The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Dan Albert | 3313426 | 2015-03-19 15:21:08 -0700 | [diff] [blame] | 17 | #define TRACE_TAG TRACE_SERVICES |
| 18 | |
| 19 | #include "sysdeps.h" |
| 20 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 21 | #include <errno.h> |
Dan Albert | 7664901 | 2015-02-24 15:51:19 -0800 | [diff] [blame] | 22 | #include <stddef.h> |
| 23 | #include <stdio.h> |
| 24 | #include <stdlib.h> |
| 25 | #include <string.h> |
| 26 | |
Dan Albert | 569a130 | 2015-05-15 12:56:23 -0700 | [diff] [blame] | 27 | #if !ADB_HOST |
| 28 | #include <pty.h> |
| 29 | #include <termios.h> |
| 30 | #endif |
| 31 | |
Dan Albert | 7664901 | 2015-02-24 15:51:19 -0800 | [diff] [blame] | 32 | #ifndef _WIN32 |
| 33 | #include <netdb.h> |
| 34 | #include <netinet/in.h> |
| 35 | #include <sys/ioctl.h> |
| 36 | #include <unistd.h> |
| 37 | #endif |
| 38 | |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 39 | #include <base/file.h> |
Elliott Hughes | 6c34bba | 2015-04-17 20:11:08 -0700 | [diff] [blame] | 40 | #include <base/stringprintf.h> |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 41 | #include <base/strings.h> |
Elliott Hughes | 381cfa9 | 2015-07-23 17:12:58 -0700 | [diff] [blame] | 42 | #include <cutils/sockets.h> |
Elliott Hughes | 6c34bba | 2015-04-17 20:11:08 -0700 | [diff] [blame] | 43 | |
Dan Albert | 7664901 | 2015-02-24 15:51:19 -0800 | [diff] [blame] | 44 | #if !ADB_HOST |
| 45 | #include "cutils/android_reboot.h" |
| 46 | #include "cutils/properties.h" |
| 47 | #endif |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 48 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 49 | #include "adb.h" |
Dan Albert | cc731cc | 2015-02-24 21:26:58 -0800 | [diff] [blame] | 50 | #include "adb_io.h" |
Elliott Hughes | 3d5f60d | 2015-07-18 12:21:30 -0700 | [diff] [blame] | 51 | #include "adb_utils.h" |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 52 | #include "file_sync_service.h" |
Elliott Hughes | ec7a667 | 2015-03-16 21:58:32 +0000 | [diff] [blame] | 53 | #include "remount_service.h" |
Dan Albert | 7664901 | 2015-02-24 15:51:19 -0800 | [diff] [blame] | 54 | #include "transport.h" |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 55 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 56 | struct stinfo { |
| 57 | void (*func)(int fd, void *cookie); |
| 58 | int fd; |
| 59 | void *cookie; |
| 60 | }; |
| 61 | |
David Pursell | d4093f1 | 2015-08-10 12:52:16 -0700 | [diff] [blame] | 62 | enum class SubprocessType { |
| 63 | kPty, |
| 64 | kRaw, |
| 65 | }; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 66 | |
| 67 | void *service_bootstrap_func(void *x) |
| 68 | { |
Dan Albert | bac3474 | 2015-02-25 17:51:28 -0800 | [diff] [blame] | 69 | stinfo* sti = reinterpret_cast<stinfo*>(x); |
Siva Velusamy | 49ee7cf | 2015-08-28 16:37:29 -0700 | [diff] [blame] | 70 | adb_thread_setname(android::base::StringPrintf("service %d", sti->fd)); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 71 | sti->func(sti->fd, sti->cookie); |
| 72 | free(sti); |
| 73 | return 0; |
| 74 | } |
| 75 | |
Benoit Goby | 9470c2f | 2013-02-20 15:04:53 -0800 | [diff] [blame] | 76 | #if !ADB_HOST |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 77 | |
Elliott Hughes | ab52c18 | 2015-05-01 17:04:38 -0700 | [diff] [blame] | 78 | void restart_root_service(int fd, void *cookie) { |
The Android Open Source Project | e037fd7 | 2009-03-13 13:04:37 -0700 | [diff] [blame] | 79 | if (getuid() == 0) { |
Elliott Hughes | ab52c18 | 2015-05-01 17:04:38 -0700 | [diff] [blame] | 80 | WriteFdExactly(fd, "adbd is already running as root\n"); |
The Android Open Source Project | e037fd7 | 2009-03-13 13:04:37 -0700 | [diff] [blame] | 81 | adb_close(fd); |
| 82 | } else { |
Elliott Hughes | ab52c18 | 2015-05-01 17:04:38 -0700 | [diff] [blame] | 83 | char value[PROPERTY_VALUE_MAX]; |
The Android Open Source Project | e037fd7 | 2009-03-13 13:04:37 -0700 | [diff] [blame] | 84 | property_get("ro.debuggable", value, ""); |
| 85 | if (strcmp(value, "1") != 0) { |
Elliott Hughes | ab52c18 | 2015-05-01 17:04:38 -0700 | [diff] [blame] | 86 | WriteFdExactly(fd, "adbd cannot run as root in production builds\n"); |
Mike Lockwood | ff19670 | 2009-08-24 15:58:40 -0700 | [diff] [blame] | 87 | adb_close(fd); |
The Android Open Source Project | e037fd7 | 2009-03-13 13:04:37 -0700 | [diff] [blame] | 88 | return; |
| 89 | } |
| 90 | |
Benoit Goby | 7941cf8 | 2012-03-16 14:44:17 -0700 | [diff] [blame] | 91 | property_set("service.adb.root", "1"); |
Elliott Hughes | ab52c18 | 2015-05-01 17:04:38 -0700 | [diff] [blame] | 92 | WriteFdExactly(fd, "restarting adbd as root\n"); |
The Android Open Source Project | e037fd7 | 2009-03-13 13:04:37 -0700 | [diff] [blame] | 93 | adb_close(fd); |
The Android Open Source Project | e037fd7 | 2009-03-13 13:04:37 -0700 | [diff] [blame] | 94 | } |
| 95 | } |
| 96 | |
Elliott Hughes | ab52c18 | 2015-05-01 17:04:38 -0700 | [diff] [blame] | 97 | void restart_unroot_service(int fd, void *cookie) { |
Dan Pasanen | 9885881 | 2014-10-06 12:57:20 -0500 | [diff] [blame] | 98 | if (getuid() != 0) { |
Elliott Hughes | ab52c18 | 2015-05-01 17:04:38 -0700 | [diff] [blame] | 99 | WriteFdExactly(fd, "adbd not running as root\n"); |
Dan Pasanen | 9885881 | 2014-10-06 12:57:20 -0500 | [diff] [blame] | 100 | adb_close(fd); |
| 101 | } else { |
| 102 | property_set("service.adb.root", "0"); |
Elliott Hughes | ab52c18 | 2015-05-01 17:04:38 -0700 | [diff] [blame] | 103 | WriteFdExactly(fd, "restarting adbd as non root\n"); |
Dan Pasanen | 9885881 | 2014-10-06 12:57:20 -0500 | [diff] [blame] | 104 | adb_close(fd); |
| 105 | } |
| 106 | } |
| 107 | |
Elliott Hughes | ab52c18 | 2015-05-01 17:04:38 -0700 | [diff] [blame] | 108 | void restart_tcp_service(int fd, void *cookie) { |
Elliott Hughes | ccecf14 | 2014-01-16 10:53:11 -0800 | [diff] [blame] | 109 | int port = (int) (uintptr_t) cookie; |
Mike Lockwood | ff19670 | 2009-08-24 15:58:40 -0700 | [diff] [blame] | 110 | if (port <= 0) { |
Elliott Hughes | ab52c18 | 2015-05-01 17:04:38 -0700 | [diff] [blame] | 111 | WriteFdFmt(fd, "invalid port %d\n", port); |
Mike Lockwood | ff19670 | 2009-08-24 15:58:40 -0700 | [diff] [blame] | 112 | adb_close(fd); |
| 113 | return; |
| 114 | } |
| 115 | |
Elliott Hughes | ab52c18 | 2015-05-01 17:04:38 -0700 | [diff] [blame] | 116 | char value[PROPERTY_VALUE_MAX]; |
Mike Lockwood | ff19670 | 2009-08-24 15:58:40 -0700 | [diff] [blame] | 117 | snprintf(value, sizeof(value), "%d", port); |
| 118 | property_set("service.adb.tcp.port", value); |
Elliott Hughes | ab52c18 | 2015-05-01 17:04:38 -0700 | [diff] [blame] | 119 | WriteFdFmt(fd, "restarting in TCP mode port: %d\n", port); |
Mike Lockwood | ff19670 | 2009-08-24 15:58:40 -0700 | [diff] [blame] | 120 | adb_close(fd); |
Mike Lockwood | ff19670 | 2009-08-24 15:58:40 -0700 | [diff] [blame] | 121 | } |
| 122 | |
Elliott Hughes | ab52c18 | 2015-05-01 17:04:38 -0700 | [diff] [blame] | 123 | void restart_usb_service(int fd, void *cookie) { |
Mike Lockwood | ff19670 | 2009-08-24 15:58:40 -0700 | [diff] [blame] | 124 | property_set("service.adb.tcp.port", "0"); |
Elliott Hughes | ab52c18 | 2015-05-01 17:04:38 -0700 | [diff] [blame] | 125 | WriteFdExactly(fd, "restarting in USB mode\n"); |
Mike Lockwood | ff19670 | 2009-08-24 15:58:40 -0700 | [diff] [blame] | 126 | adb_close(fd); |
Mike Lockwood | ff19670 | 2009-08-24 15:58:40 -0700 | [diff] [blame] | 127 | } |
| 128 | |
Tao Bao | 175b7bb | 2015-03-29 11:22:34 -0700 | [diff] [blame] | 129 | static bool reboot_service_impl(int fd, const char* arg) { |
| 130 | const char* reboot_arg = arg; |
| 131 | bool auto_reboot = false; |
| 132 | |
| 133 | if (strcmp(reboot_arg, "sideload-auto-reboot") == 0) { |
| 134 | auto_reboot = true; |
| 135 | reboot_arg = "sideload"; |
| 136 | } |
| 137 | |
Tao Bao | 175b7bb | 2015-03-29 11:22:34 -0700 | [diff] [blame] | 138 | // It reboots into sideload mode by setting "--sideload" or "--sideload_auto_reboot" |
| 139 | // in the command file. |
| 140 | if (strcmp(reboot_arg, "sideload") == 0) { |
| 141 | if (getuid() != 0) { |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 142 | WriteFdExactly(fd, "'adb root' is required for 'adb reboot sideload'.\n"); |
Tao Bao | 175b7bb | 2015-03-29 11:22:34 -0700 | [diff] [blame] | 143 | return false; |
| 144 | } |
| 145 | |
| 146 | const char* const recovery_dir = "/cache/recovery"; |
| 147 | const char* const command_file = "/cache/recovery/command"; |
| 148 | // Ensure /cache/recovery exists. |
| 149 | if (adb_mkdir(recovery_dir, 0770) == -1 && errno != EEXIST) { |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 150 | D("Failed to create directory '%s': %s", recovery_dir, strerror(errno)); |
Tao Bao | 175b7bb | 2015-03-29 11:22:34 -0700 | [diff] [blame] | 151 | return false; |
| 152 | } |
| 153 | |
| 154 | bool write_status = android::base::WriteStringToFile( |
| 155 | auto_reboot ? "--sideload_auto_reboot" : "--sideload", command_file); |
| 156 | if (!write_status) { |
| 157 | return false; |
| 158 | } |
| 159 | |
| 160 | reboot_arg = "recovery"; |
| 161 | } |
Mike Lockwood | ee15662 | 2009-08-04 20:37:51 -0400 | [diff] [blame] | 162 | |
| 163 | sync(); |
Mike Lockwood | d969faa | 2010-02-24 16:07:23 -0500 | [diff] [blame] | 164 | |
Tao Bao | 175b7bb | 2015-03-29 11:22:34 -0700 | [diff] [blame] | 165 | char property_val[PROPERTY_VALUE_MAX]; |
| 166 | int ret = snprintf(property_val, sizeof(property_val), "reboot,%s", reboot_arg); |
| 167 | if (ret >= static_cast<int>(sizeof(property_val))) { |
Elliott Hughes | ab52c18 | 2015-05-01 17:04:38 -0700 | [diff] [blame] | 168 | WriteFdFmt(fd, "reboot string too long: %d\n", ret); |
Tao Bao | 175b7bb | 2015-03-29 11:22:34 -0700 | [diff] [blame] | 169 | return false; |
Nick Kralevich | ca8e66a | 2013-04-18 12:20:02 -0700 | [diff] [blame] | 170 | } |
| 171 | |
| 172 | ret = property_set(ANDROID_RB_PROPERTY, property_val); |
Mike Lockwood | ee15662 | 2009-08-04 20:37:51 -0400 | [diff] [blame] | 173 | if (ret < 0) { |
Elliott Hughes | ab52c18 | 2015-05-01 17:04:38 -0700 | [diff] [blame] | 174 | WriteFdFmt(fd, "reboot failed: %d\n", ret); |
Tao Bao | 175b7bb | 2015-03-29 11:22:34 -0700 | [diff] [blame] | 175 | return false; |
Mike Lockwood | ee15662 | 2009-08-04 20:37:51 -0400 | [diff] [blame] | 176 | } |
Tao Bao | 175b7bb | 2015-03-29 11:22:34 -0700 | [diff] [blame] | 177 | |
| 178 | return true; |
| 179 | } |
| 180 | |
| 181 | void reboot_service(int fd, void* arg) |
| 182 | { |
| 183 | if (reboot_service_impl(fd, static_cast<const char*>(arg))) { |
| 184 | // Don't return early. Give the reboot command time to take effect |
| 185 | // to avoid messing up scripts which do "adb reboot && adb wait-for-device" |
Elliott Hughes | a7090b9 | 2015-04-17 17:03:59 -0700 | [diff] [blame] | 186 | while (true) { |
Tao Bao | 175b7bb | 2015-03-29 11:22:34 -0700 | [diff] [blame] | 187 | pause(); |
| 188 | } |
| 189 | } |
| 190 | |
Mike Lockwood | b6b4007 | 2009-09-19 16:52:58 -0400 | [diff] [blame] | 191 | free(arg); |
Mike Lockwood | ee15662 | 2009-08-04 20:37:51 -0400 | [diff] [blame] | 192 | adb_close(fd); |
| 193 | } |
| 194 | |
David 'Digit' Turner | 2525869 | 2013-03-21 21:07:42 +0100 | [diff] [blame] | 195 | void reverse_service(int fd, void* arg) |
| 196 | { |
Dan Albert | bac3474 | 2015-02-25 17:51:28 -0800 | [diff] [blame] | 197 | const char* command = reinterpret_cast<const char*>(arg); |
David 'Digit' Turner | 2525869 | 2013-03-21 21:07:42 +0100 | [diff] [blame] | 198 | |
| 199 | if (handle_forward_request(command, kTransportAny, NULL, fd) < 0) { |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 200 | SendFail(fd, "not a reverse forwarding command"); |
David 'Digit' Turner | 2525869 | 2013-03-21 21:07:42 +0100 | [diff] [blame] | 201 | } |
| 202 | free(arg); |
| 203 | adb_close(fd); |
| 204 | } |
| 205 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 206 | #endif |
| 207 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 208 | static int create_service_thread(void (*func)(int, void *), void *cookie) |
| 209 | { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 210 | int s[2]; |
Dan Albert | bac3474 | 2015-02-25 17:51:28 -0800 | [diff] [blame] | 211 | if (adb_socketpair(s)) { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 212 | printf("cannot create service socket pair\n"); |
| 213 | return -1; |
| 214 | } |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 215 | D("socketpair: (%d,%d)", s[0], s[1]); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 216 | |
Dan Albert | bac3474 | 2015-02-25 17:51:28 -0800 | [diff] [blame] | 217 | stinfo* sti = reinterpret_cast<stinfo*>(malloc(sizeof(stinfo))); |
| 218 | if (sti == nullptr) { |
| 219 | fatal("cannot allocate stinfo"); |
| 220 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 221 | sti->func = func; |
| 222 | sti->cookie = cookie; |
| 223 | sti->fd = s[1]; |
| 224 | |
Elliott Hughes | 9b0f354 | 2015-05-05 13:41:21 -0700 | [diff] [blame] | 225 | if (!adb_thread_create(service_bootstrap_func, sti)) { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 226 | free(sti); |
| 227 | adb_close(s[0]); |
| 228 | adb_close(s[1]); |
| 229 | printf("cannot create service thread\n"); |
| 230 | return -1; |
| 231 | } |
| 232 | |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 233 | D("service thread started, %d:%d",s[0], s[1]); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 234 | return s[0]; |
| 235 | } |
| 236 | |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 237 | #if !ADB_HOST |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 238 | |
| 239 | static void init_subproc_child() |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 240 | { |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 241 | setsid(); |
| 242 | |
Rom Lemarchand | 07ce7ca | 2014-06-20 16:30:54 -0700 | [diff] [blame] | 243 | // Set OOM score adjustment to prevent killing |
Nick Kralevich | fe8d7f4 | 2014-07-18 20:57:35 -0700 | [diff] [blame] | 244 | int fd = adb_open("/proc/self/oom_score_adj", O_WRONLY | O_CLOEXEC); |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 245 | if (fd >= 0) { |
| 246 | adb_write(fd, "0", 1); |
| 247 | adb_close(fd); |
| 248 | } else { |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 249 | D("adb: unable to update oom_score_adj"); |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 250 | } |
| 251 | } |
| 252 | |
Dan Albert | 569a130 | 2015-05-15 12:56:23 -0700 | [diff] [blame] | 253 | #if !ADB_HOST |
| 254 | static int create_subproc_pty(const char* cmd, const char* arg0, |
| 255 | const char* arg1, pid_t* pid) { |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 256 | D("create_subproc_pty(cmd=%s, arg0=%s, arg1=%s)", cmd, arg0, arg1); |
Dan Albert | 569a130 | 2015-05-15 12:56:23 -0700 | [diff] [blame] | 257 | char pts_name[PATH_MAX]; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 258 | int ptm; |
Dan Albert | 569a130 | 2015-05-15 12:56:23 -0700 | [diff] [blame] | 259 | *pid = forkpty(&ptm, pts_name, nullptr, nullptr); |
| 260 | if (*pid == -1) { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 261 | printf("- fork failed: %s -\n", strerror(errno)); |
Spencer Low | 6ac5d7d | 2015-05-22 20:09:06 -0700 | [diff] [blame] | 262 | unix_close(ptm); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 263 | return -1; |
| 264 | } |
| 265 | |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 266 | if (*pid == 0) { |
| 267 | init_subproc_child(); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 268 | |
Dan Albert | 569a130 | 2015-05-15 12:56:23 -0700 | [diff] [blame] | 269 | int pts = unix_open(pts_name, O_RDWR | O_CLOEXEC); |
| 270 | if (pts == -1) { |
| 271 | fprintf(stderr, "child failed to open pseudo-term slave %s: %s\n", |
| 272 | pts_name, strerror(errno)); |
Spencer Low | 6ac5d7d | 2015-05-22 20:09:06 -0700 | [diff] [blame] | 273 | unix_close(ptm); |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 274 | exit(-1); |
| 275 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 276 | |
Dan Albert | 569a130 | 2015-05-15 12:56:23 -0700 | [diff] [blame] | 277 | // arg0 is "-c" in batch mode and "-" in interactive mode. |
| 278 | if (strcmp(arg0, "-c") == 0) { |
| 279 | termios tattr; |
| 280 | if (tcgetattr(pts, &tattr) == -1) { |
| 281 | fprintf(stderr, "tcgetattr failed: %s\n", strerror(errno)); |
Spencer Low | 6ac5d7d | 2015-05-22 20:09:06 -0700 | [diff] [blame] | 282 | unix_close(pts); |
| 283 | unix_close(ptm); |
Dan Albert | 569a130 | 2015-05-15 12:56:23 -0700 | [diff] [blame] | 284 | exit(-1); |
| 285 | } |
| 286 | |
| 287 | cfmakeraw(&tattr); |
| 288 | if (tcsetattr(pts, TCSADRAIN, &tattr) == -1) { |
| 289 | fprintf(stderr, "tcsetattr failed: %s\n", strerror(errno)); |
Spencer Low | 6ac5d7d | 2015-05-22 20:09:06 -0700 | [diff] [blame] | 290 | unix_close(pts); |
| 291 | unix_close(ptm); |
Dan Albert | 569a130 | 2015-05-15 12:56:23 -0700 | [diff] [blame] | 292 | exit(-1); |
| 293 | } |
| 294 | } |
| 295 | |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 296 | dup2(pts, STDIN_FILENO); |
| 297 | dup2(pts, STDOUT_FILENO); |
| 298 | dup2(pts, STDERR_FILENO); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 299 | |
Spencer Low | 6ac5d7d | 2015-05-22 20:09:06 -0700 | [diff] [blame] | 300 | unix_close(pts); |
| 301 | unix_close(ptm); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 302 | |
Dan Albert | 569a130 | 2015-05-15 12:56:23 -0700 | [diff] [blame] | 303 | execl(cmd, cmd, arg0, arg1, nullptr); |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 304 | fprintf(stderr, "- exec '%s' failed: %s (%d) -\n", |
| 305 | cmd, strerror(errno), errno); |
| 306 | exit(-1); |
| 307 | } else { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 308 | return ptm; |
| 309 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 310 | } |
Dan Albert | 569a130 | 2015-05-15 12:56:23 -0700 | [diff] [blame] | 311 | #endif // !ADB_HOST |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 312 | |
| 313 | static int create_subproc_raw(const char *cmd, const char *arg0, const char *arg1, pid_t *pid) |
| 314 | { |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 315 | D("create_subproc_raw(cmd=%s, arg0=%s, arg1=%s)", cmd, arg0, arg1); |
Yabin Cui | e77b6a0 | 2014-11-11 09:24:11 -0800 | [diff] [blame] | 316 | #if defined(_WIN32) |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 317 | fprintf(stderr, "error: create_subproc_raw not implemented on Win32 (%s %s %s)\n", cmd, arg0, arg1); |
| 318 | return -1; |
Yabin Cui | e77b6a0 | 2014-11-11 09:24:11 -0800 | [diff] [blame] | 319 | #else |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 320 | |
| 321 | // 0 is parent socket, 1 is child socket |
| 322 | int sv[2]; |
leozwang | cbf0267 | 2014-08-15 09:51:27 -0700 | [diff] [blame] | 323 | if (adb_socketpair(sv) < 0) { |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 324 | printf("[ cannot create socket pair - %s ]\n", strerror(errno)); |
| 325 | return -1; |
| 326 | } |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 327 | D("socketpair: (%d,%d)", sv[0], sv[1]); |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 328 | |
| 329 | *pid = fork(); |
| 330 | if (*pid < 0) { |
| 331 | printf("- fork failed: %s -\n", strerror(errno)); |
| 332 | adb_close(sv[0]); |
| 333 | adb_close(sv[1]); |
| 334 | return -1; |
| 335 | } |
| 336 | |
| 337 | if (*pid == 0) { |
| 338 | adb_close(sv[0]); |
| 339 | init_subproc_child(); |
| 340 | |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 341 | dup2(sv[1], STDIN_FILENO); |
| 342 | dup2(sv[1], STDOUT_FILENO); |
Jeff Sharkey | 960df97 | 2014-06-09 17:30:57 -0700 | [diff] [blame] | 343 | dup2(sv[1], STDERR_FILENO); |
| 344 | |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 345 | adb_close(sv[1]); |
| 346 | |
| 347 | execl(cmd, cmd, arg0, arg1, NULL); |
| 348 | fprintf(stderr, "- exec '%s' failed: %s (%d) -\n", |
| 349 | cmd, strerror(errno), errno); |
| 350 | exit(-1); |
| 351 | } else { |
| 352 | adb_close(sv[1]); |
| 353 | return sv[0]; |
| 354 | } |
Yabin Cui | e77b6a0 | 2014-11-11 09:24:11 -0800 | [diff] [blame] | 355 | #endif /* !defined(_WIN32) */ |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 356 | } |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 357 | #endif /* !ABD_HOST */ |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 358 | |
| 359 | #if ADB_HOST |
| 360 | #define SHELL_COMMAND "/bin/sh" |
| 361 | #else |
| 362 | #define SHELL_COMMAND "/system/bin/sh" |
| 363 | #endif |
| 364 | |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 365 | #if !ADB_HOST |
| 366 | static void subproc_waiter_service(int fd, void *cookie) |
| 367 | { |
Elliott Hughes | ccecf14 | 2014-01-16 10:53:11 -0800 | [diff] [blame] | 368 | pid_t pid = (pid_t) (uintptr_t) cookie; |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 369 | |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 370 | D("entered. fd=%d of pid=%d", fd, pid); |
Elliott Hughes | a7090b9 | 2015-04-17 17:03:59 -0700 | [diff] [blame] | 371 | while (true) { |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 372 | int status; |
| 373 | pid_t p = waitpid(pid, &status, 0); |
| 374 | if (p == pid) { |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 375 | D("fd=%d, post waitpid(pid=%d) status=%04x", fd, p, status); |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 376 | if (WIFSIGNALED(status)) { |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 377 | D("*** Killed by signal %d", WTERMSIG(status)); |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 378 | break; |
| 379 | } else if (!WIFEXITED(status)) { |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 380 | D("*** Didn't exit!!. status %d", status); |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 381 | break; |
| 382 | } else if (WEXITSTATUS(status) >= 0) { |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 383 | D("*** Exit code %d", WEXITSTATUS(status)); |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 384 | break; |
| 385 | } |
| 386 | } |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 387 | } |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 388 | D("shell exited fd=%d of pid=%d err=%d", fd, pid, errno); |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 389 | if (SHELL_EXIT_NOTIFY_FD >=0) { |
| 390 | int res; |
Dan Albert | cc731cc | 2015-02-24 21:26:58 -0800 | [diff] [blame] | 391 | res = WriteFdExactly(SHELL_EXIT_NOTIFY_FD, &fd, sizeof(fd)) ? 0 : -1; |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 392 | D("notified shell exit via fd=%d for pid=%d res=%d errno=%d", |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 393 | SHELL_EXIT_NOTIFY_FD, pid, res, errno); |
| 394 | } |
| 395 | } |
| 396 | |
David Pursell | d4093f1 | 2015-08-10 12:52:16 -0700 | [diff] [blame] | 397 | // Starts a subprocess and spawns a thread to wait for the subprocess to finish |
| 398 | // and trigger the necessary cleanup. |
| 399 | // |
| 400 | // |name| is the command to execute in the subprocess; empty string will start |
| 401 | // an interactive session. |
| 402 | // |type| selects between a PTY or raw subprocess. |
| 403 | // |
| 404 | // Returns an open file descriptor tied to the subprocess stdin/stdout/stderr. |
| 405 | static int create_subproc_thread(const char *name, SubprocessType type) { |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 406 | const char *arg0, *arg1; |
David Pursell | d4093f1 | 2015-08-10 12:52:16 -0700 | [diff] [blame] | 407 | if (*name == '\0') { |
| 408 | arg0 = "-"; |
| 409 | arg1 = nullptr; |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 410 | } else { |
David Pursell | d4093f1 | 2015-08-10 12:52:16 -0700 | [diff] [blame] | 411 | arg0 = "-c"; |
| 412 | arg1 = name; |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 413 | } |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 414 | |
Elliott Hughes | 3bd73c1 | 2015-05-05 13:10:43 -0700 | [diff] [blame] | 415 | pid_t pid = -1; |
| 416 | int ret_fd; |
David Pursell | d4093f1 | 2015-08-10 12:52:16 -0700 | [diff] [blame] | 417 | if (type == SubprocessType::kPty) { |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 418 | ret_fd = create_subproc_pty(SHELL_COMMAND, arg0, arg1, &pid); |
Elliott Hughes | 3bd73c1 | 2015-05-05 13:10:43 -0700 | [diff] [blame] | 419 | } else { |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 420 | ret_fd = create_subproc_raw(SHELL_COMMAND, arg0, arg1, &pid); |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 421 | } |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 422 | D("create_subproc ret_fd=%d pid=%d", ret_fd, pid); |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 423 | |
Dan Albert | bac3474 | 2015-02-25 17:51:28 -0800 | [diff] [blame] | 424 | stinfo* sti = reinterpret_cast<stinfo*>(malloc(sizeof(stinfo))); |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 425 | if(sti == 0) fatal("cannot allocate stinfo"); |
| 426 | sti->func = subproc_waiter_service; |
Elliott Hughes | ccecf14 | 2014-01-16 10:53:11 -0800 | [diff] [blame] | 427 | sti->cookie = (void*) (uintptr_t) pid; |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 428 | sti->fd = ret_fd; |
| 429 | |
Elliott Hughes | 9b0f354 | 2015-05-05 13:41:21 -0700 | [diff] [blame] | 430 | if (!adb_thread_create(service_bootstrap_func, sti)) { |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 431 | free(sti); |
| 432 | adb_close(ret_fd); |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 433 | fprintf(stderr, "cannot create service thread\n"); |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 434 | return -1; |
| 435 | } |
| 436 | |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 437 | D("service thread started, fd=%d pid=%d", ret_fd, pid); |
JP Abgrall | 408fa57 | 2011-03-16 15:57:42 -0700 | [diff] [blame] | 438 | return ret_fd; |
| 439 | } |
| 440 | #endif |
| 441 | |
Elliott Hughes | aa24549 | 2015-08-03 10:38:08 -0700 | [diff] [blame] | 442 | int service_to_fd(const char* name) { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 443 | int ret = -1; |
| 444 | |
| 445 | if(!strncmp(name, "tcp:", 4)) { |
| 446 | int port = atoi(name + 4); |
| 447 | name = strchr(name + 4, ':'); |
| 448 | if(name == 0) { |
Spencer Low | 5200c66 | 2015-07-30 23:07:55 -0700 | [diff] [blame] | 449 | std::string error; |
| 450 | ret = network_loopback_client(port, SOCK_STREAM, &error); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 451 | if (ret >= 0) |
| 452 | disable_tcp_nagle(ret); |
| 453 | } else { |
| 454 | #if ADB_HOST |
Elliott Hughes | 381cfa9 | 2015-07-23 17:12:58 -0700 | [diff] [blame] | 455 | std::string error; |
| 456 | ret = network_connect(name + 1, port, SOCK_STREAM, 0, &error); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 457 | #else |
| 458 | return -1; |
| 459 | #endif |
| 460 | } |
Elliott Hughes | adbf442 | 2015-07-29 17:45:24 -0700 | [diff] [blame] | 461 | #if !defined(_WIN32) /* winsock doesn't implement unix domain sockets */ |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 462 | } else if(!strncmp(name, "local:", 6)) { |
| 463 | ret = socket_local_client(name + 6, |
| 464 | ANDROID_SOCKET_NAMESPACE_RESERVED, SOCK_STREAM); |
| 465 | } else if(!strncmp(name, "localreserved:", 14)) { |
| 466 | ret = socket_local_client(name + 14, |
| 467 | ANDROID_SOCKET_NAMESPACE_RESERVED, SOCK_STREAM); |
| 468 | } else if(!strncmp(name, "localabstract:", 14)) { |
| 469 | ret = socket_local_client(name + 14, |
| 470 | ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM); |
| 471 | } else if(!strncmp(name, "localfilesystem:", 16)) { |
| 472 | ret = socket_local_client(name + 16, |
| 473 | ANDROID_SOCKET_NAMESPACE_FILESYSTEM, SOCK_STREAM); |
| 474 | #endif |
Benoit Goby | 9470c2f | 2013-02-20 15:04:53 -0800 | [diff] [blame] | 475 | #if !ADB_HOST |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 476 | } else if(!strncmp("dev:", name, 4)) { |
Nick Kralevich | fe8d7f4 | 2014-07-18 20:57:35 -0700 | [diff] [blame] | 477 | ret = unix_open(name + 4, O_RDWR | O_CLOEXEC); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 478 | } else if(!strncmp(name, "framebuffer:", 12)) { |
| 479 | ret = create_service_thread(framebuffer_service, 0); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 480 | } else if (!strncmp(name, "jdwp:", 5)) { |
| 481 | ret = create_jdwp_connection_fd(atoi(name+5)); |
Yabin Cui | 661327e | 2015-08-11 13:40:42 -0700 | [diff] [blame] | 482 | } else if(!strncmp(name, "shell:", 6)) { |
David Pursell | d4093f1 | 2015-08-10 12:52:16 -0700 | [diff] [blame] | 483 | const char* args = name + 6; |
| 484 | if (*args) { |
| 485 | // Non-interactive session uses a raw subprocess. |
| 486 | ret = create_subproc_thread(args, SubprocessType::kRaw); |
| 487 | } else { |
| 488 | // Interactive session uses a PTY subprocess. |
| 489 | ret = create_subproc_thread(args, SubprocessType::kPty); |
| 490 | } |
Yabin Cui | 661327e | 2015-08-11 13:40:42 -0700 | [diff] [blame] | 491 | } else if(!strncmp(name, "exec:", 5)) { |
David Pursell | d4093f1 | 2015-08-10 12:52:16 -0700 | [diff] [blame] | 492 | ret = create_subproc_thread(name + 5, SubprocessType::kRaw); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 493 | } else if(!strncmp(name, "sync:", 5)) { |
| 494 | ret = create_service_thread(file_sync_service, NULL); |
| 495 | } else if(!strncmp(name, "remount:", 8)) { |
| 496 | ret = create_service_thread(remount_service, NULL); |
Mike Lockwood | ee15662 | 2009-08-04 20:37:51 -0400 | [diff] [blame] | 497 | } else if(!strncmp(name, "reboot:", 7)) { |
Mike Lockwood | b6b4007 | 2009-09-19 16:52:58 -0400 | [diff] [blame] | 498 | void* arg = strdup(name + 7); |
Jeff Sharkey | 5d9d434 | 2014-05-26 18:30:43 -0700 | [diff] [blame] | 499 | if (arg == NULL) return -1; |
Mike Lockwood | b6b4007 | 2009-09-19 16:52:58 -0400 | [diff] [blame] | 500 | ret = create_service_thread(reboot_service, arg); |
The Android Open Source Project | e037fd7 | 2009-03-13 13:04:37 -0700 | [diff] [blame] | 501 | } else if(!strncmp(name, "root:", 5)) { |
| 502 | ret = create_service_thread(restart_root_service, NULL); |
Dan Pasanen | 9885881 | 2014-10-06 12:57:20 -0500 | [diff] [blame] | 503 | } else if(!strncmp(name, "unroot:", 7)) { |
| 504 | ret = create_service_thread(restart_unroot_service, NULL); |
Christopher Tate | d2f5415 | 2011-04-21 12:53:28 -0700 | [diff] [blame] | 505 | } else if(!strncmp(name, "backup:", 7)) { |
Elliott Hughes | aa24549 | 2015-08-03 10:38:08 -0700 | [diff] [blame] | 506 | ret = create_subproc_thread(android::base::StringPrintf("/system/bin/bu backup %s", |
| 507 | (name + 7)).c_str(), |
David Pursell | d4093f1 | 2015-08-10 12:52:16 -0700 | [diff] [blame] | 508 | SubprocessType::kRaw); |
Elliott Hughes | aa24549 | 2015-08-03 10:38:08 -0700 | [diff] [blame] | 509 | } else if(!strncmp(name, "restore:", 8)) { |
| 510 | ret = create_subproc_thread("/system/bin/bu restore", SubprocessType::kRaw); |
Mike Lockwood | ff19670 | 2009-08-24 15:58:40 -0700 | [diff] [blame] | 511 | } else if(!strncmp(name, "tcpip:", 6)) { |
| 512 | int port; |
Spencer Low | 943ef23 | 2015-01-25 17:38:36 -0800 | [diff] [blame] | 513 | if (sscanf(name + 6, "%d", &port) != 1) { |
Elliott Hughes | 19d80b8 | 2015-07-21 16:13:40 -0700 | [diff] [blame] | 514 | return -1; |
Mike Lockwood | ff19670 | 2009-08-24 15:58:40 -0700 | [diff] [blame] | 515 | } |
Elliott Hughes | ccecf14 | 2014-01-16 10:53:11 -0800 | [diff] [blame] | 516 | ret = create_service_thread(restart_tcp_service, (void *) (uintptr_t) port); |
Mike Lockwood | ff19670 | 2009-08-24 15:58:40 -0700 | [diff] [blame] | 517 | } else if(!strncmp(name, "usb:", 4)) { |
| 518 | ret = create_service_thread(restart_usb_service, NULL); |
David 'Digit' Turner | 2525869 | 2013-03-21 21:07:42 +0100 | [diff] [blame] | 519 | } else if (!strncmp(name, "reverse:", 8)) { |
| 520 | char* cookie = strdup(name + 8); |
| 521 | if (cookie == NULL) { |
| 522 | ret = -1; |
| 523 | } else { |
| 524 | ret = create_service_thread(reverse_service, cookie); |
| 525 | if (ret < 0) { |
| 526 | free(cookie); |
| 527 | } |
| 528 | } |
Paul Lawrence | ec900bb | 2014-10-09 14:22:49 +0000 | [diff] [blame] | 529 | } else if(!strncmp(name, "disable-verity:", 15)) { |
Paul Lawrence | 982089d | 2014-12-03 15:31:57 -0800 | [diff] [blame] | 530 | ret = create_service_thread(set_verity_enabled_state_service, (void*)0); |
| 531 | } else if(!strncmp(name, "enable-verity:", 15)) { |
| 532 | ret = create_service_thread(set_verity_enabled_state_service, (void*)1); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 533 | #endif |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 534 | } |
| 535 | if (ret >= 0) { |
| 536 | close_on_exec(ret); |
| 537 | } |
| 538 | return ret; |
| 539 | } |
| 540 | |
| 541 | #if ADB_HOST |
| 542 | struct state_info { |
Elliott Hughes | 3bd73c1 | 2015-05-05 13:10:43 -0700 | [diff] [blame] | 543 | TransportType transport_type; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 544 | char* serial; |
Dan Albert | dcd78a1 | 2015-05-18 16:43:57 -0700 | [diff] [blame] | 545 | ConnectionState state; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 546 | }; |
| 547 | |
| 548 | static void wait_for_state(int fd, void* cookie) |
| 549 | { |
Dan Albert | bac3474 | 2015-02-25 17:51:28 -0800 | [diff] [blame] | 550 | state_info* sinfo = reinterpret_cast<state_info*>(cookie); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 551 | |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 552 | D("wait_for_state %d", sinfo->state); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 553 | |
Elliott Hughes | 7be29c8 | 2015-04-16 22:54:44 -0700 | [diff] [blame] | 554 | std::string error_msg = "unknown error"; |
Elliott Hughes | 3bd73c1 | 2015-05-05 13:10:43 -0700 | [diff] [blame] | 555 | atransport* t = acquire_one_transport(sinfo->state, sinfo->transport_type, sinfo->serial, |
| 556 | &error_msg); |
Elliott Hughes | e2d3677 | 2015-06-23 13:00:32 -0700 | [diff] [blame] | 557 | if (t != nullptr) { |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 558 | SendOkay(fd); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 559 | } else { |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 560 | SendFail(fd, error_msg); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 561 | } |
| 562 | |
| 563 | if (sinfo->serial) |
| 564 | free(sinfo->serial); |
| 565 | free(sinfo); |
| 566 | adb_close(fd); |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 567 | D("wait_for_state is done"); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 568 | } |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 569 | |
Elliott Hughes | 3d5f60d | 2015-07-18 12:21:30 -0700 | [diff] [blame] | 570 | static void connect_device(const std::string& address, std::string* response) { |
| 571 | if (address.empty()) { |
| 572 | *response = "empty address"; |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 573 | return; |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 574 | } |
| 575 | |
Elliott Hughes | 3d5f60d | 2015-07-18 12:21:30 -0700 | [diff] [blame] | 576 | std::string serial; |
| 577 | std::string host; |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 578 | int port = DEFAULT_ADB_LOCAL_TRANSPORT_PORT; |
Elliott Hughes | 3d5f60d | 2015-07-18 12:21:30 -0700 | [diff] [blame] | 579 | if (!parse_host_and_port(address, &serial, &host, &port, response)) { |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 580 | return; |
| 581 | } |
| 582 | |
Elliott Hughes | 381cfa9 | 2015-07-23 17:12:58 -0700 | [diff] [blame] | 583 | std::string error; |
| 584 | int fd = network_connect(host.c_str(), port, SOCK_STREAM, 10, &error); |
Elliott Hughes | 3d5f60d | 2015-07-18 12:21:30 -0700 | [diff] [blame] | 585 | if (fd == -1) { |
| 586 | *response = android::base::StringPrintf("unable to connect to %s: %s", |
Elliott Hughes | 381cfa9 | 2015-07-23 17:12:58 -0700 | [diff] [blame] | 587 | serial.c_str(), error.c_str()); |
Elliott Hughes | 3d5f60d | 2015-07-18 12:21:30 -0700 | [diff] [blame] | 588 | return; |
| 589 | } |
| 590 | |
Yabin Cui | 7a3f8d6 | 2015-09-02 17:44:28 -0700 | [diff] [blame^] | 591 | D("client: connected %s remote on fd %d", serial.c_str(), fd); |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 592 | close_on_exec(fd); |
| 593 | disable_tcp_nagle(fd); |
| 594 | |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 595 | int ret = register_socket_transport(fd, serial.c_str(), port, 0); |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 596 | if (ret < 0) { |
| 597 | adb_close(fd); |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 598 | *response = android::base::StringPrintf("already connected to %s", serial.c_str()); |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 599 | } else { |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 600 | *response = android::base::StringPrintf("connected to %s", serial.c_str()); |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 601 | } |
| 602 | } |
| 603 | |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 604 | void connect_emulator(const std::string& port_spec, std::string* response) { |
| 605 | std::vector<std::string> pieces = android::base::Split(port_spec, ","); |
| 606 | if (pieces.size() != 2) { |
| 607 | *response = android::base::StringPrintf("unable to parse '%s' as <console port>,<adb port>", |
| 608 | port_spec.c_str()); |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 609 | return; |
| 610 | } |
| 611 | |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 612 | int console_port = strtol(pieces[0].c_str(), NULL, 0); |
| 613 | int adb_port = strtol(pieces[1].c_str(), NULL, 0); |
| 614 | if (console_port <= 0 || adb_port <= 0) { |
| 615 | *response = android::base::StringPrintf("Invalid port numbers: %s", port_spec.c_str()); |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 616 | return; |
| 617 | } |
| 618 | |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 619 | // Check if the emulator is already known. |
| 620 | // Note: There's a small but harmless race condition here: An emulator not |
| 621 | // present just yet could be registered by another invocation right |
| 622 | // after doing this check here. However, local_connect protects |
| 623 | // against double-registration too. From here, a better error message |
| 624 | // can be produced. In the case of the race condition, the very specific |
| 625 | // error message won't be shown, but the data doesn't get corrupted. |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 626 | atransport* known_emulator = find_emulator_transport_by_adb_port(adb_port); |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 627 | if (known_emulator != nullptr) { |
| 628 | *response = android::base::StringPrintf("Emulator already registered on port %d", adb_port); |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 629 | return; |
| 630 | } |
| 631 | |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 632 | // Check if more emulators can be registered. Similar unproblematic |
| 633 | // race condition as above. |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 634 | int candidate_slot = get_available_local_transport_index(); |
| 635 | if (candidate_slot < 0) { |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 636 | *response = "Cannot accept more emulators"; |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 637 | return; |
| 638 | } |
| 639 | |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 640 | // Preconditions met, try to connect to the emulator. |
Elliott Hughes | 381cfa9 | 2015-07-23 17:12:58 -0700 | [diff] [blame] | 641 | std::string error; |
| 642 | if (!local_connect_arbitrary_ports(console_port, adb_port, &error)) { |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 643 | *response = android::base::StringPrintf("Connected to emulator on ports %d,%d", |
| 644 | console_port, adb_port); |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 645 | } else { |
Elliott Hughes | 381cfa9 | 2015-07-23 17:12:58 -0700 | [diff] [blame] | 646 | *response = android::base::StringPrintf("Could not connect to emulator on ports %d,%d: %s", |
| 647 | console_port, adb_port, error.c_str()); |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 648 | } |
| 649 | } |
| 650 | |
Alan Jeon | 4af3c40 | 2014-10-16 17:05:25 +0900 | [diff] [blame] | 651 | static void connect_service(int fd, void* data) { |
| 652 | char* host = reinterpret_cast<char*>(data); |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 653 | std::string response; |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 654 | if (!strncmp(host, "emu:", 4)) { |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 655 | connect_emulator(host + 4, &response); |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 656 | } else { |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 657 | connect_device(host, &response); |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 658 | } |
Alan Jeon | 4af3c40 | 2014-10-16 17:05:25 +0900 | [diff] [blame] | 659 | free(host); |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 660 | |
| 661 | // Send response for emulator and device |
Elliott Hughes | e67f1f8 | 2015-04-30 17:32:03 -0700 | [diff] [blame] | 662 | SendProtocolString(fd, response); |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 663 | adb_close(fd); |
| 664 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 665 | #endif |
| 666 | |
| 667 | #if ADB_HOST |
Elliott Hughes | aa24549 | 2015-08-03 10:38:08 -0700 | [diff] [blame] | 668 | asocket* host_service_to_socket(const char* name, const char* serial) { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 669 | if (!strcmp(name,"track-devices")) { |
| 670 | return create_device_tracker(); |
| 671 | } else if (!strncmp(name, "wait-for-", strlen("wait-for-"))) { |
Dan Albert | bac3474 | 2015-02-25 17:51:28 -0800 | [diff] [blame] | 672 | auto sinfo = reinterpret_cast<state_info*>(malloc(sizeof(state_info))); |
Elliott Hughes | dc3b459 | 2015-04-21 19:39:52 -0700 | [diff] [blame] | 673 | if (sinfo == nullptr) { |
| 674 | fprintf(stderr, "couldn't allocate state_info: %s", strerror(errno)); |
| 675 | return NULL; |
| 676 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 677 | |
| 678 | if (serial) |
| 679 | sinfo->serial = strdup(serial); |
| 680 | else |
| 681 | sinfo->serial = NULL; |
| 682 | |
| 683 | name += strlen("wait-for-"); |
| 684 | |
| 685 | if (!strncmp(name, "local", strlen("local"))) { |
Elliott Hughes | 3bd73c1 | 2015-05-05 13:10:43 -0700 | [diff] [blame] | 686 | sinfo->transport_type = kTransportLocal; |
Dan Albert | dcd78a1 | 2015-05-18 16:43:57 -0700 | [diff] [blame] | 687 | sinfo->state = kCsDevice; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 688 | } else if (!strncmp(name, "usb", strlen("usb"))) { |
Elliott Hughes | 3bd73c1 | 2015-05-05 13:10:43 -0700 | [diff] [blame] | 689 | sinfo->transport_type = kTransportUsb; |
Dan Albert | dcd78a1 | 2015-05-18 16:43:57 -0700 | [diff] [blame] | 690 | sinfo->state = kCsDevice; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 691 | } else if (!strncmp(name, "any", strlen("any"))) { |
Elliott Hughes | 3bd73c1 | 2015-05-05 13:10:43 -0700 | [diff] [blame] | 692 | sinfo->transport_type = kTransportAny; |
Dan Albert | dcd78a1 | 2015-05-18 16:43:57 -0700 | [diff] [blame] | 693 | sinfo->state = kCsDevice; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 694 | } else { |
Alan Jeon | 4af3c40 | 2014-10-16 17:05:25 +0900 | [diff] [blame] | 695 | if (sinfo->serial) { |
| 696 | free(sinfo->serial); |
| 697 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 698 | free(sinfo); |
| 699 | return NULL; |
| 700 | } |
| 701 | |
| 702 | int fd = create_service_thread(wait_for_state, sinfo); |
| 703 | return create_local_socket(fd); |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 704 | } else if (!strncmp(name, "connect:", 8)) { |
Alan Jeon | 4af3c40 | 2014-10-16 17:05:25 +0900 | [diff] [blame] | 705 | char* host = strdup(name + 8); |
| 706 | int fd = create_service_thread(connect_service, host); |
Benoit Goby | 1c45ee9 | 2013-03-29 18:22:36 -0700 | [diff] [blame] | 707 | return create_local_socket(fd); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 708 | } |
| 709 | return NULL; |
| 710 | } |
| 711 | #endif /* ADB_HOST */ |