diff options
Diffstat (limited to 'install.cpp')
| -rw-r--r-- | install.cpp | 386 |
1 files changed, 190 insertions, 196 deletions
diff --git a/install.cpp b/install.cpp index 6dcd3565e..e5a59b832 100644 --- a/install.cpp +++ b/install.cpp @@ -44,11 +44,11 @@ #include <android-base/properties.h> #include <android-base/stringprintf.h> #include <android-base/strings.h> +#include <vintf/VintfObjectRecovery.h> #include <ziparchive/zip_archive.h> #include "common.h" #include "error_code.h" -#include "minui/minui.h" #include "otautil/SysUtil.h" #include "otautil/ThermalUtil.h" #include "roots.h" @@ -57,18 +57,9 @@ using namespace std::chrono_literals; -#define ASSUMED_UPDATE_BINARY_NAME "META-INF/com/google/android/update-binary" -static constexpr const char* AB_OTA_PAYLOAD_PROPERTIES = "payload_properties.txt"; -static constexpr const char* AB_OTA_PAYLOAD = "payload.bin"; -#define PUBLIC_KEYS_FILE "/res/keys" -static constexpr const char* METADATA_PATH = "META-INF/com/android/metadata"; -static constexpr const char* UNCRYPT_STATUS = "/cache/recovery/uncrypt_status"; - // Default allocation of progress bar segments to operations static constexpr int VERIFICATION_PROGRESS_TIME = 60; static constexpr float VERIFICATION_PROGRESS_FRACTION = 0.25; -static constexpr float DEFAULT_FILES_PROGRESS_FRACTION = 0.4; -static constexpr float DEFAULT_IMAGE_PROGRESS_FRACTION = 0.1; static std::condition_variable finish_log_temperature; @@ -87,62 +78,58 @@ static int parse_build_number(const std::string& str) { return -1; } -bool read_metadata_from_package(ZipArchiveHandle zip, std::string* meta_data) { - ZipString metadata_path(METADATA_PATH); - ZipEntry meta_entry; - if (meta_data == nullptr) { - LOG(ERROR) << "string* meta_data can't be nullptr"; - return false; - } - if (FindEntry(zip, metadata_path, &meta_entry) != 0) { - LOG(ERROR) << "Failed to find " << METADATA_PATH << " in update package"; - return false; - } +bool read_metadata_from_package(ZipArchiveHandle zip, std::string* metadata) { + CHECK(metadata != nullptr); - meta_data->resize(meta_entry.uncompressed_length, '\0'); - if (ExtractToMemory(zip, &meta_entry, reinterpret_cast<uint8_t*>(&(*meta_data)[0]), - meta_entry.uncompressed_length) != 0) { - LOG(ERROR) << "Failed to read metadata in update package"; - return false; - } - return true; + static constexpr const char* METADATA_PATH = "META-INF/com/android/metadata"; + ZipString path(METADATA_PATH); + ZipEntry entry; + if (FindEntry(zip, path, &entry) != 0) { + LOG(ERROR) << "Failed to find " << METADATA_PATH; + return false; + } + + uint32_t length = entry.uncompressed_length; + metadata->resize(length, '\0'); + int32_t err = ExtractToMemory(zip, &entry, reinterpret_cast<uint8_t*>(&(*metadata)[0]), length); + if (err != 0) { + LOG(ERROR) << "Failed to extract " << METADATA_PATH << ": " << ErrorCodeString(err); + return false; + } + return true; } // Read the build.version.incremental of src/tgt from the metadata and log it to last_install. static void read_source_target_build(ZipArchiveHandle zip, std::vector<std::string>& log_buffer) { - std::string meta_data; - if (!read_metadata_from_package(zip, &meta_data)) { - return; - } - // Examples of the pre-build and post-build strings in metadata: - // pre-build-incremental=2943039 - // post-build-incremental=2951741 - std::vector<std::string> lines = android::base::Split(meta_data, "\n"); - for (const std::string& line : lines) { - std::string str = android::base::Trim(line); - if (android::base::StartsWith(str, "pre-build-incremental")){ - int source_build = parse_build_number(str); - if (source_build != -1) { - log_buffer.push_back(android::base::StringPrintf("source_build: %d", - source_build)); - } - } else if (android::base::StartsWith(str, "post-build-incremental")) { - int target_build = parse_build_number(str); - if (target_build != -1) { - log_buffer.push_back(android::base::StringPrintf("target_build: %d", - target_build)); - } - } + std::string metadata; + if (!read_metadata_from_package(zip, &metadata)) { + return; + } + // Examples of the pre-build and post-build strings in metadata: + // pre-build-incremental=2943039 + // post-build-incremental=2951741 + std::vector<std::string> lines = android::base::Split(metadata, "\n"); + for (const std::string& line : lines) { + std::string str = android::base::Trim(line); + if (android::base::StartsWith(str, "pre-build-incremental")) { + int source_build = parse_build_number(str); + if (source_build != -1) { + log_buffer.push_back(android::base::StringPrintf("source_build: %d", source_build)); + } + } else if (android::base::StartsWith(str, "post-build-incremental")) { + int target_build = parse_build_number(str); + if (target_build != -1) { + log_buffer.push_back(android::base::StringPrintf("target_build: %d", target_build)); + } } + } } -// Extract the update binary from the open zip archive |zip| located at |path| -// and store into |cmd| the command line that should be called. The |status_fd| -// is the file descriptor the child process should use to report back the -// progress of the update. -static int -update_binary_command(const char* path, ZipArchiveHandle zip, int retry_count, - int status_fd, std::vector<std::string>* cmd); +// Extract the update binary from the open zip archive |zip| located at |path| and store into |cmd| +// the command line that should be called. The |status_fd| is the file descriptor the child process +// should use to report back the progress of the update. +int update_binary_command(const std::string& path, ZipArchiveHandle zip, int retry_count, + int status_fd, std::vector<std::string>* cmd); #ifdef AB_OTA_UPDATER @@ -224,87 +211,90 @@ static int check_newer_ab_build(ZipArchiveHandle zip) { return 0; } -static int -update_binary_command(const char* path, ZipArchiveHandle zip, int retry_count, - int status_fd, std::vector<std::string>* cmd) -{ - int ret = check_newer_ab_build(zip); - if (ret) { - return ret; - } +int update_binary_command(const std::string& path, ZipArchiveHandle zip, int retry_count, + int status_fd, std::vector<std::string>* cmd) { + CHECK(cmd != nullptr); + int ret = check_newer_ab_build(zip); + if (ret != 0) { + return ret; + } - // For A/B updates we extract the payload properties to a buffer and obtain - // the RAW payload offset in the zip file. - ZipString property_name(AB_OTA_PAYLOAD_PROPERTIES); - ZipEntry properties_entry; - if (FindEntry(zip, property_name, &properties_entry) != 0) { - LOG(ERROR) << "Can't find " << AB_OTA_PAYLOAD_PROPERTIES; - return INSTALL_CORRUPT; - } - std::vector<uint8_t> payload_properties( - properties_entry.uncompressed_length); - if (ExtractToMemory(zip, &properties_entry, payload_properties.data(), - properties_entry.uncompressed_length) != 0) { - LOG(ERROR) << "Can't extract " << AB_OTA_PAYLOAD_PROPERTIES; - return INSTALL_CORRUPT; - } + // For A/B updates we extract the payload properties to a buffer and obtain the RAW payload offset + // in the zip file. + static constexpr const char* AB_OTA_PAYLOAD_PROPERTIES = "payload_properties.txt"; + ZipString property_name(AB_OTA_PAYLOAD_PROPERTIES); + ZipEntry properties_entry; + if (FindEntry(zip, property_name, &properties_entry) != 0) { + LOG(ERROR) << "Failed to find " << AB_OTA_PAYLOAD_PROPERTIES; + return INSTALL_CORRUPT; + } + uint32_t properties_entry_length = properties_entry.uncompressed_length; + std::vector<uint8_t> payload_properties(properties_entry_length); + int32_t err = + ExtractToMemory(zip, &properties_entry, payload_properties.data(), properties_entry_length); + if (err != 0) { + LOG(ERROR) << "Failed to extract " << AB_OTA_PAYLOAD_PROPERTIES << ": " << ErrorCodeString(err); + return INSTALL_CORRUPT; + } - ZipString payload_name(AB_OTA_PAYLOAD); - ZipEntry payload_entry; - if (FindEntry(zip, payload_name, &payload_entry) != 0) { - LOG(ERROR) << "Can't find " << AB_OTA_PAYLOAD; - return INSTALL_CORRUPT; - } - long payload_offset = payload_entry.offset; - *cmd = { - "/sbin/update_engine_sideload", - android::base::StringPrintf("--payload=file://%s", path), - android::base::StringPrintf("--offset=%ld", payload_offset), - "--headers=" + std::string(payload_properties.begin(), - payload_properties.end()), - android::base::StringPrintf("--status_fd=%d", status_fd), - }; - return 0; + static constexpr const char* AB_OTA_PAYLOAD = "payload.bin"; + ZipString payload_name(AB_OTA_PAYLOAD); + ZipEntry payload_entry; + if (FindEntry(zip, payload_name, &payload_entry) != 0) { + LOG(ERROR) << "Failed to find " << AB_OTA_PAYLOAD; + return INSTALL_CORRUPT; + } + long payload_offset = payload_entry.offset; + *cmd = { + "/sbin/update_engine_sideload", + "--payload=file://" + path, + android::base::StringPrintf("--offset=%ld", payload_offset), + "--headers=" + std::string(payload_properties.begin(), payload_properties.end()), + android::base::StringPrintf("--status_fd=%d", status_fd), + }; + return 0; } #else // !AB_OTA_UPDATER -static int -update_binary_command(const char* path, ZipArchiveHandle zip, int retry_count, - int status_fd, std::vector<std::string>* cmd) -{ - // On traditional updates we extract the update binary from the package. - ZipString binary_name(ASSUMED_UPDATE_BINARY_NAME); - ZipEntry binary_entry; - if (FindEntry(zip, binary_name, &binary_entry) != 0) { - return INSTALL_CORRUPT; - } +int update_binary_command(const std::string& path, ZipArchiveHandle zip, int retry_count, + int status_fd, std::vector<std::string>* cmd) { + CHECK(cmd != nullptr); - const char* binary = "/tmp/update_binary"; - unlink(binary); - int fd = creat(binary, 0755); - if (fd < 0) { - PLOG(ERROR) << "Can't make " << binary; - return INSTALL_ERROR; - } - int error = ExtractEntryToFile(zip, &binary_entry, fd); - close(fd); + // On traditional updates we extract the update binary from the package. + static constexpr const char* UPDATE_BINARY_NAME = "META-INF/com/google/android/update-binary"; + ZipString binary_name(UPDATE_BINARY_NAME); + ZipEntry binary_entry; + if (FindEntry(zip, binary_name, &binary_entry) != 0) { + LOG(ERROR) << "Failed to find update binary " << UPDATE_BINARY_NAME; + return INSTALL_CORRUPT; + } - if (error != 0) { - LOG(ERROR) << "Can't copy " << ASSUMED_UPDATE_BINARY_NAME - << " : " << ErrorCodeString(error); - return INSTALL_ERROR; - } + const char* binary = "/tmp/update_binary"; + unlink(binary); + int fd = creat(binary, 0755); + if (fd == -1) { + PLOG(ERROR) << "Failed to create " << binary; + return INSTALL_ERROR; + } - *cmd = { - binary, - EXPAND(RECOVERY_API_VERSION), // defined in Android.mk - std::to_string(status_fd), - path, - }; - if (retry_count > 0) - cmd->push_back("retry"); - return 0; + int32_t error = ExtractEntryToFile(zip, &binary_entry, fd); + close(fd); + if (error != 0) { + LOG(ERROR) << "Failed to extract " << UPDATE_BINARY_NAME << ": " << ErrorCodeString(error); + return INSTALL_ERROR; + } + + *cmd = { + binary, + EXPAND(RECOVERY_API_VERSION), // defined in Android.mk + std::to_string(status_fd), + path, + }; + if (retry_count > 0) { + cmd->push_back("retry"); + } + return 0; } #endif // !AB_OTA_UPDATER @@ -546,10 +536,15 @@ bool verify_package_compatibility(ZipArchiveHandle package_zip) { } CloseArchive(zip_handle); - // TODO(b/36814503): Enable the actual verification when VintfObject::CheckCompatibility() lands. - // VintfObject::CheckCompatibility returns zero on success. - // return (android::vintf::VintfObject::CheckCompatibility(compatibility_info, true) == 0); - return true; + // VintfObjectRecovery::CheckCompatibility returns zero on success. + std::string err; + int result = android::vintf::VintfObjectRecovery::CheckCompatibility(compatibility_info, &err); + if (result == 0) { + return true; + } + + LOG(ERROR) << "Failed to verify package compatibility (result " << result << "): " << err; + return false; } static int @@ -601,7 +596,6 @@ really_install_package(const char *path, bool* wipe_cache, bool needs_mount, // Additionally verify the compatibility of the package. if (!verify_package_compatibility(zip)) { - LOG(ERROR) << "Failed to verify package compatibility"; log_buffer.push_back(android::base::StringPrintf("error: %d", kPackageCompatibilityFailure)); sysReleaseMap(&map); CloseArchive(zip); @@ -623,80 +617,80 @@ really_install_package(const char *path, bool* wipe_cache, bool needs_mount, return result; } -int -install_package(const char* path, bool* wipe_cache, const char* install_file, - bool needs_mount, int retry_count) -{ - modified_flash = true; - auto start = std::chrono::system_clock::now(); +int install_package(const char* path, bool* wipe_cache, const char* install_file, bool needs_mount, + int retry_count) { + modified_flash = true; + auto start = std::chrono::system_clock::now(); + + int start_temperature = GetMaxValueFromThermalZone(); + int max_temperature = start_temperature; + + int result; + std::vector<std::string> log_buffer; + if (setup_install_mounts() != 0) { + LOG(ERROR) << "failed to set up expected mounts for install; aborting"; + result = INSTALL_ERROR; + } else { + result = really_install_package(path, wipe_cache, needs_mount, log_buffer, retry_count, + &max_temperature); + } - int start_temperature = GetMaxValueFromThermalZone(); - int max_temperature = start_temperature; + // Measure the time spent to apply OTA update in seconds. + std::chrono::duration<double> duration = std::chrono::system_clock::now() - start; + int time_total = static_cast<int>(duration.count()); - int result; - std::vector<std::string> log_buffer; - if (setup_install_mounts() != 0) { - LOG(ERROR) << "failed to set up expected mounts for install; aborting"; - result = INSTALL_ERROR; + bool has_cache = volume_for_path("/cache") != nullptr; + // Skip logging the uncrypt_status on devices without /cache. + if (has_cache) { + static constexpr const char* UNCRYPT_STATUS = "/cache/recovery/uncrypt_status"; + if (ensure_path_mounted(UNCRYPT_STATUS) != 0) { + LOG(WARNING) << "Can't mount " << UNCRYPT_STATUS; } else { - result = really_install_package(path, wipe_cache, needs_mount, log_buffer, retry_count, - &max_temperature); - } - - // Measure the time spent to apply OTA update in seconds. - std::chrono::duration<double> duration = std::chrono::system_clock::now() - start; - int time_total = static_cast<int>(duration.count()); - - bool has_cache = volume_for_path("/cache") != nullptr; - // Skip logging the uncrypt_status on devices without /cache. - if (has_cache) { - if (ensure_path_mounted(UNCRYPT_STATUS) != 0) { - LOG(WARNING) << "Can't mount " << UNCRYPT_STATUS; + std::string uncrypt_status; + if (!android::base::ReadFileToString(UNCRYPT_STATUS, &uncrypt_status)) { + PLOG(WARNING) << "failed to read uncrypt status"; + } else if (!android::base::StartsWith(uncrypt_status, "uncrypt_")) { + LOG(WARNING) << "corrupted uncrypt_status: " << uncrypt_status; } else { - std::string uncrypt_status; - if (!android::base::ReadFileToString(UNCRYPT_STATUS, &uncrypt_status)) { - PLOG(WARNING) << "failed to read uncrypt status"; - } else if (!android::base::StartsWith(uncrypt_status, "uncrypt_")) { - LOG(WARNING) << "corrupted uncrypt_status: " << uncrypt_status; - } else { - log_buffer.push_back(android::base::Trim(uncrypt_status)); - } + log_buffer.push_back(android::base::Trim(uncrypt_status)); } } + } - // The first two lines need to be the package name and install result. - std::vector<std::string> log_header = { - path, - result == INSTALL_SUCCESS ? "1" : "0", - "time_total: " + std::to_string(time_total), - "retry: " + std::to_string(retry_count), - }; - - int end_temperature = GetMaxValueFromThermalZone(); - max_temperature = std::max(end_temperature, max_temperature); - if (start_temperature > 0) { - log_buffer.push_back("temperature_start: " + std::to_string(start_temperature)); - } - if (end_temperature > 0) { - log_buffer.push_back("temperature_end: " + std::to_string(end_temperature)); - } - if (max_temperature > 0) { - log_buffer.push_back("temperature_max: " + std::to_string(max_temperature)); - } + // The first two lines need to be the package name and install result. + std::vector<std::string> log_header = { + path, + result == INSTALL_SUCCESS ? "1" : "0", + "time_total: " + std::to_string(time_total), + "retry: " + std::to_string(retry_count), + }; + + int end_temperature = GetMaxValueFromThermalZone(); + max_temperature = std::max(end_temperature, max_temperature); + if (start_temperature > 0) { + log_buffer.push_back("temperature_start: " + std::to_string(start_temperature)); + } + if (end_temperature > 0) { + log_buffer.push_back("temperature_end: " + std::to_string(end_temperature)); + } + if (max_temperature > 0) { + log_buffer.push_back("temperature_max: " + std::to_string(max_temperature)); + } - std::string log_content = android::base::Join(log_header, "\n") + "\n" + - android::base::Join(log_buffer, "\n") + "\n"; - if (!android::base::WriteStringToFile(log_content, install_file)) { - PLOG(ERROR) << "failed to write " << install_file; - } + std::string log_content = + android::base::Join(log_header, "\n") + "\n" + android::base::Join(log_buffer, "\n") + "\n"; + if (!android::base::WriteStringToFile(log_content, install_file)) { + PLOG(ERROR) << "failed to write " << install_file; + } - // Write a copy into last_log. - LOG(INFO) << log_content; + // Write a copy into last_log. + LOG(INFO) << log_content; - return result; + return result; } bool verify_package(const unsigned char* package_data, size_t package_size) { + static constexpr const char* PUBLIC_KEYS_FILE = "/res/keys"; std::vector<Certificate> loadedKeys; if (!load_keys(PUBLIC_KEYS_FILE, loadedKeys)) { LOG(ERROR) << "Failed to load keys"; |