btconfig.c revision 1.11
1 /* $NetBSD: btconfig.c,v 1.11 2008/02/11 11:23:46 plunky Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 Itronix Inc. 5 * All rights reserved. 6 * 7 * Written by Iain Hibbert for Itronix Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of Itronix Inc. may not be used to endorse 18 * or promote products derived from this software without specific 19 * prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 28 * ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 __COPYRIGHT("@(#) Copyright (c) 2006 Itronix, Inc.\n" 36 "All rights reserved.\n"); 37 __RCSID("$NetBSD: btconfig.c,v 1.11 2008/02/11 11:23:46 plunky Exp $"); 38 39 #include <sys/ioctl.h> 40 #include <sys/param.h> 41 #include <sys/socket.h> 42 43 #include <bluetooth.h> 44 #include <err.h> 45 #include <errno.h> 46 #include <stdio.h> 47 #include <stdlib.h> 48 #include <string.h> 49 #include <unistd.h> 50 #include <util.h> 51 52 /* inquiry results storage */ 53 struct result { 54 bdaddr_t bdaddr; 55 uint8_t page_scan_rep_mode; 56 uint8_t uclass[HCI_CLASS_SIZE]; 57 uint16_t clock_offset; 58 int8_t rssi; 59 }; 60 61 int main(int, char *[]); 62 void badarg(const char *); 63 void badparam(const char *); 64 void usage(void); 65 int set_unit(unsigned long); 66 void config_unit(void); 67 void print_info(int); 68 void print_stats(void); 69 void print_class(const char *); 70 void print_voice(int); 71 void tag(const char *); 72 void print_features(const char *, uint8_t *); 73 void do_inquiry(void); 74 void print_result(int, struct result *, int); 75 76 void hci_req(uint16_t, uint8_t , void *, size_t, void *, size_t); 77 #define save_value(opcode, cbuf, clen) hci_req(opcode, 0, cbuf, clen, NULL, 0) 78 #define load_value(opcode, rbuf, rlen) hci_req(opcode, 0, NULL, 0, rbuf, rlen) 79 #define hci_cmd(opcode, cbuf, clen) hci_req(opcode, 0, cbuf, clen, NULL, 0) 80 81 #define MAX_STR_SIZE 0xff 82 83 /* print width */ 84 int width = 0; 85 #define MAX_WIDTH 70 86 87 /* global variables */ 88 int hci; 89 struct btreq btr; 90 91 /* command line flags */ 92 int verbose = 0; /* more info */ 93 int lflag = 0; /* list devices */ 94 int sflag = 0; /* get/zero stats */ 95 96 /* device up/down (flag) */ 97 int opt_enable = 0; 98 int opt_reset = 0; 99 #define FLAGS_FMT "\20" \ 100 "\001UP" \ 101 "\002RUNNING" \ 102 "\003XMIT_CMD" \ 103 "\004XMIT_ACL" \ 104 "\005XMIT_SCO" \ 105 "\006INIT_BDADDR" \ 106 "\007INIT_BUFFER_SIZE" \ 107 "\010INIT_FEATURES" \ 108 "\011POWER_UP_NOOP" \ 109 "\012INIT_COMMANDS" \ 110 "" 111 112 /* authorisation (flag) */ 113 int opt_auth = 0; 114 115 /* encryption (flag) */ 116 int opt_encrypt = 0; 117 118 /* scan enable options (flags) */ 119 int opt_pscan = 0; 120 int opt_iscan = 0; 121 122 /* link policy options (flags) */ 123 int opt_switch = 0; 124 int opt_hold = 0; 125 int opt_sniff = 0; 126 int opt_park = 0; 127 128 /* class of device (hex value) */ 129 int opt_class = 0; 130 uint32_t class; 131 132 /* packet type mask (hex value) */ 133 int opt_ptype = 0; 134 uint32_t ptype; 135 136 /* unit name (string) */ 137 int opt_name = 0; 138 char name[MAX_STR_SIZE]; 139 140 /* pin type */ 141 int opt_pin = 0; 142 143 /* Inquiry */ 144 int opt_rssi = 0; /* inquiry_with_rssi (flag) */ 145 int opt_inquiry = 0; 146 #define INQUIRY_LENGTH 10 /* about 12 seconds */ 147 #define INQUIRY_MAX_RESPONSES 10 148 149 /* Voice Settings */ 150 int opt_voice = 0; 151 uint32_t voice; 152 153 /* Page Timeout */ 154 int opt_pto = 0; 155 uint32_t pto; 156 157 /* set SCO mtu */ 158 int opt_scomtu; 159 uint32_t scomtu; 160 161 struct parameter { 162 const char *name; 163 enum { P_SET, P_CLR, P_STR, P_HEX, P_NUM } type; 164 int *opt; 165 void *val; 166 } parameters[] = { 167 { "up", P_SET, &opt_enable, NULL }, 168 { "enable", P_SET, &opt_enable, NULL }, 169 { "down", P_CLR, &opt_enable, NULL }, 170 { "disable", P_CLR, &opt_enable, NULL }, 171 { "name", P_STR, &opt_name, name }, 172 { "pscan", P_SET, &opt_pscan, NULL }, 173 { "-pscan", P_CLR, &opt_pscan, NULL }, 174 { "iscan", P_SET, &opt_iscan, NULL }, 175 { "-iscan", P_CLR, &opt_iscan, NULL }, 176 { "switch", P_SET, &opt_switch, NULL }, 177 { "-switch", P_CLR, &opt_switch, NULL }, 178 { "hold", P_SET, &opt_hold, NULL }, 179 { "-hold", P_CLR, &opt_hold, NULL }, 180 { "sniff", P_SET, &opt_sniff, NULL }, 181 { "-sniff", P_CLR, &opt_sniff, NULL }, 182 { "park", P_SET, &opt_park, NULL }, 183 { "-park", P_CLR, &opt_park, NULL }, 184 { "auth", P_SET, &opt_auth, NULL }, 185 { "-auth", P_CLR, &opt_auth, NULL }, 186 { "encrypt", P_SET, &opt_encrypt, NULL }, 187 { "-encrypt", P_CLR, &opt_encrypt, NULL }, 188 { "ptype", P_HEX, &opt_ptype, &ptype }, 189 { "class", P_HEX, &opt_class, &class }, 190 { "fixed", P_SET, &opt_pin, NULL }, 191 { "variable", P_CLR, &opt_pin, NULL }, 192 { "inq", P_SET, &opt_inquiry, NULL }, 193 { "inquiry", P_SET, &opt_inquiry, NULL }, 194 { "rssi", P_SET, &opt_rssi, NULL }, 195 { "-rssi", P_CLR, &opt_rssi, NULL }, 196 { "reset", P_SET, &opt_reset, NULL }, 197 { "voice", P_HEX, &opt_voice, &voice }, 198 { "pto", P_NUM, &opt_pto, &pto }, 199 { "scomtu", P_NUM, &opt_scomtu, &scomtu }, 200 { NULL, 0, NULL, NULL } 201 }; 202 203 int 204 main(int ac, char *av[]) 205 { 206 int ch; 207 struct parameter *p; 208 209 while ((ch = getopt(ac, av, "hlsvz")) != -1) { 210 switch(ch) { 211 case 'l': 212 lflag = 1; 213 break; 214 215 case 's': 216 sflag = 1; 217 break; 218 219 case 'v': 220 verbose++; 221 break; 222 223 case 'z': 224 sflag = 2; 225 break; 226 227 case 'h': 228 default: 229 usage(); 230 } 231 } 232 av += optind; 233 ac -= optind; 234 235 if (lflag && sflag) 236 usage(); 237 238 hci = socket(PF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI); 239 if (hci == -1) 240 err(EXIT_FAILURE, "socket"); 241 242 if (ac == 0) { 243 verbose++; 244 245 memset(&btr, 0, sizeof(btr)); 246 while (set_unit(SIOCNBTINFO) != -1) { 247 print_info(verbose); 248 print_stats(); 249 } 250 251 tag(NULL); 252 } else { 253 strlcpy(btr.btr_name, *av, HCI_DEVNAME_SIZE); 254 av++, ac--; 255 256 if (set_unit(SIOCGBTINFO) < 0) 257 err(EXIT_FAILURE, "%s", btr.btr_name); 258 259 if (ac == 0) 260 verbose += 2; 261 262 while (ac > 0) { 263 for (p = parameters ; ; p++) { 264 if (p->name == NULL) 265 badparam(*av); 266 267 if (strcmp(*av, p->name) == 0) 268 break; 269 } 270 271 switch(p->type) { 272 case P_SET: 273 *(p->opt) = 1; 274 break; 275 276 case P_CLR: 277 *(p->opt) = -1; 278 break; 279 280 case P_STR: 281 if (--ac < 1) badarg(p->name); 282 strlcpy((char *)(p->val), *++av, MAX_STR_SIZE); 283 *(p->opt) = 1; 284 break; 285 286 case P_HEX: 287 if (--ac < 1) badarg(p->name); 288 *(uint32_t *)(p->val) = strtoul(*++av, NULL, 16); 289 *(p->opt) = 1; 290 break; 291 292 case P_NUM: 293 if (--ac < 1) badarg(p->name); 294 *(uint32_t *)(p->val) = strtoul(*++av, NULL, 10); 295 *(p->opt) = 1; 296 break; 297 } 298 299 av++, ac--; 300 } 301 302 config_unit(); 303 print_info(verbose); 304 print_stats(); 305 do_inquiry(); 306 } 307 308 close(hci); 309 return EXIT_SUCCESS; 310 } 311 312 void 313 badparam(const char *param) 314 { 315 316 fprintf(stderr, "unknown parameter '%s'\n", param); 317 exit(EXIT_FAILURE); 318 } 319 320 void 321 badarg(const char *param) 322 { 323 324 fprintf(stderr, "parameter '%s' needs argument\n", param); 325 exit(EXIT_FAILURE); 326 } 327 328 void 329 usage(void) 330 { 331 332 fprintf(stderr, "usage: %s [-svz] [device [parameters]]\n", getprogname()); 333 fprintf(stderr, " %s -l\n", getprogname()); 334 exit(EXIT_FAILURE); 335 } 336 337 /* 338 * pretty printing feature 339 */ 340 void 341 tag(const char *f) 342 { 343 344 if (f == NULL) { 345 if (width > 0) 346 printf("\n"); 347 348 width = 0; 349 } else { 350 width += printf("%*s%s", 351 (width == 0 ? (lflag ? 0 : 8) : 1), 352 "", f); 353 354 if (width > MAX_WIDTH) { 355 printf("\n"); 356 width = 0; 357 } 358 } 359 } 360 361 /* 362 * basic HCI cmd request function with argument return. 363 * 364 * Normally, this will return on COMMAND_STATUS or COMMAND_COMPLETE for the given 365 * opcode, but if event is given then it will ignore COMMAND_STATUS (unless error) 366 * and wait for the specified event. 367 * 368 * if rbuf/rlen is given, results will be copied into the result buffer for 369 * COMMAND_COMPLETE/event responses. 370 */ 371 void 372 hci_req(uint16_t opcode, uint8_t event, void *cbuf, size_t clen, void *rbuf, size_t rlen) 373 { 374 uint8_t msg[sizeof(hci_cmd_hdr_t) + HCI_CMD_PKT_SIZE]; 375 hci_event_hdr_t *ep; 376 hci_cmd_hdr_t *cp; 377 378 cp = (hci_cmd_hdr_t *)msg; 379 cp->type = HCI_CMD_PKT; 380 cp->opcode = opcode = htole16(opcode); 381 cp->length = clen = MIN(clen, sizeof(msg) - sizeof(hci_cmd_hdr_t)); 382 383 if (clen) memcpy((cp + 1), cbuf, clen); 384 385 if (send(hci, msg, sizeof(hci_cmd_hdr_t) + clen, 0) < 0) 386 err(EXIT_FAILURE, "HCI Send"); 387 388 ep = (hci_event_hdr_t *)msg; 389 for(;;) { 390 if (recv(hci, msg, sizeof(msg), 0) < 0) { 391 if (errno == EAGAIN || errno == EINTR) 392 continue; 393 394 err(EXIT_FAILURE, "HCI Recv"); 395 } 396 397 if (ep->event == HCI_EVENT_COMMAND_STATUS) { 398 hci_command_status_ep *cs; 399 400 cs = (hci_command_status_ep *)(ep + 1); 401 if (cs->opcode != opcode) 402 continue; 403 404 if (cs->status) 405 errx(EXIT_FAILURE, 406 "HCI cmd (%4.4x) failed (status %d)", 407 opcode, cs->status); 408 409 if (event == 0) 410 break; 411 412 continue; 413 } 414 415 if (ep->event == HCI_EVENT_COMMAND_COMPL) { 416 hci_command_compl_ep *cc; 417 uint8_t *ptr; 418 419 cc = (hci_command_compl_ep *)(ep + 1); 420 if (cc->opcode != opcode) 421 continue; 422 423 if (rbuf == NULL) 424 break; 425 426 ptr = (uint8_t *)(cc + 1); 427 if (*ptr) 428 errx(EXIT_FAILURE, 429 "HCI cmd (%4.4x) failed (status %d)", 430 opcode, *ptr); 431 432 memcpy(rbuf, ++ptr, rlen); 433 break; 434 } 435 436 if (ep->event == event) { 437 if (rbuf == NULL) 438 break; 439 440 memcpy(rbuf, (ep + 1), rlen); 441 break; 442 } 443 } 444 } 445 446 int 447 set_unit(unsigned long cmd) 448 { 449 450 if (ioctl(hci, cmd, &btr) == -1) 451 return -1; 452 453 if (btr.btr_flags & BTF_UP) { 454 struct sockaddr_bt sa; 455 456 sa.bt_len = sizeof(sa); 457 sa.bt_family = AF_BLUETOOTH; 458 bdaddr_copy(&sa.bt_bdaddr, &btr.btr_bdaddr); 459 460 if (bind(hci, (struct sockaddr *)&sa, sizeof(sa)) < 0) 461 err(EXIT_FAILURE, "bind"); 462 463 if (connect(hci, (struct sockaddr *)&sa, sizeof(sa)) < 0) 464 err(EXIT_FAILURE, "connect"); 465 } 466 467 return 0; 468 } 469 470 /* 471 * apply configuration parameters to unit 472 */ 473 void 474 config_unit(void) 475 { 476 477 if (opt_enable) { 478 if (opt_enable > 0) 479 btr.btr_flags |= BTF_UP; 480 else 481 btr.btr_flags &= ~BTF_UP; 482 483 if (ioctl(hci, SIOCSBTFLAGS, &btr) < 0) 484 err(EXIT_FAILURE, "SIOCSBTFLAGS"); 485 486 if (set_unit(SIOCGBTINFO) < 0) 487 err(EXIT_FAILURE, "%s", btr.btr_name); 488 } 489 490 if (opt_reset) { 491 hci_cmd(HCI_CMD_RESET, NULL, 0); 492 493 btr.btr_flags |= BTF_INIT; 494 if (ioctl(hci, SIOCSBTFLAGS, &btr) < 0) 495 err(EXIT_FAILURE, "SIOCSBTFLAGS"); 496 497 /* 498 * although the reset command will automatically 499 * carry out these commands, we do them manually 500 * just so we can wait for completion. 501 */ 502 hci_cmd(HCI_CMD_READ_BDADDR, NULL, 0); 503 hci_cmd(HCI_CMD_READ_BUFFER_SIZE, NULL, 0); 504 hci_cmd(HCI_CMD_READ_LOCAL_FEATURES, NULL, 0); 505 506 if (set_unit(SIOCGBTINFO) < 0) 507 err(EXIT_FAILURE, "%s", btr.btr_name); 508 } 509 510 if (opt_switch || opt_hold || opt_sniff || opt_park) { 511 uint16_t val = btr.btr_link_policy; 512 513 if (opt_switch > 0) val |= HCI_LINK_POLICY_ENABLE_ROLE_SWITCH; 514 if (opt_switch < 0) val &= ~HCI_LINK_POLICY_ENABLE_ROLE_SWITCH; 515 if (opt_hold > 0) val |= HCI_LINK_POLICY_ENABLE_HOLD_MODE; 516 if (opt_hold < 0) val &= ~HCI_LINK_POLICY_ENABLE_HOLD_MODE; 517 if (opt_sniff > 0) val |= HCI_LINK_POLICY_ENABLE_SNIFF_MODE; 518 if (opt_sniff < 0) val &= ~HCI_LINK_POLICY_ENABLE_SNIFF_MODE; 519 if (opt_park > 0) val |= HCI_LINK_POLICY_ENABLE_PARK_MODE; 520 if (opt_park < 0) val &= ~HCI_LINK_POLICY_ENABLE_PARK_MODE; 521 522 btr.btr_link_policy = val; 523 if (ioctl(hci, SIOCSBTPOLICY, &btr) < 0) 524 err(EXIT_FAILURE, "SIOCSBTPOLICY"); 525 } 526 527 if (opt_ptype) { 528 btr.btr_packet_type = ptype; 529 if (ioctl(hci, SIOCSBTPTYPE, &btr) < 0) 530 err(EXIT_FAILURE, "SIOCSBTPTYPE"); 531 } 532 533 if (opt_pscan || opt_iscan) { 534 uint8_t val; 535 536 load_value(HCI_CMD_READ_SCAN_ENABLE, &val, sizeof(val)); 537 if (opt_pscan > 0) val |= HCI_PAGE_SCAN_ENABLE; 538 if (opt_pscan < 0) val &= ~HCI_PAGE_SCAN_ENABLE; 539 if (opt_iscan > 0) val |= HCI_INQUIRY_SCAN_ENABLE; 540 if (opt_iscan < 0) val &= ~HCI_INQUIRY_SCAN_ENABLE; 541 save_value(HCI_CMD_WRITE_SCAN_ENABLE, &val, sizeof(val)); 542 } 543 544 if (opt_auth) { 545 uint8_t val = (opt_auth > 0 ? 1 : 0); 546 547 save_value(HCI_CMD_WRITE_AUTH_ENABLE, &val, sizeof(val)); 548 } 549 550 if (opt_encrypt) { 551 uint8_t val = (opt_encrypt > 0 ? 1 : 0); 552 553 save_value(HCI_CMD_WRITE_ENCRYPTION_MODE, &val, sizeof(val)); 554 } 555 556 if (opt_name) 557 save_value(HCI_CMD_WRITE_LOCAL_NAME, name, HCI_UNIT_NAME_SIZE); 558 559 if (opt_class) { 560 uint8_t val[HCI_CLASS_SIZE]; 561 562 val[0] = (class >> 0) & 0xff; 563 val[1] = (class >> 8) & 0xff; 564 val[2] = (class >> 16) & 0xff; 565 566 save_value(HCI_CMD_WRITE_UNIT_CLASS, val, HCI_CLASS_SIZE); 567 } 568 569 if (opt_pin) { 570 uint8_t val; 571 572 if (opt_pin > 0) val = 1; 573 else val = 0; 574 575 save_value(HCI_CMD_WRITE_PIN_TYPE, &val, sizeof(val)); 576 } 577 578 if (opt_voice) { 579 uint16_t val; 580 581 val = htole16(voice & 0x03ff); 582 save_value(HCI_CMD_WRITE_VOICE_SETTING, &val, sizeof(val)); 583 } 584 585 if (opt_pto) { 586 uint16_t val; 587 588 val = htole16(pto * 8 / 5); 589 save_value(HCI_CMD_WRITE_PAGE_TIMEOUT, &val, sizeof(val)); 590 } 591 592 if (opt_scomtu) { 593 if (scomtu > 0xff) { 594 warnx("Invalid SCO mtu %d", scomtu); 595 } else { 596 btr.btr_sco_mtu = scomtu; 597 598 if (ioctl(hci, SIOCSBTSCOMTU, &btr) < 0) 599 warn("SIOCSBTSCOMTU"); 600 } 601 } 602 603 if (opt_rssi) { 604 uint8_t val = (opt_rssi > 0 ? 1 : 0); 605 606 save_value(HCI_CMD_WRITE_INQUIRY_MODE, &val, sizeof(val)); 607 } 608 } 609 610 /* 611 * Print info for Bluetooth Device with varying verbosity levels 612 */ 613 void 614 print_info(int level) 615 { 616 uint8_t version, val, buf[MAX_STR_SIZE]; 617 uint16_t val16; 618 619 if (lflag) { 620 tag(btr.btr_name); 621 return; 622 } 623 624 if (level-- < 1) 625 return; 626 627 snprintb((char *)buf, MAX_STR_SIZE, FLAGS_FMT, btr.btr_flags); 628 629 printf("%s: bdaddr %s flags %s\n", btr.btr_name, 630 bt_ntoa(&btr.btr_bdaddr, NULL), buf); 631 632 if (level-- < 1) 633 return; 634 635 printf("\tnum_cmd = %d\n" 636 "\tnum_acl = %d, acl_mtu = %d\n" 637 "\tnum_sco = %d, sco_mtu = %d\n", 638 btr.btr_num_cmd, 639 btr.btr_num_acl, btr.btr_acl_mtu, 640 btr.btr_num_sco, btr.btr_sco_mtu); 641 642 if (level-- < 1 || (btr.btr_flags & BTF_UP) == 0) 643 return; 644 645 load_value(HCI_CMD_READ_LOCAL_VER, &version, sizeof(version)); 646 printf("\tHCI version: "); 647 switch(version) { 648 case HCI_SPEC_V10: printf("1.0\n"); break; 649 case HCI_SPEC_V11: printf("1.0b\n"); break; 650 case HCI_SPEC_V12: printf("1.2\n"); break; 651 case HCI_SPEC_V20: printf("2.0\n"); break; 652 case HCI_SPEC_V21: printf("2.1\n"); break; 653 default: printf("unknown\n"); break; 654 } 655 656 load_value(HCI_CMD_READ_UNIT_CLASS, buf, HCI_CLASS_SIZE); 657 class = (buf[2] << 16) | (buf[1] << 8) | (buf[0]); 658 print_class("\t"); 659 660 load_value(HCI_CMD_READ_LOCAL_NAME, buf, HCI_UNIT_NAME_SIZE); 661 printf("\tname: \"%s\"\n", buf); 662 663 load_value(HCI_CMD_READ_VOICE_SETTING, buf, sizeof(uint16_t)); 664 voice = (buf[1] << 8) | buf[0]; 665 print_voice(level); 666 667 load_value(HCI_CMD_READ_PIN_TYPE, &val, sizeof(val)); 668 printf("\tpin: %s\n", val ? "fixed" : "variable"); 669 670 width = printf("\toptions:"); 671 672 load_value(HCI_CMD_READ_SCAN_ENABLE, &val, sizeof(val)); 673 if (val & HCI_INQUIRY_SCAN_ENABLE) tag("iscan"); 674 else if (level > 0) tag("-iscan"); 675 676 if (val & HCI_PAGE_SCAN_ENABLE) tag("pscan"); 677 else if (level > 0) tag("-pscan"); 678 679 load_value(HCI_CMD_READ_AUTH_ENABLE, &val, sizeof(val)); 680 if (val) tag("auth"); 681 else if (level > 0) tag("-auth"); 682 683 load_value(HCI_CMD_READ_ENCRYPTION_MODE, &val, sizeof(val)); 684 if (val) tag("encrypt"); 685 else if (level > 0) tag("-encrypt"); 686 687 val = btr.btr_link_policy; 688 if (val & HCI_LINK_POLICY_ENABLE_ROLE_SWITCH) tag("switch"); 689 else if (level > 0) tag("-switch"); 690 if (val & HCI_LINK_POLICY_ENABLE_HOLD_MODE) tag("hold"); 691 else if (level > 0) tag("-hold"); 692 if (val & HCI_LINK_POLICY_ENABLE_SNIFF_MODE) tag("sniff"); 693 else if (level > 0) tag("-sniff"); 694 if (val & HCI_LINK_POLICY_ENABLE_PARK_MODE) tag("park"); 695 else if (level > 0) tag("-park"); 696 697 val = 0; 698 if (version >= HCI_SPEC_V12) 699 load_value(HCI_CMD_READ_INQUIRY_MODE, &val, sizeof(val)); 700 701 if (val) tag("rssi"); 702 else if (level > 0) tag("-rssi"); 703 704 tag(NULL); 705 706 if (level-- < 1) 707 return; 708 709 ptype = btr.btr_packet_type; 710 width = printf("\tptype: [0x%04x]", ptype); 711 if (ptype & HCI_PKT_DM1) tag("DM1"); 712 if (ptype & HCI_PKT_DH1) tag("DH1"); 713 if (ptype & HCI_PKT_DM3) tag("DM3"); 714 if (ptype & HCI_PKT_DH3) tag("DH3"); 715 if (ptype & HCI_PKT_DM5) tag("DM5"); 716 if (ptype & HCI_PKT_DH5) tag("DH5"); 717 if ((ptype & HCI_PKT_2MBPS_DH1) == 0) tag("2-DH1"); 718 if ((ptype & HCI_PKT_3MBPS_DH1) == 0) tag("3-DH1"); 719 if ((ptype & HCI_PKT_2MBPS_DH3) == 0) tag("2-DH3"); 720 if ((ptype & HCI_PKT_3MBPS_DH3) == 0) tag("3-DH3"); 721 if ((ptype & HCI_PKT_2MBPS_DH5) == 0) tag("2-DH5"); 722 if ((ptype & HCI_PKT_3MBPS_DH5) == 0) tag("3-DH5"); 723 tag(NULL); 724 725 load_value(HCI_CMD_READ_PAGE_TIMEOUT, &val16, sizeof(val16)); 726 printf("\tpage timeout: %d ms\n", val16 * 5 / 8); 727 728 if (level-- < 1) 729 return; 730 731 load_value(HCI_CMD_READ_LOCAL_FEATURES, buf, HCI_FEATURES_SIZE); 732 print_features("\tfeatures:", buf); 733 } 734 735 void 736 print_stats(void) 737 { 738 739 if (sflag == 0) 740 return; 741 742 if (sflag == 1) { 743 if (ioctl(hci, SIOCGBTSTATS, &btr) < 0) 744 err(EXIT_FAILURE, "SIOCGBTSTATS"); 745 } else { 746 if (ioctl(hci, SIOCZBTSTATS, &btr) < 0) 747 err(EXIT_FAILURE, "SIOCZBTSTATS"); 748 } 749 750 printf( "\tTotal bytes sent %d, recieved %d\n" 751 "\tCommands sent %d, Events received %d\n" 752 "\tACL data packets sent %d, received %d\n" 753 "\tSCO data packets sent %d, received %d\n" 754 "\tInput errors %d, Output errors %d\n", 755 btr.btr_stats.byte_tx, btr.btr_stats.byte_rx, 756 btr.btr_stats.cmd_tx, btr.btr_stats.evt_rx, 757 btr.btr_stats.acl_tx, btr.btr_stats.acl_rx, 758 btr.btr_stats.sco_tx, btr.btr_stats.sco_rx, 759 btr.btr_stats.err_rx, btr.btr_stats.err_tx); 760 } 761 762 void 763 print_features(const char *str, uint8_t *f) 764 { 765 766 width = printf("%s", str); 767 768 /* ------------------- byte 0 --------------------*/ 769 if (*f & HCI_LMP_3SLOT) tag("<3 slot>"); 770 if (*f & HCI_LMP_5SLOT) tag("<5 slot>"); 771 if (*f & HCI_LMP_ENCRYPTION) tag("<encryption>"); 772 if (*f & HCI_LMP_SLOT_OFFSET) tag("<slot offset>"); 773 if (*f & HCI_LMP_TIMIACCURACY) tag("<timing accuracy>"); 774 if (*f & HCI_LMP_ROLE_SWITCH) tag("<role switch>"); 775 if (*f & HCI_LMP_HOLD_MODE) tag("<hold mode>"); 776 if (*f & HCI_LMP_SNIFF_MODE) tag("<sniff mode>"); 777 f++; 778 779 /* ------------------- byte 1 --------------------*/ 780 if (*f & HCI_LMP_PARK_MODE) tag("<park mode>"); 781 if (*f & HCI_LMP_RSSI) tag("<RSSI>"); 782 if (*f & HCI_LMP_CHANNEL_QUALITY) tag("<channel quality>"); 783 if (*f & HCI_LMP_SCO_LINK) tag("<SCO link>"); 784 if (*f & HCI_LMP_HV2_PKT) tag("<HV2>"); 785 if (*f & HCI_LMP_HV3_PKT) tag("<HV3>"); 786 if (*f & HCI_LMP_ULAW_LOG) tag("<u-Law log>"); 787 if (*f & HCI_LMP_ALAW_LOG) tag("<A-Law log>"); 788 f++; 789 790 /* ------------------- byte 1 --------------------*/ 791 if (*f & HCI_LMP_CVSD) tag("<CVSD data>"); 792 if (*f & HCI_LMP_PAGISCHEME) tag("<paging parameter>"); 793 if (*f & HCI_LMP_POWER_CONTROL) tag("<power control>"); 794 if (*f & HCI_LMP_TRANSPARENT_SCO) tag("<transparent SCO>"); 795 if (*f & HCI_LMP_FLOW_CONTROL_LAG0) tag("<flow control lag 0>"); 796 if (*f & HCI_LMP_FLOW_CONTROL_LAG1) tag("<flow control lag 1>"); 797 if (*f & HCI_LMP_FLOW_CONTROL_LAG2) tag("<flow control lag 2>"); 798 if (*f & HCI_LMP_BC_ENCRYPTION) tag("<broadcast encryption>"); 799 f++; 800 801 /* ------------------- byte 3 --------------------*/ 802 if (*f & HCI_LMP_EDR_ACL_2MBPS) tag("<EDR ACL 2Mbps>"); 803 if (*f & HCI_LMP_EDR_ACL_3MBPS) tag("<EDR ACL 3Mbps>"); 804 if (*f & HCI_LMP_ENHANCED_ISCAN) tag("<enhanced inquiry scan>"); 805 if (*f & HCI_LMP_INTERLACED_ISCAN) tag("<interlaced inquiry scan>"); 806 if (*f & HCI_LMP_INTERLACED_PSCAN) tag("<interlaced page scan>"); 807 if (*f & HCI_LMP_RSSI_INQUIRY) tag("<RSSI with inquiry result>"); 808 if (*f & HCI_LMP_EV3_PKT) tag("<EV3 packets>"); 809 f++; 810 811 /* ------------------- byte 4 --------------------*/ 812 if (*f & HCI_LMP_EV4_PKT) tag("<EV4 packets>"); 813 if (*f & HCI_LMP_EV5_PKT) tag("<EV5 packets>"); 814 if (*f & HCI_LMP_AFH_CAPABLE_SLAVE) tag("<AFH capable slave>"); 815 if (*f & HCI_LMP_AFH_CLASS_SLAVE) tag("<AFH class slave>"); 816 if (*f & HCI_LMP_3SLOT_EDR_ACL) tag("<3 slot EDR ACL>"); 817 f++; 818 819 /* ------------------- byte 5 --------------------*/ 820 if (*f & HCI_LMP_5SLOT_EDR_ACL) tag("<5 slot EDR ACL>"); 821 if (*f & HCI_LMP_SNIFF_SUBRATING) tag("<sniff subrating>"); 822 if (*f & HCI_LMP_PAUSE_ENCRYPTION) tag("<pause encryption>"); 823 if (*f & HCI_LMP_AFH_CAPABLE_MASTER)tag("<AFH capable master>"); 824 if (*f & HCI_LMP_AFH_CLASS_MASTER) tag("<AFH class master>"); 825 if (*f & HCI_LMP_EDR_eSCO_2MBPS) tag("<EDR eSCO 2Mbps>"); 826 if (*f & HCI_LMP_EDR_eSCO_3MBPS) tag("<EDR eSCO 3Mbps>"); 827 if (*f & HCI_LMP_3SLOT_EDR_eSCO) tag("<3 slot EDR eSCO>"); 828 f++; 829 830 /* ------------------- byte 6 --------------------*/ 831 if (*f & HCI_LMP_EXTENDED_INQUIRY) tag("<extended inquiry>"); 832 if (*f & HCI_LMP_SIMPLE_PAIRING) tag("<secure simple pairing>"); 833 if (*f & HCI_LMP_ENCAPSULATED_PDU) tag("<encapsulated PDU>"); 834 if (*f & HCI_LMP_ERRDATA_REPORTING) tag("<errdata reporting>"); 835 if (*f & HCI_LMP_NOFLUSH_PB_FLAG) tag("<no flush PB flag>"); 836 f++; 837 838 /* ------------------- byte 7 --------------------*/ 839 if (*f & HCI_LMP_LINK_SUPERVISION_TO)tag("<link supervision timeout changed>"); 840 if (*f & HCI_LMP_INQ_RSP_TX_POWER) tag("<inquiry rsp TX power level>"); 841 if (*f & HCI_LMP_EXTENDED_FEATURES) tag("<extended features>"); 842 843 tag(NULL); 844 } 845 846 void 847 print_class(const char *str) 848 { 849 int major, minor; 850 851 major = (class & 0x1f00) >> 8; 852 minor = (class & 0x00fc) >> 2; 853 854 width = printf("%sclass: [0x%6.6x]", str, class); 855 856 switch (major) { 857 case 1: /* Computer */ 858 switch (minor) { 859 case 1: tag("Desktop"); break; 860 case 2: tag("Server"); break; 861 case 3: tag("Laptop"); break; 862 case 4: tag("Handheld"); break; 863 case 5: tag("Palm Sized"); break; 864 case 6: tag("Wearable"); break; 865 } 866 tag("Computer"); 867 break; 868 869 case 2: /* Phone */ 870 switch (minor) { 871 case 1: tag("Cellular Phone"); break; 872 case 2: tag("Cordless Phone"); break; 873 case 3: tag("Smart Phone"); break; 874 case 4: tag("Wired Modem/Phone Gateway"); break; 875 case 5: tag("Common ISDN"); break; 876 default:tag("Phone"); break; 877 } 878 break; 879 880 case 3: /* LAN */ 881 tag("LAN"); 882 switch ((minor & 0x38) >> 3) { 883 case 0: tag("[Fully available]"); break; 884 case 1: tag("[1-17% utilised]"); break; 885 case 2: tag("[17-33% utilised]"); break; 886 case 3: tag("[33-50% utilised]"); break; 887 case 4: tag("[50-67% utilised]"); break; 888 case 5: tag("[67-83% utilised]"); break; 889 case 6: tag("[83-99% utilised]"); break; 890 case 7: tag("[No service available]"); break; 891 } 892 break; 893 894 case 4: /* Audio/Visual */ 895 switch (minor) { 896 case 1: tag("Wearable Headset"); break; 897 case 2: tag("Hands-free Audio"); break; 898 case 4: tag("Microphone"); break; 899 case 5: tag("Loudspeaker"); break; 900 case 6: tag("Headphones"); break; 901 case 7: tag("Portable Audio"); break; 902 case 8: tag("Car Audio"); break; 903 case 9: tag("Set-top Box"); break; 904 case 10: tag("HiFi Audio"); break; 905 case 11: tag("VCR"); break; 906 case 12: tag("Video Camera"); break; 907 case 13: tag("Camcorder"); break; 908 case 14: tag("Video Monitor"); break; 909 case 15: tag("Video Display and Loudspeaker"); break; 910 case 16: tag("Video Conferencing"); break; 911 case 18: tag("A/V [Gaming/Toy]"); break; 912 default: tag("Audio/Visual"); break; 913 } 914 break; 915 916 case 5: /* Peripheral */ 917 switch (minor & 0x0f) { 918 case 1: tag("Joystick"); break; 919 case 2: tag("Gamepad"); break; 920 case 3: tag("Remote Control"); break; 921 case 4: tag("Sensing Device"); break; 922 case 5: tag("Digitiser Tablet"); break; 923 case 6: tag("Card Reader"); break; 924 default: tag("Peripheral"); break; 925 } 926 927 if (minor & 0x10) tag("Keyboard"); 928 if (minor & 0x20) tag("Mouse"); 929 break; 930 931 case 6: /* Imaging */ 932 if (minor & 0x20) tag("Printer"); 933 if (minor & 0x10) tag("Scanner"); 934 if (minor & 0x08) tag("Camera"); 935 if (minor & 0x04) tag("Display"); 936 if ((minor & 0x3c) == 0) tag("Imaging"); 937 break; 938 939 case 7: /* Wearable */ 940 switch (minor) { 941 case 1: tag("Wrist Watch"); break; 942 case 2: tag("Pager"); break; 943 case 3: tag("Jacket"); break; 944 case 4: tag("Helmet"); break; 945 case 5: tag("Glasses"); break; 946 default: tag("Wearable"); break; 947 } 948 break; 949 950 case 8: /* Toy */ 951 switch (minor) { 952 case 1: tag("Robot"); break; 953 case 2: tag("Vehicle"); break; 954 case 3: tag("Doll / Action Figure"); break; 955 case 4: tag("Controller"); break; 956 case 5: tag("Game"); break; 957 default: tag("Toy"); break; 958 } 959 break; 960 961 default: 962 break; 963 } 964 965 if (class & 0x002000) tag("<Limited Discoverable>"); 966 if (class & 0x010000) tag("<Positioning>"); 967 if (class & 0x020000) tag("<Networking>"); 968 if (class & 0x040000) tag("<Rendering>"); 969 if (class & 0x080000) tag("<Capturing>"); 970 if (class & 0x100000) tag("<Object Transfer>"); 971 if (class & 0x200000) tag("<Audio>"); 972 if (class & 0x400000) tag("<Telephony>"); 973 if (class & 0x800000) tag("<Information>"); 974 tag(NULL); 975 } 976 977 void 978 print_voice(int level) 979 { 980 printf("\tvoice: [0x%4.4x]\n", voice); 981 982 if (level == 0) 983 return; 984 985 printf("\t\tInput Coding: "); 986 switch ((voice & 0x0300) >> 8) { 987 case 0x00: printf("Linear PCM [%d-bit, pos %d]", 988 (voice & 0x0020 ? 16 : 8), 989 (voice & 0x001c) >> 2); break; 990 case 0x01: printf("u-Law"); break; 991 case 0x02: printf("A-Law"); break; 992 case 0x03: printf("unknown"); break; 993 } 994 995 switch ((voice & 0x00c0) >> 6) { 996 case 0x00: printf(", 1's complement"); break; 997 case 0x01: printf(", 2's complement"); break; 998 case 0x02: printf(", sign magnitude"); break; 999 case 0x03: printf(", unsigned"); break; 1000 } 1001 1002 printf("\n\t\tAir Coding: "); 1003 switch (voice & 0x0003) { 1004 case 0x00: printf("CVSD"); break; 1005 case 0x01: printf("u-Law"); break; 1006 case 0x02: printf("A-Law"); break; 1007 case 0x03: printf("Transparent"); break; 1008 } 1009 1010 printf("\n"); 1011 } 1012 1013 void 1014 print_result(int num, struct result *r, int rssi) 1015 { 1016 hci_remote_name_req_cp ncp; 1017 hci_remote_name_req_compl_ep nep; 1018 #if 0 1019 hci_read_remote_features_cp fcp; 1020 hci_read_remote_features_compl_ep fep; 1021 #endif 1022 struct hostent *hp; 1023 1024 printf("%3d: bdaddr %s", 1025 num, 1026 bt_ntoa(&r->bdaddr, NULL)); 1027 1028 hp = bt_gethostbyaddr((const char *)&r->bdaddr, sizeof(bdaddr_t), AF_BLUETOOTH); 1029 if (hp != NULL) 1030 printf(" (%s)", hp->h_name); 1031 1032 printf("\n"); 1033 1034 memset(&ncp, 0, sizeof(ncp)); 1035 bdaddr_copy(&ncp.bdaddr, &r->bdaddr); 1036 ncp.page_scan_rep_mode = r->page_scan_rep_mode; 1037 ncp.clock_offset = r->clock_offset; 1038 1039 hci_req(HCI_CMD_REMOTE_NAME_REQ, 1040 HCI_EVENT_REMOTE_NAME_REQ_COMPL, 1041 &ncp, sizeof(ncp), 1042 &nep, sizeof(nep)); 1043 1044 printf(" : name \"%s\"\n", nep.name); 1045 1046 class = (r->uclass[2] << 16) | (r->uclass[1] << 8) | (r->uclass[0]); 1047 print_class(" : "); 1048 1049 #if 0 1050 hci_req(HCI_CMD_READ_REMOTE_FEATURES, 1051 HCI_EVENT_READ_REMOTE_FEATURES_COMPL, 1052 &fcp, sizeof(fcp), 1053 &fep, sizeof(fep)); 1054 1055 print_features(" : features", fep.features); 1056 #endif 1057 1058 printf(" : page scan rep mode 0x%02x\n", r->page_scan_rep_mode); 1059 printf(" : clock offset %d\n", le16toh(r->clock_offset)); 1060 1061 if (rssi) 1062 printf(" : rssi %d\n", r->rssi); 1063 1064 printf("\n"); 1065 } 1066 1067 void 1068 do_inquiry(void) 1069 { 1070 uint8_t buf[HCI_EVENT_PKT_SIZE]; 1071 struct result result[INQUIRY_MAX_RESPONSES]; 1072 hci_inquiry_cp inq; 1073 struct hci_filter f; 1074 hci_event_hdr_t *hh; 1075 int i, j, num, rssi; 1076 1077 if (opt_inquiry == 0) 1078 return; 1079 1080 printf("Device Discovery from device: %s ...", btr.btr_name); 1081 fflush(stdout); 1082 1083 memset(&f, 0, sizeof(f)); 1084 hci_filter_set(HCI_EVENT_COMMAND_STATUS, &f); 1085 hci_filter_set(HCI_EVENT_COMMAND_COMPL, &f); 1086 hci_filter_set(HCI_EVENT_INQUIRY_RESULT, &f); 1087 hci_filter_set(HCI_EVENT_RSSI_RESULT, &f); 1088 hci_filter_set(HCI_EVENT_INQUIRY_COMPL, &f); 1089 hci_filter_set(HCI_EVENT_REMOTE_NAME_REQ_COMPL, &f); 1090 hci_filter_set(HCI_EVENT_READ_REMOTE_FEATURES_COMPL, &f); 1091 if (setsockopt(hci, BTPROTO_HCI, SO_HCI_EVT_FILTER, &f, sizeof(f)) < 0) 1092 err(EXIT_FAILURE, "Can't set event filter"); 1093 1094 /* General Inquiry LAP is 0x9e8b33 */ 1095 inq.lap[0] = 0x33; 1096 inq.lap[1] = 0x8b; 1097 inq.lap[2] = 0x9e; 1098 inq.inquiry_length = INQUIRY_LENGTH; 1099 inq.num_responses = INQUIRY_MAX_RESPONSES; 1100 1101 hci_cmd(HCI_CMD_INQUIRY, &inq, sizeof(inq)); 1102 1103 num = 0; 1104 rssi = 0; 1105 hh = (hci_event_hdr_t *)buf; 1106 1107 for (;;) { 1108 if (recv(hci, buf, sizeof(buf), 0) <= 0) 1109 err(EXIT_FAILURE, "recv"); 1110 1111 if (hh->event == HCI_EVENT_INQUIRY_COMPL) 1112 break; 1113 1114 if (hh->event == HCI_EVENT_INQUIRY_RESULT) { 1115 hci_inquiry_result_ep *ep = (hci_inquiry_result_ep *)(hh + 1); 1116 hci_inquiry_response *ir = (hci_inquiry_response *)(ep + 1); 1117 1118 for (i = 0 ; i < ep->num_responses ; i++) { 1119 if (num == INQUIRY_MAX_RESPONSES) 1120 break; 1121 1122 /* some devices keep responding, ignore dupes */ 1123 for (j = 0 ; j < num ; j++) 1124 if (bdaddr_same(&result[j].bdaddr, &ir[i].bdaddr)) 1125 break; 1126 1127 if (j < num) 1128 continue; 1129 1130 bdaddr_copy(&result[num].bdaddr, &ir[i].bdaddr); 1131 memcpy(&result[num].uclass, &ir[i].uclass, HCI_CLASS_SIZE); 1132 result[num].page_scan_rep_mode = ir[i].page_scan_rep_mode; 1133 result[num].clock_offset = ir[i].clock_offset; 1134 result[num].rssi = 0; 1135 num++; 1136 printf("."); 1137 fflush(stdout); 1138 } 1139 continue; 1140 } 1141 1142 if (hh->event == HCI_EVENT_RSSI_RESULT) { 1143 hci_rssi_result_ep *ep = (hci_rssi_result_ep *)(hh + 1); 1144 hci_rssi_response *rr = (hci_rssi_response *)(ep + 1); 1145 1146 for (i = 0 ; i < ep->num_responses ; i++) { 1147 if (num == INQUIRY_MAX_RESPONSES) 1148 break; 1149 1150 /* some devices keep responding, ignore dupes */ 1151 for (j = 0 ; j < num ; j++) 1152 if (bdaddr_same(&result[j].bdaddr, &rr[i].bdaddr)) 1153 break; 1154 1155 if (j < num) 1156 continue; 1157 1158 bdaddr_copy(&result[num].bdaddr, &rr[i].bdaddr); 1159 memcpy(&result[num].uclass, &rr[i].uclass, HCI_CLASS_SIZE); 1160 result[num].page_scan_rep_mode = rr[i].page_scan_rep_mode; 1161 result[num].clock_offset = rr[i].clock_offset; 1162 result[num].rssi = rr[i].rssi; 1163 rssi = 1; 1164 num++; 1165 printf("."); 1166 fflush(stdout); 1167 } 1168 continue; 1169 } 1170 } 1171 1172 printf(" %d response%s\n", num, (num == 1 ? "" : "s")); 1173 1174 for (i = 0 ; i < num ; i++) 1175 print_result(i + 1, &result[i], rssi); 1176 } 1177
Indexes created Sun Sep 28 16:09:52 GMT 2025