dumpstate.cpp revision 6c3d90f89a4313eb449c770db6f05b2819cdd8bb
1/* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16#define LOG_TAG "dumpstate" 17 18#include <dirent.h> 19#include <errno.h> 20#include <fcntl.h> 21#include <libgen.h> 22#include <limits.h> 23#include <memory> 24#include <regex> 25#include <set> 26#include <stdbool.h> 27#include <stdio.h> 28#include <stdlib.h> 29#include <string> 30#include <string.h> 31#include <sys/prctl.h> 32#include <sys/resource.h> 33#include <sys/stat.h> 34#include <sys/time.h> 35#include <sys/wait.h> 36#include <unistd.h> 37 38#include <android-base/stringprintf.h> 39#include <android-base/unique_fd.h> 40#include <cutils/properties.h> 41 42#include <private/android_filesystem_config.h> 43#include <private/android_logger.h> 44 45#include "dumpstate.h" 46#include "ziparchive/zip_writer.h" 47 48#include <openssl/sha.h> 49 50using android::base::StringPrintf; 51 52/* read before root is shed */ 53static char cmdline_buf[16384] = "(unknown)"; 54static const char *dump_traces_path = NULL; 55 56// TODO: should be part of dumpstate object 57static unsigned long id; 58static char build_type[PROPERTY_VALUE_MAX]; 59static time_t now; 60static std::unique_ptr<ZipWriter> zip_writer; 61static std::set<std::string> mount_points; 62void add_mountinfo(); 63static int control_socket_fd; 64/* suffix of the bugreport files - it's typically the date (when invoked with -d), 65 * although it could be changed by the user using a system property */ 66static std::string suffix; 67 68#define PSTORE_LAST_KMSG "/sys/fs/pstore/console-ramoops" 69#define ALT_PSTORE_LAST_KMSG "/sys/fs/pstore/console-ramoops-0" 70 71#define RAFT_DIR "/data/misc/raft/" 72#define RECOVERY_DIR "/cache/recovery" 73#define RECOVERY_DATA_DIR "/data/misc/recovery" 74#define LOGPERSIST_DATA_DIR "/data/misc/logd" 75#define TOMBSTONE_DIR "/data/tombstones" 76#define TOMBSTONE_FILE_PREFIX TOMBSTONE_DIR "/tombstone_" 77/* Can accomodate a tombstone number up to 9999. */ 78#define TOMBSTONE_MAX_LEN (sizeof(TOMBSTONE_FILE_PREFIX) + 4) 79#define NUM_TOMBSTONES 10 80#define WLUTIL "/vendor/xbin/wlutil" 81 82typedef struct { 83 char name[TOMBSTONE_MAX_LEN]; 84 int fd; 85} tombstone_data_t; 86 87static tombstone_data_t tombstone_data[NUM_TOMBSTONES]; 88 89const std::string ZIP_ROOT_DIR = "FS"; 90std::string bugreport_dir; 91 92/* 93 * List of supported zip format versions. 94 * 95 * See bugreport-format.txt for more info. 96 */ 97static std::string VERSION_DEFAULT = "1.0"; 98 99bool is_user_build() { 100 return 0 == strncmp(build_type, "user", PROPERTY_VALUE_MAX - 1); 101} 102 103/* gets the tombstone data, according to the bugreport type: if zipped gets all tombstones, 104 * otherwise gets just those modified in the last half an hour. */ 105static void get_tombstone_fds(tombstone_data_t data[NUM_TOMBSTONES]) { 106 time_t thirty_minutes_ago = now - 60*30; 107 for (size_t i = 0; i < NUM_TOMBSTONES; i++) { 108 snprintf(data[i].name, sizeof(data[i].name), "%s%02zu", TOMBSTONE_FILE_PREFIX, i); 109 int fd = TEMP_FAILURE_RETRY(open(data[i].name, 110 O_RDONLY | O_CLOEXEC | O_NOFOLLOW | O_NONBLOCK)); 111 struct stat st; 112 if (fstat(fd, &st) == 0 && S_ISREG(st.st_mode) && 113 (zip_writer || (time_t) st.st_mtime >= thirty_minutes_ago)) { 114 data[i].fd = fd; 115 } else { 116 close(fd); 117 data[i].fd = -1; 118 } 119 } 120} 121 122// for_each_pid() callback to get mount info about a process. 123void do_mountinfo(int pid, const char *name) { 124 char path[PATH_MAX]; 125 126 // Gets the the content of the /proc/PID/ns/mnt link, so only unique mount points 127 // are added. 128 snprintf(path, sizeof(path), "/proc/%d/ns/mnt", pid); 129 char linkname[PATH_MAX]; 130 ssize_t r = readlink(path, linkname, PATH_MAX); 131 if (r == -1) { 132 MYLOGE("Unable to read link for %s: %s\n", path, strerror(errno)); 133 return; 134 } 135 linkname[r] = '\0'; 136 137 if (mount_points.find(linkname) == mount_points.end()) { 138 // First time this mount point was found: add it 139 snprintf(path, sizeof(path), "/proc/%d/mountinfo", pid); 140 if (add_zip_entry(ZIP_ROOT_DIR + path, path)) { 141 mount_points.insert(linkname); 142 } else { 143 MYLOGE("Unable to add mountinfo %s to zip file\n", path); 144 } 145 } 146} 147 148void add_mountinfo() { 149 if (!zip_writer) return; 150 const char *title = "MOUNT INFO"; 151 mount_points.clear(); 152 DurationReporter duration_reporter(title, NULL); 153 for_each_pid(do_mountinfo, NULL); 154 MYLOGD("%s: %d entries added to zip file\n", title, (int) mount_points.size()); 155} 156 157static void dump_dev_files(const char *title, const char *driverpath, const char *filename) 158{ 159 DIR *d; 160 struct dirent *de; 161 char path[PATH_MAX]; 162 163 d = opendir(driverpath); 164 if (d == NULL) { 165 return; 166 } 167 168 while ((de = readdir(d))) { 169 if (de->d_type != DT_LNK) { 170 continue; 171 } 172 snprintf(path, sizeof(path), "%s/%s/%s", driverpath, de->d_name, filename); 173 dump_file(title, path); 174 } 175 176 closedir(d); 177} 178 179static void dump_systrace() { 180 if (!zip_writer) { 181 MYLOGD("Not dumping systrace because zip_writer is not set\n"); 182 return; 183 } 184 std::string systrace_path = bugreport_dir + "/systrace-" + suffix + ".txt"; 185 if (systrace_path.empty()) { 186 MYLOGE("Not dumping systrace because path is empty\n"); 187 return; 188 } 189 const char* path = "/sys/kernel/debug/tracing/tracing_on"; 190 long int is_tracing; 191 if (read_file_as_long(path, &is_tracing)) { 192 return; // error already logged 193 } 194 if (is_tracing <= 0) { 195 MYLOGD("Skipping systrace because '%s' content is '%ld'\n", path, is_tracing); 196 return; 197 } 198 199 MYLOGD("Running '/system/bin/atrace --async_dump -o %s', which can take several minutes", 200 systrace_path.c_str()); 201 if (run_command("SYSTRACE", 120, "/system/bin/atrace", "--async_dump", "-o", 202 systrace_path.c_str(), NULL)) { 203 MYLOGE("systrace timed out, its zip entry will be incomplete\n"); 204 // TODO: run_command tries to kill the process, but atrace doesn't die peacefully; ideally, 205 // we should call strace to stop itself, but there is no such option yet (just a 206 // --async_stop, which stops and dump 207 // if (run_command("SYSTRACE", 10, "/system/bin/atrace", "--kill", NULL)) { 208 // MYLOGE("could not stop systrace "); 209 // } 210 } 211 if (!add_zip_entry("systrace.txt", systrace_path)) { 212 MYLOGE("Unable to add systrace file %s to zip file\n", systrace_path.c_str()); 213 } else { 214 if (remove(systrace_path.c_str())) { 215 MYLOGE("Error removing systrace file %s: %s", systrace_path.c_str(), strerror(errno)); 216 } 217 } 218} 219 220static bool skip_not_stat(const char *path) { 221 static const char stat[] = "/stat"; 222 size_t len = strlen(path); 223 if (path[len - 1] == '/') { /* Directory? */ 224 return false; 225 } 226 return strcmp(path + len - sizeof(stat) + 1, stat); /* .../stat? */ 227} 228 229static bool skip_none(const char *path) { 230 return false; 231} 232 233static const char mmcblk0[] = "/sys/block/mmcblk0/"; 234unsigned long worst_write_perf = 20000; /* in KB/s */ 235 236// 237// stat offsets 238// Name units description 239// ---- ----- ----------- 240// read I/Os requests number of read I/Os processed 241#define __STAT_READ_IOS 0 242// read merges requests number of read I/Os merged with in-queue I/O 243#define __STAT_READ_MERGES 1 244// read sectors sectors number of sectors read 245#define __STAT_READ_SECTORS 2 246// read ticks milliseconds total wait time for read requests 247#define __STAT_READ_TICKS 3 248// write I/Os requests number of write I/Os processed 249#define __STAT_WRITE_IOS 4 250// write merges requests number of write I/Os merged with in-queue I/O 251#define __STAT_WRITE_MERGES 5 252// write sectors sectors number of sectors written 253#define __STAT_WRITE_SECTORS 6 254// write ticks milliseconds total wait time for write requests 255#define __STAT_WRITE_TICKS 7 256// in_flight requests number of I/Os currently in flight 257#define __STAT_IN_FLIGHT 8 258// io_ticks milliseconds total time this block device has been active 259#define __STAT_IO_TICKS 9 260// time_in_queue milliseconds total wait time for all requests 261#define __STAT_IN_QUEUE 10 262#define __STAT_NUMBER_FIELD 11 263// 264// read I/Os, write I/Os 265// ===================== 266// 267// These values increment when an I/O request completes. 268// 269// read merges, write merges 270// ========================= 271// 272// These values increment when an I/O request is merged with an 273// already-queued I/O request. 274// 275// read sectors, write sectors 276// =========================== 277// 278// These values count the number of sectors read from or written to this 279// block device. The "sectors" in question are the standard UNIX 512-byte 280// sectors, not any device- or filesystem-specific block size. The 281// counters are incremented when the I/O completes. 282#define SECTOR_SIZE 512 283// 284// read ticks, write ticks 285// ======================= 286// 287// These values count the number of milliseconds that I/O requests have 288// waited on this block device. If there are multiple I/O requests waiting, 289// these values will increase at a rate greater than 1000/second; for 290// example, if 60 read requests wait for an average of 30 ms, the read_ticks 291// field will increase by 60*30 = 1800. 292// 293// in_flight 294// ========= 295// 296// This value counts the number of I/O requests that have been issued to 297// the device driver but have not yet completed. It does not include I/O 298// requests that are in the queue but not yet issued to the device driver. 299// 300// io_ticks 301// ======== 302// 303// This value counts the number of milliseconds during which the device has 304// had I/O requests queued. 305// 306// time_in_queue 307// ============= 308// 309// This value counts the number of milliseconds that I/O requests have waited 310// on this block device. If there are multiple I/O requests waiting, this 311// value will increase as the product of the number of milliseconds times the 312// number of requests waiting (see "read ticks" above for an example). 313#define S_TO_MS 1000 314// 315 316static int dump_stat_from_fd(const char *title __unused, const char *path, int fd) { 317 unsigned long long fields[__STAT_NUMBER_FIELD]; 318 bool z; 319 char *cp, *buffer = NULL; 320 size_t i = 0; 321 FILE *fp = fdopen(fd, "rb"); 322 getline(&buffer, &i, fp); 323 fclose(fp); 324 if (!buffer) { 325 return -errno; 326 } 327 i = strlen(buffer); 328 while ((i > 0) && (buffer[i - 1] == '\n')) { 329 buffer[--i] = '\0'; 330 } 331 if (!*buffer) { 332 free(buffer); 333 return 0; 334 } 335 z = true; 336 for (cp = buffer, i = 0; i < (sizeof(fields) / sizeof(fields[0])); ++i) { 337 fields[i] = strtoull(cp, &cp, 10); 338 if (fields[i] != 0) { 339 z = false; 340 } 341 } 342 if (z) { /* never accessed */ 343 free(buffer); 344 return 0; 345 } 346 347 if (!strncmp(path, mmcblk0, sizeof(mmcblk0) - 1)) { 348 path += sizeof(mmcblk0) - 1; 349 } 350 351 printf("%s: %s\n", path, buffer); 352 free(buffer); 353 354 if (fields[__STAT_IO_TICKS]) { 355 unsigned long read_perf = 0; 356 unsigned long read_ios = 0; 357 if (fields[__STAT_READ_TICKS]) { 358 unsigned long long divisor = fields[__STAT_READ_TICKS] 359 * fields[__STAT_IO_TICKS]; 360 read_perf = ((unsigned long long)SECTOR_SIZE 361 * fields[__STAT_READ_SECTORS] 362 * fields[__STAT_IN_QUEUE] + (divisor >> 1)) 363 / divisor; 364 read_ios = ((unsigned long long)S_TO_MS * fields[__STAT_READ_IOS] 365 * fields[__STAT_IN_QUEUE] + (divisor >> 1)) 366 / divisor; 367 } 368 369 unsigned long write_perf = 0; 370 unsigned long write_ios = 0; 371 if (fields[__STAT_WRITE_TICKS]) { 372 unsigned long long divisor = fields[__STAT_WRITE_TICKS] 373 * fields[__STAT_IO_TICKS]; 374 write_perf = ((unsigned long long)SECTOR_SIZE 375 * fields[__STAT_WRITE_SECTORS] 376 * fields[__STAT_IN_QUEUE] + (divisor >> 1)) 377 / divisor; 378 write_ios = ((unsigned long long)S_TO_MS * fields[__STAT_WRITE_IOS] 379 * fields[__STAT_IN_QUEUE] + (divisor >> 1)) 380 / divisor; 381 } 382 383 unsigned queue = (fields[__STAT_IN_QUEUE] 384 + (fields[__STAT_IO_TICKS] >> 1)) 385 / fields[__STAT_IO_TICKS]; 386 387 if (!write_perf && !write_ios) { 388 printf("%s: perf(ios) rd: %luKB/s(%lu/s) q: %u\n", 389 path, read_perf, read_ios, queue); 390 } else { 391 printf("%s: perf(ios) rd: %luKB/s(%lu/s) wr: %luKB/s(%lu/s) q: %u\n", 392 path, read_perf, read_ios, write_perf, write_ios, queue); 393 } 394 395 /* bugreport timeout factor adjustment */ 396 if ((write_perf > 1) && (write_perf < worst_write_perf)) { 397 worst_write_perf = write_perf; 398 } 399 } 400 return 0; 401} 402 403/* timeout in ms */ 404static unsigned long logcat_timeout(const char *name) { 405 log_id_t id = android_name_to_log_id(name); 406 unsigned long property_size = __android_logger_get_buffer_size(id); 407 /* Engineering margin is ten-fold our guess */ 408 return 10 * (property_size + worst_write_perf) / worst_write_perf; 409} 410 411/* dumps the current system state to stdout */ 412static void print_header(std::string version) { 413 char build[PROPERTY_VALUE_MAX], fingerprint[PROPERTY_VALUE_MAX]; 414 char radio[PROPERTY_VALUE_MAX], bootloader[PROPERTY_VALUE_MAX]; 415 char network[PROPERTY_VALUE_MAX], date[80]; 416 417 property_get("ro.build.display.id", build, "(unknown)"); 418 property_get("ro.build.fingerprint", fingerprint, "(unknown)"); 419 property_get("ro.build.type", build_type, "(unknown)"); 420 property_get("ro.baseband", radio, "(unknown)"); 421 property_get("ro.bootloader", bootloader, "(unknown)"); 422 property_get("gsm.operator.alpha", network, "(unknown)"); 423 strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S", localtime(&now)); 424 425 printf("========================================================\n"); 426 printf("== dumpstate: %s\n", date); 427 printf("========================================================\n"); 428 429 printf("\n"); 430 printf("Build: %s\n", build); 431 printf("Build fingerprint: '%s'\n", fingerprint); /* format is important for other tools */ 432 printf("Bootloader: %s\n", bootloader); 433 printf("Radio: %s\n", radio); 434 printf("Network: %s\n", network); 435 436 printf("Kernel: "); 437 dump_file(NULL, "/proc/version"); 438 printf("Command line: %s\n", strtok(cmdline_buf, "\n")); 439 printf("Bugreport format version: %s\n", version.c_str()); 440 printf("Dumpstate info: id=%lu pid=%d\n", id, getpid()); 441 printf("\n"); 442} 443 444bool add_zip_entry_from_fd(const std::string& entry_name, int fd) { 445 if (!zip_writer) { 446 MYLOGD("Not adding zip entry %s from fd because zip_writer is not set\n", 447 entry_name.c_str()); 448 return false; 449 } 450 // Logging statement below is useful to time how long each entry takes, but it's too verbose. 451 // MYLOGD("Adding zip entry %s\n", entry_name.c_str()); 452 int32_t err = zip_writer->StartEntryWithTime(entry_name.c_str(), 453 ZipWriter::kCompress, get_mtime(fd, now)); 454 if (err) { 455 MYLOGE("zip_writer->StartEntryWithTime(%s): %s\n", entry_name.c_str(), 456 ZipWriter::ErrorCodeString(err)); 457 return false; 458 } 459 460 std::vector<uint8_t> buffer(65536); 461 while (1) { 462 ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer.data(), sizeof(buffer))); 463 if (bytes_read == 0) { 464 break; 465 } else if (bytes_read == -1) { 466 MYLOGE("read(%s): %s\n", entry_name.c_str(), strerror(errno)); 467 return false; 468 } 469 err = zip_writer->WriteBytes(buffer.data(), bytes_read); 470 if (err) { 471 MYLOGE("zip_writer->WriteBytes(): %s\n", ZipWriter::ErrorCodeString(err)); 472 return false; 473 } 474 } 475 476 err = zip_writer->FinishEntry(); 477 if (err) { 478 MYLOGE("zip_writer->FinishEntry(): %s\n", ZipWriter::ErrorCodeString(err)); 479 return false; 480 } 481 482 return true; 483} 484 485bool add_zip_entry(const std::string& entry_name, const std::string& entry_path) { 486 android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(entry_path.c_str(), O_RDONLY | O_NONBLOCK 487 | O_CLOEXEC))); 488 if (fd == -1) { 489 MYLOGE("open(%s): %s\n", entry_path.c_str(), strerror(errno)); 490 return false; 491 } 492 493 return add_zip_entry_from_fd(entry_name, fd.get()); 494} 495 496/* adds a file to the existing zipped bugreport */ 497static int _add_file_from_fd(const char *title, const char *path, int fd) { 498 return add_zip_entry_from_fd(ZIP_ROOT_DIR + path, fd) ? 0 : 1; 499} 500 501void add_dir(const char *dir, bool recursive) { 502 if (!zip_writer) { 503 MYLOGD("Not adding dir %s because zip_writer is not set\n", dir); 504 return; 505 } 506 MYLOGD("Adding dir %s (recursive: %d)\n", dir, recursive); 507 DurationReporter duration_reporter(dir, NULL); 508 dump_files(NULL, dir, recursive ? skip_none : is_dir, _add_file_from_fd); 509} 510 511/* adds a text entry entry to the existing zip file. */ 512static bool add_text_zip_entry(const std::string& entry_name, const std::string& content) { 513 if (!zip_writer) { 514 MYLOGD("Not adding text zip entry %s because zip_writer is not set\n", entry_name.c_str()); 515 return false; 516 } 517 MYLOGD("Adding zip text entry %s\n", entry_name.c_str()); 518 int32_t err = zip_writer->StartEntryWithTime(entry_name.c_str(), ZipWriter::kCompress, now); 519 if (err) { 520 MYLOGE("zip_writer->StartEntryWithTime(%s): %s\n", entry_name.c_str(), 521 ZipWriter::ErrorCodeString(err)); 522 return false; 523 } 524 525 err = zip_writer->WriteBytes(content.c_str(), content.length()); 526 if (err) { 527 MYLOGE("zip_writer->WriteBytes(%s): %s\n", entry_name.c_str(), 528 ZipWriter::ErrorCodeString(err)); 529 return false; 530 } 531 532 err = zip_writer->FinishEntry(); 533 if (err) { 534 MYLOGE("zip_writer->FinishEntry(): %s\n", ZipWriter::ErrorCodeString(err)); 535 return false; 536 } 537 538 return true; 539} 540 541static void dump_iptables() { 542 run_command("IPTABLES", 10, "iptables", "-L", "-nvx", NULL); 543 run_command("IP6TABLES", 10, "ip6tables", "-L", "-nvx", NULL); 544 run_command("IPTABLE NAT", 10, "iptables", "-t", "nat", "-L", "-nvx", NULL); 545 /* no ip6 nat */ 546 run_command("IPTABLE RAW", 10, "iptables", "-t", "raw", "-L", "-nvx", NULL); 547 run_command("IP6TABLE RAW", 10, "ip6tables", "-t", "raw", "-L", "-nvx", NULL); 548} 549 550static void dumpstate(const std::string& screenshot_path, const std::string& version) { 551 DurationReporter duration_reporter("DUMPSTATE"); 552 unsigned long timeout; 553 554 dump_dev_files("TRUSTY VERSION", "/sys/bus/platform/drivers/trusty", "trusty_version"); 555 run_command("UPTIME", 10, "uptime", NULL); 556 dump_files("UPTIME MMC PERF", mmcblk0, skip_not_stat, dump_stat_from_fd); 557 dump_emmc_ecsd("/d/mmc0/mmc0:0001/ext_csd"); 558 dump_file("MEMORY INFO", "/proc/meminfo"); 559 run_command("CPU INFO", 10, "top", "-b", "-n", "1", "-H", "-s", "6", 560 "-o", "pid,tid,user,pr,ni,%cpu,s,virt,res,pcy,cmd,name", NULL); 561 run_command("PROCRANK", 20, SU_PATH, "root", "procrank", NULL); 562 dump_file("VIRTUAL MEMORY STATS", "/proc/vmstat"); 563 dump_file("VMALLOC INFO", "/proc/vmallocinfo"); 564 dump_file("SLAB INFO", "/proc/slabinfo"); 565 dump_file("ZONEINFO", "/proc/zoneinfo"); 566 dump_file("PAGETYPEINFO", "/proc/pagetypeinfo"); 567 dump_file("BUDDYINFO", "/proc/buddyinfo"); 568 dump_file("FRAGMENTATION INFO", "/d/extfrag/unusable_index"); 569 570 dump_file("KERNEL WAKE SOURCES", "/d/wakeup_sources"); 571 dump_file("KERNEL CPUFREQ", "/sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state"); 572 dump_file("KERNEL SYNC", "/d/sync"); 573 574 run_command("PROCESSES AND THREADS", 10, "ps", "-A", "-T", "-Z", 575 "-O", "pri,nice,rtprio,sched,pcy", NULL); 576 run_command("LIBRANK", 10, SU_PATH, "root", "librank", NULL); 577 578 run_command("PRINTENV", 10, "printenv", NULL); 579 run_command("NETSTAT", 10, "netstat", "-n", NULL); 580 run_command("LSMOD", 10, "lsmod", NULL); 581 582 do_dmesg(); 583 584 run_command("LIST OF OPEN FILES", 10, SU_PATH, "root", "lsof", NULL); 585 for_each_pid(do_showmap, "SMAPS OF ALL PROCESSES"); 586 for_each_tid(show_wchan, "BLOCKED PROCESS WAIT-CHANNELS"); 587 for_each_pid(show_showtime, "PROCESS TIMES (pid cmd user system iowait+percentage)"); 588 589 /* Dump Bluetooth HCI logs */ 590 add_dir("/data/misc/bluetooth/logs", true); 591 592 if (!screenshot_path.empty()) { 593 MYLOGI("taking late screenshot\n"); 594 take_screenshot(screenshot_path); 595 MYLOGI("wrote screenshot: %s\n", screenshot_path.c_str()); 596 } 597 598 // dump_file("EVENT LOG TAGS", "/etc/event-log-tags"); 599 // calculate timeout 600 timeout = logcat_timeout("main") + logcat_timeout("system") + logcat_timeout("crash"); 601 if (timeout < 20000) { 602 timeout = 20000; 603 } 604 run_command("SYSTEM LOG", timeout / 1000, "logcat", "-v", "threadtime", 605 "-v", "printable", 606 "-d", 607 "*:v", NULL); 608 timeout = logcat_timeout("events"); 609 if (timeout < 20000) { 610 timeout = 20000; 611 } 612 run_command("EVENT LOG", timeout / 1000, "logcat", "-b", "events", 613 "-v", "threadtime", 614 "-v", "printable", 615 "-d", 616 "*:v", NULL); 617 timeout = logcat_timeout("radio"); 618 if (timeout < 20000) { 619 timeout = 20000; 620 } 621 run_command("RADIO LOG", timeout / 1000, "logcat", "-b", "radio", 622 "-v", "threadtime", 623 "-v", "printable", 624 "-d", 625 "*:v", NULL); 626 627 run_command("LOG STATISTICS", 10, "logcat", "-b", "all", "-S", NULL); 628 629 run_command("RAFT LOGS", 600, SU_PATH, "root", "logcompressor", "-r", RAFT_DIR, NULL); 630 631 /* show the traces we collected in main(), if that was done */ 632 if (dump_traces_path != NULL) { 633 dump_file("VM TRACES JUST NOW", dump_traces_path); 634 } 635 636 /* only show ANR traces if they're less than 15 minutes old */ 637 struct stat st; 638 char anr_traces_path[PATH_MAX]; 639 property_get("dalvik.vm.stack-trace-file", anr_traces_path, ""); 640 if (!anr_traces_path[0]) { 641 printf("*** NO VM TRACES FILE DEFINED (dalvik.vm.stack-trace-file)\n\n"); 642 } else { 643 int fd = TEMP_FAILURE_RETRY(open(anr_traces_path, 644 O_RDONLY | O_CLOEXEC | O_NOFOLLOW | O_NONBLOCK)); 645 if (fd < 0) { 646 printf("*** NO ANR VM TRACES FILE (%s): %s\n\n", anr_traces_path, strerror(errno)); 647 } else { 648 dump_file_from_fd("VM TRACES AT LAST ANR", anr_traces_path, fd); 649 } 650 } 651 652 /* slow traces for slow operations */ 653 if (anr_traces_path[0] != 0) { 654 int tail = strlen(anr_traces_path)-1; 655 while (tail > 0 && anr_traces_path[tail] != '/') { 656 tail--; 657 } 658 int i = 0; 659 while (1) { 660 sprintf(anr_traces_path+tail+1, "slow%02d.txt", i); 661 if (stat(anr_traces_path, &st)) { 662 // No traces file at this index, done with the files. 663 break; 664 } 665 dump_file("VM TRACES WHEN SLOW", anr_traces_path); 666 i++; 667 } 668 } 669 670 int dumped = 0; 671 for (size_t i = 0; i < NUM_TOMBSTONES; i++) { 672 if (tombstone_data[i].fd != -1) { 673 const char *name = tombstone_data[i].name; 674 int fd = tombstone_data[i].fd; 675 dumped = 1; 676 if (zip_writer) { 677 if (!add_zip_entry_from_fd(ZIP_ROOT_DIR + name, fd)) { 678 MYLOGE("Unable to add tombstone %s to zip file\n", name); 679 } 680 } else { 681 dump_file_from_fd("TOMBSTONE", name, fd); 682 } 683 close(fd); 684 tombstone_data[i].fd = -1; 685 } 686 } 687 if (!dumped) { 688 printf("*** NO TOMBSTONES to dump in %s\n\n", TOMBSTONE_DIR); 689 } 690 691 dump_file("NETWORK DEV INFO", "/proc/net/dev"); 692 dump_file("QTAGUID NETWORK INTERFACES INFO", "/proc/net/xt_qtaguid/iface_stat_all"); 693 dump_file("QTAGUID NETWORK INTERFACES INFO (xt)", "/proc/net/xt_qtaguid/iface_stat_fmt"); 694 dump_file("QTAGUID CTRL INFO", "/proc/net/xt_qtaguid/ctrl"); 695 dump_file("QTAGUID STATS INFO", "/proc/net/xt_qtaguid/stats"); 696 697 if (!stat(PSTORE_LAST_KMSG, &st)) { 698 /* Also TODO: Make console-ramoops CAP_SYSLOG protected. */ 699 dump_file("LAST KMSG", PSTORE_LAST_KMSG); 700 } else if (!stat(ALT_PSTORE_LAST_KMSG, &st)) { 701 dump_file("LAST KMSG", ALT_PSTORE_LAST_KMSG); 702 } else { 703 /* TODO: Make last_kmsg CAP_SYSLOG protected. b/5555691 */ 704 dump_file("LAST KMSG", "/proc/last_kmsg"); 705 } 706 707 /* kernels must set CONFIG_PSTORE_PMSG, slice up pstore with device tree */ 708 run_command("LAST LOGCAT", 10, "logcat", "-L", 709 "-b", "all", 710 "-v", "threadtime", 711 "-v", "printable", 712 "-d", 713 "*:v", NULL); 714 715 /* The following have a tendency to get wedged when wifi drivers/fw goes belly-up. */ 716 717 run_command("NETWORK INTERFACES", 10, "ip", "link", NULL); 718 719 run_command("IPv4 ADDRESSES", 10, "ip", "-4", "addr", "show", NULL); 720 run_command("IPv6 ADDRESSES", 10, "ip", "-6", "addr", "show", NULL); 721 722 run_command("IP RULES", 10, "ip", "rule", "show", NULL); 723 run_command("IP RULES v6", 10, "ip", "-6", "rule", "show", NULL); 724 725 dump_route_tables(); 726 727 run_command("ARP CACHE", 10, "ip", "-4", "neigh", "show", NULL); 728 run_command("IPv6 ND CACHE", 10, "ip", "-6", "neigh", "show", NULL); 729 run_command("MULTICAST ADDRESSES", 10, "ip", "maddr", NULL); 730 run_command("WIFI NETWORKS", 20, "wpa_cli", "IFNAME=wlan0", "list_networks", NULL); 731 732#ifdef FWDUMP_bcmdhd 733 run_command("ND OFFLOAD TABLE", 5, 734 SU_PATH, "root", WLUTIL, "nd_hostip", NULL); 735 736 run_command("DUMP WIFI INTERNAL COUNTERS (1)", 20, 737 SU_PATH, "root", WLUTIL, "counters", NULL); 738 739 run_command("ND OFFLOAD STATUS (1)", 5, 740 SU_PATH, "root", WLUTIL, "nd_status", NULL); 741 742#endif 743 dump_file("INTERRUPTS (1)", "/proc/interrupts"); 744 745 run_command("NETWORK DIAGNOSTICS", 10, "dumpsys", "-t", "10", "connectivity", "--diag", NULL); 746 747#ifdef FWDUMP_bcmdhd 748 run_command("DUMP WIFI STATUS", 20, 749 SU_PATH, "root", "dhdutil", "-i", "wlan0", "dump", NULL); 750 751 run_command("DUMP WIFI INTERNAL COUNTERS (2)", 20, 752 SU_PATH, "root", WLUTIL, "counters", NULL); 753 754 run_command("ND OFFLOAD STATUS (2)", 5, 755 SU_PATH, "root", WLUTIL, "nd_status", NULL); 756#endif 757 dump_file("INTERRUPTS (2)", "/proc/interrupts"); 758 759 print_properties(); 760 761 run_command("VOLD DUMP", 10, "vdc", "dump", NULL); 762 run_command("SECURE CONTAINERS", 10, "vdc", "asec", "list", NULL); 763 764 run_command("FILESYSTEMS & FREE SPACE", 10, "df", NULL); 765 766 run_command("LAST RADIO LOG", 10, "parse_radio_log", "/proc/last_radio_log", NULL); 767 768 printf("------ BACKLIGHTS ------\n"); 769 printf("LCD brightness="); 770 dump_file(NULL, "/sys/class/leds/lcd-backlight/brightness"); 771 printf("Button brightness="); 772 dump_file(NULL, "/sys/class/leds/button-backlight/brightness"); 773 printf("Keyboard brightness="); 774 dump_file(NULL, "/sys/class/leds/keyboard-backlight/brightness"); 775 printf("ALS mode="); 776 dump_file(NULL, "/sys/class/leds/lcd-backlight/als"); 777 printf("LCD driver registers:\n"); 778 dump_file(NULL, "/sys/class/leds/lcd-backlight/registers"); 779 printf("\n"); 780 781 /* Binder state is expensive to look at as it uses a lot of memory. */ 782 dump_file("BINDER FAILED TRANSACTION LOG", "/sys/kernel/debug/binder/failed_transaction_log"); 783 dump_file("BINDER TRANSACTION LOG", "/sys/kernel/debug/binder/transaction_log"); 784 dump_file("BINDER TRANSACTIONS", "/sys/kernel/debug/binder/transactions"); 785 dump_file("BINDER STATS", "/sys/kernel/debug/binder/stats"); 786 dump_file("BINDER STATE", "/sys/kernel/debug/binder/state"); 787 788 printf("========================================================\n"); 789 printf("== Board\n"); 790 printf("========================================================\n"); 791 792 dumpstate_board(); 793 printf("\n"); 794 795 /* Migrate the ril_dumpstate to a dumpstate_board()? */ 796 char ril_dumpstate_timeout[PROPERTY_VALUE_MAX] = {0}; 797 property_get("ril.dumpstate.timeout", ril_dumpstate_timeout, "30"); 798 if (strnlen(ril_dumpstate_timeout, PROPERTY_VALUE_MAX - 1) > 0) { 799 if (is_user_build()) { 800 // su does not exist on user builds, so try running without it. 801 // This way any implementations of vril-dump that do not require 802 // root can run on user builds. 803 run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout), 804 "vril-dump", NULL); 805 } else { 806 run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout), 807 SU_PATH, "root", "vril-dump", NULL); 808 } 809 } 810 811 printf("========================================================\n"); 812 printf("== Android Framework Services\n"); 813 printf("========================================================\n"); 814 815 run_command("DUMPSYS", 60, "dumpsys", "-t", "60", "--skip", "meminfo", "cpuinfo", NULL); 816 817 printf("========================================================\n"); 818 printf("== Checkins\n"); 819 printf("========================================================\n"); 820 821 run_command("CHECKIN BATTERYSTATS", 30, "dumpsys", "-t", "30", "batterystats", "-c", NULL); 822 run_command("CHECKIN MEMINFO", 30, "dumpsys", "-t", "30", "meminfo", "--checkin", NULL); 823 run_command("CHECKIN NETSTATS", 30, "dumpsys", "-t", "30", "netstats", "--checkin", NULL); 824 run_command("CHECKIN PROCSTATS", 30, "dumpsys", "-t", "30", "procstats", "-c", NULL); 825 run_command("CHECKIN USAGESTATS", 30, "dumpsys", "-t", "30", "usagestats", "-c", NULL); 826 run_command("CHECKIN PACKAGE", 30, "dumpsys", "-t", "30", "package", "--checkin", NULL); 827 828 printf("========================================================\n"); 829 printf("== Running Application Activities\n"); 830 printf("========================================================\n"); 831 832 run_command("APP ACTIVITIES", 30, "dumpsys", "-t", "30", "activity", "all", NULL); 833 834 printf("========================================================\n"); 835 printf("== Running Application Services\n"); 836 printf("========================================================\n"); 837 838 run_command("APP SERVICES", 30, "dumpsys", "-t", "30", "activity", "service", "all", NULL); 839 840 printf("========================================================\n"); 841 printf("== Running Application Providers\n"); 842 printf("========================================================\n"); 843 844 run_command("APP SERVICES", 30, "dumpsys", "-t", "30", "activity", "provider", "all", NULL); 845 846 847 printf("========================================================\n"); 848 printf("== Final progress (pid %d): %d/%d (originally %d)\n", 849 getpid(), progress, weight_total, WEIGHT_TOTAL); 850 printf("========================================================\n"); 851 printf("== dumpstate: done\n"); 852 printf("========================================================\n"); 853} 854 855static void usage() { 856 fprintf(stderr, 857 "usage: dumpstate [-h] [-b soundfile] [-e soundfile] [-o file [-d] [-p] " 858 "[-z]] [-s] [-S] [-q] [-B] [-P] [-R] [-V version]\n" 859 " -h: display this help message\n" 860 " -b: play sound file instead of vibrate, at beginning of job\n" 861 " -e: play sound file instead of vibrate, at end of job\n" 862 " -o: write to file (instead of stdout)\n" 863 " -d: append date to filename (requires -o)\n" 864 " -p: capture screenshot to filename.png (requires -o)\n" 865 " -z: generate zipped file (requires -o)\n" 866 " -s: write output to control socket (for init)\n" 867 " -S: write file location to control socket (for init; requires -o and -z)" 868 " -q: disable vibrate\n" 869 " -B: send broadcast when finished (requires -o)\n" 870 " -P: send broadcast when started and update system properties on " 871 "progress (requires -o and -B)\n" 872 " -R: take bugreport in remote mode (requires -o, -z, -d and -B, " 873 "shouldn't be used with -P)\n" 874 " -V: sets the bugreport format version (valid values: %s)\n", 875 VERSION_DEFAULT.c_str()); 876} 877 878static void sigpipe_handler(int n) { 879 // don't complain to stderr or stdout 880 _exit(EXIT_FAILURE); 881} 882 883/* adds the temporary report to the existing .zip file, closes the .zip file, and removes the 884 temporary file. 885 */ 886static bool finish_zip_file(const std::string& bugreport_name, const std::string& bugreport_path, 887 time_t now) { 888 if (!add_zip_entry(bugreport_name, bugreport_path)) { 889 MYLOGE("Failed to add text entry to .zip file\n"); 890 return false; 891 } 892 if (!add_text_zip_entry("main_entry.txt", bugreport_name)) { 893 MYLOGE("Failed to add main_entry.txt to .zip file\n"); 894 return false; 895 } 896 897 int32_t err = zip_writer->Finish(); 898 if (err) { 899 MYLOGE("zip_writer->Finish(): %s\n", ZipWriter::ErrorCodeString(err)); 900 return false; 901 } 902 903 if (is_user_build()) { 904 MYLOGD("Removing temporary file %s\n", bugreport_path.c_str()) 905 if (remove(bugreport_path.c_str())) { 906 ALOGW("remove(%s): %s\n", bugreport_path.c_str(), strerror(errno)); 907 } 908 } else { 909 MYLOGD("Keeping temporary file %s on non-user build\n", bugreport_path.c_str()) 910 } 911 912 return true; 913} 914 915static std::string SHA256_file_hash(std::string filepath) { 916 android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(filepath.c_str(), O_RDONLY | O_NONBLOCK 917 | O_CLOEXEC | O_NOFOLLOW))); 918 if (fd == -1) { 919 MYLOGE("open(%s): %s\n", filepath.c_str(), strerror(errno)); 920 return NULL; 921 } 922 923 SHA256_CTX ctx; 924 SHA256_Init(&ctx); 925 926 std::vector<uint8_t> buffer(65536); 927 while (1) { 928 ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd.get(), buffer.data(), buffer.size())); 929 if (bytes_read == 0) { 930 break; 931 } else if (bytes_read == -1) { 932 MYLOGE("read(%s): %s\n", filepath.c_str(), strerror(errno)); 933 return NULL; 934 } 935 936 SHA256_Update(&ctx, buffer.data(), bytes_read); 937 } 938 939 uint8_t hash[SHA256_DIGEST_LENGTH]; 940 SHA256_Final(hash, &ctx); 941 942 char hash_buffer[SHA256_DIGEST_LENGTH * 2 + 1]; 943 for(size_t i = 0; i < SHA256_DIGEST_LENGTH; i++) { 944 sprintf(hash_buffer + (i * 2), "%02x", hash[i]); 945 } 946 hash_buffer[sizeof(hash_buffer) - 1] = 0; 947 return std::string(hash_buffer); 948} 949 950int main(int argc, char *argv[]) { 951 struct sigaction sigact; 952 int do_add_date = 0; 953 int do_zip_file = 0; 954 int do_vibrate = 1; 955 char* use_outfile = 0; 956 int use_socket = 0; 957 int use_control_socket = 0; 958 int do_fb = 0; 959 int do_broadcast = 0; 960 int do_early_screenshot = 0; 961 int is_remote_mode = 0; 962 std::string version = VERSION_DEFAULT; 963 964 now = time(NULL); 965 966 MYLOGI("begin\n"); 967 968 /* gets the sequential id */ 969 char last_id[PROPERTY_VALUE_MAX]; 970 property_get("dumpstate.last_id", last_id, "0"); 971 id = strtoul(last_id, NULL, 10) + 1; 972 snprintf(last_id, sizeof(last_id), "%lu", id); 973 property_set("dumpstate.last_id", last_id); 974 MYLOGI("dumpstate id: %lu\n", id); 975 976 /* clear SIGPIPE handler */ 977 memset(&sigact, 0, sizeof(sigact)); 978 sigact.sa_handler = sigpipe_handler; 979 sigaction(SIGPIPE, &sigact, NULL); 980 981 /* set as high priority, and protect from OOM killer */ 982 setpriority(PRIO_PROCESS, 0, -20); 983 FILE *oom_adj = fopen("/proc/self/oom_adj", "we"); 984 if (oom_adj) { 985 fputs("-17", oom_adj); 986 fclose(oom_adj); 987 } 988 989 /* parse arguments */ 990 std::string args; 991 format_args(argc, const_cast<const char **>(argv), &args); 992 MYLOGD("Dumpstate command line: %s\n", args.c_str()); 993 int c; 994 while ((c = getopt(argc, argv, "dho:svqzpPBRSV:")) != -1) { 995 switch (c) { 996 case 'd': do_add_date = 1; break; 997 case 'z': do_zip_file = 1; break; 998 case 'o': use_outfile = optarg; break; 999 case 's': use_socket = 1; break; 1000 case 'S': use_control_socket = 1; break; 1001 case 'v': break; // compatibility no-op 1002 case 'q': do_vibrate = 0; break; 1003 case 'p': do_fb = 1; break; 1004 case 'P': do_update_progress = 1; break; 1005 case 'R': is_remote_mode = 1; break; 1006 case 'B': do_broadcast = 1; break; 1007 case 'V': version = optarg; break; 1008 case '?': printf("\n"); 1009 case 'h': 1010 usage(); 1011 exit(1); 1012 } 1013 } 1014 1015 if ((do_zip_file || do_add_date || do_update_progress || do_broadcast) && !use_outfile) { 1016 usage(); 1017 exit(1); 1018 } 1019 1020 if (use_control_socket && !do_zip_file) { 1021 usage(); 1022 exit(1); 1023 } 1024 1025 if (do_update_progress && !do_broadcast) { 1026 usage(); 1027 exit(1); 1028 } 1029 1030 if (is_remote_mode && (do_update_progress || !do_broadcast || !do_zip_file || !do_add_date)) { 1031 usage(); 1032 exit(1); 1033 } 1034 1035 if (version != VERSION_DEFAULT) { 1036 usage(); 1037 exit(1); 1038 } 1039 1040 MYLOGI("bugreport format version: %s\n", version.c_str()); 1041 1042 do_early_screenshot = do_update_progress; 1043 1044 // If we are going to use a socket, do it as early as possible 1045 // to avoid timeouts from bugreport. 1046 if (use_socket) { 1047 redirect_to_socket(stdout, "dumpstate"); 1048 } 1049 1050 if (use_control_socket) { 1051 MYLOGD("Opening control socket\n"); 1052 control_socket_fd = open_socket("dumpstate"); 1053 } 1054 1055 /* full path of the temporary file containing the bugreport */ 1056 std::string tmp_path; 1057 1058 /* full path of the file containing the dumpstate logs*/ 1059 std::string log_path; 1060 1061 /* full path of the systrace file, when enabled */ 1062 std::string systrace_path; 1063 1064 /* full path of the temporary file containing the screenshot (when requested) */ 1065 std::string screenshot_path; 1066 1067 /* base name (without suffix or extensions) of the bugreport files */ 1068 std::string base_name; 1069 1070 /* pointer to the actual path, be it zip or text */ 1071 std::string path; 1072 1073 /* pointer to the zipped file */ 1074 std::unique_ptr<FILE, int(*)(FILE*)> zip_file(NULL, fclose); 1075 1076 /* redirect output if needed */ 1077 bool is_redirecting = !use_socket && use_outfile; 1078 1079 if (is_redirecting) { 1080 bugreport_dir = dirname(use_outfile); 1081 base_name = basename(use_outfile); 1082 if (do_add_date) { 1083 char date[80]; 1084 strftime(date, sizeof(date), "%Y-%m-%d-%H-%M-%S", localtime(&now)); 1085 suffix = date; 1086 } else { 1087 suffix = "undated"; 1088 } 1089 char build_id[PROPERTY_VALUE_MAX]; 1090 property_get("ro.build.id", build_id, "UNKNOWN_BUILD"); 1091 base_name = base_name + "-" + build_id; 1092 if (do_fb) { 1093 // TODO: if dumpstate was an object, the paths could be internal variables and then 1094 // we could have a function to calculate the derived values, such as: 1095 // screenshot_path = GetPath(".png"); 1096 screenshot_path = bugreport_dir + "/" + base_name + "-" + suffix + ".png"; 1097 } 1098 tmp_path = bugreport_dir + "/" + base_name + "-" + suffix + ".tmp"; 1099 log_path = bugreport_dir + "/dumpstate_log-" + suffix + "-" 1100 + std::to_string(getpid()) + ".txt"; 1101 1102 MYLOGD("Bugreport dir: %s\n" 1103 "Base name: %s\n" 1104 "Suffix: %s\n" 1105 "Log path: %s\n" 1106 "Temporary path: %s\n" 1107 "Screenshot path: %s\n", 1108 bugreport_dir.c_str(), base_name.c_str(), suffix.c_str(), 1109 log_path.c_str(), tmp_path.c_str(), screenshot_path.c_str()); 1110 1111 if (do_zip_file) { 1112 path = bugreport_dir + "/" + base_name + "-" + suffix + ".zip"; 1113 MYLOGD("Creating initial .zip file (%s)\n", path.c_str()); 1114 create_parent_dirs(path.c_str()); 1115 zip_file.reset(fopen(path.c_str(), "wb")); 1116 if (!zip_file) { 1117 MYLOGE("fopen(%s, 'wb'): %s\n", path.c_str(), strerror(errno)); 1118 do_zip_file = 0; 1119 } else { 1120 zip_writer.reset(new ZipWriter(zip_file.get())); 1121 } 1122 add_text_zip_entry("version.txt", version); 1123 } 1124 1125 if (do_update_progress) { 1126 std::vector<std::string> am_args = { 1127 "--receiver-permission", "android.permission.DUMP", "--receiver-foreground", 1128 "--es", "android.intent.extra.NAME", suffix, 1129 "--ei", "android.intent.extra.ID", std::to_string(id), 1130 "--ei", "android.intent.extra.PID", std::to_string(getpid()), 1131 "--ei", "android.intent.extra.MAX", std::to_string(WEIGHT_TOTAL), 1132 }; 1133 send_broadcast("android.intent.action.BUGREPORT_STARTED", am_args); 1134 } 1135 } 1136 1137 /* read /proc/cmdline before dropping root */ 1138 FILE *cmdline = fopen("/proc/cmdline", "re"); 1139 if (cmdline) { 1140 fgets(cmdline_buf, sizeof(cmdline_buf), cmdline); 1141 fclose(cmdline); 1142 } 1143 1144 /* open the vibrator before dropping root */ 1145 std::unique_ptr<FILE, int(*)(FILE*)> vibrator(NULL, fclose); 1146 if (do_vibrate) { 1147 vibrator.reset(fopen("/sys/class/timed_output/vibrator/enable", "we")); 1148 if (vibrator) { 1149 vibrate(vibrator.get(), 150); 1150 } 1151 } 1152 1153 if (do_fb && do_early_screenshot) { 1154 if (screenshot_path.empty()) { 1155 // should not have happened 1156 MYLOGE("INTERNAL ERROR: skipping early screenshot because path was not set\n"); 1157 } else { 1158 MYLOGI("taking early screenshot\n"); 1159 take_screenshot(screenshot_path); 1160 MYLOGI("wrote screenshot: %s\n", screenshot_path.c_str()); 1161 if (chown(screenshot_path.c_str(), AID_SHELL, AID_SHELL)) { 1162 MYLOGE("Unable to change ownership of screenshot file %s: %s\n", 1163 screenshot_path.c_str(), strerror(errno)); 1164 } 1165 } 1166 } 1167 1168 if (do_zip_file) { 1169 if (chown(path.c_str(), AID_SHELL, AID_SHELL)) { 1170 MYLOGE("Unable to change ownership of zip file %s: %s\n", path.c_str(), strerror(errno)); 1171 } 1172 } 1173 1174 if (is_redirecting) { 1175 redirect_to_file(stderr, const_cast<char*>(log_path.c_str())); 1176 if (chown(log_path.c_str(), AID_SHELL, AID_SHELL)) { 1177 MYLOGE("Unable to change ownership of dumpstate log file %s: %s\n", 1178 log_path.c_str(), strerror(errno)); 1179 } 1180 /* TODO: rather than generating a text file now and zipping it later, 1181 it would be more efficient to redirect stdout to the zip entry 1182 directly, but the libziparchive doesn't support that option yet. */ 1183 redirect_to_file(stdout, const_cast<char*>(tmp_path.c_str())); 1184 if (chown(tmp_path.c_str(), AID_SHELL, AID_SHELL)) { 1185 MYLOGE("Unable to change ownership of temporary bugreport file %s: %s\n", 1186 tmp_path.c_str(), strerror(errno)); 1187 } 1188 } 1189 // NOTE: there should be no stdout output until now, otherwise it would break the header. 1190 // In particular, DurationReport objects should be created passing 'title, NULL', so their 1191 // duration is logged into MYLOG instead. 1192 print_header(version); 1193 1194 // Dumps systrace right away, otherwise it will be filled with unnecessary events. 1195 dump_systrace(); 1196 1197 // Invoking the following dumpsys calls before dump_traces() to try and 1198 // keep the system stats as close to its initial state as possible. 1199 run_command_as_shell("DUMPSYS MEMINFO", 30, "dumpsys", "-t", "30", "meminfo", "-a", NULL); 1200 run_command_as_shell("DUMPSYS CPUINFO", 10, "dumpsys", "-t", "10", "cpuinfo", "-a", NULL); 1201 1202 /* collect stack traces from Dalvik and native processes (needs root) */ 1203 dump_traces_path = dump_traces(); 1204 1205 /* Run some operations that require root. */ 1206 get_tombstone_fds(tombstone_data); 1207 add_dir(RECOVERY_DIR, true); 1208 add_dir(RECOVERY_DATA_DIR, true); 1209 add_dir(LOGPERSIST_DATA_DIR, false); 1210 add_mountinfo(); 1211 dump_iptables(); 1212 1213 if (!drop_root_user()) { 1214 return -1; 1215 } 1216 1217 dumpstate(do_early_screenshot ? "": screenshot_path, version); 1218 1219 /* close output if needed */ 1220 if (is_redirecting) { 1221 fclose(stdout); 1222 } 1223 1224 /* rename or zip the (now complete) .tmp file to its final location */ 1225 if (use_outfile) { 1226 1227 /* check if user changed the suffix using system properties */ 1228 char key[PROPERTY_KEY_MAX]; 1229 char value[PROPERTY_VALUE_MAX]; 1230 snprintf(key, sizeof(key), "dumpstate.%d.name", getpid()); 1231 property_get(key, value, ""); 1232 bool change_suffix= false; 1233 if (value[0]) { 1234 /* must whitelist which characters are allowed, otherwise it could cross directories */ 1235 std::regex valid_regex("^[-_a-zA-Z0-9]+$"); 1236 if (std::regex_match(value, valid_regex)) { 1237 change_suffix = true; 1238 } else { 1239 MYLOGE("invalid suffix provided by user: %s\n", value); 1240 } 1241 } 1242 if (change_suffix) { 1243 MYLOGI("changing suffix from %s to %s\n", suffix.c_str(), value); 1244 suffix = value; 1245 if (!screenshot_path.empty()) { 1246 std::string new_screenshot_path = 1247 bugreport_dir + "/" + base_name + "-" + suffix + ".png"; 1248 if (rename(screenshot_path.c_str(), new_screenshot_path.c_str())) { 1249 MYLOGE("rename(%s, %s): %s\n", screenshot_path.c_str(), 1250 new_screenshot_path.c_str(), strerror(errno)); 1251 } else { 1252 screenshot_path = new_screenshot_path; 1253 } 1254 } 1255 } 1256 1257 bool do_text_file = true; 1258 if (do_zip_file) { 1259 std::string entry_name = base_name + "-" + suffix + ".txt"; 1260 MYLOGD("Adding main entry (%s) to .zip bugreport\n", entry_name.c_str()); 1261 if (!finish_zip_file(entry_name, tmp_path, now)) { 1262 MYLOGE("Failed to finish zip file; sending text bugreport instead\n"); 1263 do_text_file = true; 1264 } else { 1265 do_text_file = false; 1266 // Since zip file is already created, it needs to be renamed. 1267 std::string new_path = bugreport_dir + "/" + base_name + "-" + suffix + ".zip"; 1268 if (path != new_path) { 1269 MYLOGD("Renaming zip file from %s to %s\n", path.c_str(), new_path.c_str()); 1270 if (rename(path.c_str(), new_path.c_str())) { 1271 MYLOGE("rename(%s, %s): %s\n", path.c_str(), 1272 new_path.c_str(), strerror(errno)); 1273 } else { 1274 path = new_path; 1275 } 1276 } 1277 } 1278 } 1279 if (do_text_file) { 1280 path = bugreport_dir + "/" + base_name + "-" + suffix + ".txt"; 1281 MYLOGD("Generating .txt bugreport at %s from %s\n", path.c_str(), tmp_path.c_str()); 1282 if (rename(tmp_path.c_str(), path.c_str())) { 1283 MYLOGE("rename(%s, %s): %s\n", tmp_path.c_str(), path.c_str(), strerror(errno)); 1284 path.clear(); 1285 } 1286 } 1287 if (use_control_socket) { 1288 if (do_text_file) { 1289 dprintf(control_socket_fd, "FAIL:could not create zip file, check %s " 1290 "for more details\n", log_path.c_str()); 1291 } else { 1292 dprintf(control_socket_fd, "OK:%s\n", path.c_str()); 1293 } 1294 } 1295 } 1296 1297 /* vibrate a few but shortly times to let user know it's finished */ 1298 if (vibrator) { 1299 for (int i = 0; i < 3; i++) { 1300 vibrate(vibrator.get(), 75); 1301 usleep((75 + 50) * 1000); 1302 } 1303 } 1304 1305 /* tell activity manager we're done */ 1306 if (do_broadcast) { 1307 if (!path.empty()) { 1308 MYLOGI("Final bugreport path: %s\n", path.c_str()); 1309 std::vector<std::string> am_args = { 1310 "--receiver-permission", "android.permission.DUMP", "--receiver-foreground", 1311 "--ei", "android.intent.extra.ID", std::to_string(id), 1312 "--ei", "android.intent.extra.PID", std::to_string(getpid()), 1313 "--ei", "android.intent.extra.MAX", std::to_string(weight_total), 1314 "--es", "android.intent.extra.BUGREPORT", path, 1315 "--es", "android.intent.extra.DUMPSTATE_LOG", log_path 1316 }; 1317 if (do_fb) { 1318 am_args.push_back("--es"); 1319 am_args.push_back("android.intent.extra.SCREENSHOT"); 1320 am_args.push_back(screenshot_path); 1321 } 1322 if (is_remote_mode) { 1323 am_args.push_back("--es"); 1324 am_args.push_back("android.intent.extra.REMOTE_BUGREPORT_HASH"); 1325 am_args.push_back(SHA256_file_hash(path)); 1326 send_broadcast("android.intent.action.REMOTE_BUGREPORT_FINISHED", am_args); 1327 } else { 1328 send_broadcast("android.intent.action.BUGREPORT_FINISHED", am_args); 1329 } 1330 } else { 1331 MYLOGE("Skipping finished broadcast because bugreport could not be generated\n"); 1332 } 1333 } 1334 1335 MYLOGD("Final progress: %d/%d (originally %d)\n", progress, weight_total, WEIGHT_TOTAL); 1336 MYLOGI("done\n"); 1337 1338 if (is_redirecting) { 1339 fclose(stderr); 1340 } 1341 1342 if (use_control_socket && control_socket_fd >= 0) { 1343 MYLOGD("Closing control socket\n"); 1344 close(control_socket_fd); 1345 } 1346 1347 return 0; 1348} 1349