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
17 #define TRACE_TAG TRACE_ADB
18
19 #include "sysdeps.h"
20 #include "adb.h"
21
22 #include <ctype.h>
23 #include <errno.h>
24 #include <stdarg.h>
25 #include <stddef.h>
26 #include <stdint.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <sys/time.h>
31 #include <time.h>
32
33 #include <string>
34
35 #include <base/stringprintf.h>
36 #include <base/strings.h>
37
38 #include "adb_auth.h"
39 #include "adb_io.h"
40 #include "adb_listeners.h"
41 #include "transport.h"
42
43 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
44
45 #if !ADB_HOST
46 #include <cutils/properties.h>
47 #include <sys/capability.h>
48 #include <sys/mount.h>
49 #endif
50
51 ADB_MUTEX_DEFINE( D_lock );
52
53 int HOST = 0;
54
55 #if !ADB_HOST
56 const char *adb_device_banner = "device";
57 #endif
58
fatal(const char * fmt,...)59 void fatal(const char *fmt, ...)
60 {
61 va_list ap;
62 va_start(ap, fmt);
63 fprintf(stderr, "error: ");
64 vfprintf(stderr, fmt, ap);
65 fprintf(stderr, "\n");
66 va_end(ap);
67 exit(-1);
68 }
69
fatal_errno(const char * fmt,...)70 void fatal_errno(const char *fmt, ...)
71 {
72 va_list ap;
73 va_start(ap, fmt);
74 fprintf(stderr, "error: %s: ", strerror(errno));
75 vfprintf(stderr, fmt, ap);
76 fprintf(stderr, "\n");
77 va_end(ap);
78 exit(-1);
79 }
80
81 #if !ADB_HOST
start_device_log(void)82 void start_device_log(void) {
83 struct tm now;
84 time_t t;
85 tzset();
86 time(&t);
87 localtime_r(&t, &now);
88
89 char timestamp[PATH_MAX];
90 strftime(timestamp, sizeof(timestamp), "%Y-%m-%d-%H-%M-%S", &now);
91
92 std::string path = android::base::StringPrintf("/data/adb/adb-%s-%d", timestamp, getpid());
93 int fd = unix_open(path.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, 0640);
94 if (fd == -1) {
95 return;
96 }
97
98 // redirect stdout and stderr to the log file
99 dup2(fd, STDOUT_FILENO);
100 dup2(fd, STDERR_FILENO);
101 fprintf(stderr, "--- adb starting (pid %d) ---\n", getpid());
102 adb_close(fd);
103 }
104 #endif
105
106 int adb_trace_mask;
107
get_trace_setting_from_env()108 std::string get_trace_setting_from_env() {
109 const char* setting = getenv("ADB_TRACE");
110 if (setting == nullptr) {
111 setting = "";
112 }
113
114 return std::string(setting);
115 }
116
117 #if !ADB_HOST
get_trace_setting_from_prop()118 std::string get_trace_setting_from_prop() {
119 char buf[PROPERTY_VALUE_MAX];
120 property_get("persist.adb.trace_mask", buf, "");
121 return std::string(buf);
122 }
123 #endif
124
get_trace_setting()125 std::string get_trace_setting() {
126 #if ADB_HOST
127 return get_trace_setting_from_env();
128 #else
129 return get_trace_setting_from_prop();
130 #endif
131 }
132
133 // Split the comma/space/colum/semi-column separated list of tags from the trace
134 // setting and build the trace mask from it. note that '1' and 'all' are special
135 // cases to enable all tracing.
136 //
137 // adb's trace setting comes from the ADB_TRACE environment variable, whereas
138 // adbd's comes from the system property persist.adb.trace_mask.
adb_trace_init()139 void adb_trace_init() {
140 const std::string trace_setting = get_trace_setting();
141
142 static const struct {
143 const char* tag;
144 int flag;
145 } tags[] = {
146 { "1", 0 },
147 { "all", 0 },
148 { "adb", TRACE_ADB },
149 { "sockets", TRACE_SOCKETS },
150 { "packets", TRACE_PACKETS },
151 { "rwx", TRACE_RWX },
152 { "usb", TRACE_USB },
153 { "sync", TRACE_SYNC },
154 { "sysdeps", TRACE_SYSDEPS },
155 { "transport", TRACE_TRANSPORT },
156 { "jdwp", TRACE_JDWP },
157 { "services", TRACE_SERVICES },
158 { "auth", TRACE_AUTH },
159 { NULL, 0 }
160 };
161
162 if (trace_setting.empty()) {
163 return;
164 }
165
166 // Use a comma/colon/semi-colon/space separated list
167 const char* p = trace_setting.c_str();
168 while (*p) {
169 int len, tagn;
170
171 const char* q = strpbrk(p, " ,:;");
172 if (q == NULL) {
173 q = p + strlen(p);
174 }
175 len = q - p;
176
177 for (tagn = 0; tags[tagn].tag != NULL; tagn++) {
178 int taglen = strlen(tags[tagn].tag);
179
180 if (len == taglen && !memcmp(tags[tagn].tag, p, len)) {
181 int flag = tags[tagn].flag;
182 if (flag == 0) {
183 adb_trace_mask = ~0;
184 return;
185 }
186 adb_trace_mask |= (1 << flag);
187 break;
188 }
189 }
190 p = q;
191 if (*p)
192 p++;
193 }
194
195 #if !ADB_HOST
196 start_device_log();
197 #endif
198 }
199
get_apacket(void)200 apacket* get_apacket(void)
201 {
202 apacket* p = reinterpret_cast<apacket*>(malloc(sizeof(apacket)));
203 if (p == nullptr) {
204 fatal("failed to allocate an apacket");
205 }
206
207 memset(p, 0, sizeof(apacket) - MAX_PAYLOAD);
208 return p;
209 }
210
put_apacket(apacket * p)211 void put_apacket(apacket *p)
212 {
213 free(p);
214 }
215
handle_online(atransport * t)216 void handle_online(atransport *t)
217 {
218 D("adb: online\n");
219 t->online = 1;
220 }
221
handle_offline(atransport * t)222 void handle_offline(atransport *t)
223 {
224 D("adb: offline\n");
225 //Close the associated usb
226 t->online = 0;
227 run_transport_disconnects(t);
228 }
229
230 #if DEBUG_PACKETS
231 #define DUMPMAX 32
print_packet(const char * label,apacket * p)232 void print_packet(const char *label, apacket *p)
233 {
234 char *tag;
235 char *x;
236 unsigned count;
237
238 switch(p->msg.command){
239 case A_SYNC: tag = "SYNC"; break;
240 case A_CNXN: tag = "CNXN" ; break;
241 case A_OPEN: tag = "OPEN"; break;
242 case A_OKAY: tag = "OKAY"; break;
243 case A_CLSE: tag = "CLSE"; break;
244 case A_WRTE: tag = "WRTE"; break;
245 case A_AUTH: tag = "AUTH"; break;
246 default: tag = "????"; break;
247 }
248
249 fprintf(stderr, "%s: %s %08x %08x %04x \"",
250 label, tag, p->msg.arg0, p->msg.arg1, p->msg.data_length);
251 count = p->msg.data_length;
252 x = (char*) p->data;
253 if(count > DUMPMAX) {
254 count = DUMPMAX;
255 tag = "\n";
256 } else {
257 tag = "\"\n";
258 }
259 while(count-- > 0){
260 if((*x >= ' ') && (*x < 127)) {
261 fputc(*x, stderr);
262 } else {
263 fputc('.', stderr);
264 }
265 x++;
266 }
267 fputs(tag, stderr);
268 }
269 #endif
270
send_ready(unsigned local,unsigned remote,atransport * t)271 static void send_ready(unsigned local, unsigned remote, atransport *t)
272 {
273 D("Calling send_ready \n");
274 apacket *p = get_apacket();
275 p->msg.command = A_OKAY;
276 p->msg.arg0 = local;
277 p->msg.arg1 = remote;
278 send_packet(p, t);
279 }
280
send_close(unsigned local,unsigned remote,atransport * t)281 static void send_close(unsigned local, unsigned remote, atransport *t)
282 {
283 D("Calling send_close \n");
284 apacket *p = get_apacket();
285 p->msg.command = A_CLSE;
286 p->msg.arg0 = local;
287 p->msg.arg1 = remote;
288 send_packet(p, t);
289 }
290
fill_connect_data(char * buf,size_t bufsize)291 static size_t fill_connect_data(char *buf, size_t bufsize)
292 {
293 #if ADB_HOST
294 return snprintf(buf, bufsize, "host::") + 1;
295 #else
296 static const char *cnxn_props[] = {
297 "ro.product.name",
298 "ro.product.model",
299 "ro.product.device",
300 };
301 static const int num_cnxn_props = ARRAY_SIZE(cnxn_props);
302 int i;
303 size_t remaining = bufsize;
304 size_t len;
305
306 len = snprintf(buf, remaining, "%s::", adb_device_banner);
307 remaining -= len;
308 buf += len;
309 for (i = 0; i < num_cnxn_props; i++) {
310 char value[PROPERTY_VALUE_MAX];
311 property_get(cnxn_props[i], value, "");
312 len = snprintf(buf, remaining, "%s=%s;", cnxn_props[i], value);
313 remaining -= len;
314 buf += len;
315 }
316
317 return bufsize - remaining + 1;
318 #endif
319 }
320
send_connect(atransport * t)321 void send_connect(atransport *t)
322 {
323 D("Calling send_connect \n");
324 apacket *cp = get_apacket();
325 cp->msg.command = A_CNXN;
326 cp->msg.arg0 = A_VERSION;
327 cp->msg.arg1 = MAX_PAYLOAD;
328 cp->msg.data_length = fill_connect_data((char *)cp->data,
329 sizeof(cp->data));
330 send_packet(cp, t);
331 }
332
333 // qual_overwrite is used to overwrite a qualifier string. dst is a
334 // pointer to a char pointer. It is assumed that if *dst is non-NULL, it
335 // was malloc'ed and needs to freed. *dst will be set to a dup of src.
336 // TODO: switch to std::string for these atransport fields instead.
qual_overwrite(char ** dst,const std::string & src)337 static void qual_overwrite(char** dst, const std::string& src) {
338 free(*dst);
339 *dst = strdup(src.c_str());
340 }
341
parse_banner(const char * banner,atransport * t)342 void parse_banner(const char* banner, atransport* t) {
343 D("parse_banner: %s\n", banner);
344
345 // The format is something like:
346 // "device::ro.product.name=x;ro.product.model=y;ro.product.device=z;".
347 std::vector<std::string> pieces = android::base::Split(banner, ":");
348
349 if (pieces.size() > 2) {
350 const std::string& props = pieces[2];
351 for (auto& prop : android::base::Split(props, ";")) {
352 // The list of properties was traditionally ;-terminated rather than ;-separated.
353 if (prop.empty()) continue;
354
355 std::vector<std::string> key_value = android::base::Split(prop, "=");
356 if (key_value.size() != 2) continue;
357
358 const std::string& key = key_value[0];
359 const std::string& value = key_value[1];
360 if (key == "ro.product.name") {
361 qual_overwrite(&t->product, value);
362 } else if (key == "ro.product.model") {
363 qual_overwrite(&t->model, value);
364 } else if (key == "ro.product.device") {
365 qual_overwrite(&t->device, value);
366 }
367 }
368 }
369
370 const std::string& type = pieces[0];
371 if (type == "bootloader") {
372 D("setting connection_state to CS_BOOTLOADER\n");
373 t->connection_state = CS_BOOTLOADER;
374 update_transports();
375 } else if (type == "device") {
376 D("setting connection_state to CS_DEVICE\n");
377 t->connection_state = CS_DEVICE;
378 update_transports();
379 } else if (type == "recovery") {
380 D("setting connection_state to CS_RECOVERY\n");
381 t->connection_state = CS_RECOVERY;
382 update_transports();
383 } else if (type == "sideload") {
384 D("setting connection_state to CS_SIDELOAD\n");
385 t->connection_state = CS_SIDELOAD;
386 update_transports();
387 } else {
388 D("setting connection_state to CS_HOST\n");
389 t->connection_state = CS_HOST;
390 }
391 }
392
handle_packet(apacket * p,atransport * t)393 void handle_packet(apacket *p, atransport *t)
394 {
395 asocket *s;
396
397 D("handle_packet() %c%c%c%c\n", ((char*) (&(p->msg.command)))[0],
398 ((char*) (&(p->msg.command)))[1],
399 ((char*) (&(p->msg.command)))[2],
400 ((char*) (&(p->msg.command)))[3]);
401 print_packet("recv", p);
402
403 switch(p->msg.command){
404 case A_SYNC:
405 if(p->msg.arg0){
406 send_packet(p, t);
407 if(HOST) send_connect(t);
408 } else {
409 t->connection_state = CS_OFFLINE;
410 handle_offline(t);
411 send_packet(p, t);
412 }
413 return;
414
415 case A_CNXN: /* CONNECT(version, maxdata, "system-id-string") */
416 /* XXX verify version, etc */
417 if(t->connection_state != CS_OFFLINE) {
418 t->connection_state = CS_OFFLINE;
419 handle_offline(t);
420 }
421
422 parse_banner(reinterpret_cast<const char*>(p->data), t);
423
424 if (HOST || !auth_required) {
425 handle_online(t);
426 if (!HOST) send_connect(t);
427 } else {
428 send_auth_request(t);
429 }
430 break;
431
432 case A_AUTH:
433 if (p->msg.arg0 == ADB_AUTH_TOKEN) {
434 t->connection_state = CS_UNAUTHORIZED;
435 t->key = adb_auth_nextkey(t->key);
436 if (t->key) {
437 send_auth_response(p->data, p->msg.data_length, t);
438 } else {
439 /* No more private keys to try, send the public key */
440 send_auth_publickey(t);
441 }
442 } else if (p->msg.arg0 == ADB_AUTH_SIGNATURE) {
443 if (adb_auth_verify(t->token, p->data, p->msg.data_length)) {
444 adb_auth_verified(t);
445 t->failed_auth_attempts = 0;
446 } else {
447 if (t->failed_auth_attempts++ > 10)
448 adb_sleep_ms(1000);
449 send_auth_request(t);
450 }
451 } else if (p->msg.arg0 == ADB_AUTH_RSAPUBLICKEY) {
452 adb_auth_confirm_key(p->data, p->msg.data_length, t);
453 }
454 break;
455
456 case A_OPEN: /* OPEN(local-id, 0, "destination") */
457 if (t->online && p->msg.arg0 != 0 && p->msg.arg1 == 0) {
458 char *name = (char*) p->data;
459 name[p->msg.data_length > 0 ? p->msg.data_length - 1 : 0] = 0;
460 s = create_local_service_socket(name);
461 if(s == 0) {
462 send_close(0, p->msg.arg0, t);
463 } else {
464 s->peer = create_remote_socket(p->msg.arg0, t);
465 s->peer->peer = s;
466 send_ready(s->id, s->peer->id, t);
467 s->ready(s);
468 }
469 }
470 break;
471
472 case A_OKAY: /* READY(local-id, remote-id, "") */
473 if (t->online && p->msg.arg0 != 0 && p->msg.arg1 != 0) {
474 if((s = find_local_socket(p->msg.arg1, 0))) {
475 if(s->peer == 0) {
476 /* On first READY message, create the connection. */
477 s->peer = create_remote_socket(p->msg.arg0, t);
478 s->peer->peer = s;
479 s->ready(s);
480 } else if (s->peer->id == p->msg.arg0) {
481 /* Other READY messages must use the same local-id */
482 s->ready(s);
483 } else {
484 D("Invalid A_OKAY(%d,%d), expected A_OKAY(%d,%d) on transport %s\n",
485 p->msg.arg0, p->msg.arg1, s->peer->id, p->msg.arg1, t->serial);
486 }
487 }
488 }
489 break;
490
491 case A_CLSE: /* CLOSE(local-id, remote-id, "") or CLOSE(0, remote-id, "") */
492 if (t->online && p->msg.arg1 != 0) {
493 if((s = find_local_socket(p->msg.arg1, p->msg.arg0))) {
494 /* According to protocol.txt, p->msg.arg0 might be 0 to indicate
495 * a failed OPEN only. However, due to a bug in previous ADB
496 * versions, CLOSE(0, remote-id, "") was also used for normal
497 * CLOSE() operations.
498 *
499 * This is bad because it means a compromised adbd could
500 * send packets to close connections between the host and
501 * other devices. To avoid this, only allow this if the local
502 * socket has a peer on the same transport.
503 */
504 if (p->msg.arg0 == 0 && s->peer && s->peer->transport != t) {
505 D("Invalid A_CLSE(0, %u) from transport %s, expected transport %s\n",
506 p->msg.arg1, t->serial, s->peer->transport->serial);
507 } else {
508 s->close(s);
509 }
510 }
511 }
512 break;
513
514 case A_WRTE: /* WRITE(local-id, remote-id, <data>) */
515 if (t->online && p->msg.arg0 != 0 && p->msg.arg1 != 0) {
516 if((s = find_local_socket(p->msg.arg1, p->msg.arg0))) {
517 unsigned rid = p->msg.arg0;
518 p->len = p->msg.data_length;
519
520 if(s->enqueue(s, p) == 0) {
521 D("Enqueue the socket\n");
522 send_ready(s->id, rid, t);
523 }
524 return;
525 }
526 }
527 break;
528
529 default:
530 printf("handle_packet: what is %08x?!\n", p->msg.command);
531 }
532
533 put_apacket(p);
534 }
535
536 #if ADB_HOST
537
launch_server(int server_port)538 int launch_server(int server_port)
539 {
540 #if defined(_WIN32)
541 /* we need to start the server in the background */
542 /* we create a PIPE that will be used to wait for the server's "OK" */
543 /* message since the pipe handles must be inheritable, we use a */
544 /* security attribute */
545 HANDLE pipe_read, pipe_write;
546 HANDLE stdout_handle, stderr_handle;
547 SECURITY_ATTRIBUTES sa;
548 STARTUPINFO startup;
549 PROCESS_INFORMATION pinfo;
550 char program_path[ MAX_PATH ];
551 int ret;
552
553 sa.nLength = sizeof(sa);
554 sa.lpSecurityDescriptor = NULL;
555 sa.bInheritHandle = TRUE;
556
557 /* create pipe, and ensure its read handle isn't inheritable */
558 ret = CreatePipe( &pipe_read, &pipe_write, &sa, 0 );
559 if (!ret) {
560 fprintf(stderr, "CreatePipe() failure, error %ld\n", GetLastError() );
561 return -1;
562 }
563
564 SetHandleInformation( pipe_read, HANDLE_FLAG_INHERIT, 0 );
565
566 /* Some programs want to launch an adb command and collect its output by
567 * calling CreateProcess with inheritable stdout/stderr handles, then
568 * using read() to get its output. When this happens, the stdout/stderr
569 * handles passed to the adb client process will also be inheritable.
570 * When starting the adb server here, care must be taken to reset them
571 * to non-inheritable.
572 * Otherwise, something bad happens: even if the adb command completes,
573 * the calling process is stuck while read()-ing from the stdout/stderr
574 * descriptors, because they're connected to corresponding handles in the
575 * adb server process (even if the latter never uses/writes to them).
576 */
577 stdout_handle = GetStdHandle( STD_OUTPUT_HANDLE );
578 stderr_handle = GetStdHandle( STD_ERROR_HANDLE );
579 if (stdout_handle != INVALID_HANDLE_VALUE) {
580 SetHandleInformation( stdout_handle, HANDLE_FLAG_INHERIT, 0 );
581 }
582 if (stderr_handle != INVALID_HANDLE_VALUE) {
583 SetHandleInformation( stderr_handle, HANDLE_FLAG_INHERIT, 0 );
584 }
585
586 ZeroMemory( &startup, sizeof(startup) );
587 startup.cb = sizeof(startup);
588 startup.hStdInput = GetStdHandle( STD_INPUT_HANDLE );
589 startup.hStdOutput = pipe_write;
590 startup.hStdError = GetStdHandle( STD_ERROR_HANDLE );
591 startup.dwFlags = STARTF_USESTDHANDLES;
592
593 ZeroMemory( &pinfo, sizeof(pinfo) );
594
595 /* get path of current program */
596 GetModuleFileName( NULL, program_path, sizeof(program_path) );
597 char args[64];
598 snprintf(args, sizeof(args), "adb -P %d fork-server server", server_port);
599 ret = CreateProcess(
600 program_path, /* program path */
601 args,
602 /* the fork-server argument will set the
603 debug = 2 in the child */
604 NULL, /* process handle is not inheritable */
605 NULL, /* thread handle is not inheritable */
606 TRUE, /* yes, inherit some handles */
607 DETACHED_PROCESS, /* the new process doesn't have a console */
608 NULL, /* use parent's environment block */
609 NULL, /* use parent's starting directory */
610 &startup, /* startup info, i.e. std handles */
611 &pinfo );
612
613 CloseHandle( pipe_write );
614
615 if (!ret) {
616 fprintf(stderr, "CreateProcess failure, error %ld\n", GetLastError() );
617 CloseHandle( pipe_read );
618 return -1;
619 }
620
621 CloseHandle( pinfo.hProcess );
622 CloseHandle( pinfo.hThread );
623
624 /* wait for the "OK\n" message */
625 {
626 char temp[3];
627 DWORD count;
628
629 ret = ReadFile( pipe_read, temp, 3, &count, NULL );
630 CloseHandle( pipe_read );
631 if ( !ret ) {
632 fprintf(stderr, "could not read ok from ADB Server, error = %ld\n", GetLastError() );
633 return -1;
634 }
635 if (count != 3 || temp[0] != 'O' || temp[1] != 'K' || temp[2] != '\n') {
636 fprintf(stderr, "ADB server didn't ACK\n" );
637 return -1;
638 }
639 }
640 #else /* !defined(_WIN32) */
641 char path[PATH_MAX];
642 int fd[2];
643
644 // set up a pipe so the child can tell us when it is ready.
645 // fd[0] will be parent's end, and fd[1] will get mapped to stderr in the child.
646 if (pipe(fd)) {
647 fprintf(stderr, "pipe failed in launch_server, errno: %d\n", errno);
648 return -1;
649 }
650 get_my_path(path, PATH_MAX);
651 pid_t pid = fork();
652 if(pid < 0) return -1;
653
654 if (pid == 0) {
655 // child side of the fork
656
657 // redirect stderr to the pipe
658 // we use stderr instead of stdout due to stdout's buffering behavior.
659 adb_close(fd[0]);
660 dup2(fd[1], STDERR_FILENO);
661 adb_close(fd[1]);
662
663 char str_port[30];
664 snprintf(str_port, sizeof(str_port), "%d", server_port);
665 // child process
666 int result = execl(path, "adb", "-P", str_port, "fork-server", "server", NULL);
667 // this should not return
668 fprintf(stderr, "OOPS! execl returned %d, errno: %d\n", result, errno);
669 } else {
670 // parent side of the fork
671
672 char temp[3];
673
674 temp[0] = 'A'; temp[1] = 'B'; temp[2] = 'C';
675 // wait for the "OK\n" message
676 adb_close(fd[1]);
677 int ret = adb_read(fd[0], temp, 3);
678 int saved_errno = errno;
679 adb_close(fd[0]);
680 if (ret < 0) {
681 fprintf(stderr, "could not read ok from ADB Server, errno = %d\n", saved_errno);
682 return -1;
683 }
684 if (ret != 3 || temp[0] != 'O' || temp[1] != 'K' || temp[2] != '\n') {
685 fprintf(stderr, "ADB server didn't ACK\n" );
686 return -1;
687 }
688
689 setsid();
690 }
691 #endif /* !defined(_WIN32) */
692 return 0;
693 }
694 #endif /* ADB_HOST */
695
696 // Try to handle a network forwarding request.
697 // This returns 1 on success, 0 on failure, and -1 to indicate this is not
698 // a forwarding-related request.
handle_forward_request(const char * service,transport_type ttype,char * serial,int reply_fd)699 int handle_forward_request(const char* service, transport_type ttype, char* serial, int reply_fd)
700 {
701 if (!strcmp(service, "list-forward")) {
702 // Create the list of forward redirections.
703 std::string listeners = format_listeners();
704 #if ADB_HOST
705 SendOkay(reply_fd);
706 #endif
707 SendProtocolString(reply_fd, listeners);
708 return 1;
709 }
710
711 if (!strcmp(service, "killforward-all")) {
712 remove_all_listeners();
713 #if ADB_HOST
714 /* On the host: 1st OKAY is connect, 2nd OKAY is status */
715 SendOkay(reply_fd);
716 #endif
717 SendOkay(reply_fd);
718 return 1;
719 }
720
721 if (!strncmp(service, "forward:",8) ||
722 !strncmp(service, "killforward:",12)) {
723 char *local, *remote;
724 atransport *transport;
725
726 int createForward = strncmp(service, "kill", 4);
727 int no_rebind = 0;
728
729 local = strchr(service, ':') + 1;
730
731 // Handle forward:norebind:<local>... here
732 if (createForward && !strncmp(local, "norebind:", 9)) {
733 no_rebind = 1;
734 local = strchr(local, ':') + 1;
735 }
736
737 remote = strchr(local,';');
738
739 if (createForward) {
740 // Check forward: parameter format: '<local>;<remote>'
741 if(remote == 0) {
742 SendFail(reply_fd, "malformed forward spec");
743 return 1;
744 }
745
746 *remote++ = 0;
747 if((local[0] == 0) || (remote[0] == 0) || (remote[0] == '*')) {
748 SendFail(reply_fd, "malformed forward spec");
749 return 1;
750 }
751 } else {
752 // Check killforward: parameter format: '<local>'
753 if (local[0] == 0) {
754 SendFail(reply_fd, "malformed forward spec");
755 return 1;
756 }
757 }
758
759 std::string error_msg;
760 transport = acquire_one_transport(CS_ANY, ttype, serial, &error_msg);
761 if (!transport) {
762 SendFail(reply_fd, error_msg);
763 return 1;
764 }
765
766 install_status_t r;
767 if (createForward) {
768 r = install_listener(local, remote, transport, no_rebind);
769 } else {
770 r = remove_listener(local, transport);
771 }
772 if (r == INSTALL_STATUS_OK) {
773 #if ADB_HOST
774 /* On the host: 1st OKAY is connect, 2nd OKAY is status */
775 SendOkay(reply_fd);
776 #endif
777 SendOkay(reply_fd);
778 return 1;
779 }
780
781 std::string message;
782 switch (r) {
783 case INSTALL_STATUS_OK: message = " "; break;
784 case INSTALL_STATUS_INTERNAL_ERROR: message = "internal error"; break;
785 case INSTALL_STATUS_CANNOT_BIND:
786 message = android::base::StringPrintf("cannot bind to socket: %s", strerror(errno));
787 break;
788 case INSTALL_STATUS_CANNOT_REBIND:
789 message = android::base::StringPrintf("cannot rebind existing socket: %s", strerror(errno));
790 break;
791 case INSTALL_STATUS_LISTENER_NOT_FOUND: message = "listener not found"; break;
792 }
793 SendFail(reply_fd, message);
794 return 1;
795 }
796 return 0;
797 }
798
handle_host_request(char * service,transport_type ttype,char * serial,int reply_fd,asocket * s)799 int handle_host_request(char *service, transport_type ttype, char* serial, int reply_fd, asocket *s)
800 {
801 if(!strcmp(service, "kill")) {
802 fprintf(stderr,"adb server killed by remote request\n");
803 fflush(stdout);
804 SendOkay(reply_fd);
805 usb_cleanup();
806 exit(0);
807 }
808
809 #if ADB_HOST
810 atransport *transport = NULL;
811 // "transport:" is used for switching transport with a specified serial number
812 // "transport-usb:" is used for switching transport to the only USB transport
813 // "transport-local:" is used for switching transport to the only local transport
814 // "transport-any:" is used for switching transport to the only transport
815 if (!strncmp(service, "transport", strlen("transport"))) {
816 transport_type type = kTransportAny;
817
818 if (!strncmp(service, "transport-usb", strlen("transport-usb"))) {
819 type = kTransportUsb;
820 } else if (!strncmp(service, "transport-local", strlen("transport-local"))) {
821 type = kTransportLocal;
822 } else if (!strncmp(service, "transport-any", strlen("transport-any"))) {
823 type = kTransportAny;
824 } else if (!strncmp(service, "transport:", strlen("transport:"))) {
825 service += strlen("transport:");
826 serial = service;
827 }
828
829 std::string error_msg = "unknown failure";
830 transport = acquire_one_transport(CS_ANY, type, serial, &error_msg);
831
832 if (transport) {
833 s->transport = transport;
834 SendOkay(reply_fd);
835 } else {
836 SendFail(reply_fd, error_msg);
837 }
838 return 1;
839 }
840
841 // return a list of all connected devices
842 if (!strncmp(service, "devices", 7)) {
843 bool long_listing = (strcmp(service+7, "-l") == 0);
844 if (long_listing || service[7] == 0) {
845 D("Getting device list...\n");
846 std::string device_list = list_transports(long_listing);
847 D("Sending device list...\n");
848 SendOkay(reply_fd);
849 SendProtocolString(reply_fd, device_list);
850 return 0;
851 }
852 return 1;
853 }
854
855 // remove TCP transport
856 if (!strncmp(service, "disconnect:", 11)) {
857 char buffer[4096];
858 memset(buffer, 0, sizeof(buffer));
859 char* serial = service + 11;
860 if (serial[0] == 0) {
861 // disconnect from all TCP devices
862 unregister_all_tcp_transports();
863 } else {
864 char hostbuf[100];
865 // assume port 5555 if no port is specified
866 if (!strchr(serial, ':')) {
867 snprintf(hostbuf, sizeof(hostbuf) - 1, "%s:5555", serial);
868 serial = hostbuf;
869 }
870 atransport *t = find_transport(serial);
871
872 if (t) {
873 unregister_transport(t);
874 } else {
875 snprintf(buffer, sizeof(buffer), "No such device %s", serial);
876 }
877 }
878
879 SendOkay(reply_fd);
880 SendProtocolString(reply_fd, buffer);
881 return 0;
882 }
883
884 // returns our value for ADB_SERVER_VERSION
885 if (!strcmp(service, "version")) {
886 SendOkay(reply_fd);
887 SendProtocolString(reply_fd, android::base::StringPrintf("%04x", ADB_SERVER_VERSION));
888 return 0;
889 }
890
891 if(!strncmp(service,"get-serialno",strlen("get-serialno"))) {
892 const char *out = "unknown";
893 transport = acquire_one_transport(CS_ANY, ttype, serial, NULL);
894 if (transport && transport->serial) {
895 out = transport->serial;
896 }
897 SendOkay(reply_fd);
898 SendProtocolString(reply_fd, out);
899 return 0;
900 }
901 if(!strncmp(service,"get-devpath",strlen("get-devpath"))) {
902 const char *out = "unknown";
903 transport = acquire_one_transport(CS_ANY, ttype, serial, NULL);
904 if (transport && transport->devpath) {
905 out = transport->devpath;
906 }
907 SendOkay(reply_fd);
908 SendProtocolString(reply_fd, out);
909 return 0;
910 }
911 // indicates a new emulator instance has started
912 if (!strncmp(service,"emulator:",9)) {
913 int port = atoi(service+9);
914 local_connect(port);
915 /* we don't even need to send a reply */
916 return 0;
917 }
918
919 if(!strncmp(service,"get-state",strlen("get-state"))) {
920 transport = acquire_one_transport(CS_ANY, ttype, serial, NULL);
921 SendOkay(reply_fd);
922 SendProtocolString(reply_fd, transport->connection_state_name());
923 return 0;
924 }
925 #endif // ADB_HOST
926
927 int ret = handle_forward_request(service, ttype, serial, reply_fd);
928 if (ret >= 0)
929 return ret - 1;
930 return -1;
931 }
932