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************************************************************************************/
144typedef 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************************************************************************************/
153extern UINT16 bta_service_id_to_uuid_lkup_tbl [BTA_MAX_SERVICE_ID];
154extern bt_bdaddr_t btif_local_bd_addr;
155
156/************************************************************************************
157**  External functions
158************************************************************************************/
159
160extern void btif_gatts_add_bonded_dev_from_nv(BD_ADDR bda);
161
162/************************************************************************************
163**  Internal Functions
164************************************************************************************/
165
166static bt_status_t btif_in_fetch_bonded_ble_device(const char *remote_bd_addr,int add,
167                                              btif_bonded_devices_t *p_bonded_devices);
168static bt_status_t btif_in_fetch_bonded_device(const char *bdstr);
169
170/************************************************************************************
171**  Static functions
172************************************************************************************/
173
174static 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
267static 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*******************************************************************************/
391static 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*******************************************************************************/
436static 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
496static 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*******************************************************************************/
548size_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*******************************************************************************/
579bt_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*******************************************************************************/
682bt_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*******************************************************************************/
700bt_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*******************************************************************************/
716bt_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*******************************************************************************/
734bt_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
777bt_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*******************************************************************************/
809bt_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*******************************************************************************/
844bt_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
976bt_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*******************************************************************************/
1022bt_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*******************************************************************************/
1068bt_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*******************************************************************************/
1098bt_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*******************************************************************************/
1135bt_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*******************************************************************************/
1172bt_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
1187static 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
1243bt_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*******************************************************************************/
1262bt_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
1282bt_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*******************************************************************************/
1317bt_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*******************************************************************************/
1404bt_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*******************************************************************************/
1433bt_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*******************************************************************************/
1473BOOLEAN 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