Snap for 6511878 from 7a6a01a09f79b5399d73263759c2e094d28c0f0a to rvc-release (02d11970) · Commits · e / os / android_system_core

adb/client/adb_install.cpp

+190 −109

Original line number	Diff line number	Diff line
		@@ -302,7 +302,7 @@ static int install_app_legacy(int argc, const char** argv, bool use_fastdeploy)
		}

		template <class TimePoint>
		static int msBetween(TimePoint start, TimePoint end) {
		static int ms_between(TimePoint start, TimePoint end) {
		return std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count();
		}

		@@ -350,7 +350,7 @@ static int install_app_incremental(int argc, const char** argv, bool wait, bool
		}

		const auto end = clock::now();
		printf("Install command complete in %d ms\n", msBetween(start, end));
		printf("Install command complete in %d ms\n", ms_between(start, end));

		if (wait) {
		(*server_process).wait();
		@@ -359,9 +359,9 @@ static int install_app_incremental(int argc, const char** argv, bool wait, bool
		return 0;
		}

		static std::pair<InstallMode, std::optional<InstallMode>> calculateInstallMode(
		InstallMode modeFromArgs, bool fastdeploy, CmdlineOption incrementalRequest) {
		if (incrementalRequest == CmdlineOption::Enable) {
		static std::pair<InstallMode, std::optional<InstallMode>> calculate_install_mode(
		InstallMode modeFromArgs, bool fastdeploy, CmdlineOption incremental_request) {
		if (incremental_request == CmdlineOption::Enable) {
		if (fastdeploy) {
		error_exit(
		"--incremental and --fast-deploy options are incompatible. "
		@@ -370,30 +370,30 @@ static std::pair<InstallMode, std::optional<InstallMode>> calculateInstallMode(
		}

		if (modeFromArgs != INSTALL_DEFAULT) {
		if (incrementalRequest == CmdlineOption::Enable) {
		if (incremental_request == CmdlineOption::Enable) {
		error_exit("--incremental is not compatible with other installation modes");
		}
		return {modeFromArgs, std::nullopt};
		}

		if (incrementalRequest != CmdlineOption::Disable && !is_abb_exec_supported()) {
		if (incrementalRequest == CmdlineOption::None) {
		incrementalRequest = CmdlineOption::Disable;
		if (incremental_request != CmdlineOption::Disable && !is_abb_exec_supported()) {
		if (incremental_request == CmdlineOption::None) {
		incremental_request = CmdlineOption::Disable;
		} else {
		error_exit("Device doesn't support incremental installations");
		}
		}
		if (incrementalRequest == CmdlineOption::None) {
		if (incremental_request == CmdlineOption::None) {
		// check if the host is ok with incremental by default
		if (const char* incrementalFromEnv = getenv("ADB_INSTALL_DEFAULT_INCREMENTAL")) {
		using namespace android::base;
		auto val = ParseBool(incrementalFromEnv);
		if (val == ParseBoolResult::kFalse) {
		incrementalRequest = CmdlineOption::Disable;
		incremental_request = CmdlineOption::Disable;
		}
		}
		}
		if (incrementalRequest == CmdlineOption::None) {
		if (incremental_request == CmdlineOption::None) {
		// still ok: let's see if the device allows using incremental by default
		// it starts feeling like we're looking for an excuse to not to use incremental...
		std::string error;
		@@ -409,17 +409,17 @@ static std::pair<InstallMode, std::optional<InstallMode>> calculateInstallMode(
		using namespace android::base;
		auto val = ParseBool(buf);
		if (val == ParseBoolResult::kFalse) {
		incrementalRequest = CmdlineOption::Disable;
		incremental_request = CmdlineOption::Disable;
		}
		}
		}

		if (incrementalRequest == CmdlineOption::Enable) {
		if (incremental_request == CmdlineOption::Enable) {
		// explicitly requested - no fallback
		return {INSTALL_INCREMENTAL, std::nullopt};
		}
		const auto bestMode = best_install_mode();
		if (incrementalRequest == CmdlineOption::None) {
		if (incremental_request == CmdlineOption::None) {
		// no opinion - use incremental, fallback to regular on a failure.
		return {INSTALL_INCREMENTAL, bestMode};
		}
		@@ -427,57 +427,75 @@ static std::pair<InstallMode, std::optional<InstallMode>> calculateInstallMode(
		return {bestMode, std::nullopt};
		}

		static std::vector<const char> parse_install_mode(std::vector<const char> argv,
		InstallMode* install_mode,
		CmdlineOption* incremental_request,
		bool* incremental_wait) {
		*install_mode = INSTALL_DEFAULT;
		*incremental_request = CmdlineOption::None;
		*incremental_wait = false;

		std::vector<const char*> passthrough;
		for (auto&& arg : argv) {
		if (arg == "--streaming"sv) {
		*install_mode = INSTALL_STREAM;
		} else if (arg == "--no-streaming"sv) {
		*install_mode = INSTALL_PUSH;
		} else if (strlen(arg) >= "--incr"sv.size() && "--incremental"sv.starts_with(arg)) {
		*incremental_request = CmdlineOption::Enable;
		} else if (strlen(arg) >= "--no-incr"sv.size() && "--no-incremental"sv.starts_with(arg)) {
		*incremental_request = CmdlineOption::Disable;
		} else if (arg == "--wait"sv) {
		*incremental_wait = true;
		} else {
		passthrough.push_back(arg);
		}
		}
		return passthrough;
		}

		static std::vector<const char*> parse_fast_deploy_mode(
		std::vector<const char> argv, bool use_fastdeploy,
		FastDeploy_AgentUpdateStrategy* agent_update_strategy) {
		*use_fastdeploy = false;
		*agent_update_strategy = FastDeploy_AgentUpdateDifferentVersion;

		std::vector<const char*> passthrough;
		for (auto&& arg : argv) {
		if (arg == "--fastdeploy"sv) {
		*use_fastdeploy = true;
		} else if (arg == "--no-fastdeploy"sv) {
		*use_fastdeploy = false;
		} else if (arg == "--force-agent"sv) {
		*agent_update_strategy = FastDeploy_AgentUpdateAlways;
		} else if (arg == "--date-check-agent"sv) {
		*agent_update_strategy = FastDeploy_AgentUpdateNewerTimeStamp;
		} else if (arg == "--version-check-agent"sv) {
		*agent_update_strategy = FastDeploy_AgentUpdateDifferentVersion;
		} else {
		passthrough.push_back(arg);
		}
		}
		return passthrough;
		}

		int install_app(int argc, const char** argv) {
		std::vector<int> processedArgIndices;
		InstallMode installMode = INSTALL_DEFAULT;
		bool use_fastdeploy = false;
		bool is_reinstall = false;
		bool wait = false;
		InstallMode install_mode = INSTALL_DEFAULT;
		auto incremental_request = CmdlineOption::None;
		bool incremental_wait = false;

		bool use_fastdeploy = false;
		FastDeploy_AgentUpdateStrategy agent_update_strategy = FastDeploy_AgentUpdateDifferentVersion;

		for (int i = 1; i < argc; i++) {
		if (argv[i] == "--streaming"sv) {
		processedArgIndices.push_back(i);
		installMode = INSTALL_STREAM;
		} else if (argv[i] == "--no-streaming"sv) {
		processedArgIndices.push_back(i);
		installMode = INSTALL_PUSH;
		} else if (argv[i] == "-r"sv) {
		// Note that this argument is not added to processedArgIndices because it
		// must be passed through to pm
		is_reinstall = true;
		} else if (argv[i] == "--fastdeploy"sv) {
		processedArgIndices.push_back(i);
		use_fastdeploy = true;
		} else if (argv[i] == "--no-fastdeploy"sv) {
		processedArgIndices.push_back(i);
		use_fastdeploy = false;
		} else if (argv[i] == "--force-agent"sv) {
		processedArgIndices.push_back(i);
		agent_update_strategy = FastDeploy_AgentUpdateAlways;
		} else if (argv[i] == "--date-check-agent"sv) {
		processedArgIndices.push_back(i);
		agent_update_strategy = FastDeploy_AgentUpdateNewerTimeStamp;
		} else if (argv[i] == "--version-check-agent"sv) {
		processedArgIndices.push_back(i);
		agent_update_strategy = FastDeploy_AgentUpdateDifferentVersion;
		} else if (strlen(argv[i]) >= "--incr"sv.size() && "--incremental"sv.starts_with(argv[i])) {
		processedArgIndices.push_back(i);
		incremental_request = CmdlineOption::Enable;
		} else if (strlen(argv[i]) >= "--no-incr"sv.size() &&
		"--no-incremental"sv.starts_with(argv[i])) {
		processedArgIndices.push_back(i);
		incremental_request = CmdlineOption::Disable;
		} else if (argv[i] == "--wait"sv) {
		processedArgIndices.push_back(i);
		wait = true;
		}
		}
		auto unused_argv = parse_install_mode({argv, argv + argc}, &install_mode, &incremental_request,
		&incremental_wait);
		auto passthrough_argv =
		parse_fast_deploy_mode(std::move(unused_argv), &use_fastdeploy, &agent_update_strategy);

		auto [primaryMode, fallbackMode] =
		calculateInstallMode(installMode, use_fastdeploy, incremental_request);
		if ((primaryMode == INSTALL_STREAM \|\| fallbackMode.value_or(INSTALL_PUSH) == INSTALL_STREAM) &&
		auto [primary_mode, fallback_mode] =
		calculate_install_mode(install_mode, use_fastdeploy, incremental_request);
		if ((primary_mode == INSTALL_STREAM \|\|
		fallback_mode.value_or(INSTALL_PUSH) == INSTALL_STREAM) &&
		best_install_mode() == INSTALL_PUSH) {
		error_exit("Attempting to use streaming install on unsupported device");
		}
		@@ -491,19 +509,12 @@ int install_app(int argc, const char** argv) {
		}
		fastdeploy_set_agent_update_strategy(agent_update_strategy);

		std::vector<const char*> passthrough_argv;
		for (int i = 0; i < argc; i++) {
		if (std::find(processedArgIndices.begin(), processedArgIndices.end(), i) ==
		processedArgIndices.end()) {
		passthrough_argv.push_back(argv[i]);
		}
		}
		if (passthrough_argv.size() < 2) {
		error_exit("install requires an apk argument");
		}

		auto runInstallMode = [&](InstallMode installMode, bool silent) {
		switch (installMode) {
		auto run_install_mode = [&](InstallMode install_mode, bool silent) {
		switch (install_mode) {
		case INSTALL_PUSH:
		return install_app_legacy(passthrough_argv.size(), passthrough_argv.data(),
		use_fastdeploy);
		@@ -512,20 +523,20 @@ int install_app(int argc, const char** argv) {
		use_fastdeploy);
		case INSTALL_INCREMENTAL:
		return install_app_incremental(passthrough_argv.size(), passthrough_argv.data(),
		wait, silent);
		incremental_wait, silent);
		case INSTALL_DEFAULT:
		default:
		return 1;
		error_exit("invalid install mode");
		}
		};
		auto res = runInstallMode(primaryMode, fallbackMode.has_value());
		if (res && fallbackMode.value_or(primaryMode) != primaryMode) {
		res = runInstallMode(*fallbackMode, false);
		auto res = run_install_mode(primary_mode, fallback_mode.has_value());
		if (res && fallback_mode.value_or(primary_mode) != primary_mode) {
		res = run_install_mode(*fallback_mode, false);
		}
		return res;
		}

		int install_multiple_app(int argc, const char** argv) {
		static int install_multiple_app_streamed(int argc, const char** argv) {
		// Find all APK arguments starting at end.
		// All other arguments passed through verbatim.
		int first_apk = -1;
		@@ -551,7 +562,6 @@ int install_multiple_app(int argc, const char** argv) {
		if (first_apk == -1) error_exit("need APK file on command line");

		const bool use_abb_exec = is_abb_exec_supported();

		const std::string install_cmd =
		use_abb_exec ? "package"
		: best_install_mode() == INSTALL_PUSH ? "exec:pm" : "exec:cmd package";
		@@ -674,6 +684,44 @@ finalize_session:
		return EXIT_SUCCESS;
		}

		int install_multiple_app(int argc, const char** argv) {
		InstallMode install_mode = INSTALL_DEFAULT;
		auto incremental_request = CmdlineOption::None;
		bool incremental_wait = false;
		bool use_fastdeploy = false;

		auto passthrough_argv = parse_install_mode({argv + 1, argv + argc}, &install_mode,
		&incremental_request, &incremental_wait);

		auto [primary_mode, fallback_mode] =
		calculate_install_mode(install_mode, use_fastdeploy, incremental_request);
		if ((primary_mode == INSTALL_STREAM \|\|
		fallback_mode.value_or(INSTALL_PUSH) == INSTALL_STREAM) &&
		best_install_mode() == INSTALL_PUSH) {
		error_exit("Attempting to use streaming install on unsupported device");
		}

		auto run_install_mode = [&](InstallMode install_mode, bool silent) {
		switch (install_mode) {
		case INSTALL_PUSH:
		case INSTALL_STREAM:
		return install_multiple_app_streamed(passthrough_argv.size(),
		passthrough_argv.data());
		case INSTALL_INCREMENTAL:
		return install_app_incremental(passthrough_argv.size(), passthrough_argv.data(),
		incremental_wait, silent);
		case INSTALL_DEFAULT:
		default:
		error_exit("invalid install mode");
		}
		};
		auto res = run_install_mode(primary_mode, fallback_mode.has_value());
		if (res && fallback_mode.value_or(primary_mode) != primary_mode) {
		res = run_install_mode(*fallback_mode, false);
		}
		return res;
		}

		int install_multi_package(int argc, const char** argv) {
		// Find all APK arguments starting at end.
		// All other arguments passed through verbatim.
		@@ -698,23 +746,31 @@ int install_multi_package(int argc, const char** argv) {
		fprintf(stderr, "adb: multi-package install is not supported on this device\n");
		return EXIT_FAILURE;
		}
		std::string install_cmd = "exec:cmd package";

		std::string multi_package_cmd =
		android::base::StringPrintf("%s install-create --multi-package", install_cmd.c_str());
		const bool use_abb_exec = is_abb_exec_supported();
		const std::string install_cmd = use_abb_exec ? "package" : "exec:cmd package";

		std::vector<std::string> multi_package_cmd_args = {install_cmd, "install-create",
		"--multi-package"};

		multi_package_cmd_args.reserve(first_package + 4);
		for (int i = 1; i < first_package; i++) {
		multi_package_cmd += " " + escape_arg(argv[i]);
		if (use_abb_exec) {
		multi_package_cmd_args.push_back(argv[i]);
		} else {
		multi_package_cmd_args.push_back(escape_arg(argv[i]));
		}
		}

		if (apex_found) {
		multi_package_cmd += " --staged";
		multi_package_cmd_args.emplace_back("--staged");
		}

		// Create multi-package install session
		std::string error;
		char buf[BUFSIZ];
		{
		unique_fd fd(adb_connect(multi_package_cmd, &error));
		unique_fd fd = send_command(multi_package_cmd_args, &error);
		if (fd < 0) {
		fprintf(stderr, "adb: connect error for create multi-package: %s\n", error.c_str());
		return EXIT_FAILURE;
		@@ -736,6 +792,7 @@ int install_multi_package(int argc, const char** argv) {
		fputs(buf, stderr);
		return EXIT_FAILURE;
		}
		const auto parent_session_id_str = std::to_string(parent_session_id);

		fprintf(stdout, "Created parent session ID %d.\n", parent_session_id);

		@@ -743,17 +800,30 @@ int install_multi_package(int argc, const char** argv) {

		// Valid session, now create the individual sessions and stream the APKs
		int success = EXIT_FAILURE;
		std::string individual_cmd =
		android::base::StringPrintf("%s install-create", install_cmd.c_str());
		std::string all_session_ids = "";
		std::vector<std::string> individual_cmd_args = {install_cmd, "install-create"};
		for (int i = 1; i < first_package; i++) {
		individual_cmd += " " + escape_arg(argv[i]);
		if (use_abb_exec) {
		individual_cmd_args.push_back(argv[i]);
		} else {
		individual_cmd_args.push_back(escape_arg(argv[i]));
		}
		}
		if (apex_found) {
		individual_cmd_args.emplace_back("--staged");
		}

		std::vector<std::string> individual_apex_cmd_args;
		if (apex_found) {
		individual_cmd += " --staged";
		individual_apex_cmd_args = individual_cmd_args;
		individual_apex_cmd_args.emplace_back("--apex");
		}
		std::string individual_apex_cmd = individual_cmd + " --apex";
		std::string cmd = "";

		std::vector<std::string> add_session_cmd_args = {
		install_cmd,
		"install-add-session",
		parent_session_id_str,
		};

		for (int i = first_package; i < argc; i++) {
		const char* file = argv[i];
		char buf[BUFSIZ];
		@@ -761,9 +831,9 @@ int install_multi_package(int argc, const char** argv) {
		unique_fd fd;
		// Create individual install session
		if (android::base::EndsWithIgnoreCase(file, ".apex")) {
		fd.reset(adb_connect(individual_apex_cmd, &error));
		fd = send_command(individual_apex_cmd_args, &error);
		} else {
		fd.reset(adb_connect(individual_cmd, &error));
		fd = send_command(individual_cmd_args, &error);
		}
		if (fd < 0) {
		fprintf(stderr, "adb: connect error for create: %s\n", error.c_str());
		@@ -786,6 +856,7 @@ int install_multi_package(int argc, const char** argv) {
		fputs(buf, stderr);
		goto finalize_multi_package_session;
		}
		const auto session_id_str = std::to_string(session_id);

		fprintf(stdout, "Created child session ID %d.\n", session_id);
		session_ids.push_back(session_id);
		@@ -800,10 +871,15 @@ int install_multi_package(int argc, const char** argv) {
		goto finalize_multi_package_session;
		}

		std::string cmd = android::base::StringPrintf(
		"%s install-write -S %" PRIu64 " %d %d_%s -", install_cmd.c_str(),
		static_cast<uint64_t>(sb.st_size), session_id, i,
		android::base::Basename(split).c_str());
		std::vector<std::string> cmd_args = {
		install_cmd,
		"install-write",
		"-S",
		std::to_string(sb.st_size),
		session_id_str,
		android::base::StringPrintf("%d_%s", i, android::base::Basename(file).c_str()),
		"-",
		};

		unique_fd local_fd(adb_open(split.c_str(), O_RDONLY \| O_CLOEXEC));
		if (local_fd < 0) {
		@@ -812,7 +888,7 @@ int install_multi_package(int argc, const char** argv) {
		}

		std::string error;
		unique_fd remote_fd(adb_connect(cmd, &error));
		unique_fd remote_fd = send_command(cmd_args, &error);
		if (remote_fd < 0) {
		fprintf(stderr, "adb: connect error for write: %s\n", error.c_str());
		goto finalize_multi_package_session;
		@@ -831,13 +907,11 @@ int install_multi_package(int argc, const char** argv) {
		goto finalize_multi_package_session;
		}
		}
		all_session_ids += android::base::StringPrintf(" %d", session_id);
		add_session_cmd_args.push_back(std::to_string(session_id));
		}

		cmd = android::base::StringPrintf("%s install-add-session %d%s", install_cmd.c_str(),
		parent_session_id, all_session_ids.c_str());
		{
		unique_fd fd(adb_connect(cmd, &error));
		unique_fd fd = send_command(add_session_cmd_args, &error);
		if (fd < 0) {
		fprintf(stderr, "adb: connect error for install-add-session: %s\n", error.c_str());
		goto finalize_multi_package_session;
		@@ -846,7 +920,8 @@ int install_multi_package(int argc, const char** argv) {
		}

		if (strncmp("Success", buf, 7)) {
		fprintf(stderr, "adb: failed to link sessions (%s)\n", cmd.c_str());
		fprintf(stderr, "adb: failed to link sessions (%s)\n",
		android::base::Join(add_session_cmd_args, " ").c_str());
		fputs(buf, stderr);
		goto finalize_multi_package_session;
		}
		@@ -856,11 +931,14 @@ int install_multi_package(int argc, const char** argv) {

		finalize_multi_package_session:
		// Commit session if we streamed everything okay; otherwise abandon
		std::string service =
		android::base::StringPrintf("%s install-%s %d", install_cmd.c_str(),
		success == 0 ? "commit" : "abandon", parent_session_id);
		std::vector<std::string> service_args = {
		install_cmd,
		success == 0 ? "install-commit" : "install-abandon",
		parent_session_id_str,
		};

		{
		unique_fd fd(adb_connect(service, &error));
		unique_fd fd = send_command(service_args, &error);
		if (fd < 0) {
		fprintf(stderr, "adb: connect error for finalize: %s\n", error.c_str());
		return EXIT_FAILURE;
		@@ -881,10 +959,13 @@ finalize_multi_package_session:
		session_ids.push_back(parent_session_id);
		// try to abandon all remaining sessions
		for (std::size_t i = 0; i < session_ids.size(); i++) {
		service = android::base::StringPrintf("%s install-abandon %d", install_cmd.c_str(),
		session_ids[i]);
		std::vector<std::string> service_args = {
		install_cmd,
		"install-abandon",
		std::to_string(session_ids[i]),
		};
		fprintf(stderr, "Attempting to abandon session ID %d\n", session_ids[i]);
		unique_fd fd(adb_connect(service, &error));
		unique_fd fd = send_command(service_args, &error);
		if (fd < 0) {
		fprintf(stderr, "adb: connect error for finalize: %s\n", error.c_str());
		continue;

fs_mgr/libfs_avb/avb_util.cpp

+58 −0

Original line number	Diff line number	Diff line
		@@ -124,6 +124,64 @@ bool HashtreeDmVeritySetup(FstabEntry* fstab_entry, const FsAvbHashtreeDescripto
		return true;
		}

		std::unique_ptr<FsAvbHashDescriptor> GetHashDescriptor(
		const std::string& partition_name, const std::vector<VBMetaData>& vbmeta_images) {
		bool found = false;
		const uint8_t* desc_partition_name;
		auto hash_desc = std::make_unique<FsAvbHashDescriptor>();

		for (const auto& vbmeta : vbmeta_images) {
		size_t num_descriptors;
		std::unique_ptr<const AvbDescriptor*[], decltype(&avb_free)> descriptors(
		avb_descriptor_get_all(vbmeta.data(), vbmeta.size(), &num_descriptors), avb_free);

		if (!descriptors \|\| num_descriptors < 1) {
		continue;
		}

		for (size_t n = 0; n < num_descriptors && !found; n++) {
		AvbDescriptor desc;
		if (!avb_descriptor_validate_and_byteswap(descriptors[n], &desc)) {
		LWARNING << "Descriptor[" << n << "] is invalid";
		continue;
		}
		if (desc.tag == AVB_DESCRIPTOR_TAG_HASH) {
		desc_partition_name = (const uint8_t*)descriptors[n] + sizeof(AvbHashDescriptor);
		if (!avb_hash_descriptor_validate_and_byteswap((AvbHashDescriptor*)descriptors[n],
		hash_desc.get())) {
		continue;
		}
		if (hash_desc->partition_name_len != partition_name.length()) {
		continue;
		}
		// Notes that desc_partition_name is not NUL-terminated.
		std::string hash_partition_name((const char*)desc_partition_name,
		hash_desc->partition_name_len);
		if (hash_partition_name == partition_name) {
		found = true;
		}
		}
		}

		if (found) break;
		}

		if (!found) {
		LERROR << "Hash descriptor not found: " << partition_name;
		return nullptr;
		}

		hash_desc->partition_name = partition_name;

		const uint8_t* desc_salt = desc_partition_name + hash_desc->partition_name_len;
		hash_desc->salt = BytesToHex(desc_salt, hash_desc->salt_len);

		const uint8_t* desc_digest = desc_salt + hash_desc->salt_len;
		hash_desc->digest = BytesToHex(desc_digest, hash_desc->digest_len);

		return hash_desc;
		}

		std::unique_ptr<FsAvbHashtreeDescriptor> GetHashtreeDescriptor(
		const std::string& partition_name, const std::vector<VBMetaData>& vbmeta_images) {
		bool found = false;

fs_mgr/libfs_avb/avb_util.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -40,6 +40,9 @@ struct ChainInfo {
		std::string GetAvbPropertyDescriptor(const std::string& key,
		const std::vector<VBMetaData>& vbmeta_images);

		std::unique_ptr<FsAvbHashDescriptor> GetHashDescriptor(
		const std::string& partition_name, const std::vector<VBMetaData>& vbmeta_images);

		// AvbHashtreeDescriptor to dm-verity table setup.
		std::unique_ptr<FsAvbHashtreeDescriptor> GetHashtreeDescriptor(
		const std::string& partition_name, const std::vector<VBMetaData>& vbmeta_images);

fs_mgr/libfs_avb/fs_avb_util.cpp

+10 −0

Original line number	Diff line number	Diff line
		@@ -74,5 +74,15 @@ std::unique_ptr<FsAvbHashtreeDescriptor> GetHashtreeDescriptor(
		return GetHashtreeDescriptor(avb_partition_name, vbmeta_images);
		}

		// Given a path, loads and verifies the vbmeta, to extract the Avb Hash descriptor.
		std::unique_ptr<FsAvbHashDescriptor> GetHashDescriptor(const std::string& avb_partition_name,
		VBMetaData&& vbmeta) {
		if (!vbmeta.size()) return nullptr;

		std::vector<VBMetaData> vbmeta_images;
		vbmeta_images.emplace_back(std::move(vbmeta));
		return GetHashDescriptor(avb_partition_name, vbmeta_images);
		}

		} // namespace fs_mgr
		} // namespace android

fs_mgr/libfs_avb/include/fs_avb/fs_avb_util.h

+11 −0

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