1 /* $NetBSD: btconfig.c,v 1.28 2017/12/21 09:31:22 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. All rights reserved."); 36 __RCSID("$NetBSD: btconfig.c,v 1.28 2017/12/21 09:31:22 plunky Exp $"); 37 38 #include <sys/ioctl.h> 39 #include <sys/param.h> 40 #include <sys/socket.h> 41 42 #include <bluetooth.h> 43 #include <err.h> 44 #include <errno.h> 45 #include <stdio.h> 46 #include <stdlib.h> 47 #include <string.h> 48 #include <time.h> 49 #include <unistd.h> 50 #include <util.h> 51 52 __dead static void badarg(const char *); 53 __dead static void badparam(const char *); 54 __dead static void badval(const char *, const char *); 55 __dead static void usage(void); 56 static int set_unit(unsigned long); 57 static void config_unit(void); 58 static void print_val(const char *, const char **, int); 59 static void print_info(int); 60 static void print_stats(void); 61 static void print_class(const char *, uint8_t *); 62 static void print_class0(void); 63 static void print_voice(int); 64 static void tag(const char *); 65 static void print_features0(uint8_t *); 66 static void print_features1(uint8_t *); 67 static void print_features2(uint8_t *); 68 static void print_result(int, struct bt_devinquiry *); 69 static void do_inquiry(void); 70 71 static void hci_req(uint16_t, uint8_t , void *, size_t, void *, size_t); 72 static void save_value(uint16_t, void *, size_t); 73 static void load_value(uint16_t, void *, size_t); 74 75 #define MAX_STR_SIZE 0xff 76 77 /* print width */ 78 static int width = 0; 79 #define MAX_WIDTH 70 80 81 /* global variables */ 82 static int hci; 83 static struct btreq btr; 84 85 /* command line flags */ 86 static int verbose = 0; /* more info */ 87 static int lflag = 0; /* list devices */ 88 static int sflag = 0; /* get/zero stats */ 89 90 /* device up/down (flag) */ 91 static int opt_enable = 0; 92 static int opt_reset = 0; 93 #define FLAGS_FMT "\20" \ 94 "\001UP" \ 95 "\002RUNNING" \ 96 "\003XMIT_CMD" \ 97 "\004XMIT_ACL" \ 98 "\005XMIT_SCO" \ 99 "\006INIT_BDADDR" \ 100 "\007INIT_BUFFER_SIZE" \ 101 "\010INIT_FEATURES" \ 102 "\011POWER_UP_NOOP" \ 103 "\012INIT_COMMANDS" \ 104 "\013MASTER" \ 105 "" 106 107 /* authorisation (flag) */ 108 static int opt_auth = 0; 109 110 /* encryption (flag) */ 111 static int opt_encrypt = 0; 112 113 /* scan enable options (flags) */ 114 static int opt_pscan = 0; 115 static int opt_iscan = 0; 116 117 /* master role option */ 118 static int opt_master = 0; 119 120 /* link policy options (flags) */ 121 static int opt_switch = 0; 122 static int opt_hold = 0; 123 static int opt_sniff = 0; 124 static int opt_park = 0; 125 126 /* class of device (hex value) */ 127 static int opt_class = 0; 128 static uint32_t class; 129 130 /* packet type mask (hex value) */ 131 static int opt_ptype = 0; 132 static uint32_t ptype; 133 134 /* unit name (string) */ 135 static int opt_name = 0; 136 static char name[MAX_STR_SIZE]; 137 138 /* pin type */ 139 static int opt_pin = 0; 140 141 /* Inquiry */ 142 static int opt_rssi = 0; /* inquiry_with_rssi (obsolete flag) */ 143 static int opt_imode = 0; /* inquiry mode */ 144 static int opt_inquiry = 0; 145 #define INQUIRY_LENGTH 10 /* seconds */ 146 #define INQUIRY_MAX_RESPONSES 10 147 static const char *imodes[] = { "std", "rssi", "ext", NULL }; 148 149 /* Voice Settings */ 150 static int opt_voice = 0; 151 static uint32_t voice; 152 153 /* Page Timeout */ 154 static int opt_pto = 0; 155 static uint32_t pto; 156 157 /* set SCO mtu */ 158 static int opt_scomtu; 159 static uint32_t scomtu; 160 161 static struct parameter { 162 const char *name; 163 enum { P_SET, P_CLR, P_STR, P_HEX, P_NUM, P_VAL } 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 { "master", P_SET, &opt_master, NULL }, 177 { "-master", P_CLR, &opt_master, NULL }, 178 { "switch", P_SET, &opt_switch, NULL }, 179 { "-switch", P_CLR, &opt_switch, NULL }, 180 { "hold", P_SET, &opt_hold, NULL }, 181 { "-hold", P_CLR, &opt_hold, NULL }, 182 { "sniff", P_SET, &opt_sniff, NULL }, 183 { "-sniff", P_CLR, &opt_sniff, NULL }, 184 { "park", P_SET, &opt_park, NULL }, 185 { "-park", P_CLR, &opt_park, NULL }, 186 { "auth", P_SET, &opt_auth, NULL }, 187 { "-auth", P_CLR, &opt_auth, NULL }, 188 { "encrypt", P_SET, &opt_encrypt, NULL }, 189 { "-encrypt", P_CLR, &opt_encrypt, NULL }, 190 { "ptype", P_HEX, &opt_ptype, &ptype }, 191 { "class", P_HEX, &opt_class, &class }, 192 { "fixed", P_SET, &opt_pin, NULL }, 193 { "variable", P_CLR, &opt_pin, NULL }, 194 { "inq", P_SET, &opt_inquiry, NULL }, 195 { "inquiry", P_SET, &opt_inquiry, NULL }, 196 { "imode", P_VAL, &opt_imode, imodes }, 197 { "rssi", P_SET, &opt_rssi, NULL }, 198 { "-rssi", P_CLR, &opt_rssi, NULL }, 199 { "reset", P_SET, &opt_reset, NULL }, 200 { "voice", P_HEX, &opt_voice, &voice }, 201 { "pto", P_NUM, &opt_pto, &pto }, 202 { "scomtu", P_NUM, &opt_scomtu, &scomtu }, 203 { NULL, 0, NULL, NULL } 204 }; 205 206 int 207 main(int ac, char *av[]) 208 { 209 int ch; 210 struct parameter *p; 211 212 while ((ch = getopt(ac, av, "hlsvz")) != -1) { 213 switch(ch) { 214 case 'l': 215 lflag = 1; 216 break; 217 218 case 's': 219 sflag = 1; 220 break; 221 222 case 'v': 223 verbose++; 224 break; 225 226 case 'z': 227 sflag = 2; 228 break; 229 230 case 'h': 231 default: 232 usage(); 233 } 234 } 235 av += optind; 236 ac -= optind; 237 238 if (lflag && sflag) 239 usage(); 240 241 hci = socket(PF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI); 242 if (hci == -1) 243 err(EXIT_FAILURE, "socket"); 244 245 if (ac == 0) { 246 verbose++; 247 248 memset(&btr, 0, sizeof(btr)); 249 while (set_unit(SIOCNBTINFO) != -1) { 250 print_info(verbose); 251 print_stats(); 252 } 253 254 tag(NULL); 255 } else { 256 strlcpy(btr.btr_name, *av, HCI_DEVNAME_SIZE); 257 av++, ac--; 258 259 if (set_unit(SIOCGBTINFO) < 0) 260 err(EXIT_FAILURE, "%s", btr.btr_name); 261 262 if (ac == 0) 263 verbose += 2; 264 265 while (ac > 0) { 266 for (p = parameters ; ; p++) { 267 if (p->name == NULL) 268 badparam(*av); 269 270 if (strcmp(*av, p->name) == 0) 271 break; 272 } 273 274 switch(p->type) { 275 case P_SET: 276 *(p->opt) = 1; 277 break; 278 279 case P_CLR: 280 *(p->opt) = -1; 281 break; 282 283 case P_STR: 284 if (--ac < 1) badarg(p->name); 285 strlcpy((char *)(p->val), *++av, MAX_STR_SIZE); 286 *(p->opt) = 1; 287 break; 288 289 case P_HEX: 290 if (--ac < 1) badarg(p->name); 291 *(uint32_t *)(p->val) = strtoul(*++av, NULL, 16); 292 *(p->opt) = 1; 293 break; 294 295 case P_NUM: 296 if (--ac < 1) badarg(p->name); 297 *(uint32_t *)(p->val) = strtoul(*++av, NULL, 10); 298 *(p->opt) = 1; 299 break; 300 301 case P_VAL: 302 if (--ac < 1) badarg(p->name); 303 ++av; 304 ch = 0; 305 do { 306 if (((char **)(p->val))[ch] == NULL) 307 badval(p->name, *av); 308 } while (strcmp(((char **)(p->val))[ch++], *av)); 309 *(p->opt) = ch; 310 break; 311 } 312 313 av++, ac--; 314 } 315 316 config_unit(); 317 print_info(verbose); 318 print_stats(); 319 do_inquiry(); 320 } 321 322 close(hci); 323 return EXIT_SUCCESS; 324 } 325 326 static void 327 badparam(const char *param) 328 { 329 330 fprintf(stderr, "unknown parameter '%s'\n", param); 331 exit(EXIT_FAILURE); 332 } 333 334 static void 335 badarg(const char *param) 336 { 337 338 fprintf(stderr, "parameter '%s' needs argument\n", param); 339 exit(EXIT_FAILURE); 340 } 341 342 static void 343 badval(const char *param, const char *value) 344 { 345 346 fprintf(stderr, "bad value '%s' for parameter '%s'\n", value, param); 347 exit(EXIT_FAILURE); 348 } 349 350 static void 351 usage(void) 352 { 353 354 fprintf(stderr, "usage: %s [-svz] [device [parameters]]\n", getprogname()); 355 fprintf(stderr, " %s -l\n", getprogname()); 356 exit(EXIT_FAILURE); 357 } 358 359 /* 360 * pretty printing feature 361 */ 362 static void 363 tag(const char *f) 364 { 365 366 if (f == NULL) { 367 if (width > 0) 368 printf("\n"); 369 370 width = 0; 371 } else { 372 width += printf("%*s%s", 373 (width == 0 ? (lflag ? 0 : 8) : 1), 374 "", f); 375 376 if (width > MAX_WIDTH) { 377 printf("\n"); 378 width = 0; 379 } 380 } 381 } 382 383 /* 384 * basic HCI request wrapper with error check 385 */ 386 static void 387 hci_req(uint16_t opcode, uint8_t event, void *cbuf, size_t clen, 388 void *rbuf, size_t rlen) 389 { 390 struct bt_devreq req; 391 392 req.opcode = opcode; 393 req.event = event; 394 req.cparam = cbuf; 395 req.clen = clen; 396 req.rparam = rbuf; 397 req.rlen = rlen; 398 399 if (bt_devreq(hci, &req, 10) == -1) 400 err(EXIT_FAILURE, "cmd (%02x|%03x)", 401 HCI_OGF(opcode), HCI_OCF(opcode)); 402 403 if (event == 0 && rlen > 0 && ((uint8_t *)rbuf)[0] != 0) 404 errx(EXIT_FAILURE, "cmd (%02x|%03x): status 0x%02x", 405 HCI_OGF(opcode), HCI_OCF(opcode), ((uint8_t *)rbuf)[0]); 406 } 407 408 /* 409 * write value to device with opcode. 410 * provide a small response buffer so that the status can be checked 411 */ 412 static void 413 save_value(uint16_t opcode, void *cbuf, size_t clen) 414 { 415 uint8_t buf[1]; 416 417 hci_req(opcode, 0, cbuf, clen, buf, sizeof(buf)); 418 } 419 420 /* 421 * read value from device with opcode. 422 * use our own buffer and only return the value from the response packet 423 */ 424 static void 425 load_value(uint16_t opcode, void *rbuf, size_t rlen) 426 { 427 uint8_t buf[UINT8_MAX]; 428 429 hci_req(opcode, 0, NULL, 0, buf, sizeof(buf)); 430 memcpy(rbuf, buf + 1, rlen); 431 } 432 433 static int 434 set_unit(unsigned long cmd) 435 { 436 437 if (ioctl(hci, cmd, &btr) == -1) 438 return -1; 439 440 if (btr.btr_flags & BTF_UP) { 441 struct sockaddr_bt sa; 442 443 sa.bt_len = sizeof(sa); 444 sa.bt_family = AF_BLUETOOTH; 445 bdaddr_copy(&sa.bt_bdaddr, &btr.btr_bdaddr); 446 447 if (bind(hci, (struct sockaddr *)&sa, sizeof(sa)) < 0) 448 err(EXIT_FAILURE, "bind"); 449 450 if (connect(hci, (struct sockaddr *)&sa, sizeof(sa)) < 0) 451 err(EXIT_FAILURE, "connect"); 452 } 453 454 return 0; 455 } 456 457 /* 458 * apply configuration parameters to unit 459 */ 460 static void 461 config_unit(void) 462 { 463 464 if (opt_enable) { 465 if (opt_enable > 0) 466 btr.btr_flags |= BTF_UP; 467 else 468 btr.btr_flags &= ~BTF_UP; 469 470 if (ioctl(hci, SIOCSBTFLAGS, &btr) < 0) 471 err(EXIT_FAILURE, "SIOCSBTFLAGS"); 472 473 if (set_unit(SIOCGBTINFO) < 0) 474 err(EXIT_FAILURE, "%s", btr.btr_name); 475 } 476 477 if (opt_reset) { 478 static const struct timespec ts = { 0, 100000000 }; /* 100ms */ 479 480 btr.btr_flags |= BTF_INIT; 481 if (ioctl(hci, SIOCSBTFLAGS, &btr) < 0) 482 err(EXIT_FAILURE, "SIOCSBTFLAGS"); 483 484 hci_req(HCI_CMD_RESET, 0, NULL, 0, NULL, 0); 485 486 do { 487 nanosleep(&ts, NULL); 488 if (ioctl(hci, SIOCGBTINFO, &btr) < 0) 489 err(EXIT_FAILURE, "%s", btr.btr_name); 490 } while ((btr.btr_flags & BTF_INIT) != 0); 491 } 492 493 if (opt_master) { 494 if (opt_master > 0) 495 btr.btr_flags |= BTF_MASTER; 496 else 497 btr.btr_flags &= ~BTF_MASTER; 498 499 if (ioctl(hci, SIOCSBTFLAGS, &btr) < 0) 500 err(EXIT_FAILURE, "SIOCSBTFLAGS"); 501 } 502 503 if (opt_switch || opt_hold || opt_sniff || opt_park) { 504 uint16_t val = btr.btr_link_policy; 505 506 if (opt_switch > 0) val |= HCI_LINK_POLICY_ENABLE_ROLE_SWITCH; 507 if (opt_switch < 0) val &= ~HCI_LINK_POLICY_ENABLE_ROLE_SWITCH; 508 if (opt_hold > 0) val |= HCI_LINK_POLICY_ENABLE_HOLD_MODE; 509 if (opt_hold < 0) val &= ~HCI_LINK_POLICY_ENABLE_HOLD_MODE; 510 if (opt_sniff > 0) val |= HCI_LINK_POLICY_ENABLE_SNIFF_MODE; 511 if (opt_sniff < 0) val &= ~HCI_LINK_POLICY_ENABLE_SNIFF_MODE; 512 if (opt_park > 0) val |= HCI_LINK_POLICY_ENABLE_PARK_MODE; 513 if (opt_park < 0) val &= ~HCI_LINK_POLICY_ENABLE_PARK_MODE; 514 515 btr.btr_link_policy = val; 516 if (ioctl(hci, SIOCSBTPOLICY, &btr) < 0) 517 err(EXIT_FAILURE, "SIOCSBTPOLICY"); 518 } 519 520 if (opt_ptype) { 521 btr.btr_packet_type = ptype; 522 if (ioctl(hci, SIOCSBTPTYPE, &btr) < 0) 523 err(EXIT_FAILURE, "SIOCSBTPTYPE"); 524 } 525 526 if (opt_pscan || opt_iscan) { 527 uint8_t val; 528 529 load_value(HCI_CMD_READ_SCAN_ENABLE, &val, sizeof(val)); 530 if (opt_pscan > 0) val |= HCI_PAGE_SCAN_ENABLE; 531 if (opt_pscan < 0) val &= ~HCI_PAGE_SCAN_ENABLE; 532 if (opt_iscan > 0) val |= HCI_INQUIRY_SCAN_ENABLE; 533 if (opt_iscan < 0) val &= ~HCI_INQUIRY_SCAN_ENABLE; 534 save_value(HCI_CMD_WRITE_SCAN_ENABLE, &val, sizeof(val)); 535 } 536 537 if (opt_auth) { 538 uint8_t val = (opt_auth > 0 ? 1 : 0); 539 540 save_value(HCI_CMD_WRITE_AUTH_ENABLE, &val, sizeof(val)); 541 } 542 543 if (opt_encrypt) { 544 uint8_t val = (opt_encrypt > 0 ? 1 : 0); 545 546 save_value(HCI_CMD_WRITE_ENCRYPTION_MODE, &val, sizeof(val)); 547 } 548 549 if (opt_name) 550 save_value(HCI_CMD_WRITE_LOCAL_NAME, name, HCI_UNIT_NAME_SIZE); 551 552 if (opt_class) { 553 uint8_t val[HCI_CLASS_SIZE]; 554 555 val[0] = (class >> 0) & 0xff; 556 val[1] = (class >> 8) & 0xff; 557 val[2] = (class >> 16) & 0xff; 558 559 save_value(HCI_CMD_WRITE_UNIT_CLASS, val, HCI_CLASS_SIZE); 560 } 561 562 if (opt_pin) { 563 uint8_t val; 564 565 if (opt_pin > 0) val = 1; 566 else val = 0; 567 568 save_value(HCI_CMD_WRITE_PIN_TYPE, &val, sizeof(val)); 569 } 570 571 if (opt_voice) { 572 uint16_t val; 573 574 val = htole16(voice & 0x03ff); 575 save_value(HCI_CMD_WRITE_VOICE_SETTING, &val, sizeof(val)); 576 } 577 578 if (opt_pto) { 579 uint16_t val; 580 581 val = htole16(pto * 8 / 5); 582 save_value(HCI_CMD_WRITE_PAGE_TIMEOUT, &val, sizeof(val)); 583 } 584 585 if (opt_scomtu) { 586 if (scomtu > 0xff) { 587 warnx("Invalid SCO mtu %d", scomtu); 588 } else { 589 btr.btr_sco_mtu = scomtu; 590 591 if (ioctl(hci, SIOCSBTSCOMTU, &btr) < 0) 592 warn("SIOCSBTSCOMTU"); 593 } 594 } 595 596 if (opt_imode | opt_rssi) { 597 uint8_t val = (opt_rssi > 0 ? 1 : 0); 598 599 if (opt_imode) 600 val = opt_imode - 1; 601 602 save_value(HCI_CMD_WRITE_INQUIRY_MODE, &val, sizeof(val)); 603 } 604 } 605 606 /* 607 * print value from NULL terminated array given index 608 */ 609 static void 610 print_val(const char *hdr, const char **argv, int idx) 611 { 612 int i = 0; 613 614 while (i < idx && *argv != NULL) 615 i++, argv++; 616 617 printf("\t%s: %s\n", hdr, *argv == NULL ? "unknown" : *argv); 618 } 619 620 /* 621 * Print info for Bluetooth Device with varying verbosity levels 622 */ 623 static void 624 print_info(int level) 625 { 626 uint8_t version, val, buf[MAX_STR_SIZE]; 627 628 if (lflag) { 629 tag(btr.btr_name); 630 return; 631 } 632 633 if (level-- < 1) 634 return; 635 636 snprintb((char *)buf, MAX_STR_SIZE, FLAGS_FMT, btr.btr_flags); 637 638 printf("%s: bdaddr %s flags %s\n", btr.btr_name, 639 bt_ntoa(&btr.btr_bdaddr, NULL), buf); 640 641 if (level-- < 1) 642 return; 643 644 printf("\tnum_cmd = %d\n" 645 "\tnum_acl = %d (max %d), acl_mtu = %d\n" 646 "\tnum_sco = %d (max %d), sco_mtu = %d\n", 647 btr.btr_num_cmd, 648 btr.btr_num_acl, btr.btr_max_acl, btr.btr_acl_mtu, 649 btr.btr_num_sco, btr.btr_max_sco, btr.btr_sco_mtu); 650 651 if (level-- < 1 || (btr.btr_flags & BTF_UP) == 0) 652 return; 653 654 load_value(HCI_CMD_READ_LOCAL_VER, buf, 3); 655 printf("\tHCI version: "); 656 switch((version = buf[0])) { 657 case HCI_SPEC_V10: printf("1.0b"); break; 658 case HCI_SPEC_V11: printf("1.1"); break; 659 case HCI_SPEC_V12: printf("1.2"); break; 660 case HCI_SPEC_V20: printf("2.0 + EDR"); break; 661 case HCI_SPEC_V21: printf("2.1 + EDR"); break; 662 case HCI_SPEC_V30: printf("3.0 + HS"); break; 663 case HCI_SPEC_V40: printf("4.0"); break; 664 case HCI_SPEC_V41: printf("4.1"); break; 665 case HCI_SPEC_V42: printf("4.2"); break; 666 case HCI_SPEC_V50: printf("5.0"); break; 667 default: printf("[%d]", version);break; 668 } 669 printf(" rev 0x%04x\n", le16dec(&buf[1])); 670 671 load_value(HCI_CMD_READ_UNIT_CLASS, buf, HCI_CLASS_SIZE); 672 print_class("\tclass:", buf); 673 674 load_value(HCI_CMD_READ_LOCAL_NAME, buf, HCI_UNIT_NAME_SIZE); 675 printf("\tname: \"%s\"\n", buf); 676 677 load_value(HCI_CMD_READ_VOICE_SETTING, buf, sizeof(uint16_t)); 678 voice = (buf[1] << 8) | buf[0]; 679 print_voice(level); 680 681 load_value(HCI_CMD_READ_PIN_TYPE, &val, sizeof(val)); 682 printf("\tpin: %s\n", val ? "fixed" : "variable"); 683 684 val = 0; 685 if (version >= HCI_SPEC_V12) 686 load_value(HCI_CMD_READ_INQUIRY_MODE, &val, sizeof(val)); 687 688 print_val("inquiry mode", imodes, val); 689 690 width = printf("\toptions:"); 691 692 load_value(HCI_CMD_READ_SCAN_ENABLE, &val, sizeof(val)); 693 if (val & HCI_INQUIRY_SCAN_ENABLE) tag("iscan"); 694 else if (level > 0) tag("-iscan"); 695 696 if (val & HCI_PAGE_SCAN_ENABLE) tag("pscan"); 697 else if (level > 0) tag("-pscan"); 698 699 load_value(HCI_CMD_READ_AUTH_ENABLE, &val, sizeof(val)); 700 if (val) tag("auth"); 701 else if (level > 0) tag("-auth"); 702 703 load_value(HCI_CMD_READ_ENCRYPTION_MODE, &val, sizeof(val)); 704 if (val) tag("encrypt"); 705 else if (level > 0) tag("-encrypt"); 706 707 val = btr.btr_link_policy; 708 if (val & HCI_LINK_POLICY_ENABLE_ROLE_SWITCH) tag("switch"); 709 else if (level > 0) tag("-switch"); 710 if (val & HCI_LINK_POLICY_ENABLE_HOLD_MODE) tag("hold"); 711 else if (level > 0) tag("-hold"); 712 if (val & HCI_LINK_POLICY_ENABLE_SNIFF_MODE) tag("sniff"); 713 else if (level > 0) tag("-sniff"); 714 if (val & HCI_LINK_POLICY_ENABLE_PARK_MODE) tag("park"); 715 else if (level > 0) tag("-park"); 716 717 tag(NULL); 718 719 if (level-- < 1) 720 return; 721 722 ptype = btr.btr_packet_type; 723 width = printf("\tptype: [0x%04x]", ptype); 724 if (ptype & HCI_PKT_DM1) tag("DM1"); 725 if (ptype & HCI_PKT_DH1) tag("DH1"); 726 if (ptype & HCI_PKT_DM3) tag("DM3"); 727 if (ptype & HCI_PKT_DH3) tag("DH3"); 728 if (ptype & HCI_PKT_DM5) tag("DM5"); 729 if (ptype & HCI_PKT_DH5) tag("DH5"); 730 if ((ptype & HCI_PKT_2MBPS_DH1) == 0) tag("2-DH1"); 731 if ((ptype & HCI_PKT_3MBPS_DH1) == 0) tag("3-DH1"); 732 if ((ptype & HCI_PKT_2MBPS_DH3) == 0) tag("2-DH3"); 733 if ((ptype & HCI_PKT_3MBPS_DH3) == 0) tag("3-DH3"); 734 if ((ptype & HCI_PKT_2MBPS_DH5) == 0) tag("2-DH5"); 735 if ((ptype & HCI_PKT_3MBPS_DH5) == 0) tag("3-DH5"); 736 tag(NULL); 737 738 load_value(HCI_CMD_READ_PAGE_TIMEOUT, buf, sizeof(uint16_t)); 739 printf("\tpage timeout: %d ms\n", le16dec(buf) * 5 / 8); 740 741 if (level-- < 1) 742 return; 743 744 if (ioctl(hci, SIOCGBTFEAT, &btr) < 0) 745 err(EXIT_FAILURE, "SIOCGBTFEAT"); 746 747 width = printf("\tfeatures:"); 748 print_features0(btr.btr_features0); 749 print_features1(btr.btr_features1); 750 print_features2(btr.btr_features2); 751 tag(NULL); 752 } 753 754 static void 755 print_stats(void) 756 { 757 758 if (sflag == 0) 759 return; 760 761 if (sflag == 1) { 762 if (ioctl(hci, SIOCGBTSTATS, &btr) < 0) 763 err(EXIT_FAILURE, "SIOCGBTSTATS"); 764 } else { 765 if (ioctl(hci, SIOCZBTSTATS, &btr) < 0) 766 err(EXIT_FAILURE, "SIOCZBTSTATS"); 767 } 768 769 printf( "\tTotal bytes sent %d, received %d\n" 770 "\tCommands sent %d, Events received %d\n" 771 "\tACL data packets sent %d, received %d\n" 772 "\tSCO data packets sent %d, received %d\n" 773 "\tInput errors %d, Output errors %d\n", 774 btr.btr_stats.byte_tx, btr.btr_stats.byte_rx, 775 btr.btr_stats.cmd_tx, btr.btr_stats.evt_rx, 776 btr.btr_stats.acl_tx, btr.btr_stats.acl_rx, 777 btr.btr_stats.sco_tx, btr.btr_stats.sco_rx, 778 btr.btr_stats.err_rx, btr.btr_stats.err_tx); 779 } 780 781 static void 782 print_features0(uint8_t *f) 783 { 784 785 /* ------------------- byte 0 --------------------*/ 786 if (*f & HCI_LMP_3SLOT) tag("<3 slot>"); 787 if (*f & HCI_LMP_5SLOT) tag("<5 slot>"); 788 if (*f & HCI_LMP_ENCRYPTION) tag("<encryption>"); 789 if (*f & HCI_LMP_SLOT_OFFSET) tag("<slot offset>"); 790 if (*f & HCI_LMP_TIMIACCURACY) tag("<timing accuracy>"); 791 if (*f & HCI_LMP_ROLE_SWITCH) tag("<role switch>"); 792 if (*f & HCI_LMP_HOLD_MODE) tag("<hold mode>"); 793 if (*f & HCI_LMP_SNIFF_MODE) tag("<sniff mode>"); 794 f++; 795 796 /* ------------------- byte 1 --------------------*/ 797 if (*f & HCI_LMP_PARK_MODE) tag("<park mode>"); 798 if (*f & HCI_LMP_RSSI) tag("<RSSI>"); 799 if (*f & HCI_LMP_CHANNEL_QUALITY) tag("<channel quality>"); 800 if (*f & HCI_LMP_SCO_LINK) tag("<SCO link>"); 801 if (*f & HCI_LMP_HV2_PKT) tag("<HV2>"); 802 if (*f & HCI_LMP_HV3_PKT) tag("<HV3>"); 803 if (*f & HCI_LMP_ULAW_LOG) tag("<u-Law log>"); 804 if (*f & HCI_LMP_ALAW_LOG) tag("<A-Law log>"); 805 f++; 806 807 /* ------------------- byte 1 --------------------*/ 808 if (*f & HCI_LMP_CVSD) tag("<CVSD data>"); 809 if (*f & HCI_LMP_PAGISCHEME) tag("<paging parameter>"); 810 if (*f & HCI_LMP_POWER_CONTROL) tag("<power control>"); 811 if (*f & HCI_LMP_TRANSPARENT_SCO) tag("<transparent SCO>"); 812 if (*f & HCI_LMP_FLOW_CONTROL_LAG0) tag("<flow control lag lsb>"); 813 if (*f & HCI_LMP_FLOW_CONTROL_LAG1) tag("<flow control lag mb>"); 814 if (*f & HCI_LMP_FLOW_CONTROL_LAG2) tag("<flow control lag msb>"); 815 if (*f & HCI_LMP_BC_ENCRYPTION) tag("<broadcast encryption>"); 816 f++; 817 818 /* ------------------- byte 3 --------------------*/ 819 if (*f & HCI_LMP_EDR_ACL_2MBPS) tag("<EDR ACL 2Mbps>"); 820 if (*f & HCI_LMP_EDR_ACL_3MBPS) tag("<EDR ACL 3Mbps>"); 821 if (*f & HCI_LMP_ENHANCED_ISCAN) tag("<enhanced inquiry scan>"); 822 if (*f & HCI_LMP_INTERLACED_ISCAN) tag("<interlaced inquiry scan>"); 823 if (*f & HCI_LMP_INTERLACED_PSCAN) tag("<interlaced page scan>"); 824 if (*f & HCI_LMP_RSSI_INQUIRY) tag("<RSSI with inquiry result>"); 825 if (*f & HCI_LMP_EV3_PKT) tag("<EV3 packets>"); 826 f++; 827 828 /* ------------------- byte 4 --------------------*/ 829 if (*f & HCI_LMP_EV4_PKT) tag("<EV4 packets>"); 830 if (*f & HCI_LMP_EV5_PKT) tag("<EV5 packets>"); 831 if (*f & HCI_LMP_AFH_CAPABLE_SLAVE) tag("<AFH capable slave>"); 832 if (*f & HCI_LMP_AFH_CLASS_SLAVE) tag("<AFH class slave>"); 833 if (*f & HCI_LMP_BR_EDR_UNSUPPORTED)tag("<BR/EDR not supported>"); 834 if (*f & HCI_LMP_LE_CONTROLLER) tag("<LE (controller)>"); 835 if (*f & HCI_LMP_3SLOT_EDR_ACL) tag("<3 slot EDR ACL>"); 836 f++; 837 838 /* ------------------- byte 5 --------------------*/ 839 if (*f & HCI_LMP_5SLOT_EDR_ACL) tag("<5 slot EDR ACL>"); 840 if (*f & HCI_LMP_SNIFF_SUBRATING) tag("<sniff subrating>"); 841 if (*f & HCI_LMP_PAUSE_ENCRYPTION) tag("<pause encryption>"); 842 if (*f & HCI_LMP_AFH_CAPABLE_MASTER)tag("<AFH capable master>"); 843 if (*f & HCI_LMP_AFH_CLASS_MASTER) tag("<AFH class master>"); 844 if (*f & HCI_LMP_EDR_eSCO_2MBPS) tag("<EDR eSCO 2Mbps>"); 845 if (*f & HCI_LMP_EDR_eSCO_3MBPS) tag("<EDR eSCO 3Mbps>"); 846 if (*f & HCI_LMP_3SLOT_EDR_eSCO) tag("<3 slot EDR eSCO>"); 847 f++; 848 849 /* ------------------- byte 6 --------------------*/ 850 if (*f & HCI_LMP_EXTENDED_INQUIRY) tag("<extended inquiry>"); 851 if (*f & HCI_LMP_LE_BR_EDR_CONTROLLER)tag("<simultaneous LE & BR/EDR (controller)>"); 852 if (*f & HCI_LMP_SIMPLE_PAIRING) tag("<secure simple pairing>"); 853 if (*f & HCI_LMP_ENCAPSULATED_PDU) tag("<encapsulated PDU>"); 854 if (*f & HCI_LMP_ERRDATA_REPORTING) tag("<errdata reporting>"); 855 if (*f & HCI_LMP_NOFLUSH_PB_FLAG) tag("<no flush PB flag>"); 856 f++; 857 858 /* ------------------- byte 7 --------------------*/ 859 if (*f & HCI_LMP_LINK_SUPERVISION_TO)tag("<link supervision timeout changed>"); 860 if (*f & HCI_LMP_INQ_RSP_TX_POWER) tag("<inquiry rsp TX power level>"); 861 if (*f & HCI_LMP_ENHANCED_POWER_CONTROL)tag("<enhanced power control>"); 862 if (*f & HCI_LMP_EXTENDED_FEATURES) tag("<extended features>"); 863 } 864 865 static void 866 print_features1(uint8_t *f) 867 { 868 869 /* ------------------- byte 0 --------------------*/ 870 if (*f & HCI_LMP_SSP) tag("<secure simple pairing (host)>"); 871 if (*f & HCI_LMP_LE_HOST) tag("<LE (host)>"); 872 if (*f & HCI_LMP_LE_BR_EDR_HOST) tag("<simultaneous LE & BR/EDR (host)>"); 873 if (*f & HCI_LMP_SECURE_CONN_HOST) tag("<secure connections (host)>"); 874 } 875 876 static void 877 print_features2(uint8_t *f) 878 { 879 /* ------------------- byte 0 --------------------*/ 880 if (*f & HCI_LMP_CONNLESS_MASTER) tag("<connectionless master>"); 881 if (*f & HCI_LMP_CONNLESS_SLAVE) tag("<connectionless slave>"); 882 if (*f & HCI_LMP_SYNC_TRAIN) tag("<synchronization train>"); 883 if (*f & HCI_LMP_SYNC_SCAN) tag("<synchronization scan>"); 884 if (*f & HCI_LMP_INQ_RSP_NOTIFY) tag("<inquiry response notification>"); 885 if (*f & HCI_LMP_INTERLACE_SCAN) tag("<generalized interlace scan>"); 886 if (*f & HCI_LMP_COARSE_CLOCK) tag("<coarse clock adjustment>"); 887 888 /* ------------------- byte 1 --------------------*/ 889 if (*f & HCI_LMP_SECURE_CONN_CONTROLLER)tag("<secure connections (controller)>"); 890 if (*f & HCI_LMP_PING) tag("<ping>"); 891 if (*f & HCI_LMP_TRAIN_NUDGING) tag("<train nudging>"); 892 } 893 894 static void 895 print_class(const char *str, uint8_t *uclass) 896 { 897 898 class = (uclass[2] << 16) | (uclass[1] << 8) | uclass[0]; 899 width = printf("%s [0x%06x]", str, class); 900 901 switch(__SHIFTOUT(class, __BITS(0, 1))) { 902 case 0: print_class0(); break; 903 default: break; 904 } 905 906 tag(NULL); 907 } 908 909 static void 910 print_class0(void) 911 { 912 913 switch (__SHIFTOUT(class, __BITS(8, 12))) { 914 case 1: /* Computer */ 915 switch (__SHIFTOUT(class, __BITS(2, 7))) { 916 case 1: tag("Desktop workstation"); break; 917 case 2: tag("Server-class computer"); break; 918 case 3: tag("Laptop"); break; 919 case 4: tag("Handheld PC/PDA"); break; 920 case 5: tag("Palm Sized PC/PDA"); break; 921 case 6: tag("Wearable computer"); break; 922 default: tag("Computer"); break; 923 } 924 break; 925 926 case 2: /* Phone */ 927 switch (__SHIFTOUT(class, __BITS(2, 7))) { 928 case 1: tag("Cellular Phone"); break; 929 case 2: tag("Cordless Phone"); break; 930 case 3: tag("Smart Phone"); break; 931 case 4: tag("Wired Modem/Phone Gateway"); break; 932 case 5: tag("Common ISDN"); break; 933 default:tag("Phone"); break; 934 } 935 break; 936 937 case 3: /* LAN */ 938 tag("LAN"); 939 switch (__SHIFTOUT(class, __BITS(5, 7))) { 940 case 0: tag("[Fully available]"); break; 941 case 1: tag("[1-17% utilised]"); break; 942 case 2: tag("[17-33% utilised]"); break; 943 case 3: tag("[33-50% utilised]"); break; 944 case 4: tag("[50-67% utilised]"); break; 945 case 5: tag("[67-83% utilised]"); break; 946 case 6: tag("[83-99% utilised]"); break; 947 case 7: tag("[No service available]"); break; 948 } 949 break; 950 951 case 4: /* Audio/Visual */ 952 switch (__SHIFTOUT(class, __BITS(2, 7))) { 953 case 1: tag("Wearable Headset"); break; 954 case 2: tag("Hands-free Audio"); break; 955 case 4: tag("Microphone"); break; 956 case 5: tag("Loudspeaker"); break; 957 case 6: tag("Headphones"); break; 958 case 7: tag("Portable Audio"); break; 959 case 8: tag("Car Audio"); break; 960 case 9: tag("Set-top Box"); break; 961 case 10: tag("HiFi Audio"); break; 962 case 11: tag("VCR"); break; 963 case 12: tag("Video Camera"); break; 964 case 13: tag("Camcorder"); break; 965 case 14: tag("Video Monitor"); break; 966 case 15: tag("Video Display and Loudspeaker"); break; 967 case 16: tag("Video Conferencing"); break; 968 case 18: tag("A/V [Gaming/Toy]"); break; 969 default: tag("Audio/Visual"); break; 970 } 971 break; 972 973 case 5: /* Peripheral */ 974 switch (__SHIFTOUT(class, __BITS(2, 5))) { 975 case 1: tag("Joystick"); break; 976 case 2: tag("Gamepad"); break; 977 case 3: tag("Remote Control"); break; 978 case 4: tag("Sensing Device"); break; 979 case 5: tag("Digitiser Tablet"); break; 980 case 6: tag("Card Reader"); break; 981 default: tag("Peripheral"); break; 982 } 983 984 if (class & __BIT(6)) tag("Keyboard"); 985 if (class & __BIT(7)) tag("Mouse"); 986 break; 987 988 case 6: /* Imaging */ 989 if (class & __BIT(4)) tag("Display"); 990 if (class & __BIT(5)) tag("Camera"); 991 if (class & __BIT(6)) tag("Scanner"); 992 if (class & __BIT(7)) tag("Printer"); 993 if ((class & __BITS(4, 7)) == 0) tag("Imaging"); 994 break; 995 996 case 7: /* Wearable */ 997 switch (__SHIFTOUT(class, __BITS(2, 7))) { 998 case 1: tag("Wrist Watch"); break; 999 case 2: tag("Pager"); break; 1000 case 3: tag("Jacket"); break; 1001 case 4: tag("Helmet"); break; 1002 case 5: tag("Glasses"); break; 1003 default: tag("Wearable"); break; 1004 } 1005 break; 1006 1007 case 8: /* Toy */ 1008 switch (__SHIFTOUT(class, __BITS(2, 7))) { 1009 case 1: tag("Robot"); break; 1010 case 2: tag("Vehicle"); break; 1011 case 3: tag("Doll / Action Figure"); break; 1012 case 4: tag("Controller"); break; 1013 case 5: tag("Game"); break; 1014 default: tag("Toy"); break; 1015 } 1016 break; 1017 1018 case 9: /* Health */ 1019 switch (__SHIFTOUT(class, __BITS(2, 7))) { 1020 case 1: tag("Blood Pressure Monitor"); break; 1021 case 2: tag("Thermometer"); break; 1022 case 3: tag("Weighing Scale"); break; 1023 case 4: tag("Glucose Meter"); break; 1024 case 5: tag("Pulse Oximeter"); break; 1025 case 6: tag("Heart/Pulse Rate Monitor"); break; 1026 case 7: tag("Health Data Display"); break; 1027 default: tag("Health"); break; 1028 } 1029 break; 1030 1031 default: 1032 break; 1033 } 1034 1035 if (class & __BIT(13)) tag("<Limited Discoverable>"); 1036 if (class & __BIT(16)) tag("<Positioning>"); 1037 if (class & __BIT(17)) tag("<Networking>"); 1038 if (class & __BIT(18)) tag("<Rendering>"); 1039 if (class & __BIT(19)) tag("<Capturing>"); 1040 if (class & __BIT(20)) tag("<Object Transfer>"); 1041 if (class & __BIT(21)) tag("<Audio>"); 1042 if (class & __BIT(22)) tag("<Telephony>"); 1043 if (class & __BIT(23)) tag("<Information>"); 1044 } 1045 1046 static void 1047 print_voice(int level) 1048 { 1049 printf("\tvoice: [0x%4.4x]\n", voice); 1050 1051 if (level == 0) 1052 return; 1053 1054 printf("\t\tInput Coding: "); 1055 switch ((voice & 0x0300) >> 8) { 1056 case 0x00: printf("Linear PCM [%d-bit, pos %d]", 1057 (voice & 0x0020 ? 16 : 8), 1058 (voice & 0x001c) >> 2); break; 1059 case 0x01: printf("u-Law"); break; 1060 case 0x02: printf("A-Law"); break; 1061 case 0x03: printf("unknown"); break; 1062 } 1063 1064 switch ((voice & 0x00c0) >> 6) { 1065 case 0x00: printf(", 1's complement"); break; 1066 case 0x01: printf(", 2's complement"); break; 1067 case 0x02: printf(", sign magnitude"); break; 1068 case 0x03: printf(", unsigned"); break; 1069 } 1070 1071 printf("\n\t\tAir Coding: "); 1072 switch (voice & 0x0003) { 1073 case 0x00: printf("CVSD"); break; 1074 case 0x01: printf("u-Law"); break; 1075 case 0x02: printf("A-Law"); break; 1076 case 0x03: printf("Transparent"); break; 1077 } 1078 1079 printf("\n"); 1080 } 1081 1082 static void 1083 print_result(int num, struct bt_devinquiry *r) 1084 { 1085 hci_remote_name_req_cp ncp; 1086 hci_remote_name_req_compl_ep nep; 1087 struct hostent *hp; 1088 1089 printf("%3d: bdaddr %s", num, bt_ntoa(&r->bdaddr, NULL)); 1090 1091 hp = bt_gethostbyaddr((const char *)&r->bdaddr, sizeof(bdaddr_t), AF_BLUETOOTH); 1092 if (hp != NULL) 1093 printf(" (%s)", hp->h_name); 1094 1095 printf("\n"); 1096 1097 memset(&ncp, 0, sizeof(ncp)); 1098 bdaddr_copy(&ncp.bdaddr, &r->bdaddr); 1099 ncp.page_scan_rep_mode = r->pscan_rep_mode; 1100 ncp.clock_offset = r->clock_offset; 1101 1102 hci_req(HCI_CMD_REMOTE_NAME_REQ, 1103 HCI_EVENT_REMOTE_NAME_REQ_COMPL, 1104 &ncp, sizeof(ncp), 1105 &nep, sizeof(nep)); 1106 1107 printf(" : name \"%s\"\n", nep.name); 1108 print_class(" : class", r->dev_class); 1109 printf(" : page scan rep mode 0x%02x\n", r->pscan_rep_mode); 1110 printf(" : clock offset %d\n", le16toh(r->clock_offset)); 1111 printf(" : rssi %d\n", r->rssi); 1112 printf("\n"); 1113 } 1114 1115 static void 1116 do_inquiry(void) 1117 { 1118 struct bt_devinquiry *result; 1119 int i, num; 1120 1121 if (opt_inquiry == 0) 1122 return; 1123 1124 printf("Device Discovery from device: %s ...", btr.btr_name); 1125 fflush(stdout); 1126 1127 num = bt_devinquiry(btr.btr_name, INQUIRY_LENGTH, 1128 INQUIRY_MAX_RESPONSES, &result); 1129 1130 if (num == -1) { 1131 printf("failed\n"); 1132 err(EXIT_FAILURE, "%s", btr.btr_name); 1133 } 1134 1135 printf(" %d response%s\n", num, (num == 1 ? "" : "s")); 1136 1137 for (i = 0 ; i < num ; i++) 1138 print_result(i + 1, &result[i]); 1139 1140 free(result); 1141 } 1142
Indexes created Tue Sep 23 22:09:46 GMT 2025