2 * Copyright (C) 2008 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
25 #include <sys/capability.h>
26 #include <sys/prctl.h>
27 #include <sys/resource.h>
33 #include <cutils/properties.h>
35 #include "private/android_filesystem_config.h"
37 #define LOG_TAG "dumpstate"
38 #include <cutils/log.h>
40 #include "dumpstate.h"
42 /* read before root is shed */
43 static char cmdline_buf[16384] = "(unknown)";
44 static const char *dump_traces_path = NULL;
46 static char screenshot_path[PATH_MAX] = "";
48 #define PSTORE_LAST_KMSG "/sys/fs/pstore/console-ramoops"
50 #define TOMBSTONE_DIR "/data/tombstones"
51 #define TOMBSTONE_FILE_PREFIX TOMBSTONE_DIR "/tombstone_"
52 /* Can accomodate a tombstone number up to 9999. */
53 #define TOMBSTONE_MAX_LEN (sizeof(TOMBSTONE_FILE_PREFIX) + 4)
54 #define NUM_TOMBSTONES 10
57 char name[TOMBSTONE_MAX_LEN];
61 static tombstone_data_t tombstone_data[NUM_TOMBSTONES];
63 /* Get the fds of any tombstone that was modified in the last half an hour. */
64 static void get_tombstone_fds(tombstone_data_t data[NUM_TOMBSTONES]) {
65 time_t thirty_minutes_ago = time(NULL) - 60*30;
66 for (size_t i = 0; i < NUM_TOMBSTONES; i++) {
67 snprintf(data[i].name, sizeof(data[i].name), "%s%02zu", TOMBSTONE_FILE_PREFIX, i);
68 int fd = TEMP_FAILURE_RETRY(open(data[i].name,
69 O_RDONLY | O_CLOEXEC | O_NOFOLLOW | O_NONBLOCK));
71 if (fstat(fd, &st) == 0 && S_ISREG(st.st_mode) &&
72 (time_t) st.st_mtime >= thirty_minutes_ago) {
81 static void dump_dev_files(const char *title, const char *driverpath, const char *filename)
87 d = opendir(driverpath);
92 while ((de = readdir(d))) {
93 if (de->d_type != DT_LNK) {
96 snprintf(path, sizeof(path), "%s/%s/%s", driverpath, de->d_name, filename);
97 dump_file(title, path);
103 static bool skip_not_stat(const char *path) {
104 static const char stat[] = "/stat";
105 size_t len = strlen(path);
106 if (path[len - 1] == '/') { /* Directory? */
109 return strcmp(path + len - sizeof(stat) + 1, stat); /* .../stat? */
112 static const char mmcblk0[] = "/sys/block/mmcblk0/";
113 unsigned long worst_write_perf = 20000; /* in KB/s */
115 static int dump_stat_from_fd(const char *title __unused, const char *path, int fd) {
116 unsigned long fields[11], read_perf, write_perf;
118 char *cp, *buffer = NULL;
120 FILE *fp = fdopen(fd, "rb");
121 getline(&buffer, &i, fp);
127 while ((i > 0) && (buffer[i - 1] == '\n')) {
135 for (cp = buffer, i = 0; i < (sizeof(fields) / sizeof(fields[0])); ++i) {
136 fields[i] = strtol(cp, &cp, 0);
137 if (fields[i] != 0) {
141 if (z) { /* never accessed */
146 if (!strncmp(path, mmcblk0, sizeof(mmcblk0) - 1)) {
147 path += sizeof(mmcblk0) - 1;
150 printf("%s: %s\n", path, buffer);
155 read_perf = 512 * fields[2] / fields[3];
159 write_perf = 512 * fields[6] / fields[7];
161 printf("%s: read: %luKB/s write: %luKB/s\n", path, read_perf, write_perf);
162 if ((write_perf > 1) && (write_perf < worst_write_perf)) {
163 worst_write_perf = write_perf;
168 /* Copied policy from system/core/logd/LogBuffer.cpp */
170 #define LOG_BUFFER_SIZE (256 * 1024)
171 #define LOG_BUFFER_MIN_SIZE (64 * 1024UL)
172 #define LOG_BUFFER_MAX_SIZE (256 * 1024 * 1024UL)
174 static bool valid_size(unsigned long value) {
175 if ((value < LOG_BUFFER_MIN_SIZE) || (LOG_BUFFER_MAX_SIZE < value)) {
179 long pages = sysconf(_SC_PHYS_PAGES);
184 long pagesize = sysconf(_SC_PAGESIZE);
186 pagesize = PAGE_SIZE;
189 // maximum memory impact a somewhat arbitrary ~3%
190 pages = (pages + 31) / 32;
191 unsigned long maximum = pages * pagesize;
193 if ((maximum < LOG_BUFFER_MIN_SIZE) || (LOG_BUFFER_MAX_SIZE < maximum)) {
197 return value <= maximum;
200 static unsigned long property_get_size(const char *key) {
202 char *cp, property[PROPERTY_VALUE_MAX];
204 property_get(key, property, "");
205 value = strtoul(property, &cp, 10);
223 if (!valid_size(value)) {
231 static unsigned long logcat_timeout(char *name) {
232 static const char global_tuneable[] = "persist.logd.size"; // Settings App
233 static const char global_default[] = "ro.logd.size"; // BoardConfig.mk
234 char key[PROP_NAME_MAX];
235 unsigned long property_size, default_size;
237 default_size = property_get_size(global_tuneable);
239 default_size = property_get_size(global_default);
242 snprintf(key, sizeof(key), "%s.%s", global_tuneable, name);
243 property_size = property_get_size(key);
245 if (!property_size) {
246 snprintf(key, sizeof(key), "%s.%s", global_default, name);
247 property_size = property_get_size(key);
250 if (!property_size) {
251 property_size = default_size;
254 if (!property_size) {
255 property_size = LOG_BUFFER_SIZE;
258 /* Engineering margin is ten-fold our guess */
259 return 10 * (property_size + worst_write_perf) / worst_write_perf;
262 /* End copy from system/core/logd/LogBuffer.cpp */
264 /* dumps the current system state to stdout */
265 static void dumpstate() {
266 unsigned long timeout;
267 time_t now = time(NULL);
268 char build[PROPERTY_VALUE_MAX], fingerprint[PROPERTY_VALUE_MAX];
269 char radio[PROPERTY_VALUE_MAX], bootloader[PROPERTY_VALUE_MAX];
270 char network[PROPERTY_VALUE_MAX], date[80];
271 char build_type[PROPERTY_VALUE_MAX];
273 property_get("ro.build.display.id", build, "(unknown)");
274 property_get("ro.build.fingerprint", fingerprint, "(unknown)");
275 property_get("ro.build.type", build_type, "(unknown)");
276 property_get("ro.baseband", radio, "(unknown)");
277 property_get("ro.bootloader", bootloader, "(unknown)");
278 property_get("gsm.operator.alpha", network, "(unknown)");
279 strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S", localtime(&now));
281 printf("========================================================\n");
282 printf("== dumpstate: %s\n", date);
283 printf("========================================================\n");
286 printf("Build: %s\n", build);
287 printf("Build fingerprint: '%s'\n", fingerprint); /* format is important for other tools */
288 printf("Bootloader: %s\n", bootloader);
289 printf("Radio: %s\n", radio);
290 printf("Network: %s\n", network);
293 dump_file(NULL, "/proc/version");
294 printf("Command line: %s\n", strtok(cmdline_buf, "\n"));
297 dump_dev_files("TRUSTY VERSION", "/sys/bus/platform/drivers/trusty", "trusty_version");
298 run_command("UPTIME", 10, "uptime", NULL);
299 dump_files("UPTIME MMC PERF", mmcblk0, skip_not_stat, dump_stat_from_fd);
300 dump_file("MEMORY INFO", "/proc/meminfo");
301 run_command("CPU INFO", 10, "top", "-n", "1", "-d", "1", "-m", "30", "-t", NULL);
302 run_command("PROCRANK", 20, "procrank", NULL);
303 dump_file("VIRTUAL MEMORY STATS", "/proc/vmstat");
304 dump_file("VMALLOC INFO", "/proc/vmallocinfo");
305 dump_file("SLAB INFO", "/proc/slabinfo");
306 dump_file("ZONEINFO", "/proc/zoneinfo");
307 dump_file("PAGETYPEINFO", "/proc/pagetypeinfo");
308 dump_file("BUDDYINFO", "/proc/buddyinfo");
309 dump_file("FRAGMENTATION INFO", "/d/extfrag/unusable_index");
311 dump_file("KERNEL WAKELOCKS", "/proc/wakelocks");
312 dump_file("KERNEL WAKE SOURCES", "/d/wakeup_sources");
313 dump_file("KERNEL CPUFREQ", "/sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state");
314 dump_file("KERNEL SYNC", "/d/sync");
315 dump_file("KERNEL BLUEDROID", "/d/bluedroid");
317 run_command("PROCESSES", 10, "ps", "-P", NULL);
318 run_command("PROCESSES AND THREADS", 10, "ps", "-t", "-p", "-P", NULL);
319 run_command("PROCESSES (SELINUX LABELS)", 10, "ps", "-Z", NULL);
320 run_command("LIBRANK", 10, "librank", NULL);
324 run_command("LIST OF OPEN FILES", 10, SU_PATH, "root", "lsof", NULL);
325 for_each_pid(do_showmap, "SMAPS OF ALL PROCESSES");
326 for_each_tid(show_wchan, "BLOCKED PROCESS WAIT-CHANNELS");
328 if (screenshot_path[0]) {
329 ALOGI("taking screenshot\n");
330 run_command(NULL, 10, "/system/bin/screencap", "-p", screenshot_path, NULL);
331 ALOGI("wrote screenshot: %s\n", screenshot_path);
334 // dump_file("EVENT LOG TAGS", "/etc/event-log-tags");
336 timeout = logcat_timeout("main") + logcat_timeout("system") + logcat_timeout("crash");
337 if (timeout < 20000) {
340 run_command("SYSTEM LOG", timeout / 1000, "logcat", "-v", "threadtime", "-d", "*:v", NULL);
341 timeout = logcat_timeout("events");
342 if (timeout < 20000) {
345 run_command("EVENT LOG", timeout / 1000, "logcat", "-b", "events", "-v", "threadtime", "-d", "*:v", NULL);
346 timeout = logcat_timeout("radio");
347 if (timeout < 20000) {
350 run_command("RADIO LOG", timeout / 1000, "logcat", "-b", "radio", "-v", "threadtime", "-d", "*:v", NULL);
352 run_command("LOG STATISTICS", 10, "logcat", "-b", "all", "-S", NULL);
354 /* show the traces we collected in main(), if that was done */
355 if (dump_traces_path != NULL) {
356 dump_file("VM TRACES JUST NOW", dump_traces_path);
359 /* only show ANR traces if they're less than 15 minutes old */
361 char anr_traces_path[PATH_MAX];
362 property_get("dalvik.vm.stack-trace-file", anr_traces_path, "");
363 if (!anr_traces_path[0]) {
364 printf("*** NO VM TRACES FILE DEFINED (dalvik.vm.stack-trace-file)\n\n");
366 int fd = TEMP_FAILURE_RETRY(open(anr_traces_path,
367 O_RDONLY | O_CLOEXEC | O_NOFOLLOW | O_NONBLOCK));
369 printf("*** NO ANR VM TRACES FILE (%s): %s\n\n", anr_traces_path, strerror(errno));
371 dump_file_from_fd("VM TRACES AT LAST ANR", anr_traces_path, fd);
375 /* slow traces for slow operations */
376 if (anr_traces_path[0] != 0) {
377 int tail = strlen(anr_traces_path)-1;
378 while (tail > 0 && anr_traces_path[tail] != '/') {
383 sprintf(anr_traces_path+tail+1, "slow%02d.txt", i);
384 if (stat(anr_traces_path, &st)) {
385 // No traces file at this index, done with the files.
388 dump_file("VM TRACES WHEN SLOW", anr_traces_path);
394 for (size_t i = 0; i < NUM_TOMBSTONES; i++) {
395 if (tombstone_data[i].fd != -1) {
397 dump_file_from_fd("TOMBSTONE", tombstone_data[i].name, tombstone_data[i].fd);
398 tombstone_data[i].fd = -1;
402 printf("*** NO TOMBSTONES to dump in %s\n\n", TOMBSTONE_DIR);
405 dump_file("NETWORK DEV INFO", "/proc/net/dev");
406 dump_file("QTAGUID NETWORK INTERFACES INFO", "/proc/net/xt_qtaguid/iface_stat_all");
407 dump_file("QTAGUID NETWORK INTERFACES INFO (xt)", "/proc/net/xt_qtaguid/iface_stat_fmt");
408 dump_file("QTAGUID CTRL INFO", "/proc/net/xt_qtaguid/ctrl");
409 dump_file("QTAGUID STATS INFO", "/proc/net/xt_qtaguid/stats");
411 if (!stat(PSTORE_LAST_KMSG, &st)) {
412 /* Also TODO: Make console-ramoops CAP_SYSLOG protected. */
413 dump_file("LAST KMSG", PSTORE_LAST_KMSG);
415 /* TODO: Make last_kmsg CAP_SYSLOG protected. b/5555691 */
416 dump_file("LAST KMSG", "/proc/last_kmsg");
419 /* kernels must set CONFIG_PSTORE_PMSG, slice up pstore with device tree */
420 run_command("LAST LOGCAT", 10, "logcat", "-L", "-v", "threadtime",
421 "-b", "all", "-d", "*:v", NULL);
423 for_each_userid(do_dump_settings, NULL);
425 /* The following have a tendency to get wedged when wifi drivers/fw goes belly-up. */
427 run_command("NETWORK INTERFACES", 10, "ip", "link", NULL);
429 run_command("IPv4 ADDRESSES", 10, "ip", "-4", "addr", "show", NULL);
430 run_command("IPv6 ADDRESSES", 10, "ip", "-6", "addr", "show", NULL);
432 run_command("IP RULES", 10, "ip", "rule", "show", NULL);
433 run_command("IP RULES v6", 10, "ip", "-6", "rule", "show", NULL);
437 run_command("ARP CACHE", 10, "ip", "-4", "neigh", "show", NULL);
438 run_command("IPv6 ND CACHE", 10, "ip", "-6", "neigh", "show", NULL);
440 run_command("IPTABLES", 10, SU_PATH, "root", "iptables", "-L", "-nvx", NULL);
441 run_command("IP6TABLES", 10, SU_PATH, "root", "ip6tables", "-L", "-nvx", NULL);
442 run_command("IPTABLE NAT", 10, SU_PATH, "root", "iptables", "-t", "nat", "-L", "-nvx", NULL);
444 run_command("IPTABLE RAW", 10, SU_PATH, "root", "iptables", "-t", "raw", "-L", "-nvx", NULL);
445 run_command("IP6TABLE RAW", 10, SU_PATH, "root", "ip6tables", "-t", "raw", "-L", "-nvx", NULL);
447 run_command("WIFI NETWORKS", 20,
448 SU_PATH, "root", "wpa_cli", "IFNAME=wlan0", "list_networks", NULL);
451 run_command("DUMP WIFI INTERNAL COUNTERS", 20,
452 SU_PATH, "root", "wlutil", "counters", NULL);
454 dump_file("INTERRUPTS (1)", "/proc/interrupts");
456 property_get("dhcp.wlan0.gateway", network, "");
458 run_command("PING GATEWAY", 10, "ping", "-c", "3", "-i", ".5", network, NULL);
459 property_get("dhcp.wlan0.dns1", network, "");
461 run_command("PING DNS1", 10, "ping", "-c", "3", "-i", ".5", network, NULL);
462 property_get("dhcp.wlan0.dns2", network, "");
464 run_command("PING DNS2", 10, "ping", "-c", "3", "-i", ".5", network, NULL);
466 run_command("DUMP WIFI STATUS", 20,
467 SU_PATH, "root", "dhdutil", "-i", "wlan0", "dump", NULL);
468 run_command("DUMP WIFI INTERNAL COUNTERS", 20,
469 SU_PATH, "root", "wlutil", "counters", NULL);
471 dump_file("INTERRUPTS (2)", "/proc/interrupts");
475 run_command("VOLD DUMP", 10, "vdc", "dump", NULL);
476 run_command("SECURE CONTAINERS", 10, "vdc", "asec", "list", NULL);
478 run_command("FILESYSTEMS & FREE SPACE", 10, "df", NULL);
480 run_command("LAST RADIO LOG", 10, "parse_radio_log", "/proc/last_radio_log", NULL);
482 printf("------ BACKLIGHTS ------\n");
483 printf("LCD brightness=");
484 dump_file(NULL, "/sys/class/leds/lcd-backlight/brightness");
485 printf("Button brightness=");
486 dump_file(NULL, "/sys/class/leds/button-backlight/brightness");
487 printf("Keyboard brightness=");
488 dump_file(NULL, "/sys/class/leds/keyboard-backlight/brightness");
490 dump_file(NULL, "/sys/class/leds/lcd-backlight/als");
491 printf("LCD driver registers:\n");
492 dump_file(NULL, "/sys/class/leds/lcd-backlight/registers");
495 /* Binder state is expensive to look at as it uses a lot of memory. */
496 dump_file("BINDER FAILED TRANSACTION LOG", "/sys/kernel/debug/binder/failed_transaction_log");
497 dump_file("BINDER TRANSACTION LOG", "/sys/kernel/debug/binder/transaction_log");
498 dump_file("BINDER TRANSACTIONS", "/sys/kernel/debug/binder/transactions");
499 dump_file("BINDER STATS", "/sys/kernel/debug/binder/stats");
500 dump_file("BINDER STATE", "/sys/kernel/debug/binder/state");
502 printf("========================================================\n");
503 printf("== Board\n");
504 printf("========================================================\n");
509 /* Migrate the ril_dumpstate to a dumpstate_board()? */
510 char ril_dumpstate_timeout[PROPERTY_VALUE_MAX] = {0};
511 property_get("ril.dumpstate.timeout", ril_dumpstate_timeout, "30");
512 if (strnlen(ril_dumpstate_timeout, PROPERTY_VALUE_MAX - 1) > 0) {
513 if (0 == strncmp(build_type, "user", PROPERTY_VALUE_MAX - 1)) {
514 // su does not exist on user builds, so try running without it.
515 // This way any implementations of vril-dump that do not require
516 // root can run on user builds.
517 run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout),
520 run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout),
521 SU_PATH, "root", "vril-dump", NULL);
525 printf("========================================================\n");
526 printf("== Android Framework Services\n");
527 printf("========================================================\n");
529 /* the full dumpsys is starting to take a long time, so we need
530 to increase its timeout. we really need to do the timeouts in
532 run_command("DUMPSYS", 60, "dumpsys", NULL);
534 printf("========================================================\n");
535 printf("== Checkins\n");
536 printf("========================================================\n");
538 run_command("CHECKIN BATTERYSTATS", 30, "dumpsys", "batterystats", "-c", NULL);
539 run_command("CHECKIN MEMINFO", 30, "dumpsys", "meminfo", "--checkin", NULL);
540 run_command("CHECKIN NETSTATS", 30, "dumpsys", "netstats", "--checkin", NULL);
541 run_command("CHECKIN PROCSTATS", 30, "dumpsys", "procstats", "-c", NULL);
542 run_command("CHECKIN USAGESTATS", 30, "dumpsys", "usagestats", "-c", NULL);
544 printf("========================================================\n");
545 printf("== Running Application Activities\n");
546 printf("========================================================\n");
548 run_command("APP ACTIVITIES", 30, "dumpsys", "activity", "all", NULL);
550 printf("========================================================\n");
551 printf("== Running Application Services\n");
552 printf("========================================================\n");
554 run_command("APP SERVICES", 30, "dumpsys", "activity", "service", "all", NULL);
556 printf("========================================================\n");
557 printf("== Running Application Providers\n");
558 printf("========================================================\n");
560 run_command("APP SERVICES", 30, "dumpsys", "activity", "provider", "all", NULL);
563 printf("========================================================\n");
564 printf("== dumpstate: done\n");
565 printf("========================================================\n");
568 static void usage() {
569 fprintf(stderr, "usage: dumpstate [-b soundfile] [-e soundfile] [-o file [-d] [-p] [-z]] [-s] [-q]\n"
570 " -o: write to file (instead of stdout)\n"
571 " -d: append date to filename (requires -o)\n"
572 " -p: capture screenshot to filename.png (requires -o)\n"
573 " -s: write output to control socket (for init)\n"
574 " -b: play sound file instead of vibrate, at beginning of job\n"
575 " -e: play sound file instead of vibrate, at end of job\n"
576 " -q: disable vibrate\n"
577 " -B: send broadcast when finished (requires -o and -p)\n"
581 static void sigpipe_handler(int n) {
582 // don't complain to stderr or stdout
586 static void vibrate(FILE* vibrator, int ms) {
587 fprintf(vibrator, "%d\n", ms);
591 int main(int argc, char *argv[]) {
592 struct sigaction sigact;
595 char* use_outfile = 0;
598 int do_broadcast = 0;
601 // Old versions of the adb client would call the
602 // dumpstate command directly. Newer clients
603 // call /system/bin/bugreport instead. If we detect
604 // we're being called incorrectly, then exec the
606 return execl("/system/bin/bugreport", "/system/bin/bugreport", NULL);
611 /* clear SIGPIPE handler */
612 memset(&sigact, 0, sizeof(sigact));
613 sigact.sa_handler = sigpipe_handler;
614 sigaction(SIGPIPE, &sigact, NULL);
616 /* set as high priority, and protect from OOM killer */
617 setpriority(PRIO_PROCESS, 0, -20);
618 FILE *oom_adj = fopen("/proc/self/oom_adj", "we");
620 fputs("-17", oom_adj);
624 /* parse arguments */
626 while ((c = getopt(argc, argv, "dho:svqzpB")) != -1) {
628 case 'd': do_add_date = 1; break;
629 case 'o': use_outfile = optarg; break;
630 case 's': use_socket = 1; break;
631 case 'v': break; // compatibility no-op
632 case 'q': do_vibrate = 0; break;
633 case 'p': do_fb = 1; break;
634 case 'B': do_broadcast = 1; break;
635 case '?': printf("\n");
642 // If we are going to use a socket, do it as early as possible
643 // to avoid timeouts from bugreport.
645 redirect_to_socket(stdout, "dumpstate");
648 /* open the vibrator before dropping root */
651 vibrator = fopen("/sys/class/timed_output/vibrator/enable", "we");
653 vibrate(vibrator, 150);
657 /* read /proc/cmdline before dropping root */
658 FILE *cmdline = fopen("/proc/cmdline", "re");
659 if (cmdline != NULL) {
660 fgets(cmdline_buf, sizeof(cmdline_buf), cmdline);
664 /* collect stack traces from Dalvik and native processes (needs root) */
665 dump_traces_path = dump_traces();
667 /* Get the tombstone fds here while we are running as root. */
668 get_tombstone_fds(tombstone_data);
670 /* ensure we will keep capabilities when we drop root */
671 if (prctl(PR_SET_KEEPCAPS, 1) < 0) {
672 ALOGE("prctl(PR_SET_KEEPCAPS) failed: %s\n", strerror(errno));
676 /* switch to non-root user and group */
677 gid_t groups[] = { AID_LOG, AID_SDCARD_R, AID_SDCARD_RW,
678 AID_MOUNT, AID_INET, AID_NET_BW_STATS };
679 if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) {
680 ALOGE("Unable to setgroups, aborting: %s\n", strerror(errno));
683 if (setgid(AID_SHELL) != 0) {
684 ALOGE("Unable to setgid, aborting: %s\n", strerror(errno));
687 if (setuid(AID_SHELL) != 0) {
688 ALOGE("Unable to setuid, aborting: %s\n", strerror(errno));
692 struct __user_cap_header_struct capheader;
693 struct __user_cap_data_struct capdata[2];
694 memset(&capheader, 0, sizeof(capheader));
695 memset(&capdata, 0, sizeof(capdata));
696 capheader.version = _LINUX_CAPABILITY_VERSION_3;
699 capdata[CAP_TO_INDEX(CAP_SYSLOG)].permitted = CAP_TO_MASK(CAP_SYSLOG);
700 capdata[CAP_TO_INDEX(CAP_SYSLOG)].effective = CAP_TO_MASK(CAP_SYSLOG);
701 capdata[0].inheritable = 0;
702 capdata[1].inheritable = 0;
704 if (capset(&capheader, &capdata[0]) < 0) {
705 ALOGE("capset failed: %s\n", strerror(errno));
709 /* redirect output if needed */
710 char path[PATH_MAX], tmp_path[PATH_MAX];
713 if (!use_socket && use_outfile) {
714 strlcpy(path, use_outfile, sizeof(path));
717 time_t now = time(NULL);
718 strftime(date, sizeof(date), "-%Y-%m-%d-%H-%M-%S", localtime(&now));
719 strlcat(path, date, sizeof(path));
722 strlcpy(screenshot_path, path, sizeof(screenshot_path));
723 strlcat(screenshot_path, ".png", sizeof(screenshot_path));
725 strlcat(path, ".txt", sizeof(path));
726 strlcpy(tmp_path, path, sizeof(tmp_path));
727 strlcat(tmp_path, ".tmp", sizeof(tmp_path));
728 redirect_to_file(stdout, tmp_path);
735 for (int i = 0; i < 3; i++) {
736 vibrate(vibrator, 75);
737 usleep((75 + 50) * 1000);
742 /* wait for gzip to finish, otherwise it might get killed when we exit */
745 waitpid(gzip_pid, NULL, 0);
748 /* rename the (now complete) .tmp file to its final location */
749 if (use_outfile && rename(tmp_path, path)) {
750 fprintf(stderr, "rename(%s, %s): %s\n", tmp_path, path, strerror(errno));
753 /* tell activity manager we're done */
754 if (do_broadcast && use_outfile && do_fb) {
755 run_command(NULL, 5, "/system/bin/am", "broadcast", "--user", "0",
756 "-a", "android.intent.action.BUGREPORT_FINISHED",
757 "--es", "android.intent.extra.BUGREPORT", path,
758 "--es", "android.intent.extra.SCREENSHOT", screenshot_path,
759 "--receiver-permission", "android.permission.DUMP", NULL);