1f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross/* 2f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * Copyright (C) 2008 The Android Open Source Project 3f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * 4f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * Licensed under the Apache License, Version 2.0 (the "License"); 5f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * you may not use this file except in compliance with the License. 6f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * You may obtain a copy of the License at 7f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * 8f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * http://www.apache.org/licenses/LICENSE-2.0 9f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * 10f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * Unless required by applicable law or agreed to in writing, software 11f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * distributed under the License is distributed on an "AS IS" BASIS, 12f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * See the License for the specific language governing permissions and 14f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross * limitations under the License. 15f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross */ 16f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 17f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <dirent.h> 18f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <errno.h> 19f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <fcntl.h> 20f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <limits.h> 21f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <poll.h> 22f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <signal.h> 23f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <stdarg.h> 24f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <stdio.h> 25f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <stdlib.h> 26f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <string.h> 27f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/inotify.h> 28f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/stat.h> 29f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/time.h> 30f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/wait.h> 31f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/klog.h> 32f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <time.h> 33f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <unistd.h> 34e7b6cf13f94f66ea446c95ab34040b0a577e43dcJohn Michelau#include <sys/prctl.h> 35f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 36bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown#include <cutils/debugger.h> 37f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <cutils/properties.h> 38f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <cutils/sockets.h> 39f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <private/android_filesystem_config.h> 40f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 41957983787d7a753d34b582ae0165160f4ebf815cRobert Craig#include <selinux/android.h> 42957983787d7a753d34b582ae0165160f4ebf815cRobert Craig 43f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include "dumpstate.h" 44f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 451dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brownstatic const int64_t NANOS_PER_SEC = 1000000000; 461dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown 47bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown/* list of native processes to include in the native dumps */ 48bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownstatic const char* native_processes_to_dump[] = { 491fc4f80fc38f782f128102795481924a97a2d3c5James Dong "/system/bin/drmserver", 50bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown "/system/bin/mediaserver", 51bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown "/system/bin/sdcard", 52bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown "/system/bin/surfaceflinger", 53bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown NULL, 54bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown}; 55bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 565ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlockvoid for_each_userid(void (*func)(int), const char *header) { 575ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock DIR *d; 585ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock struct dirent *de; 595ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 605ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock if (header) printf("\n------ %s ------\n", header); 615ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock func(0); 625ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 635ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock if (!(d = opendir("/data/system/users"))) { 645ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock printf("Failed to open /data/system/users (%s)\n", strerror(errno)); 655ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock return; 665ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock } 675ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 685ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock while ((de = readdir(d))) { 695ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock int userid; 705ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock if (de->d_type != DT_DIR || !(userid = atoi(de->d_name))) { 715ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock continue; 725ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock } 735ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock func(userid); 745ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock } 755ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 765ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock closedir(d); 775ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock} 785ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 790c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossstatic void __for_each_pid(void (*helper)(int, const char *, void *), const char *header, void *arg) { 80f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross DIR *d; 81f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross struct dirent *de; 82f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 83f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (!(d = opendir("/proc"))) { 84f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("Failed to open /proc (%s)\n", strerror(errno)); 85f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 86f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 87f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 88f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("\n------ %s ------\n", header); 89f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross while ((de = readdir(d))) { 90f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int pid; 91f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int fd; 92f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char cmdpath[255]; 93f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char cmdline[255]; 94f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 95f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (!(pid = atoi(de->d_name))) { 96f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross continue; 97f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 98f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 99f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross sprintf(cmdpath,"/proc/%d/cmdline", pid); 100f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross memset(cmdline, 0, sizeof(cmdline)); 101f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if ((fd = open(cmdpath, O_RDONLY)) < 0) { 102f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strcpy(cmdline, "N/A"); 103f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } else { 1040c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross read(fd, cmdline, sizeof(cmdline) - 1); 105f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 106f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 1070c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross helper(pid, cmdline, arg); 108f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 109f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 110f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross closedir(d); 111f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 112f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 1130c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossstatic void for_each_pid_helper(int pid, const char *cmdline, void *arg) { 1140c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross for_each_pid_func *func = arg; 1150c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross func(pid, cmdline); 1160c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross} 1170c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1180c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossvoid for_each_pid(for_each_pid_func func, const char *header) { 1190c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross __for_each_pid(for_each_pid_helper, header, func); 1200c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross} 1210c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1220c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossstatic void for_each_tid_helper(int pid, const char *cmdline, void *arg) { 1230c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross DIR *d; 1240c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross struct dirent *de; 1250c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char taskpath[255]; 1260c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross for_each_tid_func *func = arg; 1270c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1280c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross sprintf(taskpath, "/proc/%d/task", pid); 1290c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1300c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross if (!(d = opendir(taskpath))) { 1310c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross printf("Failed to open %s (%s)\n", taskpath, strerror(errno)); 1320c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross return; 1330c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 1340c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1350c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross func(pid, pid, cmdline); 1360c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1370c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross while ((de = readdir(d))) { 1380c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross int tid; 1390c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross int fd; 1400c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char commpath[255]; 1410c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char comm[255]; 1420c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1430c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross if (!(tid = atoi(de->d_name))) { 1440c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross continue; 1450c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 1460c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1470c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross if (tid == pid) 1480c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross continue; 1490c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1500c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross sprintf(commpath,"/proc/%d/comm", tid); 1511493a3974a725d6873f317b774be333ca035a64cColin Cross memset(comm, 0, sizeof(comm)); 1520c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross if ((fd = open(commpath, O_RDONLY)) < 0) { 1530c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross strcpy(comm, "N/A"); 1540c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } else { 1550c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char *c; 1560c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross read(fd, comm, sizeof(comm) - 1); 1570c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross close(fd); 1580c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1590c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross c = strrchr(comm, '\n'); 1600c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross if (c) { 1610c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross *c = '\0'; 1620c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 1630c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 1640c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross func(pid, tid, comm); 1650c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 1660c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1670c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross closedir(d); 1680c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross} 1690c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1700c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossvoid for_each_tid(for_each_tid_func func, const char *header) { 1710c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross __for_each_pid(for_each_tid_helper, header, func); 1720c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross} 1730c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1740c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossvoid show_wchan(int pid, int tid, const char *name) { 175f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char path[255]; 176f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char buffer[255]; 177f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int fd; 1780c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char name_buffer[255]; 179f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 180f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross memset(buffer, 0, sizeof(buffer)); 181f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 1820c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross sprintf(path, "/proc/%d/wchan", tid); 183f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if ((fd = open(path, O_RDONLY)) < 0) { 184f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("Failed to open '%s' (%s)\n", path, strerror(errno)); 185f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 186f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 187f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 188f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (read(fd, buffer, sizeof(buffer)) < 0) { 189f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("Failed to read '%s' (%s)\n", path, strerror(errno)); 190f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross goto out_close; 191f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 192f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 1930c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross snprintf(name_buffer, sizeof(name_buffer), "%*s%s", 1940c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross pid == tid ? 0 : 3, "", name); 1950c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1960c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross printf("%-7d %-32s %s\n", tid, name_buffer, buffer); 197f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 198f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossout_close: 199f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 200f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 201f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 202f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 2035ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlockvoid do_dump_settings(int userid) { 2045ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock char title[255]; 2055ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock char dbpath[255]; 2065ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock char sql[255]; 2075ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock sprintf(title, "SYSTEM SETTINGS (user %d)", userid); 2085ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock if (userid == 0) { 2095ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock strcpy(dbpath, "/data/data/com.android.providers.settings/databases/settings.db"); 2105ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock strcpy(sql, "pragma user_version; select * from system; select * from secure; select * from global;"); 2115ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock } else { 2125ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock sprintf(dbpath, "/data/system/users/%d/settings.db", userid); 2135ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock strcpy(sql, "pragma user_version; select * from system; select * from secure;"); 2145ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock } 2155ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock run_command(title, 20, SU_PATH, "root", "sqlite3", dbpath, sql, NULL); 2165ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock return; 2175ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock} 2185ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 219f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossvoid do_dmesg() { 220f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("------ KERNEL LOG (dmesg) ------\n"); 2215f87b31d8076dff08b2363961b07fc052364fe95Elliott Hughes /* Get size of kernel buffer */ 2225f87b31d8076dff08b2363961b07fc052364fe95Elliott Hughes int size = klogctl(KLOG_SIZE_BUFFER, NULL, 0); 223f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (size <= 0) { 224f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("Unexpected klogctl return value: %d\n\n", size); 225f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 226f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 227f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char *buf = (char *) malloc(size + 1); 228f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (buf == NULL) { 229f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("memory allocation failed\n\n"); 230f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 231f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 232f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int retval = klogctl(KLOG_READ_ALL, buf, size); 233f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (retval < 0) { 234f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("klogctl failure\n\n"); 235f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross free(buf); 236f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 237f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 238f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross buf[retval] = '\0'; 239f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("%s\n\n", buf); 240f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross free(buf); 241f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 242f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 243f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 244f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossvoid do_showmap(int pid, const char *name) { 245f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char title[255]; 246f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char arg[255]; 247f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 248f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross sprintf(title, "SHOW MAP %d (%s)", pid, name); 249f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross sprintf(arg, "%d", pid); 250f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross run_command(title, 10, SU_PATH, "root", "showmap", arg, NULL); 251f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 252f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 253f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross/* prints the contents of a file */ 2547dc7f3221f26b771c266a26ec785eb74287922f1Christopher Ferrisint dump_file(const char *title, const char *path) { 255f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int fd = open(path, O_RDONLY); 256f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (fd < 0) { 257f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int err = errno; 258f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (title) printf("------ %s (%s) ------\n", title, path); 259f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("*** %s: %s\n", path, strerror(err)); 260f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (title) printf("\n"); 261f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return -1; 262f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 2637dc7f3221f26b771c266a26ec785eb74287922f1Christopher Ferris return dump_file_from_fd(title, path, fd); 2647dc7f3221f26b771c266a26ec785eb74287922f1Christopher Ferris} 2657dc7f3221f26b771c266a26ec785eb74287922f1Christopher Ferris 2667dc7f3221f26b771c266a26ec785eb74287922f1Christopher Ferrisint dump_file_from_fd(const char *title, const char *path, int fd) { 2677dc7f3221f26b771c266a26ec785eb74287922f1Christopher Ferris char buffer[32768]; 268f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 269f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (title) printf("------ %s (%s", title, path); 270f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 271f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (title) { 272f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross struct stat st; 273f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (memcmp(path, "/proc/", 6) && memcmp(path, "/sys/", 5) && !fstat(fd, &st)) { 274f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char stamp[80]; 275f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross time_t mtime = st.st_mtime; 276f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strftime(stamp, sizeof(stamp), "%Y-%m-%d %H:%M:%S", localtime(&mtime)); 277f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf(": %s", stamp); 278f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 279f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf(") ------\n"); 280f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 281f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 282f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int newline = 0; 283f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross for (;;) { 284f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int ret = read(fd, buffer, sizeof(buffer)); 285f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (ret > 0) { 286f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross newline = (buffer[ret - 1] == '\n'); 287f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross ret = fwrite(buffer, ret, 1, stdout); 288f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 289f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (ret <= 0) break; 290f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 291f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 2927dc7f3221f26b771c266a26ec785eb74287922f1Christopher Ferris 293f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (!newline) printf("\n"); 294f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (title) printf("\n"); 295f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return 0; 296f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 297f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 2981dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brownstatic int64_t nanotime() { 2991dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown struct timespec ts; 3001dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown clock_gettime(CLOCK_MONOTONIC, &ts); 3011dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown return (int64_t)ts.tv_sec * NANOS_PER_SEC + ts.tv_nsec; 3021dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown} 3031dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown 304f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross/* forks a command and waits for it to finish */ 305f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossint run_command(const char *title, int timeout_seconds, const char *command, ...) { 306f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fflush(stdout); 3071dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown int64_t start = nanotime(); 308f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross pid_t pid = fork(); 309f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 310f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* handle error case */ 311f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (pid < 0) { 312f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("*** fork: %s\n", strerror(errno)); 313f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return pid; 314f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 315f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 316f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* handle child case */ 317f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (pid == 0) { 318f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross const char *args[1024] = {command}; 319f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross size_t arg; 320f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 321e7b6cf13f94f66ea446c95ab34040b0a577e43dcJohn Michelau /* make sure the child dies when dumpstate dies */ 322e7b6cf13f94f66ea446c95ab34040b0a577e43dcJohn Michelau prctl(PR_SET_PDEATHSIG, SIGKILL); 323e7b6cf13f94f66ea446c95ab34040b0a577e43dcJohn Michelau 3242e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales /* just ignore SIGPIPE, will go down with parent's */ 3252e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales struct sigaction sigact; 3262e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales memset(&sigact, 0, sizeof(sigact)); 3272e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales sigact.sa_handler = SIG_IGN; 3282e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales sigaction(SIGPIPE, &sigact, NULL); 3292e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales 330f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross va_list ap; 331f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross va_start(ap, command); 332f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (title) printf("------ %s (%s", title, command); 333f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross for (arg = 1; arg < sizeof(args) / sizeof(args[0]); ++arg) { 334f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross args[arg] = va_arg(ap, const char *); 335f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (args[arg] == NULL) break; 336f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (title) printf(" %s", args[arg]); 337f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 338f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (title) printf(") ------\n"); 339f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fflush(stdout); 340f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 341f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross execvp(command, (char**) args); 342f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("*** exec(%s): %s\n", command, strerror(errno)); 343f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fflush(stdout); 344f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross _exit(-1); 345f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 346f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 347f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* handle parent case */ 348f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross for (;;) { 349f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int status; 350f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross pid_t p = waitpid(pid, &status, WNOHANG); 3511dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown int64_t elapsed = nanotime() - start; 352f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (p == pid) { 353f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (WIFSIGNALED(status)) { 354f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("*** %s: Killed by signal %d\n", command, WTERMSIG(status)); 355f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } else if (WIFEXITED(status) && WEXITSTATUS(status) > 0) { 356f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("*** %s: Exit code %d\n", command, WEXITSTATUS(status)); 357f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 3581dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown if (title) printf("[%s: %.3fs elapsed]\n\n", command, (float)elapsed / NANOS_PER_SEC); 359f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return status; 360f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 361f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 3621dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown if (timeout_seconds && elapsed / NANOS_PER_SEC > timeout_seconds) { 363d195f87b2dd4aa731a21ef3acd321e2441c5bffbChristopher Ferris printf("*** %s: Timed out after %.3fs (killing pid %d)\n", command, (float) elapsed / NANOS_PER_SEC, pid); 364f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross kill(pid, SIGTERM); 365f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return -1; 366f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 367f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 368f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross usleep(100000); // poll every 0.1 sec 369f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 370f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 371f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 372f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crosssize_t num_props = 0; 373f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossstatic char* props[2000]; 374f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 375f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossstatic void print_prop(const char *key, const char *name, void *user) { 376f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross (void) user; 377f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (num_props < sizeof(props) / sizeof(props[0])) { 378f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char buf[PROPERTY_KEY_MAX + PROPERTY_VALUE_MAX + 10]; 379f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross snprintf(buf, sizeof(buf), "[%s]: [%s]\n", key, name); 380f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross props[num_props++] = strdup(buf); 381f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 382f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 383f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 384f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossstatic int compare_prop(const void *a, const void *b) { 385f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return strcmp(*(char * const *) a, *(char * const *) b); 386f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 387f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 388f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross/* prints all the system properties */ 389f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossvoid print_properties() { 390f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross size_t i; 391f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross num_props = 0; 392f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross property_list(print_prop, NULL); 393f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross qsort(&props, num_props, sizeof(props[0]), compare_prop); 394f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 395f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("------ SYSTEM PROPERTIES ------\n"); 396f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross for (i = 0; i < num_props; ++i) { 397f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fputs(props[i], stdout); 398f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross free(props[i]); 399f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 400f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("\n"); 401f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 402f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 403f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross/* redirect output to a service control socket */ 404f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossvoid redirect_to_socket(FILE *redirect, const char *service) { 405f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int s = android_get_control_socket(service); 406f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (s < 0) { 407f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "android_get_control_socket(%s): %s\n", service, strerror(errno)); 408f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 409f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 410f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (listen(s, 4) < 0) { 411f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "listen(control socket): %s\n", strerror(errno)); 412f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 413f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 414f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 415f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross struct sockaddr addr; 416f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross socklen_t alen = sizeof(addr); 417f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int fd = accept(s, &addr, &alen); 418f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (fd < 0) { 419f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "accept(control socket): %s\n", strerror(errno)); 420f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 421f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 422f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 423f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fflush(redirect); 424f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross dup2(fd, fileno(redirect)); 425f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 426f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 427f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 428f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross/* redirect output to a file, optionally gzipping; returns gzip pid (or -1) */ 429f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crosspid_t redirect_to_file(FILE *redirect, char *path, int gzip_level) { 430f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char *chp = path; 431f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 432f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* skip initial slash */ 433f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (chp[0] == '/') 434f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross chp++; 435f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 436f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* create leading directories, if necessary */ 437f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross while (chp && chp[0]) { 438f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross chp = strchr(chp, '/'); 439f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (chp) { 440f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross *chp = 0; 44127f9e6d849fce956c9b8f1ad5c3d9a954501a76bJeff Sharkey mkdir(path, 0770); /* drwxrwx--- */ 442f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross *chp++ = '/'; 443f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 444f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 445f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 446f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); 447f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (fd < 0) { 448f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "%s: %s\n", path, strerror(errno)); 449f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 450f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 451f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 452f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross pid_t gzip_pid = -1; 453f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (gzip_level > 0) { 454f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int fds[2]; 455f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (pipe(fds)) { 456f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "pipe: %s\n", strerror(errno)); 457f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 458f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 459f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 460f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fflush(redirect); 461f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fflush(stdout); 462f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 463f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross gzip_pid = fork(); 464f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (gzip_pid < 0) { 465f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "fork: %s\n", strerror(errno)); 466f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 467f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 468f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 469f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (gzip_pid == 0) { 470f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross dup2(fds[0], STDIN_FILENO); 471f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross dup2(fd, STDOUT_FILENO); 472f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 473f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 474f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fds[0]); 475f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fds[1]); 476f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 477f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char level[10]; 478f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross snprintf(level, sizeof(level), "-%d", gzip_level); 479f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross execlp("gzip", "gzip", level, NULL); 480f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "exec(gzip): %s\n", strerror(errno)); 481f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross _exit(-1); 482f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 483f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 484f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 485f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fds[0]); 486f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fd = fds[1]; 487f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 488f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 489f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross dup2(fd, fileno(redirect)); 490f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 491f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return gzip_pid; 492f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 493f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 494bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownstatic bool should_dump_native_traces(const char* path) { 495bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown for (const char** p = native_processes_to_dump; *p; p++) { 496bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (!strcmp(*p, path)) { 497bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown return true; 498bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 499bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 500bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown return false; 501bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown} 502bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 503bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown/* dump Dalvik and native stack traces, return the trace file location (NULL if none) */ 504bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownconst char *dump_traces() { 505bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown const char* result = NULL; 506bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 507f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char traces_path[PROPERTY_VALUE_MAX] = ""; 508f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross property_get("dalvik.vm.stack-trace-file", traces_path, ""); 509f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (!traces_path[0]) return NULL; 510f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 511f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* move the old traces.txt (if any) out of the way temporarily */ 512f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char anr_traces_path[PATH_MAX]; 513f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strlcpy(anr_traces_path, traces_path, sizeof(anr_traces_path)); 514f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strlcat(anr_traces_path, ".anr", sizeof(anr_traces_path)); 515f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (rename(traces_path, anr_traces_path) && errno != ENOENT) { 516f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "rename(%s, %s): %s\n", traces_path, anr_traces_path, strerror(errno)); 517f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return NULL; // Can't rename old traces.txt -- no permission? -- leave it alone instead 518f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 519f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 520f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* make the directory if necessary */ 521f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char anr_traces_dir[PATH_MAX]; 522f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strlcpy(anr_traces_dir, traces_path, sizeof(anr_traces_dir)); 523f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char *slash = strrchr(anr_traces_dir, '/'); 524f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (slash != NULL) { 525f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross *slash = '\0'; 526f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (!mkdir(anr_traces_dir, 0775)) { 527f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross chown(anr_traces_dir, AID_SYSTEM, AID_SYSTEM); 528c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich chmod(anr_traces_dir, 0775); 52926288202e7bdf2e897a11bf31a15685d7c20945fStephen Smalley if (selinux_android_restorecon(anr_traces_dir, 0) == -1) { 530957983787d7a753d34b582ae0165160f4ebf815cRobert Craig fprintf(stderr, "restorecon failed for %s: %s\n", anr_traces_dir, strerror(errno)); 531957983787d7a753d34b582ae0165160f4ebf815cRobert Craig } 532f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } else if (errno != EEXIST) { 533f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "mkdir(%s): %s\n", anr_traces_dir, strerror(errno)); 534f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return NULL; 535f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 536f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 537f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 538f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* create a new, empty traces.txt file to receive stack dumps */ 539d51820e8dea4f5bd9d06ff22335bead7409864b2Nick Kralevich int fd = open(traces_path, O_CREAT | O_WRONLY | O_TRUNC | O_NOFOLLOW, 0666); /* -rw-rw-rw- */ 540f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (fd < 0) { 541f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "%s: %s\n", traces_path, strerror(errno)); 542f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return NULL; 543f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 544c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich int chmod_ret = fchmod(fd, 0666); 545c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich if (chmod_ret < 0) { 546c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich fprintf(stderr, "fchmod on %s failed: %s\n", traces_path, strerror(errno)); 547c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich close(fd); 548c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich return NULL; 549c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich } 550f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 551f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* walk /proc and kill -QUIT all Dalvik processes */ 552f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross DIR *proc = opendir("/proc"); 553f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (proc == NULL) { 554f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "/proc: %s\n", strerror(errno)); 555bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown goto error_close_fd; 556f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 557f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 558f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* use inotify to find when processes are done dumping */ 559f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int ifd = inotify_init(); 560f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (ifd < 0) { 561f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "inotify_init: %s\n", strerror(errno)); 562bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown goto error_close_fd; 563f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 564f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 565f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int wfd = inotify_add_watch(ifd, traces_path, IN_CLOSE_WRITE); 566f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (wfd < 0) { 567f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "inotify_add_watch(%s): %s\n", traces_path, strerror(errno)); 568bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown goto error_close_ifd; 569f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 570f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 571f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross struct dirent *d; 572f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int dalvik_found = 0; 573f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross while ((d = readdir(proc))) { 574f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int pid = atoi(d->d_name); 575f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (pid <= 0) continue; 576f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 577bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown char path[PATH_MAX]; 578bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown char data[PATH_MAX]; 579f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross snprintf(path, sizeof(path), "/proc/%d/exe", pid); 580bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown ssize_t len = readlink(path, data, sizeof(data) - 1); 581bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (len <= 0) { 582f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross continue; 583f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 584bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown data[len] = '\0'; 585f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 5860d6180f122127a9541e6193e0e6eceb5b08c608cColin Cross if (!strncmp(data, "/system/bin/app_process", strlen("/system/bin/app_process"))) { 587bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown /* skip zygote -- it won't dump its stack anyway */ 588bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); 5891dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown int cfd = open(path, O_RDONLY); 5901dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown len = read(cfd, data, sizeof(data) - 1); 5911dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown close(cfd); 592bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (len <= 0) { 593bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown continue; 594bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 595bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown data[len] = '\0'; 5960d6180f122127a9541e6193e0e6eceb5b08c608cColin Cross if (!strncmp(data, "zygote", strlen("zygote"))) { 597bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown continue; 598bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 599bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 600bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown ++dalvik_found; 6011dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown int64_t start = nanotime(); 602bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (kill(pid, SIGQUIT)) { 603bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown fprintf(stderr, "kill(%d, SIGQUIT): %s\n", pid, strerror(errno)); 604bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown continue; 605bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 606bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 607bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown /* wait for the writable-close notification from inotify */ 608bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown struct pollfd pfd = { ifd, POLLIN, 0 }; 60985453ecc90a94564e586f0f97c9ec2c0cf831501Nick Vaccaro int ret = poll(&pfd, 1, 5000); /* 5 sec timeout */ 610bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (ret < 0) { 611bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown fprintf(stderr, "poll: %s\n", strerror(errno)); 612bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } else if (ret == 0) { 613bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown fprintf(stderr, "warning: timed out dumping pid %d\n", pid); 614bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } else { 615bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown struct inotify_event ie; 616bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown read(ifd, &ie, sizeof(ie)); 617bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 6181dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown 6191dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown if (lseek(fd, 0, SEEK_END) < 0) { 6201dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown fprintf(stderr, "lseek: %s\n", strerror(errno)); 6211dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown } else { 622457731f69e3106b5aae8fc04f9565af1d875876cChristopher Ferris dprintf(fd, "[dump dalvik stack %d: %.3fs elapsed]\n", 6231dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown pid, (float)(nanotime() - start) / NANOS_PER_SEC); 6241dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown } 625bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } else if (should_dump_native_traces(data)) { 626bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown /* dump native process if appropriate */ 627bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (lseek(fd, 0, SEEK_END) < 0) { 628bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown fprintf(stderr, "lseek: %s\n", strerror(errno)); 629bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } else { 630457731f69e3106b5aae8fc04f9565af1d875876cChristopher Ferris static uint16_t timeout_failures = 0; 6311dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown int64_t start = nanotime(); 632457731f69e3106b5aae8fc04f9565af1d875876cChristopher Ferris 633457731f69e3106b5aae8fc04f9565af1d875876cChristopher Ferris /* If 3 backtrace dumps fail in a row, consider debuggerd dead. */ 634457731f69e3106b5aae8fc04f9565af1d875876cChristopher Ferris if (timeout_failures == 3) { 635457731f69e3106b5aae8fc04f9565af1d875876cChristopher Ferris dprintf(fd, "too many stack dump failures, skipping...\n"); 636457731f69e3106b5aae8fc04f9565af1d875876cChristopher Ferris } else if (dump_backtrace_to_file_timeout(pid, fd, 20) == -1) { 637457731f69e3106b5aae8fc04f9565af1d875876cChristopher Ferris dprintf(fd, "dumping failed, likely due to a timeout\n"); 638457731f69e3106b5aae8fc04f9565af1d875876cChristopher Ferris timeout_failures++; 639457731f69e3106b5aae8fc04f9565af1d875876cChristopher Ferris } else { 640457731f69e3106b5aae8fc04f9565af1d875876cChristopher Ferris timeout_failures = 0; 641457731f69e3106b5aae8fc04f9565af1d875876cChristopher Ferris } 642457731f69e3106b5aae8fc04f9565af1d875876cChristopher Ferris dprintf(fd, "[dump native stack %d: %.3fs elapsed]\n", 6431dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown pid, (float)(nanotime() - start) / NANOS_PER_SEC); 644bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 645f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 646f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 647f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 648f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (dalvik_found == 0) { 649f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "Warning: no Dalvik processes found to dump stacks\n"); 650f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 651f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 652f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross static char dump_traces_path[PATH_MAX]; 653f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strlcpy(dump_traces_path, traces_path, sizeof(dump_traces_path)); 654f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strlcat(dump_traces_path, ".bugreport", sizeof(dump_traces_path)); 655f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (rename(traces_path, dump_traces_path)) { 656f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fprintf(stderr, "rename(%s, %s): %s\n", traces_path, dump_traces_path, strerror(errno)); 657bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown goto error_close_ifd; 658f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 659bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown result = dump_traces_path; 660f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 661f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* replace the saved [ANR] traces.txt file */ 662f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross rename(anr_traces_path, traces_path); 663bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 664bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownerror_close_ifd: 665bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown close(ifd); 666bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownerror_close_fd: 667bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown close(fd); 668bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown return result; 669f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 670f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 6712b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandranvoid dump_route_tables() { 6722b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran const char* const RT_TABLES_PATH = "/data/misc/net/rt_tables"; 6732b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran dump_file("RT_TABLES", RT_TABLES_PATH); 6742b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran FILE* fp = fopen(RT_TABLES_PATH, "r"); 6752b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran if (!fp) { 6762b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran printf("*** %s: %s\n", RT_TABLES_PATH, strerror(errno)); 6772b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran return; 6782b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran } 6792b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran char table[16]; 6802b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran // Each line has an integer (the table number), a space, and a string (the table name). We only 6812b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran // need the table number. It's a 32-bit unsigned number, so max 10 chars. Skip the table name. 6822b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran // Add a fixed max limit so this doesn't go awry. 6832b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran for (int i = 0; i < 64 && fscanf(fp, " %10s %*s", table) == 1; ++i) { 6842b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran run_command("ROUTE TABLE IPv4", 10, "ip", "-4", "route", "show", "table", table, NULL); 6852b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran run_command("ROUTE TABLE IPv6", 10, "ip", "-6", "route", "show", "table", table, NULL); 6862b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran } 6872b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran fclose(fp); 6882b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran} 689