Make it backwards compatible with 4.4
Change-Id: I668604cddc8e8afbf78709f3f872bea4e9f4aa06
diff --git a/Android.mk b/Android.mk
index 1e2141d..a6fe2a4 100644
--- a/Android.mk
+++ b/Android.mk
@@ -116,12 +116,18 @@
LOCAL_STATIC_LIBRARIES += libguitwrp
LOCAL_SHARED_LIBRARIES += libaosprecovery libz libc libcutils libstdc++ libtar libblkid libminuitwrp libminadbd libmtdutils libminzip libtwadbbu
-LOCAL_SHARED_LIBRARIES += libcrecovery libbase libcrypto
+LOCAL_SHARED_LIBRARIES += libcrecovery
ifeq ($(shell test $(PLATFORM_SDK_VERSION) -lt 23; echo $$?),0)
- LOCAL_SHARED_LIBRARIES += libstlport
+ LOCAL_SHARED_LIBRARIES += libstlport libmincrypttwrp
+ LOCAL_C_INCLUDES += $(LOCAL_PATH)/libmincrypt/includes
+ LOCAL_CFLAGS += -DUSE_OLD_VERIFIER
else
- LOCAL_SHARED_LIBRARIES += libc++
+ LOCAL_SHARED_LIBRARIES += libc++ libcrypto
+endif
+
+ifeq ($(shell test $(PLATFORM_SDK_VERSION) -ge 24; echo $$?),0)
+ LOCAL_SHARED_LIBRARIES += libbase
endif
ifneq ($(wildcard system/core/libsparse/Android.mk),)
@@ -340,13 +346,15 @@
mke2fs.conf \
pigz \
teamwin \
+ toolbox_symlinks \
twrp \
unpigz_symlink \
fsck.fat \
fatlabel \
mkfs.fat \
permissive.sh \
- simg2img_twrp
+ simg2img_twrp \
+ init.recovery.service.rc
ifneq ($(TARGET_ARCH), arm64)
ifneq ($(TARGET_ARCH), x86_64)
@@ -503,23 +511,27 @@
# 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 $(BUILD_EXECUTABLE)
+ifeq ($(shell test $(PLATFORM_SDK_VERSION) -ge 24; echo $$?),0)
+ include $(CLEAR_VARS)
+ LOCAL_SRC_FILES := recovery-persist.cpp
+ LOCAL_MODULE := recovery-persist
+ LOCAL_SHARED_LIBRARIES := liblog libbase
+ LOCAL_CFLAGS := -Werror
+ LOCAL_INIT_RC := recovery-persist.rc
+ include $(BUILD_EXECUTABLE)
+endif
# recovery-refresh (system partition dynamic executable run at init)
# ===============================
-include $(CLEAR_VARS)
-LOCAL_SRC_FILES := recovery-refresh.cpp
-LOCAL_MODULE := recovery-refresh
-LOCAL_SHARED_LIBRARIES := liblog
-LOCAL_CFLAGS := -Werror
-LOCAL_INIT_RC := recovery-refresh.rc
-include $(BUILD_EXECUTABLE)
+ifeq ($(shell test $(PLATFORM_SDK_VERSION) -ge 24; echo $$?),0)
+ 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 $(BUILD_EXECUTABLE)
+endif
# shared libfusesideload
# ===============================
@@ -531,7 +543,14 @@
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE := libfusesideload
-LOCAL_SHARED_LIBRARIES := libcutils libc libcrypto
+LOCAL_SHARED_LIBRARIES := libcutils libc
+ifeq ($(shell test $(PLATFORM_SDK_VERSION) -lt 22; echo $$?),0)
+ LOCAL_C_INCLUDES := $(LOCAL_PATH)/libmincrypt/includes
+ LOCAL_SHARED_LIBRARIES += libmincrypttwrp
+ LOCAL_CFLAGS += -DUSE_MINCRYPT
+else
+ LOCAL_SHARED_LIBRARIES += libcrypto
+endif
include $(BUILD_SHARED_LIBRARY)
# shared libaosprecovery for Apache code
@@ -540,8 +559,18 @@
LOCAL_MODULE := libaosprecovery
LOCAL_MODULE_TAGS := eng optional
-LOCAL_SRC_FILES := adb_install.cpp asn1_decoder.cpp bootloader.cpp legacy_property_service.c verifier.cpp set_metadata.c tw_atomic.cpp
-LOCAL_SHARED_LIBRARIES += libc liblog libcutils libmtdutils libfusesideload libselinux libcrypto
+LOCAL_CFLAGS := -std=gnu++0x
+LOCAL_SRC_FILES := adb_install.cpp asn1_decoder.cpp bootloader.cpp legacy_property_service.cpp set_metadata.cpp tw_atomic.cpp
+LOCAL_SHARED_LIBRARIES += libc liblog libcutils libmtdutils libfusesideload libselinux
+ifeq ($(shell test $(PLATFORM_SDK_VERSION) -lt 23; echo $$?),0)
+ LOCAL_SHARED_LIBRARIES += libstdc++ libstlport libmincrypttwrp
+ LOCAL_C_INCLUDES := bionic external/stlport/stlport $(LOCAL_PATH)/libmincrypt/includes
+ LOCAL_SRC_FILES += oldverifier/verifier.cpp
+ LOCAL_CFLAGS += -DUSE_OLD_VERIFIER
+else
+ LOCAL_SHARED_LIBRARIES += libc++ libcrypto
+ LOCAL_SRC_FILES += verifier.cpp
+endif
ifneq ($(BOARD_RECOVERY_BLDRMSG_OFFSET),)
LOCAL_CFLAGS += -DBOARD_RECOVERY_BLDRMSG_OFFSET=$(BOARD_RECOVERY_BLDRMSG_OFFSET)
@@ -598,6 +627,7 @@
$(commands_recovery_local_path)/libblkid/Android.mk \
$(commands_recovery_local_path)/minuitwrp/Android.mk \
$(commands_recovery_local_path)/openaes/Android.mk \
+ $(commands_recovery_local_path)/toolbox/Android.mk \
$(commands_recovery_local_path)/twrpTarMain/Android.mk \
$(commands_recovery_local_path)/mtp/Android.mk \
$(commands_recovery_local_path)/minzip/Android.mk \
@@ -608,6 +638,10 @@
$(commands_recovery_local_path)/adbbu/Android.mk \
$(commands_recovery_local_path)/libpixelflinger/Android.mk
+ifeq ($(shell test $(PLATFORM_SDK_VERSION) -lt 23; echo $$?),0)
+ include $(commands_recovery_local_path)/libmincrypt/Android.mk
+endif
+
ifeq ($(TW_INCLUDE_CRYPTO), true)
include $(commands_recovery_local_path)/crypto/lollipop/Android.mk
include $(commands_recovery_local_path)/crypto/scrypt/Android.mk
diff --git a/adb_install.cpp b/adb_install.cpp
index d9936f2..a4655dc 100644
--- a/adb_install.cpp
+++ b/adb_install.cpp
@@ -31,7 +31,11 @@
#include "adb_install.h"
#include "minadbd/fuse_adb_provider.h"
#include "fuse_sideload.h"
+#ifdef USE_OLD_VERIFIER
+#include "oldverifier/verifier.h"
+#else
#include "verifier.h"
+#endif
static RecoveryUI* ui = NULL;
diff --git a/bootloader.cpp b/bootloader.cpp
index 13bc391..90b8998 100644
--- a/bootloader.cpp
+++ b/bootloader.cpp
@@ -32,7 +32,7 @@
#include "common.h"
#include "mtdutils/mtdutils.h"
//#include "roots.h"
-#include "unique_fd.h"
+//#include "unique_fd.h"
// fake Volume struct that allows us to use the AOSP code easily
struct Volume
@@ -232,33 +232,36 @@
static int set_bootloader_message_block(const bootloader_message* in,
const Volume* v) {
wait_for_device(v->blk_device);
- unique_fd fd(open(v->blk_device, O_WRONLY | O_SYNC));
- if (fd.get() == -1) {
+ int fd = open(v->blk_device, O_WRONLY | O_SYNC);
+ if (fd == -1) {
LOGE("failed to open \"%s\": %s\n", v->blk_device, strerror(errno));
return -1;
}
#ifdef BOARD_RECOVERY_BLDRMSG_OFFSET
- lseek(fd.get(), BOARD_RECOVERY_BLDRMSG_OFFSET, SEEK_SET);
+ lseek(fd, BOARD_RECOVERY_BLDRMSG_OFFSET, SEEK_SET);
#endif
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));
+ ssize_t wrote = TEMP_FAILURE_RETRY(write(fd, start + written, total - written));
if (wrote == -1) {
- LOGE("failed to write %" PRId64 " bytes: %s\n",
- static_cast<off64_t>(written), strerror(errno));
+ LOGE("failed to write some bytes: %s\n",
+ strerror(errno));
+ close(fd);
return -1;
}
written += wrote;
}
- if (fsync(fd.get()) == -1) {
+ if (fsync(fd) == -1) {
LOGE("failed to fsync \"%s\": %s\n", v->blk_device, strerror(errno));
+ close(fd);
return -1;
}
+ close(fd);
return 0;
}
diff --git a/etc/Android.mk b/etc/Android.mk
index 5e612b6..4614577 100644
--- a/etc/Android.mk
+++ b/etc/Android.mk
@@ -31,6 +31,26 @@
endif
+ifeq ($(shell test $(PLATFORM_SDK_VERSION) -ge 22; echo $$?),0)
+ include $(CLEAR_VARS)
+ LOCAL_MODULE := init.recovery.service.rc
+ LOCAL_MODULE_TAGS := eng
+ LOCAL_MODULE_CLASS := RECOVERY_EXECUTABLES
+ LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
+
+ LOCAL_SRC_FILES := init.recovery.servicenew.rc
+ include $(BUILD_PREBUILT)
+else
+ include $(CLEAR_VARS)
+ LOCAL_MODULE := init.recovery.service.rc
+ LOCAL_MODULE_TAGS := eng
+ LOCAL_MODULE_CLASS := RECOVERY_EXECUTABLES
+ LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
+
+ LOCAL_SRC_FILES := init.recovery.serviceold.rc
+ include $(BUILD_PREBUILT)
+endif
+
ifeq ($(TWRP_INCLUDE_LOGCAT), true)
ifeq ($(TARGET_USES_LOGD), true)
diff --git a/etc/init.rc b/etc/init.rc
index 907436c..a62b68d 100644
--- a/etc/init.rc
+++ b/etc/init.rc
@@ -1,5 +1,6 @@
import /init.recovery.logd.rc
import /init.recovery.usb.rc
+import /init.recovery.service.rc
import /init.recovery.${ro.hardware}.rc
on early-init
@@ -109,9 +110,6 @@
critical
seclabel u:r:healthd:s0
-service recovery /sbin/recovery
- seclabel u:r:recovery:s0
-
service adbd /sbin/adbd --root_seclabel=u:r:su:s0 --device_banner=recovery
disabled
socket adbd stream 660 system system
diff --git a/etc/init.recovery.servicenew.rc b/etc/init.recovery.servicenew.rc
new file mode 100644
index 0000000..bb2853c
--- /dev/null
+++ b/etc/init.recovery.servicenew.rc
@@ -0,0 +1,5 @@
+on boot
+
+# For starting recovery on 5.0 and newer
+service recovery /sbin/recovery
+ seclabel u:r:recovery:s0
diff --git a/etc/init.recovery.serviceold.rc b/etc/init.recovery.serviceold.rc
new file mode 100644
index 0000000..892b226
--- /dev/null
+++ b/etc/init.recovery.serviceold.rc
@@ -0,0 +1,4 @@
+on boot
+
+# For starting recovery on 4.4 and older
+service recovery /sbin/recovery
diff --git a/fuse_sideload.cpp b/fuse_sideload.cpp
index 66dc4be..f57d479 100644
--- a/fuse_sideload.cpp
+++ b/fuse_sideload.cpp
@@ -61,7 +61,12 @@
#include <sys/uio.h>
#include <unistd.h>
+#ifdef USE_MINCRYPT
+#include "mincrypt/sha256.h"
+#define SHA256_DIGEST_LENGTH SHA256_DIGEST_SIZE
+#else
#include <openssl/sha.h>
+#endif
#include "fuse_sideload.h"
@@ -275,7 +280,11 @@
// - Otherwise, return -EINVAL for the read.
uint8_t hash[SHA256_DIGEST_LENGTH];
+#ifdef USE_MINCRYPT
+ SHA256_hash(fd->block_data, fd->block_size, hash);
+#else
SHA256(fd->block_data, fd->block_size, hash);
+#endif
uint8_t* blockhash = fd->hashes + block * SHA256_DIGEST_LENGTH;
if (memcmp(hash, blockhash, SHA256_DIGEST_LENGTH) == 0) {
return 0;
@@ -527,3 +536,9 @@
return result;
}
+
+extern "C" int run_old_fuse_sideload(struct provider_vtab* vtab, void* cookie,
+ uint64_t file_size, uint32_t block_size)
+{
+ return run_fuse_sideload(vtab, cookie, file_size, block_size);
+}
diff --git a/fuse_sideload.h b/fuse_sideload.h
index c0b16ef..2a8ebfc 100644
--- a/fuse_sideload.h
+++ b/fuse_sideload.h
@@ -35,4 +35,13 @@
int run_fuse_sideload(struct provider_vtab* vtab, void* cookie,
uint64_t file_size, uint32_t block_size);
+#ifdef __cplusplus
+extern "C" {
+#endif
+int run_old_fuse_sideload(struct provider_vtab* vtab, void* cookie,
+ uint64_t file_size, uint32_t block_size);
+#ifdef __cplusplus
+}
+#endif
+
#endif
diff --git a/gui/action.cpp b/gui/action.cpp
index 328fc2c..073f1a3 100644
--- a/gui/action.cpp
+++ b/gui/action.cpp
@@ -50,8 +50,8 @@
#include "../twinstall.h"
#include "cutils/properties.h"
#include "../adb_install.h"
-#include "../set_metadata.h"
};
+#include "../set_metadata.h"
#include "../minuitwrp/minui.h"
#include "rapidxml.hpp"
diff --git a/legacy_property_service.c b/legacy_property_service.cpp
similarity index 96%
rename from legacy_property_service.c
rename to legacy_property_service.cpp
index 490a245..90a0d47 100644
--- a/legacy_property_service.c
+++ b/legacy_property_service.cpp
@@ -36,6 +36,10 @@
//#include <sys/atomics.h>
#include "legacy_property_service.h"
+#ifndef INT32_MAX
+#define INT32_MAX (2147483647)
+#endif
+
static int persistent_properties_loaded = 0;
static int property_area_inited = 0;
@@ -108,9 +112,9 @@
fcntl(pa_workspace.fd, F_SETFD, FD_CLOEXEC);
- pa_info_array = (void*) (((char*) pa_workspace.data) + PA_INFO_START);
+ pa_info_array = (prop_info*) (((char*) pa_workspace.data) + PA_INFO_START);
- pa = pa_workspace.data;
+ pa = (prop_area*)(pa_workspace.data);
memset(pa, 0, PA_SIZE);
pa->magic = PROP_AREA_MAGIC;
pa->version = PROP_AREA_VERSION;
diff --git a/minadbd.old/fuse_adb_provider.c b/minadbd.old/fuse_adb_provider.c
index f80533a..18e9906 100644
--- a/minadbd.old/fuse_adb_provider.c
+++ b/minadbd.old/fuse_adb_provider.c
@@ -63,5 +63,5 @@
vtab.read_block = read_block_adb;
vtab.close = close_adb;
- return run_fuse_sideload(&vtab, &ad, file_size, block_size);
+ return run_old_fuse_sideload(&vtab, &ad, file_size, block_size);
}
diff --git a/oldverifier/verifier.cpp b/oldverifier/verifier.cpp
new file mode 100644
index 0000000..98c7337
--- /dev/null
+++ b/oldverifier/verifier.cpp
@@ -0,0 +1,471 @@
+/*
+ * 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 "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>
+
+//extern RecoveryUI* ui;
+
+#define PUBLIC_KEYS_FILE "/res/keys"
+
+/*
+ * Simple version of PKCS#7 SignedData extraction. This extracts the
+ * signature OCTET STRING to be used for signature verification.
+ *
+ * For full details, see http://www.ietf.org/rfc/rfc3852.txt
+ *
+ * The PKCS#7 structure looks like:
+ *
+ * SEQUENCE (ContentInfo)
+ * OID (ContentType)
+ * [0] (content)
+ * SEQUENCE (SignedData)
+ * INTEGER (version CMSVersion)
+ * SET (DigestAlgorithmIdentifiers)
+ * SEQUENCE (EncapsulatedContentInfo)
+ * [0] (CertificateSet OPTIONAL)
+ * [1] (RevocationInfoChoices OPTIONAL)
+ * SET (SignerInfos)
+ * SEQUENCE (SignerInfo)
+ * INTEGER (CMSVersion)
+ * SEQUENCE (SignerIdentifier)
+ * SEQUENCE (DigestAlgorithmIdentifier)
+ * SEQUENCE (SignatureAlgorithmIdentifier)
+ * OCTET STRING (SignatureValue)
+ */
+static bool read_pkcs7(uint8_t* pkcs7_der, size_t pkcs7_der_len, uint8_t** sig_der,
+ size_t* sig_der_length) {
+ asn1_context_t* ctx = asn1_context_new(pkcs7_der, pkcs7_der_len);
+ if (ctx == NULL) {
+ return false;
+ }
+
+ asn1_context_t* pkcs7_seq = asn1_sequence_get(ctx);
+ if (pkcs7_seq != NULL && asn1_sequence_next(pkcs7_seq)) {
+ asn1_context_t *signed_data_app = asn1_constructed_get(pkcs7_seq);
+ if (signed_data_app != NULL) {
+ asn1_context_t* signed_data_seq = asn1_sequence_get(signed_data_app);
+ if (signed_data_seq != NULL
+ && asn1_sequence_next(signed_data_seq)
+ && asn1_sequence_next(signed_data_seq)
+ && asn1_sequence_next(signed_data_seq)
+ && asn1_constructed_skip_all(signed_data_seq)) {
+ asn1_context_t *sig_set = asn1_set_get(signed_data_seq);
+ if (sig_set != NULL) {
+ asn1_context_t* sig_seq = asn1_sequence_get(sig_set);
+ if (sig_seq != NULL
+ && asn1_sequence_next(sig_seq)
+ && asn1_sequence_next(sig_seq)
+ && asn1_sequence_next(sig_seq)
+ && asn1_sequence_next(sig_seq)) {
+ uint8_t* sig_der_ptr;
+ if (asn1_octet_string_get(sig_seq, &sig_der_ptr, sig_der_length)) {
+ *sig_der = (uint8_t*) malloc(*sig_der_length);
+ if (*sig_der != NULL) {
+ memcpy(*sig_der, sig_der_ptr, *sig_der_length);
+ }
+ }
+ asn1_context_free(sig_seq);
+ }
+ asn1_context_free(sig_set);
+ }
+ asn1_context_free(signed_data_seq);
+ }
+ asn1_context_free(signed_data_app);
+ }
+ asn1_context_free(pkcs7_seq);
+ }
+ asn1_context_free(ctx);
+
+ return *sig_der != NULL;
+}
+
+// Look for an RSA signature embedded in the .ZIP file comment given
+// the path to the zip. Verify it matches one of the given public
+// keys.
+//
+// Return VERIFY_SUCCESS, VERIFY_FAILURE (if any error is encountered
+// or no key matches the signature).
+int verify_file(unsigned char* addr, size_t length) {
+ //ui->SetProgress(0.0);
+
+ int numKeys;
+ Certificate* pKeys = load_keys(PUBLIC_KEYS_FILE, &numKeys);
+ if (pKeys == NULL) {
+ LOGE("Failed to load keys\n");
+ return INSTALL_CORRUPT;
+ }
+ LOGI("%d key(s) loaded from %s\n", numKeys, PUBLIC_KEYS_FILE);
+
+ // An archive with a whole-file signature will end in six bytes:
+ //
+ // (2-byte signature start) $ff $ff (2-byte comment size)
+ //
+ // (As far as the ZIP format is concerned, these are part of the
+ // archive comment.) We start by reading this footer, this tells
+ // us how far back from the end we have to start reading to find
+ // the whole comment.
+
+#define FOOTER_SIZE 6
+
+ if (length < FOOTER_SIZE) {
+ LOGE("not big enough to contain footer\n");
+ return VERIFY_FAILURE;
+ }
+
+ unsigned char* footer = addr + length - FOOTER_SIZE;
+
+ if (footer[2] != 0xff || footer[3] != 0xff) {
+ LOGE("footer is wrong\n");
+ return VERIFY_FAILURE;
+ }
+
+ size_t comment_size = footer[4] + (footer[5] << 8);
+ size_t signature_start = footer[0] + (footer[1] << 8);
+ LOGI("comment is %zu bytes; signature %zu bytes from end\n",
+ comment_size, signature_start);
+
+ if (signature_start <= FOOTER_SIZE) {
+ LOGE("Signature start is in the footer");
+ return VERIFY_FAILURE;
+ }
+
+#define EOCD_HEADER_SIZE 22
+
+ // The end-of-central-directory record is 22 bytes plus any
+ // comment length.
+ size_t eocd_size = comment_size + EOCD_HEADER_SIZE;
+
+ if (length < eocd_size) {
+ LOGE("not big enough to contain EOCD\n");
+ return VERIFY_FAILURE;
+ }
+
+ // Determine how much of the file is covered by the signature.
+ // This is everything except the signature data and length, which
+ // includes all of the EOCD except for the comment length field (2
+ // bytes) and the comment data.
+ size_t signed_len = length - eocd_size + EOCD_HEADER_SIZE - 2;
+
+ unsigned char* eocd = addr + length - eocd_size;
+
+ // If this is really is the EOCD record, it will begin with the
+ // magic number $50 $4b $05 $06.
+ if (eocd[0] != 0x50 || eocd[1] != 0x4b ||
+ eocd[2] != 0x05 || eocd[3] != 0x06) {
+ LOGE("signature length doesn't match EOCD marker\n");
+ return VERIFY_FAILURE;
+ }
+
+ size_t i;
+ for (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
+ // the real one, minzip will find the later (wrong) one,
+ // which could be exploitable. Fail verification if
+ // this sequence occurs anywhere after the real one.
+ LOGE("EOCD marker occurs after start of EOCD\n");
+ return VERIFY_FAILURE;
+ }
+ }
+
+#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;
+ }
+ }
+
+ SHA_CTX sha1_ctx;
+ SHA256_CTX sha256_ctx;
+ SHA_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;
+
+ if (need_sha1) SHA_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;
+ if (f > frac + 0.02 || size == so_far) {
+ //ui->SetProgress(f);
+ frac = f;
+ }
+ }
+
+ const uint8_t* sha1 = SHA_final(&sha1_ctx);
+ const uint8_t* sha256 = SHA256_final(&sha256_ctx);
+
+ uint8_t* sig_der = NULL;
+ size_t sig_der_length = 0;
+
+ size_t signature_size = signature_start - FOOTER_SIZE;
+ if (!read_pkcs7(eocd + eocd_size - signature_start, signature_size, &sig_der,
+ &sig_der_length)) {
+ LOGE("Could not find signature DER block\n");
+ return VERIFY_FAILURE;
+ }
+
+ /*
+ * Check to make sure at least one of the keys matches the signature. Since
+ * any key can match, we need to try each before determining a verification
+ * failure has happened.
+ */
+ for (i = 0; i < numKeys; ++i) {
+ 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;
+ }
+
+ // 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)) {
+ LOGI("failed to verify against RSA key %zu\n", i);
+ continue;
+ }
+
+ 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)) {
+ LOGI("failed to verify against EC key %zu\n", i);
+ continue;
+ }
+
+ LOGI("whole-file signature verified against EC key %zu\n", i);
+ free(sig_der);
+ return VERIFY_SUCCESS;
+ } else {
+ LOGI("Unknown key type %d\n", pKeys[i].key_type);
+ }
+ LOGI("i: %i, eocd_size: %i, RSANUMBYTES: %i\n", i, eocd_size, RSANUMBYTES);
+ }
+ free(sig_der);
+ LOGE("failed to verify whole-file signature\n");
+ return VERIFY_FAILURE;
+}
+
+// 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:
+//
+// "{64,0xc926ad21,{1795090719,...,-695002876},{-857949815,...,1175080310}}"
+//
+// For key versions newer than the original 2048-bit e=3 keys
+// supported by Android, the string is preceded by a version
+// identifier, eg:
+//
+// "v2 {64,0xc926ad21,{1795090719,...,-695002876},{-857949815,...,1175080310}}"
+//
+// (Note that the braces and commas in this example are actual
+// characters the parser expects to find in the file; the ellipses
+// indicate more numbers omitted from this example.)
+//
+// The file may contain multiple keys in this format, separated by
+// commas. The last key must not be followed by a comma.
+//
+// A Certificate is a pair of an RSAPublicKey and a particular hash
+// (we support SHA-1 and SHA-256; we store the hash length to signify
+// which is being used). The hash used is implied by the version number.
+//
+// 1: 2048-bit RSA key with e=3 and SHA-1 hash
+// 2: 2048-bit RSA key with e=65537 and SHA-1 hash
+// 3: 2048-bit RSA key with e=3 and SHA-256 hash
+// 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) {
+ LOGE("opening %s: %s\n", filename, strerror(errno));
+ goto exit;
+ }
+
+ {
+ 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));
+
+ 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;
+ }
+ }
+
+ 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;
+ }
+
+ // 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;
+ }
+ }
+ }
+
+ fclose(f);
+ return out;
+
+exit:
+ if (f) fclose(f);
+ free(out);
+ *numKeys = 0;
+ return NULL;
+}
diff --git a/oldverifier/verifier.h b/oldverifier/verifier.h
new file mode 100644
index 0000000..17ab257
--- /dev/null
+++ b/oldverifier/verifier.h
@@ -0,0 +1,58 @@
+/*
+ * 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.
+ */
+
+#ifndef _RECOVERY_VERIFIER_H
+#define _RECOVERY_VERIFIER_H
+
+#include "mincrypt/p256.h"
+#include "mincrypt/rsa.h"
+
+#define ASSUMED_UPDATE_BINARY_NAME "META-INF/com/google/android/update-binary"
+
+enum { INSTALL_SUCCESS, INSTALL_ERROR, INSTALL_CORRUPT };
+
+static const float VERIFICATION_PROGRESS_FRACTION = 0.25;
+
+typedef struct {
+ p256_int x;
+ p256_int y;
+} ECPublicKey;
+
+typedef struct {
+ typedef enum {
+ RSA,
+ EC,
+ } KeyType;
+
+ int hash_len; // SHA_DIGEST_SIZE (SHA-1) or SHA256_DIGEST_SIZE (SHA-256)
+ KeyType key_type;
+ RSAPublicKey* rsa;
+ ECPublicKey* ec;
+} Certificate;
+
+/* addr and length define a an update package file that has been
+ * loaded (or mmap'ed, or whatever) into memory. Verify that the file
+ * is signed and the signature matches one of the given keys. Return
+ * one of the constants below.
+ */
+int verify_file(unsigned char* addr, size_t length);
+
+Certificate* load_keys(const char* filename, int* numKeys);
+
+#define VERIFY_SUCCESS 0
+#define VERIFY_FAILURE 1
+
+#endif /* _RECOVERY_VERIFIER_H */
diff --git a/prebuilt/Android.mk b/prebuilt/Android.mk
index c5b46df..538be71 100644
--- a/prebuilt/Android.mk
+++ b/prebuilt/Android.mk
@@ -117,8 +117,10 @@
RELINK_SOURCE_FILES += $(TARGET_OUT_SHARED_LIBRARIES)/libcorkscrew.so
endif
endif
-#RELINK_SOURCE_FILES += $(TARGET_OUT_SHARED_LIBRARIES)/libmincrypttwrp.so
-#RELINK_SOURCE_FILES += $(TARGET_RECOVERY_ROOT_OUT)/sbin/toolbox
+ifeq ($(shell test $(PLATFORM_SDK_VERSION) -lt 24; echo $$?),0)
+ RELINK_SOURCE_FILES += $(TARGET_OUT_SHARED_LIBRARIES)/libmincrypttwrp.so
+endif
+RELINK_SOURCE_FILES += $(TARGET_RECOVERY_ROOT_OUT)/sbin/toolbox
ifneq ($(TW_OEM_BUILD),true)
RELINK_SOURCE_FILES += $(TARGET_RECOVERY_ROOT_OUT)/sbin/twrp
else
diff --git a/set_metadata.c b/set_metadata.cpp
similarity index 100%
rename from set_metadata.c
rename to set_metadata.cpp
diff --git a/set_metadata.h b/set_metadata.h
index 835c31c..9a46be9 100644
--- a/set_metadata.h
+++ b/set_metadata.h
@@ -28,18 +28,10 @@
#ifndef _RECOVERY_SET_CONTEXTS_H
#define _RECOVERY_SET_CONTEXTS_H
-#ifdef __cplusplus
-extern "C" {
-#endif
-
#include <sys/stat.h>
#include "selinux/selinux.h"
int tw_get_default_metadata(const char* filename);
int tw_set_default_metadata(const char* filename);
-#ifdef __cplusplus
-}
-#endif
-
#endif //_RECOVERY_SET_CONTEXTS_H
diff --git a/toolbox/Android.mk b/toolbox/Android.mk
index c721bbd..4c3e433 100644
--- a/toolbox/Android.mk
+++ b/toolbox/Android.mk
@@ -2,9 +2,13 @@
LOCAL_PATH := system/core/toolbox
include $(CLEAR_VARS)
-OUR_TOOLS := \
- start \
- stop \
+OUR_TOOLS :=
+
+ifeq ($(shell test $(PLATFORM_SDK_VERSION) -lt 24; echo $$?),0)
+ OUR_TOOLS := \
+ start \
+ stop
+endif
ifeq ($(shell test $(PLATFORM_SDK_VERSION) -lt 23; echo $$?),0)
OUR_TOOLS += \
@@ -227,6 +231,13 @@
LOCAL_SRC_FILES += ../../../$(TWRP_TOOLBOX_PATH)/ls.c
endif
endif
+ifeq ($(shell test $(PLATFORM_SDK_VERSION) -gt 23; echo $$?),0)
+ # Rule for making start and stop in N trees
+ LOCAL_SRC_FILES += \
+ ../../../$(TWRP_TOOLBOX_PATH)/start.c \
+ ../../../$(TWRP_TOOLBOX_PATH)/stop.c
+ OUR_TOOLS += start stop
+endif
LOCAL_MODULE := toolbox_recovery
LOCAL_MODULE_STEM := toolbox
diff --git a/toolbox/start.c b/toolbox/start.c
new file mode 100644
index 0000000..6c8a3f2
--- /dev/null
+++ b/toolbox/start.c
@@ -0,0 +1,21 @@
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <cutils/properties.h>
+
+int start_main(int argc, char *argv[])
+{
+ if(argc > 1) {
+ property_set("ctl.start", argv[1]);
+ } else {
+ /* defaults to starting the common services stopped by stop.c */
+ property_set("ctl.start", "netd");
+ property_set("ctl.start", "surfaceflinger");
+ property_set("ctl.start", "zygote");
+ property_set("ctl.start", "zygote_secondary");
+ }
+
+ return 0;
+}
diff --git a/toolbox/stop.c b/toolbox/stop.c
new file mode 100644
index 0000000..5e3ce3c
--- /dev/null
+++ b/toolbox/stop.c
@@ -0,0 +1,19 @@
+#include <stdio.h>
+#include <string.h>
+
+#include <cutils/properties.h>
+
+int stop_main(int argc, char *argv[])
+{
+ if(argc > 1) {
+ property_set("ctl.stop", argv[1]);
+ } else{
+ /* defaults to stopping the common services */
+ property_set("ctl.stop", "zygote_secondary");
+ property_set("ctl.stop", "zygote");
+ property_set("ctl.stop", "surfaceflinger");
+ property_set("ctl.stop", "netd");
+ }
+
+ return 0;
+}
diff --git a/tools/recovery_l10n/Android.mk b/tools/recovery_l10n/Android.mk
index 937abd1..9fb797c 100644
--- a/tools/recovery_l10n/Android.mk
+++ b/tools/recovery_l10n/Android.mk
@@ -1,5 +1,9 @@
# Copyright 2012 Google Inc. All Rights Reserved.
+
+# Prevent RecoveryLocalizer already defined errors in older trees
+ifeq ($(shell test $(PLATFORM_SDK_VERSION) -ge 24; echo $$?),0)
+
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
@@ -10,3 +14,5 @@
LOCAL_SRC_FILES := $(call all-java-files-under, src)
include $(BUILD_PACKAGE)
+
+endif
diff --git a/twinstall.cpp b/twinstall.cpp
index 0162c76..83cd383 100644
--- a/twinstall.cpp
+++ b/twinstall.cpp
@@ -32,7 +32,11 @@
#include "mtdutils/mtdutils.h"
#include "minzip/SysUtil.h"
#include "minzip/Zip.h"
+#ifdef USE_OLD_VERIFIER
+#include "oldverifier/verifier.h"
+#else
#include "verifier.h"
+#endif
#include "variables.h"
#include "data.hpp"
#include "partitions.hpp"
@@ -40,9 +44,9 @@
#include "twrp-functions.hpp"
#include "gui/gui.hpp"
#include "gui/pages.hpp"
+#include "legacy_property_service.h"
extern "C" {
#include "gui/gui.h"
- #include "legacy_property_service.h"
}
static const char* properties_path = "/dev/__properties__";
diff --git a/twrp-functions.cpp b/twrp-functions.cpp
index 8cc094f..fffd9b7 100644
--- a/twrp-functions.cpp
+++ b/twrp-functions.cpp
@@ -51,10 +51,10 @@
#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
#include "openaes/inc/oaes_lib.h"
#endif
+#include "set_metadata.h"
extern "C" {
#include "libcrecovery/common.h"
- #include "set_metadata.h"
}
/* Execute a command */
diff --git a/twrp.cpp b/twrp.cpp
index e7076d9..3de35af 100644
--- a/twrp.cpp
+++ b/twrp.cpp
@@ -34,8 +34,8 @@
extern "C" {
#include "gui/gui.h"
-#include "set_metadata.h"
}
+#include "set_metadata.h"
#include "gui/gui.hpp"
#include "gui/pages.hpp"
#include "gui/objects.hpp"
diff --git a/twrpTar.cpp b/twrpTar.cpp
index dcbb282..d192f2c 100644
--- a/twrpTar.cpp
+++ b/twrpTar.cpp
@@ -21,7 +21,6 @@
#include "libtar/libtar.h"
#include "twrpTar.h"
#include "tarWrite.h"
- #include "set_metadata.h"
}
#include <sys/types.h>
#include <sys/stat.h>
@@ -51,9 +50,7 @@
#ifndef BUILD_TWRPTAR_MAIN
#include "data.hpp"
#include "infomanager.hpp"
-extern "C" {
- #include "set_metadata.h"
-}
+#include "set_metadata.h"
#endif //ndef BUILD_TWRPTAR_MAIN
using namespace std;
@@ -69,6 +66,9 @@
Total_Backup_Size = 0;
Archive_Current_Size = 0;
include_root_dir = true;
+ tar_type.openfunc = open;
+ tar_type.closefunc = close;
+ tar_type.readfunc = read;
}
twrpTar::~twrpTar(void) {
@@ -961,7 +961,7 @@
close(pipes[3]);
fd = pipes[1];
init_libtar_no_buffer(progress_pipe_fd);
- tar_type = { open, close, read, write_tar_no_buffer };
+ tar_type.writefunc = write_tar_no_buffer;
if(tar_fdopen(&t, fd, charRootDir, &tar_type, O_WRONLY | O_CREAT | O_EXCL | O_LARGEFILE, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH, TAR_GNU | TAR_STORE_SELINUX) != 0) {
close(fd);
LOGINFO("tar_fdopen failed\n");
@@ -1021,7 +1021,7 @@
close(pigzfd[0]); // close parent input
fd = pigzfd[1]; // copy parent output
init_libtar_no_buffer(progress_pipe_fd);
- tar_type = { open, close, read, write_tar_no_buffer };
+ tar_type.writefunc = write_tar_no_buffer;
if(tar_fdopen(&t, fd, charRootDir, &tar_type, O_WRONLY | O_CREAT | O_EXCL | O_LARGEFILE, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH, TAR_GNU | TAR_STORE_SELINUX) != 0) {
close(fd);
LOGINFO("tar_fdopen failed\n");
@@ -1071,7 +1071,7 @@
close(oaesfd[0]); // close parent input
fd = oaesfd[1]; // copy parent output
init_libtar_no_buffer(progress_pipe_fd);
- tar_type = { open, close, read, write_tar_no_buffer };
+ tar_type.writefunc = write_tar_no_buffer;
if(tar_fdopen(&t, fd, charRootDir, &tar_type, O_WRONLY | O_CREAT | O_EXCL | O_LARGEFILE, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH, TAR_GNU | TAR_STORE_SELINUX) != 0) {
close(fd);
LOGINFO("tar_fdopen failed\n");
@@ -1083,10 +1083,9 @@
} else {
// Not compressed or encrypted
init_libtar_buffer(0, progress_pipe_fd);
- tar_type = { open, close, read, write_tar };
if (part_settings->adbbackup) {
LOGINFO("Opening TW_ADB_BACKUP uncompressed stream\n");
- tar_type = { open, close, read, write_tar_no_buffer };
+ tar_type.writefunc = write_tar_no_buffer;
output_fd = open(TW_ADB_BACKUP, O_WRONLY);
if(tar_fdopen(&t, output_fd, charRootDir, &tar_type, O_WRONLY | O_CREAT | O_EXCL | O_LARGEFILE, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH, TAR_GNU | TAR_STORE_SELINUX) != 0) {
close(output_fd);
@@ -1095,6 +1094,7 @@
}
}
else {
+ tar_type.writefunc = write_tar;
if (tar_open(&t, charTarFile, &tar_type, O_WRONLY | O_CREAT | O_LARGEFILE, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH, TAR_GNU | TAR_STORE_SELINUX) == -1) {
LOGERR("tar_open error opening '%s'\n", tarfn.c_str());
gui_err("backup_error=Error creating backup.");