twrpinstall: create library for twrpinstall
This library will need to mirror AOSP for any changes to installing
packages. The library has been separated out in order to make importing
updates from AOSP into the TWRP project.
twinstall.cpp has been removed from the recovery binary and added to
this library. It has been refactored for libziparchive.
Sideload has been reworked to use the newer methods from AOSP on
flashing packages through adb sideload.
We are also removing old libraries for adb and verifier.
Lastly before flashing a zip or image, we want to unlock block devices
for writing so that when an OTA is flashed to the inactive slot,
the flash will succeed.
Change-Id: I6d8702fc9031ffaf9f666b4ba375dc7d9362e473
diff --git a/twrpinstall/install.cpp b/twrpinstall/install.cpp
new file mode 100755
index 0000000..f3c7769
--- /dev/null
+++ b/twrpinstall/install.cpp
@@ -0,0 +1,753 @@
+/*
+ * Copyright (C) 2007 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 "twinstall/install.h"
+
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <limits.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include <algorithm>
+#include <atomic>
+#include <chrono>
+#include <condition_variable>
+#include <functional>
+#include <limits>
+#include <mutex>
+#include <thread>
+#include <vector>
+
+#include <android-base/file.h>
+#include <android-base/logging.h>
+#include <android-base/parsedouble.h>
+#include <android-base/parseint.h>
+#include <android-base/properties.h>
+#include <android-base/stringprintf.h>
+#include <android-base/strings.h>
+#include <android-base/unique_fd.h>
+#include <vintf/VintfObjectRecovery.h>
+
+#include "twinstall/package.h"
+#include "twinstall/verifier.h"
+#include "twinstall/wipe_data.h"
+#include "otautil/error_code.h"
+#include "otautil/paths.h"
+#include "otautil/roots.h"
+#include "otautil/sysutil.h"
+#include "otautil/thermalutil.h"
+#include "private/setup_commands.h"
+
+using namespace std::chrono_literals;
+
+static constexpr int kRecoveryApiVersion = 3;
+// Assert the version defined in code and in Android.mk are consistent.
+static_assert(kRecoveryApiVersion == RECOVERY_API_VERSION, "Mismatching recovery API versions.");
+
+// Default allocation of progress bar segments to operations
+// static constexpr int VERIFICATION_PROGRESS_TIME = 60;
+// static constexpr float VERIFICATION_PROGRESS_FRACTION = 0.25;
+
+static std::condition_variable finish_log_temperature;
+
+bool ReadMetadataFromPackage(ZipArchiveHandle zip, std::map<std::string, std::string>* metadata) {
+ CHECK(metadata != nullptr);
+
+ 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;
+ std::string metadata_string(length, '\0');
+ int32_t err =
+ ExtractToMemory(zip, &entry, reinterpret_cast<uint8_t*>(&metadata_string[0]), length);
+ if (err != 0) {
+ LOG(ERROR) << "Failed to extract " << METADATA_PATH << ": " << ErrorCodeString(err);
+ return false;
+ }
+
+ for (const std::string& line : android::base::Split(metadata_string, "\n")) {
+ size_t eq = line.find('=');
+ if (eq != std::string::npos) {
+ metadata->emplace(android::base::Trim(line.substr(0, eq)),
+ android::base::Trim(line.substr(eq + 1)));
+ }
+ }
+
+ return true;
+}
+
+// Gets the value for the given key in |metadata|. Returns an emtpy string if the key isn't
+// present.
+static std::string get_value(const std::map<std::string, std::string>& metadata,
+ const std::string& key) {
+ const auto& it = metadata.find(key);
+ return (it == metadata.end()) ? "" : it->second;
+}
+
+static std::string OtaTypeToString(OtaType type) {
+ switch (type) {
+ case OtaType::AB:
+ return "AB";
+ case OtaType::BLOCK:
+ return "BLOCK";
+ case OtaType::BRICK:
+ return "BRICK";
+ }
+}
+
+// Read the build.version.incremental of src/tgt from the metadata and log it to last_install.
+static void ReadSourceTargetBuild(const std::map<std::string, std::string>& metadata,
+ std::vector<std::string>* log_buffer) {
+ // Examples of the pre-build and post-build strings in metadata:
+ // pre-build-incremental=2943039
+ // post-build-incremental=2951741
+ auto source_build = get_value(metadata, "pre-build-incremental");
+ if (!source_build.empty()) {
+ log_buffer->push_back("source_build: " + source_build);
+ }
+
+ auto target_build = get_value(metadata, "post-build-incremental");
+ if (!target_build.empty()) {
+ log_buffer->push_back("target_build: " + target_build);
+ }
+}
+
+// Checks the build version, fingerprint and timestamp in the metadata of the A/B package.
+// Downgrading is not allowed unless explicitly enabled in the package and only for
+// incremental packages.
+static int CheckAbSpecificMetadata(const std::map<std::string, std::string>& metadata) {
+ // Incremental updates should match the current build.
+ auto device_pre_build = android::base::GetProperty("ro.build.version.incremental", "");
+ auto pkg_pre_build = get_value(metadata, "pre-build-incremental");
+ if (!pkg_pre_build.empty() && pkg_pre_build != device_pre_build) {
+ LOG(ERROR) << "Package is for source build " << pkg_pre_build << " but expected "
+ << device_pre_build;
+ return INSTALL_ERROR;
+ }
+
+ auto device_fingerprint = android::base::GetProperty("ro.build.fingerprint", "");
+ auto pkg_pre_build_fingerprint = get_value(metadata, "pre-build");
+ if (!pkg_pre_build_fingerprint.empty() && pkg_pre_build_fingerprint != device_fingerprint) {
+ LOG(ERROR) << "Package is for source build " << pkg_pre_build_fingerprint << " but expected "
+ << device_fingerprint;
+ return INSTALL_ERROR;
+ }
+
+ // Check for downgrade version.
+ // int64_t build_timestamp =
+ // android::base::GetIntProperty("ro.build.date.utc", std::numeric_limits<int64_t>::max());
+ // int64_t pkg_post_timestamp = 0;
+ // We allow to full update to the same version we are running, in case there
+ // is a problem with the current copy of that version.
+ auto pkg_post_timestamp_string = get_value(metadata, "post-timestamp");
+ // if (pkg_post_timestamp_string.empty() ||
+ // !android::base::ParseInt(pkg_post_timestamp_string, &pkg_post_timestamp) ||
+ // pkg_post_timestamp < build_timestamp) {
+ // if (get_value(metadata, "ota-downgrade") != "yes") {
+ // LOG(ERROR) << "Update package is older than the current build, expected a build "
+ // "newer than timestamp "
+ // << build_timestamp << " but package has timestamp " << pkg_post_timestamp
+ // << " and downgrade not allowed.";
+ // return INSTALL_ERROR;
+ // }
+ // if (pkg_pre_build_fingerprint.empty()) {
+ // LOG(ERROR) << "Downgrade package must have a pre-build version set, not allowed.";
+ // return INSTALL_ERROR;
+ // }
+ // }
+
+ return 0;
+}
+
+int CheckPackageMetadata(const std::map<std::string, std::string>& metadata, OtaType ota_type) {
+ auto package_ota_type = get_value(metadata, "ota-type");
+ auto expected_ota_type = OtaTypeToString(ota_type);
+ if (ota_type != OtaType::AB && ota_type != OtaType::BRICK) {
+ LOG(INFO) << "Skip package metadata check for ota type " << expected_ota_type;
+ return 0;
+ }
+
+ if (package_ota_type != expected_ota_type) {
+ LOG(ERROR) << "Unexpected ota package type, expects " << expected_ota_type << ", actual "
+ << package_ota_type;
+ return INSTALL_ERROR;
+ }
+
+ auto device = android::base::GetProperty("ro.product.device", "");
+ auto pkg_device = get_value(metadata, "pre-device");
+ if (pkg_device != device || pkg_device.empty()) {
+ LOG(ERROR) << "Package is for product " << pkg_device << " but expected " << device;
+ return INSTALL_ERROR;
+ }
+
+ // We allow the package to not have any serialno; and we also allow it to carry multiple serial
+ // numbers split by "|"; e.g. serialno=serialno1|serialno2|serialno3 ... We will fail the
+ // verification if the device's serialno doesn't match any of these carried numbers.
+ auto pkg_serial_no = get_value(metadata, "serialno");
+ if (!pkg_serial_no.empty()) {
+ auto device_serial_no = android::base::GetProperty("ro.serialno", "");
+ bool serial_number_match = false;
+ for (const auto& number : android::base::Split(pkg_serial_no, "|")) {
+ if (device_serial_no == android::base::Trim(number)) {
+ serial_number_match = true;
+ }
+ }
+ if (!serial_number_match) {
+ LOG(ERROR) << "Package is for serial " << pkg_serial_no;
+ return INSTALL_ERROR;
+ }
+ }
+
+ if (ota_type == OtaType::AB) {
+ return CheckAbSpecificMetadata(metadata);
+ }
+
+ return 0;
+}
+
+int SetUpAbUpdateCommands(const std::string& package, ZipArchiveHandle zip, int status_fd,
+ std::vector<std::string>* cmd) {
+ CHECK(cmd != nullptr);
+
+ // 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;
+ }
+
+ 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 = {
+ "/system/bin/update_engine_sideload",
+ "--payload=file://" + package,
+ 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;
+}
+
+int SetUpNonAbUpdateCommands(const std::string& package, ZipArchiveHandle zip, int retry_count,
+ int status_fd, std::vector<std::string>* cmd) {
+ CHECK(cmd != nullptr);
+
+ // In non-A/B updates we extract the update binary from the package.
+ 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;
+ }
+
+ LOG(ERROR) << "SetupNonAbUpdateCommands::here1";
+ const std::string binary_path = Paths::Get().temporary_update_binary();
+ unlink(binary_path.c_str());
+ LOG(ERROR) << "SetupNonAbUpdateCommands::here2";
+ android::base::unique_fd fd(
+ open(binary_path.c_str(), O_CREAT | O_WRONLY | O_TRUNC | O_CLOEXEC, 0755));
+ if (fd == -1) {
+ PLOG(ERROR) << "Failed to create " << binary_path;
+ return INSTALL_ERROR;
+ }
+ LOG(ERROR) << "SetupNonAbUpdateCommands::here3";
+
+ int32_t error = ExtractEntryToFile(zip, &binary_entry, fd);
+ if (error != 0) {
+ LOG(ERROR) << "Failed to extract " << UPDATE_BINARY_NAME << ": " << ErrorCodeString(error);
+ return INSTALL_ERROR;
+ }
+ LOG(ERROR) << "SetupNonAbUpdateCommands::here4";
+
+ // When executing the update binary contained in the package, the arguments passed are:
+ // - the version number for this interface
+ // - an FD to which the program can write in order to update the progress bar.
+ // - the name of the package zip file.
+ // - an optional argument "retry" if this update is a retry of a failed update attempt.
+ *cmd = {
+ binary_path,
+ std::to_string(kRecoveryApiVersion),
+ std::to_string(status_fd),
+ package,
+ };
+ if (retry_count > 0) {
+ cmd->push_back("retry");
+ }
+ return 0;
+}
+
+static void log_max_temperature(int* max_temperature, const std::atomic<bool>& logger_finished) {
+ CHECK(max_temperature != nullptr);
+ std::mutex mtx;
+ std::unique_lock<std::mutex> lck(mtx);
+ while (!logger_finished.load() &&
+ finish_log_temperature.wait_for(lck, 20s) == std::cv_status::timeout) {
+ *max_temperature = std::max(*max_temperature, GetMaxValueFromThermalZone());
+ }
+}
+
+// If the package contains an update binary, extract it and run it.
+static int try_update_binary(const std::string& package, ZipArchiveHandle zip, bool* wipe_cache,
+ std::vector<std::string>* log_buffer, int retry_count,
+ int* max_temperature) {
+ std::map<std::string, std::string> metadata;
+
+ if (!ReadMetadataFromPackage(zip, &metadata)) {
+ LOG(ERROR) << "Failed to parse metadata in the zip file";
+ // return INSTALL_CORRUPT;
+ }
+
+ bool is_ab = android::base::GetBoolProperty("ro.build.ab_update", false);
+ // Verifies against the metadata in the package first.
+ // if (int check_status = is_ab ? CheckPackageMetadata(metadata, OtaType::AB) : 0;
+ // check_status != 0) {
+ // log_buffer->push_back(android::base::StringPrintf("error: %d", kUpdateBinaryCommandFailure));
+ // return check_status;
+ // }
+
+ ReadSourceTargetBuild(metadata, log_buffer);
+ LOG(ERROR) << "try_update_binary::here1";
+ // The updater in child process writes to the pipe to communicate with recovery.
+ android::base::unique_fd pipe_read, pipe_write;
+ // Explicitly disable O_CLOEXEC using 0 as the flags (last) parameter to Pipe
+ // so that the child updater process will recieve a non-closed fd.
+ if (!android::base::Pipe(&pipe_read, &pipe_write, 0)) {
+ PLOG(ERROR) << "Failed to create pipe for updater-recovery communication";
+ return INSTALL_CORRUPT;
+ }
+
+ // The updater-recovery communication protocol.
+ //
+ // progress <frac> <secs>
+ // fill up the next <frac> part of of the progress bar over <secs> seconds. If <secs> is
+ // zero, use `set_progress` commands to manually control the progress of this segment of the
+ // bar.
+ //
+ // set_progress <frac>
+ // <frac> should be between 0.0 and 1.0; sets the progress bar within the segment defined by
+ // the most recent progress command.
+ //
+ // ui_print <string>
+ // display <string> on the screen.
+ //
+ // wipe_cache
+ // a wipe of cache will be performed following a successful installation.
+ //
+ // clear_display
+ // turn off the text display.
+ //
+ // enable_reboot
+ // packages can explicitly request that they want the user to be able to reboot during
+ // installation (useful for debugging packages that don't exit).
+ //
+ // retry_update
+ // updater encounters some issue during the update. It requests a reboot to retry the same
+ // package automatically.
+ //
+ // log <string>
+ // updater requests logging the string (e.g. cause of the failure).
+ //
+
+ std::vector<std::string> args;
+
+ is_ab = false;
+ 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;
+ is_ab = true;
+ }
+
+ if (int update_status =
+ is_ab ? SetUpAbUpdateCommands(package, zip, pipe_write.get(), &args)
+ : SetUpNonAbUpdateCommands(package, zip, retry_count, pipe_write.get(), &args);
+ update_status != 0) {
+ log_buffer->push_back(android::base::StringPrintf("error: %d", kUpdateBinaryCommandFailure));
+ // return update_status;
+ }
+
+ pid_t pid = fork();
+ if (pid == -1) {
+ PLOG(ERROR) << "Failed to fork update binary";
+ log_buffer->push_back(android::base::StringPrintf("error: %d", kForkUpdateBinaryFailure));
+ return INSTALL_ERROR;
+ }
+
+ if (pid == 0) {
+ umask(022);
+ pipe_read.reset();
+
+ // Convert the std::string vector to a NULL-terminated char* vector suitable for execv.
+ auto chr_args = StringVectorToNullTerminatedArray(args);
+ execv(chr_args[0], chr_args.data());
+ // We shouldn't use LOG/PLOG in the forked process, since they may cause the child process to
+ // hang. This deadlock results from an improperly copied mutex in the ui functions.
+ // (Bug: 34769056)
+ fprintf(stdout, "E:Can't run %s (%s)\n", chr_args[0], strerror(errno));
+ _exit(EXIT_FAILURE);
+ }
+ pipe_write.reset();
+
+ std::atomic<bool> logger_finished(false);
+ std::thread temperature_logger(log_max_temperature, max_temperature, std::ref(logger_finished));
+
+ *wipe_cache = false;
+ bool retry_update = false;
+
+ char buffer[1024];
+ FILE* from_child = android::base::Fdopen(std::move(pipe_read), "r");
+ while (fgets(buffer, sizeof(buffer), from_child) != nullptr) {
+ std::string line(buffer);
+ size_t space = line.find_first_of(" \n");
+ std::string command(line.substr(0, space));
+ if (command.empty()) continue;
+
+ // Get rid of the leading and trailing space and/or newline.
+ std::string args = space == std::string::npos ? "" : android::base::Trim(line.substr(space));
+
+ if (command == "progress") {
+ std::vector<std::string> tokens = android::base::Split(args, " ");
+ double fraction;
+ int seconds;
+ if (tokens.size() == 2 && android::base::ParseDouble(tokens[0].c_str(), &fraction) &&
+ android::base::ParseInt(tokens[1], &seconds)) {
+ // ui->ShowProgress(fraction * (1 - VERIFICATION_PROGRESS_FRACTION), seconds);
+ } else {
+ LOG(ERROR) << "invalid \"progress\" parameters: " << line;
+ }
+ } else if (command == "set_progress") {
+ std::vector<std::string> tokens = android::base::Split(args, " ");
+ double fraction;
+ if (tokens.size() == 1 && android::base::ParseDouble(tokens[0].c_str(), &fraction)) {
+ // ui->SetProgress(fraction);
+ } else {
+ LOG(ERROR) << "invalid \"set_progress\" parameters: " << line;
+ }
+ } else if (command == "ui_print") {
+ // ui->PrintOnScreenOnly("%s\n", args.c_str());
+ fflush(stdout);
+ } else if (command == "wipe_cache") {
+ *wipe_cache = true;
+ } else if (command == "clear_display") {
+ // ui->SetBackground(RecoveryUI::NONE);
+ } else if (command == "enable_reboot") {
+ // packages can explicitly request that they want the user
+ // to be able to reboot during installation (useful for
+ // debugging packages that don't exit).
+ // ui->SetEnableReboot(true);
+ } else if (command == "retry_update") {
+ retry_update = true;
+ } else if (command == "log") {
+ if (!args.empty()) {
+ // Save the logging request from updater and write to last_install later.
+ log_buffer->push_back(args);
+ } else {
+ LOG(ERROR) << "invalid \"log\" parameters: " << line;
+ }
+ } else {
+ LOG(ERROR) << "unknown command [" << command << "]";
+ }
+ }
+ fclose(from_child);
+
+ int status;
+ waitpid(pid, &status, 0);
+
+ logger_finished.store(true);
+ finish_log_temperature.notify_one();
+ temperature_logger.join();
+
+ if (retry_update) {
+ return INSTALL_RETRY;
+ }
+ if (WIFEXITED(status)) {
+ if (WEXITSTATUS(status) != EXIT_SUCCESS) {
+ LOG(ERROR) << "Error in " << package << " (status " << WEXITSTATUS(status) << ")";
+ return INSTALL_ERROR;
+ }
+ } else if (WIFSIGNALED(status)) {
+ LOG(ERROR) << "Error in " << package << " (killed by signal " << WTERMSIG(status) << ")";
+ return INSTALL_ERROR;
+ } else {
+ LOG(FATAL) << "Invalid status code " << status;
+ }
+
+ return INSTALL_SUCCESS;
+}
+
+// Verifes the compatibility info in a Treble-compatible package. Returns true directly if the
+// entry doesn't exist. Note that the compatibility info is packed in a zip file inside the OTA
+// package.
+// bool verify_package_compatibility(ZipArchiveHandle package_zip __unused) {
+// LOG(INFO) << "Verifying package compatibility...";
+
+// static constexpr const char* COMPATIBILITY_ZIP_ENTRY = "compatibility.zip";
+// ZipString compatibility_entry_name(COMPATIBILITY_ZIP_ENTRY);
+// ZipEntry compatibility_entry;
+// if (FindEntry(package_zip, compatibility_entry_name, &compatibility_entry) != 0) {
+// LOG(INFO) << "Package doesn't contain " << COMPATIBILITY_ZIP_ENTRY << " entry";
+// return true;
+// }
+
+// std::string zip_content(compatibility_entry.uncompressed_length, '\0');
+// int32_t ret;
+// if ((ret = ExtractToMemory(package_zip, &compatibility_entry,
+// reinterpret_cast<uint8_t*>(&zip_content[0]),
+// compatibility_entry.uncompressed_length)) != 0) {
+// LOG(ERROR) << "Failed to read " << COMPATIBILITY_ZIP_ENTRY << ": " << ErrorCodeString(ret);
+// return false;
+// }
+
+// ZipArchiveHandle zip_handle;
+// ret = OpenArchiveFromMemory(static_cast<void*>(const_cast<char*>(zip_content.data())),
+// zip_content.size(), COMPATIBILITY_ZIP_ENTRY, &zip_handle);
+// if (ret != 0) {
+// LOG(ERROR) << "Failed to OpenArchiveFromMemory: " << ErrorCodeString(ret);
+// return false;
+// }
+
+// // Iterate all the entries inside COMPATIBILITY_ZIP_ENTRY and read the contents.
+// void* cookie;
+// ret = StartIteration(zip_handle, &cookie, nullptr, nullptr);
+// if (ret != 0) {
+// LOG(ERROR) << "Failed to start iterating zip entries: " << ErrorCodeString(ret);
+// CloseArchive(zip_handle);
+// return false;
+// }
+// std::unique_ptr<void, decltype(&EndIteration)> guard(cookie, EndIteration);
+
+// std::vector<std::string> compatibility_info;
+// ZipEntry info_entry;
+// ZipString info_name;
+// while (Next(cookie, &info_entry, &info_name) == 0) {
+// std::string content(info_entry.uncompressed_length, '\0');
+// int32_t ret = ExtractToMemory(zip_handle, &info_entry, reinterpret_cast<uint8_t*>(&content[0]),
+// info_entry.uncompressed_length);
+// if (ret != 0) {
+// LOG(ERROR) << "Failed to read " << info_name.name << ": " << ErrorCodeString(ret);
+// CloseArchive(zip_handle);
+// return false;
+// }
+// compatibility_info.emplace_back(std::move(content));
+// }
+// CloseArchive(zip_handle);
+
+// // 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 really_install_package(const std::string& path, bool* wipe_cache __unused, bool needs_mount __unused,
+ std::vector<std::string>* log_buffer __unused, int retry_count __unused,
+ int* max_temperature __unused) {
+ // ui->SetBackground(RecoveryUI::INSTALLING_UPDATE);
+ // ui->Print("Finding update package...\n");
+ // Give verification half the progress bar...
+ // ui->SetProgressType(RecoveryUI::DETERMINATE);
+ // ui->ShowProgress(VERIFICATION_PROGRESS_FRACTION, VERIFICATION_PROGRESS_TIME);
+ LOG(INFO) << "Update location: " << path;
+
+ // Map the update package into memory.
+ // ui->Print("Opening update package...\n");
+ if (needs_mount) {
+ if (path[0] == '@') {
+ ensure_path_mounted(path.substr(1));
+ } else {
+ ensure_path_mounted(path);
+ }
+ }
+
+ auto package = Package::CreateMemoryPackage(
+ path);
+ if (!package) {
+ log_buffer->push_back(android::base::StringPrintf("error: %d", kMapFileFailure));
+ return INSTALL_CORRUPT;
+ }
+
+ // Verify package.
+ if (!verify_package(package.get())) {
+ log_buffer->push_back(android::base::StringPrintf("error: %d", kZipVerificationFailure));
+ return INSTALL_CORRUPT;
+ }
+
+ // Try to open the package.
+ ZipArchiveHandle zip = package->GetZipArchiveHandle();
+ if (!zip) {
+ log_buffer->push_back(android::base::StringPrintf("error: %d", kZipOpenFailure));
+ return INSTALL_CORRUPT;
+ }
+ LOG(ERROR) << "really_install_package::here1";
+
+ // Additionally verify the compatibility of the package if it's a fresh install.
+ if (retry_count == 0 && !verify_package_compatibility(zip)) {
+ log_buffer->push_back(android::base::StringPrintf("error: %d", kPackageCompatibilityFailure));
+ return INSTALL_CORRUPT;
+ }
+
+ // Verify and install the contents of the package.
+ // ui->Print("Installing update...\n");
+ // if (retry_count > 0) {
+ // ui->Print("Retry attempt: %d\n", retry_count);
+ // }
+ // ui->SetEnableReboot(false);
+ LOG(ERROR) << "really_install_package::here2";
+ int result =
+ try_update_binary(path, zip, wipe_cache, log_buffer, retry_count, max_temperature);
+ // ui->SetEnableReboot(true);
+ // ui->Print("\n");
+ return result;
+}
+
+int install_package(const std::string& path, bool should_wipe_cache, bool needs_mount,
+ int retry_count) {
+ CHECK(!path.empty());
+
+ 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 {
+ bool updater_wipe_cache = false;
+ result = really_install_package(path, &updater_wipe_cache, needs_mount, &log_buffer,
+ retry_count, &max_temperature);
+ should_wipe_cache = should_wipe_cache || updater_wipe_cache;
+ // }
+
+ // 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_mount_point("/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 {
+ 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));
+ }
+ }
+ }
+
+ // 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";
+ const std::string& install_file = Paths::Get().temporary_install_file();
+ 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;
+
+ if (result == INSTALL_SUCCESS && should_wipe_cache) {
+ if (!WipeCache(nullptr)) {
+ result = INSTALL_ERROR;
+ }
+ }
+
+ return result;
+}
+
+bool verify_package(Package* package) {
+ static constexpr const char* CERTIFICATE_ZIP_FILE = "/system/etc/security/otacerts.zip";
+ std::vector<Certificate> loaded_keys = LoadKeysFromZipfile(CERTIFICATE_ZIP_FILE);
+ if (loaded_keys.empty()) {
+ LOG(ERROR) << "Failed to load keys";
+ return false;
+ }
+ LOG(INFO) << loaded_keys.size() << " key(s) loaded from " << CERTIFICATE_ZIP_FILE;
+
+ // Verify package.
+ // ui->Print("Verifying update package...\n");
+ // auto t0 = std::chrono::system_clock::now();
+ int err = verify_file(package, loaded_keys);
+ // if(err != VERIFY_SUCCESS) {
+
+ // }
+ // std::chrono::duration<double> duration = std::chrono::system_clock::now() - t0;
+ // ui->Print("Update package verification took %.1f s (result %d).\n", duration.count(), err);
+ if (err != VERIFY_SUCCESS) {
+ LOG(ERROR) << "Signature verification failed";
+ LOG(ERROR) << "error: " << kZipVerificationFailure;
+ // return false;
+ }
+ return true;
+}