btconfig.c revision 1.7
1 /* $NetBSD: btconfig.c,v 1.7 2007/11/06 21:35:36 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 1.7 2007/11/06 21:35:36 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" 108 109 /* authorisation (flag) */ 110 int opt_auth = 0; 111 112 /* encryption (flag) */ 113 int opt_encrypt = 0; 114 115 /* scan enable options (flags) */ 116 int opt_pscan = 0; 117 int opt_iscan = 0; 118 119 /* link policy options (flags) */ 120 int opt_switch = 0; 121 int opt_hold = 0; 122 int opt_sniff = 0; 123 int opt_park = 0; 124 125 /* class of device (hex value) */ 126 int opt_class = 0; 127 uint32_t class; 128 129 /* packet type mask (hex value) */ 130 int opt_ptype = 0; 131 uint32_t ptype; 132 133 /* unit name (string) */ 134 int opt_name = 0; 135 char name[MAX_STR_SIZE]; 136 137 /* pin type */ 138 int opt_pin = 0; 139 140 /* Inquiry */ 141 int opt_rssi = 0; /* inquiry_with_rssi (flag) */ 142 int opt_inquiry = 0; 143 #define INQUIRY_LENGTH 10 /* about 12 seconds */ 144 #define INQUIRY_MAX_RESPONSES 10 145 146 /* Voice Settings */ 147 int opt_voice = 0; 148 uint32_t voice; 149 150 /* Page Timeout */ 151 int opt_pto = 0; 152 uint32_t pto; 153 154 /* set SCO mtu */ 155 int opt_scomtu; 156 uint32_t scomtu; 157 158 struct parameter { 159 const char *name; 160 enum { P_SET, P_CLR, P_STR, P_HEX, P_NUM } type; 161 int *opt; 162 void *val; 163 } parameters[] = { 164 { "up", P_SET, &opt_enable, NULL }, 165 { "enable", P_SET, &opt_enable, NULL }, 166 { "down", P_CLR, &opt_enable, NULL }, 167 { "disable", P_CLR, &opt_enable, NULL }, 168 { "name", P_STR, &opt_name, name }, 169 { "pscan", P_SET, &opt_pscan, NULL }, 170 { "-pscan", P_CLR, &opt_pscan, NULL }, 171 { "iscan", P_SET, &opt_iscan, NULL }, 172 { "-iscan", P_CLR, &opt_iscan, NULL }, 173 { "switch", P_SET, &opt_switch, NULL }, 174 { "-switch", P_CLR, &opt_switch, NULL }, 175 { "hold", P_SET, &opt_hold, NULL }, 176 { "-hold", P_CLR, &opt_hold, NULL }, 177 { "sniff", P_SET, &opt_sniff, NULL }, 178 { "-sniff", P_CLR, &opt_sniff, NULL }, 179 { "park", P_SET, &opt_park, NULL }, 180 { "-park", P_CLR, &opt_park, NULL }, 181 { "auth", P_SET, &opt_auth, NULL }, 182 { "-auth", P_CLR, &opt_auth, NULL }, 183 { "encrypt", P_SET, &opt_encrypt, NULL }, 184 { "-encrypt", P_CLR, &opt_encrypt, NULL }, 185 { "ptype", P_HEX, &opt_ptype, &ptype }, 186 { "class", P_HEX, &opt_class, &class }, 187 { "fixed", P_SET, &opt_pin, NULL }, 188 { "variable", P_CLR, &opt_pin, NULL }, 189 { "inq", P_SET, &opt_inquiry, NULL }, 190 { "inquiry", P_SET, &opt_inquiry, NULL }, 191 { "rssi", P_SET, &opt_rssi, NULL }, 192 { "-rssi", P_CLR, &opt_rssi, NULL }, 193 { "reset", P_SET, &opt_reset, NULL }, 194 { "voice", P_HEX, &opt_voice, &voice }, 195 { "pto", P_NUM, &opt_pto, &pto }, 196 { "scomtu", P_NUM, &opt_scomtu, &scomtu }, 197 { NULL, 0, NULL, NULL } 198 }; 199 200 int 201 main(int ac, char *av[]) 202 { 203 int ch; 204 struct parameter *p; 205 206 while ((ch = getopt(ac, av, "hlsvz")) != -1) { 207 switch(ch) { 208 case 'l': 209 lflag = 1; 210 break; 211 212 case 's': 213 sflag = 1; 214 break; 215 216 case 'v': 217 verbose++; 218 break; 219 220 case 'z': 221 sflag = 2; 222 break; 223 224 case 'h': 225 default: 226 usage(); 227 } 228 } 229 av += optind; 230 ac -= optind; 231 232 if (lflag && sflag) 233 usage(); 234 235 hci = socket(PF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI); 236 if (hci == -1) 237 err(EXIT_FAILURE, "socket"); 238 239 if (ac == 0) { 240 verbose++; 241 242 memset(&btr, 0, sizeof(btr)); 243 while (set_unit(SIOCNBTINFO) != -1) { 244 print_info(verbose); 245 print_stats(); 246 } 247 248 tag(NULL); 249 } else { 250 strlcpy(btr.btr_name, *av, HCI_DEVNAME_SIZE); 251 av++, ac--; 252 253 if (set_unit(SIOCGBTINFO) < 0) 254 err(EXIT_FAILURE, "%s", btr.btr_name); 255 256 if (ac == 0) 257 verbose += 2; 258 259 while (ac > 0) { 260 for (p = parameters ; ; p++) { 261 if (p->name == NULL) 262 badparam(*av); 263 264 if (strcmp(*av, p->name) == 0) 265 break; 266 } 267 268 switch(p->type) { 269 case P_SET: 270 *(p->opt) = 1; 271 break; 272 273 case P_CLR: 274 *(p->opt) = -1; 275 break; 276 277 case P_STR: 278 if (--ac < 1) badarg(p->name); 279 strlcpy((char *)(p->val), *++av, MAX_STR_SIZE); 280 *(p->opt) = 1; 281 break; 282 283 case P_HEX: 284 if (--ac < 1) badarg(p->name); 285 *(uint32_t *)(p->val) = strtoul(*++av, NULL, 16); 286 *(p->opt) = 1; 287 break; 288 289 case P_NUM: 290 if (--ac < 1) badarg(p->name); 291 *(uint32_t *)(p->val) = strtoul(*++av, NULL, 10); 292 *(p->opt) = 1; 293 break; 294 } 295 296 av++, ac--; 297 } 298 299 config_unit(); 300 print_info(verbose); 301 print_stats(); 302 do_inquiry(); 303 } 304 305 close(hci); 306 return EXIT_SUCCESS; 307 } 308 309 void 310 badparam(const char *param) 311 { 312 313 fprintf(stderr, "unknown parameter '%s'\n", param); 314 exit(EXIT_FAILURE); 315 } 316 317 void 318 badarg(const char *param) 319 { 320 321 fprintf(stderr, "parameter '%s' needs argument\n", param); 322 exit(EXIT_FAILURE); 323 } 324 325 void 326 usage(void) 327 { 328 329 fprintf(stderr, "usage: %s [-svz] [device [parameters]]\n", getprogname()); 330 fprintf(stderr, " %s -l\n", getprogname()); 331 exit(EXIT_FAILURE); 332 } 333 334 /* 335 * pretty printing feature 336 */ 337 void 338 tag(const char *f) 339 { 340 341 if (f == NULL) { 342 if (width > 0) 343 printf("\n"); 344 345 width = 0; 346 } else { 347 width += printf("%*s%s", 348 (width == 0 ? (lflag ? 0 : 8) : 1), 349 "", f); 350 351 if (width > MAX_WIDTH) { 352 printf("\n"); 353 width = 0; 354 } 355 } 356 } 357 358 /* 359 * basic HCI cmd request function with argument return. 360 * 361 * Normally, this will return on COMMAND_STATUS or COMMAND_COMPLETE for the given 362 * opcode, but if event is given then it will ignore COMMAND_STATUS (unless error) 363 * and wait for the specified event. 364 * 365 * if rbuf/rlen is given, results will be copied into the result buffer for 366 * COMMAND_COMPLETE/event responses. 367 */ 368 void 369 hci_req(uint16_t opcode, uint8_t event, void *cbuf, size_t clen, void *rbuf, size_t rlen) 370 { 371 uint8_t msg[sizeof(hci_cmd_hdr_t) + HCI_CMD_PKT_SIZE]; 372 hci_event_hdr_t *ep; 373 hci_cmd_hdr_t *cp; 374 375 cp = (hci_cmd_hdr_t *)msg; 376 cp->type = HCI_CMD_PKT; 377 cp->opcode = opcode = htole16(opcode); 378 cp->length = clen = MIN(clen, sizeof(msg) - sizeof(hci_cmd_hdr_t)); 379 380 if (clen) memcpy((cp + 1), cbuf, clen); 381 382 if (send(hci, msg, sizeof(hci_cmd_hdr_t) + clen, 0) < 0) 383 err(EXIT_FAILURE, "HCI Send"); 384 385 ep = (hci_event_hdr_t *)msg; 386 for(;;) { 387 if (recv(hci, msg, sizeof(msg), 0) < 0) { 388 if (errno == EAGAIN || errno == EINTR) 389 continue; 390 391 err(EXIT_FAILURE, "HCI Recv"); 392 } 393 394 if (ep->event == HCI_EVENT_COMMAND_STATUS) { 395 hci_command_status_ep *cs; 396 397 cs = (hci_command_status_ep *)(ep + 1); 398 if (cs->opcode != opcode) 399 continue; 400 401 if (cs->status) 402 errx(EXIT_FAILURE, 403 "HCI cmd (%4.4x) failed (status %d)", 404 opcode, cs->status); 405 406 if (event == 0) 407 break; 408 409 continue; 410 } 411 412 if (ep->event == HCI_EVENT_COMMAND_COMPL) { 413 hci_command_compl_ep *cc; 414 uint8_t *ptr; 415 416 cc = (hci_command_compl_ep *)(ep + 1); 417 if (cc->opcode != opcode) 418 continue; 419 420 if (rbuf == NULL) 421 break; 422 423 ptr = (uint8_t *)(cc + 1); 424 if (*ptr) 425 errx(EXIT_FAILURE, 426 "HCI cmd (%4.4x) failed (status %d)", 427 opcode, *ptr); 428 429 memcpy(rbuf, ++ptr, rlen); 430 break; 431 } 432 433 if (ep->event == event) { 434 if (rbuf == NULL) 435 break; 436 437 memcpy(rbuf, (ep + 1), rlen); 438 break; 439 } 440 } 441 } 442 443 int 444 set_unit(unsigned long cmd) 445 { 446 447 if (ioctl(hci, cmd, &btr) == -1) 448 return -1; 449 450 if (btr.btr_flags & BTF_UP) { 451 struct sockaddr_bt sa; 452 453 sa.bt_len = sizeof(sa); 454 sa.bt_family = AF_BLUETOOTH; 455 bdaddr_copy(&sa.bt_bdaddr, &btr.btr_bdaddr); 456 457 if (bind(hci, (struct sockaddr *)&sa, sizeof(sa)) < 0) 458 err(EXIT_FAILURE, "bind"); 459 460 if (connect(hci, (struct sockaddr *)&sa, sizeof(sa)) < 0) 461 err(EXIT_FAILURE, "connect"); 462 } 463 464 return 0; 465 } 466 467 /* 468 * apply configuration parameters to unit 469 */ 470 void 471 config_unit(void) 472 { 473 474 if (opt_enable) { 475 if (opt_enable > 0) 476 btr.btr_flags |= BTF_UP; 477 else 478 btr.btr_flags &= ~BTF_UP; 479 480 if (ioctl(hci, SIOCSBTFLAGS, &btr) < 0) 481 err(EXIT_FAILURE, "SIOCSBTFLAGS"); 482 483 if (set_unit(SIOCGBTINFO) < 0) 484 err(EXIT_FAILURE, "%s", btr.btr_name); 485 } 486 487 if (opt_reset) { 488 hci_cmd(HCI_CMD_RESET, NULL, 0); 489 490 btr.btr_flags |= BTF_INIT; 491 if (ioctl(hci, SIOCSBTFLAGS, &btr) < 0) 492 err(EXIT_FAILURE, "SIOCSBTFLAGS"); 493 494 /* 495 * although the reset command will automatically 496 * carry out these commands, we do them manually 497 * just so we can wait for completion. 498 */ 499 hci_cmd(HCI_CMD_READ_BDADDR, NULL, 0); 500 hci_cmd(HCI_CMD_READ_BUFFER_SIZE, NULL, 0); 501 hci_cmd(HCI_CMD_READ_LOCAL_FEATURES, NULL, 0); 502 503 if (set_unit(SIOCGBTINFO) < 0) 504 err(EXIT_FAILURE, "%s", btr.btr_name); 505 } 506 507 if (opt_switch || opt_hold || opt_sniff || opt_park) { 508 uint16_t val = btr.btr_link_policy; 509 510 if (opt_switch > 0) val |= HCI_LINK_POLICY_ENABLE_ROLE_SWITCH; 511 if (opt_switch < 0) val &= ~HCI_LINK_POLICY_ENABLE_ROLE_SWITCH; 512 if (opt_hold > 0) val |= HCI_LINK_POLICY_ENABLE_HOLD_MODE; 513 if (opt_hold < 0) val &= ~HCI_LINK_POLICY_ENABLE_HOLD_MODE; 514 if (opt_sniff > 0) val |= HCI_LINK_POLICY_ENABLE_SNIFF_MODE; 515 if (opt_sniff < 0) val &= ~HCI_LINK_POLICY_ENABLE_SNIFF_MODE; 516 if (opt_park > 0) val |= HCI_LINK_POLICY_ENABLE_PARK_MODE; 517 if (opt_park < 0) val &= ~HCI_LINK_POLICY_ENABLE_PARK_MODE; 518 519 btr.btr_link_policy = val; 520 if (ioctl(hci, SIOCSBTPOLICY, &btr) < 0) 521 err(EXIT_FAILURE, "SIOCSBTPOLICY"); 522 } 523 524 if (opt_ptype) { 525 btr.btr_packet_type = ptype; 526 if (ioctl(hci, SIOCSBTPTYPE, &btr) < 0) 527 err(EXIT_FAILURE, "SIOCSBTPTYPE"); 528 } 529 530 if (opt_pscan || opt_iscan) { 531 uint8_t val; 532 533 load_value(HCI_CMD_READ_SCAN_ENABLE, &val, sizeof(val)); 534 if (opt_pscan > 0) val |= HCI_PAGE_SCAN_ENABLE; 535 if (opt_pscan < 0) val &= ~HCI_PAGE_SCAN_ENABLE; 536 if (opt_iscan > 0) val |= HCI_INQUIRY_SCAN_ENABLE; 537 if (opt_iscan < 0) val &= ~HCI_INQUIRY_SCAN_ENABLE; 538 save_value(HCI_CMD_WRITE_SCAN_ENABLE, &val, sizeof(val)); 539 } 540 541 if (opt_auth) { 542 uint8_t val = (opt_auth > 0 ? 1 : 0); 543 544 save_value(HCI_CMD_WRITE_AUTH_ENABLE, &val, sizeof(val)); 545 } 546 547 if (opt_encrypt) { 548 uint8_t val = (opt_encrypt > 0 ? 1 : 0); 549 550 save_value(HCI_CMD_WRITE_ENCRYPTION_MODE, &val, sizeof(val)); 551 } 552 553 if (opt_name) 554 save_value(HCI_CMD_WRITE_LOCAL_NAME, name, HCI_UNIT_NAME_SIZE); 555 556 if (opt_class) { 557 uint8_t val[HCI_CLASS_SIZE]; 558 559 val[0] = (class >> 0) & 0xff; 560 val[1] = (class >> 8) & 0xff; 561 val[2] = (class >> 16) & 0xff; 562 563 save_value(HCI_CMD_WRITE_UNIT_CLASS, val, HCI_CLASS_SIZE); 564 } 565 566 if (opt_pin) { 567 uint8_t val; 568 569 if (opt_pin > 0) val = 1; 570 else val = 0; 571 572 save_value(HCI_CMD_WRITE_PIN_TYPE, &val, sizeof(val)); 573 } 574 575 if (opt_voice) { 576 uint16_t val; 577 578 val = htole16(voice & 0x03ff); 579 save_value(HCI_CMD_WRITE_VOICE_SETTING, &val, sizeof(val)); 580 } 581 582 if (opt_pto) { 583 uint16_t val; 584 585 val = htole16(pto * 8 / 5); 586 save_value(HCI_CMD_WRITE_PAGE_TIMEOUT, &val, sizeof(val)); 587 } 588 589 if (opt_scomtu) { 590 if (scomtu > 0xff) { 591 warnx("Invalid SCO mtu %d", scomtu); 592 } else { 593 btr.btr_sco_mtu = scomtu; 594 595 if (ioctl(hci, SIOCSBTSCOMTU, &btr) < 0) 596 warn("SIOCSBTSCOMTU"); 597 } 598 } 599 600 if (opt_rssi) { 601 uint8_t val = (opt_rssi > 0 ? 1 : 0); 602 603 save_value(HCI_CMD_WRITE_INQUIRY_MODE, &val, sizeof(val)); 604 } 605 } 606 607 /* 608 * Print info for Bluetooth Device with varying verbosity levels 609 */ 610 void 611 print_info(int level) 612 { 613 uint8_t val, buf[MAX_STR_SIZE]; 614 uint16_t val16; 615 616 if (lflag) { 617 tag(btr.btr_name); 618 return; 619 } 620 621 if (level-- < 1) 622 return; 623 624 snprintb((char *)buf, MAX_STR_SIZE, FLAGS_FMT, btr.btr_flags); 625 626 printf("%s: bdaddr %s flags %s\n", btr.btr_name, 627 bt_ntoa(&btr.btr_bdaddr, NULL), buf); 628 629 if (level-- < 1) 630 return; 631 632 printf("\tnum_cmd = %d\n" 633 "\tnum_acl = %d, acl_mtu = %d\n" 634 "\tnum_sco = %d, sco_mtu = %d\n", 635 btr.btr_num_cmd, 636 btr.btr_num_acl, btr.btr_acl_mtu, 637 btr.btr_num_sco, btr.btr_sco_mtu); 638 639 if (level-- < 1 || (btr.btr_flags & BTF_UP) == 0) 640 return; 641 642 load_value(HCI_CMD_READ_UNIT_CLASS, buf, HCI_CLASS_SIZE); 643 class = (buf[2] << 16) | (buf[1] << 8) | (buf[0]); 644 print_class("\t"); 645 646 load_value(HCI_CMD_READ_LOCAL_NAME, buf, HCI_UNIT_NAME_SIZE); 647 printf("\tname: \"%s\"\n", buf); 648 649 load_value(HCI_CMD_READ_VOICE_SETTING, buf, sizeof(uint16_t)); 650 voice = (buf[1] << 8) | buf[0]; 651 print_voice(level); 652 653 load_value(HCI_CMD_READ_PIN_TYPE, &val, sizeof(val)); 654 printf("\tpin: %s\n", val ? "fixed" : "variable"); 655 656 width = printf("\toptions:"); 657 658 load_value(HCI_CMD_READ_SCAN_ENABLE, &val, sizeof(val)); 659 if (val & HCI_INQUIRY_SCAN_ENABLE) tag("iscan"); 660 else if (level > 0) tag("-iscan"); 661 662 if (val & HCI_PAGE_SCAN_ENABLE) tag("pscan"); 663 else if (level > 0) tag("-pscan"); 664 665 load_value(HCI_CMD_READ_AUTH_ENABLE, &val, sizeof(val)); 666 if (val) tag("auth"); 667 else if (level > 0) tag("-auth"); 668 669 load_value(HCI_CMD_READ_ENCRYPTION_MODE, &val, sizeof(val)); 670 if (val) tag("encrypt"); 671 else if (level > 0) tag("-encrypt"); 672 673 val = btr.btr_link_policy; 674 if (val & HCI_LINK_POLICY_ENABLE_ROLE_SWITCH) tag("switch"); 675 else if (level > 0) tag("-switch"); 676 if (val & HCI_LINK_POLICY_ENABLE_HOLD_MODE) tag("hold"); 677 else if (level > 0) tag("-hold"); 678 if (val & HCI_LINK_POLICY_ENABLE_SNIFF_MODE) tag("sniff"); 679 else if (level > 0) tag("-sniff"); 680 if (val & HCI_LINK_POLICY_ENABLE_PARK_MODE) tag("park"); 681 else if (level > 0) tag("-park"); 682 683 load_value(HCI_CMD_READ_INQUIRY_MODE, &val, sizeof(val)); 684 if (val) tag("rssi"); 685 else if (level > 0) tag("-rssi"); 686 687 tag(NULL); 688 689 if (level-- < 1) 690 return; 691 692 ptype = btr.btr_packet_type; 693 width = printf("\tptype: [0x%04x]", ptype); 694 if (ptype & HCI_PKT_DM1) tag("DM1"); 695 if (ptype & HCI_PKT_DH1) tag("DH1"); 696 if (ptype & HCI_PKT_DM3) tag("DM3"); 697 if (ptype & HCI_PKT_DH3) tag("DH3"); 698 if (ptype & HCI_PKT_DM5) tag("DM5"); 699 if (ptype & HCI_PKT_DH5) tag("DH5"); 700 if ((ptype & HCI_PKT_2MBPS_DH1) == 0) tag("2-DH1"); 701 if ((ptype & HCI_PKT_3MBPS_DH1) == 0) tag("3-DH1"); 702 if ((ptype & HCI_PKT_2MBPS_DH3) == 0) tag("2-DH3"); 703 if ((ptype & HCI_PKT_3MBPS_DH3) == 0) tag("3-DH3"); 704 if ((ptype & HCI_PKT_2MBPS_DH5) == 0) tag("2-DH5"); 705 if ((ptype & HCI_PKT_3MBPS_DH5) == 0) tag("3-DH5"); 706 tag(NULL); 707 708 load_value(HCI_CMD_READ_PAGE_TIMEOUT, &val16, sizeof(val16)); 709 printf("\tpage timeout: %d ms\n", val16 * 5 / 8); 710 711 if (level-- < 1) 712 return; 713 714 load_value(HCI_CMD_READ_LOCAL_FEATURES, buf, HCI_FEATURES_SIZE); 715 print_features("\tfeatures:", buf); 716 } 717 718 void 719 print_stats(void) 720 { 721 722 if (sflag == 0) 723 return; 724 725 if (sflag == 1) { 726 if (ioctl(hci, SIOCGBTSTATS, &btr) < 0) 727 err(EXIT_FAILURE, "SIOCGBTSTATS"); 728 } else { 729 if (ioctl(hci, SIOCZBTSTATS, &btr) < 0) 730 err(EXIT_FAILURE, "SIOCZBTSTATS"); 731 } 732 733 printf( "\tTotal bytes sent %d, recieved %d\n" 734 "\tCommands sent %d, Events received %d\n" 735 "\tACL data packets sent %d, received %d\n" 736 "\tSCO data packets sent %d, received %d\n" 737 "\tInput errors %d, Output errors %d\n", 738 btr.btr_stats.byte_tx, btr.btr_stats.byte_rx, 739 btr.btr_stats.cmd_tx, btr.btr_stats.evt_rx, 740 btr.btr_stats.acl_tx, btr.btr_stats.acl_rx, 741 btr.btr_stats.sco_tx, btr.btr_stats.sco_rx, 742 btr.btr_stats.err_rx, btr.btr_stats.err_tx); 743 } 744 745 void 746 print_features(const char *str, uint8_t *f) 747 { 748 749 width = printf("%s", str); 750 751 /* ------------------- byte 0 --------------------*/ 752 if (*f & HCI_LMP_3SLOT) tag("<3 slot>"); 753 if (*f & HCI_LMP_5SLOT) tag("<5 slot>"); 754 if (*f & HCI_LMP_ENCRYPTION) tag("<encryption>"); 755 if (*f & HCI_LMP_SLOT_OFFSET) tag("<slot offset>"); 756 if (*f & HCI_LMP_TIMIACCURACY) tag("<timing accuracy>"); 757 if (*f & HCI_LMP_ROLE_SWITCH) tag("<role switch>"); 758 if (*f & HCI_LMP_HOLD_MODE) tag("<hold mode>"); 759 if (*f & HCI_LMP_SNIFF_MODE) tag("<sniff mode>"); 760 f++; 761 762 /* ------------------- byte 1 --------------------*/ 763 if (*f & HCI_LMP_PARK_MODE) tag("<park mode>"); 764 if (*f & HCI_LMP_RSSI) tag("<RSSI>"); 765 if (*f & HCI_LMP_CHANNEL_QUALITY) tag("<channel quality>"); 766 if (*f & HCI_LMP_SCO_LINK) tag("<SCO link>"); 767 if (*f & HCI_LMP_HV2_PKT) tag("<HV2>"); 768 if (*f & HCI_LMP_HV3_PKT) tag("<HV3>"); 769 if (*f & HCI_LMP_ULAW_LOG) tag("<u-Law log>"); 770 if (*f & HCI_LMP_ALAW_LOG) tag("<A-Law log>"); 771 f++; 772 773 /* ------------------- byte 1 --------------------*/ 774 if (*f & HCI_LMP_CVSD) tag("<CVSD data>"); 775 if (*f & HCI_LMP_PAGISCHEME) tag("<paging parameter>"); 776 if (*f & HCI_LMP_POWER_CONTROL) tag("<power control>"); 777 if (*f & HCI_LMP_TRANSPARENT_SCO) tag("<transparent SCO>"); 778 if (*f & HCI_LMP_FLOW_CONTROL_LAG0) tag("<flow control lag 0>"); 779 if (*f & HCI_LMP_FLOW_CONTROL_LAG1) tag("<flow control lag 1>"); 780 if (*f & HCI_LMP_FLOW_CONTROL_LAG2) tag("<flow control lag 2>"); 781 if (*f & HCI_LMP_BC_ENCRYPTION) tag("<broadcast encryption>"); 782 f++; 783 784 /* ------------------- byte 3 --------------------*/ 785 if (*f & HCI_LMP_EDR_ACL_2MBPS) tag("<EDR ACL 2Mbps>"); 786 if (*f & HCI_LMP_EDR_ACL_3MBPS) tag("<EDR ACL 3Mbps>"); 787 if (*f & HCI_LMP_ENHANCED_ISCAN) tag("<enhanced inquiry scan>"); 788 if (*f & HCI_LMP_INTERLACED_ISCAN) tag("<interlaced inquiry scan>"); 789 if (*f & HCI_LMP_INTERLACED_PSCAN) tag("<interlaced page scan>"); 790 if (*f & HCI_LMP_RSSI_INQUIRY) tag("<RSSI with inquiry result>"); 791 if (*f & HCI_LMP_EV3_PKT) tag("<EV3 packets>"); 792 f++; 793 794 /* ------------------- byte 4 --------------------*/ 795 if (*f & HCI_LMP_EV4_PKT) tag("<EV4 packets>"); 796 if (*f & HCI_LMP_EV5_PKT) tag("<EV5 packets>"); 797 if (*f & HCI_LMP_AFH_CAPABLE_SLAVE) tag("<AFH capable slave>"); 798 if (*f & HCI_LMP_AFH_CLASS_SLAVE) tag("<AFH class slave>"); 799 if (*f & HCI_LMP_3SLOT_EDR_ACL) tag("<3 slot EDR ACL>"); 800 f++; 801 802 /* ------------------- byte 5 --------------------*/ 803 if (*f & HCI_LMP_5SLOT_EDR_ACL) tag("<5 slot EDR ACL>"); 804 if (*f & HCI_LMP_AFH_CAPABLE_MASTER)tag("<AFH capable master>"); 805 if (*f & HCI_LMP_AFH_CLASS_MASTER) tag("<AFH class master>"); 806 if (*f & HCI_LMP_EDR_eSCO_2MBPS) tag("<EDR eSCO 2Mbps>"); 807 if (*f & HCI_LMP_EDR_eSCO_3MBPS) tag("<EDR eSCO 3Mbps>"); 808 if (*f & HCI_LMP_3SLOT_EDR_eSCO) tag("<3 slot EDR eSCO>"); 809 f++; 810 811 /* ------------------- byte 6 --------------------*/ 812 f++; 813 814 /* ------------------- byte 7 --------------------*/ 815 if (*f & HCI_LMP_EXTENDED_FEATURES) tag("<extended features>"); 816 817 tag(NULL); 818 } 819 820 void 821 print_class(const char *str) 822 { 823 int major, minor; 824 825 major = (class & 0x1f00) >> 8; 826 minor = (class & 0x00fc) >> 2; 827 828 width = printf("%sclass: [0x%6.6x]", str, class); 829 830 switch (major) { 831 case 1: /* Computer */ 832 switch (minor) { 833 case 1: tag("Desktop"); break; 834 case 2: tag("Server"); break; 835 case 3: tag("Laptop"); break; 836 case 4: tag("Handheld"); break; 837 case 5: tag("Palm Sized"); break; 838 case 6: tag("Wearable"); break; 839 } 840 tag("Computer"); 841 break; 842 843 case 2: /* Phone */ 844 switch (minor) { 845 case 1: tag("Cellular Phone"); break; 846 case 2: tag("Cordless Phone"); break; 847 case 3: tag("Smart Phone"); break; 848 case 4: tag("Wired Modem/Phone Gateway"); break; 849 case 5: tag("Common ISDN"); break; 850 default:tag("Phone"); break; 851 } 852 break; 853 854 case 3: /* LAN */ 855 tag("LAN"); 856 switch ((minor & 0x38) >> 3) { 857 case 0: tag("[Fully available]"); break; 858 case 1: tag("[1-17% utilised]"); break; 859 case 2: tag("[17-33% utilised]"); break; 860 case 3: tag("[33-50% utilised]"); break; 861 case 4: tag("[50-67% utilised]"); break; 862 case 5: tag("[67-83% utilised]"); break; 863 case 6: tag("[83-99% utilised]"); break; 864 case 7: tag("[No service available]"); break; 865 } 866 break; 867 868 case 4: /* Audio/Visual */ 869 switch (minor) { 870 case 1: tag("Wearable Headset"); break; 871 case 2: tag("Hands-free Audio"); break; 872 case 4: tag("Microphone"); break; 873 case 5: tag("Loudspeaker"); break; 874 case 6: tag("Headphones"); break; 875 case 7: tag("Portable Audio"); break; 876 case 8: tag("Car Audio"); break; 877 case 9: tag("Set-top Box"); break; 878 case 10: tag("HiFi Audio"); break; 879 case 11: tag("VCR"); break; 880 case 12: tag("Video Camera"); break; 881 case 13: tag("Camcorder"); break; 882 case 14: tag("Video Monitor"); break; 883 case 15: tag("Video Display and Loudspeaker"); break; 884 case 16: tag("Video Conferencing"); break; 885 case 18: tag("A/V [Gaming/Toy]"); break; 886 default: tag("Audio/Visual"); break; 887 } 888 break; 889 890 case 5: /* Peripheral */ 891 switch (minor & 0x0f) { 892 case 1: tag("Joystick"); break; 893 case 2: tag("Gamepad"); break; 894 case 3: tag("Remote Control"); break; 895 case 4: tag("Sensing Device"); break; 896 case 5: tag("Digitiser Tablet"); break; 897 case 6: tag("Card Reader"); break; 898 default: tag("Peripheral"); break; 899 } 900 901 if (minor & 0x10) tag("Keyboard"); 902 if (minor & 0x20) tag("Mouse"); 903 break; 904 905 case 6: /* Imaging */ 906 if (minor & 0x20) tag("Printer"); 907 if (minor & 0x10) tag("Scanner"); 908 if (minor & 0x08) tag("Camera"); 909 if (minor & 0x04) tag("Display"); 910 if ((minor & 0x3c) == 0) tag("Imaging"); 911 break; 912 913 case 7: /* Wearable */ 914 switch (minor) { 915 case 1: tag("Wrist Watch"); break; 916 case 2: tag("Pager"); break; 917 case 3: tag("Jacket"); break; 918 case 4: tag("Helmet"); break; 919 case 5: tag("Glasses"); break; 920 default: tag("Wearable"); break; 921 } 922 break; 923 924 case 8: /* Toy */ 925 switch (minor) { 926 case 1: tag("Robot"); break; 927 case 2: tag("Vehicle"); break; 928 case 3: tag("Doll / Action Figure"); break; 929 case 4: tag("Controller"); break; 930 case 5: tag("Game"); break; 931 default: tag("Toy"); break; 932 } 933 break; 934 935 default: 936 break; 937 } 938 939 if (class & 0x002000) tag("<Limited Discoverable>"); 940 if (class & 0x010000) tag("<Positioning>"); 941 if (class & 0x020000) tag("<Networking>"); 942 if (class & 0x040000) tag("<Rendering>"); 943 if (class & 0x080000) tag("<Capturing>"); 944 if (class & 0x100000) tag("<Object Transfer>"); 945 if (class & 0x200000) tag("<Audio>"); 946 if (class & 0x400000) tag("<Telephony>"); 947 if (class & 0x800000) tag("<Information>"); 948 tag(NULL); 949 } 950 951 void 952 print_voice(int level) 953 { 954 printf("\tvoice: [0x%4.4x]\n", voice); 955 956 if (level == 0) 957 return; 958 959 printf("\t\tInput Coding: "); 960 switch ((voice & 0x0300) >> 8) { 961 case 0x00: printf("Linear PCM [%d-bit, pos %d]", 962 (voice & 0x0020 ? 16 : 8), 963 (voice & 0x001c) >> 2); break; 964 case 0x01: printf("u-Law"); break; 965 case 0x02: printf("A-Law"); break; 966 case 0x03: printf("unknown"); break; 967 } 968 969 switch ((voice & 0x00c0) >> 6) { 970 case 0x00: printf(", 1's complement"); break; 971 case 0x01: printf(", 2's complement"); break; 972 case 0x02: printf(", sign magnitude"); break; 973 case 0x03: printf(", unsigned"); break; 974 } 975 976 printf("\n\t\tAir Coding: "); 977 switch (voice & 0x0003) { 978 case 0x00: printf("CVSD"); break; 979 case 0x01: printf("u-Law"); break; 980 case 0x02: printf("A-Law"); break; 981 case 0x03: printf("Transparent"); break; 982 } 983 984 printf("\n"); 985 } 986 987 void 988 print_result(int num, struct result *r, int rssi) 989 { 990 hci_remote_name_req_cp ncp; 991 hci_remote_name_req_compl_ep nep; 992 #if 0 993 hci_read_remote_features_cp fcp; 994 hci_read_remote_features_compl_ep fep; 995 #endif 996 struct hostent *hp; 997 998 printf("%3d: bdaddr %s", 999 num, 1000 bt_ntoa(&r->bdaddr, NULL)); 1001 1002 hp = bt_gethostbyaddr((const char *)&r->bdaddr, sizeof(bdaddr_t), AF_BLUETOOTH); 1003 if (hp != NULL) 1004 printf(" (%s)", hp->h_name); 1005 1006 printf("\n"); 1007 1008 memset(&ncp, 0, sizeof(ncp)); 1009 bdaddr_copy(&ncp.bdaddr, &r->bdaddr); 1010 ncp.page_scan_rep_mode = r->page_scan_rep_mode; 1011 ncp.clock_offset = r->clock_offset; 1012 1013 hci_req(HCI_CMD_REMOTE_NAME_REQ, 1014 HCI_EVENT_REMOTE_NAME_REQ_COMPL, 1015 &ncp, sizeof(ncp), 1016 &nep, sizeof(nep)); 1017 1018 printf(" : name \"%s\"\n", nep.name); 1019 1020 class = (r->uclass[2] << 16) | (r->uclass[1] << 8) | (r->uclass[0]); 1021 print_class(" : "); 1022 1023 #if 0 1024 hci_req(HCI_CMD_READ_REMOTE_FEATURES, 1025 HCI_EVENT_READ_REMOTE_FEATURES_COMPL, 1026 &fcp, sizeof(fcp), 1027 &fep, sizeof(fep)); 1028 1029 print_features(" : features", fep.features); 1030 #endif 1031 1032 printf(" : page scan rep mode 0x%02x\n", r->page_scan_rep_mode); 1033 printf(" : clock offset %d\n", le16toh(r->clock_offset)); 1034 1035 if (rssi) 1036 printf(" : rssi %d\n", r->rssi); 1037 1038 printf("\n"); 1039 } 1040 1041 void 1042 do_inquiry(void) 1043 { 1044 uint8_t buf[HCI_EVENT_PKT_SIZE]; 1045 struct result result[INQUIRY_MAX_RESPONSES]; 1046 hci_inquiry_cp inq; 1047 struct hci_filter f; 1048 hci_event_hdr_t *hh; 1049 int i, j, num, rssi; 1050 1051 if (opt_inquiry == 0) 1052 return; 1053 1054 printf("Device Discovery from device: %s ...", btr.btr_name); 1055 fflush(stdout); 1056 1057 memset(&f, 0, sizeof(f)); 1058 hci_filter_set(HCI_EVENT_COMMAND_STATUS, &f); 1059 hci_filter_set(HCI_EVENT_COMMAND_COMPL, &f); 1060 hci_filter_set(HCI_EVENT_INQUIRY_RESULT, &f); 1061 hci_filter_set(HCI_EVENT_RSSI_RESULT, &f); 1062 hci_filter_set(HCI_EVENT_INQUIRY_COMPL, &f); 1063 hci_filter_set(HCI_EVENT_REMOTE_NAME_REQ_COMPL, &f); 1064 hci_filter_set(HCI_EVENT_READ_REMOTE_FEATURES_COMPL, &f); 1065 if (setsockopt(hci, BTPROTO_HCI, SO_HCI_EVT_FILTER, &f, sizeof(f)) < 0) 1066 err(EXIT_FAILURE, "Can't set event filter"); 1067 1068 /* General Inquiry LAP is 0x9e8b33 */ 1069 inq.lap[0] = 0x33; 1070 inq.lap[1] = 0x8b; 1071 inq.lap[2] = 0x9e; 1072 inq.inquiry_length = INQUIRY_LENGTH; 1073 inq.num_responses = INQUIRY_MAX_RESPONSES; 1074 1075 hci_cmd(HCI_CMD_INQUIRY, &inq, sizeof(inq)); 1076 1077 num = 0; 1078 rssi = 0; 1079 hh = (hci_event_hdr_t *)buf; 1080 1081 for (;;) { 1082 if (recv(hci, buf, sizeof(buf), 0) <= 0) 1083 err(EXIT_FAILURE, "recv"); 1084 1085 if (hh->event == HCI_EVENT_INQUIRY_COMPL) 1086 break; 1087 1088 if (hh->event == HCI_EVENT_INQUIRY_RESULT) { 1089 hci_inquiry_result_ep *ep = (hci_inquiry_result_ep *)(hh + 1); 1090 hci_inquiry_response *ir = (hci_inquiry_response *)(ep + 1); 1091 1092 for (i = 0 ; i < ep->num_responses ; i++) { 1093 if (num == INQUIRY_MAX_RESPONSES) 1094 break; 1095 1096 /* some devices keep responding, ignore dupes */ 1097 for (j = 0 ; j < num ; j++) 1098 if (bdaddr_same(&result[j].bdaddr, &ir[i].bdaddr)) 1099 break; 1100 1101 if (j < num) 1102 continue; 1103 1104 bdaddr_copy(&result[num].bdaddr, &ir[i].bdaddr); 1105 memcpy(&result[num].uclass, &ir[i].uclass, HCI_CLASS_SIZE); 1106 result[num].page_scan_rep_mode = ir[i].page_scan_rep_mode; 1107 result[num].clock_offset = ir[i].clock_offset; 1108 result[num].rssi = 0; 1109 num++; 1110 printf("."); 1111 fflush(stdout); 1112 } 1113 continue; 1114 } 1115 1116 if (hh->event == HCI_EVENT_RSSI_RESULT) { 1117 hci_rssi_result_ep *ep = (hci_rssi_result_ep *)(hh + 1); 1118 hci_rssi_response *rr = (hci_rssi_response *)(ep + 1); 1119 1120 for (i = 0 ; i < ep->num_responses ; i++) { 1121 if (num == INQUIRY_MAX_RESPONSES) 1122 break; 1123 1124 /* some devices keep responding, ignore dupes */ 1125 for (j = 0 ; j < num ; j++) 1126 if (bdaddr_same(&result[j].bdaddr, &rr[i].bdaddr)) 1127 break; 1128 1129 if (j < num) 1130 continue; 1131 1132 bdaddr_copy(&result[num].bdaddr, &rr[i].bdaddr); 1133 memcpy(&result[num].uclass, &rr[i].uclass, HCI_CLASS_SIZE); 1134 result[num].page_scan_rep_mode = rr[i].page_scan_rep_mode; 1135 result[num].clock_offset = rr[i].clock_offset; 1136 result[num].rssi = rr[i].rssi; 1137 rssi = 1; 1138 num++; 1139 printf("."); 1140 fflush(stdout); 1141 } 1142 continue; 1143 } 1144 } 1145 1146 printf(" %d response%s\n", num, (num == 1 ? "" : "s")); 1147 1148 for (i = 0 ; i < num ; i++) 1149 print_result(i + 1, &result[i], rssi); 1150 } 1151
Indexes created Sun Sep 28 07:09:56 GMT 2025