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The Android Open Source Project9ca14dc2009-03-03 19:32:55 -08001/*
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
Benoit Goby3f9f9ce2013-03-29 18:22:36 -070017#include <stddef.h>
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -080018#include <stdlib.h>
19#include <stdio.h>
20#include <unistd.h>
21#include <string.h>
22#include <errno.h>
23
24#include "sysdeps.h"
25
JP Abgrall2e5dd6e2011-03-16 15:57:42 -070026#define TRACE_TAG TRACE_SERVICES
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -080027#include "adb.h"
28#include "file_sync_service.h"
29
30#if ADB_HOST
31# ifndef HAVE_WINSOCK
32# include <netinet/in.h>
33# include <netdb.h>
JP Abgrall2e5dd6e2011-03-16 15:57:42 -070034# include <sys/ioctl.h>
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -080035# endif
Mike Lockwoodfa311c32009-07-30 16:23:56 -070036#else
Ken Sumrall78438c92011-03-07 23:29:42 -080037# include <cutils/android_reboot.h>
Nick Kralevich7472d292013-05-23 09:54:13 -070038# include <cutils/properties.h>
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -080039#endif
40
41typedef struct stinfo stinfo;
42
43struct stinfo {
44 void (*func)(int fd, void *cookie);
45 int fd;
46 void *cookie;
47};
48
49
50void *service_bootstrap_func(void *x)
51{
52 stinfo *sti = x;
53 sti->func(sti->fd, sti->cookie);
54 free(sti);
55 return 0;
56}
57
Benoit Goby12dc3692013-02-20 15:04:53 -080058#if !ADB_HOST
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -080059
The Android Open Source Project9c753402009-03-13 13:04:37 -070060void restart_root_service(int fd, void *cookie)
61{
62 char buf[100];
63 char value[PROPERTY_VALUE_MAX];
64
65 if (getuid() == 0) {
66 snprintf(buf, sizeof(buf), "adbd is already running as root\n");
67 writex(fd, buf, strlen(buf));
68 adb_close(fd);
69 } else {
70 property_get("ro.debuggable", value, "");
71 if (strcmp(value, "1") != 0) {
72 snprintf(buf, sizeof(buf), "adbd cannot run as root in production builds\n");
73 writex(fd, buf, strlen(buf));
Mike Lockwood26b88e32009-08-24 15:58:40 -070074 adb_close(fd);
The Android Open Source Project9c753402009-03-13 13:04:37 -070075 return;
76 }
77
Benoit Gobyad926c12012-03-16 14:44:17 -070078 property_set("service.adb.root", "1");
The Android Open Source Project9c753402009-03-13 13:04:37 -070079 snprintf(buf, sizeof(buf), "restarting adbd as root\n");
80 writex(fd, buf, strlen(buf));
81 adb_close(fd);
The Android Open Source Project9c753402009-03-13 13:04:37 -070082 }
83}
84
Mike Lockwood26b88e32009-08-24 15:58:40 -070085void restart_tcp_service(int fd, void *cookie)
86{
87 char buf[100];
88 char value[PROPERTY_VALUE_MAX];
Elliott Hughes9c0d9402014-01-16 10:53:11 -080089 int port = (int) (uintptr_t) cookie;
Mike Lockwood26b88e32009-08-24 15:58:40 -070090
91 if (port <= 0) {
92 snprintf(buf, sizeof(buf), "invalid port\n");
93 writex(fd, buf, strlen(buf));
94 adb_close(fd);
95 return;
96 }
97
98 snprintf(value, sizeof(value), "%d", port);
99 property_set("service.adb.tcp.port", value);
100 snprintf(buf, sizeof(buf), "restarting in TCP mode port: %d\n", port);
101 writex(fd, buf, strlen(buf));
102 adb_close(fd);
Mike Lockwood26b88e32009-08-24 15:58:40 -0700103}
104
105void restart_usb_service(int fd, void *cookie)
106{
107 char buf[100];
108
109 property_set("service.adb.tcp.port", "0");
110 snprintf(buf, sizeof(buf), "restarting in USB mode\n");
111 writex(fd, buf, strlen(buf));
112 adb_close(fd);
Mike Lockwood26b88e32009-08-24 15:58:40 -0700113}
114
115void reboot_service(int fd, void *arg)
Mike Lockwood12a35ea2009-08-04 20:37:51 -0400116{
117 char buf[100];
Nick Kralevichb7df0172013-04-18 12:20:02 -0700118 char property_val[PROPERTY_VALUE_MAX];
Nick Kralevich5b5283c2014-01-14 16:34:56 -0800119 int ret;
Mike Lockwood12a35ea2009-08-04 20:37:51 -0400120
121 sync();
Mike Lockwoodd49e9eb2010-02-24 16:07:23 -0500122
Nick Kralevichb7df0172013-04-18 12:20:02 -0700123 ret = snprintf(property_val, sizeof(property_val), "reboot,%s", (char *) arg);
124 if (ret >= (int) sizeof(property_val)) {
125 snprintf(buf, sizeof(buf), "reboot string too long. length=%d\n", ret);
126 writex(fd, buf, strlen(buf));
127 goto cleanup;
128 }
129
130 ret = property_set(ANDROID_RB_PROPERTY, property_val);
Mike Lockwood12a35ea2009-08-04 20:37:51 -0400131 if (ret < 0) {
Nick Kralevichb7df0172013-04-18 12:20:02 -0700132 snprintf(buf, sizeof(buf), "reboot failed: %d\n", ret);
Mike Lockwood12a35ea2009-08-04 20:37:51 -0400133 writex(fd, buf, strlen(buf));
Nick Kralevich51699982013-10-24 08:53:48 -0700134 goto cleanup;
Mike Lockwood12a35ea2009-08-04 20:37:51 -0400135 }
Nick Kralevich51699982013-10-24 08:53:48 -0700136 // Don't return early. Give the reboot command time to take effect
137 // to avoid messing up scripts which do "adb reboot && adb wait-for-device"
138 while(1) { pause(); }
Nick Kralevichb7df0172013-04-18 12:20:02 -0700139cleanup:
Mike Lockwood1a855ae2009-09-19 16:52:58 -0400140 free(arg);
Mike Lockwood12a35ea2009-08-04 20:37:51 -0400141 adb_close(fd);
142}
143
David 'Digit' Turner963a4492013-03-21 21:07:42 +0100144void reverse_service(int fd, void* arg)
145{
146 const char* command = arg;
147
148 if (handle_forward_request(command, kTransportAny, NULL, fd) < 0) {
149 sendfailmsg(fd, "not a reverse forwarding command");
150 }
151 free(arg);
152 adb_close(fd);
153}
154
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800155#endif
156
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800157static int create_service_thread(void (*func)(int, void *), void *cookie)
158{
159 stinfo *sti;
160 adb_thread_t t;
161 int s[2];
162
163 if(adb_socketpair(s)) {
164 printf("cannot create service socket pair\n");
165 return -1;
166 }
167
168 sti = malloc(sizeof(stinfo));
169 if(sti == 0) fatal("cannot allocate stinfo");
170 sti->func = func;
171 sti->cookie = cookie;
172 sti->fd = s[1];
173
174 if(adb_thread_create( &t, service_bootstrap_func, sti)){
175 free(sti);
176 adb_close(s[0]);
177 adb_close(s[1]);
178 printf("cannot create service thread\n");
179 return -1;
180 }
181
182 D("service thread started, %d:%d\n",s[0], s[1]);
183 return s[0];
184}
185
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700186#if !ADB_HOST
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700187
188static void init_subproc_child()
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800189{
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700190 setsid();
191
Rom Lemarchand540fab42014-06-20 16:30:54 -0700192 // Set OOM score adjustment to prevent killing
Nick Kralevich43f94fb2014-07-18 20:57:35 -0700193 int fd = adb_open("/proc/self/oom_score_adj", O_WRONLY | O_CLOEXEC);
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700194 if (fd >= 0) {
195 adb_write(fd, "0", 1);
196 adb_close(fd);
197 } else {
Rom Lemarchand540fab42014-06-20 16:30:54 -0700198 D("adb: unable to update oom_score_adj\n");
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700199 }
200}
201
202static int create_subproc_pty(const char *cmd, const char *arg0, const char *arg1, pid_t *pid)
203{
204 D("create_subproc_pty(cmd=%s, arg0=%s, arg1=%s)\n", cmd, arg0, arg1);
Joe Onorato590bca72009-09-03 16:30:43 -0700205#ifdef HAVE_WIN32_PROC
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700206 fprintf(stderr, "error: create_subproc_pty not implemented on Win32 (%s %s %s)\n", cmd, arg0, arg1);
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700207 return -1;
Joe Onorato590bca72009-09-03 16:30:43 -0700208#else /* !HAVE_WIN32_PROC */
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800209 int ptm;
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800210
Nick Kralevich43f94fb2014-07-18 20:57:35 -0700211 ptm = unix_open("/dev/ptmx", O_RDWR | O_CLOEXEC); // | O_NOCTTY);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800212 if(ptm < 0){
213 printf("[ cannot open /dev/ptmx - %s ]\n",strerror(errno));
214 return -1;
215 }
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800216
Elliott Hughes1f59fa02014-07-29 11:32:16 -0700217 char devname[64];
218 if(grantpt(ptm) || unlockpt(ptm) || ptsname_r(ptm, devname, sizeof(devname)) != 0) {
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800219 printf("[ trouble with /dev/ptmx - %s ]\n", strerror(errno));
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700220 adb_close(ptm);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800221 return -1;
222 }
223
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700224 *pid = fork();
225 if(*pid < 0) {
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800226 printf("- fork failed: %s -\n", strerror(errno));
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700227 adb_close(ptm);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800228 return -1;
229 }
230
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700231 if (*pid == 0) {
232 init_subproc_child();
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800233
Nick Kralevich43f94fb2014-07-18 20:57:35 -0700234 int pts = unix_open(devname, O_RDWR | O_CLOEXEC);
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700235 if (pts < 0) {
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700236 fprintf(stderr, "child failed to open pseudo-term slave: %s\n", devname);
237 exit(-1);
238 }
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800239
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700240 dup2(pts, STDIN_FILENO);
241 dup2(pts, STDOUT_FILENO);
242 dup2(pts, STDERR_FILENO);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800243
Benoit Gobyf4ded742011-02-01 18:57:41 -0800244 adb_close(pts);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800245 adb_close(ptm);
246
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700247 execl(cmd, cmd, arg0, arg1, NULL);
248 fprintf(stderr, "- exec '%s' failed: %s (%d) -\n",
249 cmd, strerror(errno), errno);
250 exit(-1);
251 } else {
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800252 return ptm;
253 }
Joe Onorato590bca72009-09-03 16:30:43 -0700254#endif /* !HAVE_WIN32_PROC */
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800255}
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700256
257static int create_subproc_raw(const char *cmd, const char *arg0, const char *arg1, pid_t *pid)
258{
259 D("create_subproc_raw(cmd=%s, arg0=%s, arg1=%s)\n", cmd, arg0, arg1);
260#ifdef HAVE_WIN32_PROC
261 fprintf(stderr, "error: create_subproc_raw not implemented on Win32 (%s %s %s)\n", cmd, arg0, arg1);
262 return -1;
263#else /* !HAVE_WIN32_PROC */
264
265 // 0 is parent socket, 1 is child socket
266 int sv[2];
267 if (unix_socketpair(AF_UNIX, SOCK_STREAM, 0, sv) < 0) {
268 printf("[ cannot create socket pair - %s ]\n", strerror(errno));
269 return -1;
270 }
271
272 *pid = fork();
273 if (*pid < 0) {
274 printf("- fork failed: %s -\n", strerror(errno));
275 adb_close(sv[0]);
276 adb_close(sv[1]);
277 return -1;
278 }
279
280 if (*pid == 0) {
281 adb_close(sv[0]);
282 init_subproc_child();
283
284 // Only hook up stdin/stdout; drop stderr
285 dup2(sv[1], STDIN_FILENO);
286 dup2(sv[1], STDOUT_FILENO);
287 adb_close(sv[1]);
288
289 execl(cmd, cmd, arg0, arg1, NULL);
290 fprintf(stderr, "- exec '%s' failed: %s (%d) -\n",
291 cmd, strerror(errno), errno);
292 exit(-1);
293 } else {
294 adb_close(sv[1]);
295 return sv[0];
296 }
297#endif /* !HAVE_WIN32_PROC */
298}
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700299#endif /* !ABD_HOST */
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800300
301#if ADB_HOST
302#define SHELL_COMMAND "/bin/sh"
303#else
304#define SHELL_COMMAND "/system/bin/sh"
305#endif
306
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700307#if !ADB_HOST
308static void subproc_waiter_service(int fd, void *cookie)
309{
Elliott Hughes9c0d9402014-01-16 10:53:11 -0800310 pid_t pid = (pid_t) (uintptr_t) cookie;
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700311
312 D("entered. fd=%d of pid=%d\n", fd, pid);
313 for (;;) {
314 int status;
315 pid_t p = waitpid(pid, &status, 0);
316 if (p == pid) {
317 D("fd=%d, post waitpid(pid=%d) status=%04x\n", fd, p, status);
318 if (WIFSIGNALED(status)) {
319 D("*** Killed by signal %d\n", WTERMSIG(status));
320 break;
321 } else if (!WIFEXITED(status)) {
322 D("*** Didn't exit!!. status %d\n", status);
323 break;
324 } else if (WEXITSTATUS(status) >= 0) {
325 D("*** Exit code %d\n", WEXITSTATUS(status));
326 break;
327 }
328 }
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700329 }
330 D("shell exited fd=%d of pid=%d err=%d\n", fd, pid, errno);
331 if (SHELL_EXIT_NOTIFY_FD >=0) {
332 int res;
333 res = writex(SHELL_EXIT_NOTIFY_FD, &fd, sizeof(fd));
334 D("notified shell exit via fd=%d for pid=%d res=%d errno=%d\n",
335 SHELL_EXIT_NOTIFY_FD, pid, res, errno);
336 }
337}
338
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700339static int create_subproc_thread(const char *name, const subproc_mode mode)
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700340{
341 stinfo *sti;
342 adb_thread_t t;
343 int ret_fd;
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700344 pid_t pid = -1;
345
346 const char *arg0, *arg1;
347 if (name == 0 || *name == 0) {
348 arg0 = "-"; arg1 = 0;
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700349 } else {
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700350 arg0 = "-c"; arg1 = name;
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700351 }
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700352
353 switch (mode) {
354 case SUBPROC_PTY:
355 ret_fd = create_subproc_pty(SHELL_COMMAND, arg0, arg1, &pid);
356 break;
357 case SUBPROC_RAW:
358 ret_fd = create_subproc_raw(SHELL_COMMAND, arg0, arg1, &pid);
359 break;
360 default:
361 fprintf(stderr, "invalid subproc_mode %d\n", mode);
362 return -1;
363 }
364 D("create_subproc ret_fd=%d pid=%d\n", ret_fd, pid);
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700365
366 sti = malloc(sizeof(stinfo));
367 if(sti == 0) fatal("cannot allocate stinfo");
368 sti->func = subproc_waiter_service;
Elliott Hughes9c0d9402014-01-16 10:53:11 -0800369 sti->cookie = (void*) (uintptr_t) pid;
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700370 sti->fd = ret_fd;
371
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700372 if (adb_thread_create(&t, service_bootstrap_func, sti)) {
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700373 free(sti);
374 adb_close(ret_fd);
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700375 fprintf(stderr, "cannot create service thread\n");
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700376 return -1;
377 }
378
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700379 D("service thread started, fd=%d pid=%d\n", ret_fd, pid);
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700380 return ret_fd;
381}
382#endif
383
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800384int service_to_fd(const char *name)
385{
386 int ret = -1;
387
388 if(!strncmp(name, "tcp:", 4)) {
389 int port = atoi(name + 4);
390 name = strchr(name + 4, ':');
391 if(name == 0) {
392 ret = socket_loopback_client(port, SOCK_STREAM);
393 if (ret >= 0)
394 disable_tcp_nagle(ret);
395 } else {
396#if ADB_HOST
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800397 ret = socket_network_client(name + 1, port, SOCK_STREAM);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800398#else
399 return -1;
400#endif
401 }
402#ifndef HAVE_WINSOCK /* winsock doesn't implement unix domain sockets */
403 } else if(!strncmp(name, "local:", 6)) {
404 ret = socket_local_client(name + 6,
405 ANDROID_SOCKET_NAMESPACE_RESERVED, SOCK_STREAM);
406 } else if(!strncmp(name, "localreserved:", 14)) {
407 ret = socket_local_client(name + 14,
408 ANDROID_SOCKET_NAMESPACE_RESERVED, SOCK_STREAM);
409 } else if(!strncmp(name, "localabstract:", 14)) {
410 ret = socket_local_client(name + 14,
411 ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM);
412 } else if(!strncmp(name, "localfilesystem:", 16)) {
413 ret = socket_local_client(name + 16,
414 ANDROID_SOCKET_NAMESPACE_FILESYSTEM, SOCK_STREAM);
415#endif
Benoit Goby12dc3692013-02-20 15:04:53 -0800416#if !ADB_HOST
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800417 } else if(!strncmp("dev:", name, 4)) {
Nick Kralevich43f94fb2014-07-18 20:57:35 -0700418 ret = unix_open(name + 4, O_RDWR | O_CLOEXEC);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800419 } else if(!strncmp(name, "framebuffer:", 12)) {
420 ret = create_service_thread(framebuffer_service, 0);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800421 } else if (!strncmp(name, "jdwp:", 5)) {
422 ret = create_jdwp_connection_fd(atoi(name+5));
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800423 } else if(!HOST && !strncmp(name, "shell:", 6)) {
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700424 ret = create_subproc_thread(name + 6, SUBPROC_PTY);
425 } else if(!HOST && !strncmp(name, "exec:", 5)) {
426 ret = create_subproc_thread(name + 5, SUBPROC_RAW);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800427 } else if(!strncmp(name, "sync:", 5)) {
428 ret = create_service_thread(file_sync_service, NULL);
429 } else if(!strncmp(name, "remount:", 8)) {
430 ret = create_service_thread(remount_service, NULL);
Mike Lockwood12a35ea2009-08-04 20:37:51 -0400431 } else if(!strncmp(name, "reboot:", 7)) {
Mike Lockwood1a855ae2009-09-19 16:52:58 -0400432 void* arg = strdup(name + 7);
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700433 if (arg == NULL) return -1;
Mike Lockwood1a855ae2009-09-19 16:52:58 -0400434 ret = create_service_thread(reboot_service, arg);
The Android Open Source Project9c753402009-03-13 13:04:37 -0700435 } else if(!strncmp(name, "root:", 5)) {
436 ret = create_service_thread(restart_root_service, NULL);
Christopher Tate73779122011-04-21 12:53:28 -0700437 } else if(!strncmp(name, "backup:", 7)) {
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700438 char* arg = strdup(name + 7);
Christopher Tate73779122011-04-21 12:53:28 -0700439 if (arg == NULL) return -1;
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700440 char* c = arg;
441 for (; *c != '\0'; c++) {
442 if (*c == ':')
443 *c = ' ';
444 }
445 char* cmd;
446 if (asprintf(&cmd, "/system/bin/bu backup %s", arg) != -1) {
447 ret = create_subproc_thread(cmd, SUBPROC_RAW);
448 free(cmd);
449 }
450 free(arg);
Christopher Tatecf5379b2011-05-17 15:52:54 -0700451 } else if(!strncmp(name, "restore:", 8)) {
Jeff Sharkey6aecc442014-05-26 18:30:43 -0700452 ret = create_subproc_thread("/system/bin/bu restore", SUBPROC_RAW);
Mike Lockwood26b88e32009-08-24 15:58:40 -0700453 } else if(!strncmp(name, "tcpip:", 6)) {
454 int port;
455 if (sscanf(name + 6, "%d", &port) == 0) {
456 port = 0;
457 }
Elliott Hughes9c0d9402014-01-16 10:53:11 -0800458 ret = create_service_thread(restart_tcp_service, (void *) (uintptr_t) port);
Mike Lockwood26b88e32009-08-24 15:58:40 -0700459 } else if(!strncmp(name, "usb:", 4)) {
460 ret = create_service_thread(restart_usb_service, NULL);
David 'Digit' Turner963a4492013-03-21 21:07:42 +0100461 } else if (!strncmp(name, "reverse:", 8)) {
462 char* cookie = strdup(name + 8);
463 if (cookie == NULL) {
464 ret = -1;
465 } else {
466 ret = create_service_thread(reverse_service, cookie);
467 if (ret < 0) {
468 free(cookie);
469 }
470 }
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800471#endif
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800472 }
473 if (ret >= 0) {
474 close_on_exec(ret);
475 }
476 return ret;
477}
478
479#if ADB_HOST
480struct state_info {
481 transport_type transport;
482 char* serial;
483 int state;
484};
485
486static void wait_for_state(int fd, void* cookie)
487{
488 struct state_info* sinfo = cookie;
489 char* err = "unknown error";
490
491 D("wait_for_state %d\n", sinfo->state);
492
493 atransport *t = acquire_one_transport(sinfo->state, sinfo->transport, sinfo->serial, &err);
494 if(t != 0) {
495 writex(fd, "OKAY", 4);
496 } else {
497 sendfailmsg(fd, err);
498 }
499
500 if (sinfo->serial)
501 free(sinfo->serial);
502 free(sinfo);
503 adb_close(fd);
504 D("wait_for_state is done\n");
505}
Benoit Goby3f9f9ce2013-03-29 18:22:36 -0700506
507static void connect_device(char* host, char* buffer, int buffer_size)
508{
509 int port, fd;
510 char* portstr = strchr(host, ':');
511 char hostbuf[100];
512 char serial[100];
513 int ret;
514
515 strncpy(hostbuf, host, sizeof(hostbuf) - 1);
516 if (portstr) {
517 if (portstr - host >= (ptrdiff_t)sizeof(hostbuf)) {
518 snprintf(buffer, buffer_size, "bad host name %s", host);
519 return;
520 }
521 // zero terminate the host at the point we found the colon
522 hostbuf[portstr - host] = 0;
523 if (sscanf(portstr + 1, "%d", &port) == 0) {
524 snprintf(buffer, buffer_size, "bad port number %s", portstr);
525 return;
526 }
527 } else {
528 port = DEFAULT_ADB_LOCAL_TRANSPORT_PORT;
529 }
530
531 snprintf(serial, sizeof(serial), "%s:%d", hostbuf, port);
532
Ken Liermane6cd0c82013-06-20 09:27:13 -0700533 fd = socket_network_client_timeout(hostbuf, port, SOCK_STREAM, 10);
Benoit Goby3f9f9ce2013-03-29 18:22:36 -0700534 if (fd < 0) {
535 snprintf(buffer, buffer_size, "unable to connect to %s:%d", host, port);
536 return;
537 }
538
539 D("client: connected on remote on fd %d\n", fd);
540 close_on_exec(fd);
541 disable_tcp_nagle(fd);
542
543 ret = register_socket_transport(fd, serial, port, 0);
544 if (ret < 0) {
545 adb_close(fd);
546 snprintf(buffer, buffer_size, "already connected to %s", serial);
547 } else {
548 snprintf(buffer, buffer_size, "connected to %s", serial);
549 }
550}
551
552void connect_emulator(char* port_spec, char* buffer, int buffer_size)
553{
554 char* port_separator = strchr(port_spec, ',');
555 if (!port_separator) {
556 snprintf(buffer, buffer_size,
557 "unable to parse '%s' as <console port>,<adb port>",
558 port_spec);
559 return;
560 }
561
562 // Zero-terminate console port and make port_separator point to 2nd port.
563 *port_separator++ = 0;
564 int console_port = strtol(port_spec, NULL, 0);
565 int adb_port = strtol(port_separator, NULL, 0);
566 if (!(console_port > 0 && adb_port > 0)) {
567 *(port_separator - 1) = ',';
568 snprintf(buffer, buffer_size,
569 "Invalid port numbers: Expected positive numbers, got '%s'",
570 port_spec);
571 return;
572 }
573
574 /* Check if the emulator is already known.
575 * Note: There's a small but harmless race condition here: An emulator not
576 * present just yet could be registered by another invocation right
577 * after doing this check here. However, local_connect protects
578 * against double-registration too. From here, a better error message
579 * can be produced. In the case of the race condition, the very specific
580 * error message won't be shown, but the data doesn't get corrupted. */
581 atransport* known_emulator = find_emulator_transport_by_adb_port(adb_port);
582 if (known_emulator != NULL) {
583 snprintf(buffer, buffer_size,
584 "Emulator on port %d already registered.", adb_port);
585 return;
586 }
587
588 /* Check if more emulators can be registered. Similar unproblematic
589 * race condition as above. */
590 int candidate_slot = get_available_local_transport_index();
591 if (candidate_slot < 0) {
592 snprintf(buffer, buffer_size, "Cannot accept more emulators.");
593 return;
594 }
595
596 /* Preconditions met, try to connect to the emulator. */
597 if (!local_connect_arbitrary_ports(console_port, adb_port)) {
598 snprintf(buffer, buffer_size,
599 "Connected to emulator on ports %d,%d", console_port, adb_port);
600 } else {
601 snprintf(buffer, buffer_size,
602 "Could not connect to emulator on ports %d,%d",
603 console_port, adb_port);
604 }
605}
606
607static void connect_service(int fd, void* cookie)
608{
609 char buf[4096];
610 char resp[4096];
611 char *host = cookie;
612
613 if (!strncmp(host, "emu:", 4)) {
614 connect_emulator(host + 4, buf, sizeof(buf));
615 } else {
616 connect_device(host, buf, sizeof(buf));
617 }
618
619 // Send response for emulator and device
620 snprintf(resp, sizeof(resp), "%04x%s",(unsigned)strlen(buf), buf);
621 writex(fd, resp, strlen(resp));
622 adb_close(fd);
623}
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800624#endif
625
626#if ADB_HOST
627asocket* host_service_to_socket(const char* name, const char *serial)
628{
629 if (!strcmp(name,"track-devices")) {
630 return create_device_tracker();
631 } else if (!strncmp(name, "wait-for-", strlen("wait-for-"))) {
632 struct state_info* sinfo = malloc(sizeof(struct state_info));
633
634 if (serial)
635 sinfo->serial = strdup(serial);
636 else
637 sinfo->serial = NULL;
638
639 name += strlen("wait-for-");
640
641 if (!strncmp(name, "local", strlen("local"))) {
642 sinfo->transport = kTransportLocal;
643 sinfo->state = CS_DEVICE;
644 } else if (!strncmp(name, "usb", strlen("usb"))) {
645 sinfo->transport = kTransportUsb;
646 sinfo->state = CS_DEVICE;
647 } else if (!strncmp(name, "any", strlen("any"))) {
648 sinfo->transport = kTransportAny;
649 sinfo->state = CS_DEVICE;
650 } else {
651 free(sinfo);
652 return NULL;
653 }
654
655 int fd = create_service_thread(wait_for_state, sinfo);
656 return create_local_socket(fd);
Benoit Goby3f9f9ce2013-03-29 18:22:36 -0700657 } else if (!strncmp(name, "connect:", 8)) {
658 const char *host = name + 8;
659 int fd = create_service_thread(connect_service, (void *)host);
660 return create_local_socket(fd);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800661 }
662 return NULL;
663}
664#endif /* ADB_HOST */