1 /****************************************************************************** 2 * 3 * Copyright (C) 1999-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 /****************************************************************************** 20 * 21 * This file contains functions for the Bluetooth Device Manager 22 * 23 ******************************************************************************/ 24 25 #include <stdlib.h> 26 #include <string.h> 27 #include <stdio.h> 28 #include <stddef.h> 29 30 #include "bt_types.h" 31 #include "device/include/controller.h" 32 #include "gki.h" 33 #include "hcimsgs.h" 34 #include "btu.h" 35 #include "btm_api.h" 36 #include "btm_int.h" 37 #include "hcidefs.h" 38 #include "l2c_api.h" 39 40 static tBTM_SEC_DEV_REC *btm_find_oldest_dev (void); 41 42 /******************************************************************************* 43 ** 44 ** Function BTM_SecAddDevice 45 ** 46 ** Description Add/modify device. This function will be normally called 47 ** during host startup to restore all required information 48 ** stored in the NVRAM. 49 ** 50 ** Parameters: bd_addr - BD address of the peer 51 ** dev_class - Device Class 52 ** bd_name - Name of the peer device. NULL if unknown. 53 ** features - Remote device's features (up to 3 pages). NULL if not known 54 ** trusted_mask - Bitwise OR of services that do not 55 ** require authorization. (array of UINT32) 56 ** link_key - Connection link key. NULL if unknown. 57 ** 58 ** Returns TRUE if added OK, else FALSE 59 ** 60 *******************************************************************************/ 61 BOOLEAN BTM_SecAddDevice (BD_ADDR bd_addr, DEV_CLASS dev_class, BD_NAME bd_name, 62 UINT8 *features, UINT32 trusted_mask[], 63 LINK_KEY link_key, UINT8 key_type, tBTM_IO_CAP io_cap, 64 UINT8 pin_length) 65 { 66 tBTM_SEC_DEV_REC *p_dev_rec; 67 int i, j; 68 BOOLEAN found = FALSE; 69 70 BTM_TRACE_API("%s, link key type:%x", __FUNCTION__,key_type); 71 p_dev_rec = btm_find_dev (bd_addr); 72 if (!p_dev_rec) 73 { 74 /* There is no device record, allocate one. 75 * If we can not find an empty spot for this one, let it fail. */ 76 for (i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++) 77 { 78 if (!(btm_cb.sec_dev_rec[i].sec_flags & BTM_SEC_IN_USE)) 79 { 80 p_dev_rec = &btm_cb.sec_dev_rec[i]; 81 82 /* Mark this record as in use and initialize */ 83 memset (p_dev_rec, 0, sizeof (tBTM_SEC_DEV_REC)); 84 p_dev_rec->sec_flags = BTM_SEC_IN_USE; 85 memcpy (p_dev_rec->bd_addr, bd_addr, BD_ADDR_LEN); 86 p_dev_rec->hci_handle = BTM_GetHCIConnHandle (bd_addr, BT_TRANSPORT_BR_EDR); 87 88 #if BLE_INCLUDED == TRUE 89 /* use default value for background connection params */ 90 /* update conn params, use default value for background connection params */ 91 memset(&p_dev_rec->conn_params, 0xff, sizeof(tBTM_LE_CONN_PRAMS)); 92 #endif 93 break; 94 } 95 } 96 97 if (!p_dev_rec) 98 return(FALSE); 99 } 100 101 p_dev_rec->bond_type = BOND_TYPE_UNKNOWN; /* Default value */ 102 p_dev_rec->timestamp = btm_cb.dev_rec_count++; 103 104 if (dev_class) 105 memcpy (p_dev_rec->dev_class, dev_class, DEV_CLASS_LEN); 106 107 memset(p_dev_rec->sec_bd_name, 0, sizeof(tBTM_BD_NAME)); 108 109 if (bd_name && bd_name[0]) 110 { 111 p_dev_rec->sec_flags |= BTM_SEC_NAME_KNOWN; 112 BCM_STRNCPY_S ((char *)p_dev_rec->sec_bd_name, sizeof (p_dev_rec->sec_bd_name), 113 (char *)bd_name, BTM_MAX_REM_BD_NAME_LEN); 114 } 115 116 p_dev_rec->num_read_pages = 0; 117 if (features) 118 { 119 memcpy (p_dev_rec->features, features, sizeof (p_dev_rec->features)); 120 for (i = HCI_EXT_FEATURES_PAGE_MAX; i >= 0; i--) 121 { 122 for (j = 0; j < HCI_FEATURE_BYTES_PER_PAGE; j++) 123 { 124 if (p_dev_rec->features[i][j] != 0) 125 { 126 found = TRUE; 127 break; 128 } 129 } 130 if (found) 131 { 132 p_dev_rec->num_read_pages = i + 1; 133 break; 134 } 135 } 136 } 137 else 138 memset (p_dev_rec->features, 0, sizeof (p_dev_rec->features)); 139 140 BTM_SEC_COPY_TRUSTED_DEVICE(trusted_mask, p_dev_rec->trusted_mask); 141 142 if (link_key) 143 { 144 BTM_TRACE_EVENT ("BTM_SecAddDevice() BDA: %02x:%02x:%02x:%02x:%02x:%02x", 145 bd_addr[0], bd_addr[1], bd_addr[2], 146 bd_addr[3], bd_addr[4], bd_addr[5]); 147 p_dev_rec->sec_flags |= BTM_SEC_LINK_KEY_KNOWN; 148 memcpy (p_dev_rec->link_key, link_key, LINK_KEY_LEN); 149 p_dev_rec->link_key_type = key_type; 150 p_dev_rec->pin_code_length = pin_length; 151 152 if (pin_length >= 16 || 153 key_type == BTM_LKEY_TYPE_AUTH_COMB || 154 key_type == BTM_LKEY_TYPE_AUTH_COMB_P_256) { 155 // Set the fiag if the link key was made by using either a 16 digit 156 // pin or MITM. 157 p_dev_rec->sec_flags |= BTM_SEC_16_DIGIT_PIN_AUTHED; 158 } 159 } 160 161 #if defined(BTIF_MIXED_MODE_INCLUDED) && (BTIF_MIXED_MODE_INCLUDED == TRUE) 162 if (key_type < BTM_MAX_PRE_SM4_LKEY_TYPE) 163 p_dev_rec->sm4 = BTM_SM4_KNOWN; 164 else 165 p_dev_rec->sm4 = BTM_SM4_TRUE; 166 #endif 167 168 p_dev_rec->rmt_io_caps = io_cap; 169 p_dev_rec->device_type |= BT_DEVICE_TYPE_BREDR; 170 171 return(TRUE); 172 } 173 174 175 /******************************************************************************* 176 ** 177 ** Function BTM_SecDeleteDevice 178 ** 179 ** Description Free resources associated with the device. 180 ** 181 ** Parameters: bd_addr - BD address of the peer 182 ** 183 ** Returns TRUE if removed OK, FALSE if not found or ACL link is active 184 ** 185 *******************************************************************************/ 186 BOOLEAN BTM_SecDeleteDevice (BD_ADDR bd_addr) 187 { 188 tBTM_SEC_DEV_REC *p_dev_rec; 189 190 if (BTM_IsAclConnectionUp(bd_addr, BT_TRANSPORT_LE) || 191 BTM_IsAclConnectionUp(bd_addr, BT_TRANSPORT_BR_EDR)) 192 { 193 BTM_TRACE_WARNING("%s FAILED: Cannot Delete when connection is active", __func__); 194 return FALSE; 195 } 196 197 if ((p_dev_rec = btm_find_dev(bd_addr)) != NULL) 198 { 199 btm_sec_free_dev(p_dev_rec); 200 /* Tell controller to get rid of the link key, if it has one stored */ 201 BTM_DeleteStoredLinkKey (p_dev_rec->bd_addr, NULL); 202 } 203 204 return TRUE; 205 } 206 207 /******************************************************************************* 208 ** 209 ** Function BTM_SecReadDevName 210 ** 211 ** Description Looks for the device name in the security database for the 212 ** specified BD address. 213 ** 214 ** Returns Pointer to the name or NULL 215 ** 216 *******************************************************************************/ 217 char *BTM_SecReadDevName (BD_ADDR bd_addr) 218 { 219 char *p_name = NULL; 220 tBTM_SEC_DEV_REC *p_srec; 221 222 if ((p_srec = btm_find_dev(bd_addr)) != NULL) 223 p_name = (char *)p_srec->sec_bd_name; 224 225 return(p_name); 226 } 227 228 /******************************************************************************* 229 ** 230 ** Function btm_sec_alloc_dev 231 ** 232 ** Description Look for the record in the device database for the record 233 ** with specified address 234 ** 235 ** Returns Pointer to the record or NULL 236 ** 237 *******************************************************************************/ 238 tBTM_SEC_DEV_REC *btm_sec_alloc_dev (BD_ADDR bd_addr) 239 { 240 tBTM_SEC_DEV_REC *p_dev_rec = NULL; 241 tBTM_INQ_INFO *p_inq_info; 242 int i; 243 DEV_CLASS old_cod; 244 int i_new_entry = BTM_SEC_MAX_DEVICE_RECORDS; 245 int i_old_entry = BTM_SEC_MAX_DEVICE_RECORDS; 246 BTM_TRACE_EVENT ("btm_sec_alloc_dev"); 247 248 for (i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++) 249 { 250 /* look for old entry where device details are present */ 251 if (!(btm_cb.sec_dev_rec[i].sec_flags & BTM_SEC_IN_USE) && 252 (!memcmp (btm_cb.sec_dev_rec[i].bd_addr, bd_addr, BD_ADDR_LEN))) 253 { 254 i_old_entry = i; 255 BTM_TRACE_EVENT ("btm_sec_alloc_dev old device found"); 256 break; 257 } 258 } 259 260 for (i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++) 261 { 262 if (!(btm_cb.sec_dev_rec[i].sec_flags & BTM_SEC_IN_USE)) 263 { 264 i_new_entry = i; 265 break; 266 } 267 } 268 269 if (i_new_entry == BTM_SEC_MAX_DEVICE_RECORDS) { 270 p_dev_rec = btm_find_oldest_dev(); 271 } 272 else { 273 /* if the old device entry not present go with 274 new entry */ 275 if(i_old_entry == BTM_SEC_MAX_DEVICE_RECORDS) { 276 p_dev_rec = &btm_cb.sec_dev_rec[i_new_entry]; 277 } 278 else { 279 p_dev_rec = &btm_cb.sec_dev_rec[i_old_entry]; 280 memcpy (old_cod, p_dev_rec->dev_class, DEV_CLASS_LEN); 281 } 282 } 283 memset (p_dev_rec, 0, sizeof (tBTM_SEC_DEV_REC)); 284 285 /* Retain the old COD for device */ 286 if(i_old_entry != BTM_SEC_MAX_DEVICE_RECORDS) { 287 BTM_TRACE_EVENT ("btm_sec_alloc_dev restoring cod "); 288 memcpy (p_dev_rec->dev_class, old_cod, DEV_CLASS_LEN); 289 290 } 291 292 p_dev_rec->bond_type = BOND_TYPE_UNKNOWN; /* Default value */ 293 p_dev_rec->sec_flags = BTM_SEC_IN_USE; 294 295 /* Check with the BT manager if details about remote device are known */ 296 /* outgoing connection */ 297 if ((p_inq_info = BTM_InqDbRead(bd_addr)) != NULL) 298 { 299 memcpy (p_dev_rec->dev_class, p_inq_info->results.dev_class, DEV_CLASS_LEN); 300 301 #if BLE_INCLUDED == TRUE 302 p_dev_rec->device_type = p_inq_info->results.device_type; 303 p_dev_rec->ble.ble_addr_type = p_inq_info->results.ble_addr_type; 304 305 /* update conn params, use default value for background connection params */ 306 memset(&p_dev_rec->conn_params, 0xff, sizeof(tBTM_LE_CONN_PRAMS)); 307 #endif 308 } 309 else 310 { 311 #if BLE_INCLUDED == TRUE 312 /* update conn params, use default value for background connection params */ 313 memset(&p_dev_rec->conn_params, 0xff, sizeof(tBTM_LE_CONN_PRAMS)); 314 #endif 315 316 if (!memcmp (bd_addr, btm_cb.connecting_bda, BD_ADDR_LEN)) 317 memcpy (p_dev_rec->dev_class, btm_cb.connecting_dc, DEV_CLASS_LEN); 318 } 319 320 memcpy (p_dev_rec->bd_addr, bd_addr, BD_ADDR_LEN); 321 322 #if BLE_INCLUDED == TRUE 323 p_dev_rec->ble_hci_handle = BTM_GetHCIConnHandle (bd_addr, BT_TRANSPORT_LE); 324 #endif 325 p_dev_rec->hci_handle = BTM_GetHCIConnHandle (bd_addr, BT_TRANSPORT_BR_EDR); 326 p_dev_rec->timestamp = btm_cb.dev_rec_count++; 327 328 return(p_dev_rec); 329 } 330 331 332 /******************************************************************************* 333 ** 334 ** Function btm_sec_free_dev 335 ** 336 ** Description Mark device record as not used 337 ** 338 *******************************************************************************/ 339 void btm_sec_free_dev (tBTM_SEC_DEV_REC *p_dev_rec) 340 { 341 p_dev_rec->bond_type = BOND_TYPE_UNKNOWN; 342 p_dev_rec->sec_flags = 0; 343 344 #if BLE_INCLUDED == TRUE 345 /* Clear out any saved BLE keys */ 346 btm_sec_clear_ble_keys (p_dev_rec); 347 #endif 348 349 350 } 351 352 /******************************************************************************* 353 ** 354 ** Function btm_dev_support_switch 355 ** 356 ** Description This function is called by the L2CAP to check if remote 357 ** device supports role switch 358 ** 359 ** Parameters: bd_addr - Address of the peer device 360 ** 361 ** Returns TRUE if device is known and role switch is supported 362 ** 363 *******************************************************************************/ 364 BOOLEAN btm_dev_support_switch (BD_ADDR bd_addr) 365 { 366 tBTM_SEC_DEV_REC *p_dev_rec; 367 UINT8 xx; 368 BOOLEAN feature_empty = TRUE; 369 370 #if BTM_SCO_INCLUDED == TRUE 371 /* Role switch is not allowed if a SCO is up */ 372 if (btm_is_sco_active_by_bdaddr(bd_addr)) 373 return(FALSE); 374 #endif 375 p_dev_rec = btm_find_dev (bd_addr); 376 if (p_dev_rec && controller_get_interface()->supports_master_slave_role_switch()) 377 { 378 if (HCI_SWITCH_SUPPORTED(p_dev_rec->features[HCI_EXT_FEATURES_PAGE_0])) 379 { 380 BTM_TRACE_DEBUG("btm_dev_support_switch return TRUE (feature found)"); 381 return (TRUE); 382 } 383 384 /* If the feature field is all zero, we never received them */ 385 for (xx = 0 ; xx < BD_FEATURES_LEN ; xx++) 386 { 387 if (p_dev_rec->features[HCI_EXT_FEATURES_PAGE_0][xx] != 0x00) 388 { 389 feature_empty = FALSE; /* at least one is != 0 */ 390 break; 391 } 392 } 393 394 /* If we don't know peer's capabilities, assume it supports Role-switch */ 395 if (feature_empty) 396 { 397 BTM_TRACE_DEBUG("btm_dev_support_switch return TRUE (feature empty)"); 398 return (TRUE); 399 } 400 } 401 402 BTM_TRACE_DEBUG("btm_dev_support_switch return FALSE"); 403 return(FALSE); 404 } 405 406 /******************************************************************************* 407 ** 408 ** Function btm_find_dev_by_handle 409 ** 410 ** Description Look for the record in the device database for the record 411 ** with specified handle 412 ** 413 ** Returns Pointer to the record or NULL 414 ** 415 *******************************************************************************/ 416 tBTM_SEC_DEV_REC *btm_find_dev_by_handle (UINT16 handle) 417 { 418 tBTM_SEC_DEV_REC *p_dev_rec = &btm_cb.sec_dev_rec[0]; 419 int i; 420 421 for (i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++, p_dev_rec++) 422 { 423 if ((p_dev_rec->sec_flags & BTM_SEC_IN_USE) 424 && ((p_dev_rec->hci_handle == handle) 425 #if BLE_INCLUDED == TRUE 426 ||(p_dev_rec->ble_hci_handle == handle) 427 #endif 428 )) 429 return(p_dev_rec); 430 } 431 return(NULL); 432 } 433 434 /******************************************************************************* 435 ** 436 ** Function btm_find_dev 437 ** 438 ** Description Look for the record in the device database for the record 439 ** with specified BD address 440 ** 441 ** Returns Pointer to the record or NULL 442 ** 443 *******************************************************************************/ 444 tBTM_SEC_DEV_REC *btm_find_dev(BD_ADDR bd_addr) 445 { 446 tBTM_SEC_DEV_REC *p_dev_rec = &btm_cb.sec_dev_rec[0]; 447 448 if (bd_addr) 449 { 450 for (uint8_t i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++, p_dev_rec++) 451 { 452 if (p_dev_rec->sec_flags & BTM_SEC_IN_USE) 453 { 454 if (!memcmp (p_dev_rec->bd_addr, bd_addr, BD_ADDR_LEN)) 455 return(p_dev_rec); 456 457 #if BLE_INCLUDED == TRUE 458 // If a LE random address is looking for device record 459 if (!memcmp(p_dev_rec->ble.pseudo_addr, bd_addr, BD_ADDR_LEN)) 460 return (p_dev_rec); 461 462 if (btm_ble_addr_resolvable(bd_addr, p_dev_rec)) 463 return(p_dev_rec); 464 #endif 465 } 466 } 467 } 468 return(NULL); 469 } 470 471 /******************************************************************************* 472 ** 473 ** Function btm_consolidate_dev 474 ** 475 ** Description combine security records if identified as same peer 476 ** 477 ** Returns none 478 ** 479 *******************************************************************************/ 480 void btm_consolidate_dev(tBTM_SEC_DEV_REC *p_target_rec) 481 { 482 #if BLE_INCLUDED == TRUE 483 tBTM_SEC_DEV_REC *p_dev_rec = &btm_cb.sec_dev_rec[0]; 484 tBTM_SEC_DEV_REC temp_rec = *p_target_rec; 485 BD_ADDR dummy_bda = {0}; 486 487 BTM_TRACE_DEBUG("%s", __func__); 488 489 for (uint8_t i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++, p_dev_rec++) 490 { 491 if (p_target_rec!= p_dev_rec && p_dev_rec->sec_flags & BTM_SEC_IN_USE) 492 { 493 if (!memcmp (p_dev_rec->bd_addr, p_target_rec->bd_addr, BD_ADDR_LEN)) 494 { 495 memcpy(p_target_rec, p_dev_rec, sizeof(tBTM_SEC_DEV_REC)); 496 p_target_rec->ble = temp_rec.ble; 497 p_target_rec->ble_hci_handle = temp_rec.ble_hci_handle; 498 p_target_rec->enc_key_size = temp_rec.enc_key_size; 499 p_target_rec->conn_params = temp_rec.conn_params; 500 p_target_rec->device_type |= temp_rec.device_type; 501 p_target_rec->sec_flags |= temp_rec.sec_flags; 502 503 p_target_rec->new_encryption_key_is_p256 = temp_rec.new_encryption_key_is_p256; 504 p_target_rec->no_smp_on_br = temp_rec.no_smp_on_br; 505 p_target_rec->bond_type = temp_rec.bond_type; 506 /* mark the combined record as unused */ 507 p_dev_rec->sec_flags &= ~BTM_SEC_IN_USE; 508 p_dev_rec->bond_type = BOND_TYPE_UNKNOWN; 509 break; 510 } 511 512 /* an RPA device entry is a duplicate of the target record */ 513 if (btm_ble_addr_resolvable(p_dev_rec->bd_addr, p_target_rec)) 514 { 515 if (memcmp(p_target_rec->ble.pseudo_addr, p_dev_rec->bd_addr, BD_ADDR_LEN) == 0) 516 { 517 p_target_rec->ble.ble_addr_type = p_dev_rec->ble.ble_addr_type; 518 p_target_rec->device_type |= p_dev_rec->device_type; 519 p_dev_rec->sec_flags &= ~BTM_SEC_IN_USE; 520 p_dev_rec->bond_type = BOND_TYPE_UNKNOWN; 521 } 522 break; 523 } 524 } 525 } 526 #endif 527 } 528 529 /******************************************************************************* 530 ** 531 ** Function btm_find_or_alloc_dev 532 ** 533 ** Description Look for the record in the device database for the record 534 ** with specified BD address 535 ** 536 ** Returns Pointer to the record or NULL 537 ** 538 *******************************************************************************/ 539 tBTM_SEC_DEV_REC *btm_find_or_alloc_dev (BD_ADDR bd_addr) 540 { 541 tBTM_SEC_DEV_REC *p_dev_rec; 542 BTM_TRACE_EVENT ("btm_find_or_alloc_dev"); 543 if ((p_dev_rec = btm_find_dev (bd_addr)) == NULL) 544 { 545 546 /* Allocate a new device record or reuse the oldest one */ 547 p_dev_rec = btm_sec_alloc_dev (bd_addr); 548 } 549 return(p_dev_rec); 550 } 551 552 /******************************************************************************* 553 ** 554 ** Function btm_find_oldest_dev 555 ** 556 ** Description Locates the oldest device in use. It first looks for 557 ** the oldest non-paired device. If all devices are paired it 558 ** deletes the oldest paired device. 559 ** 560 ** Returns Pointer to the record or NULL 561 ** 562 *******************************************************************************/ 563 tBTM_SEC_DEV_REC *btm_find_oldest_dev (void) 564 { 565 tBTM_SEC_DEV_REC *p_dev_rec = &btm_cb.sec_dev_rec[0]; 566 tBTM_SEC_DEV_REC *p_oldest = p_dev_rec; 567 UINT32 ot = 0xFFFFFFFF; 568 int i; 569 570 /* First look for the non-paired devices for the oldest entry */ 571 for (i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++, p_dev_rec++) 572 { 573 if (((p_dev_rec->sec_flags & BTM_SEC_IN_USE) == 0) 574 || ((p_dev_rec->sec_flags & (BTM_SEC_LINK_KEY_KNOWN |BTM_SEC_LE_LINK_KEY_KNOWN)) != 0)) 575 continue; /* Device is paired so skip it */ 576 577 if (p_dev_rec->timestamp < ot) 578 { 579 p_oldest = p_dev_rec; 580 ot = p_dev_rec->timestamp; 581 } 582 } 583 584 if (ot != 0xFFFFFFFF) 585 return(p_oldest); 586 587 /* All devices are paired; find the oldest */ 588 p_dev_rec = &btm_cb.sec_dev_rec[0]; 589 for (i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i++, p_dev_rec++) 590 { 591 if ((p_dev_rec->sec_flags & BTM_SEC_IN_USE) == 0) 592 continue; 593 594 if (p_dev_rec->timestamp < ot) 595 { 596 p_oldest = p_dev_rec; 597 ot = p_dev_rec->timestamp; 598 } 599 } 600 return(p_oldest); 601 } 602 603 /******************************************************************************* 604 ** 605 ** Function btm_get_bond_type_dev 606 ** 607 ** Description Get the bond type for a device in the device database 608 ** with specified BD address 609 ** 610 ** Returns The device bond type if known, otherwise BOND_TYPE_UNKNOWN 611 ** 612 *******************************************************************************/ 613 tBTM_BOND_TYPE btm_get_bond_type_dev(BD_ADDR bd_addr) 614 { 615 tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev(bd_addr); 616 617 if (p_dev_rec == NULL) 618 return BOND_TYPE_UNKNOWN; 619 620 return p_dev_rec->bond_type; 621 } 622 623 /******************************************************************************* 624 ** 625 ** Function btm_set_bond_type_dev 626 ** 627 ** Description Set the bond type for a device in the device database 628 ** with specified BD address 629 ** 630 ** Returns TRUE on success, otherwise FALSE 631 ** 632 *******************************************************************************/ 633 BOOLEAN btm_set_bond_type_dev(BD_ADDR bd_addr, tBTM_BOND_TYPE bond_type) 634 { 635 tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev(bd_addr); 636 637 if (p_dev_rec == NULL) 638 return FALSE; 639 640 p_dev_rec->bond_type = bond_type; 641 return TRUE; 642 } 643