Merge "Split dumpstate's execution into shorter functions" am: 1f4bf70497 (39218361) · Commits · e / os / platform_frameworks_native

cmds/dumpstate/dumpstate.cpp

+228 −203

Original line number	Diff line number	Diff line
		@@ -1376,6 +1376,54 @@ static void dumpstate() {
		printf("========================================================\n");
		}

		/* Dumps state for the default case. Returns true if everything went fine. */
		static bool DumpstateDefault() {
		// Dumps systrace right away, otherwise it will be filled with unnecessary events.
		// First try to dump anrd trace if the daemon is running. Otherwise, dump
		// the raw trace.
		if (!dump_anrd_trace()) {
		dump_systrace();
		}

		// Invoking the following dumpsys calls before dump_traces() to try and
		// keep the system stats as close to its initial state as possible.
		RunDumpsysCritical();

		/* collect stack traces from Dalvik and native processes (needs root) */
		dump_traces_path = dump_traces();

		/* Run some operations that require root. */
		ds.tombstone_data_ = GetDumpFds(TOMBSTONE_DIR, TOMBSTONE_FILE_PREFIX, !ds.IsZipping());
		ds.anr_data_ = GetDumpFds(ANR_DIR, ANR_FILE_PREFIX, !ds.IsZipping());

		ds.AddDir(RECOVERY_DIR, true);
		ds.AddDir(RECOVERY_DATA_DIR, true);
		ds.AddDir(UPDATE_ENGINE_LOG_DIR, true);
		ds.AddDir(LOGPERSIST_DATA_DIR, false);
		if (!PropertiesHelper::IsUserBuild()) {
		ds.AddDir(PROFILE_DATA_DIR_CUR, true);
		ds.AddDir(PROFILE_DATA_DIR_REF, true);
		}
		add_mountinfo();
		DumpIpTablesAsRoot();

		// Capture any IPSec policies in play. No keys are exposed here.
		RunCommand("IP XFRM POLICY", {"ip", "xfrm", "policy"}, CommandOptions::WithTimeout(10).Build());

		// Run ss as root so we can see socket marks.
		RunCommand("DETAILED SOCKET STATE", {"ss", "-eionptu"}, CommandOptions::WithTimeout(10).Build());

		// Run iotop as root to show top 100 IO threads
		RunCommand("IOTOP", {"iotop", "-n", "1", "-m", "100"});

		if (!DropRootUser()) {
		return false;
		}

		dumpstate();
		return true;
		}

		// This method collects common dumpsys for telephony and wifi
		static void DumpstateRadioCommon() {
		DumpIpTablesAsRoot();
		@@ -1716,6 +1764,178 @@ static void Vibrate(int duration_ms) {
		// clang-format on
		}

		/*
		* Prepares state like filename, screenshot path, etc in Dumpstate. Also initializes ZipWriter
		* if we are writing zip files and adds the version file.
		*/
		static void PrepareToWriteToFile() {
		const Dumpstate::DumpOptions& options = ds.options_;
		ds.bugreport_dir_ = dirname(options.use_outfile.c_str());
		std::string build_id = android::base::GetProperty("ro.build.id", "UNKNOWN_BUILD");
		std::string device_name = android::base::GetProperty("ro.product.name", "UNKNOWN_DEVICE");
		ds.base_name_ = android::base::StringPrintf("%s-%s-%s", basename(options.use_outfile.c_str()),
		device_name.c_str(), build_id.c_str());
		if (options.do_add_date) {
		char date[80];
		strftime(date, sizeof(date), "%Y-%m-%d-%H-%M-%S", localtime(&ds.now_));
		ds.name_ = date;
		} else {
		ds.name_ = "undated";
		}

		if (options.telephony_only) {
		ds.base_name_ += "-telephony";
		} else if (options.wifi_only) {
		ds.base_name_ += "-wifi";
		}

		if (options.do_fb) {
		ds.screenshot_path_ = ds.GetPath(".png");
		}
		ds.tmp_path_ = ds.GetPath(".tmp");
		ds.log_path_ = ds.GetPath("-dumpstate_log-" + std::to_string(ds.pid_) + ".txt");

		MYLOGD(
		"Bugreport dir: %s\n"
		"Base name: %s\n"
		"Suffix: %s\n"
		"Log path: %s\n"
		"Temporary path: %s\n"
		"Screenshot path: %s\n",
		ds.bugreport_dir_.c_str(), ds.base_name_.c_str(), ds.name_.c_str(), ds.log_path_.c_str(),
		ds.tmp_path_.c_str(), ds.screenshot_path_.c_str());

		if (options.do_zip_file) {
		ds.path_ = ds.GetPath(".zip");
		MYLOGD("Creating initial .zip file (%s)\n", ds.path_.c_str());
		create_parent_dirs(ds.path_.c_str());
		ds.zip_file.reset(fopen(ds.path_.c_str(), "wb"));
		if (ds.zip_file == nullptr) {
		MYLOGE("fopen(%s, 'wb'): %s\n", ds.path_.c_str(), strerror(errno));
		} else {
		ds.zip_writer_.reset(new ZipWriter(ds.zip_file.get()));
		}
		ds.AddTextZipEntry("version.txt", ds.version_);
		}
		}

		/*
		* Finalizes writing to the file by renaming or zipping the tmp file to the final location,
		* printing zipped file status, etc.
		*/
		static void FinalizeFile() {
		const Dumpstate::DumpOptions& options = ds.options_;
		/* check if user changed the suffix using system properties */
		std::string name =
		android::base::GetProperty(android::base::StringPrintf("dumpstate.%d.name", ds.pid_), "");
		bool change_suffix = false;
		if (!name.empty()) {
		/* must whitelist which characters are allowed, otherwise it could cross directories */
		std::regex valid_regex("^[-_a-zA-Z0-9]+$");
		if (std::regex_match(name.c_str(), valid_regex)) {
		change_suffix = true;
		} else {
		MYLOGE("invalid suffix provided by user: %s\n", name.c_str());
		}
		}
		if (change_suffix) {
		MYLOGI("changing suffix from %s to %s\n", ds.name_.c_str(), name.c_str());
		ds.name_ = name;
		if (!ds.screenshot_path_.empty()) {
		std::string new_screenshot_path = ds.GetPath(".png");
		if (rename(ds.screenshot_path_.c_str(), new_screenshot_path.c_str())) {
		MYLOGE("rename(%s, %s): %s\n", ds.screenshot_path_.c_str(),
		new_screenshot_path.c_str(), strerror(errno));
		} else {
		ds.screenshot_path_ = new_screenshot_path;
		}
		}
		}

		bool do_text_file = true;
		if (options.do_zip_file) {
		if (!ds.FinishZipFile()) {
		MYLOGE("Failed to finish zip file; sending text bugreport instead\n");
		do_text_file = true;
		} else {
		do_text_file = false;
		// Since zip file is already created, it needs to be renamed.
		std::string new_path = ds.GetPath(".zip");
		if (ds.path_ != new_path) {
		MYLOGD("Renaming zip file from %s to %s\n", ds.path_.c_str(), new_path.c_str());
		if (rename(ds.path_.c_str(), new_path.c_str())) {
		MYLOGE("rename(%s, %s): %s\n", ds.path_.c_str(), new_path.c_str(),
		strerror(errno));
		} else {
		ds.path_ = new_path;
		}
		}
		}
		}
		if (do_text_file) {
		ds.path_ = ds.GetPath(".txt");
		MYLOGD("Generating .txt bugreport at %s from %s\n", ds.path_.c_str(), ds.tmp_path_.c_str());
		if (rename(ds.tmp_path_.c_str(), ds.path_.c_str())) {
		MYLOGE("rename(%s, %s): %s\n", ds.tmp_path_.c_str(), ds.path_.c_str(), strerror(errno));
		ds.path_.clear();
		}
		}
		if (options.use_control_socket) {
		if (do_text_file) {
		dprintf(ds.control_socket_fd_,
		"FAIL:could not create zip file, check %s "
		"for more details\n",
		ds.log_path_.c_str());
		} else {
		dprintf(ds.control_socket_fd_, "OK:%s\n", ds.path_.c_str());
		}
		}
		}

		/* Broadcasts that we are done with the bugreport */
		static void SendBugreportFinishedBroadcast() {
		const Dumpstate::DumpOptions& options = ds.options_;
		if (!ds.path_.empty()) {
		MYLOGI("Final bugreport path: %s\n", ds.path_.c_str());
		// clang-format off

		std::vector<std::string> am_args = {
		"--receiver-permission", "android.permission.DUMP",
		"--ei", "android.intent.extra.ID", std::to_string(ds.id_),
		"--ei", "android.intent.extra.PID", std::to_string(ds.pid_),
		"--ei", "android.intent.extra.MAX", std::to_string(ds.progress_->GetMax()),
		"--es", "android.intent.extra.BUGREPORT", ds.path_,
		"--es", "android.intent.extra.DUMPSTATE_LOG", ds.log_path_
		};
		// clang-format on
		if (options.do_fb) {
		am_args.push_back("--es");
		am_args.push_back("android.intent.extra.SCREENSHOT");
		am_args.push_back(ds.screenshot_path_);
		}
		if (!ds.notification_title.empty()) {
		am_args.push_back("--es");
		am_args.push_back("android.intent.extra.TITLE");
		am_args.push_back(ds.notification_title);
		if (!ds.notification_description.empty()) {
		am_args.push_back("--es");
		am_args.push_back("android.intent.extra.DESCRIPTION");
		am_args.push_back(ds.notification_description);
		}
		}
		if (options.is_remote_mode) {
		am_args.push_back("--es");
		am_args.push_back("android.intent.extra.REMOTE_BUGREPORT_HASH");
		am_args.push_back(SHA256_file_hash(ds.path_));
		SendBroadcast("com.android.internal.intent.action.REMOTE_BUGREPORT_FINISHED", am_args);
		} else {
		SendBroadcast("com.android.internal.intent.action.BUGREPORT_FINISHED", am_args);
		}
		} else {
		MYLOGE("Skipping finished broadcast because bugreport could not be generated\n");
		}
		}

		int Dumpstate::ParseCommandlineOptions(int argc, char* argv[]) {
		int ret = -1; // success
		int c;
		@@ -1864,8 +2084,7 @@ int run_main(int argc, char* argv[]) {
		exit(1);
		}

		// TODO: make const reference, but first avoid setting do_zip_file below.
		Dumpstate::DumpOptions& options = ds.options_;
		const Dumpstate::DumpOptions& options = ds.options_;
		if (options.show_header_only) {
		ds.PrintHeader();
		exit(0);
		@@ -1922,60 +2141,11 @@ int run_main(int argc, char* argv[]) {
		}

		if (is_redirecting) {
		ds.bugreport_dir_ = dirname(options.use_outfile.c_str());
		std::string build_id = android::base::GetProperty("ro.build.id", "UNKNOWN_BUILD");
		std::string device_name = android::base::GetProperty("ro.product.name", "UNKNOWN_DEVICE");
		ds.base_name_ =
		android::base::StringPrintf("%s-%s-%s", basename(options.use_outfile.c_str()),
		device_name.c_str(), build_id.c_str());
		if (options.do_add_date) {
		char date[80];
		strftime(date, sizeof(date), "%Y-%m-%d-%H-%M-%S", localtime(&ds.now_));
		ds.name_ = date;
		} else {
		ds.name_ = "undated";
		}

		if (options.telephony_only) {
		ds.base_name_ += "-telephony";
		} else if (options.wifi_only) {
		ds.base_name_ += "-wifi";
		}

		if (options.do_fb) {
		ds.screenshot_path_ = ds.GetPath(".png");
		}
		ds.tmp_path_ = ds.GetPath(".tmp");
		ds.log_path_ = ds.GetPath("-dumpstate_log-" + std::to_string(ds.pid_) + ".txt");

		MYLOGD(
		"Bugreport dir: %s\n"
		"Base name: %s\n"
		"Suffix: %s\n"
		"Log path: %s\n"
		"Temporary path: %s\n"
		"Screenshot path: %s\n",
		ds.bugreport_dir_.c_str(), ds.base_name_.c_str(), ds.name_.c_str(),
		ds.log_path_.c_str(), ds.tmp_path_.c_str(), ds.screenshot_path_.c_str());

		if (options.do_zip_file) {
		ds.path_ = ds.GetPath(".zip");
		MYLOGD("Creating initial .zip file (%s)\n", ds.path_.c_str());
		create_parent_dirs(ds.path_.c_str());
		ds.zip_file.reset(fopen(ds.path_.c_str(), "wb"));
		if (ds.zip_file == nullptr) {
		MYLOGE("fopen(%s, 'wb'): %s\n", ds.path_.c_str(), strerror(errno));
		options.do_zip_file = false;
		} else {
		ds.zip_writer_.reset(new ZipWriter(ds.zip_file.get()));
		}
		ds.AddTextZipEntry("version.txt", ds.version_);
		}
		PrepareToWriteToFile();

		if (ds.update_progress_) {
		if (options.do_broadcast) {
		// clang-format off

		std::vector<std::string> am_args = {
		"--receiver-permission", "android.permission.DUMP",
		"--es", "android.intent.extra.NAME", ds.name_,
		@@ -2013,7 +2183,7 @@ int run_main(int argc, char* argv[]) {
		}
		}

		if (options.do_zip_file) {
		if (options.do_zip_file && ds.zip_file != nullptr) {
		if (chown(ds.path_.c_str(), AID_SHELL, AID_SHELL)) {
		MYLOGE("Unable to change ownership of zip file %s: %s\n", ds.path_.c_str(),
		strerror(errno));
		@@ -2054,51 +2224,11 @@ int run_main(int argc, char* argv[]) {
		} else if (options.wifi_only) {
		DumpstateWifiOnly();
		} else {
		// Dumps systrace right away, otherwise it will be filled with unnecessary events.
		// First try to dump anrd trace if the daemon is running. Otherwise, dump
		// the raw trace.
		if (!dump_anrd_trace()) {
		dump_systrace();
		}

		// Invoking the following dumpsys calls before dump_traces() to try and
		// keep the system stats as close to its initial state as possible.
		RunDumpsysCritical();

		/* collect stack traces from Dalvik and native processes (needs root) */
		dump_traces_path = dump_traces();

		/* Run some operations that require root. */
		ds.tombstone_data_ = GetDumpFds(TOMBSTONE_DIR, TOMBSTONE_FILE_PREFIX, !ds.IsZipping());
		ds.anr_data_ = GetDumpFds(ANR_DIR, ANR_FILE_PREFIX, !ds.IsZipping());

		ds.AddDir(RECOVERY_DIR, true);
		ds.AddDir(RECOVERY_DATA_DIR, true);
		ds.AddDir(UPDATE_ENGINE_LOG_DIR, true);
		ds.AddDir(LOGPERSIST_DATA_DIR, false);
		if (!PropertiesHelper::IsUserBuild()) {
		ds.AddDir(PROFILE_DATA_DIR_CUR, true);
		ds.AddDir(PROFILE_DATA_DIR_REF, true);
		}
		add_mountinfo();
		DumpIpTablesAsRoot();

		// Capture any IPSec policies in play. No keys are exposed here.
		RunCommand("IP XFRM POLICY", {"ip", "xfrm", "policy"},
		CommandOptions::WithTimeout(10).Build());

		// Run ss as root so we can see socket marks.
		RunCommand("DETAILED SOCKET STATE", {"ss", "-eionptu"},
		CommandOptions::WithTimeout(10).Build());

		// Run iotop as root to show top 100 IO threads
		RunCommand("IOTOP", {"iotop", "-n", "1", "-m", "100"});

		if (!DropRootUser()) {
		// Dump state for the default case. This also drops root.
		if (!DumpstateDefault()) {
		// Something went wrong.
		return -1;
		}

		dumpstate();
		}

		/* close output if needed */
		@@ -2108,73 +2238,7 @@ int run_main(int argc, char* argv[]) {

		/* rename or zip the (now complete) .tmp file to its final location */
		if (!options.use_outfile.empty()) {
		/* check if user changed the suffix using system properties */
		std::string name = android::base::GetProperty(
		android::base::StringPrintf("dumpstate.%d.name", ds.pid_), "");
		bool change_suffix = false;
		if (!name.empty()) {
		/* must whitelist which characters are allowed, otherwise it could cross directories */
		std::regex valid_regex("^[-_a-zA-Z0-9]+$");
		if (std::regex_match(name.c_str(), valid_regex)) {
		change_suffix = true;
		} else {
		MYLOGE("invalid suffix provided by user: %s\n", name.c_str());
		}
		}
		if (change_suffix) {
		MYLOGI("changing suffix from %s to %s\n", ds.name_.c_str(), name.c_str());
		ds.name_ = name;
		if (!ds.screenshot_path_.empty()) {
		std::string new_screenshot_path = ds.GetPath(".png");
		if (rename(ds.screenshot_path_.c_str(), new_screenshot_path.c_str())) {
		MYLOGE("rename(%s, %s): %s\n", ds.screenshot_path_.c_str(),
		new_screenshot_path.c_str(), strerror(errno));
		} else {
		ds.screenshot_path_ = new_screenshot_path;
		}
		}
		}

		bool do_text_file = true;
		if (options.do_zip_file) {
		if (!ds.FinishZipFile()) {
		MYLOGE("Failed to finish zip file; sending text bugreport instead\n");
		do_text_file = true;
		} else {
		do_text_file = false;
		// Since zip file is already created, it needs to be renamed.
		std::string new_path = ds.GetPath(".zip");
		if (ds.path_ != new_path) {
		MYLOGD("Renaming zip file from %s to %s\n", ds.path_.c_str(), new_path.c_str());
		if (rename(ds.path_.c_str(), new_path.c_str())) {
		MYLOGE("rename(%s, %s): %s\n", ds.path_.c_str(), new_path.c_str(),
		strerror(errno));
		} else {
		ds.path_ = new_path;
		}
		}
		}
		}
		if (do_text_file) {
		ds.path_ = ds.GetPath(".txt");
		MYLOGD("Generating .txt bugreport at %s from %s\n", ds.path_.c_str(),
		ds.tmp_path_.c_str());
		if (rename(ds.tmp_path_.c_str(), ds.path_.c_str())) {
		MYLOGE("rename(%s, %s): %s\n", ds.tmp_path_.c_str(), ds.path_.c_str(),
		strerror(errno));
		ds.path_.clear();
		}
		}
		if (options.use_control_socket) {
		if (do_text_file) {
		dprintf(ds.control_socket_fd_,
		"FAIL:could not create zip file, check %s "
		"for more details\n",
		ds.log_path_.c_str());
		} else {
		dprintf(ds.control_socket_fd_, "OK:%s\n", ds.path_.c_str());
		}
		}
		FinalizeFile();
		}

		/* vibrate a few but shortly times to let user know it's finished */
		@@ -2187,46 +2251,7 @@ int run_main(int argc, char* argv[]) {

		/* tell activity manager we're done */
		if (options.do_broadcast) {
		if (!ds.path_.empty()) {
		MYLOGI("Final bugreport path: %s\n", ds.path_.c_str());
		// clang-format off

		std::vector<std::string> am_args = {
		"--receiver-permission", "android.permission.DUMP",
		"--ei", "android.intent.extra.ID", std::to_string(ds.id_),
		"--ei", "android.intent.extra.PID", std::to_string(ds.pid_),
		"--ei", "android.intent.extra.MAX", std::to_string(ds.progress_->GetMax()),
		"--es", "android.intent.extra.BUGREPORT", ds.path_,
		"--es", "android.intent.extra.DUMPSTATE_LOG", ds.log_path_
		};
		// clang-format on
		if (options.do_fb) {
		am_args.push_back("--es");
		am_args.push_back("android.intent.extra.SCREENSHOT");
		am_args.push_back(ds.screenshot_path_);
		}
		if (!ds.notification_title.empty()) {
		am_args.push_back("--es");
		am_args.push_back("android.intent.extra.TITLE");
		am_args.push_back(ds.notification_title);
		if (!ds.notification_description.empty()) {
		am_args.push_back("--es");
		am_args.push_back("android.intent.extra.DESCRIPTION");
		am_args.push_back(ds.notification_description);
		}
		}
		if (options.is_remote_mode) {
		am_args.push_back("--es");
		am_args.push_back("android.intent.extra.REMOTE_BUGREPORT_HASH");
		am_args.push_back(SHA256_file_hash(ds.path_));
		SendBroadcast("com.android.internal.intent.action.REMOTE_BUGREPORT_FINISHED",
		am_args);
		} else {
		SendBroadcast("com.android.internal.intent.action.BUGREPORT_FINISHED", am_args);
		}
		} else {
		MYLOGE("Skipping finished broadcast because bugreport could not be generated\n");
		}
		SendBugreportFinishedBroadcast();
		}

		MYLOGD("Final progress: %d/%d (estimated %d)\n", ds.progress_->Get(), ds.progress_->GetMax(),