adb_main.cpp revision bac3474a8256cb32a29e8d46f78cad95a5502692
1bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert/* 2bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * Copyright (C) 2015 The Android Open Source Project 3bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * 4bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * Licensed under the Apache License, Version 2.0 (the "License"); 5bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * you may not use this file except in compliance with the License. 6bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * You may obtain a copy of the License at 7bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * 8bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * http://www.apache.org/licenses/LICENSE-2.0 9bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * 10bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * Unless required by applicable law or agreed to in writing, software 11bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * distributed under the License is distributed on an "AS IS" BASIS, 12bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * See the License for the specific language governing permissions and 14bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * limitations under the License. 15bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert */ 16bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 17bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#define TRACE_TAG TRACE_ADB 18bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 19bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include <errno.h> 20bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include <signal.h> 21bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include <stdio.h> 22bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include <stdlib.h> 23bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 247664901a355b959f312e9acff5a0fd31b7139623Dan Albert#include "sysdeps.h" 257664901a355b959f312e9acff5a0fd31b7139623Dan Albert 26bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "adb.h" 27bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "adb_auth.h" 28bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "adb_listeners.h" 297664901a355b959f312e9acff5a0fd31b7139623Dan Albert#include "transport.h" 30bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 31bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if !ADB_HOST 32bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include <getopt.h> 336795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albert#include <sys/prctl.h> 34bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 35bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "cutils/properties.h" 36bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "private/android_filesystem_config.h" 37bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "selinux/selinux.h" 38bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 39bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "qemu_tracing.h" 40bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 41bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 42bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertstatic void adb_cleanup(void) 43bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 44bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert usb_cleanup(); 45bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 46bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 476795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albert#if defined(_WIN32) 486795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albertstatic BOOL WINAPI ctrlc_handler(DWORD type) 496795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albert{ 506795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albert exit(STATUS_CONTROL_C_EXIT); 516795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albert return TRUE; 526795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albert} 536795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albert#endif 546795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albert 55bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if ADB_HOST 56bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#ifdef WORKAROUND_BUG6558362 57bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include <sched.h> 58bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#define AFFINITY_ENVVAR "ADB_CPU_AFFINITY_BUG6558362" 59bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertvoid adb_set_affinity(void) 60bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 61bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert cpu_set_t cpu_set; 62bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert const char* cpunum_str = getenv(AFFINITY_ENVVAR); 63bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char* strtol_res; 64bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int cpu_num; 65bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 66bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (!cpunum_str || !*cpunum_str) 67bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return; 68bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert cpu_num = strtol(cpunum_str, &strtol_res, 0); 69bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (*strtol_res != '\0') 70bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fatal("bad number (%s) in env var %s. Expecting 0..n.\n", cpunum_str, AFFINITY_ENVVAR); 71bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 72bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert sched_getaffinity(0, sizeof(cpu_set), &cpu_set); 73bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("orig cpu_set[0]=0x%08lx\n", cpu_set.__bits[0]); 74bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert CPU_ZERO(&cpu_set); 75bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert CPU_SET(cpu_num, &cpu_set); 76bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert sched_setaffinity(0, sizeof(cpu_set), &cpu_set); 77bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert sched_getaffinity(0, sizeof(cpu_set), &cpu_set); 78bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("new cpu_set[0]=0x%08lx\n", cpu_set.__bits[0]); 79bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 80bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 81bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else /* ADB_HOST */ 82bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertstatic const char *root_seclabel = NULL; 83bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 84bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertstatic void drop_capabilities_bounding_set_if_needed() { 85bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#ifdef ALLOW_ADBD_ROOT 86bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char value[PROPERTY_VALUE_MAX]; 87bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("ro.debuggable", value, ""); 88bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (strcmp(value, "1") == 0) { 89bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return; 90bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 91bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 92bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int i; 93bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert for (i = 0; prctl(PR_CAPBSET_READ, i, 0, 0, 0) >= 0; i++) { 94bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (i == CAP_SETUID || i == CAP_SETGID) { 95bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // CAP_SETUID CAP_SETGID needed by /system/bin/run-as 96bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert continue; 97bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 98bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int err = prctl(PR_CAPBSET_DROP, i, 0, 0, 0); 99bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 100bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // Some kernels don't have file capabilities compiled in, and 101bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // prctl(PR_CAPBSET_DROP) returns EINVAL. Don't automatically 102bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // die when we see such misconfigured kernels. 103bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if ((err < 0) && (errno != EINVAL)) { 104bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 105bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 106bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 107bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 108bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 109bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertstatic bool should_drop_privileges() { 110bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if defined(ALLOW_ADBD_ROOT) 111bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char value[PROPERTY_VALUE_MAX]; 112bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 11313f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // The properties that affect `adb root` and `adb unroot` are ro.secure and 11413f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // ro.debuggable. In this context the names don't make the expected behavior 11513f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // particularly obvious. 11613f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // 11713f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // ro.debuggable: 11813f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // Allowed to become root, but not necessarily the default. Set to 1 on 11913f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // eng and userdebug builds. 12013f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // 12113f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // ro.secure: 12213f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // Drop privileges by default. Set to 1 on userdebug and user builds. 123bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("ro.secure", value, "1"); 124bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert bool ro_secure = (strcmp(value, "1") == 0); 125bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 12613f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert property_get("ro.debuggable", value, ""); 12713f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert bool ro_debuggable = (strcmp(value, "1") == 0); 12813f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert 129bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // Drop privileges if ro.secure is set... 130bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert bool drop = ro_secure; 131bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 132bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("service.adb.root", value, ""); 133bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert bool adb_root = (strcmp(value, "1") == 0); 134bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert bool adb_unroot = (strcmp(value, "0") == 0); 135bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 136bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // ...except "adb root" lets you keep privileges in a debuggable build. 137bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (ro_debuggable && adb_root) { 138bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert drop = false; 139bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 140bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 141bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // ...and "adb unroot" lets you explicitly drop privileges. 142bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (adb_unroot) { 143bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert drop = true; 144bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 145bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 146bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return drop; 147bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 148bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return true; // "adb root" not allowed, always drop privileges. 149bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif /* ALLOW_ADBD_ROOT */ 150bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 151bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 152bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertvoid start_device_log(void) 153bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 154bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int fd; 155bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char path[PATH_MAX]; 156bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert struct tm now; 157bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert time_t t; 158bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char value[PROPERTY_VALUE_MAX]; 159bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 160bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // read the trace mask from persistent property persist.adb.trace_mask 161bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // give up if the property is not set or cannot be parsed 162bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("persist.adb.trace_mask", value, ""); 163bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (sscanf(value, "%x", &adb_trace_mask) != 1) 164bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return; 165bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 166bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_mkdir("/data/adb", 0775); 167bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert tzset(); 168bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert time(&t); 169bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert localtime_r(&t, &now); 170bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert strftime(path, sizeof(path), 171bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert "/data/adb/adb-%Y-%m-%d-%H-%M-%S.txt", 172bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert &now); 173bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fd = unix_open(path, O_WRONLY | O_CREAT | O_TRUNC, 0640); 174bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (fd < 0) 175bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return; 176bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 177bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // redirect stdout and stderr to the log file 178bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert dup2(fd, 1); 179bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert dup2(fd, 2); 180bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); 181bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_close(fd); 182bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 183bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fd = unix_open("/dev/null", O_RDONLY); 184bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert dup2(fd, 0); 185bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_close(fd); 186bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 187bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif /* ADB_HOST */ 188bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 189bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert/* Constructs a local name of form tcp:port. 190bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * target_str points to the target string, it's content will be overwritten. 191bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * target_size is the capacity of the target string. 192bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * server_port is the port number to use for the local name. 193bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert */ 194bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertvoid build_local_name(char* target_str, size_t target_size, int server_port) 195bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 196bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert snprintf(target_str, target_size, "tcp:%d", server_port); 197bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 198bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 199bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertvoid start_logging(void) 200bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 201bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if defined(_WIN32) 202bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char temp[ MAX_PATH ]; 203bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert FILE* fnul; 204bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert FILE* flog; 205bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 206bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert GetTempPath( sizeof(temp) - 8, temp ); 207bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert strcat( temp, "adb.log" ); 208bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 209bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert /* Win32 specific redirections */ 210bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fnul = fopen( "NUL", "rt" ); 211bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (fnul != NULL) 212bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert stdin[0] = fnul[0]; 213bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 214bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert flog = fopen( temp, "at" ); 215bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (flog == NULL) 216bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert flog = fnul; 217bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 218bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert setvbuf( flog, NULL, _IONBF, 0 ); 219bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 220bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert stdout[0] = flog[0]; 221bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert stderr[0] = flog[0]; 222bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); 223bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 224bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int fd; 225bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 226bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fd = unix_open("/dev/null", O_RDONLY); 227bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert dup2(fd, 0); 228bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_close(fd); 229bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 230bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fd = unix_open("/tmp/adb.log", O_WRONLY | O_CREAT | O_APPEND, 0640); 231bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if(fd < 0) { 232bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fd = unix_open("/dev/null", O_WRONLY); 233bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 234bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert dup2(fd, 1); 235bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert dup2(fd, 2); 236bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_close(fd); 237bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); 238bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 239bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 240bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 241bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertint adb_main(int is_daemon, int server_port) 242bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 243bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if !ADB_HOST 244bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int port; 245bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char value[PROPERTY_VALUE_MAX]; 246bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 247bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert umask(000); 248bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 249bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 250bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert atexit(adb_cleanup); 251bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if defined(_WIN32) 252bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert SetConsoleCtrlHandler( ctrlc_handler, TRUE ); 253bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 254bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // No SIGCHLD. Let the service subproc handle its children. 255bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert signal(SIGPIPE, SIG_IGN); 256bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 257bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 258bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert init_transport_registration(); 259bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 260bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if ADB_HOST 261bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert HOST = 1; 262bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 263bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#ifdef WORKAROUND_BUG6558362 264bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if(is_daemon) adb_set_affinity(); 265bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 266bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert usb_init(); 267bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT); 268bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_auth_init(); 269bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 270bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char local_name[30]; 271bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert build_local_name(local_name, sizeof(local_name), server_port); 272bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if(install_listener(local_name, "*smartsocket*", NULL, 0)) { 273bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 274bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 275bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 276bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("ro.adb.secure", value, "0"); 277bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert auth_enabled = !strcmp(value, "1"); 278bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (auth_enabled) 279bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_auth_init(); 280bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 281bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // Our external storage path may be different than apps, since 282bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // we aren't able to bind mount after dropping root. 283bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert const char* adb_external_storage = getenv("ADB_EXTERNAL_STORAGE"); 284bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (NULL != adb_external_storage) { 285bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert setenv("EXTERNAL_STORAGE", adb_external_storage, 1); 286bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } else { 287bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("Warning: ADB_EXTERNAL_STORAGE is not set. Leaving EXTERNAL_STORAGE" 288bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert " unchanged.\n"); 289bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 290bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 291bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert /* add extra groups: 292bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_ADB to access the USB driver 293bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_LOG to read system logs (adb logcat) 294bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_INPUT to diagnose input issues (getevent) 295bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_INET to diagnose network issues (ping) 296bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_NET_BT and AID_NET_BT_ADMIN to diagnose bluetooth (hcidump) 297bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_SDCARD_R to allow reading from the SD card 298bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_SDCARD_RW to allow writing to the SD card 299bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_NET_BW_STATS to read out qtaguid statistics 300bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert */ 301bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert gid_t groups[] = { AID_ADB, AID_LOG, AID_INPUT, AID_INET, AID_NET_BT, 302bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert AID_NET_BT_ADMIN, AID_SDCARD_R, AID_SDCARD_RW, 303bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert AID_NET_BW_STATS }; 304bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) { 305bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 306bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 307bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 308bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert /* don't listen on a port (default 5037) if running in secure mode */ 309bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert /* don't run as root if we are running in secure mode */ 310bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (should_drop_privileges()) { 311bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert drop_capabilities_bounding_set_if_needed(); 312bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 313bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert /* then switch user and group to "shell" */ 314bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (setgid(AID_SHELL) != 0) { 315bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 316bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 317bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (setuid(AID_SHELL) != 0) { 318bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 319bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 320bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 321bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("Local port disabled\n"); 322bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } else { 323bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char local_name[30]; 324bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if ((root_seclabel != NULL) && (is_selinux_enabled() > 0)) { 325bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // b/12587913: fix setcon to allow const pointers 326bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (setcon((char *)root_seclabel) < 0) { 327bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 328bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 329bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 330bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert build_local_name(local_name, sizeof(local_name), server_port); 331bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if(install_listener(local_name, "*smartsocket*", NULL, 0)) { 332bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 333bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 334bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 335bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 336bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int usb = 0; 337bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (access(USB_ADB_PATH, F_OK) == 0 || access(USB_FFS_ADB_EP0, F_OK) == 0) { 338bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // listen on USB 339bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert usb_init(); 340bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert usb = 1; 341bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 342bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 343bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // If one of these properties is set, also listen on that port 344bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // If one of the properties isn't set and we couldn't listen on usb, 345bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // listen on the default port. 346bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("service.adb.tcp.port", value, ""); 347bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (!value[0]) { 348bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("persist.adb.tcp.port", value, ""); 349bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 350bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (sscanf(value, "%d", &port) == 1 && port > 0) { 351bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert printf("using port=%d\n", port); 352bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // listen on TCP port specified by service.adb.tcp.port property 353bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert local_init(port); 354bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } else if (!usb) { 355bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // listen on default port 356bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT); 357bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 358bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 359bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("adb_main(): pre init_jdwp()\n"); 360bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert init_jdwp(); 361bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("adb_main(): post init_jdwp()\n"); 362bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 363bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 364bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (is_daemon) 365bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert { 366bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // inform our parent that we are up and running. 367bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if defined(_WIN32) 368bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert DWORD count; 369bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert WriteFile( GetStdHandle( STD_OUTPUT_HANDLE ), "OK\n", 3, &count, NULL ); 370bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 371bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fprintf(stderr, "OK\n"); 372bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 373bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert start_logging(); 374bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 375bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("Event loop starting\n"); 376bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 377bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fdevent_loop(); 378bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 379bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert usb_cleanup(); 380bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 381bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return 0; 382bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 383bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 384bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertint main(int argc, char **argv) 385bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 386bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if ADB_HOST 387bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_sysdeps_init(); 388bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_trace_init(); 389bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("Handling commandline()\n"); 390bac3474a8256cb32a29e8d46f78cad95a5502692Dan Albert return adb_commandline(argc - 1, const_cast<const char**>(argv + 1)); 391bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 392bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert /* If adbd runs inside the emulator this will enable adb tracing via 393bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * adb-debug qemud service in the emulator. */ 394bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_qemu_trace_init(); 395bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert while(1) { 396bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int c; 397bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int option_index = 0; 398bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert static struct option opts[] = { 399bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert {"root_seclabel", required_argument, 0, 's' }, 400bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert {"device_banner", required_argument, 0, 'b' } 401bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert }; 402bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert c = getopt_long(argc, argv, "", opts, &option_index); 403bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (c == -1) 404bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert break; 405bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert switch (c) { 406bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert case 's': 407bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert root_seclabel = optarg; 408bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert break; 409bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert case 'b': 410bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_device_banner = optarg; 411bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert break; 412bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert default: 413bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert break; 414bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 415bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 416bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 417bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert start_device_log(); 418bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("Handling main()\n"); 419bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return adb_main(0, DEFAULT_ADB_PORT); 420bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 421bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 422