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 <stdio.h> 20 #include <stdlib.h> 21 #include <ctype.h> 22 #include <stdarg.h> 23 #include <errno.h> 24 #include <stddef.h> 25 #include <string.h> 26 #include <time.h> 27 #include <sys/time.h> 28 29 #include "sysdeps.h" 30 #include "adb.h" 31 #include "adb_auth.h" 32 33 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) 34 35 #if !ADB_HOST 36 #include <private/android_filesystem_config.h> 37 #include <linux/capability.h> 38 #include <linux/prctl.h> 39 #include <sys/mount.h> 40 #else 41 #include "usb_vendors.h" 42 #endif 43 44 #if ADB_TRACE 45 ADB_MUTEX_DEFINE( D_lock ); 46 #endif 47 48 int HOST = 0; 49 50 static int auth_enabled = 0; 51 52 #if !ADB_HOST 53 static const char *adb_device_banner = "device"; 54 #endif 55 56 void fatal(const char *fmt, ...) 57 { 58 va_list ap; 59 va_start(ap, fmt); 60 fprintf(stderr, "error: "); 61 vfprintf(stderr, fmt, ap); 62 fprintf(stderr, "\n"); 63 va_end(ap); 64 exit(-1); 65 } 66 67 void fatal_errno(const char *fmt, ...) 68 { 69 va_list ap; 70 va_start(ap, fmt); 71 fprintf(stderr, "error: %s: ", strerror(errno)); 72 vfprintf(stderr, fmt, ap); 73 fprintf(stderr, "\n"); 74 va_end(ap); 75 exit(-1); 76 } 77 78 int adb_trace_mask; 79 80 /* read a comma/space/colum/semi-column separated list of tags 81 * from the ADB_TRACE environment variable and build the trace 82 * mask from it. note that '1' and 'all' are special cases to 83 * enable all tracing 84 */ 85 void adb_trace_init(void) 86 { 87 const char* p = getenv("ADB_TRACE"); 88 const char* q; 89 90 static const struct { 91 const char* tag; 92 int flag; 93 } tags[] = { 94 { "1", 0 }, 95 { "all", 0 }, 96 { "adb", TRACE_ADB }, 97 { "sockets", TRACE_SOCKETS }, 98 { "packets", TRACE_PACKETS }, 99 { "rwx", TRACE_RWX }, 100 { "usb", TRACE_USB }, 101 { "sync", TRACE_SYNC }, 102 { "sysdeps", TRACE_SYSDEPS }, 103 { "transport", TRACE_TRANSPORT }, 104 { "jdwp", TRACE_JDWP }, 105 { "services", TRACE_SERVICES }, 106 { "auth", TRACE_AUTH }, 107 { NULL, 0 } 108 }; 109 110 if (p == NULL) 111 return; 112 113 /* use a comma/column/semi-colum/space separated list */ 114 while (*p) { 115 int len, tagn; 116 117 q = strpbrk(p, " ,:;"); 118 if (q == NULL) { 119 q = p + strlen(p); 120 } 121 len = q - p; 122 123 for (tagn = 0; tags[tagn].tag != NULL; tagn++) 124 { 125 int taglen = strlen(tags[tagn].tag); 126 127 if (len == taglen && !memcmp(tags[tagn].tag, p, len) ) 128 { 129 int flag = tags[tagn].flag; 130 if (flag == 0) { 131 adb_trace_mask = ~0; 132 return; 133 } 134 adb_trace_mask |= (1 << flag); 135 break; 136 } 137 } 138 p = q; 139 if (*p) 140 p++; 141 } 142 } 143 144 #if !ADB_HOST 145 /* 146 * Implements ADB tracing inside the emulator. 147 */ 148 149 #include <stdarg.h> 150 151 /* 152 * Redefine open and write for qemu_pipe.h that contains inlined references 153 * to those routines. We will redifine them back after qemu_pipe.h inclusion. 154 */ 155 156 #undef open 157 #undef write 158 #define open adb_open 159 #define write adb_write 160 #include <hardware/qemu_pipe.h> 161 #undef open 162 #undef write 163 #define open ___xxx_open 164 #define write ___xxx_write 165 166 /* A handle to adb-debug qemud service in the emulator. */ 167 int adb_debug_qemu = -1; 168 169 /* Initializes connection with the adb-debug qemud service in the emulator. */ 170 static int adb_qemu_trace_init(void) 171 { 172 char con_name[32]; 173 174 if (adb_debug_qemu >= 0) { 175 return 0; 176 } 177 178 /* adb debugging QEMUD service connection request. */ 179 snprintf(con_name, sizeof(con_name), "qemud:adb-debug"); 180 adb_debug_qemu = qemu_pipe_open(con_name); 181 return (adb_debug_qemu >= 0) ? 0 : -1; 182 } 183 184 void adb_qemu_trace(const char* fmt, ...) 185 { 186 va_list args; 187 va_start(args, fmt); 188 char msg[1024]; 189 190 if (adb_debug_qemu >= 0) { 191 vsnprintf(msg, sizeof(msg), fmt, args); 192 adb_write(adb_debug_qemu, msg, strlen(msg)); 193 } 194 } 195 #endif /* !ADB_HOST */ 196 197 apacket *get_apacket(void) 198 { 199 apacket *p = malloc(sizeof(apacket)); 200 if(p == 0) fatal("failed to allocate an apacket"); 201 memset(p, 0, sizeof(apacket) - MAX_PAYLOAD); 202 return p; 203 } 204 205 void put_apacket(apacket *p) 206 { 207 free(p); 208 } 209 210 void handle_online(atransport *t) 211 { 212 D("adb: online\n"); 213 t->online = 1; 214 } 215 216 void handle_offline(atransport *t) 217 { 218 D("adb: offline\n"); 219 //Close the associated usb 220 t->online = 0; 221 run_transport_disconnects(t); 222 } 223 224 #if DEBUG_PACKETS 225 #define DUMPMAX 32 226 void print_packet(const char *label, apacket *p) 227 { 228 char *tag; 229 char *x; 230 unsigned count; 231 232 switch(p->msg.command){ 233 case A_SYNC: tag = "SYNC"; break; 234 case A_CNXN: tag = "CNXN" ; break; 235 case A_OPEN: tag = "OPEN"; break; 236 case A_OKAY: tag = "OKAY"; break; 237 case A_CLSE: tag = "CLSE"; break; 238 case A_WRTE: tag = "WRTE"; break; 239 case A_AUTH: tag = "AUTH"; break; 240 default: tag = "????"; break; 241 } 242 243 fprintf(stderr, "%s: %s %08x %08x %04x \"", 244 label, tag, p->msg.arg0, p->msg.arg1, p->msg.data_length); 245 count = p->msg.data_length; 246 x = (char*) p->data; 247 if(count > DUMPMAX) { 248 count = DUMPMAX; 249 tag = "\n"; 250 } else { 251 tag = "\"\n"; 252 } 253 while(count-- > 0){ 254 if((*x >= ' ') && (*x < 127)) { 255 fputc(*x, stderr); 256 } else { 257 fputc('.', stderr); 258 } 259 x++; 260 } 261 fputs(tag, stderr); 262 } 263 #endif 264 265 static void send_ready(unsigned local, unsigned remote, atransport *t) 266 { 267 D("Calling send_ready \n"); 268 apacket *p = get_apacket(); 269 p->msg.command = A_OKAY; 270 p->msg.arg0 = local; 271 p->msg.arg1 = remote; 272 send_packet(p, t); 273 } 274 275 static void send_close(unsigned local, unsigned remote, atransport *t) 276 { 277 D("Calling send_close \n"); 278 apacket *p = get_apacket(); 279 p->msg.command = A_CLSE; 280 p->msg.arg0 = local; 281 p->msg.arg1 = remote; 282 send_packet(p, t); 283 } 284 285 static size_t fill_connect_data(char *buf, size_t bufsize) 286 { 287 #if ADB_HOST 288 return snprintf(buf, bufsize, "host::") + 1; 289 #else 290 static const char *cnxn_props[] = { 291 "ro.product.name", 292 "ro.product.model", 293 "ro.product.device", 294 }; 295 static const int num_cnxn_props = ARRAY_SIZE(cnxn_props); 296 int i; 297 size_t remaining = bufsize; 298 size_t len; 299 300 len = snprintf(buf, remaining, "%s::", adb_device_banner); 301 remaining -= len; 302 buf += len; 303 for (i = 0; i < num_cnxn_props; i++) { 304 char value[PROPERTY_VALUE_MAX]; 305 property_get(cnxn_props[i], value, ""); 306 len = snprintf(buf, remaining, "%s=%s;", cnxn_props[i], value); 307 remaining -= len; 308 buf += len; 309 } 310 311 return bufsize - remaining + 1; 312 #endif 313 } 314 315 static void send_connect(atransport *t) 316 { 317 D("Calling send_connect \n"); 318 apacket *cp = get_apacket(); 319 cp->msg.command = A_CNXN; 320 cp->msg.arg0 = A_VERSION; 321 cp->msg.arg1 = MAX_PAYLOAD; 322 cp->msg.data_length = fill_connect_data((char *)cp->data, 323 sizeof(cp->data)); 324 send_packet(cp, t); 325 } 326 327 static void send_auth_request(atransport *t) 328 { 329 D("Calling send_auth_request\n"); 330 apacket *p; 331 int ret; 332 333 ret = adb_auth_generate_token(t->token, sizeof(t->token)); 334 if (ret != sizeof(t->token)) { 335 D("Error generating token ret=%d\n", ret); 336 return; 337 } 338 339 p = get_apacket(); 340 memcpy(p->data, t->token, ret); 341 p->msg.command = A_AUTH; 342 p->msg.arg0 = ADB_AUTH_TOKEN; 343 p->msg.data_length = ret; 344 send_packet(p, t); 345 } 346 347 static void send_auth_response(uint8_t *token, size_t token_size, atransport *t) 348 { 349 D("Calling send_auth_response\n"); 350 apacket *p = get_apacket(); 351 int ret; 352 353 ret = adb_auth_sign(t->key, token, token_size, p->data); 354 if (!ret) { 355 D("Error signing the token\n"); 356 put_apacket(p); 357 return; 358 } 359 360 p->msg.command = A_AUTH; 361 p->msg.arg0 = ADB_AUTH_SIGNATURE; 362 p->msg.data_length = ret; 363 send_packet(p, t); 364 } 365 366 static void send_auth_publickey(atransport *t) 367 { 368 D("Calling send_auth_publickey\n"); 369 apacket *p = get_apacket(); 370 int ret; 371 372 ret = adb_auth_get_userkey(p->data, sizeof(p->data)); 373 if (!ret) { 374 D("Failed to get user public key\n"); 375 put_apacket(p); 376 return; 377 } 378 379 p->msg.command = A_AUTH; 380 p->msg.arg0 = ADB_AUTH_RSAPUBLICKEY; 381 p->msg.data_length = ret; 382 send_packet(p, t); 383 } 384 385 void adb_auth_verified(atransport *t) 386 { 387 handle_online(t); 388 send_connect(t); 389 } 390 391 static char *connection_state_name(atransport *t) 392 { 393 if (t == NULL) { 394 return "unknown"; 395 } 396 397 switch(t->connection_state) { 398 case CS_BOOTLOADER: 399 return "bootloader"; 400 case CS_DEVICE: 401 return "device"; 402 case CS_OFFLINE: 403 return "offline"; 404 default: 405 return "unknown"; 406 } 407 } 408 409 /* qual_overwrite is used to overwrite a qualifier string. dst is a 410 * pointer to a char pointer. It is assumed that if *dst is non-NULL, it 411 * was malloc'ed and needs to freed. *dst will be set to a dup of src. 412 */ 413 static void qual_overwrite(char **dst, const char *src) 414 { 415 if (!dst) 416 return; 417 418 free(*dst); 419 *dst = NULL; 420 421 if (!src || !*src) 422 return; 423 424 *dst = strdup(src); 425 } 426 427 void parse_banner(char *banner, atransport *t) 428 { 429 static const char *prop_seps = ";"; 430 static const char key_val_sep = '='; 431 char *cp; 432 char *type; 433 434 D("parse_banner: %s\n", banner); 435 type = banner; 436 cp = strchr(type, ':'); 437 if (cp) { 438 *cp++ = 0; 439 /* Nothing is done with second field. */ 440 cp = strchr(cp, ':'); 441 if (cp) { 442 char *save; 443 char *key; 444 key = adb_strtok_r(cp + 1, prop_seps, &save); 445 while (key) { 446 cp = strchr(key, key_val_sep); 447 if (cp) { 448 *cp++ = '\0'; 449 if (!strcmp(key, "ro.product.name")) 450 qual_overwrite(&t->product, cp); 451 else if (!strcmp(key, "ro.product.model")) 452 qual_overwrite(&t->model, cp); 453 else if (!strcmp(key, "ro.product.device")) 454 qual_overwrite(&t->device, cp); 455 } 456 key = adb_strtok_r(NULL, prop_seps, &save); 457 } 458 } 459 } 460 461 if(!strcmp(type, "bootloader")){ 462 D("setting connection_state to CS_BOOTLOADER\n"); 463 t->connection_state = CS_BOOTLOADER; 464 update_transports(); 465 return; 466 } 467 468 if(!strcmp(type, "device")) { 469 D("setting connection_state to CS_DEVICE\n"); 470 t->connection_state = CS_DEVICE; 471 update_transports(); 472 return; 473 } 474 475 if(!strcmp(type, "recovery")) { 476 D("setting connection_state to CS_RECOVERY\n"); 477 t->connection_state = CS_RECOVERY; 478 update_transports(); 479 return; 480 } 481 482 if(!strcmp(type, "sideload")) { 483 D("setting connection_state to CS_SIDELOAD\n"); 484 t->connection_state = CS_SIDELOAD; 485 update_transports(); 486 return; 487 } 488 489 t->connection_state = CS_HOST; 490 } 491 492 void handle_packet(apacket *p, atransport *t) 493 { 494 asocket *s; 495 496 D("handle_packet() %c%c%c%c\n", ((char*) (&(p->msg.command)))[0], 497 ((char*) (&(p->msg.command)))[1], 498 ((char*) (&(p->msg.command)))[2], 499 ((char*) (&(p->msg.command)))[3]); 500 print_packet("recv", p); 501 502 switch(p->msg.command){ 503 case A_SYNC: 504 if(p->msg.arg0){ 505 send_packet(p, t); 506 if(HOST) send_connect(t); 507 } else { 508 t->connection_state = CS_OFFLINE; 509 handle_offline(t); 510 send_packet(p, t); 511 } 512 return; 513 514 case A_CNXN: /* CONNECT(version, maxdata, "system-id-string") */ 515 /* XXX verify version, etc */ 516 if(t->connection_state != CS_OFFLINE) { 517 t->connection_state = CS_OFFLINE; 518 handle_offline(t); 519 } 520 521 parse_banner((char*) p->data, t); 522 523 if (HOST || !auth_enabled) { 524 handle_online(t); 525 if(!HOST) send_connect(t); 526 } else { 527 send_auth_request(t); 528 } 529 break; 530 531 case A_AUTH: 532 if (p->msg.arg0 == ADB_AUTH_TOKEN) { 533 t->key = adb_auth_nextkey(t->key); 534 if (t->key) { 535 send_auth_response(p->data, p->msg.data_length, t); 536 } else { 537 /* No more private keys to try, send the public key */ 538 send_auth_publickey(t); 539 } 540 } else if (p->msg.arg0 == ADB_AUTH_SIGNATURE) { 541 if (adb_auth_verify(t->token, p->data, p->msg.data_length)) { 542 adb_auth_verified(t); 543 t->failed_auth_attempts = 0; 544 } else { 545 if (t->failed_auth_attempts++ > 10) 546 adb_sleep_ms(1000); 547 send_auth_request(t); 548 } 549 } else if (p->msg.arg0 == ADB_AUTH_RSAPUBLICKEY) { 550 adb_auth_confirm_key(p->data, p->msg.data_length, t); 551 } 552 break; 553 554 case A_OPEN: /* OPEN(local-id, 0, "destination") */ 555 if (t->online) { 556 char *name = (char*) p->data; 557 name[p->msg.data_length > 0 ? p->msg.data_length - 1 : 0] = 0; 558 s = create_local_service_socket(name); 559 if(s == 0) { 560 send_close(0, p->msg.arg0, t); 561 } else { 562 s->peer = create_remote_socket(p->msg.arg0, t); 563 s->peer->peer = s; 564 send_ready(s->id, s->peer->id, t); 565 s->ready(s); 566 } 567 } 568 break; 569 570 case A_OKAY: /* READY(local-id, remote-id, "") */ 571 if (t->online) { 572 if((s = find_local_socket(p->msg.arg1))) { 573 if(s->peer == 0) { 574 s->peer = create_remote_socket(p->msg.arg0, t); 575 s->peer->peer = s; 576 } 577 s->ready(s); 578 } 579 } 580 break; 581 582 case A_CLSE: /* CLOSE(local-id, remote-id, "") */ 583 if (t->online) { 584 if((s = find_local_socket(p->msg.arg1))) { 585 s->close(s); 586 } 587 } 588 break; 589 590 case A_WRTE: 591 if (t->online) { 592 if((s = find_local_socket(p->msg.arg1))) { 593 unsigned rid = p->msg.arg0; 594 p->len = p->msg.data_length; 595 596 if(s->enqueue(s, p) == 0) { 597 D("Enqueue the socket\n"); 598 send_ready(s->id, rid, t); 599 } 600 return; 601 } 602 } 603 break; 604 605 default: 606 printf("handle_packet: what is %08x?!\n", p->msg.command); 607 } 608 609 put_apacket(p); 610 } 611 612 alistener listener_list = { 613 .next = &listener_list, 614 .prev = &listener_list, 615 }; 616 617 static void ss_listener_event_func(int _fd, unsigned ev, void *_l) 618 { 619 asocket *s; 620 621 if(ev & FDE_READ) { 622 struct sockaddr addr; 623 socklen_t alen; 624 int fd; 625 626 alen = sizeof(addr); 627 fd = adb_socket_accept(_fd, &addr, &alen); 628 if(fd < 0) return; 629 630 adb_socket_setbufsize(fd, CHUNK_SIZE); 631 632 s = create_local_socket(fd); 633 if(s) { 634 connect_to_smartsocket(s); 635 return; 636 } 637 638 adb_close(fd); 639 } 640 } 641 642 static void listener_event_func(int _fd, unsigned ev, void *_l) 643 { 644 alistener *l = _l; 645 asocket *s; 646 647 if(ev & FDE_READ) { 648 struct sockaddr addr; 649 socklen_t alen; 650 int fd; 651 652 alen = sizeof(addr); 653 fd = adb_socket_accept(_fd, &addr, &alen); 654 if(fd < 0) return; 655 656 s = create_local_socket(fd); 657 if(s) { 658 s->transport = l->transport; 659 connect_to_remote(s, l->connect_to); 660 return; 661 } 662 663 adb_close(fd); 664 } 665 } 666 667 static void free_listener(alistener* l) 668 { 669 if (l->next) { 670 l->next->prev = l->prev; 671 l->prev->next = l->next; 672 l->next = l->prev = l; 673 } 674 675 // closes the corresponding fd 676 fdevent_remove(&l->fde); 677 678 if (l->local_name) 679 free((char*)l->local_name); 680 681 if (l->connect_to) 682 free((char*)l->connect_to); 683 684 if (l->transport) { 685 remove_transport_disconnect(l->transport, &l->disconnect); 686 } 687 free(l); 688 } 689 690 static void listener_disconnect(void* _l, atransport* t) 691 { 692 alistener* l = _l; 693 694 free_listener(l); 695 } 696 697 int local_name_to_fd(const char *name) 698 { 699 int port; 700 701 if(!strncmp("tcp:", name, 4)){ 702 int ret; 703 port = atoi(name + 4); 704 ret = socket_loopback_server(port, SOCK_STREAM); 705 return ret; 706 } 707 #ifndef HAVE_WIN32_IPC /* no Unix-domain sockets on Win32 */ 708 // It's non-sensical to support the "reserved" space on the adb host side 709 if(!strncmp(name, "local:", 6)) { 710 return socket_local_server(name + 6, 711 ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM); 712 } else if(!strncmp(name, "localabstract:", 14)) { 713 return socket_local_server(name + 14, 714 ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM); 715 } else if(!strncmp(name, "localfilesystem:", 16)) { 716 return socket_local_server(name + 16, 717 ANDROID_SOCKET_NAMESPACE_FILESYSTEM, SOCK_STREAM); 718 } 719 720 #endif 721 printf("unknown local portname '%s'\n", name); 722 return -1; 723 } 724 725 static int remove_listener(const char *local_name, const char *connect_to, atransport* transport) 726 { 727 alistener *l; 728 729 for (l = listener_list.next; l != &listener_list; l = l->next) { 730 if (!strcmp(local_name, l->local_name) && 731 !strcmp(connect_to, l->connect_to) && 732 l->transport && l->transport == transport) { 733 734 listener_disconnect(l, transport); 735 return 0; 736 } 737 } 738 739 return -1; 740 } 741 742 static int install_listener(const char *local_name, const char *connect_to, atransport* transport) 743 { 744 alistener *l; 745 746 //printf("install_listener('%s','%s')\n", local_name, connect_to); 747 748 for(l = listener_list.next; l != &listener_list; l = l->next){ 749 if(strcmp(local_name, l->local_name) == 0) { 750 char *cto; 751 752 /* can't repurpose a smartsocket */ 753 if(l->connect_to[0] == '*') { 754 return -1; 755 } 756 757 cto = strdup(connect_to); 758 if(cto == 0) { 759 return -1; 760 } 761 762 //printf("rebinding '%s' to '%s'\n", local_name, connect_to); 763 free((void*) l->connect_to); 764 l->connect_to = cto; 765 if (l->transport != transport) { 766 remove_transport_disconnect(l->transport, &l->disconnect); 767 l->transport = transport; 768 add_transport_disconnect(l->transport, &l->disconnect); 769 } 770 return 0; 771 } 772 } 773 774 if((l = calloc(1, sizeof(alistener))) == 0) goto nomem; 775 if((l->local_name = strdup(local_name)) == 0) goto nomem; 776 if((l->connect_to = strdup(connect_to)) == 0) goto nomem; 777 778 779 l->fd = local_name_to_fd(local_name); 780 if(l->fd < 0) { 781 free((void*) l->local_name); 782 free((void*) l->connect_to); 783 free(l); 784 printf("cannot bind '%s'\n", local_name); 785 return -2; 786 } 787 788 close_on_exec(l->fd); 789 if(!strcmp(l->connect_to, "*smartsocket*")) { 790 fdevent_install(&l->fde, l->fd, ss_listener_event_func, l); 791 } else { 792 fdevent_install(&l->fde, l->fd, listener_event_func, l); 793 } 794 fdevent_set(&l->fde, FDE_READ); 795 796 l->next = &listener_list; 797 l->prev = listener_list.prev; 798 l->next->prev = l; 799 l->prev->next = l; 800 l->transport = transport; 801 802 if (transport) { 803 l->disconnect.opaque = l; 804 l->disconnect.func = listener_disconnect; 805 add_transport_disconnect(transport, &l->disconnect); 806 } 807 return 0; 808 809 nomem: 810 fatal("cannot allocate listener"); 811 return 0; 812 } 813 814 #ifdef HAVE_WIN32_PROC 815 static BOOL WINAPI ctrlc_handler(DWORD type) 816 { 817 exit(STATUS_CONTROL_C_EXIT); 818 return TRUE; 819 } 820 #endif 821 822 static void adb_cleanup(void) 823 { 824 usb_cleanup(); 825 } 826 827 void start_logging(void) 828 { 829 #ifdef HAVE_WIN32_PROC 830 char temp[ MAX_PATH ]; 831 FILE* fnul; 832 FILE* flog; 833 834 GetTempPath( sizeof(temp) - 8, temp ); 835 strcat( temp, "adb.log" ); 836 837 /* Win32 specific redirections */ 838 fnul = fopen( "NUL", "rt" ); 839 if (fnul != NULL) 840 stdin[0] = fnul[0]; 841 842 flog = fopen( temp, "at" ); 843 if (flog == NULL) 844 flog = fnul; 845 846 setvbuf( flog, NULL, _IONBF, 0 ); 847 848 stdout[0] = flog[0]; 849 stderr[0] = flog[0]; 850 fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); 851 #else 852 int fd; 853 854 fd = unix_open("/dev/null", O_RDONLY); 855 dup2(fd, 0); 856 adb_close(fd); 857 858 fd = unix_open("/tmp/adb.log", O_WRONLY | O_CREAT | O_APPEND, 0640); 859 if(fd < 0) { 860 fd = unix_open("/dev/null", O_WRONLY); 861 } 862 dup2(fd, 1); 863 dup2(fd, 2); 864 adb_close(fd); 865 fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); 866 #endif 867 } 868 869 #if !ADB_HOST 870 void start_device_log(void) 871 { 872 int fd; 873 char path[PATH_MAX]; 874 struct tm now; 875 time_t t; 876 char value[PROPERTY_VALUE_MAX]; 877 878 // read the trace mask from persistent property persist.adb.trace_mask 879 // give up if the property is not set or cannot be parsed 880 property_get("persist.adb.trace_mask", value, ""); 881 if (sscanf(value, "%x", &adb_trace_mask) != 1) 882 return; 883 884 adb_mkdir("/data/adb", 0775); 885 tzset(); 886 time(&t); 887 localtime_r(&t, &now); 888 strftime(path, sizeof(path), 889 "/data/adb/adb-%Y-%m-%d-%H-%M-%S.txt", 890 &now); 891 fd = unix_open(path, O_WRONLY | O_CREAT | O_TRUNC, 0640); 892 if (fd < 0) 893 return; 894 895 // redirect stdout and stderr to the log file 896 dup2(fd, 1); 897 dup2(fd, 2); 898 fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); 899 adb_close(fd); 900 901 fd = unix_open("/dev/null", O_RDONLY); 902 dup2(fd, 0); 903 adb_close(fd); 904 } 905 #endif 906 907 #if ADB_HOST 908 int launch_server(int server_port) 909 { 910 #ifdef HAVE_WIN32_PROC 911 /* we need to start the server in the background */ 912 /* we create a PIPE that will be used to wait for the server's "OK" */ 913 /* message since the pipe handles must be inheritable, we use a */ 914 /* security attribute */ 915 HANDLE pipe_read, pipe_write; 916 SECURITY_ATTRIBUTES sa; 917 STARTUPINFO startup; 918 PROCESS_INFORMATION pinfo; 919 char program_path[ MAX_PATH ]; 920 int ret; 921 922 sa.nLength = sizeof(sa); 923 sa.lpSecurityDescriptor = NULL; 924 sa.bInheritHandle = TRUE; 925 926 /* create pipe, and ensure its read handle isn't inheritable */ 927 ret = CreatePipe( &pipe_read, &pipe_write, &sa, 0 ); 928 if (!ret) { 929 fprintf(stderr, "CreatePipe() failure, error %ld\n", GetLastError() ); 930 return -1; 931 } 932 933 SetHandleInformation( pipe_read, HANDLE_FLAG_INHERIT, 0 ); 934 935 ZeroMemory( &startup, sizeof(startup) ); 936 startup.cb = sizeof(startup); 937 startup.hStdInput = GetStdHandle( STD_INPUT_HANDLE ); 938 startup.hStdOutput = pipe_write; 939 startup.hStdError = GetStdHandle( STD_ERROR_HANDLE ); 940 startup.dwFlags = STARTF_USESTDHANDLES; 941 942 ZeroMemory( &pinfo, sizeof(pinfo) ); 943 944 /* get path of current program */ 945 GetModuleFileName( NULL, program_path, sizeof(program_path) ); 946 947 ret = CreateProcess( 948 program_path, /* program path */ 949 "adb fork-server server", 950 /* the fork-server argument will set the 951 debug = 2 in the child */ 952 NULL, /* process handle is not inheritable */ 953 NULL, /* thread handle is not inheritable */ 954 TRUE, /* yes, inherit some handles */ 955 DETACHED_PROCESS, /* the new process doesn't have a console */ 956 NULL, /* use parent's environment block */ 957 NULL, /* use parent's starting directory */ 958 &startup, /* startup info, i.e. std handles */ 959 &pinfo ); 960 961 CloseHandle( pipe_write ); 962 963 if (!ret) { 964 fprintf(stderr, "CreateProcess failure, error %ld\n", GetLastError() ); 965 CloseHandle( pipe_read ); 966 return -1; 967 } 968 969 CloseHandle( pinfo.hProcess ); 970 CloseHandle( pinfo.hThread ); 971 972 /* wait for the "OK\n" message */ 973 { 974 char temp[3]; 975 DWORD count; 976 977 ret = ReadFile( pipe_read, temp, 3, &count, NULL ); 978 CloseHandle( pipe_read ); 979 if ( !ret ) { 980 fprintf(stderr, "could not read ok from ADB Server, error = %ld\n", GetLastError() ); 981 return -1; 982 } 983 if (count != 3 || temp[0] != 'O' || temp[1] != 'K' || temp[2] != '\n') { 984 fprintf(stderr, "ADB server didn't ACK\n" ); 985 return -1; 986 } 987 } 988 #elif defined(HAVE_FORKEXEC) 989 char path[PATH_MAX]; 990 int fd[2]; 991 992 // set up a pipe so the child can tell us when it is ready. 993 // fd[0] will be parent's end, and fd[1] will get mapped to stderr in the child. 994 if (pipe(fd)) { 995 fprintf(stderr, "pipe failed in launch_server, errno: %d\n", errno); 996 return -1; 997 } 998 get_my_path(path, PATH_MAX); 999 pid_t pid = fork(); 1000 if(pid < 0) return -1; 1001 1002 if (pid == 0) { 1003 // child side of the fork 1004 1005 // redirect stderr to the pipe 1006 // we use stderr instead of stdout due to stdout's buffering behavior. 1007 adb_close(fd[0]); 1008 dup2(fd[1], STDERR_FILENO); 1009 adb_close(fd[1]); 1010 1011 // child process 1012 int result = execl(path, "adb", "fork-server", "server", NULL); 1013 // this should not return 1014 fprintf(stderr, "OOPS! execl returned %d, errno: %d\n", result, errno); 1015 } else { 1016 // parent side of the fork 1017 1018 char temp[3]; 1019 1020 temp[0] = 'A'; temp[1] = 'B'; temp[2] = 'C'; 1021 // wait for the "OK\n" message 1022 adb_close(fd[1]); 1023 int ret = adb_read(fd[0], temp, 3); 1024 int saved_errno = errno; 1025 adb_close(fd[0]); 1026 if (ret < 0) { 1027 fprintf(stderr, "could not read ok from ADB Server, errno = %d\n", saved_errno); 1028 return -1; 1029 } 1030 if (ret != 3 || temp[0] != 'O' || temp[1] != 'K' || temp[2] != '\n') { 1031 fprintf(stderr, "ADB server didn't ACK\n" ); 1032 return -1; 1033 } 1034 1035 setsid(); 1036 } 1037 #else 1038 #error "cannot implement background server start on this platform" 1039 #endif 1040 return 0; 1041 } 1042 #endif 1043 1044 /* Constructs a local name of form tcp:port. 1045 * target_str points to the target string, it's content will be overwritten. 1046 * target_size is the capacity of the target string. 1047 * server_port is the port number to use for the local name. 1048 */ 1049 void build_local_name(char* target_str, size_t target_size, int server_port) 1050 { 1051 snprintf(target_str, target_size, "tcp:%d", server_port); 1052 } 1053 1054 #if !ADB_HOST 1055 static int should_drop_privileges() { 1056 #ifndef ALLOW_ADBD_ROOT 1057 return 1; 1058 #else /* ALLOW_ADBD_ROOT */ 1059 int secure = 0; 1060 char value[PROPERTY_VALUE_MAX]; 1061 1062 /* run adbd in secure mode if ro.secure is set and 1063 ** we are not in the emulator 1064 */ 1065 property_get("ro.kernel.qemu", value, ""); 1066 if (strcmp(value, "1") != 0) { 1067 property_get("ro.secure", value, "1"); 1068 if (strcmp(value, "1") == 0) { 1069 // don't run as root if ro.secure is set... 1070 secure = 1; 1071 1072 // ... except we allow running as root in userdebug builds if the 1073 // service.adb.root property has been set by the "adb root" command 1074 property_get("ro.debuggable", value, ""); 1075 if (strcmp(value, "1") == 0) { 1076 property_get("service.adb.root", value, ""); 1077 if (strcmp(value, "1") == 0) { 1078 secure = 0; 1079 } 1080 } 1081 } 1082 } 1083 return secure; 1084 #endif /* ALLOW_ADBD_ROOT */ 1085 } 1086 #endif /* !ADB_HOST */ 1087 1088 int adb_main(int is_daemon, int server_port) 1089 { 1090 #if !ADB_HOST 1091 int port; 1092 char value[PROPERTY_VALUE_MAX]; 1093 1094 umask(000); 1095 #endif 1096 1097 atexit(adb_cleanup); 1098 #ifdef HAVE_WIN32_PROC 1099 SetConsoleCtrlHandler( ctrlc_handler, TRUE ); 1100 #elif defined(HAVE_FORKEXEC) 1101 // No SIGCHLD. Let the service subproc handle its children. 1102 signal(SIGPIPE, SIG_IGN); 1103 #endif 1104 1105 init_transport_registration(); 1106 1107 #if ADB_HOST 1108 HOST = 1; 1109 usb_vendors_init(); 1110 usb_init(); 1111 local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT); 1112 adb_auth_init(); 1113 1114 char local_name[30]; 1115 build_local_name(local_name, sizeof(local_name), server_port); 1116 if(install_listener(local_name, "*smartsocket*", NULL)) { 1117 exit(1); 1118 } 1119 #else 1120 property_get("ro.adb.secure", value, "0"); 1121 auth_enabled = !strcmp(value, "1"); 1122 if (auth_enabled) 1123 adb_auth_init(); 1124 1125 // Our external storage path may be different than apps, since 1126 // we aren't able to bind mount after dropping root. 1127 const char* adb_external_storage = getenv("ADB_EXTERNAL_STORAGE"); 1128 if (NULL != adb_external_storage) { 1129 setenv("EXTERNAL_STORAGE", adb_external_storage, 1); 1130 } else { 1131 D("Warning: ADB_EXTERNAL_STORAGE is not set. Leaving EXTERNAL_STORAGE" 1132 " unchanged.\n"); 1133 } 1134 1135 /* don't listen on a port (default 5037) if running in secure mode */ 1136 /* don't run as root if we are running in secure mode */ 1137 if (should_drop_privileges()) { 1138 struct __user_cap_header_struct header; 1139 struct __user_cap_data_struct cap; 1140 1141 if (prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0) != 0) { 1142 exit(1); 1143 } 1144 1145 /* add extra groups: 1146 ** AID_ADB to access the USB driver 1147 ** AID_LOG to read system logs (adb logcat) 1148 ** AID_INPUT to diagnose input issues (getevent) 1149 ** AID_INET to diagnose network issues (netcfg, ping) 1150 ** AID_GRAPHICS to access the frame buffer 1151 ** AID_NET_BT and AID_NET_BT_ADMIN to diagnose bluetooth (hcidump) 1152 ** AID_SDCARD_R to allow reading from the SD card 1153 ** AID_SDCARD_RW to allow writing to the SD card 1154 ** AID_MOUNT to allow unmounting the SD card before rebooting 1155 ** AID_NET_BW_STATS to read out qtaguid statistics 1156 */ 1157 gid_t groups[] = { AID_ADB, AID_LOG, AID_INPUT, AID_INET, AID_GRAPHICS, 1158 AID_NET_BT, AID_NET_BT_ADMIN, AID_SDCARD_R, AID_SDCARD_RW, 1159 AID_MOUNT, AID_NET_BW_STATS }; 1160 if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) { 1161 exit(1); 1162 } 1163 1164 /* then switch user and group to "shell" */ 1165 if (setgid(AID_SHELL) != 0) { 1166 exit(1); 1167 } 1168 if (setuid(AID_SHELL) != 0) { 1169 exit(1); 1170 } 1171 1172 /* set CAP_SYS_BOOT capability, so "adb reboot" will succeed */ 1173 header.version = _LINUX_CAPABILITY_VERSION; 1174 header.pid = 0; 1175 cap.effective = cap.permitted = (1 << CAP_SYS_BOOT); 1176 cap.inheritable = 0; 1177 capset(&header, &cap); 1178 1179 D("Local port disabled\n"); 1180 } else { 1181 char local_name[30]; 1182 build_local_name(local_name, sizeof(local_name), server_port); 1183 if(install_listener(local_name, "*smartsocket*", NULL)) { 1184 exit(1); 1185 } 1186 } 1187 1188 int usb = 0; 1189 if (access(USB_ADB_PATH, F_OK) == 0 || access(USB_FFS_ADB_EP0, F_OK) == 0) { 1190 // listen on USB 1191 usb_init(); 1192 usb = 1; 1193 } 1194 1195 // If one of these properties is set, also listen on that port 1196 // If one of the properties isn't set and we couldn't listen on usb, 1197 // listen on the default port. 1198 property_get("service.adb.tcp.port", value, ""); 1199 if (!value[0]) { 1200 property_get("persist.adb.tcp.port", value, ""); 1201 } 1202 if (sscanf(value, "%d", &port) == 1 && port > 0) { 1203 printf("using port=%d\n", port); 1204 // listen on TCP port specified by service.adb.tcp.port property 1205 local_init(port); 1206 } else if (!usb) { 1207 // listen on default port 1208 local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT); 1209 } 1210 1211 D("adb_main(): pre init_jdwp()\n"); 1212 init_jdwp(); 1213 D("adb_main(): post init_jdwp()\n"); 1214 #endif 1215 1216 if (is_daemon) 1217 { 1218 // inform our parent that we are up and running. 1219 #ifdef HAVE_WIN32_PROC 1220 DWORD count; 1221 WriteFile( GetStdHandle( STD_OUTPUT_HANDLE ), "OK\n", 3, &count, NULL ); 1222 #elif defined(HAVE_FORKEXEC) 1223 fprintf(stderr, "OK\n"); 1224 #endif 1225 start_logging(); 1226 } 1227 D("Event loop starting\n"); 1228 1229 fdevent_loop(); 1230 1231 usb_cleanup(); 1232 1233 return 0; 1234 } 1235 1236 #if ADB_HOST 1237 void connect_device(char* host, char* buffer, int buffer_size) 1238 { 1239 int port, fd; 1240 char* portstr = strchr(host, ':'); 1241 char hostbuf[100]; 1242 char serial[100]; 1243 1244 strncpy(hostbuf, host, sizeof(hostbuf) - 1); 1245 if (portstr) { 1246 if (portstr - host >= (ptrdiff_t)sizeof(hostbuf)) { 1247 snprintf(buffer, buffer_size, "bad host name %s", host); 1248 return; 1249 } 1250 // zero terminate the host at the point we found the colon 1251 hostbuf[portstr - host] = 0; 1252 if (sscanf(portstr + 1, "%d", &port) == 0) { 1253 snprintf(buffer, buffer_size, "bad port number %s", portstr); 1254 return; 1255 } 1256 } else { 1257 port = DEFAULT_ADB_LOCAL_TRANSPORT_PORT; 1258 } 1259 1260 snprintf(serial, sizeof(serial), "%s:%d", hostbuf, port); 1261 if (find_transport(serial)) { 1262 snprintf(buffer, buffer_size, "already connected to %s", serial); 1263 return; 1264 } 1265 1266 fd = socket_network_client(hostbuf, port, SOCK_STREAM); 1267 if (fd < 0) { 1268 snprintf(buffer, buffer_size, "unable to connect to %s:%d", host, port); 1269 return; 1270 } 1271 1272 D("client: connected on remote on fd %d\n", fd); 1273 close_on_exec(fd); 1274 disable_tcp_nagle(fd); 1275 register_socket_transport(fd, serial, port, 0); 1276 snprintf(buffer, buffer_size, "connected to %s", serial); 1277 } 1278 1279 void connect_emulator(char* port_spec, char* buffer, int buffer_size) 1280 { 1281 char* port_separator = strchr(port_spec, ','); 1282 if (!port_separator) { 1283 snprintf(buffer, buffer_size, 1284 "unable to parse '%s' as <console port>,<adb port>", 1285 port_spec); 1286 return; 1287 } 1288 1289 // Zero-terminate console port and make port_separator point to 2nd port. 1290 *port_separator++ = 0; 1291 int console_port = strtol(port_spec, NULL, 0); 1292 int adb_port = strtol(port_separator, NULL, 0); 1293 if (!(console_port > 0 && adb_port > 0)) { 1294 *(port_separator - 1) = ','; 1295 snprintf(buffer, buffer_size, 1296 "Invalid port numbers: Expected positive numbers, got '%s'", 1297 port_spec); 1298 return; 1299 } 1300 1301 /* Check if the emulator is already known. 1302 * Note: There's a small but harmless race condition here: An emulator not 1303 * present just yet could be registered by another invocation right 1304 * after doing this check here. However, local_connect protects 1305 * against double-registration too. From here, a better error message 1306 * can be produced. In the case of the race condition, the very specific 1307 * error message won't be shown, but the data doesn't get corrupted. */ 1308 atransport* known_emulator = find_emulator_transport_by_adb_port(adb_port); 1309 if (known_emulator != NULL) { 1310 snprintf(buffer, buffer_size, 1311 "Emulator on port %d already registered.", adb_port); 1312 return; 1313 } 1314 1315 /* Check if more emulators can be registered. Similar unproblematic 1316 * race condition as above. */ 1317 int candidate_slot = get_available_local_transport_index(); 1318 if (candidate_slot < 0) { 1319 snprintf(buffer, buffer_size, "Cannot accept more emulators."); 1320 return; 1321 } 1322 1323 /* Preconditions met, try to connect to the emulator. */ 1324 if (!local_connect_arbitrary_ports(console_port, adb_port)) { 1325 snprintf(buffer, buffer_size, 1326 "Connected to emulator on ports %d,%d", console_port, adb_port); 1327 } else { 1328 snprintf(buffer, buffer_size, 1329 "Could not connect to emulator on ports %d,%d", 1330 console_port, adb_port); 1331 } 1332 } 1333 #endif 1334 1335 int handle_host_request(char *service, transport_type ttype, char* serial, int reply_fd, asocket *s) 1336 { 1337 atransport *transport = NULL; 1338 char buf[4096]; 1339 1340 if(!strcmp(service, "kill")) { 1341 fprintf(stderr,"adb server killed by remote request\n"); 1342 fflush(stdout); 1343 adb_write(reply_fd, "OKAY", 4); 1344 usb_cleanup(); 1345 exit(0); 1346 } 1347 1348 #if ADB_HOST 1349 // "transport:" is used for switching transport with a specified serial number 1350 // "transport-usb:" is used for switching transport to the only USB transport 1351 // "transport-local:" is used for switching transport to the only local transport 1352 // "transport-any:" is used for switching transport to the only transport 1353 if (!strncmp(service, "transport", strlen("transport"))) { 1354 char* error_string = "unknown failure"; 1355 transport_type type = kTransportAny; 1356 1357 if (!strncmp(service, "transport-usb", strlen("transport-usb"))) { 1358 type = kTransportUsb; 1359 } else if (!strncmp(service, "transport-local", strlen("transport-local"))) { 1360 type = kTransportLocal; 1361 } else if (!strncmp(service, "transport-any", strlen("transport-any"))) { 1362 type = kTransportAny; 1363 } else if (!strncmp(service, "transport:", strlen("transport:"))) { 1364 service += strlen("transport:"); 1365 serial = service; 1366 } 1367 1368 transport = acquire_one_transport(CS_ANY, type, serial, &error_string); 1369 1370 if (transport) { 1371 s->transport = transport; 1372 adb_write(reply_fd, "OKAY", 4); 1373 } else { 1374 sendfailmsg(reply_fd, error_string); 1375 } 1376 return 1; 1377 } 1378 1379 // return a list of all connected devices 1380 if (!strncmp(service, "devices", 7)) { 1381 char buffer[4096]; 1382 int use_long = !strcmp(service+7, "-l"); 1383 if (use_long || service[7] == 0) { 1384 memset(buf, 0, sizeof(buf)); 1385 memset(buffer, 0, sizeof(buffer)); 1386 D("Getting device list \n"); 1387 list_transports(buffer, sizeof(buffer), use_long); 1388 snprintf(buf, sizeof(buf), "OKAY%04x%s",(unsigned)strlen(buffer),buffer); 1389 D("Wrote device list \n"); 1390 writex(reply_fd, buf, strlen(buf)); 1391 return 0; 1392 } 1393 } 1394 1395 // add a new TCP transport, device or emulator 1396 if (!strncmp(service, "connect:", 8)) { 1397 char buffer[4096]; 1398 char* host = service + 8; 1399 if (!strncmp(host, "emu:", 4)) { 1400 connect_emulator(host + 4, buffer, sizeof(buffer)); 1401 } else { 1402 connect_device(host, buffer, sizeof(buffer)); 1403 } 1404 // Send response for emulator and device 1405 snprintf(buf, sizeof(buf), "OKAY%04x%s",(unsigned)strlen(buffer), buffer); 1406 writex(reply_fd, buf, strlen(buf)); 1407 return 0; 1408 } 1409 1410 // remove TCP transport 1411 if (!strncmp(service, "disconnect:", 11)) { 1412 char buffer[4096]; 1413 memset(buffer, 0, sizeof(buffer)); 1414 char* serial = service + 11; 1415 if (serial[0] == 0) { 1416 // disconnect from all TCP devices 1417 unregister_all_tcp_transports(); 1418 } else { 1419 char hostbuf[100]; 1420 // assume port 5555 if no port is specified 1421 if (!strchr(serial, ':')) { 1422 snprintf(hostbuf, sizeof(hostbuf) - 1, "%s:5555", serial); 1423 serial = hostbuf; 1424 } 1425 atransport *t = find_transport(serial); 1426 1427 if (t) { 1428 unregister_transport(t); 1429 } else { 1430 snprintf(buffer, sizeof(buffer), "No such device %s", serial); 1431 } 1432 } 1433 1434 snprintf(buf, sizeof(buf), "OKAY%04x%s",(unsigned)strlen(buffer), buffer); 1435 writex(reply_fd, buf, strlen(buf)); 1436 return 0; 1437 } 1438 1439 // returns our value for ADB_SERVER_VERSION 1440 if (!strcmp(service, "version")) { 1441 char version[12]; 1442 snprintf(version, sizeof version, "%04x", ADB_SERVER_VERSION); 1443 snprintf(buf, sizeof buf, "OKAY%04x%s", (unsigned)strlen(version), version); 1444 writex(reply_fd, buf, strlen(buf)); 1445 return 0; 1446 } 1447 1448 if(!strncmp(service,"get-serialno",strlen("get-serialno"))) { 1449 char *out = "unknown"; 1450 transport = acquire_one_transport(CS_ANY, ttype, serial, NULL); 1451 if (transport && transport->serial) { 1452 out = transport->serial; 1453 } 1454 snprintf(buf, sizeof buf, "OKAY%04x%s",(unsigned)strlen(out),out); 1455 writex(reply_fd, buf, strlen(buf)); 1456 return 0; 1457 } 1458 if(!strncmp(service,"get-devpath",strlen("get-devpath"))) { 1459 char *out = "unknown"; 1460 transport = acquire_one_transport(CS_ANY, ttype, serial, NULL); 1461 if (transport && transport->devpath) { 1462 out = transport->devpath; 1463 } 1464 snprintf(buf, sizeof buf, "OKAY%04x%s",(unsigned)strlen(out),out); 1465 writex(reply_fd, buf, strlen(buf)); 1466 return 0; 1467 } 1468 // indicates a new emulator instance has started 1469 if (!strncmp(service,"emulator:",9)) { 1470 int port = atoi(service+9); 1471 local_connect(port); 1472 /* we don't even need to send a reply */ 1473 return 0; 1474 } 1475 #endif // ADB_HOST 1476 1477 if(!strncmp(service,"forward:",8) || !strncmp(service,"killforward:",12)) { 1478 char *local, *remote, *err; 1479 int r; 1480 atransport *transport; 1481 1482 int createForward = strncmp(service,"kill",4); 1483 1484 local = service + (createForward ? 8 : 12); 1485 remote = strchr(local,';'); 1486 if(remote == 0) { 1487 sendfailmsg(reply_fd, "malformed forward spec"); 1488 return 0; 1489 } 1490 1491 *remote++ = 0; 1492 if((local[0] == 0) || (remote[0] == 0) || (remote[0] == '*')){ 1493 sendfailmsg(reply_fd, "malformed forward spec"); 1494 return 0; 1495 } 1496 1497 transport = acquire_one_transport(CS_ANY, ttype, serial, &err); 1498 if (!transport) { 1499 sendfailmsg(reply_fd, err); 1500 return 0; 1501 } 1502 1503 if (createForward) { 1504 r = install_listener(local, remote, transport); 1505 } else { 1506 r = remove_listener(local, remote, transport); 1507 } 1508 if(r == 0) { 1509 /* 1st OKAY is connect, 2nd OKAY is status */ 1510 writex(reply_fd, "OKAYOKAY", 8); 1511 return 0; 1512 } 1513 1514 if (createForward) { 1515 sendfailmsg(reply_fd, (r == -1) ? "cannot rebind smartsocket" : "cannot bind socket"); 1516 } else { 1517 sendfailmsg(reply_fd, "cannot remove listener"); 1518 } 1519 return 0; 1520 } 1521 1522 if(!strncmp(service,"get-state",strlen("get-state"))) { 1523 transport = acquire_one_transport(CS_ANY, ttype, serial, NULL); 1524 char *state = connection_state_name(transport); 1525 snprintf(buf, sizeof buf, "OKAY%04x%s",(unsigned)strlen(state),state); 1526 writex(reply_fd, buf, strlen(buf)); 1527 return 0; 1528 } 1529 return -1; 1530 } 1531 1532 #if !ADB_HOST 1533 int recovery_mode = 0; 1534 #endif 1535 1536 int main(int argc, char **argv) 1537 { 1538 #if ADB_HOST 1539 adb_sysdeps_init(); 1540 adb_trace_init(); 1541 D("Handling commandline()\n"); 1542 return adb_commandline(argc - 1, argv + 1); 1543 #else 1544 /* If adbd runs inside the emulator this will enable adb tracing via 1545 * adb-debug qemud service in the emulator. */ 1546 adb_qemu_trace_init(); 1547 if((argc > 1) && (!strcmp(argv[1],"recovery"))) { 1548 adb_device_banner = "recovery"; 1549 recovery_mode = 1; 1550 } 1551 1552 start_device_log(); 1553 D("Handling main()\n"); 1554 return adb_main(0, DEFAULT_ADB_PORT); 1555 #endif 1556 } 1557