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 173313426fad9eaaf53017cdbde889ebcec91358ecDan Albert#define TRACE_TAG TRACE_ADB 183313426fad9eaaf53017cdbde889ebcec91358ecDan Albert 193313426fad9eaaf53017cdbde889ebcec91358ecDan Albert#include "sysdeps.h" 20bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 21bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include <errno.h> 22bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include <signal.h> 23bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include <stdio.h> 24bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include <stdlib.h> 25bd0b750897bebaa10e16507fdd08dbc746cd228dDan 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 31e1a55004e9fa46055c59f86e952e9e457c36c3f2Elliott Hughes#include <base/stringprintf.h> 32e1a55004e9fa46055c59f86e952e9e457c36c3f2Elliott Hughes 33bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if !ADB_HOST 34bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include <getopt.h> 356795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albert#include <sys/prctl.h> 36bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 37bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "cutils/properties.h" 38bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "private/android_filesystem_config.h" 39bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "selinux/selinux.h" 40bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 41bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include "qemu_tracing.h" 42bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 43bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 44bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertstatic void adb_cleanup(void) 45bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 46bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert usb_cleanup(); 47bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 48bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 496795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albert#if defined(_WIN32) 506795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albertstatic BOOL WINAPI ctrlc_handler(DWORD type) 516795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albert{ 526795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albert exit(STATUS_CONTROL_C_EXIT); 536795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albert return TRUE; 546795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albert} 556795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albert#endif 566795cd8db5ffab674f2a477d8b7b8cc0e3ab406eDan Albert 57bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if ADB_HOST 58bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#ifdef WORKAROUND_BUG6558362 59bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#include <sched.h> 60bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#define AFFINITY_ENVVAR "ADB_CPU_AFFINITY_BUG6558362" 61bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertvoid adb_set_affinity(void) 62bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 63bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert cpu_set_t cpu_set; 64bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert const char* cpunum_str = getenv(AFFINITY_ENVVAR); 65bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char* strtol_res; 66bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int cpu_num; 67bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 68bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (!cpunum_str || !*cpunum_str) 69bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return; 70bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert cpu_num = strtol(cpunum_str, &strtol_res, 0); 71bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (*strtol_res != '\0') 72bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fatal("bad number (%s) in env var %s. Expecting 0..n.\n", cpunum_str, AFFINITY_ENVVAR); 73bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 74bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert sched_getaffinity(0, sizeof(cpu_set), &cpu_set); 75bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("orig cpu_set[0]=0x%08lx\n", cpu_set.__bits[0]); 76bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert CPU_ZERO(&cpu_set); 77bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert CPU_SET(cpu_num, &cpu_set); 78bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert sched_setaffinity(0, sizeof(cpu_set), &cpu_set); 79bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert sched_getaffinity(0, sizeof(cpu_set), &cpu_set); 80bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("new cpu_set[0]=0x%08lx\n", cpu_set.__bits[0]); 81bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 82bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 83bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else /* ADB_HOST */ 84bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertstatic const char *root_seclabel = NULL; 85bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 86bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertstatic void drop_capabilities_bounding_set_if_needed() { 87bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#ifdef ALLOW_ADBD_ROOT 88bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char value[PROPERTY_VALUE_MAX]; 89bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("ro.debuggable", value, ""); 90bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (strcmp(value, "1") == 0) { 91bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return; 92bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 93bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 94bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int i; 95bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert for (i = 0; prctl(PR_CAPBSET_READ, i, 0, 0, 0) >= 0; i++) { 96bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (i == CAP_SETUID || i == CAP_SETGID) { 97bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // CAP_SETUID CAP_SETGID needed by /system/bin/run-as 98bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert continue; 99bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 100bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int err = prctl(PR_CAPBSET_DROP, i, 0, 0, 0); 101bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 102bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // Some kernels don't have file capabilities compiled in, and 103bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // prctl(PR_CAPBSET_DROP) returns EINVAL. Don't automatically 104bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // die when we see such misconfigured kernels. 105bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if ((err < 0) && (errno != EINVAL)) { 106bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 107bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 108bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 109bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 110bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 111bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertstatic bool should_drop_privileges() { 112bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if defined(ALLOW_ADBD_ROOT) 113bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char value[PROPERTY_VALUE_MAX]; 114bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 115868402e5bfcc14305f216f34751d6c2e150aa849Dan Albert // The emulator is never secure, so don't drop privileges there. 116868402e5bfcc14305f216f34751d6c2e150aa849Dan Albert // TODO: this seems like a bug --- shouldn't the emulator behave like a device? 117868402e5bfcc14305f216f34751d6c2e150aa849Dan Albert property_get("ro.kernel.qemu", value, ""); 118868402e5bfcc14305f216f34751d6c2e150aa849Dan Albert if (strcmp(value, "1") == 0) { 119868402e5bfcc14305f216f34751d6c2e150aa849Dan Albert return false; 120868402e5bfcc14305f216f34751d6c2e150aa849Dan Albert } 121868402e5bfcc14305f216f34751d6c2e150aa849Dan Albert 12213f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // The properties that affect `adb root` and `adb unroot` are ro.secure and 12313f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // ro.debuggable. In this context the names don't make the expected behavior 12413f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // particularly obvious. 12513f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // 12613f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // ro.debuggable: 12713f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // Allowed to become root, but not necessarily the default. Set to 1 on 12813f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // eng and userdebug builds. 12913f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // 13013f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // ro.secure: 13113f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert // Drop privileges by default. Set to 1 on userdebug and user builds. 132bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("ro.secure", value, "1"); 133bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert bool ro_secure = (strcmp(value, "1") == 0); 134bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 13513f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert property_get("ro.debuggable", value, ""); 13613f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert bool ro_debuggable = (strcmp(value, "1") == 0); 13713f9c406d7ae58bb3f5c3ac0b0e50f8760c5cf46Dan Albert 138bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // Drop privileges if ro.secure is set... 139bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert bool drop = ro_secure; 140bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 141bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("service.adb.root", value, ""); 142bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert bool adb_root = (strcmp(value, "1") == 0); 143bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert bool adb_unroot = (strcmp(value, "0") == 0); 144bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 145bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // ...except "adb root" lets you keep privileges in a debuggable build. 146bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (ro_debuggable && adb_root) { 147bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert drop = false; 148bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 149bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 150bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // ...and "adb unroot" lets you explicitly drop privileges. 151bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (adb_unroot) { 152bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert drop = true; 153bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 154bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 155bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return drop; 156bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 157bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return true; // "adb root" not allowed, always drop privileges. 158bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif /* ALLOW_ADBD_ROOT */ 159bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 160bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif /* ADB_HOST */ 161bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 162bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertvoid start_logging(void) 163bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 164bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if defined(_WIN32) 165bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char temp[ MAX_PATH ]; 166bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert FILE* fnul; 167bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert FILE* flog; 168bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 169bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert GetTempPath( sizeof(temp) - 8, temp ); 170bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert strcat( temp, "adb.log" ); 171bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 172bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert /* Win32 specific redirections */ 173bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fnul = fopen( "NUL", "rt" ); 174bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (fnul != NULL) 175bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert stdin[0] = fnul[0]; 176bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 177bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert flog = fopen( temp, "at" ); 178bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (flog == NULL) 179bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert flog = fnul; 180bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 181bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert setvbuf( flog, NULL, _IONBF, 0 ); 182bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 183bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert stdout[0] = flog[0]; 184bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert stderr[0] = flog[0]; 185bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); 186bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 187bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int fd; 188bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 189bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fd = unix_open("/dev/null", O_RDONLY); 190bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert dup2(fd, 0); 191bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_close(fd); 192bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 193bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fd = unix_open("/tmp/adb.log", O_WRONLY | O_CREAT | O_APPEND, 0640); 194bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if(fd < 0) { 195bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fd = unix_open("/dev/null", O_WRONLY); 196bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 197bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert dup2(fd, 1); 198bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert dup2(fd, 2); 199bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_close(fd); 200bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); 201bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 202bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 203bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 204bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albertint adb_main(int is_daemon, int server_port) 205bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert{ 206bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if !ADB_HOST 207bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int port; 208bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert char value[PROPERTY_VALUE_MAX]; 209bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 210bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert umask(000); 211bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 212bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 213bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert atexit(adb_cleanup); 214bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if defined(_WIN32) 215bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert SetConsoleCtrlHandler( ctrlc_handler, TRUE ); 216bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 217bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // No SIGCHLD. Let the service subproc handle its children. 218bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert signal(SIGPIPE, SIG_IGN); 219bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 220bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 221bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert init_transport_registration(); 222bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 223bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if ADB_HOST 224bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert HOST = 1; 225bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 226bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#ifdef WORKAROUND_BUG6558362 227bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if(is_daemon) adb_set_affinity(); 228bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 229bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert usb_init(); 230bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT); 231bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_auth_init(); 232bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 233e1a55004e9fa46055c59f86e952e9e457c36c3f2Elliott Hughes std::string local_name = android::base::StringPrintf("tcp:%d", server_port); 234e1a55004e9fa46055c59f86e952e9e457c36c3f2Elliott Hughes if (install_listener(local_name, "*smartsocket*", NULL, 0)) { 235bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 236bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 237bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 23864d9adcea807aa1d31574b5b3bb5aad4b9025134Pavel Labath // We need to call this even if auth isn't enabled because the file 23964d9adcea807aa1d31574b5b3bb5aad4b9025134Pavel Labath // descriptor will always be open. 24064d9adcea807aa1d31574b5b3bb5aad4b9025134Pavel Labath adbd_cloexec_auth_socket(); 24164d9adcea807aa1d31574b5b3bb5aad4b9025134Pavel Labath 2421cddc2092f544c5eac339e59746436facfdd5dc7Elliott Hughes if (ALLOW_ADBD_NO_AUTH && property_get_bool("ro.adb.secure", 0) == 0) { 2431cddc2092f544c5eac339e59746436facfdd5dc7Elliott Hughes auth_required = false; 2441cddc2092f544c5eac339e59746436facfdd5dc7Elliott Hughes } 2451cddc2092f544c5eac339e59746436facfdd5dc7Elliott Hughes 2461cddc2092f544c5eac339e59746436facfdd5dc7Elliott Hughes adbd_auth_init(); 247bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 248bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // Our external storage path may be different than apps, since 249bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // we aren't able to bind mount after dropping root. 250bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert const char* adb_external_storage = getenv("ADB_EXTERNAL_STORAGE"); 251bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (NULL != adb_external_storage) { 252bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert setenv("EXTERNAL_STORAGE", adb_external_storage, 1); 253bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } else { 254bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("Warning: ADB_EXTERNAL_STORAGE is not set. Leaving EXTERNAL_STORAGE" 255bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert " unchanged.\n"); 256bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 257bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 258bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert /* add extra groups: 259bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_ADB to access the USB driver 260bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_LOG to read system logs (adb logcat) 261bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_INPUT to diagnose input issues (getevent) 262bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_INET to diagnose network issues (ping) 263bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_NET_BT and AID_NET_BT_ADMIN to diagnose bluetooth (hcidump) 264bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_SDCARD_R to allow reading from the SD card 265bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_SDCARD_RW to allow writing to the SD card 266bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert ** AID_NET_BW_STATS to read out qtaguid statistics 267bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert */ 268bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert gid_t groups[] = { AID_ADB, AID_LOG, AID_INPUT, AID_INET, AID_NET_BT, 269bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert AID_NET_BT_ADMIN, AID_SDCARD_R, AID_SDCARD_RW, 270bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert AID_NET_BW_STATS }; 271bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) { 272bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 273bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 274bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 275bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert /* don't listen on a port (default 5037) if running in secure mode */ 276bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert /* don't run as root if we are running in secure mode */ 277bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (should_drop_privileges()) { 278bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert drop_capabilities_bounding_set_if_needed(); 279bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 280bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert /* then switch user and group to "shell" */ 281bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (setgid(AID_SHELL) != 0) { 282bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 283bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 284bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (setuid(AID_SHELL) != 0) { 285bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 286bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 287bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 288bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("Local port disabled\n"); 289bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } else { 290bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if ((root_seclabel != NULL) && (is_selinux_enabled() > 0)) { 291bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // b/12587913: fix setcon to allow const pointers 292bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (setcon((char *)root_seclabel) < 0) { 293bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 294bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 295bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 296e1a55004e9fa46055c59f86e952e9e457c36c3f2Elliott Hughes std::string local_name = android::base::StringPrintf("tcp:%d", server_port); 297e1a55004e9fa46055c59f86e952e9e457c36c3f2Elliott Hughes if (install_listener(local_name, "*smartsocket*", NULL, 0)) { 298bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert exit(1); 299bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 300bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 301bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 302bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert int usb = 0; 303bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (access(USB_ADB_PATH, F_OK) == 0 || access(USB_FFS_ADB_EP0, F_OK) == 0) { 304bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // listen on USB 305bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert usb_init(); 306bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert usb = 1; 307bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 308bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 309bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // If one of these properties is set, also listen on that port 310bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // If one of the properties isn't set and we couldn't listen on usb, 311bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // listen on the default port. 312bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("service.adb.tcp.port", value, ""); 313bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (!value[0]) { 314bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert property_get("persist.adb.tcp.port", value, ""); 315bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 316bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (sscanf(value, "%d", &port) == 1 && port > 0) { 317bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert printf("using port=%d\n", port); 318bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // listen on TCP port specified by service.adb.tcp.port property 319bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert local_init(port); 320bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } else if (!usb) { 321bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // listen on default port 322bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT); 323bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 324bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 325bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("adb_main(): pre init_jdwp()\n"); 326bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert init_jdwp(); 327bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("adb_main(): post init_jdwp()\n"); 328bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 329bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 330bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (is_daemon) 331bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert { 332bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert // inform our parent that we are up and running. 333bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if defined(_WIN32) 334bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert DWORD count; 335bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert WriteFile( GetStdHandle( STD_OUTPUT_HANDLE ), "OK\n", 3, &count, NULL ); 336bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 337bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fprintf(stderr, "OK\n"); 338bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 339bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert start_logging(); 340bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 341bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("Event loop starting\n"); 342bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 343bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert fdevent_loop(); 344bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 345bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert usb_cleanup(); 346bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 347bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return 0; 348bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 349bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 3508743ef98414b336f222327253f2cde6bf6aee386Dan Albert#if !ADB_HOST 3518743ef98414b336f222327253f2cde6bf6aee386Dan Albertvoid close_stdin() { 3528743ef98414b336f222327253f2cde6bf6aee386Dan Albert int fd = unix_open("/dev/null", O_RDONLY); 3538743ef98414b336f222327253f2cde6bf6aee386Dan Albert if (fd == -1) { 3548743ef98414b336f222327253f2cde6bf6aee386Dan Albert perror("failed to open /dev/null, stdin will remain open"); 3558743ef98414b336f222327253f2cde6bf6aee386Dan Albert return; 3568743ef98414b336f222327253f2cde6bf6aee386Dan Albert } 3578743ef98414b336f222327253f2cde6bf6aee386Dan Albert dup2(fd, 0); 3588743ef98414b336f222327253f2cde6bf6aee386Dan Albert adb_close(fd); 3598743ef98414b336f222327253f2cde6bf6aee386Dan Albert} 3608743ef98414b336f222327253f2cde6bf6aee386Dan Albert#endif 3618743ef98414b336f222327253f2cde6bf6aee386Dan Albert 362c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert// TODO(danalbert): Split this file up into adb_main.cpp and adbd_main.cpp. 363ea2175ab6bae74409620374a96fc9a0097a1845cDan Albertint main(int argc, char **argv) { 364bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#if ADB_HOST 365c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert // adb client/server 366bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_sysdeps_init(); 367bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_trace_init(); 368bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("Handling commandline()\n"); 369bac3474a8256cb32a29e8d46f78cad95a5502692Dan Albert return adb_commandline(argc - 1, const_cast<const char**>(argv + 1)); 370bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#else 371c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert // adbd 372a7090b94c181f3efe5b53d2c8367b78d99074dfeElliott Hughes while (true) { 373bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert static struct option opts[] = { 374c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert {"root_seclabel", required_argument, nullptr, 's'}, 375c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert {"device_banner", required_argument, nullptr, 'b'}, 376c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert {"version", no_argument, nullptr, 'v'}, 377bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert }; 378c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert 379c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert int option_index = 0; 380c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert int c = getopt_long(argc, argv, "", opts, &option_index); 381bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert if (c == -1) 382bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert break; 383bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert switch (c) { 384bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert case 's': 385bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert root_seclabel = optarg; 386bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert break; 387bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert case 'b': 388bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert adb_device_banner = optarg; 389bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert break; 390c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert case 'v': 391c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert printf("Android Debug Bridge Daemon version %d.%d.%d %s\n", 392c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert ADB_VERSION_MAJOR, ADB_VERSION_MINOR, ADB_SERVER_VERSION, 393c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert ADB_REVISION); 394c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert return 0; 395bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert default: 396bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert break; 397bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 398bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert } 399bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert 400c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert close_stdin(); 401c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert 402c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert adb_trace_init(); 403c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert 404c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert /* If adbd runs inside the emulator this will enable adb tracing via 405c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert * adb-debug qemud service in the emulator. */ 406c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert adb_qemu_trace_init(); 407c1cfbd304ad1f4f5f136a175ed687de41701235aDan Albert 408bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert D("Handling main()\n"); 409bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert return adb_main(0, DEFAULT_ADB_PORT); 410bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert#endif 411bd0b750897bebaa10e16507fdd08dbc746cd228dDan Albert} 412