1 /* Copyright (C) 2006-2010 The Android Open Source Project
2 **
3 ** This software is licensed under the terms of the GNU General Public
4 ** License version 2, as published by the Free Software Foundation, and
5 ** may be copied, distributed, and modified under those terms.
6 **
7 ** This program is distributed in the hope that it will be useful,
8 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
9 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 ** GNU General Public License for more details.
11 */
12
13 #include "libslirp.h"
14 #include "qemu-common.h"
15 #include "sysemu.h"
16 #include "modem_driver.h"
17 #include "proxy_http.h"
18
19 #include "android/android.h"
20 #include "android/globals.h"
21 #include "android/hw-sensors.h"
22 #include "android/utils/debug.h"
23 #include "android/utils/path.h"
24 #include "android/utils/system.h"
25 #include "android/utils/bufprint.h"
26 #include "android/adb-server.h"
27 #include "android/adb-qemud.h"
28
29 #define D(...) do { if (VERBOSE_CHECK(init)) dprint(__VA_ARGS__); } while (0)
30
31 #ifdef ANDROID_SDK_TOOLS_REVISION
32 # define VERSION_STRING STRINGIFY(ANDROID_SDK_TOOLS_REVISION)".0"
33 #else
34 # define VERSION_STRING "standalone"
35 #endif
36
37 extern int control_console_start( int port ); /* in control.c */
38
39 /* Contains arguments for -android-ports option. */
40 char* android_op_ports = NULL;
41 /* Contains arguments for -android-port option. */
42 char* android_op_port = NULL;
43 /* Contains arguments for -android-report-console option. */
44 char* android_op_report_console = NULL;
45 /* Contains arguments for -http-proxy option. */
46 char* op_http_proxy = NULL;
47 /* Base port for the emulated system. */
48 int android_base_port;
49
50 /* Strings describing the host system's OpenGL implementation */
51 char android_gl_vendor[ANDROID_GLSTRING_BUF_SIZE];
52 char android_gl_renderer[ANDROID_GLSTRING_BUF_SIZE];
53 char android_gl_version[ANDROID_GLSTRING_BUF_SIZE];
54
55 /*** APPLICATION DIRECTORY
56 *** Where are we ?
57 ***/
58
get_app_dir(void)59 const char* get_app_dir(void)
60 {
61 char buffer[1024];
62 char* p = buffer;
63 char* end = p + sizeof(buffer);
64 p = bufprint_app_dir(p, end);
65 if (p >= end)
66 return NULL;
67
68 return strdup(buffer);
69 }
70
71 enum {
72 REPORT_CONSOLE_SERVER = (1 << 0),
73 REPORT_CONSOLE_MAX = (1 << 1)
74 };
75
76 static int
get_report_console_options(char * end,int * maxtries)77 get_report_console_options( char* end, int *maxtries )
78 {
79 int flags = 0;
80
81 if (end == NULL || *end == 0)
82 return 0;
83
84 if (end[0] != ',') {
85 derror( "socket port/path can be followed by [,<option>]+ only\n");
86 exit(3);
87 }
88 end += 1;
89 while (*end) {
90 char* p = strchr(end, ',');
91 if (p == NULL)
92 p = end + strlen(end);
93
94 if (memcmp( end, "server", p-end ) == 0)
95 flags |= REPORT_CONSOLE_SERVER;
96 else if (memcmp( end, "max=", 4) == 0) {
97 end += 4;
98 *maxtries = strtol( end, NULL, 10 );
99 flags |= REPORT_CONSOLE_MAX;
100 } else {
101 derror( "socket port/path can be followed by [,server][,max=<count>] only\n");
102 exit(3);
103 }
104
105 end = p;
106 if (*end)
107 end += 1;
108 }
109 return flags;
110 }
111
112 static void
report_console(const char * proto_port,int console_port)113 report_console( const char* proto_port, int console_port )
114 {
115 int s = -1, s2;
116 int maxtries = 10;
117 int flags = 0;
118 signal_state_t sigstate;
119
120 disable_sigalrm( &sigstate );
121
122 if ( !strncmp( proto_port, "tcp:", 4) ) {
123 char* end;
124 long port = strtol(proto_port + 4, &end, 10);
125
126 flags = get_report_console_options( end, &maxtries );
127
128 if (flags & REPORT_CONSOLE_SERVER) {
129 s = socket_loopback_server( port, SOCKET_STREAM );
130 if (s < 0) {
131 fprintf(stderr, "could not create server socket on TCP:%ld: %s\n",
132 port, errno_str);
133 exit(3);
134 }
135 } else {
136 for ( ; maxtries > 0; maxtries-- ) {
137 D("trying to find console-report client on tcp:%d", port);
138 s = socket_loopback_client( port, SOCKET_STREAM );
139 if (s >= 0)
140 break;
141
142 sleep_ms(1000);
143 }
144 if (s < 0) {
145 fprintf(stderr, "could not connect to server on TCP:%ld: %s\n",
146 port, errno_str);
147 exit(3);
148 }
149 }
150 } else if ( !strncmp( proto_port, "unix:", 5) ) {
151 #ifdef _WIN32
152 fprintf(stderr, "sorry, the unix: protocol is not supported on Win32\n");
153 exit(3);
154 #else
155 char* path = strdup(proto_port+5);
156 char* end = strchr(path, ',');
157 if (end != NULL) {
158 flags = get_report_console_options( end, &maxtries );
159 *end = 0;
160 }
161 if (flags & REPORT_CONSOLE_SERVER) {
162 s = socket_unix_server( path, SOCKET_STREAM );
163 if (s < 0) {
164 fprintf(stderr, "could not bind unix socket on '%s': %s\n",
165 proto_port+5, errno_str);
166 exit(3);
167 }
168 } else {
169 for ( ; maxtries > 0; maxtries-- ) {
170 s = socket_unix_client( path, SOCKET_STREAM );
171 if (s >= 0)
172 break;
173
174 sleep_ms(1000);
175 }
176 if (s < 0) {
177 fprintf(stderr, "could not connect to unix socket on '%s': %s\n",
178 path, errno_str);
179 exit(3);
180 }
181 }
182 free(path);
183 #endif
184 } else {
185 fprintf(stderr, "-report-console must be followed by a 'tcp:<port>' or 'unix:<path>'\n");
186 exit(3);
187 }
188
189 if (flags & REPORT_CONSOLE_SERVER) {
190 int tries = 3;
191 D( "waiting for console-reporting client" );
192 do {
193 s2 = socket_accept(s, NULL);
194 } while (s2 < 0 && --tries > 0);
195
196 if (s2 < 0) {
197 fprintf(stderr, "could not accept console-reporting client connection: %s\n",
198 errno_str);
199 exit(3);
200 }
201
202 socket_close(s);
203 s = s2;
204 }
205
206 /* simply send the console port in text */
207 {
208 char temp[12];
209 snprintf( temp, sizeof(temp), "%d", console_port );
210
211 if (socket_send(s, temp, strlen(temp)) < 0) {
212 fprintf(stderr, "could not send console number report: %d: %s\n",
213 errno, errno_str );
214 exit(3);
215 }
216 socket_close(s);
217 }
218 D( "console port number sent to remote. resuming boot" );
219
220 restore_sigalrm (&sigstate);
221 }
222
223 /* this function is called from qemu_main() once all arguments have been parsed
224 * it should be used to setup any Android-specific items in the emulation before the
225 * main loop runs
226 */
android_emulation_setup(void)227 void android_emulation_setup( void )
228 {
229 int tries = 16;
230 int base_port = 5554;
231 int adb_host_port = 5037; // adb's default
232 int success = 0;
233 int s;
234 uint32_t guest_ip;
235
236 /* Set the port where the emulator expects adb to run on the host
237 * machine */
238 char* adb_host_port_str = getenv( "ANDROID_ADB_SERVER_PORT" );
239 if ( adb_host_port_str && strlen( adb_host_port_str ) > 0 ) {
240 adb_host_port = (int) strtol( adb_host_port_str, NULL, 0 );
241 if ( adb_host_port <= 0 ) {
242 derror( "env var ANDROID_ADB_SERVER_PORT must be a number > 0. Got \"%s\"\n",
243 adb_host_port_str );
244 exit(1);
245 }
246 }
247
248 inet_strtoip("10.0.2.15", &guest_ip);
249
250 #if 0
251 if (opts->adb_port) {
252 fprintf( stderr, "option -adb-port is obsolete, use -port instead\n" );
253 exit(1);
254 }
255 #endif
256
257 if (android_op_port && android_op_ports) {
258 fprintf( stderr, "options -port and -ports cannot be used together.\n");
259 exit(1);
260 }
261
262 int legacy_adb = avdInfo_getAdbdCommunicationMode(android_avdInfo) ? 0 : 1;
263
264 if (android_op_ports) {
265 char* comma_location;
266 char* end;
267 int console_port = strtol( android_op_ports, &comma_location, 0 );
268
269 if ( comma_location == NULL || *comma_location != ',' ) {
270 derror( "option -ports must be followed by two comma separated positive integer numbers" );
271 exit(1);
272 }
273
274 int adb_port = strtol( comma_location+1, &end, 0 );
275
276 if ( end == NULL || *end ) {
277 derror( "option -ports must be followed by two comma separated positive integer numbers" );
278 exit(1);
279 }
280
281 if ( console_port == adb_port ) {
282 derror( "option -ports must be followed by two different integer numbers" );
283 exit(1);
284 }
285
286 // Set up redirect from host to guest system. adbd on the guest listens
287 // on 5555.
288 if (legacy_adb) {
289 slirp_redir( 0, adb_port, guest_ip, 5555 );
290 } else {
291 adb_server_init(adb_port);
292 android_adb_service_init();
293 }
294 if ( control_console_start( console_port ) < 0 ) {
295 if (legacy_adb) {
296 slirp_unredir( 0, adb_port );
297 }
298 }
299
300 base_port = console_port;
301 } else {
302 if (android_op_port) {
303 char* end;
304 int port = strtol( android_op_port, &end, 0 );
305 if ( end == NULL || *end ||
306 (unsigned)((port - base_port) >> 1) >= (unsigned)tries ) {
307 derror( "option -port must be followed by an even integer number between %d and %d\n",
308 base_port, base_port + (tries-1)*2 );
309 exit(1);
310 }
311 if ( (port & 1) != 0 ) {
312 port &= ~1;
313 dwarning( "option -port must be followed by an even integer, using port number %d\n",
314 port );
315 }
316 base_port = port;
317 tries = 1;
318 }
319
320 for ( ; tries > 0; tries--, base_port += 2 ) {
321
322 /* setup first redirection for ADB, the Android Debug Bridge */
323 if (legacy_adb) {
324 if ( slirp_redir( 0, base_port+1, guest_ip, 5555 ) < 0 )
325 continue;
326 } else {
327 if (adb_server_init(base_port+1))
328 continue;
329 android_adb_service_init();
330 }
331
332 /* setup second redirection for the emulator console */
333 if ( control_console_start( base_port ) < 0 ) {
334 if (legacy_adb) {
335 slirp_unredir( 0, base_port+1 );
336 }
337 continue;
338 }
339
340 D( "control console listening on port %d, ADB on port %d", base_port, base_port+1 );
341 success = 1;
342 break;
343 }
344
345 if (!success) {
346 fprintf(stderr, "it seems too many emulator instances are running on this machine. Aborting\n" );
347 exit(1);
348 }
349 }
350
351 if (android_op_report_console) {
352 report_console(android_op_report_console, base_port);
353 }
354
355 android_modem_init( base_port );
356
357 /* Save base port. */
358 android_base_port = base_port;
359
360 /* send a simple message to the ADB host server to tell it we just started.
361 * it should be listening on port 5037. if we can't reach it, don't bother
362 */
363 do
364 {
365 SockAddress addr;
366 char tmp[32];
367
368 s = socket_create_inet( SOCKET_STREAM );
369 if (s < 0) {
370 D("can't create socket to talk to the ADB server");
371 break;
372 }
373
374 sock_address_init_inet( &addr, SOCK_ADDRESS_INET_LOOPBACK, adb_host_port );
375 if (socket_connect( s, &addr ) < 0) {
376 D("can't connect to ADB server: %s", errno_str );
377 break;
378 }
379
380 sprintf(tmp,"0012host:emulator:%d",base_port+1);
381 socket_send(s, tmp, 18+4);
382 D("sent '%s' to ADB server", tmp);
383 }
384 while (0);
385
386 if (s >= 0)
387 socket_close(s);
388
389 /* setup the http proxy, if any */
390 if (VERBOSE_CHECK(proxy))
391 proxy_set_verbose(1);
392
393 if (!op_http_proxy) {
394 op_http_proxy = getenv("http_proxy");
395 }
396
397 do
398 {
399 const char* env = op_http_proxy;
400 int envlen;
401 ProxyOption option_tab[4];
402 ProxyOption* option = option_tab;
403 char* p;
404 char* q;
405 const char* proxy_name;
406 int proxy_name_len;
407 int proxy_port;
408
409 if (!env)
410 break;
411
412 envlen = strlen(env);
413
414 /* skip the 'http://' header, if present */
415 if (envlen >= 7 && !memcmp(env, "http://", 7)) {
416 env += 7;
417 envlen -= 7;
418 }
419
420 /* do we have a username:password pair ? */
421 p = strchr(env, '@');
422 if (p != 0) {
423 q = strchr(env, ':');
424 if (q == NULL) {
425 BadHttpProxyFormat:
426 dprint("http_proxy format unsupported, try 'proxy:port' or 'username:password@proxy:port'");
427 break;
428 }
429
430 option->type = PROXY_OPTION_AUTH_USERNAME;
431 option->string = env;
432 option->string_len = q - env;
433 option++;
434
435 option->type = PROXY_OPTION_AUTH_PASSWORD;
436 option->string = q+1;
437 option->string_len = p - (q+1);
438 option++;
439
440 env = p+1;
441 }
442
443 p = strchr(env,':');
444 if (p == NULL)
445 goto BadHttpProxyFormat;
446
447 proxy_name = env;
448 proxy_name_len = p - env;
449 proxy_port = atoi(p+1);
450
451 D( "setting up http proxy: server=%.*s port=%d",
452 proxy_name_len, proxy_name, proxy_port );
453
454 /* Check that we can connect to the proxy in the next second.
455 * If not, the proxy setting is probably garbage !!
456 */
457 if ( proxy_check_connection( proxy_name, proxy_name_len, proxy_port, 1000 ) < 0) {
458 dprint("Could not connect to proxy at %.*s:%d: %s !",
459 proxy_name_len, proxy_name, proxy_port, errno_str);
460 dprint("Proxy will be ignored !");
461 break;
462 }
463
464 if ( proxy_http_setup( proxy_name, proxy_name_len, proxy_port,
465 option - option_tab, option_tab ) < 0 )
466 {
467 dprint( "Http proxy setup failed for '%.*s:%d': %s",
468 proxy_name_len, proxy_name, proxy_port, errno_str);
469 dprint( "Proxy will be ignored !");
470 }
471 }
472 while (0);
473
474 /* initialize sensors, this must be done here due to timer issues */
475 android_hw_sensors_init();
476
477 /* cool, now try to run the "ddms ping" command, which will take care of pinging usage
478 * if the user agreed for it. the emulator itself never sends anything to any outside
479 * machine
480 */
481 {
482 #ifdef _WIN32
483 # define _ANDROID_PING_PROGRAM "ddms.bat"
484 #else
485 # define _ANDROID_PING_PROGRAM "ddms"
486 #endif
487
488 char tmp[PATH_MAX];
489 const char* appdir = get_app_dir();
490
491 const size_t ARGSLEN =
492 PATH_MAX + // max ping program path
493 10 + // max VERSION_STRING length
494 3*ANDROID_GLSTRING_BUF_SIZE + // max GL string lengths
495 29 + // static args characters
496 1; // NUL terminator
497 char args[ARGSLEN];
498
499 if (snprintf( tmp, PATH_MAX, "%s%s%s", appdir, PATH_SEP,
500 _ANDROID_PING_PROGRAM ) >= PATH_MAX) {
501 dprint( "Application directory too long: %s", appdir);
502 return;
503 }
504
505 /* if the program isn't there, don't bother */
506 D( "ping program: %s", tmp);
507 if (path_exists(tmp)) {
508 #ifdef _WIN32
509 STARTUPINFO startup;
510 PROCESS_INFORMATION pinfo;
511
512 ZeroMemory( &startup, sizeof(startup) );
513 startup.cb = sizeof(startup);
514 startup.dwFlags = STARTF_USESHOWWINDOW;
515 startup.wShowWindow = SW_SHOWMINIMIZED;
516
517 ZeroMemory( &pinfo, sizeof(pinfo) );
518
519 char* comspec = getenv("COMSPEC");
520 if (!comspec) comspec = "cmd.exe";
521
522 // Run
523 if (snprintf(args, ARGSLEN,
524 "/C \"%s\" ping emulator " VERSION_STRING " \"%s\" \"%s\" \"%s\"",
525 tmp, android_gl_vendor, android_gl_renderer, android_gl_version)
526 >= ARGSLEN)
527 {
528 D( "DDMS command line too long: %s", args);
529 return;
530 }
531
532 CreateProcess(
533 comspec, /* program path */
534 args, /* command line args */
535 NULL, /* process handle is not inheritable */
536 NULL, /* thread handle is not inheritable */
537 FALSE, /* no, don't inherit any handles */
538 DETACHED_PROCESS, /* the new process doesn't have a console */
539 NULL, /* use parent's environment block */
540 NULL, /* use parent's starting directory */
541 &startup, /* startup info, i.e. std handles */
542 &pinfo );
543
544 D( "ping command: %s %s", comspec, args );
545 #else
546 int pid;
547
548 /* disable SIGALRM for the fork(), the periodic signal seems to
549 * interefere badly with the fork() implementation on Linux running
550 * under VMWare.
551 */
552 BEGIN_NOSIGALRM
553 pid = fork();
554 if (pid == 0) {
555 int fd = open("/dev/null", O_WRONLY);
556 dup2(fd, 1);
557 dup2(fd, 2);
558 execl( tmp, _ANDROID_PING_PROGRAM, "ping", "emulator", VERSION_STRING,
559 android_gl_vendor, android_gl_renderer, android_gl_version,
560 NULL );
561 }
562 END_NOSIGALRM
563
564 /* don't do anything in the parent or in case of error */
565 snprintf(args, ARGSLEN,
566 "%s ping emulator " VERSION_STRING " \"%s\" \"%s\" \"%s\"",
567 tmp, android_gl_vendor, android_gl_renderer, android_gl_version);
568 D( "ping command: %s", args );
569 #endif
570 }
571 }
572 }
573
574
575