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