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