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
17#include <dirent.h>
18#include <errno.h>
19#include <fcntl.h>
20#include <limits.h>
21#include <stdio.h>
22#include <stdlib.h>
23#include <string.h>
24#include <sys/capability.h>
25#include <sys/prctl.h>
26#include <sys/resource.h>
27#include <sys/stat.h>
28#include <sys/time.h>
29#include <sys/wait.h>
30#include <unistd.h>
31
32#include <cutils/properties.h>
33
34#include "private/android_filesystem_config.h"
35
36#define LOG_TAG "dumpstate"
37#include <cutils/log.h>
38
39#include "dumpstate.h"
40
41/* read before root is shed */
42static char cmdline_buf[16384] = "(unknown)";
43static const char *dump_traces_path = NULL;
44
45static char screenshot_path[PATH_MAX] = "";
46
47#define PSTORE_LAST_KMSG "/sys/fs/pstore/console-ramoops"
48
49#define TOMBSTONE_DIR "/data/tombstones"
50#define TOMBSTONE_FILE_PREFIX TOMBSTONE_DIR "/tombstone_"
51/* Can accomodate a tombstone number up to 9999. */
52#define TOMBSTONE_MAX_LEN (sizeof(TOMBSTONE_FILE_PREFIX) + 4)
53#define NUM_TOMBSTONES  10
54
55typedef struct {
56  char name[TOMBSTONE_MAX_LEN];
57  int fd;
58} tombstone_data_t;
59
60static tombstone_data_t tombstone_data[NUM_TOMBSTONES];
61
62/* Get the fds of any tombstone that was modified in the last half an hour. */
63static void get_tombstone_fds(tombstone_data_t data[NUM_TOMBSTONES]) {
64    time_t thirty_minutes_ago = time(NULL) - 60*30;
65    for (size_t i = 0; i < NUM_TOMBSTONES; i++) {
66        snprintf(data[i].name, sizeof(data[i].name), "%s%02zu", TOMBSTONE_FILE_PREFIX, i);
67        int fd = open(data[i].name, O_RDONLY | O_CLOEXEC | O_NOFOLLOW);
68        struct stat st;
69        if (fstat(fd, &st) == 0 && S_ISREG(st.st_mode) &&
70                (time_t) st.st_mtime >= thirty_minutes_ago) {
71            data[i].fd = fd;
72        } else {
73            close(fd);
74            data[i].fd = -1;
75        }
76    }
77}
78
79static void dump_dev_files(const char *title, const char *driverpath, const char *filename)
80{
81    DIR *d;
82    struct dirent *de;
83    char path[PATH_MAX];
84
85    d = opendir(driverpath);
86    if (d == NULL) {
87        return;
88    }
89
90    while ((de = readdir(d))) {
91        if (de->d_type != DT_LNK) {
92            continue;
93        }
94        snprintf(path, sizeof(path), "%s/%s/%s", driverpath, de->d_name, filename);
95        dump_file(title, path);
96    }
97
98    closedir(d);
99}
100
101/* dumps the current system state to stdout */
102static void dumpstate() {
103    time_t now = time(NULL);
104    char build[PROPERTY_VALUE_MAX], fingerprint[PROPERTY_VALUE_MAX];
105    char radio[PROPERTY_VALUE_MAX], bootloader[PROPERTY_VALUE_MAX];
106    char network[PROPERTY_VALUE_MAX], date[80];
107    char build_type[PROPERTY_VALUE_MAX];
108
109    property_get("ro.build.display.id", build, "(unknown)");
110    property_get("ro.build.fingerprint", fingerprint, "(unknown)");
111    property_get("ro.build.type", build_type, "(unknown)");
112    property_get("ro.baseband", radio, "(unknown)");
113    property_get("ro.bootloader", bootloader, "(unknown)");
114    property_get("gsm.operator.alpha", network, "(unknown)");
115    strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S", localtime(&now));
116
117    printf("========================================================\n");
118    printf("== dumpstate: %s\n", date);
119    printf("========================================================\n");
120
121    printf("\n");
122    printf("Build: %s\n", build);
123    printf("Build fingerprint: '%s'\n", fingerprint); /* format is important for other tools */
124    printf("Bootloader: %s\n", bootloader);
125    printf("Radio: %s\n", radio);
126    printf("Network: %s\n", network);
127
128    printf("Kernel: ");
129    dump_file(NULL, "/proc/version");
130    printf("Command line: %s\n", strtok(cmdline_buf, "\n"));
131    printf("\n");
132
133    dump_dev_files("TRUSTY VERSION", "/sys/bus/platform/drivers/trusty", "trusty_version");
134    run_command("UPTIME", 10, "uptime", NULL);
135    dump_file("MMC PERF", "/sys/block/mmcblk0/stat");
136    dump_file("MEMORY INFO", "/proc/meminfo");
137    run_command("CPU INFO", 10, "top", "-n", "1", "-d", "1", "-m", "30", "-t", NULL);
138    run_command("PROCRANK", 20, "procrank", NULL);
139    dump_file("VIRTUAL MEMORY STATS", "/proc/vmstat");
140    dump_file("VMALLOC INFO", "/proc/vmallocinfo");
141    dump_file("SLAB INFO", "/proc/slabinfo");
142    dump_file("ZONEINFO", "/proc/zoneinfo");
143    dump_file("PAGETYPEINFO", "/proc/pagetypeinfo");
144    dump_file("BUDDYINFO", "/proc/buddyinfo");
145    dump_file("FRAGMENTATION INFO", "/d/extfrag/unusable_index");
146
147    dump_file("KERNEL WAKELOCKS", "/proc/wakelocks");
148    dump_file("KERNEL WAKE SOURCES", "/d/wakeup_sources");
149    dump_file("KERNEL CPUFREQ", "/sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state");
150    dump_file("KERNEL SYNC", "/d/sync");
151    dump_file("KERNEL BLUEDROID", "/d/bluedroid");
152
153    run_command("PROCESSES", 10, "ps", "-P", NULL);
154    run_command("PROCESSES AND THREADS", 10, "ps", "-t", "-p", "-P", NULL);
155    run_command("PROCESSES (SELINUX LABELS)", 10, "ps", "-Z", NULL);
156    run_command("LIBRANK", 10, "librank", NULL);
157
158    do_dmesg();
159
160    run_command("LIST OF OPEN FILES", 10, SU_PATH, "root", "lsof", NULL);
161    for_each_pid(do_showmap, "SMAPS OF ALL PROCESSES");
162    for_each_tid(show_wchan, "BLOCKED PROCESS WAIT-CHANNELS");
163
164    if (screenshot_path[0]) {
165        ALOGI("taking screenshot\n");
166        run_command(NULL, 10, "/system/bin/screencap", "-p", screenshot_path, NULL);
167        ALOGI("wrote screenshot: %s\n", screenshot_path);
168    }
169
170    // dump_file("EVENT LOG TAGS", "/etc/event-log-tags");
171    run_command("SYSTEM LOG", 20, "logcat", "-v", "threadtime", "-d", "*:v", NULL);
172    run_command("EVENT LOG", 20, "logcat", "-b", "events", "-v", "threadtime", "-d", "*:v", NULL);
173    run_command("RADIO LOG", 20, "logcat", "-b", "radio", "-v", "threadtime", "-d", "*:v", NULL);
174
175    /* show the traces we collected in main(), if that was done */
176    if (dump_traces_path != NULL) {
177        dump_file("VM TRACES JUST NOW", dump_traces_path);
178    }
179
180    /* only show ANR traces if they're less than 15 minutes old */
181    struct stat st;
182    char anr_traces_path[PATH_MAX];
183    property_get("dalvik.vm.stack-trace-file", anr_traces_path, "");
184    if (!anr_traces_path[0]) {
185        printf("*** NO VM TRACES FILE DEFINED (dalvik.vm.stack-trace-file)\n\n");
186    } else {
187      int fd = open(anr_traces_path, O_RDONLY | O_CLOEXEC | O_NOFOLLOW);
188      if (fd < 0) {
189          printf("*** NO ANR VM TRACES FILE (%s): %s\n\n", anr_traces_path, strerror(errno));
190      } else {
191          dump_file_from_fd("VM TRACES AT LAST ANR", anr_traces_path, fd);
192      }
193    }
194
195    /* slow traces for slow operations */
196    if (anr_traces_path[0] != 0) {
197        int tail = strlen(anr_traces_path)-1;
198        while (tail > 0 && anr_traces_path[tail] != '/') {
199            tail--;
200        }
201        int i = 0;
202        while (1) {
203            sprintf(anr_traces_path+tail+1, "slow%02d.txt", i);
204            if (stat(anr_traces_path, &st)) {
205                // No traces file at this index, done with the files.
206                break;
207            }
208            dump_file("VM TRACES WHEN SLOW", anr_traces_path);
209            i++;
210        }
211    }
212
213    int dumped = 0;
214    for (size_t i = 0; i < NUM_TOMBSTONES; i++) {
215        if (tombstone_data[i].fd != -1) {
216            dumped = 1;
217            dump_file_from_fd("TOMBSTONE", tombstone_data[i].name, tombstone_data[i].fd);
218            tombstone_data[i].fd = -1;
219        }
220    }
221    if (!dumped) {
222        printf("*** NO TOMBSTONES to dump in %s\n\n", TOMBSTONE_DIR);
223    }
224
225    dump_file("NETWORK DEV INFO", "/proc/net/dev");
226    dump_file("QTAGUID NETWORK INTERFACES INFO", "/proc/net/xt_qtaguid/iface_stat_all");
227    dump_file("QTAGUID NETWORK INTERFACES INFO (xt)", "/proc/net/xt_qtaguid/iface_stat_fmt");
228    dump_file("QTAGUID CTRL INFO", "/proc/net/xt_qtaguid/ctrl");
229    dump_file("QTAGUID STATS INFO", "/proc/net/xt_qtaguid/stats");
230
231    if (!stat(PSTORE_LAST_KMSG, &st)) {
232        /* Also TODO: Make console-ramoops CAP_SYSLOG protected. */
233        dump_file("LAST KMSG", PSTORE_LAST_KMSG);
234    } else {
235        /* TODO: Make last_kmsg CAP_SYSLOG protected. b/5555691 */
236        dump_file("LAST KMSG", "/proc/last_kmsg");
237    }
238
239    dump_file("LAST PANIC CONSOLE", "/data/dontpanic/apanic_console");
240    dump_file("LAST PANIC THREADS", "/data/dontpanic/apanic_threads");
241
242    for_each_userid(do_dump_settings, NULL);
243
244    /* The following have a tendency to get wedged when wifi drivers/fw goes belly-up. */
245    run_command("NETWORK INTERFACES", 10, SU_PATH, "root", "netcfg", NULL);
246
247    run_command("IPv4 ADDRESSES", 10, "ip", "-4", "addr", "show", NULL);
248    run_command("IPv6 ADDRESSES", 10, "ip", "-6", "addr", "show", NULL);
249
250    run_command("IP RULES", 10, "ip", "rule", "show", NULL);
251    run_command("IP RULES v6", 10, "ip", "-6", "rule", "show", NULL);
252
253    dump_route_tables();
254
255    run_command("ARP CACHE", 10, "ip", "-4", "neigh", "show", NULL);
256    run_command("IPv6 ND CACHE", 10, "ip", "-6", "neigh", "show", NULL);
257
258    run_command("IPTABLES", 10, SU_PATH, "root", "iptables", "-L", "-nvx", NULL);
259    run_command("IP6TABLES", 10, SU_PATH, "root", "ip6tables", "-L", "-nvx", NULL);
260    run_command("IPTABLE NAT", 10, SU_PATH, "root", "iptables", "-t", "nat", "-L", "-nvx", NULL);
261    /* no ip6 nat */
262    run_command("IPTABLE RAW", 10, SU_PATH, "root", "iptables", "-t", "raw", "-L", "-nvx", NULL);
263    run_command("IP6TABLE RAW", 10, SU_PATH, "root", "ip6tables", "-t", "raw", "-L", "-nvx", NULL);
264
265    run_command("WIFI NETWORKS", 20,
266            SU_PATH, "root", "wpa_cli", "IFNAME=wlan0", "list_networks", NULL);
267
268#ifdef FWDUMP_bcmdhd
269    run_command("DUMP WIFI INTERNAL COUNTERS", 20,
270            SU_PATH, "root", "wlutil", "counters", NULL);
271#endif
272    dump_file("INTERRUPTS (1)", "/proc/interrupts");
273
274    property_get("dhcp.wlan0.gateway", network, "");
275    if (network[0])
276        run_command("PING GATEWAY", 10, "ping", "-c", "3", "-i", ".5", network, NULL);
277    property_get("dhcp.wlan0.dns1", network, "");
278    if (network[0])
279        run_command("PING DNS1", 10, "ping", "-c", "3", "-i", ".5", network, NULL);
280    property_get("dhcp.wlan0.dns2", network, "");
281    if (network[0])
282        run_command("PING DNS2", 10, "ping", "-c", "3", "-i", ".5", network, NULL);
283#ifdef FWDUMP_bcmdhd
284    run_command("DUMP WIFI STATUS", 20,
285            SU_PATH, "root", "dhdutil", "-i", "wlan0", "dump", NULL);
286    run_command("DUMP WIFI INTERNAL COUNTERS", 20,
287            SU_PATH, "root", "wlutil", "counters", NULL);
288#endif
289    dump_file("INTERRUPTS (2)", "/proc/interrupts");
290
291    print_properties();
292
293    run_command("VOLD DUMP", 10, "vdc", "dump", NULL);
294    run_command("SECURE CONTAINERS", 10, "vdc", "asec", "list", NULL);
295
296    run_command("FILESYSTEMS & FREE SPACE", 10, "df", NULL);
297
298    run_command("LAST RADIO LOG", 10, "parse_radio_log", "/proc/last_radio_log", NULL);
299
300    printf("------ BACKLIGHTS ------\n");
301    printf("LCD brightness=");
302    dump_file(NULL, "/sys/class/leds/lcd-backlight/brightness");
303    printf("Button brightness=");
304    dump_file(NULL, "/sys/class/leds/button-backlight/brightness");
305    printf("Keyboard brightness=");
306    dump_file(NULL, "/sys/class/leds/keyboard-backlight/brightness");
307    printf("ALS mode=");
308    dump_file(NULL, "/sys/class/leds/lcd-backlight/als");
309    printf("LCD driver registers:\n");
310    dump_file(NULL, "/sys/class/leds/lcd-backlight/registers");
311    printf("\n");
312
313    /* Binder state is expensive to look at as it uses a lot of memory. */
314    dump_file("BINDER FAILED TRANSACTION LOG", "/sys/kernel/debug/binder/failed_transaction_log");
315    dump_file("BINDER TRANSACTION LOG", "/sys/kernel/debug/binder/transaction_log");
316    dump_file("BINDER TRANSACTIONS", "/sys/kernel/debug/binder/transactions");
317    dump_file("BINDER STATS", "/sys/kernel/debug/binder/stats");
318    dump_file("BINDER STATE", "/sys/kernel/debug/binder/state");
319
320    printf("========================================================\n");
321    printf("== Board\n");
322    printf("========================================================\n");
323
324    dumpstate_board();
325    printf("\n");
326
327    /* Migrate the ril_dumpstate to a dumpstate_board()? */
328    char ril_dumpstate_timeout[PROPERTY_VALUE_MAX] = {0};
329    property_get("ril.dumpstate.timeout", ril_dumpstate_timeout, "30");
330    if (strnlen(ril_dumpstate_timeout, PROPERTY_VALUE_MAX - 1) > 0) {
331        if (0 == strncmp(build_type, "user", PROPERTY_VALUE_MAX - 1)) {
332            // su does not exist on user builds, so try running without it.
333            // This way any implementations of vril-dump that do not require
334            // root can run on user builds.
335            run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout),
336                    "vril-dump", NULL);
337        } else {
338            run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout),
339                    SU_PATH, "root", "vril-dump", NULL);
340        }
341    }
342
343    printf("========================================================\n");
344    printf("== Android Framework Services\n");
345    printf("========================================================\n");
346
347    /* the full dumpsys is starting to take a long time, so we need
348       to increase its timeout.  we really need to do the timeouts in
349       dumpsys itself... */
350    run_command("DUMPSYS", 60, "dumpsys", NULL);
351
352    printf("========================================================\n");
353    printf("== Checkins\n");
354    printf("========================================================\n");
355
356    run_command("CHECKIN BATTERYSTATS", 30, "dumpsys", "batterystats", "-c", NULL);
357    run_command("CHECKIN MEMINFO", 30, "dumpsys", "meminfo", "--checkin", NULL);
358    run_command("CHECKIN NETSTATS", 30, "dumpsys", "netstats", "--checkin", NULL);
359    run_command("CHECKIN PROCSTATS", 30, "dumpsys", "procstats", "-c", NULL);
360    run_command("CHECKIN USAGESTATS", 30, "dumpsys", "usagestats", "-c", NULL);
361
362    printf("========================================================\n");
363    printf("== Running Application Activities\n");
364    printf("========================================================\n");
365
366    run_command("APP ACTIVITIES", 30, "dumpsys", "activity", "all", NULL);
367
368    printf("========================================================\n");
369    printf("== Running Application Services\n");
370    printf("========================================================\n");
371
372    run_command("APP SERVICES", 30, "dumpsys", "activity", "service", "all", NULL);
373
374    printf("========================================================\n");
375    printf("== Running Application Providers\n");
376    printf("========================================================\n");
377
378    run_command("APP SERVICES", 30, "dumpsys", "activity", "provider", "all", NULL);
379
380
381    printf("========================================================\n");
382    printf("== dumpstate: done\n");
383    printf("========================================================\n");
384}
385
386static void usage() {
387    fprintf(stderr, "usage: dumpstate [-b soundfile] [-e soundfile] [-o file [-d] [-p] [-z]] [-s] [-q]\n"
388            "  -o: write to file (instead of stdout)\n"
389            "  -d: append date to filename (requires -o)\n"
390            "  -z: gzip output (requires -o)\n"
391            "  -p: capture screenshot to filename.png (requires -o)\n"
392            "  -s: write output to control socket (for init)\n"
393            "  -b: play sound file instead of vibrate, at beginning of job\n"
394            "  -e: play sound file instead of vibrate, at end of job\n"
395            "  -q: disable vibrate\n"
396            "  -B: send broadcast when finished (requires -o and -p)\n"
397                );
398}
399
400static void sigpipe_handler(int n) {
401    // don't complain to stderr or stdout
402    _exit(EXIT_FAILURE);
403}
404
405static void vibrate(FILE* vibrator, int ms) {
406    fprintf(vibrator, "%d\n", ms);
407    fflush(vibrator);
408}
409
410int main(int argc, char *argv[]) {
411    struct sigaction sigact;
412    int do_add_date = 0;
413    int do_compress = 0;
414    int do_vibrate = 1;
415    char* use_outfile = 0;
416    int use_socket = 0;
417    int do_fb = 0;
418    int do_broadcast = 0;
419
420    if (getuid() != 0) {
421        // Old versions of the adb client would call the
422        // dumpstate command directly. Newer clients
423        // call /system/bin/bugreport instead. If we detect
424        // we're being called incorrectly, then exec the
425        // correct program.
426        return execl("/system/bin/bugreport", "/system/bin/bugreport", NULL);
427    }
428
429    ALOGI("begin\n");
430
431    /* clear SIGPIPE handler */
432    memset(&sigact, 0, sizeof(sigact));
433    sigact.sa_handler = sigpipe_handler;
434    sigaction(SIGPIPE, &sigact, NULL);
435
436    /* set as high priority, and protect from OOM killer */
437    setpriority(PRIO_PROCESS, 0, -20);
438    FILE *oom_adj = fopen("/proc/self/oom_adj", "w");
439    if (oom_adj) {
440        fputs("-17", oom_adj);
441        fclose(oom_adj);
442    }
443
444    /* parse arguments */
445    int c;
446    while ((c = getopt(argc, argv, "dho:svqzpB")) != -1) {
447        switch (c) {
448            case 'd': do_add_date = 1;       break;
449            case 'o': use_outfile = optarg;  break;
450            case 's': use_socket = 1;        break;
451            case 'v': break;  // compatibility no-op
452            case 'q': do_vibrate = 0;        break;
453            case 'z': do_compress = 6;       break;
454            case 'p': do_fb = 1;             break;
455            case 'B': do_broadcast = 1;      break;
456            case '?': printf("\n");
457            case 'h':
458                usage();
459                exit(1);
460        }
461    }
462
463    // If we are going to use a socket, do it as early as possible
464    // to avoid timeouts from bugreport.
465    if (use_socket) {
466        redirect_to_socket(stdout, "dumpstate");
467    }
468
469    /* open the vibrator before dropping root */
470    FILE *vibrator = 0;
471    if (do_vibrate) {
472        vibrator = fopen("/sys/class/timed_output/vibrator/enable", "w");
473        if (vibrator) {
474            fcntl(fileno(vibrator), F_SETFD, FD_CLOEXEC);
475            vibrate(vibrator, 150);
476        }
477    }
478
479    /* read /proc/cmdline before dropping root */
480    FILE *cmdline = fopen("/proc/cmdline", "r");
481    if (cmdline != NULL) {
482        fgets(cmdline_buf, sizeof(cmdline_buf), cmdline);
483        fclose(cmdline);
484    }
485
486    /* collect stack traces from Dalvik and native processes (needs root) */
487    dump_traces_path = dump_traces();
488
489    /* Get the tombstone fds here while we are running as root. */
490    get_tombstone_fds(tombstone_data);
491
492    /* ensure we will keep capabilities when we drop root */
493    if (prctl(PR_SET_KEEPCAPS, 1) < 0) {
494        ALOGE("prctl(PR_SET_KEEPCAPS) failed: %s\n", strerror(errno));
495        return -1;
496    }
497
498    /* switch to non-root user and group */
499    gid_t groups[] = { AID_LOG, AID_SDCARD_R, AID_SDCARD_RW,
500            AID_MOUNT, AID_INET, AID_NET_BW_STATS };
501    if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) {
502        ALOGE("Unable to setgroups, aborting: %s\n", strerror(errno));
503        return -1;
504    }
505    if (setgid(AID_SHELL) != 0) {
506        ALOGE("Unable to setgid, aborting: %s\n", strerror(errno));
507        return -1;
508    }
509    if (setuid(AID_SHELL) != 0) {
510        ALOGE("Unable to setuid, aborting: %s\n", strerror(errno));
511        return -1;
512    }
513
514    struct __user_cap_header_struct capheader;
515    struct __user_cap_data_struct capdata[2];
516    memset(&capheader, 0, sizeof(capheader));
517    memset(&capdata, 0, sizeof(capdata));
518    capheader.version = _LINUX_CAPABILITY_VERSION_3;
519    capheader.pid = 0;
520
521    capdata[CAP_TO_INDEX(CAP_SYSLOG)].permitted = CAP_TO_MASK(CAP_SYSLOG);
522    capdata[CAP_TO_INDEX(CAP_SYSLOG)].effective = CAP_TO_MASK(CAP_SYSLOG);
523    capdata[0].inheritable = 0;
524    capdata[1].inheritable = 0;
525
526    if (capset(&capheader, &capdata[0]) < 0) {
527        ALOGE("capset failed: %s\n", strerror(errno));
528        return -1;
529    }
530
531    /* redirect output if needed */
532    char path[PATH_MAX], tmp_path[PATH_MAX];
533    pid_t gzip_pid = -1;
534
535    if (!use_socket && use_outfile) {
536        strlcpy(path, use_outfile, sizeof(path));
537        if (do_add_date) {
538            char date[80];
539            time_t now = time(NULL);
540            strftime(date, sizeof(date), "-%Y-%m-%d-%H-%M-%S", localtime(&now));
541            strlcat(path, date, sizeof(path));
542        }
543        if (do_fb) {
544            strlcpy(screenshot_path, path, sizeof(screenshot_path));
545            strlcat(screenshot_path, ".png", sizeof(screenshot_path));
546        }
547        strlcat(path, ".txt", sizeof(path));
548        if (do_compress) strlcat(path, ".gz", sizeof(path));
549        strlcpy(tmp_path, path, sizeof(tmp_path));
550        strlcat(tmp_path, ".tmp", sizeof(tmp_path));
551        gzip_pid = redirect_to_file(stdout, tmp_path, do_compress);
552    }
553
554    dumpstate();
555
556    /* done */
557    if (vibrator) {
558        for (int i = 0; i < 3; i++) {
559            vibrate(vibrator, 75);
560            usleep((75 + 50) * 1000);
561        }
562        fclose(vibrator);
563    }
564
565    /* wait for gzip to finish, otherwise it might get killed when we exit */
566    if (gzip_pid > 0) {
567        fclose(stdout);
568        waitpid(gzip_pid, NULL, 0);
569    }
570
571    /* rename the (now complete) .tmp file to its final location */
572    if (use_outfile && rename(tmp_path, path)) {
573        fprintf(stderr, "rename(%s, %s): %s\n", tmp_path, path, strerror(errno));
574    }
575
576    /* tell activity manager we're done */
577    if (do_broadcast && use_outfile && do_fb) {
578        run_command(NULL, 5, "/system/bin/am", "broadcast", "--user", "0",
579                "-a", "android.intent.action.BUGREPORT_FINISHED",
580                "--es", "android.intent.extra.BUGREPORT", path,
581                "--es", "android.intent.extra.SCREENSHOT", screenshot_path,
582                "--receiver-permission", "android.permission.DUMP", NULL);
583    }
584
585    ALOGI("done\n");
586
587    return 0;
588}
589