adb_main.cpp revision bd0b750897bebaa10e16507fdd08dbc746cd228d
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#include <sys/prctl.h> 24bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 25bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "adb.h" 26bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "adb_auth.h" 27bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "adb_listeners.h" 28bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "sysdeps.h" 29bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 30bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if !ADB_HOST 31bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include <getopt.h> 32bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 33bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "cutils/properties.h" 34bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "private/android_filesystem_config.h" 35bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "selinux/selinux.h" 36bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 37bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "qemu_tracing.h" 38bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 39bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 40bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertstatic void adb_cleanup(void) 41bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 42bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert usb_cleanup(); 43bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 44bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 45bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if ADB_HOST 46bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#ifdef WORKAROUND_BUG6558362 47bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include <sched.h> 48bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#define AFFINITY_ENVVAR "ADB_CPU_AFFINITY_BUG6558362" 49bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertvoid adb_set_affinity(void) 50bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 51bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert cpu_set_t cpu_set; 52bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert const char* cpunum_str = getenv(AFFINITY_ENVVAR); 53bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char* strtol_res; 54bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int cpu_num; 55bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 56bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (!cpunum_str || !*cpunum_str) 57bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return; 58bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert cpu_num = strtol(cpunum_str, &strtol_res, 0); 59bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (*strtol_res != '\0') 60bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fatal("bad number (%s) in env var %s. Expecting 0..n.\n", cpunum_str, AFFINITY_ENVVAR); 61bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 62bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert sched_getaffinity(0, sizeof(cpu_set), &cpu_set); 63bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("orig cpu_set[0]=0x%08lx\n", cpu_set.__bits[0]); 64bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert CPU_ZERO(&cpu_set); 65bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert CPU_SET(cpu_num, &cpu_set); 66bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert sched_setaffinity(0, sizeof(cpu_set), &cpu_set); 67bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert sched_getaffinity(0, sizeof(cpu_set), &cpu_set); 68bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("new cpu_set[0]=0x%08lx\n", cpu_set.__bits[0]); 69bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 70bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 71bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else /* ADB_HOST */ 72bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertstatic const char *root_seclabel = NULL; 73bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 74bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertstatic void drop_capabilities_bounding_set_if_needed() { 75bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#ifdef ALLOW_ADBD_ROOT 76bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char value[PROPERTY_VALUE_MAX]; 77bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("ro.debuggable", value, ""); 78bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (strcmp(value, "1") == 0) { 79bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return; 80bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 81bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 82bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int i; 83bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert for (i = 0; prctl(PR_CAPBSET_READ, i, 0, 0, 0) >= 0; i++) { 84bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (i == CAP_SETUID || i == CAP_SETGID) { 85bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // CAP_SETUID CAP_SETGID needed by /system/bin/run-as 86bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert continue; 87bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 88bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int err = prctl(PR_CAPBSET_DROP, i, 0, 0, 0); 89bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 90bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // Some kernels don't have file capabilities compiled in, and 91bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // prctl(PR_CAPBSET_DROP) returns EINVAL. Don't automatically 92bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // die when we see such misconfigured kernels. 93bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if ((err < 0) && (errno != EINVAL)) { 94bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 95bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 96bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 97bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 98bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 99bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertstatic bool should_drop_privileges() { 100bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if defined(ALLOW_ADBD_ROOT) 101bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char value[PROPERTY_VALUE_MAX]; 102bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 103bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // The emulator is never secure, so don't drop privileges there. 104bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // TODO: this seems like a bug --- shouldn't the emulator behave like a device? 105bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("ro.kernel.qemu", value, ""); 106bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (strcmp(value, "1") == 0) { 107bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return false; 108bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 109bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 110bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("ro.secure", value, "1"); 111bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert bool ro_secure = (strcmp(value, "1") == 0); 112bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 113bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // Drop privileges if ro.secure is set... 114bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert bool drop = ro_secure; 115bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 116bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("ro.debuggable", value, ""); 117bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert bool ro_debuggable = (strcmp(value, "1") == 0); 118bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("service.adb.root", value, ""); 119bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert bool adb_root = (strcmp(value, "1") == 0); 120bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert bool adb_unroot = (strcmp(value, "0") == 0); 121bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 122bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // ...except "adb root" lets you keep privileges in a debuggable build. 123bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (ro_debuggable && adb_root) { 124bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert drop = false; 125bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 126bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 127bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // ...and "adb unroot" lets you explicitly drop privileges. 128bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (adb_unroot) { 129bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert drop = true; 130bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 131bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 132bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return drop; 133bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 134bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return true; // "adb root" not allowed, always drop privileges. 135bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif /* ALLOW_ADBD_ROOT */ 136bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 137bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 138bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertvoid start_device_log(void) 139bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 140bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int fd; 141bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char path[PATH_MAX]; 142bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert struct tm now; 143bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert time_t t; 144bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char value[PROPERTY_VALUE_MAX]; 145bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 146bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // read the trace mask from persistent property persist.adb.trace_mask 147bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // give up if the property is not set or cannot be parsed 148bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("persist.adb.trace_mask", value, ""); 149bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (sscanf(value, "%x", &adb_trace_mask) != 1) 150bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return; 151bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 152bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_mkdir("/data/adb", 0775); 153bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert tzset(); 154bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert time(&t); 155bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert localtime_r(&t, &now); 156bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert strftime(path, sizeof(path), 157bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert "/data/adb/adb-%Y-%m-%d-%H-%M-%S.txt", 158bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert &now); 159bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fd = unix_open(path, O_WRONLY | O_CREAT | O_TRUNC, 0640); 160bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (fd < 0) 161bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return; 162bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 163bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // redirect stdout and stderr to the log file 164bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert dup2(fd, 1); 165bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert dup2(fd, 2); 166bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); 167bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_close(fd); 168bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 169bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fd = unix_open("/dev/null", O_RDONLY); 170bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert dup2(fd, 0); 171bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_close(fd); 172bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 173bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif /* ADB_HOST */ 174bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 175bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert/* Constructs a local name of form tcp:port. 176bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * target_str points to the target string, it's content will be overwritten. 177bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * target_size is the capacity of the target string. 178bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * server_port is the port number to use for the local name. 179bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert */ 180bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertvoid build_local_name(char* target_str, size_t target_size, int server_port) 181bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 182bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert snprintf(target_str, target_size, "tcp:%d", server_port); 183bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 184bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 185bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertvoid start_logging(void) 186bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 187bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if defined(_WIN32) 188bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char temp[ MAX_PATH ]; 189bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert FILE* fnul; 190bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert FILE* flog; 191bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 192bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert GetTempPath( sizeof(temp) - 8, temp ); 193bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert strcat( temp, "adb.log" ); 194bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 195bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert /* Win32 specific redirections */ 196bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fnul = fopen( "NUL", "rt" ); 197bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (fnul != NULL) 198bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert stdin[0] = fnul[0]; 199bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 200bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert flog = fopen( temp, "at" ); 201bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (flog == NULL) 202bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert flog = fnul; 203bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 204bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert setvbuf( flog, NULL, _IONBF, 0 ); 205bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 206bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert stdout[0] = flog[0]; 207bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert stderr[0] = flog[0]; 208bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); 209bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 210bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int fd; 211bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 212bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fd = unix_open("/dev/null", O_RDONLY); 213bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert dup2(fd, 0); 214bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_close(fd); 215bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 216bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fd = unix_open("/tmp/adb.log", O_WRONLY | O_CREAT | O_APPEND, 0640); 217bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if(fd < 0) { 218bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fd = unix_open("/dev/null", O_WRONLY); 219bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 220bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert dup2(fd, 1); 221bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert dup2(fd, 2); 222bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_close(fd); 223bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); 224bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 225bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 226bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 227bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertint adb_main(int is_daemon, int server_port) 228bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 229bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if !ADB_HOST 230bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int port; 231bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char value[PROPERTY_VALUE_MAX]; 232bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 233bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert umask(000); 234bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 235bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 236bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert atexit(adb_cleanup); 237bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if defined(_WIN32) 238bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert SetConsoleCtrlHandler( ctrlc_handler, TRUE ); 239bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 240bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // No SIGCHLD. Let the service subproc handle its children. 241bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert signal(SIGPIPE, SIG_IGN); 242bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 243bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 244bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert init_transport_registration(); 245bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 246bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if ADB_HOST 247bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert HOST = 1; 248bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 249bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#ifdef WORKAROUND_BUG6558362 250bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if(is_daemon) adb_set_affinity(); 251bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 252bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert usb_init(); 253bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT); 254bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_auth_init(); 255bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 256bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char local_name[30]; 257bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert build_local_name(local_name, sizeof(local_name), server_port); 258bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if(install_listener(local_name, "*smartsocket*", NULL, 0)) { 259bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 260bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 261bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 262bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("ro.adb.secure", value, "0"); 263bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert auth_enabled = !strcmp(value, "1"); 264bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (auth_enabled) 265bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_auth_init(); 266bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 267bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // Our external storage path may be different than apps, since 268bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // we aren't able to bind mount after dropping root. 269bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert const char* adb_external_storage = getenv("ADB_EXTERNAL_STORAGE"); 270bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (NULL != adb_external_storage) { 271bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert setenv("EXTERNAL_STORAGE", adb_external_storage, 1); 272bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } else { 273bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("Warning: ADB_EXTERNAL_STORAGE is not set. Leaving EXTERNAL_STORAGE" 274bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert " unchanged.\n"); 275bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 276bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 277bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert /* add extra groups: 278bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_ADB to access the USB driver 279bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_LOG to read system logs (adb logcat) 280bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_INPUT to diagnose input issues (getevent) 281bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_INET to diagnose network issues (ping) 282bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_NET_BT and AID_NET_BT_ADMIN to diagnose bluetooth (hcidump) 283bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_SDCARD_R to allow reading from the SD card 284bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_SDCARD_RW to allow writing to the SD card 285bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_NET_BW_STATS to read out qtaguid statistics 286bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert */ 287bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert gid_t groups[] = { AID_ADB, AID_LOG, AID_INPUT, AID_INET, AID_NET_BT, 288bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert AID_NET_BT_ADMIN, AID_SDCARD_R, AID_SDCARD_RW, 289bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert AID_NET_BW_STATS }; 290bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) { 291bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 292bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 293bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 294bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert /* don't listen on a port (default 5037) if running in secure mode */ 295bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert /* don't run as root if we are running in secure mode */ 296bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (should_drop_privileges()) { 297bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert drop_capabilities_bounding_set_if_needed(); 298bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 299bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert /* then switch user and group to "shell" */ 300bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (setgid(AID_SHELL) != 0) { 301bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 302bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 303bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (setuid(AID_SHELL) != 0) { 304bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 305bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 306bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 307bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("Local port disabled\n"); 308bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } else { 309bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char local_name[30]; 310bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if ((root_seclabel != NULL) && (is_selinux_enabled() > 0)) { 311bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // b/12587913: fix setcon to allow const pointers 312bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (setcon((char *)root_seclabel) < 0) { 313bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 314bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 315bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 316bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert build_local_name(local_name, sizeof(local_name), server_port); 317bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if(install_listener(local_name, "*smartsocket*", NULL, 0)) { 318bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 319bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 320bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 321bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 322bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int usb = 0; 323bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (access(USB_ADB_PATH, F_OK) == 0 || access(USB_FFS_ADB_EP0, F_OK) == 0) { 324bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // listen on USB 325bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert usb_init(); 326bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert usb = 1; 327bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 328bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 329bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // If one of these properties is set, also listen on that port 330bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // If one of the properties isn't set and we couldn't listen on usb, 331bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // listen on the default port. 332bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("service.adb.tcp.port", value, ""); 333bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (!value[0]) { 334bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("persist.adb.tcp.port", value, ""); 335bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 336bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (sscanf(value, "%d", &port) == 1 && port > 0) { 337bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert printf("using port=%d\n", port); 338bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // listen on TCP port specified by service.adb.tcp.port property 339bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert local_init(port); 340bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } else if (!usb) { 341bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // listen on default port 342bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT); 343bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 344bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 345bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("adb_main(): pre init_jdwp()\n"); 346bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert init_jdwp(); 347bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("adb_main(): post init_jdwp()\n"); 348bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 349bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 350bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (is_daemon) 351bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert { 352bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // inform our parent that we are up and running. 353bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if defined(_WIN32) 354bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert DWORD count; 355bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert WriteFile( GetStdHandle( STD_OUTPUT_HANDLE ), "OK\n", 3, &count, NULL ); 356bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 357bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fprintf(stderr, "OK\n"); 358bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 359bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert start_logging(); 360bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 361bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("Event loop starting\n"); 362bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 363bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fdevent_loop(); 364bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 365bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert usb_cleanup(); 366bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 367bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return 0; 368bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 369bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 370bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertint main(int argc, char **argv) 371bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 372bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if ADB_HOST 373bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_sysdeps_init(); 374bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_trace_init(); 375bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("Handling commandline()\n"); 376bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return adb_commandline(argc - 1, argv + 1); 377bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 378bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert /* If adbd runs inside the emulator this will enable adb tracing via 379bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert * adb-debug qemud service in the emulator. */ 380bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_qemu_trace_init(); 381bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert while(1) { 382bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int c; 383bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int option_index = 0; 384bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert static struct option opts[] = { 385bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert {"root_seclabel", required_argument, 0, 's' }, 386bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert {"device_banner", required_argument, 0, 'b' } 387bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert }; 388bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert c = getopt_long(argc, argv, "", opts, &option_index); 389bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (c == -1) 390bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert break; 391bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert switch (c) { 392bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert case 's': 393bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert root_seclabel = optarg; 394bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert break; 395bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert case 'b': 396bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_device_banner = optarg; 397bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert break; 398bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert default: 399bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert break; 400bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 401bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 402bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 403bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert start_device_log(); 404bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("Handling main()\n"); 405bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return adb_main(0, DEFAULT_ADB_PORT); 406bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 407bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 408