1 /****************************************************************************** 2 * 3 * Copyright (c) 2014 The Android Open Source Project 4 * Copyright (C) 2009-2012 Broadcom Corporation 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at: 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 * 18 ******************************************************************************/ 19 20 /************************************************************************************ 21 * 22 * Filename: btif_storage.c 23 * 24 * Description: Stores the local BT adapter and remote device properties in 25 * NVRAM storage, typically as xml file in the 26 * mobile's filesystem 27 * 28 * 29 */ 30 31 #define LOG_TAG "bt_btif_storage" 32 33 #include "btif_storage.h" 34 35 #include <alloca.h> 36 #include <assert.h> 37 #include <ctype.h> 38 #include <stdlib.h> 39 #include <string.h> 40 #include <time.h> 41 42 #include "bta_hh_api.h" 43 #include "btcore/include/bdaddr.h" 44 #include "btif_api.h" 45 #include "btif_config.h" 46 #include "btif_hh.h" 47 #include "btif_util.h" 48 #include "bt_common.h" 49 #include "osi/include/allocator.h" 50 #include "osi/include/compat.h" 51 #include "osi/include/config.h" 52 #include "osi/include/log.h" 53 #include "osi/include/osi.h" 54 55 /************************************************************************************ 56 ** Constants & Macros 57 ************************************************************************************/ 58 59 // TODO(armansito): Find a better way than using a hardcoded path. 60 #define BTIF_STORAGE_PATH_BLUEDROID "/data/misc/bluedroid" 61 62 //#define BTIF_STORAGE_PATH_ADAPTER_INFO "adapter_info" 63 //#define BTIF_STORAGE_PATH_REMOTE_DEVICES "remote_devices" 64 #define BTIF_STORAGE_PATH_REMOTE_DEVTIME "Timestamp" 65 #define BTIF_STORAGE_PATH_REMOTE_DEVCLASS "DevClass" 66 #define BTIF_STORAGE_PATH_REMOTE_DEVTYPE "DevType" 67 #define BTIF_STORAGE_PATH_REMOTE_NAME "Name" 68 #define BTIF_STORAGE_PATH_REMOTE_VER_MFCT "Manufacturer" 69 #define BTIF_STORAGE_PATH_REMOTE_VER_VER "LmpVer" 70 #define BTIF_STORAGE_PATH_REMOTE_VER_SUBVER "LmpSubVer" 71 72 //#define BTIF_STORAGE_PATH_REMOTE_LINKKEYS "remote_linkkeys" 73 #define BTIF_STORAGE_PATH_REMOTE_ALIASE "Aliase" 74 #define BTIF_STORAGE_PATH_REMOTE_SERVICE "Service" 75 #define BTIF_STORAGE_PATH_REMOTE_HIDINFO "HidInfo" 76 #define BTIF_STORAGE_KEY_ADAPTER_NAME "Name" 77 #define BTIF_STORAGE_KEY_ADAPTER_SCANMODE "ScanMode" 78 #define BTIF_STORAGE_KEY_ADAPTER_DISC_TIMEOUT "DiscoveryTimeout" 79 80 /* This is a local property to add a device found */ 81 #define BT_PROPERTY_REMOTE_DEVICE_TIMESTAMP 0xFF 82 83 #define BTIF_STORAGE_GET_ADAPTER_PROP(t,v,l,p) \ 84 {p.type=t;p.val=v;p.len=l; btif_storage_get_adapter_property(&p);} 85 86 #define BTIF_STORAGE_GET_REMOTE_PROP(b,t,v,l,p) \ 87 {p.type=t;p.val=v;p.len=l;btif_storage_get_remote_device_property(b,&p);} 88 89 #define STORAGE_BDADDR_STRING_SZ (18) /* 00:11:22:33:44:55 */ 90 #define STORAGE_UUID_STRING_SIZE (36+1) /* 00001200-0000-1000-8000-00805f9b34fb; */ 91 #define STORAGE_PINLEN_STRING_MAX_SIZE (2) /* ascii pinlen max chars */ 92 #define STORAGE_KEYTYPE_STRING_MAX_SIZE (1) /* ascii keytype max chars */ 93 94 #define STORAGE_KEY_TYPE_MAX (10) 95 96 #define STORAGE_HID_ATRR_MASK_SIZE (4) 97 #define STORAGE_HID_SUB_CLASS_SIZE (2) 98 #define STORAGE_HID_APP_ID_SIZE (2) 99 #define STORAGE_HID_VENDOR_ID_SIZE (4) 100 #define STORAGE_HID_PRODUCT_ID_SIZE (4) 101 #define STORAGE_HID_VERSION_SIZE (4) 102 #define STORAGE_HID_CTRY_CODE_SIZE (2) 103 #define STORAGE_HID_DESC_LEN_SIZE (4) 104 #define STORAGE_HID_DESC_MAX_SIZE (2*512) 105 106 /* <18 char bd addr> <space> LIST< <36 char uuid> <;> > <keytype (dec)> <pinlen> */ 107 #define BTIF_REMOTE_SERVICES_ENTRY_SIZE_MAX (STORAGE_BDADDR_STRING_SZ + 1 +\ 108 STORAGE_UUID_STRING_SIZE*BT_MAX_NUM_UUIDS + \ 109 STORAGE_PINLEN_STRING_MAX_SIZE +\ 110 STORAGE_KEYTYPE_STRING_MAX_SIZE) 111 112 #define STORAGE_REMOTE_LINKKEYS_ENTRY_SIZE (LINK_KEY_LEN*2 + 1 + 2 + 1 + 2) 113 114 /* <18 char bd addr> <space>LIST <attr_mask> <space> > <sub_class> <space> <app_id> <space> 115 <vendor_id> <space> > <product_id> <space> <version> <space> 116 <ctry_code> <space> > <desc_len> <space> <desc_list> <space> */ 117 #define BTIF_HID_INFO_ENTRY_SIZE_MAX (STORAGE_BDADDR_STRING_SZ + 1 +\ 118 STORAGE_HID_ATRR_MASK_SIZE + 1 +\ 119 STORAGE_HID_SUB_CLASS_SIZE + 1 +\ 120 STORAGE_HID_APP_ID_SIZE+ 1 +\ 121 STORAGE_HID_VENDOR_ID_SIZE+ 1 +\ 122 STORAGE_HID_PRODUCT_ID_SIZE+ 1 +\ 123 STORAGE_HID_VERSION_SIZE+ 1 +\ 124 STORAGE_HID_CTRY_CODE_SIZE+ 1 +\ 125 STORAGE_HID_DESC_LEN_SIZE+ 1 +\ 126 STORAGE_HID_DESC_MAX_SIZE+ 1 ) 127 128 /* currently remote services is the potentially largest entry */ 129 #define BTIF_STORAGE_MAX_LINE_SZ BTIF_REMOTE_SERVICES_ENTRY_SIZE_MAX 130 131 /* check against unv max entry size at compile time */ 132 #if (BTIF_STORAGE_ENTRY_MAX_SIZE > UNV_MAXLINE_LENGTH) 133 #error "btif storage entry size exceeds unv max line size" 134 #endif 135 136 #define BTIF_STORAGE_HL_APP "hl_app" 137 #define BTIF_STORAGE_HL_APP_CB "hl_app_cb" 138 #define BTIF_STORAGE_HL_APP_DATA "hl_app_data_" 139 #define BTIF_STORAGE_HL_APP_MDL_DATA "hl_app_mdl_data_" 140 141 /************************************************************************************ 142 ** Local type definitions 143 ************************************************************************************/ 144 typedef struct 145 { 146 uint32_t num_devices; 147 bt_bdaddr_t devices[BTM_SEC_MAX_DEVICE_RECORDS]; 148 } btif_bonded_devices_t; 149 150 /************************************************************************************ 151 ** External variables 152 ************************************************************************************/ 153 extern UINT16 bta_service_id_to_uuid_lkup_tbl [BTA_MAX_SERVICE_ID]; 154 extern bt_bdaddr_t btif_local_bd_addr; 155 156 /************************************************************************************ 157 ** External functions 158 ************************************************************************************/ 159 160 extern void btif_gatts_add_bonded_dev_from_nv(BD_ADDR bda); 161 162 /************************************************************************************ 163 ** Internal Functions 164 ************************************************************************************/ 165 166 static bt_status_t btif_in_fetch_bonded_ble_device(const char *remote_bd_addr,int add, 167 btif_bonded_devices_t *p_bonded_devices); 168 static bt_status_t btif_in_fetch_bonded_device(const char *bdstr); 169 170 /************************************************************************************ 171 ** Static functions 172 ************************************************************************************/ 173 174 static int prop2cfg(bt_bdaddr_t *remote_bd_addr, bt_property_t *prop) 175 { 176 bdstr_t bdstr = {0}; 177 if(remote_bd_addr) 178 bdaddr_to_string(remote_bd_addr, bdstr, sizeof(bdstr)); 179 BTIF_TRACE_DEBUG("in, bd addr:%s, prop type:%d, len:%d", bdstr, prop->type, prop->len); 180 char value[1024]; 181 if(prop->len <= 0 || prop->len > (int)sizeof(value) - 1) 182 { 183 BTIF_TRACE_ERROR("property type:%d, len:%d is invalid", prop->type, prop->len); 184 return FALSE; 185 } 186 switch(prop->type) 187 { 188 case BT_PROPERTY_REMOTE_DEVICE_TIMESTAMP: 189 btif_config_set_int(bdstr, 190 BTIF_STORAGE_PATH_REMOTE_DEVTIME, (int)time(NULL)); 191 break; 192 case BT_PROPERTY_BDNAME: 193 strncpy(value, (char*)prop->val, prop->len); 194 value[prop->len]='\0'; 195 if(remote_bd_addr) 196 btif_config_set_str(bdstr, 197 BTIF_STORAGE_PATH_REMOTE_NAME, value); 198 else btif_config_set_str("Adapter", 199 BTIF_STORAGE_KEY_ADAPTER_NAME, value); 200 break; 201 case BT_PROPERTY_REMOTE_FRIENDLY_NAME: 202 strncpy(value, (char*)prop->val, prop->len); 203 value[prop->len]='\0'; 204 btif_config_set_str(bdstr, BTIF_STORAGE_PATH_REMOTE_ALIASE, value); 205 break; 206 case BT_PROPERTY_ADAPTER_SCAN_MODE: 207 btif_config_set_int("Adapter", 208 BTIF_STORAGE_KEY_ADAPTER_SCANMODE, *(int*)prop->val); 209 break; 210 case BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT: 211 btif_config_set_int("Adapter", 212 BTIF_STORAGE_KEY_ADAPTER_DISC_TIMEOUT, *(int*)prop->val); 213 break; 214 case BT_PROPERTY_CLASS_OF_DEVICE: 215 btif_config_set_int(bdstr, 216 BTIF_STORAGE_PATH_REMOTE_DEVCLASS, *(int*)prop->val); 217 break; 218 case BT_PROPERTY_TYPE_OF_DEVICE: 219 btif_config_set_int(bdstr, 220 BTIF_STORAGE_PATH_REMOTE_DEVTYPE, *(int*)prop->val); 221 break; 222 case BT_PROPERTY_UUIDS: 223 { 224 uint32_t i; 225 char buf[64]; 226 value[0] = 0; 227 for (i=0; i < (prop->len)/sizeof(bt_uuid_t); i++) 228 { 229 bt_uuid_t *p_uuid = (bt_uuid_t*)prop->val + i; 230 memset(buf, 0, sizeof(buf)); 231 uuid_to_string_legacy(p_uuid, buf); 232 strcat(value, buf); 233 //strcat(value, ";"); 234 strcat(value, " "); 235 } 236 btif_config_set_str(bdstr, BTIF_STORAGE_PATH_REMOTE_SERVICE, value); 237 break; 238 } 239 case BT_PROPERTY_REMOTE_VERSION_INFO: 240 { 241 bt_remote_version_t *info = (bt_remote_version_t *)prop->val; 242 243 if (!info) 244 return FALSE; 245 246 btif_config_set_int(bdstr, 247 BTIF_STORAGE_PATH_REMOTE_VER_MFCT, info->manufacturer); 248 btif_config_set_int(bdstr, 249 BTIF_STORAGE_PATH_REMOTE_VER_VER, info->version); 250 btif_config_set_int(bdstr, 251 BTIF_STORAGE_PATH_REMOTE_VER_SUBVER, info->sub_ver); 252 } break; 253 254 default: 255 BTIF_TRACE_ERROR("Unknown prop type:%d", prop->type); 256 return FALSE; 257 } 258 259 /* save changes if the device was bonded */ 260 if (btif_in_fetch_bonded_device(bdstr) == BT_STATUS_SUCCESS) { 261 btif_config_save(); 262 } 263 264 return TRUE; 265 } 266 267 static int cfg2prop(bt_bdaddr_t *remote_bd_addr, bt_property_t *prop) 268 { 269 bdstr_t bdstr = {0}; 270 if(remote_bd_addr) 271 bdaddr_to_string(remote_bd_addr, bdstr, sizeof(bdstr)); 272 BTIF_TRACE_DEBUG("in, bd addr:%s, prop type:%d, len:%d", bdstr, prop->type, prop->len); 273 if(prop->len <= 0) 274 { 275 BTIF_TRACE_ERROR("property type:%d, len:%d is invalid", prop->type, prop->len); 276 return FALSE; 277 } 278 int ret = FALSE; 279 switch(prop->type) 280 { 281 case BT_PROPERTY_REMOTE_DEVICE_TIMESTAMP: 282 if(prop->len >= (int)sizeof(int)) 283 ret = btif_config_get_int(bdstr, 284 BTIF_STORAGE_PATH_REMOTE_DEVTIME, (int*)prop->val); 285 break; 286 case BT_PROPERTY_BDNAME: 287 { 288 int len = prop->len; 289 if(remote_bd_addr) 290 ret = btif_config_get_str(bdstr, 291 BTIF_STORAGE_PATH_REMOTE_NAME, (char*)prop->val, &len); 292 else ret = btif_config_get_str("Adapter", 293 BTIF_STORAGE_KEY_ADAPTER_NAME, (char*)prop->val, &len); 294 if(ret && len && len <= prop->len) 295 prop->len = len - 1; 296 else 297 { 298 prop->len = 0; 299 ret = FALSE; 300 } 301 break; 302 } 303 case BT_PROPERTY_REMOTE_FRIENDLY_NAME: 304 { 305 int len = prop->len; 306 ret = btif_config_get_str(bdstr, 307 BTIF_STORAGE_PATH_REMOTE_ALIASE, (char*)prop->val, &len); 308 if(ret && len && len <= prop->len) 309 prop->len = len - 1; 310 else 311 { 312 prop->len = 0; 313 ret = FALSE; 314 } 315 break; 316 } 317 case BT_PROPERTY_ADAPTER_SCAN_MODE: 318 if(prop->len >= (int)sizeof(int)) 319 ret = btif_config_get_int("Adapter", 320 BTIF_STORAGE_KEY_ADAPTER_SCANMODE, (int*)prop->val); 321 break; 322 case BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT: 323 if(prop->len >= (int)sizeof(int)) 324 ret = btif_config_get_int("Adapter", 325 BTIF_STORAGE_KEY_ADAPTER_DISC_TIMEOUT, (int*)prop->val); 326 break; 327 case BT_PROPERTY_CLASS_OF_DEVICE: 328 if(prop->len >= (int)sizeof(int)) 329 ret = btif_config_get_int(bdstr, 330 BTIF_STORAGE_PATH_REMOTE_DEVCLASS, (int*)prop->val); 331 break; 332 case BT_PROPERTY_TYPE_OF_DEVICE: 333 if(prop->len >= (int)sizeof(int)) 334 ret = btif_config_get_int(bdstr, BTIF_STORAGE_PATH_REMOTE_DEVTYPE, (int*)prop->val); 335 break; 336 case BT_PROPERTY_UUIDS: 337 { 338 char value[1280]; 339 int size = sizeof(value); 340 if(btif_config_get_str(bdstr, 341 BTIF_STORAGE_PATH_REMOTE_SERVICE, value, &size)) 342 { 343 bt_uuid_t *p_uuid = (bt_uuid_t*)prop->val; 344 size_t num_uuids = btif_split_uuids_string(value, p_uuid, BT_MAX_NUM_UUIDS); 345 prop->len = num_uuids * sizeof(bt_uuid_t); 346 ret = TRUE; 347 } 348 else 349 { 350 prop->val = NULL; 351 prop->len = 0; 352 } 353 } break; 354 355 case BT_PROPERTY_REMOTE_VERSION_INFO: 356 { 357 bt_remote_version_t *info = (bt_remote_version_t *)prop->val; 358 359 if(prop->len >= (int)sizeof(bt_remote_version_t)) 360 { 361 ret = btif_config_get_int(bdstr, 362 BTIF_STORAGE_PATH_REMOTE_VER_MFCT, &info->manufacturer); 363 364 if (ret == TRUE) 365 ret = btif_config_get_int(bdstr, 366 BTIF_STORAGE_PATH_REMOTE_VER_VER, &info->version); 367 368 if (ret == TRUE) 369 ret = btif_config_get_int(bdstr, 370 BTIF_STORAGE_PATH_REMOTE_VER_SUBVER, &info->sub_ver); 371 } 372 } break; 373 374 default: 375 BTIF_TRACE_ERROR("Unknow prop type:%d", prop->type); 376 return FALSE; 377 } 378 return ret; 379 } 380 381 /******************************************************************************* 382 ** 383 ** Function btif_in_fetch_bonded_devices 384 ** 385 ** Description Internal helper function to fetch the bonded devices 386 ** from NVRAM 387 ** 388 ** Returns BT_STATUS_SUCCESS if successful, BT_STATUS_FAIL otherwise 389 ** 390 *******************************************************************************/ 391 static bt_status_t btif_in_fetch_bonded_device(const char *bdstr) 392 { 393 BOOLEAN bt_linkkey_file_found=FALSE; 394 395 LINK_KEY link_key; 396 size_t size = sizeof(link_key); 397 if(btif_config_get_bin(bdstr, "LinkKey", (uint8_t *)link_key, &size)) 398 { 399 int linkkey_type; 400 if(btif_config_get_int(bdstr, "LinkKeyType", &linkkey_type)) 401 { 402 bt_linkkey_file_found = TRUE; 403 } 404 else 405 { 406 bt_linkkey_file_found = FALSE; 407 } 408 } 409 #if (BLE_INCLUDED == TRUE) 410 if((btif_in_fetch_bonded_ble_device(bdstr, FALSE, NULL) != BT_STATUS_SUCCESS) 411 && (!bt_linkkey_file_found)) 412 { 413 BTIF_TRACE_DEBUG("Remote device:%s, no link key or ble key found", bdstr); 414 return BT_STATUS_FAIL; 415 } 416 #else 417 if((!bt_linkkey_file_found)) 418 { 419 BTIF_TRACE_DEBUG("Remote device:%s, no link key found", bdstr); 420 return BT_STATUS_FAIL; 421 } 422 #endif 423 return BT_STATUS_SUCCESS; 424 } 425 426 /******************************************************************************* 427 ** 428 ** Function btif_in_fetch_bonded_devices 429 ** 430 ** Description Internal helper function to fetch the bonded devices 431 ** from NVRAM 432 ** 433 ** Returns BT_STATUS_SUCCESS if successful, BT_STATUS_FAIL otherwise 434 ** 435 *******************************************************************************/ 436 static bt_status_t btif_in_fetch_bonded_devices(btif_bonded_devices_t *p_bonded_devices, int add) 437 { 438 memset(p_bonded_devices, 0, sizeof(btif_bonded_devices_t)); 439 440 BOOLEAN bt_linkkey_file_found=FALSE; 441 int device_type; 442 443 for (const btif_config_section_iter_t *iter = btif_config_section_begin(); iter != btif_config_section_end(); iter = btif_config_section_next(iter)) { 444 const char *name = btif_config_section_name(iter); 445 if (!string_is_bdaddr(name)) 446 continue; 447 448 BTIF_TRACE_DEBUG("Remote device:%s", name); 449 LINK_KEY link_key; 450 size_t size = sizeof(link_key); 451 if (btif_config_get_bin(name, "LinkKey", link_key, &size)) { 452 int linkkey_type; 453 if (btif_config_get_int(name, "LinkKeyType", &linkkey_type)) { 454 bt_bdaddr_t bd_addr; 455 string_to_bdaddr(name, &bd_addr); 456 if (add) { 457 DEV_CLASS dev_class = {0, 0, 0}; 458 int cod; 459 int pin_length = 0; 460 if (btif_config_get_int(name, "DevClass", &cod)) 461 uint2devclass((UINT32)cod, dev_class); 462 btif_config_get_int(name, "PinLength", &pin_length); 463 BTA_DmAddDevice(bd_addr.address, dev_class, link_key, 0, 0, 464 (UINT8)linkkey_type, 0, pin_length); 465 466 #if BLE_INCLUDED == TRUE 467 if (btif_config_get_int(name, "DevType", &device_type) && 468 (device_type == BT_DEVICE_TYPE_DUMO) ) { 469 btif_gatts_add_bonded_dev_from_nv(bd_addr.address); 470 } 471 #endif 472 } 473 bt_linkkey_file_found = TRUE; 474 memcpy(&p_bonded_devices->devices[p_bonded_devices->num_devices++], &bd_addr, sizeof(bt_bdaddr_t)); 475 } else { 476 #if (BLE_INCLUDED == TRUE) 477 bt_linkkey_file_found = FALSE; 478 #else 479 BTIF_TRACE_ERROR("bounded device:%s, LinkKeyType or PinLength is invalid", name); 480 #endif 481 } 482 } 483 #if (BLE_INCLUDED == TRUE) 484 if (!btif_in_fetch_bonded_ble_device(name, add, p_bonded_devices) && 485 !bt_linkkey_file_found) { 486 BTIF_TRACE_DEBUG("Remote device:%s, no link key or ble key found", name); 487 } 488 #else 489 if(!bt_linkkey_file_found) 490 BTIF_TRACE_DEBUG("Remote device:%s, no link key", name); 491 #endif 492 } 493 return BT_STATUS_SUCCESS; 494 } 495 496 static void btif_read_le_key(const uint8_t key_type, const size_t key_len, bt_bdaddr_t bd_addr, 497 const uint8_t addr_type, const bool add_key, bool *device_added, bool *key_found) 498 { 499 assert(device_added); 500 assert(key_found); 501 502 char buffer[100]; 503 memset(buffer, 0, sizeof(buffer)); 504 505 if (btif_storage_get_ble_bonding_key(&bd_addr, key_type, buffer, key_len) == BT_STATUS_SUCCESS) 506 { 507 if (add_key) 508 { 509 BD_ADDR bta_bd_addr; 510 bdcpy(bta_bd_addr, bd_addr.address); 511 512 if (!*device_added) 513 { 514 BTA_DmAddBleDevice(bta_bd_addr, addr_type, BT_DEVICE_TYPE_BLE); 515 *device_added = true; 516 } 517 518 char bd_str[20] = {0}; 519 BTIF_TRACE_DEBUG("%s() Adding key type %d for %s", __func__, 520 key_type, bdaddr_to_string(&bd_addr, bd_str, sizeof(bd_str))); 521 BTA_DmAddBleKey(bta_bd_addr, (tBTA_LE_KEY_VALUE *)buffer, key_type); 522 } 523 524 *key_found = true; 525 } 526 } 527 528 /******************************************************************************* 529 * Functions 530 * 531 * Functions are synchronous and can be called by both from internal modules 532 * such as BTIF_DM and by external entiries from HAL via BTIF_context_switch. 533 * For OUT parameters, the caller is expected to provide the memory. 534 * Caller is expected to provide a valid pointer to 'property->value' based on 535 * the property->type. 536 *******************************************************************************/ 537 538 /******************************************************************************* 539 ** 540 ** Function btif_split_uuids_string 541 ** 542 ** Description Internal helper function to split the string of UUIDs 543 ** read from the NVRAM to an array 544 ** 545 ** Returns Number of UUIDs parsed from the supplied string 546 ** 547 *******************************************************************************/ 548 size_t btif_split_uuids_string(const char *str, bt_uuid_t *p_uuid, size_t max_uuids) 549 { 550 assert(str); 551 assert(p_uuid); 552 553 size_t num_uuids = 0; 554 while (str && num_uuids < max_uuids) 555 { 556 bool rc = string_to_uuid(str, p_uuid++); 557 if (!rc) break; 558 num_uuids++; 559 str = strchr(str, ' '); 560 if (str) str++; 561 } 562 563 return num_uuids; 564 } 565 566 /******************************************************************************* 567 ** 568 ** Function btif_storage_get_adapter_property 569 ** 570 ** Description BTIF storage API - Fetches the adapter property->type 571 ** from NVRAM and fills property->val. 572 ** Caller should provide memory for property->val and 573 ** set the property->val 574 ** 575 ** Returns BT_STATUS_SUCCESS if the fetch was successful, 576 ** BT_STATUS_FAIL otherwise 577 ** 578 *******************************************************************************/ 579 bt_status_t btif_storage_get_adapter_property(bt_property_t *property) 580 { 581 582 /* Special handling for adapter BD_ADDR and BONDED_DEVICES */ 583 if (property->type == BT_PROPERTY_BDADDR) 584 { 585 bt_bdaddr_t *bd_addr = (bt_bdaddr_t*)property->val; 586 /* This has been cached in btif. Just fetch it from there */ 587 memcpy(bd_addr, &btif_local_bd_addr, sizeof(bt_bdaddr_t)); 588 property->len = sizeof(bt_bdaddr_t); 589 return BT_STATUS_SUCCESS; 590 } 591 else if (property->type == BT_PROPERTY_ADAPTER_BONDED_DEVICES) 592 { 593 btif_bonded_devices_t bonded_devices; 594 595 btif_in_fetch_bonded_devices(&bonded_devices, 0); 596 597 BTIF_TRACE_DEBUG("%s: Number of bonded devices: %d Property:BT_PROPERTY_ADAPTER_BONDED_DEVICES", __FUNCTION__, bonded_devices.num_devices); 598 599 if (bonded_devices.num_devices > 0) 600 { 601 property->len = bonded_devices.num_devices * sizeof(bt_bdaddr_t); 602 memcpy(property->val, bonded_devices.devices, property->len); 603 } 604 605 /* if there are no bonded_devices, then length shall be 0 */ 606 return BT_STATUS_SUCCESS; 607 } 608 else if (property->type == BT_PROPERTY_UUIDS) 609 { 610 /* publish list of local supported services */ 611 bt_uuid_t *p_uuid = (bt_uuid_t*)property->val; 612 uint32_t num_uuids = 0; 613 uint32_t i; 614 615 tBTA_SERVICE_MASK service_mask = btif_get_enabled_services_mask(); 616 LOG_INFO(LOG_TAG, "%s service_mask:0x%x", __FUNCTION__, service_mask); 617 for (i=0; i < BTA_MAX_SERVICE_ID; i++) 618 { 619 /* This should eventually become a function when more services are enabled */ 620 if (service_mask 621 &(tBTA_SERVICE_MASK)(1 << i)) 622 { 623 switch (i) 624 { 625 case BTA_HFP_SERVICE_ID: 626 { 627 uuid16_to_uuid128(UUID_SERVCLASS_AG_HANDSFREE, 628 p_uuid+num_uuids); 629 num_uuids++; 630 } 631 /* intentional fall through: Send both BFP & HSP UUIDs if HFP is enabled */ 632 case BTA_HSP_SERVICE_ID: 633 { 634 uuid16_to_uuid128(UUID_SERVCLASS_HEADSET_AUDIO_GATEWAY, 635 p_uuid+num_uuids); 636 num_uuids++; 637 }break; 638 case BTA_A2DP_SOURCE_SERVICE_ID: 639 { 640 uuid16_to_uuid128(UUID_SERVCLASS_AUDIO_SOURCE, 641 p_uuid+num_uuids); 642 num_uuids++; 643 }break; 644 case BTA_A2DP_SINK_SERVICE_ID: 645 { 646 uuid16_to_uuid128(UUID_SERVCLASS_AUDIO_SINK, 647 p_uuid+num_uuids); 648 num_uuids++; 649 }break; 650 case BTA_HFP_HS_SERVICE_ID: 651 { 652 uuid16_to_uuid128(UUID_SERVCLASS_HF_HANDSFREE, 653 p_uuid+num_uuids); 654 num_uuids++; 655 }break; 656 } 657 } 658 } 659 property->len = (num_uuids)*sizeof(bt_uuid_t); 660 return BT_STATUS_SUCCESS; 661 } 662 663 /* fall through for other properties */ 664 if(!cfg2prop(NULL, property)) 665 { 666 return btif_dm_get_adapter_property(property); 667 } 668 return BT_STATUS_SUCCESS; 669 } 670 671 /******************************************************************************* 672 ** 673 ** Function btif_storage_set_adapter_property 674 ** 675 ** Description BTIF storage API - Stores the adapter property 676 ** to NVRAM 677 ** 678 ** Returns BT_STATUS_SUCCESS if the store was successful, 679 ** BT_STATUS_FAIL otherwise 680 ** 681 *******************************************************************************/ 682 bt_status_t btif_storage_set_adapter_property(bt_property_t *property) 683 { 684 return prop2cfg(NULL, property) ? BT_STATUS_SUCCESS : BT_STATUS_FAIL; 685 } 686 687 /******************************************************************************* 688 ** 689 ** Function btif_storage_get_remote_device_property 690 ** 691 ** Description BTIF storage API - Fetches the remote device property->type 692 ** from NVRAM and fills property->val. 693 ** Caller should provide memory for property->val and 694 ** set the property->val 695 ** 696 ** Returns BT_STATUS_SUCCESS if the fetch was successful, 697 ** BT_STATUS_FAIL otherwise 698 ** 699 *******************************************************************************/ 700 bt_status_t btif_storage_get_remote_device_property(bt_bdaddr_t *remote_bd_addr, 701 bt_property_t *property) 702 { 703 return cfg2prop(remote_bd_addr, property) ? BT_STATUS_SUCCESS : BT_STATUS_FAIL; 704 } 705 /******************************************************************************* 706 ** 707 ** Function btif_storage_set_remote_device_property 708 ** 709 ** Description BTIF storage API - Stores the remote device property 710 ** to NVRAM 711 ** 712 ** Returns BT_STATUS_SUCCESS if the store was successful, 713 ** BT_STATUS_FAIL otherwise 714 ** 715 *******************************************************************************/ 716 bt_status_t btif_storage_set_remote_device_property(bt_bdaddr_t *remote_bd_addr, 717 bt_property_t *property) 718 { 719 return prop2cfg(remote_bd_addr, property) ? BT_STATUS_SUCCESS : BT_STATUS_FAIL; 720 } 721 722 /******************************************************************************* 723 ** 724 ** Function btif_storage_add_remote_device 725 ** 726 ** Description BTIF storage API - Adds a newly discovered device to NVRAM 727 ** along with the timestamp. Also, stores the various 728 ** properties - RSSI, BDADDR, NAME (if found in EIR) 729 ** 730 ** Returns BT_STATUS_SUCCESS if the store was successful, 731 ** BT_STATUS_FAIL otherwise 732 ** 733 *******************************************************************************/ 734 bt_status_t btif_storage_add_remote_device(bt_bdaddr_t *remote_bd_addr, 735 uint32_t num_properties, 736 bt_property_t *properties) 737 { 738 uint32_t i = 0; 739 /* TODO: If writing a property, fails do we go back undo the earlier 740 * written properties? */ 741 for (i=0; i < num_properties; i++) 742 { 743 /* Ignore the RSSI as this is not stored in DB */ 744 if (properties[i].type == BT_PROPERTY_REMOTE_RSSI) 745 continue; 746 747 /* BD_ADDR for remote device needs special handling as we also store timestamp */ 748 if (properties[i].type == BT_PROPERTY_BDADDR) 749 { 750 bt_property_t addr_prop; 751 memcpy(&addr_prop, &properties[i], sizeof(bt_property_t)); 752 addr_prop.type = BT_PROPERTY_REMOTE_DEVICE_TIMESTAMP; 753 btif_storage_set_remote_device_property(remote_bd_addr, 754 &addr_prop); 755 } 756 else 757 { 758 btif_storage_set_remote_device_property(remote_bd_addr, 759 &properties[i]); 760 } 761 } 762 return BT_STATUS_SUCCESS; 763 } 764 765 /******************************************************************************* 766 ** 767 ** Function btif_storage_add_bonded_device 768 ** 769 ** Description BTIF storage API - Adds the newly bonded device to NVRAM 770 ** along with the link-key, Key type and Pin key length 771 ** 772 ** Returns BT_STATUS_SUCCESS if the store was successful, 773 ** BT_STATUS_FAIL otherwise 774 ** 775 *******************************************************************************/ 776 777 bt_status_t btif_storage_add_bonded_device(bt_bdaddr_t *remote_bd_addr, 778 LINK_KEY link_key, 779 uint8_t key_type, 780 uint8_t pin_length) 781 { 782 bdstr_t bdstr; 783 bdaddr_to_string(remote_bd_addr, bdstr, sizeof(bdstr)); 784 int ret = btif_config_set_int(bdstr, "LinkKeyType", (int)key_type); 785 ret &= btif_config_set_int(bdstr, "PinLength", (int)pin_length); 786 ret &= btif_config_set_bin(bdstr, "LinkKey", link_key, sizeof(LINK_KEY)); 787 788 if (is_restricted_mode()) { 789 BTIF_TRACE_WARNING("%s: '%s' pairing will be removed if unrestricted", 790 __func__, bdstr); 791 btif_config_set_int(bdstr, "Restricted", 1); 792 } 793 794 /* write bonded info immediately */ 795 btif_config_flush(); 796 return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL; 797 } 798 799 /******************************************************************************* 800 ** 801 ** Function btif_storage_remove_bonded_device 802 ** 803 ** Description BTIF storage API - Deletes the bonded device from NVRAM 804 ** 805 ** Returns BT_STATUS_SUCCESS if the deletion was successful, 806 ** BT_STATUS_FAIL otherwise 807 ** 808 *******************************************************************************/ 809 bt_status_t btif_storage_remove_bonded_device(bt_bdaddr_t *remote_bd_addr) 810 { 811 bdstr_t bdstr; 812 bdaddr_to_string(remote_bd_addr, bdstr, sizeof(bdstr)); 813 BTIF_TRACE_DEBUG("in bd addr:%s", bdstr); 814 815 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE)) 816 btif_storage_remove_ble_bonding_keys(remote_bd_addr); 817 #endif 818 819 int ret = 1; 820 if(btif_config_exist(bdstr, "LinkKeyType")) 821 ret &= btif_config_remove(bdstr, "LinkKeyType"); 822 if(btif_config_exist(bdstr, "PinLength")) 823 ret &= btif_config_remove(bdstr, "PinLength"); 824 if(btif_config_exist(bdstr, "LinkKey")) 825 ret &= btif_config_remove(bdstr, "LinkKey"); 826 /* write bonded info immediately */ 827 btif_config_flush(); 828 return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL; 829 830 } 831 832 /******************************************************************************* 833 ** 834 ** Function btif_storage_load_bonded_devices 835 ** 836 ** Description BTIF storage API - Loads all the bonded devices from NVRAM 837 ** and adds to the BTA. 838 ** Additionally, this API also invokes the adaper_properties_cb 839 ** and remote_device_properties_cb for each of the bonded devices. 840 ** 841 ** Returns BT_STATUS_SUCCESS if successful, BT_STATUS_FAIL otherwise 842 ** 843 *******************************************************************************/ 844 bt_status_t btif_storage_load_bonded_devices(void) 845 { 846 btif_bonded_devices_t bonded_devices; 847 uint32_t i = 0; 848 bt_property_t adapter_props[6]; 849 uint32_t num_props = 0; 850 bt_property_t remote_properties[8]; 851 bt_bdaddr_t addr; 852 bt_bdname_t name, alias; 853 bt_scan_mode_t mode; 854 uint32_t disc_timeout; 855 bt_uuid_t local_uuids[BT_MAX_NUM_UUIDS]; 856 bt_uuid_t remote_uuids[BT_MAX_NUM_UUIDS]; 857 858 btif_in_fetch_bonded_devices(&bonded_devices, 1); 859 860 /* Now send the adapter_properties_cb with all adapter_properties */ 861 { 862 memset(adapter_props, 0, sizeof(adapter_props)); 863 864 /* BD_ADDR */ 865 BTIF_STORAGE_GET_ADAPTER_PROP(BT_PROPERTY_BDADDR, &addr, sizeof(addr), 866 adapter_props[num_props]); 867 num_props++; 868 869 /* BD_NAME */ 870 BTIF_STORAGE_GET_ADAPTER_PROP(BT_PROPERTY_BDNAME, &name, sizeof(name), 871 adapter_props[num_props]); 872 num_props++; 873 874 /* SCAN_MODE */ 875 /* TODO: At the time of BT on, always report the scan mode as 0 irrespective 876 of the scan_mode during the previous enable cycle. 877 This needs to be re-visited as part of the app/stack enable sequence 878 synchronization */ 879 mode = BT_SCAN_MODE_NONE; 880 adapter_props[num_props].type = BT_PROPERTY_ADAPTER_SCAN_MODE; 881 adapter_props[num_props].len = sizeof(mode); 882 adapter_props[num_props].val = &mode; 883 num_props++; 884 885 /* DISC_TIMEOUT */ 886 BTIF_STORAGE_GET_ADAPTER_PROP(BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT, 887 &disc_timeout, sizeof(disc_timeout), 888 adapter_props[num_props]); 889 num_props++; 890 891 /* BONDED_DEVICES */ 892 bt_bdaddr_t *devices_list = 893 (bt_bdaddr_t *)osi_malloc(sizeof(bt_bdaddr_t) * bonded_devices.num_devices); 894 adapter_props[num_props].type = BT_PROPERTY_ADAPTER_BONDED_DEVICES; 895 adapter_props[num_props].len = bonded_devices.num_devices * sizeof(bt_bdaddr_t); 896 adapter_props[num_props].val = devices_list; 897 for (i=0; i < bonded_devices.num_devices; i++) 898 { 899 memcpy(devices_list + i, &bonded_devices.devices[i], sizeof(bt_bdaddr_t)); 900 } 901 num_props++; 902 903 /* LOCAL UUIDs */ 904 BTIF_STORAGE_GET_ADAPTER_PROP(BT_PROPERTY_UUIDS, 905 local_uuids, sizeof(local_uuids), 906 adapter_props[num_props]); 907 num_props++; 908 909 btif_adapter_properties_evt(BT_STATUS_SUCCESS, num_props, adapter_props); 910 911 osi_free(devices_list); 912 } 913 914 BTIF_TRACE_EVENT("%s: %d bonded devices found", __FUNCTION__, bonded_devices.num_devices); 915 916 { 917 for (i = 0; i < bonded_devices.num_devices; i++) 918 { 919 bt_bdaddr_t *p_remote_addr; 920 921 /* 922 * TODO: improve handling of missing fields in NVRAM. 923 */ 924 uint32_t cod = 0; 925 uint32_t devtype = 0; 926 927 num_props = 0; 928 p_remote_addr = &bonded_devices.devices[i]; 929 memset(remote_properties, 0, sizeof(remote_properties)); 930 BTIF_STORAGE_GET_REMOTE_PROP(p_remote_addr, BT_PROPERTY_BDNAME, 931 &name, sizeof(name), 932 remote_properties[num_props]); 933 num_props++; 934 935 BTIF_STORAGE_GET_REMOTE_PROP(p_remote_addr, BT_PROPERTY_REMOTE_FRIENDLY_NAME, 936 &alias, sizeof(alias), 937 remote_properties[num_props]); 938 num_props++; 939 940 BTIF_STORAGE_GET_REMOTE_PROP(p_remote_addr, BT_PROPERTY_CLASS_OF_DEVICE, 941 &cod, sizeof(cod), 942 remote_properties[num_props]); 943 num_props++; 944 945 BTIF_STORAGE_GET_REMOTE_PROP(p_remote_addr, BT_PROPERTY_TYPE_OF_DEVICE, 946 &devtype, sizeof(devtype), 947 remote_properties[num_props]); 948 num_props++; 949 950 BTIF_STORAGE_GET_REMOTE_PROP(p_remote_addr, BT_PROPERTY_UUIDS, 951 remote_uuids, sizeof(remote_uuids), 952 remote_properties[num_props]); 953 num_props++; 954 955 btif_remote_properties_evt(BT_STATUS_SUCCESS, p_remote_addr, 956 num_props, remote_properties); 957 } 958 } 959 return BT_STATUS_SUCCESS; 960 } 961 962 #if (BLE_INCLUDED == TRUE) 963 964 /******************************************************************************* 965 ** 966 ** Function btif_storage_add_ble_bonding_key 967 ** 968 ** Description BTIF storage API - Adds the newly bonded device to NVRAM 969 ** along with the ble-key, Key type and Pin key length 970 ** 971 ** Returns BT_STATUS_SUCCESS if the store was successful, 972 ** BT_STATUS_FAIL otherwise 973 ** 974 *******************************************************************************/ 975 976 bt_status_t btif_storage_add_ble_bonding_key(bt_bdaddr_t *remote_bd_addr, 977 char *key, 978 UINT8 key_type, 979 UINT8 key_length) 980 { 981 bdstr_t bdstr; 982 bdaddr_to_string(remote_bd_addr, bdstr, sizeof(bdstr)); 983 const char* name; 984 switch(key_type) 985 { 986 case BTIF_DM_LE_KEY_PENC: 987 name = "LE_KEY_PENC"; 988 break; 989 case BTIF_DM_LE_KEY_PID: 990 name = "LE_KEY_PID"; 991 break; 992 case BTIF_DM_LE_KEY_PCSRK: 993 name = "LE_KEY_PCSRK"; 994 break; 995 case BTIF_DM_LE_KEY_LENC: 996 name = "LE_KEY_LENC"; 997 break; 998 case BTIF_DM_LE_KEY_LCSRK: 999 name = "LE_KEY_LCSRK"; 1000 break; 1001 case BTIF_DM_LE_KEY_LID: 1002 name = "LE_KEY_LID"; 1003 break; 1004 default: 1005 return BT_STATUS_FAIL; 1006 } 1007 int ret = btif_config_set_bin(bdstr, name, (const uint8_t *)key, key_length); 1008 btif_config_save(); 1009 return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL; 1010 } 1011 1012 /******************************************************************************* 1013 ** 1014 ** Function btif_storage_get_ble_bonding_key 1015 ** 1016 ** Description 1017 ** 1018 ** Returns BT_STATUS_SUCCESS if the fetch was successful, 1019 ** BT_STATUS_FAIL otherwise 1020 ** 1021 *******************************************************************************/ 1022 bt_status_t btif_storage_get_ble_bonding_key(bt_bdaddr_t *remote_bd_addr, 1023 UINT8 key_type, 1024 char *key_value, 1025 int key_length) 1026 { 1027 bdstr_t bdstr; 1028 bdaddr_to_string(remote_bd_addr, bdstr, sizeof(bdstr)); 1029 const char* name; 1030 switch(key_type) 1031 { 1032 case BTIF_DM_LE_KEY_PENC: 1033 name = "LE_KEY_PENC"; 1034 break; 1035 case BTIF_DM_LE_KEY_PID: 1036 name = "LE_KEY_PID"; 1037 break; 1038 case BTIF_DM_LE_KEY_PCSRK: 1039 name = "LE_KEY_PCSRK"; 1040 break; 1041 case BTIF_DM_LE_KEY_LENC: 1042 name = "LE_KEY_LENC"; 1043 break; 1044 case BTIF_DM_LE_KEY_LCSRK: 1045 name = "LE_KEY_LCSRK"; 1046 break; 1047 case BTIF_DM_LE_KEY_LID: 1048 name = "LE_KEY_LID"; 1049 default: 1050 return BT_STATUS_FAIL; 1051 } 1052 size_t length = key_length; 1053 int ret = btif_config_get_bin(bdstr, name, (uint8_t *)key_value, &length); 1054 return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL; 1055 1056 } 1057 1058 /******************************************************************************* 1059 ** 1060 ** Function btif_storage_remove_ble_keys 1061 ** 1062 ** Description BTIF storage API - Deletes the bonded device from NVRAM 1063 ** 1064 ** Returns BT_STATUS_SUCCESS if the deletion was successful, 1065 ** BT_STATUS_FAIL otherwise 1066 ** 1067 *******************************************************************************/ 1068 bt_status_t btif_storage_remove_ble_bonding_keys(bt_bdaddr_t *remote_bd_addr) 1069 { 1070 bdstr_t bdstr; 1071 bdaddr_to_string(remote_bd_addr, bdstr, sizeof(bdstr)); 1072 BTIF_TRACE_DEBUG(" %s in bd addr:%s",__FUNCTION__, bdstr); 1073 int ret = 1; 1074 if(btif_config_exist(bdstr, "LE_KEY_PENC")) 1075 ret &= btif_config_remove(bdstr, "LE_KEY_PENC"); 1076 if(btif_config_exist(bdstr, "LE_KEY_PID")) 1077 ret &= btif_config_remove(bdstr, "LE_KEY_PID"); 1078 if(btif_config_exist(bdstr, "LE_KEY_PCSRK")) 1079 ret &= btif_config_remove(bdstr, "LE_KEY_PCSRK"); 1080 if(btif_config_exist(bdstr, "LE_KEY_LENC")) 1081 ret &= btif_config_remove(bdstr, "LE_KEY_LENC"); 1082 if(btif_config_exist(bdstr, "LE_KEY_LCSRK")) 1083 ret &= btif_config_remove(bdstr, "LE_KEY_LCSRK"); 1084 btif_config_save(); 1085 return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL; 1086 } 1087 1088 /******************************************************************************* 1089 ** 1090 ** Function btif_storage_add_ble_local_key 1091 ** 1092 ** Description BTIF storage API - Adds the ble key to NVRAM 1093 ** 1094 ** Returns BT_STATUS_SUCCESS if the store was successful, 1095 ** BT_STATUS_FAIL otherwise 1096 ** 1097 *******************************************************************************/ 1098 bt_status_t btif_storage_add_ble_local_key(char *key, 1099 uint8_t key_type, 1100 uint8_t key_length) 1101 { 1102 const char* name; 1103 switch(key_type) 1104 { 1105 case BTIF_DM_LE_LOCAL_KEY_IR: 1106 name = "LE_LOCAL_KEY_IR"; 1107 break; 1108 case BTIF_DM_LE_LOCAL_KEY_IRK: 1109 name = "LE_LOCAL_KEY_IRK"; 1110 break; 1111 case BTIF_DM_LE_LOCAL_KEY_DHK: 1112 name = "LE_LOCAL_KEY_DHK"; 1113 break; 1114 case BTIF_DM_LE_LOCAL_KEY_ER: 1115 name = "LE_LOCAL_KEY_ER"; 1116 break; 1117 default: 1118 return BT_STATUS_FAIL; 1119 } 1120 int ret = btif_config_set_bin("Adapter", name, (const uint8_t *)key, key_length); 1121 btif_config_save(); 1122 return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL; 1123 } 1124 1125 /******************************************************************************* 1126 ** 1127 ** Function btif_storage_get_ble_local_key 1128 ** 1129 ** Description 1130 ** 1131 ** Returns BT_STATUS_SUCCESS if the fetch was successful, 1132 ** BT_STATUS_FAIL otherwise 1133 ** 1134 *******************************************************************************/ 1135 bt_status_t btif_storage_get_ble_local_key(UINT8 key_type, 1136 char *key_value, 1137 int key_length) 1138 { 1139 const char* name; 1140 switch(key_type) 1141 { 1142 case BTIF_DM_LE_LOCAL_KEY_IR: 1143 name = "LE_LOCAL_KEY_IR"; 1144 break; 1145 case BTIF_DM_LE_LOCAL_KEY_IRK: 1146 name = "LE_LOCAL_KEY_IRK"; 1147 break; 1148 case BTIF_DM_LE_LOCAL_KEY_DHK: 1149 name = "LE_LOCAL_KEY_DHK"; 1150 break; 1151 case BTIF_DM_LE_LOCAL_KEY_ER: 1152 name = "LE_LOCAL_KEY_ER"; 1153 break; 1154 default: 1155 return BT_STATUS_FAIL; 1156 } 1157 size_t length = key_length; 1158 int ret = btif_config_get_bin("Adapter", name, (uint8_t *)key_value, &length); 1159 return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL; 1160 } 1161 1162 /******************************************************************************* 1163 ** 1164 ** Function btif_storage_remove_ble_local_keys 1165 ** 1166 ** Description BTIF storage API - Deletes the bonded device from NVRAM 1167 ** 1168 ** Returns BT_STATUS_SUCCESS if the deletion was successful, 1169 ** BT_STATUS_FAIL otherwise 1170 ** 1171 *******************************************************************************/ 1172 bt_status_t btif_storage_remove_ble_local_keys(void) 1173 { 1174 int ret = 1; 1175 if(btif_config_exist("Adapter", "LE_LOCAL_KEY_IR")) 1176 ret &= btif_config_remove("Adapter", "LE_LOCAL_KEY_IR"); 1177 if(btif_config_exist("Adapter", "LE_LOCAL_KEY_IRK")) 1178 ret &= btif_config_remove("Adapter", "LE_LOCAL_KEY_IRK"); 1179 if(btif_config_exist("Adapter", "LE_LOCAL_KEY_DHK")) 1180 ret &= btif_config_remove("Adapter", "LE_LOCAL_KEY_DHK"); 1181 if(btif_config_exist("Adapter", "LE_LOCAL_KEY_ER")) 1182 ret &= btif_config_remove("Adapter", "LE_LOCAL_KEY_ER"); 1183 btif_config_save(); 1184 return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL; 1185 } 1186 1187 static bt_status_t btif_in_fetch_bonded_ble_device(const char *remote_bd_addr, int add, btif_bonded_devices_t *p_bonded_devices) 1188 { 1189 int device_type; 1190 int addr_type; 1191 bt_bdaddr_t bd_addr; 1192 BD_ADDR bta_bd_addr; 1193 bool device_added = false; 1194 bool key_found = false; 1195 1196 if (!btif_config_get_int(remote_bd_addr, "DevType", &device_type)) 1197 return BT_STATUS_FAIL; 1198 1199 if ((device_type & BT_DEVICE_TYPE_BLE) == BT_DEVICE_TYPE_BLE) 1200 { 1201 BTIF_TRACE_DEBUG("%s Found a LE device: %s", __func__, remote_bd_addr); 1202 1203 string_to_bdaddr(remote_bd_addr, &bd_addr); 1204 bdcpy(bta_bd_addr, bd_addr.address); 1205 1206 if (btif_storage_get_remote_addr_type(&bd_addr, &addr_type) != BT_STATUS_SUCCESS) 1207 { 1208 addr_type = BLE_ADDR_PUBLIC; 1209 btif_storage_set_remote_addr_type(&bd_addr, BLE_ADDR_PUBLIC); 1210 } 1211 1212 btif_read_le_key(BTIF_DM_LE_KEY_PENC, sizeof(tBTM_LE_PENC_KEYS), 1213 bd_addr, addr_type, add, &device_added, &key_found); 1214 1215 btif_read_le_key(BTIF_DM_LE_KEY_PID, sizeof(tBTM_LE_PID_KEYS), 1216 bd_addr, addr_type, add, &device_added, &key_found); 1217 1218 btif_read_le_key(BTIF_DM_LE_KEY_LID, sizeof(tBTM_LE_PID_KEYS), 1219 bd_addr, addr_type, add, &device_added, &key_found); 1220 1221 btif_read_le_key(BTIF_DM_LE_KEY_PCSRK, sizeof(tBTM_LE_PCSRK_KEYS), 1222 bd_addr, addr_type, add, &device_added, &key_found); 1223 1224 btif_read_le_key(BTIF_DM_LE_KEY_LENC, sizeof(tBTM_LE_LENC_KEYS), 1225 bd_addr, addr_type, add, &device_added, &key_found); 1226 1227 btif_read_le_key(BTIF_DM_LE_KEY_LCSRK, sizeof(tBTM_LE_LCSRK_KEYS), 1228 bd_addr, addr_type, add, &device_added, &key_found); 1229 1230 // Fill in the bonded devices 1231 if (device_added) 1232 { 1233 memcpy(&p_bonded_devices->devices[p_bonded_devices->num_devices++], &bd_addr, sizeof(bt_bdaddr_t)); 1234 btif_gatts_add_bonded_dev_from_nv(bta_bd_addr); 1235 } 1236 1237 if (key_found) 1238 return BT_STATUS_SUCCESS; 1239 } 1240 return BT_STATUS_FAIL; 1241 } 1242 1243 bt_status_t btif_storage_set_remote_addr_type(bt_bdaddr_t *remote_bd_addr, 1244 UINT8 addr_type) 1245 { 1246 bdstr_t bdstr; 1247 bdaddr_to_string(remote_bd_addr, bdstr, sizeof(bdstr)); 1248 int ret = btif_config_set_int(bdstr, "AddrType", (int)addr_type); 1249 return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL; 1250 } 1251 1252 /******************************************************************************* 1253 ** 1254 ** Function btif_storage_get_remote_addr_type 1255 ** 1256 ** Description BTIF storage API - Fetches the remote addr type 1257 ** 1258 ** Returns BT_STATUS_SUCCESS if the fetch was successful, 1259 ** BT_STATUS_FAIL otherwise 1260 ** 1261 *******************************************************************************/ 1262 bt_status_t btif_storage_get_remote_addr_type(bt_bdaddr_t *remote_bd_addr, 1263 int*addr_type) 1264 { 1265 bdstr_t bdstr; 1266 bdaddr_to_string(remote_bd_addr, bdstr, sizeof(bdstr)); 1267 int ret = btif_config_get_int(bdstr, "AddrType", addr_type); 1268 return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL; 1269 } 1270 #endif 1271 /******************************************************************************* 1272 ** 1273 ** Function btif_storage_add_hid_device_info 1274 ** 1275 ** Description BTIF storage API - Adds the hid information of bonded hid devices-to NVRAM 1276 ** 1277 ** Returns BT_STATUS_SUCCESS if the store was successful, 1278 ** BT_STATUS_FAIL otherwise 1279 ** 1280 *******************************************************************************/ 1281 1282 bt_status_t btif_storage_add_hid_device_info(bt_bdaddr_t *remote_bd_addr, 1283 UINT16 attr_mask, UINT8 sub_class, 1284 UINT8 app_id, UINT16 vendor_id, 1285 UINT16 product_id, UINT16 version, 1286 UINT8 ctry_code, UINT16 ssr_max_latency, 1287 UINT16 ssr_min_tout, UINT16 dl_len, UINT8 *dsc_list) 1288 { 1289 bdstr_t bdstr; 1290 BTIF_TRACE_DEBUG("btif_storage_add_hid_device_info:"); 1291 bdaddr_to_string(remote_bd_addr, bdstr, sizeof(bdstr)); 1292 btif_config_set_int(bdstr, "HidAttrMask", attr_mask); 1293 btif_config_set_int(bdstr, "HidSubClass", sub_class); 1294 btif_config_set_int(bdstr, "HidAppId", app_id); 1295 btif_config_set_int(bdstr, "HidVendorId", vendor_id); 1296 btif_config_set_int(bdstr, "HidProductId", product_id); 1297 btif_config_set_int(bdstr, "HidVersion", version); 1298 btif_config_set_int(bdstr, "HidCountryCode", ctry_code); 1299 btif_config_set_int(bdstr, "HidSSRMaxLatency", ssr_max_latency); 1300 btif_config_set_int(bdstr, "HidSSRMinTimeout", ssr_min_tout); 1301 if(dl_len > 0) 1302 btif_config_set_bin(bdstr, "HidDescriptor", dsc_list, dl_len); 1303 btif_config_save(); 1304 return BT_STATUS_SUCCESS; 1305 } 1306 1307 /******************************************************************************* 1308 ** 1309 ** Function btif_storage_load_bonded_hid_info 1310 ** 1311 ** Description BTIF storage API - Loads hid info for all the bonded devices from NVRAM 1312 ** and adds those devices to the BTA_HH. 1313 ** 1314 ** Returns BT_STATUS_SUCCESS if successful, BT_STATUS_FAIL otherwise 1315 ** 1316 *******************************************************************************/ 1317 bt_status_t btif_storage_load_bonded_hid_info(void) 1318 { 1319 bt_bdaddr_t bd_addr; 1320 tBTA_HH_DEV_DSCP_INFO dscp_info; 1321 uint16_t attr_mask; 1322 uint8_t sub_class; 1323 uint8_t app_id; 1324 1325 memset(&dscp_info, 0, sizeof(dscp_info)); 1326 for (const btif_config_section_iter_t *iter = btif_config_section_begin(); iter != btif_config_section_end(); iter = btif_config_section_next(iter)) { 1327 const char *name = btif_config_section_name(iter); 1328 if (!string_is_bdaddr(name)) 1329 continue; 1330 1331 BTIF_TRACE_DEBUG("Remote device:%s", name); 1332 int value; 1333 if(btif_in_fetch_bonded_device(name) == BT_STATUS_SUCCESS) 1334 { 1335 if(btif_config_get_int(name, "HidAttrMask", &value)) 1336 { 1337 attr_mask = (uint16_t)value; 1338 1339 btif_config_get_int(name, "HidSubClass", &value); 1340 sub_class = (uint8_t)value; 1341 1342 btif_config_get_int(name, "HidAppId", &value); 1343 app_id = (uint8_t)value; 1344 1345 btif_config_get_int(name, "HidVendorId", &value); 1346 dscp_info.vendor_id = (uint16_t) value; 1347 1348 btif_config_get_int(name, "HidProductId", &value); 1349 dscp_info.product_id = (uint16_t) value; 1350 1351 btif_config_get_int(name, "HidVersion", &value); 1352 dscp_info.version = (uint8_t) value; 1353 1354 btif_config_get_int(name, "HidCountryCode", &value); 1355 dscp_info.ctry_code = (uint8_t) value; 1356 1357 value = 0; 1358 btif_config_get_int(name, "HidSSRMaxLatency", &value); 1359 dscp_info.ssr_max_latency = (uint16_t) value; 1360 1361 value = 0; 1362 btif_config_get_int(name, "HidSSRMinTimeout", &value); 1363 dscp_info.ssr_min_tout = (uint16_t) value; 1364 1365 size_t len = btif_config_get_bin_length(name, "HidDescriptor"); 1366 if(len > 0) 1367 { 1368 dscp_info.descriptor.dl_len = (uint16_t)len; 1369 dscp_info.descriptor.dsc_list = (uint8_t*)alloca(len); 1370 btif_config_get_bin(name, "HidDescriptor", (uint8_t *)dscp_info.descriptor.dsc_list, &len); 1371 } 1372 string_to_bdaddr(name, &bd_addr); 1373 // add extracted information to BTA HH 1374 if (btif_hh_add_added_dev(bd_addr,attr_mask)) 1375 { 1376 BTA_HhAddDev(bd_addr.address, attr_mask, sub_class, 1377 app_id, dscp_info); 1378 } 1379 } 1380 } 1381 else 1382 { 1383 if(btif_config_get_int(name, "HidAttrMask", &value)) 1384 { 1385 btif_storage_remove_hid_info(&bd_addr); 1386 string_to_bdaddr(name, &bd_addr); 1387 } 1388 } 1389 } 1390 1391 return BT_STATUS_SUCCESS; 1392 } 1393 1394 /******************************************************************************* 1395 ** 1396 ** Function btif_storage_remove_hid_info 1397 ** 1398 ** Description BTIF storage API - Deletes the bonded hid device info from NVRAM 1399 ** 1400 ** Returns BT_STATUS_SUCCESS if the deletion was successful, 1401 ** BT_STATUS_FAIL otherwise 1402 ** 1403 *******************************************************************************/ 1404 bt_status_t btif_storage_remove_hid_info(bt_bdaddr_t *remote_bd_addr) 1405 { 1406 bdstr_t bdstr; 1407 bdaddr_to_string(remote_bd_addr, bdstr, sizeof(bdstr)); 1408 1409 btif_config_remove(bdstr, "HidAttrMask"); 1410 btif_config_remove(bdstr, "HidSubClass"); 1411 btif_config_remove(bdstr, "HidAppId"); 1412 btif_config_remove(bdstr, "HidVendorId"); 1413 btif_config_remove(bdstr, "HidProductId"); 1414 btif_config_remove(bdstr, "HidVersion"); 1415 btif_config_remove(bdstr, "HidCountryCode"); 1416 btif_config_remove(bdstr, "HidSSRMaxLatency"); 1417 btif_config_remove(bdstr, "HidSSRMinTimeout"); 1418 btif_config_remove(bdstr, "HidDescriptor"); 1419 btif_config_save(); 1420 return BT_STATUS_SUCCESS; 1421 } 1422 1423 /******************************************************************************* 1424 ** 1425 ** Function btif_storage_read_hl_apps_cb 1426 ** 1427 ** Description BTIF storage API - Read HL application control block from NVRAM 1428 ** 1429 ** Returns BT_STATUS_SUCCESS if the operation was successful, 1430 ** BT_STATUS_FAIL otherwise 1431 ** 1432 *******************************************************************************/ 1433 bt_status_t btif_storage_read_hl_apps_cb(char *value, int value_size) 1434 { 1435 bt_status_t bt_status = BT_STATUS_SUCCESS; 1436 1437 if (!btif_config_exist(BTIF_STORAGE_HL_APP, BTIF_STORAGE_HL_APP_CB)) { 1438 memset(value, 0, value_size); 1439 if (!btif_config_set_bin(BTIF_STORAGE_HL_APP,BTIF_STORAGE_HL_APP_CB, 1440 (const uint8_t *)value, value_size)) { 1441 bt_status = BT_STATUS_FAIL; 1442 } else { 1443 btif_config_save(); 1444 } 1445 } else { 1446 size_t read_size = value_size; 1447 if (!btif_config_get_bin(BTIF_STORAGE_HL_APP, BTIF_STORAGE_HL_APP_CB, 1448 (uint8_t *)value, &read_size)) { 1449 bt_status = BT_STATUS_FAIL; 1450 } else { 1451 if (read_size != (size_t)value_size) { 1452 BTIF_TRACE_ERROR("%s value_size=%d read_size=%d", 1453 __FUNCTION__, value_size, read_size); 1454 bt_status = BT_STATUS_FAIL; 1455 } 1456 } 1457 } 1458 1459 BTIF_TRACE_DEBUG("%s status=%d value_size=%d", __FUNCTION__, bt_status, value_size); 1460 return bt_status; 1461 } 1462 1463 /******************************************************************************* 1464 ** 1465 ** Function btif_storage_is_restricted_device 1466 ** 1467 ** Description BTIF storage API - checks if this device is a restricted device 1468 ** 1469 ** Returns TRUE if the device is labeled as restricted 1470 ** FALSE otherwise 1471 ** 1472 *******************************************************************************/ 1473 BOOLEAN btif_storage_is_restricted_device(const bt_bdaddr_t *remote_bd_addr) 1474 { 1475 bdstr_t bdstr; 1476 bdaddr_to_string(remote_bd_addr, bdstr, sizeof(bdstr)); 1477 1478 return btif_config_exist(bdstr, "Restricted"); 1479 } 1480