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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 Sharkeyc52ec1a2014-05-26 18:30:43 -0700187
188static void init_subproc_child()
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800189{
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700190 setsid();
191
Rom Lemarchand9d837e52014-06-20 16:30:54 -0700192 // Set OOM score adjustment to prevent killing
193 int fd = adb_open("/proc/self/oom_score_adj", O_WRONLY);
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700194 if (fd >= 0) {
195 adb_write(fd, "0", 1);
196 adb_close(fd);
197 } else {
Rom Lemarchand9d837e52014-06-20 16:30:54 -0700198 D("adb: unable to update oom_score_adj\n");
Jeff Sharkeyc52ec1a2014-05-26 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 Sharkeyc52ec1a2014-05-26 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 char *devname;
210 int ptm;
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800211
212 ptm = unix_open("/dev/ptmx", O_RDWR); // | O_NOCTTY);
213 if(ptm < 0){
214 printf("[ cannot open /dev/ptmx - %s ]\n",strerror(errno));
215 return -1;
216 }
217 fcntl(ptm, F_SETFD, FD_CLOEXEC);
218
219 if(grantpt(ptm) || unlockpt(ptm) ||
220 ((devname = (char*) ptsname(ptm)) == 0)){
221 printf("[ trouble with /dev/ptmx - %s ]\n", strerror(errno));
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700222 adb_close(ptm);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800223 return -1;
224 }
225
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700226 *pid = fork();
227 if(*pid < 0) {
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800228 printf("- fork failed: %s -\n", strerror(errno));
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700229 adb_close(ptm);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800230 return -1;
231 }
232
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700233 if (*pid == 0) {
234 init_subproc_child();
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800235
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700236 int pts = unix_open(devname, O_RDWR);
237 if (pts < 0) {
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700238 fprintf(stderr, "child failed to open pseudo-term slave: %s\n", devname);
239 exit(-1);
240 }
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800241
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700242 dup2(pts, STDIN_FILENO);
243 dup2(pts, STDOUT_FILENO);
244 dup2(pts, STDERR_FILENO);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800245
Benoit Gobyf4ded742011-02-01 18:57:41 -0800246 adb_close(pts);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800247 adb_close(ptm);
248
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700249 execl(cmd, cmd, arg0, arg1, NULL);
250 fprintf(stderr, "- exec '%s' failed: %s (%d) -\n",
251 cmd, strerror(errno), errno);
252 exit(-1);
253 } else {
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800254 return ptm;
255 }
Joe Onorato590bca72009-09-03 16:30:43 -0700256#endif /* !HAVE_WIN32_PROC */
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800257}
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700258
259static int create_subproc_raw(const char *cmd, const char *arg0, const char *arg1, pid_t *pid)
260{
261 D("create_subproc_raw(cmd=%s, arg0=%s, arg1=%s)\n", cmd, arg0, arg1);
262#ifdef HAVE_WIN32_PROC
263 fprintf(stderr, "error: create_subproc_raw not implemented on Win32 (%s %s %s)\n", cmd, arg0, arg1);
264 return -1;
265#else /* !HAVE_WIN32_PROC */
266
267 // 0 is parent socket, 1 is child socket
268 int sv[2];
269 if (unix_socketpair(AF_UNIX, SOCK_STREAM, 0, sv) < 0) {
270 printf("[ cannot create socket pair - %s ]\n", strerror(errno));
271 return -1;
272 }
273
274 *pid = fork();
275 if (*pid < 0) {
276 printf("- fork failed: %s -\n", strerror(errno));
277 adb_close(sv[0]);
278 adb_close(sv[1]);
279 return -1;
280 }
281
282 if (*pid == 0) {
283 adb_close(sv[0]);
284 init_subproc_child();
285
286 // Only hook up stdin/stdout; drop stderr
287 dup2(sv[1], STDIN_FILENO);
288 dup2(sv[1], STDOUT_FILENO);
289 adb_close(sv[1]);
290
291 execl(cmd, cmd, arg0, arg1, NULL);
292 fprintf(stderr, "- exec '%s' failed: %s (%d) -\n",
293 cmd, strerror(errno), errno);
294 exit(-1);
295 } else {
296 adb_close(sv[1]);
297 return sv[0];
298 }
299#endif /* !HAVE_WIN32_PROC */
300}
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700301#endif /* !ABD_HOST */
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800302
303#if ADB_HOST
304#define SHELL_COMMAND "/bin/sh"
305#else
306#define SHELL_COMMAND "/system/bin/sh"
307#endif
308
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700309#if !ADB_HOST
310static void subproc_waiter_service(int fd, void *cookie)
311{
Elliott Hughes9c0d9402014-01-16 10:53:11 -0800312 pid_t pid = (pid_t) (uintptr_t) cookie;
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700313
314 D("entered. fd=%d of pid=%d\n", fd, pid);
315 for (;;) {
316 int status;
317 pid_t p = waitpid(pid, &status, 0);
318 if (p == pid) {
319 D("fd=%d, post waitpid(pid=%d) status=%04x\n", fd, p, status);
320 if (WIFSIGNALED(status)) {
321 D("*** Killed by signal %d\n", WTERMSIG(status));
322 break;
323 } else if (!WIFEXITED(status)) {
324 D("*** Didn't exit!!. status %d\n", status);
325 break;
326 } else if (WEXITSTATUS(status) >= 0) {
327 D("*** Exit code %d\n", WEXITSTATUS(status));
328 break;
329 }
330 }
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700331 }
332 D("shell exited fd=%d of pid=%d err=%d\n", fd, pid, errno);
333 if (SHELL_EXIT_NOTIFY_FD >=0) {
334 int res;
335 res = writex(SHELL_EXIT_NOTIFY_FD, &fd, sizeof(fd));
336 D("notified shell exit via fd=%d for pid=%d res=%d errno=%d\n",
337 SHELL_EXIT_NOTIFY_FD, pid, res, errno);
338 }
339}
340
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700341static int create_subproc_thread(const char *name, const subproc_mode mode)
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700342{
343 stinfo *sti;
344 adb_thread_t t;
345 int ret_fd;
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700346 pid_t pid = -1;
347
348 const char *arg0, *arg1;
349 if (name == 0 || *name == 0) {
350 arg0 = "-"; arg1 = 0;
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700351 } else {
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700352 arg0 = "-c"; arg1 = name;
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700353 }
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700354
355 switch (mode) {
356 case SUBPROC_PTY:
357 ret_fd = create_subproc_pty(SHELL_COMMAND, arg0, arg1, &pid);
358 break;
359 case SUBPROC_RAW:
360 ret_fd = create_subproc_raw(SHELL_COMMAND, arg0, arg1, &pid);
361 break;
362 default:
363 fprintf(stderr, "invalid subproc_mode %d\n", mode);
364 return -1;
365 }
366 D("create_subproc ret_fd=%d pid=%d\n", ret_fd, pid);
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700367
368 sti = malloc(sizeof(stinfo));
369 if(sti == 0) fatal("cannot allocate stinfo");
370 sti->func = subproc_waiter_service;
Elliott Hughes9c0d9402014-01-16 10:53:11 -0800371 sti->cookie = (void*) (uintptr_t) pid;
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700372 sti->fd = ret_fd;
373
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700374 if (adb_thread_create(&t, service_bootstrap_func, sti)) {
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700375 free(sti);
376 adb_close(ret_fd);
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700377 fprintf(stderr, "cannot create service thread\n");
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700378 return -1;
379 }
380
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700381 D("service thread started, fd=%d pid=%d\n", ret_fd, pid);
JP Abgrall2e5dd6e2011-03-16 15:57:42 -0700382 return ret_fd;
383}
384#endif
385
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800386int service_to_fd(const char *name)
387{
388 int ret = -1;
389
390 if(!strncmp(name, "tcp:", 4)) {
391 int port = atoi(name + 4);
392 name = strchr(name + 4, ':');
393 if(name == 0) {
394 ret = socket_loopback_client(port, SOCK_STREAM);
395 if (ret >= 0)
396 disable_tcp_nagle(ret);
397 } else {
398#if ADB_HOST
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800399 ret = socket_network_client(name + 1, port, SOCK_STREAM);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800400#else
401 return -1;
402#endif
403 }
404#ifndef HAVE_WINSOCK /* winsock doesn't implement unix domain sockets */
405 } else if(!strncmp(name, "local:", 6)) {
406 ret = socket_local_client(name + 6,
407 ANDROID_SOCKET_NAMESPACE_RESERVED, SOCK_STREAM);
408 } else if(!strncmp(name, "localreserved:", 14)) {
409 ret = socket_local_client(name + 14,
410 ANDROID_SOCKET_NAMESPACE_RESERVED, SOCK_STREAM);
411 } else if(!strncmp(name, "localabstract:", 14)) {
412 ret = socket_local_client(name + 14,
413 ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM);
414 } else if(!strncmp(name, "localfilesystem:", 16)) {
415 ret = socket_local_client(name + 16,
416 ANDROID_SOCKET_NAMESPACE_FILESYSTEM, SOCK_STREAM);
417#endif
Benoit Goby12dc3692013-02-20 15:04:53 -0800418#if !ADB_HOST
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800419 } else if(!strncmp("dev:", name, 4)) {
420 ret = unix_open(name + 4, O_RDWR);
421 } else if(!strncmp(name, "framebuffer:", 12)) {
422 ret = create_service_thread(framebuffer_service, 0);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800423 } else if (!strncmp(name, "jdwp:", 5)) {
424 ret = create_jdwp_connection_fd(atoi(name+5));
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800425 } else if(!HOST && !strncmp(name, "shell:", 6)) {
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700426 ret = create_subproc_thread(name + 6, SUBPROC_PTY);
427 } else if(!HOST && !strncmp(name, "exec:", 5)) {
428 ret = create_subproc_thread(name + 5, SUBPROC_RAW);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800429 } else if(!strncmp(name, "sync:", 5)) {
430 ret = create_service_thread(file_sync_service, NULL);
431 } else if(!strncmp(name, "remount:", 8)) {
432 ret = create_service_thread(remount_service, NULL);
Mike Lockwood12a35ea2009-08-04 20:37:51 -0400433 } else if(!strncmp(name, "reboot:", 7)) {
Mike Lockwood1a855ae2009-09-19 16:52:58 -0400434 void* arg = strdup(name + 7);
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700435 if (arg == NULL) return -1;
Mike Lockwood1a855ae2009-09-19 16:52:58 -0400436 ret = create_service_thread(reboot_service, arg);
The Android Open Source Project9c753402009-03-13 13:04:37 -0700437 } else if(!strncmp(name, "root:", 5)) {
438 ret = create_service_thread(restart_root_service, NULL);
Christopher Tate73779122011-04-21 12:53:28 -0700439 } else if(!strncmp(name, "backup:", 7)) {
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700440 char* arg = strdup(name + 7);
Christopher Tate73779122011-04-21 12:53:28 -0700441 if (arg == NULL) return -1;
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700442 char* c = arg;
443 for (; *c != '\0'; c++) {
444 if (*c == ':')
445 *c = ' ';
446 }
447 char* cmd;
448 if (asprintf(&cmd, "/system/bin/bu backup %s", arg) != -1) {
449 ret = create_subproc_thread(cmd, SUBPROC_RAW);
450 free(cmd);
451 }
452 free(arg);
Christopher Tatecf5379b2011-05-17 15:52:54 -0700453 } else if(!strncmp(name, "restore:", 8)) {
Jeff Sharkeyc52ec1a2014-05-26 18:30:43 -0700454 ret = create_subproc_thread("/system/bin/bu restore", SUBPROC_RAW);
Mike Lockwood26b88e32009-08-24 15:58:40 -0700455 } else if(!strncmp(name, "tcpip:", 6)) {
456 int port;
457 if (sscanf(name + 6, "%d", &port) == 0) {
458 port = 0;
459 }
Elliott Hughes9c0d9402014-01-16 10:53:11 -0800460 ret = create_service_thread(restart_tcp_service, (void *) (uintptr_t) port);
Mike Lockwood26b88e32009-08-24 15:58:40 -0700461 } else if(!strncmp(name, "usb:", 4)) {
462 ret = create_service_thread(restart_usb_service, NULL);
David 'Digit' Turner963a4492013-03-21 21:07:42 +0100463 } else if (!strncmp(name, "reverse:", 8)) {
464 char* cookie = strdup(name + 8);
465 if (cookie == NULL) {
466 ret = -1;
467 } else {
468 ret = create_service_thread(reverse_service, cookie);
469 if (ret < 0) {
470 free(cookie);
471 }
472 }
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800473#endif
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800474 }
475 if (ret >= 0) {
476 close_on_exec(ret);
477 }
478 return ret;
479}
480
481#if ADB_HOST
482struct state_info {
483 transport_type transport;
484 char* serial;
485 int state;
486};
487
488static void wait_for_state(int fd, void* cookie)
489{
490 struct state_info* sinfo = cookie;
491 char* err = "unknown error";
492
493 D("wait_for_state %d\n", sinfo->state);
494
495 atransport *t = acquire_one_transport(sinfo->state, sinfo->transport, sinfo->serial, &err);
496 if(t != 0) {
497 writex(fd, "OKAY", 4);
498 } else {
499 sendfailmsg(fd, err);
500 }
501
502 if (sinfo->serial)
503 free(sinfo->serial);
504 free(sinfo);
505 adb_close(fd);
506 D("wait_for_state is done\n");
507}
Benoit Goby3f9f9ce2013-03-29 18:22:36 -0700508
509static void connect_device(char* host, char* buffer, int buffer_size)
510{
511 int port, fd;
512 char* portstr = strchr(host, ':');
513 char hostbuf[100];
514 char serial[100];
515 int ret;
516
517 strncpy(hostbuf, host, sizeof(hostbuf) - 1);
518 if (portstr) {
519 if (portstr - host >= (ptrdiff_t)sizeof(hostbuf)) {
520 snprintf(buffer, buffer_size, "bad host name %s", host);
521 return;
522 }
523 // zero terminate the host at the point we found the colon
524 hostbuf[portstr - host] = 0;
525 if (sscanf(portstr + 1, "%d", &port) == 0) {
526 snprintf(buffer, buffer_size, "bad port number %s", portstr);
527 return;
528 }
529 } else {
530 port = DEFAULT_ADB_LOCAL_TRANSPORT_PORT;
531 }
532
533 snprintf(serial, sizeof(serial), "%s:%d", hostbuf, port);
534
Ken Liermane6cd0c82013-06-20 09:27:13 -0700535 fd = socket_network_client_timeout(hostbuf, port, SOCK_STREAM, 10);
Benoit Goby3f9f9ce2013-03-29 18:22:36 -0700536 if (fd < 0) {
537 snprintf(buffer, buffer_size, "unable to connect to %s:%d", host, port);
538 return;
539 }
540
541 D("client: connected on remote on fd %d\n", fd);
542 close_on_exec(fd);
543 disable_tcp_nagle(fd);
544
545 ret = register_socket_transport(fd, serial, port, 0);
546 if (ret < 0) {
547 adb_close(fd);
548 snprintf(buffer, buffer_size, "already connected to %s", serial);
549 } else {
550 snprintf(buffer, buffer_size, "connected to %s", serial);
551 }
552}
553
554void connect_emulator(char* port_spec, char* buffer, int buffer_size)
555{
556 char* port_separator = strchr(port_spec, ',');
557 if (!port_separator) {
558 snprintf(buffer, buffer_size,
559 "unable to parse '%s' as <console port>,<adb port>",
560 port_spec);
561 return;
562 }
563
564 // Zero-terminate console port and make port_separator point to 2nd port.
565 *port_separator++ = 0;
566 int console_port = strtol(port_spec, NULL, 0);
567 int adb_port = strtol(port_separator, NULL, 0);
568 if (!(console_port > 0 && adb_port > 0)) {
569 *(port_separator - 1) = ',';
570 snprintf(buffer, buffer_size,
571 "Invalid port numbers: Expected positive numbers, got '%s'",
572 port_spec);
573 return;
574 }
575
576 /* Check if the emulator is already known.
577 * Note: There's a small but harmless race condition here: An emulator not
578 * present just yet could be registered by another invocation right
579 * after doing this check here. However, local_connect protects
580 * against double-registration too. From here, a better error message
581 * can be produced. In the case of the race condition, the very specific
582 * error message won't be shown, but the data doesn't get corrupted. */
583 atransport* known_emulator = find_emulator_transport_by_adb_port(adb_port);
584 if (known_emulator != NULL) {
585 snprintf(buffer, buffer_size,
586 "Emulator on port %d already registered.", adb_port);
587 return;
588 }
589
590 /* Check if more emulators can be registered. Similar unproblematic
591 * race condition as above. */
592 int candidate_slot = get_available_local_transport_index();
593 if (candidate_slot < 0) {
594 snprintf(buffer, buffer_size, "Cannot accept more emulators.");
595 return;
596 }
597
598 /* Preconditions met, try to connect to the emulator. */
599 if (!local_connect_arbitrary_ports(console_port, adb_port)) {
600 snprintf(buffer, buffer_size,
601 "Connected to emulator on ports %d,%d", console_port, adb_port);
602 } else {
603 snprintf(buffer, buffer_size,
604 "Could not connect to emulator on ports %d,%d",
605 console_port, adb_port);
606 }
607}
608
609static void connect_service(int fd, void* cookie)
610{
611 char buf[4096];
612 char resp[4096];
613 char *host = cookie;
614
615 if (!strncmp(host, "emu:", 4)) {
616 connect_emulator(host + 4, buf, sizeof(buf));
617 } else {
618 connect_device(host, buf, sizeof(buf));
619 }
620
621 // Send response for emulator and device
622 snprintf(resp, sizeof(resp), "%04x%s",(unsigned)strlen(buf), buf);
623 writex(fd, resp, strlen(resp));
624 adb_close(fd);
625}
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800626#endif
627
628#if ADB_HOST
629asocket* host_service_to_socket(const char* name, const char *serial)
630{
631 if (!strcmp(name,"track-devices")) {
632 return create_device_tracker();
633 } else if (!strncmp(name, "wait-for-", strlen("wait-for-"))) {
634 struct state_info* sinfo = malloc(sizeof(struct state_info));
635
636 if (serial)
637 sinfo->serial = strdup(serial);
638 else
639 sinfo->serial = NULL;
640
641 name += strlen("wait-for-");
642
643 if (!strncmp(name, "local", strlen("local"))) {
644 sinfo->transport = kTransportLocal;
645 sinfo->state = CS_DEVICE;
646 } else if (!strncmp(name, "usb", strlen("usb"))) {
647 sinfo->transport = kTransportUsb;
648 sinfo->state = CS_DEVICE;
649 } else if (!strncmp(name, "any", strlen("any"))) {
650 sinfo->transport = kTransportAny;
651 sinfo->state = CS_DEVICE;
652 } else {
653 free(sinfo);
654 return NULL;
655 }
656
657 int fd = create_service_thread(wait_for_state, sinfo);
658 return create_local_socket(fd);
Benoit Goby3f9f9ce2013-03-29 18:22:36 -0700659 } else if (!strncmp(name, "connect:", 8)) {
660 const char *host = name + 8;
661 int fd = create_service_thread(connect_service, (void *)host);
662 return create_local_socket(fd);
The Android Open Source Project9ca14dc2009-03-03 19:32:55 -0800663 }
664 return NULL;
665}
666#endif /* ADB_HOST */