utils.cpp revision 5c04e7465eda8a558244e772da1e7d2a0d5f94e2
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> 2636b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme#include <string> 27f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <string.h> 28cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme#include <sys/capability.h> 29f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/inotify.h> 30f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/stat.h> 31a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn#include <sys/sysconf.h> 32f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/time.h> 33f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/wait.h> 34f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <sys/klog.h> 35f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <time.h> 36f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <unistd.h> 3736b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme#include <vector> 38e7b6cf13f94f66ea446c95ab34040b0a577e43dcJohn Michelau#include <sys/prctl.h> 39f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 4071bbfc57974331dce79242ce806d92035fce06baFelipe Leme#define LOG_TAG "dumpstate" 41bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown#include <cutils/debugger.h> 4271bbfc57974331dce79242ce806d92035fce06baFelipe Leme#include <cutils/log.h> 43f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <cutils/properties.h> 44f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <cutils/sockets.h> 45f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include <private/android_filesystem_config.h> 46f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 47957983787d7a753d34b582ae0165160f4ebf815cRobert Craig#include <selinux/android.h> 48957983787d7a753d34b582ae0165160f4ebf815cRobert Craig 49f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross#include "dumpstate.h" 50f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 511dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brownstatic const int64_t NANOS_PER_SEC = 1000000000; 521dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown 53bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown/* list of native processes to include in the native dumps */ 545c04e7465eda8a558244e772da1e7d2a0d5f94e2Andy Hung// This matches the /proc/pid/exe link instead of /proc/pid/cmdline. 55bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownstatic const char* native_processes_to_dump[] = { 569609bbd79668dbc3c8c16c773c92637de98bfa70Andy Hung "/system/bin/audioserver", 57f5248da50134b087cbe8b58d2e1d2310537911e3Chien-Yu Chen "/system/bin/cameraserver", 581fc4f80fc38f782f128102795481924a97a2d3c5James Dong "/system/bin/drmserver", 595c04e7465eda8a558244e772da1e7d2a0d5f94e2Andy Hung "/system/bin/mediacodec", // media.codec 605c04e7465eda8a558244e772da1e7d2a0d5f94e2Andy Hung "/system/bin/mediadrmserver", 615c04e7465eda8a558244e772da1e7d2a0d5f94e2Andy Hung "/system/bin/mediaextractor", // media.extractor 62bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown "/system/bin/mediaserver", 63bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown "/system/bin/sdcard", 64bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown "/system/bin/surfaceflinger", 65d907b32052aca02ad679e6ae786848d328723080keunyoung "/system/bin/vehicle_network_service", 66bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown NULL, 67bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown}; 68bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 69608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe LemeDurationReporter::DurationReporter(const char *title) : DurationReporter(title, stdout) {} 70608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme 71608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe LemeDurationReporter::DurationReporter(const char *title, FILE *out) { 7278f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme title_ = title; 7378f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme if (title) { 7478f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme started_ = DurationReporter::nanotime(); 7578f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme } 76608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme out_ = out; 7778f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme} 7878f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme 7978f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe LemeDurationReporter::~DurationReporter() { 8078f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme if (title_) { 8178f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t elapsed = DurationReporter::nanotime() - started_; 8278f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme // Use "Yoda grammar" to make it easier to grep|sort sections. 83608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme if (out_) { 84608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme fprintf(out_, "------ %.3fs was the duration of '%s' ------\n", 85608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme (float) elapsed / NANOS_PER_SEC, title_); 86608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme } else { 87cbce55d4fdbdd2e5a5515054c48d2116c5db2712Felipe Leme MYLOGD("Duration of '%s': %.3fs\n", title_, (float) elapsed / NANOS_PER_SEC); 88608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme } 8978f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme } 9078f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme} 9178f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme 9278f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Lemeuint64_t DurationReporter::DurationReporter::nanotime() { 9354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris struct timespec ts; 9454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris clock_gettime(CLOCK_MONOTONIC, &ts); 9578f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme return (uint64_t) ts.tv_sec * NANOS_PER_SEC + ts.tv_nsec; 9654bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris} 9754bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris 985ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlockvoid for_each_userid(void (*func)(int), const char *header) { 9993d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 1005ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock DIR *d; 1015ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock struct dirent *de; 1025ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 1035ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock if (header) printf("\n------ %s ------\n", header); 1045ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock func(0); 1055ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 1065ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock if (!(d = opendir("/data/system/users"))) { 1075ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock printf("Failed to open /data/system/users (%s)\n", strerror(errno)); 1085ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock return; 1095ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock } 1105ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 1115ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock while ((de = readdir(d))) { 1125ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock int userid; 1135ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock if (de->d_type != DT_DIR || !(userid = atoi(de->d_name))) { 1145ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock continue; 1155ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock } 1165ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock func(userid); 1175ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock } 1185ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 1195ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock closedir(d); 1205ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock} 1215ecd4beef8f10f91febf916414c65d3d0e1cf734John Spurlock 1220c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossstatic void __for_each_pid(void (*helper)(int, const char *, void *), const char *header, void *arg) { 123f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross DIR *d; 124f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross struct dirent *de; 125f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 126f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (!(d = opendir("/proc"))) { 127f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("Failed to open /proc (%s)\n", strerror(errno)); 128f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 129f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 130f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 131635ca31754ae734b0c540ac5600d58ae55cd4237Felipe Leme if (header) printf("\n------ %s ------\n", header); 132f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross while ((de = readdir(d))) { 133f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int pid; 134f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int fd; 135f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char cmdpath[255]; 136f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char cmdline[255]; 137f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 138f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (!(pid = atoi(de->d_name))) { 139f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross continue; 140f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 141f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 142f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross memset(cmdline, 0, sizeof(cmdline)); 143a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 144a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprintf(cmdpath, sizeof(cmdpath), "/proc/%d/cmdline", pid); 145a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if ((fd = TEMP_FAILURE_RETRY(open(cmdpath, O_RDONLY | O_CLOEXEC))) >= 0) { 146a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn TEMP_FAILURE_RETRY(read(fd, cmdline, sizeof(cmdline) - 2)); 147a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn close(fd); 148a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (cmdline[0]) { 149a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn helper(pid, cmdline, arg); 150a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn continue; 151a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 152a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 153a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 154a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn // if no cmdline, a kernel thread has comm 155a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprintf(cmdpath, sizeof(cmdpath), "/proc/%d/comm", pid); 156a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if ((fd = TEMP_FAILURE_RETRY(open(cmdpath, O_RDONLY | O_CLOEXEC))) >= 0) { 157a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn TEMP_FAILURE_RETRY(read(fd, cmdline + 1, sizeof(cmdline) - 4)); 158f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 159a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (cmdline[1]) { 160a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn cmdline[0] = '['; 161a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn size_t len = strcspn(cmdline, "\f\b\r\n"); 162a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn cmdline[len] = ']'; 163a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn cmdline[len+1] = '\0'; 164a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 165a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 166a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (!cmdline[0]) { 167a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn strcpy(cmdline, "N/A"); 168f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 1690c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross helper(pid, cmdline, arg); 170f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 171f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 172f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross closedir(d); 173f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 174f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 1750c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossstatic void for_each_pid_helper(int pid, const char *cmdline, void *arg) { 1768620bb4118a68721d10c29529dc6978847d08d00Felipe Leme for_each_pid_func *func = (for_each_pid_func*) arg; 1770c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross func(pid, cmdline); 1780c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross} 1790c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1800c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossvoid for_each_pid(for_each_pid_func func, const char *header) { 18193d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 1828620bb4118a68721d10c29529dc6978847d08d00Felipe Leme __for_each_pid(for_each_pid_helper, header, (void *)func); 1830c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross} 1840c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1850c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossstatic void for_each_tid_helper(int pid, const char *cmdline, void *arg) { 1860c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross DIR *d; 1870c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross struct dirent *de; 1880c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char taskpath[255]; 1898620bb4118a68721d10c29529dc6978847d08d00Felipe Leme for_each_tid_func *func = (for_each_tid_func *) arg; 1900c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1910c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross sprintf(taskpath, "/proc/%d/task", pid); 1920c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1930c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross if (!(d = opendir(taskpath))) { 1940c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross printf("Failed to open %s (%s)\n", taskpath, strerror(errno)); 1950c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross return; 1960c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 1970c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 1980c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross func(pid, pid, cmdline); 1990c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2000c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross while ((de = readdir(d))) { 2010c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross int tid; 2020c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross int fd; 2030c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char commpath[255]; 2040c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char comm[255]; 2050c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2060c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross if (!(tid = atoi(de->d_name))) { 2070c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross continue; 2080c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 2090c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2100c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross if (tid == pid) 2110c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross continue; 2120c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2130c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross sprintf(commpath,"/proc/%d/comm", tid); 2141493a3974a725d6873f317b774be333ca035a64cColin Cross memset(comm, 0, sizeof(comm)); 215cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich if ((fd = TEMP_FAILURE_RETRY(open(commpath, O_RDONLY | O_CLOEXEC))) < 0) { 2160c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross strcpy(comm, "N/A"); 2170c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } else { 2180c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char *c; 219a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn TEMP_FAILURE_RETRY(read(fd, comm, sizeof(comm) - 2)); 2200c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross close(fd); 2210c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2220c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross c = strrchr(comm, '\n'); 2230c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross if (c) { 2240c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross *c = '\0'; 2250c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 2260c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 2270c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross func(pid, tid, comm); 2280c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross } 2290c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2300c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross closedir(d); 2310c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross} 2320c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2330c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossvoid for_each_tid(for_each_tid_func func, const char *header) { 23493d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 2358620bb4118a68721d10c29529dc6978847d08d00Felipe Leme __for_each_pid(for_each_tid_helper, header, (void *) func); 2360c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross} 2370c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2380c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Crossvoid show_wchan(int pid, int tid, const char *name) { 23993d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 240f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char path[255]; 241f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char buffer[255]; 242a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn int fd, ret, save_errno; 2430c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross char name_buffer[255]; 244f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 245f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross memset(buffer, 0, sizeof(buffer)); 246f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 2470c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross sprintf(path, "/proc/%d/wchan", tid); 248cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich if ((fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_CLOEXEC))) < 0) { 249f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("Failed to open '%s' (%s)\n", path, strerror(errno)); 250f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 251f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 252f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 253a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn ret = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer))); 254a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn save_errno = errno; 255a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn close(fd); 256a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 257a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (ret < 0) { 258a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn printf("Failed to read '%s' (%s)\n", path, strerror(save_errno)); 259a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn return; 260f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 261f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 2620c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross snprintf(name_buffer, sizeof(name_buffer), "%*s%s", 2630c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross pid == tid ? 0 : 3, "", name); 2640c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross 2650c22e8b31651caf12a2b4d4acef5bc65d486e570Colin Cross printf("%-7d %-32s %s\n", tid, name_buffer, buffer); 266f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 267a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn return; 268a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn} 269a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 270a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn// print time in centiseconds 271a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzynstatic void snprcent(char *buffer, size_t len, size_t spc, 272a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn unsigned long long time) { 273a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn static long hz; // cache discovered hz 274a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 275a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (hz <= 0) { 276a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn hz = sysconf(_SC_CLK_TCK); 277a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (hz <= 0) { 278a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn hz = 1000; 279a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 280a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 281a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 282a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn // convert to centiseconds 283a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn time = (time * 100 + (hz / 2)) / hz; 284a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 285a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn char str[16]; 286a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 287a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprintf(str, sizeof(str), " %llu.%02u", 288a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn time / 100, (unsigned)(time % 100)); 289a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn size_t offset = strlen(buffer); 290a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprintf(buffer + offset, (len > offset) ? len - offset : 0, 291a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn "%*s", (spc > offset) ? (int)(spc - offset) : 0, str); 292a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn} 293a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 294a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn// print permille as a percent 295a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzynstatic void snprdec(char *buffer, size_t len, size_t spc, unsigned permille) { 296a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn char str[16]; 297a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 298a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprintf(str, sizeof(str), " %u.%u%%", permille / 10, permille % 10); 299a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn size_t offset = strlen(buffer); 300a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprintf(buffer + offset, (len > offset) ? len - offset : 0, 301a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn "%*s", (spc > offset) ? (int)(spc - offset) : 0, str); 302a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn} 303a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 304a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzynvoid show_showtime(int pid, const char *name) { 305a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn ON_DRY_RUN_RETURN(); 306a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn char path[255]; 307a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn char buffer[1023]; 308a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn int fd, ret, save_errno; 309a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 310a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn memset(buffer, 0, sizeof(buffer)); 311a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 312a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn sprintf(path, "/proc/%d/stat", pid); 313a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if ((fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_CLOEXEC))) < 0) { 314a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn printf("Failed to open '%s' (%s)\n", path, strerror(errno)); 315a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn return; 316a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 317a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 318a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn ret = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer))); 319a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn save_errno = errno; 320f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 321a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 322a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (ret < 0) { 323a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn printf("Failed to read '%s' (%s)\n", path, strerror(save_errno)); 324a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn return; 325a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 326a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 327a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn // field 14 is utime 328a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn // field 15 is stime 329a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn // field 42 is iotime 330a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn unsigned long long utime = 0, stime = 0, iotime = 0; 331a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (sscanf(buffer, 33260292e5c8324475c5afbd0a6703b6b3ae2c94b1aXia Yang "%*u %*s %*s %*d %*d %*d %*d %*d %*d %*d %*d " 33360292e5c8324475c5afbd0a6703b6b3ae2c94b1aXia Yang "%*d %*d %llu %llu %*d %*d %*d %*d %*d %*d " 33460292e5c8324475c5afbd0a6703b6b3ae2c94b1aXia Yang "%*d %*d %*d %*d %*d %*d %*d %*d %*d %*d " 33560292e5c8324475c5afbd0a6703b6b3ae2c94b1aXia Yang "%*d %*d %*d %*d %*d %*d %*d %*d %*d %llu ", 336a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn &utime, &stime, &iotime) != 3) { 337a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn return; 338a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 339a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 340a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn unsigned long long total = utime + stime; 341a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (!total) { 342a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn return; 343a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 344a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 345a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn unsigned permille = (iotime * 1000 + (total / 2)) / total; 346a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (permille > 1000) { 347a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn permille = 1000; 348a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 349a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 350a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn // try to beautify and stabilize columns at <80 characters 351a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprintf(buffer, sizeof(buffer), "%-6d%s", pid, name); 352a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if ((name[0] != '[') || utime) { 353a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprcent(buffer, sizeof(buffer), 57, utime); 354a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 355a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprcent(buffer, sizeof(buffer), 65, stime); 356a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if ((name[0] != '[') || iotime) { 357a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprcent(buffer, sizeof(buffer), 73, iotime); 358a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 359a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn if (iotime) { 360a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn snprdec(buffer, sizeof(buffer), 79, permille); 361a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn } 362a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn puts(buffer); // adds a trailing newline 363a297c3258f6f7ea52cc2dcc42d62f85fda12a163Mark Salyzyn 364f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 365f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 366f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 367f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossvoid do_dmesg() { 36878f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme const char *title = "KERNEL LOG (dmesg)"; 36978f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter(title); 37078f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme printf("------ %s ------\n", title); 37178f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme 37293d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 3735f87b31d8076dff08b2363961b07fc052364fe95Elliott Hughes /* Get size of kernel buffer */ 3745f87b31d8076dff08b2363961b07fc052364fe95Elliott Hughes int size = klogctl(KLOG_SIZE_BUFFER, NULL, 0); 375f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (size <= 0) { 376f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("Unexpected klogctl return value: %d\n\n", size); 377f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 378f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 379f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char *buf = (char *) malloc(size + 1); 380f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (buf == NULL) { 381f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("memory allocation failed\n\n"); 382f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 383f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 384f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int retval = klogctl(KLOG_READ_ALL, buf, size); 385f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (retval < 0) { 386f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("klogctl failure\n\n"); 387f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross free(buf); 388f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 389f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 390f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross buf[retval] = '\0'; 391f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("%s\n\n", buf); 392f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross free(buf); 393f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return; 394f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 395f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 396f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossvoid do_showmap(int pid, const char *name) { 397f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char title[255]; 398f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char arg[255]; 399f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 400f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross sprintf(title, "SHOW MAP %d (%s)", pid, name); 401f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross sprintf(arg, "%d", pid); 4023dba69aad214a873c619d125ff0441b817947100Felipe Leme run_command(title, 10, SU_PATH, "root", "showmap", "-q", arg, NULL); 403f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 404f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 40554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferrisstatic int _dump_file_from_fd(const char *title, const char *path, int fd) { 406f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (title) { 407ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris printf("------ %s (%s", title, path); 408ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris 409f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross struct stat st; 410ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris // Only show the modification time of non-device files. 411ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris size_t path_len = strlen(path); 412ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris if ((path_len < 6 || memcmp(path, "/proc/", 6)) && 413ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris (path_len < 5 || memcmp(path, "/sys/", 5)) && 414ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris (path_len < 3 || memcmp(path, "/d/", 3)) && 415ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris !fstat(fd, &st)) { 416f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char stamp[80]; 417f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross time_t mtime = st.st_mtime; 418f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strftime(stamp, sizeof(stamp), "%Y-%m-%d %H:%M:%S", localtime(&mtime)); 419f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf(": %s", stamp); 420f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 421f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf(") ------\n"); 422f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 42371bbfc57974331dce79242ce806d92035fce06baFelipe Leme ON_DRY_RUN({ update_progress(WEIGHT_FILE); close(fd); return 0; }); 424f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 42554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris bool newline = false; 42654bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris fd_set read_set; 42754bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris struct timeval tm; 42854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris while (1) { 42954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris FD_ZERO(&read_set); 43054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris FD_SET(fd, &read_set); 43154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris /* Timeout if no data is read for 30 seconds. */ 43254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris tm.tv_sec = 30; 43354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris tm.tv_usec = 0; 43478f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t elapsed = DurationReporter::nanotime(); 43554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris int ret = TEMP_FAILURE_RETRY(select(fd + 1, &read_set, NULL, NULL, &tm)); 43654bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (ret == -1) { 43754bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: select failed: %s\n", path, strerror(errno)); 43854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris newline = true; 43954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris break; 44054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } else if (ret == 0) { 44178f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme elapsed = DurationReporter::nanotime() - elapsed; 44254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: Timed out after %.3fs\n", path, 44354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris (float) elapsed / NANOS_PER_SEC); 44454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris newline = true; 44554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris break; 44654bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } else { 44754bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris char buffer[65536]; 44854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer))); 44954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (bytes_read > 0) { 45054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris fwrite(buffer, bytes_read, 1, stdout); 45154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris newline = (buffer[bytes_read-1] == '\n'); 45254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } else { 45354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (bytes_read == -1) { 45454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: Failed to read from fd: %s", path, strerror(errno)); 45554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris newline = true; 45654bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } 45754bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris break; 45854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } 459f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 460f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 46171bbfc57974331dce79242ce806d92035fce06baFelipe Leme update_progress(WEIGHT_FILE); 462997abb668b9248c2174c6cf169a0b7c6a02fd2cbElliott Hughes close(fd); 4637dc7f3221f26b771c266a26ec785eb74287922f1Christopher Ferris 464f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (!newline) printf("\n"); 465f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (title) printf("\n"); 466f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return 0; 467f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 468f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 46954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris/* prints the contents of a file */ 47054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferrisint dump_file(const char *title, const char *path) { 47178f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter(title); 47254bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris int fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_NONBLOCK | O_CLOEXEC)); 47354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (fd < 0) { 47454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris int err = errno; 47554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: %s\n", path, strerror(err)); 47654bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (title) printf("\n"); 47754bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris return -1; 47854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } 47954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris return _dump_file_from_fd(title, path, fd); 48054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris} 48154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris 48271a74ac75c8687195d27642fa0db31a796102c59Felipe Lemeint read_file_as_long(const char *path, long int *output) { 48371a74ac75c8687195d27642fa0db31a796102c59Felipe Leme int fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_NONBLOCK | O_CLOEXEC)); 48471a74ac75c8687195d27642fa0db31a796102c59Felipe Leme if (fd < 0) { 48571a74ac75c8687195d27642fa0db31a796102c59Felipe Leme int err = errno; 48671a74ac75c8687195d27642fa0db31a796102c59Felipe Leme MYLOGE("Error opening file descriptor for %s: %s\n", path, strerror(err)); 48771a74ac75c8687195d27642fa0db31a796102c59Felipe Leme return -1; 48871a74ac75c8687195d27642fa0db31a796102c59Felipe Leme } 48971a74ac75c8687195d27642fa0db31a796102c59Felipe Leme char buffer[50]; 49071a74ac75c8687195d27642fa0db31a796102c59Felipe Leme ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer))); 49171a74ac75c8687195d27642fa0db31a796102c59Felipe Leme if (bytes_read == -1) { 49271a74ac75c8687195d27642fa0db31a796102c59Felipe Leme MYLOGE("Error reading file %s: %s\n", path, strerror(errno)); 49371a74ac75c8687195d27642fa0db31a796102c59Felipe Leme return -2; 49471a74ac75c8687195d27642fa0db31a796102c59Felipe Leme } 49571a74ac75c8687195d27642fa0db31a796102c59Felipe Leme if (bytes_read == 0) { 49671a74ac75c8687195d27642fa0db31a796102c59Felipe Leme MYLOGE("File %s is empty\n", path); 49771a74ac75c8687195d27642fa0db31a796102c59Felipe Leme return -3; 49871a74ac75c8687195d27642fa0db31a796102c59Felipe Leme } 49971a74ac75c8687195d27642fa0db31a796102c59Felipe Leme *output = atoi(buffer); 50071a74ac75c8687195d27642fa0db31a796102c59Felipe Leme return 0; 50171a74ac75c8687195d27642fa0db31a796102c59Felipe Leme} 50271a74ac75c8687195d27642fa0db31a796102c59Felipe Leme 503326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn/* calls skip to gate calling dump_from_fd recursively 504326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn * in the specified directory. dump_from_fd defaults to 505326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn * dump_file_from_fd above when set to NULL. skip defaults 506326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn * to false when set to NULL. dump_from_fd will always be 507326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn * called with title NULL. 508326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn */ 509326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzynint dump_files(const char *title, const char *dir, 510326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn bool (*skip)(const char *path), 511326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn int (*dump_from_fd)(const char *title, const char *path, int fd)) { 51278f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter(title); 513326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn DIR *dirp; 514326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn struct dirent *d; 515326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn char *newpath = NULL; 5168620bb4118a68721d10c29529dc6978847d08d00Felipe Leme const char *slash = "/"; 517326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn int fd, retval = 0; 518326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn 519326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (title) { 520326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn printf("------ %s (%s) ------\n", title, dir); 521326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 52293d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(0); 523326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn 524326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (dir[strlen(dir) - 1] == '/') { 525326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn ++slash; 526326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 527326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn dirp = opendir(dir); 528326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (dirp == NULL) { 529326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn retval = -errno; 530107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("%s: %s\n", dir, strerror(errno)); 531326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn return retval; 532326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 533326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn 534326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (!dump_from_fd) { 535326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn dump_from_fd = dump_file_from_fd; 536326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 537326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn for (; ((d = readdir(dirp))); free(newpath), newpath = NULL) { 538326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if ((d->d_name[0] == '.') 539326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn && (((d->d_name[1] == '.') && (d->d_name[2] == '\0')) 540326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn || (d->d_name[1] == '\0'))) { 541326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn continue; 542326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 543326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn asprintf(&newpath, "%s%s%s%s", dir, slash, d->d_name, 544326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn (d->d_type == DT_DIR) ? "/" : ""); 545326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (!newpath) { 546326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn retval = -errno; 547326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn continue; 548326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 549326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (skip && (*skip)(newpath)) { 550326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn continue; 551326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 552326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (d->d_type == DT_DIR) { 553326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn int ret = dump_files(NULL, newpath, skip, dump_from_fd); 554326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (ret < 0) { 555326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn retval = ret; 556326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 557326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn continue; 558326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 559326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn fd = TEMP_FAILURE_RETRY(open(newpath, O_RDONLY | O_NONBLOCK | O_CLOEXEC)); 560326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (fd < 0) { 561326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn retval = fd; 562326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn printf("*** %s: %s\n", newpath, strerror(errno)); 563326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn continue; 564326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 565326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn (*dump_from_fd)(NULL, newpath, fd); 566326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 567326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn closedir(dirp); 568326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn if (title) { 569326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn printf("\n"); 570326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn } 571326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn return retval; 572326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn} 573326842fca4883f1256aa9ed019bb3206ee76fca7Mark Salyzyn 57454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris/* fd must have been opened with the flag O_NONBLOCK. With this flag set, 57554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris * it's possible to avoid issues where opening the file itself can get 57654bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris * stuck. 57754bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris */ 57854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferrisint dump_file_from_fd(const char *title, const char *path, int fd) { 57954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris int flags = fcntl(fd, F_GETFL); 58054bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris if (flags == -1) { 58154bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: failed to get flags on fd %d: %s\n", path, fd, strerror(errno)); 582ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris close(fd); 58354bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris return -1; 58454bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } else if (!(flags & O_NONBLOCK)) { 58554bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris printf("*** %s: fd must have O_NONBLOCK set.\n", path); 586ed24d2ae2cd6e8b0afb86efa555f18bcfaf74a64Christopher Ferris close(fd); 58754bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris return -1; 58854bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris } 58954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris return _dump_file_from_fd(title, path, fd); 5901dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown} 5911dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown 5921a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferrisbool waitpid_with_timeout(pid_t pid, int timeout_seconds, int* status) { 5931a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris sigset_t child_mask, old_mask; 5941a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris sigemptyset(&child_mask); 5951a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris sigaddset(&child_mask, SIGCHLD); 5961a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris 5971a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (sigprocmask(SIG_BLOCK, &child_mask, &old_mask) == -1) { 5981a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** sigprocmask failed: %s\n", strerror(errno)); 5991a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return false; 6001a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 6011a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris 6021a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris struct timespec ts; 6031a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris ts.tv_sec = timeout_seconds; 6041a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris ts.tv_nsec = 0; 6051a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris int ret = TEMP_FAILURE_RETRY(sigtimedwait(&child_mask, NULL, &ts)); 6061a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris int saved_errno = errno; 6071a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris // Set the signals back the way they were. 6081a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (sigprocmask(SIG_SETMASK, &old_mask, NULL) == -1) { 6091a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** sigprocmask failed: %s\n", strerror(errno)); 6101a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (ret == 0) { 6111a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return false; 6121a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 6131a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 6141a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (ret == -1) { 6151a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris errno = saved_errno; 6161a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (errno == EAGAIN) { 6171a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris errno = ETIMEDOUT; 6181a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } else { 6191a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** sigtimedwait failed: %s\n", strerror(errno)); 6201a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 6211a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return false; 6221a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 6231a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris 6241a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris pid_t child_pid = waitpid(pid, status, WNOHANG); 6251a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (child_pid != pid) { 6261a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (child_pid != -1) { 6271a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** Waiting for pid %d, got pid %d instead\n", pid, child_pid); 6281a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } else { 6291a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris printf("*** waitpid failed: %s\n", strerror(errno)); 6301a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 6311a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return false; 6321a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 6331a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return true; 6341a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris} 6351a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris 636a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme// TODO: refactor all those commands that convert args 637a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Lemevoid format_args(const char* command, const char *args[], std::string *string); 638a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme 639f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossint run_command(const char *title, int timeout_seconds, const char *command, ...) { 64078f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter(title); 641f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fflush(stdout); 64293d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme 64393d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme const char *args[1024] = {command}; 64493d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme size_t arg; 64593d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme va_list ap; 64693d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme va_start(ap, command); 64793d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme if (title) printf("------ %s (%s", title, command); 648a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme bool null_terminated = false; 64993d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme for (arg = 1; arg < sizeof(args) / sizeof(args[0]); ++arg) { 65093d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme args[arg] = va_arg(ap, const char *); 651a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme if (args[arg] == nullptr) { 652a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme null_terminated = true; 653a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme break; 654a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme } 655ea160d134cd46c246859072f90ab5dd05ada6364Felipe Leme // TODO: null_terminated check is not really working; line below would crash dumpstate if 656ea160d134cd46c246859072f90ab5dd05ada6364Felipe Leme // nullptr is missing 65793d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme if (title) printf(" %s", args[arg]); 65893d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme } 65993d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme if (title) printf(") ------\n"); 66093d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme fflush(stdout); 661a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme if (!null_terminated) { 662a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme // Fail now, otherwise execvp() call on run_command_always() might hang. 663a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme std::string cmd; 664a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme format_args(command, args, &cmd); 665a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme MYLOGE("skipping command %s because its args were not NULL-terminated", cmd.c_str()); 666a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme return -1; 667a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme } 66893d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme 66971bbfc57974331dce79242ce806d92035fce06baFelipe Leme ON_DRY_RUN({ update_progress(timeout_seconds); va_end(ap); return 0; }); 67093d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme 67129c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme int status = run_command_always(title, DONT_DROP_ROOT, NORMAL_STDOUT, timeout_seconds, args); 672cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme va_end(ap); 673cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme return status; 674cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme} 675cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme 676cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Lemeint run_command_as_shell(const char *title, int timeout_seconds, const char *command, ...) { 677cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme DurationReporter duration_reporter(title); 678cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme fflush(stdout); 679cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme 680cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme const char *args[1024] = {command}; 681cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme size_t arg; 682cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme va_list ap; 683cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme va_start(ap, command); 684cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme if (title) printf("------ %s (%s", title, command); 685cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme bool null_terminated = false; 686cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme for (arg = 1; arg < sizeof(args) / sizeof(args[0]); ++arg) { 687cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme args[arg] = va_arg(ap, const char *); 688cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme if (args[arg] == nullptr) { 689cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme null_terminated = true; 690cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme break; 691cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme } 692ea160d134cd46c246859072f90ab5dd05ada6364Felipe Leme // TODO: null_terminated check is not really working; line below would crash dumpstate if 693ea160d134cd46c246859072f90ab5dd05ada6364Felipe Leme // nullptr is missing 694cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme if (title) printf(" %s", args[arg]); 695cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme } 696cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme if (title) printf(") ------\n"); 697cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme fflush(stdout); 698cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme if (!null_terminated) { 699cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme // Fail now, otherwise execvp() call on run_command_always() might hang. 700cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme std::string cmd; 701cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme format_args(command, args, &cmd); 702cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme MYLOGE("skipping command %s because its args were not NULL-terminated", cmd.c_str()); 703cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme return -1; 704cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme } 705cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme 706cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme ON_DRY_RUN({ update_progress(timeout_seconds); va_end(ap); return 0; }); 707cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme 70829c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme int status = run_command_always(title, DROP_ROOT, NORMAL_STDOUT, timeout_seconds, args); 70971bbfc57974331dce79242ce806d92035fce06baFelipe Leme va_end(ap); 71071bbfc57974331dce79242ce806d92035fce06baFelipe Leme return status; 71193d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme} 71293d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme 71393d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme/* forks a command and waits for it to finish */ 71429c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Lemeint run_command_always(const char *title, RootMode root_mode, StdoutMode stdout_mode, 71529c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme int timeout_seconds, const char *args[]) { 71629c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme bool silent = (stdout_mode == REDIRECT_TO_STDERR); 717ea160d134cd46c246859072f90ab5dd05ada6364Felipe Leme // TODO: need to check if args is null-terminated, otherwise execvp will crash dumpstate 718ea160d134cd46c246859072f90ab5dd05ada6364Felipe Leme 71971bbfc57974331dce79242ce806d92035fce06baFelipe Leme /* TODO: for now we're simplifying the progress calculation by using the timeout as the weight. 72071bbfc57974331dce79242ce806d92035fce06baFelipe Leme * It's a good approximation for most cases, except when calling dumpsys, where its weight 72171bbfc57974331dce79242ce806d92035fce06baFelipe Leme * should be much higher proportionally to its timeout. */ 72271bbfc57974331dce79242ce806d92035fce06baFelipe Leme int weight = timeout_seconds; 72393d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme 72436b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme const char *command = args[0]; 72578f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t start = DurationReporter::nanotime(); 726f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross pid_t pid = fork(); 727f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 728f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* handle error case */ 729f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (pid < 0) { 73029c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme if (!silent) printf("*** fork: %s\n", strerror(errno)); 73129c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme MYLOGE("*** fork: %s\n", strerror(errno)); 732f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return pid; 733f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 734f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 735f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* handle child case */ 736f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (pid == 0) { 73729c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme if (root_mode == DROP_ROOT && !drop_root_user()) { 73829c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme if (!silent) printf("*** fail todrop root before running %s: %s\n", command, 73929c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme strerror(errno)); 74029c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme MYLOGE("*** could not drop root before running %s: %s\n", command, strerror(errno)); 74173f731c30a8b7d811127b8e89e01c427b6aab622Felipe Leme return -1; 742cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme } 743f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 74429c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme if (silent) { 74529c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme // Redirect stderr to stdout 74629c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme dup2(STDERR_FILENO, STDOUT_FILENO); 74729c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme } 74829c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme 749e7b6cf13f94f66ea446c95ab34040b0a577e43dcJohn Michelau /* make sure the child dies when dumpstate dies */ 750e7b6cf13f94f66ea446c95ab34040b0a577e43dcJohn Michelau prctl(PR_SET_PDEATHSIG, SIGKILL); 751e7b6cf13f94f66ea446c95ab34040b0a577e43dcJohn Michelau 7522e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales /* just ignore SIGPIPE, will go down with parent's */ 7532e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales struct sigaction sigact; 7542e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales memset(&sigact, 0, sizeof(sigact)); 7552e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales sigact.sa_handler = SIG_IGN; 7562e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales sigaction(SIGPIPE, &sigact, NULL); 7572e671bbdb741c2926b6df7b240fdc31c7361f330Andres Morales 758f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross execvp(command, (char**) args); 759ea160d134cd46c246859072f90ab5dd05ada6364Felipe Leme // execvp's result will be handled after waitpid_with_timeout() below, but if it failed, 760ea160d134cd46c246859072f90ab5dd05ada6364Felipe Leme // it's safer to exit dumpstate. 761ea160d134cd46c246859072f90ab5dd05ada6364Felipe Leme MYLOGD("execvp on command '%s' failed (error: %s)", command, strerror(errno)); 762ec72578b8461a5601962ea8102fd74a1f86d91fbFelipe Leme fflush(stdout); 763baa85bd893665a48aee73d7ca7b73cd39b48f998Felipe Leme // Must call _exit (instead of exit), otherwise it will corrupt the zip file. 764baa85bd893665a48aee73d7ca7b73cd39b48f998Felipe Leme _exit(EXIT_FAILURE); 765f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 766f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 767f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* handle parent case */ 7681a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris int status; 7691a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris bool ret = waitpid_with_timeout(pid, timeout_seconds, &status); 77078f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t elapsed = DurationReporter::nanotime() - start; 771a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme std::string cmd; // used to log command and its args 7721a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (!ret) { 7731a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (errno == ETIMEDOUT) { 774a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme format_args(command, args, &cmd); 77529c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme if (!silent) printf("*** command '%s' timed out after %.3fs (killing pid %d)\n", 77629c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme cmd.c_str(), (float) elapsed / NANOS_PER_SEC, pid); 777a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme MYLOGE("command '%s' timed out after %.3fs (killing pid %d)\n", cmd.c_str(), 7781a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris (float) elapsed / NANOS_PER_SEC, pid); 7791a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } else { 780a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme format_args(command, args, &cmd); 78129c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme if (!silent) printf("*** command '%s': Error after %.4fs (killing pid %d)\n", 78229c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme cmd.c_str(), (float) elapsed / NANOS_PER_SEC, pid); 783a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme MYLOGE("command '%s': Error after %.4fs (killing pid %d)\n", cmd.c_str(), 7841a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris (float) elapsed / NANOS_PER_SEC, pid); 785f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 7861a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris kill(pid, SIGTERM); 7871a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (!waitpid_with_timeout(pid, 5, NULL)) { 7881a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris kill(pid, SIGKILL); 7891a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (!waitpid_with_timeout(pid, 5, NULL)) { 79029c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme if (!silent) printf("could not kill command '%s' (pid %d) even with SIGKILL.\n", 79129c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme command, pid); 79214e034a02ec34b2c76afb06975bdfc943a9b5607Felipe Leme MYLOGE("could not kill command '%s' (pid %d) even with SIGKILL.\n", command, pid); 7931a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 794f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 7951a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return -1; 796a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme } else if (status) { 797a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme format_args(command, args, &cmd); 79829c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme if (!silent) printf("*** command '%s' failed: %s\n", cmd.c_str(), strerror(errno)); 799a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme MYLOGE("command '%s' failed: %s\n", cmd.c_str(), strerror(errno)); 800a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme return -2; 8011a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } 802f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 8031a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris if (WIFSIGNALED(status)) { 80429c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme if (!silent) printf("*** %s: Killed by signal %d\n", command, WTERMSIG(status)); 80529c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme MYLOGE("*** %s: Killed by signal %d\n", command, WTERMSIG(status)); 8061a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris } else if (WIFEXITED(status) && WEXITSTATUS(status) > 0) { 80729c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme if (!silent) printf("*** %s: Exit code %d\n", command, WEXITSTATUS(status)); 80829c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme MYLOGE("*** %s: Exit code %d\n", command, WEXITSTATUS(status)); 809f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 8101a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris 81171bbfc57974331dce79242ce806d92035fce06baFelipe Leme if (weight > 0) { 81271bbfc57974331dce79242ce806d92035fce06baFelipe Leme update_progress(weight); 81371bbfc57974331dce79242ce806d92035fce06baFelipe Leme } 8141a9a3386151d90152cc18d995b9877b50ca84d90Christopher Ferris return status; 815f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 816f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 817cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Lemebool drop_root_user() { 818cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme if (getgid() == AID_SHELL && getuid() == AID_SHELL) { 819cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme MYLOGD("drop_root_user(): already running as Shell"); 820cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme return true; 821cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme } 822cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme /* ensure we will keep capabilities when we drop root */ 823cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme if (prctl(PR_SET_KEEPCAPS, 1) < 0) { 824cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme MYLOGE("prctl(PR_SET_KEEPCAPS) failed: %s\n", strerror(errno)); 825cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme return false; 826cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme } 827cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme 828cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme gid_t groups[] = { AID_LOG, AID_SDCARD_R, AID_SDCARD_RW, 829cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme AID_MOUNT, AID_INET, AID_NET_BW_STATS, AID_READPROC }; 830cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) { 831cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme MYLOGE("Unable to setgroups, aborting: %s\n", strerror(errno)); 832cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme return false; 833cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme } 834cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme if (setgid(AID_SHELL) != 0) { 835cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme MYLOGE("Unable to setgid, aborting: %s\n", strerror(errno)); 836cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme return false; 837cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme } 838cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme if (setuid(AID_SHELL) != 0) { 839cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme MYLOGE("Unable to setuid, aborting: %s\n", strerror(errno)); 840cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme return false; 841cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme } 842cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme 843cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme struct __user_cap_header_struct capheader; 844cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme struct __user_cap_data_struct capdata[2]; 845cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme memset(&capheader, 0, sizeof(capheader)); 846cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme memset(&capdata, 0, sizeof(capdata)); 847cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme capheader.version = _LINUX_CAPABILITY_VERSION_3; 848cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme capheader.pid = 0; 849cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme 850cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme capdata[CAP_TO_INDEX(CAP_SYSLOG)].permitted = CAP_TO_MASK(CAP_SYSLOG); 851cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme capdata[CAP_TO_INDEX(CAP_SYSLOG)].effective = CAP_TO_MASK(CAP_SYSLOG); 852cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme capdata[0].inheritable = 0; 853cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme capdata[1].inheritable = 0; 854cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme 855cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme if (capset(&capheader, &capdata[0]) < 0) { 856cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme MYLOGE("capset failed: %s\n", strerror(errno)); 857cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme return false; 858cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme } 859cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme 860cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme return true; 861cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme} 862cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme 86336b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Lemevoid send_broadcast(const std::string& action, const std::vector<std::string>& args) { 86436b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme if (args.size() > 1000) { 865107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("send_broadcast: too many arguments (%d)\n", (int) args.size()); 86636b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme return; 86736b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme } 868cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme const char *am_args[1024] = { "/system/bin/am", "broadcast", "--user", "0", "-a", 869cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme action.c_str() }; 870cf6a8b47dc04f1c33ddc337b5e21f2c5b7354cb5Felipe Leme size_t am_index = 5; // Starts at the index of last initial value above. 87136b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme for (const std::string& arg : args) { 87236b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme am_args[++am_index] = arg.c_str(); 87336b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme } 87436b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme // Always terminate with NULL. 87536b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme am_args[am_index + 1] = NULL; 876a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme std::string args_string; 877a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme format_args(am_index + 1, am_args, &args_string); 878a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme MYLOGD("send_broadcast command: %s\n", args_string.c_str()); 87929c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme run_command_always(NULL, DROP_ROOT, REDIRECT_TO_STDERR, 20, am_args); 88036b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme} 88136b3f6ff17e456dea81501006e33d5fdd1d3b480Felipe Leme 882f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crosssize_t num_props = 0; 883f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossstatic char* props[2000]; 884f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 885f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossstatic void print_prop(const char *key, const char *name, void *user) { 886f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross (void) user; 887f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (num_props < sizeof(props) / sizeof(props[0])) { 888f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char buf[PROPERTY_KEY_MAX + PROPERTY_VALUE_MAX + 10]; 889f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross snprintf(buf, sizeof(buf), "[%s]: [%s]\n", key, name); 890f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross props[num_props++] = strdup(buf); 891f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 892f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 893f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 894f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossstatic int compare_prop(const void *a, const void *b) { 895f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return strcmp(*(char * const *) a, *(char * const *) b); 896f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 897f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 898f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross/* prints all the system properties */ 899f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Crossvoid print_properties() { 90078f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme const char* title = "SYSTEM PROPERTIES"; 90178f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter(title); 90278f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme printf("------ %s ------\n", title); 90393d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 904f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross size_t i; 905f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross num_props = 0; 906f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross property_list(print_prop, NULL); 907f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross qsort(&props, num_props, sizeof(props[0]), compare_prop); 908f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 909f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross for (i = 0; i < num_props; ++i) { 910f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fputs(props[i], stdout); 911f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross free(props[i]); 912f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 913f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross printf("\n"); 914f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 915f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 9162628e9e939fda323fa44c5cb743f4a77b12a312aFelipe Lemeint open_socket(const char *service) { 917f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int s = android_get_control_socket(service); 918f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (s < 0) { 919107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("android_get_control_socket(%s): %s\n", service, strerror(errno)); 920f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 921f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 922cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich fcntl(s, F_SETFD, FD_CLOEXEC); 923f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (listen(s, 4) < 0) { 924107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("listen(control socket): %s\n", strerror(errno)); 925f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 926f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 927f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 928f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross struct sockaddr addr; 929f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross socklen_t alen = sizeof(addr); 930f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int fd = accept(s, &addr, &alen); 931f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (fd < 0) { 932107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("accept(control socket): %s\n", strerror(errno)); 933f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 934f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 935f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 9362628e9e939fda323fa44c5cb743f4a77b12a312aFelipe Leme return fd; 9372628e9e939fda323fa44c5cb743f4a77b12a312aFelipe Leme} 9382628e9e939fda323fa44c5cb743f4a77b12a312aFelipe Leme 9392628e9e939fda323fa44c5cb743f4a77b12a312aFelipe Leme/* redirect output to a service control socket */ 9402628e9e939fda323fa44c5cb743f4a77b12a312aFelipe Lemevoid redirect_to_socket(FILE *redirect, const char *service) { 9412628e9e939fda323fa44c5cb743f4a77b12a312aFelipe Leme int fd = open_socket(service); 942f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross fflush(redirect); 943f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross dup2(fd, fileno(redirect)); 944f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 945f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 946f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 9472628e9e939fda323fa44c5cb743f4a77b12a312aFelipe Leme// TODO: should call is_valid_output_file and/or be merged into it. 948111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Lemevoid create_parent_dirs(const char *path) { 949fdf52d3697aa0396bd9d8883892937b99a6772a0Srinath Sridharan char *chp = const_cast<char *> (path); 950f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 951f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* skip initial slash */ 952f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (chp[0] == '/') 953f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross chp++; 954f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 955f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* create leading directories, if necessary */ 956111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme struct stat dir_stat; 957f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross while (chp && chp[0]) { 958f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross chp = strchr(chp, '/'); 959f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (chp) { 960f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross *chp = 0; 961111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme if (stat(path, &dir_stat) == -1 || !S_ISDIR(dir_stat.st_mode)) { 962cbce55d4fdbdd2e5a5515054c48d2116c5db2712Felipe Leme MYLOGI("Creating directory %s\n", path); 963111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme if (mkdir(path, 0770)) { /* drwxrwx--- */ 964cbce55d4fdbdd2e5a5515054c48d2116c5db2712Felipe Leme MYLOGE("Unable to create directory %s: %s\n", path, strerror(errno)); 965111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme } else if (chown(path, AID_SHELL, AID_SHELL)) { 966cbce55d4fdbdd2e5a5515054c48d2116c5db2712Felipe Leme MYLOGE("Unable to change ownership of dir %s: %s\n", path, strerror(errno)); 967111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme } 968111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme } 969f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross *chp++ = '/'; 970f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 971f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 972111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme} 973111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme 974111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme/* redirect output to a file */ 975111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Lemevoid redirect_to_file(FILE *redirect, char *path) { 976111b9d06cc0fc72438782c9234f28675e5077ef4Felipe Leme create_parent_dirs(path); 977f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 978608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme int fd = TEMP_FAILURE_RETRY(open(path, O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC | O_NOFOLLOW, 979ff4a4dc7e6e3ead12020b4dc17548d767a419ddeChristopher Ferris S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)); 980f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (fd < 0) { 981107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("%s: %s\n", path, strerror(errno)); 982f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross exit(1); 983f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 984f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 985ff4a4dc7e6e3ead12020b4dc17548d767a419ddeChristopher Ferris TEMP_FAILURE_RETRY(dup2(fd, fileno(redirect))); 986f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross close(fd); 987f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 988f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 989bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownstatic bool should_dump_native_traces(const char* path) { 990bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown for (const char** p = native_processes_to_dump; *p; p++) { 991bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (!strcmp(*p, path)) { 992bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown return true; 993bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 994bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 995bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown return false; 996bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown} 997bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 998bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown/* dump Dalvik and native stack traces, return the trace file location (NULL if none) */ 999bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownconst char *dump_traces() { 1000608385dd151e36a93f3e3f4a7514b1e720d20ae9Felipe Leme DurationReporter duration_reporter("DUMP TRACES", NULL); 100193d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(NULL); 1002bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown const char* result = NULL; 1003bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 1004f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char traces_path[PROPERTY_VALUE_MAX] = ""; 1005f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross property_get("dalvik.vm.stack-trace-file", traces_path, ""); 1006f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (!traces_path[0]) return NULL; 1007f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 1008f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* move the old traces.txt (if any) out of the way temporarily */ 1009f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross char anr_traces_path[PATH_MAX]; 1010f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strlcpy(anr_traces_path, traces_path, sizeof(anr_traces_path)); 1011f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strlcat(anr_traces_path, ".anr", sizeof(anr_traces_path)); 1012f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (rename(traces_path, anr_traces_path) && errno != ENOENT) { 1013107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("rename(%s, %s): %s\n", traces_path, anr_traces_path, strerror(errno)); 1014f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return NULL; // Can't rename old traces.txt -- no permission? -- leave it alone instead 1015f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 1016f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 1017f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* create a new, empty traces.txt file to receive stack dumps */ 1018cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich int fd = TEMP_FAILURE_RETRY(open(traces_path, O_CREAT | O_WRONLY | O_TRUNC | O_NOFOLLOW | O_CLOEXEC, 101954bcc5ffd5a79f4f194089c58d3de571532bf39bChristopher Ferris 0666)); /* -rw-rw-rw- */ 1020f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (fd < 0) { 1021107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("%s: %s\n", traces_path, strerror(errno)); 1022f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross return NULL; 1023f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 1024c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich int chmod_ret = fchmod(fd, 0666); 1025c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich if (chmod_ret < 0) { 1026107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("fchmod on %s failed: %s\n", traces_path, strerror(errno)); 1027c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich close(fd); 1028c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich return NULL; 1029c7f1fe26804ab986b90f3ba007db94f71e94932aNick Kralevich } 1030f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 10318620bb4118a68721d10c29529dc6978847d08d00Felipe Leme /* Variables below must be initialized before 'goto' statements */ 10328620bb4118a68721d10c29529dc6978847d08d00Felipe Leme int dalvik_found = 0; 10338620bb4118a68721d10c29529dc6978847d08d00Felipe Leme int ifd, wfd = -1; 10348620bb4118a68721d10c29529dc6978847d08d00Felipe Leme 1035f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* walk /proc and kill -QUIT all Dalvik processes */ 1036f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross DIR *proc = opendir("/proc"); 1037f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (proc == NULL) { 1038107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("/proc: %s\n", strerror(errno)); 1039bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown goto error_close_fd; 1040f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 1041f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 1042f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* use inotify to find when processes are done dumping */ 10438620bb4118a68721d10c29529dc6978847d08d00Felipe Leme ifd = inotify_init(); 1044f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (ifd < 0) { 1045107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("inotify_init: %s\n", strerror(errno)); 1046bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown goto error_close_fd; 1047f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 1048f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 10498620bb4118a68721d10c29529dc6978847d08d00Felipe Leme wfd = inotify_add_watch(ifd, traces_path, IN_CLOSE_WRITE); 1050f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (wfd < 0) { 1051107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("inotify_add_watch(%s): %s\n", traces_path, strerror(errno)); 1052bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown goto error_close_ifd; 1053f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 1054f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 1055f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross struct dirent *d; 1056f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross while ((d = readdir(proc))) { 1057f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross int pid = atoi(d->d_name); 1058f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (pid <= 0) continue; 1059f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 1060bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown char path[PATH_MAX]; 1061bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown char data[PATH_MAX]; 1062f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross snprintf(path, sizeof(path), "/proc/%d/exe", pid); 1063bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown ssize_t len = readlink(path, data, sizeof(data) - 1); 1064bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (len <= 0) { 1065f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross continue; 1066f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 1067bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown data[len] = '\0'; 1068f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 10690d6180f122127a9541e6193e0e6eceb5b08c608cColin Cross if (!strncmp(data, "/system/bin/app_process", strlen("/system/bin/app_process"))) { 1070bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown /* skip zygote -- it won't dump its stack anyway */ 1071bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); 1072cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich int cfd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_CLOEXEC)); 10731dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown len = read(cfd, data, sizeof(data) - 1); 10741dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown close(cfd); 1075bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (len <= 0) { 1076bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown continue; 1077bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 1078bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown data[len] = '\0'; 10790d6180f122127a9541e6193e0e6eceb5b08c608cColin Cross if (!strncmp(data, "zygote", strlen("zygote"))) { 1080bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown continue; 1081bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 1082bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 1083bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown ++dalvik_found; 108478f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t start = DurationReporter::nanotime(); 1085bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (kill(pid, SIGQUIT)) { 1086107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("kill(%d, SIGQUIT): %s\n", pid, strerror(errno)); 1087bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown continue; 1088bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 1089bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 1090bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown /* wait for the writable-close notification from inotify */ 1091bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown struct pollfd pfd = { ifd, POLLIN, 0 }; 109285453ecc90a94564e586f0f97c9ec2c0cf831501Nick Vaccaro int ret = poll(&pfd, 1, 5000); /* 5 sec timeout */ 1093bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (ret < 0) { 1094107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("poll: %s\n", strerror(errno)); 1095bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } else if (ret == 0) { 1096107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("warning: timed out dumping pid %d\n", pid); 1097bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } else { 1098bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown struct inotify_event ie; 1099bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown read(ifd, &ie, sizeof(ie)); 1100bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 11011dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown 11021dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown if (lseek(fd, 0, SEEK_END) < 0) { 1103107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("lseek: %s\n", strerror(errno)); 11041dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown } else { 110531ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris dprintf(fd, "[dump dalvik stack %d: %.3fs elapsed]\n", 110678f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme pid, (float)(DurationReporter::nanotime() - start) / NANOS_PER_SEC); 11071dc94e315680b47fe430ef90f46c50a25c92fb6dJeff Brown } 1108bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } else if (should_dump_native_traces(data)) { 1109bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown /* dump native process if appropriate */ 1110bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown if (lseek(fd, 0, SEEK_END) < 0) { 1111107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("lseek: %s\n", strerror(errno)); 1112bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } else { 111331ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris static uint16_t timeout_failures = 0; 111478f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme uint64_t start = DurationReporter::nanotime(); 111531ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris 111631ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris /* If 3 backtrace dumps fail in a row, consider debuggerd dead. */ 111731ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris if (timeout_failures == 3) { 111831ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris dprintf(fd, "too many stack dump failures, skipping...\n"); 111931ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris } else if (dump_backtrace_to_file_timeout(pid, fd, 20) == -1) { 112031ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris dprintf(fd, "dumping failed, likely due to a timeout\n"); 112131ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris timeout_failures++; 112231ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris } else { 112331ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris timeout_failures = 0; 112431ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris } 112531ef85529d86a9db68b002f51ec84fd9938908abChristopher Ferris dprintf(fd, "[dump native stack %d: %.3fs elapsed]\n", 112678f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme pid, (float)(DurationReporter::nanotime() - start) / NANOS_PER_SEC); 1127bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown } 1128f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 1129f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 1130f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 1131f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (dalvik_found == 0) { 1132107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("Warning: no Dalvik processes found to dump stacks\n"); 1133f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 1134f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 1135f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross static char dump_traces_path[PATH_MAX]; 1136f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strlcpy(dump_traces_path, traces_path, sizeof(dump_traces_path)); 1137f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross strlcat(dump_traces_path, ".bugreport", sizeof(dump_traces_path)); 1138f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross if (rename(traces_path, dump_traces_path)) { 1139107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGE("rename(%s, %s): %s\n", traces_path, dump_traces_path, strerror(errno)); 1140bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown goto error_close_ifd; 1141f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross } 1142bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown result = dump_traces_path; 1143f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 1144f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross /* replace the saved [ANR] traces.txt file */ 1145f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross rename(anr_traces_path, traces_path); 1146bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown 1147bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownerror_close_ifd: 1148bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown close(ifd); 1149bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brownerror_close_fd: 1150bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown close(fd); 1151bf7f49238d0af497d4300f7e611cf831854d6434Jeff Brown return result; 1152f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross} 1153f45fa6b2853cc32385375a0b63ee39ad6a968869Colin Cross 11542b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandranvoid dump_route_tables() { 115578f2c86235d5882a8dc84c85a1c1864062e5f3afFelipe Leme DurationReporter duration_reporter("DUMP ROUTE TABLES"); 115693d705b6d742e8f00167ff2384e35c2205a6f9daFelipe Leme ON_DRY_RUN_RETURN(); 11572b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran const char* const RT_TABLES_PATH = "/data/misc/net/rt_tables"; 11582b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran dump_file("RT_TABLES", RT_TABLES_PATH); 1159cd67e9f059e270017d5defd8784c89dd8e6bcde7Nick Kralevich FILE* fp = fopen(RT_TABLES_PATH, "re"); 11602b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran if (!fp) { 11612b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran printf("*** %s: %s\n", RT_TABLES_PATH, strerror(errno)); 11622b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran return; 11632b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran } 11642b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran char table[16]; 11652b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran // Each line has an integer (the table number), a space, and a string (the table name). We only 11662b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran // need the table number. It's a 32-bit unsigned number, so max 10 chars. Skip the table name. 11672b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran // Add a fixed max limit so this doesn't go awry. 11682b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran for (int i = 0; i < 64 && fscanf(fp, " %10s %*s", table) == 1; ++i) { 11692b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran run_command("ROUTE TABLE IPv4", 10, "ip", "-4", "route", "show", "table", table, NULL); 11702b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran run_command("ROUTE TABLE IPv6", 10, "ip", "-6", "route", "show", "table", table, NULL); 11712b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran } 11722b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran fclose(fp); 11732b3bba34aec65b612be8d1f52cd124d9c30955f9Sreeram Ramachandran} 117471bbfc57974331dce79242ce806d92035fce06baFelipe Leme 117571bbfc57974331dce79242ce806d92035fce06baFelipe Leme/* overall progress */ 117671bbfc57974331dce79242ce806d92035fce06baFelipe Lemeint progress = 0; 117708b5578b7370b11e6eeb1f2619fd9d54b0536760Felipe Lemeint do_update_progress = 0; // Set by dumpstate.cpp 1178ad5f6c475934ac6a658a203069a9f055540946e7Felipe Lemeint weight_total = WEIGHT_TOTAL; 117971bbfc57974331dce79242ce806d92035fce06baFelipe Leme 118071bbfc57974331dce79242ce806d92035fce06baFelipe Leme// TODO: make this function thread safe if sections are generated in parallel. 118171bbfc57974331dce79242ce806d92035fce06baFelipe Lemevoid update_progress(int delta) { 118271bbfc57974331dce79242ce806d92035fce06baFelipe Leme if (!do_update_progress) return; 118371bbfc57974331dce79242ce806d92035fce06baFelipe Leme 118471bbfc57974331dce79242ce806d92035fce06baFelipe Leme progress += delta; 118571bbfc57974331dce79242ce806d92035fce06baFelipe Leme 118671bbfc57974331dce79242ce806d92035fce06baFelipe Leme char key[PROPERTY_KEY_MAX]; 118771bbfc57974331dce79242ce806d92035fce06baFelipe Leme char value[PROPERTY_VALUE_MAX]; 1188ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme 1189ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme // adjusts max on the fly 1190ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme if (progress > weight_total) { 1191ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme int new_total = weight_total * 1.2; 1192107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGD("Adjusting total weight from %d to %d\n", weight_total, new_total); 1193ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme weight_total = new_total; 1194ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme sprintf(key, "dumpstate.%d.max", getpid()); 1195ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme sprintf(value, "%d", weight_total); 1196ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme int status = property_set(key, value); 1197ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme if (status) { 1198cbce55d4fdbdd2e5a5515054c48d2116c5db2712Felipe Leme MYLOGE("Could not update max weight by setting system property %s to %s: %d\n", 1199ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme key, value, status); 1200ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme } 1201ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme } 1202ad5f6c475934ac6a658a203069a9f055540946e7Felipe Leme 120371bbfc57974331dce79242ce806d92035fce06baFelipe Leme sprintf(key, "dumpstate.%d.progress", getpid()); 120471bbfc57974331dce79242ce806d92035fce06baFelipe Leme sprintf(value, "%d", progress); 120571bbfc57974331dce79242ce806d92035fce06baFelipe Leme 1206107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme if (progress % 100 == 0) { 1207107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme // We don't want to spam logcat, so only log multiples of 100. 1208107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme MYLOGD("Setting progress (%s): %s/%d\n", key, value, weight_total); 1209107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme } else { 1210107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme // stderr is ignored on normal invocations, but useful when calling /system/bin/dumpstate 1211107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme // directly for debuggging. 1212107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme fprintf(stderr, "Setting progress (%s): %s/%d\n", key, value, weight_total); 1213107a05f72e711c92545d0be648ab79c4f858f372Felipe Leme } 121471bbfc57974331dce79242ce806d92035fce06baFelipe Leme 121571bbfc57974331dce79242ce806d92035fce06baFelipe Leme int status = property_set(key, value); 121671bbfc57974331dce79242ce806d92035fce06baFelipe Leme if (status) { 1217cbce55d4fdbdd2e5a5515054c48d2116c5db2712Felipe Leme MYLOGE("Could not update progress by setting system property %s to %s: %d\n", 121871bbfc57974331dce79242ce806d92035fce06baFelipe Leme key, value, status); 121971bbfc57974331dce79242ce806d92035fce06baFelipe Leme } 122071bbfc57974331dce79242ce806d92035fce06baFelipe Leme} 1221e338bf60701e5b955ab0a097f2631f2190218894Felipe Leme 12223634a1e3459cb609da709646107e246cafbc01f9Felipe Lemevoid take_screenshot(const std::string& path) { 1223e338bf60701e5b955ab0a097f2631f2190218894Felipe Leme const char *args[] = { "/system/bin/screencap", "-p", path.c_str(), NULL }; 122429c39715b8a45ca2e97aecd8ebb63183f63da72bFelipe Leme run_command_always(NULL, DONT_DROP_ROOT, REDIRECT_TO_STDERR, 10, args); 1225e338bf60701e5b955ab0a097f2631f2190218894Felipe Leme} 1226f55d402132afa4b9dd38aa69e50ec7b7efb1927cMark Salyzyn 12270c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Lemevoid vibrate(FILE* vibrator, int ms) { 12280c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme fprintf(vibrator, "%d\n", ms); 12290c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme fflush(vibrator); 12300c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme} 12310c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme 12320c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Lemebool is_dir(const char* pathname) { 12330c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme struct stat info; 12340c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme if (stat(pathname, &info) == -1) { 12350c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme return false; 12360c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme } 12370c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme return S_ISDIR(info.st_mode); 12380c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme} 12390c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme 12400c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Lemetime_t get_mtime(int fd, time_t default_mtime) { 12410c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme struct stat info; 12420c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme if (fstat(fd, &info) == -1) { 12430c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme return default_mtime; 12440c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme } 12450c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme return info.st_mtime; 12460c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme} 12470c80cf0caaf5dce5ef4d0265b249bd1ec680cca1Felipe Leme 12488c8130eb68c89987a94db084608a4229bad06c18Mark Salyzynvoid dump_emmc_ecsd(const char *ext_csd_path) { 12498c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const size_t EXT_CSD_REV = 192; 12508c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const size_t EXT_PRE_EOL_INFO = 267; 12518c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const size_t EXT_DEVICE_LIFE_TIME_EST_TYP_A = 268; 12528c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const size_t EXT_DEVICE_LIFE_TIME_EST_TYP_B = 269; 12538c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn struct hex { 12548c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn char str[2]; 12558c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } buffer[512]; 12568c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn int fd, ext_csd_rev, ext_pre_eol_info; 12578c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ssize_t bytes_read; 12588c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const char *ver_str[] = { 12598c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "4.0", "4.1", "4.2", "4.3", "Obsolete", "4.41", "4.5", "5.0" 12608c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn }; 12618c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const char *eol_str[] = { 12628c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Undefined", 12638c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Normal", 12648c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Warning (consumed 80% of reserve)", 12654b45d6732c649aa15799076d68e5fb5a170819bcMark Salyzyn "Urgent (consumed 90% of reserve)" 12668c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn }; 12678c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 12688c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("------ %s Extended CSD ------\n", ext_csd_path); 12698c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 12708c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn fd = TEMP_FAILURE_RETRY(open(ext_csd_path, 12718c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn O_RDONLY | O_NONBLOCK | O_CLOEXEC)); 12728c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (fd < 0) { 12738c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: %s\n\n", ext_csd_path, strerror(errno)); 12748c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 12758c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 12768c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 12778c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer))); 12788c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn close(fd); 12798c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (bytes_read < 0) { 12808c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: %s\n\n", ext_csd_path, strerror(errno)); 12818c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 12828c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 12834b45d6732c649aa15799076d68e5fb5a170819bcMark Salyzyn if (bytes_read < (ssize_t)(EXT_CSD_REV * sizeof(struct hex))) { 12848c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: truncated content %zd\n\n", ext_csd_path, bytes_read); 12858c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 12868c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 12878c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 12888c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_csd_rev = 0; 12898c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (sscanf(buffer[EXT_CSD_REV].str, "%02x", &ext_csd_rev) != 1) { 12908c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: EXT_CSD_REV parse error \"%.2s\"\n\n", 12918c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_csd_path, buffer[EXT_CSD_REV].str); 12928c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 12938c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 12948c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 12958c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("rev 1.%d (MMC %s)\n", 12968c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_csd_rev, 12978c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn (ext_csd_rev < (int)(sizeof(ver_str) / sizeof(ver_str[0]))) ? 12988c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ver_str[ext_csd_rev] : 12998c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Unknown"); 13008c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (ext_csd_rev < 7) { 13018c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("\n"); 13028c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 13038c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 13048c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 13054b45d6732c649aa15799076d68e5fb5a170819bcMark Salyzyn if (bytes_read < (ssize_t)(EXT_PRE_EOL_INFO * sizeof(struct hex))) { 13068c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: truncated content %zd\n\n", ext_csd_path, bytes_read); 13078c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 13088c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 13098c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 13108c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_pre_eol_info = 0; 13118c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (sscanf(buffer[EXT_PRE_EOL_INFO].str, "%02x", &ext_pre_eol_info) != 1) { 13128c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: PRE_EOL_INFO parse error \"%.2s\"\n\n", 13138c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_csd_path, buffer[EXT_PRE_EOL_INFO].str); 13148c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn return; 13158c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 13168c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("PRE_EOL_INFO %d (MMC %s)\n", 13178c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_pre_eol_info, 13188c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn eol_str[(ext_pre_eol_info < (int) 13198c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn (sizeof(eol_str) / sizeof(eol_str[0]))) ? 13208c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_pre_eol_info : 0]); 13218c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 13228c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn for (size_t lifetime = EXT_DEVICE_LIFE_TIME_EST_TYP_A; 13238c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn lifetime <= EXT_DEVICE_LIFE_TIME_EST_TYP_B; 13248c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ++lifetime) { 13258c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn int ext_device_life_time_est; 13268c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn static const char *est_str[] = { 13278c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Undefined", 13288c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "0-10% of device lifetime used", 13298c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "10-20% of device lifetime used", 13308c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "20-30% of device lifetime used", 13318c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "30-40% of device lifetime used", 13328c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "40-50% of device lifetime used", 13338c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "50-60% of device lifetime used", 13348c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "60-70% of device lifetime used", 13358c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "70-80% of device lifetime used", 13368c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "80-90% of device lifetime used", 13378c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "90-100% of device lifetime used", 13388c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn "Exceeded the maximum estimated device lifetime", 13398c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn }; 13408c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 13414b45d6732c649aa15799076d68e5fb5a170819bcMark Salyzyn if (bytes_read < (ssize_t)(lifetime * sizeof(struct hex))) { 13428c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: truncated content %zd\n", ext_csd_path, bytes_read); 13438c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn break; 13448c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 13458c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 13468c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_device_life_time_est = 0; 13478c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn if (sscanf(buffer[lifetime].str, "%02x", &ext_device_life_time_est) != 1) { 13488c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("*** %s: DEVICE_LIFE_TIME_EST_TYP_%c parse error \"%.2s\"\n", 13498c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_csd_path, 13508c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn (unsigned)(lifetime - EXT_DEVICE_LIFE_TIME_EST_TYP_A) + 'A', 13518c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn buffer[lifetime].str); 13528c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn continue; 13538c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 13548c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("DEVICE_LIFE_TIME_EST_TYP_%c %d (MMC %s)\n", 13558c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn (unsigned)(lifetime - EXT_DEVICE_LIFE_TIME_EST_TYP_A) + 'A', 13568c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_device_life_time_est, 13578c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn est_str[(ext_device_life_time_est < (int) 13588c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn (sizeof(est_str) / sizeof(est_str[0]))) ? 13598c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn ext_device_life_time_est : 0]); 13608c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn } 13618c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn 13628c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn printf("\n"); 13638c8130eb68c89987a94db084608a4229bad06c18Mark Salyzyn} 136488c7933df551f6dadd8cc931d104b01d6d1609e4Felipe Leme 1365a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme// TODO: refactor all those commands that convert args 1366a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Lemevoid format_args(int argc, const char *argv[], std::string *args) { 1367a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme LOG_ALWAYS_FATAL_IF(args == nullptr); 136888c7933df551f6dadd8cc931d104b01d6d1609e4Felipe Leme for (int i = 0; i < argc; i++) { 1369a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme args->append(argv[i]); 1370a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme if (i < argc -1) { 1371a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme args->append(" "); 1372a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme } 1373a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme } 1374a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme} 1375a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Lemevoid format_args(const char* command, const char *args[], std::string *string) { 1376a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme LOG_ALWAYS_FATAL_IF(args == nullptr || command == nullptr); 1377a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme string->append(command); 1378a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme if (args[0] == nullptr) return; 1379a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme string->append(" "); 1380a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme 1381a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme for (int arg = 1; arg <= 1000; ++arg) { 1382a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme if (args[arg] == nullptr) return; 1383a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme string->append(args[arg]); 1384a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme if (args[arg+1] != nullptr) { 1385a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme string->append(" "); 1386a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme } 138788c7933df551f6dadd8cc931d104b01d6d1609e4Felipe Leme } 1388ea160d134cd46c246859072f90ab5dd05ada6364Felipe Leme // TODO: not really working: if NULL is missing, it will crash dumpstate. 1389a34efb7ae17a7ea1078cce75be634120bd72a421Felipe Leme MYLOGE("internal error: missing NULL entry on %s", string->c_str()); 139088c7933df551f6dadd8cc931d104b01d6d1609e4Felipe Leme} 1391