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-rw-r--r--install.cpp386
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";