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 <cutils/properties.h> 38 #include <private/android_filesystem_config.h> 39 #include <sys/capability.h> 40 #include <linux/prctl.h> 41 #include <sys/mount.h> 42 #else 43 #include "usb_vendors.h" 44 #endif 45 46 #if ADB_TRACE 47 ADB_MUTEX_DEFINE( D_lock ); 48 #endif 49 50 int HOST = 0; 51 int gListenAll = 0; 52 53 static int auth_enabled = 0; 54 55 #if !ADB_HOST 56 static const char *adb_device_banner = "device"; 57 #endif 58 59 void fatal(const char *fmt, ...) 60 { 61 va_list ap; 62 va_start(ap, fmt); 63 fprintf(stderr, "error: "); 64 vfprintf(stderr, fmt, ap); 65 fprintf(stderr, "\n"); 66 va_end(ap); 67 exit(-1); 68 } 69 70 void fatal_errno(const char *fmt, ...) 71 { 72 va_list ap; 73 va_start(ap, fmt); 74 fprintf(stderr, "error: %s: ", strerror(errno)); 75 vfprintf(stderr, fmt, ap); 76 fprintf(stderr, "\n"); 77 va_end(ap); 78 exit(-1); 79 } 80 81 int adb_trace_mask; 82 83 /* read a comma/space/colum/semi-column separated list of tags 84 * from the ADB_TRACE environment variable and build the trace 85 * mask from it. note that '1' and 'all' are special cases to 86 * enable all tracing 87 */ 88 void adb_trace_init(void) 89 { 90 const char* p = getenv("ADB_TRACE"); 91 const char* q; 92 93 static const struct { 94 const char* tag; 95 int flag; 96 } tags[] = { 97 { "1", 0 }, 98 { "all", 0 }, 99 { "adb", TRACE_ADB }, 100 { "sockets", TRACE_SOCKETS }, 101 { "packets", TRACE_PACKETS }, 102 { "rwx", TRACE_RWX }, 103 { "usb", TRACE_USB }, 104 { "sync", TRACE_SYNC }, 105 { "sysdeps", TRACE_SYSDEPS }, 106 { "transport", TRACE_TRANSPORT }, 107 { "jdwp", TRACE_JDWP }, 108 { "services", TRACE_SERVICES }, 109 { "auth", TRACE_AUTH }, 110 { NULL, 0 } 111 }; 112 113 if (p == NULL) 114 return; 115 116 /* use a comma/column/semi-colum/space separated list */ 117 while (*p) { 118 int len, tagn; 119 120 q = strpbrk(p, " ,:;"); 121 if (q == NULL) { 122 q = p + strlen(p); 123 } 124 len = q - p; 125 126 for (tagn = 0; tags[tagn].tag != NULL; tagn++) 127 { 128 int taglen = strlen(tags[tagn].tag); 129 130 if (len == taglen && !memcmp(tags[tagn].tag, p, len) ) 131 { 132 int flag = tags[tagn].flag; 133 if (flag == 0) { 134 adb_trace_mask = ~0; 135 return; 136 } 137 adb_trace_mask |= (1 << flag); 138 break; 139 } 140 } 141 p = q; 142 if (*p) 143 p++; 144 } 145 } 146 147 #if !ADB_HOST 148 /* 149 * Implements ADB tracing inside the emulator. 150 */ 151 152 #include <stdarg.h> 153 154 /* 155 * Redefine open and write for qemu_pipe.h that contains inlined references 156 * to those routines. We will redifine them back after qemu_pipe.h inclusion. 157 */ 158 159 #undef open 160 #undef write 161 #define open adb_open 162 #define write adb_write 163 #include <hardware/qemu_pipe.h> 164 #undef open 165 #undef write 166 #define open ___xxx_open 167 #define write ___xxx_write 168 169 /* A handle to adb-debug qemud service in the emulator. */ 170 int adb_debug_qemu = -1; 171 172 /* Initializes connection with the adb-debug qemud service in the emulator. */ 173 static int adb_qemu_trace_init(void) 174 { 175 char con_name[32]; 176 177 if (adb_debug_qemu >= 0) { 178 return 0; 179 } 180 181 /* adb debugging QEMUD service connection request. */ 182 snprintf(con_name, sizeof(con_name), "qemud:adb-debug"); 183 adb_debug_qemu = qemu_pipe_open(con_name); 184 return (adb_debug_qemu >= 0) ? 0 : -1; 185 } 186 187 void adb_qemu_trace(const char* fmt, ...) 188 { 189 va_list args; 190 va_start(args, fmt); 191 char msg[1024]; 192 193 if (adb_debug_qemu >= 0) { 194 vsnprintf(msg, sizeof(msg), fmt, args); 195 adb_write(adb_debug_qemu, msg, strlen(msg)); 196 } 197 } 198 #endif /* !ADB_HOST */ 199 200 apacket *get_apacket(void) 201 { 202 apacket *p = malloc(sizeof(apacket)); 203 if(p == 0) fatal("failed to allocate an apacket"); 204 memset(p, 0, sizeof(apacket) - MAX_PAYLOAD); 205 return p; 206 } 207 208 void put_apacket(apacket *p) 209 { 210 free(p); 211 } 212 213 void handle_online(atransport *t) 214 { 215 D("adb: online\n"); 216 t->online = 1; 217 } 218 219 void handle_offline(atransport *t) 220 { 221 D("adb: offline\n"); 222 //Close the associated usb 223 t->online = 0; 224 run_transport_disconnects(t); 225 } 226 227 #if DEBUG_PACKETS 228 #define DUMPMAX 32 229 void print_packet(const char *label, apacket *p) 230 { 231 char *tag; 232 char *x; 233 unsigned count; 234 235 switch(p->msg.command){ 236 case A_SYNC: tag = "SYNC"; break; 237 case A_CNXN: tag = "CNXN" ; break; 238 case A_OPEN: tag = "OPEN"; break; 239 case A_OKAY: tag = "OKAY"; break; 240 case A_CLSE: tag = "CLSE"; break; 241 case A_WRTE: tag = "WRTE"; break; 242 case A_AUTH: tag = "AUTH"; break; 243 default: tag = "????"; break; 244 } 245 246 fprintf(stderr, "%s: %s %08x %08x %04x \"", 247 label, tag, p->msg.arg0, p->msg.arg1, p->msg.data_length); 248 count = p->msg.data_length; 249 x = (char*) p->data; 250 if(count > DUMPMAX) { 251 count = DUMPMAX; 252 tag = "\n"; 253 } else { 254 tag = "\"\n"; 255 } 256 while(count-- > 0){ 257 if((*x >= ' ') && (*x < 127)) { 258 fputc(*x, stderr); 259 } else { 260 fputc('.', stderr); 261 } 262 x++; 263 } 264 fputs(tag, stderr); 265 } 266 #endif 267 268 static void send_ready(unsigned local, unsigned remote, atransport *t) 269 { 270 D("Calling send_ready \n"); 271 apacket *p = get_apacket(); 272 p->msg.command = A_OKAY; 273 p->msg.arg0 = local; 274 p->msg.arg1 = remote; 275 send_packet(p, t); 276 } 277 278 static void send_close(unsigned local, unsigned remote, atransport *t) 279 { 280 D("Calling send_close \n"); 281 apacket *p = get_apacket(); 282 p->msg.command = A_CLSE; 283 p->msg.arg0 = local; 284 p->msg.arg1 = remote; 285 send_packet(p, t); 286 } 287 288 static size_t fill_connect_data(char *buf, size_t bufsize) 289 { 290 #if ADB_HOST 291 return snprintf(buf, bufsize, "host::") + 1; 292 #else 293 static const char *cnxn_props[] = { 294 "ro.product.name", 295 "ro.product.model", 296 "ro.product.device", 297 }; 298 static const int num_cnxn_props = ARRAY_SIZE(cnxn_props); 299 int i; 300 size_t remaining = bufsize; 301 size_t len; 302 303 len = snprintf(buf, remaining, "%s::", adb_device_banner); 304 remaining -= len; 305 buf += len; 306 for (i = 0; i < num_cnxn_props; i++) { 307 char value[PROPERTY_VALUE_MAX]; 308 property_get(cnxn_props[i], value, ""); 309 len = snprintf(buf, remaining, "%s=%s;", cnxn_props[i], value); 310 remaining -= len; 311 buf += len; 312 } 313 314 return bufsize - remaining + 1; 315 #endif 316 } 317 318 static void send_connect(atransport *t) 319 { 320 D("Calling send_connect \n"); 321 apacket *cp = get_apacket(); 322 cp->msg.command = A_CNXN; 323 cp->msg.arg0 = A_VERSION; 324 cp->msg.arg1 = MAX_PAYLOAD; 325 cp->msg.data_length = fill_connect_data((char *)cp->data, 326 sizeof(cp->data)); 327 send_packet(cp, t); 328 } 329 330 void send_auth_request(atransport *t) 331 { 332 D("Calling send_auth_request\n"); 333 apacket *p; 334 int ret; 335 336 ret = adb_auth_generate_token(t->token, sizeof(t->token)); 337 if (ret != sizeof(t->token)) { 338 D("Error generating token ret=%d\n", ret); 339 return; 340 } 341 342 p = get_apacket(); 343 memcpy(p->data, t->token, ret); 344 p->msg.command = A_AUTH; 345 p->msg.arg0 = ADB_AUTH_TOKEN; 346 p->msg.data_length = ret; 347 send_packet(p, t); 348 } 349 350 static void send_auth_response(uint8_t *token, size_t token_size, atransport *t) 351 { 352 D("Calling send_auth_response\n"); 353 apacket *p = get_apacket(); 354 int ret; 355 356 ret = adb_auth_sign(t->key, token, token_size, p->data); 357 if (!ret) { 358 D("Error signing the token\n"); 359 put_apacket(p); 360 return; 361 } 362 363 p->msg.command = A_AUTH; 364 p->msg.arg0 = ADB_AUTH_SIGNATURE; 365 p->msg.data_length = ret; 366 send_packet(p, t); 367 } 368 369 static void send_auth_publickey(atransport *t) 370 { 371 D("Calling send_auth_publickey\n"); 372 apacket *p = get_apacket(); 373 int ret; 374 375 ret = adb_auth_get_userkey(p->data, sizeof(p->data)); 376 if (!ret) { 377 D("Failed to get user public key\n"); 378 put_apacket(p); 379 return; 380 } 381 382 p->msg.command = A_AUTH; 383 p->msg.arg0 = ADB_AUTH_RSAPUBLICKEY; 384 p->msg.data_length = ret; 385 send_packet(p, t); 386 } 387 388 void adb_auth_verified(atransport *t) 389 { 390 handle_online(t); 391 send_connect(t); 392 } 393 394 static char *connection_state_name(atransport *t) 395 { 396 if (t == NULL) { 397 return "unknown"; 398 } 399 400 switch(t->connection_state) { 401 case CS_BOOTLOADER: 402 return "bootloader"; 403 case CS_DEVICE: 404 return "device"; 405 case CS_RECOVERY: 406 return "recovery"; 407 case CS_SIDELOAD: 408 return "sideload"; 409 case CS_OFFLINE: 410 return "offline"; 411 case CS_UNAUTHORIZED: 412 return "unauthorized"; 413 default: 414 return "unknown"; 415 } 416 } 417 418 /* qual_overwrite is used to overwrite a qualifier string. dst is a 419 * pointer to a char pointer. It is assumed that if *dst is non-NULL, it 420 * was malloc'ed and needs to freed. *dst will be set to a dup of src. 421 */ 422 static void qual_overwrite(char **dst, const char *src) 423 { 424 if (!dst) 425 return; 426 427 free(*dst); 428 *dst = NULL; 429 430 if (!src || !*src) 431 return; 432 433 *dst = strdup(src); 434 } 435 436 void parse_banner(char *banner, atransport *t) 437 { 438 static const char *prop_seps = ";"; 439 static const char key_val_sep = '='; 440 char *cp; 441 char *type; 442 443 D("parse_banner: %s\n", banner); 444 type = banner; 445 cp = strchr(type, ':'); 446 if (cp) { 447 *cp++ = 0; 448 /* Nothing is done with second field. */ 449 cp = strchr(cp, ':'); 450 if (cp) { 451 char *save; 452 char *key; 453 key = adb_strtok_r(cp + 1, prop_seps, &save); 454 while (key) { 455 cp = strchr(key, key_val_sep); 456 if (cp) { 457 *cp++ = '\0'; 458 if (!strcmp(key, "ro.product.name")) 459 qual_overwrite(&t->product, cp); 460 else if (!strcmp(key, "ro.product.model")) 461 qual_overwrite(&t->model, cp); 462 else if (!strcmp(key, "ro.product.device")) 463 qual_overwrite(&t->device, cp); 464 } 465 key = adb_strtok_r(NULL, prop_seps, &save); 466 } 467 } 468 } 469 470 if(!strcmp(type, "bootloader")){ 471 D("setting connection_state to CS_BOOTLOADER\n"); 472 t->connection_state = CS_BOOTLOADER; 473 update_transports(); 474 return; 475 } 476 477 if(!strcmp(type, "device")) { 478 D("setting connection_state to CS_DEVICE\n"); 479 t->connection_state = CS_DEVICE; 480 update_transports(); 481 return; 482 } 483 484 if(!strcmp(type, "recovery")) { 485 D("setting connection_state to CS_RECOVERY\n"); 486 t->connection_state = CS_RECOVERY; 487 update_transports(); 488 return; 489 } 490 491 if(!strcmp(type, "sideload")) { 492 D("setting connection_state to CS_SIDELOAD\n"); 493 t->connection_state = CS_SIDELOAD; 494 update_transports(); 495 return; 496 } 497 498 t->connection_state = CS_HOST; 499 } 500 501 void handle_packet(apacket *p, atransport *t) 502 { 503 asocket *s; 504 505 D("handle_packet() %c%c%c%c\n", ((char*) (&(p->msg.command)))[0], 506 ((char*) (&(p->msg.command)))[1], 507 ((char*) (&(p->msg.command)))[2], 508 ((char*) (&(p->msg.command)))[3]); 509 print_packet("recv", p); 510 511 switch(p->msg.command){ 512 case A_SYNC: 513 if(p->msg.arg0){ 514 send_packet(p, t); 515 if(HOST) send_connect(t); 516 } else { 517 t->connection_state = CS_OFFLINE; 518 handle_offline(t); 519 send_packet(p, t); 520 } 521 return; 522 523 case A_CNXN: /* CONNECT(version, maxdata, "system-id-string") */ 524 /* XXX verify version, etc */ 525 if(t->connection_state != CS_OFFLINE) { 526 t->connection_state = CS_OFFLINE; 527 handle_offline(t); 528 } 529 530 parse_banner((char*) p->data, t); 531 532 if (HOST || !auth_enabled) { 533 handle_online(t); 534 if(!HOST) send_connect(t); 535 } else { 536 send_auth_request(t); 537 } 538 break; 539 540 case A_AUTH: 541 if (p->msg.arg0 == ADB_AUTH_TOKEN) { 542 t->connection_state = CS_UNAUTHORIZED; 543 t->key = adb_auth_nextkey(t->key); 544 if (t->key) { 545 send_auth_response(p->data, p->msg.data_length, t); 546 } else { 547 /* No more private keys to try, send the public key */ 548 send_auth_publickey(t); 549 } 550 } else if (p->msg.arg0 == ADB_AUTH_SIGNATURE) { 551 if (adb_auth_verify(t->token, p->data, p->msg.data_length)) { 552 adb_auth_verified(t); 553 t->failed_auth_attempts = 0; 554 } else { 555 if (t->failed_auth_attempts++ > 10) 556 adb_sleep_ms(1000); 557 send_auth_request(t); 558 } 559 } else if (p->msg.arg0 == ADB_AUTH_RSAPUBLICKEY) { 560 adb_auth_confirm_key(p->data, p->msg.data_length, t); 561 } 562 break; 563 564 case A_OPEN: /* OPEN(local-id, 0, "destination") */ 565 if (t->online) { 566 char *name = (char*) p->data; 567 name[p->msg.data_length > 0 ? p->msg.data_length - 1 : 0] = 0; 568 s = create_local_service_socket(name); 569 if(s == 0) { 570 send_close(0, p->msg.arg0, t); 571 } else { 572 s->peer = create_remote_socket(p->msg.arg0, t); 573 s->peer->peer = s; 574 send_ready(s->id, s->peer->id, t); 575 s->ready(s); 576 } 577 } 578 break; 579 580 case A_OKAY: /* READY(local-id, remote-id, "") */ 581 if (t->online) { 582 if((s = find_local_socket(p->msg.arg1))) { 583 if(s->peer == 0) { 584 s->peer = create_remote_socket(p->msg.arg0, t); 585 s->peer->peer = s; 586 } 587 s->ready(s); 588 } 589 } 590 break; 591 592 case A_CLSE: /* CLOSE(local-id, remote-id, "") */ 593 if (t->online) { 594 if((s = find_local_socket(p->msg.arg1))) { 595 s->close(s); 596 } 597 } 598 break; 599 600 case A_WRTE: 601 if (t->online) { 602 if((s = find_local_socket(p->msg.arg1))) { 603 unsigned rid = p->msg.arg0; 604 p->len = p->msg.data_length; 605 606 if(s->enqueue(s, p) == 0) { 607 D("Enqueue the socket\n"); 608 send_ready(s->id, rid, t); 609 } 610 return; 611 } 612 } 613 break; 614 615 default: 616 printf("handle_packet: what is %08x?!\n", p->msg.command); 617 } 618 619 put_apacket(p); 620 } 621 622 alistener listener_list = { 623 .next = &listener_list, 624 .prev = &listener_list, 625 }; 626 627 static void ss_listener_event_func(int _fd, unsigned ev, void *_l) 628 { 629 asocket *s; 630 631 if(ev & FDE_READ) { 632 struct sockaddr addr; 633 socklen_t alen; 634 int fd; 635 636 alen = sizeof(addr); 637 fd = adb_socket_accept(_fd, &addr, &alen); 638 if(fd < 0) return; 639 640 adb_socket_setbufsize(fd, CHUNK_SIZE); 641 642 s = create_local_socket(fd); 643 if(s) { 644 connect_to_smartsocket(s); 645 return; 646 } 647 648 adb_close(fd); 649 } 650 } 651 652 static void listener_event_func(int _fd, unsigned ev, void *_l) 653 { 654 alistener *l = _l; 655 asocket *s; 656 657 if(ev & FDE_READ) { 658 struct sockaddr addr; 659 socklen_t alen; 660 int fd; 661 662 alen = sizeof(addr); 663 fd = adb_socket_accept(_fd, &addr, &alen); 664 if(fd < 0) return; 665 666 s = create_local_socket(fd); 667 if(s) { 668 s->transport = l->transport; 669 connect_to_remote(s, l->connect_to); 670 return; 671 } 672 673 adb_close(fd); 674 } 675 } 676 677 static void free_listener(alistener* l) 678 { 679 if (l->next) { 680 l->next->prev = l->prev; 681 l->prev->next = l->next; 682 l->next = l->prev = l; 683 } 684 685 // closes the corresponding fd 686 fdevent_remove(&l->fde); 687 688 if (l->local_name) 689 free((char*)l->local_name); 690 691 if (l->connect_to) 692 free((char*)l->connect_to); 693 694 if (l->transport) { 695 remove_transport_disconnect(l->transport, &l->disconnect); 696 } 697 free(l); 698 } 699 700 static void listener_disconnect(void* _l, atransport* t) 701 { 702 alistener* l = _l; 703 704 free_listener(l); 705 } 706 707 int local_name_to_fd(const char *name) 708 { 709 int port; 710 711 if(!strncmp("tcp:", name, 4)){ 712 int ret; 713 port = atoi(name + 4); 714 715 if (gListenAll > 0) { 716 ret = socket_inaddr_any_server(port, SOCK_STREAM); 717 } else { 718 ret = socket_loopback_server(port, SOCK_STREAM); 719 } 720 721 return ret; 722 } 723 #ifndef HAVE_WIN32_IPC /* no Unix-domain sockets on Win32 */ 724 // It's non-sensical to support the "reserved" space on the adb host side 725 if(!strncmp(name, "local:", 6)) { 726 return socket_local_server(name + 6, 727 ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM); 728 } else if(!strncmp(name, "localabstract:", 14)) { 729 return socket_local_server(name + 14, 730 ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM); 731 } else if(!strncmp(name, "localfilesystem:", 16)) { 732 return socket_local_server(name + 16, 733 ANDROID_SOCKET_NAMESPACE_FILESYSTEM, SOCK_STREAM); 734 } 735 736 #endif 737 printf("unknown local portname '%s'\n", name); 738 return -1; 739 } 740 741 // Write a single line describing a listener to a user-provided buffer. 742 // Appends a trailing zero, even in case of truncation, but the function 743 // returns the full line length. 744 // If |buffer| is NULL, does not write but returns required size. 745 static int format_listener(alistener* l, char* buffer, size_t buffer_len) { 746 // Format is simply: 747 // 748 // <device-serial> " " <local-name> " " <remote-name> "\n" 749 // 750 int local_len = strlen(l->local_name); 751 int connect_len = strlen(l->connect_to); 752 int serial_len = strlen(l->transport->serial); 753 754 if (buffer != NULL) { 755 snprintf(buffer, buffer_len, "%s %s %s\n", 756 l->transport->serial, l->local_name, l->connect_to); 757 } 758 // NOTE: snprintf() on Windows returns -1 in case of truncation, so 759 // return the computed line length instead. 760 return local_len + connect_len + serial_len + 3; 761 } 762 763 // Write the list of current listeners (network redirections) into a 764 // user-provided buffer. Appends a trailing zero, even in case of 765 // trunctaion, but return the full size in bytes. 766 // If |buffer| is NULL, does not write but returns required size. 767 static int format_listeners(char* buf, size_t buflen) 768 { 769 alistener* l; 770 int result = 0; 771 for (l = listener_list.next; l != &listener_list; l = l->next) { 772 // Ignore special listeners like those for *smartsocket* 773 if (l->connect_to[0] == '*') 774 continue; 775 int len = format_listener(l, buf, buflen); 776 // Ensure there is space for the trailing zero. 777 result += len; 778 if (buf != NULL) { 779 buf += len; 780 buflen -= len; 781 if (buflen <= 0) 782 break; 783 } 784 } 785 return result; 786 } 787 788 static int remove_listener(const char *local_name, atransport* transport) 789 { 790 alistener *l; 791 792 for (l = listener_list.next; l != &listener_list; l = l->next) { 793 if (!strcmp(local_name, l->local_name)) { 794 listener_disconnect(l, l->transport); 795 return 0; 796 } 797 } 798 return -1; 799 } 800 801 static void remove_all_listeners(void) 802 { 803 alistener *l, *l_next; 804 for (l = listener_list.next; l != &listener_list; l = l_next) { 805 l_next = l->next; 806 // Never remove smart sockets. 807 if (l->connect_to[0] == '*') 808 continue; 809 listener_disconnect(l, l->transport); 810 } 811 } 812 813 // error/status codes for install_listener. 814 typedef enum { 815 INSTALL_STATUS_OK = 0, 816 INSTALL_STATUS_INTERNAL_ERROR = -1, 817 INSTALL_STATUS_CANNOT_BIND = -2, 818 INSTALL_STATUS_CANNOT_REBIND = -3, 819 } install_status_t; 820 821 static install_status_t install_listener(const char *local_name, 822 const char *connect_to, 823 atransport* transport, 824 int no_rebind) 825 { 826 alistener *l; 827 828 //printf("install_listener('%s','%s')\n", local_name, connect_to); 829 830 for(l = listener_list.next; l != &listener_list; l = l->next){ 831 if(strcmp(local_name, l->local_name) == 0) { 832 char *cto; 833 834 /* can't repurpose a smartsocket */ 835 if(l->connect_to[0] == '*') { 836 return INSTALL_STATUS_INTERNAL_ERROR; 837 } 838 839 /* can't repurpose a listener if 'no_rebind' is true */ 840 if (no_rebind) { 841 return INSTALL_STATUS_CANNOT_REBIND; 842 } 843 844 cto = strdup(connect_to); 845 if(cto == 0) { 846 return INSTALL_STATUS_INTERNAL_ERROR; 847 } 848 849 //printf("rebinding '%s' to '%s'\n", local_name, connect_to); 850 free((void*) l->connect_to); 851 l->connect_to = cto; 852 if (l->transport != transport) { 853 remove_transport_disconnect(l->transport, &l->disconnect); 854 l->transport = transport; 855 add_transport_disconnect(l->transport, &l->disconnect); 856 } 857 return INSTALL_STATUS_OK; 858 } 859 } 860 861 if((l = calloc(1, sizeof(alistener))) == 0) goto nomem; 862 if((l->local_name = strdup(local_name)) == 0) goto nomem; 863 if((l->connect_to = strdup(connect_to)) == 0) goto nomem; 864 865 866 l->fd = local_name_to_fd(local_name); 867 if(l->fd < 0) { 868 free((void*) l->local_name); 869 free((void*) l->connect_to); 870 free(l); 871 printf("cannot bind '%s'\n", local_name); 872 return -2; 873 } 874 875 close_on_exec(l->fd); 876 if(!strcmp(l->connect_to, "*smartsocket*")) { 877 fdevent_install(&l->fde, l->fd, ss_listener_event_func, l); 878 } else { 879 fdevent_install(&l->fde, l->fd, listener_event_func, l); 880 } 881 fdevent_set(&l->fde, FDE_READ); 882 883 l->next = &listener_list; 884 l->prev = listener_list.prev; 885 l->next->prev = l; 886 l->prev->next = l; 887 l->transport = transport; 888 889 if (transport) { 890 l->disconnect.opaque = l; 891 l->disconnect.func = listener_disconnect; 892 add_transport_disconnect(transport, &l->disconnect); 893 } 894 return INSTALL_STATUS_OK; 895 896 nomem: 897 fatal("cannot allocate listener"); 898 return INSTALL_STATUS_INTERNAL_ERROR; 899 } 900 901 #ifdef HAVE_WIN32_PROC 902 static BOOL WINAPI ctrlc_handler(DWORD type) 903 { 904 exit(STATUS_CONTROL_C_EXIT); 905 return TRUE; 906 } 907 #endif 908 909 static void adb_cleanup(void) 910 { 911 usb_cleanup(); 912 } 913 914 void start_logging(void) 915 { 916 #ifdef HAVE_WIN32_PROC 917 char temp[ MAX_PATH ]; 918 FILE* fnul; 919 FILE* flog; 920 921 GetTempPath( sizeof(temp) - 8, temp ); 922 strcat( temp, "adb.log" ); 923 924 /* Win32 specific redirections */ 925 fnul = fopen( "NUL", "rt" ); 926 if (fnul != NULL) 927 stdin[0] = fnul[0]; 928 929 flog = fopen( temp, "at" ); 930 if (flog == NULL) 931 flog = fnul; 932 933 setvbuf( flog, NULL, _IONBF, 0 ); 934 935 stdout[0] = flog[0]; 936 stderr[0] = flog[0]; 937 fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); 938 #else 939 int fd; 940 941 fd = unix_open("/dev/null", O_RDONLY); 942 dup2(fd, 0); 943 adb_close(fd); 944 945 fd = unix_open("/tmp/adb.log", O_WRONLY | O_CREAT | O_APPEND, 0640); 946 if(fd < 0) { 947 fd = unix_open("/dev/null", O_WRONLY); 948 } 949 dup2(fd, 1); 950 dup2(fd, 2); 951 adb_close(fd); 952 fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); 953 #endif 954 } 955 956 #if !ADB_HOST 957 void start_device_log(void) 958 { 959 int fd; 960 char path[PATH_MAX]; 961 struct tm now; 962 time_t t; 963 char value[PROPERTY_VALUE_MAX]; 964 965 // read the trace mask from persistent property persist.adb.trace_mask 966 // give up if the property is not set or cannot be parsed 967 property_get("persist.adb.trace_mask", value, ""); 968 if (sscanf(value, "%x", &adb_trace_mask) != 1) 969 return; 970 971 adb_mkdir("/data/adb", 0775); 972 tzset(); 973 time(&t); 974 localtime_r(&t, &now); 975 strftime(path, sizeof(path), 976 "/data/adb/adb-%Y-%m-%d-%H-%M-%S.txt", 977 &now); 978 fd = unix_open(path, O_WRONLY | O_CREAT | O_TRUNC, 0640); 979 if (fd < 0) 980 return; 981 982 // redirect stdout and stderr to the log file 983 dup2(fd, 1); 984 dup2(fd, 2); 985 fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); 986 adb_close(fd); 987 988 fd = unix_open("/dev/null", O_RDONLY); 989 dup2(fd, 0); 990 adb_close(fd); 991 } 992 #endif 993 994 #if ADB_HOST 995 996 #ifdef WORKAROUND_BUG6558362 997 #include <sched.h> 998 #define AFFINITY_ENVVAR "ADB_CPU_AFFINITY_BUG6558362" 999 void adb_set_affinity(void) 1000 { 1001 cpu_set_t cpu_set; 1002 const char* cpunum_str = getenv(AFFINITY_ENVVAR); 1003 char* strtol_res; 1004 int cpu_num; 1005 1006 if (!cpunum_str || !*cpunum_str) 1007 return; 1008 cpu_num = strtol(cpunum_str, &strtol_res, 0); 1009 if (*strtol_res != '\0') 1010 fatal("bad number (%s) in env var %s. Expecting 0..n.\n", cpunum_str, AFFINITY_ENVVAR); 1011 1012 sched_getaffinity(0, sizeof(cpu_set), &cpu_set); 1013 D("orig cpu_set[0]=0x%08lx\n", cpu_set.__bits[0]); 1014 CPU_ZERO(&cpu_set); 1015 CPU_SET(cpu_num, &cpu_set); 1016 sched_setaffinity(0, sizeof(cpu_set), &cpu_set); 1017 sched_getaffinity(0, sizeof(cpu_set), &cpu_set); 1018 D("new cpu_set[0]=0x%08lx\n", cpu_set.__bits[0]); 1019 } 1020 #endif 1021 1022 int launch_server(int server_port) 1023 { 1024 #ifdef HAVE_WIN32_PROC 1025 /* we need to start the server in the background */ 1026 /* we create a PIPE that will be used to wait for the server's "OK" */ 1027 /* message since the pipe handles must be inheritable, we use a */ 1028 /* security attribute */ 1029 HANDLE pipe_read, pipe_write; 1030 HANDLE stdout_handle, stderr_handle; 1031 SECURITY_ATTRIBUTES sa; 1032 STARTUPINFO startup; 1033 PROCESS_INFORMATION pinfo; 1034 char program_path[ MAX_PATH ]; 1035 int ret; 1036 1037 sa.nLength = sizeof(sa); 1038 sa.lpSecurityDescriptor = NULL; 1039 sa.bInheritHandle = TRUE; 1040 1041 /* create pipe, and ensure its read handle isn't inheritable */ 1042 ret = CreatePipe( &pipe_read, &pipe_write, &sa, 0 ); 1043 if (!ret) { 1044 fprintf(stderr, "CreatePipe() failure, error %ld\n", GetLastError() ); 1045 return -1; 1046 } 1047 1048 SetHandleInformation( pipe_read, HANDLE_FLAG_INHERIT, 0 ); 1049 1050 /* Some programs want to launch an adb command and collect its output by 1051 * calling CreateProcess with inheritable stdout/stderr handles, then 1052 * using read() to get its output. When this happens, the stdout/stderr 1053 * handles passed to the adb client process will also be inheritable. 1054 * When starting the adb server here, care must be taken to reset them 1055 * to non-inheritable. 1056 * Otherwise, something bad happens: even if the adb command completes, 1057 * the calling process is stuck while read()-ing from the stdout/stderr 1058 * descriptors, because they're connected to corresponding handles in the 1059 * adb server process (even if the latter never uses/writes to them). 1060 */ 1061 stdout_handle = GetStdHandle( STD_OUTPUT_HANDLE ); 1062 stderr_handle = GetStdHandle( STD_ERROR_HANDLE ); 1063 if (stdout_handle != INVALID_HANDLE_VALUE) { 1064 SetHandleInformation( stdout_handle, HANDLE_FLAG_INHERIT, 0 ); 1065 } 1066 if (stderr_handle != INVALID_HANDLE_VALUE) { 1067 SetHandleInformation( stderr_handle, HANDLE_FLAG_INHERIT, 0 ); 1068 } 1069 1070 ZeroMemory( &startup, sizeof(startup) ); 1071 startup.cb = sizeof(startup); 1072 startup.hStdInput = GetStdHandle( STD_INPUT_HANDLE ); 1073 startup.hStdOutput = pipe_write; 1074 startup.hStdError = GetStdHandle( STD_ERROR_HANDLE ); 1075 startup.dwFlags = STARTF_USESTDHANDLES; 1076 1077 ZeroMemory( &pinfo, sizeof(pinfo) ); 1078 1079 /* get path of current program */ 1080 GetModuleFileName( NULL, program_path, sizeof(program_path) ); 1081 1082 ret = CreateProcess( 1083 program_path, /* program path */ 1084 "adb fork-server server", 1085 /* the fork-server argument will set the 1086 debug = 2 in the child */ 1087 NULL, /* process handle is not inheritable */ 1088 NULL, /* thread handle is not inheritable */ 1089 TRUE, /* yes, inherit some handles */ 1090 DETACHED_PROCESS, /* the new process doesn't have a console */ 1091 NULL, /* use parent's environment block */ 1092 NULL, /* use parent's starting directory */ 1093 &startup, /* startup info, i.e. std handles */ 1094 &pinfo ); 1095 1096 CloseHandle( pipe_write ); 1097 1098 if (!ret) { 1099 fprintf(stderr, "CreateProcess failure, error %ld\n", GetLastError() ); 1100 CloseHandle( pipe_read ); 1101 return -1; 1102 } 1103 1104 CloseHandle( pinfo.hProcess ); 1105 CloseHandle( pinfo.hThread ); 1106 1107 /* wait for the "OK\n" message */ 1108 { 1109 char temp[3]; 1110 DWORD count; 1111 1112 ret = ReadFile( pipe_read, temp, 3, &count, NULL ); 1113 CloseHandle( pipe_read ); 1114 if ( !ret ) { 1115 fprintf(stderr, "could not read ok from ADB Server, error = %ld\n", GetLastError() ); 1116 return -1; 1117 } 1118 if (count != 3 || temp[0] != 'O' || temp[1] != 'K' || temp[2] != '\n') { 1119 fprintf(stderr, "ADB server didn't ACK\n" ); 1120 return -1; 1121 } 1122 } 1123 #elif defined(HAVE_FORKEXEC) 1124 char path[PATH_MAX]; 1125 int fd[2]; 1126 1127 // set up a pipe so the child can tell us when it is ready. 1128 // fd[0] will be parent's end, and fd[1] will get mapped to stderr in the child. 1129 if (pipe(fd)) { 1130 fprintf(stderr, "pipe failed in launch_server, errno: %d\n", errno); 1131 return -1; 1132 } 1133 get_my_path(path, PATH_MAX); 1134 pid_t pid = fork(); 1135 if(pid < 0) return -1; 1136 1137 if (pid == 0) { 1138 // child side of the fork 1139 1140 // redirect stderr to the pipe 1141 // we use stderr instead of stdout due to stdout's buffering behavior. 1142 adb_close(fd[0]); 1143 dup2(fd[1], STDERR_FILENO); 1144 adb_close(fd[1]); 1145 1146 char str_port[30]; 1147 snprintf(str_port, sizeof(str_port), "%d", server_port); 1148 // child process 1149 int result = execl(path, "adb", "-P", str_port, "fork-server", "server", NULL); 1150 // this should not return 1151 fprintf(stderr, "OOPS! execl returned %d, errno: %d\n", result, errno); 1152 } else { 1153 // parent side of the fork 1154 1155 char temp[3]; 1156 1157 temp[0] = 'A'; temp[1] = 'B'; temp[2] = 'C'; 1158 // wait for the "OK\n" message 1159 adb_close(fd[1]); 1160 int ret = adb_read(fd[0], temp, 3); 1161 int saved_errno = errno; 1162 adb_close(fd[0]); 1163 if (ret < 0) { 1164 fprintf(stderr, "could not read ok from ADB Server, errno = %d\n", saved_errno); 1165 return -1; 1166 } 1167 if (ret != 3 || temp[0] != 'O' || temp[1] != 'K' || temp[2] != '\n') { 1168 fprintf(stderr, "ADB server didn't ACK\n" ); 1169 return -1; 1170 } 1171 1172 setsid(); 1173 } 1174 #else 1175 #error "cannot implement background server start on this platform" 1176 #endif 1177 return 0; 1178 } 1179 #endif 1180 1181 /* Constructs a local name of form tcp:port. 1182 * target_str points to the target string, it's content will be overwritten. 1183 * target_size is the capacity of the target string. 1184 * server_port is the port number to use for the local name. 1185 */ 1186 void build_local_name(char* target_str, size_t target_size, int server_port) 1187 { 1188 snprintf(target_str, target_size, "tcp:%d", server_port); 1189 } 1190 1191 #if !ADB_HOST 1192 1193 static void drop_capabilities_bounding_set_if_needed() { 1194 #ifdef ALLOW_ADBD_ROOT 1195 char value[PROPERTY_VALUE_MAX]; 1196 property_get("ro.debuggable", value, ""); 1197 if (strcmp(value, "1") == 0) { 1198 return; 1199 } 1200 #endif 1201 int i; 1202 for (i = 0; prctl(PR_CAPBSET_READ, i, 0, 0, 0) >= 0; i++) { 1203 if (i == CAP_SETUID || i == CAP_SETGID) { 1204 // CAP_SETUID CAP_SETGID needed by /system/bin/run-as 1205 continue; 1206 } 1207 int err = prctl(PR_CAPBSET_DROP, i, 0, 0, 0); 1208 1209 // Some kernels don't have file capabilities compiled in, and 1210 // prctl(PR_CAPBSET_DROP) returns EINVAL. Don't automatically 1211 // die when we see such misconfigured kernels. 1212 if ((err < 0) && (errno != EINVAL)) { 1213 exit(1); 1214 } 1215 } 1216 } 1217 1218 static int should_drop_privileges() { 1219 #ifndef ALLOW_ADBD_ROOT 1220 return 1; 1221 #else /* ALLOW_ADBD_ROOT */ 1222 int secure = 0; 1223 char value[PROPERTY_VALUE_MAX]; 1224 1225 /* run adbd in secure mode if ro.secure is set and 1226 ** we are not in the emulator 1227 */ 1228 property_get("ro.kernel.qemu", value, ""); 1229 if (strcmp(value, "1") != 0) { 1230 property_get("ro.secure", value, "1"); 1231 if (strcmp(value, "1") == 0) { 1232 // don't run as root if ro.secure is set... 1233 secure = 1; 1234 1235 // ... except we allow running as root in userdebug builds if the 1236 // service.adb.root property has been set by the "adb root" command 1237 property_get("ro.debuggable", value, ""); 1238 if (strcmp(value, "1") == 0) { 1239 property_get("service.adb.root", value, ""); 1240 if (strcmp(value, "1") == 0) { 1241 secure = 0; 1242 } 1243 } 1244 } 1245 } 1246 return secure; 1247 #endif /* ALLOW_ADBD_ROOT */ 1248 } 1249 #endif /* !ADB_HOST */ 1250 1251 int adb_main(int is_daemon, int server_port) 1252 { 1253 #if !ADB_HOST 1254 int port; 1255 char value[PROPERTY_VALUE_MAX]; 1256 1257 umask(000); 1258 #endif 1259 1260 atexit(adb_cleanup); 1261 #ifdef HAVE_WIN32_PROC 1262 SetConsoleCtrlHandler( ctrlc_handler, TRUE ); 1263 #elif defined(HAVE_FORKEXEC) 1264 // No SIGCHLD. Let the service subproc handle its children. 1265 signal(SIGPIPE, SIG_IGN); 1266 #endif 1267 1268 init_transport_registration(); 1269 1270 #if ADB_HOST 1271 HOST = 1; 1272 1273 #ifdef WORKAROUND_BUG6558362 1274 if(is_daemon) adb_set_affinity(); 1275 #endif 1276 usb_vendors_init(); 1277 usb_init(); 1278 local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT); 1279 adb_auth_init(); 1280 1281 char local_name[30]; 1282 build_local_name(local_name, sizeof(local_name), server_port); 1283 if(install_listener(local_name, "*smartsocket*", NULL, 0)) { 1284 exit(1); 1285 } 1286 #else 1287 property_get("ro.adb.secure", value, "0"); 1288 auth_enabled = !strcmp(value, "1"); 1289 if (auth_enabled) 1290 adb_auth_init(); 1291 1292 // Our external storage path may be different than apps, since 1293 // we aren't able to bind mount after dropping root. 1294 const char* adb_external_storage = getenv("ADB_EXTERNAL_STORAGE"); 1295 if (NULL != adb_external_storage) { 1296 setenv("EXTERNAL_STORAGE", adb_external_storage, 1); 1297 } else { 1298 D("Warning: ADB_EXTERNAL_STORAGE is not set. Leaving EXTERNAL_STORAGE" 1299 " unchanged.\n"); 1300 } 1301 1302 /* don't listen on a port (default 5037) if running in secure mode */ 1303 /* don't run as root if we are running in secure mode */ 1304 if (should_drop_privileges()) { 1305 drop_capabilities_bounding_set_if_needed(); 1306 1307 /* add extra groups: 1308 ** AID_ADB to access the USB driver 1309 ** AID_LOG to read system logs (adb logcat) 1310 ** AID_INPUT to diagnose input issues (getevent) 1311 ** AID_INET to diagnose network issues (netcfg, ping) 1312 ** AID_GRAPHICS to access the frame buffer 1313 ** AID_NET_BT and AID_NET_BT_ADMIN to diagnose bluetooth (hcidump) 1314 ** AID_SDCARD_R to allow reading from the SD card 1315 ** AID_SDCARD_RW to allow writing to the SD card 1316 ** AID_NET_BW_STATS to read out qtaguid statistics 1317 */ 1318 gid_t groups[] = { AID_ADB, AID_LOG, AID_INPUT, AID_INET, AID_GRAPHICS, 1319 AID_NET_BT, AID_NET_BT_ADMIN, AID_SDCARD_R, AID_SDCARD_RW, 1320 AID_NET_BW_STATS }; 1321 if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) { 1322 exit(1); 1323 } 1324 1325 /* then switch user and group to "shell" */ 1326 if (setgid(AID_SHELL) != 0) { 1327 exit(1); 1328 } 1329 if (setuid(AID_SHELL) != 0) { 1330 exit(1); 1331 } 1332 1333 D("Local port disabled\n"); 1334 } else { 1335 char local_name[30]; 1336 build_local_name(local_name, sizeof(local_name), server_port); 1337 if(install_listener(local_name, "*smartsocket*", NULL, 0)) { 1338 exit(1); 1339 } 1340 } 1341 1342 int usb = 0; 1343 if (access(USB_ADB_PATH, F_OK) == 0 || access(USB_FFS_ADB_EP0, F_OK) == 0) { 1344 // listen on USB 1345 usb_init(); 1346 usb = 1; 1347 } 1348 1349 // If one of these properties is set, also listen on that port 1350 // If one of the properties isn't set and we couldn't listen on usb, 1351 // listen on the default port. 1352 property_get("service.adb.tcp.port", value, ""); 1353 if (!value[0]) { 1354 property_get("persist.adb.tcp.port", value, ""); 1355 } 1356 if (sscanf(value, "%d", &port) == 1 && port > 0) { 1357 printf("using port=%d\n", port); 1358 // listen on TCP port specified by service.adb.tcp.port property 1359 local_init(port); 1360 } else if (!usb) { 1361 // listen on default port 1362 local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT); 1363 } 1364 1365 D("adb_main(): pre init_jdwp()\n"); 1366 init_jdwp(); 1367 D("adb_main(): post init_jdwp()\n"); 1368 #endif 1369 1370 if (is_daemon) 1371 { 1372 // inform our parent that we are up and running. 1373 #ifdef HAVE_WIN32_PROC 1374 DWORD count; 1375 WriteFile( GetStdHandle( STD_OUTPUT_HANDLE ), "OK\n", 3, &count, NULL ); 1376 #elif defined(HAVE_FORKEXEC) 1377 fprintf(stderr, "OK\n"); 1378 #endif 1379 start_logging(); 1380 } 1381 D("Event loop starting\n"); 1382 1383 fdevent_loop(); 1384 1385 usb_cleanup(); 1386 1387 return 0; 1388 } 1389 1390 int handle_host_request(char *service, transport_type ttype, char* serial, int reply_fd, asocket *s) 1391 { 1392 atransport *transport = NULL; 1393 char buf[4096]; 1394 1395 if(!strcmp(service, "kill")) { 1396 fprintf(stderr,"adb server killed by remote request\n"); 1397 fflush(stdout); 1398 adb_write(reply_fd, "OKAY", 4); 1399 usb_cleanup(); 1400 exit(0); 1401 } 1402 1403 #if ADB_HOST 1404 // "transport:" is used for switching transport with a specified serial number 1405 // "transport-usb:" is used for switching transport to the only USB transport 1406 // "transport-local:" is used for switching transport to the only local transport 1407 // "transport-any:" is used for switching transport to the only transport 1408 if (!strncmp(service, "transport", strlen("transport"))) { 1409 char* error_string = "unknown failure"; 1410 transport_type type = kTransportAny; 1411 1412 if (!strncmp(service, "transport-usb", strlen("transport-usb"))) { 1413 type = kTransportUsb; 1414 } else if (!strncmp(service, "transport-local", strlen("transport-local"))) { 1415 type = kTransportLocal; 1416 } else if (!strncmp(service, "transport-any", strlen("transport-any"))) { 1417 type = kTransportAny; 1418 } else if (!strncmp(service, "transport:", strlen("transport:"))) { 1419 service += strlen("transport:"); 1420 serial = service; 1421 } 1422 1423 transport = acquire_one_transport(CS_ANY, type, serial, &error_string); 1424 1425 if (transport) { 1426 s->transport = transport; 1427 adb_write(reply_fd, "OKAY", 4); 1428 } else { 1429 sendfailmsg(reply_fd, error_string); 1430 } 1431 return 1; 1432 } 1433 1434 // return a list of all connected devices 1435 if (!strncmp(service, "devices", 7)) { 1436 char buffer[4096]; 1437 int use_long = !strcmp(service+7, "-l"); 1438 if (use_long || service[7] == 0) { 1439 memset(buf, 0, sizeof(buf)); 1440 memset(buffer, 0, sizeof(buffer)); 1441 D("Getting device list \n"); 1442 list_transports(buffer, sizeof(buffer), use_long); 1443 snprintf(buf, sizeof(buf), "OKAY%04x%s",(unsigned)strlen(buffer),buffer); 1444 D("Wrote device list \n"); 1445 writex(reply_fd, buf, strlen(buf)); 1446 return 0; 1447 } 1448 } 1449 1450 // remove TCP transport 1451 if (!strncmp(service, "disconnect:", 11)) { 1452 char buffer[4096]; 1453 memset(buffer, 0, sizeof(buffer)); 1454 char* serial = service + 11; 1455 if (serial[0] == 0) { 1456 // disconnect from all TCP devices 1457 unregister_all_tcp_transports(); 1458 } else { 1459 char hostbuf[100]; 1460 // assume port 5555 if no port is specified 1461 if (!strchr(serial, ':')) { 1462 snprintf(hostbuf, sizeof(hostbuf) - 1, "%s:5555", serial); 1463 serial = hostbuf; 1464 } 1465 atransport *t = find_transport(serial); 1466 1467 if (t) { 1468 unregister_transport(t); 1469 } else { 1470 snprintf(buffer, sizeof(buffer), "No such device %s", serial); 1471 } 1472 } 1473 1474 snprintf(buf, sizeof(buf), "OKAY%04x%s",(unsigned)strlen(buffer), buffer); 1475 writex(reply_fd, buf, strlen(buf)); 1476 return 0; 1477 } 1478 1479 // returns our value for ADB_SERVER_VERSION 1480 if (!strcmp(service, "version")) { 1481 char version[12]; 1482 snprintf(version, sizeof version, "%04x", ADB_SERVER_VERSION); 1483 snprintf(buf, sizeof buf, "OKAY%04x%s", (unsigned)strlen(version), version); 1484 writex(reply_fd, buf, strlen(buf)); 1485 return 0; 1486 } 1487 1488 if(!strncmp(service,"get-serialno",strlen("get-serialno"))) { 1489 char *out = "unknown"; 1490 transport = acquire_one_transport(CS_ANY, ttype, serial, NULL); 1491 if (transport && transport->serial) { 1492 out = transport->serial; 1493 } 1494 snprintf(buf, sizeof buf, "OKAY%04x%s",(unsigned)strlen(out),out); 1495 writex(reply_fd, buf, strlen(buf)); 1496 return 0; 1497 } 1498 if(!strncmp(service,"get-devpath",strlen("get-devpath"))) { 1499 char *out = "unknown"; 1500 transport = acquire_one_transport(CS_ANY, ttype, serial, NULL); 1501 if (transport && transport->devpath) { 1502 out = transport->devpath; 1503 } 1504 snprintf(buf, sizeof buf, "OKAY%04x%s",(unsigned)strlen(out),out); 1505 writex(reply_fd, buf, strlen(buf)); 1506 return 0; 1507 } 1508 // indicates a new emulator instance has started 1509 if (!strncmp(service,"emulator:",9)) { 1510 int port = atoi(service+9); 1511 local_connect(port); 1512 /* we don't even need to send a reply */ 1513 return 0; 1514 } 1515 #endif // ADB_HOST 1516 1517 if(!strcmp(service,"list-forward")) { 1518 // Create the list of forward redirections. 1519 char header[9]; 1520 int buffer_size = format_listeners(NULL, 0); 1521 // Add one byte for the trailing zero. 1522 char* buffer = malloc(buffer_size+1); 1523 (void) format_listeners(buffer, buffer_size+1); 1524 snprintf(header, sizeof header, "OKAY%04x", buffer_size); 1525 writex(reply_fd, header, 8); 1526 writex(reply_fd, buffer, buffer_size); 1527 free(buffer); 1528 return 0; 1529 } 1530 1531 if (!strcmp(service,"killforward-all")) { 1532 remove_all_listeners(); 1533 adb_write(reply_fd, "OKAYOKAY", 8); 1534 return 0; 1535 } 1536 1537 if(!strncmp(service,"forward:",8) || 1538 !strncmp(service,"killforward:",12)) { 1539 char *local, *remote, *err; 1540 int r; 1541 atransport *transport; 1542 1543 int createForward = strncmp(service,"kill",4); 1544 int no_rebind = 0; 1545 1546 local = strchr(service, ':') + 1; 1547 1548 // Handle forward:norebind:<local>... here 1549 if (createForward && !strncmp(local, "norebind:", 9)) { 1550 no_rebind = 1; 1551 local = strchr(local, ':') + 1; 1552 } 1553 1554 remote = strchr(local,';'); 1555 1556 if (createForward) { 1557 // Check forward: parameter format: '<local>;<remote>' 1558 if(remote == 0) { 1559 sendfailmsg(reply_fd, "malformed forward spec"); 1560 return 0; 1561 } 1562 1563 *remote++ = 0; 1564 if((local[0] == 0) || (remote[0] == 0) || (remote[0] == '*')){ 1565 sendfailmsg(reply_fd, "malformed forward spec"); 1566 return 0; 1567 } 1568 } else { 1569 // Check killforward: parameter format: '<local>' 1570 if (local[0] == 0) { 1571 sendfailmsg(reply_fd, "malformed forward spec"); 1572 return 0; 1573 } 1574 } 1575 1576 transport = acquire_one_transport(CS_ANY, ttype, serial, &err); 1577 if (!transport) { 1578 sendfailmsg(reply_fd, err); 1579 return 0; 1580 } 1581 1582 if (createForward) { 1583 r = install_listener(local, remote, transport, no_rebind); 1584 } else { 1585 r = remove_listener(local, transport); 1586 } 1587 if(r == 0) { 1588 /* 1st OKAY is connect, 2nd OKAY is status */ 1589 writex(reply_fd, "OKAYOKAY", 8); 1590 return 0; 1591 } 1592 1593 if (createForward) { 1594 const char* message; 1595 switch (r) { 1596 case INSTALL_STATUS_CANNOT_BIND: 1597 message = "cannot bind to socket"; 1598 break; 1599 case INSTALL_STATUS_CANNOT_REBIND: 1600 message = "cannot rebind existing socket"; 1601 break; 1602 default: 1603 message = "internal error"; 1604 } 1605 sendfailmsg(reply_fd, message); 1606 } else { 1607 sendfailmsg(reply_fd, "cannot remove listener"); 1608 } 1609 return 0; 1610 } 1611 1612 if(!strncmp(service,"get-state",strlen("get-state"))) { 1613 transport = acquire_one_transport(CS_ANY, ttype, serial, NULL); 1614 char *state = connection_state_name(transport); 1615 snprintf(buf, sizeof buf, "OKAY%04x%s",(unsigned)strlen(state),state); 1616 writex(reply_fd, buf, strlen(buf)); 1617 return 0; 1618 } 1619 return -1; 1620 } 1621 1622 #if !ADB_HOST 1623 int recovery_mode = 0; 1624 #endif 1625 1626 int main(int argc, char **argv) 1627 { 1628 #if ADB_HOST 1629 adb_sysdeps_init(); 1630 adb_trace_init(); 1631 D("Handling commandline()\n"); 1632 return adb_commandline(argc - 1, argv + 1); 1633 #else 1634 /* If adbd runs inside the emulator this will enable adb tracing via 1635 * adb-debug qemud service in the emulator. */ 1636 adb_qemu_trace_init(); 1637 if((argc > 1) && (!strcmp(argv[1],"recovery"))) { 1638 adb_device_banner = "recovery"; 1639 recovery_mode = 1; 1640 } 1641 1642 start_device_log(); 1643 D("Handling main()\n"); 1644 return adb_main(0, DEFAULT_ADB_PORT); 1645 #endif 1646 } 1647
