|  | /* | 
|  | * Copyright (C) 2008 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. | 
|  | */ | 
|  |  | 
|  | #define LOG_TAG "dumpstate" | 
|  |  | 
|  | #include <dirent.h> | 
|  | #include <errno.h> | 
|  | #include <fcntl.h> | 
|  | #include <libgen.h> | 
|  | #include <limits.h> | 
|  | #include <memory> | 
|  | #include <regex> | 
|  | #include <set> | 
|  | #include <stdbool.h> | 
|  | #include <stdio.h> | 
|  | #include <stdlib.h> | 
|  | #include <string> | 
|  | #include <string.h> | 
|  | #include <sys/prctl.h> | 
|  | #include <sys/resource.h> | 
|  | #include <sys/stat.h> | 
|  | #include <sys/time.h> | 
|  | #include <sys/wait.h> | 
|  | #include <unistd.h> | 
|  |  | 
|  | #include <android-base/file.h> | 
|  | #include <android-base/properties.h> | 
|  | #include <android-base/stringprintf.h> | 
|  | #include <android-base/strings.h> | 
|  | #include <android-base/unique_fd.h> | 
|  | #include <android/hardware/dumpstate/1.0/IDumpstateDevice.h> | 
|  | #include <android/hardware/vibrator/1.0/IVibrator.h> | 
|  | #include <cutils/native_handle.h> | 
|  | #include <cutils/properties.h> | 
|  | #include <openssl/sha.h> | 
|  | #include <private/android_filesystem_config.h> | 
|  | #include <private/android_logger.h> | 
|  |  | 
|  | #include "DumpstateInternal.h" | 
|  | #include "DumpstateService.h" | 
|  | #include "dumpstate.h" | 
|  |  | 
|  | using ::android::hardware::dumpstate::V1_0::IDumpstateDevice; | 
|  | using ::android::hardware::vibrator::V1_0::IVibrator; | 
|  | using VibratorStatus = ::android::hardware::vibrator::V1_0::Status; | 
|  |  | 
|  | // TODO: remove once moved to namespace | 
|  | using android::os::dumpstate::CommandOptions; | 
|  | using android::os::dumpstate::DumpFileToFd; | 
|  | using android::os::dumpstate::PropertiesHelper; | 
|  | using android::os::dumpstate::GetPidByName; | 
|  |  | 
|  | /* read before root is shed */ | 
|  | static char cmdline_buf[16384] = "(unknown)"; | 
|  | static const char *dump_traces_path = NULL; | 
|  |  | 
|  | // TODO: variables and functions below should be part of dumpstate object | 
|  |  | 
|  | static std::set<std::string> mount_points; | 
|  | void add_mountinfo(); | 
|  |  | 
|  | #define PSTORE_LAST_KMSG "/sys/fs/pstore/console-ramoops" | 
|  | #define ALT_PSTORE_LAST_KMSG "/sys/fs/pstore/console-ramoops-0" | 
|  |  | 
|  | #define RAFT_DIR "/data/misc/raft" | 
|  | #define RECOVERY_DIR "/cache/recovery" | 
|  | #define RECOVERY_DATA_DIR "/data/misc/recovery" | 
|  | #define LOGPERSIST_DATA_DIR "/data/misc/logd" | 
|  | #define PROFILE_DATA_DIR_CUR "/data/misc/profiles/cur" | 
|  | #define PROFILE_DATA_DIR_REF "/data/misc/profiles/ref" | 
|  | #define TOMBSTONE_DIR "/data/tombstones" | 
|  | #define TOMBSTONE_FILE_PREFIX TOMBSTONE_DIR "/tombstone_" | 
|  | /* Can accomodate a tombstone number up to 9999. */ | 
|  | #define TOMBSTONE_MAX_LEN (sizeof(TOMBSTONE_FILE_PREFIX) + 4) | 
|  | #define NUM_TOMBSTONES  10 | 
|  | #define WLUTIL "/vendor/xbin/wlutil" | 
|  |  | 
|  | typedef struct { | 
|  | char name[TOMBSTONE_MAX_LEN]; | 
|  | int fd; | 
|  | } tombstone_data_t; | 
|  |  | 
|  | static tombstone_data_t tombstone_data[NUM_TOMBSTONES]; | 
|  |  | 
|  | // TODO: temporary variables and functions used during C++ refactoring | 
|  | static Dumpstate& ds = Dumpstate::GetInstance(); | 
|  | static int RunCommand(const std::string& title, const std::vector<std::string>& fullCommand, | 
|  | const CommandOptions& options = CommandOptions::DEFAULT) { | 
|  | return ds.RunCommand(title, fullCommand, options); | 
|  | } | 
|  | static void RunDumpsys(const std::string& title, const std::vector<std::string>& dumpsysArgs, | 
|  | const CommandOptions& options = Dumpstate::DEFAULT_DUMPSYS, | 
|  | long dumpsysTimeout = 0) { | 
|  | return ds.RunDumpsys(title, dumpsysArgs, options, dumpsysTimeout); | 
|  | } | 
|  | static int DumpFile(const std::string& title, const std::string& path) { | 
|  | return ds.DumpFile(title, path); | 
|  | } | 
|  |  | 
|  | // Relative directory (inside the zip) for all files copied as-is into the bugreport. | 
|  | static const std::string ZIP_ROOT_DIR = "FS"; | 
|  |  | 
|  | // Must be hardcoded because dumpstate HAL implementation need SELinux access to it | 
|  | static const std::string kDumpstateBoardPath = "/bugreports/dumpstate_board.txt"; | 
|  |  | 
|  | static constexpr char PROPERTY_EXTRA_OPTIONS[] = "dumpstate.options"; | 
|  | static constexpr char PROPERTY_LAST_ID[] = "dumpstate.last_id"; | 
|  | static constexpr char PROPERTY_VERSION[] = "dumpstate.version"; | 
|  |  | 
|  | static const CommandOptions AS_ROOT_20 = CommandOptions::WithTimeout(20).AsRoot().Build(); | 
|  |  | 
|  | /* gets the tombstone data, according to the bugreport type: if zipped, gets all tombstones; | 
|  | * otherwise, gets just those modified in the last half an hour. */ | 
|  | static void get_tombstone_fds(tombstone_data_t data[NUM_TOMBSTONES]) { | 
|  | time_t thirty_minutes_ago = ds.now_ - 60 * 30; | 
|  | for (size_t i = 0; i < NUM_TOMBSTONES; i++) { | 
|  | snprintf(data[i].name, sizeof(data[i].name), "%s%02zu", TOMBSTONE_FILE_PREFIX, i); | 
|  | int fd = TEMP_FAILURE_RETRY(open(data[i].name, | 
|  | O_RDONLY | O_CLOEXEC | O_NOFOLLOW | O_NONBLOCK)); | 
|  | struct stat st; | 
|  | if (fstat(fd, &st) == 0 && S_ISREG(st.st_mode) && st.st_size > 0 && | 
|  | (ds.IsZipping() || st.st_mtime >= thirty_minutes_ago)) { | 
|  | data[i].fd = fd; | 
|  | } else { | 
|  | close(fd); | 
|  | data[i].fd = -1; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | // for_each_pid() callback to get mount info about a process. | 
|  | void do_mountinfo(int pid, const char* name __attribute__((unused))) { | 
|  | char path[PATH_MAX]; | 
|  |  | 
|  | // Gets the the content of the /proc/PID/ns/mnt link, so only unique mount points | 
|  | // are added. | 
|  | snprintf(path, sizeof(path), "/proc/%d/ns/mnt", pid); | 
|  | char linkname[PATH_MAX]; | 
|  | ssize_t r = readlink(path, linkname, PATH_MAX); | 
|  | if (r == -1) { | 
|  | MYLOGE("Unable to read link for %s: %s\n", path, strerror(errno)); | 
|  | return; | 
|  | } | 
|  | linkname[r] = '\0'; | 
|  |  | 
|  | if (mount_points.find(linkname) == mount_points.end()) { | 
|  | // First time this mount point was found: add it | 
|  | snprintf(path, sizeof(path), "/proc/%d/mountinfo", pid); | 
|  | if (ds.AddZipEntry(ZIP_ROOT_DIR + path, path)) { | 
|  | mount_points.insert(linkname); | 
|  | } else { | 
|  | MYLOGE("Unable to add mountinfo %s to zip file\n", path); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | void add_mountinfo() { | 
|  | if (!ds.IsZipping()) return; | 
|  | std::string title = "MOUNT INFO"; | 
|  | mount_points.clear(); | 
|  | DurationReporter duration_reporter(title, true); | 
|  | for_each_pid(do_mountinfo, nullptr); | 
|  | MYLOGD("%s: %d entries added to zip file\n", title.c_str(), (int)mount_points.size()); | 
|  | } | 
|  |  | 
|  | static void dump_dev_files(const char *title, const char *driverpath, const char *filename) | 
|  | { | 
|  | DIR *d; | 
|  | struct dirent *de; | 
|  | char path[PATH_MAX]; | 
|  |  | 
|  | d = opendir(driverpath); | 
|  | if (d == NULL) { | 
|  | return; | 
|  | } | 
|  |  | 
|  | while ((de = readdir(d))) { | 
|  | if (de->d_type != DT_LNK) { | 
|  | continue; | 
|  | } | 
|  | snprintf(path, sizeof(path), "%s/%s/%s", driverpath, de->d_name, filename); | 
|  | DumpFile(title, path); | 
|  | } | 
|  |  | 
|  | closedir(d); | 
|  | } | 
|  |  | 
|  |  | 
|  |  | 
|  | // dump anrd's trace and add to the zip file. | 
|  | // 1. check if anrd is running on this device. | 
|  | // 2. send a SIGUSR1 to its pid which will dump anrd's trace. | 
|  | // 3. wait until the trace generation completes and add to the zip file. | 
|  | static bool dump_anrd_trace() { | 
|  | unsigned int pid; | 
|  | char buf[50], path[PATH_MAX]; | 
|  | struct dirent *trace; | 
|  | struct stat st; | 
|  | DIR *trace_dir; | 
|  | int retry = 5; | 
|  | long max_ctime = 0, old_mtime; | 
|  | long long cur_size = 0; | 
|  | const char *trace_path = "/data/misc/anrd/"; | 
|  |  | 
|  | if (!ds.IsZipping()) { | 
|  | MYLOGE("Not dumping anrd trace because it's not a zipped bugreport\n"); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | // find anrd's pid if it is running. | 
|  | pid = GetPidByName("/system/xbin/anrd"); | 
|  |  | 
|  | if (pid > 0) { | 
|  | if (stat(trace_path, &st) == 0) { | 
|  | old_mtime = st.st_mtime; | 
|  | } else { | 
|  | MYLOGE("Failed to find: %s\n", trace_path); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | // send SIGUSR1 to the anrd to generate a trace. | 
|  | sprintf(buf, "%u", pid); | 
|  | if (RunCommand("ANRD_DUMP", {"kill", "-SIGUSR1", buf}, | 
|  | CommandOptions::WithTimeout(1).Build())) { | 
|  | MYLOGE("anrd signal timed out. Please manually collect trace\n"); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | while (retry-- > 0 && old_mtime == st.st_mtime) { | 
|  | sleep(1); | 
|  | stat(trace_path, &st); | 
|  | } | 
|  |  | 
|  | if (retry < 0 && old_mtime == st.st_mtime) { | 
|  | MYLOGE("Failed to stat %s or trace creation timeout\n", trace_path); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | // identify the trace file by its creation time. | 
|  | if (!(trace_dir = opendir(trace_path))) { | 
|  | MYLOGE("Can't open trace file under %s\n", trace_path); | 
|  | } | 
|  | while ((trace = readdir(trace_dir))) { | 
|  | if (strcmp(trace->d_name, ".") == 0 | 
|  | || strcmp(trace->d_name, "..") == 0) { | 
|  | continue; | 
|  | } | 
|  | sprintf(path, "%s%s", trace_path, trace->d_name); | 
|  | if (stat(path, &st) == 0) { | 
|  | if (st.st_ctime > max_ctime) { | 
|  | max_ctime = st.st_ctime; | 
|  | sprintf(buf, "%s", trace->d_name); | 
|  | } | 
|  | } | 
|  | } | 
|  | closedir(trace_dir); | 
|  |  | 
|  | // Wait until the dump completes by checking the size of the trace. | 
|  | if (max_ctime > 0) { | 
|  | sprintf(path, "%s%s", trace_path, buf); | 
|  | while(true) { | 
|  | sleep(1); | 
|  | if (stat(path, &st) == 0) { | 
|  | if (st.st_size == cur_size) { | 
|  | break; | 
|  | } else if (st.st_size > cur_size) { | 
|  | cur_size = st.st_size; | 
|  | } else { | 
|  | return false; | 
|  | } | 
|  | } else { | 
|  | MYLOGE("Cant stat() %s anymore\n", path); | 
|  | return false; | 
|  | } | 
|  | } | 
|  | // Add to the zip file. | 
|  | if (!ds.AddZipEntry("anrd_trace.txt", path)) { | 
|  | MYLOGE("Unable to add anrd_trace file %s to zip file\n", path); | 
|  | } else { | 
|  | if (remove(path)) { | 
|  | MYLOGE("Error removing anrd_trace file %s: %s", path, strerror(errno)); | 
|  | } | 
|  | return true; | 
|  | } | 
|  | } else { | 
|  | MYLOGE("Can't stats any trace file under %s\n", trace_path); | 
|  | } | 
|  | } | 
|  | return false; | 
|  | } | 
|  |  | 
|  | static void dump_systrace() { | 
|  | if (!ds.IsZipping()) { | 
|  | MYLOGD("Not dumping systrace because it's not a zipped bugreport\n"); | 
|  | return; | 
|  | } | 
|  | std::string systrace_path = ds.GetPath("-systrace.txt"); | 
|  | if (systrace_path.empty()) { | 
|  | MYLOGE("Not dumping systrace because path is empty\n"); | 
|  | return; | 
|  | } | 
|  | const char* path = "/sys/kernel/debug/tracing/tracing_on"; | 
|  | long int is_tracing; | 
|  | if (read_file_as_long(path, &is_tracing)) { | 
|  | return; // error already logged | 
|  | } | 
|  | if (is_tracing <= 0) { | 
|  | MYLOGD("Skipping systrace because '%s' content is '%ld'\n", path, is_tracing); | 
|  | return; | 
|  | } | 
|  |  | 
|  | MYLOGD("Running '/system/bin/atrace --async_dump -o %s', which can take several minutes", | 
|  | systrace_path.c_str()); | 
|  | if (RunCommand("SYSTRACE", {"/system/bin/atrace", "--async_dump", "-o", systrace_path}, | 
|  | CommandOptions::WithTimeout(120).Build())) { | 
|  | MYLOGE("systrace timed out, its zip entry will be incomplete\n"); | 
|  | // TODO: RunCommand tries to kill the process, but atrace doesn't die | 
|  | // peacefully; ideally, we should call strace to stop itself, but there is no such option | 
|  | // yet (just a --async_stop, which stops and dump | 
|  | // if (RunCommand("SYSTRACE", {"/system/bin/atrace", "--kill"})) { | 
|  | //   MYLOGE("could not stop systrace "); | 
|  | // } | 
|  | } | 
|  | if (!ds.AddZipEntry("systrace.txt", systrace_path)) { | 
|  | MYLOGE("Unable to add systrace file %s to zip file\n", systrace_path.c_str()); | 
|  | } else { | 
|  | if (remove(systrace_path.c_str())) { | 
|  | MYLOGE("Error removing systrace file %s: %s", systrace_path.c_str(), strerror(errno)); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | static void dump_raft() { | 
|  | if (PropertiesHelper::IsUserBuild()) { | 
|  | return; | 
|  | } | 
|  |  | 
|  | std::string raft_path = ds.GetPath("-raft_log.txt"); | 
|  | if (raft_path.empty()) { | 
|  | MYLOGD("raft_path is empty\n"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | struct stat s; | 
|  | if (stat(RAFT_DIR, &s) != 0 || !S_ISDIR(s.st_mode)) { | 
|  | MYLOGD("%s does not exist or is not a directory\n", RAFT_DIR); | 
|  | return; | 
|  | } | 
|  |  | 
|  | CommandOptions options = CommandOptions::WithTimeout(600).Build(); | 
|  | if (!ds.IsZipping()) { | 
|  | // Write compressed and encoded raft logs to stdout if it's not a zipped bugreport. | 
|  | RunCommand("RAFT LOGS", {"logcompressor", "-r", RAFT_DIR}, options); | 
|  | return; | 
|  | } | 
|  |  | 
|  | RunCommand("RAFT LOGS", {"logcompressor", "-n", "-r", RAFT_DIR, "-o", raft_path}, options); | 
|  | if (!ds.AddZipEntry("raft_log.txt", raft_path)) { | 
|  | MYLOGE("Unable to add raft log %s to zip file\n", raft_path.c_str()); | 
|  | } else { | 
|  | if (remove(raft_path.c_str())) { | 
|  | MYLOGE("Error removing raft file %s: %s\n", raft_path.c_str(), strerror(errno)); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Finds the last modified file in the directory dir whose name starts with file_prefix. | 
|  | * | 
|  | * Function returns empty string when it does not find a file | 
|  | */ | 
|  | static std::string GetLastModifiedFileWithPrefix(const std::string& dir, | 
|  | const std::string& file_prefix) { | 
|  | std::unique_ptr<DIR, decltype(&closedir)> d(opendir(dir.c_str()), closedir); | 
|  | if (d == nullptr) { | 
|  | MYLOGD("Error %d opening %s\n", errno, dir.c_str()); | 
|  | return ""; | 
|  | } | 
|  |  | 
|  | // Find the newest file matching the file_prefix in dir | 
|  | struct dirent *de; | 
|  | time_t last_modified_time = 0; | 
|  | std::string last_modified_file = ""; | 
|  | struct stat s; | 
|  |  | 
|  | while ((de = readdir(d.get()))) { | 
|  | std::string file = std::string(de->d_name); | 
|  | if (!file_prefix.empty()) { | 
|  | if (!android::base::StartsWith(file, file_prefix.c_str())) continue; | 
|  | } | 
|  | file = dir + "/" + file; | 
|  | int ret = stat(file.c_str(), &s); | 
|  |  | 
|  | if ((ret == 0) && (s.st_mtime > last_modified_time)) { | 
|  | last_modified_file = file; | 
|  | last_modified_time = s.st_mtime; | 
|  | } | 
|  | } | 
|  |  | 
|  | return last_modified_file; | 
|  | } | 
|  |  | 
|  | static void DumpModemLogs() { | 
|  | DurationReporter durationReporter("DUMP MODEM LOGS"); | 
|  | if (PropertiesHelper::IsUserBuild()) { | 
|  | return; | 
|  | } | 
|  |  | 
|  | if (!ds.IsZipping()) { | 
|  | MYLOGD("Not dumping modem logs. dumpstate is not generating a zipping bugreport\n"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | std::string file_prefix = android::base::GetProperty("ro.radio.log_prefix", ""); | 
|  |  | 
|  | if(file_prefix.empty()) { | 
|  | MYLOGD("No modem log : file_prefix is empty\n"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | // TODO: use bugreport_dir_ directly when this function is moved to Dumpstate class | 
|  | std::string bugreport_dir = dirname(ds.GetPath("").c_str()); | 
|  | MYLOGD("DumpModemLogs: directory is %s and file_prefix is %s\n", | 
|  | bugreport_dir.c_str(), file_prefix.c_str()); | 
|  |  | 
|  | std::string modem_log_file = GetLastModifiedFileWithPrefix(bugreport_dir, file_prefix); | 
|  |  | 
|  | struct stat s; | 
|  | if (modem_log_file.empty() || stat(modem_log_file.c_str(), &s) != 0) { | 
|  | MYLOGD("Modem log %s does not exist\n", modem_log_file.c_str()); | 
|  | return; | 
|  | } | 
|  |  | 
|  | std::string filename = basename(modem_log_file.c_str()); | 
|  | if (!ds.AddZipEntry(filename, modem_log_file)) { | 
|  | MYLOGE("Unable to add modem log %s to zip file\n", modem_log_file.c_str()); | 
|  | } else { | 
|  | MYLOGD("Modem Log %s is added to zip\n", modem_log_file.c_str()); | 
|  | if (remove(modem_log_file.c_str())) { | 
|  | MYLOGE("Error removing modem log %s\n", modem_log_file.c_str()); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | static bool skip_not_stat(const char *path) { | 
|  | static const char stat[] = "/stat"; | 
|  | size_t len = strlen(path); | 
|  | if (path[len - 1] == '/') { /* Directory? */ | 
|  | return false; | 
|  | } | 
|  | return strcmp(path + len - sizeof(stat) + 1, stat); /* .../stat? */ | 
|  | } | 
|  |  | 
|  | static bool skip_none(const char* path __attribute__((unused))) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | static const char mmcblk0[] = "/sys/block/mmcblk0/"; | 
|  | unsigned long worst_write_perf = 20000; /* in KB/s */ | 
|  |  | 
|  | // | 
|  | //  stat offsets | 
|  | // Name            units         description | 
|  | // ----            -----         ----------- | 
|  | // read I/Os       requests      number of read I/Os processed | 
|  | #define __STAT_READ_IOS      0 | 
|  | // read merges     requests      number of read I/Os merged with in-queue I/O | 
|  | #define __STAT_READ_MERGES   1 | 
|  | // read sectors    sectors       number of sectors read | 
|  | #define __STAT_READ_SECTORS  2 | 
|  | // read ticks      milliseconds  total wait time for read requests | 
|  | #define __STAT_READ_TICKS    3 | 
|  | // write I/Os      requests      number of write I/Os processed | 
|  | #define __STAT_WRITE_IOS     4 | 
|  | // write merges    requests      number of write I/Os merged with in-queue I/O | 
|  | #define __STAT_WRITE_MERGES  5 | 
|  | // write sectors   sectors       number of sectors written | 
|  | #define __STAT_WRITE_SECTORS 6 | 
|  | // write ticks     milliseconds  total wait time for write requests | 
|  | #define __STAT_WRITE_TICKS   7 | 
|  | // in_flight       requests      number of I/Os currently in flight | 
|  | #define __STAT_IN_FLIGHT     8 | 
|  | // io_ticks        milliseconds  total time this block device has been active | 
|  | #define __STAT_IO_TICKS      9 | 
|  | // time_in_queue   milliseconds  total wait time for all requests | 
|  | #define __STAT_IN_QUEUE     10 | 
|  | #define __STAT_NUMBER_FIELD 11 | 
|  | // | 
|  | // read I/Os, write I/Os | 
|  | // ===================== | 
|  | // | 
|  | // These values increment when an I/O request completes. | 
|  | // | 
|  | // read merges, write merges | 
|  | // ========================= | 
|  | // | 
|  | // These values increment when an I/O request is merged with an | 
|  | // already-queued I/O request. | 
|  | // | 
|  | // read sectors, write sectors | 
|  | // =========================== | 
|  | // | 
|  | // These values count the number of sectors read from or written to this | 
|  | // block device.  The "sectors" in question are the standard UNIX 512-byte | 
|  | // sectors, not any device- or filesystem-specific block size.  The | 
|  | // counters are incremented when the I/O completes. | 
|  | #define SECTOR_SIZE 512 | 
|  | // | 
|  | // read ticks, write ticks | 
|  | // ======================= | 
|  | // | 
|  | // These values count the number of milliseconds that I/O requests have | 
|  | // waited on this block device.  If there are multiple I/O requests waiting, | 
|  | // these values will increase at a rate greater than 1000/second; for | 
|  | // example, if 60 read requests wait for an average of 30 ms, the read_ticks | 
|  | // field will increase by 60*30 = 1800. | 
|  | // | 
|  | // in_flight | 
|  | // ========= | 
|  | // | 
|  | // This value counts the number of I/O requests that have been issued to | 
|  | // the device driver but have not yet completed.  It does not include I/O | 
|  | // requests that are in the queue but not yet issued to the device driver. | 
|  | // | 
|  | // io_ticks | 
|  | // ======== | 
|  | // | 
|  | // This value counts the number of milliseconds during which the device has | 
|  | // had I/O requests queued. | 
|  | // | 
|  | // time_in_queue | 
|  | // ============= | 
|  | // | 
|  | // This value counts the number of milliseconds that I/O requests have waited | 
|  | // on this block device.  If there are multiple I/O requests waiting, this | 
|  | // value will increase as the product of the number of milliseconds times the | 
|  | // number of requests waiting (see "read ticks" above for an example). | 
|  | #define S_TO_MS 1000 | 
|  | // | 
|  |  | 
|  | static int dump_stat_from_fd(const char *title __unused, const char *path, int fd) { | 
|  | unsigned long long fields[__STAT_NUMBER_FIELD]; | 
|  | bool z; | 
|  | char *cp, *buffer = NULL; | 
|  | size_t i = 0; | 
|  | FILE *fp = fdopen(fd, "rb"); | 
|  | getline(&buffer, &i, fp); | 
|  | fclose(fp); | 
|  | if (!buffer) { | 
|  | return -errno; | 
|  | } | 
|  | i = strlen(buffer); | 
|  | while ((i > 0) && (buffer[i - 1] == '\n')) { | 
|  | buffer[--i] = '\0'; | 
|  | } | 
|  | if (!*buffer) { | 
|  | free(buffer); | 
|  | return 0; | 
|  | } | 
|  | z = true; | 
|  | for (cp = buffer, i = 0; i < (sizeof(fields) / sizeof(fields[0])); ++i) { | 
|  | fields[i] = strtoull(cp, &cp, 10); | 
|  | if (fields[i] != 0) { | 
|  | z = false; | 
|  | } | 
|  | } | 
|  | if (z) { /* never accessed */ | 
|  | free(buffer); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | if (!strncmp(path, mmcblk0, sizeof(mmcblk0) - 1)) { | 
|  | path += sizeof(mmcblk0) - 1; | 
|  | } | 
|  |  | 
|  | printf("%s: %s\n", path, buffer); | 
|  | free(buffer); | 
|  |  | 
|  | if (fields[__STAT_IO_TICKS]) { | 
|  | unsigned long read_perf = 0; | 
|  | unsigned long read_ios = 0; | 
|  | if (fields[__STAT_READ_TICKS]) { | 
|  | unsigned long long divisor = fields[__STAT_READ_TICKS] | 
|  | * fields[__STAT_IO_TICKS]; | 
|  | read_perf = ((unsigned long long)SECTOR_SIZE | 
|  | * fields[__STAT_READ_SECTORS] | 
|  | * fields[__STAT_IN_QUEUE] + (divisor >> 1)) | 
|  | / divisor; | 
|  | read_ios = ((unsigned long long)S_TO_MS * fields[__STAT_READ_IOS] | 
|  | * fields[__STAT_IN_QUEUE] + (divisor >> 1)) | 
|  | / divisor; | 
|  | } | 
|  |  | 
|  | unsigned long write_perf = 0; | 
|  | unsigned long write_ios = 0; | 
|  | if (fields[__STAT_WRITE_TICKS]) { | 
|  | unsigned long long divisor = fields[__STAT_WRITE_TICKS] | 
|  | * fields[__STAT_IO_TICKS]; | 
|  | write_perf = ((unsigned long long)SECTOR_SIZE | 
|  | * fields[__STAT_WRITE_SECTORS] | 
|  | * fields[__STAT_IN_QUEUE] + (divisor >> 1)) | 
|  | / divisor; | 
|  | write_ios = ((unsigned long long)S_TO_MS * fields[__STAT_WRITE_IOS] | 
|  | * fields[__STAT_IN_QUEUE] + (divisor >> 1)) | 
|  | / divisor; | 
|  | } | 
|  |  | 
|  | unsigned queue = (fields[__STAT_IN_QUEUE] | 
|  | + (fields[__STAT_IO_TICKS] >> 1)) | 
|  | / fields[__STAT_IO_TICKS]; | 
|  |  | 
|  | if (!write_perf && !write_ios) { | 
|  | printf("%s: perf(ios) rd: %luKB/s(%lu/s) q: %u\n", path, read_perf, read_ios, queue); | 
|  | } else { | 
|  | printf("%s: perf(ios) rd: %luKB/s(%lu/s) wr: %luKB/s(%lu/s) q: %u\n", path, read_perf, | 
|  | read_ios, write_perf, write_ios, queue); | 
|  | } | 
|  |  | 
|  | /* bugreport timeout factor adjustment */ | 
|  | if ((write_perf > 1) && (write_perf < worst_write_perf)) { | 
|  | worst_write_perf = write_perf; | 
|  | } | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* timeout in ms */ | 
|  | static unsigned long logcat_timeout(const char *name) { | 
|  | log_id_t id = android_name_to_log_id(name); | 
|  | unsigned long property_size = __android_logger_get_buffer_size(id); | 
|  | /* Engineering margin is ten-fold our guess */ | 
|  | return 10 * (property_size + worst_write_perf) / worst_write_perf; | 
|  | } | 
|  |  | 
|  | void Dumpstate::PrintHeader() const { | 
|  | std::string build, fingerprint, radio, bootloader, network; | 
|  | char date[80]; | 
|  |  | 
|  | build = android::base::GetProperty("ro.build.display.id", "(unknown)"); | 
|  | fingerprint = android::base::GetProperty("ro.build.fingerprint", "(unknown)"); | 
|  | radio = android::base::GetProperty("gsm.version.baseband", "(unknown)"); | 
|  | bootloader = android::base::GetProperty("ro.bootloader", "(unknown)"); | 
|  | network = android::base::GetProperty("gsm.operator.alpha", "(unknown)"); | 
|  | strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S", localtime(&now_)); | 
|  |  | 
|  | printf("========================================================\n"); | 
|  | printf("== dumpstate: %s\n", date); | 
|  | printf("========================================================\n"); | 
|  |  | 
|  | printf("\n"); | 
|  | printf("Build: %s\n", build.c_str()); | 
|  | // NOTE: fingerprint entry format is important for other tools. | 
|  | printf("Build fingerprint: '%s'\n", fingerprint.c_str()); | 
|  | printf("Bootloader: %s\n", bootloader.c_str()); | 
|  | printf("Radio: %s\n", radio.c_str()); | 
|  | printf("Network: %s\n", network.c_str()); | 
|  |  | 
|  | printf("Kernel: "); | 
|  | DumpFileToFd(STDOUT_FILENO, "", "/proc/version"); | 
|  | printf("Command line: %s\n", strtok(cmdline_buf, "\n")); | 
|  | printf("Bugreport format version: %s\n", version_.c_str()); | 
|  | printf("Dumpstate info: id=%d pid=%d dry_run=%d args=%s extra_options=%s\n", id_, pid_, | 
|  | PropertiesHelper::IsDryRun(), args_.c_str(), extra_options_.c_str()); | 
|  | printf("\n"); | 
|  | } | 
|  |  | 
|  | // List of file extensions that can cause a zip file attachment to be rejected by some email | 
|  | // service providers. | 
|  | static const std::set<std::string> PROBLEMATIC_FILE_EXTENSIONS = { | 
|  | ".ade", ".adp", ".bat", ".chm", ".cmd", ".com", ".cpl", ".exe", ".hta", ".ins", ".isp", | 
|  | ".jar", ".jse", ".lib", ".lnk", ".mde", ".msc", ".msp", ".mst", ".pif", ".scr", ".sct", | 
|  | ".shb", ".sys", ".vb",  ".vbe", ".vbs", ".vxd", ".wsc", ".wsf", ".wsh" | 
|  | }; | 
|  |  | 
|  | bool Dumpstate::AddZipEntryFromFd(const std::string& entry_name, int fd) { | 
|  | if (!IsZipping()) { | 
|  | MYLOGD("Not adding zip entry %s from fd because it's not a zipped bugreport\n", | 
|  | entry_name.c_str()); | 
|  | return false; | 
|  | } | 
|  | std::string valid_name = entry_name; | 
|  |  | 
|  | // Rename extension if necessary. | 
|  | size_t idx = entry_name.rfind("."); | 
|  | if (idx != std::string::npos) { | 
|  | std::string extension = entry_name.substr(idx); | 
|  | std::transform(extension.begin(), extension.end(), extension.begin(), ::tolower); | 
|  | if (PROBLEMATIC_FILE_EXTENSIONS.count(extension) != 0) { | 
|  | valid_name = entry_name + ".renamed"; | 
|  | MYLOGI("Renaming entry %s to %s\n", entry_name.c_str(), valid_name.c_str()); | 
|  | } | 
|  | } | 
|  |  | 
|  | // Logging statement  below is useful to time how long each entry takes, but it's too verbose. | 
|  | // MYLOGD("Adding zip entry %s\n", entry_name.c_str()); | 
|  | int32_t err = zip_writer_->StartEntryWithTime(valid_name.c_str(), ZipWriter::kCompress, | 
|  | get_mtime(fd, ds.now_)); | 
|  | if (err != 0) { | 
|  | MYLOGE("zip_writer_->StartEntryWithTime(%s): %s\n", valid_name.c_str(), | 
|  | ZipWriter::ErrorCodeString(err)); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | std::vector<uint8_t> buffer(65536); | 
|  | while (1) { | 
|  | ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer.data(), buffer.size())); | 
|  | if (bytes_read == 0) { | 
|  | break; | 
|  | } else if (bytes_read == -1) { | 
|  | MYLOGE("read(%s): %s\n", entry_name.c_str(), strerror(errno)); | 
|  | return false; | 
|  | } | 
|  | err = zip_writer_->WriteBytes(buffer.data(), bytes_read); | 
|  | if (err) { | 
|  | MYLOGE("zip_writer_->WriteBytes(): %s\n", ZipWriter::ErrorCodeString(err)); | 
|  | return false; | 
|  | } | 
|  | } | 
|  |  | 
|  | err = zip_writer_->FinishEntry(); | 
|  | if (err != 0) { | 
|  | MYLOGE("zip_writer_->FinishEntry(): %s\n", ZipWriter::ErrorCodeString(err)); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | bool Dumpstate::AddZipEntry(const std::string& entry_name, const std::string& entry_path) { | 
|  | android::base::unique_fd fd( | 
|  | TEMP_FAILURE_RETRY(open(entry_path.c_str(), O_RDONLY | O_NONBLOCK | O_CLOEXEC))); | 
|  | if (fd == -1) { | 
|  | MYLOGE("open(%s): %s\n", entry_path.c_str(), strerror(errno)); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | return AddZipEntryFromFd(entry_name, fd.get()); | 
|  | } | 
|  |  | 
|  | /* adds a file to the existing zipped bugreport */ | 
|  | static int _add_file_from_fd(const char* title __attribute__((unused)), const char* path, int fd) { | 
|  | return ds.AddZipEntryFromFd(ZIP_ROOT_DIR + path, fd) ? 0 : 1; | 
|  | } | 
|  |  | 
|  | void Dumpstate::AddDir(const std::string& dir, bool recursive) { | 
|  | if (!IsZipping()) { | 
|  | MYLOGD("Not adding dir %s because it's not a zipped bugreport\n", dir.c_str()); | 
|  | return; | 
|  | } | 
|  | MYLOGD("Adding dir %s (recursive: %d)\n", dir.c_str(), recursive); | 
|  | DurationReporter duration_reporter(dir, true); | 
|  | dump_files("", dir.c_str(), recursive ? skip_none : is_dir, _add_file_from_fd); | 
|  | } | 
|  |  | 
|  | bool Dumpstate::AddTextZipEntry(const std::string& entry_name, const std::string& content) { | 
|  | if (!IsZipping()) { | 
|  | MYLOGD("Not adding text zip entry %s because it's not a zipped bugreport\n", | 
|  | entry_name.c_str()); | 
|  | return false; | 
|  | } | 
|  | MYLOGD("Adding zip text entry %s\n", entry_name.c_str()); | 
|  | int32_t err = zip_writer_->StartEntryWithTime(entry_name.c_str(), ZipWriter::kCompress, ds.now_); | 
|  | if (err != 0) { | 
|  | MYLOGE("zip_writer_->StartEntryWithTime(%s): %s\n", entry_name.c_str(), | 
|  | ZipWriter::ErrorCodeString(err)); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | err = zip_writer_->WriteBytes(content.c_str(), content.length()); | 
|  | if (err != 0) { | 
|  | MYLOGE("zip_writer_->WriteBytes(%s): %s\n", entry_name.c_str(), | 
|  | ZipWriter::ErrorCodeString(err)); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | err = zip_writer_->FinishEntry(); | 
|  | if (err != 0) { | 
|  | MYLOGE("zip_writer_->FinishEntry(): %s\n", ZipWriter::ErrorCodeString(err)); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static void DoKmsg() { | 
|  | struct stat st; | 
|  | if (!stat(PSTORE_LAST_KMSG, &st)) { | 
|  | /* Also TODO: Make console-ramoops CAP_SYSLOG protected. */ | 
|  | DumpFile("LAST KMSG", PSTORE_LAST_KMSG); | 
|  | } else if (!stat(ALT_PSTORE_LAST_KMSG, &st)) { | 
|  | DumpFile("LAST KMSG", ALT_PSTORE_LAST_KMSG); | 
|  | } else { | 
|  | /* TODO: Make last_kmsg CAP_SYSLOG protected. b/5555691 */ | 
|  | DumpFile("LAST KMSG", "/proc/last_kmsg"); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void DoLogcat() { | 
|  | unsigned long timeout; | 
|  | // DumpFile("EVENT LOG TAGS", "/etc/event-log-tags"); | 
|  | // calculate timeout | 
|  | timeout = logcat_timeout("main") + logcat_timeout("system") + logcat_timeout("crash"); | 
|  | if (timeout < 20000) { | 
|  | timeout = 20000; | 
|  | } | 
|  | RunCommand("SYSTEM LOG", {"logcat", "-v", "threadtime", "-v", "printable", "-d", "*:v"}, | 
|  | CommandOptions::WithTimeout(timeout / 1000).Build()); | 
|  | timeout = logcat_timeout("events"); | 
|  | if (timeout < 20000) { | 
|  | timeout = 20000; | 
|  | } | 
|  | RunCommand("EVENT LOG", | 
|  | {"logcat", "-b", "events", "-v", "threadtime", "-v", "printable", "-d", "*:v"}, | 
|  | CommandOptions::WithTimeout(timeout / 1000).Build()); | 
|  | timeout = logcat_timeout("radio"); | 
|  | if (timeout < 20000) { | 
|  | timeout = 20000; | 
|  | } | 
|  | RunCommand("RADIO LOG", | 
|  | {"logcat", "-b", "radio", "-v", "threadtime", "-v", "printable", "-d", "*:v"}, | 
|  | CommandOptions::WithTimeout(timeout / 1000).Build()); | 
|  |  | 
|  | RunCommand("LOG STATISTICS", {"logcat", "-b", "all", "-S"}); | 
|  |  | 
|  | /* kernels must set CONFIG_PSTORE_PMSG, slice up pstore with device tree */ | 
|  | RunCommand("LAST LOGCAT", | 
|  | {"logcat", "-L", "-b", "all", "-v", "threadtime", "-v", "printable", "-d", "*:v"}); | 
|  | } | 
|  |  | 
|  | static void DumpIpTables() { | 
|  | RunCommand("IPTABLES", {"iptables", "-L", "-nvx"}); | 
|  | RunCommand("IP6TABLES", {"ip6tables", "-L", "-nvx"}); | 
|  | RunCommand("IPTABLES NAT", {"iptables", "-t", "nat", "-L", "-nvx"}); | 
|  | /* no ip6 nat */ | 
|  | RunCommand("IPTABLES MANGLE", {"iptables", "-t", "mangle", "-L", "-nvx"}); | 
|  | RunCommand("IP6TABLES MANGLE", {"ip6tables", "-t", "mangle", "-L", "-nvx"}); | 
|  | RunCommand("IPTABLES RAW", {"iptables", "-t", "raw", "-L", "-nvx"}); | 
|  | RunCommand("IP6TABLES RAW", {"ip6tables", "-t", "raw", "-L", "-nvx"}); | 
|  | } | 
|  |  | 
|  | static void AddAnrTraceFiles() { | 
|  | bool add_to_zip = ds.IsZipping() && ds.version_ == VERSION_SPLIT_ANR; | 
|  | std::string dump_traces_dir; | 
|  |  | 
|  | /* show the traces we collected in main(), if that was done */ | 
|  | if (dump_traces_path != nullptr) { | 
|  | if (add_to_zip) { | 
|  | dump_traces_dir = dirname(dump_traces_path); | 
|  | MYLOGD("Adding ANR traces (directory %s) to the zip file\n", dump_traces_dir.c_str()); | 
|  | ds.AddDir(dump_traces_dir, true); | 
|  | } else { | 
|  | MYLOGD("Dumping current ANR traces (%s) to the main bugreport entry\n", | 
|  | dump_traces_path); | 
|  | ds.DumpFile("VM TRACES JUST NOW", dump_traces_path); | 
|  | } | 
|  | } | 
|  |  | 
|  | std::string anr_traces_path = android::base::GetProperty("dalvik.vm.stack-trace-file", ""); | 
|  | std::string anr_traces_dir = dirname(anr_traces_path.c_str()); | 
|  |  | 
|  | // Make sure directory is not added twice. | 
|  | // TODO: this is an overzealous check because it's relying on dump_traces_path - which is | 
|  | // generated by dump_traces() -  and anr_traces_path - which is retrieved from a system | 
|  | // property - but in reality they're the same path (although the former could be nullptr). | 
|  | // Anyways, once dump_traces() is refactored as a private Dumpstate function, this logic should | 
|  | // be revisited. | 
|  | bool already_dumped = anr_traces_dir == dump_traces_dir; | 
|  |  | 
|  | MYLOGD("AddAnrTraceFiles(): dump_traces_dir=%s, anr_traces_dir=%s, already_dumped=%d\n", | 
|  | dump_traces_dir.c_str(), anr_traces_dir.c_str(), already_dumped); | 
|  |  | 
|  | if (anr_traces_path.empty()) { | 
|  | printf("*** NO VM TRACES FILE DEFINED (dalvik.vm.stack-trace-file)\n\n"); | 
|  | } else { | 
|  | int fd = TEMP_FAILURE_RETRY( | 
|  | open(anr_traces_path.c_str(), O_RDONLY | O_CLOEXEC | O_NOFOLLOW | O_NONBLOCK)); | 
|  | if (fd < 0) { | 
|  | printf("*** NO ANR VM TRACES FILE (%s): %s\n\n", anr_traces_path.c_str(), | 
|  | strerror(errno)); | 
|  | } else { | 
|  | if (add_to_zip) { | 
|  | if (!already_dumped) { | 
|  | MYLOGD("Adding dalvik ANR traces (directory %s) to the zip file\n", | 
|  | anr_traces_dir.c_str()); | 
|  | ds.AddDir(anr_traces_dir, true); | 
|  | already_dumped = true; | 
|  | } | 
|  | } else { | 
|  | MYLOGD("Dumping last ANR traces (%s) to the main bugreport entry\n", | 
|  | anr_traces_path.c_str()); | 
|  | dump_file_from_fd("VM TRACES AT LAST ANR", anr_traces_path.c_str(), fd); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | if (add_to_zip && already_dumped) { | 
|  | MYLOGD("Already dumped directory %s to the zip file\n", anr_traces_dir.c_str()); | 
|  | return; | 
|  | } | 
|  |  | 
|  | /* slow traces for slow operations */ | 
|  | struct stat st; | 
|  | if (!anr_traces_path.empty()) { | 
|  | int tail = anr_traces_path.size() - 1; | 
|  | while (tail > 0 && anr_traces_path.at(tail) != '/') { | 
|  | tail--; | 
|  | } | 
|  | int i = 0; | 
|  | while (1) { | 
|  | anr_traces_path = anr_traces_path.substr(0, tail + 1) + | 
|  | android::base::StringPrintf("slow%02d.txt", i); | 
|  | if (stat(anr_traces_path.c_str(), &st)) { | 
|  | // No traces file at this index, done with the files. | 
|  | break; | 
|  | } | 
|  | ds.DumpFile("VM TRACES WHEN SLOW", anr_traces_path.c_str()); | 
|  | i++; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | static void dumpstate() { | 
|  | DurationReporter duration_reporter("DUMPSTATE"); | 
|  |  | 
|  | dump_dev_files("TRUSTY VERSION", "/sys/bus/platform/drivers/trusty", "trusty_version"); | 
|  | RunCommand("UPTIME", {"uptime"}); | 
|  | dump_files("UPTIME MMC PERF", mmcblk0, skip_not_stat, dump_stat_from_fd); | 
|  | dump_emmc_ecsd("/d/mmc0/mmc0:0001/ext_csd"); | 
|  | DumpFile("MEMORY INFO", "/proc/meminfo"); | 
|  | RunCommand("CPU INFO", {"top", "-b", "-n", "1", "-H", "-s", "6", "-o", | 
|  | "pid,tid,user,pr,ni,%cpu,s,virt,res,pcy,cmd,name"}); | 
|  | RunCommand("PROCRANK", {"procrank"}, AS_ROOT_20); | 
|  | DumpFile("VIRTUAL MEMORY STATS", "/proc/vmstat"); | 
|  | DumpFile("VMALLOC INFO", "/proc/vmallocinfo"); | 
|  | DumpFile("SLAB INFO", "/proc/slabinfo"); | 
|  | DumpFile("ZONEINFO", "/proc/zoneinfo"); | 
|  | DumpFile("PAGETYPEINFO", "/proc/pagetypeinfo"); | 
|  | DumpFile("BUDDYINFO", "/proc/buddyinfo"); | 
|  | DumpFile("FRAGMENTATION INFO", "/d/extfrag/unusable_index"); | 
|  |  | 
|  | DumpFile("KERNEL WAKE SOURCES", "/d/wakeup_sources"); | 
|  | DumpFile("KERNEL CPUFREQ", "/sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state"); | 
|  | DumpFile("KERNEL SYNC", "/d/sync"); | 
|  |  | 
|  | RunCommand("PROCESSES AND THREADS", | 
|  | {"ps", "-A", "-T", "-Z", "-O", "pri,nice,rtprio,sched,pcy"}); | 
|  | RunCommand("LIBRANK", {"librank"}, CommandOptions::AS_ROOT); | 
|  |  | 
|  | RunCommand("PRINTENV", {"printenv"}); | 
|  | RunCommand("NETSTAT", {"netstat", "-nW"}); | 
|  | struct stat s; | 
|  | if (stat("/proc/modules", &s) != 0) { | 
|  | MYLOGD("Skipping 'lsmod' because /proc/modules does not exist\n"); | 
|  | } else { | 
|  | RunCommand("LSMOD", {"lsmod"}); | 
|  | } | 
|  |  | 
|  | do_dmesg(); | 
|  |  | 
|  | RunCommand("LIST OF OPEN FILES", {"lsof"}, CommandOptions::AS_ROOT); | 
|  | for_each_pid(do_showmap, "SMAPS OF ALL PROCESSES"); | 
|  | for_each_tid(show_wchan, "BLOCKED PROCESS WAIT-CHANNELS"); | 
|  | for_each_pid(show_showtime, "PROCESS TIMES (pid cmd user system iowait+percentage)"); | 
|  |  | 
|  | /* Dump Bluetooth HCI logs */ | 
|  | ds.AddDir("/data/misc/bluetooth/logs", true); | 
|  |  | 
|  | if (!ds.do_early_screenshot_) { | 
|  | MYLOGI("taking late screenshot\n"); | 
|  | ds.TakeScreenshot(); | 
|  | } | 
|  |  | 
|  | DoLogcat(); | 
|  |  | 
|  | AddAnrTraceFiles(); | 
|  |  | 
|  | int dumped = 0; | 
|  | for (size_t i = 0; i < NUM_TOMBSTONES; i++) { | 
|  | if (tombstone_data[i].fd != -1) { | 
|  | const char *name = tombstone_data[i].name; | 
|  | int fd = tombstone_data[i].fd; | 
|  | dumped = 1; | 
|  | if (ds.IsZipping()) { | 
|  | if (!ds.AddZipEntryFromFd(ZIP_ROOT_DIR + name, fd)) { | 
|  | MYLOGE("Unable to add tombstone %s to zip file\n", name); | 
|  | } | 
|  | } else { | 
|  | dump_file_from_fd("TOMBSTONE", name, fd); | 
|  | } | 
|  | close(fd); | 
|  | tombstone_data[i].fd = -1; | 
|  | } | 
|  | } | 
|  | if (!dumped) { | 
|  | printf("*** NO TOMBSTONES to dump in %s\n\n", TOMBSTONE_DIR); | 
|  | } | 
|  |  | 
|  | DumpFile("NETWORK DEV INFO", "/proc/net/dev"); | 
|  | DumpFile("QTAGUID NETWORK INTERFACES INFO", "/proc/net/xt_qtaguid/iface_stat_all"); | 
|  | DumpFile("QTAGUID NETWORK INTERFACES INFO (xt)", "/proc/net/xt_qtaguid/iface_stat_fmt"); | 
|  | DumpFile("QTAGUID CTRL INFO", "/proc/net/xt_qtaguid/ctrl"); | 
|  | DumpFile("QTAGUID STATS INFO", "/proc/net/xt_qtaguid/stats"); | 
|  |  | 
|  | DoKmsg(); | 
|  |  | 
|  | /* The following have a tendency to get wedged when wifi drivers/fw goes belly-up. */ | 
|  |  | 
|  | RunCommand("NETWORK INTERFACES", {"ip", "link"}); | 
|  |  | 
|  | RunCommand("IPv4 ADDRESSES", {"ip", "-4", "addr", "show"}); | 
|  | RunCommand("IPv6 ADDRESSES", {"ip", "-6", "addr", "show"}); | 
|  |  | 
|  | RunCommand("IP RULES", {"ip", "rule", "show"}); | 
|  | RunCommand("IP RULES v6", {"ip", "-6", "rule", "show"}); | 
|  |  | 
|  | dump_route_tables(); | 
|  |  | 
|  | RunCommand("ARP CACHE", {"ip", "-4", "neigh", "show"}); | 
|  | RunCommand("IPv6 ND CACHE", {"ip", "-6", "neigh", "show"}); | 
|  | RunCommand("MULTICAST ADDRESSES", {"ip", "maddr"}); | 
|  | RunCommand("WIFI NETWORKS", {"wpa_cli", "IFNAME=wlan0", "list_networks"}, | 
|  | CommandOptions::WithTimeout(20).Build()); | 
|  |  | 
|  | #ifdef FWDUMP_bcmdhd | 
|  | RunCommand("ND OFFLOAD TABLE", {WLUTIL, "nd_hostip"}, CommandOptions::AS_ROOT); | 
|  |  | 
|  | RunCommand("DUMP WIFI INTERNAL COUNTERS (1)", {WLUTIL, "counters"}, AS_ROOT_20); | 
|  |  | 
|  | RunCommand("ND OFFLOAD STATUS (1)", {WLUTIL, "nd_status"}, CommandOptions::AS_ROOT); | 
|  |  | 
|  | #endif | 
|  | DumpFile("INTERRUPTS (1)", "/proc/interrupts"); | 
|  |  | 
|  | RunDumpsys("NETWORK DIAGNOSTICS", {"connectivity", "--diag"}, | 
|  | CommandOptions::WithTimeout(10).Build()); | 
|  |  | 
|  | #ifdef FWDUMP_bcmdhd | 
|  | RunCommand("DUMP WIFI STATUS", {"dhdutil", "-i", "wlan0", "dump"}, AS_ROOT_20); | 
|  |  | 
|  | RunCommand("DUMP WIFI INTERNAL COUNTERS (2)", {WLUTIL, "counters"}, AS_ROOT_20); | 
|  |  | 
|  | RunCommand("ND OFFLOAD STATUS (2)", {WLUTIL, "nd_status"}, CommandOptions::AS_ROOT); | 
|  | #endif | 
|  | DumpFile("INTERRUPTS (2)", "/proc/interrupts"); | 
|  |  | 
|  | print_properties(); | 
|  |  | 
|  | RunCommand("VOLD DUMP", {"vdc", "dump"}); | 
|  | RunCommand("SECURE CONTAINERS", {"vdc", "asec", "list"}); | 
|  |  | 
|  | RunCommand("STORAGED TASKIOINFO", {"storaged", "-u"}, CommandOptions::WithTimeout(10).Build()); | 
|  |  | 
|  | RunCommand("FILESYSTEMS & FREE SPACE", {"df"}); | 
|  |  | 
|  | RunCommand("LAST RADIO LOG", {"parse_radio_log", "/proc/last_radio_log"}); | 
|  |  | 
|  | printf("------ BACKLIGHTS ------\n"); | 
|  | printf("LCD brightness="); | 
|  | DumpFile("", "/sys/class/leds/lcd-backlight/brightness"); | 
|  | printf("Button brightness="); | 
|  | DumpFile("", "/sys/class/leds/button-backlight/brightness"); | 
|  | printf("Keyboard brightness="); | 
|  | DumpFile("", "/sys/class/leds/keyboard-backlight/brightness"); | 
|  | printf("ALS mode="); | 
|  | DumpFile("", "/sys/class/leds/lcd-backlight/als"); | 
|  | printf("LCD driver registers:\n"); | 
|  | DumpFile("", "/sys/class/leds/lcd-backlight/registers"); | 
|  | printf("\n"); | 
|  |  | 
|  | /* Binder state is expensive to look at as it uses a lot of memory. */ | 
|  | DumpFile("BINDER FAILED TRANSACTION LOG", "/sys/kernel/debug/binder/failed_transaction_log"); | 
|  | DumpFile("BINDER TRANSACTION LOG", "/sys/kernel/debug/binder/transaction_log"); | 
|  | DumpFile("BINDER TRANSACTIONS", "/sys/kernel/debug/binder/transactions"); | 
|  | DumpFile("BINDER STATS", "/sys/kernel/debug/binder/stats"); | 
|  | DumpFile("BINDER STATE", "/sys/kernel/debug/binder/state"); | 
|  |  | 
|  | ds.DumpstateBoard(); | 
|  |  | 
|  | /* Migrate the ril_dumpstate to a device specific dumpstate? */ | 
|  | int rilDumpstateTimeout = android::base::GetIntProperty("ril.dumpstate.timeout", 0); | 
|  | if (rilDumpstateTimeout > 0) { | 
|  | // su does not exist on user builds, so try running without it. | 
|  | // This way any implementations of vril-dump that do not require | 
|  | // root can run on user builds. | 
|  | CommandOptions::CommandOptionsBuilder options = | 
|  | CommandOptions::WithTimeout(rilDumpstateTimeout); | 
|  | if (!PropertiesHelper::IsUserBuild()) { | 
|  | options.AsRoot(); | 
|  | } | 
|  | RunCommand("DUMP VENDOR RIL LOGS", {"vril-dump"}, options.Build()); | 
|  | } | 
|  |  | 
|  | printf("========================================================\n"); | 
|  | printf("== Android Framework Services\n"); | 
|  | printf("========================================================\n"); | 
|  |  | 
|  | RunDumpsys("DUMPSYS", {"--skip", "meminfo", "cpuinfo"}, CommandOptions::WithTimeout(90).Build(), | 
|  | 10); | 
|  |  | 
|  | printf("========================================================\n"); | 
|  | printf("== Checkins\n"); | 
|  | printf("========================================================\n"); | 
|  |  | 
|  | RunDumpsys("CHECKIN BATTERYSTATS", {"batterystats", "-c"}); | 
|  | RunDumpsys("CHECKIN MEMINFO", {"meminfo", "--checkin"}); | 
|  | RunDumpsys("CHECKIN NETSTATS", {"netstats", "--checkin"}); | 
|  | RunDumpsys("CHECKIN PROCSTATS", {"procstats", "-c"}); | 
|  | RunDumpsys("CHECKIN USAGESTATS", {"usagestats", "-c"}); | 
|  | RunDumpsys("CHECKIN PACKAGE", {"package", "--checkin"}); | 
|  |  | 
|  | printf("========================================================\n"); | 
|  | printf("== Running Application Activities\n"); | 
|  | printf("========================================================\n"); | 
|  |  | 
|  | RunDumpsys("APP ACTIVITIES", {"activity", "all"}); | 
|  |  | 
|  | printf("========================================================\n"); | 
|  | printf("== Running Application Services\n"); | 
|  | printf("========================================================\n"); | 
|  |  | 
|  | RunDumpsys("APP SERVICES", {"activity", "service", "all"}); | 
|  |  | 
|  | printf("========================================================\n"); | 
|  | printf("== Running Application Providers\n"); | 
|  | printf("========================================================\n"); | 
|  |  | 
|  | RunDumpsys("APP PROVIDERS", {"activity", "provider", "all"}); | 
|  |  | 
|  | // DumpModemLogs adds the modem logs if available to the bugreport. | 
|  | // Do this at the end to allow for sufficient time for the modem logs to be | 
|  | // collected. | 
|  | DumpModemLogs(); | 
|  |  | 
|  | printf("========================================================\n"); | 
|  | printf("== Final progress (pid %d): %d/%d (estimated %d)\n", ds.pid_, ds.progress_->Get(), | 
|  | ds.progress_->GetMax(), ds.progress_->GetInitialMax()); | 
|  | printf("========================================================\n"); | 
|  | printf("== dumpstate: done (id %d)\n", ds.id_); | 
|  | printf("========================================================\n"); | 
|  | } | 
|  |  | 
|  | void Dumpstate::DumpstateBoard() { | 
|  | DurationReporter duration_reporter("dumpstate_board()"); | 
|  | printf("========================================================\n"); | 
|  | printf("== Board\n"); | 
|  | printf("========================================================\n"); | 
|  |  | 
|  | ::android::sp<IDumpstateDevice> dumpstate_device(IDumpstateDevice::getService("dumpstate")); | 
|  | if (dumpstate_device == nullptr) { | 
|  | MYLOGE("No IDumpstateDevice implementation\n"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | if (!IsZipping()) { | 
|  | MYLOGD("Not dumping board info because it's not a zipped bugreport\n"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | std::string path = kDumpstateBoardPath; | 
|  | MYLOGI("Calling IDumpstateDevice implementation using path %s\n", path.c_str()); | 
|  |  | 
|  | int fd = | 
|  | TEMP_FAILURE_RETRY(open(path.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC | O_NOFOLLOW, | 
|  | S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)); | 
|  | if (fd < 0) { | 
|  | MYLOGE("Could not open file %s: %s\n", path.c_str(), strerror(errno)); | 
|  | return; | 
|  | } | 
|  |  | 
|  | native_handle_t* handle = native_handle_create(1, 0); | 
|  | if (handle == nullptr) { | 
|  | MYLOGE("Could not create native_handle\n"); | 
|  | return; | 
|  | } | 
|  | handle->data[0] = fd; | 
|  |  | 
|  | // TODO: need a timeout mechanism so dumpstate does not hang on device implementation call. | 
|  | android::hardware::Return<void> status = dumpstate_device->dumpstateBoard(handle); | 
|  | if (!status.isOk()) { | 
|  | MYLOGE("dumpstateBoard failed: %s\n", status.description().c_str()); | 
|  | native_handle_close(handle); | 
|  | native_handle_delete(handle); | 
|  | return; | 
|  | } | 
|  |  | 
|  | AddZipEntry("dumpstate-board.txt", path); | 
|  | printf("*** See dumpstate-board.txt entry ***\n"); | 
|  |  | 
|  | native_handle_close(handle); | 
|  | native_handle_delete(handle); | 
|  |  | 
|  | if (remove(path.c_str()) != 0) { | 
|  | MYLOGE("Could not remove(%s): %s\n", path.c_str(), strerror(errno)); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void ShowUsageAndExit(int exitCode = 1) { | 
|  | fprintf(stderr, | 
|  | "usage: dumpstate [-h] [-b soundfile] [-e soundfile] [-o file] [-d] [-p] " | 
|  | "[-z]] [-s] [-S] [-q] [-B] [-P] [-R] [-V version]\n" | 
|  | "  -h: display this help message\n" | 
|  | "  -b: play sound file instead of vibrate, at beginning of job\n" | 
|  | "  -e: play sound file instead of vibrate, at end of job\n" | 
|  | "  -o: write to file (instead of stdout)\n" | 
|  | "  -d: append date to filename (requires -o)\n" | 
|  | "  -p: capture screenshot to filename.png (requires -o)\n" | 
|  | "  -z: generate zipped file (requires -o)\n" | 
|  | "  -s: write output to control socket (for init)\n" | 
|  | "  -S: write file location to control socket (for init; requires -o and -z)" | 
|  | "  -q: disable vibrate\n" | 
|  | "  -B: send broadcast when finished (requires -o)\n" | 
|  | "  -P: send broadcast when started and update system properties on " | 
|  | "progress (requires -o and -B)\n" | 
|  | "  -R: take bugreport in remote mode (requires -o, -z, -d and -B, " | 
|  | "shouldn't be used with -P)\n" | 
|  | "  -v: prints the dumpstate header and exit\n"); | 
|  | exit(exitCode); | 
|  | } | 
|  |  | 
|  | static void ExitOnInvalidArgs() { | 
|  | fprintf(stderr, "invalid combination of args\n"); | 
|  | ShowUsageAndExit(); | 
|  | } | 
|  |  | 
|  | static void sig_handler(int) { | 
|  | _exit(EXIT_FAILURE); | 
|  | } | 
|  |  | 
|  | static void register_sig_handler() { | 
|  | struct sigaction sa; | 
|  | sigemptyset(&sa.sa_mask); | 
|  | sa.sa_flags = 0; | 
|  | sa.sa_handler = sig_handler; | 
|  | sigaction(SIGPIPE, &sa, NULL); // broken pipe | 
|  | sigaction(SIGSEGV, &sa, NULL); // segment fault | 
|  | sigaction(SIGINT, &sa, NULL); // ctrl-c | 
|  | sigaction(SIGTERM, &sa, NULL); // killed | 
|  | sigaction(SIGQUIT, &sa, NULL); // quit | 
|  | } | 
|  |  | 
|  | bool Dumpstate::FinishZipFile() { | 
|  | std::string entry_name = base_name_ + "-" + name_ + ".txt"; | 
|  | MYLOGD("Adding main entry (%s) from %s to .zip bugreport\n", entry_name.c_str(), | 
|  | tmp_path_.c_str()); | 
|  | // Final timestamp | 
|  | char date[80]; | 
|  | time_t the_real_now_please_stand_up = time(nullptr); | 
|  | strftime(date, sizeof(date), "%Y/%m/%d %H:%M:%S", localtime(&the_real_now_please_stand_up)); | 
|  | MYLOGD("dumpstate id %d finished around %s (%ld s)\n", ds.id_, date, | 
|  | the_real_now_please_stand_up - ds.now_); | 
|  |  | 
|  | if (!ds.AddZipEntry(entry_name, tmp_path_)) { | 
|  | MYLOGE("Failed to add text entry to .zip file\n"); | 
|  | return false; | 
|  | } | 
|  | if (!AddTextZipEntry("main_entry.txt", entry_name)) { | 
|  | MYLOGE("Failed to add main_entry.txt to .zip file\n"); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | // Add log file (which contains stderr output) to zip... | 
|  | fprintf(stderr, "dumpstate_log.txt entry on zip file logged up to here\n"); | 
|  | if (!ds.AddZipEntry("dumpstate_log.txt", ds.log_path_.c_str())) { | 
|  | MYLOGE("Failed to add dumpstate log to .zip file\n"); | 
|  | return false; | 
|  | } | 
|  | // ... and re-opens it for further logging. | 
|  | redirect_to_existing_file(stderr, const_cast<char*>(ds.log_path_.c_str())); | 
|  | fprintf(stderr, "\n"); | 
|  |  | 
|  | int32_t err = zip_writer_->Finish(); | 
|  | if (err != 0) { | 
|  | MYLOGE("zip_writer_->Finish(): %s\n", ZipWriter::ErrorCodeString(err)); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | // TODO: remove once FinishZipFile() is automatically handled by Dumpstate's destructor. | 
|  | ds.zip_file.reset(nullptr); | 
|  |  | 
|  | MYLOGD("Removing temporary file %s\n", tmp_path_.c_str()) | 
|  | if (remove(tmp_path_.c_str()) != 0) { | 
|  | MYLOGE("Failed to remove temporary file (%s): %s\n", tmp_path_.c_str(), strerror(errno)); | 
|  | } | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static std::string SHA256_file_hash(std::string filepath) { | 
|  | android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(filepath.c_str(), O_RDONLY | O_NONBLOCK | 
|  | | O_CLOEXEC | O_NOFOLLOW))); | 
|  | if (fd == -1) { | 
|  | MYLOGE("open(%s): %s\n", filepath.c_str(), strerror(errno)); | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | SHA256_CTX ctx; | 
|  | SHA256_Init(&ctx); | 
|  |  | 
|  | std::vector<uint8_t> buffer(65536); | 
|  | while (1) { | 
|  | ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd.get(), buffer.data(), buffer.size())); | 
|  | if (bytes_read == 0) { | 
|  | break; | 
|  | } else if (bytes_read == -1) { | 
|  | MYLOGE("read(%s): %s\n", filepath.c_str(), strerror(errno)); | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | SHA256_Update(&ctx, buffer.data(), bytes_read); | 
|  | } | 
|  |  | 
|  | uint8_t hash[SHA256_DIGEST_LENGTH]; | 
|  | SHA256_Final(hash, &ctx); | 
|  |  | 
|  | char hash_buffer[SHA256_DIGEST_LENGTH * 2 + 1]; | 
|  | for(size_t i = 0; i < SHA256_DIGEST_LENGTH; i++) { | 
|  | sprintf(hash_buffer + (i * 2), "%02x", hash[i]); | 
|  | } | 
|  | hash_buffer[sizeof(hash_buffer) - 1] = 0; | 
|  | return std::string(hash_buffer); | 
|  | } | 
|  |  | 
|  | int main(int argc, char *argv[]) { | 
|  | int do_add_date = 0; | 
|  | int do_zip_file = 0; | 
|  | int do_vibrate = 1; | 
|  | char* use_outfile = 0; | 
|  | int use_socket = 0; | 
|  | int use_control_socket = 0; | 
|  | int do_fb = 0; | 
|  | int do_broadcast = 0; | 
|  | int is_remote_mode = 0; | 
|  | bool show_header_only = false; | 
|  | bool do_start_service = false; | 
|  | bool telephony_only = false; | 
|  |  | 
|  | /* set as high priority, and protect from OOM killer */ | 
|  | setpriority(PRIO_PROCESS, 0, -20); | 
|  |  | 
|  | FILE* oom_adj = fopen("/proc/self/oom_score_adj", "we"); | 
|  | if (oom_adj) { | 
|  | fputs("-1000", oom_adj); | 
|  | fclose(oom_adj); | 
|  | } else { | 
|  | /* fallback to kernels <= 2.6.35 */ | 
|  | oom_adj = fopen("/proc/self/oom_adj", "we"); | 
|  | if (oom_adj) { | 
|  | fputs("-17", oom_adj); | 
|  | fclose(oom_adj); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* parse arguments */ | 
|  | int c; | 
|  | while ((c = getopt(argc, argv, "dho:svqzpPBRSV:")) != -1) { | 
|  | switch (c) { | 
|  | // clang-format off | 
|  | case 'd': do_add_date = 1;            break; | 
|  | case 'z': do_zip_file = 1;            break; | 
|  | case 'o': use_outfile = optarg;       break; | 
|  | case 's': use_socket = 1;             break; | 
|  | case 'S': use_control_socket = 1;     break; | 
|  | case 'v': show_header_only = true;    break; | 
|  | case 'q': do_vibrate = 0;             break; | 
|  | case 'p': do_fb = 1;                  break; | 
|  | case 'P': ds.update_progress_ = true; break; | 
|  | case 'R': is_remote_mode = 1;         break; | 
|  | case 'B': do_broadcast = 1;           break; | 
|  | case 'V':                             break; // compatibility no-op | 
|  | case 'h': | 
|  | ShowUsageAndExit(0); | 
|  | break; | 
|  | default: | 
|  | fprintf(stderr, "Invalid option: %c\n", c); | 
|  | ShowUsageAndExit(); | 
|  | // clang-format on | 
|  | } | 
|  | } | 
|  |  | 
|  | // TODO: use helper function to convert argv into a string | 
|  | for (int i = 0; i < argc; i++) { | 
|  | ds.args_ += argv[i]; | 
|  | if (i < argc - 1) { | 
|  | ds.args_ += " "; | 
|  | } | 
|  | } | 
|  |  | 
|  | ds.extra_options_ = android::base::GetProperty(PROPERTY_EXTRA_OPTIONS, ""); | 
|  | if (!ds.extra_options_.empty()) { | 
|  | // Framework uses a system property to override some command-line args. | 
|  | // Currently, it contains the type of the requested bugreport. | 
|  | if (ds.extra_options_ == "bugreportplus") { | 
|  | // Currently, the dumpstate binder is only used by Shell to update progress. | 
|  | do_start_service = true; | 
|  | ds.update_progress_ = true; | 
|  | do_fb = 0; | 
|  | } else if (ds.extra_options_ == "bugreportremote") { | 
|  | do_vibrate = 0; | 
|  | is_remote_mode = 1; | 
|  | do_fb = 0; | 
|  | } else if (ds.extra_options_ == "bugreportwear") { | 
|  | ds.update_progress_ = true; | 
|  | } else if (ds.extra_options_ == "bugreporttelephony") { | 
|  | telephony_only = true; | 
|  | } else { | 
|  | MYLOGE("Unknown extra option: %s\n", ds.extra_options_.c_str()); | 
|  | } | 
|  | // Reset the property | 
|  | android::base::SetProperty(PROPERTY_EXTRA_OPTIONS, ""); | 
|  | } | 
|  |  | 
|  | if ((do_zip_file || do_add_date || ds.update_progress_ || do_broadcast) && !use_outfile) { | 
|  | ExitOnInvalidArgs(); | 
|  | } | 
|  |  | 
|  | if (use_control_socket && !do_zip_file) { | 
|  | ExitOnInvalidArgs(); | 
|  | } | 
|  |  | 
|  | if (ds.update_progress_ && !do_broadcast) { | 
|  | ExitOnInvalidArgs(); | 
|  | } | 
|  |  | 
|  | if (is_remote_mode && (ds.update_progress_ || !do_broadcast || !do_zip_file || !do_add_date)) { | 
|  | ExitOnInvalidArgs(); | 
|  | } | 
|  |  | 
|  | if (ds.version_ == VERSION_DEFAULT) { | 
|  | ds.version_ = VERSION_CURRENT; | 
|  | } | 
|  |  | 
|  | if (ds.version_ != VERSION_CURRENT && ds.version_ != VERSION_SPLIT_ANR) { | 
|  | MYLOGE("invalid version requested ('%s'); suppported values are: ('%s', '%s', '%s')\n", | 
|  | ds.version_.c_str(), VERSION_DEFAULT.c_str(), VERSION_CURRENT.c_str(), | 
|  | VERSION_SPLIT_ANR.c_str()); | 
|  | exit(1); | 
|  | } | 
|  |  | 
|  | if (show_header_only) { | 
|  | ds.PrintHeader(); | 
|  | exit(0); | 
|  | } | 
|  |  | 
|  | /* redirect output if needed */ | 
|  | bool is_redirecting = !use_socket && use_outfile; | 
|  |  | 
|  | // TODO: temporarily set progress until it's part of the Dumpstate constructor | 
|  | std::string stats_path = | 
|  | is_redirecting ? android::base::StringPrintf("%s/dumpstate-stats.txt", dirname(use_outfile)) | 
|  | : ""; | 
|  | ds.progress_.reset(new Progress(stats_path)); | 
|  |  | 
|  | /* gets the sequential id */ | 
|  | uint32_t last_id = android::base::GetIntProperty(PROPERTY_LAST_ID, 0); | 
|  | ds.id_ = ++last_id; | 
|  | android::base::SetProperty(PROPERTY_LAST_ID, std::to_string(last_id)); | 
|  |  | 
|  | MYLOGI("begin\n"); | 
|  |  | 
|  | register_sig_handler(); | 
|  |  | 
|  | if (do_start_service) { | 
|  | MYLOGI("Starting 'dumpstate' service\n"); | 
|  | android::status_t ret; | 
|  | if ((ret = android::os::DumpstateService::Start()) != android::OK) { | 
|  | MYLOGE("Unable to start DumpstateService: %d\n", ret); | 
|  | } | 
|  | } | 
|  |  | 
|  | if (PropertiesHelper::IsDryRun()) { | 
|  | MYLOGI("Running on dry-run mode (to disable it, call 'setprop dumpstate.dry_run false')\n"); | 
|  | } | 
|  |  | 
|  | MYLOGI("dumpstate info: id=%d, args='%s', extra_options= %s)\n", ds.id_, ds.args_.c_str(), | 
|  | ds.extra_options_.c_str()); | 
|  |  | 
|  | MYLOGI("bugreport format version: %s\n", ds.version_.c_str()); | 
|  |  | 
|  | ds.do_early_screenshot_ = ds.update_progress_; | 
|  |  | 
|  | // If we are going to use a socket, do it as early as possible | 
|  | // to avoid timeouts from bugreport. | 
|  | if (use_socket) { | 
|  | redirect_to_socket(stdout, "dumpstate"); | 
|  | } | 
|  |  | 
|  | if (use_control_socket) { | 
|  | MYLOGD("Opening control socket\n"); | 
|  | ds.control_socket_fd_ = open_socket("dumpstate"); | 
|  | ds.update_progress_ = 1; | 
|  | } | 
|  |  | 
|  | if (is_redirecting) { | 
|  | ds.bugreport_dir_ = dirname(use_outfile); | 
|  | std::string build_id = android::base::GetProperty("ro.build.id", "UNKNOWN_BUILD"); | 
|  | std::string device_name = android::base::GetProperty("ro.product.device", "UNKNOWN_DEVICE"); | 
|  | ds.base_name_ = android::base::StringPrintf("%s-%s-%s", basename(use_outfile), | 
|  | device_name.c_str(), build_id.c_str()); | 
|  | if (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 (telephony_only) { | 
|  | ds.base_name_ += "-telephony"; | 
|  | } | 
|  |  | 
|  | if (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 (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)); | 
|  | do_zip_file = 0; | 
|  | } else { | 
|  | ds.zip_writer_.reset(new ZipWriter(ds.zip_file.get())); | 
|  | } | 
|  | ds.AddTextZipEntry("version.txt", ds.version_); | 
|  | } | 
|  |  | 
|  | if (ds.update_progress_) { | 
|  | if (do_broadcast) { | 
|  | // clang-format off | 
|  |  | 
|  | // NOTE: flag must be kept in sync when the value of | 
|  | // FLAG_RECEIVER_INCLUDE_BACKGROUND is changed. | 
|  | std::vector<std::string> am_args = { | 
|  | "--receiver-permission", "android.permission.DUMP", "--receiver-foreground", | 
|  | "-f", "0x01000000", | 
|  | "--es", "android.intent.extra.NAME", ds.name_, | 
|  | "--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()), | 
|  | }; | 
|  | // clang-format on | 
|  | send_broadcast("android.intent.action.BUGREPORT_STARTED", am_args); | 
|  | } | 
|  | if (use_control_socket) { | 
|  | dprintf(ds.control_socket_fd_, "BEGIN:%s\n", ds.path_.c_str()); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | /* read /proc/cmdline before dropping root */ | 
|  | FILE *cmdline = fopen("/proc/cmdline", "re"); | 
|  | if (cmdline) { | 
|  | fgets(cmdline_buf, sizeof(cmdline_buf), cmdline); | 
|  | fclose(cmdline); | 
|  | } | 
|  |  | 
|  | ::android::sp<IVibrator> vibrator = nullptr; | 
|  | if (do_vibrate) { | 
|  | vibrator = IVibrator::getService(); | 
|  |  | 
|  | if (vibrator != nullptr) { | 
|  | // cancel previous vibration if any | 
|  | ::android::hardware::Return<VibratorStatus> offStatus = vibrator->off(); | 
|  | if (!offStatus.isOk() || offStatus != VibratorStatus::OK) { | 
|  | MYLOGE("Vibrator off failed."); | 
|  | } else { | 
|  | ::android::hardware::Return<VibratorStatus> onStatus = vibrator->on(150); | 
|  | if (!onStatus.isOk() || onStatus != VibratorStatus::OK) { | 
|  | MYLOGE("Vibrator on failed."); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | if (do_fb && ds.do_early_screenshot_) { | 
|  | if (ds.screenshot_path_.empty()) { | 
|  | // should not have happened | 
|  | MYLOGE("INTERNAL ERROR: skipping early screenshot because path was not set\n"); | 
|  | } else { | 
|  | MYLOGI("taking early screenshot\n"); | 
|  | ds.TakeScreenshot(); | 
|  | } | 
|  | } | 
|  |  | 
|  | if (do_zip_file) { | 
|  | 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)); | 
|  | } | 
|  | } | 
|  |  | 
|  | if (is_redirecting) { | 
|  | redirect_to_file(stderr, const_cast<char*>(ds.log_path_.c_str())); | 
|  | if (chown(ds.log_path_.c_str(), AID_SHELL, AID_SHELL)) { | 
|  | MYLOGE("Unable to change ownership of dumpstate log file %s: %s\n", | 
|  | ds.log_path_.c_str(), strerror(errno)); | 
|  | } | 
|  | /* TODO: rather than generating a text file now and zipping it later, | 
|  | it would be more efficient to redirect stdout to the zip entry | 
|  | directly, but the libziparchive doesn't support that option yet. */ | 
|  | redirect_to_file(stdout, const_cast<char*>(ds.tmp_path_.c_str())); | 
|  | if (chown(ds.tmp_path_.c_str(), AID_SHELL, AID_SHELL)) { | 
|  | MYLOGE("Unable to change ownership of temporary bugreport file %s: %s\n", | 
|  | ds.tmp_path_.c_str(), strerror(errno)); | 
|  | } | 
|  | } | 
|  |  | 
|  | // Don't buffer stdout | 
|  | setvbuf(stdout, nullptr, _IONBF, 0); | 
|  |  | 
|  | // NOTE: there should be no stdout output until now, otherwise it would break the header. | 
|  | // In particular, DurationReport objects should be created passing 'title, NULL', so their | 
|  | // duration is logged into MYLOG instead. | 
|  | ds.PrintHeader(); | 
|  |  | 
|  | if (telephony_only) { | 
|  | DumpIpTables(); | 
|  | if (!DropRootUser()) { | 
|  | return -1; | 
|  | } | 
|  | do_dmesg(); | 
|  | DoLogcat(); | 
|  | DoKmsg(); | 
|  | ds.DumpstateBoard(); | 
|  | DumpModemLogs(); | 
|  | } 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. | 
|  | RunDumpsys("DUMPSYS MEMINFO", {"meminfo", "-a"}, | 
|  | CommandOptions::WithTimeout(90).DropRoot().Build()); | 
|  | RunDumpsys("DUMPSYS CPUINFO", {"cpuinfo", "-a"}, | 
|  | CommandOptions::WithTimeout(10).DropRoot().Build()); | 
|  |  | 
|  | // TODO: Drop root user and move into dumpstate() once b/28633932 is fixed. | 
|  | dump_raft(); | 
|  |  | 
|  | /* collect stack traces from Dalvik and native processes (needs root) */ | 
|  | dump_traces_path = dump_traces(); | 
|  |  | 
|  | /* Run some operations that require root. */ | 
|  | get_tombstone_fds(tombstone_data); | 
|  | ds.AddDir(RECOVERY_DIR, true); | 
|  | ds.AddDir(RECOVERY_DATA_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(); | 
|  | DumpIpTables(); | 
|  |  | 
|  | // 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()); | 
|  |  | 
|  | if (!DropRootUser()) { | 
|  | return -1; | 
|  | } | 
|  |  | 
|  | dumpstate(); | 
|  | } | 
|  |  | 
|  | /* close output if needed */ | 
|  | if (is_redirecting) { | 
|  | fclose(stdout); | 
|  | } | 
|  |  | 
|  | /* rename or zip the (now complete) .tmp file to its final location */ | 
|  | if (use_outfile) { | 
|  |  | 
|  | /* 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 (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 (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()); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | /* vibrate a few but shortly times to let user know it's finished */ | 
|  | if (vibrator != nullptr) { | 
|  | // in case dumpstate magically completes before the above vibration | 
|  | ::android::hardware::Return<VibratorStatus> offStatus = vibrator->off(); | 
|  | if (!offStatus.isOk() || offStatus != VibratorStatus::OK) { | 
|  | MYLOGE("Vibrator off failed."); | 
|  | } else { | 
|  | for (int i = 0; i < 3; i++) { | 
|  | ::android::hardware::Return<VibratorStatus> onStatus = vibrator->on(75); | 
|  | if (!onStatus.isOk() || onStatus != VibratorStatus::OK) { | 
|  | MYLOGE("Vibrator on failed."); | 
|  | break; | 
|  | } | 
|  | usleep((75 + 50) * 1000); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | /* tell activity manager we're done */ | 
|  | if (do_broadcast) { | 
|  | if (!ds.path_.empty()) { | 
|  | MYLOGI("Final bugreport path: %s\n", ds.path_.c_str()); | 
|  | // clang-format off | 
|  |  | 
|  | // NOTE: flag must be kept in sync when the value of | 
|  | // FLAG_RECEIVER_INCLUDE_BACKGROUND is changed. | 
|  | std::vector<std::string> am_args = { | 
|  | "--receiver-permission", "android.permission.DUMP", "--receiver-foreground", | 
|  | "-f", "0x01000000", | 
|  | "--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 (do_fb) { | 
|  | am_args.push_back("--es"); | 
|  | am_args.push_back("android.intent.extra.SCREENSHOT"); | 
|  | am_args.push_back(ds.screenshot_path_); | 
|  | } | 
|  | if (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_)); | 
|  | send_broadcast("android.intent.action.REMOTE_BUGREPORT_FINISHED", am_args); | 
|  | } else { | 
|  | send_broadcast("android.intent.action.BUGREPORT_FINISHED", am_args); | 
|  | } | 
|  | } else { | 
|  | MYLOGE("Skipping finished broadcast because bugreport could not be generated\n"); | 
|  | } | 
|  | } | 
|  |  | 
|  | MYLOGD("Final progress: %d/%d (estimated %d)\n", ds.progress_->Get(), ds.progress_->GetMax(), | 
|  | ds.progress_->GetInitialMax()); | 
|  | ds.progress_->Save(); | 
|  | MYLOGI("done (id %d)\n", ds.id_); | 
|  |  | 
|  | if (is_redirecting) { | 
|  | fclose(stderr); | 
|  | } | 
|  |  | 
|  | if (use_control_socket && ds.control_socket_fd_ != -1) { | 
|  | MYLOGD("Closing control socket\n"); | 
|  | close(ds.control_socket_fd_); | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } |