+ size_t status = fwrite(ptr, size, count, stream);
+ if (status != count && errno == EIO) {
+ have_eio_error = true;
+ }
+ return status;
+}
+
+ssize_t ota_write(int fd, const void* buf, size_t nbyte) {
+ if (should_fault_inject(OTAIO_WRITE)) {
+ auto cached = filename_cache.find(fd);
+ const char* cached_path = cached->second;
+ if (cached != filename_cache.end() &&
+ get_hit_file(cached_path, write_fault_file_name)) {
+ write_fault_file_name = "";
+ errno = EIO;
+ have_eio_error = true;
+ return -1;
+ }
+ }
+ ssize_t status = write(fd, buf, nbyte);
+ if (status == -1 && errno == EIO) {
+ have_eio_error = true;
+ }
+ return status;
+}
+
+int ota_fsync(int fd) {
+ if (should_fault_inject(OTAIO_FSYNC)) {
+ auto cached = filename_cache.find(fd);
+ const char* cached_path = cached->second;
+ if (cached != filename_cache.end() &&
+ get_hit_file(cached_path, fsync_fault_file_name)) {
+ fsync_fault_file_name = "";
+ errno = EIO;
+ have_eio_error = true;
+ return -1;
+ }
+ }
+ int status = fsync(fd);
+ if (status == -1 && errno == EIO) {
+ have_eio_error = true;
+ }
+ return status;
+}
+
diff --git a/otafault/ota_io.h b/otafault/ota_io.h
new file mode 100644
index 0000000..84187a7
--- /dev/null
+++ b/otafault/ota_io.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * Provide a series of proxy functions for basic file accessors.
+ * The behavior of these functions can be changed to return different
+ * errors under a variety of conditions.
+ */
+
+#ifndef _UPDATER_OTA_IO_H_
+#define _UPDATER_OTA_IO_H_
+
+#include <stdio.h>
+#include <sys/stat.h>
+
+#define OTAIO_CACHE_FNAME "/cache/saved.file"
+
+void ota_set_fault_files();
+
+int ota_open(const char* path, int oflags);
+
+int ota_open(const char* path, int oflags, mode_t mode);
+
+FILE* ota_fopen(const char* filename, const char* mode);
+
+int ota_close(int fd);
+
+int ota_fclose(FILE* fh);
+
+size_t ota_fread(void* ptr, size_t size, size_t nitems, FILE* stream);
+
+ssize_t ota_read(int fd, void* buf, size_t nbyte);
+
+size_t ota_fwrite(const void* ptr, size_t size, size_t count, FILE* stream);
+
+ssize_t ota_write(int fd, const void* buf, size_t nbyte);
+
+int ota_fsync(int fd);
+
+#endif
diff --git a/otafault/test.cpp b/otafault/test.cpp
new file mode 100644
index 0000000..6514782
--- /dev/null
+++ b/otafault/test.cpp
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include "ota_io.h"
+
+int main(int /* argc */, char** /* argv */) {
+ int fd = open("testdata/test.file", O_RDWR);
+ char buf[8];
+ const char* out = "321";
+ int readv = ota_read(fd, buf, 4);
+ printf("Read returned %d\n", readv);
+ int writev = ota_write(fd, out, 4);
+ printf("Write returned %d\n", writev);
+ close(fd);
+ return 0;
+}
diff --git a/print_sha1.h b/print_sha1.h
new file mode 100644
index 0000000..c7c1f36
--- /dev/null
+++ b/print_sha1.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef RECOVERY_PRINT_SHA1_H
+#define RECOVERY_PRINT_SHA1_H
+
+#include <stdint.h>
+#include <string>
+
+#include "openssl/sha.h"
+
+static std::string print_sha1(const uint8_t* sha1, size_t len) {
+ const char* hex = "0123456789abcdef";
+ std::string result = "";
+ for (size_t i = 0; i < len; ++i) {
+ result.push_back(hex[(sha1[i]>>4) & 0xf]);
+ result.push_back(hex[sha1[i] & 0xf]);
+ }
+ return result;
+}
+
+static std::string print_sha1(const uint8_t sha1[SHA_DIGEST_LENGTH]) {
+ return print_sha1(sha1, SHA_DIGEST_LENGTH);
+}
+
+static std::string short_sha1(const uint8_t sha1[SHA_DIGEST_LENGTH]) {
+ return print_sha1(sha1, 4);
+}
+
+static std::string print_hex(const uint8_t* bytes, size_t len) {
+ return print_sha1(bytes, len);
+}
+
+#endif // RECOVERY_PRINT_SHA1_H
diff --git a/recovery-persist.cpp b/recovery-persist.cpp
new file mode 100644
index 0000000..25df03f
--- /dev/null
+++ b/recovery-persist.cpp
@@ -0,0 +1,205 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "recovery-persist"
+
+//
+// Strictly to deal with reboot into system after OTA after /data
+// mounts to pull the last pmsg file data and place it
+// into /data/misc/recovery/ directory, rotating it in.
+//
+// Usage: recovery-persist [--force-persist]
+//
+// On systems without /cache mount, all file content representing in the
+// recovery/ directory stored in /sys/fs/pstore/pmsg-ramoops-0 in logger
+// format that reside in the LOG_ID_SYSTEM buffer at ANDROID_LOG_INFO
+// priority or higher is transfered to the /data/misc/recovery/ directory.
+// The content is matched and rotated in as need be.
+//
+// --force-persist ignore /cache mount, always rotate in the contents.
+//
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <string>
+
+#include <android/log.h> /* Android Log Priority Tags */
+#include <android-base/file.h>
+#include <log/log.h>
+#include <log/logger.h> /* Android Log packet format */
+#include <private/android_logger.h> /* private pmsg functions */
+
+static const char *LAST_LOG_FILE = "/data/misc/recovery/last_log";
+static const char *LAST_PMSG_FILE = "/sys/fs/pstore/pmsg-ramoops-0";
+static const char *LAST_KMSG_FILE = "/data/misc/recovery/last_kmsg";
+static const char *LAST_CONSOLE_FILE = "/sys/fs/pstore/console-ramoops-0";
+static const char *ALT_LAST_CONSOLE_FILE = "/sys/fs/pstore/console-ramoops";
+
+static const int KEEP_LOG_COUNT = 10;
+
+// close a file, log an error if the error indicator is set
+static void check_and_fclose(FILE *fp, const char *name) {
+ fflush(fp);
+ if (ferror(fp)) SLOGE("%s %s", name, strerror(errno));
+ fclose(fp);
+}
+
+static void copy_file(const char* source, const char* destination) {
+ FILE* dest_fp = fopen(destination, "w");
+ if (dest_fp == nullptr) {
+ SLOGE("%s %s", destination, strerror(errno));
+ } else {
+ FILE* source_fp = fopen(source, "r");
+ if (source_fp != nullptr) {
+ char buf[4096];
+ size_t bytes;
+ while ((bytes = fread(buf, 1, sizeof(buf), source_fp)) != 0) {
+ fwrite(buf, 1, bytes, dest_fp);
+ }
+ check_and_fclose(source_fp, source);
+ }
+ check_and_fclose(dest_fp, destination);
+ }
+}
+
+static bool rotated = false;
+
+// Rename last_log -> last_log.1 -> last_log.2 -> ... -> last_log.$max.
+// Similarly rename last_kmsg -> last_kmsg.1 -> ... -> last_kmsg.$max.
+// Overwrite any existing last_log.$max and last_kmsg.$max.
+static void rotate_logs(int max) {
+ // Logs should only be rotated once.
+
+ if (rotated) {
+ return;
+ }
+ rotated = true;
+
+ for (int i = max-1; i >= 0; --i) {
+ std::string old_log(LAST_LOG_FILE);
+ if (i > 0) {
+ old_log += "." + std::to_string(i);
+ }
+ std::string new_log(LAST_LOG_FILE);
+ new_log += "." + std::to_string(i+1);
+
+ // Ignore errors if old_log doesn't exist.
+ rename(old_log.c_str(), new_log.c_str());
+
+ std::string old_kmsg(LAST_KMSG_FILE);
+ if (i > 0) {
+ old_kmsg += "." + std::to_string(i);
+ }
+ std::string new_kmsg(LAST_KMSG_FILE);
+ new_kmsg += "." + std::to_string(i+1);
+
+ rename(old_kmsg.c_str(), new_kmsg.c_str());
+ }
+}
+
+ssize_t logsave(
+ log_id_t /* logId */,
+ char /* prio */,
+ const char *filename,
+ const char *buf, size_t len,
+ void * /* arg */) {
+
+ std::string destination("/data/misc/");
+ destination += filename;
+
+ std::string buffer(buf, len);
+
+ {
+ std::string content;
+ android::base::ReadFileToString(destination, &content);
+
+ if (buffer.compare(content) == 0) {
+ return len;
+ }
+ }
+
+ // ToDo: Any others that match? Are we pulling in multiple
+ // already-rotated files? Algorithm thus far is KISS: one file,
+ // one rotation allowed.
+
+ rotate_logs(KEEP_LOG_COUNT);
+
+ return android::base::WriteStringToFile(buffer, destination.c_str());
+}
+
+int main(int argc, char **argv) {
+
+ /* Is /cache a mount?, we have been delivered where we are not wanted */
+ /*
+ * Following code halves the size of the executable as compared to:
+ *
+ * load_volume_table();
+ * has_cache = volume_for_path(CACHE_ROOT) != nullptr;
+ */
+ bool has_cache = false;
+ static const char mounts_file[] = "/proc/mounts";
+ FILE *fp = fopen(mounts_file, "r");
+ if (!fp) {
+ SLOGV("%s %s", mounts_file, strerror(errno));
+ } else {
+ char *line = NULL;
+ size_t len = 0;
+ ssize_t read;
+ while ((read = getline(&line, &len, fp)) != -1) {
+ if (strstr(line, " /cache ")) {
+ has_cache = true;
+ break;
+ }
+ }
+ free(line);
+ fclose(fp);
+ }
+
+ if (has_cache) {
+ /*
+ * TBD: Future location to move content from
+ * /cache/recovery to /data/misc/recovery/
+ */
+ /* if --force-persist flag, then transfer pmsg data anyways */
+ if ((argc <= 1) || !argv[1] || strcmp(argv[1], "--force-persist")) {
+ return 0;
+ }
+ }
+
+ /* Is there something in pmsg? */
+ if (access(LAST_PMSG_FILE, R_OK)) {
+ return 0;
+ }
+
+ // Take last pmsg file contents and send it off to the logsave
+ __android_log_pmsg_file_read(
+ LOG_ID_SYSTEM, ANDROID_LOG_INFO, "recovery/", logsave, NULL);
+
+ /* Is there a last console log too? */
+ if (rotated) {
+ if (!access(LAST_CONSOLE_FILE, R_OK)) {
+ copy_file(LAST_CONSOLE_FILE, LAST_KMSG_FILE);
+ } else if (!access(ALT_LAST_CONSOLE_FILE, R_OK)) {
+ copy_file(ALT_LAST_CONSOLE_FILE, LAST_KMSG_FILE);
+ }
+ }
+
+ return 0;
+}
diff --git a/recovery-persist.rc b/recovery-persist.rc
new file mode 100644
index 0000000..6761627
--- /dev/null
+++ b/recovery-persist.rc
@@ -0,0 +1,3 @@
+on post-fs-data
+ mkdir /data/misc/recovery 0770 system log
+ exec - system log -- /system/bin/recovery-persist
diff --git a/recovery-refresh.cpp b/recovery-refresh.cpp
new file mode 100644
index 0000000..70adc70
--- /dev/null
+++ b/recovery-refresh.cpp
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "recovery-refresh"
+
+//
+// Strictly to deal with reboot into system after OTA, then
+// reboot while in system before boot complete landing us back
+// into recovery to continue with any mitigations with retained
+// log history. This simply refreshes the pmsg files from
+// the last pmsg file contents.
+//
+// Usage:
+// recovery-refresh [--force-rotate|--rotate]
+//
+// All file content representing in the recovery/ directory stored in
+// /sys/fs/pstore/pmsg-ramoops-0 in logger format that reside in the
+// LOG_ID_SYSTEM buffer at ANDROID_LOG_INFO priority or higher is
+// refreshed into /dev/pmsg0. This ensures that an unexpected reboot
+// before recovery-persist is run will still contain the associated
+// pmsg Android Logger content.
+//
+// --force-rotate recovery/last_kmsg and recovery.last_log files are
+// rotated with .<number> suffixes upwards.
+// --rotate rotated only if rocovery/last_msg or recovery/last_log
+// exist, otherwise perform 1:1 refresh.
+//
+
+#include <string.h>
+
+#include <string>
+
+#include <android/log.h> /* Android Log Priority Tags */
+#include <log/logger.h> /* Android Log packet format */
+#include <private/android_logger.h> /* private pmsg functions */
+
+static const char LAST_KMSG_FILE[] = "recovery/last_kmsg";
+static const char LAST_LOG_FILE[] = "recovery/last_log";
+
+static ssize_t logbasename(
+ log_id_t /* logId */,
+ char /* prio */,
+ const char *filename,
+ const char * /* buf */, size_t len,
+ void *arg) {
+ if (strstr(LAST_KMSG_FILE, filename) ||
+ strstr(LAST_LOG_FILE, filename)) {
+ bool *doRotate = reinterpret_cast<bool *>(arg);
+ *doRotate = true;
+ }
+ return len;
+}
+
+static ssize_t logrotate(
+ log_id_t logId,
+ char prio,
+ const char *filename,
+ const char *buf, size_t len,
+ void *arg) {
+ bool *doRotate = reinterpret_cast<bool *>(arg);
+ if (!*doRotate) {
+ return __android_log_pmsg_file_write(logId, prio, filename, buf, len);
+ }
+
+ std::string name(filename);
+ size_t dot = name.find_last_of(".");
+ std::string sub = name.substr(0, dot);
+
+ if (!strstr(LAST_KMSG_FILE, sub.c_str()) &&
+ !strstr(LAST_LOG_FILE, sub.c_str())) {
+ return __android_log_pmsg_file_write(logId, prio, filename, buf, len);
+ }
+
+ // filename rotation
+ if (dot == std::string::npos) {
+ name += ".1";
+ } else {
+ std::string number = name.substr(dot + 1);
+ if (!isdigit(number.data()[0])) {
+ name += ".1";
+ } else {
+ unsigned long long i = std::stoull(number);
+ name = sub + "." + std::to_string(i + 1);
+ }
+ }
+
+ return __android_log_pmsg_file_write(logId, prio, name.c_str(), buf, len);
+}
+
+int main(int argc, char **argv) {
+ static const char filter[] = "recovery/";
+ static const char force_rotate_flag[] = "--force-rotate";
+ static const char rotate_flag[] = "--rotate";
+ ssize_t ret;
+ bool doRotate = false;
+
+ // Take last pmsg contents and rewrite it to the current pmsg session.
+ if ((argc <= 1) || !argv[1] ||
+ (((doRotate = strcmp(argv[1], rotate_flag))) &&
+ strcmp(argv[1], force_rotate_flag))) {
+ doRotate = false;
+ } else if (!doRotate) {
+ // Do we need to rotate?
+ __android_log_pmsg_file_read(
+ LOG_ID_SYSTEM, ANDROID_LOG_INFO, filter,
+ logbasename, &doRotate);
+ }
+
+ // Take action to refresh pmsg contents
+ ret = __android_log_pmsg_file_read(
+ LOG_ID_SYSTEM, ANDROID_LOG_INFO, filter,
+ logrotate, &doRotate);
+
+ return (ret < 0) ? ret : 0;
+}
diff --git a/recovery-refresh.rc b/recovery-refresh.rc
new file mode 100644
index 0000000..14b05cc
--- /dev/null
+++ b/recovery-refresh.rc
@@ -0,0 +1,2 @@
+on post-fs
+ exec - system log -- /system/bin/recovery-refresh
diff --git a/recovery.cpp b/recovery.cpp
index b7a5458..6b6643f 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -28,33 +28,44 @@
#include <sys/klog.h>
#include <sys/stat.h>
#include <sys/types.h>
+#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
-#include <base/file.h>
-#include <base/stringprintf.h>
+#include <chrono>
+#include <adb.h>
+#include <android/log.h> /* Android Log Priority Tags */
+#include <android-base/file.h>
+#include <android-base/parseint.h>
+#include <android-base/stringprintf.h>
+#include <cutils/android_reboot.h>
+#include <cutils/properties.h>
+#include <log/logger.h> /* Android Log packet format */
+#include <private/android_logger.h> /* private pmsg functions */
+
+#include <healthd/BatteryMonitor.h>
+
+#include "adb_install.h"
#include "bootloader.h"
#include "common.h"
-#include "cutils/properties.h"
-#include "cutils/android_reboot.h"
+#include "device.h"
+#include "error_code.h"
+#include "fuse_sdcard_provider.h"
+#include "fuse_sideload.h"
#include "install.h"
#include "minui/minui.h"
#include "minzip/DirUtil.h"
#include "roots.h"
#include "ui.h"
#include "screen_ui.h"
-#include "device.h"
-#include "adb_install.h"
-#include "adb.h"
-#include "fuse_sideload.h"
-#include "fuse_sdcard_provider.h"
struct selabel_handle *sehandle;
static const struct option OPTIONS[] = {
{ "send_intent", required_argument, NULL, 'i' },
{ "update_package", required_argument, NULL, 'u' },
+ { "retry_count", required_argument, NULL, 'n' },
{ "wipe_data", no_argument, NULL, 'w' },
{ "wipe_cache", no_argument, NULL, 'c' },
{ "show_text", no_argument, NULL, 't' },
@@ -65,6 +76,7 @@
{ "stages", required_argument, NULL, 'g' },
{ "shutdown_after", no_argument, NULL, 'p' },
{ "reason", required_argument, NULL, 'r' },
+ { "security", no_argument, NULL, 'e'},
{ NULL, 0, NULL, 0 },
};
@@ -74,19 +86,30 @@
static const char *LOG_FILE = "/cache/recovery/log";
static const char *LAST_INSTALL_FILE = "/cache/recovery/last_install";
static const char *LOCALE_FILE = "/cache/recovery/last_locale";
+static const char *CONVERT_FBE_DIR = "/tmp/convert_fbe";
+static const char *CONVERT_FBE_FILE = "/tmp/convert_fbe/convert_fbe";
static const char *CACHE_ROOT = "/cache";
+static const char *DATA_ROOT = "/data";
static const char *SDCARD_ROOT = "/sdcard";
static const char *TEMPORARY_LOG_FILE = "/tmp/recovery.log";
static const char *TEMPORARY_INSTALL_FILE = "/tmp/last_install";
static const char *LAST_KMSG_FILE = "/cache/recovery/last_kmsg";
static const char *LAST_LOG_FILE = "/cache/recovery/last_log";
static const int KEEP_LOG_COUNT = 10;
+static const int EIO_RETRY_COUNT = 2;
+static const int BATTERY_READ_TIMEOUT_IN_SEC = 10;
+// GmsCore enters recovery mode to install package when having enough battery
+// percentage. Normally, the threshold is 40% without charger and 20% with charger.
+// So we should check battery with a slightly lower limitation.
+static const int BATTERY_OK_PERCENTAGE = 20;
+static const int BATTERY_WITH_CHARGER_OK_PERCENTAGE = 15;
RecoveryUI* ui = NULL;
-char* locale = NULL;
+static const char* locale = "en_US";
char* stage = NULL;
char* reason = NULL;
bool modified_flash = false;
+static bool has_cache = false;
/*
* The recovery tool communicates with the main system through /cache files.
@@ -151,8 +174,7 @@
static const int MAX_ARGS = 100;
// open a given path, mounting partitions as necessary
-FILE*
-fopen_path(const char *path, const char *mode) {
+FILE* fopen_path(const char *path, const char *mode) {
if (ensure_path_mounted(path) != 0) {
LOGE("Can't mount %s\n", path);
return NULL;
@@ -166,23 +188,102 @@
return fp;
}
+// close a file, log an error if the error indicator is set
+static void check_and_fclose(FILE *fp, const char *name) {
+ fflush(fp);
+ if (ferror(fp)) LOGE("Error in %s\n(%s)\n", name, strerror(errno));
+ fclose(fp);
+}
+
bool is_ro_debuggable() {
char value[PROPERTY_VALUE_MAX+1];
return (property_get("ro.debuggable", value, NULL) == 1 && value[0] == '1');
}
static void redirect_stdio(const char* filename) {
- // If these fail, there's not really anywhere to complain...
- freopen(filename, "a", stdout); setbuf(stdout, NULL);
- freopen(filename, "a", stderr); setbuf(stderr, NULL);
-}
+ int pipefd[2];
+ if (pipe(pipefd) == -1) {
+ LOGE("pipe failed: %s\n", strerror(errno));
-// close a file, log an error if the error indicator is set
-static void
-check_and_fclose(FILE *fp, const char *name) {
- fflush(fp);
- if (ferror(fp)) LOGE("Error in %s\n(%s)\n", name, strerror(errno));
- fclose(fp);
+ // Fall back to traditional logging mode without timestamps.
+ // If these fail, there's not really anywhere to complain...
+ freopen(filename, "a", stdout); setbuf(stdout, NULL);
+ freopen(filename, "a", stderr); setbuf(stderr, NULL);
+
+ return;
+ }
+
+ pid_t pid = fork();
+ if (pid == -1) {
+ LOGE("fork failed: %s\n", strerror(errno));
+
+ // Fall back to traditional logging mode without timestamps.
+ // If these fail, there's not really anywhere to complain...
+ freopen(filename, "a", stdout); setbuf(stdout, NULL);
+ freopen(filename, "a", stderr); setbuf(stderr, NULL);
+
+ return;
+ }
+
+ if (pid == 0) {
+ /// Close the unused write end.
+ close(pipefd[1]);
+
+ auto start = std::chrono::steady_clock::now();
+
+ // Child logger to actually write to the log file.
+ FILE* log_fp = fopen(filename, "a");
+ if (log_fp == nullptr) {
+ LOGE("fopen \"%s\" failed: %s\n", filename, strerror(errno));
+ close(pipefd[0]);
+ _exit(1);
+ }
+
+ FILE* pipe_fp = fdopen(pipefd[0], "r");
+ if (pipe_fp == nullptr) {
+ LOGE("fdopen failed: %s\n", strerror(errno));
+ check_and_fclose(log_fp, filename);
+ close(pipefd[0]);
+ _exit(1);
+ }
+
+ char* line = nullptr;
+ size_t len = 0;
+ while (getline(&line, &len, pipe_fp) != -1) {
+ auto now = std::chrono::steady_clock::now();
+ double duration = std::chrono::duration_cast<std::chrono::duration<double>>(
+ now - start).count();
+ if (line[0] == '\n') {
+ fprintf(log_fp, "[%12.6lf]\n", duration);
+ } else {
+ fprintf(log_fp, "[%12.6lf] %s", duration, line);
+ }
+ fflush(log_fp);
+ }
+
+ LOGE("getline failed: %s\n", strerror(errno));
+
+ free(line);
+ check_and_fclose(log_fp, filename);
+ close(pipefd[0]);
+ _exit(1);
+ } else {
+ // Redirect stdout/stderr to the logger process.
+ // Close the unused read end.
+ close(pipefd[0]);
+
+ setbuf(stdout, nullptr);
+ setbuf(stderr, nullptr);
+
+ if (dup2(pipefd[1], STDOUT_FILENO) == -1) {
+ LOGE("dup2 stdout failed: %s\n", strerror(errno));
+ }
+ if (dup2(pipefd[1], STDERR_FILENO) == -1) {
+ LOGE("dup2 stderr failed: %s\n", strerror(errno));
+ }
+
+ close(pipefd[1]);
+ }
}
// command line args come from, in decreasing precedence:
@@ -221,8 +322,8 @@
}
}
- // --- if that doesn't work, try the command file
- if (*argc <= 1) {
+ // --- if that doesn't work, try the command file (if we have /cache).
+ if (*argc <= 1 && has_cache) {
FILE *fp = fopen_path(COMMAND_FILE, "r");
if (fp != NULL) {
char *token;
@@ -285,6 +386,18 @@
android::base::WriteStringToFile(buffer, destination);
}
+// write content to the current pmsg session.
+static ssize_t __pmsg_write(const char *filename, const char *buf, size_t len) {
+ return __android_log_pmsg_file_write(LOG_ID_SYSTEM, ANDROID_LOG_INFO,
+ filename, buf, len);
+}
+
+static void copy_log_file_to_pmsg(const char* source, const char* destination) {
+ std::string content;
+ android::base::ReadFileToString(source, &content);
+ __pmsg_write(destination, content.c_str(), content.length());
+}
+
// How much of the temp log we have copied to the copy in cache.
static long tmplog_offset = 0;
@@ -326,14 +439,18 @@
ensure_path_mounted(LAST_KMSG_FILE);
for (int i = max-1; i >= 0; --i) {
- std::string old_log = android::base::StringPrintf((i == 0) ? "%s" : "%s.%d",
- LAST_LOG_FILE, i);
+ std::string old_log = android::base::StringPrintf("%s", LAST_LOG_FILE);
+ if (i > 0) {
+ old_log += "." + std::to_string(i);
+ }
std::string new_log = android::base::StringPrintf("%s.%d", LAST_LOG_FILE, i+1);
// Ignore errors if old_log doesn't exist.
rename(old_log.c_str(), new_log.c_str());
- std::string old_kmsg = android::base::StringPrintf((i == 0) ? "%s" : "%s.%d",
- LAST_KMSG_FILE, i);
+ std::string old_kmsg = android::base::StringPrintf("%s", LAST_KMSG_FILE);
+ if (i > 0) {
+ old_kmsg += "." + std::to_string(i);
+ }
std::string new_kmsg = android::base::StringPrintf("%s.%d", LAST_KMSG_FILE, i+1);
rename(old_kmsg.c_str(), new_kmsg.c_str());
}
@@ -348,6 +465,15 @@
return;
}
+ // Always write to pmsg, this allows the OTA logs to be caught in logcat -L
+ copy_log_file_to_pmsg(TEMPORARY_LOG_FILE, LAST_LOG_FILE);
+ copy_log_file_to_pmsg(TEMPORARY_INSTALL_FILE, LAST_INSTALL_FILE);
+
+ // We can do nothing for now if there's no /cache partition.
+ if (!has_cache) {
+ return;
+ }
+
rotate_logs(KEEP_LOG_COUNT);
// Copy logs to cache so the system can find out what happened.
@@ -371,7 +497,7 @@
static void
finish_recovery(const char *send_intent) {
// By this point, we're ready to return to the main system...
- if (send_intent != NULL) {
+ if (send_intent != NULL && has_cache) {
FILE *fp = fopen_path(INTENT_FILE, "w");
if (fp == NULL) {
LOGE("Can't open %s\n", INTENT_FILE);
@@ -385,12 +511,16 @@
// without a --locale argument (eg, directly from the bootloader)
// it will use the last-known locale.
if (locale != NULL) {
- LOGI("Saving locale \"%s\"\n", locale);
- FILE* fp = fopen_path(LOCALE_FILE, "w");
- fwrite(locale, 1, strlen(locale), fp);
- fflush(fp);
- fsync(fileno(fp));
- check_and_fclose(fp, LOCALE_FILE);
+ size_t len = strlen(locale);
+ __pmsg_write(LOCALE_FILE, locale, len);
+ if (has_cache) {
+ LOGI("Saving locale \"%s\"\n", locale);
+ FILE* fp = fopen_path(LOCALE_FILE, "w");
+ fwrite(locale, 1, len, fp);
+ fflush(fp);
+ fsync(fileno(fp));
+ check_and_fclose(fp, LOCALE_FILE);
+ }
}
copy_logs();
@@ -401,12 +531,13 @@
set_bootloader_message(&boot);
// Remove the command file, so recovery won't repeat indefinitely.
- if (ensure_path_mounted(COMMAND_FILE) != 0 ||
- (unlink(COMMAND_FILE) && errno != ENOENT)) {
- LOGW("Can't unlink %s\n", COMMAND_FILE);
+ if (has_cache) {
+ if (ensure_path_mounted(COMMAND_FILE) != 0 || (unlink(COMMAND_FILE) && errno != ENOENT)) {
+ LOGW("Can't unlink %s\n", COMMAND_FILE);
+ }
+ ensure_path_unmounted(CACHE_ROOT);
}
- ensure_path_unmounted(CACHE_ROOT);
sync(); // For good measure.
}
@@ -419,6 +550,7 @@
static bool erase_volume(const char* volume) {
bool is_cache = (strcmp(volume, CACHE_ROOT) == 0);
+ bool is_data = (strcmp(volume, DATA_ROOT) == 0);
ui->SetBackground(RecoveryUI::ERASING);
ui->SetProgressType(RecoveryUI::INDETERMINATE);
@@ -473,7 +605,28 @@
ui->Print("Formatting %s...\n", volume);
ensure_path_unmounted(volume);
- int result = format_volume(volume);
+
+ int result;
+
+ if (is_data && reason && strcmp(reason, "convert_fbe") == 0) {
+ // Create convert_fbe breadcrumb file to signal to init
+ // to convert to file based encryption, not full disk encryption
+ if (mkdir(CONVERT_FBE_DIR, 0700) != 0) {
+ ui->Print("Failed to make convert_fbe dir %s\n", strerror(errno));
+ return true;
+ }
+ FILE* f = fopen(CONVERT_FBE_FILE, "wb");
+ if (!f) {
+ ui->Print("Failed to convert to file encryption %s\n", strerror(errno));
+ return true;
+ }
+ fclose(f);
+ result = format_volume(volume, CONVERT_FBE_DIR);
+ remove(CONVERT_FBE_FILE);
+ rmdir(CONVERT_FBE_DIR);
+ } else {
+ result = format_volume(volume);
+ }
if (is_cache) {
while (head) {
@@ -675,7 +828,7 @@
bool success =
device->PreWipeData() &&
erase_volume("/data") &&
- erase_volume("/cache") &&
+ (has_cache ? erase_volume("/cache") : true) &&
device->PostWipeData();
ui->Print("Data wipe %s.\n", success ? "complete" : "failed");
return success;
@@ -683,6 +836,11 @@
// Return true on success.
static bool wipe_cache(bool should_confirm, Device* device) {
+ if (!has_cache) {
+ ui->Print("No /cache partition found.\n");
+ return false;
+ }
+
if (should_confirm && !yes_no(device, "Wipe cache?", " THIS CAN NOT BE UNDONE!")) {
return false;
}
@@ -696,6 +854,11 @@
}
static void choose_recovery_file(Device* device) {
+ if (!has_cache) {
+ ui->Print("No /cache partition found.\n");
+ return;
+ }
+
// "Back" + KEEP_LOG_COUNT * 2 + terminating nullptr entry
char* entries[1 + KEEP_LOG_COUNT * 2 + 1];
memset(entries, 0, sizeof(entries));
@@ -706,7 +869,10 @@
// Add LAST_KMSG_FILE + LAST_KMSG_FILE.x
for (int i = 0; i < KEEP_LOG_COUNT; i++) {
char* log_file;
- if (asprintf(&log_file, (i == 0) ? "%s" : "%s.%d", LAST_LOG_FILE, i) == -1) {
+ int ret;
+ ret = (i == 0) ? asprintf(&log_file, "%s", LAST_LOG_FILE) :
+ asprintf(&log_file, "%s.%d", LAST_LOG_FILE, i);
+ if (ret == -1) {
// memory allocation failure - return early. Should never happen.
return;
}
@@ -717,7 +883,9 @@
}
char* kmsg_file;
- if (asprintf(&kmsg_file, (i == 0) ? "%s" : "%s.%d", LAST_KMSG_FILE, i) == -1) {
+ ret = (i == 0) ? asprintf(&kmsg_file, "%s", LAST_KMSG_FILE) :
+ asprintf(&kmsg_file, "%s.%d", LAST_KMSG_FILE, i);
+ if (ret == -1) {
// memory allocation failure - return early. Should never happen.
return;
}
@@ -736,10 +904,7 @@
int chosen_item = get_menu_selection(headers, entries, 1, 0, device);
if (strcmp(entries[chosen_item], "Back") == 0) break;
- // TODO: do we need to redirect? ShowFile could just avoid writing to stdio.
- redirect_stdio("/dev/null");
ui->ShowFile(entries[chosen_item]);
- redirect_stdio(TEMPORARY_LOG_FILE);
}
for (size_t i = 0; i < (sizeof(entries) / sizeof(*entries)); i++) {
@@ -747,6 +912,41 @@
}
}
+static void run_graphics_test(Device* device) {
+ // Switch to graphics screen.
+ ui->ShowText(false);
+
+ ui->SetProgressType(RecoveryUI::INDETERMINATE);
+ ui->SetBackground(RecoveryUI::INSTALLING_UPDATE);
+ sleep(1);
+
+ ui->SetBackground(RecoveryUI::ERROR);
+ sleep(1);
+
+ ui->SetBackground(RecoveryUI::NO_COMMAND);
+ sleep(1);
+
+ ui->SetBackground(RecoveryUI::ERASING);
+ sleep(1);
+
+ ui->SetBackground(RecoveryUI::INSTALLING_UPDATE);
+
+ ui->SetProgressType(RecoveryUI::DETERMINATE);
+ ui->ShowProgress(1.0, 10.0);
+ float fraction = 0.0;
+ for (size_t i = 0; i < 100; ++i) {
+ fraction += .01;
+ ui->SetProgress(fraction);
+ usleep(100000);
+ }
+
+ ui->ShowText(true);
+}
+
+// How long (in seconds) we wait for the fuse-provided package file to
+// appear, before timing out.
+#define SDCARD_INSTALL_TIMEOUT 10
+
static int apply_from_sdcard(Device* device, bool* wipe_cache) {
modified_flash = true;
@@ -758,19 +958,68 @@
char* path = browse_directory(SDCARD_ROOT, device);
if (path == NULL) {
ui->Print("\n-- No package file selected.\n");
+ ensure_path_unmounted(SDCARD_ROOT);
return INSTALL_ERROR;
}
ui->Print("\n-- Install %s ...\n", path);
set_sdcard_update_bootloader_message();
- void* token = start_sdcard_fuse(path);
- int status = install_package(FUSE_SIDELOAD_HOST_PATHNAME, wipe_cache,
- TEMPORARY_INSTALL_FILE, false);
+ // We used to use fuse in a thread as opposed to a process. Since accessing
+ // through fuse involves going from kernel to userspace to kernel, it leads
+ // to deadlock when a page fault occurs. (Bug: 26313124)
+ pid_t child;
+ if ((child = fork()) == 0) {
+ bool status = start_sdcard_fuse(path);
- finish_sdcard_fuse(token);
+ _exit(status ? EXIT_SUCCESS : EXIT_FAILURE);
+ }
+
+ // FUSE_SIDELOAD_HOST_PATHNAME will start to exist once the fuse in child
+ // process is ready.
+ int result = INSTALL_ERROR;
+ int status;
+ bool waited = false;
+ for (int i = 0; i < SDCARD_INSTALL_TIMEOUT; ++i) {
+ if (waitpid(child, &status, WNOHANG) == -1) {
+ result = INSTALL_ERROR;
+ waited = true;
+ break;
+ }
+
+ struct stat sb;
+ if (stat(FUSE_SIDELOAD_HOST_PATHNAME, &sb) == -1) {
+ if (errno == ENOENT && i < SDCARD_INSTALL_TIMEOUT-1) {
+ sleep(1);
+ continue;
+ } else {
+ LOGE("Timed out waiting for the fuse-provided package.\n");
+ result = INSTALL_ERROR;
+ kill(child, SIGKILL);
+ break;
+ }
+ }
+
+ result = install_package(FUSE_SIDELOAD_HOST_PATHNAME, wipe_cache,
+ TEMPORARY_INSTALL_FILE, false, 0/*retry_count*/);
+ break;
+ }
+
+ if (!waited) {
+ // Calling stat() on this magic filename signals the fuse
+ // filesystem to shut down.
+ struct stat sb;
+ stat(FUSE_SIDELOAD_HOST_EXIT_PATHNAME, &sb);
+
+ waitpid(child, &status, 0);
+ }
+
+ if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
+ LOGE("Error exit from the fuse process: %d\n", WEXITSTATUS(status));
+ }
+
ensure_path_unmounted(SDCARD_ROOT);
- return status;
+ return result;
}
// Return REBOOT, SHUTDOWN, or REBOOT_BOOTLOADER. Returning NO_ACTION
@@ -852,10 +1101,29 @@
choose_recovery_file(device);
break;
+ case Device::RUN_GRAPHICS_TEST:
+ run_graphics_test(device);
+ break;
+
case Device::MOUNT_SYSTEM:
- if (ensure_path_mounted("/system") != -1) {
- ui->Print("Mounted /system.\n");
+ char system_root_image[PROPERTY_VALUE_MAX];
+ property_get("ro.build.system_root_image", system_root_image, "");
+
+ // For a system image built with the root directory (i.e.
+ // system_root_image == "true"), we mount it to /system_root, and symlink /system
+ // to /system_root/system to make adb shell work (the symlink is created through
+ // the build system).
+ // Bug: 22855115
+ if (strcmp(system_root_image, "true") == 0) {
+ if (ensure_path_mounted_at("/", "/system_root") != -1) {
+ ui->Print("Mounted /system.\n");
+ }
+ } else {
+ if (ensure_path_mounted("/system") != -1) {
+ ui->Print("Mounted /system.\n");
+ }
}
+
break;
}
}
@@ -903,11 +1171,145 @@
}
}
-int
-main(int argc, char **argv) {
- time_t start = time(NULL);
+static bool is_battery_ok() {
+ struct healthd_config healthd_config = {
+ .batteryStatusPath = android::String8(android::String8::kEmptyString),
+ .batteryHealthPath = android::String8(android::String8::kEmptyString),
+ .batteryPresentPath = android::String8(android::String8::kEmptyString),
+ .batteryCapacityPath = android::String8(android::String8::kEmptyString),
+ .batteryVoltagePath = android::String8(android::String8::kEmptyString),
+ .batteryTemperaturePath = android::String8(android::String8::kEmptyString),
+ .batteryTechnologyPath = android::String8(android::String8::kEmptyString),
+ .batteryCurrentNowPath = android::String8(android::String8::kEmptyString),
+ .batteryCurrentAvgPath = android::String8(android::String8::kEmptyString),
+ .batteryChargeCounterPath = android::String8(android::String8::kEmptyString),
+ .batteryFullChargePath = android::String8(android::String8::kEmptyString),
+ .batteryCycleCountPath = android::String8(android::String8::kEmptyString),
+ .energyCounter = NULL,
+ .boot_min_cap = 0,
+ .screen_on = NULL
+ };
+ healthd_board_init(&healthd_config);
- redirect_stdio(TEMPORARY_LOG_FILE);
+ android::BatteryMonitor monitor;
+ monitor.init(&healthd_config);
+
+ int wait_second = 0;
+ while (true) {
+ int charge_status = monitor.getChargeStatus();
+ // Treat unknown status as charged.
+ bool charged = (charge_status != android::BATTERY_STATUS_DISCHARGING &&
+ charge_status != android::BATTERY_STATUS_NOT_CHARGING);
+ android::BatteryProperty capacity;
+ android::status_t status = monitor.getProperty(android::BATTERY_PROP_CAPACITY, &capacity);
+ ui_print("charge_status %d, charged %d, status %d, capacity %lld\n", charge_status,
+ charged, status, capacity.valueInt64);
+ // At startup, the battery drivers in devices like N5X/N6P take some time to load
+ // the battery profile. Before the load finishes, it reports value 50 as a fake
+ // capacity. BATTERY_READ_TIMEOUT_IN_SEC is set that the battery drivers are expected
+ // to finish loading the battery profile earlier than 10 seconds after kernel startup.
+ if (status == 0 && capacity.valueInt64 == 50) {
+ if (wait_second < BATTERY_READ_TIMEOUT_IN_SEC) {
+ sleep(1);
+ wait_second++;
+ continue;
+ }
+ }
+ // If we can't read battery percentage, it may be a device without battery. In this
+ // situation, use 100 as a fake battery percentage.
+ if (status != 0) {
+ capacity.valueInt64 = 100;
+ }
+ return (charged && capacity.valueInt64 >= BATTERY_WITH_CHARGER_OK_PERCENTAGE) ||
+ (!charged && capacity.valueInt64 >= BATTERY_OK_PERCENTAGE);
+ }
+}
+
+static void set_retry_bootloader_message(int retry_count, int argc, char** argv) {
+ struct bootloader_message boot {};
+ strlcpy(boot.command, "boot-recovery", sizeof(boot.command));
+ strlcpy(boot.recovery, "recovery\n", sizeof(boot.recovery));
+
+ for (int i = 1; i < argc; ++i) {
+ if (strstr(argv[i], "retry_count") == nullptr) {
+ strlcat(boot.recovery, argv[i], sizeof(boot.recovery));
+ strlcat(boot.recovery, "\n", sizeof(boot.recovery));
+ }
+ }
+
+ // Initialize counter to 1 if it's not in BCB, otherwise increment it by 1.
+ if (retry_count == 0) {
+ strlcat(boot.recovery, "--retry_count=1\n", sizeof(boot.recovery));
+ } else {
+ char buffer[20];
+ snprintf(buffer, sizeof(buffer), "--retry_count=%d\n", retry_count+1);
+ strlcat(boot.recovery, buffer, sizeof(boot.recovery));
+ }
+ set_bootloader_message(&boot);
+}
+
+static ssize_t logbasename(
+ log_id_t /* logId */,
+ char /* prio */,
+ const char *filename,
+ const char * /* buf */, size_t len,
+ void *arg) {
+ if (strstr(LAST_KMSG_FILE, filename) ||
+ strstr(LAST_LOG_FILE, filename)) {
+ bool *doRotate = reinterpret_cast<bool *>(arg);
+ *doRotate = true;
+ }
+ return len;
+}
+
+static ssize_t logrotate(
+ log_id_t logId,
+ char prio,
+ const char *filename,
+ const char *buf, size_t len,
+ void *arg) {
+ bool *doRotate = reinterpret_cast<bool *>(arg);
+ if (!*doRotate) {
+ return __android_log_pmsg_file_write(logId, prio, filename, buf, len);
+ }
+
+ std::string name(filename);
+ size_t dot = name.find_last_of(".");
+ std::string sub = name.substr(0, dot);
+
+ if (!strstr(LAST_KMSG_FILE, sub.c_str()) &&
+ !strstr(LAST_LOG_FILE, sub.c_str())) {
+ return __android_log_pmsg_file_write(logId, prio, filename, buf, len);
+ }
+
+ // filename rotation
+ if (dot == std::string::npos) {
+ name += ".1";
+ } else {
+ std::string number = name.substr(dot + 1);
+ if (!isdigit(number.data()[0])) {
+ name += ".1";
+ } else {
+ unsigned long long i = std::stoull(number);
+ name = sub + "." + std::to_string(i + 1);
+ }
+ }
+
+ return __android_log_pmsg_file_write(logId, prio, name.c_str(), buf, len);
+}
+
+int main(int argc, char **argv) {
+ // Take last pmsg contents and rewrite it to the current pmsg session.
+ static const char filter[] = "recovery/";
+ // Do we need to rotate?
+ bool doRotate = false;
+ __android_log_pmsg_file_read(
+ LOG_ID_SYSTEM, ANDROID_LOG_INFO, filter,
+ logbasename, &doRotate);
+ // Take action to refresh pmsg contents
+ __android_log_pmsg_file_read(
+ LOG_ID_SYSTEM, ANDROID_LOG_INFO, filter,
+ logrotate, &doRotate);
// If this binary is started with the single argument "--adbd",
// instead of being the normal recovery binary, it turns into kind
@@ -917,13 +1319,21 @@
// only way recovery should be run with this argument is when it
// starts a copy of itself from the apply_from_adb() function.
if (argc == 2 && strcmp(argv[1], "--adbd") == 0) {
- adb_main(0, DEFAULT_ADB_PORT);
+ adb_server_main(0, DEFAULT_ADB_PORT, -1);
return 0;
}
+ time_t start = time(NULL);
+
+ // redirect_stdio should be called only in non-sideload mode. Otherwise
+ // we may have two logger instances with different timestamps.
+ redirect_stdio(TEMPORARY_LOG_FILE);
+
printf("Starting recovery (pid %d) on %s", getpid(), ctime(&start));
load_volume_table();
+ has_cache = volume_for_path(CACHE_ROOT) != nullptr;
+
get_args(&argc, &argv);
const char *send_intent = NULL;
@@ -935,11 +1345,14 @@
bool sideload_auto_reboot = false;
bool just_exit = false;
bool shutdown_after = false;
+ int retry_count = 0;
+ bool security_update = false;
int arg;
while ((arg = getopt_long(argc, argv, "", OPTIONS, NULL)) != -1) {
switch (arg) {
case 'i': send_intent = optarg; break;
+ case 'n': android::base::ParseInt(optarg, &retry_count, 0); break;
case 'u': update_package = optarg; break;
case 'w': should_wipe_data = true; break;
case 'c': should_wipe_cache = true; break;
@@ -958,13 +1371,14 @@
}
case 'p': shutdown_after = true; break;
case 'r': reason = optarg; break;
+ case 'e': security_update = true; break;
case '?':
LOGE("Invalid command argument\n");
continue;
}
}
- if (locale == NULL) {
+ if (locale == nullptr && has_cache) {
load_locale_from_cache();
}
printf("locale is [%s]\n", locale);
@@ -977,6 +1391,9 @@
ui->SetLocale(locale);
ui->Init();
+ // Set background string to "installing security update" for security update,
+ // otherwise set it to "installing system update".
+ ui->SetSystemUpdateText(security_update);
int st_cur, st_max;
if (stage != NULL && sscanf(stage, "%d/%d", &st_cur, &st_max) == 2) {
@@ -1011,11 +1428,15 @@
if (strncmp(update_package, "CACHE:", 6) == 0) {
int len = strlen(update_package) + 10;
char* modified_path = (char*)malloc(len);
- strlcpy(modified_path, "/cache/", len);
- strlcat(modified_path, update_package+6, len);
- printf("(replacing path \"%s\" with \"%s\")\n",
- update_package, modified_path);
- update_package = modified_path;
+ if (modified_path) {
+ strlcpy(modified_path, "/cache/", len);
+ strlcat(modified_path, update_package+6, len);
+ printf("(replacing path \"%s\" with \"%s\")\n",
+ update_package, modified_path);
+ update_package = modified_path;
+ }
+ else
+ printf("modified_path allocation failed\n");
}
}
printf("\n");
@@ -1028,18 +1449,57 @@
int status = INSTALL_SUCCESS;
if (update_package != NULL) {
- status = install_package(update_package, &should_wipe_cache, TEMPORARY_INSTALL_FILE, true);
- if (status == INSTALL_SUCCESS && should_wipe_cache) {
- wipe_cache(false, device);
- }
- if (status != INSTALL_SUCCESS) {
- ui->Print("Installation aborted.\n");
+ // It's not entirely true that we will modify the flash. But we want
+ // to log the update attempt since update_package is non-NULL.
+ modified_flash = true;
- // If this is an eng or userdebug build, then automatically
- // turn the text display on if the script fails so the error
- // message is visible.
- if (is_ro_debuggable()) {
- ui->ShowText(true);
+ if (!is_battery_ok()) {
+ ui->Print("battery capacity is not enough for installing package, needed is %d%%\n",
+ BATTERY_OK_PERCENTAGE);
+ // Log the error code to last_install when installation skips due to
+ // low battery.
+ FILE* install_log = fopen_path(LAST_INSTALL_FILE, "w");
+ if (install_log != nullptr) {
+ fprintf(install_log, "%s\n", update_package);
+ fprintf(install_log, "0\n");
+ fprintf(install_log, "error: %d\n", kLowBattery);
+ fclose(install_log);
+ } else {
+ LOGE("failed to open last_install: %s\n", strerror(errno));
+ }
+ status = INSTALL_SKIPPED;
+ } else {
+ status = install_package(update_package, &should_wipe_cache,
+ TEMPORARY_INSTALL_FILE, true, retry_count);
+ if (status == INSTALL_SUCCESS && should_wipe_cache) {
+ wipe_cache(false, device);
+ }
+ if (status != INSTALL_SUCCESS) {
+ ui->Print("Installation aborted.\n");
+ // When I/O error happens, reboot and retry installation EIO_RETRY_COUNT
+ // times before we abandon this OTA update.
+ if (status == INSTALL_RETRY && retry_count < EIO_RETRY_COUNT) {
+ copy_logs();
+ set_retry_bootloader_message(retry_count, argc, argv);
+ // Print retry count on screen.
+ ui->Print("Retry attempt %d\n", retry_count);
+
+ // Reboot and retry the update
+ int ret = property_set(ANDROID_RB_PROPERTY, "reboot,recovery");
+ if (ret < 0) {
+ ui->Print("Reboot failed\n");
+ } else {
+ while (true) {
+ pause();
+ }
+ }
+ }
+ // If this is an eng or userdebug build, then automatically
+ // turn the text display on if the script fails so the error
+ // message is visible.
+ if (is_ro_debuggable()) {
+ ui->ShowText(true);
+ }
}
}
} else if (should_wipe_data) {
@@ -1088,7 +1548,8 @@
}
Device::BuiltinAction after = shutdown_after ? Device::SHUTDOWN : Device::REBOOT;
- if ((status != INSTALL_SUCCESS && !sideload_auto_reboot) || ui->IsTextVisible()) {
+ if ((status != INSTALL_SUCCESS && status != INSTALL_SKIPPED && !sideload_auto_reboot) ||
+ ui->IsTextVisible()) {
Device::BuiltinAction temp = prompt_and_wait(device, status);
if (temp != Device::NO_ACTION) {
after = temp;
@@ -1114,6 +1575,9 @@
property_set(ANDROID_RB_PROPERTY, "reboot,");
break;
}
- sleep(5); // should reboot before this finishes
+ while (true) {
+ pause();
+ }
+ // Should be unreachable.
return EXIT_SUCCESS;
}
diff --git a/res-560dpi b/res-560dpi
new file mode 120000
index 0000000..1db3a2e
--- /dev/null
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@@ -0,0 +1 @@
+res-xxxhdpi
\ No newline at end of file
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diff --git a/res-xxxhdpi/images/loop00077.png b/res-xxxhdpi/images/loop00077.png
new file mode 100644
index 0000000..c809383
--- /dev/null
+++ b/res-xxxhdpi/images/loop00077.png
Binary files differ
diff --git a/res-xxxhdpi/images/loop00078.png b/res-xxxhdpi/images/loop00078.png
new file mode 100644
index 0000000..827a75c
--- /dev/null
+++ b/res-xxxhdpi/images/loop00078.png
Binary files differ
diff --git a/res-xxxhdpi/images/loop00079.png b/res-xxxhdpi/images/loop00079.png
new file mode 100644
index 0000000..18dc1cf
--- /dev/null
+++ b/res-xxxhdpi/images/loop00079.png
Binary files differ
diff --git a/res-xxxhdpi/images/loop00080.png b/res-xxxhdpi/images/loop00080.png
new file mode 100644
index 0000000..df06b56
--- /dev/null
+++ b/res-xxxhdpi/images/loop00080.png
Binary files differ
diff --git a/res-xxxhdpi/images/loop00081.png b/res-xxxhdpi/images/loop00081.png
new file mode 100644
index 0000000..a5ba603
--- /dev/null
+++ b/res-xxxhdpi/images/loop00081.png
Binary files differ
diff --git a/res-xxxhdpi/images/loop00082.png b/res-xxxhdpi/images/loop00082.png
new file mode 100644
index 0000000..e3298c5
--- /dev/null
+++ b/res-xxxhdpi/images/loop00082.png
Binary files differ
diff --git a/res-xxxhdpi/images/loop00083.png b/res-xxxhdpi/images/loop00083.png
new file mode 100644
index 0000000..c395662
--- /dev/null
+++ b/res-xxxhdpi/images/loop00083.png
Binary files differ
diff --git a/res-xxxhdpi/images/loop00084.png b/res-xxxhdpi/images/loop00084.png
new file mode 100644
index 0000000..f80af8e
--- /dev/null
+++ b/res-xxxhdpi/images/loop00084.png
Binary files differ
diff --git a/res-xxxhdpi/images/loop00085.png b/res-xxxhdpi/images/loop00085.png
new file mode 100644
index 0000000..c896758
--- /dev/null
+++ b/res-xxxhdpi/images/loop00085.png
Binary files differ
diff --git a/res-xxxhdpi/images/loop00086.png b/res-xxxhdpi/images/loop00086.png
new file mode 100644
index 0000000..9771692
--- /dev/null
+++ b/res-xxxhdpi/images/loop00086.png
Binary files differ
diff --git a/res-xxxhdpi/images/loop00087.png b/res-xxxhdpi/images/loop00087.png
new file mode 100644
index 0000000..e805dfa
--- /dev/null
+++ b/res-xxxhdpi/images/loop00087.png
Binary files differ
diff --git a/res-xxxhdpi/images/loop00088.png b/res-xxxhdpi/images/loop00088.png
new file mode 100644
index 0000000..aa1a88e
--- /dev/null
+++ b/res-xxxhdpi/images/loop00088.png
Binary files differ
diff --git a/res-xxxhdpi/images/loop00089.png b/res-xxxhdpi/images/loop00089.png
new file mode 100644
index 0000000..5bf7781
--- /dev/null
+++ b/res-xxxhdpi/images/loop00089.png
Binary files differ
diff --git a/res-xxxhdpi/images/loop00090.png b/res-xxxhdpi/images/loop00090.png
new file mode 100644
index 0000000..1bc9db5
--- /dev/null
+++ b/res-xxxhdpi/images/loop00090.png
Binary files differ
diff --git a/res-xxxhdpi/images/no_command_text.png b/res-xxxhdpi/images/no_command_text.png
index 6354e6a..b6eb964 100644
--- a/res-xxxhdpi/images/no_command_text.png
+++ b/res-xxxhdpi/images/no_command_text.png
Binary files differ
diff --git a/res-xxxhdpi/images/progress_empty.png b/res-xxxhdpi/images/progress_empty.png
index 7258183..96c4bf6 100644
--- a/res-xxxhdpi/images/progress_empty.png
+++ b/res-xxxhdpi/images/progress_empty.png
Binary files differ
diff --git a/res-xxxhdpi/images/progress_fill.png b/res-xxxhdpi/images/progress_fill.png
index becf87b..1717be8 100644
--- a/res-xxxhdpi/images/progress_fill.png
+++ b/res-xxxhdpi/images/progress_fill.png
Binary files differ
diff --git a/roots.cpp b/roots.cpp
index 2bd457e..f361cb8 100644
--- a/roots.cpp
+++ b/roots.cpp
@@ -30,10 +30,8 @@
#include "roots.h"
#include "common.h"
#include "make_ext4fs.h"
-extern "C" {
#include "wipe.h"
#include "cryptfs.h"
-}
static struct fstab *fstab = NULL;
@@ -72,7 +70,8 @@
return fs_mgr_get_entry_for_mount_point(fstab, path);
}
-int ensure_path_mounted(const char* path) {
+// Mount the volume specified by path at the given mount_point.
+int ensure_path_mounted_at(const char* path, const char* mount_point) {
Volume* v = volume_for_path(path);
if (v == NULL) {
LOGE("unknown volume for path [%s]\n", path);
@@ -90,14 +89,18 @@
return -1;
}
+ if (!mount_point) {
+ mount_point = v->mount_point;
+ }
+
const MountedVolume* mv =
- find_mounted_volume_by_mount_point(v->mount_point);
+ find_mounted_volume_by_mount_point(mount_point);
if (mv) {
// volume is already mounted
return 0;
}
- mkdir(v->mount_point, 0755); // in case it doesn't already exist
+ mkdir(mount_point, 0755); // in case it doesn't already exist
if (strcmp(v->fs_type, "yaffs2") == 0) {
// mount an MTD partition as a YAFFS2 filesystem.
@@ -106,25 +109,30 @@
partition = mtd_find_partition_by_name(v->blk_device);
if (partition == NULL) {
LOGE("failed to find \"%s\" partition to mount at \"%s\"\n",
- v->blk_device, v->mount_point);
+ v->blk_device, mount_point);
return -1;
}
- return mtd_mount_partition(partition, v->mount_point, v->fs_type, 0);
+ return mtd_mount_partition(partition, mount_point, v->fs_type, 0);
} else if (strcmp(v->fs_type, "ext4") == 0 ||
strcmp(v->fs_type, "squashfs") == 0 ||
strcmp(v->fs_type, "vfat") == 0) {
- result = mount(v->blk_device, v->mount_point, v->fs_type,
+ result = mount(v->blk_device, mount_point, v->fs_type,
v->flags, v->fs_options);
if (result == 0) return 0;
- LOGE("failed to mount %s (%s)\n", v->mount_point, strerror(errno));
+ LOGE("failed to mount %s (%s)\n", mount_point, strerror(errno));
return -1;
}
- LOGE("unknown fs_type \"%s\" for %s\n", v->fs_type, v->mount_point);
+ LOGE("unknown fs_type \"%s\" for %s\n", v->fs_type, mount_point);
return -1;
}
+int ensure_path_mounted(const char* path) {
+ // Mount at the default mount point.
+ return ensure_path_mounted_at(path, nullptr);
+}
+
int ensure_path_unmounted(const char* path) {
Volume* v = volume_for_path(path);
if (v == NULL) {
@@ -167,7 +175,7 @@
return WEXITSTATUS(status);
}
-int format_volume(const char* volume) {
+int format_volume(const char* volume, const char* directory) {
Volume* v = volume_for_path(volume);
if (v == NULL) {
LOGE("unknown volume \"%s\"\n", volume);
@@ -233,7 +241,7 @@
}
int result;
if (strcmp(v->fs_type, "ext4") == 0) {
- result = make_ext4fs(v->blk_device, length, volume, sehandle);
+ result = make_ext4fs_directory(v->blk_device, length, volume, sehandle, directory);
} else { /* Has to be f2fs because we checked earlier. */
if (v->key_loc != NULL && strcmp(v->key_loc, "footer") == 0 && length < 0) {
LOGE("format_volume: crypt footer + negative length (%zd) not supported on %s\n", length, v->fs_type);
@@ -265,6 +273,10 @@
return -1;
}
+int format_volume(const char* volume) {
+ return format_volume(volume, NULL);
+}
+
int setup_install_mounts() {
if (fstab == NULL) {
LOGE("can't set up install mounts: no fstab loaded\n");
diff --git a/roots.h b/roots.h
index 230d9de..a14b7d9 100644
--- a/roots.h
+++ b/roots.h
@@ -19,10 +19,6 @@
#include "common.h"
-#ifdef __cplusplus
-extern "C" {
-#endif
-
// Load and parse volume data from /etc/recovery.fstab.
void load_volume_table();
@@ -33,7 +29,10 @@
// success (volume is mounted).
int ensure_path_mounted(const char* path);
-// Make sure that the volume 'path' is on is mounted. Returns 0 on
+// Similar to ensure_path_mounted, but allows one to specify the mount_point.
+int ensure_path_mounted_at(const char* path, const char* mount_point);
+
+// Make sure that the volume 'path' is on is unmounted. Returns 0 on
// success (volume is unmounted);
int ensure_path_unmounted(const char* path);
@@ -42,12 +41,14 @@
// it is mounted.
int format_volume(const char* volume);
+// Reformat the given volume (must be the mount point only, eg
+// "/cache"), no paths permitted. Attempts to unmount the volume if
+// it is mounted.
+// Copies 'directory' to root of the newly formatted volume
+int format_volume(const char* volume, const char* directory);
+
// Ensure that all and only the volumes that packages expect to find
// mounted (/tmp and /cache) are mounted. Returns 0 on success.
int setup_install_mounts();
-#ifdef __cplusplus
-}
-#endif
-
#endif // RECOVERY_ROOTS_H_
diff --git a/screen_ui.cpp b/screen_ui.cpp
index ff95915..85f789f 100644
--- a/screen_ui.cpp
+++ b/screen_ui.cpp
@@ -14,6 +14,7 @@
* limitations under the License.
*/
+#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <linux/input.h>
@@ -30,16 +31,17 @@
#include <vector>
-#include "base/strings.h"
-#include "cutils/properties.h"
+#include <android-base/strings.h>
+#include <android-base/stringprintf.h>
+#include <cutils/properties.h>
+
#include "common.h"
#include "device.h"
#include "minui/minui.h"
#include "screen_ui.h"
#include "ui.h"
-static int char_width;
-static int char_height;
+#define TEXT_INDENT 4
// Return the current time as a double (including fractions of a second).
static double now() {
@@ -50,9 +52,9 @@
ScreenRecoveryUI::ScreenRecoveryUI() :
currentIcon(NONE),
- installingFrame(0),
locale(nullptr),
- rtl_locale(false),
+ intro_done(false),
+ current_frame(0),
progressBarType(EMPTY),
progressScopeStart(0),
progressScopeSize(0),
@@ -71,83 +73,114 @@
menu_items(0),
menu_sel(0),
file_viewer_text_(nullptr),
- animation_fps(20),
- installing_frames(-1),
+ intro_frames(0),
+ loop_frames(0),
+ animation_fps(30), // TODO: there's currently no way to infer this.
stage(-1),
- max_stage(-1) {
+ max_stage(-1),
+ updateMutex(PTHREAD_MUTEX_INITIALIZER),
+ rtl_locale(false) {
+}
- for (int i = 0; i < 5; i++) {
- backgroundIcon[i] = nullptr;
+GRSurface* ScreenRecoveryUI::GetCurrentFrame() {
+ if (currentIcon == INSTALLING_UPDATE || currentIcon == ERASING) {
+ return intro_done ? loopFrames[current_frame] : introFrames[current_frame];
}
- pthread_mutex_init(&updateMutex, nullptr);
+ return error_icon;
+}
+
+GRSurface* ScreenRecoveryUI::GetCurrentText() {
+ switch (currentIcon) {
+ case ERASING: return erasing_text;
+ case ERROR: return error_text;
+ case INSTALLING_UPDATE: return installing_text;
+ case NO_COMMAND: return no_command_text;
+ case NONE: abort();
+ }
+}
+
+int ScreenRecoveryUI::PixelsFromDp(int dp) {
+ return dp * density_;
+}
+
+// Here's the intended layout:
+
+// | regular large
+// ---------+--------------------
+// | 220dp 366dp
+// icon | (200dp) (200dp)
+// | 68dp 68dp
+// text | (14sp) (14sp)
+// | 32dp 32dp
+// progress | (2dp) (2dp)
+// | 194dp 340dp
+
+// Note that "baseline" is actually the *top* of each icon (because that's how our drawing
+// routines work), so that's the more useful measurement for calling code.
+
+int ScreenRecoveryUI::GetAnimationBaseline() {
+ return GetTextBaseline() - PixelsFromDp(68) - gr_get_height(loopFrames[0]);
+}
+
+int ScreenRecoveryUI::GetTextBaseline() {
+ return GetProgressBaseline() - PixelsFromDp(32) - gr_get_height(installing_text);
+}
+
+int ScreenRecoveryUI::GetProgressBaseline() {
+ return gr_fb_height() - PixelsFromDp(is_large_ ? 340 : 194) - gr_get_height(progressBarFill);
}
// Clear the screen and draw the currently selected background icon (if any).
// Should only be called with updateMutex locked.
-void ScreenRecoveryUI::draw_background_locked(Icon icon) {
+void ScreenRecoveryUI::draw_background_locked() {
pagesIdentical = false;
gr_color(0, 0, 0, 255);
gr_clear();
- if (icon) {
- GRSurface* surface = backgroundIcon[icon];
- if (icon == INSTALLING_UPDATE || icon == ERASING) {
- surface = installation[installingFrame];
- }
- GRSurface* text_surface = backgroundText[icon];
-
- int iconWidth = gr_get_width(surface);
- int iconHeight = gr_get_height(surface);
- int textWidth = gr_get_width(text_surface);
- int textHeight = gr_get_height(text_surface);
- int stageHeight = gr_get_height(stageMarkerEmpty);
-
- int sh = (max_stage >= 0) ? stageHeight : 0;
-
- iconX = (gr_fb_width() - iconWidth) / 2;
- iconY = (gr_fb_height() - (iconHeight+textHeight+40+sh)) / 2;
-
- int textX = (gr_fb_width() - textWidth) / 2;
- int textY = ((gr_fb_height() - (iconHeight+textHeight+40+sh)) / 2) + iconHeight + 40;
-
- gr_blit(surface, 0, 0, iconWidth, iconHeight, iconX, iconY);
- if (stageHeight > 0) {
- int sw = gr_get_width(stageMarkerEmpty);
+ if (currentIcon != NONE) {
+ if (max_stage != -1) {
+ int stage_height = gr_get_height(stageMarkerEmpty);
+ int stage_width = gr_get_width(stageMarkerEmpty);
int x = (gr_fb_width() - max_stage * gr_get_width(stageMarkerEmpty)) / 2;
- int y = iconY + iconHeight + 20;
+ int y = gr_fb_height() - stage_height;
for (int i = 0; i < max_stage; ++i) {
- gr_blit((i < stage) ? stageMarkerFill : stageMarkerEmpty,
- 0, 0, sw, stageHeight, x, y);
- x += sw;
+ GRSurface* stage_surface = (i < stage) ? stageMarkerFill : stageMarkerEmpty;
+ gr_blit(stage_surface, 0, 0, stage_width, stage_height, x, y);
+ x += stage_width;
}
}
+ GRSurface* text_surface = GetCurrentText();
+ int text_x = (gr_fb_width() - gr_get_width(text_surface)) / 2;
+ int text_y = GetTextBaseline();
gr_color(255, 255, 255, 255);
- gr_texticon(textX, textY, text_surface);
+ gr_texticon(text_x, text_y, text_surface);
}
}
-// Draw the progress bar (if any) on the screen. Does not flip pages.
+// Draws the animation and progress bar (if any) on the screen.
+// Does not flip pages.
// Should only be called with updateMutex locked.
-void ScreenRecoveryUI::draw_progress_locked() {
- if (currentIcon == ERROR) return;
-
- if (currentIcon == INSTALLING_UPDATE || currentIcon == ERASING) {
- GRSurface* icon = installation[installingFrame];
- gr_blit(icon, 0, 0, gr_get_width(icon), gr_get_height(icon), iconX, iconY);
+void ScreenRecoveryUI::draw_foreground_locked() {
+ if (currentIcon != NONE) {
+ GRSurface* frame = GetCurrentFrame();
+ int frame_width = gr_get_width(frame);
+ int frame_height = gr_get_height(frame);
+ int frame_x = (gr_fb_width() - frame_width) / 2;
+ int frame_y = GetAnimationBaseline();
+ gr_blit(frame, 0, 0, frame_width, frame_height, frame_x, frame_y);
}
if (progressBarType != EMPTY) {
- int iconHeight = gr_get_height(backgroundIcon[INSTALLING_UPDATE]);
int width = gr_get_width(progressBarEmpty);
int height = gr_get_height(progressBarEmpty);
- int dx = (gr_fb_width() - width)/2;
- int dy = (3*gr_fb_height() + iconHeight - 2*height)/4;
+ int progress_x = (gr_fb_width() - width)/2;
+ int progress_y = GetProgressBaseline();
// Erase behind the progress bar (in case this was a progress-only update)
gr_color(0, 0, 0, 255);
- gr_fill(dx, dy, width, height);
+ gr_fill(progress_x, progress_y, width, height);
if (progressBarType == DETERMINATE) {
float p = progressScopeStart + progress * progressScopeSize;
@@ -156,18 +189,20 @@
if (rtl_locale) {
// Fill the progress bar from right to left.
if (pos > 0) {
- gr_blit(progressBarFill, width-pos, 0, pos, height, dx+width-pos, dy);
+ gr_blit(progressBarFill, width-pos, 0, pos, height,
+ progress_x+width-pos, progress_y);
}
if (pos < width-1) {
- gr_blit(progressBarEmpty, 0, 0, width-pos, height, dx, dy);
+ gr_blit(progressBarEmpty, 0, 0, width-pos, height, progress_x, progress_y);
}
} else {
// Fill the progress bar from left to right.
if (pos > 0) {
- gr_blit(progressBarFill, 0, 0, pos, height, dx, dy);
+ gr_blit(progressBarFill, 0, 0, pos, height, progress_x, progress_y);
}
if (pos < width-1) {
- gr_blit(progressBarEmpty, pos, 0, width-pos, height, dx+pos, dy);
+ gr_blit(progressBarEmpty, pos, 0, width-pos, height,
+ progress_x+pos, progress_y);
}
}
}
@@ -211,14 +246,14 @@
*y += 4;
}
-void ScreenRecoveryUI::DrawTextLine(int* y, const char* line, bool bold) {
- gr_text(4, *y, line, bold);
- *y += char_height + 4;
+void ScreenRecoveryUI::DrawTextLine(int x, int* y, const char* line, bool bold) {
+ gr_text(x, *y, line, bold);
+ *y += char_height_ + 4;
}
-void ScreenRecoveryUI::DrawTextLines(int* y, const char* const* lines) {
+void ScreenRecoveryUI::DrawTextLines(int x, int* y, const char* const* lines) {
for (size_t i = 0; lines != nullptr && lines[i] != nullptr; ++i) {
- DrawTextLine(y, lines[i], false);
+ DrawTextLine(x, y, lines[i], false);
}
}
@@ -237,8 +272,8 @@
// Should only be called with updateMutex locked.
void ScreenRecoveryUI::draw_screen_locked() {
if (!show_text) {
- draw_background_locked(currentIcon);
- draw_progress_locked();
+ draw_background_locked();
+ draw_foreground_locked();
} else {
gr_color(0, 0, 0, 255);
gr_clear();
@@ -249,14 +284,14 @@
property_get("ro.bootimage.build.fingerprint", recovery_fingerprint, "");
SetColor(INFO);
- DrawTextLine(&y, "Android Recovery", true);
+ DrawTextLine(TEXT_INDENT, &y, "Android Recovery", true);
for (auto& chunk : android::base::Split(recovery_fingerprint, ":")) {
- DrawTextLine(&y, chunk.c_str(), false);
+ DrawTextLine(TEXT_INDENT, &y, chunk.c_str(), false);
}
- DrawTextLines(&y, HasThreeButtons() ? REGULAR_HELP : LONG_PRESS_HELP);
+ DrawTextLines(TEXT_INDENT, &y, HasThreeButtons() ? REGULAR_HELP : LONG_PRESS_HELP);
SetColor(HEADER);
- DrawTextLines(&y, menu_headers_);
+ DrawTextLines(TEXT_INDENT, &y, menu_headers_);
SetColor(MENU);
DrawHorizontalRule(&y);
@@ -265,7 +300,7 @@
if (i == menu_sel) {
// Draw the highlight bar.
SetColor(IsLongPress() ? MENU_SEL_BG_ACTIVE : MENU_SEL_BG);
- gr_fill(0, y - 2, gr_fb_width(), y + char_height + 2);
+ gr_fill(0, y - 2, gr_fb_width(), y + char_height_ + 2);
// Bold white text for the selected item.
SetColor(MENU_SEL_FG);
gr_text(4, y, menu_[i], true);
@@ -273,7 +308,7 @@
} else {
gr_text(4, y, menu_[i], false);
}
- y += char_height + 4;
+ y += char_height_ + 4;
}
DrawHorizontalRule(&y);
}
@@ -284,9 +319,9 @@
SetColor(LOG);
int row = (text_top_ + text_rows_ - 1) % text_rows_;
size_t count = 0;
- for (int ty = gr_fb_height() - char_height;
+ for (int ty = gr_fb_height() - char_height_;
ty >= y && count < text_rows_;
- ty -= char_height, ++count) {
+ ty -= char_height_, ++count) {
gr_text(0, ty, text_[row], false);
--row;
if (row < 0) row = text_rows_ - 1;
@@ -308,7 +343,7 @@
draw_screen_locked(); // Must redraw the whole screen
pagesIdentical = true;
} else {
- draw_progress_locked(); // Draw only the progress bar and overlays
+ draw_foreground_locked(); // Draw only the progress bar and overlays
}
gr_flip();
}
@@ -325,14 +360,23 @@
double start = now();
pthread_mutex_lock(&updateMutex);
- int redraw = 0;
+ bool redraw = false;
// update the installation animation, if active
// skip this if we have a text overlay (too expensive to update)
- if ((currentIcon == INSTALLING_UPDATE || currentIcon == ERASING) &&
- installing_frames > 0 && !show_text) {
- installingFrame = (installingFrame + 1) % installing_frames;
- redraw = 1;
+ if ((currentIcon == INSTALLING_UPDATE || currentIcon == ERASING) && !show_text) {
+ if (!intro_done) {
+ if (current_frame == intro_frames - 1) {
+ intro_done = true;
+ current_frame = 0;
+ } else {
+ ++current_frame;
+ }
+ } else {
+ current_frame = (current_frame + 1) % loop_frames;
+ }
+
+ redraw = true;
}
// move the progress bar forward on timed intervals, if configured
@@ -343,7 +387,7 @@
if (p > 1.0) p = 1.0;
if (p > progress) {
progress = p;
- redraw = 1;
+ redraw = true;
}
}
@@ -361,21 +405,14 @@
void ScreenRecoveryUI::LoadBitmap(const char* filename, GRSurface** surface) {
int result = res_create_display_surface(filename, surface);
if (result < 0) {
- LOGE("missing bitmap %s\n(Code %d)\n", filename, result);
- }
-}
-
-void ScreenRecoveryUI::LoadBitmapArray(const char* filename, int* frames, GRSurface*** surface) {
- int result = res_create_multi_display_surface(filename, frames, surface);
- if (result < 0) {
- LOGE("missing bitmap %s\n(Code %d)\n", filename, result);
+ LOGE("couldn't load bitmap %s (error %d)\n", filename, result);
}
}
void ScreenRecoveryUI::LoadLocalizedBitmap(const char* filename, GRSurface** surface) {
int result = res_create_localized_alpha_surface(filename, locale, surface);
if (result < 0) {
- LOGE("missing bitmap %s\n(Code %d)\n", filename, result);
+ LOGE("couldn't load bitmap %s (error %d)\n", filename, result);
}
}
@@ -388,12 +425,25 @@
return result;
}
+// Choose the right background string to display during update.
+void ScreenRecoveryUI::SetSystemUpdateText(bool security_update) {
+ if (security_update) {
+ LoadLocalizedBitmap("installing_security_text", &installing_text);
+ } else {
+ LoadLocalizedBitmap("installing_text", &installing_text);
+ }
+ Redraw();
+}
+
void ScreenRecoveryUI::Init() {
gr_init();
- gr_font_size(&char_width, &char_height);
- text_rows_ = gr_fb_height() / char_height;
- text_cols_ = gr_fb_width() / char_width;
+ density_ = static_cast<float>(property_get_int32("ro.sf.lcd_density", 160)) / 160.f;
+ is_large_ = gr_fb_height() > PixelsFromDp(800);
+
+ gr_font_size(&char_width_, &char_height_);
+ text_rows_ = gr_fb_height() / char_height_;
+ text_cols_ = gr_fb_width() / char_width_;
text_ = Alloc2d(text_rows_, text_cols_ + 1);
file_viewer_text_ = Alloc2d(text_rows_, text_cols_ + 1);
@@ -402,31 +452,64 @@
text_col_ = text_row_ = 0;
text_top_ = 1;
- backgroundIcon[NONE] = nullptr;
- LoadBitmapArray("icon_installing", &installing_frames, &installation);
- backgroundIcon[INSTALLING_UPDATE] = installing_frames ? installation[0] : nullptr;
- backgroundIcon[ERASING] = backgroundIcon[INSTALLING_UPDATE];
- LoadBitmap("icon_error", &backgroundIcon[ERROR]);
- backgroundIcon[NO_COMMAND] = backgroundIcon[ERROR];
+ LoadBitmap("icon_error", &error_icon);
LoadBitmap("progress_empty", &progressBarEmpty);
LoadBitmap("progress_fill", &progressBarFill);
+
LoadBitmap("stage_empty", &stageMarkerEmpty);
LoadBitmap("stage_fill", &stageMarkerFill);
- LoadLocalizedBitmap("installing_text", &backgroundText[INSTALLING_UPDATE]);
- LoadLocalizedBitmap("erasing_text", &backgroundText[ERASING]);
- LoadLocalizedBitmap("no_command_text", &backgroundText[NO_COMMAND]);
- LoadLocalizedBitmap("error_text", &backgroundText[ERROR]);
+ // Background text for "installing_update" could be "installing update"
+ // or "installing security update". It will be set after UI init according
+ // to commands in BCB.
+ installing_text = nullptr;
+ LoadLocalizedBitmap("erasing_text", &erasing_text);
+ LoadLocalizedBitmap("no_command_text", &no_command_text);
+ LoadLocalizedBitmap("error_text", &error_text);
+
+ LoadAnimation();
pthread_create(&progress_thread_, nullptr, ProgressThreadStartRoutine, this);
RecoveryUI::Init();
}
+void ScreenRecoveryUI::LoadAnimation() {
+ // How many frames of intro and loop do we have?
+ std::unique_ptr<DIR, decltype(&closedir)> dir(opendir("/res/images"), closedir);
+ dirent* de;
+ while ((de = readdir(dir.get())) != nullptr) {
+ int value;
+ if (sscanf(de->d_name, "intro%d", &value) == 1 && intro_frames < (value + 1)) {
+ intro_frames = value + 1;
+ } else if (sscanf(de->d_name, "loop%d", &value) == 1 && loop_frames < (value + 1)) {
+ loop_frames = value + 1;
+ }
+ }
+
+ // It's okay to not have an intro.
+ if (intro_frames == 0) intro_done = true;
+ // But you must have an animation.
+ if (loop_frames == 0) abort();
+
+ introFrames = new GRSurface*[intro_frames];
+ for (int i = 0; i < intro_frames; ++i) {
+ // TODO: remember the names above, so we don't have to hard-code the number of 0s.
+ LoadBitmap(android::base::StringPrintf("intro%05d", i).c_str(), &introFrames[i]);
+ }
+
+ loopFrames = new GRSurface*[loop_frames];
+ for (int i = 0; i < loop_frames; ++i) {
+ LoadBitmap(android::base::StringPrintf("loop%05d", i).c_str(), &loopFrames[i]);
+ }
+}
+
void ScreenRecoveryUI::SetLocale(const char* new_locale) {
- if (new_locale) {
- this->locale = new_locale;
+ this->locale = new_locale;
+ this->rtl_locale = false;
+
+ if (locale) {
char* lang = strdup(locale);
for (char* p = lang; *p; ++p) {
if (*p == '_') {
@@ -435,8 +518,7 @@
}
}
- // A bit cheesy: keep an explicit list of supported languages
- // that are RTL.
+ // A bit cheesy: keep an explicit list of supported RTL languages.
if (strcmp(lang, "ar") == 0 || // Arabic
strcmp(lang, "fa") == 0 || // Persian (Farsi)
strcmp(lang, "he") == 0 || // Hebrew (new language code)
@@ -445,8 +527,6 @@
rtl_locale = true;
}
free(lang);
- } else {
- new_locale = nullptr;
}
}
@@ -506,18 +586,17 @@
pthread_mutex_unlock(&updateMutex);
}
-void ScreenRecoveryUI::Print(const char *fmt, ...) {
- char buf[256];
- va_list ap;
- va_start(ap, fmt);
- vsnprintf(buf, 256, fmt, ap);
- va_end(ap);
+void ScreenRecoveryUI::PrintV(const char* fmt, bool copy_to_stdout, va_list ap) {
+ std::string str;
+ android::base::StringAppendV(&str, fmt, ap);
- fputs(buf, stdout);
+ if (copy_to_stdout) {
+ fputs(str.c_str(), stdout);
+ }
pthread_mutex_lock(&updateMutex);
if (text_rows_ > 0 && text_cols_ > 0) {
- for (const char* ptr = buf; *ptr != '\0'; ++ptr) {
+ for (const char* ptr = str.c_str(); *ptr != '\0'; ++ptr) {
if (*ptr == '\n' || text_col_ >= text_cols_) {
text_[text_row_][text_col_] = '\0';
text_col_ = 0;
@@ -532,6 +611,20 @@
pthread_mutex_unlock(&updateMutex);
}
+void ScreenRecoveryUI::Print(const char* fmt, ...) {
+ va_list ap;
+ va_start(ap, fmt);
+ PrintV(fmt, true, ap);
+ va_end(ap);
+}
+
+void ScreenRecoveryUI::PrintOnScreenOnly(const char *fmt, ...) {
+ va_list ap;
+ va_start(ap, fmt);
+ PrintV(fmt, false, ap);
+ va_end(ap);
+}
+
void ScreenRecoveryUI::PutChar(char ch) {
pthread_mutex_lock(&updateMutex);
if (ch != '\n') text_[text_row_][text_col_++] = ch;
@@ -566,7 +659,7 @@
bool show_prompt = false;
while (true) {
if (show_prompt) {
- Print("--(%d%% of %d bytes)--",
+ PrintOnScreenOnly("--(%d%% of %d bytes)--",
static_cast<int>(100 * (double(ftell(fp)) / double(sb.st_size))),
static_cast<int>(sb.st_size));
Redraw();
diff --git a/screen_ui.h b/screen_ui.h
index ea05bf1..4319b76 100644
--- a/screen_ui.h
+++ b/screen_ui.h
@@ -34,6 +34,7 @@
// overall recovery state ("background image")
void SetBackground(Icon icon);
+ void SetSystemUpdateText(bool security_update);
// progress indicator
void SetProgressType(ProgressType type);
@@ -49,6 +50,7 @@
// printing messages
void Print(const char* fmt, ...) __printflike(2, 3);
+ void PrintOnScreenOnly(const char* fmt, ...) __printflike(2, 3);
void ShowFile(const char* filename);
// menu display
@@ -66,16 +68,28 @@
};
void SetColor(UIElement e);
- private:
+ protected:
Icon currentIcon;
- int installingFrame;
- const char* locale;
- bool rtl_locale;
- pthread_mutex_t updateMutex;
- GRSurface* backgroundIcon[5];
- GRSurface* backgroundText[5];
- GRSurface** installation;
+ const char* locale;
+ bool intro_done;
+ int current_frame;
+
+ // The scale factor from dp to pixels. 1.0 for mdpi, 4.0 for xxxhdpi.
+ float density_;
+ // True if we should use the large layout.
+ bool is_large_;
+
+ GRSurface* error_icon;
+
+ GRSurface* erasing_text;
+ GRSurface* error_text;
+ GRSurface* installing_text;
+ GRSurface* no_command_text;
+
+ GRSurface** introFrames;
+ GRSurface** loopFrames;
+
GRSurface* progressBarEmpty;
GRSurface* progressBarFill;
GRSurface* stageMarkerEmpty;
@@ -108,33 +122,49 @@
pthread_t progress_thread_;
- int animation_fps;
- int installing_frames;
+ // Number of intro frames and loop frames in the animation.
+ int intro_frames;
+ int loop_frames;
- int iconX, iconY;
+ // Number of frames per sec (default: 30) for both parts of the animation.
+ int animation_fps;
int stage, max_stage;
- void draw_background_locked(Icon icon);
- void draw_progress_locked();
+ int char_width_;
+ int char_height_;
+ pthread_mutex_t updateMutex;
+ bool rtl_locale;
+
+ void draw_background_locked();
+ void draw_foreground_locked();
void draw_screen_locked();
void update_screen_locked();
void update_progress_locked();
+ GRSurface* GetCurrentFrame();
+ GRSurface* GetCurrentText();
+
static void* ProgressThreadStartRoutine(void* data);
void ProgressThreadLoop();
void ShowFile(FILE*);
+ void PrintV(const char*, bool, va_list);
void PutChar(char);
void ClearText();
- void DrawHorizontalRule(int* y);
- void DrawTextLine(int* y, const char* line, bool bold);
- void DrawTextLines(int* y, const char* const* lines);
-
+ void LoadAnimation();
void LoadBitmap(const char* filename, GRSurface** surface);
- void LoadBitmapArray(const char* filename, int* frames, GRSurface*** surface);
void LoadLocalizedBitmap(const char* filename, GRSurface** surface);
+
+ int PixelsFromDp(int dp);
+ int GetAnimationBaseline();
+ int GetProgressBaseline();
+ int GetTextBaseline();
+
+ void DrawHorizontalRule(int* y);
+ void DrawTextLine(int x, int* y, const char* line, bool bold);
+ void DrawTextLines(int x, int* y, const char* const* lines);
};
#endif // RECOVERY_UI_H
diff --git a/tests/Android.mk b/tests/Android.mk
index 02a272a..a66991b 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -16,10 +16,54 @@
LOCAL_PATH := $(call my-dir)
+# Unit tests
include $(CLEAR_VARS)
+LOCAL_CLANG := true
+LOCAL_MODULE := recovery_unit_test
LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-LOCAL_STATIC_LIBRARIES := libverifier
-LOCAL_SRC_FILES := asn1_decoder_test.cpp
-LOCAL_MODULE := asn1_decoder_test
-LOCAL_C_INCLUDES := $(LOCAL_PATH)/..
+LOCAL_STATIC_LIBRARIES := \
+ libverifier \
+ libminui
+
+LOCAL_SRC_FILES := unit/asn1_decoder_test.cpp
+LOCAL_SRC_FILES += unit/recovery_test.cpp
+LOCAL_SRC_FILES += unit/locale_test.cpp
+LOCAL_C_INCLUDES := bootable/recovery
+LOCAL_SHARED_LIBRARIES := liblog
+include $(BUILD_NATIVE_TEST)
+
+# Component tests
+include $(CLEAR_VARS)
+LOCAL_CLANG := true
+LOCAL_CFLAGS += -Wno-unused-parameter
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
+LOCAL_MODULE := recovery_component_test
+LOCAL_C_INCLUDES := bootable/recovery
+LOCAL_SRC_FILES := \
+ component/verifier_test.cpp \
+ component/applypatch_test.cpp
+LOCAL_FORCE_STATIC_EXECUTABLE := true
+LOCAL_STATIC_LIBRARIES := \
+ libapplypatch \
+ libotafault \
+ libmtdutils \
+ libbase \
+ libverifier \
+ libcrypto_static \
+ libminui \
+ libminzip \
+ libcutils \
+ libbz \
+ libz \
+ libc
+
+testdata_out_path := $(TARGET_OUT_DATA_NATIVE_TESTS)/recovery
+testdata_files := $(call find-subdir-files, testdata/*)
+
+GEN := $(addprefix $(testdata_out_path)/, $(testdata_files))
+$(GEN): PRIVATE_PATH := $(LOCAL_PATH)
+$(GEN): PRIVATE_CUSTOM_TOOL = cp $< $@
+$(GEN): $(testdata_out_path)/% : $(LOCAL_PATH)/%
+ $(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
include $(BUILD_NATIVE_TEST)
diff --git a/tests/common/test_constants.h b/tests/common/test_constants.h
new file mode 100644
index 0000000..3490f68
--- /dev/null
+++ b/tests/common/test_constants.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agree to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef _OTA_TEST_CONSTANTS_H
+#define _OTA_TEST_CONSTANTS_H
+
+#if defined(__LP64__)
+#define NATIVE_TEST_PATH "/nativetest64"
+#else
+#define NATIVE_TEST_PATH "/nativetest"
+#endif
+
+#endif
diff --git a/tests/component/applypatch_test.cpp b/tests/component/applypatch_test.cpp
new file mode 100644
index 0000000..b44ddd1
--- /dev/null
+++ b/tests/component/applypatch_test.cpp
@@ -0,0 +1,392 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agree to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <fcntl.h>
+#include <gtest/gtest.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/statvfs.h>
+#include <sys/types.h>
+#include <time.h>
+
+#include <string>
+
+#include <android-base/file.h>
+#include <android-base/stringprintf.h>
+#include <android-base/test_utils.h>
+
+#include "applypatch/applypatch.h"
+#include "common/test_constants.h"
+#include "openssl/sha.h"
+#include "print_sha1.h"
+
+static const std::string DATA_PATH = getenv("ANDROID_DATA");
+static const std::string TESTDATA_PATH = "/recovery/testdata";
+static const std::string WORK_FS = "/data";
+
+static std::string sha1sum(const std::string& fname) {
+ uint8_t digest[SHA_DIGEST_LENGTH];
+ std::string data;
+ android::base::ReadFileToString(fname, &data);
+
+ SHA1((const uint8_t*)data.c_str(), data.size(), digest);
+ return print_sha1(digest);
+}
+
+static void mangle_file(const std::string& fname) {
+ FILE* fh = fopen(&fname[0], "w");
+ int r;
+ for (int i=0; i < 1024; i++) {
+ r = rand();
+ fwrite(&r, sizeof(short), 1, fh);
+ }
+ fclose(fh);
+}
+
+static bool file_cmp(std::string& f1, std::string& f2) {
+ std::string c1;
+ std::string c2;
+ android::base::ReadFileToString(f1, &c1);
+ android::base::ReadFileToString(f2, &c2);
+ return c1 == c2;
+}
+
+static std::string from_testdata_base(const std::string fname) {
+ return android::base::StringPrintf("%s%s%s/%s",
+ &DATA_PATH[0],
+ &NATIVE_TEST_PATH[0],
+ &TESTDATA_PATH[0],
+ &fname[0]);
+}
+
+class ApplyPatchTest : public ::testing::Test {
+ public:
+ static void SetUpTestCase() {
+ // set up files
+ old_file = from_testdata_base("old.file");
+ new_file = from_testdata_base("new.file");
+ patch_file = from_testdata_base("patch.bsdiff");
+ rand_file = "/cache/applypatch_test_rand.file";
+ cache_file = "/cache/saved.file";
+
+ // write stuff to rand_file
+ android::base::WriteStringToFile("hello", rand_file);
+
+ // set up SHA constants
+ old_sha1 = sha1sum(old_file);
+ new_sha1 = sha1sum(new_file);
+ srand(time(NULL));
+ bad_sha1_a = android::base::StringPrintf("%040x", rand());
+ bad_sha1_b = android::base::StringPrintf("%040x", rand());
+
+ struct stat st;
+ stat(&new_file[0], &st);
+ new_size = st.st_size;
+ }
+
+ static std::string old_file;
+ static std::string new_file;
+ static std::string rand_file;
+ static std::string cache_file;
+ static std::string patch_file;
+
+ static std::string old_sha1;
+ static std::string new_sha1;
+ static std::string bad_sha1_a;
+ static std::string bad_sha1_b;
+
+ static size_t new_size;
+};
+
+std::string ApplyPatchTest::old_file;
+std::string ApplyPatchTest::new_file;
+
+static void cp(std::string src, std::string tgt) {
+ std::string cmd = android::base::StringPrintf("cp %s %s",
+ &src[0],
+ &tgt[0]);
+ system(&cmd[0]);
+}
+
+static void backup_old() {
+ cp(ApplyPatchTest::old_file, ApplyPatchTest::cache_file);
+}
+
+static void restore_old() {
+ cp(ApplyPatchTest::cache_file, ApplyPatchTest::old_file);
+}
+
+class ApplyPatchCacheTest : public ApplyPatchTest {
+ public:
+ virtual void SetUp() {
+ backup_old();
+ }
+
+ virtual void TearDown() {
+ restore_old();
+ }
+};
+
+class ApplyPatchFullTest : public ApplyPatchCacheTest {
+ public:
+ static void SetUpTestCase() {
+ ApplyPatchTest::SetUpTestCase();
+ unsigned long free_kb = FreeSpaceForFile(&WORK_FS[0]);
+ ASSERT_GE(free_kb * 1024, new_size * 3 / 2);
+ output_f = new TemporaryFile();
+ output_loc = std::string(output_f->path);
+
+ struct FileContents fc;
+
+ ASSERT_EQ(0, LoadFileContents(&rand_file[0], &fc));
+ Value* patch1 = new Value();
+ patch1->type = VAL_BLOB;
+ patch1->size = fc.data.size();
+ patch1->data = static_cast<char*>(malloc(fc.data.size()));
+ memcpy(patch1->data, fc.data.data(), fc.data.size());
+ patches.push_back(patch1);
+
+ ASSERT_EQ(0, LoadFileContents(&patch_file[0], &fc));
+ Value* patch2 = new Value();
+ patch2->type = VAL_BLOB;
+ patch2->size = fc.st.st_size;
+ patch2->data = static_cast<char*>(malloc(fc.data.size()));
+ memcpy(patch2->data, fc.data.data(), fc.data.size());
+ patches.push_back(patch2);
+ }
+ static void TearDownTestCase() {
+ delete output_f;
+ for (auto it = patches.begin(); it != patches.end(); ++it) {
+ free((*it)->data);
+ delete *it;
+ }
+ patches.clear();
+ }
+
+ static std::vector<Value*> patches;
+ static TemporaryFile* output_f;
+ static std::string output_loc;
+};
+
+class ApplyPatchDoubleCacheTest : public ApplyPatchFullTest {
+ public:
+ virtual void SetUp() {
+ ApplyPatchCacheTest::SetUp();
+ cp(cache_file, "/cache/reallysaved.file");
+ }
+
+ virtual void TearDown() {
+ cp("/cache/reallysaved.file", cache_file);
+ ApplyPatchCacheTest::TearDown();
+ }
+};
+
+std::string ApplyPatchTest::rand_file;
+std::string ApplyPatchTest::patch_file;
+std::string ApplyPatchTest::cache_file;
+std::string ApplyPatchTest::old_sha1;
+std::string ApplyPatchTest::new_sha1;
+std::string ApplyPatchTest::bad_sha1_a;
+std::string ApplyPatchTest::bad_sha1_b;
+
+size_t ApplyPatchTest::new_size;
+
+std::vector<Value*> ApplyPatchFullTest::patches;
+TemporaryFile* ApplyPatchFullTest::output_f;
+std::string ApplyPatchFullTest::output_loc;
+
+TEST_F(ApplyPatchTest, CheckModeSingle) {
+ char* s = &old_sha1[0];
+ ASSERT_EQ(0, applypatch_check(&old_file[0], 1, &s));
+}
+
+TEST_F(ApplyPatchTest, CheckModeMultiple) {
+ char* argv[3] = {
+ &bad_sha1_a[0],
+ &old_sha1[0],
+ &bad_sha1_b[0]
+ };
+ ASSERT_EQ(0, applypatch_check(&old_file[0], 3, argv));
+}
+
+TEST_F(ApplyPatchTest, CheckModeFailure) {
+ char* argv[2] = {
+ &bad_sha1_a[0],
+ &bad_sha1_b[0]
+ };
+ ASSERT_NE(0, applypatch_check(&old_file[0], 2, argv));
+}
+
+TEST_F(ApplyPatchCacheTest, CheckCacheCorruptedSingle) {
+ mangle_file(old_file);
+ char* s = &old_sha1[0];
+ ASSERT_EQ(0, applypatch_check(&old_file[0], 1, &s));
+}
+
+TEST_F(ApplyPatchCacheTest, CheckCacheCorruptedMultiple) {
+ mangle_file(old_file);
+ char* argv[3] = {
+ &bad_sha1_a[0],
+ &old_sha1[0],
+ &bad_sha1_b[0]
+ };
+ ASSERT_EQ(0, applypatch_check(&old_file[0], 3, argv));
+}
+
+TEST_F(ApplyPatchCacheTest, CheckCacheCorruptedFailure) {
+ mangle_file(old_file);
+ char* argv[2] = {
+ &bad_sha1_a[0],
+ &bad_sha1_b[0]
+ };
+ ASSERT_NE(0, applypatch_check(&old_file[0], 2, argv));
+}
+
+TEST_F(ApplyPatchCacheTest, CheckCacheMissingSingle) {
+ unlink(&old_file[0]);
+ char* s = &old_sha1[0];
+ ASSERT_EQ(0, applypatch_check(&old_file[0], 1, &s));
+}
+
+TEST_F(ApplyPatchCacheTest, CheckCacheMissingMultiple) {
+ unlink(&old_file[0]);
+ char* argv[3] = {
+ &bad_sha1_a[0],
+ &old_sha1[0],
+ &bad_sha1_b[0]
+ };
+ ASSERT_EQ(0, applypatch_check(&old_file[0], 3, argv));
+}
+
+TEST_F(ApplyPatchCacheTest, CheckCacheMissingFailure) {
+ unlink(&old_file[0]);
+ char* argv[2] = {
+ &bad_sha1_a[0],
+ &bad_sha1_b[0]
+ };
+ ASSERT_NE(0, applypatch_check(&old_file[0], 2, argv));
+}
+
+TEST_F(ApplyPatchFullTest, ApplyInPlace) {
+ std::vector<char*> sha1s;
+ sha1s.push_back(&bad_sha1_a[0]);
+ sha1s.push_back(&old_sha1[0]);
+
+ int ap_result = applypatch(&old_file[0],
+ "-",
+ &new_sha1[0],
+ new_size,
+ 2,
+ sha1s.data(),
+ patches.data(),
+ nullptr);
+ ASSERT_EQ(0, ap_result);
+ ASSERT_TRUE(file_cmp(old_file, new_file));
+ // reapply, applypatch is idempotent so it should succeed
+ ap_result = applypatch(&old_file[0],
+ "-",
+ &new_sha1[0],
+ new_size,
+ 2,
+ sha1s.data(),
+ patches.data(),
+ nullptr);
+ ASSERT_EQ(0, ap_result);
+ ASSERT_TRUE(file_cmp(old_file, new_file));
+}
+
+TEST_F(ApplyPatchFullTest, ApplyInNewLocation) {
+ std::vector<char*> sha1s;
+ sha1s.push_back(&bad_sha1_a[0]);
+ sha1s.push_back(&old_sha1[0]);
+ int ap_result = applypatch(&old_file[0],
+ &output_loc[0],
+ &new_sha1[0],
+ new_size,
+ 2,
+ sha1s.data(),
+ patches.data(),
+ nullptr);
+ ASSERT_EQ(0, ap_result);
+ ASSERT_TRUE(file_cmp(output_loc, new_file));
+ ap_result = applypatch(&old_file[0],
+ &output_loc[0],
+ &new_sha1[0],
+ new_size,
+ 2,
+ sha1s.data(),
+ patches.data(),
+ nullptr);
+ ASSERT_EQ(0, ap_result);
+ ASSERT_TRUE(file_cmp(output_loc, new_file));
+}
+
+TEST_F(ApplyPatchFullTest, ApplyCorruptedInNewLocation) {
+ mangle_file(old_file);
+ std::vector<char*> sha1s;
+ sha1s.push_back(&bad_sha1_a[0]);
+ sha1s.push_back(&old_sha1[0]);
+ int ap_result = applypatch(&old_file[0],
+ &output_loc[0],
+ &new_sha1[0],
+ new_size,
+ 2,
+ sha1s.data(),
+ patches.data(),
+ nullptr);
+ ASSERT_EQ(0, ap_result);
+ ASSERT_TRUE(file_cmp(output_loc, new_file));
+ ap_result = applypatch(&old_file[0],
+ &output_loc[0],
+ &new_sha1[0],
+ new_size,
+ 2,
+ sha1s.data(),
+ patches.data(),
+ nullptr);
+ ASSERT_EQ(0, ap_result);
+ ASSERT_TRUE(file_cmp(output_loc, new_file));
+}
+
+TEST_F(ApplyPatchDoubleCacheTest, ApplyDoubleCorruptedInNewLocation) {
+ mangle_file(old_file);
+ mangle_file(cache_file);
+
+ std::vector<char*> sha1s;
+ sha1s.push_back(&bad_sha1_a[0]);
+ sha1s.push_back(&old_sha1[0]);
+ int ap_result = applypatch(&old_file[0],
+ &output_loc[0],
+ &new_sha1[0],
+ new_size,
+ 2,
+ sha1s.data(),
+ patches.data(),
+ nullptr);
+ ASSERT_NE(0, ap_result);
+ ASSERT_FALSE(file_cmp(output_loc, new_file));
+ ap_result = applypatch(&old_file[0],
+ &output_loc[0],
+ &new_sha1[0],
+ new_size,
+ 2,
+ sha1s.data(),
+ patches.data(),
+ nullptr);
+ ASSERT_NE(0, ap_result);
+ ASSERT_FALSE(file_cmp(output_loc, new_file));
+}
diff --git a/tests/component/verifier_test.cpp b/tests/component/verifier_test.cpp
new file mode 100644
index 0000000..780ff28
--- /dev/null
+++ b/tests/component/verifier_test.cpp
@@ -0,0 +1,178 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agree to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <gtest/gtest.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include <openssl/sha.h>
+
+#include <android-base/stringprintf.h>
+
+#include "common.h"
+#include "common/test_constants.h"
+#include "minzip/SysUtil.h"
+#include "ui.h"
+#include "verifier.h"
+
+static const char* DATA_PATH = getenv("ANDROID_DATA");
+static const char* TESTDATA_PATH = "/recovery/testdata/";
+
+RecoveryUI* ui = NULL;
+
+class MockUI : public RecoveryUI {
+ void Init() { }
+ void SetStage(int, int) { }
+ void SetLocale(const char*) { }
+ void SetBackground(Icon icon) { }
+ void SetSystemUpdateText(bool security_update) { }
+
+ void SetProgressType(ProgressType determinate) { }
+ void ShowProgress(float portion, float seconds) { }
+ void SetProgress(float fraction) { }
+
+ void ShowText(bool visible) { }
+ bool IsTextVisible() { return false; }
+ bool WasTextEverVisible() { return false; }
+ void Print(const char* fmt, ...) {
+ va_list ap;
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+ }
+ void PrintOnScreenOnly(const char* fmt, ...) {
+ va_list ap;
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+ }
+ void ShowFile(const char*) { }
+
+ void StartMenu(const char* const * headers, const char* const * items,
+ int initial_selection) { }
+ int SelectMenu(int sel) { return 0; }
+ void EndMenu() { }
+};
+
+void
+ui_print(const char* format, ...) {
+ va_list ap;
+ va_start(ap, format);
+ vfprintf(stdout, format, ap);
+ va_end(ap);
+}
+
+class VerifierTest : public testing::TestWithParam<std::vector<std::string>> {
+ public:
+ MemMapping memmap;
+ std::vector<Certificate> certs;
+
+ virtual void SetUp() {
+ std::vector<std::string> args = GetParam();
+ std::string package =
+ android::base::StringPrintf("%s%s%s%s", DATA_PATH, NATIVE_TEST_PATH,
+ TESTDATA_PATH, args[0].c_str());
+ if (sysMapFile(package.c_str(), &memmap) != 0) {
+ FAIL() << "Failed to mmap " << package << ": " << strerror(errno)
+ << "\n";
+ }
+
+ for (auto it = ++(args.cbegin()); it != args.cend(); ++it) {
+ if (it->substr(it->length() - 3, it->length()) == "256") {
+ if (certs.empty()) {
+ FAIL() << "May only specify -sha256 after key type\n";
+ }
+ certs.back().hash_len = SHA256_DIGEST_LENGTH;
+ } else {
+ std::string public_key_file = android::base::StringPrintf(
+ "%s%s%stest_key_%s.txt", DATA_PATH, NATIVE_TEST_PATH,
+ TESTDATA_PATH, it->c_str());
+ ASSERT_TRUE(load_keys(public_key_file.c_str(), certs));
+ certs.back().hash_len = SHA_DIGEST_LENGTH;
+ }
+ }
+ if (certs.empty()) {
+ std::string public_key_file = android::base::StringPrintf(
+ "%s%s%stest_key_e3.txt", DATA_PATH, NATIVE_TEST_PATH,
+ TESTDATA_PATH);
+ ASSERT_TRUE(load_keys(public_key_file.c_str(), certs));
+ certs.back().hash_len = SHA_DIGEST_LENGTH;
+ }
+ }
+
+ static void SetUpTestCase() {
+ ui = new MockUI();
+ }
+};
+
+class VerifierSuccessTest : public VerifierTest {
+};
+
+class VerifierFailureTest : public VerifierTest {
+};
+
+TEST_P(VerifierSuccessTest, VerifySucceed) {
+ ASSERT_EQ(verify_file(memmap.addr, memmap.length, certs), VERIFY_SUCCESS);
+}
+
+TEST_P(VerifierFailureTest, VerifyFailure) {
+ ASSERT_EQ(verify_file(memmap.addr, memmap.length, certs), VERIFY_FAILURE);
+}
+
+INSTANTIATE_TEST_CASE_P(SingleKeySuccess, VerifierSuccessTest,
+ ::testing::Values(
+ std::vector<std::string>({"otasigned.zip", "e3"}),
+ std::vector<std::string>({"otasigned_f4.zip", "f4"}),
+ std::vector<std::string>({"otasigned_sha256.zip", "e3", "sha256"}),
+ std::vector<std::string>({"otasigned_f4_sha256.zip", "f4", "sha256"}),
+ std::vector<std::string>({"otasigned_ecdsa_sha256.zip", "ec", "sha256"})));
+
+INSTANTIATE_TEST_CASE_P(MultiKeySuccess, VerifierSuccessTest,
+ ::testing::Values(
+ std::vector<std::string>({"otasigned.zip", "f4", "e3"}),
+ std::vector<std::string>({"otasigned_f4.zip", "ec", "f4"}),
+ std::vector<std::string>({"otasigned_sha256.zip", "ec", "e3", "e3", "sha256"}),
+ std::vector<std::string>({"otasigned_f4_sha256.zip", "ec", "sha256", "e3", "f4", "sha256"}),
+ std::vector<std::string>({"otasigned_ecdsa_sha256.zip", "f4", "sha256", "e3", "ec", "sha256"})));
+
+INSTANTIATE_TEST_CASE_P(WrongKey, VerifierFailureTest,
+ ::testing::Values(
+ std::vector<std::string>({"otasigned.zip", "f4"}),
+ std::vector<std::string>({"otasigned_f4.zip", "e3"}),
+ std::vector<std::string>({"otasigned_ecdsa_sha256.zip", "e3", "sha256"})));
+
+INSTANTIATE_TEST_CASE_P(WrongHash, VerifierFailureTest,
+ ::testing::Values(
+ std::vector<std::string>({"otasigned.zip", "e3", "sha256"}),
+ std::vector<std::string>({"otasigned_f4.zip", "f4", "sha256"}),
+ std::vector<std::string>({"otasigned_sha256.zip"}),
+ std::vector<std::string>({"otasigned_f4_sha256.zip", "f4"}),
+ std::vector<std::string>({"otasigned_ecdsa_sha256.zip"})));
+
+INSTANTIATE_TEST_CASE_P(BadPackage, VerifierFailureTest,
+ ::testing::Values(
+ std::vector<std::string>({"random.zip"}),
+ std::vector<std::string>({"fake-eocd.zip"}),
+ std::vector<std::string>({"alter-metadata.zip"}),
+ std::vector<std::string>({"alter-footer.zip"})));
diff --git a/testdata/alter-footer.zip b/tests/testdata/alter-footer.zip
similarity index 100%
rename from testdata/alter-footer.zip
rename to tests/testdata/alter-footer.zip
Binary files differ
diff --git a/testdata/alter-metadata.zip b/tests/testdata/alter-metadata.zip
similarity index 100%
rename from testdata/alter-metadata.zip
rename to tests/testdata/alter-metadata.zip
Binary files differ
diff --git a/testdata/fake-eocd.zip b/tests/testdata/fake-eocd.zip
similarity index 100%
rename from testdata/fake-eocd.zip
rename to tests/testdata/fake-eocd.zip
Binary files differ
diff --git a/testdata/jarsigned.zip b/tests/testdata/jarsigned.zip
similarity index 100%
rename from testdata/jarsigned.zip
rename to tests/testdata/jarsigned.zip
Binary files differ
diff --git a/tests/testdata/new.file b/tests/testdata/new.file
new file mode 100644
index 0000000..cdeb8fd
--- /dev/null
+++ b/tests/testdata/new.file
Binary files differ
diff --git a/tests/testdata/old.file b/tests/testdata/old.file
new file mode 100644
index 0000000..166c873
--- /dev/null
+++ b/tests/testdata/old.file
Binary files differ
diff --git a/testdata/otasigned.zip b/tests/testdata/otasigned.zip
similarity index 100%
rename from testdata/otasigned.zip
rename to tests/testdata/otasigned.zip
Binary files differ
diff --git a/testdata/otasigned_ecdsa_sha256.zip b/tests/testdata/otasigned_ecdsa_sha256.zip
similarity index 100%
rename from testdata/otasigned_ecdsa_sha256.zip
rename to tests/testdata/otasigned_ecdsa_sha256.zip
Binary files differ
diff --git a/testdata/otasigned_f4.zip b/tests/testdata/otasigned_f4.zip
similarity index 100%
rename from testdata/otasigned_f4.zip
rename to tests/testdata/otasigned_f4.zip
Binary files differ
diff --git a/testdata/otasigned_f4_sha256.zip b/tests/testdata/otasigned_f4_sha256.zip
similarity index 100%
rename from testdata/otasigned_f4_sha256.zip
rename to tests/testdata/otasigned_f4_sha256.zip
Binary files differ
diff --git a/testdata/otasigned_sha256.zip b/tests/testdata/otasigned_sha256.zip
similarity index 100%
rename from testdata/otasigned_sha256.zip
rename to tests/testdata/otasigned_sha256.zip
Binary files differ
diff --git a/tests/testdata/patch.bsdiff b/tests/testdata/patch.bsdiff
new file mode 100644
index 0000000..b78d385
--- /dev/null
+++ b/tests/testdata/patch.bsdiff
Binary files differ
diff --git a/testdata/random.zip b/tests/testdata/random.zip
similarity index 100%
rename from testdata/random.zip
rename to tests/testdata/random.zip
Binary files differ
diff --git a/testdata/test_f4.pk8 b/tests/testdata/test_f4.pk8
similarity index 100%
rename from testdata/test_f4.pk8
rename to tests/testdata/test_f4.pk8
Binary files differ
diff --git a/testdata/test_f4.x509.pem b/tests/testdata/test_f4.x509.pem
similarity index 100%
rename from testdata/test_f4.x509.pem
rename to tests/testdata/test_f4.x509.pem
diff --git a/testdata/test_f4_sha256.x509.pem b/tests/testdata/test_f4_sha256.x509.pem
similarity index 100%
rename from testdata/test_f4_sha256.x509.pem
rename to tests/testdata/test_f4_sha256.x509.pem
diff --git a/tests/testdata/test_key_e3.txt b/tests/testdata/test_key_e3.txt
new file mode 100644
index 0000000..53f5297
--- /dev/null
+++ b/tests/testdata/test_key_e3.txt
@@ -0,0 +1 @@
+{64,0xc926ad21,{1795090719,2141396315,950055447,2581568430,4268923165,1920809988,546586521,3498997798,1776797858,3740060814,1805317999,1429410244,129622599,1422441418,1783893377,1222374759,2563319927,323993566,28517732,609753416,1826472888,215237850,4261642700,4049082591,3228462402,774857746,154822455,2497198897,2758199418,3019015328,2794777644,87251430,2534927978,120774784,571297800,3695899472,2479925187,3811625450,3401832990,2394869647,3267246207,950095497,555058928,414729973,1136544882,3044590084,465547824,4058146728,2731796054,1689838846,3890756939,1048029507,895090649,247140249,178744550,3547885223,3165179243,109881576,3944604415,1044303212,3772373029,2985150306,3737520932,3599964420},{3437017481,3784475129,2800224972,3086222688,251333580,2131931323,512774938,325948880,2657486437,2102694287,3820568226,792812816,1026422502,2053275343,2800889200,3113586810,165549746,4273519969,4065247892,1902789247,772932719,3941848426,3652744109,216871947,3164400649,1942378755,3996765851,1055777370,964047799,629391717,2232744317,3910558992,191868569,2758883837,3682816752,2997714732,2702529250,3570700455,3776873832,3924067546,3555689545,2758825434,1323144535,61311905,1997411085,376844204,213777604,4077323584,9135381,1625809335,2804742137,2952293945,1117190829,4237312782,1825108855,3013147971,1111251351,2568837572,1684324211,2520978805,367251975,810756730,2353784344,1175080310}}
diff --git a/tests/testdata/test_key_ec.txt b/tests/testdata/test_key_ec.txt
new file mode 100644
index 0000000..72b4395
--- /dev/null
+++ b/tests/testdata/test_key_ec.txt
@@ -0,0 +1 @@
+v5 {32,{36,250,86,214,202,22,20,147,198,120,2,28,76,190,78,23,106,35,24,96,86,22,186,69,132,93,192,232,0,213,14,103},{222,154,23,13,125,130,22,76,146,185,140,159,138,255,105,143,32,16,27,72,175,145,141,121,233,184,77,24,217,141,132,181}}
diff --git a/tests/testdata/test_key_f4.txt b/tests/testdata/test_key_f4.txt
new file mode 100644
index 0000000..54ddbba
--- /dev/null
+++ b/tests/testdata/test_key_f4.txt
@@ -0,0 +1 @@
+v2 {64,0xc9bd1f21,{293133087,3210546773,865313125,250921607,3158780490,943703457,1242806226,2986289859,2942743769,2457906415,2719374299,1783459420,149579627,3081531591,3440738617,2788543742,2758457512,1146764939,3699497403,2446203424,1744968926,1159130537,2370028300,3978231572,3392699980,1487782451,1180150567,2841334302,3753960204,961373345,3333628321,748825784,2978557276,1566596926,1613056060,2600292737,1847226629,50398611,1890374404,2878700735,2286201787,1401186359,619285059,731930817,2340993166,1156490245,2992241729,151498140,318782170,3480838990,2100383433,4223552555,3628927011,4247846280,1759029513,4215632601,2719154626,3490334597,1751299340,3487864726,3668753795,4217506054,3748782284,3150295088},{1772626313,445326068,3477676155,1758201194,2986784722,491035581,3922936562,702212696,2979856666,3324974564,2488428922,3056318590,1626954946,664714029,398585816,3964097931,3356701905,2298377729,2040082097,3025491477,539143308,3348777868,2995302452,3602465520,212480763,2691021393,1307177300,704008044,2031136606,1054106474,3838318865,2441343869,1477566916,700949900,2534790355,3353533667,336163563,4106790558,2701448228,1571536379,1103842411,3623110423,1635278839,1577828979,910322800,715583630,138128831,1017877531,2289162787,447994798,1897243165,4121561445,4150719842,2131821093,2262395396,3305771534,980753571,3256525190,3128121808,1072869975,3507939515,4229109952,118381341,2209831334}}
diff --git a/testdata/testkey.pk8 b/tests/testdata/testkey.pk8
similarity index 100%
rename from testdata/testkey.pk8
rename to tests/testdata/testkey.pk8
Binary files differ
diff --git a/testdata/testkey.x509.pem b/tests/testdata/testkey.x509.pem
similarity index 100%
rename from testdata/testkey.x509.pem
rename to tests/testdata/testkey.x509.pem
diff --git a/testdata/testkey_ecdsa.pk8 b/tests/testdata/testkey_ecdsa.pk8
similarity index 100%
rename from testdata/testkey_ecdsa.pk8
rename to tests/testdata/testkey_ecdsa.pk8
Binary files differ
diff --git a/testdata/testkey_ecdsa.x509.pem b/tests/testdata/testkey_ecdsa.x509.pem
similarity index 100%
rename from testdata/testkey_ecdsa.x509.pem
rename to tests/testdata/testkey_ecdsa.x509.pem
diff --git a/testdata/testkey_sha256.x509.pem b/tests/testdata/testkey_sha256.x509.pem
similarity index 100%
rename from testdata/testkey_sha256.x509.pem
rename to tests/testdata/testkey_sha256.x509.pem
diff --git a/testdata/unsigned.zip b/tests/testdata/unsigned.zip
similarity index 100%
rename from testdata/unsigned.zip
rename to tests/testdata/unsigned.zip
Binary files differ
diff --git a/tests/asn1_decoder_test.cpp b/tests/unit/asn1_decoder_test.cpp
similarity index 100%
rename from tests/asn1_decoder_test.cpp
rename to tests/unit/asn1_decoder_test.cpp
diff --git a/tests/unit/locale_test.cpp b/tests/unit/locale_test.cpp
new file mode 100644
index 0000000..0e515f8
--- /dev/null
+++ b/tests/unit/locale_test.cpp
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+
+#include "minui/minui.h"
+
+TEST(LocaleTest, Misc) {
+ EXPECT_TRUE(matches_locale("zh_CN", "zh_CN_#Hans"));
+ EXPECT_TRUE(matches_locale("zh", "zh_CN_#Hans"));
+ EXPECT_FALSE(matches_locale("zh_HK", "zh_CN_#Hans"));
+ EXPECT_TRUE(matches_locale("en_GB", "en_GB"));
+ EXPECT_TRUE(matches_locale("en", "en_GB"));
+ EXPECT_FALSE(matches_locale("en_GB", "en"));
+ EXPECT_FALSE(matches_locale("en_GB", "en_US"));
+}
diff --git a/tests/unit/recovery_test.cpp b/tests/unit/recovery_test.cpp
new file mode 100644
index 0000000..f397f25
--- /dev/null
+++ b/tests/unit/recovery_test.cpp
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <fcntl.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <android/log.h>
+#include <gtest/gtest.h>
+#include <log/logger.h>
+#include <private/android_logger.h>
+
+static const char myFilename[] = "/data/misc/recovery/inject.txt";
+static const char myContent[] = "Hello World\nWelcome to my recovery\n";
+
+// Failure is expected on systems that do not deliver either the
+// recovery-persist or recovery-refresh executables. Tests also require
+// a reboot sequence of test to truly verify.
+
+static ssize_t __pmsg_fn(log_id_t logId, char prio, const char *filename,
+ const char *buf, size_t len, void *arg) {
+ EXPECT_EQ(LOG_ID_SYSTEM, logId);
+ EXPECT_EQ(ANDROID_LOG_INFO, prio);
+ EXPECT_EQ(0, NULL == strstr(myFilename,filename));
+ EXPECT_EQ(0, strcmp(myContent, buf));
+ EXPECT_EQ(sizeof(myContent), len);
+ EXPECT_EQ(0, NULL != arg);
+ return len;
+}
+
+// recovery.refresh - May fail. Requires recovery.inject, two reboots,
+// then expect success after second reboot.
+TEST(recovery, refresh) {
+ EXPECT_EQ(0, access("/system/bin/recovery-refresh", F_OK));
+
+ ssize_t ret = __android_log_pmsg_file_read(
+ LOG_ID_SYSTEM, ANDROID_LOG_INFO, "recovery/", __pmsg_fn, NULL);
+ if (ret == -ENOENT) {
+ EXPECT_LT(0, __android_log_pmsg_file_write(
+ LOG_ID_SYSTEM, ANDROID_LOG_INFO,
+ myFilename, myContent, sizeof(myContent)));
+ fprintf(stderr, "injected test data, "
+ "requires two intervening reboots "
+ "to check for replication\n");
+ }
+ EXPECT_EQ((ssize_t)sizeof(myContent), ret);
+}
+
+// recovery.persist - Requires recovery.inject, then a reboot, then
+// expect success after for this test on that boot.
+TEST(recovery, persist) {
+ EXPECT_EQ(0, access("/system/bin/recovery-persist", F_OK));
+
+ ssize_t ret = __android_log_pmsg_file_read(
+ LOG_ID_SYSTEM, ANDROID_LOG_INFO, "recovery/", __pmsg_fn, NULL);
+ if (ret == -ENOENT) {
+ EXPECT_LT(0, __android_log_pmsg_file_write(
+ LOG_ID_SYSTEM, ANDROID_LOG_INFO,
+ myFilename, myContent, sizeof(myContent)));
+ fprintf(stderr, "injected test data, "
+ "requires intervening reboot "
+ "to check for storage\n");
+ }
+
+ int fd = open(myFilename, O_RDONLY);
+ EXPECT_LE(0, fd);
+
+ char buf[sizeof(myContent) + 32];
+ ret = read(fd, buf, sizeof(buf));
+ close(fd);
+ EXPECT_EQ(ret, (ssize_t)sizeof(myContent));
+ EXPECT_EQ(0, strcmp(myContent, buf));
+ if (fd >= 0) {
+ fprintf(stderr, "Removing persistent test data, "
+ "check if reconstructed on reboot\n");
+ }
+ EXPECT_EQ(0, unlink(myFilename));
+}
diff --git a/tools/recovery_l10n/Android.mk b/tools/recovery_l10n/Android.mk
new file mode 100644
index 0000000..937abd1
--- /dev/null
+++ b/tools/recovery_l10n/Android.mk
@@ -0,0 +1,12 @@
+# Copyright 2012 Google Inc. All Rights Reserved.
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_PACKAGE_NAME := RecoveryLocalizer
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_SRC_FILES := $(call all-java-files-under, src)
+
+include $(BUILD_PACKAGE)
diff --git a/tools/recovery_l10n/AndroidManifest.xml b/tools/recovery_l10n/AndroidManifest.xml
new file mode 100644
index 0000000..8c51a4e
--- /dev/null
+++ b/tools/recovery_l10n/AndroidManifest.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ package="com.android.recovery_l10n">
+
+ <application android:label="Recovery Localizer">
+ <activity android:name="Main"
+ android:label="Recovery Localizer">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+ <category android:name="android.intent.category.LAUNCHER" />
+ </intent-filter>
+ </activity>
+ </application>
+
+</manifest>
+
+
diff --git a/tools/recovery_l10n/res/layout/main.xml b/tools/recovery_l10n/res/layout/main.xml
new file mode 100644
index 0000000..05a16e1
--- /dev/null
+++ b/tools/recovery_l10n/res/layout/main.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ android:orientation="vertical"
+ android:layout_width="fill_parent"
+ android:layout_height="wrap_content"
+ >
+
+ <Spinner android:id="@+id/which"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ />
+
+ <Button android:id="@+id/go"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:text="@string/go"
+ />
+
+ <TextView android:id="@+id/text"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:fontFamily="sans-serif-medium"
+ android:textColor="#fff5f5f5"
+ android:textSize="14sp"
+ android:background="#ff000000"
+ android:maxWidth="480px"
+ android:gravity="center"
+ />
+
+
+</LinearLayout>
+
+
diff --git a/tools/recovery_l10n/res/values-af/strings.xml b/tools/recovery_l10n/res/values-af/strings.xml
new file mode 100644
index 0000000..b1974da
--- /dev/null
+++ b/tools/recovery_l10n/res/values-af/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Installeer tans stelselopdatering"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Vee tans uit"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Geen opdrag nie"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Fout!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Installeer tans sekuriteitopdatering"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-am/strings.xml b/tools/recovery_l10n/res/values-am/strings.xml
new file mode 100644
index 0000000..75c17fb
--- /dev/null
+++ b/tools/recovery_l10n/res/values-am/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"የሥርዓት ዝማኔን በመጫን ላይ…"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"በመደምሰስ ላይ"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"ምንም ትዕዛዝ የለም"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"ስህተት!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"የደህንነት ዝማኔ በመጫን ላይ"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-ar/strings.xml b/tools/recovery_l10n/res/values-ar/strings.xml
new file mode 100644
index 0000000..601b583
--- /dev/null
+++ b/tools/recovery_l10n/res/values-ar/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"جارٍ تثبيت تحديث النظام"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"جارٍ محو البيانات"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"ليس هناك أي أمر"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"خطأ!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"جارٍ تثبيت تحديث الأمان"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-az-rAZ/strings.xml b/tools/recovery_l10n/res/values-az-rAZ/strings.xml
new file mode 100644
index 0000000..c6765a9
--- /dev/null
+++ b/tools/recovery_l10n/res/values-az-rAZ/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Sistem güncəlləməsi quraşdırılır..."</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Silinir"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Əmr yoxdur"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Xəta!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Təhlükəsizlik güncəlləməsi yüklənir"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-b+sr+Latn/strings.xml b/tools/recovery_l10n/res/values-b+sr+Latn/strings.xml
new file mode 100644
index 0000000..c2d8f22
--- /dev/null
+++ b/tools/recovery_l10n/res/values-b+sr+Latn/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Ažuriranje sistema se instalira"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Briše se"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Nema komande"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Greška!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Instalira se bezbednosno ažuriranje"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-be-rBY/strings.xml b/tools/recovery_l10n/res/values-be-rBY/strings.xml
new file mode 100644
index 0000000..7c0954d
--- /dev/null
+++ b/tools/recovery_l10n/res/values-be-rBY/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Усталёўка абнаўлення сістэмы"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Сціранне"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Няма каманды"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Памылка"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Усталёўка абнаўлення сістэмы бяспекі"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-bg/strings.xml b/tools/recovery_l10n/res/values-bg/strings.xml
new file mode 100644
index 0000000..9e628a2
--- /dev/null
+++ b/tools/recovery_l10n/res/values-bg/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Системната актуализация се инсталира"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Изтрива се"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Без команда"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Грешка!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Актуализацията на сигурносттa се инсталира"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-bn-rBD/strings.xml b/tools/recovery_l10n/res/values-bn-rBD/strings.xml
new file mode 100644
index 0000000..0a481fa
--- /dev/null
+++ b/tools/recovery_l10n/res/values-bn-rBD/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"সিস্টেম আপডেট ইনস্টল করা হচ্ছে"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"মোছা হচ্ছে"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"কোনো আদেশ নেই"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"ত্রুটি!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"নিরাপত্তার আপডেট ইনস্টল করা হচ্ছে"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-bs-rBA/strings.xml b/tools/recovery_l10n/res/values-bs-rBA/strings.xml
new file mode 100644
index 0000000..412cf02
--- /dev/null
+++ b/tools/recovery_l10n/res/values-bs-rBA/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Ažuriranje sistema…"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Brisanje u toku"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Nema komande"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Greška!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Instaliranje sigurnosnog ažuriranja…"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-ca/strings.xml b/tools/recovery_l10n/res/values-ca/strings.xml
new file mode 100644
index 0000000..3f266d2
--- /dev/null
+++ b/tools/recovery_l10n/res/values-ca/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"S\'està instal·lant una actualització del sistema"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"S\'està esborrant"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"No hi ha cap ordre"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"S\'ha produït un error"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"S\'està instal·lant una actualització de seguretat"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-cs/strings.xml b/tools/recovery_l10n/res/values-cs/strings.xml
new file mode 100644
index 0000000..eb436a8
--- /dev/null
+++ b/tools/recovery_l10n/res/values-cs/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Instalace aktualizace systému"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Mazání"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Žádný příkaz"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Chyba!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Instalace aktualizace zabezpečení"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-da/strings.xml b/tools/recovery_l10n/res/values-da/strings.xml
new file mode 100644
index 0000000..c6e64a2
--- /dev/null
+++ b/tools/recovery_l10n/res/values-da/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Installerer systemopdateringen"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Sletter"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Ingen kommando"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Fejl!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Installerer sikkerhedsopdateringen"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-de/strings.xml b/tools/recovery_l10n/res/values-de/strings.xml
new file mode 100644
index 0000000..6b6726a
--- /dev/null
+++ b/tools/recovery_l10n/res/values-de/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Systemupdate wird installiert"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Wird gelöscht"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Kein Befehl"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Fehler"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Sicherheitsupdate wird installiert"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-el/strings.xml b/tools/recovery_l10n/res/values-el/strings.xml
new file mode 100644
index 0000000..4cb2da5
--- /dev/null
+++ b/tools/recovery_l10n/res/values-el/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Εγκατάσταση ενημέρωσης συστήματος"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Διαγραφή"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Καμία εντολή"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Σφάλμα!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Εγκατάσταση ενημέρωσης ασφαλείας"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-en-rAU/strings.xml b/tools/recovery_l10n/res/values-en-rAU/strings.xml
new file mode 100644
index 0000000..dc75c23
--- /dev/null
+++ b/tools/recovery_l10n/res/values-en-rAU/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Installing system update"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Erasing"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"No command"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Error!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Installing security update"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-en-rGB/strings.xml b/tools/recovery_l10n/res/values-en-rGB/strings.xml
new file mode 100644
index 0000000..dc75c23
--- /dev/null
+++ b/tools/recovery_l10n/res/values-en-rGB/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Installing system update"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Erasing"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"No command"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Error!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Installing security update"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-en-rIN/strings.xml b/tools/recovery_l10n/res/values-en-rIN/strings.xml
new file mode 100644
index 0000000..dc75c23
--- /dev/null
+++ b/tools/recovery_l10n/res/values-en-rIN/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Installing system update"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Erasing"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"No command"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Error!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Installing security update"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-es-rUS/strings.xml b/tools/recovery_l10n/res/values-es-rUS/strings.xml
new file mode 100644
index 0000000..06b8606
--- /dev/null
+++ b/tools/recovery_l10n/res/values-es-rUS/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Instalando actualización del sistema"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Borrando"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Ningún comando"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Error"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Instalando actualización de seguridad"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-es/strings.xml b/tools/recovery_l10n/res/values-es/strings.xml
new file mode 100644
index 0000000..d8618f2
--- /dev/null
+++ b/tools/recovery_l10n/res/values-es/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Instalando actualización del sistema"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Borrando"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Sin comandos"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Error"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Instalando actualización de seguridad"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-et-rEE/strings.xml b/tools/recovery_l10n/res/values-et-rEE/strings.xml
new file mode 100644
index 0000000..072a9ef
--- /dev/null
+++ b/tools/recovery_l10n/res/values-et-rEE/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Süsteemivärskenduse installimine"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Kustutamine"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Käsk puudub"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Viga!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Turvavärskenduse installimine"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-eu-rES/strings.xml b/tools/recovery_l10n/res/values-eu-rES/strings.xml
new file mode 100644
index 0000000..5540469
--- /dev/null
+++ b/tools/recovery_l10n/res/values-eu-rES/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Sistemaren eguneratzea instalatzen"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Eduki guztia ezabatzen"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Ez dago agindurik"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Errorea"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Segurtasun-eguneratzea instalatzen"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-fa/strings.xml b/tools/recovery_l10n/res/values-fa/strings.xml
new file mode 100644
index 0000000..cc390ae
--- /dev/null
+++ b/tools/recovery_l10n/res/values-fa/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"در حال نصب بهروزرسانی سیستم"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"در حال پاک کردن"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"فرمانی وجود ندارد"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"خطا!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"در حال نصب بهروزرسانی امنیتی"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-fi/strings.xml b/tools/recovery_l10n/res/values-fi/strings.xml
new file mode 100644
index 0000000..5141642
--- /dev/null
+++ b/tools/recovery_l10n/res/values-fi/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Asennetaan järjestelmäpäivitystä"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Tyhjennetään"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Ei komentoa"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Virhe!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Asennetaan tietoturvapäivitystä"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-fr-rCA/strings.xml b/tools/recovery_l10n/res/values-fr-rCA/strings.xml
new file mode 100644
index 0000000..b241529
--- /dev/null
+++ b/tools/recovery_l10n/res/values-fr-rCA/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Installation de la mise à jour du système en cours…"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Suppression en cours..."</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Aucune commande"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Erreur!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Installation de la mise à jour de sécurité en cours..."</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-fr/strings.xml b/tools/recovery_l10n/res/values-fr/strings.xml
new file mode 100644
index 0000000..f0472b5
--- /dev/null
+++ b/tools/recovery_l10n/res/values-fr/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Installation de la mise à jour du système…"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Suppression…"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Aucune commande"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Erreur !"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Installation de la mise à jour de sécurité…"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-gl-rES/strings.xml b/tools/recovery_l10n/res/values-gl-rES/strings.xml
new file mode 100644
index 0000000..42b2016
--- /dev/null
+++ b/tools/recovery_l10n/res/values-gl-rES/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Instalando actualización do sistema"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Borrando"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Non hai ningún comando"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Erro"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Instalando actualización de seguranza"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-gu-rIN/strings.xml b/tools/recovery_l10n/res/values-gu-rIN/strings.xml
new file mode 100644
index 0000000..2355a0f
--- /dev/null
+++ b/tools/recovery_l10n/res/values-gu-rIN/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"સિસ્ટમ અપડેટ ઇન્સ્ટૉલ કરી રહ્યાં છે"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"કાઢી નાખી રહ્યું છે"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"કોઈ આદેશ નથી"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"ભૂલ!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"સુરક્ષા અપડેટ ઇન્સ્ટૉલ કરી રહ્યાં છે"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-hi/strings.xml b/tools/recovery_l10n/res/values-hi/strings.xml
new file mode 100644
index 0000000..de87578
--- /dev/null
+++ b/tools/recovery_l10n/res/values-hi/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"सिस्टम अपडेट इंस्टॉल किया जा रहा है"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"मिटाया जा रहा है"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"कोई आदेश नहीं"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"त्रुटि!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"सुरक्षा अपडेट इंस्टॉल किया जा रहा है"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-hr/strings.xml b/tools/recovery_l10n/res/values-hr/strings.xml
new file mode 100644
index 0000000..3b75ff1
--- /dev/null
+++ b/tools/recovery_l10n/res/values-hr/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Instaliranje ažuriranja sustava"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Brisanje"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Nema naredbe"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Pogreška!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Instaliranje sigurnosnog ažuriranja"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-hu/strings.xml b/tools/recovery_l10n/res/values-hu/strings.xml
new file mode 100644
index 0000000..12d4d9f
--- /dev/null
+++ b/tools/recovery_l10n/res/values-hu/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Rendszerfrissítés telepítése"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Törlés"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Nincs parancs"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Hiba!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Biztonsági frissítés telepítése"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-hy-rAM/strings.xml b/tools/recovery_l10n/res/values-hy-rAM/strings.xml
new file mode 100644
index 0000000..9d62bb7
--- /dev/null
+++ b/tools/recovery_l10n/res/values-hy-rAM/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Համակարգի թարմացման տեղադրում"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Ջնջում"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Հրամանը տրված չէ"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Սխալ"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Անվտանգության թարմացման տեղադրում"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-in/strings.xml b/tools/recovery_l10n/res/values-in/strings.xml
new file mode 100644
index 0000000..0e56e0d
--- /dev/null
+++ b/tools/recovery_l10n/res/values-in/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Memasang pembaruan sistem"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Menghapus"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Tidak ada perintah"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Error!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Memasang pembaruan keamanan"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-is-rIS/strings.xml b/tools/recovery_l10n/res/values-is-rIS/strings.xml
new file mode 100644
index 0000000..5065b65
--- /dev/null
+++ b/tools/recovery_l10n/res/values-is-rIS/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Setur upp kerfisuppfærslu"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Eyðir"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Engin skipun"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Villa!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Setur upp öryggisuppfærslu"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-it/strings.xml b/tools/recovery_l10n/res/values-it/strings.xml
new file mode 100644
index 0000000..2c0364e
--- /dev/null
+++ b/tools/recovery_l10n/res/values-it/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Installazione aggiornamento di sistema…"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Cancellazione…"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Nessun comando"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Errore!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Installazione aggiornamento sicurezza…"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-iw/strings.xml b/tools/recovery_l10n/res/values-iw/strings.xml
new file mode 100644
index 0000000..ea5e6f2
--- /dev/null
+++ b/tools/recovery_l10n/res/values-iw/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"מתקין עדכון מערכת"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"מוחק"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"אין פקודה"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"שגיאה!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"מתקין עדכון אבטחה"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-ja/strings.xml b/tools/recovery_l10n/res/values-ja/strings.xml
new file mode 100644
index 0000000..36e029b
--- /dev/null
+++ b/tools/recovery_l10n/res/values-ja/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"システム アップデートをインストールしています"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"消去しています"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"コマンドが指定されていません"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"エラーが発生しました。"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"セキュリティ アップデートをインストールしています"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-ka-rGE/strings.xml b/tools/recovery_l10n/res/values-ka-rGE/strings.xml
new file mode 100644
index 0000000..6a46b36
--- /dev/null
+++ b/tools/recovery_l10n/res/values-ka-rGE/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"მიმდინარეობს სისტემის განახლების ინსტალაცია"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"მიმდინარეობს ამოშლა"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"ბრძანება არ არის"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"წარმოიქმნა შეცდომა!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"მიმდინარეობს უსაფრთხოების განახლების ინსტალაცია"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-kk-rKZ/strings.xml b/tools/recovery_l10n/res/values-kk-rKZ/strings.xml
new file mode 100644
index 0000000..a4bd86e
--- /dev/null
+++ b/tools/recovery_l10n/res/values-kk-rKZ/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Жүйе жаңартуы орнатылуда"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Өшірілуде"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Пәрмен жоқ"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Қате!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Қауіпсіздік жаңартуы орнатылуда"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-km-rKH/strings.xml b/tools/recovery_l10n/res/values-km-rKH/strings.xml
new file mode 100644
index 0000000..313c0f4
--- /dev/null
+++ b/tools/recovery_l10n/res/values-km-rKH/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"កំពុងអាប់ដេតប្រព័ន្ធ"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"លុប"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"គ្មានពាក្យបញ្ជាទេ"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"កំហុស!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"កំពុងដំឡើងការអាប់ដេតសុវត្ថិភាព"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-kn-rIN/strings.xml b/tools/recovery_l10n/res/values-kn-rIN/strings.xml
new file mode 100644
index 0000000..5bf6260
--- /dev/null
+++ b/tools/recovery_l10n/res/values-kn-rIN/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"ಸಿಸ್ಟಂ ಅಪ್ಡೇಟ್ ಸ್ಥಾಪಿಸಲಾಗುತ್ತಿದೆ"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"ಅಳಿಸಲಾಗುತ್ತಿದೆ"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"ಯಾವುದೇ ಆದೇಶವಿಲ್ಲ"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"ದೋಷ!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"ಭದ್ರತೆಯ ಅಪ್ಡೇಟ್ ಸ್ಥಾಪಿಸಲಾಗುತ್ತಿದೆ"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-ko/strings.xml b/tools/recovery_l10n/res/values-ko/strings.xml
new file mode 100644
index 0000000..aca13bb
--- /dev/null
+++ b/tools/recovery_l10n/res/values-ko/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"시스템 업데이트 설치"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"지우는 중"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"명령어 없음"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"오류!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"보안 업데이트 설치 중"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-ky-rKG/strings.xml b/tools/recovery_l10n/res/values-ky-rKG/strings.xml
new file mode 100644
index 0000000..0a6bd78
--- /dev/null
+++ b/tools/recovery_l10n/res/values-ky-rKG/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Тутум жаңыртуусу орнотулууда"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Тазаланууда"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Буйрук берилген жок"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Ката!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Коопсуздук жаңыртуусу орнотулууда"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-lo-rLA/strings.xml b/tools/recovery_l10n/res/values-lo-rLA/strings.xml
new file mode 100644
index 0000000..d3dbb39
--- /dev/null
+++ b/tools/recovery_l10n/res/values-lo-rLA/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"ກຳລັງຕິດຕັ້ງການອັບເດດລະບົບ"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"ກຳລັງລຶບ"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"ບໍ່ມີຄຳສັ່ງ"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"ຜິດພາດ!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"ກຳລັງຕິດຕັ້ງອັບເດດຄວາມປອດໄພ"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-lt/strings.xml b/tools/recovery_l10n/res/values-lt/strings.xml
new file mode 100644
index 0000000..d5d5e88
--- /dev/null
+++ b/tools/recovery_l10n/res/values-lt/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Diegiamas sistemos naujinys"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Ištrinama"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Nėra jokių komandų"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Klaida!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Diegiamas saugos naujinys"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-lv/strings.xml b/tools/recovery_l10n/res/values-lv/strings.xml
new file mode 100644
index 0000000..d877f6a
--- /dev/null
+++ b/tools/recovery_l10n/res/values-lv/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Notiek sistēmas atjauninājuma instalēšana"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Notiek dzēšana"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Nav nevienas komandas"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Kļūda!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Notiek drošības atjauninājuma instalēšana"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-mk-rMK/strings.xml b/tools/recovery_l10n/res/values-mk-rMK/strings.xml
new file mode 100644
index 0000000..3514597
--- /dev/null
+++ b/tools/recovery_l10n/res/values-mk-rMK/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Се инсталира ажурирање на системот"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Се брише"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Нема наредба"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Грешка!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Се инсталира безбедносно ажурирање"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-ml-rIN/strings.xml b/tools/recovery_l10n/res/values-ml-rIN/strings.xml
new file mode 100644
index 0000000..b506e25
--- /dev/null
+++ b/tools/recovery_l10n/res/values-ml-rIN/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"സിസ്റ്റം അപ്ഡേറ്റ് ഇൻസ്റ്റാൾ ചെയ്യുന്നു"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"മായ്ക്കുന്നു"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"കമാൻഡ് ഒന്നുമില്ല"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"പിശക്!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"സുരക്ഷാ അപ്ഡേറ്റ് ഇൻസ്റ്റാൾ ചെയ്യുന്നു"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-mn-rMN/strings.xml b/tools/recovery_l10n/res/values-mn-rMN/strings.xml
new file mode 100644
index 0000000..e3dd2e9
--- /dev/null
+++ b/tools/recovery_l10n/res/values-mn-rMN/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Системийн шинэчлэлтийг суулгаж байна"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Устгаж байна"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Тушаал байхгүй"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Алдаа!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Аюулгүй байдлын шинэчлэлтийг суулгаж байна"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-mr-rIN/strings.xml b/tools/recovery_l10n/res/values-mr-rIN/strings.xml
new file mode 100644
index 0000000..8cf86f7
--- /dev/null
+++ b/tools/recovery_l10n/res/values-mr-rIN/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"सिस्टम अद्यतन स्थापित करीत आहे"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"मिटवत आहे"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"कोणताही आदेश नाही"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"त्रुटी!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"सुरक्षा अद्यतन स्थापित करीत आहे"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-ms-rMY/strings.xml b/tools/recovery_l10n/res/values-ms-rMY/strings.xml
new file mode 100644
index 0000000..0e24ac4
--- /dev/null
+++ b/tools/recovery_l10n/res/values-ms-rMY/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Memasang kemas kini sistem"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Memadam"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Tiada perintah"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Ralat!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Memasang kemas kini keselamatan"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-my-rMM/strings.xml b/tools/recovery_l10n/res/values-my-rMM/strings.xml
new file mode 100644
index 0000000..f137524
--- /dev/null
+++ b/tools/recovery_l10n/res/values-my-rMM/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"စနစ်အပ်ဒိတ်ကို ထည့်သွင်းနေသည်"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"ဖျက်နေသည်"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"ညွှန်ကြားချက်မပေးထားပါ"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"မှားနေပါသည်!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"လုံခြုံရေး အပ်ဒိတ်ကို ထည့်သွင်းနေသည်"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-nb/strings.xml b/tools/recovery_l10n/res/values-nb/strings.xml
new file mode 100644
index 0000000..ad6f20e
--- /dev/null
+++ b/tools/recovery_l10n/res/values-nb/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Installerer systemoppdateringen"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Tømmer"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Ingen kommandoer"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Feil!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Installerer sikkerhetsoppdateringen"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-ne-rNP/strings.xml b/tools/recovery_l10n/res/values-ne-rNP/strings.xml
new file mode 100644
index 0000000..1880e80
--- /dev/null
+++ b/tools/recovery_l10n/res/values-ne-rNP/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"प्रणालीको अद्यावधिकलाई स्थापना गर्दै"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"मेटाउँदै"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"कुनै आदेश छैन"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"त्रुटि!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"सुरक्षा सम्बन्धी अद्यावधिकलाई स्थापना गर्दै"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-nl/strings.xml b/tools/recovery_l10n/res/values-nl/strings.xml
new file mode 100644
index 0000000..0d6c15a
--- /dev/null
+++ b/tools/recovery_l10n/res/values-nl/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Systeemupdate installeren"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Wissen"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Geen opdracht"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Fout!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Beveiligingsupdate installeren"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-pa-rIN/strings.xml b/tools/recovery_l10n/res/values-pa-rIN/strings.xml
new file mode 100644
index 0000000..8564c9c
--- /dev/null
+++ b/tools/recovery_l10n/res/values-pa-rIN/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"ਸਿਸਟਮ ਅੱਪਡੇਟ ਸਥਾਪਤ ਕੀਤੀ ਜਾ ਰਹੀ ਹੈ"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"ਮਿਟਾਈ ਜਾ ਰਹੀ ਹੈ"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"ਕੋਈ ਕਮਾਂਡ ਨਹੀਂ"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"ਅਸ਼ੁੱਧੀ!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"ਸੁਰੱਖਿਆ ਅੱਪਡੇਟ ਸਥਾਪਤ ਕੀਤੀ ਜਾ ਰਹੀ ਹੈ"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-pl/strings.xml b/tools/recovery_l10n/res/values-pl/strings.xml
new file mode 100644
index 0000000..8d6db38
--- /dev/null
+++ b/tools/recovery_l10n/res/values-pl/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Instaluję aktualizację systemu"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Kasuję"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Brak polecenia"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Błąd"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Instaluję aktualizację zabezpieczeń"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-pt-rBR/strings.xml b/tools/recovery_l10n/res/values-pt-rBR/strings.xml
new file mode 100644
index 0000000..b727043
--- /dev/null
+++ b/tools/recovery_l10n/res/values-pt-rBR/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Instalando atualização do sistema"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Apagando"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Nenhum comando"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Erro!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Instalando atualização de segurança"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-pt-rPT/strings.xml b/tools/recovery_l10n/res/values-pt-rPT/strings.xml
new file mode 100644
index 0000000..9814637
--- /dev/null
+++ b/tools/recovery_l10n/res/values-pt-rPT/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"A instalar atualização do sistema"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"A apagar"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Nenhum comando"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Erro!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"A instalar atualização de segurança"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-pt/strings.xml b/tools/recovery_l10n/res/values-pt/strings.xml
new file mode 100644
index 0000000..b727043
--- /dev/null
+++ b/tools/recovery_l10n/res/values-pt/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Instalando atualização do sistema"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Apagando"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Nenhum comando"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Erro!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Instalando atualização de segurança"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-ro/strings.xml b/tools/recovery_l10n/res/values-ro/strings.xml
new file mode 100644
index 0000000..8032865
--- /dev/null
+++ b/tools/recovery_l10n/res/values-ro/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Se instalează actualizarea de sistem"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Se șterge"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Nicio comandă"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Eroare!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Se instalează actualizarea de securitate"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-ru/strings.xml b/tools/recovery_l10n/res/values-ru/strings.xml
new file mode 100644
index 0000000..feebecf
--- /dev/null
+++ b/tools/recovery_l10n/res/values-ru/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Установка обновления системы…"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Удаление…"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Команды нет"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Ошибка"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Установка обновления системы безопасности…"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-si-rLK/strings.xml b/tools/recovery_l10n/res/values-si-rLK/strings.xml
new file mode 100644
index 0000000..456cdc5
--- /dev/null
+++ b/tools/recovery_l10n/res/values-si-rLK/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"පද්ධති යාවත්කාලීනය ස්ථාපනය කරමින්"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"මකමින්"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"විධානයක් නොමැත"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"දෝෂය!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"ආරක්ෂක යාවත්කාලීනය ස්ථාපනය කරමින්"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-sk/strings.xml b/tools/recovery_l10n/res/values-sk/strings.xml
new file mode 100644
index 0000000..b15f380
--- /dev/null
+++ b/tools/recovery_l10n/res/values-sk/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Inštaluje sa aktualizácia systému"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Prebieha vymazávanie"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Žiadny príkaz"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Chyba!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Inštaluje sa bezpečnostná aktualizácia"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-sl/strings.xml b/tools/recovery_l10n/res/values-sl/strings.xml
new file mode 100644
index 0000000..d608b75
--- /dev/null
+++ b/tools/recovery_l10n/res/values-sl/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Nameščanje posodobitve sistema"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Brisanje"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Ni ukaza"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Napaka"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Nameščanje varnostne posodobitve"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-sq-rAL/strings.xml b/tools/recovery_l10n/res/values-sq-rAL/strings.xml
new file mode 100644
index 0000000..1156931
--- /dev/null
+++ b/tools/recovery_l10n/res/values-sq-rAL/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Po instalon përditësimin e sistemit"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Po spastron"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Nuk ka komanda"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Gabim!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Po instalon përditësimin e sigurisë"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-sr/strings.xml b/tools/recovery_l10n/res/values-sr/strings.xml
new file mode 100644
index 0000000..a593d8f
--- /dev/null
+++ b/tools/recovery_l10n/res/values-sr/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Ажурирање система се инсталира"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Брише се"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Нема команде"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Грешка!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Инсталира се безбедносно ажурирање"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-sv/strings.xml b/tools/recovery_l10n/res/values-sv/strings.xml
new file mode 100644
index 0000000..b33ce25
--- /dev/null
+++ b/tools/recovery_l10n/res/values-sv/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Systemuppdatering installeras"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Rensar"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Inget kommando"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Fel!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Säkerhetsuppdatering installeras"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-sw/strings.xml b/tools/recovery_l10n/res/values-sw/strings.xml
new file mode 100644
index 0000000..1567658
--- /dev/null
+++ b/tools/recovery_l10n/res/values-sw/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Inasakinisha sasisho la mfumo"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Inafuta"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Hakuna amri"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Hitilafu fulani imetokea!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Inasakinisha sasisho la usalama"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-ta-rIN/strings.xml b/tools/recovery_l10n/res/values-ta-rIN/strings.xml
new file mode 100644
index 0000000..d49186d
--- /dev/null
+++ b/tools/recovery_l10n/res/values-ta-rIN/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"முறைமைப் புதுப்பிப்பை நிறுவுகிறது"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"அழிக்கிறது"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"கட்டளை இல்லை"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"பிழை!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"பாதுகாப்புப் புதுப்பிப்பை நிறுவுகிறது"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-te-rIN/strings.xml b/tools/recovery_l10n/res/values-te-rIN/strings.xml
new file mode 100644
index 0000000..cfb02c9
--- /dev/null
+++ b/tools/recovery_l10n/res/values-te-rIN/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"సిస్టమ్ నవీకరణను ఇన్స్టాల్ చేస్తోంది"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"డేటాను తొలగిస్తోంది"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"ఆదేశం లేదు"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"లోపం సంభవించింది!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"భద్రతా నవీకరణను ఇన్స్టాల్ చేస్తోంది"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-th/strings.xml b/tools/recovery_l10n/res/values-th/strings.xml
new file mode 100644
index 0000000..155affe
--- /dev/null
+++ b/tools/recovery_l10n/res/values-th/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"กำลังติดตั้งการอัปเดตระบบ"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"กำลังลบ"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"ไม่มีคำสั่ง"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"ข้อผิดพลาด!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"กำลังติดตั้งการอัปเดตความปลอดภัย"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-tl/strings.xml b/tools/recovery_l10n/res/values-tl/strings.xml
new file mode 100644
index 0000000..555b42b
--- /dev/null
+++ b/tools/recovery_l10n/res/values-tl/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Nag-i-install ng pag-update ng system"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Binubura"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Walang command"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Error!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Nag-i-install ng update sa seguridad"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-tr/strings.xml b/tools/recovery_l10n/res/values-tr/strings.xml
new file mode 100644
index 0000000..5387cb2
--- /dev/null
+++ b/tools/recovery_l10n/res/values-tr/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Sistem güncellemesi yükleniyor"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Siliniyor"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Komut yok"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Hata!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Güvenlik güncellemesi yükleniyor"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-uk/strings.xml b/tools/recovery_l10n/res/values-uk/strings.xml
new file mode 100644
index 0000000..0c2fa16
--- /dev/null
+++ b/tools/recovery_l10n/res/values-uk/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Установлюється оновлення системи"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Стирання"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Немає команди"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Помилка!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Установлюється оновлення системи безпеки"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-ur-rPK/strings.xml b/tools/recovery_l10n/res/values-ur-rPK/strings.xml
new file mode 100644
index 0000000..12e32fb
--- /dev/null
+++ b/tools/recovery_l10n/res/values-ur-rPK/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"سسٹم اپ ڈیٹ انسٹال ہو رہی ہے"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"صاف ہو رہا ہے"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"کوئی کمانڈ نہیں ہے"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"خرابی!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"سیکیورٹی اپ ڈیٹ انسٹال ہو رہی ہے"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-uz-rUZ/strings.xml b/tools/recovery_l10n/res/values-uz-rUZ/strings.xml
new file mode 100644
index 0000000..2c309d6
--- /dev/null
+++ b/tools/recovery_l10n/res/values-uz-rUZ/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Tizim yangilanishi o‘rnatilmoqda"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Tozalanmoqda…"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Buyruq yo‘q"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Xato!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Xavfsizlik yangilanishi o‘rnatilmoqda"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-vi/strings.xml b/tools/recovery_l10n/res/values-vi/strings.xml
new file mode 100644
index 0000000..c77d0c8
--- /dev/null
+++ b/tools/recovery_l10n/res/values-vi/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Đang cài đặt bản cập nhật hệ thống"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Đang xóa"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Không có lệnh nào"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Lỗi!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Đang cài đặt bản cập nhật bảo mật"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-zh-rCN/strings.xml b/tools/recovery_l10n/res/values-zh-rCN/strings.xml
new file mode 100644
index 0000000..e061497
--- /dev/null
+++ b/tools/recovery_l10n/res/values-zh-rCN/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"正在安装系统更新"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"正在清空"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"无命令"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"出错了！"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"正在安装安全更新"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-zh-rHK/strings.xml b/tools/recovery_l10n/res/values-zh-rHK/strings.xml
new file mode 100644
index 0000000..ec3315d
--- /dev/null
+++ b/tools/recovery_l10n/res/values-zh-rHK/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"正在安裝系統更新"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"正在清除"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"沒有指令"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"錯誤！"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"正在安裝安全性更新"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-zh-rTW/strings.xml b/tools/recovery_l10n/res/values-zh-rTW/strings.xml
new file mode 100644
index 0000000..78eae24
--- /dev/null
+++ b/tools/recovery_l10n/res/values-zh-rTW/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"正在安裝系統更新"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"清除中"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"沒有指令"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"錯誤！"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"正在安裝安全性更新"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-zu/strings.xml b/tools/recovery_l10n/res/values-zu/strings.xml
new file mode 100644
index 0000000..6b815e1
--- /dev/null
+++ b/tools/recovery_l10n/res/values-zu/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+ <string name="recovery_installing" msgid="2013591905463558223">"Ifaka isibuyekezo sesistimu"</string>
+ <string name="recovery_erasing" msgid="7334826894904037088">"Iyasula"</string>
+ <string name="recovery_no_command" msgid="4465476568623024327">"Awukho umyalo"</string>
+ <string name="recovery_error" msgid="5748178989622716736">"Iphutha!"</string>
+ <string name="recovery_installing_security" msgid="9184031299717114342">"Ifaka isibuyekezo sokuphepha"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values/strings.xml b/tools/recovery_l10n/res/values/strings.xml
new file mode 100644
index 0000000..971e038
--- /dev/null
+++ b/tools/recovery_l10n/res/values/strings.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+ <!-- Do not translate. -->
+ <string translatable="false" name="go">Go</string>
+
+ <!-- Do not translate. -->
+ <string-array translatable="false" name="string_options">
+ <item>installing</item>
+ <item>erasing</item>
+ <item>no_command</item>
+ <item>error</item>
+ </string-array>
+
+ <!-- Displayed on the screen beneath the animated android while the
+ system is installing an update. [CHAR LIMIT=60] -->
+ <string name="recovery_installing">Installing system update</string>
+
+ <!-- Displayed on the screen beneath the animated android while the
+ system is erasing a partition (either a data wipe aka "factory
+ reset", or a cache wipe). [CHAR LIMIT=60] -->
+ <string name="recovery_erasing">Erasing</string>
+
+ <!-- Displayed on the screen when the user has gotten into recovery
+ mode without a command to run. Will not normally happen, but
+ users (especially developers) may boot into recovery mode
+ manually via special key combinations. [CHAR LIMIT=60] -->
+ <string name="recovery_no_command">No command</string>
+
+ <!-- Displayed on the triangle-! screen when a system update
+ installation or data wipe procedure encounters an error. [CHAR
+ LIMIT=60] -->
+ <string name="recovery_error">Error!</string>
+
+ <!-- Displayed on the screen beneath the animation while the
+ system is installing a security update. [CHAR LIMIT=60] -->
+ <string name="recovery_installing_security">Installing security update</string>
+
+</resources>
diff --git a/tools/recovery_l10n/src/com/android/recovery_l10n/Main.java b/tools/recovery_l10n/src/com/android/recovery_l10n/Main.java
new file mode 100644
index 0000000..817a3ad
--- /dev/null
+++ b/tools/recovery_l10n/src/com/android/recovery_l10n/Main.java
@@ -0,0 +1,316 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.recovery_l10n;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.content.res.AssetManager;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.os.Bundle;
+import android.os.RemoteException;
+import android.util.DisplayMetrics;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+import android.widget.Spinner;
+import android.widget.ArrayAdapter;
+import android.widget.AdapterView;
+
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Locale;
+
+/**
+ * This activity assists in generating the specially-formatted bitmaps
+ * of text needed for recovery's localized text display. Each image
+ * contains all the translations of a single string; above each
+ * translation is a "header row" that encodes that subimage's width,
+ * height, and locale using pixel values.
+ *
+ * To use this app to generate new translations:
+ *
+ * - Update the string resources in res/values-*
+ *
+ * - Build and run the app. Select the string you want to
+ * translate, and press the "Go" button.
+ *
+ * - Wait for it to finish cycling through all the strings, then
+ * pull /data/data/com.android.recovery_l10n/files/text-out.png
+ * from the device.
+ *
+ * - "pngcrush -c 0 text-out.png output.png"
+ *
+ * - Put output.png in bootable/recovery/res/images/ (renamed
+ * appropriately).
+ *
+ * Recovery expects 8-bit 1-channel images (white text on black
+ * background). pngcrush -c 0 will convert the output of this program
+ * to such an image. If you use any other image handling tools,
+ * remember that they must be lossless to preserve the exact values of
+ * pixels in the header rows; don't convert them to jpeg or anything.
+ */
+
+public class Main extends Activity {
+ private static final String TAG = "RecoveryL10N";
+
+ HashMap<Locale, Bitmap> savedBitmaps;
+ TextView mText;
+ int mStringId = R.string.recovery_installing;
+
+ public class TextCapture implements Runnable {
+ private Locale nextLocale;
+ private Locale thisLocale;
+ private Runnable next;
+
+ TextCapture(Locale thisLocale, Locale nextLocale, Runnable next) {
+ this.nextLocale = nextLocale;
+ this.thisLocale = thisLocale;
+ this.next = next;
+ }
+
+ public void run() {
+ Bitmap b = mText.getDrawingCache();
+ savedBitmaps.put(thisLocale, b.copy(Bitmap.Config.ARGB_8888, false));
+
+ if (nextLocale != null) {
+ switchTo(nextLocale);
+ }
+
+ if (next != null) {
+ mText.postDelayed(next, 200);
+ }
+ }
+ }
+
+ private void switchTo(Locale locale) {
+ Resources standardResources = getResources();
+ AssetManager assets = standardResources.getAssets();
+ DisplayMetrics metrics = standardResources.getDisplayMetrics();
+ Configuration config = new Configuration(standardResources.getConfiguration());
+ config.locale = locale;
+ Resources defaultResources = new Resources(assets, metrics, config);
+
+ mText.setText(mStringId);
+
+ mText.setDrawingCacheEnabled(false);
+ mText.setDrawingCacheEnabled(true);
+ mText.setDrawingCacheQuality(View.DRAWING_CACHE_QUALITY_HIGH);
+ }
+
+ @Override
+ public void onCreate(Bundle savedInstance) {
+ super.onCreate(savedInstance);
+ setContentView(R.layout.main);
+
+ savedBitmaps = new HashMap<Locale, Bitmap>();
+
+ Spinner spinner = (Spinner) findViewById(R.id.which);
+ ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(
+ this, R.array.string_options, android.R.layout.simple_spinner_item);
+ adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+ spinner.setAdapter(adapter);
+ spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
+ @Override
+ public void onItemSelected(AdapterView parent, View view,
+ int pos, long id) {
+ switch (pos) {
+ case 0: mStringId = R.string.recovery_installing; break;
+ case 1: mStringId = R.string.recovery_erasing; break;
+ case 2: mStringId = R.string.recovery_no_command; break;
+ case 3: mStringId = R.string.recovery_error; break;
+ }
+ }
+ @Override public void onNothingSelected(AdapterView parent) { }
+ });
+
+ mText = (TextView) findViewById(R.id.text);
+
+ String[] localeNames = getAssets().getLocales();
+ Arrays.sort(localeNames);
+ ArrayList<Locale> locales = new ArrayList<Locale>();
+ for (String localeName : localeNames) {
+ Log.i(TAG, "locale = " + localeName);
+ locales.add(Locale.forLanguageTag(localeName));
+ }
+
+ final Runnable seq = buildSequence(locales.toArray(new Locale[0]));
+
+ Button b = (Button) findViewById(R.id.go);
+ b.setOnClickListener(new View.OnClickListener() {
+ @Override
+ public void onClick(View ignore) {
+ mText.post(seq);
+ }
+ });
+ }
+
+ private Runnable buildSequence(final Locale[] locales) {
+ Runnable head = new Runnable() { public void run() { mergeBitmaps(locales); } };
+ Locale prev = null;
+ for (Locale loc : locales) {
+ head = new TextCapture(loc, prev, head);
+ prev = loc;
+ }
+ final Runnable fhead = head;
+ final Locale floc = prev;
+ return new Runnable() { public void run() { startSequence(fhead, floc); } };
+ }
+
+ private void startSequence(Runnable firstRun, Locale firstLocale) {
+ savedBitmaps.clear();
+ switchTo(firstLocale);
+ mText.postDelayed(firstRun, 200);
+ }
+
+ private void saveBitmap(Bitmap b, String filename) {
+ try {
+ FileOutputStream fos = openFileOutput(filename, 0);
+ b.compress(Bitmap.CompressFormat.PNG, 100, fos);
+ fos.close();
+ } catch (IOException e) {
+ Log.i(TAG, "failed to write PNG", e);
+ }
+ }
+
+ private int colorFor(byte b) {
+ return 0xff000000 | (b<<16) | (b<<8) | b;
+ }
+
+ private int colorFor(int b) {
+ return 0xff000000 | (b<<16) | (b<<8) | b;
+ }
+
+ private void mergeBitmaps(final Locale[] locales) {
+ HashMap<String, Integer> countByLanguage = new HashMap<String, Integer>();
+
+ int height = 2;
+ int width = 10;
+ int maxHeight = 0;
+ for (Locale loc : locales) {
+ Bitmap b = savedBitmaps.get(loc);
+ int h = b.getHeight();
+ int w = b.getWidth();
+ height += h+1;
+ if (h > maxHeight) maxHeight = h;
+ if (w > width) width = w;
+
+ String lang = loc.getLanguage();
+ if (countByLanguage.containsKey(lang)) {
+ countByLanguage.put(lang, countByLanguage.get(lang)+1);
+ } else {
+ countByLanguage.put(lang, 1);
+ }
+ }
+
+ Log.i(TAG, "output bitmap is " + width + " x " + height);
+ Bitmap out = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
+ out.eraseColor(0xff000000);
+ int[] pixels = new int[maxHeight * width];
+
+ int p = 0;
+ for (Locale loc : locales) {
+ Bitmap bm = savedBitmaps.get(loc);
+ int h = bm.getHeight();
+ int w = bm.getWidth();
+
+ bm.getPixels(pixels, 0, w, 0, 0, w, h);
+
+ // Find the rightmost and leftmost columns with any
+ // nonblack pixels; we'll copy just that region to the
+ // output image.
+
+ int right = w;
+ while (right > 1) {
+ boolean all_black = true;
+ for (int j = 0; j < h; ++j) {
+ if (pixels[j*w+right-1] != 0xff000000) {
+ all_black = false;
+ break;
+ }
+ }
+ if (all_black) {
+ --right;
+ } else {
+ break;
+ }
+ }
+
+ int left = 0;
+ while (left < right-1) {
+ boolean all_black = true;
+ for (int j = 0; j < h; ++j) {
+ if (pixels[j*w+left] != 0xff000000) {
+ all_black = false;
+ break;
+ }
+ }
+ if (all_black) {
+ ++left;
+ } else {
+ break;
+ }
+ }
+
+ // Make the last country variant for a given language be
+ // the catch-all for that language (because recovery will
+ // take the first one that matches).
+ String lang = loc.getLanguage();
+ if (countByLanguage.get(lang) > 1) {
+ countByLanguage.put(lang, countByLanguage.get(lang)-1);
+ lang = loc.toString();
+ }
+ int tw = right - left;
+ Log.i(TAG, "encoding \"" + loc + "\" as \"" + lang + "\": " + tw + " x " + h);
+ byte[] langBytes = lang.getBytes();
+ out.setPixel(0, p, colorFor(tw & 0xff));
+ out.setPixel(1, p, colorFor(tw >>> 8));
+ out.setPixel(2, p, colorFor(h & 0xff));
+ out.setPixel(3, p, colorFor(h >>> 8));
+ out.setPixel(4, p, colorFor(langBytes.length));
+ int x = 5;
+ for (byte b : langBytes) {
+ out.setPixel(x, p, colorFor(b));
+ x++;
+ }
+ out.setPixel(x, p, colorFor(0));
+
+ p++;
+
+ out.setPixels(pixels, left, w, 0, p, tw, h);
+ p += h;
+ }
+
+ // if no languages match, suppress text display by using a
+ // single black pixel as the image.
+ out.setPixel(0, p, colorFor(1));
+ out.setPixel(1, p, colorFor(0));
+ out.setPixel(2, p, colorFor(1));
+ out.setPixel(3, p, colorFor(0));
+ out.setPixel(4, p, colorFor(0));
+ p++;
+
+ saveBitmap(out, "text-out.png");
+ Log.i(TAG, "wrote text-out.png");
+ }
+}
diff --git a/ui.cpp b/ui.cpp
index 1a0b079..2efb759 100644
--- a/ui.cpp
+++ b/ui.cpp
@@ -28,6 +28,7 @@
#include <time.h>
#include <unistd.h>
+#include <cutils/properties.h>
#include <cutils/android_reboot.h>
#include "common.h"
@@ -174,7 +175,8 @@
case RecoveryUI::REBOOT:
if (reboot_enabled) {
- android_reboot(ANDROID_RB_RESTART, 0, 0);
+ property_set(ANDROID_RB_PROPERTY, "reboot,");
+ while (true) { pause(); }
}
break;
diff --git a/ui.h b/ui.h
index 4dcaa0f..82d95a3 100644
--- a/ui.h
+++ b/ui.h
@@ -39,6 +39,7 @@
// Set the overall recovery state ("background image").
enum Icon { NONE, INSTALLING_UPDATE, ERASING, NO_COMMAND, ERROR };
virtual void SetBackground(Icon icon) = 0;
+ virtual void SetSystemUpdateText(bool security_update) = 0;
// --- progress indicator ---
enum ProgressType { EMPTY, INDETERMINATE, DETERMINATE };
@@ -62,8 +63,10 @@
virtual bool WasTextEverVisible() = 0;
// Write a message to the on-screen log (shown if the user has
- // toggled on the text display).
+ // toggled on the text display). Print() will also dump the message
+ // to stdout / log file, while PrintOnScreenOnly() not.
virtual void Print(const char* fmt, ...) __printflike(2, 3) = 0;
+ virtual void PrintOnScreenOnly(const char* fmt, ...) __printflike(2, 3) = 0;
virtual void ShowFile(const char* filename) = 0;
diff --git a/uncrypt/Android.mk b/uncrypt/Android.mk
index c7d4d37..09cfdfc 100644
--- a/uncrypt/Android.mk
+++ b/uncrypt/Android.mk
@@ -15,11 +15,27 @@
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
+LOCAL_CLANG := true
+LOCAL_SRC_FILES := bootloader_message_writer.cpp
+LOCAL_MODULE := libbootloader_message_writer
+LOCAL_STATIC_LIBRARIES := libbase libfs_mgr
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/..
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
+include $(BUILD_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+
+LOCAL_CLANG := true
LOCAL_SRC_FILES := uncrypt.cpp
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/..
+
LOCAL_MODULE := uncrypt
-LOCAL_STATIC_LIBRARIES := libbase liblog libfs_mgr libcutils
+LOCAL_STATIC_LIBRARIES := libbootloader_message_writer libbase \
+ liblog libfs_mgr libcutils \
+
+LOCAL_INIT_RC := uncrypt.rc
include $(BUILD_EXECUTABLE)
diff --git a/uncrypt/bootloader_message_writer.cpp b/uncrypt/bootloader_message_writer.cpp
new file mode 100644
index 0000000..3bb106a
--- /dev/null
+++ b/uncrypt/bootloader_message_writer.cpp
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/system_properties.h>
+
+#include <string>
+#include <vector>
+
+#include <android-base/file.h>
+#include <android-base/stringprintf.h>
+#include <android-base/unique_fd.h>
+#include <fs_mgr.h>
+
+#include "bootloader.h"
+
+static struct fstab* read_fstab(std::string* err) {
+ // The fstab path is always "/fstab.${ro.hardware}".
+ std::string fstab_path = "/fstab.";
+ char value[PROP_VALUE_MAX];
+ if (__system_property_get("ro.hardware", value) == 0) {
+ *err = "failed to get ro.hardware";
+ return nullptr;
+ }
+ fstab_path += value;
+ struct fstab* fstab = fs_mgr_read_fstab(fstab_path.c_str());
+ if (fstab == nullptr) {
+ *err = "failed to read " + fstab_path;
+ }
+ return fstab;
+}
+
+static std::string get_misc_blk_device(std::string* err) {
+ struct fstab* fstab = read_fstab(err);
+ if (fstab == nullptr) {
+ return "";
+ }
+ fstab_rec* record = fs_mgr_get_entry_for_mount_point(fstab, "/misc");
+ if (record == nullptr) {
+ *err = "failed to find /misc partition";
+ return "";
+ }
+ return record->blk_device;
+}
+
+static bool write_bootloader_message(const bootloader_message& boot, std::string* err) {
+ std::string misc_blk_device = get_misc_blk_device(err);
+ if (misc_blk_device.empty()) {
+ return false;
+ }
+ android::base::unique_fd fd(open(misc_blk_device.c_str(), O_WRONLY | O_SYNC));
+ if (fd.get() == -1) {
+ *err = android::base::StringPrintf("failed to open %s: %s", misc_blk_device.c_str(),
+ strerror(errno));
+ return false;
+ }
+ if (!android::base::WriteFully(fd.get(), &boot, sizeof(boot))) {
+ *err = android::base::StringPrintf("failed to write %s: %s", misc_blk_device.c_str(),
+ strerror(errno));
+ return false;
+ }
+ // TODO: O_SYNC and fsync duplicates each other?
+ if (fsync(fd.get()) == -1) {
+ *err = android::base::StringPrintf("failed to fsync %s: %s", misc_blk_device.c_str(),
+ strerror(errno));
+ return false;
+ }
+ return true;
+}
+
+bool clear_bootloader_message(std::string* err) {
+ bootloader_message boot = {};
+ return write_bootloader_message(boot, err);
+}
+
+bool write_bootloader_message(const std::vector<std::string>& options, std::string* err) {
+ bootloader_message boot = {};
+ strlcpy(boot.command, "boot-recovery", sizeof(boot.command));
+ strlcpy(boot.recovery, "recovery\n", sizeof(boot.recovery));
+ for (const auto& s : options) {
+ strlcat(boot.recovery, s.c_str(), sizeof(boot.recovery));
+ if (s.back() != '\n') {
+ strlcat(boot.recovery, "\n", sizeof(boot.recovery));
+ }
+ }
+ return write_bootloader_message(boot, err);
+}
+
+extern "C" bool write_bootloader_message(const char* options) {
+ std::string err;
+ return write_bootloader_message({options}, &err);
+}
diff --git a/uncrypt/include/bootloader_message_writer.h b/uncrypt/include/bootloader_message_writer.h
new file mode 100644
index 0000000..e0ca3f4
--- /dev/null
+++ b/uncrypt/include/bootloader_message_writer.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef BOOTLOADER_MESSAGE_WRITER_H
+#define BOOTLOADER_MESSAGE_WRITER_H
+
+#ifdef __cplusplus
+#include <string>
+#include <vector>
+
+bool clear_bootloader_message(std::string* err);
+
+bool write_bootloader_message(const std::vector<std::string>& options, std::string* err);
+
+#else
+#include <stdbool.h>
+
+// C Interface.
+bool write_bootloader_message(const char* options);
+#endif
+
+#endif // BOOTLOADER_MESSAGE_WRITER_H
diff --git a/uncrypt/uncrypt.cpp b/uncrypt/uncrypt.cpp
index 46da86d..d7105a0 100644
--- a/uncrypt/uncrypt.cpp
+++ b/uncrypt/uncrypt.cpp
@@ -39,75 +39,126 @@
// Recovery can take this block map file and retrieve the underlying
// file data to use as an update package.
+/**
+ * In addition to the uncrypt work, uncrypt also takes care of setting and
+ * clearing the bootloader control block (BCB) at /misc partition.
+ *
+ * uncrypt is triggered as init services on demand. It uses socket to
+ * communicate with its caller (i.e. system_server). The socket is managed by
+ * init (i.e. created prior to the service starts, and destroyed when uncrypt
+ * exits).
+ *
+ * Below is the uncrypt protocol.
+ *
+ * a. caller b. init c. uncrypt
+ * --------------- ------------ --------------
+ * a1. ctl.start:
+ * setup-bcb /
+ * clear-bcb /
+ * uncrypt
+ *
+ * b2. create socket at
+ * /dev/socket/uncrypt
+ *
+ * c3. listen and accept
+ *
+ * a4. send a 4-byte int
+ * (message length)
+ * c5. receive message length
+ * a6. send message
+ * c7. receive message
+ * c8. <do the work; may send
+ * the progress>
+ * a9. <may handle progress>
+ * c10. <upon finishing>
+ * send "100" or "-1"
+ *
+ * a11. receive status code
+ * a12. send a 4-byte int to
+ * ack the receive of the
+ * final status code
+ * c13. receive and exit
+ *
+ * b14. destroy the socket
+ *
+ * Note that a12 and c13 are necessary to ensure a11 happens before the socket
+ * gets destroyed in b14.
+ */
+
+#include <arpa/inet.h>
#include <errno.h>
#include <fcntl.h>
+#include <inttypes.h>
+#include <libgen.h>
#include <linux/fs.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
+#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
-#include <base/file.h>
-#include <base/strings.h>
+#include <algorithm>
+#include <memory>
+#include <vector>
+
+#include <android-base/file.h>
+#include <android-base/logging.h>
+#include <android-base/stringprintf.h>
+#include <android-base/strings.h>
+#include <bootloader_message_writer.h>
+#include <cutils/android_reboot.h>
#include <cutils/properties.h>
+#include <cutils/sockets.h>
#include <fs_mgr.h>
+
#define LOG_TAG "uncrypt"
#include <log/log.h>
+#include "unique_fd.h"
+
#define WINDOW_SIZE 5
-static const std::string cache_block_map = "/cache/recovery/block.map";
-static const std::string status_file = "/cache/recovery/uncrypt_status";
-static const std::string uncrypt_file = "/cache/recovery/uncrypt_file";
+// uncrypt provides three services: SETUP_BCB, CLEAR_BCB and UNCRYPT.
+//
+// SETUP_BCB and CLEAR_BCB services use socket communication and do not rely
+// on /cache partitions. They will handle requests to reboot into recovery
+// (for applying updates for non-A/B devices, or factory resets for all
+// devices).
+//
+// UNCRYPT service still needs files on /cache partition (UNCRYPT_PATH_FILE
+// and CACHE_BLOCK_MAP). It will be working (and needed) only for non-A/B
+// devices, on which /cache partitions always exist.
+static const std::string CACHE_BLOCK_MAP = "/cache/recovery/block.map";
+static const std::string UNCRYPT_PATH_FILE = "/cache/recovery/uncrypt_file";
+static const std::string UNCRYPT_SOCKET = "uncrypt";
-static struct fstab* fstab = NULL;
+static struct fstab* fstab = nullptr;
static int write_at_offset(unsigned char* buffer, size_t size, int wfd, off64_t offset) {
if (TEMP_FAILURE_RETRY(lseek64(wfd, offset, SEEK_SET)) == -1) {
- ALOGE("error seeking to offset %lld: %s\n", offset, strerror(errno));
+ ALOGE("error seeking to offset %" PRId64 ": %s", offset, strerror(errno));
return -1;
}
- size_t written = 0;
- while (written < size) {
- ssize_t wrote = TEMP_FAILURE_RETRY(write(wfd, buffer + written, size - written));
- if (wrote == -1) {
- ALOGE("error writing offset %lld: %s\n", (offset + written), strerror(errno));
- return -1;
- }
- written += wrote;
+ if (!android::base::WriteFully(wfd, buffer, size)) {
+ ALOGE("error writing offset %" PRId64 ": %s", offset, strerror(errno));
+ return -1;
}
return 0;
}
-static void add_block_to_ranges(int** ranges, int* range_alloc, int* range_used, int new_block) {
- // If the current block start is < 0, set the start to the new
- // block. (This only happens for the very first block of the very
- // first range.)
- if ((*ranges)[*range_used*2-2] < 0) {
- (*ranges)[*range_used*2-2] = new_block;
- (*ranges)[*range_used*2-1] = new_block;
- }
-
- if (new_block == (*ranges)[*range_used*2-1]) {
+static void add_block_to_ranges(std::vector<int>& ranges, int new_block) {
+ if (!ranges.empty() && new_block == ranges.back()) {
// If the new block comes immediately after the current range,
// all we have to do is extend the current range.
- ++(*ranges)[*range_used*2-1];
+ ++ranges.back();
} else {
// We need to start a new range.
-
- // If there isn't enough room in the array, we need to expand it.
- if (*range_used >= *range_alloc) {
- *range_alloc *= 2;
- *ranges = reinterpret_cast<int*>(realloc(*ranges, *range_alloc * 2 * sizeof(int)));
- }
-
- ++*range_used;
- (*ranges)[*range_used*2-2] = new_block;
- (*ranges)[*range_used*2-1] = new_block+1;
+ ranges.push_back(new_block);
+ ranges.push_back(new_block + 1);
}
}
@@ -117,13 +168,13 @@
// The fstab path is always "/fstab.${ro.hardware}".
char fstab_path[PATH_MAX+1] = "/fstab.";
if (!property_get("ro.hardware", fstab_path+strlen(fstab_path), "")) {
- ALOGE("failed to get ro.hardware\n");
+ ALOGE("failed to get ro.hardware");
return NULL;
}
fstab = fs_mgr_read_fstab(fstab_path);
if (!fstab) {
- ALOGE("failed to read %s\n", fstab_path);
+ ALOGE("failed to read %s", fstab_path);
return NULL;
}
@@ -159,101 +210,108 @@
return NULL;
}
+static bool write_status_to_socket(int status, int socket) {
+ int status_out = htonl(status);
+ return android::base::WriteFully(socket, &status_out, sizeof(int));
+}
+
// Parse uncrypt_file to find the update package name.
-static bool find_uncrypt_package(std::string& package_name)
-{
- if (!android::base::ReadFileToString(uncrypt_file, &package_name)) {
- ALOGE("failed to open \"%s\": %s\n", uncrypt_file.c_str(), strerror(errno));
+static bool find_uncrypt_package(const std::string& uncrypt_path_file, std::string* package_name) {
+ CHECK(package_name != nullptr);
+ std::string uncrypt_path;
+ if (!android::base::ReadFileToString(uncrypt_path_file, &uncrypt_path)) {
+ ALOGE("failed to open \"%s\": %s", uncrypt_path_file.c_str(), strerror(errno));
return false;
}
// Remove the trailing '\n' if present.
- package_name = android::base::Trim(package_name);
-
+ *package_name = android::base::Trim(uncrypt_path);
return true;
}
static int produce_block_map(const char* path, const char* map_file, const char* blk_dev,
- bool encrypted, int status_fd) {
- int mapfd = open(map_file, O_WRONLY | O_CREAT | O_SYNC, S_IRUSR | S_IWUSR);
- if (mapfd == -1) {
- ALOGE("failed to open %s\n", map_file);
+ bool encrypted, int socket) {
+ std::string err;
+ if (!android::base::RemoveFileIfExists(map_file, &err)) {
+ ALOGE("failed to remove the existing map file %s: %s", map_file, err.c_str());
return -1;
}
- FILE* mapf = fdopen(mapfd, "w");
+ std::string tmp_map_file = std::string(map_file) + ".tmp";
+ unique_fd mapfd(open(tmp_map_file.c_str(), O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR));
+ if (!mapfd) {
+ ALOGE("failed to open %s: %s\n", tmp_map_file.c_str(), strerror(errno));
+ return -1;
+ }
- // Make sure we can write to the status_file.
- if (!android::base::WriteStringToFd("0\n", status_fd)) {
- ALOGE("failed to update \"%s\"\n", status_file.c_str());
+ // Make sure we can write to the socket.
+ if (!write_status_to_socket(0, socket)) {
+ ALOGE("failed to write to socket %d\n", socket);
return -1;
}
struct stat sb;
- int ret = stat(path, &sb);
- if (ret != 0) {
- ALOGE("failed to stat %s\n", path);
+ if (stat(path, &sb) != 0) {
+ ALOGE("failed to stat %s", path);
return -1;
}
- ALOGI(" block size: %ld bytes\n", (long)sb.st_blksize);
+ ALOGI(" block size: %ld bytes", static_cast<long>(sb.st_blksize));
int blocks = ((sb.st_size-1) / sb.st_blksize) + 1;
- ALOGI(" file size: %lld bytes, %d blocks\n", (long long)sb.st_size, blocks);
+ ALOGI(" file size: %" PRId64 " bytes, %d blocks", sb.st_size, blocks);
- int range_alloc = 1;
- int range_used = 1;
- int* ranges = reinterpret_cast<int*>(malloc(range_alloc * 2 * sizeof(int)));
- ranges[0] = -1;
- ranges[1] = -1;
+ std::vector<int> ranges;
- fprintf(mapf, "%s\n%lld %lu\n", blk_dev, (long long)sb.st_size, (unsigned long)sb.st_blksize);
+ std::string s = android::base::StringPrintf("%s\n%" PRId64 " %ld\n",
+ blk_dev, sb.st_size, static_cast<long>(sb.st_blksize));
+ if (!android::base::WriteStringToFd(s, mapfd.get())) {
+ ALOGE("failed to write %s: %s", tmp_map_file.c_str(), strerror(errno));
+ return -1;
+ }
- unsigned char* buffers[WINDOW_SIZE];
+ std::vector<std::vector<unsigned char>> buffers;
if (encrypted) {
- for (size_t i = 0; i < WINDOW_SIZE; ++i) {
- buffers[i] = reinterpret_cast<unsigned char*>(malloc(sb.st_blksize));
- }
+ buffers.resize(WINDOW_SIZE, std::vector<unsigned char>(sb.st_blksize));
}
int head_block = 0;
int head = 0, tail = 0;
- size_t pos = 0;
- int fd = open(path, O_RDONLY);
- if (fd < 0) {
- ALOGE("failed to open fd for reading: %s\n", strerror(errno));
+ unique_fd fd(open(path, O_RDONLY));
+ if (!fd) {
+ ALOGE("failed to open %s for reading: %s", path, strerror(errno));
return -1;
}
- int wfd = -1;
+ unique_fd wfd(-1);
if (encrypted) {
- wfd = open(blk_dev, O_WRONLY | O_SYNC);
- if (wfd < 0) {
- ALOGE("failed to open fd for writing: %s\n", strerror(errno));
+ wfd = open(blk_dev, O_WRONLY);
+ if (!wfd) {
+ ALOGE("failed to open fd for writing: %s", strerror(errno));
return -1;
}
}
+ off64_t pos = 0;
int last_progress = 0;
while (pos < sb.st_size) {
// Update the status file, progress must be between [0, 99].
int progress = static_cast<int>(100 * (double(pos) / double(sb.st_size)));
if (progress > last_progress) {
- last_progress = progress;
- android::base::WriteStringToFd(std::to_string(progress) + "\n", status_fd);
+ last_progress = progress;
+ write_status_to_socket(progress, socket);
}
if ((tail+1) % WINDOW_SIZE == head) {
// write out head buffer
int block = head_block;
- ret = ioctl(fd, FIBMAP, &block);
- if (ret != 0) {
- ALOGE("failed to find block %d\n", head_block);
+ if (ioctl(fd.get(), FIBMAP, &block) != 0) {
+ ALOGE("failed to find block %d", head_block);
return -1;
}
- add_block_to_ranges(&ranges, &range_alloc, &range_used, block);
+ add_block_to_ranges(ranges, block);
if (encrypted) {
- if (write_at_offset(buffers[head], sb.st_blksize, wfd,
- (off64_t)sb.st_blksize * block) != 0) {
+ if (write_at_offset(buffers[head].data(), sb.st_blksize, wfd.get(),
+ static_cast<off64_t>(sb.st_blksize) * block) != 0) {
return -1;
}
}
@@ -263,17 +321,13 @@
// read next block to tail
if (encrypted) {
- size_t so_far = 0;
- while (so_far < sb.st_blksize && pos < sb.st_size) {
- ssize_t this_read =
- TEMP_FAILURE_RETRY(read(fd, buffers[tail] + so_far, sb.st_blksize - so_far));
- if (this_read == -1) {
- ALOGE("failed to read: %s\n", strerror(errno));
- return -1;
- }
- so_far += this_read;
- pos += this_read;
+ size_t to_read = static_cast<size_t>(
+ std::min(static_cast<off64_t>(sb.st_blksize), sb.st_size - pos));
+ if (!android::base::ReadFully(fd.get(), buffers[tail].data(), to_read)) {
+ ALOGE("failed to read: %s", strerror(errno));
+ return -1;
}
+ pos += to_read;
} else {
// If we're not encrypting; we don't need to actually read
// anything, just skip pos forward as if we'd read a
@@ -286,15 +340,14 @@
while (head != tail) {
// write out head buffer
int block = head_block;
- ret = ioctl(fd, FIBMAP, &block);
- if (ret != 0) {
- ALOGE("failed to find block %d\n", head_block);
+ if (ioctl(fd.get(), FIBMAP, &block) != 0) {
+ ALOGE("failed to find block %d", head_block);
return -1;
}
- add_block_to_ranges(&ranges, &range_alloc, &range_used, block);
+ add_block_to_ranges(ranges, block);
if (encrypted) {
- if (write_at_offset(buffers[head], sb.st_blksize, wfd,
- (off64_t)sb.st_blksize * block) != 0) {
+ if (write_at_offset(buffers[head].data(), sb.st_blksize, wfd.get(),
+ static_cast<off64_t>(sb.st_blksize) * block) != 0) {
return -1;
}
}
@@ -302,68 +355,66 @@
++head_block;
}
- fprintf(mapf, "%d\n", range_used);
- for (int i = 0; i < range_used; ++i) {
- fprintf(mapf, "%d %d\n", ranges[i*2], ranges[i*2+1]);
- }
-
- if (fsync(mapfd) == -1) {
- ALOGE("failed to fsync \"%s\": %s\n", map_file, strerror(errno));
+ if (!android::base::WriteStringToFd(
+ android::base::StringPrintf("%zu\n", ranges.size() / 2), mapfd.get())) {
+ ALOGE("failed to write %s: %s", tmp_map_file.c_str(), strerror(errno));
return -1;
}
- fclose(mapf);
- close(fd);
- if (encrypted) {
- if (fsync(wfd) == -1) {
- ALOGE("failed to fsync \"%s\": %s\n", blk_dev, strerror(errno));
+ for (size_t i = 0; i < ranges.size(); i += 2) {
+ if (!android::base::WriteStringToFd(
+ android::base::StringPrintf("%d %d\n", ranges[i], ranges[i+1]), mapfd.get())) {
+ ALOGE("failed to write %s: %s", tmp_map_file.c_str(), strerror(errno));
return -1;
}
- close(wfd);
}
+ if (fsync(mapfd.get()) == -1) {
+ ALOGE("failed to fsync \"%s\": %s", tmp_map_file.c_str(), strerror(errno));
+ return -1;
+ }
+ if (close(mapfd.get()) == -1) {
+ ALOGE("failed to close %s: %s", tmp_map_file.c_str(), strerror(errno));
+ return -1;
+ }
+ mapfd = -1;
+
+ if (encrypted) {
+ if (fsync(wfd.get()) == -1) {
+ ALOGE("failed to fsync \"%s\": %s", blk_dev, strerror(errno));
+ return -1;
+ }
+ if (close(wfd.get()) == -1) {
+ ALOGE("failed to close %s: %s", blk_dev, strerror(errno));
+ return -1;
+ }
+ wfd = -1;
+ }
+
+ if (rename(tmp_map_file.c_str(), map_file) == -1) {
+ ALOGE("failed to rename %s to %s: %s", tmp_map_file.c_str(), map_file, strerror(errno));
+ return -1;
+ }
+ // Sync dir to make rename() result written to disk.
+ std::string file_name = map_file;
+ std::string dir_name = dirname(&file_name[0]);
+ unique_fd dfd(open(dir_name.c_str(), O_RDONLY | O_DIRECTORY));
+ if (!dfd) {
+ ALOGE("failed to open dir %s: %s", dir_name.c_str(), strerror(errno));
+ return -1;
+ }
+ if (fsync(dfd.get()) == -1) {
+ ALOGE("failed to fsync %s: %s", dir_name.c_str(), strerror(errno));
+ return -1;
+ }
+ if (close(dfd.get()) == -1) {
+ ALOGE("failed to close %s: %s", dir_name.c_str(), strerror(errno));
+ return -1;
+ }
+ dfd = -1;
return 0;
}
-static void wipe_misc() {
- ALOGI("removing old commands from misc");
- for (int i = 0; i < fstab->num_entries; ++i) {
- struct fstab_rec* v = &fstab->recs[i];
- if (!v->mount_point) continue;
- if (strcmp(v->mount_point, "/misc") == 0) {
- int fd = open(v->blk_device, O_WRONLY | O_SYNC);
- uint8_t zeroes[1088]; // sizeof(bootloader_message) from recovery
- memset(zeroes, 0, sizeof(zeroes));
-
- size_t written = 0;
- size_t size = sizeof(zeroes);
- while (written < size) {
- ssize_t w = TEMP_FAILURE_RETRY(write(fd, zeroes, size-written));
- if (w == -1) {
- ALOGE("zero write failed: %s\n", strerror(errno));
- return;
- } else {
- written += w;
- }
- }
- if (fsync(fd) == -1) {
- ALOGE("failed to fsync \"%s\": %s\n", v->blk_device, strerror(errno));
- close(fd);
- return;
- }
- close(fd);
- }
- }
-}
-
-static void reboot_to_recovery() {
- ALOGI("rebooting to recovery");
- property_set("sys.powerctl", "reboot,recovery");
- sleep(10);
- ALOGE("reboot didn't succeed?");
-}
-
-int uncrypt(const char* input_path, const char* map_file, int status_fd) {
-
+static int uncrypt(const char* input_path, const char* map_file, const int socket) {
ALOGI("update package is \"%s\"", input_path);
// Turn the name of the file we're supposed to convert into an
@@ -374,10 +425,6 @@
return 1;
}
- if (read_fstab() == NULL) {
- return 1;
- }
-
bool encryptable;
bool encrypted;
const char* blk_dev = find_block_device(path, &encryptable, &encrypted);
@@ -389,8 +436,8 @@
// If the filesystem it's on isn't encrypted, we only produce the
// block map, we don't rewrite the file contents (it would be
// pointless to do so).
- ALOGI("encryptable: %s\n", encryptable ? "yes" : "no");
- ALOGI(" encrypted: %s\n", encrypted ? "yes" : "no");
+ ALOGI("encryptable: %s", encryptable ? "yes" : "no");
+ ALOGI(" encrypted: %s", encrypted ? "yes" : "no");
// Recovery supports installing packages from 3 paths: /cache,
// /data, and /sdcard. (On a particular device, other locations
@@ -401,7 +448,7 @@
// and /sdcard we leave the file alone.
if (strncmp(path, "/data/", 6) == 0) {
ALOGI("writing block map %s", map_file);
- if (produce_block_map(path, map_file, blk_dev, encrypted, status_fd) != 0) {
+ if (produce_block_map(path, map_file, blk_dev, encrypted, socket) != 0) {
return 1;
}
}
@@ -409,57 +456,141 @@
return 0;
}
-int main(int argc, char** argv) {
- const char* input_path;
- const char* map_file;
+static bool uncrypt_wrapper(const char* input_path, const char* map_file, const int socket) {
+ std::string package;
+ if (input_path == nullptr) {
+ if (!find_uncrypt_package(UNCRYPT_PATH_FILE, &package)) {
+ write_status_to_socket(-1, socket);
+ return false;
+ }
+ input_path = package.c_str();
+ }
+ CHECK(map_file != nullptr);
+ int status = uncrypt(input_path, map_file, socket);
+ if (status != 0) {
+ write_status_to_socket(-1, socket);
+ return false;
+ }
+ write_status_to_socket(100, socket);
+ return true;
+}
- if (argc != 3 && argc != 1 && (argc == 2 && strcmp(argv[1], "--reboot") != 0)) {
- fprintf(stderr, "usage: %s [--reboot] [<transform_path> <map_file>]\n", argv[0]);
+static bool clear_bcb(const int socket) {
+ std::string err;
+ if (!clear_bootloader_message(&err)) {
+ ALOGE("failed to clear bootloader message: %s", err.c_str());
+ write_status_to_socket(-1, socket);
+ return false;
+ }
+ write_status_to_socket(100, socket);
+ return true;
+}
+
+static bool setup_bcb(const int socket) {
+ // c5. receive message length
+ int length;
+ if (!android::base::ReadFully(socket, &length, 4)) {
+ ALOGE("failed to read the length: %s", strerror(errno));
+ return false;
+ }
+ length = ntohl(length);
+
+ // c7. receive message
+ std::string content;
+ content.resize(length);
+ if (!android::base::ReadFully(socket, &content[0], length)) {
+ ALOGE("failed to read the length: %s", strerror(errno));
+ return false;
+ }
+ ALOGI(" received command: [%s] (%zu)", content.c_str(), content.size());
+
+ // c8. setup the bcb command
+ std::string err;
+ if (!write_bootloader_message({content}, &err)) {
+ ALOGE("failed to set bootloader message: %s", err.c_str());
+ write_status_to_socket(-1, socket);
+ return false;
+ }
+ // c10. send "100" status
+ write_status_to_socket(100, socket);
+ return true;
+}
+
+static void usage(const char* exename) {
+ fprintf(stderr, "Usage of %s:\n", exename);
+ fprintf(stderr, "%s [<package_path> <map_file>] Uncrypt ota package.\n", exename);
+ fprintf(stderr, "%s --clear-bcb Clear BCB data in misc partition.\n", exename);
+ fprintf(stderr, "%s --setup-bcb Setup BCB data by command file.\n", exename);
+}
+
+int main(int argc, char** argv) {
+ enum { UNCRYPT, SETUP_BCB, CLEAR_BCB } action;
+ const char* input_path = nullptr;
+ const char* map_file = CACHE_BLOCK_MAP.c_str();
+
+ if (argc == 2 && strcmp(argv[1], "--clear-bcb") == 0) {
+ action = CLEAR_BCB;
+ } else if (argc == 2 && strcmp(argv[1], "--setup-bcb") == 0) {
+ action = SETUP_BCB;
+ } else if (argc == 1) {
+ action = UNCRYPT;
+ } else if (argc == 3) {
+ input_path = argv[1];
+ map_file = argv[2];
+ action = UNCRYPT;
+ } else {
+ usage(argv[0]);
return 2;
}
- // When uncrypt is started with "--reboot", it wipes misc and reboots.
- // Otherwise it uncrypts the package and writes the block map.
- if (argc == 2) {
- if (read_fstab() == NULL) {
- return 1;
- }
- wipe_misc();
- reboot_to_recovery();
- } else {
- // The pipe has been created by the system server.
- int status_fd = open(status_file.c_str(), O_WRONLY | O_CREAT | O_SYNC, S_IRUSR | S_IWUSR);
- if (status_fd == -1) {
- ALOGE("failed to open pipe \"%s\": %s\n", status_file.c_str(), strerror(errno));
- return 1;
- }
-
- if (argc == 3) {
- // when command-line args are given this binary is being used
- // for debugging.
- input_path = argv[1];
- map_file = argv[2];
- } else {
- std::string package;
- if (!find_uncrypt_package(package)) {
- android::base::WriteStringToFd("-1\n", status_fd);
- close(status_fd);
- return 1;
- }
- input_path = package.c_str();
- map_file = cache_block_map.c_str();
- }
-
- int status = uncrypt(input_path, map_file, status_fd);
- if (status != 0) {
- android::base::WriteStringToFd("-1\n", status_fd);
- close(status_fd);
- return 1;
- }
-
- android::base::WriteStringToFd("100\n", status_fd);
- close(status_fd);
+ if ((fstab = read_fstab()) == nullptr) {
+ return 1;
}
- return 0;
+ // c3. The socket is created by init when starting the service. uncrypt
+ // will use the socket to communicate with its caller.
+ unique_fd service_socket(android_get_control_socket(UNCRYPT_SOCKET.c_str()));
+ if (!service_socket) {
+ ALOGE("failed to open socket \"%s\": %s", UNCRYPT_SOCKET.c_str(), strerror(errno));
+ return 1;
+ }
+ fcntl(service_socket.get(), F_SETFD, FD_CLOEXEC);
+
+ if (listen(service_socket.get(), 1) == -1) {
+ ALOGE("failed to listen on socket %d: %s", service_socket.get(), strerror(errno));
+ return 1;
+ }
+
+ unique_fd socket_fd(accept4(service_socket.get(), nullptr, nullptr, SOCK_CLOEXEC));
+ if (!socket_fd) {
+ ALOGE("failed to accept on socket %d: %s", service_socket.get(), strerror(errno));
+ return 1;
+ }
+
+ bool success = false;
+ switch (action) {
+ case UNCRYPT:
+ success = uncrypt_wrapper(input_path, map_file, socket_fd.get());
+ break;
+ case SETUP_BCB:
+ success = setup_bcb(socket_fd.get());
+ break;
+ case CLEAR_BCB:
+ success = clear_bcb(socket_fd.get());
+ break;
+ default: // Should never happen.
+ ALOGE("Invalid uncrypt action code: %d", action);
+ return 1;
+ }
+
+ // c13. Read a 4-byte code from the client before uncrypt exits. This is to
+ // ensure the client to receive the last status code before the socket gets
+ // destroyed.
+ int code;
+ if (android::base::ReadFully(socket_fd.get(), &code, 4)) {
+ ALOGI(" received %d, exiting now", code);
+ } else {
+ ALOGE("failed to read the code: %s", strerror(errno));
+ }
+ return success ? 0 : 1;
}
diff --git a/uncrypt/uncrypt.rc b/uncrypt/uncrypt.rc
new file mode 100644
index 0000000..52f564e
--- /dev/null
+++ b/uncrypt/uncrypt.rc
@@ -0,0 +1,17 @@
+service uncrypt /system/bin/uncrypt
+ class main
+ socket uncrypt stream 600 system system
+ disabled
+ oneshot
+
+service setup-bcb /system/bin/uncrypt --setup-bcb
+ class main
+ socket uncrypt stream 600 system system
+ disabled
+ oneshot
+
+service clear-bcb /system/bin/uncrypt --clear-bcb
+ class main
+ socket uncrypt stream 600 system system
+ disabled
+ oneshot
diff --git a/unique_fd.h b/unique_fd.h
new file mode 100644
index 0000000..cc85383
--- /dev/null
+++ b/unique_fd.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef UNIQUE_FD_H
+#define UNIQUE_FD_H
+
+#include <stdio.h>
+
+#include <memory>
+
+class unique_fd {
+ public:
+ unique_fd(int fd) : fd_(fd) { }
+
+ unique_fd(unique_fd&& uf) {
+ fd_ = uf.fd_;
+ uf.fd_ = -1;
+ }
+
+ ~unique_fd() {
+ if (fd_ != -1) {
+ close(fd_);
+ }
+ }
+
+ int get() {
+ return fd_;
+ }
+
+ // Movable.
+ unique_fd& operator=(unique_fd&& uf) {
+ fd_ = uf.fd_;
+ uf.fd_ = -1;
+ return *this;
+ }
+
+ explicit operator bool() const {
+ return fd_ != -1;
+ }
+
+ private:
+ int fd_;
+
+ // Non-copyable.
+ unique_fd(const unique_fd&) = delete;
+ unique_fd& operator=(const unique_fd&) = delete;
+};
+
+#endif // UNIQUE_FD_H
diff --git a/update_verifier/Android.mk b/update_verifier/Android.mk
new file mode 100644
index 0000000..7f28bce
--- /dev/null
+++ b/update_verifier/Android.mk
@@ -0,0 +1,24 @@
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_CLANG := true
+LOCAL_SRC_FILES := update_verifier.cpp
+LOCAL_MODULE := update_verifier
+LOCAL_SHARED_LIBRARIES := libhardware liblog
+
+include $(BUILD_EXECUTABLE)
diff --git a/update_verifier/update_verifier.cpp b/update_verifier/update_verifier.cpp
new file mode 100644
index 0000000..be70cec
--- /dev/null
+++ b/update_verifier/update_verifier.cpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * This program verifies the integrity of the partitions after an A/B OTA
+ * update. It gets invoked by init, and will only perform the verification if
+ * it's the first boot post an A/B OTA update.
+ *
+ * It relies on dm-verity to capture any corruption on the partitions being
+ * verified. dm-verity must be in enforcing mode, so that it will reboot the
+ * device on dm-verity failures. When that happens, the bootloader should
+ * mark the slot as unbootable and stops trying. We should never see a device
+ * started in dm-verity logging mode but with isSlotMarkedSuccessful equals to
+ * 0.
+ *
+ * The current slot will be marked as having booted successfully if the
+ * verifier reaches the end after the verification.
+ *
+ * TODO: The actual verification part will be added later after we have the
+ * A/B OTA package format in place.
+ */
+
+#include <string.h>
+
+#include <hardware/boot_control.h>
+
+#define LOG_TAG "update_verifier"
+#include <log/log.h>
+
+int main(int argc, char** argv) {
+ for (int i = 1; i < argc; i++) {
+ SLOGI("Started with arg %d: %s\n", i, argv[i]);
+ }
+
+ const hw_module_t* hw_module;
+ if (hw_get_module("bootctrl", &hw_module) != 0) {
+ SLOGE("Error getting bootctrl module.\n");
+ return -1;
+ }
+
+ boot_control_module_t* module = reinterpret_cast<boot_control_module_t*>(
+ const_cast<hw_module_t*>(hw_module));
+ module->init(module);
+
+ unsigned current_slot = module->getCurrentSlot(module);
+ int is_successful= module->isSlotMarkedSuccessful(module, current_slot);
+ SLOGI("Booting slot %u: isSlotMarkedSuccessful=%d\n", current_slot, is_successful);
+
+ if (is_successful == 0) {
+ // The current slot has not booted successfully.
+
+ // TODO: Add the actual verification after we have the A/B OTA package
+ // format in place.
+
+ // TODO: Assert the dm-verity mode. Bootloader should never boot a newly
+ // flashed slot (isSlotMarkedSuccessful == 0) with dm-verity logging mode.
+
+ int ret = module->markBootSuccessful(module);
+ if (ret != 0) {
+ SLOGE("Error marking booted successfully: %s\n", strerror(-ret));
+ return -1;
+ }
+ SLOGI("Marked slot %u as booted successfully.\n", current_slot);
+ }
+
+ SLOGI("Leaving update_verifier.\n");
+ return 0;
+}
diff --git a/updater/Android.mk b/updater/Android.mk
index ff02a33..d7aa613 100644
--- a/updater/Android.mk
+++ b/updater/Android.mk
@@ -1,11 +1,23 @@
# Copyright 2009 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
LOCAL_PATH := $(call my-dir)
updater_src_files := \
- install.c \
- blockimg.c \
- updater.c
+ install.cpp \
+ blockimg.cpp \
+ updater.cpp
#
# Build a statically-linked binary to include in OTA packages
@@ -17,22 +29,25 @@
# needed only for OTA packages.)
LOCAL_MODULE_TAGS := eng
+LOCAL_CLANG := true
+
LOCAL_SRC_FILES := $(updater_src_files)
+LOCAL_STATIC_LIBRARIES += libfec libfec_rs libext4_utils_static libsquashfs_utils libcrypto_static
+
ifeq ($(TARGET_USERIMAGES_USE_EXT4), true)
LOCAL_CFLAGS += -DUSE_EXT4
LOCAL_CFLAGS += -Wno-unused-parameter
LOCAL_C_INCLUDES += system/extras/ext4_utils
LOCAL_STATIC_LIBRARIES += \
- libext4_utils_static \
libsparse_static \
libz
endif
LOCAL_STATIC_LIBRARIES += $(TARGET_RECOVERY_UPDATER_LIBS) $(TARGET_RECOVERY_UPDATER_EXTRA_LIBS)
-LOCAL_STATIC_LIBRARIES += libapplypatch libedify libmtdutils libminzip libz
-LOCAL_STATIC_LIBRARIES += libmincrypt libbz
-LOCAL_STATIC_LIBRARIES += libcutils liblog libstdc++ libc
+LOCAL_STATIC_LIBRARIES += libapplypatch libbase libotafault libedify libmtdutils libminzip libz
+LOCAL_STATIC_LIBRARIES += libbz
+LOCAL_STATIC_LIBRARIES += libcutils liblog libc
LOCAL_STATIC_LIBRARIES += libselinux
tune2fs_static_libraries := \
libext2_com_err \
diff --git a/updater/blockimg.c b/updater/blockimg.c
deleted file mode 100644
index b006d10..0000000
--- a/updater/blockimg.c
+++ /dev/null
@@ -1,1953 +0,0 @@
-/*
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <ctype.h>
-#include <errno.h>
-#include <dirent.h>
-#include <fcntl.h>
-#include <inttypes.h>
-#include <libgen.h>
-#include <pthread.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/ioctl.h>
-#include <time.h>
-#include <unistd.h>
-
-#include "applypatch/applypatch.h"
-#include "edify/expr.h"
-#include "mincrypt/sha.h"
-#include "minzip/Hash.h"
-#include "updater.h"
-
-#define BLOCKSIZE 4096
-
-// Set this to 0 to interpret 'erase' transfers to mean do a
-// BLKDISCARD ioctl (the normal behavior). Set to 1 to interpret
-// erase to mean fill the region with zeroes.
-#define DEBUG_ERASE 0
-
-#ifndef BLKDISCARD
-#define BLKDISCARD _IO(0x12,119)
-#endif
-
-#define STASH_DIRECTORY_BASE "/cache/recovery"
-#define STASH_DIRECTORY_MODE 0700
-#define STASH_FILE_MODE 0600
-
-char* PrintSha1(const uint8_t* digest);
-
-typedef struct {
- int count;
- int size;
- int pos[0];
-} RangeSet;
-
-static RangeSet* parse_range(char* text) {
- char* save;
- int num;
- num = strtol(strtok_r(text, ",", &save), NULL, 0);
-
- RangeSet* out = malloc(sizeof(RangeSet) + num * sizeof(int));
- if (out == NULL) {
- fprintf(stderr, "failed to allocate range of %zu bytes\n",
- sizeof(RangeSet) + num * sizeof(int));
- exit(1);
- }
- out->count = num / 2;
- out->size = 0;
- int i;
- for (i = 0; i < num; ++i) {
- out->pos[i] = strtol(strtok_r(NULL, ",", &save), NULL, 0);
- if (i%2) {
- out->size += out->pos[i];
- } else {
- out->size -= out->pos[i];
- }
- }
-
- return out;
-}
-
-static int range_overlaps(RangeSet* r1, RangeSet* r2) {
- int i, j, r1_0, r1_1, r2_0, r2_1;
-
- if (!r1 || !r2) {
- return 0;
- }
-
- for (i = 0; i < r1->count; ++i) {
- r1_0 = r1->pos[i * 2];
- r1_1 = r1->pos[i * 2 + 1];
-
- for (j = 0; j < r2->count; ++j) {
- r2_0 = r2->pos[j * 2];
- r2_1 = r2->pos[j * 2 + 1];
-
- if (!(r2_0 >= r1_1 || r1_0 >= r2_1)) {
- return 1;
- }
- }
- }
-
- return 0;
-}
-
-static int read_all(int fd, uint8_t* data, size_t size) {
- size_t so_far = 0;
- while (so_far < size) {
- ssize_t r = TEMP_FAILURE_RETRY(read(fd, data+so_far, size-so_far));
- if (r == -1) {
- fprintf(stderr, "read failed: %s\n", strerror(errno));
- return -1;
- }
- so_far += r;
- }
- return 0;
-}
-
-static int write_all(int fd, const uint8_t* data, size_t size) {
- size_t written = 0;
- while (written < size) {
- ssize_t w = TEMP_FAILURE_RETRY(write(fd, data+written, size-written));
- if (w == -1) {
- fprintf(stderr, "write failed: %s\n", strerror(errno));
- return -1;
- }
- written += w;
- }
-
- if (fsync(fd) == -1) {
- fprintf(stderr, "fsync failed: %s\n", strerror(errno));
- return -1;
- }
-
- return 0;
-}
-
-static bool check_lseek(int fd, off64_t offset, int whence) {
- off64_t rc = TEMP_FAILURE_RETRY(lseek64(fd, offset, whence));
- if (rc == -1) {
- fprintf(stderr, "lseek64 failed: %s\n", strerror(errno));
- return false;
- }
- return true;
-}
-
-static void allocate(size_t size, uint8_t** buffer, size_t* buffer_alloc) {
- // if the buffer's big enough, reuse it.
- if (size <= *buffer_alloc) return;
-
- free(*buffer);
-
- *buffer = (uint8_t*) malloc(size);
- if (*buffer == NULL) {
- fprintf(stderr, "failed to allocate %zu bytes\n", size);
- exit(1);
- }
- *buffer_alloc = size;
-}
-
-typedef struct {
- int fd;
- RangeSet* tgt;
- int p_block;
- size_t p_remain;
-} RangeSinkState;
-
-static ssize_t RangeSinkWrite(const uint8_t* data, ssize_t size, void* token) {
- RangeSinkState* rss = (RangeSinkState*) token;
-
- if (rss->p_remain <= 0) {
- fprintf(stderr, "range sink write overrun");
- return 0;
- }
-
- ssize_t written = 0;
- while (size > 0) {
- size_t write_now = size;
-
- if (rss->p_remain < write_now) {
- write_now = rss->p_remain;
- }
-
- if (write_all(rss->fd, data, write_now) == -1) {
- break;
- }
-
- data += write_now;
- size -= write_now;
-
- rss->p_remain -= write_now;
- written += write_now;
-
- if (rss->p_remain == 0) {
- // move to the next block
- ++rss->p_block;
- if (rss->p_block < rss->tgt->count) {
- rss->p_remain = (rss->tgt->pos[rss->p_block * 2 + 1] -
- rss->tgt->pos[rss->p_block * 2]) * BLOCKSIZE;
-
- if (!check_lseek(rss->fd, (off64_t)rss->tgt->pos[rss->p_block*2] * BLOCKSIZE,
- SEEK_SET)) {
- break;
- }
- } else {
- // we can't write any more; return how many bytes have
- // been written so far.
- break;
- }
- }
- }
-
- return written;
-}
-
-// All of the data for all the 'new' transfers is contained in one
-// file in the update package, concatenated together in the order in
-// which transfers.list will need it. We want to stream it out of the
-// archive (it's compressed) without writing it to a temp file, but we
-// can't write each section until it's that transfer's turn to go.
-//
-// To achieve this, we expand the new data from the archive in a
-// background thread, and block that threads 'receive uncompressed
-// data' function until the main thread has reached a point where we
-// want some new data to be written. We signal the background thread
-// with the destination for the data and block the main thread,
-// waiting for the background thread to complete writing that section.
-// Then it signals the main thread to wake up and goes back to
-// blocking waiting for a transfer.
-//
-// NewThreadInfo is the struct used to pass information back and forth
-// between the two threads. When the main thread wants some data
-// written, it sets rss to the destination location and signals the
-// condition. When the background thread is done writing, it clears
-// rss and signals the condition again.
-
-typedef struct {
- ZipArchive* za;
- const ZipEntry* entry;
-
- RangeSinkState* rss;
-
- pthread_mutex_t mu;
- pthread_cond_t cv;
-} NewThreadInfo;
-
-static bool receive_new_data(const unsigned char* data, int size, void* cookie) {
- NewThreadInfo* nti = (NewThreadInfo*) cookie;
-
- while (size > 0) {
- // Wait for nti->rss to be non-NULL, indicating some of this
- // data is wanted.
- pthread_mutex_lock(&nti->mu);
- while (nti->rss == NULL) {
- pthread_cond_wait(&nti->cv, &nti->mu);
- }
- pthread_mutex_unlock(&nti->mu);
-
- // At this point nti->rss is set, and we own it. The main
- // thread is waiting for it to disappear from nti.
- ssize_t written = RangeSinkWrite(data, size, nti->rss);
- data += written;
- size -= written;
-
- if (nti->rss->p_block == nti->rss->tgt->count) {
- // we have written all the bytes desired by this rss.
-
- pthread_mutex_lock(&nti->mu);
- nti->rss = NULL;
- pthread_cond_broadcast(&nti->cv);
- pthread_mutex_unlock(&nti->mu);
- }
- }
-
- return true;
-}
-
-static void* unzip_new_data(void* cookie) {
- NewThreadInfo* nti = (NewThreadInfo*) cookie;
- mzProcessZipEntryContents(nti->za, nti->entry, receive_new_data, nti);
- return NULL;
-}
-
-static int ReadBlocks(RangeSet* src, uint8_t* buffer, int fd) {
- int i;
- size_t p = 0;
- size_t size;
-
- if (!src || !buffer) {
- return -1;
- }
-
- for (i = 0; i < src->count; ++i) {
- if (!check_lseek(fd, (off64_t) src->pos[i * 2] * BLOCKSIZE, SEEK_SET)) {
- return -1;
- }
-
- size = (src->pos[i * 2 + 1] - src->pos[i * 2]) * BLOCKSIZE;
-
- if (read_all(fd, buffer + p, size) == -1) {
- return -1;
- }
-
- p += size;
- }
-
- return 0;
-}
-
-static int WriteBlocks(RangeSet* tgt, uint8_t* buffer, int fd) {
- int i;
- size_t p = 0;
- size_t size;
-
- if (!tgt || !buffer) {
- return -1;
- }
-
- for (i = 0; i < tgt->count; ++i) {
- if (!check_lseek(fd, (off64_t) tgt->pos[i * 2] * BLOCKSIZE, SEEK_SET)) {
- return -1;
- }
-
- size = (tgt->pos[i * 2 + 1] - tgt->pos[i * 2]) * BLOCKSIZE;
-
- if (write_all(fd, buffer + p, size) == -1) {
- return -1;
- }
-
- p += size;
- }
-
- return 0;
-}
-
-// Do a source/target load for move/bsdiff/imgdiff in version 1.
-// 'wordsave' is the save_ptr of a strtok_r()-in-progress. We expect
-// to parse the remainder of the string as:
-//
-// <src_range> <tgt_range>
-//
-// The source range is loaded into the provided buffer, reallocating
-// it to make it larger if necessary. The target ranges are returned
-// in *tgt, if tgt is non-NULL.
-
-static int LoadSrcTgtVersion1(char** wordsave, RangeSet** tgt, int* src_blocks,
- uint8_t** buffer, size_t* buffer_alloc, int fd) {
- char* word;
- int rc;
-
- word = strtok_r(NULL, " ", wordsave);
- RangeSet* src = parse_range(word);
-
- if (tgt != NULL) {
- word = strtok_r(NULL, " ", wordsave);
- *tgt = parse_range(word);
- }
-
- allocate(src->size * BLOCKSIZE, buffer, buffer_alloc);
- rc = ReadBlocks(src, *buffer, fd);
- *src_blocks = src->size;
-
- free(src);
- return rc;
-}
-
-static int VerifyBlocks(const char *expected, const uint8_t *buffer,
- size_t blocks, int printerror) {
- char* hexdigest = NULL;
- int rc = -1;
- uint8_t digest[SHA_DIGEST_SIZE];
-
- if (!expected || !buffer) {
- return rc;
- }
-
- SHA_hash(buffer, blocks * BLOCKSIZE, digest);
- hexdigest = PrintSha1(digest);
-
- if (hexdigest != NULL) {
- rc = strcmp(expected, hexdigest);
-
- if (rc != 0 && printerror) {
- fprintf(stderr, "failed to verify blocks (expected %s, read %s)\n",
- expected, hexdigest);
- }
-
- free(hexdigest);
- }
-
- return rc;
-}
-
-static char* GetStashFileName(const char* base, const char* id, const char* postfix) {
- char* fn;
- int len;
- int res;
-
- if (base == NULL) {
- return NULL;
- }
-
- if (id == NULL) {
- id = "";
- }
-
- if (postfix == NULL) {
- postfix = "";
- }
-
- len = strlen(STASH_DIRECTORY_BASE) + 1 + strlen(base) + 1 + strlen(id) + strlen(postfix) + 1;
- fn = malloc(len);
-
- if (fn == NULL) {
- fprintf(stderr, "failed to malloc %d bytes for fn\n", len);
- return NULL;
- }
-
- res = snprintf(fn, len, STASH_DIRECTORY_BASE "/%s/%s%s", base, id, postfix);
-
- if (res < 0 || res >= len) {
- fprintf(stderr, "failed to format file name (return value %d)\n", res);
- free(fn);
- return NULL;
- }
-
- return fn;
-}
-
-typedef void (*StashCallback)(const char*, void*);
-
-// Does a best effort enumeration of stash files. Ignores possible non-file
-// items in the stash directory and continues despite of errors. Calls the
-// 'callback' function for each file and passes 'data' to the function as a
-// parameter.
-
-static void EnumerateStash(const char* dirname, StashCallback callback, void* data) {
- char* fn;
- DIR* directory;
- int len;
- int res;
- struct dirent* item;
-
- if (dirname == NULL || callback == NULL) {
- return;
- }
-
- directory = opendir(dirname);
-
- if (directory == NULL) {
- if (errno != ENOENT) {
- fprintf(stderr, "opendir \"%s\" failed: %s\n", dirname, strerror(errno));
- }
- return;
- }
-
- while ((item = readdir(directory)) != NULL) {
- if (item->d_type != DT_REG) {
- continue;
- }
-
- len = strlen(dirname) + 1 + strlen(item->d_name) + 1;
- fn = malloc(len);
-
- if (fn == NULL) {
- fprintf(stderr, "failed to malloc %d bytes for fn\n", len);
- continue;
- }
-
- res = snprintf(fn, len, "%s/%s", dirname, item->d_name);
-
- if (res < 0 || res >= len) {
- fprintf(stderr, "failed to format file name (return value %d)\n", res);
- free(fn);
- continue;
- }
-
- callback(fn, data);
- free(fn);
- }
-
- if (closedir(directory) == -1) {
- fprintf(stderr, "closedir \"%s\" failed: %s\n", dirname, strerror(errno));
- }
-}
-
-static void UpdateFileSize(const char* fn, void* data) {
- int* size = (int*) data;
- struct stat st;
-
- if (!fn || !data) {
- return;
- }
-
- if (stat(fn, &st) == -1) {
- fprintf(stderr, "stat \"%s\" failed: %s\n", fn, strerror(errno));
- return;
- }
-
- *size += st.st_size;
-}
-
-// Deletes the stash directory and all files in it. Assumes that it only
-// contains files. There is nothing we can do about unlikely, but possible
-// errors, so they are merely logged.
-
-static void DeleteFile(const char* fn, void* data) {
- if (fn) {
- fprintf(stderr, "deleting %s\n", fn);
-
- if (unlink(fn) == -1 && errno != ENOENT) {
- fprintf(stderr, "unlink \"%s\" failed: %s\n", fn, strerror(errno));
- }
- }
-}
-
-static void DeletePartial(const char* fn, void* data) {
- if (fn && strstr(fn, ".partial") != NULL) {
- DeleteFile(fn, data);
- }
-}
-
-static void DeleteStash(const char* base) {
- char* dirname;
-
- if (base == NULL) {
- return;
- }
-
- dirname = GetStashFileName(base, NULL, NULL);
-
- if (dirname == NULL) {
- return;
- }
-
- fprintf(stderr, "deleting stash %s\n", base);
- EnumerateStash(dirname, DeleteFile, NULL);
-
- if (rmdir(dirname) == -1) {
- if (errno != ENOENT && errno != ENOTDIR) {
- fprintf(stderr, "rmdir \"%s\" failed: %s\n", dirname, strerror(errno));
- }
- }
-
- free(dirname);
-}
-
-static int LoadStash(const char* base, const char* id, int verify, int* blocks, uint8_t** buffer,
- size_t* buffer_alloc, int printnoent) {
- char *fn = NULL;
- int blockcount = 0;
- int fd = -1;
- int rc = -1;
- int res;
- struct stat st;
-
- if (!base || !id || !buffer || !buffer_alloc) {
- goto lsout;
- }
-
- if (!blocks) {
- blocks = &blockcount;
- }
-
- fn = GetStashFileName(base, id, NULL);
-
- if (fn == NULL) {
- goto lsout;
- }
-
- res = stat(fn, &st);
-
- if (res == -1) {
- if (errno != ENOENT || printnoent) {
- fprintf(stderr, "stat \"%s\" failed: %s\n", fn, strerror(errno));
- }
- goto lsout;
- }
-
- fprintf(stderr, " loading %s\n", fn);
-
- if ((st.st_size % BLOCKSIZE) != 0) {
- fprintf(stderr, "%s size %zd not multiple of block size %d", fn, st.st_size, BLOCKSIZE);
- goto lsout;
- }
-
- fd = TEMP_FAILURE_RETRY(open(fn, O_RDONLY));
-
- if (fd == -1) {
- fprintf(stderr, "open \"%s\" failed: %s\n", fn, strerror(errno));
- goto lsout;
- }
-
- allocate(st.st_size, buffer, buffer_alloc);
-
- if (read_all(fd, *buffer, st.st_size) == -1) {
- goto lsout;
- }
-
- *blocks = st.st_size / BLOCKSIZE;
-
- if (verify && VerifyBlocks(id, *buffer, *blocks, 1) != 0) {
- fprintf(stderr, "unexpected contents in %s\n", fn);
- DeleteFile(fn, NULL);
- goto lsout;
- }
-
- rc = 0;
-
-lsout:
- if (fd != -1) {
- close(fd);
- }
-
- if (fn) {
- free(fn);
- }
-
- return rc;
-}
-
-static int WriteStash(const char* base, const char* id, int blocks, uint8_t* buffer,
- int checkspace, int *exists) {
- char *fn = NULL;
- char *cn = NULL;
- int fd = -1;
- int rc = -1;
- int dfd = -1;
- int res;
- struct stat st;
-
- if (base == NULL || buffer == NULL) {
- goto wsout;
- }
-
- if (checkspace && CacheSizeCheck(blocks * BLOCKSIZE) != 0) {
- fprintf(stderr, "not enough space to write stash\n");
- goto wsout;
- }
-
- fn = GetStashFileName(base, id, ".partial");
- cn = GetStashFileName(base, id, NULL);
-
- if (fn == NULL || cn == NULL) {
- goto wsout;
- }
-
- if (exists) {
- res = stat(cn, &st);
-
- if (res == 0) {
- // The file already exists and since the name is the hash of the contents,
- // it's safe to assume the contents are identical (accidental hash collisions
- // are unlikely)
- fprintf(stderr, " skipping %d existing blocks in %s\n", blocks, cn);
- *exists = 1;
- rc = 0;
- goto wsout;
- }
-
- *exists = 0;
- }
-
- fprintf(stderr, " writing %d blocks to %s\n", blocks, cn);
-
- fd = TEMP_FAILURE_RETRY(open(fn, O_WRONLY | O_CREAT | O_TRUNC | O_SYNC, STASH_FILE_MODE));
-
- if (fd == -1) {
- fprintf(stderr, "failed to create \"%s\": %s\n", fn, strerror(errno));
- goto wsout;
- }
-
- if (write_all(fd, buffer, blocks * BLOCKSIZE) == -1) {
- goto wsout;
- }
-
- if (fsync(fd) == -1) {
- fprintf(stderr, "fsync \"%s\" failed: %s\n", fn, strerror(errno));
- goto wsout;
- }
-
- if (rename(fn, cn) == -1) {
- fprintf(stderr, "rename(\"%s\", \"%s\") failed: %s\n", fn, cn, strerror(errno));
- goto wsout;
- }
-
- const char* dname;
- dname = dirname(cn);
- dfd = TEMP_FAILURE_RETRY(open(dname, O_RDONLY | O_DIRECTORY));
-
- if (dfd == -1) {
- fprintf(stderr, "failed to open \"%s\" failed: %s\n", dname, strerror(errno));
- goto wsout;
- }
-
- if (fsync(dfd) == -1) {
- fprintf(stderr, "fsync \"%s\" failed: %s\n", dname, strerror(errno));
- goto wsout;
- }
-
- rc = 0;
-
-wsout:
- if (fd != -1) {
- close(fd);
- }
-
- if (dfd != -1) {
- close(dfd);
- }
-
- if (fn) {
- free(fn);
- }
-
- if (cn) {
- free(cn);
- }
-
- return rc;
-}
-
-// Creates a directory for storing stash files and checks if the /cache partition
-// hash enough space for the expected amount of blocks we need to store. Returns
-// >0 if we created the directory, zero if it existed already, and <0 of failure.
-
-static int CreateStash(State* state, int maxblocks, const char* blockdev, char** base) {
- char* dirname = NULL;
- const uint8_t* digest;
- int rc = -1;
- int res;
- int size = 0;
- SHA_CTX ctx;
- struct stat st;
-
- if (blockdev == NULL || base == NULL) {
- goto csout;
- }
-
- // Stash directory should be different for each partition to avoid conflicts
- // when updating multiple partitions at the same time, so we use the hash of
- // the block device name as the base directory
- SHA_init(&ctx);
- SHA_update(&ctx, blockdev, strlen(blockdev));
- digest = SHA_final(&ctx);
- *base = PrintSha1(digest);
-
- if (*base == NULL) {
- goto csout;
- }
-
- dirname = GetStashFileName(*base, NULL, NULL);
-
- if (dirname == NULL) {
- goto csout;
- }
-
- res = stat(dirname, &st);
-
- if (res == -1 && errno != ENOENT) {
- ErrorAbort(state, "stat \"%s\" failed: %s\n", dirname, strerror(errno));
- goto csout;
- } else if (res != 0) {
- fprintf(stderr, "creating stash %s\n", dirname);
- res = mkdir(dirname, STASH_DIRECTORY_MODE);
-
- if (res != 0) {
- ErrorAbort(state, "mkdir \"%s\" failed: %s\n", dirname, strerror(errno));
- goto csout;
- }
-
- if (CacheSizeCheck(maxblocks * BLOCKSIZE) != 0) {
- ErrorAbort(state, "not enough space for stash\n");
- goto csout;
- }
-
- rc = 1; // Created directory
- goto csout;
- }
-
- fprintf(stderr, "using existing stash %s\n", dirname);
-
- // If the directory already exists, calculate the space already allocated to
- // stash files and check if there's enough for all required blocks. Delete any
- // partially completed stash files first.
-
- EnumerateStash(dirname, DeletePartial, NULL);
- EnumerateStash(dirname, UpdateFileSize, &size);
-
- size = (maxblocks * BLOCKSIZE) - size;
-
- if (size > 0 && CacheSizeCheck(size) != 0) {
- ErrorAbort(state, "not enough space for stash (%d more needed)\n", size);
- goto csout;
- }
-
- rc = 0; // Using existing directory
-
-csout:
- if (dirname) {
- free(dirname);
- }
-
- return rc;
-}
-
-static int SaveStash(const char* base, char** wordsave, uint8_t** buffer, size_t* buffer_alloc,
- int fd, int usehash, int* isunresumable) {
- char *id = NULL;
- int res = -1;
- int blocks = 0;
-
- if (!wordsave || !buffer || !buffer_alloc || !isunresumable) {
- return -1;
- }
-
- id = strtok_r(NULL, " ", wordsave);
-
- if (id == NULL) {
- fprintf(stderr, "missing id field in stash command\n");
- return -1;
- }
-
- if (usehash && LoadStash(base, id, 1, &blocks, buffer, buffer_alloc, 0) == 0) {
- // Stash file already exists and has expected contents. Do not
- // read from source again, as the source may have been already
- // overwritten during a previous attempt.
- return 0;
- }
-
- if (LoadSrcTgtVersion1(wordsave, NULL, &blocks, buffer, buffer_alloc, fd) == -1) {
- return -1;
- }
-
- if (usehash && VerifyBlocks(id, *buffer, blocks, 1) != 0) {
- // Source blocks have unexpected contents. If we actually need this
- // data later, this is an unrecoverable error. However, the command
- // that uses the data may have already completed previously, so the
- // possible failure will occur during source block verification.
- fprintf(stderr, "failed to load source blocks for stash %s\n", id);
- return 0;
- }
-
- fprintf(stderr, "stashing %d blocks to %s\n", blocks, id);
- return WriteStash(base, id, blocks, *buffer, 0, NULL);
-}
-
-static int FreeStash(const char* base, const char* id) {
- char *fn = NULL;
-
- if (base == NULL || id == NULL) {
- return -1;
- }
-
- fn = GetStashFileName(base, id, NULL);
-
- if (fn == NULL) {
- return -1;
- }
-
- DeleteFile(fn, NULL);
- free(fn);
-
- return 0;
-}
-
-static void MoveRange(uint8_t* dest, RangeSet* locs, const uint8_t* source) {
- // source contains packed data, which we want to move to the
- // locations given in *locs in the dest buffer. source and dest
- // may be the same buffer.
-
- int start = locs->size;
- int i;
- for (i = locs->count-1; i >= 0; --i) {
- int blocks = locs->pos[i*2+1] - locs->pos[i*2];
- start -= blocks;
- memmove(dest + (locs->pos[i*2] * BLOCKSIZE), source + (start * BLOCKSIZE),
- blocks * BLOCKSIZE);
- }
-}
-
-// Do a source/target load for move/bsdiff/imgdiff in version 2.
-// 'wordsave' is the save_ptr of a strtok_r()-in-progress. We expect
-// to parse the remainder of the string as one of:
-//
-// <tgt_range> <src_block_count> <src_range>
-// (loads data from source image only)
-//
-// <tgt_range> <src_block_count> - <[stash_id:stash_range] ...>
-// (loads data from stashes only)
-//
-// <tgt_range> <src_block_count> <src_range> <src_loc> <[stash_id:stash_range] ...>
-// (loads data from both source image and stashes)
-//
-// On return, buffer is filled with the loaded source data (rearranged
-// and combined with stashed data as necessary). buffer may be
-// reallocated if needed to accommodate the source data. *tgt is the
-// target RangeSet. Any stashes required are loaded using LoadStash.
-
-static int LoadSrcTgtVersion2(char** wordsave, RangeSet** tgt, int* src_blocks,
- uint8_t** buffer, size_t* buffer_alloc, int fd,
- const char* stashbase, int* overlap) {
- char* word;
- char* colonsave;
- char* colon;
- int id;
- int res;
- RangeSet* locs;
- size_t stashalloc = 0;
- uint8_t* stash = NULL;
-
- if (tgt != NULL) {
- word = strtok_r(NULL, " ", wordsave);
- *tgt = parse_range(word);
- }
-
- word = strtok_r(NULL, " ", wordsave);
- *src_blocks = strtol(word, NULL, 0);
-
- allocate(*src_blocks * BLOCKSIZE, buffer, buffer_alloc);
-
- word = strtok_r(NULL, " ", wordsave);
- if (word[0] == '-' && word[1] == '\0') {
- // no source ranges, only stashes
- } else {
- RangeSet* src = parse_range(word);
- res = ReadBlocks(src, *buffer, fd);
-
- if (overlap && tgt) {
- *overlap = range_overlaps(src, *tgt);
- }
-
- free(src);
-
- if (res == -1) {
- return -1;
- }
-
- word = strtok_r(NULL, " ", wordsave);
- if (word == NULL) {
- // no stashes, only source range
- return 0;
- }
-
- locs = parse_range(word);
- MoveRange(*buffer, locs, *buffer);
- free(locs);
- }
-
- while ((word = strtok_r(NULL, " ", wordsave)) != NULL) {
- // Each word is a an index into the stash table, a colon, and
- // then a rangeset describing where in the source block that
- // stashed data should go.
- colonsave = NULL;
- colon = strtok_r(word, ":", &colonsave);
-
- res = LoadStash(stashbase, colon, 0, NULL, &stash, &stashalloc, 1);
-
- if (res == -1) {
- // These source blocks will fail verification if used later, but we
- // will let the caller decide if this is a fatal failure
- fprintf(stderr, "failed to load stash %s\n", colon);
- continue;
- }
-
- colon = strtok_r(NULL, ":", &colonsave);
- locs = parse_range(colon);
-
- MoveRange(*buffer, locs, stash);
- free(locs);
- }
-
- if (stash) {
- free(stash);
- }
-
- return 0;
-}
-
-// Parameters for transfer list command functions
-typedef struct {
- char* cmdname;
- char* cpos;
- char* freestash;
- char* stashbase;
- int canwrite;
- int createdstash;
- int fd;
- int foundwrites;
- int isunresumable;
- int version;
- int written;
- NewThreadInfo nti;
- pthread_t thread;
- size_t bufsize;
- uint8_t* buffer;
- uint8_t* patch_start;
-} CommandParameters;
-
-// Do a source/target load for move/bsdiff/imgdiff in version 3.
-//
-// Parameters are the same as for LoadSrcTgtVersion2, except for 'onehash', which
-// tells the function whether to expect separate source and targe block hashes, or
-// if they are both the same and only one hash should be expected, and
-// 'isunresumable', which receives a non-zero value if block verification fails in
-// a way that the update cannot be resumed anymore.
-//
-// If the function is unable to load the necessary blocks or their contents don't
-// match the hashes, the return value is -1 and the command should be aborted.
-//
-// If the return value is 1, the command has already been completed according to
-// the contents of the target blocks, and should not be performed again.
-//
-// If the return value is 0, source blocks have expected content and the command
-// can be performed.
-
-static int LoadSrcTgtVersion3(CommandParameters* params, RangeSet** tgt, int* src_blocks,
- int onehash, int* overlap) {
- char* srchash = NULL;
- char* tgthash = NULL;
- int stash_exists = 0;
- int overlap_blocks = 0;
- int rc = -1;
- uint8_t* tgtbuffer = NULL;
-
- if (!params|| !tgt || !src_blocks || !overlap) {
- goto v3out;
- }
-
- srchash = strtok_r(NULL, " ", ¶ms->cpos);
-
- if (srchash == NULL) {
- fprintf(stderr, "missing source hash\n");
- goto v3out;
- }
-
- if (onehash) {
- tgthash = srchash;
- } else {
- tgthash = strtok_r(NULL, " ", ¶ms->cpos);
-
- if (tgthash == NULL) {
- fprintf(stderr, "missing target hash\n");
- goto v3out;
- }
- }
-
- if (LoadSrcTgtVersion2(¶ms->cpos, tgt, src_blocks, ¶ms->buffer, ¶ms->bufsize,
- params->fd, params->stashbase, overlap) == -1) {
- goto v3out;
- }
-
- tgtbuffer = (uint8_t*) malloc((*tgt)->size * BLOCKSIZE);
-
- if (tgtbuffer == NULL) {
- fprintf(stderr, "failed to allocate %d bytes\n", (*tgt)->size * BLOCKSIZE);
- goto v3out;
- }
-
- if (ReadBlocks(*tgt, tgtbuffer, params->fd) == -1) {
- goto v3out;
- }
-
- if (VerifyBlocks(tgthash, tgtbuffer, (*tgt)->size, 0) == 0) {
- // Target blocks already have expected content, command should be skipped
- rc = 1;
- goto v3out;
- }
-
- if (VerifyBlocks(srchash, params->buffer, *src_blocks, 1) == 0) {
- // If source and target blocks overlap, stash the source blocks so we can
- // resume from possible write errors
- if (*overlap) {
- fprintf(stderr, "stashing %d overlapping blocks to %s\n", *src_blocks,
- srchash);
-
- if (WriteStash(params->stashbase, srchash, *src_blocks, params->buffer, 1,
- &stash_exists) != 0) {
- fprintf(stderr, "failed to stash overlapping source blocks\n");
- goto v3out;
- }
-
- // Can be deleted when the write has completed
- if (!stash_exists) {
- params->freestash = srchash;
- }
- }
-
- // Source blocks have expected content, command can proceed
- rc = 0;
- goto v3out;
- }
-
- if (*overlap && LoadStash(params->stashbase, srchash, 1, NULL, ¶ms->buffer,
- ¶ms->bufsize, 1) == 0) {
- // Overlapping source blocks were previously stashed, command can proceed.
- // We are recovering from an interrupted command, so we don't know if the
- // stash can safely be deleted after this command.
- rc = 0;
- goto v3out;
- }
-
- // Valid source data not available, update cannot be resumed
- fprintf(stderr, "partition has unexpected contents\n");
- params->isunresumable = 1;
-
-v3out:
- if (tgtbuffer) {
- free(tgtbuffer);
- }
-
- return rc;
-}
-
-static int PerformCommandMove(CommandParameters* params) {
- int blocks = 0;
- int overlap = 0;
- int rc = -1;
- int status = 0;
- RangeSet* tgt = NULL;
-
- if (!params) {
- goto pcmout;
- }
-
- if (params->version == 1) {
- status = LoadSrcTgtVersion1(¶ms->cpos, &tgt, &blocks, ¶ms->buffer,
- ¶ms->bufsize, params->fd);
- } else if (params->version == 2) {
- status = LoadSrcTgtVersion2(¶ms->cpos, &tgt, &blocks, ¶ms->buffer,
- ¶ms->bufsize, params->fd, params->stashbase, NULL);
- } else if (params->version >= 3) {
- status = LoadSrcTgtVersion3(params, &tgt, &blocks, 1, &overlap);
- }
-
- if (status == -1) {
- fprintf(stderr, "failed to read blocks for move\n");
- goto pcmout;
- }
-
- if (status == 0) {
- params->foundwrites = 1;
- } else if (params->foundwrites) {
- fprintf(stderr, "warning: commands executed out of order [%s]\n", params->cmdname);
- }
-
- if (params->canwrite) {
- if (status == 0) {
- fprintf(stderr, " moving %d blocks\n", blocks);
-
- if (WriteBlocks(tgt, params->buffer, params->fd) == -1) {
- goto pcmout;
- }
- } else {
- fprintf(stderr, "skipping %d already moved blocks\n", blocks);
- }
-
- }
-
- if (params->freestash) {
- FreeStash(params->stashbase, params->freestash);
- params->freestash = NULL;
- }
-
- params->written += tgt->size;
- rc = 0;
-
-pcmout:
- if (tgt) {
- free(tgt);
- }
-
- return rc;
-}
-
-static int PerformCommandStash(CommandParameters* params) {
- if (!params) {
- return -1;
- }
-
- return SaveStash(params->stashbase, ¶ms->cpos, ¶ms->buffer, ¶ms->bufsize,
- params->fd, (params->version >= 3), ¶ms->isunresumable);
-}
-
-static int PerformCommandFree(CommandParameters* params) {
- if (!params) {
- return -1;
- }
-
- if (params->createdstash || params->canwrite) {
- return FreeStash(params->stashbase, params->cpos);
- }
-
- return 0;
-}
-
-static int PerformCommandZero(CommandParameters* params) {
- char* range = NULL;
- int i;
- int j;
- int rc = -1;
- RangeSet* tgt = NULL;
-
- if (!params) {
- goto pczout;
- }
-
- range = strtok_r(NULL, " ", ¶ms->cpos);
-
- if (range == NULL) {
- fprintf(stderr, "missing target blocks for zero\n");
- goto pczout;
- }
-
- tgt = parse_range(range);
-
- fprintf(stderr, " zeroing %d blocks\n", tgt->size);
-
- allocate(BLOCKSIZE, ¶ms->buffer, ¶ms->bufsize);
- memset(params->buffer, 0, BLOCKSIZE);
-
- if (params->canwrite) {
- for (i = 0; i < tgt->count; ++i) {
- if (!check_lseek(params->fd, (off64_t) tgt->pos[i * 2] * BLOCKSIZE, SEEK_SET)) {
- goto pczout;
- }
-
- for (j = tgt->pos[i * 2]; j < tgt->pos[i * 2 + 1]; ++j) {
- if (write_all(params->fd, params->buffer, BLOCKSIZE) == -1) {
- goto pczout;
- }
- }
- }
- }
-
- if (params->cmdname[0] == 'z') {
- // Update only for the zero command, as the erase command will call
- // this if DEBUG_ERASE is defined.
- params->written += tgt->size;
- }
-
- rc = 0;
-
-pczout:
- if (tgt) {
- free(tgt);
- }
-
- return rc;
-}
-
-static int PerformCommandNew(CommandParameters* params) {
- char* range = NULL;
- int rc = -1;
- RangeSet* tgt = NULL;
- RangeSinkState rss;
-
- if (!params) {
- goto pcnout;
- }
-
- range = strtok_r(NULL, " ", ¶ms->cpos);
-
- if (range == NULL) {
- goto pcnout;
- }
-
- tgt = parse_range(range);
-
- if (params->canwrite) {
- fprintf(stderr, " writing %d blocks of new data\n", tgt->size);
-
- rss.fd = params->fd;
- rss.tgt = tgt;
- rss.p_block = 0;
- rss.p_remain = (tgt->pos[1] - tgt->pos[0]) * BLOCKSIZE;
-
- if (!check_lseek(params->fd, (off64_t) tgt->pos[0] * BLOCKSIZE, SEEK_SET)) {
- goto pcnout;
- }
-
- pthread_mutex_lock(¶ms->nti.mu);
- params->nti.rss = &rss;
- pthread_cond_broadcast(¶ms->nti.cv);
-
- while (params->nti.rss) {
- pthread_cond_wait(¶ms->nti.cv, ¶ms->nti.mu);
- }
-
- pthread_mutex_unlock(¶ms->nti.mu);
- }
-
- params->written += tgt->size;
- rc = 0;
-
-pcnout:
- if (tgt) {
- free(tgt);
- }
-
- return rc;
-}
-
-static int PerformCommandDiff(CommandParameters* params) {
- char* logparams = NULL;
- char* value = NULL;
- int blocks = 0;
- int overlap = 0;
- int rc = -1;
- int status = 0;
- RangeSet* tgt = NULL;
- RangeSinkState rss;
- size_t len = 0;
- size_t offset = 0;
- Value patch_value;
-
- if (!params) {
- goto pcdout;
- }
-
- logparams = strdup(params->cpos);
- value = strtok_r(NULL, " ", ¶ms->cpos);
-
- if (value == NULL) {
- fprintf(stderr, "missing patch offset for %s\n", params->cmdname);
- goto pcdout;
- }
-
- offset = strtoul(value, NULL, 0);
-
- value = strtok_r(NULL, " ", ¶ms->cpos);
-
- if (value == NULL) {
- fprintf(stderr, "missing patch length for %s\n", params->cmdname);
- goto pcdout;
- }
-
- len = strtoul(value, NULL, 0);
-
- if (params->version == 1) {
- status = LoadSrcTgtVersion1(¶ms->cpos, &tgt, &blocks, ¶ms->buffer,
- ¶ms->bufsize, params->fd);
- } else if (params->version == 2) {
- status = LoadSrcTgtVersion2(¶ms->cpos, &tgt, &blocks, ¶ms->buffer,
- ¶ms->bufsize, params->fd, params->stashbase, NULL);
- } else if (params->version >= 3) {
- status = LoadSrcTgtVersion3(params, &tgt, &blocks, 0, &overlap);
- }
-
- if (status == -1) {
- fprintf(stderr, "failed to read blocks for diff\n");
- goto pcdout;
- }
-
- if (status == 0) {
- params->foundwrites = 1;
- } else if (params->foundwrites) {
- fprintf(stderr, "warning: commands executed out of order [%s]\n", params->cmdname);
- }
-
- if (params->canwrite) {
- if (status == 0) {
- fprintf(stderr, "patching %d blocks to %d\n", blocks, tgt->size);
-
- patch_value.type = VAL_BLOB;
- patch_value.size = len;
- patch_value.data = (char*) (params->patch_start + offset);
-
- rss.fd = params->fd;
- rss.tgt = tgt;
- rss.p_block = 0;
- rss.p_remain = (tgt->pos[1] - tgt->pos[0]) * BLOCKSIZE;
-
- if (!check_lseek(params->fd, (off64_t) tgt->pos[0] * BLOCKSIZE, SEEK_SET)) {
- goto pcdout;
- }
-
- if (params->cmdname[0] == 'i') { // imgdiff
- ApplyImagePatch(params->buffer, blocks * BLOCKSIZE, &patch_value,
- &RangeSinkWrite, &rss, NULL, NULL);
- } else {
- ApplyBSDiffPatch(params->buffer, blocks * BLOCKSIZE, &patch_value,
- 0, &RangeSinkWrite, &rss, NULL);
- }
-
- // We expect the output of the patcher to fill the tgt ranges exactly.
- if (rss.p_block != tgt->count || rss.p_remain != 0) {
- fprintf(stderr, "range sink underrun?\n");
- }
- } else {
- fprintf(stderr, "skipping %d blocks already patched to %d [%s]\n",
- blocks, tgt->size, logparams);
- }
- }
-
- if (params->freestash) {
- FreeStash(params->stashbase, params->freestash);
- params->freestash = NULL;
- }
-
- params->written += tgt->size;
- rc = 0;
-
-pcdout:
- if (logparams) {
- free(logparams);
- }
-
- if (tgt) {
- free(tgt);
- }
-
- return rc;
-}
-
-static int PerformCommandErase(CommandParameters* params) {
- char* range = NULL;
- int i;
- int rc = -1;
- RangeSet* tgt = NULL;
- struct stat st;
- uint64_t blocks[2];
-
- if (DEBUG_ERASE) {
- return PerformCommandZero(params);
- }
-
- if (!params) {
- goto pceout;
- }
-
- if (fstat(params->fd, &st) == -1) {
- fprintf(stderr, "failed to fstat device to erase: %s\n", strerror(errno));
- goto pceout;
- }
-
- if (!S_ISBLK(st.st_mode)) {
- fprintf(stderr, "not a block device; skipping erase\n");
- goto pceout;
- }
-
- range = strtok_r(NULL, " ", ¶ms->cpos);
-
- if (range == NULL) {
- fprintf(stderr, "missing target blocks for zero\n");
- goto pceout;
- }
-
- tgt = parse_range(range);
-
- if (params->canwrite) {
- fprintf(stderr, " erasing %d blocks\n", tgt->size);
-
- for (i = 0; i < tgt->count; ++i) {
- // offset in bytes
- blocks[0] = tgt->pos[i * 2] * (uint64_t) BLOCKSIZE;
- // length in bytes
- blocks[1] = (tgt->pos[i * 2 + 1] - tgt->pos[i * 2]) * (uint64_t) BLOCKSIZE;
-
- if (ioctl(params->fd, BLKDISCARD, &blocks) == -1) {
- fprintf(stderr, "BLKDISCARD ioctl failed: %s\n", strerror(errno));
- goto pceout;
- }
- }
- }
-
- rc = 0;
-
-pceout:
- if (tgt) {
- free(tgt);
- }
-
- return rc;
-}
-
-// Definitions for transfer list command functions
-typedef int (*CommandFunction)(CommandParameters*);
-
-typedef struct {
- const char* name;
- CommandFunction f;
-} Command;
-
-// CompareCommands and CompareCommandNames are for the hash table
-
-static int CompareCommands(const void* c1, const void* c2) {
- return strcmp(((const Command*) c1)->name, ((const Command*) c2)->name);
-}
-
-static int CompareCommandNames(const void* c1, const void* c2) {
- return strcmp(((const Command*) c1)->name, (const char*) c2);
-}
-
-// HashString is used to hash command names for the hash table
-
-static unsigned int HashString(const char *s) {
- unsigned int hash = 0;
- if (s) {
- while (*s) {
- hash = hash * 33 + *s++;
- }
- }
- return hash;
-}
-
-// args:
-// - block device (or file) to modify in-place
-// - transfer list (blob)
-// - new data stream (filename within package.zip)
-// - patch stream (filename within package.zip, must be uncompressed)
-
-static Value* PerformBlockImageUpdate(const char* name, State* state, int argc, Expr* argv[],
- const Command* commands, int cmdcount, int dryrun) {
-
- char* line = NULL;
- char* linesave = NULL;
- char* logcmd = NULL;
- char* transfer_list = NULL;
- CommandParameters params;
- const Command* cmd = NULL;
- const ZipEntry* new_entry = NULL;
- const ZipEntry* patch_entry = NULL;
- FILE* cmd_pipe = NULL;
- HashTable* cmdht = NULL;
- int i;
- int res;
- int rc = -1;
- int stash_max_blocks = 0;
- int total_blocks = 0;
- pthread_attr_t attr;
- unsigned int cmdhash;
- UpdaterInfo* ui = NULL;
- Value* blockdev_filename = NULL;
- Value* new_data_fn = NULL;
- Value* patch_data_fn = NULL;
- Value* transfer_list_value = NULL;
- ZipArchive* za = NULL;
-
- memset(¶ms, 0, sizeof(params));
- params.canwrite = !dryrun;
-
- fprintf(stderr, "performing %s\n", dryrun ? "verification" : "update");
-
- if (ReadValueArgs(state, argv, 4, &blockdev_filename, &transfer_list_value,
- &new_data_fn, &patch_data_fn) < 0) {
- goto pbiudone;
- }
-
- if (blockdev_filename->type != VAL_STRING) {
- ErrorAbort(state, "blockdev_filename argument to %s must be string", name);
- goto pbiudone;
- }
- if (transfer_list_value->type != VAL_BLOB) {
- ErrorAbort(state, "transfer_list argument to %s must be blob", name);
- goto pbiudone;
- }
- if (new_data_fn->type != VAL_STRING) {
- ErrorAbort(state, "new_data_fn argument to %s must be string", name);
- goto pbiudone;
- }
- if (patch_data_fn->type != VAL_STRING) {
- ErrorAbort(state, "patch_data_fn argument to %s must be string", name);
- goto pbiudone;
- }
-
- ui = (UpdaterInfo*) state->cookie;
-
- if (ui == NULL) {
- goto pbiudone;
- }
-
- cmd_pipe = ui->cmd_pipe;
- za = ui->package_zip;
-
- if (cmd_pipe == NULL || za == NULL) {
- goto pbiudone;
- }
-
- patch_entry = mzFindZipEntry(za, patch_data_fn->data);
-
- if (patch_entry == NULL) {
- fprintf(stderr, "%s(): no file \"%s\" in package", name, patch_data_fn->data);
- goto pbiudone;
- }
-
- params.patch_start = ui->package_zip_addr + mzGetZipEntryOffset(patch_entry);
- new_entry = mzFindZipEntry(za, new_data_fn->data);
-
- if (new_entry == NULL) {
- fprintf(stderr, "%s(): no file \"%s\" in package", name, new_data_fn->data);
- goto pbiudone;
- }
-
- params.fd = TEMP_FAILURE_RETRY(open(blockdev_filename->data, O_RDWR));
-
- if (params.fd == -1) {
- fprintf(stderr, "open \"%s\" failed: %s\n", blockdev_filename->data, strerror(errno));
- goto pbiudone;
- }
-
- if (params.canwrite) {
- params.nti.za = za;
- params.nti.entry = new_entry;
-
- pthread_mutex_init(¶ms.nti.mu, NULL);
- pthread_cond_init(¶ms.nti.cv, NULL);
- pthread_attr_init(&attr);
- pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
-
- int error = pthread_create(¶ms.thread, &attr, unzip_new_data, ¶ms.nti);
- if (error != 0) {
- fprintf(stderr, "pthread_create failed: %s\n", strerror(error));
- goto pbiudone;
- }
- }
-
- // The data in transfer_list_value is not necessarily null-terminated, so we need
- // to copy it to a new buffer and add the null that strtok_r will need.
- transfer_list = malloc(transfer_list_value->size + 1);
-
- if (transfer_list == NULL) {
- fprintf(stderr, "failed to allocate %zd bytes for transfer list\n",
- transfer_list_value->size + 1);
- goto pbiudone;
- }
-
- memcpy(transfer_list, transfer_list_value->data, transfer_list_value->size);
- transfer_list[transfer_list_value->size] = '\0';
-
- // First line in transfer list is the version number
- line = strtok_r(transfer_list, "\n", &linesave);
- params.version = strtol(line, NULL, 0);
-
- if (params.version < 1 || params.version > 3) {
- fprintf(stderr, "unexpected transfer list version [%s]\n", line);
- goto pbiudone;
- }
-
- fprintf(stderr, "blockimg version is %d\n", params.version);
-
- // Second line in transfer list is the total number of blocks we expect to write
- line = strtok_r(NULL, "\n", &linesave);
- total_blocks = strtol(line, NULL, 0);
-
- if (total_blocks < 0) {
- ErrorAbort(state, "unexpected block count [%s]\n", line);
- goto pbiudone;
- } else if (total_blocks == 0) {
- rc = 0;
- goto pbiudone;
- }
-
- if (params.version >= 2) {
- // Third line is how many stash entries are needed simultaneously
- line = strtok_r(NULL, "\n", &linesave);
- fprintf(stderr, "maximum stash entries %s\n", line);
-
- // Fourth line is the maximum number of blocks that will be stashed simultaneously
- line = strtok_r(NULL, "\n", &linesave);
- stash_max_blocks = strtol(line, NULL, 0);
-
- if (stash_max_blocks < 0) {
- ErrorAbort(state, "unexpected maximum stash blocks [%s]\n", line);
- goto pbiudone;
- }
-
- if (stash_max_blocks >= 0) {
- res = CreateStash(state, stash_max_blocks, blockdev_filename->data,
- ¶ms.stashbase);
-
- if (res == -1) {
- goto pbiudone;
- }
-
- params.createdstash = res;
- }
- }
-
- // Build a hash table of the available commands
- cmdht = mzHashTableCreate(cmdcount, NULL);
-
- for (i = 0; i < cmdcount; ++i) {
- cmdhash = HashString(commands[i].name);
- mzHashTableLookup(cmdht, cmdhash, (void*) &commands[i], CompareCommands, true);
- }
-
- // Subsequent lines are all individual transfer commands
- for (line = strtok_r(NULL, "\n", &linesave); line;
- line = strtok_r(NULL, "\n", &linesave)) {
-
- logcmd = strdup(line);
- params.cmdname = strtok_r(line, " ", ¶ms.cpos);
-
- if (params.cmdname == NULL) {
- fprintf(stderr, "missing command [%s]\n", line);
- goto pbiudone;
- }
-
- cmdhash = HashString(params.cmdname);
- cmd = (const Command*) mzHashTableLookup(cmdht, cmdhash, params.cmdname,
- CompareCommandNames, false);
-
- if (cmd == NULL) {
- fprintf(stderr, "unexpected command [%s]\n", params.cmdname);
- goto pbiudone;
- }
-
- if (cmd->f != NULL && cmd->f(¶ms) == -1) {
- fprintf(stderr, "failed to execute command [%s]\n",
- logcmd ? logcmd : params.cmdname);
- goto pbiudone;
- }
-
- if (logcmd) {
- free(logcmd);
- logcmd = NULL;
- }
-
- if (params.canwrite) {
- fprintf(cmd_pipe, "set_progress %.4f\n", (double) params.written / total_blocks);
- fflush(cmd_pipe);
- }
- }
-
- if (params.canwrite) {
- pthread_join(params.thread, NULL);
-
- fprintf(stderr, "wrote %d blocks; expected %d\n", params.written, total_blocks);
- fprintf(stderr, "max alloc needed was %zu\n", params.bufsize);
-
- // Delete stash only after successfully completing the update, as it
- // may contain blocks needed to complete the update later.
- DeleteStash(params.stashbase);
- } else {
- fprintf(stderr, "verified partition contents; update may be resumed\n");
- }
-
- rc = 0;
-
-pbiudone:
- if (params.fd != -1) {
- if (fsync(params.fd) == -1) {
- fprintf(stderr, "fsync failed: %s\n", strerror(errno));
- }
- close(params.fd);
- }
-
- if (logcmd) {
- free(logcmd);
- }
-
- if (cmdht) {
- mzHashTableFree(cmdht);
- }
-
- if (params.buffer) {
- free(params.buffer);
- }
-
- if (transfer_list) {
- free(transfer_list);
- }
-
- if (blockdev_filename) {
- FreeValue(blockdev_filename);
- }
-
- if (transfer_list_value) {
- FreeValue(transfer_list_value);
- }
-
- if (new_data_fn) {
- FreeValue(new_data_fn);
- }
-
- if (patch_data_fn) {
- FreeValue(patch_data_fn);
- }
-
- // Only delete the stash if the update cannot be resumed, or it's
- // a verification run and we created the stash.
- if (params.isunresumable || (!params.canwrite && params.createdstash)) {
- DeleteStash(params.stashbase);
- }
-
- if (params.stashbase) {
- free(params.stashbase);
- }
-
- return StringValue(rc == 0 ? strdup("t") : strdup(""));
-}
-
-// The transfer list is a text file containing commands to
-// transfer data from one place to another on the target
-// partition. We parse it and execute the commands in order:
-//
-// zero [rangeset]
-// - fill the indicated blocks with zeros
-//
-// new [rangeset]
-// - fill the blocks with data read from the new_data file
-//
-// erase [rangeset]
-// - mark the given blocks as empty
-//
-// move <...>
-// bsdiff <patchstart> <patchlen> <...>
-// imgdiff <patchstart> <patchlen> <...>
-// - read the source blocks, apply a patch (or not in the
-// case of move), write result to target blocks. bsdiff or
-// imgdiff specifies the type of patch; move means no patch
-// at all.
-//
-// The format of <...> differs between versions 1 and 2;
-// see the LoadSrcTgtVersion{1,2}() functions for a
-// description of what's expected.
-//
-// stash <stash_id> <src_range>
-// - (version 2+ only) load the given source range and stash
-// the data in the given slot of the stash table.
-//
-// The creator of the transfer list will guarantee that no block
-// is read (ie, used as the source for a patch or move) after it
-// has been written.
-//
-// In version 2, the creator will guarantee that a given stash is
-// loaded (with a stash command) before it's used in a
-// move/bsdiff/imgdiff command.
-//
-// Within one command the source and target ranges may overlap so
-// in general we need to read the entire source into memory before
-// writing anything to the target blocks.
-//
-// All the patch data is concatenated into one patch_data file in
-// the update package. It must be stored uncompressed because we
-// memory-map it in directly from the archive. (Since patches are
-// already compressed, we lose very little by not compressing
-// their concatenation.)
-//
-// In version 3, commands that read data from the partition (i.e.
-// move/bsdiff/imgdiff/stash) have one or more additional hashes
-// before the range parameters, which are used to check if the
-// command has already been completed and verify the integrity of
-// the source data.
-
-Value* BlockImageVerifyFn(const char* name, State* state, int argc, Expr* argv[]) {
- // Commands which are not tested are set to NULL to skip them completely
- const Command commands[] = {
- { "bsdiff", PerformCommandDiff },
- { "erase", NULL },
- { "free", PerformCommandFree },
- { "imgdiff", PerformCommandDiff },
- { "move", PerformCommandMove },
- { "new", NULL },
- { "stash", PerformCommandStash },
- { "zero", NULL }
- };
-
- // Perform a dry run without writing to test if an update can proceed
- return PerformBlockImageUpdate(name, state, argc, argv, commands,
- sizeof(commands) / sizeof(commands[0]), 1);
-}
-
-Value* BlockImageUpdateFn(const char* name, State* state, int argc, Expr* argv[]) {
- const Command commands[] = {
- { "bsdiff", PerformCommandDiff },
- { "erase", PerformCommandErase },
- { "free", PerformCommandFree },
- { "imgdiff", PerformCommandDiff },
- { "move", PerformCommandMove },
- { "new", PerformCommandNew },
- { "stash", PerformCommandStash },
- { "zero", PerformCommandZero }
- };
-
- return PerformBlockImageUpdate(name, state, argc, argv, commands,
- sizeof(commands) / sizeof(commands[0]), 0);
-}
-
-Value* RangeSha1Fn(const char* name, State* state, int argc, Expr* argv[]) {
- Value* blockdev_filename;
- Value* ranges;
- const uint8_t* digest = NULL;
- if (ReadValueArgs(state, argv, 2, &blockdev_filename, &ranges) < 0) {
- return NULL;
- }
-
- if (blockdev_filename->type != VAL_STRING) {
- ErrorAbort(state, "blockdev_filename argument to %s must be string", name);
- goto done;
- }
- if (ranges->type != VAL_STRING) {
- ErrorAbort(state, "ranges argument to %s must be string", name);
- goto done;
- }
-
- int fd = open(blockdev_filename->data, O_RDWR);
- if (fd < 0) {
- ErrorAbort(state, "open \"%s\" failed: %s", blockdev_filename->data, strerror(errno));
- goto done;
- }
-
- RangeSet* rs = parse_range(ranges->data);
- uint8_t buffer[BLOCKSIZE];
-
- SHA_CTX ctx;
- SHA_init(&ctx);
-
- int i, j;
- for (i = 0; i < rs->count; ++i) {
- if (!check_lseek(fd, (off64_t)rs->pos[i*2] * BLOCKSIZE, SEEK_SET)) {
- ErrorAbort(state, "failed to seek %s: %s", blockdev_filename->data,
- strerror(errno));
- goto done;
- }
-
- for (j = rs->pos[i*2]; j < rs->pos[i*2+1]; ++j) {
- if (read_all(fd, buffer, BLOCKSIZE) == -1) {
- ErrorAbort(state, "failed to read %s: %s", blockdev_filename->data,
- strerror(errno));
- goto done;
- }
-
- SHA_update(&ctx, buffer, BLOCKSIZE);
- }
- }
- digest = SHA_final(&ctx);
- close(fd);
-
- done:
- FreeValue(blockdev_filename);
- FreeValue(ranges);
- if (digest == NULL) {
- return StringValue(strdup(""));
- } else {
- return StringValue(PrintSha1(digest));
- }
-}
-
-void RegisterBlockImageFunctions() {
- RegisterFunction("block_image_verify", BlockImageVerifyFn);
- RegisterFunction("block_image_update", BlockImageUpdateFn);
- RegisterFunction("range_sha1", RangeSha1Fn);
-}
diff --git a/updater/blockimg.cpp b/updater/blockimg.cpp
new file mode 100644
index 0000000..f795556
--- /dev/null
+++ b/updater/blockimg.cpp
@@ -0,0 +1,1912 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ctype.h>
+#include <errno.h>
+#include <dirent.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <linux/fs.h>
+#include <pthread.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/ioctl.h>
+#include <time.h>
+#include <unistd.h>
+#include <fec/io.h>
+
+#include <map>
+#include <memory>
+#include <string>
+#include <vector>
+
+#include <android-base/parseint.h>
+#include <android-base/strings.h>
+
+#include "applypatch/applypatch.h"
+#include "edify/expr.h"
+#include "error_code.h"
+#include "install.h"
+#include "openssl/sha.h"
+#include "minzip/Hash.h"
+#include "ota_io.h"
+#include "print_sha1.h"
+#include "unique_fd.h"
+#include "updater.h"
+
+#define BLOCKSIZE 4096
+
+// Set this to 0 to interpret 'erase' transfers to mean do a
+// BLKDISCARD ioctl (the normal behavior). Set to 1 to interpret
+// erase to mean fill the region with zeroes.
+#define DEBUG_ERASE 0
+
+#define STASH_DIRECTORY_BASE "/cache/recovery"
+#define STASH_DIRECTORY_MODE 0700
+#define STASH_FILE_MODE 0600
+
+struct RangeSet {
+ size_t count; // Limit is INT_MAX.
+ size_t size;
+ std::vector<size_t> pos; // Actual limit is INT_MAX.
+};
+
+static CauseCode failure_type = kNoCause;
+static bool is_retry = false;
+static std::map<std::string, RangeSet> stash_map;
+
+static void parse_range(const std::string& range_text, RangeSet& rs) {
+
+ std::vector<std::string> pieces = android::base::Split(range_text, ",");
+ if (pieces.size() < 3) {
+ goto err;
+ }
+
+ size_t num;
+ if (!android::base::ParseUint(pieces[0].c_str(), &num, static_cast<size_t>(INT_MAX))) {
+ goto err;
+ }
+
+ if (num == 0 || num % 2) {
+ goto err; // must be even
+ } else if (num != pieces.size() - 1) {
+ goto err;
+ }
+
+ rs.pos.resize(num);
+ rs.count = num / 2;
+ rs.size = 0;
+
+ for (size_t i = 0; i < num; i += 2) {
+ if (!android::base::ParseUint(pieces[i+1].c_str(), &rs.pos[i],
+ static_cast<size_t>(INT_MAX))) {
+ goto err;
+ }
+
+ if (!android::base::ParseUint(pieces[i+2].c_str(), &rs.pos[i+1],
+ static_cast<size_t>(INT_MAX))) {
+ goto err;
+ }
+
+ if (rs.pos[i] >= rs.pos[i+1]) {
+ goto err; // empty or negative range
+ }
+
+ size_t sz = rs.pos[i+1] - rs.pos[i];
+ if (rs.size > SIZE_MAX - sz) {
+ goto err; // overflow
+ }
+
+ rs.size += sz;
+ }
+
+ return;
+
+err:
+ fprintf(stderr, "failed to parse range '%s'\n", range_text.c_str());
+ exit(1);
+}
+
+static bool range_overlaps(const RangeSet& r1, const RangeSet& r2) {
+ for (size_t i = 0; i < r1.count; ++i) {
+ size_t r1_0 = r1.pos[i * 2];
+ size_t r1_1 = r1.pos[i * 2 + 1];
+
+ for (size_t j = 0; j < r2.count; ++j) {
+ size_t r2_0 = r2.pos[j * 2];
+ size_t r2_1 = r2.pos[j * 2 + 1];
+
+ if (!(r2_0 >= r1_1 || r1_0 >= r2_1)) {
+ return true;
+ }
+ }
+ }
+
+ return false;
+}
+
+static int read_all(int fd, uint8_t* data, size_t size) {
+ size_t so_far = 0;
+ while (so_far < size) {
+ ssize_t r = TEMP_FAILURE_RETRY(ota_read(fd, data+so_far, size-so_far));
+ if (r == -1) {
+ failure_type = kFreadFailure;
+ fprintf(stderr, "read failed: %s\n", strerror(errno));
+ return -1;
+ }
+ so_far += r;
+ }
+ return 0;
+}
+
+static int read_all(int fd, std::vector<uint8_t>& buffer, size_t size) {
+ return read_all(fd, buffer.data(), size);
+}
+
+static int write_all(int fd, const uint8_t* data, size_t size) {
+ size_t written = 0;
+ while (written < size) {
+ ssize_t w = TEMP_FAILURE_RETRY(ota_write(fd, data+written, size-written));
+ if (w == -1) {
+ failure_type = kFwriteFailure;
+ fprintf(stderr, "write failed: %s\n", strerror(errno));
+ return -1;
+ }
+ written += w;
+ }
+
+ return 0;
+}
+
+static int write_all(int fd, const std::vector<uint8_t>& buffer, size_t size) {
+ return write_all(fd, buffer.data(), size);
+}
+
+static bool discard_blocks(int fd, off64_t offset, uint64_t size) {
+ // Don't discard blocks unless the update is a retry run.
+ if (!is_retry) {
+ return true;
+ }
+
+ uint64_t args[2] = {static_cast<uint64_t>(offset), size};
+ int status = ioctl(fd, BLKDISCARD, &args);
+ if (status == -1) {
+ fprintf(stderr, "BLKDISCARD ioctl failed: %s\n", strerror(errno));
+ return false;
+ }
+ return true;
+}
+
+static bool check_lseek(int fd, off64_t offset, int whence) {
+ off64_t rc = TEMP_FAILURE_RETRY(lseek64(fd, offset, whence));
+ if (rc == -1) {
+ failure_type = kLseekFailure;
+ fprintf(stderr, "lseek64 failed: %s\n", strerror(errno));
+ return false;
+ }
+ return true;
+}
+
+static void allocate(size_t size, std::vector<uint8_t>& buffer) {
+ // if the buffer's big enough, reuse it.
+ if (size <= buffer.size()) return;
+
+ buffer.resize(size);
+}
+
+struct RangeSinkState {
+ RangeSinkState(RangeSet& rs) : tgt(rs) { };
+
+ int fd;
+ const RangeSet& tgt;
+ size_t p_block;
+ size_t p_remain;
+};
+
+static ssize_t RangeSinkWrite(const uint8_t* data, ssize_t size, void* token) {
+ RangeSinkState* rss = reinterpret_cast<RangeSinkState*>(token);
+
+ if (rss->p_remain == 0) {
+ fprintf(stderr, "range sink write overrun");
+ return 0;
+ }
+
+ ssize_t written = 0;
+ while (size > 0) {
+ size_t write_now = size;
+
+ if (rss->p_remain < write_now) {
+ write_now = rss->p_remain;
+ }
+
+ if (write_all(rss->fd, data, write_now) == -1) {
+ break;
+ }
+
+ data += write_now;
+ size -= write_now;
+
+ rss->p_remain -= write_now;
+ written += write_now;
+
+ if (rss->p_remain == 0) {
+ // move to the next block
+ ++rss->p_block;
+ if (rss->p_block < rss->tgt.count) {
+ rss->p_remain = (rss->tgt.pos[rss->p_block * 2 + 1] -
+ rss->tgt.pos[rss->p_block * 2]) * BLOCKSIZE;
+
+ off64_t offset = static_cast<off64_t>(rss->tgt.pos[rss->p_block*2]) * BLOCKSIZE;
+ if (!discard_blocks(rss->fd, offset, rss->p_remain)) {
+ break;
+ }
+
+ if (!check_lseek(rss->fd, offset, SEEK_SET)) {
+ break;
+ }
+
+ } else {
+ // we can't write any more; return how many bytes have
+ // been written so far.
+ break;
+ }
+ }
+ }
+
+ return written;
+}
+
+// All of the data for all the 'new' transfers is contained in one
+// file in the update package, concatenated together in the order in
+// which transfers.list will need it. We want to stream it out of the
+// archive (it's compressed) without writing it to a temp file, but we
+// can't write each section until it's that transfer's turn to go.
+//
+// To achieve this, we expand the new data from the archive in a
+// background thread, and block that threads 'receive uncompressed
+// data' function until the main thread has reached a point where we
+// want some new data to be written. We signal the background thread
+// with the destination for the data and block the main thread,
+// waiting for the background thread to complete writing that section.
+// Then it signals the main thread to wake up and goes back to
+// blocking waiting for a transfer.
+//
+// NewThreadInfo is the struct used to pass information back and forth
+// between the two threads. When the main thread wants some data
+// written, it sets rss to the destination location and signals the
+// condition. When the background thread is done writing, it clears
+// rss and signals the condition again.
+
+struct NewThreadInfo {
+ ZipArchive* za;
+ const ZipEntry* entry;
+
+ RangeSinkState* rss;
+
+ pthread_mutex_t mu;
+ pthread_cond_t cv;
+};
+
+static bool receive_new_data(const unsigned char* data, int size, void* cookie) {
+ NewThreadInfo* nti = reinterpret_cast<NewThreadInfo*>(cookie);
+
+ while (size > 0) {
+ // Wait for nti->rss to be non-null, indicating some of this
+ // data is wanted.
+ pthread_mutex_lock(&nti->mu);
+ while (nti->rss == nullptr) {
+ pthread_cond_wait(&nti->cv, &nti->mu);
+ }
+ pthread_mutex_unlock(&nti->mu);
+
+ // At this point nti->rss is set, and we own it. The main
+ // thread is waiting for it to disappear from nti.
+ ssize_t written = RangeSinkWrite(data, size, nti->rss);
+ data += written;
+ size -= written;
+
+ if (nti->rss->p_block == nti->rss->tgt.count) {
+ // we have written all the bytes desired by this rss.
+
+ pthread_mutex_lock(&nti->mu);
+ nti->rss = nullptr;
+ pthread_cond_broadcast(&nti->cv);
+ pthread_mutex_unlock(&nti->mu);
+ }
+ }
+
+ return true;
+}
+
+static void* unzip_new_data(void* cookie) {
+ NewThreadInfo* nti = (NewThreadInfo*) cookie;
+ mzProcessZipEntryContents(nti->za, nti->entry, receive_new_data, nti);
+ return nullptr;
+}
+
+static int ReadBlocks(const RangeSet& src, std::vector<uint8_t>& buffer, int fd) {
+ size_t p = 0;
+ uint8_t* data = buffer.data();
+
+ for (size_t i = 0; i < src.count; ++i) {
+ if (!check_lseek(fd, (off64_t) src.pos[i * 2] * BLOCKSIZE, SEEK_SET)) {
+ return -1;
+ }
+
+ size_t size = (src.pos[i * 2 + 1] - src.pos[i * 2]) * BLOCKSIZE;
+
+ if (read_all(fd, data + p, size) == -1) {
+ return -1;
+ }
+
+ p += size;
+ }
+
+ return 0;
+}
+
+static int WriteBlocks(const RangeSet& tgt, const std::vector<uint8_t>& buffer, int fd) {
+ const uint8_t* data = buffer.data();
+
+ size_t p = 0;
+ for (size_t i = 0; i < tgt.count; ++i) {
+ off64_t offset = static_cast<off64_t>(tgt.pos[i * 2]) * BLOCKSIZE;
+ size_t size = (tgt.pos[i * 2 + 1] - tgt.pos[i * 2]) * BLOCKSIZE;
+ if (!discard_blocks(fd, offset, size)) {
+ return -1;
+ }
+
+ if (!check_lseek(fd, offset, SEEK_SET)) {
+ return -1;
+ }
+
+ if (write_all(fd, data + p, size) == -1) {
+ return -1;
+ }
+
+ p += size;
+ }
+
+ return 0;
+}
+
+// Parameters for transfer list command functions
+struct CommandParameters {
+ std::vector<std::string> tokens;
+ size_t cpos;
+ const char* cmdname;
+ const char* cmdline;
+ std::string freestash;
+ std::string stashbase;
+ bool canwrite;
+ int createdstash;
+ int fd;
+ bool foundwrites;
+ bool isunresumable;
+ int version;
+ size_t written;
+ size_t stashed;
+ NewThreadInfo nti;
+ pthread_t thread;
+ std::vector<uint8_t> buffer;
+ uint8_t* patch_start;
+};
+
+// Do a source/target load for move/bsdiff/imgdiff in version 1.
+// We expect to parse the remainder of the parameter tokens as:
+//
+// <src_range> <tgt_range>
+//
+// The source range is loaded into the provided buffer, reallocating
+// it to make it larger if necessary.
+
+static int LoadSrcTgtVersion1(CommandParameters& params, RangeSet& tgt, size_t& src_blocks,
+ std::vector<uint8_t>& buffer, int fd) {
+
+ if (params.cpos + 1 >= params.tokens.size()) {
+ fprintf(stderr, "invalid parameters\n");
+ return -1;
+ }
+
+ // <src_range>
+ RangeSet src;
+ parse_range(params.tokens[params.cpos++], src);
+
+ // <tgt_range>
+ parse_range(params.tokens[params.cpos++], tgt);
+
+ allocate(src.size * BLOCKSIZE, buffer);
+ int rc = ReadBlocks(src, buffer, fd);
+ src_blocks = src.size;
+
+ return rc;
+}
+
+static int VerifyBlocks(const std::string& expected, const std::vector<uint8_t>& buffer,
+ const size_t blocks, bool printerror) {
+ uint8_t digest[SHA_DIGEST_LENGTH];
+ const uint8_t* data = buffer.data();
+
+ SHA1(data, blocks * BLOCKSIZE, digest);
+
+ std::string hexdigest = print_sha1(digest);
+
+ if (hexdigest != expected) {
+ if (printerror) {
+ fprintf(stderr, "failed to verify blocks (expected %s, read %s)\n",
+ expected.c_str(), hexdigest.c_str());
+ }
+ return -1;
+ }
+
+ return 0;
+}
+
+static std::string GetStashFileName(const std::string& base, const std::string& id,
+ const std::string& postfix) {
+ if (base.empty()) {
+ return "";
+ }
+
+ std::string fn(STASH_DIRECTORY_BASE);
+ fn += "/" + base + "/" + id + postfix;
+
+ return fn;
+}
+
+typedef void (*StashCallback)(const std::string&, void*);
+
+// Does a best effort enumeration of stash files. Ignores possible non-file
+// items in the stash directory and continues despite of errors. Calls the
+// 'callback' function for each file and passes 'data' to the function as a
+// parameter.
+
+static void EnumerateStash(const std::string& dirname, StashCallback callback, void* data) {
+ if (dirname.empty() || callback == nullptr) {
+ return;
+ }
+
+ std::unique_ptr<DIR, int(*)(DIR*)> directory(opendir(dirname.c_str()), closedir);
+
+ if (directory == nullptr) {
+ if (errno != ENOENT) {
+ fprintf(stderr, "opendir \"%s\" failed: %s\n", dirname.c_str(), strerror(errno));
+ }
+ return;
+ }
+
+ struct dirent* item;
+ while ((item = readdir(directory.get())) != nullptr) {
+ if (item->d_type != DT_REG) {
+ continue;
+ }
+
+ std::string fn = dirname + "/" + std::string(item->d_name);
+ callback(fn, data);
+ }
+}
+
+static void UpdateFileSize(const std::string& fn, void* data) {
+ if (fn.empty() || !data) {
+ return;
+ }
+
+ struct stat sb;
+ if (stat(fn.c_str(), &sb) == -1) {
+ fprintf(stderr, "stat \"%s\" failed: %s\n", fn.c_str(), strerror(errno));
+ return;
+ }
+
+ int* size = reinterpret_cast<int*>(data);
+ *size += sb.st_size;
+}
+
+// Deletes the stash directory and all files in it. Assumes that it only
+// contains files. There is nothing we can do about unlikely, but possible
+// errors, so they are merely logged.
+
+static void DeleteFile(const std::string& fn, void* /* data */) {
+ if (!fn.empty()) {
+ fprintf(stderr, "deleting %s\n", fn.c_str());
+
+ if (unlink(fn.c_str()) == -1 && errno != ENOENT) {
+ fprintf(stderr, "unlink \"%s\" failed: %s\n", fn.c_str(), strerror(errno));
+ }
+ }
+}
+
+static void DeletePartial(const std::string& fn, void* data) {
+ if (android::base::EndsWith(fn, ".partial")) {
+ DeleteFile(fn, data);
+ }
+}
+
+static void DeleteStash(const std::string& base) {
+ if (base.empty()) {
+ return;
+ }
+
+ fprintf(stderr, "deleting stash %s\n", base.c_str());
+
+ std::string dirname = GetStashFileName(base, "", "");
+ EnumerateStash(dirname, DeleteFile, nullptr);
+
+ if (rmdir(dirname.c_str()) == -1) {
+ if (errno != ENOENT && errno != ENOTDIR) {
+ fprintf(stderr, "rmdir \"%s\" failed: %s\n", dirname.c_str(), strerror(errno));
+ }
+ }
+}
+
+static int LoadStash(CommandParameters& params, const std::string& base, const std::string& id,
+ bool verify, size_t* blocks, std::vector<uint8_t>& buffer, bool printnoent) {
+ // In verify mode, if source range_set was saved for the given hash,
+ // check contents in the source blocks first. If the check fails,
+ // search for the stashed files on /cache as usual.
+ if (!params.canwrite) {
+ if (stash_map.find(id) != stash_map.end()) {
+ const RangeSet& src = stash_map[id];
+ allocate(src.size * BLOCKSIZE, buffer);
+
+ if (ReadBlocks(src, buffer, params.fd) == -1) {
+ fprintf(stderr, "failed to read source blocks in stash map.\n");
+ return -1;
+ }
+ if (VerifyBlocks(id, buffer, src.size, true) != 0) {
+ fprintf(stderr, "failed to verify loaded source blocks in stash map.\n");
+ return -1;
+ }
+ return 0;
+ }
+ }
+
+ if (base.empty()) {
+ return -1;
+ }
+
+ size_t blockcount = 0;
+
+ if (!blocks) {
+ blocks = &blockcount;
+ }
+
+ std::string fn = GetStashFileName(base, id, "");
+
+ struct stat sb;
+ int res = stat(fn.c_str(), &sb);
+
+ if (res == -1) {
+ if (errno != ENOENT || printnoent) {
+ fprintf(stderr, "stat \"%s\" failed: %s\n", fn.c_str(), strerror(errno));
+ }
+ return -1;
+ }
+
+ fprintf(stderr, " loading %s\n", fn.c_str());
+
+ if ((sb.st_size % BLOCKSIZE) != 0) {
+ fprintf(stderr, "%s size %" PRId64 " not multiple of block size %d",
+ fn.c_str(), static_cast<int64_t>(sb.st_size), BLOCKSIZE);
+ return -1;
+ }
+
+ int fd = TEMP_FAILURE_RETRY(open(fn.c_str(), O_RDONLY));
+ unique_fd fd_holder(fd);
+
+ if (fd == -1) {
+ fprintf(stderr, "open \"%s\" failed: %s\n", fn.c_str(), strerror(errno));
+ return -1;
+ }
+
+ allocate(sb.st_size, buffer);
+
+ if (read_all(fd, buffer, sb.st_size) == -1) {
+ return -1;
+ }
+
+ *blocks = sb.st_size / BLOCKSIZE;
+
+ if (verify && VerifyBlocks(id, buffer, *blocks, true) != 0) {
+ fprintf(stderr, "unexpected contents in %s\n", fn.c_str());
+ DeleteFile(fn, nullptr);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int WriteStash(const std::string& base, const std::string& id, int blocks,
+ std::vector<uint8_t>& buffer, bool checkspace, bool *exists) {
+ if (base.empty()) {
+ return -1;
+ }
+
+ if (checkspace && CacheSizeCheck(blocks * BLOCKSIZE) != 0) {
+ fprintf(stderr, "not enough space to write stash\n");
+ return -1;
+ }
+
+ std::string fn = GetStashFileName(base, id, ".partial");
+ std::string cn = GetStashFileName(base, id, "");
+
+ if (exists) {
+ struct stat sb;
+ int res = stat(cn.c_str(), &sb);
+
+ if (res == 0) {
+ // The file already exists and since the name is the hash of the contents,
+ // it's safe to assume the contents are identical (accidental hash collisions
+ // are unlikely)
+ fprintf(stderr, " skipping %d existing blocks in %s\n", blocks, cn.c_str());
+ *exists = true;
+ return 0;
+ }
+
+ *exists = false;
+ }
+
+ fprintf(stderr, " writing %d blocks to %s\n", blocks, cn.c_str());
+
+ int fd = TEMP_FAILURE_RETRY(open(fn.c_str(), O_WRONLY | O_CREAT | O_TRUNC, STASH_FILE_MODE));
+ unique_fd fd_holder(fd);
+
+ if (fd == -1) {
+ fprintf(stderr, "failed to create \"%s\": %s\n", fn.c_str(), strerror(errno));
+ return -1;
+ }
+
+ if (write_all(fd, buffer, blocks * BLOCKSIZE) == -1) {
+ return -1;
+ }
+
+ if (ota_fsync(fd) == -1) {
+ failure_type = kFsyncFailure;
+ fprintf(stderr, "fsync \"%s\" failed: %s\n", fn.c_str(), strerror(errno));
+ return -1;
+ }
+
+ if (rename(fn.c_str(), cn.c_str()) == -1) {
+ fprintf(stderr, "rename(\"%s\", \"%s\") failed: %s\n", fn.c_str(), cn.c_str(),
+ strerror(errno));
+ return -1;
+ }
+
+ std::string dname = GetStashFileName(base, "", "");
+ int dfd = TEMP_FAILURE_RETRY(open(dname.c_str(), O_RDONLY | O_DIRECTORY));
+ unique_fd dfd_holder(dfd);
+
+ if (dfd == -1) {
+ failure_type = kFileOpenFailure;
+ fprintf(stderr, "failed to open \"%s\" failed: %s\n", dname.c_str(), strerror(errno));
+ return -1;
+ }
+
+ if (ota_fsync(dfd) == -1) {
+ failure_type = kFsyncFailure;
+ fprintf(stderr, "fsync \"%s\" failed: %s\n", dname.c_str(), strerror(errno));
+ return -1;
+ }
+
+ return 0;
+}
+
+// Creates a directory for storing stash files and checks if the /cache partition
+// hash enough space for the expected amount of blocks we need to store. Returns
+// >0 if we created the directory, zero if it existed already, and <0 of failure.
+
+static int CreateStash(State* state, int maxblocks, const char* blockdev, std::string& base) {
+ if (blockdev == nullptr) {
+ return -1;
+ }
+
+ // Stash directory should be different for each partition to avoid conflicts
+ // when updating multiple partitions at the same time, so we use the hash of
+ // the block device name as the base directory
+ uint8_t digest[SHA_DIGEST_LENGTH];
+ SHA1(reinterpret_cast<const uint8_t*>(blockdev), strlen(blockdev), digest);
+ base = print_sha1(digest);
+
+ std::string dirname = GetStashFileName(base, "", "");
+ struct stat sb;
+ int res = stat(dirname.c_str(), &sb);
+
+ if (res == -1 && errno != ENOENT) {
+ ErrorAbort(state, kStashCreationFailure, "stat \"%s\" failed: %s\n",
+ dirname.c_str(), strerror(errno));
+ return -1;
+ } else if (res != 0) {
+ fprintf(stderr, "creating stash %s\n", dirname.c_str());
+ res = mkdir(dirname.c_str(), STASH_DIRECTORY_MODE);
+
+ if (res != 0) {
+ ErrorAbort(state, kStashCreationFailure, "mkdir \"%s\" failed: %s\n",
+ dirname.c_str(), strerror(errno));
+ return -1;
+ }
+
+ if (CacheSizeCheck(maxblocks * BLOCKSIZE) != 0) {
+ ErrorAbort(state, kStashCreationFailure, "not enough space for stash\n");
+ return -1;
+ }
+
+ return 1; // Created directory
+ }
+
+ fprintf(stderr, "using existing stash %s\n", dirname.c_str());
+
+ // If the directory already exists, calculate the space already allocated to
+ // stash files and check if there's enough for all required blocks. Delete any
+ // partially completed stash files first.
+
+ EnumerateStash(dirname, DeletePartial, nullptr);
+ int size = 0;
+ EnumerateStash(dirname, UpdateFileSize, &size);
+
+ size = maxblocks * BLOCKSIZE - size;
+
+ if (size > 0 && CacheSizeCheck(size) != 0) {
+ ErrorAbort(state, kStashCreationFailure, "not enough space for stash (%d more needed)\n",
+ size);
+ return -1;
+ }
+
+ return 0; // Using existing directory
+}
+
+static int SaveStash(CommandParameters& params, const std::string& base,
+ std::vector<uint8_t>& buffer, int fd, bool usehash) {
+
+ // <stash_id> <src_range>
+ if (params.cpos + 1 >= params.tokens.size()) {
+ fprintf(stderr, "missing id and/or src range fields in stash command\n");
+ return -1;
+ }
+ const std::string& id = params.tokens[params.cpos++];
+
+ size_t blocks = 0;
+ if (usehash && LoadStash(params, base, id, true, &blocks, buffer, false) == 0) {
+ // Stash file already exists and has expected contents. Do not
+ // read from source again, as the source may have been already
+ // overwritten during a previous attempt.
+ return 0;
+ }
+
+ RangeSet src;
+ parse_range(params.tokens[params.cpos++], src);
+
+ allocate(src.size * BLOCKSIZE, buffer);
+ if (ReadBlocks(src, buffer, fd) == -1) {
+ return -1;
+ }
+ blocks = src.size;
+
+ if (usehash && VerifyBlocks(id, buffer, blocks, true) != 0) {
+ // Source blocks have unexpected contents. If we actually need this
+ // data later, this is an unrecoverable error. However, the command
+ // that uses the data may have already completed previously, so the
+ // possible failure will occur during source block verification.
+ fprintf(stderr, "failed to load source blocks for stash %s\n", id.c_str());
+ return 0;
+ }
+
+ // In verify mode, save source range_set instead of stashing blocks.
+ if (!params.canwrite && usehash) {
+ stash_map[id] = src;
+ return 0;
+ }
+
+ fprintf(stderr, "stashing %zu blocks to %s\n", blocks, id.c_str());
+ params.stashed += blocks;
+ return WriteStash(base, id, blocks, buffer, false, nullptr);
+}
+
+static int FreeStash(const std::string& base, const std::string& id) {
+ if (base.empty() || id.empty()) {
+ return -1;
+ }
+
+ std::string fn = GetStashFileName(base, id, "");
+ DeleteFile(fn, nullptr);
+
+ return 0;
+}
+
+static void MoveRange(std::vector<uint8_t>& dest, const RangeSet& locs,
+ const std::vector<uint8_t>& source) {
+ // source contains packed data, which we want to move to the
+ // locations given in locs in the dest buffer. source and dest
+ // may be the same buffer.
+
+ const uint8_t* from = source.data();
+ uint8_t* to = dest.data();
+ size_t start = locs.size;
+ for (int i = locs.count-1; i >= 0; --i) {
+ size_t blocks = locs.pos[i*2+1] - locs.pos[i*2];
+ start -= blocks;
+ memmove(to + (locs.pos[i*2] * BLOCKSIZE), from + (start * BLOCKSIZE),
+ blocks * BLOCKSIZE);
+ }
+}
+
+// Do a source/target load for move/bsdiff/imgdiff in version 2.
+// We expect to parse the remainder of the parameter tokens as one of:
+//
+// <tgt_range> <src_block_count> <src_range>
+// (loads data from source image only)
+//
+// <tgt_range> <src_block_count> - <[stash_id:stash_range] ...>
+// (loads data from stashes only)
+//
+// <tgt_range> <src_block_count> <src_range> <src_loc> <[stash_id:stash_range] ...>
+// (loads data from both source image and stashes)
+//
+// On return, buffer is filled with the loaded source data (rearranged
+// and combined with stashed data as necessary). buffer may be
+// reallocated if needed to accommodate the source data. *tgt is the
+// target RangeSet. Any stashes required are loaded using LoadStash.
+
+static int LoadSrcTgtVersion2(CommandParameters& params, RangeSet& tgt, size_t& src_blocks,
+ std::vector<uint8_t>& buffer, int fd, const std::string& stashbase, bool* overlap) {
+
+ // At least it needs to provide three parameters: <tgt_range>,
+ // <src_block_count> and "-"/<src_range>.
+ if (params.cpos + 2 >= params.tokens.size()) {
+ fprintf(stderr, "invalid parameters\n");
+ return -1;
+ }
+
+ // <tgt_range>
+ parse_range(params.tokens[params.cpos++], tgt);
+
+ // <src_block_count>
+ const std::string& token = params.tokens[params.cpos++];
+ if (!android::base::ParseUint(token.c_str(), &src_blocks)) {
+ fprintf(stderr, "invalid src_block_count \"%s\"\n", token.c_str());
+ return -1;
+ }
+
+ allocate(src_blocks * BLOCKSIZE, buffer);
+
+ // "-" or <src_range> [<src_loc>]
+ if (params.tokens[params.cpos] == "-") {
+ // no source ranges, only stashes
+ params.cpos++;
+ } else {
+ RangeSet src;
+ parse_range(params.tokens[params.cpos++], src);
+ int res = ReadBlocks(src, buffer, fd);
+
+ if (overlap) {
+ *overlap = range_overlaps(src, tgt);
+ }
+
+ if (res == -1) {
+ return -1;
+ }
+
+ if (params.cpos >= params.tokens.size()) {
+ // no stashes, only source range
+ return 0;
+ }
+
+ RangeSet locs;
+ parse_range(params.tokens[params.cpos++], locs);
+ MoveRange(buffer, locs, buffer);
+ }
+
+ // <[stash_id:stash_range]>
+ while (params.cpos < params.tokens.size()) {
+ // Each word is a an index into the stash table, a colon, and
+ // then a rangeset describing where in the source block that
+ // stashed data should go.
+ std::vector<std::string> tokens = android::base::Split(params.tokens[params.cpos++], ":");
+ if (tokens.size() != 2) {
+ fprintf(stderr, "invalid parameter\n");
+ return -1;
+ }
+
+ std::vector<uint8_t> stash;
+ int res = LoadStash(params, stashbase, tokens[0], false, nullptr, stash, true);
+
+ if (res == -1) {
+ // These source blocks will fail verification if used later, but we
+ // will let the caller decide if this is a fatal failure
+ fprintf(stderr, "failed to load stash %s\n", tokens[0].c_str());
+ continue;
+ }
+
+ RangeSet locs;
+ parse_range(tokens[1], locs);
+
+ MoveRange(buffer, locs, stash);
+ }
+
+ return 0;
+}
+
+// Do a source/target load for move/bsdiff/imgdiff in version 3.
+//
+// Parameters are the same as for LoadSrcTgtVersion2, except for 'onehash', which
+// tells the function whether to expect separate source and targe block hashes, or
+// if they are both the same and only one hash should be expected, and
+// 'isunresumable', which receives a non-zero value if block verification fails in
+// a way that the update cannot be resumed anymore.
+//
+// If the function is unable to load the necessary blocks or their contents don't
+// match the hashes, the return value is -1 and the command should be aborted.
+//
+// If the return value is 1, the command has already been completed according to
+// the contents of the target blocks, and should not be performed again.
+//
+// If the return value is 0, source blocks have expected content and the command
+// can be performed.
+
+static int LoadSrcTgtVersion3(CommandParameters& params, RangeSet& tgt, size_t& src_blocks,
+ bool onehash, bool& overlap) {
+
+ if (params.cpos >= params.tokens.size()) {
+ fprintf(stderr, "missing source hash\n");
+ return -1;
+ }
+
+ std::string srchash = params.tokens[params.cpos++];
+ std::string tgthash;
+
+ if (onehash) {
+ tgthash = srchash;
+ } else {
+ if (params.cpos >= params.tokens.size()) {
+ fprintf(stderr, "missing target hash\n");
+ return -1;
+ }
+ tgthash = params.tokens[params.cpos++];
+ }
+
+ if (LoadSrcTgtVersion2(params, tgt, src_blocks, params.buffer, params.fd, params.stashbase,
+ &overlap) == -1) {
+ return -1;
+ }
+
+ std::vector<uint8_t> tgtbuffer(tgt.size * BLOCKSIZE);
+
+ if (ReadBlocks(tgt, tgtbuffer, params.fd) == -1) {
+ return -1;
+ }
+
+ if (VerifyBlocks(tgthash, tgtbuffer, tgt.size, false) == 0) {
+ // Target blocks already have expected content, command should be skipped
+ return 1;
+ }
+
+ if (VerifyBlocks(srchash, params.buffer, src_blocks, true) == 0) {
+ // If source and target blocks overlap, stash the source blocks so we can
+ // resume from possible write errors. In verify mode, we can skip stashing
+ // because the source blocks won't be overwritten.
+ if (overlap && params.canwrite) {
+ fprintf(stderr, "stashing %zu overlapping blocks to %s\n", src_blocks,
+ srchash.c_str());
+
+ bool stash_exists = false;
+ if (WriteStash(params.stashbase, srchash, src_blocks, params.buffer, true,
+ &stash_exists) != 0) {
+ fprintf(stderr, "failed to stash overlapping source blocks\n");
+ return -1;
+ }
+
+ params.stashed += src_blocks;
+ // Can be deleted when the write has completed
+ if (!stash_exists) {
+ params.freestash = srchash;
+ }
+ }
+
+ // Source blocks have expected content, command can proceed
+ return 0;
+ }
+
+ if (overlap && LoadStash(params, params.stashbase, srchash, true, nullptr, params.buffer,
+ true) == 0) {
+ // Overlapping source blocks were previously stashed, command can proceed.
+ // We are recovering from an interrupted command, so we don't know if the
+ // stash can safely be deleted after this command.
+ return 0;
+ }
+
+ // Valid source data not available, update cannot be resumed
+ fprintf(stderr, "partition has unexpected contents\n");
+ params.isunresumable = true;
+
+ return -1;
+}
+
+static int PerformCommandMove(CommandParameters& params) {
+ size_t blocks = 0;
+ bool overlap = false;
+ int status = 0;
+ RangeSet tgt;
+
+ if (params.version == 1) {
+ status = LoadSrcTgtVersion1(params, tgt, blocks, params.buffer, params.fd);
+ } else if (params.version == 2) {
+ status = LoadSrcTgtVersion2(params, tgt, blocks, params.buffer, params.fd,
+ params.stashbase, nullptr);
+ } else if (params.version >= 3) {
+ status = LoadSrcTgtVersion3(params, tgt, blocks, true, overlap);
+ }
+
+ if (status == -1) {
+ fprintf(stderr, "failed to read blocks for move\n");
+ return -1;
+ }
+
+ if (status == 0) {
+ params.foundwrites = true;
+ } else if (params.foundwrites) {
+ fprintf(stderr, "warning: commands executed out of order [%s]\n", params.cmdname);
+ }
+
+ if (params.canwrite) {
+ if (status == 0) {
+ fprintf(stderr, " moving %zu blocks\n", blocks);
+
+ if (WriteBlocks(tgt, params.buffer, params.fd) == -1) {
+ return -1;
+ }
+ } else {
+ fprintf(stderr, "skipping %zu already moved blocks\n", blocks);
+ }
+
+ }
+
+ if (!params.freestash.empty()) {
+ FreeStash(params.stashbase, params.freestash);
+ params.freestash.clear();
+ }
+
+ params.written += tgt.size;
+
+ return 0;
+}
+
+static int PerformCommandStash(CommandParameters& params) {
+ return SaveStash(params, params.stashbase, params.buffer, params.fd,
+ (params.version >= 3));
+}
+
+static int PerformCommandFree(CommandParameters& params) {
+ // <stash_id>
+ if (params.cpos >= params.tokens.size()) {
+ fprintf(stderr, "missing stash id in free command\n");
+ return -1;
+ }
+
+ const std::string& id = params.tokens[params.cpos++];
+
+ if (!params.canwrite && stash_map.find(id) != stash_map.end()) {
+ stash_map.erase(id);
+ return 0;
+ }
+
+ if (params.createdstash || params.canwrite) {
+ return FreeStash(params.stashbase, id);
+ }
+
+ return 0;
+}
+
+static int PerformCommandZero(CommandParameters& params) {
+
+ if (params.cpos >= params.tokens.size()) {
+ fprintf(stderr, "missing target blocks for zero\n");
+ return -1;
+ }
+
+ RangeSet tgt;
+ parse_range(params.tokens[params.cpos++], tgt);
+
+ fprintf(stderr, " zeroing %zu blocks\n", tgt.size);
+
+ allocate(BLOCKSIZE, params.buffer);
+ memset(params.buffer.data(), 0, BLOCKSIZE);
+
+ if (params.canwrite) {
+ for (size_t i = 0; i < tgt.count; ++i) {
+ off64_t offset = static_cast<off64_t>(tgt.pos[i * 2]) * BLOCKSIZE;
+ size_t size = (tgt.pos[i * 2 + 1] - tgt.pos[i * 2]) * BLOCKSIZE;
+ if (!discard_blocks(params.fd, offset, size)) {
+ return -1;
+ }
+
+ if (!check_lseek(params.fd, offset, SEEK_SET)) {
+ return -1;
+ }
+
+ for (size_t j = tgt.pos[i * 2]; j < tgt.pos[i * 2 + 1]; ++j) {
+ if (write_all(params.fd, params.buffer, BLOCKSIZE) == -1) {
+ return -1;
+ }
+ }
+ }
+ }
+
+ if (params.cmdname[0] == 'z') {
+ // Update only for the zero command, as the erase command will call
+ // this if DEBUG_ERASE is defined.
+ params.written += tgt.size;
+ }
+
+ return 0;
+}
+
+static int PerformCommandNew(CommandParameters& params) {
+
+ if (params.cpos >= params.tokens.size()) {
+ fprintf(stderr, "missing target blocks for new\n");
+ return -1;
+ }
+
+ RangeSet tgt;
+ parse_range(params.tokens[params.cpos++], tgt);
+
+ if (params.canwrite) {
+ fprintf(stderr, " writing %zu blocks of new data\n", tgt.size);
+
+ RangeSinkState rss(tgt);
+ rss.fd = params.fd;
+ rss.p_block = 0;
+ rss.p_remain = (tgt.pos[1] - tgt.pos[0]) * BLOCKSIZE;
+
+ off64_t offset = static_cast<off64_t>(tgt.pos[0]) * BLOCKSIZE;
+ if (!discard_blocks(params.fd, offset, tgt.size * BLOCKSIZE)) {
+ return -1;
+ }
+
+ if (!check_lseek(params.fd, offset, SEEK_SET)) {
+ return -1;
+ }
+
+ pthread_mutex_lock(¶ms.nti.mu);
+ params.nti.rss = &rss;
+ pthread_cond_broadcast(¶ms.nti.cv);
+
+ while (params.nti.rss) {
+ pthread_cond_wait(¶ms.nti.cv, ¶ms.nti.mu);
+ }
+
+ pthread_mutex_unlock(¶ms.nti.mu);
+ }
+
+ params.written += tgt.size;
+
+ return 0;
+}
+
+static int PerformCommandDiff(CommandParameters& params) {
+
+ // <offset> <length>
+ if (params.cpos + 1 >= params.tokens.size()) {
+ fprintf(stderr, "missing patch offset or length for %s\n", params.cmdname);
+ return -1;
+ }
+
+ size_t offset;
+ if (!android::base::ParseUint(params.tokens[params.cpos++].c_str(), &offset)) {
+ fprintf(stderr, "invalid patch offset\n");
+ return -1;
+ }
+
+ size_t len;
+ if (!android::base::ParseUint(params.tokens[params.cpos++].c_str(), &len)) {
+ fprintf(stderr, "invalid patch offset\n");
+ return -1;
+ }
+
+ RangeSet tgt;
+ size_t blocks = 0;
+ bool overlap = false;
+ int status = 0;
+ if (params.version == 1) {
+ status = LoadSrcTgtVersion1(params, tgt, blocks, params.buffer, params.fd);
+ } else if (params.version == 2) {
+ status = LoadSrcTgtVersion2(params, tgt, blocks, params.buffer, params.fd,
+ params.stashbase, nullptr);
+ } else if (params.version >= 3) {
+ status = LoadSrcTgtVersion3(params, tgt, blocks, false, overlap);
+ }
+
+ if (status == -1) {
+ fprintf(stderr, "failed to read blocks for diff\n");
+ return -1;
+ }
+
+ if (status == 0) {
+ params.foundwrites = true;
+ } else if (params.foundwrites) {
+ fprintf(stderr, "warning: commands executed out of order [%s]\n", params.cmdname);
+ }
+
+ if (params.canwrite) {
+ if (status == 0) {
+ fprintf(stderr, "patching %zu blocks to %zu\n", blocks, tgt.size);
+
+ Value patch_value;
+ patch_value.type = VAL_BLOB;
+ patch_value.size = len;
+ patch_value.data = (char*) (params.patch_start + offset);
+
+ RangeSinkState rss(tgt);
+ rss.fd = params.fd;
+ rss.p_block = 0;
+ rss.p_remain = (tgt.pos[1] - tgt.pos[0]) * BLOCKSIZE;
+
+ off64_t offset = static_cast<off64_t>(tgt.pos[0]) * BLOCKSIZE;
+ if (!discard_blocks(params.fd, offset, rss.p_remain)) {
+ return -1;
+ }
+
+ if (!check_lseek(params.fd, offset, SEEK_SET)) {
+ return -1;
+ }
+
+ if (params.cmdname[0] == 'i') { // imgdiff
+ ApplyImagePatch(params.buffer.data(), blocks * BLOCKSIZE, &patch_value,
+ &RangeSinkWrite, &rss, nullptr, nullptr);
+ } else {
+ ApplyBSDiffPatch(params.buffer.data(), blocks * BLOCKSIZE, &patch_value, 0,
+ &RangeSinkWrite, &rss, nullptr);
+ }
+
+ // We expect the output of the patcher to fill the tgt ranges exactly.
+ if (rss.p_block != tgt.count || rss.p_remain != 0) {
+ fprintf(stderr, "range sink underrun?\n");
+ }
+ } else {
+ fprintf(stderr, "skipping %zu blocks already patched to %zu [%s]\n",
+ blocks, tgt.size, params.cmdline);
+ }
+ }
+
+ if (!params.freestash.empty()) {
+ FreeStash(params.stashbase, params.freestash);
+ params.freestash.clear();
+ }
+
+ params.written += tgt.size;
+
+ return 0;
+}
+
+static int PerformCommandErase(CommandParameters& params) {
+ if (DEBUG_ERASE) {
+ return PerformCommandZero(params);
+ }
+
+ struct stat sb;
+ if (fstat(params.fd, &sb) == -1) {
+ fprintf(stderr, "failed to fstat device to erase: %s\n", strerror(errno));
+ return -1;
+ }
+
+ if (!S_ISBLK(sb.st_mode)) {
+ fprintf(stderr, "not a block device; skipping erase\n");
+ return -1;
+ }
+
+ if (params.cpos >= params.tokens.size()) {
+ fprintf(stderr, "missing target blocks for erase\n");
+ return -1;
+ }
+
+ RangeSet tgt;
+ parse_range(params.tokens[params.cpos++], tgt);
+
+ if (params.canwrite) {
+ fprintf(stderr, " erasing %zu blocks\n", tgt.size);
+
+ for (size_t i = 0; i < tgt.count; ++i) {
+ uint64_t blocks[2];
+ // offset in bytes
+ blocks[0] = tgt.pos[i * 2] * (uint64_t) BLOCKSIZE;
+ // length in bytes
+ blocks[1] = (tgt.pos[i * 2 + 1] - tgt.pos[i * 2]) * (uint64_t) BLOCKSIZE;
+
+ if (ioctl(params.fd, BLKDISCARD, &blocks) == -1) {
+ fprintf(stderr, "BLKDISCARD ioctl failed: %s\n", strerror(errno));
+ return -1;
+ }
+ }
+ }
+
+ return 0;
+}
+
+// Definitions for transfer list command functions
+typedef int (*CommandFunction)(CommandParameters&);
+
+struct Command {
+ const char* name;
+ CommandFunction f;
+};
+
+// CompareCommands and CompareCommandNames are for the hash table
+
+static int CompareCommands(const void* c1, const void* c2) {
+ return strcmp(((const Command*) c1)->name, ((const Command*) c2)->name);
+}
+
+static int CompareCommandNames(const void* c1, const void* c2) {
+ return strcmp(((const Command*) c1)->name, (const char*) c2);
+}
+
+// HashString is used to hash command names for the hash table
+
+static unsigned int HashString(const char *s) {
+ unsigned int hash = 0;
+ if (s) {
+ while (*s) {
+ hash = hash * 33 + *s++;
+ }
+ }
+ return hash;
+}
+
+// args:
+// - block device (or file) to modify in-place
+// - transfer list (blob)
+// - new data stream (filename within package.zip)
+// - patch stream (filename within package.zip, must be uncompressed)
+
+static Value* PerformBlockImageUpdate(const char* name, State* state, int /* argc */, Expr* argv[],
+ const Command* commands, size_t cmdcount, bool dryrun) {
+ CommandParameters params;
+ memset(¶ms, 0, sizeof(params));
+ params.canwrite = !dryrun;
+
+ fprintf(stderr, "performing %s\n", dryrun ? "verification" : "update");
+ if (state->is_retry) {
+ is_retry = true;
+ fprintf(stderr, "This update is a retry.\n");
+ }
+
+ Value* blockdev_filename = nullptr;
+ Value* transfer_list_value = nullptr;
+ Value* new_data_fn = nullptr;
+ Value* patch_data_fn = nullptr;
+ if (ReadValueArgs(state, argv, 4, &blockdev_filename, &transfer_list_value,
+ &new_data_fn, &patch_data_fn) < 0) {
+ return StringValue(strdup(""));
+ }
+ std::unique_ptr<Value, decltype(&FreeValue)> blockdev_filename_holder(blockdev_filename,
+ FreeValue);
+ std::unique_ptr<Value, decltype(&FreeValue)> transfer_list_value_holder(transfer_list_value,
+ FreeValue);
+ std::unique_ptr<Value, decltype(&FreeValue)> new_data_fn_holder(new_data_fn, FreeValue);
+ std::unique_ptr<Value, decltype(&FreeValue)> patch_data_fn_holder(patch_data_fn, FreeValue);
+
+ if (blockdev_filename->type != VAL_STRING) {
+ ErrorAbort(state, kArgsParsingFailure, "blockdev_filename argument to %s must be string",
+ name);
+ return StringValue(strdup(""));
+ }
+ if (transfer_list_value->type != VAL_BLOB) {
+ ErrorAbort(state, kArgsParsingFailure, "transfer_list argument to %s must be blob", name);
+ return StringValue(strdup(""));
+ }
+ if (new_data_fn->type != VAL_STRING) {
+ ErrorAbort(state, kArgsParsingFailure, "new_data_fn argument to %s must be string", name);
+ return StringValue(strdup(""));
+ }
+ if (patch_data_fn->type != VAL_STRING) {
+ ErrorAbort(state, kArgsParsingFailure, "patch_data_fn argument to %s must be string",
+ name);
+ return StringValue(strdup(""));
+ }
+
+ UpdaterInfo* ui = reinterpret_cast<UpdaterInfo*>(state->cookie);
+
+ if (ui == nullptr) {
+ return StringValue(strdup(""));
+ }
+
+ FILE* cmd_pipe = ui->cmd_pipe;
+ ZipArchive* za = ui->package_zip;
+
+ if (cmd_pipe == nullptr || za == nullptr) {
+ return StringValue(strdup(""));
+ }
+
+ const ZipEntry* patch_entry = mzFindZipEntry(za, patch_data_fn->data);
+ if (patch_entry == nullptr) {
+ fprintf(stderr, "%s(): no file \"%s\" in package", name, patch_data_fn->data);
+ return StringValue(strdup(""));
+ }
+
+ params.patch_start = ui->package_zip_addr + mzGetZipEntryOffset(patch_entry);
+ const ZipEntry* new_entry = mzFindZipEntry(za, new_data_fn->data);
+ if (new_entry == nullptr) {
+ fprintf(stderr, "%s(): no file \"%s\" in package", name, new_data_fn->data);
+ return StringValue(strdup(""));
+ }
+
+ params.fd = TEMP_FAILURE_RETRY(open(blockdev_filename->data, O_RDWR));
+ unique_fd fd_holder(params.fd);
+
+ if (params.fd == -1) {
+ fprintf(stderr, "open \"%s\" failed: %s\n", blockdev_filename->data, strerror(errno));
+ return StringValue(strdup(""));
+ }
+
+ if (params.canwrite) {
+ params.nti.za = za;
+ params.nti.entry = new_entry;
+
+ pthread_mutex_init(¶ms.nti.mu, nullptr);
+ pthread_cond_init(¶ms.nti.cv, nullptr);
+ pthread_attr_t attr;
+ pthread_attr_init(&attr);
+ pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
+
+ int error = pthread_create(¶ms.thread, &attr, unzip_new_data, ¶ms.nti);
+ if (error != 0) {
+ fprintf(stderr, "pthread_create failed: %s\n", strerror(error));
+ return StringValue(strdup(""));
+ }
+ }
+
+ // Copy all the lines in transfer_list_value into std::string for
+ // processing.
+ const std::string transfer_list(transfer_list_value->data, transfer_list_value->size);
+ std::vector<std::string> lines = android::base::Split(transfer_list, "\n");
+ if (lines.size() < 2) {
+ ErrorAbort(state, kArgsParsingFailure, "too few lines in the transfer list [%zd]\n",
+ lines.size());
+ return StringValue(strdup(""));
+ }
+
+ // First line in transfer list is the version number
+ if (!android::base::ParseInt(lines[0].c_str(), ¶ms.version, 1, 4)) {
+ fprintf(stderr, "unexpected transfer list version [%s]\n", lines[0].c_str());
+ return StringValue(strdup(""));
+ }
+
+ fprintf(stderr, "blockimg version is %d\n", params.version);
+
+ // Second line in transfer list is the total number of blocks we expect to write
+ int total_blocks;
+ if (!android::base::ParseInt(lines[1].c_str(), &total_blocks, 0)) {
+ ErrorAbort(state, kArgsParsingFailure, "unexpected block count [%s]\n", lines[1].c_str());
+ return StringValue(strdup(""));
+ }
+
+ if (total_blocks == 0) {
+ return StringValue(strdup("t"));
+ }
+
+ size_t start = 2;
+ if (params.version >= 2) {
+ if (lines.size() < 4) {
+ ErrorAbort(state, kArgsParsingFailure, "too few lines in the transfer list [%zu]\n",
+ lines.size());
+ return StringValue(strdup(""));
+ }
+
+ // Third line is how many stash entries are needed simultaneously
+ fprintf(stderr, "maximum stash entries %s\n", lines[2].c_str());
+
+ // Fourth line is the maximum number of blocks that will be stashed simultaneously
+ int stash_max_blocks;
+ if (!android::base::ParseInt(lines[3].c_str(), &stash_max_blocks, 0)) {
+ ErrorAbort(state, kArgsParsingFailure, "unexpected maximum stash blocks [%s]\n",
+ lines[3].c_str());
+ return StringValue(strdup(""));
+ }
+
+ int res = CreateStash(state, stash_max_blocks, blockdev_filename->data, params.stashbase);
+ if (res == -1) {
+ return StringValue(strdup(""));
+ }
+
+ params.createdstash = res;
+
+ start += 2;
+ }
+
+ // Build a hash table of the available commands
+ HashTable* cmdht = mzHashTableCreate(cmdcount, nullptr);
+ std::unique_ptr<HashTable, decltype(&mzHashTableFree)> cmdht_holder(cmdht, mzHashTableFree);
+
+ for (size_t i = 0; i < cmdcount; ++i) {
+ unsigned int cmdhash = HashString(commands[i].name);
+ mzHashTableLookup(cmdht, cmdhash, (void*) &commands[i], CompareCommands, true);
+ }
+
+ int rc = -1;
+
+ // Subsequent lines are all individual transfer commands
+ for (auto it = lines.cbegin() + start; it != lines.cend(); it++) {
+ const std::string& line_str(*it);
+ if (line_str.empty()) {
+ continue;
+ }
+
+ params.tokens = android::base::Split(line_str, " ");
+ params.cpos = 0;
+ params.cmdname = params.tokens[params.cpos++].c_str();
+ params.cmdline = line_str.c_str();
+
+ unsigned int cmdhash = HashString(params.cmdname);
+ const Command* cmd = reinterpret_cast<const Command*>(mzHashTableLookup(cmdht, cmdhash,
+ const_cast<char*>(params.cmdname), CompareCommandNames,
+ false));
+
+ if (cmd == nullptr) {
+ fprintf(stderr, "unexpected command [%s]\n", params.cmdname);
+ goto pbiudone;
+ }
+
+ if (cmd->f != nullptr && cmd->f(params) == -1) {
+ fprintf(stderr, "failed to execute command [%s]\n", line_str.c_str());
+ goto pbiudone;
+ }
+
+ if (params.canwrite) {
+ if (ota_fsync(params.fd) == -1) {
+ failure_type = kFsyncFailure;
+ fprintf(stderr, "fsync failed: %s\n", strerror(errno));
+ goto pbiudone;
+ }
+ fprintf(cmd_pipe, "set_progress %.4f\n", (double) params.written / total_blocks);
+ fflush(cmd_pipe);
+ }
+ }
+
+ if (params.canwrite) {
+ pthread_join(params.thread, nullptr);
+
+ fprintf(stderr, "wrote %zu blocks; expected %d\n", params.written, total_blocks);
+ fprintf(stderr, "stashed %zu blocks\n", params.stashed);
+ fprintf(stderr, "max alloc needed was %zu\n", params.buffer.size());
+
+ const char* partition = strrchr(blockdev_filename->data, '/');
+ if (partition != nullptr && *(partition+1) != 0) {
+ fprintf(cmd_pipe, "log bytes_written_%s: %zu\n", partition + 1,
+ params.written * BLOCKSIZE);
+ fprintf(cmd_pipe, "log bytes_stashed_%s: %zu\n", partition + 1,
+ params.stashed * BLOCKSIZE);
+ fflush(cmd_pipe);
+ }
+ // Delete stash only after successfully completing the update, as it
+ // may contain blocks needed to complete the update later.
+ DeleteStash(params.stashbase);
+ } else {
+ fprintf(stderr, "verified partition contents; update may be resumed\n");
+ }
+
+ rc = 0;
+
+pbiudone:
+ if (ota_fsync(params.fd) == -1) {
+ failure_type = kFsyncFailure;
+ fprintf(stderr, "fsync failed: %s\n", strerror(errno));
+ }
+ // params.fd will be automatically closed because of the fd_holder above.
+
+ // Only delete the stash if the update cannot be resumed, or it's
+ // a verification run and we created the stash.
+ if (params.isunresumable || (!params.canwrite && params.createdstash)) {
+ DeleteStash(params.stashbase);
+ }
+
+ if (failure_type != kNoCause && state->cause_code == kNoCause) {
+ state->cause_code = failure_type;
+ }
+
+ return StringValue(rc == 0 ? strdup("t") : strdup(""));
+}
+
+// The transfer list is a text file containing commands to
+// transfer data from one place to another on the target
+// partition. We parse it and execute the commands in order:
+//
+// zero [rangeset]
+// - fill the indicated blocks with zeros
+//
+// new [rangeset]
+// - fill the blocks with data read from the new_data file
+//
+// erase [rangeset]
+// - mark the given blocks as empty
+//
+// move <...>
+// bsdiff <patchstart> <patchlen> <...>
+// imgdiff <patchstart> <patchlen> <...>
+// - read the source blocks, apply a patch (or not in the
+// case of move), write result to target blocks. bsdiff or
+// imgdiff specifies the type of patch; move means no patch
+// at all.
+//
+// The format of <...> differs between versions 1 and 2;
+// see the LoadSrcTgtVersion{1,2}() functions for a
+// description of what's expected.
+//
+// stash <stash_id> <src_range>
+// - (version 2+ only) load the given source range and stash
+// the data in the given slot of the stash table.
+//
+// free <stash_id>
+// - (version 3+ only) free the given stash data.
+//
+// The creator of the transfer list will guarantee that no block
+// is read (ie, used as the source for a patch or move) after it
+// has been written.
+//
+// In version 2, the creator will guarantee that a given stash is
+// loaded (with a stash command) before it's used in a
+// move/bsdiff/imgdiff command.
+//
+// Within one command the source and target ranges may overlap so
+// in general we need to read the entire source into memory before
+// writing anything to the target blocks.
+//
+// All the patch data is concatenated into one patch_data file in
+// the update package. It must be stored uncompressed because we
+// memory-map it in directly from the archive. (Since patches are
+// already compressed, we lose very little by not compressing
+// their concatenation.)
+//
+// In version 3, commands that read data from the partition (i.e.
+// move/bsdiff/imgdiff/stash) have one or more additional hashes
+// before the range parameters, which are used to check if the
+// command has already been completed and verify the integrity of
+// the source data.
+
+Value* BlockImageVerifyFn(const char* name, State* state, int argc, Expr* argv[]) {
+ // Commands which are not tested are set to nullptr to skip them completely
+ const Command commands[] = {
+ { "bsdiff", PerformCommandDiff },
+ { "erase", nullptr },
+ { "free", PerformCommandFree },
+ { "imgdiff", PerformCommandDiff },
+ { "move", PerformCommandMove },
+ { "new", nullptr },
+ { "stash", PerformCommandStash },
+ { "zero", nullptr }
+ };
+
+ // Perform a dry run without writing to test if an update can proceed
+ return PerformBlockImageUpdate(name, state, argc, argv, commands,
+ sizeof(commands) / sizeof(commands[0]), true);
+}
+
+Value* BlockImageUpdateFn(const char* name, State* state, int argc, Expr* argv[]) {
+ const Command commands[] = {
+ { "bsdiff", PerformCommandDiff },
+ { "erase", PerformCommandErase },
+ { "free", PerformCommandFree },
+ { "imgdiff", PerformCommandDiff },
+ { "move", PerformCommandMove },
+ { "new", PerformCommandNew },
+ { "stash", PerformCommandStash },
+ { "zero", PerformCommandZero }
+ };
+
+ return PerformBlockImageUpdate(name, state, argc, argv, commands,
+ sizeof(commands) / sizeof(commands[0]), false);
+}
+
+Value* RangeSha1Fn(const char* name, State* state, int /* argc */, Expr* argv[]) {
+ Value* blockdev_filename;
+ Value* ranges;
+
+ if (ReadValueArgs(state, argv, 2, &blockdev_filename, &ranges) < 0) {
+ return StringValue(strdup(""));
+ }
+ std::unique_ptr<Value, decltype(&FreeValue)> ranges_holder(ranges, FreeValue);
+ std::unique_ptr<Value, decltype(&FreeValue)> blockdev_filename_holder(blockdev_filename,
+ FreeValue);
+
+ if (blockdev_filename->type != VAL_STRING) {
+ ErrorAbort(state, kArgsParsingFailure, "blockdev_filename argument to %s must be string",
+ name);
+ return StringValue(strdup(""));
+ }
+ if (ranges->type != VAL_STRING) {
+ ErrorAbort(state, kArgsParsingFailure, "ranges argument to %s must be string", name);
+ return StringValue(strdup(""));
+ }
+
+ int fd = open(blockdev_filename->data, O_RDWR);
+ unique_fd fd_holder(fd);
+ if (fd < 0) {
+ ErrorAbort(state, kFileOpenFailure, "open \"%s\" failed: %s", blockdev_filename->data,
+ strerror(errno));
+ return StringValue(strdup(""));
+ }
+
+ RangeSet rs;
+ parse_range(ranges->data, rs);
+
+ SHA_CTX ctx;
+ SHA1_Init(&ctx);
+
+ std::vector<uint8_t> buffer(BLOCKSIZE);
+ for (size_t i = 0; i < rs.count; ++i) {
+ if (!check_lseek(fd, (off64_t)rs.pos[i*2] * BLOCKSIZE, SEEK_SET)) {
+ ErrorAbort(state, kLseekFailure, "failed to seek %s: %s", blockdev_filename->data,
+ strerror(errno));
+ return StringValue(strdup(""));
+ }
+
+ for (size_t j = rs.pos[i*2]; j < rs.pos[i*2+1]; ++j) {
+ if (read_all(fd, buffer, BLOCKSIZE) == -1) {
+ ErrorAbort(state, kFreadFailure, "failed to read %s: %s", blockdev_filename->data,
+ strerror(errno));
+ return StringValue(strdup(""));
+ }
+
+ SHA1_Update(&ctx, buffer.data(), BLOCKSIZE);
+ }
+ }
+ uint8_t digest[SHA_DIGEST_LENGTH];
+ SHA1_Final(digest, &ctx);
+
+ return StringValue(strdup(print_sha1(digest).c_str()));
+}
+
+// This function checks if a device has been remounted R/W prior to an incremental
+// OTA update. This is an common cause of update abortion. The function reads the
+// 1st block of each partition and check for mounting time/count. It return string "t"
+// if executes successfully and an empty string otherwise.
+
+Value* CheckFirstBlockFn(const char* name, State* state, int argc, Expr* argv[]) {
+ Value* arg_filename;
+
+ if (ReadValueArgs(state, argv, 1, &arg_filename) < 0) {
+ return nullptr;
+ }
+ std::unique_ptr<Value, decltype(&FreeValue)> filename(arg_filename, FreeValue);
+
+ if (filename->type != VAL_STRING) {
+ ErrorAbort(state, kArgsParsingFailure, "filename argument to %s must be string", name);
+ return StringValue(strdup(""));
+ }
+
+ int fd = open(arg_filename->data, O_RDONLY);
+ unique_fd fd_holder(fd);
+ if (fd == -1) {
+ ErrorAbort(state, kFileOpenFailure, "open \"%s\" failed: %s", arg_filename->data,
+ strerror(errno));
+ return StringValue(strdup(""));
+ }
+
+ RangeSet blk0 {1 /*count*/, 1/*size*/, std::vector<size_t> {0, 1}/*position*/};
+ std::vector<uint8_t> block0_buffer(BLOCKSIZE);
+
+ if (ReadBlocks(blk0, block0_buffer, fd) == -1) {
+ ErrorAbort(state, kFreadFailure, "failed to read %s: %s", arg_filename->data,
+ strerror(errno));
+ return StringValue(strdup(""));
+ }
+
+ // https://ext4.wiki.kernel.org/index.php/Ext4_Disk_Layout
+ // Super block starts from block 0, offset 0x400
+ // 0x2C: len32 Mount time
+ // 0x30: len32 Write time
+ // 0x34: len16 Number of mounts since the last fsck
+ // 0x38: len16 Magic signature 0xEF53
+
+ time_t mount_time = *reinterpret_cast<uint32_t*>(&block0_buffer[0x400+0x2C]);
+ uint16_t mount_count = *reinterpret_cast<uint16_t*>(&block0_buffer[0x400+0x34]);
+
+ if (mount_count > 0) {
+ uiPrintf(state, "Device was remounted R/W %d times\n", mount_count);
+ uiPrintf(state, "Last remount happened on %s", ctime(&mount_time));
+ }
+
+ return StringValue(strdup("t"));
+}
+
+
+Value* BlockImageRecoverFn(const char* name, State* state, int argc, Expr* argv[]) {
+ Value* arg_filename;
+ Value* arg_ranges;
+
+ if (ReadValueArgs(state, argv, 2, &arg_filename, &arg_ranges) < 0) {
+ return NULL;
+ }
+
+ std::unique_ptr<Value, decltype(&FreeValue)> filename(arg_filename, FreeValue);
+ std::unique_ptr<Value, decltype(&FreeValue)> ranges(arg_ranges, FreeValue);
+
+ if (filename->type != VAL_STRING) {
+ ErrorAbort(state, kArgsParsingFailure, "filename argument to %s must be string", name);
+ return StringValue(strdup(""));
+ }
+ if (ranges->type != VAL_STRING) {
+ ErrorAbort(state, kArgsParsingFailure, "ranges argument to %s must be string", name);
+ return StringValue(strdup(""));
+ }
+
+ // Output notice to log when recover is attempted
+ fprintf(stderr, "%s image corrupted, attempting to recover...\n", filename->data);
+
+ // When opened with O_RDWR, libfec rewrites corrupted blocks when they are read
+ fec::io fh(filename->data, O_RDWR);
+
+ if (!fh) {
+ ErrorAbort(state, kLibfecFailure, "fec_open \"%s\" failed: %s", filename->data,
+ strerror(errno));
+ return StringValue(strdup(""));
+ }
+
+ if (!fh.has_ecc() || !fh.has_verity()) {
+ ErrorAbort(state, kLibfecFailure, "unable to use metadata to correct errors");
+ return StringValue(strdup(""));
+ }
+
+ fec_status status;
+
+ if (!fh.get_status(status)) {
+ ErrorAbort(state, kLibfecFailure, "failed to read FEC status");
+ return StringValue(strdup(""));
+ }
+
+ RangeSet rs;
+ parse_range(ranges->data, rs);
+
+ uint8_t buffer[BLOCKSIZE];
+
+ for (size_t i = 0; i < rs.count; ++i) {
+ for (size_t j = rs.pos[i * 2]; j < rs.pos[i * 2 + 1]; ++j) {
+ // Stay within the data area, libfec validates and corrects metadata
+ if (status.data_size <= (uint64_t)j * BLOCKSIZE) {
+ continue;
+ }
+
+ if (fh.pread(buffer, BLOCKSIZE, (off64_t)j * BLOCKSIZE) != BLOCKSIZE) {
+ ErrorAbort(state, kLibfecFailure, "failed to recover %s (block %zu): %s",
+ filename->data, j, strerror(errno));
+ return StringValue(strdup(""));
+ }
+
+ // If we want to be able to recover from a situation where rewriting a corrected
+ // block doesn't guarantee the same data will be returned when re-read later, we
+ // can save a copy of corrected blocks to /cache. Note:
+ //
+ // 1. Maximum space required from /cache is the same as the maximum number of
+ // corrupted blocks we can correct. For RS(255, 253) and a 2 GiB partition,
+ // this would be ~16 MiB, for example.
+ //
+ // 2. To find out if this block was corrupted, call fec_get_status after each
+ // read and check if the errors field value has increased.
+ }
+ }
+ fprintf(stderr, "...%s image recovered successfully.\n", filename->data);
+ return StringValue(strdup("t"));
+}
+
+void RegisterBlockImageFunctions() {
+ RegisterFunction("block_image_verify", BlockImageVerifyFn);
+ RegisterFunction("block_image_update", BlockImageUpdateFn);
+ RegisterFunction("block_image_recover", BlockImageRecoverFn);
+ RegisterFunction("check_first_block", CheckFirstBlockFn);
+ RegisterFunction("range_sha1", RangeSha1Fn);
+}
diff --git a/updater/install.c b/updater/install.c
deleted file mode 100644
index 01a5dd2..0000000
--- a/updater/install.c
+++ /dev/null
@@ -1,1625 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <ctype.h>
-#include <errno.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/mount.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <time.h>
-#include <selinux/selinux.h>
-#include <ftw.h>
-#include <sys/capability.h>
-#include <sys/xattr.h>
-#include <linux/xattr.h>
-#include <inttypes.h>
-
-#include "bootloader.h"
-#include "applypatch/applypatch.h"
-#include "cutils/android_reboot.h"
-#include "cutils/misc.h"
-#include "cutils/properties.h"
-#include "edify/expr.h"
-#include "mincrypt/sha.h"
-#include "minzip/DirUtil.h"
-#include "mtdutils/mounts.h"
-#include "mtdutils/mtdutils.h"
-#include "updater.h"
-#include "install.h"
-#include "tune2fs.h"
-
-#ifdef USE_EXT4
-#include "make_ext4fs.h"
-#include "wipe.h"
-#endif
-
-void uiPrint(State* state, char* buffer) {
- char* line = strtok(buffer, "\n");
- UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
- while (line) {
- fprintf(ui->cmd_pipe, "ui_print %s\n", line);
- line = strtok(NULL, "\n");
- }
- fprintf(ui->cmd_pipe, "ui_print\n");
-}
-
-__attribute__((__format__(printf, 2, 3))) __nonnull((2))
-void uiPrintf(State* state, const char* format, ...) {
- char error_msg[1024];
- va_list ap;
- va_start(ap, format);
- vsnprintf(error_msg, sizeof(error_msg), format, ap);
- va_end(ap);
- uiPrint(state, error_msg);
-}
-
-// Take a sha-1 digest and return it as a newly-allocated hex string.
-char* PrintSha1(const uint8_t* digest) {
- char* buffer = malloc(SHA_DIGEST_SIZE*2 + 1);
- int i;
- const char* alphabet = "0123456789abcdef";
- for (i = 0; i < SHA_DIGEST_SIZE; ++i) {
- buffer[i*2] = alphabet[(digest[i] >> 4) & 0xf];
- buffer[i*2+1] = alphabet[digest[i] & 0xf];
- }
- buffer[i*2] = '\0';
- return buffer;
-}
-
-// mount(fs_type, partition_type, location, mount_point)
-//
-// fs_type="yaffs2" partition_type="MTD" location=partition
-// fs_type="ext4" partition_type="EMMC" location=device
-Value* MountFn(const char* name, State* state, int argc, Expr* argv[]) {
- char* result = NULL;
- if (argc != 4 && argc != 5) {
- return ErrorAbort(state, "%s() expects 4-5 args, got %d", name, argc);
- }
- char* fs_type;
- char* partition_type;
- char* location;
- char* mount_point;
- char* mount_options;
- bool has_mount_options;
- if (argc == 5) {
- has_mount_options = true;
- if (ReadArgs(state, argv, 5, &fs_type, &partition_type,
- &location, &mount_point, &mount_options) < 0) {
- return NULL;
- }
- } else {
- has_mount_options = false;
- if (ReadArgs(state, argv, 4, &fs_type, &partition_type,
- &location, &mount_point) < 0) {
- return NULL;
- }
- }
-
- if (strlen(fs_type) == 0) {
- ErrorAbort(state, "fs_type argument to %s() can't be empty", name);
- goto done;
- }
- if (strlen(partition_type) == 0) {
- ErrorAbort(state, "partition_type argument to %s() can't be empty",
- name);
- goto done;
- }
- if (strlen(location) == 0) {
- ErrorAbort(state, "location argument to %s() can't be empty", name);
- goto done;
- }
- if (strlen(mount_point) == 0) {
- ErrorAbort(state, "mount_point argument to %s() can't be empty", name);
- goto done;
- }
-
- char *secontext = NULL;
-
- if (sehandle) {
- selabel_lookup(sehandle, &secontext, mount_point, 0755);
- setfscreatecon(secontext);
- }
-
- mkdir(mount_point, 0755);
-
- if (secontext) {
- freecon(secontext);
- setfscreatecon(NULL);
- }
-
- if (strcmp(partition_type, "MTD") == 0) {
- mtd_scan_partitions();
- const MtdPartition* mtd;
- mtd = mtd_find_partition_by_name(location);
- if (mtd == NULL) {
- uiPrintf(state, "%s: no mtd partition named \"%s\"",
- name, location);
- result = strdup("");
- goto done;
- }
- if (mtd_mount_partition(mtd, mount_point, fs_type, 0 /* rw */) != 0) {
- uiPrintf(state, "mtd mount of %s failed: %s\n",
- location, strerror(errno));
- result = strdup("");
- goto done;
- }
- result = mount_point;
- } else {
- if (mount(location, mount_point, fs_type,
- MS_NOATIME | MS_NODEV | MS_NODIRATIME,
- has_mount_options ? mount_options : "") < 0) {
- uiPrintf(state, "%s: failed to mount %s at %s: %s\n",
- name, location, mount_point, strerror(errno));
- result = strdup("");
- } else {
- result = mount_point;
- }
- }
-
-done:
- free(fs_type);
- free(partition_type);
- free(location);
- if (result != mount_point) free(mount_point);
- if (has_mount_options) free(mount_options);
- return StringValue(result);
-}
-
-
-// is_mounted(mount_point)
-Value* IsMountedFn(const char* name, State* state, int argc, Expr* argv[]) {
- char* result = NULL;
- if (argc != 1) {
- return ErrorAbort(state, "%s() expects 1 arg, got %d", name, argc);
- }
- char* mount_point;
- if (ReadArgs(state, argv, 1, &mount_point) < 0) {
- return NULL;
- }
- if (strlen(mount_point) == 0) {
- ErrorAbort(state, "mount_point argument to unmount() can't be empty");
- goto done;
- }
-
- scan_mounted_volumes();
- const MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point);
- if (vol == NULL) {
- result = strdup("");
- } else {
- result = mount_point;
- }
-
-done:
- if (result != mount_point) free(mount_point);
- return StringValue(result);
-}
-
-
-Value* UnmountFn(const char* name, State* state, int argc, Expr* argv[]) {
- char* result = NULL;
- if (argc != 1) {
- return ErrorAbort(state, "%s() expects 1 arg, got %d", name, argc);
- }
- char* mount_point;
- if (ReadArgs(state, argv, 1, &mount_point) < 0) {
- return NULL;
- }
- if (strlen(mount_point) == 0) {
- ErrorAbort(state, "mount_point argument to unmount() can't be empty");
- goto done;
- }
-
- scan_mounted_volumes();
- const MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point);
- if (vol == NULL) {
- uiPrintf(state, "unmount of %s failed; no such volume\n", mount_point);
- result = strdup("");
- } else {
- int ret = unmount_mounted_volume(vol);
- if (ret != 0) {
- uiPrintf(state, "unmount of %s failed (%d): %s\n",
- mount_point, ret, strerror(errno));
- }
- result = mount_point;
- }
-
-done:
- if (result != mount_point) free(mount_point);
- return StringValue(result);
-}
-
-static int exec_cmd(const char* path, char* const argv[]) {
- int status;
- pid_t child;
- if ((child = vfork()) == 0) {
- execv(path, argv);
- _exit(-1);
- }
- waitpid(child, &status, 0);
- if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
- printf("%s failed with status %d\n", path, WEXITSTATUS(status));
- }
- return WEXITSTATUS(status);
-}
-
-
-// format(fs_type, partition_type, location, fs_size, mount_point)
-//
-// fs_type="yaffs2" partition_type="MTD" location=partition fs_size=<bytes> mount_point=<location>
-// fs_type="ext4" partition_type="EMMC" location=device fs_size=<bytes> mount_point=<location>
-// fs_type="f2fs" partition_type="EMMC" location=device fs_size=<bytes> mount_point=<location>
-// if fs_size == 0, then make fs uses the entire partition.
-// if fs_size > 0, that is the size to use
-// if fs_size < 0, then reserve that many bytes at the end of the partition (not for "f2fs")
-Value* FormatFn(const char* name, State* state, int argc, Expr* argv[]) {
- char* result = NULL;
- if (argc != 5) {
- return ErrorAbort(state, "%s() expects 5 args, got %d", name, argc);
- }
- char* fs_type;
- char* partition_type;
- char* location;
- char* fs_size;
- char* mount_point;
-
- if (ReadArgs(state, argv, 5, &fs_type, &partition_type, &location, &fs_size, &mount_point) < 0) {
- return NULL;
- }
-
- if (strlen(fs_type) == 0) {
- ErrorAbort(state, "fs_type argument to %s() can't be empty", name);
- goto done;
- }
- if (strlen(partition_type) == 0) {
- ErrorAbort(state, "partition_type argument to %s() can't be empty",
- name);
- goto done;
- }
- if (strlen(location) == 0) {
- ErrorAbort(state, "location argument to %s() can't be empty", name);
- goto done;
- }
-
- if (strlen(mount_point) == 0) {
- ErrorAbort(state, "mount_point argument to %s() can't be empty", name);
- goto done;
- }
-
- if (strcmp(partition_type, "MTD") == 0) {
- mtd_scan_partitions();
- const MtdPartition* mtd = mtd_find_partition_by_name(location);
- if (mtd == NULL) {
- printf("%s: no mtd partition named \"%s\"",
- name, location);
- result = strdup("");
- goto done;
- }
- MtdWriteContext* ctx = mtd_write_partition(mtd);
- if (ctx == NULL) {
- printf("%s: can't write \"%s\"", name, location);
- result = strdup("");
- goto done;
- }
- if (mtd_erase_blocks(ctx, -1) == -1) {
- mtd_write_close(ctx);
- printf("%s: failed to erase \"%s\"", name, location);
- result = strdup("");
- goto done;
- }
- if (mtd_write_close(ctx) != 0) {
- printf("%s: failed to close \"%s\"", name, location);
- result = strdup("");
- goto done;
- }
- result = location;
-#ifdef USE_EXT4
- } else if (strcmp(fs_type, "ext4") == 0) {
- int status = make_ext4fs(location, atoll(fs_size), mount_point, sehandle);
- if (status != 0) {
- printf("%s: make_ext4fs failed (%d) on %s",
- name, status, location);
- result = strdup("");
- goto done;
- }
- result = location;
- } else if (strcmp(fs_type, "f2fs") == 0) {
- char *num_sectors;
- if (asprintf(&num_sectors, "%lld", atoll(fs_size) / 512) <= 0) {
- printf("format_volume: failed to create %s command for %s\n", fs_type, location);
- result = strdup("");
- goto done;
- }
- const char *f2fs_path = "/sbin/mkfs.f2fs";
- const char* const f2fs_argv[] = {"mkfs.f2fs", "-t", "-d1", location, num_sectors, NULL};
- int status = exec_cmd(f2fs_path, (char* const*)f2fs_argv);
- free(num_sectors);
- if (status != 0) {
- printf("%s: mkfs.f2fs failed (%d) on %s",
- name, status, location);
- result = strdup("");
- goto done;
- }
- result = location;
-#endif
- } else {
- printf("%s: unsupported fs_type \"%s\" partition_type \"%s\"",
- name, fs_type, partition_type);
- }
-
-done:
- free(fs_type);
- free(partition_type);
- if (result != location) free(location);
- return StringValue(result);
-}
-
-Value* RenameFn(const char* name, State* state, int argc, Expr* argv[]) {
- char* result = NULL;
- if (argc != 2) {
- return ErrorAbort(state, "%s() expects 2 args, got %d", name, argc);
- }
-
- char* src_name;
- char* dst_name;
-
- if (ReadArgs(state, argv, 2, &src_name, &dst_name) < 0) {
- return NULL;
- }
- if (strlen(src_name) == 0) {
- ErrorAbort(state, "src_name argument to %s() can't be empty", name);
- goto done;
- }
- if (strlen(dst_name) == 0) {
- ErrorAbort(state, "dst_name argument to %s() can't be empty", name);
- goto done;
- }
- if (make_parents(dst_name) != 0) {
- ErrorAbort(state, "Creating parent of %s failed, error %s",
- dst_name, strerror(errno));
- } else if (access(dst_name, F_OK) == 0 && access(src_name, F_OK) != 0) {
- // File was already moved
- result = dst_name;
- } else if (rename(src_name, dst_name) != 0) {
- ErrorAbort(state, "Rename of %s to %s failed, error %s",
- src_name, dst_name, strerror(errno));
- } else {
- result = dst_name;
- }
-
-done:
- free(src_name);
- if (result != dst_name) free(dst_name);
- return StringValue(result);
-}
-
-Value* DeleteFn(const char* name, State* state, int argc, Expr* argv[]) {
- char** paths = malloc(argc * sizeof(char*));
- int i;
- for (i = 0; i < argc; ++i) {
- paths[i] = Evaluate(state, argv[i]);
- if (paths[i] == NULL) {
- int j;
- for (j = 0; j < i; ++i) {
- free(paths[j]);
- }
- free(paths);
- return NULL;
- }
- }
-
- bool recursive = (strcmp(name, "delete_recursive") == 0);
-
- int success = 0;
- for (i = 0; i < argc; ++i) {
- if ((recursive ? dirUnlinkHierarchy(paths[i]) : unlink(paths[i])) == 0)
- ++success;
- free(paths[i]);
- }
- free(paths);
-
- char buffer[10];
- sprintf(buffer, "%d", success);
- return StringValue(strdup(buffer));
-}
-
-
-Value* ShowProgressFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc != 2) {
- return ErrorAbort(state, "%s() expects 2 args, got %d", name, argc);
- }
- char* frac_str;
- char* sec_str;
- if (ReadArgs(state, argv, 2, &frac_str, &sec_str) < 0) {
- return NULL;
- }
-
- double frac = strtod(frac_str, NULL);
- int sec = strtol(sec_str, NULL, 10);
-
- UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
- fprintf(ui->cmd_pipe, "progress %f %d\n", frac, sec);
-
- free(sec_str);
- return StringValue(frac_str);
-}
-
-Value* SetProgressFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc != 1) {
- return ErrorAbort(state, "%s() expects 1 arg, got %d", name, argc);
- }
- char* frac_str;
- if (ReadArgs(state, argv, 1, &frac_str) < 0) {
- return NULL;
- }
-
- double frac = strtod(frac_str, NULL);
-
- UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
- fprintf(ui->cmd_pipe, "set_progress %f\n", frac);
-
- return StringValue(frac_str);
-}
-
-// package_extract_dir(package_path, destination_path)
-Value* PackageExtractDirFn(const char* name, State* state,
- int argc, Expr* argv[]) {
- if (argc != 2) {
- return ErrorAbort(state, "%s() expects 2 args, got %d", name, argc);
- }
- char* zip_path;
- char* dest_path;
- if (ReadArgs(state, argv, 2, &zip_path, &dest_path) < 0) return NULL;
-
- ZipArchive* za = ((UpdaterInfo*)(state->cookie))->package_zip;
-
- // To create a consistent system image, never use the clock for timestamps.
- struct utimbuf timestamp = { 1217592000, 1217592000 }; // 8/1/2008 default
-
- bool success = mzExtractRecursive(za, zip_path, dest_path,
- ×tamp,
- NULL, NULL, sehandle);
- free(zip_path);
- free(dest_path);
- return StringValue(strdup(success ? "t" : ""));
-}
-
-
-// package_extract_file(package_path, destination_path)
-// or
-// package_extract_file(package_path)
-// to return the entire contents of the file as the result of this
-// function (the char* returned is actually a FileContents*).
-Value* PackageExtractFileFn(const char* name, State* state,
- int argc, Expr* argv[]) {
- if (argc < 1 || argc > 2) {
- return ErrorAbort(state, "%s() expects 1 or 2 args, got %d",
- name, argc);
- }
- bool success = false;
-
- UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
-
- if (argc == 2) {
- // The two-argument version extracts to a file.
-
- ZipArchive* za = ((UpdaterInfo*)(state->cookie))->package_zip;
-
- char* zip_path;
- char* dest_path;
- if (ReadArgs(state, argv, 2, &zip_path, &dest_path) < 0) return NULL;
-
- const ZipEntry* entry = mzFindZipEntry(za, zip_path);
- if (entry == NULL) {
- printf("%s: no %s in package\n", name, zip_path);
- goto done2;
- }
-
- FILE* f = fopen(dest_path, "wb");
- if (f == NULL) {
- printf("%s: can't open %s for write: %s\n",
- name, dest_path, strerror(errno));
- goto done2;
- }
- success = mzExtractZipEntryToFile(za, entry, fileno(f));
- fclose(f);
-
- done2:
- free(zip_path);
- free(dest_path);
- return StringValue(strdup(success ? "t" : ""));
- } else {
- // The one-argument version returns the contents of the file
- // as the result.
-
- char* zip_path;
- Value* v = malloc(sizeof(Value));
- v->type = VAL_BLOB;
- v->size = -1;
- v->data = NULL;
-
- if (ReadArgs(state, argv, 1, &zip_path) < 0) return NULL;
-
- ZipArchive* za = ((UpdaterInfo*)(state->cookie))->package_zip;
- const ZipEntry* entry = mzFindZipEntry(za, zip_path);
- if (entry == NULL) {
- printf("%s: no %s in package\n", name, zip_path);
- goto done1;
- }
-
- v->size = mzGetZipEntryUncompLen(entry);
- v->data = malloc(v->size);
- if (v->data == NULL) {
- printf("%s: failed to allocate %ld bytes for %s\n",
- name, (long)v->size, zip_path);
- goto done1;
- }
-
- success = mzExtractZipEntryToBuffer(za, entry,
- (unsigned char *)v->data);
-
- done1:
- free(zip_path);
- if (!success) {
- free(v->data);
- v->data = NULL;
- v->size = -1;
- }
- return v;
- }
-}
-
-// Create all parent directories of name, if necessary.
-static int make_parents(char* name) {
- char* p;
- for (p = name + (strlen(name)-1); p > name; --p) {
- if (*p != '/') continue;
- *p = '\0';
- if (make_parents(name) < 0) return -1;
- int result = mkdir(name, 0700);
- if (result == 0) printf("created [%s]\n", name);
- *p = '/';
- if (result == 0 || errno == EEXIST) {
- // successfully created or already existed; we're done
- return 0;
- } else {
- printf("failed to mkdir %s: %s\n", name, strerror(errno));
- return -1;
- }
- }
- return 0;
-}
-
-// symlink target src1 src2 ...
-// unlinks any previously existing src1, src2, etc before creating symlinks.
-Value* SymlinkFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc == 0) {
- return ErrorAbort(state, "%s() expects 1+ args, got %d", name, argc);
- }
- char* target;
- target = Evaluate(state, argv[0]);
- if (target == NULL) return NULL;
-
- char** srcs = ReadVarArgs(state, argc-1, argv+1);
- if (srcs == NULL) {
- free(target);
- return NULL;
- }
-
- int bad = 0;
- int i;
- for (i = 0; i < argc-1; ++i) {
- if (unlink(srcs[i]) < 0) {
- if (errno != ENOENT) {
- printf("%s: failed to remove %s: %s\n",
- name, srcs[i], strerror(errno));
- ++bad;
- }
- }
- if (make_parents(srcs[i])) {
- printf("%s: failed to symlink %s to %s: making parents failed\n",
- name, srcs[i], target);
- ++bad;
- }
- if (symlink(target, srcs[i]) < 0) {
- printf("%s: failed to symlink %s to %s: %s\n",
- name, srcs[i], target, strerror(errno));
- ++bad;
- }
- free(srcs[i]);
- }
- free(srcs);
- if (bad) {
- return ErrorAbort(state, "%s: some symlinks failed", name);
- }
- return StringValue(strdup(""));
-}
-
-struct perm_parsed_args {
- bool has_uid;
- uid_t uid;
- bool has_gid;
- gid_t gid;
- bool has_mode;
- mode_t mode;
- bool has_fmode;
- mode_t fmode;
- bool has_dmode;
- mode_t dmode;
- bool has_selabel;
- char* selabel;
- bool has_capabilities;
- uint64_t capabilities;
-};
-
-static struct perm_parsed_args ParsePermArgs(State * state, int argc, char** args) {
- int i;
- struct perm_parsed_args parsed;
- int bad = 0;
- static int max_warnings = 20;
-
- memset(&parsed, 0, sizeof(parsed));
-
- for (i = 1; i < argc; i += 2) {
- if (strcmp("uid", args[i]) == 0) {
- int64_t uid;
- if (sscanf(args[i+1], "%" SCNd64, &uid) == 1) {
- parsed.uid = uid;
- parsed.has_uid = true;
- } else {
- uiPrintf(state, "ParsePermArgs: invalid UID \"%s\"\n", args[i + 1]);
- bad++;
- }
- continue;
- }
- if (strcmp("gid", args[i]) == 0) {
- int64_t gid;
- if (sscanf(args[i+1], "%" SCNd64, &gid) == 1) {
- parsed.gid = gid;
- parsed.has_gid = true;
- } else {
- uiPrintf(state, "ParsePermArgs: invalid GID \"%s\"\n", args[i + 1]);
- bad++;
- }
- continue;
- }
- if (strcmp("mode", args[i]) == 0) {
- int32_t mode;
- if (sscanf(args[i+1], "%" SCNi32, &mode) == 1) {
- parsed.mode = mode;
- parsed.has_mode = true;
- } else {
- uiPrintf(state, "ParsePermArgs: invalid mode \"%s\"\n", args[i + 1]);
- bad++;
- }
- continue;
- }
- if (strcmp("dmode", args[i]) == 0) {
- int32_t mode;
- if (sscanf(args[i+1], "%" SCNi32, &mode) == 1) {
- parsed.dmode = mode;
- parsed.has_dmode = true;
- } else {
- uiPrintf(state, "ParsePermArgs: invalid dmode \"%s\"\n", args[i + 1]);
- bad++;
- }
- continue;
- }
- if (strcmp("fmode", args[i]) == 0) {
- int32_t mode;
- if (sscanf(args[i+1], "%" SCNi32, &mode) == 1) {
- parsed.fmode = mode;
- parsed.has_fmode = true;
- } else {
- uiPrintf(state, "ParsePermArgs: invalid fmode \"%s\"\n", args[i + 1]);
- bad++;
- }
- continue;
- }
- if (strcmp("capabilities", args[i]) == 0) {
- int64_t capabilities;
- if (sscanf(args[i+1], "%" SCNi64, &capabilities) == 1) {
- parsed.capabilities = capabilities;
- parsed.has_capabilities = true;
- } else {
- uiPrintf(state, "ParsePermArgs: invalid capabilities \"%s\"\n", args[i + 1]);
- bad++;
- }
- continue;
- }
- if (strcmp("selabel", args[i]) == 0) {
- if (args[i+1][0] != '\0') {
- parsed.selabel = args[i+1];
- parsed.has_selabel = true;
- } else {
- uiPrintf(state, "ParsePermArgs: invalid selabel \"%s\"\n", args[i + 1]);
- bad++;
- }
- continue;
- }
- if (max_warnings != 0) {
- printf("ParsedPermArgs: unknown key \"%s\", ignoring\n", args[i]);
- max_warnings--;
- if (max_warnings == 0) {
- printf("ParsedPermArgs: suppressing further warnings\n");
- }
- }
- }
- return parsed;
-}
-
-static int ApplyParsedPerms(
- State * state,
- const char* filename,
- const struct stat *statptr,
- struct perm_parsed_args parsed)
-{
- int bad = 0;
-
- if (parsed.has_selabel) {
- if (lsetfilecon(filename, parsed.selabel) != 0) {
- uiPrintf(state, "ApplyParsedPerms: lsetfilecon of %s to %s failed: %s\n",
- filename, parsed.selabel, strerror(errno));
- bad++;
- }
- }
-
- /* ignore symlinks */
- if (S_ISLNK(statptr->st_mode)) {
- return bad;
- }
-
- if (parsed.has_uid) {
- if (chown(filename, parsed.uid, -1) < 0) {
- uiPrintf(state, "ApplyParsedPerms: chown of %s to %d failed: %s\n",
- filename, parsed.uid, strerror(errno));
- bad++;
- }
- }
-
- if (parsed.has_gid) {
- if (chown(filename, -1, parsed.gid) < 0) {
- uiPrintf(state, "ApplyParsedPerms: chgrp of %s to %d failed: %s\n",
- filename, parsed.gid, strerror(errno));
- bad++;
- }
- }
-
- if (parsed.has_mode) {
- if (chmod(filename, parsed.mode) < 0) {
- uiPrintf(state, "ApplyParsedPerms: chmod of %s to %d failed: %s\n",
- filename, parsed.mode, strerror(errno));
- bad++;
- }
- }
-
- if (parsed.has_dmode && S_ISDIR(statptr->st_mode)) {
- if (chmod(filename, parsed.dmode) < 0) {
- uiPrintf(state, "ApplyParsedPerms: chmod of %s to %d failed: %s\n",
- filename, parsed.dmode, strerror(errno));
- bad++;
- }
- }
-
- if (parsed.has_fmode && S_ISREG(statptr->st_mode)) {
- if (chmod(filename, parsed.fmode) < 0) {
- uiPrintf(state, "ApplyParsedPerms: chmod of %s to %d failed: %s\n",
- filename, parsed.fmode, strerror(errno));
- bad++;
- }
- }
-
- if (parsed.has_capabilities && S_ISREG(statptr->st_mode)) {
- if (parsed.capabilities == 0) {
- if ((removexattr(filename, XATTR_NAME_CAPS) == -1) && (errno != ENODATA)) {
- // Report failure unless it's ENODATA (attribute not set)
- uiPrintf(state, "ApplyParsedPerms: removexattr of %s to %" PRIx64 " failed: %s\n",
- filename, parsed.capabilities, strerror(errno));
- bad++;
- }
- } else {
- struct vfs_cap_data cap_data;
- memset(&cap_data, 0, sizeof(cap_data));
- cap_data.magic_etc = VFS_CAP_REVISION | VFS_CAP_FLAGS_EFFECTIVE;
- cap_data.data[0].permitted = (uint32_t) (parsed.capabilities & 0xffffffff);
- cap_data.data[0].inheritable = 0;
- cap_data.data[1].permitted = (uint32_t) (parsed.capabilities >> 32);
- cap_data.data[1].inheritable = 0;
- if (setxattr(filename, XATTR_NAME_CAPS, &cap_data, sizeof(cap_data), 0) < 0) {
- uiPrintf(state, "ApplyParsedPerms: setcap of %s to %" PRIx64 " failed: %s\n",
- filename, parsed.capabilities, strerror(errno));
- bad++;
- }
- }
- }
-
- return bad;
-}
-
-// nftw doesn't allow us to pass along context, so we need to use
-// global variables. *sigh*
-static struct perm_parsed_args recursive_parsed_args;
-static State* recursive_state;
-
-static int do_SetMetadataRecursive(const char* filename, const struct stat *statptr,
- int fileflags, struct FTW *pfwt) {
- return ApplyParsedPerms(recursive_state, filename, statptr, recursive_parsed_args);
-}
-
-static Value* SetMetadataFn(const char* name, State* state, int argc, Expr* argv[]) {
- int i;
- int bad = 0;
- static int nwarnings = 0;
- struct stat sb;
- Value* result = NULL;
-
- bool recursive = (strcmp(name, "set_metadata_recursive") == 0);
-
- if ((argc % 2) != 1) {
- return ErrorAbort(state, "%s() expects an odd number of arguments, got %d",
- name, argc);
- }
-
- char** args = ReadVarArgs(state, argc, argv);
- if (args == NULL) return NULL;
-
- if (lstat(args[0], &sb) == -1) {
- result = ErrorAbort(state, "%s: Error on lstat of \"%s\": %s", name, args[0], strerror(errno));
- goto done;
- }
-
- struct perm_parsed_args parsed = ParsePermArgs(state, argc, args);
-
- if (recursive) {
- recursive_parsed_args = parsed;
- recursive_state = state;
- bad += nftw(args[0], do_SetMetadataRecursive, 30, FTW_CHDIR | FTW_DEPTH | FTW_PHYS);
- memset(&recursive_parsed_args, 0, sizeof(recursive_parsed_args));
- recursive_state = NULL;
- } else {
- bad += ApplyParsedPerms(state, args[0], &sb, parsed);
- }
-
-done:
- for (i = 0; i < argc; ++i) {
- free(args[i]);
- }
- free(args);
-
- if (result != NULL) {
- return result;
- }
-
- if (bad > 0) {
- return ErrorAbort(state, "%s: some changes failed", name);
- }
-
- return StringValue(strdup(""));
-}
-
-Value* GetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc != 1) {
- return ErrorAbort(state, "%s() expects 1 arg, got %d", name, argc);
- }
- char* key;
- key = Evaluate(state, argv[0]);
- if (key == NULL) return NULL;
-
- char value[PROPERTY_VALUE_MAX];
- property_get(key, value, "");
- free(key);
-
- return StringValue(strdup(value));
-}
-
-
-// file_getprop(file, key)
-//
-// interprets 'file' as a getprop-style file (key=value pairs, one
-// per line. # comment lines,blank lines, lines without '=' ignored),
-// and returns the value for 'key' (or "" if it isn't defined).
-Value* FileGetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
- char* result = NULL;
- char* buffer = NULL;
- char* filename;
- char* key;
- if (ReadArgs(state, argv, 2, &filename, &key) < 0) {
- return NULL;
- }
-
- struct stat st;
- if (stat(filename, &st) < 0) {
- ErrorAbort(state, "%s: failed to stat \"%s\": %s",
- name, filename, strerror(errno));
- goto done;
- }
-
-#define MAX_FILE_GETPROP_SIZE 65536
-
- if (st.st_size > MAX_FILE_GETPROP_SIZE) {
- ErrorAbort(state, "%s too large for %s (max %d)",
- filename, name, MAX_FILE_GETPROP_SIZE);
- goto done;
- }
-
- buffer = malloc(st.st_size+1);
- if (buffer == NULL) {
- ErrorAbort(state, "%s: failed to alloc %lld bytes", name, (long long)st.st_size+1);
- goto done;
- }
-
- FILE* f = fopen(filename, "rb");
- if (f == NULL) {
- ErrorAbort(state, "%s: failed to open %s: %s",
- name, filename, strerror(errno));
- goto done;
- }
-
- if (fread(buffer, 1, st.st_size, f) != st.st_size) {
- ErrorAbort(state, "%s: failed to read %lld bytes from %s",
- name, (long long)st.st_size+1, filename);
- fclose(f);
- goto done;
- }
- buffer[st.st_size] = '\0';
-
- fclose(f);
-
- char* line = strtok(buffer, "\n");
- do {
- // skip whitespace at start of line
- while (*line && isspace(*line)) ++line;
-
- // comment or blank line: skip to next line
- if (*line == '\0' || *line == '#') continue;
-
- char* equal = strchr(line, '=');
- if (equal == NULL) {
- continue;
- }
-
- // trim whitespace between key and '='
- char* key_end = equal-1;
- while (key_end > line && isspace(*key_end)) --key_end;
- key_end[1] = '\0';
-
- // not the key we're looking for
- if (strcmp(key, line) != 0) continue;
-
- // skip whitespace after the '=' to the start of the value
- char* val_start = equal+1;
- while(*val_start && isspace(*val_start)) ++val_start;
-
- // trim trailing whitespace
- char* val_end = val_start + strlen(val_start)-1;
- while (val_end > val_start && isspace(*val_end)) --val_end;
- val_end[1] = '\0';
-
- result = strdup(val_start);
- break;
-
- } while ((line = strtok(NULL, "\n")));
-
- if (result == NULL) result = strdup("");
-
- done:
- free(filename);
- free(key);
- free(buffer);
- return StringValue(result);
-}
-
-
-static bool write_raw_image_cb(const unsigned char* data,
- int data_len, void* ctx) {
- int r = mtd_write_data((MtdWriteContext*)ctx, (const char *)data, data_len);
- if (r == data_len) return true;
- printf("%s\n", strerror(errno));
- return false;
-}
-
-// write_raw_image(filename_or_blob, partition)
-Value* WriteRawImageFn(const char* name, State* state, int argc, Expr* argv[]) {
- char* result = NULL;
-
- Value* partition_value;
- Value* contents;
- if (ReadValueArgs(state, argv, 2, &contents, &partition_value) < 0) {
- return NULL;
- }
-
- char* partition = NULL;
- if (partition_value->type != VAL_STRING) {
- ErrorAbort(state, "partition argument to %s must be string", name);
- goto done;
- }
- partition = partition_value->data;
- if (strlen(partition) == 0) {
- ErrorAbort(state, "partition argument to %s can't be empty", name);
- goto done;
- }
- if (contents->type == VAL_STRING && strlen((char*) contents->data) == 0) {
- ErrorAbort(state, "file argument to %s can't be empty", name);
- goto done;
- }
-
- mtd_scan_partitions();
- const MtdPartition* mtd = mtd_find_partition_by_name(partition);
- if (mtd == NULL) {
- printf("%s: no mtd partition named \"%s\"\n", name, partition);
- result = strdup("");
- goto done;
- }
-
- MtdWriteContext* ctx = mtd_write_partition(mtd);
- if (ctx == NULL) {
- printf("%s: can't write mtd partition \"%s\"\n",
- name, partition);
- result = strdup("");
- goto done;
- }
-
- bool success;
-
- if (contents->type == VAL_STRING) {
- // we're given a filename as the contents
- char* filename = contents->data;
- FILE* f = fopen(filename, "rb");
- if (f == NULL) {
- printf("%s: can't open %s: %s\n",
- name, filename, strerror(errno));
- result = strdup("");
- goto done;
- }
-
- success = true;
- char* buffer = malloc(BUFSIZ);
- int read;
- while (success && (read = fread(buffer, 1, BUFSIZ, f)) > 0) {
- int wrote = mtd_write_data(ctx, buffer, read);
- success = success && (wrote == read);
- }
- free(buffer);
- fclose(f);
- } else {
- // we're given a blob as the contents
- ssize_t wrote = mtd_write_data(ctx, contents->data, contents->size);
- success = (wrote == contents->size);
- }
- if (!success) {
- printf("mtd_write_data to %s failed: %s\n",
- partition, strerror(errno));
- }
-
- if (mtd_erase_blocks(ctx, -1) == -1) {
- printf("%s: error erasing blocks of %s\n", name, partition);
- }
- if (mtd_write_close(ctx) != 0) {
- printf("%s: error closing write of %s\n", name, partition);
- }
-
- printf("%s %s partition\n",
- success ? "wrote" : "failed to write", partition);
-
- result = success ? partition : strdup("");
-
-done:
- if (result != partition) FreeValue(partition_value);
- FreeValue(contents);
- return StringValue(result);
-}
-
-// apply_patch_space(bytes)
-Value* ApplyPatchSpaceFn(const char* name, State* state,
- int argc, Expr* argv[]) {
- char* bytes_str;
- if (ReadArgs(state, argv, 1, &bytes_str) < 0) {
- return NULL;
- }
-
- char* endptr;
- size_t bytes = strtol(bytes_str, &endptr, 10);
- if (bytes == 0 && endptr == bytes_str) {
- ErrorAbort(state, "%s(): can't parse \"%s\" as byte count\n\n",
- name, bytes_str);
- free(bytes_str);
- return NULL;
- }
-
- return StringValue(strdup(CacheSizeCheck(bytes) ? "" : "t"));
-}
-
-// apply_patch(file, size, init_sha1, tgt_sha1, patch)
-
-Value* ApplyPatchFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc < 6 || (argc % 2) == 1) {
- return ErrorAbort(state, "%s(): expected at least 6 args and an "
- "even number, got %d",
- name, argc);
- }
-
- char* source_filename;
- char* target_filename;
- char* target_sha1;
- char* target_size_str;
- if (ReadArgs(state, argv, 4, &source_filename, &target_filename,
- &target_sha1, &target_size_str) < 0) {
- return NULL;
- }
-
- char* endptr;
- size_t target_size = strtol(target_size_str, &endptr, 10);
- if (target_size == 0 && endptr == target_size_str) {
- ErrorAbort(state, "%s(): can't parse \"%s\" as byte count",
- name, target_size_str);
- free(source_filename);
- free(target_filename);
- free(target_sha1);
- free(target_size_str);
- return NULL;
- }
-
- int patchcount = (argc-4) / 2;
- Value** patches = ReadValueVarArgs(state, argc-4, argv+4);
-
- int i;
- for (i = 0; i < patchcount; ++i) {
- if (patches[i*2]->type != VAL_STRING) {
- ErrorAbort(state, "%s(): sha-1 #%d is not string", name, i);
- break;
- }
- if (patches[i*2+1]->type != VAL_BLOB) {
- ErrorAbort(state, "%s(): patch #%d is not blob", name, i);
- break;
- }
- }
- if (i != patchcount) {
- for (i = 0; i < patchcount*2; ++i) {
- FreeValue(patches[i]);
- }
- free(patches);
- return NULL;
- }
-
- char** patch_sha_str = malloc(patchcount * sizeof(char*));
- for (i = 0; i < patchcount; ++i) {
- patch_sha_str[i] = patches[i*2]->data;
- patches[i*2]->data = NULL;
- FreeValue(patches[i*2]);
- patches[i] = patches[i*2+1];
- }
-
- int result = applypatch(source_filename, target_filename,
- target_sha1, target_size,
- patchcount, patch_sha_str, patches, NULL);
-
- for (i = 0; i < patchcount; ++i) {
- FreeValue(patches[i]);
- }
- free(patch_sha_str);
- free(patches);
-
- return StringValue(strdup(result == 0 ? "t" : ""));
-}
-
-// apply_patch_check(file, [sha1_1, ...])
-Value* ApplyPatchCheckFn(const char* name, State* state,
- int argc, Expr* argv[]) {
- if (argc < 1) {
- return ErrorAbort(state, "%s(): expected at least 1 arg, got %d",
- name, argc);
- }
-
- char* filename;
- if (ReadArgs(state, argv, 1, &filename) < 0) {
- return NULL;
- }
-
- int patchcount = argc-1;
- char** sha1s = ReadVarArgs(state, argc-1, argv+1);
-
- int result = applypatch_check(filename, patchcount, sha1s);
-
- int i;
- for (i = 0; i < patchcount; ++i) {
- free(sha1s[i]);
- }
- free(sha1s);
-
- return StringValue(strdup(result == 0 ? "t" : ""));
-}
-
-Value* UIPrintFn(const char* name, State* state, int argc, Expr* argv[]) {
- char** args = ReadVarArgs(state, argc, argv);
- if (args == NULL) {
- return NULL;
- }
-
- int size = 0;
- int i;
- for (i = 0; i < argc; ++i) {
- size += strlen(args[i]);
- }
- char* buffer = malloc(size+1);
- size = 0;
- for (i = 0; i < argc; ++i) {
- strcpy(buffer+size, args[i]);
- size += strlen(args[i]);
- free(args[i]);
- }
- free(args);
- buffer[size] = '\0';
- uiPrint(state, buffer);
- return StringValue(buffer);
-}
-
-Value* WipeCacheFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc != 0) {
- return ErrorAbort(state, "%s() expects no args, got %d", name, argc);
- }
- fprintf(((UpdaterInfo*)(state->cookie))->cmd_pipe, "wipe_cache\n");
- return StringValue(strdup("t"));
-}
-
-Value* RunProgramFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc < 1) {
- return ErrorAbort(state, "%s() expects at least 1 arg", name);
- }
- char** args = ReadVarArgs(state, argc, argv);
- if (args == NULL) {
- return NULL;
- }
-
- char** args2 = malloc(sizeof(char*) * (argc+1));
- memcpy(args2, args, sizeof(char*) * argc);
- args2[argc] = NULL;
-
- printf("about to run program [%s] with %d args\n", args2[0], argc);
-
- pid_t child = fork();
- if (child == 0) {
- execv(args2[0], args2);
- printf("run_program: execv failed: %s\n", strerror(errno));
- _exit(1);
- }
- int status;
- waitpid(child, &status, 0);
- if (WIFEXITED(status)) {
- if (WEXITSTATUS(status) != 0) {
- printf("run_program: child exited with status %d\n",
- WEXITSTATUS(status));
- }
- } else if (WIFSIGNALED(status)) {
- printf("run_program: child terminated by signal %d\n",
- WTERMSIG(status));
- }
-
- int i;
- for (i = 0; i < argc; ++i) {
- free(args[i]);
- }
- free(args);
- free(args2);
-
- char buffer[20];
- sprintf(buffer, "%d", status);
-
- return StringValue(strdup(buffer));
-}
-
-// sha1_check(data)
-// to return the sha1 of the data (given in the format returned by
-// read_file).
-//
-// sha1_check(data, sha1_hex, [sha1_hex, ...])
-// returns the sha1 of the file if it matches any of the hex
-// strings passed, or "" if it does not equal any of them.
-//
-Value* Sha1CheckFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc < 1) {
- return ErrorAbort(state, "%s() expects at least 1 arg", name);
- }
-
- Value** args = ReadValueVarArgs(state, argc, argv);
- if (args == NULL) {
- return NULL;
- }
-
- if (args[0]->size < 0) {
- return StringValue(strdup(""));
- }
- uint8_t digest[SHA_DIGEST_SIZE];
- SHA_hash(args[0]->data, args[0]->size, digest);
- FreeValue(args[0]);
-
- if (argc == 1) {
- return StringValue(PrintSha1(digest));
- }
-
- int i;
- uint8_t* arg_digest = malloc(SHA_DIGEST_SIZE);
- for (i = 1; i < argc; ++i) {
- if (args[i]->type != VAL_STRING) {
- printf("%s(): arg %d is not a string; skipping",
- name, i);
- } else if (ParseSha1(args[i]->data, arg_digest) != 0) {
- // Warn about bad args and skip them.
- printf("%s(): error parsing \"%s\" as sha-1; skipping",
- name, args[i]->data);
- } else if (memcmp(digest, arg_digest, SHA_DIGEST_SIZE) == 0) {
- break;
- }
- FreeValue(args[i]);
- }
- if (i >= argc) {
- // Didn't match any of the hex strings; return false.
- return StringValue(strdup(""));
- }
- // Found a match; free all the remaining arguments and return the
- // matched one.
- int j;
- for (j = i+1; j < argc; ++j) {
- FreeValue(args[j]);
- }
- return args[i];
-}
-
-// Read a local file and return its contents (the Value* returned
-// is actually a FileContents*).
-Value* ReadFileFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc != 1) {
- return ErrorAbort(state, "%s() expects 1 arg, got %d", name, argc);
- }
- char* filename;
- if (ReadArgs(state, argv, 1, &filename) < 0) return NULL;
-
- Value* v = malloc(sizeof(Value));
- v->type = VAL_BLOB;
-
- FileContents fc;
- if (LoadFileContents(filename, &fc) != 0) {
- free(filename);
- v->size = -1;
- v->data = NULL;
- free(fc.data);
- return v;
- }
-
- v->size = fc.size;
- v->data = (char*)fc.data;
-
- free(filename);
- return v;
-}
-
-// Immediately reboot the device. Recovery is not finished normally,
-// so if you reboot into recovery it will re-start applying the
-// current package (because nothing has cleared the copy of the
-// arguments stored in the BCB).
-//
-// The argument is the partition name passed to the android reboot
-// property. It can be "recovery" to boot from the recovery
-// partition, or "" (empty string) to boot from the regular boot
-// partition.
-Value* RebootNowFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc != 2) {
- return ErrorAbort(state, "%s() expects 2 args, got %d", name, argc);
- }
-
- char* filename;
- char* property;
- if (ReadArgs(state, argv, 2, &filename, &property) < 0) return NULL;
-
- char buffer[80];
-
- // zero out the 'command' field of the bootloader message.
- memset(buffer, 0, sizeof(((struct bootloader_message*)0)->command));
- FILE* f = fopen(filename, "r+b");
- fseek(f, offsetof(struct bootloader_message, command), SEEK_SET);
- fwrite(buffer, sizeof(((struct bootloader_message*)0)->command), 1, f);
- fclose(f);
- free(filename);
-
- strcpy(buffer, "reboot,");
- if (property != NULL) {
- strncat(buffer, property, sizeof(buffer)-10);
- }
-
- property_set(ANDROID_RB_PROPERTY, buffer);
-
- sleep(5);
- free(property);
- ErrorAbort(state, "%s() failed to reboot", name);
- return NULL;
-}
-
-// Store a string value somewhere that future invocations of recovery
-// can access it. This value is called the "stage" and can be used to
-// drive packages that need to do reboots in the middle of
-// installation and keep track of where they are in the multi-stage
-// install.
-//
-// The first argument is the block device for the misc partition
-// ("/misc" in the fstab), which is where this value is stored. The
-// second argument is the string to store; it should not exceed 31
-// bytes.
-Value* SetStageFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc != 2) {
- return ErrorAbort(state, "%s() expects 2 args, got %d", name, argc);
- }
-
- char* filename;
- char* stagestr;
- if (ReadArgs(state, argv, 2, &filename, &stagestr) < 0) return NULL;
-
- // Store this value in the misc partition, immediately after the
- // bootloader message that the main recovery uses to save its
- // arguments in case of the device restarting midway through
- // package installation.
- FILE* f = fopen(filename, "r+b");
- fseek(f, offsetof(struct bootloader_message, stage), SEEK_SET);
- int to_write = strlen(stagestr)+1;
- int max_size = sizeof(((struct bootloader_message*)0)->stage);
- if (to_write > max_size) {
- to_write = max_size;
- stagestr[max_size-1] = 0;
- }
- fwrite(stagestr, to_write, 1, f);
- fclose(f);
-
- free(stagestr);
- return StringValue(filename);
-}
-
-// Return the value most recently saved with SetStageFn. The argument
-// is the block device for the misc partition.
-Value* GetStageFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc != 1) {
- return ErrorAbort(state, "%s() expects 1 arg, got %d", name, argc);
- }
-
- char* filename;
- if (ReadArgs(state, argv, 1, &filename) < 0) return NULL;
-
- char buffer[sizeof(((struct bootloader_message*)0)->stage)];
- FILE* f = fopen(filename, "rb");
- fseek(f, offsetof(struct bootloader_message, stage), SEEK_SET);
- fread(buffer, sizeof(buffer), 1, f);
- fclose(f);
- buffer[sizeof(buffer)-1] = '\0';
-
- return StringValue(strdup(buffer));
-}
-
-Value* WipeBlockDeviceFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc != 2) {
- return ErrorAbort(state, "%s() expects 2 args, got %d", name, argc);
- }
-
- char* filename;
- char* len_str;
- if (ReadArgs(state, argv, 2, &filename, &len_str) < 0) return NULL;
-
- size_t len = strtoull(len_str, NULL, 0);
- int fd = open(filename, O_WRONLY, 0644);
- int success = wipe_block_device(fd, len);
-
- free(filename);
- free(len_str);
-
- close(fd);
-
- return StringValue(strdup(success ? "t" : ""));
-}
-
-Value* EnableRebootFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc != 0) {
- return ErrorAbort(state, "%s() expects no args, got %d", name, argc);
- }
- UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
- fprintf(ui->cmd_pipe, "enable_reboot\n");
- return StringValue(strdup("t"));
-}
-
-Value* Tune2FsFn(const char* name, State* state, int argc, Expr* argv[]) {
- if (argc == 0) {
- return ErrorAbort(state, "%s() expects args, got %d", name, argc);
- }
-
- char** args = ReadVarArgs(state, argc, argv);
- if (args == NULL) {
- return ErrorAbort(state, "%s() could not read args", name);
- }
-
- int i;
- char** args2 = malloc(sizeof(char*) * (argc+1));
- // Tune2fs expects the program name as its args[0]
- args2[0] = strdup(name);
- for (i = 0; i < argc; ++i) {
- args2[i + 1] = args[i];
- }
- int result = tune2fs_main(argc + 1, args2);
- for (i = 0; i < argc; ++i) {
- free(args[i]);
- }
- free(args);
-
- free(args2[0]);
- free(args2);
- if (result != 0) {
- return ErrorAbort(state, "%s() returned error code %d", name, result);
- }
- return StringValue(strdup("t"));
-}
-
-void RegisterInstallFunctions() {
- RegisterFunction("mount", MountFn);
- RegisterFunction("is_mounted", IsMountedFn);
- RegisterFunction("unmount", UnmountFn);
- RegisterFunction("format", FormatFn);
- RegisterFunction("show_progress", ShowProgressFn);
- RegisterFunction("set_progress", SetProgressFn);
- RegisterFunction("delete", DeleteFn);
- RegisterFunction("delete_recursive", DeleteFn);
- RegisterFunction("package_extract_dir", PackageExtractDirFn);
- RegisterFunction("package_extract_file", PackageExtractFileFn);
- RegisterFunction("symlink", SymlinkFn);
-
- // Usage:
- // set_metadata("filename", "key1", "value1", "key2", "value2", ...)
- // Example:
- // set_metadata("/system/bin/netcfg", "uid", 0, "gid", 3003, "mode", 02750, "selabel", "u:object_r:system_file:s0", "capabilities", 0x0);
- RegisterFunction("set_metadata", SetMetadataFn);
-
- // Usage:
- // set_metadata_recursive("dirname", "key1", "value1", "key2", "value2", ...)
- // Example:
- // set_metadata_recursive("/system", "uid", 0, "gid", 0, "fmode", 0644, "dmode", 0755, "selabel", "u:object_r:system_file:s0", "capabilities", 0x0);
- RegisterFunction("set_metadata_recursive", SetMetadataFn);
-
- RegisterFunction("getprop", GetPropFn);
- RegisterFunction("file_getprop", FileGetPropFn);
- RegisterFunction("write_raw_image", WriteRawImageFn);
-
- RegisterFunction("apply_patch", ApplyPatchFn);
- RegisterFunction("apply_patch_check", ApplyPatchCheckFn);
- RegisterFunction("apply_patch_space", ApplyPatchSpaceFn);
-
- RegisterFunction("wipe_block_device", WipeBlockDeviceFn);
-
- RegisterFunction("read_file", ReadFileFn);
- RegisterFunction("sha1_check", Sha1CheckFn);
- RegisterFunction("rename", RenameFn);
-
- RegisterFunction("wipe_cache", WipeCacheFn);
-
- RegisterFunction("ui_print", UIPrintFn);
-
- RegisterFunction("run_program", RunProgramFn);
-
- RegisterFunction("reboot_now", RebootNowFn);
- RegisterFunction("get_stage", GetStageFn);
- RegisterFunction("set_stage", SetStageFn);
-
- RegisterFunction("enable_reboot", EnableRebootFn);
- RegisterFunction("tune2fs", Tune2FsFn);
-}
diff --git a/updater/install.cpp b/updater/install.cpp
new file mode 100644
index 0000000..1a647df
--- /dev/null
+++ b/updater/install.cpp
@@ -0,0 +1,1643 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <time.h>
+#include <selinux/selinux.h>
+#include <ftw.h>
+#include <sys/capability.h>
+#include <sys/xattr.h>
+#include <linux/xattr.h>
+#include <inttypes.h>
+
+#include <memory>
+#include <vector>
+
+#include <android-base/parseint.h>
+#include <android-base/strings.h>
+#include <android-base/stringprintf.h>
+
+#include "bootloader.h"
+#include "applypatch/applypatch.h"
+#include "cutils/android_reboot.h"
+#include "cutils/misc.h"
+#include "cutils/properties.h"
+#include "edify/expr.h"
+#include "error_code.h"
+#include "minzip/DirUtil.h"
+#include "mtdutils/mounts.h"
+#include "mtdutils/mtdutils.h"
+#include "openssl/sha.h"
+#include "ota_io.h"
+#include "updater.h"
+#include "install.h"
+#include "tune2fs.h"
+
+#ifdef USE_EXT4
+#include "make_ext4fs.h"
+#include "wipe.h"
+#endif
+
+// Send over the buffer to recovery though the command pipe.
+static void uiPrint(State* state, const std::string& buffer) {
+ UpdaterInfo* ui = reinterpret_cast<UpdaterInfo*>(state->cookie);
+
+ // "line1\nline2\n" will be split into 3 tokens: "line1", "line2" and "".
+ // So skip sending empty strings to UI.
+ std::vector<std::string> lines = android::base::Split(buffer, "\n");
+ for (auto& line: lines) {
+ if (!line.empty()) {
+ fprintf(ui->cmd_pipe, "ui_print %s\n", line.c_str());
+ fprintf(ui->cmd_pipe, "ui_print\n");
+ }
+ }
+
+ // On the updater side, we need to dump the contents to stderr (which has
+ // been redirected to the log file). Because the recovery will only print
+ // the contents to screen when processing pipe command ui_print.
+ fprintf(stderr, "%s", buffer.c_str());
+}
+
+__attribute__((__format__(printf, 2, 3))) __nonnull((2))
+void uiPrintf(State* state, const char* format, ...) {
+ std::string error_msg;
+
+ va_list ap;
+ va_start(ap, format);
+ android::base::StringAppendV(&error_msg, format, ap);
+ va_end(ap);
+
+ uiPrint(state, error_msg);
+}
+
+// Take a sha-1 digest and return it as a newly-allocated hex string.
+char* PrintSha1(const uint8_t* digest) {
+ char* buffer = reinterpret_cast<char*>(malloc(SHA_DIGEST_LENGTH*2 + 1));
+ const char* alphabet = "0123456789abcdef";
+ size_t i;
+ for (i = 0; i < SHA_DIGEST_LENGTH; ++i) {
+ buffer[i*2] = alphabet[(digest[i] >> 4) & 0xf];
+ buffer[i*2+1] = alphabet[digest[i] & 0xf];
+ }
+ buffer[i*2] = '\0';
+ return buffer;
+}
+
+// mount(fs_type, partition_type, location, mount_point)
+//
+// fs_type="yaffs2" partition_type="MTD" location=partition
+// fs_type="ext4" partition_type="EMMC" location=device
+Value* MountFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* result = NULL;
+ if (argc != 4 && argc != 5) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 4-5 args, got %d", name, argc);
+ }
+ char* fs_type;
+ char* partition_type;
+ char* location;
+ char* mount_point;
+ char* mount_options;
+ bool has_mount_options;
+ if (argc == 5) {
+ has_mount_options = true;
+ if (ReadArgs(state, argv, 5, &fs_type, &partition_type,
+ &location, &mount_point, &mount_options) < 0) {
+ return NULL;
+ }
+ } else {
+ has_mount_options = false;
+ if (ReadArgs(state, argv, 4, &fs_type, &partition_type,
+ &location, &mount_point) < 0) {
+ return NULL;
+ }
+ }
+
+ if (strlen(fs_type) == 0) {
+ ErrorAbort(state, kArgsParsingFailure, "fs_type argument to %s() can't be empty", name);
+ goto done;
+ }
+ if (strlen(partition_type) == 0) {
+ ErrorAbort(state, kArgsParsingFailure, "partition_type argument to %s() can't be empty",
+ name);
+ goto done;
+ }
+ if (strlen(location) == 0) {
+ ErrorAbort(state, kArgsParsingFailure, "location argument to %s() can't be empty", name);
+ goto done;
+ }
+ if (strlen(mount_point) == 0) {
+ ErrorAbort(state, kArgsParsingFailure, "mount_point argument to %s() can't be empty",
+ name);
+ goto done;
+ }
+
+ {
+ char *secontext = NULL;
+
+ if (sehandle) {
+ selabel_lookup(sehandle, &secontext, mount_point, 0755);
+ setfscreatecon(secontext);
+ }
+
+ mkdir(mount_point, 0755);
+
+ if (secontext) {
+ freecon(secontext);
+ setfscreatecon(NULL);
+ }
+ }
+
+ if (strcmp(partition_type, "MTD") == 0) {
+ mtd_scan_partitions();
+ const MtdPartition* mtd;
+ mtd = mtd_find_partition_by_name(location);
+ if (mtd == NULL) {
+ uiPrintf(state, "%s: no mtd partition named \"%s\"\n",
+ name, location);
+ result = strdup("");
+ goto done;
+ }
+ if (mtd_mount_partition(mtd, mount_point, fs_type, 0 /* rw */) != 0) {
+ uiPrintf(state, "mtd mount of %s failed: %s\n",
+ location, strerror(errno));
+ result = strdup("");
+ goto done;
+ }
+ result = mount_point;
+ } else {
+ if (mount(location, mount_point, fs_type,
+ MS_NOATIME | MS_NODEV | MS_NODIRATIME,
+ has_mount_options ? mount_options : "") < 0) {
+ uiPrintf(state, "%s: failed to mount %s at %s: %s\n",
+ name, location, mount_point, strerror(errno));
+ result = strdup("");
+ } else {
+ result = mount_point;
+ }
+ }
+
+done:
+ free(fs_type);
+ free(partition_type);
+ free(location);
+ if (result != mount_point) free(mount_point);
+ if (has_mount_options) free(mount_options);
+ return StringValue(result);
+}
+
+
+// is_mounted(mount_point)
+Value* IsMountedFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* result = NULL;
+ if (argc != 1) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc);
+ }
+ char* mount_point;
+ if (ReadArgs(state, argv, 1, &mount_point) < 0) {
+ return NULL;
+ }
+ if (strlen(mount_point) == 0) {
+ ErrorAbort(state, kArgsParsingFailure, "mount_point argument to unmount() can't be empty");
+ goto done;
+ }
+
+ scan_mounted_volumes();
+ {
+ const MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point);
+ if (vol == NULL) {
+ result = strdup("");
+ } else {
+ result = mount_point;
+ }
+ }
+
+done:
+ if (result != mount_point) free(mount_point);
+ return StringValue(result);
+}
+
+
+Value* UnmountFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* result = NULL;
+ if (argc != 1) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc);
+ }
+ char* mount_point;
+ if (ReadArgs(state, argv, 1, &mount_point) < 0) {
+ return NULL;
+ }
+ if (strlen(mount_point) == 0) {
+ ErrorAbort(state, kArgsParsingFailure, "mount_point argument to unmount() can't be empty");
+ goto done;
+ }
+
+ scan_mounted_volumes();
+ {
+ const MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point);
+ if (vol == NULL) {
+ uiPrintf(state, "unmount of %s failed; no such volume\n", mount_point);
+ result = strdup("");
+ } else {
+ int ret = unmount_mounted_volume(vol);
+ if (ret != 0) {
+ uiPrintf(state, "unmount of %s failed (%d): %s\n",
+ mount_point, ret, strerror(errno));
+ }
+ result = mount_point;
+ }
+ }
+
+done:
+ if (result != mount_point) free(mount_point);
+ return StringValue(result);
+}
+
+static int exec_cmd(const char* path, char* const argv[]) {
+ int status;
+ pid_t child;
+ if ((child = vfork()) == 0) {
+ execv(path, argv);
+ _exit(-1);
+ }
+ waitpid(child, &status, 0);
+ if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
+ printf("%s failed with status %d\n", path, WEXITSTATUS(status));
+ }
+ return WEXITSTATUS(status);
+}
+
+
+// format(fs_type, partition_type, location, fs_size, mount_point)
+//
+// fs_type="yaffs2" partition_type="MTD" location=partition fs_size=<bytes> mount_point=<location>
+// fs_type="ext4" partition_type="EMMC" location=device fs_size=<bytes> mount_point=<location>
+// fs_type="f2fs" partition_type="EMMC" location=device fs_size=<bytes> mount_point=<location>
+// if fs_size == 0, then make fs uses the entire partition.
+// if fs_size > 0, that is the size to use
+// if fs_size < 0, then reserve that many bytes at the end of the partition (not for "f2fs")
+Value* FormatFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* result = NULL;
+ if (argc != 5) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 5 args, got %d", name, argc);
+ }
+ char* fs_type;
+ char* partition_type;
+ char* location;
+ char* fs_size;
+ char* mount_point;
+
+ if (ReadArgs(state, argv, 5, &fs_type, &partition_type, &location, &fs_size, &mount_point) < 0) {
+ return NULL;
+ }
+
+ if (strlen(fs_type) == 0) {
+ ErrorAbort(state, kArgsParsingFailure, "fs_type argument to %s() can't be empty", name);
+ goto done;
+ }
+ if (strlen(partition_type) == 0) {
+ ErrorAbort(state, kArgsParsingFailure, "partition_type argument to %s() can't be empty",
+ name);
+ goto done;
+ }
+ if (strlen(location) == 0) {
+ ErrorAbort(state, kArgsParsingFailure, "location argument to %s() can't be empty", name);
+ goto done;
+ }
+
+ if (strlen(mount_point) == 0) {
+ ErrorAbort(state, kArgsParsingFailure, "mount_point argument to %s() can't be empty",
+ name);
+ goto done;
+ }
+
+ if (strcmp(partition_type, "MTD") == 0) {
+ mtd_scan_partitions();
+ const MtdPartition* mtd = mtd_find_partition_by_name(location);
+ if (mtd == NULL) {
+ printf("%s: no mtd partition named \"%s\"",
+ name, location);
+ result = strdup("");
+ goto done;
+ }
+ MtdWriteContext* ctx = mtd_write_partition(mtd);
+ if (ctx == NULL) {
+ printf("%s: can't write \"%s\"", name, location);
+ result = strdup("");
+ goto done;
+ }
+ if (mtd_erase_blocks(ctx, -1) == -1) {
+ mtd_write_close(ctx);
+ printf("%s: failed to erase \"%s\"", name, location);
+ result = strdup("");
+ goto done;
+ }
+ if (mtd_write_close(ctx) != 0) {
+ printf("%s: failed to close \"%s\"", name, location);
+ result = strdup("");
+ goto done;
+ }
+ result = location;
+#ifdef USE_EXT4
+ } else if (strcmp(fs_type, "ext4") == 0) {
+ int status = make_ext4fs(location, atoll(fs_size), mount_point, sehandle);
+ if (status != 0) {
+ printf("%s: make_ext4fs failed (%d) on %s",
+ name, status, location);
+ result = strdup("");
+ goto done;
+ }
+ result = location;
+ } else if (strcmp(fs_type, "f2fs") == 0) {
+ char *num_sectors;
+ if (asprintf(&num_sectors, "%lld", atoll(fs_size) / 512) <= 0) {
+ printf("format_volume: failed to create %s command for %s\n", fs_type, location);
+ result = strdup("");
+ goto done;
+ }
+ const char *f2fs_path = "/sbin/mkfs.f2fs";
+ const char* const f2fs_argv[] = {"mkfs.f2fs", "-t", "-d1", location, num_sectors, NULL};
+ int status = exec_cmd(f2fs_path, (char* const*)f2fs_argv);
+ free(num_sectors);
+ if (status != 0) {
+ printf("%s: mkfs.f2fs failed (%d) on %s",
+ name, status, location);
+ result = strdup("");
+ goto done;
+ }
+ result = location;
+#endif
+ } else {
+ printf("%s: unsupported fs_type \"%s\" partition_type \"%s\"",
+ name, fs_type, partition_type);
+ }
+
+done:
+ free(fs_type);
+ free(partition_type);
+ if (result != location) free(location);
+ return StringValue(result);
+}
+
+Value* RenameFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* result = NULL;
+ if (argc != 2) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
+ }
+
+ char* src_name;
+ char* dst_name;
+
+ if (ReadArgs(state, argv, 2, &src_name, &dst_name) < 0) {
+ return NULL;
+ }
+ if (strlen(src_name) == 0) {
+ ErrorAbort(state, kArgsParsingFailure, "src_name argument to %s() can't be empty", name);
+ goto done;
+ }
+ if (strlen(dst_name) == 0) {
+ ErrorAbort(state, kArgsParsingFailure, "dst_name argument to %s() can't be empty", name);
+ goto done;
+ }
+ if (make_parents(dst_name) != 0) {
+ ErrorAbort(state, kFileRenameFailure, "Creating parent of %s failed, error %s",
+ dst_name, strerror(errno));
+ } else if (access(dst_name, F_OK) == 0 && access(src_name, F_OK) != 0) {
+ // File was already moved
+ result = dst_name;
+ } else if (rename(src_name, dst_name) != 0) {
+ ErrorAbort(state, kFileRenameFailure, "Rename of %s to %s failed, error %s",
+ src_name, dst_name, strerror(errno));
+ } else {
+ result = dst_name;
+ }
+
+done:
+ free(src_name);
+ if (result != dst_name) free(dst_name);
+ return StringValue(result);
+}
+
+Value* DeleteFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char** paths = reinterpret_cast<char**>(malloc(argc * sizeof(char*)));
+ for (int i = 0; i < argc; ++i) {
+ paths[i] = Evaluate(state, argv[i]);
+ if (paths[i] == NULL) {
+ for (int j = 0; j < i; ++j) {
+ free(paths[j]);
+ }
+ free(paths);
+ return NULL;
+ }
+ }
+
+ bool recursive = (strcmp(name, "delete_recursive") == 0);
+
+ int success = 0;
+ for (int i = 0; i < argc; ++i) {
+ if ((recursive ? dirUnlinkHierarchy(paths[i]) : unlink(paths[i])) == 0)
+ ++success;
+ free(paths[i]);
+ }
+ free(paths);
+
+ char buffer[10];
+ sprintf(buffer, "%d", success);
+ return StringValue(strdup(buffer));
+}
+
+
+Value* ShowProgressFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc != 2) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
+ }
+ char* frac_str;
+ char* sec_str;
+ if (ReadArgs(state, argv, 2, &frac_str, &sec_str) < 0) {
+ return NULL;
+ }
+
+ double frac = strtod(frac_str, NULL);
+ int sec;
+ android::base::ParseInt(sec_str, &sec);
+
+ UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
+ fprintf(ui->cmd_pipe, "progress %f %d\n", frac, sec);
+
+ free(sec_str);
+ return StringValue(frac_str);
+}
+
+Value* SetProgressFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc != 1) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc);
+ }
+ char* frac_str;
+ if (ReadArgs(state, argv, 1, &frac_str) < 0) {
+ return NULL;
+ }
+
+ double frac = strtod(frac_str, NULL);
+
+ UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
+ fprintf(ui->cmd_pipe, "set_progress %f\n", frac);
+
+ return StringValue(frac_str);
+}
+
+// package_extract_dir(package_path, destination_path)
+Value* PackageExtractDirFn(const char* name, State* state,
+ int argc, Expr* argv[]) {
+ if (argc != 2) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
+ }
+ char* zip_path;
+ char* dest_path;
+ if (ReadArgs(state, argv, 2, &zip_path, &dest_path) < 0) return NULL;
+
+ ZipArchive* za = ((UpdaterInfo*)(state->cookie))->package_zip;
+
+ // To create a consistent system image, never use the clock for timestamps.
+ struct utimbuf timestamp = { 1217592000, 1217592000 }; // 8/1/2008 default
+
+ bool success = mzExtractRecursive(za, zip_path, dest_path,
+ ×tamp,
+ NULL, NULL, sehandle);
+ free(zip_path);
+ free(dest_path);
+ return StringValue(strdup(success ? "t" : ""));
+}
+
+
+// package_extract_file(package_path, destination_path)
+// or
+// package_extract_file(package_path)
+// to return the entire contents of the file as the result of this
+// function (the char* returned is actually a FileContents*).
+Value* PackageExtractFileFn(const char* name, State* state,
+ int argc, Expr* argv[]) {
+ if (argc < 1 || argc > 2) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 or 2 args, got %d",
+ name, argc);
+ }
+ bool success = false;
+
+ if (argc == 2) {
+ // The two-argument version extracts to a file.
+
+ ZipArchive* za = ((UpdaterInfo*)(state->cookie))->package_zip;
+
+ char* zip_path;
+ char* dest_path;
+ if (ReadArgs(state, argv, 2, &zip_path, &dest_path) < 0) return NULL;
+
+ const ZipEntry* entry = mzFindZipEntry(za, zip_path);
+ if (entry == NULL) {
+ printf("%s: no %s in package\n", name, zip_path);
+ goto done2;
+ }
+
+ {
+ int fd = TEMP_FAILURE_RETRY(ota_open(dest_path, O_WRONLY | O_CREAT | O_TRUNC | O_SYNC,
+ S_IRUSR | S_IWUSR));
+ if (fd == -1) {
+ printf("%s: can't open %s for write: %s\n", name, dest_path, strerror(errno));
+ goto done2;
+ }
+ success = mzExtractZipEntryToFile(za, entry, fd);
+ if (ota_fsync(fd) == -1) {
+ printf("fsync of \"%s\" failed: %s\n", dest_path, strerror(errno));
+ success = false;
+ }
+ if (ota_close(fd) == -1) {
+ printf("close of \"%s\" failed: %s\n", dest_path, strerror(errno));
+ success = false;
+ }
+ }
+
+ done2:
+ free(zip_path);
+ free(dest_path);
+ return StringValue(strdup(success ? "t" : ""));
+ } else {
+ // The one-argument version returns the contents of the file
+ // as the result.
+
+ char* zip_path;
+ if (ReadArgs(state, argv, 1, &zip_path) < 0) return NULL;
+
+ Value* v = reinterpret_cast<Value*>(malloc(sizeof(Value)));
+ v->type = VAL_BLOB;
+ v->size = -1;
+ v->data = NULL;
+
+ ZipArchive* za = ((UpdaterInfo*)(state->cookie))->package_zip;
+ const ZipEntry* entry = mzFindZipEntry(za, zip_path);
+ if (entry == NULL) {
+ printf("%s: no %s in package\n", name, zip_path);
+ goto done1;
+ }
+
+ v->size = mzGetZipEntryUncompLen(entry);
+ v->data = reinterpret_cast<char*>(malloc(v->size));
+ if (v->data == NULL) {
+ printf("%s: failed to allocate %ld bytes for %s\n",
+ name, (long)v->size, zip_path);
+ goto done1;
+ }
+
+ success = mzExtractZipEntryToBuffer(za, entry,
+ (unsigned char *)v->data);
+
+ done1:
+ free(zip_path);
+ if (!success) {
+ free(v->data);
+ v->data = NULL;
+ v->size = -1;
+ }
+ return v;
+ }
+}
+
+// Create all parent directories of name, if necessary.
+static int make_parents(char* name) {
+ char* p;
+ for (p = name + (strlen(name)-1); p > name; --p) {
+ if (*p != '/') continue;
+ *p = '\0';
+ if (make_parents(name) < 0) return -1;
+ int result = mkdir(name, 0700);
+ if (result == 0) printf("created [%s]\n", name);
+ *p = '/';
+ if (result == 0 || errno == EEXIST) {
+ // successfully created or already existed; we're done
+ return 0;
+ } else {
+ printf("failed to mkdir %s: %s\n", name, strerror(errno));
+ return -1;
+ }
+ }
+ return 0;
+}
+
+// symlink target src1 src2 ...
+// unlinks any previously existing src1, src2, etc before creating symlinks.
+Value* SymlinkFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc == 0) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1+ args, got %d", name, argc);
+ }
+ char* target;
+ target = Evaluate(state, argv[0]);
+ if (target == NULL) return NULL;
+
+ char** srcs = ReadVarArgs(state, argc-1, argv+1);
+ if (srcs == NULL) {
+ free(target);
+ return NULL;
+ }
+
+ int bad = 0;
+ int i;
+ for (i = 0; i < argc-1; ++i) {
+ if (unlink(srcs[i]) < 0) {
+ if (errno != ENOENT) {
+ printf("%s: failed to remove %s: %s\n",
+ name, srcs[i], strerror(errno));
+ ++bad;
+ }
+ }
+ if (make_parents(srcs[i])) {
+ printf("%s: failed to symlink %s to %s: making parents failed\n",
+ name, srcs[i], target);
+ ++bad;
+ }
+ if (symlink(target, srcs[i]) < 0) {
+ printf("%s: failed to symlink %s to %s: %s\n",
+ name, srcs[i], target, strerror(errno));
+ ++bad;
+ }
+ free(srcs[i]);
+ }
+ free(srcs);
+ if (bad) {
+ return ErrorAbort(state, kSymlinkFailure, "%s: some symlinks failed", name);
+ }
+ return StringValue(strdup(""));
+}
+
+struct perm_parsed_args {
+ bool has_uid;
+ uid_t uid;
+ bool has_gid;
+ gid_t gid;
+ bool has_mode;
+ mode_t mode;
+ bool has_fmode;
+ mode_t fmode;
+ bool has_dmode;
+ mode_t dmode;
+ bool has_selabel;
+ char* selabel;
+ bool has_capabilities;
+ uint64_t capabilities;
+};
+
+static struct perm_parsed_args ParsePermArgs(State * state, int argc, char** args) {
+ int i;
+ struct perm_parsed_args parsed;
+ int bad = 0;
+ static int max_warnings = 20;
+
+ memset(&parsed, 0, sizeof(parsed));
+
+ for (i = 1; i < argc; i += 2) {
+ if (strcmp("uid", args[i]) == 0) {
+ int64_t uid;
+ if (sscanf(args[i+1], "%" SCNd64, &uid) == 1) {
+ parsed.uid = uid;
+ parsed.has_uid = true;
+ } else {
+ uiPrintf(state, "ParsePermArgs: invalid UID \"%s\"\n", args[i + 1]);
+ bad++;
+ }
+ continue;
+ }
+ if (strcmp("gid", args[i]) == 0) {
+ int64_t gid;
+ if (sscanf(args[i+1], "%" SCNd64, &gid) == 1) {
+ parsed.gid = gid;
+ parsed.has_gid = true;
+ } else {
+ uiPrintf(state, "ParsePermArgs: invalid GID \"%s\"\n", args[i + 1]);
+ bad++;
+ }
+ continue;
+ }
+ if (strcmp("mode", args[i]) == 0) {
+ int32_t mode;
+ if (sscanf(args[i+1], "%" SCNi32, &mode) == 1) {
+ parsed.mode = mode;
+ parsed.has_mode = true;
+ } else {
+ uiPrintf(state, "ParsePermArgs: invalid mode \"%s\"\n", args[i + 1]);
+ bad++;
+ }
+ continue;
+ }
+ if (strcmp("dmode", args[i]) == 0) {
+ int32_t mode;
+ if (sscanf(args[i+1], "%" SCNi32, &mode) == 1) {
+ parsed.dmode = mode;
+ parsed.has_dmode = true;
+ } else {
+ uiPrintf(state, "ParsePermArgs: invalid dmode \"%s\"\n", args[i + 1]);
+ bad++;
+ }
+ continue;
+ }
+ if (strcmp("fmode", args[i]) == 0) {
+ int32_t mode;
+ if (sscanf(args[i+1], "%" SCNi32, &mode) == 1) {
+ parsed.fmode = mode;
+ parsed.has_fmode = true;
+ } else {
+ uiPrintf(state, "ParsePermArgs: invalid fmode \"%s\"\n", args[i + 1]);
+ bad++;
+ }
+ continue;
+ }
+ if (strcmp("capabilities", args[i]) == 0) {
+ int64_t capabilities;
+ if (sscanf(args[i+1], "%" SCNi64, &capabilities) == 1) {
+ parsed.capabilities = capabilities;
+ parsed.has_capabilities = true;
+ } else {
+ uiPrintf(state, "ParsePermArgs: invalid capabilities \"%s\"\n", args[i + 1]);
+ bad++;
+ }
+ continue;
+ }
+ if (strcmp("selabel", args[i]) == 0) {
+ if (args[i+1][0] != '\0') {
+ parsed.selabel = args[i+1];
+ parsed.has_selabel = true;
+ } else {
+ uiPrintf(state, "ParsePermArgs: invalid selabel \"%s\"\n", args[i + 1]);
+ bad++;
+ }
+ continue;
+ }
+ if (max_warnings != 0) {
+ printf("ParsedPermArgs: unknown key \"%s\", ignoring\n", args[i]);
+ max_warnings--;
+ if (max_warnings == 0) {
+ printf("ParsedPermArgs: suppressing further warnings\n");
+ }
+ }
+ }
+ return parsed;
+}
+
+static int ApplyParsedPerms(
+ State * state,
+ const char* filename,
+ const struct stat *statptr,
+ struct perm_parsed_args parsed)
+{
+ int bad = 0;
+
+ if (parsed.has_selabel) {
+ if (lsetfilecon(filename, parsed.selabel) != 0) {
+ uiPrintf(state, "ApplyParsedPerms: lsetfilecon of %s to %s failed: %s\n",
+ filename, parsed.selabel, strerror(errno));
+ bad++;
+ }
+ }
+
+ /* ignore symlinks */
+ if (S_ISLNK(statptr->st_mode)) {
+ return bad;
+ }
+
+ if (parsed.has_uid) {
+ if (chown(filename, parsed.uid, -1) < 0) {
+ uiPrintf(state, "ApplyParsedPerms: chown of %s to %d failed: %s\n",
+ filename, parsed.uid, strerror(errno));
+ bad++;
+ }
+ }
+
+ if (parsed.has_gid) {
+ if (chown(filename, -1, parsed.gid) < 0) {
+ uiPrintf(state, "ApplyParsedPerms: chgrp of %s to %d failed: %s\n",
+ filename, parsed.gid, strerror(errno));
+ bad++;
+ }
+ }
+
+ if (parsed.has_mode) {
+ if (chmod(filename, parsed.mode) < 0) {
+ uiPrintf(state, "ApplyParsedPerms: chmod of %s to %d failed: %s\n",
+ filename, parsed.mode, strerror(errno));
+ bad++;
+ }
+ }
+
+ if (parsed.has_dmode && S_ISDIR(statptr->st_mode)) {
+ if (chmod(filename, parsed.dmode) < 0) {
+ uiPrintf(state, "ApplyParsedPerms: chmod of %s to %d failed: %s\n",
+ filename, parsed.dmode, strerror(errno));
+ bad++;
+ }
+ }
+
+ if (parsed.has_fmode && S_ISREG(statptr->st_mode)) {
+ if (chmod(filename, parsed.fmode) < 0) {
+ uiPrintf(state, "ApplyParsedPerms: chmod of %s to %d failed: %s\n",
+ filename, parsed.fmode, strerror(errno));
+ bad++;
+ }
+ }
+
+ if (parsed.has_capabilities && S_ISREG(statptr->st_mode)) {
+ if (parsed.capabilities == 0) {
+ if ((removexattr(filename, XATTR_NAME_CAPS) == -1) && (errno != ENODATA)) {
+ // Report failure unless it's ENODATA (attribute not set)
+ uiPrintf(state, "ApplyParsedPerms: removexattr of %s to %" PRIx64 " failed: %s\n",
+ filename, parsed.capabilities, strerror(errno));
+ bad++;
+ }
+ } else {
+ struct vfs_cap_data cap_data;
+ memset(&cap_data, 0, sizeof(cap_data));
+ cap_data.magic_etc = VFS_CAP_REVISION | VFS_CAP_FLAGS_EFFECTIVE;
+ cap_data.data[0].permitted = (uint32_t) (parsed.capabilities & 0xffffffff);
+ cap_data.data[0].inheritable = 0;
+ cap_data.data[1].permitted = (uint32_t) (parsed.capabilities >> 32);
+ cap_data.data[1].inheritable = 0;
+ if (setxattr(filename, XATTR_NAME_CAPS, &cap_data, sizeof(cap_data), 0) < 0) {
+ uiPrintf(state, "ApplyParsedPerms: setcap of %s to %" PRIx64 " failed: %s\n",
+ filename, parsed.capabilities, strerror(errno));
+ bad++;
+ }
+ }
+ }
+
+ return bad;
+}
+
+// nftw doesn't allow us to pass along context, so we need to use
+// global variables. *sigh*
+static struct perm_parsed_args recursive_parsed_args;
+static State* recursive_state;
+
+static int do_SetMetadataRecursive(const char* filename, const struct stat *statptr,
+ int fileflags, struct FTW *pfwt) {
+ return ApplyParsedPerms(recursive_state, filename, statptr, recursive_parsed_args);
+}
+
+static Value* SetMetadataFn(const char* name, State* state, int argc, Expr* argv[]) {
+ int bad = 0;
+ struct stat sb;
+ Value* result = NULL;
+
+ bool recursive = (strcmp(name, "set_metadata_recursive") == 0);
+
+ if ((argc % 2) != 1) {
+ return ErrorAbort(state, kArgsParsingFailure,
+ "%s() expects an odd number of arguments, got %d", name, argc);
+ }
+
+ char** args = ReadVarArgs(state, argc, argv);
+ if (args == NULL) return NULL;
+
+ if (lstat(args[0], &sb) == -1) {
+ result = ErrorAbort(state, kSetMetadataFailure, "%s: Error on lstat of \"%s\": %s",
+ name, args[0], strerror(errno));
+ goto done;
+ }
+
+ {
+ struct perm_parsed_args parsed = ParsePermArgs(state, argc, args);
+
+ if (recursive) {
+ recursive_parsed_args = parsed;
+ recursive_state = state;
+ bad += nftw(args[0], do_SetMetadataRecursive, 30, FTW_CHDIR | FTW_DEPTH | FTW_PHYS);
+ memset(&recursive_parsed_args, 0, sizeof(recursive_parsed_args));
+ recursive_state = NULL;
+ } else {
+ bad += ApplyParsedPerms(state, args[0], &sb, parsed);
+ }
+ }
+
+done:
+ for (int i = 0; i < argc; ++i) {
+ free(args[i]);
+ }
+ free(args);
+
+ if (result != NULL) {
+ return result;
+ }
+
+ if (bad > 0) {
+ return ErrorAbort(state, kSetMetadataFailure, "%s: some changes failed", name);
+ }
+
+ return StringValue(strdup(""));
+}
+
+Value* GetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc != 1) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc);
+ }
+ char* key = Evaluate(state, argv[0]);
+ if (key == NULL) return NULL;
+
+ char value[PROPERTY_VALUE_MAX];
+ property_get(key, value, "");
+ free(key);
+
+ return StringValue(strdup(value));
+}
+
+
+// file_getprop(file, key)
+//
+// interprets 'file' as a getprop-style file (key=value pairs, one
+// per line. # comment lines,blank lines, lines without '=' ignored),
+// and returns the value for 'key' (or "" if it isn't defined).
+Value* FileGetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* result = NULL;
+ char* buffer = NULL;
+ char* filename;
+ char* key;
+ if (ReadArgs(state, argv, 2, &filename, &key) < 0) {
+ return NULL;
+ }
+
+ struct stat st;
+ if (stat(filename, &st) < 0) {
+ ErrorAbort(state, kFileGetPropFailure, "%s: failed to stat \"%s\": %s", name, filename,
+ strerror(errno));
+ goto done;
+ }
+
+#define MAX_FILE_GETPROP_SIZE 65536
+
+ if (st.st_size > MAX_FILE_GETPROP_SIZE) {
+ ErrorAbort(state, kFileGetPropFailure, "%s too large for %s (max %d)", filename, name,
+ MAX_FILE_GETPROP_SIZE);
+ goto done;
+ }
+
+ buffer = reinterpret_cast<char*>(malloc(st.st_size+1));
+ if (buffer == NULL) {
+ ErrorAbort(state, kFileGetPropFailure, "%s: failed to alloc %lld bytes", name,
+ (long long)st.st_size+1);
+ goto done;
+ }
+
+ FILE* f;
+ f = fopen(filename, "rb");
+ if (f == NULL) {
+ ErrorAbort(state, kFileOpenFailure, "%s: failed to open %s: %s", name, filename,
+ strerror(errno));
+ goto done;
+ }
+
+ if (ota_fread(buffer, 1, st.st_size, f) != static_cast<size_t>(st.st_size)) {
+ ErrorAbort(state, kFreadFailure, "%s: failed to read %lld bytes from %s",
+ name, (long long)st.st_size+1, filename);
+ fclose(f);
+ goto done;
+ }
+ buffer[st.st_size] = '\0';
+
+ fclose(f);
+
+ char* line;
+ line = strtok(buffer, "\n");
+ do {
+ // skip whitespace at start of line
+ while (*line && isspace(*line)) ++line;
+
+ // comment or blank line: skip to next line
+ if (*line == '\0' || *line == '#') continue;
+
+ char* equal = strchr(line, '=');
+ if (equal == NULL) {
+ continue;
+ }
+
+ // trim whitespace between key and '='
+ char* key_end = equal-1;
+ while (key_end > line && isspace(*key_end)) --key_end;
+ key_end[1] = '\0';
+
+ // not the key we're looking for
+ if (strcmp(key, line) != 0) continue;
+
+ // skip whitespace after the '=' to the start of the value
+ char* val_start = equal+1;
+ while(*val_start && isspace(*val_start)) ++val_start;
+
+ // trim trailing whitespace
+ char* val_end = val_start + strlen(val_start)-1;
+ while (val_end > val_start && isspace(*val_end)) --val_end;
+ val_end[1] = '\0';
+
+ result = strdup(val_start);
+ break;
+
+ } while ((line = strtok(NULL, "\n")));
+
+ if (result == NULL) result = strdup("");
+
+ done:
+ free(filename);
+ free(key);
+ free(buffer);
+ return StringValue(result);
+}
+
+// write_raw_image(filename_or_blob, partition)
+Value* WriteRawImageFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* result = NULL;
+
+ Value* partition_value;
+ Value* contents;
+ if (ReadValueArgs(state, argv, 2, &contents, &partition_value) < 0) {
+ return NULL;
+ }
+
+ char* partition = NULL;
+ if (partition_value->type != VAL_STRING) {
+ ErrorAbort(state, kArgsParsingFailure, "partition argument to %s must be string", name);
+ goto done;
+ }
+ partition = partition_value->data;
+ if (strlen(partition) == 0) {
+ ErrorAbort(state, kArgsParsingFailure, "partition argument to %s can't be empty", name);
+ goto done;
+ }
+ if (contents->type == VAL_STRING && strlen((char*) contents->data) == 0) {
+ ErrorAbort(state, kArgsParsingFailure, "file argument to %s can't be empty", name);
+ goto done;
+ }
+
+ mtd_scan_partitions();
+ const MtdPartition* mtd;
+ mtd = mtd_find_partition_by_name(partition);
+ if (mtd == NULL) {
+ printf("%s: no mtd partition named \"%s\"\n", name, partition);
+ result = strdup("");
+ goto done;
+ }
+
+ MtdWriteContext* ctx;
+ ctx = mtd_write_partition(mtd);
+ if (ctx == NULL) {
+ printf("%s: can't write mtd partition \"%s\"\n",
+ name, partition);
+ result = strdup("");
+ goto done;
+ }
+
+ bool success;
+
+ if (contents->type == VAL_STRING) {
+ // we're given a filename as the contents
+ char* filename = contents->data;
+ FILE* f = ota_fopen(filename, "rb");
+ if (f == NULL) {
+ printf("%s: can't open %s: %s\n", name, filename, strerror(errno));
+ result = strdup("");
+ goto done;
+ }
+
+ success = true;
+ char* buffer = reinterpret_cast<char*>(malloc(BUFSIZ));
+ int read;
+ while (success && (read = ota_fread(buffer, 1, BUFSIZ, f)) > 0) {
+ int wrote = mtd_write_data(ctx, buffer, read);
+ success = success && (wrote == read);
+ }
+ free(buffer);
+ ota_fclose(f);
+ } else {
+ // we're given a blob as the contents
+ ssize_t wrote = mtd_write_data(ctx, contents->data, contents->size);
+ success = (wrote == contents->size);
+ }
+ if (!success) {
+ printf("mtd_write_data to %s failed: %s\n",
+ partition, strerror(errno));
+ }
+
+ if (mtd_erase_blocks(ctx, -1) == -1) {
+ printf("%s: error erasing blocks of %s\n", name, partition);
+ }
+ if (mtd_write_close(ctx) != 0) {
+ printf("%s: error closing write of %s\n", name, partition);
+ }
+
+ printf("%s %s partition\n",
+ success ? "wrote" : "failed to write", partition);
+
+ result = success ? partition : strdup("");
+
+done:
+ if (result != partition) FreeValue(partition_value);
+ FreeValue(contents);
+ return StringValue(result);
+}
+
+// apply_patch_space(bytes)
+Value* ApplyPatchSpaceFn(const char* name, State* state,
+ int argc, Expr* argv[]) {
+ char* bytes_str;
+ if (ReadArgs(state, argv, 1, &bytes_str) < 0) {
+ return NULL;
+ }
+
+ size_t bytes;
+ if (!android::base::ParseUint(bytes_str, &bytes)) {
+ ErrorAbort(state, kArgsParsingFailure, "%s(): can't parse \"%s\" as byte count\n\n",
+ name, bytes_str);
+ free(bytes_str);
+ return nullptr;
+ }
+
+ return StringValue(strdup(CacheSizeCheck(bytes) ? "" : "t"));
+}
+
+// apply_patch(file, size, init_sha1, tgt_sha1, patch)
+
+Value* ApplyPatchFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc < 6 || (argc % 2) == 1) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s(): expected at least 6 args and an "
+ "even number, got %d", name, argc);
+ }
+
+ char* source_filename;
+ char* target_filename;
+ char* target_sha1;
+ char* target_size_str;
+ if (ReadArgs(state, argv, 4, &source_filename, &target_filename,
+ &target_sha1, &target_size_str) < 0) {
+ return NULL;
+ }
+
+ size_t target_size;
+ if (!android::base::ParseUint(target_size_str, &target_size)) {
+ ErrorAbort(state, kArgsParsingFailure, "%s(): can't parse \"%s\" as byte count",
+ name, target_size_str);
+ free(source_filename);
+ free(target_filename);
+ free(target_sha1);
+ free(target_size_str);
+ return nullptr;
+ }
+
+ int patchcount = (argc-4) / 2;
+ std::unique_ptr<Value*, decltype(&free)> arg_values(ReadValueVarArgs(state, argc-4, argv+4),
+ free);
+ if (!arg_values) {
+ return nullptr;
+ }
+ std::vector<std::unique_ptr<Value, decltype(&FreeValue)>> patch_shas;
+ std::vector<std::unique_ptr<Value, decltype(&FreeValue)>> patches;
+ // Protect values by unique_ptrs first to get rid of memory leak.
+ for (int i = 0; i < patchcount * 2; i += 2) {
+ patch_shas.emplace_back(arg_values.get()[i], FreeValue);
+ patches.emplace_back(arg_values.get()[i+1], FreeValue);
+ }
+
+ for (int i = 0; i < patchcount; ++i) {
+ if (patch_shas[i]->type != VAL_STRING) {
+ ErrorAbort(state, kArgsParsingFailure, "%s(): sha-1 #%d is not string", name, i);
+ return nullptr;
+ }
+ if (patches[i]->type != VAL_BLOB) {
+ ErrorAbort(state, kArgsParsingFailure, "%s(): patch #%d is not blob", name, i);
+ return nullptr;
+ }
+ }
+
+ std::vector<char*> patch_sha_str;
+ std::vector<Value*> patch_ptrs;
+ for (int i = 0; i < patchcount; ++i) {
+ patch_sha_str.push_back(patch_shas[i]->data);
+ patch_ptrs.push_back(patches[i].get());
+ }
+
+ int result = applypatch(source_filename, target_filename,
+ target_sha1, target_size,
+ patchcount, patch_sha_str.data(), patch_ptrs.data(), NULL);
+
+ return StringValue(strdup(result == 0 ? "t" : ""));
+}
+
+// apply_patch_check(file, [sha1_1, ...])
+Value* ApplyPatchCheckFn(const char* name, State* state,
+ int argc, Expr* argv[]) {
+ if (argc < 1) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s(): expected at least 1 arg, got %d",
+ name, argc);
+ }
+
+ char* filename;
+ if (ReadArgs(state, argv, 1, &filename) < 0) {
+ return NULL;
+ }
+
+ int patchcount = argc-1;
+ char** sha1s = ReadVarArgs(state, argc-1, argv+1);
+
+ int result = applypatch_check(filename, patchcount, sha1s);
+
+ int i;
+ for (i = 0; i < patchcount; ++i) {
+ free(sha1s[i]);
+ }
+ free(sha1s);
+
+ return StringValue(strdup(result == 0 ? "t" : ""));
+}
+
+// This is the updater side handler for ui_print() in edify script. Contents
+// will be sent over to the recovery side for on-screen display.
+Value* UIPrintFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char** args = ReadVarArgs(state, argc, argv);
+ if (args == NULL) {
+ return NULL;
+ }
+
+ std::string buffer;
+ for (int i = 0; i < argc; ++i) {
+ buffer += args[i];
+ free(args[i]);
+ }
+ free(args);
+
+ buffer += "\n";
+ uiPrint(state, buffer);
+ return StringValue(strdup(buffer.c_str()));
+}
+
+Value* WipeCacheFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc != 0) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects no args, got %d", name, argc);
+ }
+ fprintf(((UpdaterInfo*)(state->cookie))->cmd_pipe, "wipe_cache\n");
+ return StringValue(strdup("t"));
+}
+
+Value* RunProgramFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc < 1) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects at least 1 arg", name);
+ }
+ char** args = ReadVarArgs(state, argc, argv);
+ if (args == NULL) {
+ return NULL;
+ }
+
+ char** args2 = reinterpret_cast<char**>(malloc(sizeof(char*) * (argc+1)));
+ memcpy(args2, args, sizeof(char*) * argc);
+ args2[argc] = NULL;
+
+ printf("about to run program [%s] with %d args\n", args2[0], argc);
+
+ pid_t child = fork();
+ if (child == 0) {
+ execv(args2[0], args2);
+ printf("run_program: execv failed: %s\n", strerror(errno));
+ _exit(1);
+ }
+ int status;
+ waitpid(child, &status, 0);
+ if (WIFEXITED(status)) {
+ if (WEXITSTATUS(status) != 0) {
+ printf("run_program: child exited with status %d\n",
+ WEXITSTATUS(status));
+ }
+ } else if (WIFSIGNALED(status)) {
+ printf("run_program: child terminated by signal %d\n",
+ WTERMSIG(status));
+ }
+
+ int i;
+ for (i = 0; i < argc; ++i) {
+ free(args[i]);
+ }
+ free(args);
+ free(args2);
+
+ char buffer[20];
+ sprintf(buffer, "%d", status);
+
+ return StringValue(strdup(buffer));
+}
+
+// sha1_check(data)
+// to return the sha1 of the data (given in the format returned by
+// read_file).
+//
+// sha1_check(data, sha1_hex, [sha1_hex, ...])
+// returns the sha1 of the file if it matches any of the hex
+// strings passed, or "" if it does not equal any of them.
+//
+Value* Sha1CheckFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc < 1) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects at least 1 arg", name);
+ }
+
+ std::unique_ptr<Value*, decltype(&free)> arg_values(ReadValueVarArgs(state, argc, argv), free);
+ if (arg_values == nullptr) {
+ return nullptr;
+ }
+ std::vector<std::unique_ptr<Value, decltype(&FreeValue)>> args;
+ for (int i = 0; i < argc; ++i) {
+ args.emplace_back(arg_values.get()[i], FreeValue);
+ }
+
+ if (args[0]->size < 0) {
+ return StringValue(strdup(""));
+ }
+ uint8_t digest[SHA_DIGEST_LENGTH];
+ SHA1(reinterpret_cast<uint8_t*>(args[0]->data), args[0]->size, digest);
+
+ if (argc == 1) {
+ return StringValue(PrintSha1(digest));
+ }
+
+ int i;
+ uint8_t arg_digest[SHA_DIGEST_LENGTH];
+ for (i = 1; i < argc; ++i) {
+ if (args[i]->type != VAL_STRING) {
+ printf("%s(): arg %d is not a string; skipping",
+ name, i);
+ } else if (ParseSha1(args[i]->data, arg_digest) != 0) {
+ // Warn about bad args and skip them.
+ printf("%s(): error parsing \"%s\" as sha-1; skipping",
+ name, args[i]->data);
+ } else if (memcmp(digest, arg_digest, SHA_DIGEST_LENGTH) == 0) {
+ break;
+ }
+ }
+ if (i >= argc) {
+ // Didn't match any of the hex strings; return false.
+ return StringValue(strdup(""));
+ }
+ // Found a match.
+ return args[i].release();
+}
+
+// Read a local file and return its contents (the Value* returned
+// is actually a FileContents*).
+Value* ReadFileFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc != 1) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc);
+ }
+ char* filename;
+ if (ReadArgs(state, argv, 1, &filename) < 0) return NULL;
+
+ Value* v = static_cast<Value*>(malloc(sizeof(Value)));
+ if (v == nullptr) {
+ return nullptr;
+ }
+ v->type = VAL_BLOB;
+ v->size = -1;
+ v->data = nullptr;
+
+ FileContents fc;
+ if (LoadFileContents(filename, &fc) != 0) {
+ v->data = static_cast<char*>(malloc(fc.data.size()));
+ if (v->data != nullptr) {
+ memcpy(v->data, fc.data.data(), fc.data.size());
+ v->size = fc.data.size();
+ }
+ }
+ free(filename);
+ return v;
+}
+
+// Immediately reboot the device. Recovery is not finished normally,
+// so if you reboot into recovery it will re-start applying the
+// current package (because nothing has cleared the copy of the
+// arguments stored in the BCB).
+//
+// The argument is the partition name passed to the android reboot
+// property. It can be "recovery" to boot from the recovery
+// partition, or "" (empty string) to boot from the regular boot
+// partition.
+Value* RebootNowFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc != 2) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
+ }
+
+ char* filename;
+ char* property;
+ if (ReadArgs(state, argv, 2, &filename, &property) < 0) return NULL;
+
+ char buffer[80];
+
+ // zero out the 'command' field of the bootloader message.
+ memset(buffer, 0, sizeof(((struct bootloader_message*)0)->command));
+ FILE* f = fopen(filename, "r+b");
+ fseek(f, offsetof(struct bootloader_message, command), SEEK_SET);
+ ota_fwrite(buffer, sizeof(((struct bootloader_message*)0)->command), 1, f);
+ fclose(f);
+ free(filename);
+
+ strcpy(buffer, "reboot,");
+ if (property != NULL) {
+ strncat(buffer, property, sizeof(buffer)-10);
+ }
+
+ property_set(ANDROID_RB_PROPERTY, buffer);
+
+ sleep(5);
+ free(property);
+ ErrorAbort(state, kRebootFailure, "%s() failed to reboot", name);
+ return NULL;
+}
+
+// Store a string value somewhere that future invocations of recovery
+// can access it. This value is called the "stage" and can be used to
+// drive packages that need to do reboots in the middle of
+// installation and keep track of where they are in the multi-stage
+// install.
+//
+// The first argument is the block device for the misc partition
+// ("/misc" in the fstab), which is where this value is stored. The
+// second argument is the string to store; it should not exceed 31
+// bytes.
+Value* SetStageFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc != 2) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
+ }
+
+ char* filename;
+ char* stagestr;
+ if (ReadArgs(state, argv, 2, &filename, &stagestr) < 0) return NULL;
+
+ // Store this value in the misc partition, immediately after the
+ // bootloader message that the main recovery uses to save its
+ // arguments in case of the device restarting midway through
+ // package installation.
+ FILE* f = fopen(filename, "r+b");
+ fseek(f, offsetof(struct bootloader_message, stage), SEEK_SET);
+ int to_write = strlen(stagestr)+1;
+ int max_size = sizeof(((struct bootloader_message*)0)->stage);
+ if (to_write > max_size) {
+ to_write = max_size;
+ stagestr[max_size-1] = 0;
+ }
+ ota_fwrite(stagestr, to_write, 1, f);
+ fclose(f);
+
+ free(stagestr);
+ return StringValue(filename);
+}
+
+// Return the value most recently saved with SetStageFn. The argument
+// is the block device for the misc partition.
+Value* GetStageFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc != 1) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc);
+ }
+
+ char* filename;
+ if (ReadArgs(state, argv, 1, &filename) < 0) return NULL;
+
+ char buffer[sizeof(((struct bootloader_message*)0)->stage)];
+ FILE* f = fopen(filename, "rb");
+ fseek(f, offsetof(struct bootloader_message, stage), SEEK_SET);
+ ota_fread(buffer, sizeof(buffer), 1, f);
+ fclose(f);
+ buffer[sizeof(buffer)-1] = '\0';
+
+ return StringValue(strdup(buffer));
+}
+
+Value* WipeBlockDeviceFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc != 2) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc);
+ }
+
+ char* filename;
+ char* len_str;
+ if (ReadArgs(state, argv, 2, &filename, &len_str) < 0) return NULL;
+
+ size_t len;
+ android::base::ParseUint(len_str, &len);
+ int fd = ota_open(filename, O_WRONLY, 0644);
+ int success = wipe_block_device(fd, len);
+
+ free(filename);
+ free(len_str);
+
+ ota_close(fd);
+
+ return StringValue(strdup(success ? "t" : ""));
+}
+
+Value* EnableRebootFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc != 0) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects no args, got %d", name, argc);
+ }
+ UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
+ fprintf(ui->cmd_pipe, "enable_reboot\n");
+ return StringValue(strdup("t"));
+}
+
+Value* Tune2FsFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc == 0) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() expects args, got %d", name, argc);
+ }
+
+ char** args = ReadVarArgs(state, argc, argv);
+ if (args == NULL) {
+ return ErrorAbort(state, kArgsParsingFailure, "%s() could not read args", name);
+ }
+
+ char** args2 = reinterpret_cast<char**>(malloc(sizeof(char*) * (argc+1)));
+ // Tune2fs expects the program name as its args[0]
+ args2[0] = strdup(name);
+ for (int i = 0; i < argc; ++i) {
+ args2[i + 1] = args[i];
+ }
+ int result = tune2fs_main(argc + 1, args2);
+ for (int i = 0; i < argc; ++i) {
+ free(args[i]);
+ }
+ free(args);
+
+ free(args2[0]);
+ free(args2);
+ if (result != 0) {
+ return ErrorAbort(state, kTune2FsFailure, "%s() returned error code %d",
+ name, result);
+ }
+ return StringValue(strdup("t"));
+}
+
+void RegisterInstallFunctions() {
+ RegisterFunction("mount", MountFn);
+ RegisterFunction("is_mounted", IsMountedFn);
+ RegisterFunction("unmount", UnmountFn);
+ RegisterFunction("format", FormatFn);
+ RegisterFunction("show_progress", ShowProgressFn);
+ RegisterFunction("set_progress", SetProgressFn);
+ RegisterFunction("delete", DeleteFn);
+ RegisterFunction("delete_recursive", DeleteFn);
+ RegisterFunction("package_extract_dir", PackageExtractDirFn);
+ RegisterFunction("package_extract_file", PackageExtractFileFn);
+ RegisterFunction("symlink", SymlinkFn);
+
+ // Usage:
+ // set_metadata("filename", "key1", "value1", "key2", "value2", ...)
+ // Example:
+ // set_metadata("/system/bin/netcfg", "uid", 0, "gid", 3003, "mode", 02750, "selabel", "u:object_r:system_file:s0", "capabilities", 0x0);
+ RegisterFunction("set_metadata", SetMetadataFn);
+
+ // Usage:
+ // set_metadata_recursive("dirname", "key1", "value1", "key2", "value2", ...)
+ // Example:
+ // set_metadata_recursive("/system", "uid", 0, "gid", 0, "fmode", 0644, "dmode", 0755, "selabel", "u:object_r:system_file:s0", "capabilities", 0x0);
+ RegisterFunction("set_metadata_recursive", SetMetadataFn);
+
+ RegisterFunction("getprop", GetPropFn);
+ RegisterFunction("file_getprop", FileGetPropFn);
+ RegisterFunction("write_raw_image", WriteRawImageFn);
+
+ RegisterFunction("apply_patch", ApplyPatchFn);
+ RegisterFunction("apply_patch_check", ApplyPatchCheckFn);
+ RegisterFunction("apply_patch_space", ApplyPatchSpaceFn);
+
+ RegisterFunction("wipe_block_device", WipeBlockDeviceFn);
+
+ RegisterFunction("read_file", ReadFileFn);
+ RegisterFunction("sha1_check", Sha1CheckFn);
+ RegisterFunction("rename", RenameFn);
+
+ RegisterFunction("wipe_cache", WipeCacheFn);
+
+ RegisterFunction("ui_print", UIPrintFn);
+
+ RegisterFunction("run_program", RunProgramFn);
+
+ RegisterFunction("reboot_now", RebootNowFn);
+ RegisterFunction("get_stage", GetStageFn);
+ RegisterFunction("set_stage", SetStageFn);
+
+ RegisterFunction("enable_reboot", EnableRebootFn);
+ RegisterFunction("tune2fs", Tune2FsFn);
+}
diff --git a/updater/install.h b/updater/install.h
index 659c8b4..70e3434 100644
--- a/updater/install.h
+++ b/updater/install.h
@@ -19,6 +19,9 @@
void RegisterInstallFunctions();
+// uiPrintf function prints msg to screen as well as logs
+void uiPrintf(State* state, const char* format, ...);
+
static int make_parents(char* name);
#endif
diff --git a/updater/updater.c b/updater/updater.c
deleted file mode 100644
index 661f695..0000000
--- a/updater/updater.c
+++ /dev/null
@@ -1,169 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "edify/expr.h"
-#include "updater.h"
-#include "install.h"
-#include "blockimg.h"
-#include "minzip/Zip.h"
-#include "minzip/SysUtil.h"
-
-// Generated by the makefile, this function defines the
-// RegisterDeviceExtensions() function, which calls all the
-// registration functions for device-specific extensions.
-#include "register.inc"
-
-// Where in the package we expect to find the edify script to execute.
-// (Note it's "updateR-script", not the older "update-script".)
-#define SCRIPT_NAME "META-INF/com/google/android/updater-script"
-
-struct selabel_handle *sehandle;
-
-int main(int argc, char** argv) {
- // Various things log information to stdout or stderr more or less
- // at random (though we've tried to standardize on stdout). The
- // log file makes more sense if buffering is turned off so things
- // appear in the right order.
- setbuf(stdout, NULL);
- setbuf(stderr, NULL);
-
- if (argc != 4) {
- printf("unexpected number of arguments (%d)\n", argc);
- return 1;
- }
-
- char* version = argv[1];
- if ((version[0] != '1' && version[0] != '2' && version[0] != '3') ||
- version[1] != '\0') {
- // We support version 1, 2, or 3.
- printf("wrong updater binary API; expected 1, 2, or 3; "
- "got %s\n",
- argv[1]);
- return 2;
- }
-
- // Set up the pipe for sending commands back to the parent process.
-
- int fd = atoi(argv[2]);
- FILE* cmd_pipe = fdopen(fd, "wb");
- setlinebuf(cmd_pipe);
-
- // Extract the script from the package.
-
- const char* package_filename = argv[3];
- MemMapping map;
- if (sysMapFile(package_filename, &map) != 0) {
- printf("failed to map package %s\n", argv[3]);
- return 3;
- }
- ZipArchive za;
- int err;
- err = mzOpenZipArchive(map.addr, map.length, &za);
- if (err != 0) {
- printf("failed to open package %s: %s\n",
- argv[3], strerror(err));
- return 3;
- }
-
- const ZipEntry* script_entry = mzFindZipEntry(&za, SCRIPT_NAME);
- if (script_entry == NULL) {
- printf("failed to find %s in %s\n", SCRIPT_NAME, package_filename);
- return 4;
- }
-
- char* script = malloc(script_entry->uncompLen+1);
- if (!mzReadZipEntry(&za, script_entry, script, script_entry->uncompLen)) {
- printf("failed to read script from package\n");
- return 5;
- }
- script[script_entry->uncompLen] = '\0';
-
- // Configure edify's functions.
-
- RegisterBuiltins();
- RegisterInstallFunctions();
- RegisterBlockImageFunctions();
- RegisterDeviceExtensions();
- FinishRegistration();
-
- // Parse the script.
-
- Expr* root;
- int error_count = 0;
- int error = parse_string(script, &root, &error_count);
- if (error != 0 || error_count > 0) {
- printf("%d parse errors\n", error_count);
- return 6;
- }
-
- struct selinux_opt seopts[] = {
- { SELABEL_OPT_PATH, "/file_contexts" }
- };
-
- sehandle = selabel_open(SELABEL_CTX_FILE, seopts, 1);
-
- if (!sehandle) {
- fprintf(cmd_pipe, "ui_print Warning: No file_contexts\n");
- }
-
- // Evaluate the parsed script.
-
- UpdaterInfo updater_info;
- updater_info.cmd_pipe = cmd_pipe;
- updater_info.package_zip = &za;
- updater_info.version = atoi(version);
- updater_info.package_zip_addr = map.addr;
- updater_info.package_zip_len = map.length;
-
- State state;
- state.cookie = &updater_info;
- state.script = script;
- state.errmsg = NULL;
-
- char* result = Evaluate(&state, root);
- if (result == NULL) {
- if (state.errmsg == NULL) {
- printf("script aborted (no error message)\n");
- fprintf(cmd_pipe, "ui_print script aborted (no error message)\n");
- } else {
- printf("script aborted: %s\n", state.errmsg);
- char* line = strtok(state.errmsg, "\n");
- while (line) {
- fprintf(cmd_pipe, "ui_print %s\n", line);
- line = strtok(NULL, "\n");
- }
- fprintf(cmd_pipe, "ui_print\n");
- }
- free(state.errmsg);
- return 7;
- } else {
- fprintf(cmd_pipe, "ui_print script succeeded: result was [%s]\n", result);
- free(result);
- }
-
- if (updater_info.package_zip) {
- mzCloseZipArchive(updater_info.package_zip);
- }
- sysReleaseMap(&map);
- free(script);
-
- return 0;
-}
diff --git a/updater/updater.cpp b/updater/updater.cpp
new file mode 100644
index 0000000..e956dd5
--- /dev/null
+++ b/updater/updater.cpp
@@ -0,0 +1,203 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "edify/expr.h"
+#include "updater.h"
+#include "install.h"
+#include "blockimg.h"
+#include "minzip/Zip.h"
+#include "minzip/SysUtil.h"
+#include "config.h"
+
+// Generated by the makefile, this function defines the
+// RegisterDeviceExtensions() function, which calls all the
+// registration functions for device-specific extensions.
+#include "register.inc"
+
+// Where in the package we expect to find the edify script to execute.
+// (Note it's "updateR-script", not the older "update-script".)
+#define SCRIPT_NAME "META-INF/com/google/android/updater-script"
+
+extern bool have_eio_error;
+
+struct selabel_handle *sehandle;
+
+int main(int argc, char** argv) {
+ // Various things log information to stdout or stderr more or less
+ // at random (though we've tried to standardize on stdout). The
+ // log file makes more sense if buffering is turned off so things
+ // appear in the right order.
+ setbuf(stdout, NULL);
+ setbuf(stderr, NULL);
+
+ if (argc != 4 && argc != 5) {
+ printf("unexpected number of arguments (%d)\n", argc);
+ return 1;
+ }
+
+ char* version = argv[1];
+ if ((version[0] != '1' && version[0] != '2' && version[0] != '3') ||
+ version[1] != '\0') {
+ // We support version 1, 2, or 3.
+ printf("wrong updater binary API; expected 1, 2, or 3; "
+ "got %s\n",
+ argv[1]);
+ return 2;
+ }
+
+ // Set up the pipe for sending commands back to the parent process.
+
+ int fd = atoi(argv[2]);
+ FILE* cmd_pipe = fdopen(fd, "wb");
+ setlinebuf(cmd_pipe);
+
+ // Extract the script from the package.
+
+ const char* package_filename = argv[3];
+ MemMapping map;
+ if (sysMapFile(package_filename, &map) != 0) {
+ printf("failed to map package %s\n", argv[3]);
+ return 3;
+ }
+ ZipArchive za;
+ int err;
+ err = mzOpenZipArchive(map.addr, map.length, &za);
+ if (err != 0) {
+ printf("failed to open package %s: %s\n",
+ argv[3], strerror(err));
+ return 3;
+ }
+ ota_io_init(&za);
+
+ const ZipEntry* script_entry = mzFindZipEntry(&za, SCRIPT_NAME);
+ if (script_entry == NULL) {
+ printf("failed to find %s in %s\n", SCRIPT_NAME, package_filename);
+ return 4;
+ }
+
+ char* script = reinterpret_cast<char*>(malloc(script_entry->uncompLen+1));
+ if (!mzReadZipEntry(&za, script_entry, script, script_entry->uncompLen)) {
+ printf("failed to read script from package\n");
+ return 5;
+ }
+ script[script_entry->uncompLen] = '\0';
+
+ // Configure edify's functions.
+
+ RegisterBuiltins();
+ RegisterInstallFunctions();
+ RegisterBlockImageFunctions();
+ RegisterDeviceExtensions();
+ FinishRegistration();
+
+ // Parse the script.
+
+ Expr* root;
+ int error_count = 0;
+ int error = parse_string(script, &root, &error_count);
+ if (error != 0 || error_count > 0) {
+ printf("%d parse errors\n", error_count);
+ return 6;
+ }
+
+ struct selinux_opt seopts[] = {
+ { SELABEL_OPT_PATH, "/file_contexts" }
+ };
+
+ sehandle = selabel_open(SELABEL_CTX_FILE, seopts, 1);
+
+ if (!sehandle) {
+ fprintf(cmd_pipe, "ui_print Warning: No file_contexts\n");
+ }
+
+ // Evaluate the parsed script.
+
+ UpdaterInfo updater_info;
+ updater_info.cmd_pipe = cmd_pipe;
+ updater_info.package_zip = &za;
+ updater_info.version = atoi(version);
+ updater_info.package_zip_addr = map.addr;
+ updater_info.package_zip_len = map.length;
+
+ State state;
+ state.cookie = &updater_info;
+ state.script = script;
+ state.errmsg = NULL;
+
+ if (argc == 5) {
+ if (strcmp(argv[4], "retry") == 0) {
+ state.is_retry = true;
+ } else {
+ printf("unexpected argument: %s", argv[4]);
+ }
+ }
+
+ char* result = Evaluate(&state, root);
+
+ if (have_eio_error) {
+ fprintf(cmd_pipe, "retry_update\n");
+ }
+
+ if (result == NULL) {
+ if (state.errmsg == NULL) {
+ printf("script aborted (no error message)\n");
+ fprintf(cmd_pipe, "ui_print script aborted (no error message)\n");
+ } else {
+ printf("script aborted: %s\n", state.errmsg);
+ char* line = strtok(state.errmsg, "\n");
+ while (line) {
+ // Parse the error code in abort message.
+ // Example: "E30: This package is for bullhead devices."
+ if (*line == 'E') {
+ if (sscanf(line, "E%u: ", &state.error_code) != 1) {
+ printf("Failed to parse error code: [%s]\n", line);
+ }
+ }
+ fprintf(cmd_pipe, "ui_print %s\n", line);
+ line = strtok(NULL, "\n");
+ }
+ fprintf(cmd_pipe, "ui_print\n");
+ }
+
+ if (state.error_code != kNoError) {
+ fprintf(cmd_pipe, "log error: %d\n", state.error_code);
+ // Cause code should provide additional information about the abort;
+ // report only when an error exists.
+ if (state.cause_code != kNoCause) {
+ fprintf(cmd_pipe, "log cause: %d\n", state.cause_code);
+ }
+ }
+
+ free(state.errmsg);
+ return 7;
+ } else {
+ fprintf(cmd_pipe, "ui_print script succeeded: result was [%s]\n", result);
+ free(result);
+ }
+
+ if (updater_info.package_zip) {
+ mzCloseZipArchive(updater_info.package_zip);
+ }
+ sysReleaseMap(&map);
+ free(script);
+
+ return 0;
+}
diff --git a/verifier.cpp b/verifier.cpp
index 61e5adf..16cc7cf 100644
--- a/verifier.cpp
+++ b/verifier.cpp
@@ -14,25 +14,27 @@
* limitations under the License.
*/
-#include "asn1_decoder.h"
-#include "common.h"
-#include "ui.h"
-#include "verifier.h"
-
-#include "mincrypt/dsa_sig.h"
-#include "mincrypt/p256.h"
-#include "mincrypt/p256_ecdsa.h"
-#include "mincrypt/rsa.h"
-#include "mincrypt/sha.h"
-#include "mincrypt/sha256.h"
-
#include <errno.h>
#include <malloc.h>
#include <stdio.h>
#include <string.h>
+#include <algorithm>
+#include <memory>
+
+#include <openssl/ecdsa.h>
+#include <openssl/obj_mac.h>
+
+#include "asn1_decoder.h"
+#include "common.h"
+#include "print_sha1.h"
+#include "ui.h"
+#include "verifier.h"
+
extern RecoveryUI* ui;
+static constexpr size_t MiB = 1024 * 1024;
+
/*
* Simple version of PKCS#7 SignedData extraction. This extracts the
* signature OCTET STRING to be used for signature verification.
@@ -113,7 +115,7 @@
// or no key matches the signature).
int verify_file(unsigned char* addr, size_t length,
- const Certificate* pKeys, unsigned int numKeys) {
+ const std::vector<Certificate>& keys) {
ui->SetProgress(0.0);
// An archive with a whole-file signature will end in six bytes:
@@ -176,8 +178,7 @@
return VERIFY_FAILURE;
}
- size_t i;
- for (i = 4; i < eocd_size-3; ++i) {
+ for (size_t i = 4; i < eocd_size-3; ++i) {
if (eocd[i ] == 0x50 && eocd[i+1] == 0x4b &&
eocd[i+2] == 0x05 && eocd[i+3] == 0x06) {
// if the sequence $50 $4b $05 $06 appears anywhere after
@@ -189,30 +190,30 @@
}
}
-#define BUFFER_SIZE 4096
-
bool need_sha1 = false;
bool need_sha256 = false;
- for (i = 0; i < numKeys; ++i) {
- switch (pKeys[i].hash_len) {
- case SHA_DIGEST_SIZE: need_sha1 = true; break;
- case SHA256_DIGEST_SIZE: need_sha256 = true; break;
+ for (const auto& key : keys) {
+ switch (key.hash_len) {
+ case SHA_DIGEST_LENGTH: need_sha1 = true; break;
+ case SHA256_DIGEST_LENGTH: need_sha256 = true; break;
}
}
SHA_CTX sha1_ctx;
SHA256_CTX sha256_ctx;
- SHA_init(&sha1_ctx);
- SHA256_init(&sha256_ctx);
+ SHA1_Init(&sha1_ctx);
+ SHA256_Init(&sha256_ctx);
double frac = -1.0;
size_t so_far = 0;
while (so_far < signed_len) {
- size_t size = signed_len - so_far;
- if (size > BUFFER_SIZE) size = BUFFER_SIZE;
+ // On a Nexus 5X, experiment showed 16MiB beat 1MiB by 6% faster for a
+ // 1196MiB full OTA and 60% for an 89MiB incremental OTA.
+ // http://b/28135231.
+ size_t size = std::min(signed_len - so_far, 16 * MiB);
- if (need_sha1) SHA_update(&sha1_ctx, addr + so_far, size);
- if (need_sha256) SHA256_update(&sha256_ctx, addr + so_far, size);
+ if (need_sha1) SHA1_Update(&sha1_ctx, addr + so_far, size);
+ if (need_sha256) SHA256_Update(&sha256_ctx, addr + so_far, size);
so_far += size;
double f = so_far / (double)signed_len;
@@ -222,15 +223,22 @@
}
}
- const uint8_t* sha1 = SHA_final(&sha1_ctx);
- const uint8_t* sha256 = SHA256_final(&sha256_ctx);
+ uint8_t sha1[SHA_DIGEST_LENGTH];
+ SHA1_Final(sha1, &sha1_ctx);
+ uint8_t sha256[SHA256_DIGEST_LENGTH];
+ SHA256_Final(sha256, &sha256_ctx);
- uint8_t* sig_der = NULL;
+ uint8_t* sig_der = nullptr;
size_t sig_der_length = 0;
+ uint8_t* signature = eocd + eocd_size - signature_start;
size_t signature_size = signature_start - FOOTER_SIZE;
- if (!read_pkcs7(eocd + eocd_size - signature_start, signature_size, &sig_der,
- &sig_der_length)) {
+
+ LOGI("signature (offset: 0x%zx, length: %zu): %s\n",
+ length - signature_start, signature_size,
+ print_hex(signature, signature_size).c_str());
+
+ if (!read_pkcs7(signature, signature_size, &sig_der, &sig_der_length)) {
LOGE("Could not find signature DER block\n");
return VERIFY_FAILURE;
}
@@ -240,25 +248,28 @@
* any key can match, we need to try each before determining a verification
* failure has happened.
*/
- for (i = 0; i < numKeys; ++i) {
+ size_t i = 0;
+ for (const auto& key : keys) {
const uint8_t* hash;
- switch (pKeys[i].hash_len) {
- case SHA_DIGEST_SIZE: hash = sha1; break;
- case SHA256_DIGEST_SIZE: hash = sha256; break;
- default: continue;
+ int hash_nid;
+ switch (key.hash_len) {
+ case SHA_DIGEST_LENGTH:
+ hash = sha1;
+ hash_nid = NID_sha1;
+ break;
+ case SHA256_DIGEST_LENGTH:
+ hash = sha256;
+ hash_nid = NID_sha256;
+ break;
+ default:
+ continue;
}
// The 6 bytes is the "(signature_start) $ff $ff (comment_size)" that
// the signing tool appends after the signature itself.
- if (pKeys[i].key_type == Certificate::RSA) {
- if (sig_der_length < RSANUMBYTES) {
- // "signature" block isn't big enough to contain an RSA block.
- LOGI("signature is too short for RSA key %zu\n", i);
- continue;
- }
-
- if (!RSA_verify(pKeys[i].rsa, sig_der, RSANUMBYTES,
- hash, pKeys[i].hash_len)) {
+ if (key.key_type == Certificate::KEY_TYPE_RSA) {
+ if (!RSA_verify(hash_nid, hash, key.hash_len, sig_der,
+ sig_der_length, key.rsa.get())) {
LOGI("failed to verify against RSA key %zu\n", i);
continue;
}
@@ -266,18 +277,10 @@
LOGI("whole-file signature verified against RSA key %zu\n", i);
free(sig_der);
return VERIFY_SUCCESS;
- } else if (pKeys[i].key_type == Certificate::EC
- && pKeys[i].hash_len == SHA256_DIGEST_SIZE) {
- p256_int r, s;
- if (!dsa_sig_unpack(sig_der, sig_der_length, &r, &s)) {
- LOGI("Not a DSA signature block for EC key %zu\n", i);
- continue;
- }
-
- p256_int p256_hash;
- p256_from_bin(hash, &p256_hash);
- if (!p256_ecdsa_verify(&(pKeys[i].ec->x), &(pKeys[i].ec->y),
- &p256_hash, &r, &s)) {
+ } else if (key.key_type == Certificate::KEY_TYPE_EC
+ && key.hash_len == SHA256_DIGEST_LENGTH) {
+ if (!ECDSA_verify(0, hash, key.hash_len, sig_der,
+ sig_der_length, key.ec.get())) {
LOGI("failed to verify against EC key %zu\n", i);
continue;
}
@@ -286,14 +289,160 @@
free(sig_der);
return VERIFY_SUCCESS;
} else {
- LOGI("Unknown key type %d\n", pKeys[i].key_type);
+ LOGI("Unknown key type %d\n", key.key_type);
}
+ i++;
+ }
+
+ if (need_sha1) {
+ LOGI("SHA-1 digest: %s\n", print_hex(sha1, SHA_DIGEST_LENGTH).c_str());
+ }
+ if (need_sha256) {
+ LOGI("SHA-256 digest: %s\n", print_hex(sha256, SHA256_DIGEST_LENGTH).c_str());
}
free(sig_der);
LOGE("failed to verify whole-file signature\n");
return VERIFY_FAILURE;
}
+std::unique_ptr<RSA, RSADeleter> parse_rsa_key(FILE* file, uint32_t exponent) {
+ // Read key length in words and n0inv. n0inv is a precomputed montgomery
+ // parameter derived from the modulus and can be used to speed up
+ // verification. n0inv is 32 bits wide here, assuming the verification logic
+ // uses 32 bit arithmetic. However, BoringSSL may use a word size of 64 bits
+ // internally, in which case we don't have a valid n0inv. Thus, we just
+ // ignore the montgomery parameters and have BoringSSL recompute them
+ // internally. If/When the speedup from using the montgomery parameters
+ // becomes relevant, we can add more sophisticated code here to obtain a
+ // 64-bit n0inv and initialize the montgomery parameters in the key object.
+ uint32_t key_len_words = 0;
+ uint32_t n0inv = 0;
+ if (fscanf(file, " %i , 0x%x", &key_len_words, &n0inv) != 2) {
+ return nullptr;
+ }
+
+ if (key_len_words > 8192 / 32) {
+ LOGE("key length (%d) too large\n", key_len_words);
+ return nullptr;
+ }
+
+ // Read the modulus.
+ std::unique_ptr<uint32_t[]> modulus(new uint32_t[key_len_words]);
+ if (fscanf(file, " , { %u", &modulus[0]) != 1) {
+ return nullptr;
+ }
+ for (uint32_t i = 1; i < key_len_words; ++i) {
+ if (fscanf(file, " , %u", &modulus[i]) != 1) {
+ return nullptr;
+ }
+ }
+
+ // Cconvert from little-endian array of little-endian words to big-endian
+ // byte array suitable as input for BN_bin2bn.
+ std::reverse((uint8_t*)modulus.get(),
+ (uint8_t*)(modulus.get() + key_len_words));
+
+ // The next sequence of values is the montgomery parameter R^2. Since we
+ // generally don't have a valid |n0inv|, we ignore this (see comment above).
+ uint32_t rr_value;
+ if (fscanf(file, " } , { %u", &rr_value) != 1) {
+ return nullptr;
+ }
+ for (uint32_t i = 1; i < key_len_words; ++i) {
+ if (fscanf(file, " , %u", &rr_value) != 1) {
+ return nullptr;
+ }
+ }
+ if (fscanf(file, " } } ") != 0) {
+ return nullptr;
+ }
+
+ // Initialize the key.
+ std::unique_ptr<RSA, RSADeleter> key(RSA_new());
+ if (!key) {
+ return nullptr;
+ }
+
+ key->n = BN_bin2bn((uint8_t*)modulus.get(),
+ key_len_words * sizeof(uint32_t), NULL);
+ if (!key->n) {
+ return nullptr;
+ }
+
+ key->e = BN_new();
+ if (!key->e || !BN_set_word(key->e, exponent)) {
+ return nullptr;
+ }
+
+ return key;
+}
+
+struct BNDeleter {
+ void operator()(BIGNUM* bn) {
+ BN_free(bn);
+ }
+};
+
+std::unique_ptr<EC_KEY, ECKEYDeleter> parse_ec_key(FILE* file) {
+ uint32_t key_len_bytes = 0;
+ if (fscanf(file, " %i", &key_len_bytes) != 1) {
+ return nullptr;
+ }
+
+ std::unique_ptr<EC_GROUP, void (*)(EC_GROUP*)> group(
+ EC_GROUP_new_by_curve_name(NID_X9_62_prime256v1), EC_GROUP_free);
+ if (!group) {
+ return nullptr;
+ }
+
+ // Verify that |key_len| matches the group order.
+ if (key_len_bytes != BN_num_bytes(EC_GROUP_get0_order(group.get()))) {
+ return nullptr;
+ }
+
+ // Read the public key coordinates. Note that the byte order in the file is
+ // little-endian, so we convert to big-endian here.
+ std::unique_ptr<uint8_t[]> bytes(new uint8_t[key_len_bytes]);
+ std::unique_ptr<BIGNUM, BNDeleter> point[2];
+ for (int i = 0; i < 2; ++i) {
+ unsigned int byte = 0;
+ if (fscanf(file, " , { %u", &byte) != 1) {
+ return nullptr;
+ }
+ bytes[key_len_bytes - 1] = byte;
+
+ for (size_t i = 1; i < key_len_bytes; ++i) {
+ if (fscanf(file, " , %u", &byte) != 1) {
+ return nullptr;
+ }
+ bytes[key_len_bytes - i - 1] = byte;
+ }
+
+ point[i].reset(BN_bin2bn(bytes.get(), key_len_bytes, nullptr));
+ if (!point[i]) {
+ return nullptr;
+ }
+
+ if (fscanf(file, " }") != 0) {
+ return nullptr;
+ }
+ }
+
+ if (fscanf(file, " } ") != 0) {
+ return nullptr;
+ }
+
+ // Create and initialize the key.
+ std::unique_ptr<EC_KEY, ECKEYDeleter> key(EC_KEY_new());
+ if (!key || !EC_KEY_set_group(key.get(), group.get()) ||
+ !EC_KEY_set_public_key_affine_coordinates(key.get(), point[0].get(),
+ point[1].get())) {
+ return nullptr;
+ }
+
+ return key;
+}
+
// Reads a file containing one or more public keys as produced by
// DumpPublicKey: this is an RSAPublicKey struct as it would appear
// as a C source literal, eg:
@@ -323,140 +472,85 @@
// 4: 2048-bit RSA key with e=65537 and SHA-256 hash
// 5: 256-bit EC key using the NIST P-256 curve parameters and SHA-256 hash
//
-// Returns NULL if the file failed to parse, or if it contain zero keys.
-Certificate*
-load_keys(const char* filename, int* numKeys) {
- Certificate* out = NULL;
- *numKeys = 0;
-
- FILE* f = fopen(filename, "r");
- if (f == NULL) {
+// Returns true on success, and appends the found keys (at least one) to certs.
+// Otherwise returns false if the file failed to parse, or if it contains zero
+// keys. The contents in certs would be unspecified on failure.
+bool load_keys(const char* filename, std::vector<Certificate>& certs) {
+ std::unique_ptr<FILE, decltype(&fclose)> f(fopen(filename, "r"), fclose);
+ if (!f) {
LOGE("opening %s: %s\n", filename, strerror(errno));
- goto exit;
+ return false;
}
- {
- int i;
- bool done = false;
- while (!done) {
- ++*numKeys;
- out = (Certificate*)realloc(out, *numKeys * sizeof(Certificate));
- Certificate* cert = out + (*numKeys - 1);
- memset(cert, '\0', sizeof(Certificate));
+ while (true) {
+ certs.emplace_back(0, Certificate::KEY_TYPE_RSA, nullptr, nullptr);
+ Certificate& cert = certs.back();
+ uint32_t exponent = 0;
- char start_char;
- if (fscanf(f, " %c", &start_char) != 1) goto exit;
- if (start_char == '{') {
- // a version 1 key has no version specifier.
- cert->key_type = Certificate::RSA;
- cert->rsa = (RSAPublicKey*)malloc(sizeof(RSAPublicKey));
- cert->rsa->exponent = 3;
- cert->hash_len = SHA_DIGEST_SIZE;
- } else if (start_char == 'v') {
- int version;
- if (fscanf(f, "%d {", &version) != 1) goto exit;
- switch (version) {
- case 2:
- cert->key_type = Certificate::RSA;
- cert->rsa = (RSAPublicKey*)malloc(sizeof(RSAPublicKey));
- cert->rsa->exponent = 65537;
- cert->hash_len = SHA_DIGEST_SIZE;
- break;
- case 3:
- cert->key_type = Certificate::RSA;
- cert->rsa = (RSAPublicKey*)malloc(sizeof(RSAPublicKey));
- cert->rsa->exponent = 3;
- cert->hash_len = SHA256_DIGEST_SIZE;
- break;
- case 4:
- cert->key_type = Certificate::RSA;
- cert->rsa = (RSAPublicKey*)malloc(sizeof(RSAPublicKey));
- cert->rsa->exponent = 65537;
- cert->hash_len = SHA256_DIGEST_SIZE;
- break;
- case 5:
- cert->key_type = Certificate::EC;
- cert->ec = (ECPublicKey*)calloc(1, sizeof(ECPublicKey));
- cert->hash_len = SHA256_DIGEST_SIZE;
- break;
- default:
- goto exit;
- }
+ char start_char;
+ if (fscanf(f.get(), " %c", &start_char) != 1) return false;
+ if (start_char == '{') {
+ // a version 1 key has no version specifier.
+ cert.key_type = Certificate::KEY_TYPE_RSA;
+ exponent = 3;
+ cert.hash_len = SHA_DIGEST_LENGTH;
+ } else if (start_char == 'v') {
+ int version;
+ if (fscanf(f.get(), "%d {", &version) != 1) return false;
+ switch (version) {
+ case 2:
+ cert.key_type = Certificate::KEY_TYPE_RSA;
+ exponent = 65537;
+ cert.hash_len = SHA_DIGEST_LENGTH;
+ break;
+ case 3:
+ cert.key_type = Certificate::KEY_TYPE_RSA;
+ exponent = 3;
+ cert.hash_len = SHA256_DIGEST_LENGTH;
+ break;
+ case 4:
+ cert.key_type = Certificate::KEY_TYPE_RSA;
+ exponent = 65537;
+ cert.hash_len = SHA256_DIGEST_LENGTH;
+ break;
+ case 5:
+ cert.key_type = Certificate::KEY_TYPE_EC;
+ cert.hash_len = SHA256_DIGEST_LENGTH;
+ break;
+ default:
+ return false;
+ }
+ }
+
+ if (cert.key_type == Certificate::KEY_TYPE_RSA) {
+ cert.rsa = parse_rsa_key(f.get(), exponent);
+ if (!cert.rsa) {
+ return false;
}
- if (cert->key_type == Certificate::RSA) {
- RSAPublicKey* key = cert->rsa;
- if (fscanf(f, " %i , 0x%x , { %u",
- &(key->len), &(key->n0inv), &(key->n[0])) != 3) {
- goto exit;
- }
- if (key->len != RSANUMWORDS) {
- LOGE("key length (%d) does not match expected size\n", key->len);
- goto exit;
- }
- for (i = 1; i < key->len; ++i) {
- if (fscanf(f, " , %u", &(key->n[i])) != 1) goto exit;
- }
- if (fscanf(f, " } , { %u", &(key->rr[0])) != 1) goto exit;
- for (i = 1; i < key->len; ++i) {
- if (fscanf(f, " , %u", &(key->rr[i])) != 1) goto exit;
- }
- fscanf(f, " } } ");
-
- LOGI("read key e=%d hash=%d\n", key->exponent, cert->hash_len);
- } else if (cert->key_type == Certificate::EC) {
- ECPublicKey* key = cert->ec;
- int key_len;
- unsigned int byte;
- uint8_t x_bytes[P256_NBYTES];
- uint8_t y_bytes[P256_NBYTES];
- if (fscanf(f, " %i , { %u", &key_len, &byte) != 2) goto exit;
- if (key_len != P256_NBYTES) {
- LOGE("Key length (%d) does not match expected size %d\n", key_len, P256_NBYTES);
- goto exit;
- }
- x_bytes[P256_NBYTES - 1] = byte;
- for (i = P256_NBYTES - 2; i >= 0; --i) {
- if (fscanf(f, " , %u", &byte) != 1) goto exit;
- x_bytes[i] = byte;
- }
- if (fscanf(f, " } , { %u", &byte) != 1) goto exit;
- y_bytes[P256_NBYTES - 1] = byte;
- for (i = P256_NBYTES - 2; i >= 0; --i) {
- if (fscanf(f, " , %u", &byte) != 1) goto exit;
- y_bytes[i] = byte;
- }
- fscanf(f, " } } ");
- p256_from_bin(x_bytes, &key->x);
- p256_from_bin(y_bytes, &key->y);
- } else {
- LOGE("Unknown key type %d\n", cert->key_type);
- goto exit;
+ LOGI("read key e=%d hash=%d\n", exponent, cert.hash_len);
+ } else if (cert.key_type == Certificate::KEY_TYPE_EC) {
+ cert.ec = parse_ec_key(f.get());
+ if (!cert.ec) {
+ return false;
}
+ } else {
+ LOGE("Unknown key type %d\n", cert.key_type);
+ return false;
+ }
- // if the line ends in a comma, this file has more keys.
- switch (fgetc(f)) {
- case ',':
- // more keys to come.
- break;
-
- case EOF:
- done = true;
- break;
-
- default:
- LOGE("unexpected character between keys\n");
- goto exit;
- }
+ // if the line ends in a comma, this file has more keys.
+ int ch = fgetc(f.get());
+ if (ch == ',') {
+ // more keys to come.
+ continue;
+ } else if (ch == EOF) {
+ break;
+ } else {
+ LOGE("unexpected character between keys\n");
+ return false;
}
}
- fclose(f);
- return out;
-
-exit:
- if (f) fclose(f);
- free(out);
- *numKeys = 0;
- return NULL;
+ return true;
}
diff --git a/verifier.h b/verifier.h
index 15f8d98..58083fe 100644
--- a/verifier.h
+++ b/verifier.h
@@ -17,25 +17,46 @@
#ifndef _RECOVERY_VERIFIER_H
#define _RECOVERY_VERIFIER_H
-#include "mincrypt/p256.h"
-#include "mincrypt/rsa.h"
+#include <memory>
+#include <vector>
-typedef struct {
- p256_int x;
- p256_int y;
-} ECPublicKey;
+#include <openssl/ec_key.h>
+#include <openssl/rsa.h>
+#include <openssl/sha.h>
-typedef struct {
+struct RSADeleter {
+ void operator()(RSA* rsa) {
+ RSA_free(rsa);
+ }
+};
+
+struct ECKEYDeleter {
+ void operator()(EC_KEY* ec_key) {
+ EC_KEY_free(ec_key);
+ }
+};
+
+struct Certificate {
typedef enum {
- RSA,
- EC,
+ KEY_TYPE_RSA,
+ KEY_TYPE_EC,
} KeyType;
- int hash_len; // SHA_DIGEST_SIZE (SHA-1) or SHA256_DIGEST_SIZE (SHA-256)
+ Certificate(int hash_len_,
+ KeyType key_type_,
+ std::unique_ptr<RSA, RSADeleter>&& rsa_,
+ std::unique_ptr<EC_KEY, ECKEYDeleter>&& ec_)
+ : hash_len(hash_len_),
+ key_type(key_type_),
+ rsa(std::move(rsa_)),
+ ec(std::move(ec_)) {}
+
+ // SHA_DIGEST_LENGTH (SHA-1) or SHA256_DIGEST_LENGTH (SHA-256)
+ int hash_len;
KeyType key_type;
- RSAPublicKey* rsa;
- ECPublicKey* ec;
-} Certificate;
+ std::unique_ptr<RSA, RSADeleter> rsa;
+ std::unique_ptr<EC_KEY, ECKEYDeleter> ec;
+};
/* addr and length define a an update package file that has been
* loaded (or mmap'ed, or whatever) into memory. Verify that the file
@@ -43,9 +64,9 @@
* one of the constants below.
*/
int verify_file(unsigned char* addr, size_t length,
- const Certificate *pKeys, unsigned int numKeys);
+ const std::vector<Certificate>& keys);
-Certificate* load_keys(const char* filename, int* numKeys);
+bool load_keys(const char* filename, std::vector<Certificate>& certs);
#define VERIFY_SUCCESS 0
#define VERIFY_FAILURE 1
diff --git a/verifier_test.cpp b/verifier_test.cpp
deleted file mode 100644
index 82546ed..0000000
--- a/verifier_test.cpp
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-#include "common.h"
-#include "verifier.h"
-#include "ui.h"
-#include "mincrypt/sha.h"
-#include "mincrypt/sha256.h"
-#include "minzip/SysUtil.h"
-
-// This is build/target/product/security/testkey.x509.pem after being
-// dumped out by dumpkey.jar.
-RSAPublicKey test_key =
- { 64, 0xc926ad21,
- { 0x6afee91fu, 0x7fa31d5bu, 0x38a0b217u, 0x99df9baeu,
- 0xfe72991du, 0x727d3c04u, 0x20943f99u, 0xd08e7826u,
- 0x69e7c8a2u, 0xdeeccc8eu, 0x6b9af76fu, 0x553311c4u,
- 0x07b9e247u, 0x54c8bbcau, 0x6a540d81u, 0x48dbf567u,
- 0x98c92877u, 0x134fbfdeu, 0x01b32564u, 0x24581948u,
- 0x6cddc3b8u, 0x0cd444dau, 0xfe0381ccu, 0xf15818dfu,
- 0xc06e6d42u, 0x2e2f6412u, 0x093a6737u, 0x94d83b31u,
- 0xa466c87au, 0xb3f284a0u, 0xa694ec2cu, 0x053359e6u,
- 0x9717ee6au, 0x0732e080u, 0x220d5008u, 0xdc4af350u,
- 0x93d0a7c3u, 0xe330c9eau, 0xcac3da1eu, 0x8ebecf8fu,
- 0xc2be387fu, 0x38a14e89u, 0x211586f0u, 0x18b846f5u,
- 0x43be4c72u, 0xb578c204u, 0x1bbfb230u, 0xf1e267a8u,
- 0xa2d3e656u, 0x64b8e4feu, 0xe7e83d4bu, 0x3e77a943u,
- 0x3559ffd9u, 0x0ebb0f99u, 0x0aa76ce6u, 0xd3786ea7u,
- 0xbca8cd6bu, 0x068ca8e8u, 0xeb1de2ffu, 0x3e3ecd6cu,
- 0xe0d9d825u, 0xb1edc762u, 0xdec60b24u, 0xd6931904u},
- { 0xccdcb989u, 0xe19281f9u, 0xa6e80accu, 0xb7f40560u,
- 0x0efb0bccu, 0x7f12b0bbu, 0x1e90531au, 0x136d95d0u,
- 0x9e660665u, 0x7d54918fu, 0xe3b93ea2u, 0x2f415d10u,
- 0x3d2df6e6u, 0x7a627ecfu, 0xa6f22d70u, 0xb995907au,
- 0x09de16b2u, 0xfeb8bd61u, 0xf24ec294u, 0x716a427fu,
- 0x2e12046fu, 0xeaf3d56au, 0xd9b873adu, 0x0ced340bu,
- 0xbc9cec09u, 0x73c65903u, 0xee39ce9bu, 0x3eede25au,
- 0x397633b7u, 0x2583c165u, 0x8514f97du, 0xe9166510u,
- 0x0b6fae99u, 0xa47139fdu, 0xdb8352f0u, 0xb2ad7f2cu,
- 0xa11552e2u, 0xd4d490a7u, 0xe11e8568u, 0xe9e484dau,
- 0xd3ef8449u, 0xa47055dau, 0x4edd9557u, 0x03a78ba1u,
- 0x770e130du, 0x16762facu, 0x0cbdfcc4u, 0xf3070540u,
- 0x008b6515u, 0x60e7e1b7u, 0xa72cf7f9u, 0xaff86e39u,
- 0x4296faadu, 0xfc90430eu, 0x6cc8f377u, 0xb398fd43u,
- 0x423c5997u, 0x991d59c4u, 0x6464bf73u, 0x96431575u,
- 0x15e3d207u, 0x30532a7au, 0x8c4be618u, 0x460a4d76u },
- 3
- };
-
-RSAPublicKey test_f4_key =
- { 64, 0xc9bd1f21,
- { 0x1178db1fu, 0xbf5d0e55u, 0x3393a165u, 0x0ef4c287u,
- 0xbc472a4au, 0x383fc5a1u, 0x4a13b7d2u, 0xb1ff2ac3u,
- 0xaf66b4d9u, 0x9280acefu, 0xa2165bdbu, 0x6a4d6e5cu,
- 0x08ea676bu, 0xb7ac70c7u, 0xcd158139u, 0xa635ccfeu,
- 0xa46ab8a8u, 0x445a3e8bu, 0xdc81d9bbu, 0x91ce1a20u,
- 0x68021cdeu, 0x4516eda9u, 0x8d43c30cu, 0xed1eff14u,
- 0xca387e4cu, 0x58adc233u, 0x4657ab27u, 0xa95b521eu,
- 0xdfc0e30cu, 0x394d64a1u, 0xc6b321a1u, 0x2ca22cb8u,
- 0xb1892d5cu, 0x5d605f3eu, 0x6025483cu, 0x9afd5181u,
- 0x6e1a7105u, 0x03010593u, 0x70acd304u, 0xab957cbfu,
- 0x8844abbbu, 0x53846837u, 0x24e98a43u, 0x2ba060c1u,
- 0x8b88b88eu, 0x44eea405u, 0xb259fc41u, 0x0907ad9cu,
- 0x13003adau, 0xcf79634eu, 0x7d314ec9u, 0xfbbe4c2bu,
- 0xd84d0823u, 0xfd30fd88u, 0x68d8a909u, 0xfb4572d9u,
- 0xa21301c2u, 0xd00a4785u, 0x6862b50cu, 0xcfe49796u,
- 0xdaacbd83u, 0xfb620906u, 0xdf71e0ccu, 0xbbc5b030u },
- { 0x69a82189u, 0x1a8b22f4u, 0xcf49207bu, 0x68cc056au,
- 0xb206b7d2u, 0x1d449bbdu, 0xe9d342f2u, 0x29daea58u,
- 0xb19d011au, 0xc62f15e4u, 0x9452697au, 0xb62bb87eu,
- 0x60f95cc2u, 0x279ebb2du, 0x17c1efd8u, 0xec47558bu,
- 0xc81334d1u, 0x88fe7601u, 0x79992eb1u, 0xb4555615u,
- 0x2022ac8cu, 0xc79a4b8cu, 0xb288b034u, 0xd6b942f0u,
- 0x0caa32fbu, 0xa065ba51u, 0x4de9f154u, 0x29f64f6cu,
- 0x7910af5eu, 0x3ed4636au, 0xe4c81911u, 0x9183f37du,
- 0x5811e1c4u, 0x29c7a58cu, 0x9715d4d3u, 0xc7e2dce3u,
- 0x140972ebu, 0xf4c8a69eu, 0xa104d424u, 0x5dabbdfbu,
- 0x41cb4c6bu, 0xd7f44717u, 0x61785ff7u, 0x5e0bc273u,
- 0x36426c70u, 0x2aa6f08eu, 0x083badbfu, 0x3cab941bu,
- 0x8871da23u, 0x1ab3dbaeu, 0x7115a21du, 0xf5aa0965u,
- 0xf766f562u, 0x7f110225u, 0x86d96a04u, 0xc50a120eu,
- 0x3a751ca3u, 0xc21aa186u, 0xba7359d0u, 0x3ff2b257u,
- 0xd116e8bbu, 0xfc1318c0u, 0x070e5b1du, 0x83b759a6u },
- 65537
- };
-
-ECPublicKey test_ec_key =
- {
- {
- {0xd656fa24u, 0x931416cau, 0x1c0278c6u, 0x174ebe4cu,
- 0x6018236au, 0x45ba1656u, 0xe8c05d84u, 0x670ed500u}
- },
- {
- {0x0d179adeu, 0x4c16827du, 0x9f8cb992u, 0x8f69ff8au,
- 0x481b1020u, 0x798d91afu, 0x184db8e9u, 0xb5848dd9u}
- }
- };
-
-RecoveryUI* ui = NULL;
-
-// verifier expects to find a UI object; we provide one that does
-// nothing but print.
-class FakeUI : public RecoveryUI {
- void Init() { }
- void SetStage(int, int) { }
- void SetLocale(const char*) { }
- void SetBackground(Icon icon) { }
-
- void SetProgressType(ProgressType determinate) { }
- void ShowProgress(float portion, float seconds) { }
- void SetProgress(float fraction) { }
-
- void ShowText(bool visible) { }
- bool IsTextVisible() { return false; }
- bool WasTextEverVisible() { return false; }
- void Print(const char* fmt, ...) {
- va_list ap;
- va_start(ap, fmt);
- vfprintf(stderr, fmt, ap);
- va_end(ap);
- }
- void ShowFile(const char*) { }
-
- void StartMenu(const char* const * headers, const char* const * items,
- int initial_selection) { }
- int SelectMenu(int sel) { return 0; }
- void EndMenu() { }
-};
-
-void
-ui_print(const char* format, ...) {
- va_list ap;
- va_start(ap, format);
- vfprintf(stdout, format, ap);
- va_end(ap);
-}
-
-static Certificate* add_certificate(Certificate** certsp, int* num_keys,
- Certificate::KeyType key_type) {
- int i = *num_keys;
- *num_keys = *num_keys + 1;
- *certsp = (Certificate*) realloc(*certsp, *num_keys * sizeof(Certificate));
- Certificate* certs = *certsp;
- certs[i].rsa = NULL;
- certs[i].ec = NULL;
- certs[i].key_type = key_type;
- certs[i].hash_len = SHA_DIGEST_SIZE;
- return &certs[i];
-}
-
-int main(int argc, char **argv) {
- if (argc < 2) {
- fprintf(stderr, "Usage: %s [-sha256] [-ec | -f4 | -file <keys>] <package>\n", argv[0]);
- return 2;
- }
- Certificate* certs = NULL;
- int num_keys = 0;
-
- int argn = 1;
- while (argn < argc) {
- if (strcmp(argv[argn], "-sha256") == 0) {
- if (num_keys == 0) {
- fprintf(stderr, "May only specify -sha256 after key type\n");
- return 2;
- }
- ++argn;
- Certificate* cert = &certs[num_keys - 1];
- cert->hash_len = SHA256_DIGEST_SIZE;
- } else if (strcmp(argv[argn], "-ec") == 0) {
- ++argn;
- Certificate* cert = add_certificate(&certs, &num_keys, Certificate::EC);
- cert->ec = &test_ec_key;
- } else if (strcmp(argv[argn], "-e3") == 0) {
- ++argn;
- Certificate* cert = add_certificate(&certs, &num_keys, Certificate::RSA);
- cert->rsa = &test_key;
- } else if (strcmp(argv[argn], "-f4") == 0) {
- ++argn;
- Certificate* cert = add_certificate(&certs, &num_keys, Certificate::RSA);
- cert->rsa = &test_f4_key;
- } else if (strcmp(argv[argn], "-file") == 0) {
- if (certs != NULL) {
- fprintf(stderr, "Cannot specify -file with other certs specified\n");
- return 2;
- }
- ++argn;
- certs = load_keys(argv[argn], &num_keys);
- ++argn;
- } else if (argv[argn][0] == '-') {
- fprintf(stderr, "Unknown argument %s\n", argv[argn]);
- return 2;
- } else {
- break;
- }
- }
-
- if (argn == argc) {
- fprintf(stderr, "Must specify package to verify\n");
- return 2;
- }
-
- if (num_keys == 0) {
- certs = (Certificate*) calloc(1, sizeof(Certificate));
- if (certs == NULL) {
- fprintf(stderr, "Failure allocating memory for default certificate\n");
- return 1;
- }
- certs->key_type = Certificate::RSA;
- certs->rsa = &test_key;
- certs->ec = NULL;
- certs->hash_len = SHA_DIGEST_SIZE;
- num_keys = 1;
- }
-
- ui = new FakeUI();
-
- MemMapping map;
- if (sysMapFile(argv[argn], &map) != 0) {
- fprintf(stderr, "failed to mmap %s: %s\n", argv[argn], strerror(errno));
- return 4;
- }
-
- int result = verify_file(map.addr, map.length, certs, num_keys);
- if (result == VERIFY_SUCCESS) {
- printf("VERIFIED\n");
- return 0;
- } else if (result == VERIFY_FAILURE) {
- printf("NOT VERIFIED\n");
- return 1;
- } else {
- printf("bad return value\n");
- return 3;
- }
-}
diff --git a/verifier_test.sh b/verifier_test.sh
deleted file mode 100755
index 4761cef..0000000
--- a/verifier_test.sh
+++ /dev/null
@@ -1,121 +0,0 @@
-#!/bin/bash
-#
-# A test suite for recovery's package signature verifier. Run in a
-# client where you have done envsetup, lunch, etc.
-#
-# TODO: find some way to get this run regularly along with the rest of
-# the tests.
-
-EMULATOR_PORT=5580
-DATA_DIR=$ANDROID_BUILD_TOP/bootable/recovery/testdata
-
-WORK_DIR=/data/local/tmp
-
-# set to 0 to use a device instead
-USE_EMULATOR=0
-
-# ------------------------
-
-if [ "$USE_EMULATOR" == 1 ]; then
- emulator -wipe-data -noaudio -no-window -port $EMULATOR_PORT &
- pid_emulator=$!
- ADB="adb -s emulator-$EMULATOR_PORT "
-else
- ADB="adb -d "
-fi
-
-echo "waiting to connect to device"
-$ADB wait-for-device
-
-# run a command on the device; exit with the exit status of the device
-# command.
-run_command() {
- $ADB shell "$@" \; echo \$? | awk '{if (b) {print a}; a=$0; b=1} END {exit a}'
-}
-
-testname() {
- echo
- echo "::: testing $1 :::"
- testname="$1"
-}
-
-fail() {
- echo
- echo FAIL: $testname
- echo
- [ "$open_pid" == "" ] || kill $open_pid
- [ "$pid_emulator" == "" ] || kill $pid_emulator
- exit 1
-}
-
-
-cleanup() {
- # not necessary if we're about to kill the emulator, but nice for
- # running on real devices or already-running emulators.
- run_command rm $WORK_DIR/verifier_test
- run_command rm $WORK_DIR/package.zip
-
- [ "$pid_emulator" == "" ] || kill $pid_emulator
-}
-
-$ADB push $ANDROID_PRODUCT_OUT/system/bin/verifier_test \
- $WORK_DIR/verifier_test
-
-expect_succeed() {
- testname "$1 (should succeed)"
- $ADB push $DATA_DIR/$1 $WORK_DIR/package.zip
- shift
- run_command $WORK_DIR/verifier_test "$@" $WORK_DIR/package.zip || fail
-}
-
-expect_fail() {
- testname "$1 (should fail)"
- $ADB push $DATA_DIR/$1 $WORK_DIR/package.zip
- shift
- run_command $WORK_DIR/verifier_test "$@" $WORK_DIR/package.zip && fail
-}
-
-# not signed at all
-expect_fail unsigned.zip
-# signed in the pre-donut way
-expect_fail jarsigned.zip
-
-# success cases
-expect_succeed otasigned.zip -e3
-expect_succeed otasigned_f4.zip -f4
-expect_succeed otasigned_sha256.zip -e3 -sha256
-expect_succeed otasigned_f4_sha256.zip -f4 -sha256
-expect_succeed otasigned_ecdsa_sha256.zip -ec -sha256
-
-# success with multiple keys
-expect_succeed otasigned.zip -f4 -e3
-expect_succeed otasigned_f4.zip -ec -f4
-expect_succeed otasigned_sha256.zip -ec -e3 -e3 -sha256
-expect_succeed otasigned_f4_sha256.zip -ec -sha256 -e3 -f4 -sha256
-expect_succeed otasigned_ecdsa_sha256.zip -f4 -sha256 -e3 -ec -sha256
-
-# verified against different key
-expect_fail otasigned.zip -f4
-expect_fail otasigned_f4.zip -e3
-expect_fail otasigned_ecdsa_sha256.zip -e3 -sha256
-
-# verified against right key but wrong hash algorithm
-expect_fail otasigned.zip -e3 -sha256
-expect_fail otasigned_f4.zip -f4 -sha256
-expect_fail otasigned_sha256.zip
-expect_fail otasigned_f4_sha256.zip -f4
-expect_fail otasigned_ecdsa_sha256.zip
-
-# various other cases
-expect_fail random.zip
-expect_fail fake-eocd.zip
-expect_fail alter-metadata.zip
-expect_fail alter-footer.zip
-
-# --------------- cleanup ----------------------
-
-cleanup
-
-echo
-echo PASS
-echo
diff --git a/wear_touch.cpp b/wear_touch.cpp
new file mode 100644
index 0000000..f22d40b
--- /dev/null
+++ b/wear_touch.cpp
@@ -0,0 +1,177 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "common.h"
+#include "wear_touch.h"
+
+#include <dirent.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+
+#include <linux/input.h>
+
+#define DEVICE_PATH "/dev/input"
+
+WearSwipeDetector::WearSwipeDetector(int low, int high, OnSwipeCallback callback, void* cookie):
+ mLowThreshold(low),
+ mHighThreshold(high),
+ mCallback(callback),
+ mCookie(cookie),
+ mCurrentSlot(-1) {
+ pthread_create(&mThread, NULL, touch_thread, this);
+}
+
+WearSwipeDetector::~WearSwipeDetector() {
+}
+
+void WearSwipeDetector::detect(int dx, int dy) {
+ enum SwipeDirection direction;
+
+ if (abs(dy) < mLowThreshold && abs(dx) > mHighThreshold) {
+ direction = dx < 0 ? LEFT : RIGHT;
+ } else if (abs(dx) < mLowThreshold && abs(dy) > mHighThreshold) {
+ direction = dy < 0 ? UP : DOWN;
+ } else {
+ LOGD("Ignore %d %d\n", dx, dy);
+ return;
+ }
+
+ LOGD("Swipe direction=%d\n", direction);
+ mCallback(mCookie, direction);
+}
+
+void WearSwipeDetector::process(struct input_event *event) {
+ if (mCurrentSlot < 0) {
+ mCallback(mCookie, UP);
+ mCurrentSlot = 0;
+ }
+
+ if (event->type == EV_ABS) {
+ if (event->code == ABS_MT_SLOT)
+ mCurrentSlot = event->value;
+
+ // Ignore other fingers
+ if (mCurrentSlot > 0) {
+ return;
+ }
+
+ switch (event->code) {
+ case ABS_MT_POSITION_X:
+ mX = event->value;
+ mFingerDown = true;
+ break;
+
+ case ABS_MT_POSITION_Y:
+ mY = event->value;
+ mFingerDown = true;
+ break;
+
+ case ABS_MT_TRACKING_ID:
+ if (event->value < 0)
+ mFingerDown = false;
+ break;
+ }
+ } else if (event->type == EV_SYN) {
+ if (event->code == SYN_REPORT) {
+ if (mFingerDown && !mSwiping) {
+ mStartX = mX;
+ mStartY = mY;
+ mSwiping = true;
+ } else if (!mFingerDown && mSwiping) {
+ mSwiping = false;
+ detect(mX - mStartX, mY - mStartY);
+ }
+ }
+ }
+}
+
+void WearSwipeDetector::run() {
+ int fd = findDevice(DEVICE_PATH);
+ if (fd < 0) {
+ LOGE("no input devices found\n");
+ return;
+ }
+
+ struct input_event event;
+ while (read(fd, &event, sizeof(event)) == sizeof(event)) {
+ process(&event);
+ }
+
+ close(fd);
+}
+
+void* WearSwipeDetector::touch_thread(void* cookie) {
+ ((WearSwipeDetector*)cookie)->run();
+ return NULL;
+}
+
+#define test_bit(bit, array) (array[bit/8] & (1<<(bit%8)))
+
+int WearSwipeDetector::openDevice(const char *device) {
+ int fd = open(device, O_RDONLY);
+ if (fd < 0) {
+ LOGE("could not open %s, %s\n", device, strerror(errno));
+ return false;
+ }
+
+ char name[80];
+ name[sizeof(name) - 1] = '\0';
+ if (ioctl(fd, EVIOCGNAME(sizeof(name) - 1), &name) < 1) {
+ LOGE("could not get device name for %s, %s\n", device, strerror(errno));
+ name[0] = '\0';
+ }
+
+ uint8_t bits[512];
+ memset(bits, 0, sizeof(bits));
+ int ret = ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(bits)), bits);
+ if (ret > 0) {
+ if (test_bit(ABS_MT_POSITION_X, bits) && test_bit(ABS_MT_POSITION_Y, bits)) {
+ LOGD("Found %s %s\n", device, name);
+ return fd;
+ }
+ }
+
+ close(fd);
+ return -1;
+}
+
+int WearSwipeDetector::findDevice(const char* path) {
+ DIR* dir = opendir(path);
+ if (dir == NULL) {
+ LOGE("Could not open directory %s", path);
+ return false;
+ }
+
+ struct dirent* entry;
+ int ret = -1;
+ while (ret < 0 && (entry = readdir(dir)) != NULL) {
+ if (entry->d_name[0] == '.') continue;
+
+ char device[PATH_MAX];
+ device[PATH_MAX-1] = '\0';
+ snprintf(device, PATH_MAX-1, "%s/%s", path, entry->d_name);
+
+ ret = openDevice(device);
+ }
+
+ closedir(dir);
+ return ret;
+}
+
diff --git a/wear_touch.h b/wear_touch.h
new file mode 100644
index 0000000..9a1d315
--- /dev/null
+++ b/wear_touch.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __WEAR_TOUCH_H
+#define __WEAR_TOUCH_H
+
+#include <pthread.h>
+
+class WearSwipeDetector {
+
+public:
+ enum SwipeDirection { UP, DOWN, RIGHT, LEFT };
+ typedef void (*OnSwipeCallback)(void* cookie, enum SwipeDirection direction);
+
+ WearSwipeDetector(int low, int high, OnSwipeCallback cb, void* cookie);
+ ~WearSwipeDetector();
+
+private:
+ void run();
+ void process(struct input_event *event);
+ void detect(int dx, int dy);
+
+ pthread_t mThread;
+ static void* touch_thread(void* cookie);
+
+ int findDevice(const char* path);
+ int openDevice(const char* device);
+
+ int mLowThreshold;
+ int mHighThreshold;
+
+ OnSwipeCallback mCallback;
+ void *mCookie;
+
+ int mX;
+ int mY;
+ int mStartX;
+ int mStartY;
+
+ int mCurrentSlot;
+ bool mFingerDown;
+ bool mSwiping;
+};
+
+#endif // __WEAR_TOUCH_H
diff --git a/wear_ui.cpp b/wear_ui.cpp
index ebe0dfe..b437fd0 100644
--- a/wear_ui.cpp
+++ b/wear_ui.cpp
@@ -16,9 +16,7 @@
#include <errno.h>
#include <fcntl.h>
-#include <pthread.h>
#include <stdarg.h>
-#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
@@ -31,14 +29,10 @@
#include "common.h"
#include "device.h"
-#include "minui/minui.h"
#include "wear_ui.h"
-#include "ui.h"
#include "cutils/properties.h"
-#include "base/strings.h"
-
-static int char_width;
-static int char_height;
+#include "android-base/strings.h"
+#include "android-base/stringprintf.h"
// There's only (at most) one of these objects, and global callbacks
// (for pthread_create, and the input event system) need to find it,
@@ -61,11 +55,10 @@
menu_unusable_rows(0),
intro_frames(22),
loop_frames(60),
+ animation_fps(30),
currentIcon(NONE),
intro_done(false),
current_frame(0),
- animation_fps(30),
- rtl_locale(false),
progressBarType(EMPTY),
progressScopeStart(0),
progressScopeSize(0),
@@ -84,7 +77,6 @@
for (size_t i = 0; i < 5; i++)
backgroundIcon[i] = NULL;
- pthread_mutex_init(&updateMutex, NULL);
self = this;
}
@@ -148,41 +140,6 @@
}
}
-void WearRecoveryUI::SetColor(UIElement e) {
- switch (e) {
- case HEADER:
- gr_color(247, 0, 6, 255);
- break;
- case MENU:
- case MENU_SEL_BG:
- gr_color(0, 106, 157, 255);
- break;
- case MENU_SEL_FG:
- gr_color(255, 255, 255, 255);
- break;
- case LOG:
- gr_color(249, 194, 0, 255);
- break;
- case TEXT_FILL:
- gr_color(0, 0, 0, 160);
- break;
- default:
- gr_color(255, 255, 255, 255);
- break;
- }
-}
-
-void WearRecoveryUI::DrawTextLine(int x, int* y, const char* line, bool bold) {
- gr_text(x, *y, line, bold);
- *y += char_height + 4;
-}
-
-void WearRecoveryUI::DrawTextLines(int x, int* y, const char* const* lines) {
- for (size_t i = 0; lines != nullptr && lines[i] != nullptr; ++i) {
- DrawTextLine(x, y, lines[i], false);
- }
-}
-
static const char* HEADERS[] = {
"Swipe up/down to move.",
"Swipe left/right to select.",
@@ -221,7 +178,7 @@
if (menu_items > menu_end - menu_start) {
sprintf(cur_selection_str, "Current item: %d/%d", menu_sel + 1, menu_items);
gr_text(x+4, y, cur_selection_str, 1);
- y += char_height+4;
+ y += char_height_+4;
}
// Menu begins here
@@ -232,7 +189,7 @@
if (i == menu_sel) {
// draw the highlight bar
SetColor(MENU_SEL_BG);
- gr_fill(x, y-2, gr_fb_width()-x, y+char_height+2);
+ gr_fill(x, y-2, gr_fb_width()-x, y+char_height_+2);
// white text of selected item
SetColor(MENU_SEL_FG);
if (menu[i][0]) gr_text(x+4, y, menu[i], 1);
@@ -240,7 +197,7 @@
} else {
if (menu[i][0]) gr_text(x+4, y, menu[i], 0);
}
- y += char_height+4;
+ y += char_height_+4;
}
SetColor(MENU);
y += 4;
@@ -256,9 +213,9 @@
int ty;
int row = (text_top+text_rows-1) % text_rows;
size_t count = 0;
- for (int ty = gr_fb_height() - char_height - outer_height;
+ for (int ty = gr_fb_height() - char_height_ - outer_height;
ty > y+2 && count < text_rows;
- ty -= char_height, ++count) {
+ ty -= char_height_, ++count) {
gr_text(x+4, ty, text[row], 0);
--row;
if (row < 0) row = text_rows-1;
@@ -324,26 +281,19 @@
}
}
-void WearRecoveryUI::LoadBitmap(const char* filename, GRSurface** surface) {
- int result = res_create_display_surface(filename, surface);
- if (result < 0) {
- LOGE("missing bitmap %s\n(Code %d)\n", filename, result);
- }
-}
-
void WearRecoveryUI::Init()
{
gr_init();
- gr_font_size(&char_width, &char_height);
+ gr_font_size(&char_width_, &char_height_);
text_col = text_row = 0;
- text_rows = (gr_fb_height()) / char_height;
- visible_text_rows = (gr_fb_height() - (outer_height * 2)) / char_height;
+ text_rows = (gr_fb_height()) / char_height_;
+ visible_text_rows = (gr_fb_height() - (outer_height * 2)) / char_height_;
if (text_rows > kMaxRows) text_rows = kMaxRows;
text_top = 1;
- text_cols = (gr_fb_width() - (outer_width * 2)) / char_width;
+ text_cols = (gr_fb_width() - (outer_width * 2)) / char_width_;
if (text_cols > kMaxCols - 1) text_cols = kMaxCols - 1;
LoadBitmap("icon_installing", &backgroundIcon[INSTALLING_UPDATE]);
@@ -369,29 +319,6 @@
RecoveryUI::Init();
}
-void WearRecoveryUI::SetLocale(const char* locale) {
- if (locale) {
- char* lang = strdup(locale);
- for (char* p = lang; *p; ++p) {
- if (*p == '_') {
- *p = '\0';
- break;
- }
- }
-
- // A bit cheesy: keep an explicit list of supported languages
- // that are RTL.
- if (strcmp(lang, "ar") == 0 || // Arabic
- strcmp(lang, "fa") == 0 || // Persian (Farsi)
- strcmp(lang, "he") == 0 || // Hebrew (new language code)
- strcmp(lang, "iw") == 0 || // Hebrew (old language code)
- strcmp(lang, "ur") == 0) { // Urdu
- rtl_locale = true;
- }
- free(lang);
- }
-}
-
void WearRecoveryUI::SetBackground(Icon icon)
{
pthread_mutex_lock(&updateMutex);
@@ -653,3 +580,35 @@
}
pthread_mutex_unlock(&updateMutex);
}
+
+void WearRecoveryUI::PrintOnScreenOnly(const char *fmt, ...) {
+ va_list ap;
+ va_start(ap, fmt);
+ PrintV(fmt, false, ap);
+ va_end(ap);
+}
+
+void WearRecoveryUI::PrintV(const char* fmt, bool copy_to_stdout, va_list ap) {
+ std::string str;
+ android::base::StringAppendV(&str, fmt, ap);
+
+ if (copy_to_stdout) {
+ fputs(str.c_str(), stdout);
+ }
+
+ pthread_mutex_lock(&updateMutex);
+ if (text_rows > 0 && text_cols > 0) {
+ for (const char* ptr = str.c_str(); *ptr != '\0'; ++ptr) {
+ if (*ptr == '\n' || text_col >= text_cols) {
+ text[text_row][text_col] = '\0';
+ text_col = 0;
+ text_row = (text_row + 1) % text_rows;
+ if (text_row == text_top) text_top = (text_top + 1) % text_rows;
+ }
+ if (*ptr != '\n') text[text_row][text_col++] = *ptr;
+ }
+ text[text_row][text_col] = '\0';
+ update_screen_locked();
+ }
+ pthread_mutex_unlock(&updateMutex);
+}
diff --git a/wear_ui.h b/wear_ui.h
index 259a63e..e2d6fe0 100644
--- a/wear_ui.h
+++ b/wear_ui.h
@@ -17,19 +17,13 @@
#ifndef RECOVERY_WEAR_UI_H
#define RECOVERY_WEAR_UI_H
-#include <pthread.h>
-#include <stdio.h>
+#include "screen_ui.h"
-#include "ui.h"
-#include "minui/minui.h"
-
-class WearRecoveryUI : public RecoveryUI {
+class WearRecoveryUI : public ScreenRecoveryUI {
public:
WearRecoveryUI();
void Init();
- void SetLocale(const char* locale);
-
// overall recovery state ("background image")
void SetBackground(Icon icon);
@@ -47,6 +41,7 @@
// printing messages
void Print(const char* fmt, ...);
+ void PrintOnScreenOnly(const char* fmt, ...) __printflike(2, 3);
void ShowFile(const char* filename);
void ShowFile(FILE* fp);
@@ -58,9 +53,6 @@
void Redraw();
- enum UIElement { HEADER, MENU, MENU_SEL_BG, MENU_SEL_FG, LOG, TEXT_FILL };
- virtual void SetColor(UIElement e);
-
protected:
int progress_bar_height, progress_bar_width;
@@ -79,7 +71,7 @@
int intro_frames;
int loop_frames;
- // animation's fps (default: 30)
+ // Number of frames per sec (default: 30) for both of intro and loop.
int animation_fps;
private:
@@ -89,9 +81,6 @@
int current_frame;
- bool rtl_locale;
-
- pthread_mutex_t updateMutex;
GRSurface* backgroundIcon[5];
GRSurface* *introFrames;
GRSurface* *loopFrames;
@@ -128,11 +117,9 @@
void update_screen_locked();
static void* progress_thread(void* cookie);
void progress_loop();
- void LoadBitmap(const char* filename, GRSurface** surface);
void PutChar(char);
void ClearText();
- void DrawTextLine(int x, int* y, const char* line, bool bold);
- void DrawTextLines(int x, int* y, const char* const* lines);
+ void PrintV(const char*, bool, va_list);
};
#endif // RECOVERY_WEAR_UI_H
