Merge "Remove otafault"
diff --git a/applypatch/Android.bp b/applypatch/Android.bp
index cb0b367..620ca6c 100644
--- a/applypatch/Android.bp
+++ b/applypatch/Android.bp
@@ -53,7 +53,6 @@
"libbz",
"libcrypto",
"libedify",
- "libotafault",
"libotautil",
"libz",
],
@@ -100,7 +99,6 @@
"libapplypatch_modes",
"libapplypatch",
"libedify",
- "libotafault",
"libotautil",
"libbspatch",
],
diff --git a/applypatch/applypatch.cpp b/applypatch/applypatch.cpp
index b1aefa4..bc8ea79 100644
--- a/applypatch/applypatch.cpp
+++ b/applypatch/applypatch.cpp
@@ -26,24 +26,25 @@
#include <sys/types.h>
#include <unistd.h>
+#include <algorithm>
#include <functional>
#include <memory>
#include <string>
#include <utility>
#include <vector>
+#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/parseint.h>
#include <android-base/strings.h>
+#include <android-base/unique_fd.h>
#include <openssl/sha.h>
#include "edify/expr.h"
-#include "otafault/ota_io.h"
#include "otautil/paths.h"
#include "otautil/print_sha1.h"
static int LoadPartitionContents(const std::string& filename, FileContents* file);
-static size_t FileSink(const unsigned char* data, size_t len, int fd);
static int GenerateTarget(const FileContents& source_file, const std::unique_ptr<Value>& patch,
const std::string& target_filename,
const uint8_t target_sha1[SHA_DIGEST_LENGTH], const Value* bonus_data);
@@ -54,26 +55,13 @@
return LoadPartitionContents(filename, file);
}
- struct stat sb;
- if (stat(filename.c_str(), &sb) == -1) {
- PLOG(ERROR) << "Failed to stat \"" << filename << "\"";
+ std::string data;
+ if (!android::base::ReadFileToString(filename, &data)) {
+ PLOG(ERROR) << "Failed to read \"" << filename << "\"";
return -1;
}
- std::vector<unsigned char> data(sb.st_size);
- unique_file f(ota_fopen(filename.c_str(), "rb"));
- if (!f) {
- PLOG(ERROR) << "Failed to open \"" << filename << "\"";
- return -1;
- }
-
- size_t bytes_read = ota_fread(data.data(), 1, data.size(), f.get());
- if (bytes_read != data.size()) {
- LOG(ERROR) << "Short read of \"" << filename << "\" (" << bytes_read << " bytes of "
- << data.size() << ")";
- return -1;
- }
- file->data = std::move(data);
+ file->data = std::vector<unsigned char>(data.begin(), data.end());
SHA1(file->data.data(), file->data.size(), file->sha1);
return 0;
}
@@ -110,8 +98,8 @@
std::sort(pairs.begin(), pairs.end());
const char* partition = pieces[1].c_str();
- unique_file dev(ota_fopen(partition, "rb"));
- if (!dev) {
+ android::base::unique_fd dev(open(partition, O_RDONLY));
+ if (dev == -1) {
PLOG(ERROR) << "Failed to open eMMC partition \"" << partition << "\"";
return -1;
}
@@ -121,8 +109,7 @@
// Allocate enough memory to hold the largest size.
std::vector<unsigned char> buffer(pairs[pair_count - 1].first);
- unsigned char* buffer_ptr = buffer.data();
- size_t buffer_size = 0; // # bytes read so far
+ size_t offset = 0; // # bytes read so far
bool found = false;
for (const auto& pair : pairs) {
@@ -131,19 +118,16 @@
// 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 = current_size - buffer_size;
- if (next > 0) {
- size_t read = ota_fread(buffer_ptr, 1, next, dev.get());
- if (next != read) {
- LOG(ERROR) << "Short read (" << read << " bytes of " << next << ") for partition \""
- << partition << "\"";
+ if (current_size - offset > 0) {
+ if (!android::base::ReadFully(dev, buffer.data() + offset, current_size - offset)) {
+ PLOG(ERROR) << "Failed to read " << current_size - offset << " bytes of data at offset "
+ << offset << " for partition " << partition;
return -1;
}
- SHA1_Update(&sha_ctx, buffer_ptr, read);
- buffer_size += read;
- buffer_ptr += read;
- }
+ SHA1_Update(&sha_ctx, buffer.data() + offset, current_size - offset);
+ offset = current_size;
+ }
// Duplicate the SHA context and finalize the duplicate so we can
// check it against this pair's expected hash.
SHA_CTX temp_ctx;
@@ -173,31 +157,31 @@
SHA1_Final(file->sha1, &sha_ctx);
- buffer.resize(buffer_size);
+ buffer.resize(offset);
file->data = std::move(buffer);
return 0;
}
int SaveFileContents(const std::string& filename, const FileContents* file) {
- unique_fd fd(
- ota_open(filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_SYNC, S_IRUSR | S_IWUSR));
+ android::base::unique_fd fd(
+ open(filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_SYNC, S_IRUSR | S_IWUSR));
if (fd == -1) {
PLOG(ERROR) << "Failed to open \"" << filename << "\" for write";
return -1;
}
- size_t bytes_written = FileSink(file->data.data(), file->data.size(), fd);
- if (bytes_written != file->data.size()) {
- PLOG(ERROR) << "Short write of \"" << filename << "\" (" << bytes_written << " bytes of "
- << file->data.size();
+ if (!android::base::WriteFully(fd, file->data.data(), file->data.size())) {
+ PLOG(ERROR) << "Failed to write " << file->data.size() << " bytes of data to " << filename;
return -1;
}
- if (ota_fsync(fd) != 0) {
+
+ if (fsync(fd) != 0) {
PLOG(ERROR) << "Failed to fsync \"" << filename << "\"";
return -1;
}
- if (ota_close(fd) != 0) {
+
+ if (close(fd.release()) != 0) {
PLOG(ERROR) << "Failed to close \"" << filename << "\"";
return -1;
}
@@ -215,42 +199,36 @@
return -1;
}
- const char* partition = pieces[1].c_str();
- unique_fd fd(ota_open(partition, O_RDWR));
- if (fd == -1) {
- PLOG(ERROR) << "Failed to open \"" << partition << "\"";
- return -1;
- }
-
size_t start = 0;
bool success = false;
for (size_t attempt = 0; attempt < 2; ++attempt) {
+ std::string partition = pieces[1];
+ android::base::unique_fd fd(open(partition.c_str(), O_RDWR));
+ if (fd == -1) {
+ PLOG(ERROR) << "Failed to open \"" << partition << "\"";
+ return -1;
+ }
+
if (TEMP_FAILURE_RETRY(lseek(fd, start, SEEK_SET)) == -1) {
PLOG(ERROR) << "Failed to seek to " << start << " on \"" << partition << "\"";
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) {
- PLOG(ERROR) << "Failed to write to \"" << partition << "\"";
- return -1;
- }
- start += written;
+ if (!android::base::WriteFully(fd, data + start, len - start)) {
+ PLOG(ERROR) << "Failed to write " << len - start << " bytes to \"" << partition << "\"";
+ return -1;
}
- if (ota_fsync(fd) != 0) {
+ if (fsync(fd) != 0) {
PLOG(ERROR) << "Failed to sync \"" << partition << "\"";
return -1;
}
- if (ota_close(fd) != 0) {
+ if (close(fd.release()) != 0) {
PLOG(ERROR) << "Failed to close \"" << partition << "\"";
return -1;
}
- fd.reset(ota_open(partition, O_RDONLY));
+ fd.reset(open(partition.c_str(), O_RDONLY));
if (fd == -1) {
PLOG(ERROR) << "Failed to reopen \"" << partition << "\" for verification";
return -1;
@@ -258,13 +236,12 @@
// Drop caches so our subsequent verification read won't just be reading the cache.
sync();
- unique_fd dc(ota_open("/proc/sys/vm/drop_caches", O_WRONLY));
- if (TEMP_FAILURE_RETRY(ota_write(dc, "3\n", 2)) == -1) {
- PLOG(ERROR) << "Failed to write to /proc/sys/vm/drop_caches";
+ std::string drop_cache = "/proc/sys/vm/drop_caches";
+ if (!android::base::WriteStringToFile("3\n", drop_cache)) {
+ PLOG(ERROR) << "Failed to write to " << drop_cache;
} else {
LOG(INFO) << " caches dropped";
}
- ota_close(dc);
sleep(1);
// Verify.
@@ -281,21 +258,9 @@
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) {
- PLOG(ERROR) << "Failed to verify-read " << partition << " at " << p;
- return -1;
- } else if (read_count == 0) {
- LOG(ERROR) << "Verify-reading " << partition << " reached unexpected EOF at " << p;
- return -1;
- }
- if (static_cast<size_t>(read_count) < to_read) {
- LOG(INFO) << "Short verify-read " << partition << " at " << p << ": expected " << to_read
- << " actual " << read_count;
- }
- so_far += read_count;
+ if (!android::base::ReadFully(fd, buffer, to_read)) {
+ PLOG(ERROR) << "Failed to verify-read " << partition << " at " << p;
+ return -1;
}
if (memcmp(buffer, data + p, to_read) != 0) {
@@ -311,16 +276,10 @@
break;
}
- if (ota_close(fd) != 0) {
+ if (close(fd.release()) != 0) {
PLOG(ERROR) << "Failed to close " << partition;
return -1;
}
-
- fd.reset(ota_open(partition, O_RDWR));
- if (fd == -1) {
- PLOG(ERROR) << "Failed to reopen " << partition << " for next attempt";
- return -1;
- }
}
if (!success) {
@@ -328,10 +287,6 @@
return -1;
}
- if (ota_close(fd) == -1) {
- PLOG(ERROR) << "Failed to close " << partition;
- return -1;
- }
sync();
return 0;
@@ -407,19 +362,6 @@
return 0;
}
-static size_t FileSink(const unsigned char* data, size_t len, int fd) {
- size_t done = 0;
- while (done < len) {
- ssize_t wrote = TEMP_FAILURE_RETRY(ota_write(fd, data + done, len - done));
- if (wrote == -1) {
- PLOG(ERROR) << "Failed to write " << len - done << " bytes";
- return done;
- }
- done += wrote;
- }
- return done;
-}
-
int applypatch(const char* source_filename, const char* target_filename,
const char* target_sha1_str, size_t /* target_size */,
const std::vector<std::string>& patch_sha1s,
diff --git a/otafault/Android.bp b/otafault/Android.bp
deleted file mode 100644
index b39d5be..0000000
--- a/otafault/Android.bp
+++ /dev/null
@@ -1,68 +0,0 @@
-// Copyright (C) 2017 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.
-
-cc_library_static {
- name: "libotafault",
-
- host_supported: true,
-
- srcs: [
- "config.cpp",
- "ota_io.cpp",
- ],
-
- static_libs: [
- "libbase",
- "liblog",
- "libziparchive",
- ],
-
- export_include_dirs: [
- "include",
- ],
-
- cflags: [
- "-D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS",
- "-Wall",
- "-Werror",
- "-Wthread-safety",
- "-Wthread-safety-negative",
- ],
-
- target: {
- darwin: {
- enabled: false,
- },
- },
-}
-
-cc_test {
- name: "otafault_test",
-
- srcs: ["test.cpp"],
-
- cflags: [
- "-Wall",
- "-Werror",
- ],
-
- static_executable: true,
-
- static_libs: [
- "libotafault",
- "libziparchive",
- "libbase",
- "liblog",
- ],
-}
diff --git a/otafault/config.cpp b/otafault/config.cpp
deleted file mode 100644
index 3993948..0000000
--- a/otafault/config.cpp
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * 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 "otafault/config.h"
-
-#include <map>
-#include <string>
-
-#include <android-base/stringprintf.h>
-#include <ziparchive/zip_archive.h>
-
-#include "otafault/ota_io.h"
-
-#define OTAIO_MAX_FNAME_SIZE 128
-
-static ZipArchiveHandle archive;
-static bool is_retry = false;
-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(ZipArchiveHandle za, bool retry) {
- archive = za;
- is_retry = retry;
- 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 == nullptr || is_retry) {
- 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];
- }
- ZipString zip_type_path(type_path.c_str());
- ZipEntry entry;
- int status = FindEntry(archive, zip_type_path, &entry);
- should_inject_cache[type_path] = (status == 0);
- return (status == 0);
-}
-
-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);
- ZipString zip_type_path(type_path.c_str());
- ZipEntry entry;
- if (FindEntry(archive, zip_type_path, &entry) != 0) {
- return {};
- }
- ExtractToMemory(archive, &entry, reinterpret_cast<uint8_t*>(&fname[0]), OTAIO_MAX_FNAME_SIZE);
- return fname;
-}
diff --git a/otafault/include/otafault/config.h b/otafault/include/otafault/config.h
deleted file mode 100644
index cc4bfd2..0000000
--- a/otafault/include/otafault/config.h
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * 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 <ziparchive/zip_archive.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(ZipArchiveHandle zip, bool retry);
-
-/*
- * 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/include/otafault/ota_io.h b/otafault/include/otafault/ota_io.h
deleted file mode 100644
index 45e481a..0000000
--- a/otafault/include/otafault/ota_io.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * 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 <stddef.h>
-#include <stdio.h>
-#include <sys/stat.h> // mode_t
-
-#include <memory>
-
-#include <android-base/unique_fd.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);
-
-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);
-
-struct OtaCloser {
- static void Close(int);
-};
-
-using unique_fd = android::base::unique_fd_impl<OtaCloser>;
-
-int ota_close(unique_fd& fd);
-
-struct OtaFcloser {
- void operator()(FILE*) const;
-};
-
-using unique_file = std::unique_ptr<FILE, OtaFcloser>;
-
-int ota_fclose(unique_file& fh);
-
-#endif
diff --git a/otafault/ota_io.cpp b/otafault/ota_io.cpp
deleted file mode 100644
index 63ef18e..0000000
--- a/otafault/ota_io.cpp
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- * 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 "otafault/ota_io.h"
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <map>
-#include <mutex>
-#include <string>
-
-#include <android-base/thread_annotations.h>
-
-#include "otafault/config.h"
-
-static std::mutex filename_mutex;
-static std::map<intptr_t, const char*> filename_cache GUARDED_BY(filename_mutex);
-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, const 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);
- std::lock_guard<std::mutex> lock(filename_mutex);
- filename_cache[fd] = path;
- return fd;
-}
-
-int ota_open(const char* path, int oflags, mode_t mode) {
- int fd = open(path, oflags, mode);
- std::lock_guard<std::mutex> lock(filename_mutex);
- filename_cache[fd] = path;
- return fd;
-}
-
-FILE* ota_fopen(const char* path, const char* mode) {
- FILE* fh = fopen(path, mode);
- std::lock_guard<std::mutex> lock(filename_mutex);
- filename_cache[(intptr_t)fh] = path;
- return fh;
-}
-
-static int __ota_close(int fd) {
- // descriptors can be reused, so make sure not to leave them in the cache
- std::lock_guard<std::mutex> lock(filename_mutex);
- filename_cache.erase(fd);
- return close(fd);
-}
-
-void OtaCloser::Close(int fd) {
- __ota_close(fd);
-}
-
-int ota_close(unique_fd& fd) {
- return __ota_close(fd.release());
-}
-
-static int __ota_fclose(FILE* fh) {
- std::lock_guard<std::mutex> lock(filename_mutex);
- filename_cache.erase(reinterpret_cast<intptr_t>(fh));
- return fclose(fh);
-}
-
-void OtaFcloser::operator()(FILE* f) const {
- __ota_fclose(f);
-};
-
-int ota_fclose(unique_file& fh) {
- return __ota_fclose(fh.release());
-}
-
-size_t ota_fread(void* ptr, size_t size, size_t nitems, FILE* stream) {
- if (should_fault_inject(OTAIO_READ)) {
- std::lock_guard<std::mutex> lock(filename_mutex);
- 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 I/O error occurs, set the retry-update flag.
- 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)) {
- std::lock_guard<std::mutex> lock(filename_mutex);
- 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)) {
- std::lock_guard<std::mutex> lock(filename_mutex);
- 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)) {
- std::lock_guard<std::mutex> lock(filename_mutex);
- 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)) {
- std::lock_guard<std::mutex> lock(filename_mutex);
- 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/test.cpp b/otafault/test.cpp
deleted file mode 100644
index 63e2445..0000000
--- a/otafault/test.cpp
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * 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 <fcntl.h>
-#include <stdio.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "otafault/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/otautil/include/otautil/error_code.h b/otautil/include/otautil/error_code.h
index 0f6c9f8..2b73c13 100644
--- a/otautil/include/otautil/error_code.h
+++ b/otautil/include/otautil/error_code.h
@@ -49,6 +49,7 @@
kPackageExtractFileFailure,
kPatchApplicationFailure,
kHashTreeComputationFailure,
+ kEioFailure,
kVendorFailure = 200
};
diff --git a/tests/Android.bp b/tests/Android.bp
index dc20f33..ab4d31d 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -56,7 +56,6 @@
"libedify",
"libimgdiff",
"libimgpatch",
- "libotafault",
"libotautil",
"libbsdiff",
"libbspatch",
diff --git a/tests/component/updater_test.cpp b/tests/component/updater_test.cpp
index c4f3176..b253abc 100644
--- a/tests/component/updater_test.cpp
+++ b/tests/component/updater_test.cpp
@@ -272,7 +272,7 @@
expect(nullptr, "file_getprop(\"arg1\", \"arg2\", \"arg3\")", kArgsParsingFailure);
// File doesn't exist.
- expect(nullptr, "file_getprop(\"/doesntexist\", \"key1\")", kFileGetPropFailure);
+ expect(nullptr, "file_getprop(\"/doesntexist\", \"key1\")", kFreadFailure);
// Reject too large files (current limit = 65536).
TemporaryFile temp_file1;
diff --git a/updater/Android.bp b/updater/Android.bp
index c77bac8..c95ec5e 100644
--- a/updater/Android.bp
+++ b/updater/Android.bp
@@ -24,7 +24,6 @@
"libbootloader_message",
"libbspatch",
"libedify",
- "libotafault",
"libotautil",
"libext4_utils",
"libfec",
diff --git a/updater/Android.mk b/updater/Android.mk
index 5478a7d..78e32ba 100644
--- a/updater/Android.mk
+++ b/updater/Android.mk
@@ -27,7 +27,6 @@
libbootloader_message \
libbspatch \
libedify \
- libotafault \
libotautil \
libext4_utils \
libfec \
diff --git a/updater/blockimg.cpp b/updater/blockimg.cpp
index 96b2d9f..823a1cb 100644
--- a/updater/blockimg.cpp
+++ b/updater/blockimg.cpp
@@ -53,7 +53,6 @@
#include <ziparchive/zip_archive.h>
#include "edify/expr.h"
-#include "otafault/ota_io.h"
#include "otautil/error_code.h"
#include "otautil/paths.h"
#include "otautil/print_sha1.h"
@@ -119,15 +118,14 @@
}
static bool FsyncDir(const std::string& dirname) {
- android::base::unique_fd dfd(
- TEMP_FAILURE_RETRY(ota_open(dirname.c_str(), O_RDONLY | O_DIRECTORY)));
+ android::base::unique_fd dfd(TEMP_FAILURE_RETRY(open(dirname.c_str(), O_RDONLY | O_DIRECTORY)));
if (dfd == -1) {
- failure_type = kFileOpenFailure;
+ failure_type = errno == EIO ? kEioFailure : kFileOpenFailure;
PLOG(ERROR) << "Failed to open " << dirname;
return false;
}
if (fsync(dfd) == -1) {
- failure_type = kFsyncFailure;
+ failure_type = errno == EIO ? kEioFailure : kFsyncFailure;
PLOG(ERROR) << "Failed to fsync " << dirname;
return false;
}
@@ -180,47 +178,6 @@
return true;
}
-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;
- PLOG(ERROR) << "read failed";
- return -1;
- } else if (r == 0) {
- failure_type = kFreadFailure;
- LOG(ERROR) << "read reached unexpected EOF.";
- 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;
- PLOG(ERROR) << "write failed";
- 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) {
@@ -293,7 +250,9 @@
write_now = current_range_left_;
}
- if (write_all(fd_, data, write_now) == -1) {
+ if (!android::base::WriteFully(fd_, data, write_now)) {
+ failure_type = errno == EIO ? kEioFailure : kFwriteFailure;
+ PLOG(ERROR) << "Failed to write " << write_now << " bytes of data";
break;
}
@@ -510,7 +469,9 @@
}
size_t size = (range.second - range.first) * BLOCKSIZE;
- if (read_all(fd, buffer->data() + p, size) == -1) {
+ if (!android::base::ReadFully(fd, buffer->data() + p, size)) {
+ failure_type = errno == EIO ? kEioFailure : kFreadFailure;
+ PLOG(ERROR) << "Failed to read " << size << " bytes of data";
return -1;
}
@@ -533,7 +494,9 @@
return -1;
}
- if (write_all(fd, buffer.data() + written, size) == -1) {
+ if (!android::base::WriteFully(fd, buffer.data() + written, size)) {
+ failure_type = errno == EIO ? kEioFailure : kFwriteFailure;
+ PLOG(ERROR) << "Failed to write " << size << " bytes of data";
return -1;
}
@@ -793,15 +756,18 @@
return -1;
}
- android::base::unique_fd fd(TEMP_FAILURE_RETRY(ota_open(fn.c_str(), O_RDONLY)));
+ android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(fn.c_str(), O_RDONLY)));
if (fd == -1) {
+ failure_type = errno == EIO ? kEioFailure : kFileOpenFailure;
PLOG(ERROR) << "open \"" << fn << "\" failed";
return -1;
}
allocate(sb.st_size, buffer);
- if (read_all(fd, buffer, sb.st_size) == -1) {
+ if (!android::base::ReadFully(fd, buffer->data(), sb.st_size)) {
+ failure_type = errno == EIO ? kEioFailure : kFreadFailure;
+ PLOG(ERROR) << "Failed to read " << sb.st_size << " bytes of data";
return -1;
}
@@ -855,8 +821,9 @@
LOG(INFO) << " writing " << blocks << " blocks to " << cn;
android::base::unique_fd fd(
- TEMP_FAILURE_RETRY(ota_open(fn.c_str(), O_WRONLY | O_CREAT | O_TRUNC, STASH_FILE_MODE)));
+ TEMP_FAILURE_RETRY(open(fn.c_str(), O_WRONLY | O_CREAT | O_TRUNC, STASH_FILE_MODE)));
if (fd == -1) {
+ failure_type = errno == EIO ? kEioFailure : kFileOpenFailure;
PLOG(ERROR) << "failed to create \"" << fn << "\"";
return -1;
}
@@ -866,12 +833,14 @@
return -1;
}
- if (write_all(fd, buffer, blocks * BLOCKSIZE) == -1) {
+ if (!android::base::WriteFully(fd, buffer.data(), blocks * BLOCKSIZE)) {
+ failure_type = errno == EIO ? kEioFailure : kFwriteFailure;
+ PLOG(ERROR) << "Failed to write " << blocks * BLOCKSIZE << " bytes of data";
return -1;
}
- if (ota_fsync(fd) == -1) {
- failure_type = kFsyncFailure;
+ if (fsync(fd) == -1) {
+ failure_type = errno == EIO ? kEioFailure : kFsyncFailure;
PLOG(ERROR) << "fsync \"" << fn << "\" failed";
return -1;
}
@@ -883,7 +852,6 @@
std::string dname = GetStashFileName(base, "", "");
if (!FsyncDir(dname)) {
- failure_type = kFsyncFailure;
return -1;
}
@@ -1313,7 +1281,9 @@
}
for (size_t j = range.first; j < range.second; ++j) {
- if (write_all(params.fd, params.buffer, BLOCKSIZE) == -1) {
+ if (!android::base::WriteFully(params.fd, params.buffer.data(), BLOCKSIZE)) {
+ failure_type = errno == EIO ? kEioFailure : kFwriteFailure;
+ PLOG(ERROR) << "Failed to write " << BLOCKSIZE << " bytes of data";
return -1;
}
}
@@ -1560,7 +1530,8 @@
}
for (size_t i = range.first; i < range.second; i++) {
- if (read_all(params.fd, buffer, BLOCKSIZE) == -1) {
+ if (!android::base::ReadFully(params.fd, buffer, BLOCKSIZE)) {
+ failure_type = errno == EIO ? kEioFailure : kFreadFailure;
LOG(ERROR) << "Failed to read data in " << range.first << ":" << range.second;
return -1;
}
@@ -1676,8 +1647,9 @@
return StringValue("");
}
- params.fd.reset(TEMP_FAILURE_RETRY(ota_open(blockdev_filename->data.c_str(), O_RDWR)));
+ params.fd.reset(TEMP_FAILURE_RETRY(open(blockdev_filename->data.c_str(), O_RDWR)));
if (params.fd == -1) {
+ failure_type = errno == EIO ? kEioFailure : kFileOpenFailure;
PLOG(ERROR) << "open \"" << blockdev_filename->data << "\" failed";
return StringValue("");
}
@@ -1859,8 +1831,8 @@
}
if (params.canwrite) {
- if (ota_fsync(params.fd) == -1) {
- failure_type = kFsyncFailure;
+ if (fsync(params.fd) == -1) {
+ failure_type = errno == EIO ? kEioFailure : kFsyncFailure;
PLOG(ERROR) << "fsync failed";
goto pbiudone;
}
@@ -1920,8 +1892,8 @@
LOG(INFO) << "verified partition contents; update may be resumed";
}
- if (ota_fsync(params.fd) == -1) {
- failure_type = kFsyncFailure;
+ if (fsync(params.fd) == -1) {
+ failure_type = errno == EIO ? kEioFailure : kFsyncFailure;
PLOG(ERROR) << "fsync failed";
}
// params.fd will be automatically closed because it's a unique_fd.
@@ -2059,9 +2031,10 @@
return StringValue("");
}
- android::base::unique_fd fd(ota_open(blockdev_filename->data.c_str(), O_RDWR));
+ android::base::unique_fd fd(open(blockdev_filename->data.c_str(), O_RDWR));
if (fd == -1) {
- ErrorAbort(state, kFileOpenFailure, "open \"%s\" failed: %s", blockdev_filename->data.c_str(),
+ CauseCode cause_code = errno == EIO ? kEioFailure : kFileOpenFailure;
+ ErrorAbort(state, cause_code, "open \"%s\" failed: %s", blockdev_filename->data.c_str(),
strerror(errno));
return StringValue("");
}
@@ -2081,8 +2054,9 @@
}
for (size_t j = range.first; j < range.second; ++j) {
- if (read_all(fd, &buffer, BLOCKSIZE) == -1) {
- ErrorAbort(state, kFreadFailure, "failed to read %s: %s", blockdev_filename->data.c_str(),
+ if (!android::base::ReadFully(fd, buffer.data(), BLOCKSIZE)) {
+ CauseCode cause_code = errno == EIO ? kEioFailure : kFreadFailure;
+ ErrorAbort(state, cause_code, "failed to read %s: %s", blockdev_filename->data.c_str(),
strerror(errno));
return StringValue("");
}
@@ -2121,9 +2095,10 @@
return StringValue("");
}
- android::base::unique_fd fd(ota_open(arg_filename->data.c_str(), O_RDONLY));
+ android::base::unique_fd fd(open(arg_filename->data.c_str(), O_RDONLY));
if (fd == -1) {
- ErrorAbort(state, kFileOpenFailure, "open \"%s\" failed: %s", arg_filename->data.c_str(),
+ CauseCode cause_code = errno == EIO ? kEioFailure : kFileOpenFailure;
+ ErrorAbort(state, cause_code, "open \"%s\" failed: %s", arg_filename->data.c_str(),
strerror(errno));
return StringValue("");
}
@@ -2132,7 +2107,8 @@
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.c_str(),
+ CauseCode cause_code = errno == EIO ? kEioFailure : kFreadFailure;
+ ErrorAbort(state, cause_code, "failed to read %s: %s", arg_filename->data.c_str(),
strerror(errno));
return StringValue("");
}
diff --git a/updater/install.cpp b/updater/install.cpp
index f933345..34514b6 100644
--- a/updater/install.cpp
+++ b/updater/install.cpp
@@ -46,6 +46,7 @@
#include <android-base/properties.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
+#include <android-base/unique_fd.h>
#include <applypatch/applypatch.h>
#include <bootloader_message/bootloader_message.h>
#include <ext4_utils/wipe.h>
@@ -56,7 +57,6 @@
#include <ziparchive/zip_archive.h>
#include "edify/expr.h"
-#include "otafault/ota_io.h"
#include "otautil/dirutil.h"
#include "otautil/error_code.h"
#include "otautil/mounts.h"
@@ -137,8 +137,8 @@
return StringValue("");
}
- unique_fd fd(TEMP_FAILURE_RETRY(
- ota_open(dest_path.c_str(), O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR)));
+ android::base::unique_fd fd(TEMP_FAILURE_RETRY(
+ open(dest_path.c_str(), O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR)));
if (fd == -1) {
PLOG(ERROR) << name << ": can't open " << dest_path << " for write";
return StringValue("");
@@ -152,11 +152,12 @@
<< "\": " << ErrorCodeString(ret);
success = false;
}
- if (ota_fsync(fd) == -1) {
+ if (fsync(fd) == -1) {
PLOG(ERROR) << "fsync of \"" << dest_path << "\" failed";
success = false;
}
- if (ota_close(fd) == -1) {
+
+ if (close(fd.release()) != 0) {
PLOG(ERROR) << "close of \"" << dest_path << "\" failed";
success = false;
}
@@ -614,33 +615,12 @@
const std::string& filename = args[0];
const std::string& key = args[1];
- struct stat st;
- if (stat(filename.c_str(), &st) < 0) {
- return ErrorAbort(state, kFileGetPropFailure, "%s: failed to stat \"%s\": %s", name,
- filename.c_str(), strerror(errno));
- }
-
- constexpr off_t MAX_FILE_GETPROP_SIZE = 65536;
- if (st.st_size > MAX_FILE_GETPROP_SIZE) {
- return ErrorAbort(state, kFileGetPropFailure, "%s too large for %s (max %lld)",
- filename.c_str(), name, static_cast<long long>(MAX_FILE_GETPROP_SIZE));
- }
-
- std::string buffer(st.st_size, '\0');
- unique_file f(ota_fopen(filename.c_str(), "rb"));
- if (f == nullptr) {
- return ErrorAbort(state, kFileOpenFailure, "%s: failed to open %s: %s", name, filename.c_str(),
- strerror(errno));
- }
-
- if (ota_fread(&buffer[0], 1, st.st_size, f.get()) != static_cast<size_t>(st.st_size)) {
- ErrorAbort(state, kFreadFailure, "%s: failed to read %zu bytes from %s", name,
- static_cast<size_t>(st.st_size), filename.c_str());
+ std::string buffer;
+ if (!android::base::ReadFileToString(filename, &buffer)) {
+ ErrorAbort(state, kFreadFailure, "%s: failed to read %s", name, filename.c_str());
return nullptr;
}
- ota_fclose(f);
-
std::vector<std::string> lines = android::base::Split(buffer, "\n");
for (size_t i = 0; i < lines.size(); i++) {
std::string line = android::base::Trim(lines[i]);
@@ -913,7 +893,12 @@
if (!android::base::ParseUint(len_str.c_str(), &len)) {
return nullptr;
}
- unique_fd fd(ota_open(filename.c_str(), O_WRONLY, 0644));
+ android::base::unique_fd fd(open(filename.c_str(), O_WRONLY));
+ if (fd == -1) {
+ PLOG(ERROR) << "Failed to open " << filename;
+ return StringValue("");
+ }
+
// The wipe_block_device function in ext4_utils returns 0 on success and 1
// for failure.
int status = wipe_block_device(fd, len);
diff --git a/updater/updater.cpp b/updater/updater.cpp
index e06d453..e87c57a 100644
--- a/updater/updater.cpp
+++ b/updater/updater.cpp
@@ -31,7 +31,6 @@
#include <ziparchive/zip_archive.h>
#include "edify/expr.h"
-#include "otafault/config.h"
#include "otautil/dirutil.h"
#include "otautil/error_code.h"
#include "otautil/sysutil.h"
@@ -47,8 +46,6 @@
// (Note it's "updateR-script", not the older "update-script".)
static constexpr const char* SCRIPT_NAME = "META-INF/com/google/android/updater-script";
-extern bool have_eio_error;
-
struct selabel_handle *sehandle;
static void UpdaterLogger(android::base::LogId /* id */, android::base::LogSeverity /* severity */,
@@ -166,15 +163,10 @@
printf("unexpected argument: %s", argv[4]);
}
}
- ota_io_init(za, state.is_retry);
std::string result;
bool status = Evaluate(&state, root, &result);
- if (have_eio_error) {
- fprintf(cmd_pipe, "retry_update\n");
- }
-
if (!status) {
if (state.errmsg.empty()) {
LOG(ERROR) << "script aborted (no error message)";
@@ -206,6 +198,9 @@
if (state.cause_code == kPatchApplicationFailure) {
LOG(INFO) << "Patch application failed, retry update.";
fprintf(cmd_pipe, "retry_update\n");
+ } else if (state.cause_code == kEioFailure) {
+ LOG(INFO) << "Update failed due to EIO, retry update.";
+ fprintf(cmd_pipe, "retry_update\n");
}
}