adb.c revision cbb9891049628a2a89d566cade88c80ba1ba4a7b
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#include <stdint.h> 29 30#include "sysdeps.h" 31#include "adb.h" 32#include "adb_auth.h" 33 34#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) 35 36#if !ADB_HOST 37#include <private/android_filesystem_config.h> 38#include <linux/capability.h> 39#include <linux/prctl.h> 40#include <sys/mount.h> 41#else 42#include "usb_vendors.h" 43#endif 44 45#if ADB_TRACE 46ADB_MUTEX_DEFINE( D_lock ); 47#endif 48 49int HOST = 0; 50 51static int auth_enabled = 0; 52 53#if !ADB_HOST 54static const char *adb_device_banner = "device"; 55#endif 56 57void fatal(const char *fmt, ...) 58{ 59 va_list ap; 60 va_start(ap, fmt); 61 fprintf(stderr, "error: "); 62 vfprintf(stderr, fmt, ap); 63 fprintf(stderr, "\n"); 64 va_end(ap); 65 exit(-1); 66} 67 68void fatal_errno(const char *fmt, ...) 69{ 70 va_list ap; 71 va_start(ap, fmt); 72 fprintf(stderr, "error: %s: ", strerror(errno)); 73 vfprintf(stderr, fmt, ap); 74 fprintf(stderr, "\n"); 75 va_end(ap); 76 exit(-1); 77} 78 79int adb_trace_mask; 80 81/* read a comma/space/colum/semi-column separated list of tags 82 * from the ADB_TRACE environment variable and build the trace 83 * mask from it. note that '1' and 'all' are special cases to 84 * enable all tracing 85 */ 86void adb_trace_init(void) 87{ 88 const char* p = getenv("ADB_TRACE"); 89 const char* q; 90 91 static const struct { 92 const char* tag; 93 int flag; 94 } tags[] = { 95 { "1", 0 }, 96 { "all", 0 }, 97 { "adb", TRACE_ADB }, 98 { "sockets", TRACE_SOCKETS }, 99 { "packets", TRACE_PACKETS }, 100 { "rwx", TRACE_RWX }, 101 { "usb", TRACE_USB }, 102 { "sync", TRACE_SYNC }, 103 { "sysdeps", TRACE_SYSDEPS }, 104 { "transport", TRACE_TRANSPORT }, 105 { "jdwp", TRACE_JDWP }, 106 { "services", TRACE_SERVICES }, 107 { "auth", TRACE_AUTH }, 108 { NULL, 0 } 109 }; 110 111 if (p == NULL) 112 return; 113 114 /* use a comma/column/semi-colum/space separated list */ 115 while (*p) { 116 int len, tagn; 117 118 q = strpbrk(p, " ,:;"); 119 if (q == NULL) { 120 q = p + strlen(p); 121 } 122 len = q - p; 123 124 for (tagn = 0; tags[tagn].tag != NULL; tagn++) 125 { 126 int taglen = strlen(tags[tagn].tag); 127 128 if (len == taglen && !memcmp(tags[tagn].tag, p, len) ) 129 { 130 int flag = tags[tagn].flag; 131 if (flag == 0) { 132 adb_trace_mask = ~0; 133 return; 134 } 135 adb_trace_mask |= (1 << flag); 136 break; 137 } 138 } 139 p = q; 140 if (*p) 141 p++; 142 } 143} 144 145#if !ADB_HOST 146/* 147 * Implements ADB tracing inside the emulator. 148 */ 149 150#include <stdarg.h> 151 152/* 153 * Redefine open and write for qemu_pipe.h that contains inlined references 154 * to those routines. We will redifine them back after qemu_pipe.h inclusion. 155 */ 156 157#undef open 158#undef write 159#define open adb_open 160#define write adb_write 161#include <hardware/qemu_pipe.h> 162#undef open 163#undef write 164#define open ___xxx_open 165#define write ___xxx_write 166 167/* A handle to adb-debug qemud service in the emulator. */ 168int adb_debug_qemu = -1; 169 170/* Initializes connection with the adb-debug qemud service in the emulator. */ 171static int adb_qemu_trace_init(void) 172{ 173 char con_name[32]; 174 175 if (adb_debug_qemu >= 0) { 176 return 0; 177 } 178 179 /* adb debugging QEMUD service connection request. */ 180 snprintf(con_name, sizeof(con_name), "qemud:adb-debug"); 181 adb_debug_qemu = qemu_pipe_open(con_name); 182 return (adb_debug_qemu >= 0) ? 0 : -1; 183} 184 185void adb_qemu_trace(const char* fmt, ...) 186{ 187 va_list args; 188 va_start(args, fmt); 189 char msg[1024]; 190 191 if (adb_debug_qemu >= 0) { 192 vsnprintf(msg, sizeof(msg), fmt, args); 193 adb_write(adb_debug_qemu, msg, strlen(msg)); 194 } 195} 196#endif /* !ADB_HOST */ 197 198apacket *get_apacket(void) 199{ 200 apacket *p = malloc(sizeof(apacket)); 201 if(p == 0) fatal("failed to allocate an apacket"); 202 memset(p, 0, sizeof(apacket) - MAX_PAYLOAD); 203 return p; 204} 205 206void put_apacket(apacket *p) 207{ 208 free(p); 209} 210 211void handle_online(atransport *t) 212{ 213 D("adb: online\n"); 214 t->online = 1; 215} 216 217void handle_offline(atransport *t) 218{ 219 D("adb: offline\n"); 220 //Close the associated usb 221 t->online = 0; 222 run_transport_disconnects(t); 223} 224 225#if DEBUG_PACKETS 226#define DUMPMAX 32 227void print_packet(const char *label, apacket *p) 228{ 229 char *tag; 230 char *x; 231 unsigned count; 232 233 switch(p->msg.command){ 234 case A_SYNC: tag = "SYNC"; break; 235 case A_CNXN: tag = "CNXN" ; break; 236 case A_OPEN: tag = "OPEN"; break; 237 case A_OKAY: tag = "OKAY"; break; 238 case A_CLSE: tag = "CLSE"; break; 239 case A_WRTE: tag = "WRTE"; break; 240 case A_AUTH: tag = "AUTH"; break; 241 default: tag = "????"; break; 242 } 243 244 fprintf(stderr, "%s: %s %08x %08x %04x \"", 245 label, tag, p->msg.arg0, p->msg.arg1, p->msg.data_length); 246 count = p->msg.data_length; 247 x = (char*) p->data; 248 if(count > DUMPMAX) { 249 count = DUMPMAX; 250 tag = "\n"; 251 } else { 252 tag = "\"\n"; 253 } 254 while(count-- > 0){ 255 if((*x >= ' ') && (*x < 127)) { 256 fputc(*x, stderr); 257 } else { 258 fputc('.', stderr); 259 } 260 x++; 261 } 262 fputs(tag, stderr); 263} 264#endif 265 266static void send_ready(unsigned local, unsigned remote, atransport *t) 267{ 268 D("Calling send_ready \n"); 269 apacket *p = get_apacket(); 270 p->msg.command = A_OKAY; 271 p->msg.arg0 = local; 272 p->msg.arg1 = remote; 273 send_packet(p, t); 274} 275 276static void send_close(unsigned local, unsigned remote, atransport *t) 277{ 278 D("Calling send_close \n"); 279 apacket *p = get_apacket(); 280 p->msg.command = A_CLSE; 281 p->msg.arg0 = local; 282 p->msg.arg1 = remote; 283 send_packet(p, t); 284} 285 286static size_t fill_connect_data(char *buf, size_t bufsize) 287{ 288#if ADB_HOST 289 return snprintf(buf, bufsize, "host::") + 1; 290#else 291 static const char *cnxn_props[] = { 292 "ro.product.name", 293 "ro.product.model", 294 "ro.product.device", 295 }; 296 static const int num_cnxn_props = ARRAY_SIZE(cnxn_props); 297 int i; 298 size_t remaining = bufsize; 299 size_t len; 300 301 len = snprintf(buf, remaining, "%s::", adb_device_banner); 302 remaining -= len; 303 buf += len; 304 for (i = 0; i < num_cnxn_props; i++) { 305 char value[PROPERTY_VALUE_MAX]; 306 property_get(cnxn_props[i], value, ""); 307 len = snprintf(buf, remaining, "%s=%s;", cnxn_props[i], value); 308 remaining -= len; 309 buf += len; 310 } 311 312 return bufsize - remaining + 1; 313#endif 314} 315 316static void send_connect(atransport *t) 317{ 318 D("Calling send_connect \n"); 319 apacket *cp = get_apacket(); 320 cp->msg.command = A_CNXN; 321 cp->msg.arg0 = A_VERSION; 322 cp->msg.arg1 = MAX_PAYLOAD; 323 cp->msg.data_length = fill_connect_data((char *)cp->data, 324 sizeof(cp->data)); 325 send_packet(cp, t); 326} 327 328static void send_auth_request(atransport *t) 329{ 330 D("Calling send_auth_request\n"); 331 apacket *p; 332 int ret; 333 334 ret = adb_auth_generate_token(t->token, sizeof(t->token)); 335 if (ret != sizeof(t->token)) { 336 D("Error generating token ret=%d\n", ret); 337 return; 338 } 339 340 p = get_apacket(); 341 memcpy(p->data, t->token, ret); 342 p->msg.command = A_AUTH; 343 p->msg.arg0 = ADB_AUTH_TOKEN; 344 p->msg.data_length = ret; 345 send_packet(p, t); 346} 347 348static void send_auth_response(uint8_t *token, size_t token_size, atransport *t) 349{ 350 D("Calling send_auth_response\n"); 351 apacket *p = get_apacket(); 352 int ret; 353 354 ret = adb_auth_sign(t->key, token, token_size, p->data); 355 if (!ret) { 356 D("Error signing the token\n"); 357 put_apacket(p); 358 return; 359 } 360 361 p->msg.command = A_AUTH; 362 p->msg.arg0 = ADB_AUTH_SIGNATURE; 363 p->msg.data_length = ret; 364 send_packet(p, t); 365} 366 367static void send_auth_publickey(atransport *t) 368{ 369 D("Calling send_auth_publickey\n"); 370 apacket *p = get_apacket(); 371 int ret; 372 373 ret = adb_auth_get_userkey(p->data, sizeof(p->data)); 374 if (!ret) { 375 D("Failed to get user public key\n"); 376 put_apacket(p); 377 return; 378 } 379 380 p->msg.command = A_AUTH; 381 p->msg.arg0 = ADB_AUTH_RSAPUBLICKEY; 382 p->msg.data_length = ret; 383 send_packet(p, t); 384} 385 386void adb_auth_verified(atransport *t) 387{ 388 handle_online(t); 389 send_connect(t); 390} 391 392static char *connection_state_name(atransport *t) 393{ 394 if (t == NULL) { 395 return "unknown"; 396 } 397 398 switch(t->connection_state) { 399 case CS_BOOTLOADER: 400 return "bootloader"; 401 case CS_DEVICE: 402 return "device"; 403 case CS_OFFLINE: 404 return "offline"; 405 default: 406 return "unknown"; 407 } 408} 409 410/* qual_overwrite is used to overwrite a qualifier string. dst is a 411 * pointer to a char pointer. It is assumed that if *dst is non-NULL, it 412 * was malloc'ed and needs to freed. *dst will be set to a dup of src. 413 */ 414static void qual_overwrite(char **dst, const char *src) 415{ 416 if (!dst) 417 return; 418 419 free(*dst); 420 *dst = NULL; 421 422 if (!src || !*src) 423 return; 424 425 *dst = strdup(src); 426} 427 428void parse_banner(char *banner, atransport *t) 429{ 430 static const char *prop_seps = ";"; 431 static const char key_val_sep = '='; 432 char *cp; 433 char *type; 434 435 D("parse_banner: %s\n", banner); 436 type = banner; 437 cp = strchr(type, ':'); 438 if (cp) { 439 *cp++ = 0; 440 /* Nothing is done with second field. */ 441 cp = strchr(cp, ':'); 442 if (cp) { 443 char *save; 444 char *key; 445 key = adb_strtok_r(cp + 1, prop_seps, &save); 446 while (key) { 447 cp = strchr(key, key_val_sep); 448 if (cp) { 449 *cp++ = '\0'; 450 if (!strcmp(key, "ro.product.name")) 451 qual_overwrite(&t->product, cp); 452 else if (!strcmp(key, "ro.product.model")) 453 qual_overwrite(&t->model, cp); 454 else if (!strcmp(key, "ro.product.device")) 455 qual_overwrite(&t->device, cp); 456 } 457 key = adb_strtok_r(NULL, prop_seps, &save); 458 } 459 } 460 } 461 462 if(!strcmp(type, "bootloader")){ 463 D("setting connection_state to CS_BOOTLOADER\n"); 464 t->connection_state = CS_BOOTLOADER; 465 update_transports(); 466 return; 467 } 468 469 if(!strcmp(type, "device")) { 470 D("setting connection_state to CS_DEVICE\n"); 471 t->connection_state = CS_DEVICE; 472 update_transports(); 473 return; 474 } 475 476 if(!strcmp(type, "recovery")) { 477 D("setting connection_state to CS_RECOVERY\n"); 478 t->connection_state = CS_RECOVERY; 479 update_transports(); 480 return; 481 } 482 483 if(!strcmp(type, "sideload")) { 484 D("setting connection_state to CS_SIDELOAD\n"); 485 t->connection_state = CS_SIDELOAD; 486 update_transports(); 487 return; 488 } 489 490 t->connection_state = CS_HOST; 491} 492 493void handle_packet(apacket *p, atransport *t) 494{ 495 asocket *s; 496 497 D("handle_packet() %c%c%c%c\n", ((char*) (&(p->msg.command)))[0], 498 ((char*) (&(p->msg.command)))[1], 499 ((char*) (&(p->msg.command)))[2], 500 ((char*) (&(p->msg.command)))[3]); 501 print_packet("recv", p); 502 503 switch(p->msg.command){ 504 case A_SYNC: 505 if(p->msg.arg0){ 506 send_packet(p, t); 507 if(HOST) send_connect(t); 508 } else { 509 t->connection_state = CS_OFFLINE; 510 handle_offline(t); 511 send_packet(p, t); 512 } 513 return; 514 515 case A_CNXN: /* CONNECT(version, maxdata, "system-id-string") */ 516 /* XXX verify version, etc */ 517 if(t->connection_state != CS_OFFLINE) { 518 t->connection_state = CS_OFFLINE; 519 handle_offline(t); 520 } 521 522 parse_banner((char*) p->data, t); 523 524 if (HOST || !auth_enabled) { 525 handle_online(t); 526 if(!HOST) send_connect(t); 527 } else { 528 send_auth_request(t); 529 } 530 break; 531 532 case A_AUTH: 533 if (p->msg.arg0 == ADB_AUTH_TOKEN) { 534 t->key = adb_auth_nextkey(t->key); 535 if (t->key) { 536 send_auth_response(p->data, p->msg.data_length, t); 537 } else { 538 /* No more private keys to try, send the public key */ 539 send_auth_publickey(t); 540 } 541 } else if (p->msg.arg0 == ADB_AUTH_SIGNATURE) { 542 if (adb_auth_verify(t->token, p->data, p->msg.data_length)) { 543 adb_auth_verified(t); 544 t->failed_auth_attempts = 0; 545 } else { 546 if (t->failed_auth_attempts++ > 10) 547 adb_sleep_ms(1000); 548 send_auth_request(t); 549 } 550 } else if (p->msg.arg0 == ADB_AUTH_RSAPUBLICKEY) { 551 adb_auth_confirm_key(p->data, p->msg.data_length, t); 552 } 553 break; 554 555 case A_OPEN: /* OPEN(local-id, 0, "destination") */ 556 if (t->online) { 557 char *name = (char*) p->data; 558 name[p->msg.data_length > 0 ? p->msg.data_length - 1 : 0] = 0; 559 s = create_local_service_socket(name); 560 if(s == 0) { 561 send_close(0, p->msg.arg0, t); 562 } else { 563 s->peer = create_remote_socket(p->msg.arg0, t); 564 s->peer->peer = s; 565 send_ready(s->id, s->peer->id, t); 566 s->ready(s); 567 } 568 } 569 break; 570 571 case A_OKAY: /* READY(local-id, remote-id, "") */ 572 if (t->online) { 573 if((s = find_local_socket(p->msg.arg1))) { 574 if(s->peer == 0) { 575 s->peer = create_remote_socket(p->msg.arg0, t); 576 s->peer->peer = s; 577 } 578 s->ready(s); 579 } 580 } 581 break; 582 583 case A_CLSE: /* CLOSE(local-id, remote-id, "") */ 584 if (t->online) { 585 if((s = find_local_socket(p->msg.arg1))) { 586 s->close(s); 587 } 588 } 589 break; 590 591 case A_WRTE: 592 if (t->online) { 593 if((s = find_local_socket(p->msg.arg1))) { 594 unsigned rid = p->msg.arg0; 595 p->len = p->msg.data_length; 596 597 if(s->enqueue(s, p) == 0) { 598 D("Enqueue the socket\n"); 599 send_ready(s->id, rid, t); 600 } 601 return; 602 } 603 } 604 break; 605 606 default: 607 printf("handle_packet: what is %08x?!\n", p->msg.command); 608 } 609 610 put_apacket(p); 611} 612 613alistener listener_list = { 614 .next = &listener_list, 615 .prev = &listener_list, 616}; 617 618static void ss_listener_event_func(int _fd, unsigned ev, void *_l) 619{ 620 asocket *s; 621 622 if(ev & FDE_READ) { 623 struct sockaddr addr; 624 socklen_t alen; 625 int fd; 626 627 alen = sizeof(addr); 628 fd = adb_socket_accept(_fd, &addr, &alen); 629 if(fd < 0) return; 630 631 adb_socket_setbufsize(fd, CHUNK_SIZE); 632 633 s = create_local_socket(fd); 634 if(s) { 635 connect_to_smartsocket(s); 636 return; 637 } 638 639 adb_close(fd); 640 } 641} 642 643static void listener_event_func(int _fd, unsigned ev, void *_l) 644{ 645 alistener *l = _l; 646 asocket *s; 647 648 if(ev & FDE_READ) { 649 struct sockaddr addr; 650 socklen_t alen; 651 int fd; 652 653 alen = sizeof(addr); 654 fd = adb_socket_accept(_fd, &addr, &alen); 655 if(fd < 0) return; 656 657 s = create_local_socket(fd); 658 if(s) { 659 s->transport = l->transport; 660 connect_to_remote(s, l->connect_to); 661 return; 662 } 663 664 adb_close(fd); 665 } 666} 667 668static void free_listener(alistener* l) 669{ 670 if (l->next) { 671 l->next->prev = l->prev; 672 l->prev->next = l->next; 673 l->next = l->prev = l; 674 } 675 676 // closes the corresponding fd 677 fdevent_remove(&l->fde); 678 679 if (l->local_name) 680 free((char*)l->local_name); 681 682 if (l->connect_to) 683 free((char*)l->connect_to); 684 685 if (l->transport) { 686 remove_transport_disconnect(l->transport, &l->disconnect); 687 } 688 free(l); 689} 690 691static void listener_disconnect(void* _l, atransport* t) 692{ 693 alistener* l = _l; 694 695 free_listener(l); 696} 697 698int local_name_to_fd(const char *name) 699{ 700 int port; 701 702 if(!strncmp("tcp:", name, 4)){ 703 int ret; 704 port = atoi(name + 4); 705 ret = socket_loopback_server(port, SOCK_STREAM); 706 return ret; 707 } 708#ifndef HAVE_WIN32_IPC /* no Unix-domain sockets on Win32 */ 709 // It's non-sensical to support the "reserved" space on the adb host side 710 if(!strncmp(name, "local:", 6)) { 711 return socket_local_server(name + 6, 712 ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM); 713 } else if(!strncmp(name, "localabstract:", 14)) { 714 return socket_local_server(name + 14, 715 ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM); 716 } else if(!strncmp(name, "localfilesystem:", 16)) { 717 return socket_local_server(name + 16, 718 ANDROID_SOCKET_NAMESPACE_FILESYSTEM, SOCK_STREAM); 719 } 720 721#endif 722 printf("unknown local portname '%s'\n", name); 723 return -1; 724} 725 726static int remove_listener(const char *local_name, const char *connect_to, atransport* transport) 727{ 728 alistener *l; 729 730 for (l = listener_list.next; l != &listener_list; l = l->next) { 731 if (!strcmp(local_name, l->local_name) && 732 !strcmp(connect_to, l->connect_to) && 733 l->transport && l->transport == transport) { 734 735 listener_disconnect(l, transport); 736 return 0; 737 } 738 } 739 740 return -1; 741} 742 743static int install_listener(const char *local_name, const char *connect_to, atransport* transport) 744{ 745 alistener *l; 746 747 //printf("install_listener('%s','%s')\n", local_name, connect_to); 748 749 for(l = listener_list.next; l != &listener_list; l = l->next){ 750 if(strcmp(local_name, l->local_name) == 0) { 751 char *cto; 752 753 /* can't repurpose a smartsocket */ 754 if(l->connect_to[0] == '*') { 755 return -1; 756 } 757 758 cto = strdup(connect_to); 759 if(cto == 0) { 760 return -1; 761 } 762 763 //printf("rebinding '%s' to '%s'\n", local_name, connect_to); 764 free((void*) l->connect_to); 765 l->connect_to = cto; 766 if (l->transport != transport) { 767 remove_transport_disconnect(l->transport, &l->disconnect); 768 l->transport = transport; 769 add_transport_disconnect(l->transport, &l->disconnect); 770 } 771 return 0; 772 } 773 } 774 775 if((l = calloc(1, sizeof(alistener))) == 0) goto nomem; 776 if((l->local_name = strdup(local_name)) == 0) goto nomem; 777 if((l->connect_to = strdup(connect_to)) == 0) goto nomem; 778 779 780 l->fd = local_name_to_fd(local_name); 781 if(l->fd < 0) { 782 free((void*) l->local_name); 783 free((void*) l->connect_to); 784 free(l); 785 printf("cannot bind '%s'\n", local_name); 786 return -2; 787 } 788 789 close_on_exec(l->fd); 790 if(!strcmp(l->connect_to, "*smartsocket*")) { 791 fdevent_install(&l->fde, l->fd, ss_listener_event_func, l); 792 } else { 793 fdevent_install(&l->fde, l->fd, listener_event_func, l); 794 } 795 fdevent_set(&l->fde, FDE_READ); 796 797 l->next = &listener_list; 798 l->prev = listener_list.prev; 799 l->next->prev = l; 800 l->prev->next = l; 801 l->transport = transport; 802 803 if (transport) { 804 l->disconnect.opaque = l; 805 l->disconnect.func = listener_disconnect; 806 add_transport_disconnect(transport, &l->disconnect); 807 } 808 return 0; 809 810nomem: 811 fatal("cannot allocate listener"); 812 return 0; 813} 814 815#ifdef HAVE_WIN32_PROC 816static BOOL WINAPI ctrlc_handler(DWORD type) 817{ 818 exit(STATUS_CONTROL_C_EXIT); 819 return TRUE; 820} 821#endif 822 823static void adb_cleanup(void) 824{ 825 usb_cleanup(); 826} 827 828void start_logging(void) 829{ 830#ifdef HAVE_WIN32_PROC 831 char temp[ MAX_PATH ]; 832 FILE* fnul; 833 FILE* flog; 834 835 GetTempPath( sizeof(temp) - 8, temp ); 836 strcat( temp, "adb.log" ); 837 838 /* Win32 specific redirections */ 839 fnul = fopen( "NUL", "rt" ); 840 if (fnul != NULL) 841 stdin[0] = fnul[0]; 842 843 flog = fopen( temp, "at" ); 844 if (flog == NULL) 845 flog = fnul; 846 847 setvbuf( flog, NULL, _IONBF, 0 ); 848 849 stdout[0] = flog[0]; 850 stderr[0] = flog[0]; 851 fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); 852#else 853 int fd; 854 855 fd = unix_open("/dev/null", O_RDONLY); 856 dup2(fd, 0); 857 adb_close(fd); 858 859 fd = unix_open("/tmp/adb.log", O_WRONLY | O_CREAT | O_APPEND, 0640); 860 if(fd < 0) { 861 fd = unix_open("/dev/null", O_WRONLY); 862 } 863 dup2(fd, 1); 864 dup2(fd, 2); 865 adb_close(fd); 866 fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); 867#endif 868} 869 870#if !ADB_HOST 871void start_device_log(void) 872{ 873 int fd; 874 char path[PATH_MAX]; 875 struct tm now; 876 time_t t; 877 char value[PROPERTY_VALUE_MAX]; 878 879 // read the trace mask from persistent property persist.adb.trace_mask 880 // give up if the property is not set or cannot be parsed 881 property_get("persist.adb.trace_mask", value, ""); 882 if (sscanf(value, "%x", &adb_trace_mask) != 1) 883 return; 884 885 adb_mkdir("/data/adb", 0775); 886 tzset(); 887 time(&t); 888 localtime_r(&t, &now); 889 strftime(path, sizeof(path), 890 "/data/adb/adb-%Y-%m-%d-%H-%M-%S.txt", 891 &now); 892 fd = unix_open(path, O_WRONLY | O_CREAT | O_TRUNC, 0640); 893 if (fd < 0) 894 return; 895 896 // redirect stdout and stderr to the log file 897 dup2(fd, 1); 898 dup2(fd, 2); 899 fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); 900 adb_close(fd); 901 902 fd = unix_open("/dev/null", O_RDONLY); 903 dup2(fd, 0); 904 adb_close(fd); 905} 906#endif 907 908#if ADB_HOST 909int launch_server(int server_port) 910{ 911#ifdef HAVE_WIN32_PROC 912 /* we need to start the server in the background */ 913 /* we create a PIPE that will be used to wait for the server's "OK" */ 914 /* message since the pipe handles must be inheritable, we use a */ 915 /* security attribute */ 916 HANDLE pipe_read, pipe_write; 917 HANDLE stdout_handle, stderr_handle; 918 SECURITY_ATTRIBUTES sa; 919 STARTUPINFO startup; 920 PROCESS_INFORMATION pinfo; 921 char program_path[ MAX_PATH ]; 922 int ret; 923 924 sa.nLength = sizeof(sa); 925 sa.lpSecurityDescriptor = NULL; 926 sa.bInheritHandle = TRUE; 927 928 /* create pipe, and ensure its read handle isn't inheritable */ 929 ret = CreatePipe( &pipe_read, &pipe_write, &sa, 0 ); 930 if (!ret) { 931 fprintf(stderr, "CreatePipe() failure, error %ld\n", GetLastError() ); 932 return -1; 933 } 934 935 SetHandleInformation( pipe_read, HANDLE_FLAG_INHERIT, 0 ); 936 937 /* Some programs want to launch an adb command and collect its output by 938 * calling CreateProcess with inheritable stdout/stderr handles, then 939 * using read() to get its output. When this happens, the stdout/stderr 940 * handles passed to the adb client process will also be inheritable. 941 * When starting the adb server here, care must be taken to reset them 942 * to non-inheritable. 943 * Otherwise, something bad happens: even if the adb command completes, 944 * the calling process is stuck while read()-ing from the stdout/stderr 945 * descriptors, because they're connected to corresponding handles in the 946 * adb server process (even if the latter never uses/writes to them). 947 */ 948 stdout_handle = GetStdHandle( STD_OUTPUT_HANDLE ); 949 stderr_handle = GetStdHandle( STD_ERROR_HANDLE ); 950 if (stdout_handle != INVALID_HANDLE_VALUE) { 951 SetHandleInformation( stdout_handle, HANDLE_FLAG_INHERIT, 0 ); 952 } 953 if (stderr_handle != INVALID_HANDLE_VALUE) { 954 SetHandleInformation( stderr_handle, HANDLE_FLAG_INHERIT, 0 ); 955 } 956 957 ZeroMemory( &startup, sizeof(startup) ); 958 startup.cb = sizeof(startup); 959 startup.hStdInput = GetStdHandle( STD_INPUT_HANDLE ); 960 startup.hStdOutput = pipe_write; 961 startup.hStdError = GetStdHandle( STD_ERROR_HANDLE ); 962 startup.dwFlags = STARTF_USESTDHANDLES; 963 964 ZeroMemory( &pinfo, sizeof(pinfo) ); 965 966 /* get path of current program */ 967 GetModuleFileName( NULL, program_path, sizeof(program_path) ); 968 969 ret = CreateProcess( 970 program_path, /* program path */ 971 "adb fork-server server", 972 /* the fork-server argument will set the 973 debug = 2 in the child */ 974 NULL, /* process handle is not inheritable */ 975 NULL, /* thread handle is not inheritable */ 976 TRUE, /* yes, inherit some handles */ 977 DETACHED_PROCESS, /* the new process doesn't have a console */ 978 NULL, /* use parent's environment block */ 979 NULL, /* use parent's starting directory */ 980 &startup, /* startup info, i.e. std handles */ 981 &pinfo ); 982 983 CloseHandle( pipe_write ); 984 985 if (!ret) { 986 fprintf(stderr, "CreateProcess failure, error %ld\n", GetLastError() ); 987 CloseHandle( pipe_read ); 988 return -1; 989 } 990 991 CloseHandle( pinfo.hProcess ); 992 CloseHandle( pinfo.hThread ); 993 994 /* wait for the "OK\n" message */ 995 { 996 char temp[3]; 997 DWORD count; 998 999 ret = ReadFile( pipe_read, temp, 3, &count, NULL ); 1000 CloseHandle( pipe_read ); 1001 if ( !ret ) { 1002 fprintf(stderr, "could not read ok from ADB Server, error = %ld\n", GetLastError() ); 1003 return -1; 1004 } 1005 if (count != 3 || temp[0] != 'O' || temp[1] != 'K' || temp[2] != '\n') { 1006 fprintf(stderr, "ADB server didn't ACK\n" ); 1007 return -1; 1008 } 1009 } 1010#elif defined(HAVE_FORKEXEC) 1011 char path[PATH_MAX]; 1012 int fd[2]; 1013 1014 // set up a pipe so the child can tell us when it is ready. 1015 // fd[0] will be parent's end, and fd[1] will get mapped to stderr in the child. 1016 if (pipe(fd)) { 1017 fprintf(stderr, "pipe failed in launch_server, errno: %d\n", errno); 1018 return -1; 1019 } 1020 get_my_path(path, PATH_MAX); 1021 pid_t pid = fork(); 1022 if(pid < 0) return -1; 1023 1024 if (pid == 0) { 1025 // child side of the fork 1026 1027 // redirect stderr to the pipe 1028 // we use stderr instead of stdout due to stdout's buffering behavior. 1029 adb_close(fd[0]); 1030 dup2(fd[1], STDERR_FILENO); 1031 adb_close(fd[1]); 1032 1033 // child process 1034 int result = execl(path, "adb", "fork-server", "server", NULL); 1035 // this should not return 1036 fprintf(stderr, "OOPS! execl returned %d, errno: %d\n", result, errno); 1037 } else { 1038 // parent side of the fork 1039 1040 char temp[3]; 1041 1042 temp[0] = 'A'; temp[1] = 'B'; temp[2] = 'C'; 1043 // wait for the "OK\n" message 1044 adb_close(fd[1]); 1045 int ret = adb_read(fd[0], temp, 3); 1046 int saved_errno = errno; 1047 adb_close(fd[0]); 1048 if (ret < 0) { 1049 fprintf(stderr, "could not read ok from ADB Server, errno = %d\n", saved_errno); 1050 return -1; 1051 } 1052 if (ret != 3 || temp[0] != 'O' || temp[1] != 'K' || temp[2] != '\n') { 1053 fprintf(stderr, "ADB server didn't ACK\n" ); 1054 return -1; 1055 } 1056 1057 setsid(); 1058 } 1059#else 1060#error "cannot implement background server start on this platform" 1061#endif 1062 return 0; 1063} 1064#endif 1065 1066/* Constructs a local name of form tcp:port. 1067 * target_str points to the target string, it's content will be overwritten. 1068 * target_size is the capacity of the target string. 1069 * server_port is the port number to use for the local name. 1070 */ 1071void build_local_name(char* target_str, size_t target_size, int server_port) 1072{ 1073 snprintf(target_str, target_size, "tcp:%d", server_port); 1074} 1075 1076#if !ADB_HOST 1077static int should_drop_privileges() { 1078#ifndef ALLOW_ADBD_ROOT 1079 return 1; 1080#else /* ALLOW_ADBD_ROOT */ 1081 int secure = 0; 1082 char value[PROPERTY_VALUE_MAX]; 1083 1084 /* run adbd in secure mode if ro.secure is set and 1085 ** we are not in the emulator 1086 */ 1087 property_get("ro.kernel.qemu", value, ""); 1088 if (strcmp(value, "1") != 0) { 1089 property_get("ro.secure", value, "1"); 1090 if (strcmp(value, "1") == 0) { 1091 // don't run as root if ro.secure is set... 1092 secure = 1; 1093 1094 // ... except we allow running as root in userdebug builds if the 1095 // service.adb.root property has been set by the "adb root" command 1096 property_get("ro.debuggable", value, ""); 1097 if (strcmp(value, "1") == 0) { 1098 property_get("service.adb.root", value, ""); 1099 if (strcmp(value, "1") == 0) { 1100 secure = 0; 1101 } 1102 } 1103 } 1104 } 1105 return secure; 1106#endif /* ALLOW_ADBD_ROOT */ 1107} 1108#endif /* !ADB_HOST */ 1109 1110int adb_main(int is_daemon, int server_port) 1111{ 1112#if !ADB_HOST 1113 int port; 1114 char value[PROPERTY_VALUE_MAX]; 1115 1116 umask(000); 1117#endif 1118 1119 atexit(adb_cleanup); 1120#ifdef HAVE_WIN32_PROC 1121 SetConsoleCtrlHandler( ctrlc_handler, TRUE ); 1122#elif defined(HAVE_FORKEXEC) 1123 // No SIGCHLD. Let the service subproc handle its children. 1124 signal(SIGPIPE, SIG_IGN); 1125#endif 1126 1127 init_transport_registration(); 1128 1129#if ADB_HOST 1130 HOST = 1; 1131 usb_vendors_init(); 1132 usb_init(); 1133 local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT); 1134 adb_auth_init(); 1135 1136 char local_name[30]; 1137 build_local_name(local_name, sizeof(local_name), server_port); 1138 if(install_listener(local_name, "*smartsocket*", NULL)) { 1139 exit(1); 1140 } 1141#else 1142 property_get("ro.adb.secure", value, "0"); 1143 auth_enabled = !strcmp(value, "1"); 1144 if (auth_enabled) 1145 adb_auth_init(); 1146 1147 // Our external storage path may be different than apps, since 1148 // we aren't able to bind mount after dropping root. 1149 const char* adb_external_storage = getenv("ADB_EXTERNAL_STORAGE"); 1150 if (NULL != adb_external_storage) { 1151 setenv("EXTERNAL_STORAGE", adb_external_storage, 1); 1152 } else { 1153 D("Warning: ADB_EXTERNAL_STORAGE is not set. Leaving EXTERNAL_STORAGE" 1154 " unchanged.\n"); 1155 } 1156 1157 /* don't listen on a port (default 5037) if running in secure mode */ 1158 /* don't run as root if we are running in secure mode */ 1159 if (should_drop_privileges()) { 1160 struct __user_cap_header_struct header; 1161 struct __user_cap_data_struct cap; 1162 1163 if (prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0) != 0) { 1164 exit(1); 1165 } 1166 1167 /* add extra groups: 1168 ** AID_ADB to access the USB driver 1169 ** AID_LOG to read system logs (adb logcat) 1170 ** AID_INPUT to diagnose input issues (getevent) 1171 ** AID_INET to diagnose network issues (netcfg, ping) 1172 ** AID_GRAPHICS to access the frame buffer 1173 ** AID_NET_BT and AID_NET_BT_ADMIN to diagnose bluetooth (hcidump) 1174 ** AID_SDCARD_R to allow reading from the SD card 1175 ** AID_SDCARD_RW to allow writing to the SD card 1176 ** AID_MOUNT to allow unmounting the SD card before rebooting 1177 ** AID_NET_BW_STATS to read out qtaguid statistics 1178 */ 1179 gid_t groups[] = { AID_ADB, AID_LOG, AID_INPUT, AID_INET, AID_GRAPHICS, 1180 AID_NET_BT, AID_NET_BT_ADMIN, AID_SDCARD_R, AID_SDCARD_RW, 1181 AID_MOUNT, AID_NET_BW_STATS }; 1182 if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) { 1183 exit(1); 1184 } 1185 1186 /* then switch user and group to "shell" */ 1187 if (setgid(AID_SHELL) != 0) { 1188 exit(1); 1189 } 1190 if (setuid(AID_SHELL) != 0) { 1191 exit(1); 1192 } 1193 1194 /* set CAP_SYS_BOOT capability, so "adb reboot" will succeed */ 1195 header.version = _LINUX_CAPABILITY_VERSION; 1196 header.pid = 0; 1197 cap.effective = cap.permitted = (1 << CAP_SYS_BOOT); 1198 cap.inheritable = 0; 1199 capset(&header, &cap); 1200 1201 D("Local port disabled\n"); 1202 } else { 1203 char local_name[30]; 1204 build_local_name(local_name, sizeof(local_name), server_port); 1205 if(install_listener(local_name, "*smartsocket*", NULL)) { 1206 exit(1); 1207 } 1208 } 1209 1210 int usb = 0; 1211 if (access(USB_ADB_PATH, F_OK) == 0 || access(USB_FFS_ADB_EP0, F_OK) == 0) { 1212 // listen on USB 1213 usb_init(); 1214 usb = 1; 1215 } 1216 1217 // If one of these properties is set, also listen on that port 1218 // If one of the properties isn't set and we couldn't listen on usb, 1219 // listen on the default port. 1220 property_get("service.adb.tcp.port", value, ""); 1221 if (!value[0]) { 1222 property_get("persist.adb.tcp.port", value, ""); 1223 } 1224 if (sscanf(value, "%d", &port) == 1 && port > 0) { 1225 printf("using port=%d\n", port); 1226 // listen on TCP port specified by service.adb.tcp.port property 1227 local_init(port); 1228 } else if (!usb) { 1229 // listen on default port 1230 local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT); 1231 } 1232 1233 D("adb_main(): pre init_jdwp()\n"); 1234 init_jdwp(); 1235 D("adb_main(): post init_jdwp()\n"); 1236#endif 1237 1238 if (is_daemon) 1239 { 1240 // inform our parent that we are up and running. 1241#ifdef HAVE_WIN32_PROC 1242 DWORD count; 1243 WriteFile( GetStdHandle( STD_OUTPUT_HANDLE ), "OK\n", 3, &count, NULL ); 1244#elif defined(HAVE_FORKEXEC) 1245 fprintf(stderr, "OK\n"); 1246#endif 1247 start_logging(); 1248 } 1249 D("Event loop starting\n"); 1250 1251 fdevent_loop(); 1252 1253 usb_cleanup(); 1254 1255 return 0; 1256} 1257 1258#if ADB_HOST 1259void connect_device(char* host, char* buffer, int buffer_size) 1260{ 1261 int port, fd; 1262 char* portstr = strchr(host, ':'); 1263 char hostbuf[100]; 1264 char serial[100]; 1265 1266 strncpy(hostbuf, host, sizeof(hostbuf) - 1); 1267 if (portstr) { 1268 if (portstr - host >= (ptrdiff_t)sizeof(hostbuf)) { 1269 snprintf(buffer, buffer_size, "bad host name %s", host); 1270 return; 1271 } 1272 // zero terminate the host at the point we found the colon 1273 hostbuf[portstr - host] = 0; 1274 if (sscanf(portstr + 1, "%d", &port) == 0) { 1275 snprintf(buffer, buffer_size, "bad port number %s", portstr); 1276 return; 1277 } 1278 } else { 1279 port = DEFAULT_ADB_LOCAL_TRANSPORT_PORT; 1280 } 1281 1282 snprintf(serial, sizeof(serial), "%s:%d", hostbuf, port); 1283 if (find_transport(serial)) { 1284 snprintf(buffer, buffer_size, "already connected to %s", serial); 1285 return; 1286 } 1287 1288 fd = socket_network_client(hostbuf, port, SOCK_STREAM); 1289 if (fd < 0) { 1290 snprintf(buffer, buffer_size, "unable to connect to %s:%d", host, port); 1291 return; 1292 } 1293 1294 D("client: connected on remote on fd %d\n", fd); 1295 close_on_exec(fd); 1296 disable_tcp_nagle(fd); 1297 register_socket_transport(fd, serial, port, 0); 1298 snprintf(buffer, buffer_size, "connected to %s", serial); 1299} 1300 1301void connect_emulator(char* port_spec, char* buffer, int buffer_size) 1302{ 1303 char* port_separator = strchr(port_spec, ','); 1304 if (!port_separator) { 1305 snprintf(buffer, buffer_size, 1306 "unable to parse '%s' as <console port>,<adb port>", 1307 port_spec); 1308 return; 1309 } 1310 1311 // Zero-terminate console port and make port_separator point to 2nd port. 1312 *port_separator++ = 0; 1313 int console_port = strtol(port_spec, NULL, 0); 1314 int adb_port = strtol(port_separator, NULL, 0); 1315 if (!(console_port > 0 && adb_port > 0)) { 1316 *(port_separator - 1) = ','; 1317 snprintf(buffer, buffer_size, 1318 "Invalid port numbers: Expected positive numbers, got '%s'", 1319 port_spec); 1320 return; 1321 } 1322 1323 /* Check if the emulator is already known. 1324 * Note: There's a small but harmless race condition here: An emulator not 1325 * present just yet could be registered by another invocation right 1326 * after doing this check here. However, local_connect protects 1327 * against double-registration too. From here, a better error message 1328 * can be produced. In the case of the race condition, the very specific 1329 * error message won't be shown, but the data doesn't get corrupted. */ 1330 atransport* known_emulator = find_emulator_transport_by_adb_port(adb_port); 1331 if (known_emulator != NULL) { 1332 snprintf(buffer, buffer_size, 1333 "Emulator on port %d already registered.", adb_port); 1334 return; 1335 } 1336 1337 /* Check if more emulators can be registered. Similar unproblematic 1338 * race condition as above. */ 1339 int candidate_slot = get_available_local_transport_index(); 1340 if (candidate_slot < 0) { 1341 snprintf(buffer, buffer_size, "Cannot accept more emulators."); 1342 return; 1343 } 1344 1345 /* Preconditions met, try to connect to the emulator. */ 1346 if (!local_connect_arbitrary_ports(console_port, adb_port)) { 1347 snprintf(buffer, buffer_size, 1348 "Connected to emulator on ports %d,%d", console_port, adb_port); 1349 } else { 1350 snprintf(buffer, buffer_size, 1351 "Could not connect to emulator on ports %d,%d", 1352 console_port, adb_port); 1353 } 1354} 1355#endif 1356 1357int handle_host_request(char *service, transport_type ttype, char* serial, int reply_fd, asocket *s) 1358{ 1359 atransport *transport = NULL; 1360 char buf[4096]; 1361 1362 if(!strcmp(service, "kill")) { 1363 fprintf(stderr,"adb server killed by remote request\n"); 1364 fflush(stdout); 1365 adb_write(reply_fd, "OKAY", 4); 1366 usb_cleanup(); 1367 exit(0); 1368 } 1369 1370#if ADB_HOST 1371 // "transport:" is used for switching transport with a specified serial number 1372 // "transport-usb:" is used for switching transport to the only USB transport 1373 // "transport-local:" is used for switching transport to the only local transport 1374 // "transport-any:" is used for switching transport to the only transport 1375 if (!strncmp(service, "transport", strlen("transport"))) { 1376 char* error_string = "unknown failure"; 1377 transport_type type = kTransportAny; 1378 1379 if (!strncmp(service, "transport-usb", strlen("transport-usb"))) { 1380 type = kTransportUsb; 1381 } else if (!strncmp(service, "transport-local", strlen("transport-local"))) { 1382 type = kTransportLocal; 1383 } else if (!strncmp(service, "transport-any", strlen("transport-any"))) { 1384 type = kTransportAny; 1385 } else if (!strncmp(service, "transport:", strlen("transport:"))) { 1386 service += strlen("transport:"); 1387 serial = service; 1388 } 1389 1390 transport = acquire_one_transport(CS_ANY, type, serial, &error_string); 1391 1392 if (transport) { 1393 s->transport = transport; 1394 adb_write(reply_fd, "OKAY", 4); 1395 } else { 1396 sendfailmsg(reply_fd, error_string); 1397 } 1398 return 1; 1399 } 1400 1401 // return a list of all connected devices 1402 if (!strncmp(service, "devices", 7)) { 1403 char buffer[4096]; 1404 int use_long = !strcmp(service+7, "-l"); 1405 if (use_long || service[7] == 0) { 1406 memset(buf, 0, sizeof(buf)); 1407 memset(buffer, 0, sizeof(buffer)); 1408 D("Getting device list \n"); 1409 list_transports(buffer, sizeof(buffer), use_long); 1410 snprintf(buf, sizeof(buf), "OKAY%04x%s",(unsigned)strlen(buffer),buffer); 1411 D("Wrote device list \n"); 1412 writex(reply_fd, buf, strlen(buf)); 1413 return 0; 1414 } 1415 } 1416 1417 // add a new TCP transport, device or emulator 1418 if (!strncmp(service, "connect:", 8)) { 1419 char buffer[4096]; 1420 char* host = service + 8; 1421 if (!strncmp(host, "emu:", 4)) { 1422 connect_emulator(host + 4, buffer, sizeof(buffer)); 1423 } else { 1424 connect_device(host, buffer, sizeof(buffer)); 1425 } 1426 // Send response for emulator and device 1427 snprintf(buf, sizeof(buf), "OKAY%04x%s",(unsigned)strlen(buffer), buffer); 1428 writex(reply_fd, buf, strlen(buf)); 1429 return 0; 1430 } 1431 1432 // remove TCP transport 1433 if (!strncmp(service, "disconnect:", 11)) { 1434 char buffer[4096]; 1435 memset(buffer, 0, sizeof(buffer)); 1436 char* serial = service + 11; 1437 if (serial[0] == 0) { 1438 // disconnect from all TCP devices 1439 unregister_all_tcp_transports(); 1440 } else { 1441 char hostbuf[100]; 1442 // assume port 5555 if no port is specified 1443 if (!strchr(serial, ':')) { 1444 snprintf(hostbuf, sizeof(hostbuf) - 1, "%s:5555", serial); 1445 serial = hostbuf; 1446 } 1447 atransport *t = find_transport(serial); 1448 1449 if (t) { 1450 unregister_transport(t); 1451 } else { 1452 snprintf(buffer, sizeof(buffer), "No such device %s", serial); 1453 } 1454 } 1455 1456 snprintf(buf, sizeof(buf), "OKAY%04x%s",(unsigned)strlen(buffer), buffer); 1457 writex(reply_fd, buf, strlen(buf)); 1458 return 0; 1459 } 1460 1461 // returns our value for ADB_SERVER_VERSION 1462 if (!strcmp(service, "version")) { 1463 char version[12]; 1464 snprintf(version, sizeof version, "%04x", ADB_SERVER_VERSION); 1465 snprintf(buf, sizeof buf, "OKAY%04x%s", (unsigned)strlen(version), version); 1466 writex(reply_fd, buf, strlen(buf)); 1467 return 0; 1468 } 1469 1470 if(!strncmp(service,"get-serialno",strlen("get-serialno"))) { 1471 char *out = "unknown"; 1472 transport = acquire_one_transport(CS_ANY, ttype, serial, NULL); 1473 if (transport && transport->serial) { 1474 out = transport->serial; 1475 } 1476 snprintf(buf, sizeof buf, "OKAY%04x%s",(unsigned)strlen(out),out); 1477 writex(reply_fd, buf, strlen(buf)); 1478 return 0; 1479 } 1480 if(!strncmp(service,"get-devpath",strlen("get-devpath"))) { 1481 char *out = "unknown"; 1482 transport = acquire_one_transport(CS_ANY, ttype, serial, NULL); 1483 if (transport && transport->devpath) { 1484 out = transport->devpath; 1485 } 1486 snprintf(buf, sizeof buf, "OKAY%04x%s",(unsigned)strlen(out),out); 1487 writex(reply_fd, buf, strlen(buf)); 1488 return 0; 1489 } 1490 // indicates a new emulator instance has started 1491 if (!strncmp(service,"emulator:",9)) { 1492 int port = atoi(service+9); 1493 local_connect(port); 1494 /* we don't even need to send a reply */ 1495 return 0; 1496 } 1497#endif // ADB_HOST 1498 1499 if(!strncmp(service,"forward:",8) || !strncmp(service,"killforward:",12)) { 1500 char *local, *remote, *err; 1501 int r; 1502 atransport *transport; 1503 1504 int createForward = strncmp(service,"kill",4); 1505 1506 local = service + (createForward ? 8 : 12); 1507 remote = strchr(local,';'); 1508 if(remote == 0) { 1509 sendfailmsg(reply_fd, "malformed forward spec"); 1510 return 0; 1511 } 1512 1513 *remote++ = 0; 1514 if((local[0] == 0) || (remote[0] == 0) || (remote[0] == '*')){ 1515 sendfailmsg(reply_fd, "malformed forward spec"); 1516 return 0; 1517 } 1518 1519 transport = acquire_one_transport(CS_ANY, ttype, serial, &err); 1520 if (!transport) { 1521 sendfailmsg(reply_fd, err); 1522 return 0; 1523 } 1524 1525 if (createForward) { 1526 r = install_listener(local, remote, transport); 1527 } else { 1528 r = remove_listener(local, remote, transport); 1529 } 1530 if(r == 0) { 1531 /* 1st OKAY is connect, 2nd OKAY is status */ 1532 writex(reply_fd, "OKAYOKAY", 8); 1533 return 0; 1534 } 1535 1536 if (createForward) { 1537 sendfailmsg(reply_fd, (r == -1) ? "cannot rebind smartsocket" : "cannot bind socket"); 1538 } else { 1539 sendfailmsg(reply_fd, "cannot remove listener"); 1540 } 1541 return 0; 1542 } 1543 1544 if(!strncmp(service,"get-state",strlen("get-state"))) { 1545 transport = acquire_one_transport(CS_ANY, ttype, serial, NULL); 1546 char *state = connection_state_name(transport); 1547 snprintf(buf, sizeof buf, "OKAY%04x%s",(unsigned)strlen(state),state); 1548 writex(reply_fd, buf, strlen(buf)); 1549 return 0; 1550 } 1551 return -1; 1552} 1553 1554#if !ADB_HOST 1555int recovery_mode = 0; 1556#endif 1557 1558int main(int argc, char **argv) 1559{ 1560#if ADB_HOST 1561 adb_sysdeps_init(); 1562 adb_trace_init(); 1563 D("Handling commandline()\n"); 1564 return adb_commandline(argc - 1, argv + 1); 1565#else 1566 /* If adbd runs inside the emulator this will enable adb tracing via 1567 * adb-debug qemud service in the emulator. */ 1568 adb_qemu_trace_init(); 1569 if((argc > 1) && (!strcmp(argv[1],"recovery"))) { 1570 adb_device_banner = "recovery"; 1571 recovery_mode = 1; 1572 } 1573 1574 start_device_log(); 1575 D("Handling main()\n"); 1576 return adb_main(0, DEFAULT_ADB_PORT); 1577#endif 1578} 1579