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      1 /******************************************************************************
      2  *
      3  *  Copyright (C) 2009-2012 Broadcom Corporation
      4  *
      5  *  Licensed under the Apache License, Version 2.0 (the "License");
      6  *  you may not use this file except in compliance with the License.
      7  *  You may obtain a copy of the License at:
      8  *
      9  *  http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  *
     17  ******************************************************************************/
     18 
     19 /*******************************************************************************
     20  *
     21  *  Filename:      btif_dm.c
     22  *
     23  *  Description:   Contains Device Management (DM) related functionality
     24  *
     25  *
     26  ******************************************************************************/
     27 
     28 #define LOG_TAG "bt_btif_dm"
     29 
     30 #include "btif_dm.h"
     31 
     32 #include <base/bind.h>
     33 #include <base/logging.h>
     34 #include <signal.h>
     35 #include <stdio.h>
     36 #include <stdlib.h>
     37 #include <string.h>
     38 #include <sys/types.h>
     39 #include <time.h>
     40 #include <unistd.h>
     41 
     42 #include <mutex>
     43 
     44 #include <hardware/bluetooth.h>
     45 
     46 #include "advertise_data_parser.h"
     47 #include "bdaddr.h"
     48 #include "bt_common.h"
     49 #include "bta_closure_api.h"
     50 #include "bta_gatt_api.h"
     51 #include "btif_api.h"
     52 #include "btif_config.h"
     53 #include "btif_dm.h"
     54 #include "btif_hd.h"
     55 #include "btif_hh.h"
     56 #include "btif_sdp.h"
     57 #include "btif_storage.h"
     58 #include "btif_util.h"
     59 #include "btu.h"
     60 #include "device/include/controller.h"
     61 #include "device/include/interop.h"
     62 #include "include/stack_config.h"
     63 #include "osi/include/allocator.h"
     64 #include "osi/include/log.h"
     65 #include "osi/include/metrics.h"
     66 #include "osi/include/osi.h"
     67 #include "osi/include/properties.h"
     68 #include "stack/btm/btm_int.h"
     69 #include "stack_config.h"
     70 
     71 /******************************************************************************
     72  *  Constants & Macros
     73  *****************************************************************************/
     74 
     75 #define COD_MASK 0x07FF
     76 
     77 #define COD_UNCLASSIFIED ((0x1F) << 8)
     78 #define COD_HID_KEYBOARD 0x0540
     79 #define COD_HID_POINTING 0x0580
     80 #define COD_HID_COMBO 0x05C0
     81 #define COD_HID_MAJOR 0x0500
     82 #define COD_HID_MASK 0x0700
     83 #define COD_AV_HEADSETS 0x0404
     84 #define COD_AV_HANDSFREE 0x0408
     85 #define COD_AV_HEADPHONES 0x0418
     86 #define COD_AV_PORTABLE_AUDIO 0x041C
     87 #define COD_AV_HIFI_AUDIO 0x0428
     88 
     89 #define BTIF_DM_DEFAULT_INQ_MAX_RESULTS 0
     90 #define BTIF_DM_DEFAULT_INQ_MAX_DURATION 10
     91 #define BTIF_DM_MAX_SDP_ATTEMPTS_AFTER_PAIRING 2
     92 
     93 #define NUM_TIMEOUT_RETRIES 5
     94 
     95 #define PROPERTY_PRODUCT_MODEL "ro.product.model"
     96 #define DEFAULT_LOCAL_NAME_MAX 31
     97 #if (DEFAULT_LOCAL_NAME_MAX > BTM_MAX_LOC_BD_NAME_LEN)
     98 #error "default btif local name size exceeds stack supported length"
     99 #endif
    100 
    101 #if (BTA_HOST_INTERLEAVE_SEARCH == TRUE)
    102 #define BTIF_DM_INTERLEAVE_DURATION_BR_ONE 2
    103 #define BTIF_DM_INTERLEAVE_DURATION_LE_ONE 2
    104 #define BTIF_DM_INTERLEAVE_DURATION_BR_TWO 3
    105 #define BTIF_DM_INTERLEAVE_DURATION_LE_TWO 4
    106 #endif
    107 
    108 #define ENCRYPTED_BREDR 2
    109 #define ENCRYPTED_LE 4
    110 
    111 typedef struct {
    112   bt_bond_state_t state;
    113   bt_bdaddr_t static_bdaddr;
    114   BD_ADDR bd_addr;
    115   tBTM_BOND_TYPE bond_type;
    116   uint8_t pin_code_len;
    117   uint8_t is_ssp;
    118   uint8_t auth_req;
    119   uint8_t io_cap;
    120   uint8_t autopair_attempts;
    121   uint8_t timeout_retries;
    122   uint8_t is_local_initiated;
    123   uint8_t sdp_attempts;
    124   bool is_le_only;
    125   bool is_le_nc; /* LE Numeric comparison */
    126   btif_dm_ble_cb_t ble;
    127 } btif_dm_pairing_cb_t;
    128 
    129 typedef struct {
    130   uint8_t ir[BT_OCTET16_LEN];
    131   uint8_t irk[BT_OCTET16_LEN];
    132   uint8_t dhk[BT_OCTET16_LEN];
    133 } btif_dm_local_key_id_t;
    134 
    135 typedef struct {
    136   bool is_er_rcvd;
    137   uint8_t er[BT_OCTET16_LEN];
    138   bool is_id_keys_rcvd;
    139   btif_dm_local_key_id_t id_keys; /* ID kyes */
    140 
    141 } btif_dm_local_key_cb_t;
    142 
    143 typedef struct {
    144   BD_ADDR bd_addr;
    145   BD_NAME bd_name;
    146 } btif_dm_remote_name_t;
    147 
    148 /* this structure holds optional OOB data for remote device */
    149 typedef struct {
    150   BD_ADDR bdaddr; /* peer bdaddr */
    151   bt_out_of_band_data_t oob_data;
    152 } btif_dm_oob_cb_t;
    153 
    154 typedef struct {
    155   bt_bdaddr_t bdaddr;
    156   uint8_t transport; /* 0=Unknown, 1=BR/EDR, 2=LE */
    157 } btif_dm_create_bond_cb_t;
    158 
    159 typedef struct {
    160   uint8_t status;
    161   uint8_t ctrl_state;
    162   uint64_t tx_time;
    163   uint64_t rx_time;
    164   uint64_t idle_time;
    165   uint64_t energy_used;
    166 } btif_activity_energy_info_cb_t;
    167 
    168 typedef struct { unsigned int manufact_id; } skip_sdp_entry_t;
    169 
    170 typedef enum {
    171   BTIF_DM_FUNC_CREATE_BOND,
    172   BTIF_DM_FUNC_CANCEL_BOND,
    173   BTIF_DM_FUNC_REMOVE_BOND,
    174   BTIF_DM_FUNC_BOND_STATE_CHANGED,
    175 } bt_bond_function_t;
    176 
    177 typedef struct {
    178   bt_bdaddr_t bd_addr;
    179   bt_bond_function_t function;
    180   bt_bond_state_t state;
    181   struct timespec timestamp;
    182 } btif_bond_event_t;
    183 
    184 #define BTA_SERVICE_ID_TO_SERVICE_MASK(id) (1 << (id))
    185 
    186 #define UUID_HUMAN_INTERFACE_DEVICE "00001124-0000-1000-8000-00805f9b34fb"
    187 
    188 #define MAX_BTIF_BOND_EVENT_ENTRIES 15
    189 
    190 static skip_sdp_entry_t sdp_blacklist[] = {{76}};  // Apple Mouse and Keyboard
    191 
    192 /* This flag will be true if HCI_Inquiry is in progress */
    193 static bool btif_dm_inquiry_in_progress = false;
    194 
    195 /*******************************************************************************
    196  *  Static variables
    197  ******************************************************************************/
    198 static char btif_default_local_name[DEFAULT_LOCAL_NAME_MAX + 1] = {'\0'};
    199 static uid_set_t* uid_set = NULL;
    200 
    201 /* A circular array to keep track of the most recent bond events */
    202 static btif_bond_event_t btif_dm_bond_events[MAX_BTIF_BOND_EVENT_ENTRIES + 1];
    203 
    204 static std::mutex bond_event_lock;
    205 
    206 /* |btif_num_bond_events| keeps track of the total number of events and can be
    207    greater than |MAX_BTIF_BOND_EVENT_ENTRIES| */
    208 static size_t btif_num_bond_events = 0;
    209 static size_t btif_events_start_index = 0;
    210 static size_t btif_events_end_index = 0;
    211 
    212 /******************************************************************************
    213  *  Static functions
    214  *****************************************************************************/
    215 static btif_dm_pairing_cb_t pairing_cb;
    216 static btif_dm_oob_cb_t oob_cb;
    217 static void btif_dm_generic_evt(uint16_t event, char* p_param);
    218 static void btif_dm_cb_create_bond(bt_bdaddr_t* bd_addr,
    219                                    tBTA_TRANSPORT transport);
    220 static void btif_dm_cb_hid_remote_name(tBTM_REMOTE_DEV_NAME* p_remote_name);
    221 static void btif_update_remote_properties(BD_ADDR bd_addr, BD_NAME bd_name,
    222                                           DEV_CLASS dev_class,
    223                                           tBT_DEVICE_TYPE dev_type);
    224 static btif_dm_local_key_cb_t ble_local_key_cb;
    225 static void btif_dm_ble_key_notif_evt(tBTA_DM_SP_KEY_NOTIF* p_ssp_key_notif);
    226 static void btif_dm_ble_auth_cmpl_evt(tBTA_DM_AUTH_CMPL* p_auth_cmpl);
    227 static void btif_dm_ble_passkey_req_evt(tBTA_DM_PIN_REQ* p_pin_req);
    228 static void btif_dm_ble_key_nc_req_evt(tBTA_DM_SP_KEY_NOTIF* p_notif_req);
    229 static void btif_dm_ble_oob_req_evt(tBTA_DM_SP_RMT_OOB* req_oob_type);
    230 static void btif_dm_ble_sc_oob_req_evt(tBTA_DM_SP_RMT_OOB* req_oob_type);
    231 
    232 static void bte_scan_filt_param_cfg_evt(uint8_t action_type, uint8_t avbl_space,
    233                                         uint8_t ref_value, uint8_t status);
    234 
    235 static char* btif_get_default_local_name();
    236 
    237 static void btif_stats_add_bond_event(const bt_bdaddr_t* bd_addr,
    238                                       bt_bond_function_t function,
    239                                       bt_bond_state_t state);
    240 
    241 /******************************************************************************
    242  *  Externs
    243  *****************************************************************************/
    244 extern bt_status_t btif_hf_execute_service(bool b_enable);
    245 extern bt_status_t btif_av_execute_service(bool b_enable);
    246 extern bt_status_t btif_av_sink_execute_service(bool b_enable);
    247 extern bt_status_t btif_hh_execute_service(bool b_enable);
    248 extern bt_status_t btif_hf_client_execute_service(bool b_enable);
    249 extern bt_status_t btif_sdp_execute_service(bool b_enable);
    250 extern int btif_hh_connect(bt_bdaddr_t* bd_addr);
    251 extern void bta_gatt_convert_uuid16_to_uuid128(uint8_t uuid_128[LEN_UUID_128],
    252                                                uint16_t uuid_16);
    253 extern void btif_av_move_idle(bt_bdaddr_t bd_addr);
    254 extern bt_status_t btif_hd_execute_service(bool b_enable);
    255 
    256 /******************************************************************************
    257  *  Functions
    258  *****************************************************************************/
    259 
    260 static bool is_empty_128bit(uint8_t* data) {
    261   static const uint8_t zero[16] = {0};
    262   return !memcmp(zero, data, sizeof(zero));
    263 }
    264 
    265 static void btif_dm_data_copy(uint16_t event, char* dst, char* src) {
    266   tBTA_DM_SEC* dst_dm_sec = (tBTA_DM_SEC*)dst;
    267   tBTA_DM_SEC* src_dm_sec = (tBTA_DM_SEC*)src;
    268 
    269   if (!src_dm_sec) return;
    270 
    271   CHECK(dst_dm_sec);
    272   maybe_non_aligned_memcpy(dst_dm_sec, src_dm_sec, sizeof(*src_dm_sec));
    273 
    274   if (event == BTA_DM_BLE_KEY_EVT) {
    275     dst_dm_sec->ble_key.p_key_value =
    276         (tBTM_LE_KEY_VALUE*)osi_malloc(sizeof(tBTM_LE_KEY_VALUE));
    277     CHECK(src_dm_sec->ble_key.p_key_value);
    278     memcpy(dst_dm_sec->ble_key.p_key_value, src_dm_sec->ble_key.p_key_value,
    279            sizeof(tBTM_LE_KEY_VALUE));
    280   }
    281 }
    282 
    283 static void btif_dm_data_free(uint16_t event, tBTA_DM_SEC* dm_sec) {
    284   if (event == BTA_DM_BLE_KEY_EVT)
    285     osi_free_and_reset((void**)&dm_sec->ble_key.p_key_value);
    286 }
    287 
    288 void btif_dm_init(uid_set_t* set) { uid_set = set; }
    289 
    290 void btif_dm_cleanup(void) {
    291   if (uid_set) {
    292     uid_set_destroy(uid_set);
    293     uid_set = NULL;
    294   }
    295 }
    296 
    297 bt_status_t btif_in_execute_service_request(tBTA_SERVICE_ID service_id,
    298                                             bool b_enable) {
    299   BTIF_TRACE_DEBUG("%s service_id: %d", __func__, service_id);
    300   /* Check the service_ID and invoke the profile's BT state changed API */
    301   switch (service_id) {
    302     case BTA_HFP_SERVICE_ID:
    303     case BTA_HSP_SERVICE_ID: {
    304       btif_hf_execute_service(b_enable);
    305     } break;
    306     case BTA_A2DP_SOURCE_SERVICE_ID: {
    307       btif_av_execute_service(b_enable);
    308     } break;
    309     case BTA_A2DP_SINK_SERVICE_ID: {
    310       btif_av_sink_execute_service(b_enable);
    311     } break;
    312     case BTA_HID_SERVICE_ID: {
    313       btif_hh_execute_service(b_enable);
    314     } break;
    315     case BTA_HFP_HS_SERVICE_ID: {
    316       btif_hf_client_execute_service(b_enable);
    317     } break;
    318     case BTA_SDP_SERVICE_ID: {
    319       btif_sdp_execute_service(b_enable);
    320     } break;
    321     case BTA_HIDD_SERVICE_ID: {
    322       btif_hd_execute_service(b_enable);
    323     } break;
    324     default:
    325       BTIF_TRACE_ERROR("%s: Unknown service %d being %s", __func__, service_id,
    326                        (b_enable) ? "enabled" : "disabled");
    327       return BT_STATUS_FAIL;
    328   }
    329   return BT_STATUS_SUCCESS;
    330 }
    331 
    332 /*******************************************************************************
    333  *
    334  * Function         check_eir_remote_name
    335  *
    336  * Description      Check if remote name is in the EIR data
    337  *
    338  * Returns          true if remote name found
    339  *                  Populate p_remote_name, if provided and remote name found
    340  *
    341  ******************************************************************************/
    342 static bool check_eir_remote_name(tBTA_DM_SEARCH* p_search_data,
    343                                   uint8_t* p_remote_name,
    344                                   uint8_t* p_remote_name_len) {
    345   const uint8_t* p_eir_remote_name = NULL;
    346   uint8_t remote_name_len = 0;
    347 
    348   /* Check EIR for remote name and services */
    349   if (p_search_data->inq_res.p_eir) {
    350     p_eir_remote_name = AdvertiseDataParser::GetFieldByType(
    351         p_search_data->inq_res.p_eir, p_search_data->inq_res.eir_len,
    352         BTM_EIR_COMPLETE_LOCAL_NAME_TYPE, &remote_name_len);
    353     if (!p_eir_remote_name) {
    354       p_eir_remote_name = AdvertiseDataParser::GetFieldByType(
    355           p_search_data->inq_res.p_eir, p_search_data->inq_res.eir_len,
    356           BTM_EIR_SHORTENED_LOCAL_NAME_TYPE, &remote_name_len);
    357     }
    358 
    359     if (p_eir_remote_name) {
    360       if (remote_name_len > BD_NAME_LEN) remote_name_len = BD_NAME_LEN;
    361 
    362       if (p_remote_name && p_remote_name_len) {
    363         memcpy(p_remote_name, p_eir_remote_name, remote_name_len);
    364         *(p_remote_name + remote_name_len) = 0;
    365         *p_remote_name_len = remote_name_len;
    366       }
    367 
    368       return true;
    369     }
    370   }
    371 
    372   return false;
    373 }
    374 
    375 /*******************************************************************************
    376  *
    377  * Function         check_cached_remote_name
    378  *
    379  * Description      Check if remote name is in the NVRAM cache
    380  *
    381  * Returns          true if remote name found
    382  *                  Populate p_remote_name, if provided and remote name found
    383  *
    384  ******************************************************************************/
    385 static bool check_cached_remote_name(tBTA_DM_SEARCH* p_search_data,
    386                                      uint8_t* p_remote_name,
    387                                      uint8_t* p_remote_name_len) {
    388   bt_bdname_t bdname;
    389   bt_bdaddr_t remote_bdaddr;
    390   bt_property_t prop_name;
    391 
    392   /* check if we already have it in our btif_storage cache */
    393   bdcpy(remote_bdaddr.address, p_search_data->inq_res.bd_addr);
    394   BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_BDNAME,
    395                              sizeof(bt_bdname_t), &bdname);
    396   if (btif_storage_get_remote_device_property(&remote_bdaddr, &prop_name) ==
    397       BT_STATUS_SUCCESS) {
    398     if (p_remote_name && p_remote_name_len) {
    399       strcpy((char*)p_remote_name, (char*)bdname.name);
    400       *p_remote_name_len = strlen((char*)p_remote_name);
    401     }
    402     return true;
    403   }
    404 
    405   return false;
    406 }
    407 
    408 static uint32_t get_cod(const bt_bdaddr_t* remote_bdaddr) {
    409   uint32_t remote_cod;
    410   bt_property_t prop_name;
    411 
    412   /* check if we already have it in our btif_storage cache */
    413   BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_CLASS_OF_DEVICE,
    414                              sizeof(uint32_t), &remote_cod);
    415   if (btif_storage_get_remote_device_property(
    416           (bt_bdaddr_t*)remote_bdaddr, &prop_name) == BT_STATUS_SUCCESS) {
    417     LOG_INFO(LOG_TAG, "%s remote_cod = 0x%08x", __func__, remote_cod);
    418     return remote_cod & COD_MASK;
    419   }
    420 
    421   return 0;
    422 }
    423 
    424 bool check_cod(const bt_bdaddr_t* remote_bdaddr, uint32_t cod) {
    425   return get_cod(remote_bdaddr) == cod;
    426 }
    427 
    428 bool check_cod_hid(const bt_bdaddr_t* remote_bdaddr) {
    429   return (get_cod(remote_bdaddr) & COD_HID_MASK) == COD_HID_MAJOR;
    430 }
    431 
    432 bool check_hid_le(const bt_bdaddr_t* remote_bdaddr) {
    433   uint32_t remote_dev_type;
    434   bt_property_t prop_name;
    435 
    436   /* check if we already have it in our btif_storage cache */
    437   BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_TYPE_OF_DEVICE,
    438                              sizeof(uint32_t), &remote_dev_type);
    439   if (btif_storage_get_remote_device_property(
    440           (bt_bdaddr_t*)remote_bdaddr, &prop_name) == BT_STATUS_SUCCESS) {
    441     if (remote_dev_type == BT_DEVICE_DEVTYPE_BLE) {
    442       bdstr_t bdstr;
    443       bdaddr_to_string(remote_bdaddr, bdstr, sizeof(bdstr));
    444       if (btif_config_exist(bdstr, "HidAppId")) return true;
    445     }
    446   }
    447   return false;
    448 }
    449 
    450 /*****************************************************************************
    451  *
    452  * Function        check_sdp_bl
    453  *
    454  * Description     Checks if a given device is blacklisted to skip sdp
    455  *
    456  * Parameters     skip_sdp_entry
    457  *
    458  * Returns         true if the device is present in blacklist, else false
    459  *
    460  ******************************************************************************/
    461 bool check_sdp_bl(const bt_bdaddr_t* remote_bdaddr) {
    462   uint16_t manufacturer = 0;
    463   uint8_t lmp_ver = 0;
    464   uint16_t lmp_subver = 0;
    465   bt_property_t prop_name;
    466   bt_remote_version_t info;
    467 
    468   if (remote_bdaddr == NULL) return false;
    469 
    470   /* fetch additional info about remote device used in iop query */
    471   BTM_ReadRemoteVersion(*(BD_ADDR*)remote_bdaddr, &lmp_ver, &manufacturer,
    472                         &lmp_subver);
    473 
    474   /* if not available yet, try fetching from config database */
    475   BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_REMOTE_VERSION_INFO,
    476                              sizeof(bt_remote_version_t), &info);
    477 
    478   if (btif_storage_get_remote_device_property(
    479           (bt_bdaddr_t*)remote_bdaddr, &prop_name) != BT_STATUS_SUCCESS) {
    480     return false;
    481   }
    482   manufacturer = info.manufacturer;
    483 
    484   for (unsigned int i = 0; i < ARRAY_SIZE(sdp_blacklist); i++) {
    485     if (manufacturer == sdp_blacklist[i].manufact_id) return true;
    486   }
    487   return false;
    488 }
    489 
    490 static void bond_state_changed(bt_status_t status, bt_bdaddr_t* bd_addr,
    491                                bt_bond_state_t state) {
    492   btif_stats_add_bond_event(bd_addr, BTIF_DM_FUNC_BOND_STATE_CHANGED, state);
    493 
    494   // Send bonding state only once - based on outgoing/incoming we may receive
    495   // duplicates
    496   if ((pairing_cb.state == state) && (state == BT_BOND_STATE_BONDING)) {
    497     // Cross key pairing so send callback for static address
    498     if (!bdaddr_is_empty(&pairing_cb.static_bdaddr)) {
    499       HAL_CBACK(bt_hal_cbacks, bond_state_changed_cb, status, bd_addr, state);
    500     }
    501     return;
    502   }
    503 
    504   if (pairing_cb.bond_type == BOND_TYPE_TEMPORARY) state = BT_BOND_STATE_NONE;
    505 
    506   BTIF_TRACE_DEBUG("%s: state=%d, prev_state=%d, sdp_attempts = %d", __func__,
    507                    state, pairing_cb.state, pairing_cb.sdp_attempts);
    508 
    509   HAL_CBACK(bt_hal_cbacks, bond_state_changed_cb, status, bd_addr, state);
    510 
    511   if (state == BT_BOND_STATE_BONDING) {
    512     pairing_cb.state = state;
    513     bdcpy(pairing_cb.bd_addr, bd_addr->address);
    514   } else {
    515     if (!pairing_cb.sdp_attempts)
    516       memset(&pairing_cb, 0, sizeof(pairing_cb));
    517     else
    518       BTIF_TRACE_DEBUG("%s: BR-EDR service discovery active", __func__);
    519   }
    520 }
    521 
    522 /* store remote version in bt config to always have access
    523    to it post pairing*/
    524 static void btif_update_remote_version_property(bt_bdaddr_t* p_bd) {
    525   bt_property_t property;
    526   uint8_t lmp_ver = 0;
    527   uint16_t lmp_subver = 0;
    528   uint16_t mfct_set = 0;
    529   tBTM_STATUS btm_status;
    530   bt_remote_version_t info;
    531   bt_status_t status;
    532   bdstr_t bdstr;
    533 
    534   btm_status =
    535       BTM_ReadRemoteVersion(*(BD_ADDR*)p_bd, &lmp_ver, &mfct_set, &lmp_subver);
    536 
    537   LOG_DEBUG(LOG_TAG, "remote version info [%s]: %x, %x, %x",
    538             bdaddr_to_string(p_bd, bdstr, sizeof(bdstr)), lmp_ver, mfct_set,
    539             lmp_subver);
    540 
    541   if (btm_status == BTM_SUCCESS) {
    542     // Always update cache to ensure we have availability whenever BTM API is
    543     // not populated
    544     info.manufacturer = mfct_set;
    545     info.sub_ver = lmp_subver;
    546     info.version = lmp_ver;
    547     BTIF_STORAGE_FILL_PROPERTY(&property, BT_PROPERTY_REMOTE_VERSION_INFO,
    548                                sizeof(bt_remote_version_t), &info);
    549     status = btif_storage_set_remote_device_property(p_bd, &property);
    550     ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote version",
    551             status);
    552   }
    553 }
    554 
    555 static void btif_update_remote_properties(BD_ADDR bd_addr, BD_NAME bd_name,
    556                                           DEV_CLASS dev_class,
    557                                           tBT_DEVICE_TYPE device_type) {
    558   int num_properties = 0;
    559   bt_property_t properties[3];
    560   bt_bdaddr_t bdaddr;
    561   bt_status_t status;
    562   uint32_t cod;
    563   bt_device_type_t dev_type;
    564 
    565   memset(properties, 0, sizeof(properties));
    566   bdcpy(bdaddr.address, bd_addr);
    567 
    568   /* remote name */
    569   if (strlen((const char*)bd_name)) {
    570     BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties], BT_PROPERTY_BDNAME,
    571                                strlen((char*)bd_name), bd_name);
    572     status = btif_storage_set_remote_device_property(
    573         &bdaddr, &properties[num_properties]);
    574     ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote device name",
    575             status);
    576     num_properties++;
    577   }
    578 
    579   /* class of device */
    580   cod = devclass2uint(dev_class);
    581   BTIF_TRACE_DEBUG("%s cod is 0x%06x", __func__, cod);
    582   if (cod == 0) {
    583     /* Try to retrieve cod from storage */
    584     BTIF_TRACE_DEBUG("%s cod is 0, checking cod from storage", __func__);
    585     BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
    586                                BT_PROPERTY_CLASS_OF_DEVICE, sizeof(cod), &cod);
    587     status = btif_storage_get_remote_device_property(
    588         &bdaddr, &properties[num_properties]);
    589     BTIF_TRACE_DEBUG("%s cod retrieved from storage is 0x%06x", __func__, cod);
    590     if (cod == 0) {
    591       BTIF_TRACE_DEBUG("%s cod is again 0, set as unclassified", __func__);
    592       cod = COD_UNCLASSIFIED;
    593     }
    594   }
    595 
    596   BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
    597                              BT_PROPERTY_CLASS_OF_DEVICE, sizeof(cod), &cod);
    598   status = btif_storage_set_remote_device_property(&bdaddr,
    599                                                    &properties[num_properties]);
    600   ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote device class",
    601           status);
    602   num_properties++;
    603 
    604   /* device type */
    605   bt_property_t prop_name;
    606   uint8_t remote_dev_type;
    607   BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_TYPE_OF_DEVICE,
    608                              sizeof(uint8_t), &remote_dev_type);
    609   if (btif_storage_get_remote_device_property(&bdaddr, &prop_name) ==
    610       BT_STATUS_SUCCESS)
    611     dev_type = (bt_device_type_t)(remote_dev_type | device_type);
    612   else
    613     dev_type = (bt_device_type_t)device_type;
    614 
    615   BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
    616                              BT_PROPERTY_TYPE_OF_DEVICE, sizeof(dev_type),
    617                              &dev_type);
    618   status = btif_storage_set_remote_device_property(&bdaddr,
    619                                                    &properties[num_properties]);
    620   ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote device type",
    621           status);
    622   num_properties++;
    623 
    624   HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, status, &bdaddr,
    625             num_properties, properties);
    626 }
    627 
    628 /*******************************************************************************
    629  *
    630  * Function         btif_dm_cb_hid_remote_name
    631  *
    632  * Description      Remote name callback for HID device. Called in btif context
    633  *                  Special handling for HID devices
    634  *
    635  * Returns          void
    636  *
    637  ******************************************************************************/
    638 static void btif_dm_cb_hid_remote_name(tBTM_REMOTE_DEV_NAME* p_remote_name) {
    639   BTIF_TRACE_DEBUG("%s: status=%d pairing_cb.state=%d", __func__,
    640                    p_remote_name->status, pairing_cb.state);
    641   if (pairing_cb.state == BT_BOND_STATE_BONDING) {
    642     bt_bdaddr_t remote_bd;
    643 
    644     bdcpy(remote_bd.address, pairing_cb.bd_addr);
    645 
    646     if (p_remote_name->status == BTM_SUCCESS) {
    647       bond_state_changed(BT_STATUS_SUCCESS, &remote_bd, BT_BOND_STATE_BONDED);
    648     } else
    649       bond_state_changed(BT_STATUS_FAIL, &remote_bd, BT_BOND_STATE_NONE);
    650   }
    651 }
    652 
    653 /*******************************************************************************
    654  *
    655  * Function         btif_dm_cb_create_bond
    656  *
    657  * Description      Create bond initiated from the BTIF thread context
    658  *                  Special handling for HID devices
    659  *
    660  * Returns          void
    661  *
    662  ******************************************************************************/
    663 static void btif_dm_cb_create_bond(bt_bdaddr_t* bd_addr,
    664                                    tBTA_TRANSPORT transport) {
    665   bool is_hid = check_cod(bd_addr, COD_HID_POINTING);
    666   bond_state_changed(BT_STATUS_SUCCESS, bd_addr, BT_BOND_STATE_BONDING);
    667 
    668   int device_type;
    669   int addr_type;
    670   bdstr_t bdstr;
    671   bdaddr_to_string(bd_addr, bdstr, sizeof(bdstr));
    672   if (transport == BT_TRANSPORT_LE) {
    673     if (!btif_config_get_int((char const*)&bdstr, "DevType", &device_type)) {
    674       btif_config_set_int(bdstr, "DevType", BT_DEVICE_TYPE_BLE);
    675     }
    676     if (btif_storage_get_remote_addr_type(bd_addr, &addr_type) !=
    677         BT_STATUS_SUCCESS) {
    678       // Try to read address type. OOB pairing might have set it earlier, but
    679       // didn't store it, it defaults to BLE_ADDR_PUBLIC
    680       uint8_t tmp_dev_type;
    681       uint8_t tmp_addr_type;
    682       BTM_ReadDevInfo(bd_addr->address, &tmp_dev_type, &tmp_addr_type);
    683       addr_type = tmp_addr_type;
    684 
    685       btif_storage_set_remote_addr_type(bd_addr, addr_type);
    686     }
    687   }
    688   if ((btif_config_get_int((char const*)&bdstr, "DevType", &device_type) &&
    689        (btif_storage_get_remote_addr_type(bd_addr, &addr_type) ==
    690         BT_STATUS_SUCCESS) &&
    691        (device_type & BT_DEVICE_TYPE_BLE) == BT_DEVICE_TYPE_BLE) ||
    692       (transport == BT_TRANSPORT_LE)) {
    693     BTA_DmAddBleDevice(bd_addr->address, addr_type, device_type);
    694   }
    695 
    696   if (is_hid && (device_type & BT_DEVICE_TYPE_BLE) == 0) {
    697     bt_status_t status;
    698     status = (bt_status_t)btif_hh_connect(bd_addr);
    699     if (status != BT_STATUS_SUCCESS)
    700       bond_state_changed(status, bd_addr, BT_BOND_STATE_NONE);
    701   } else {
    702     BTA_DmBondByTransport((uint8_t*)bd_addr->address, transport);
    703   }
    704   /*  Track  originator of bond creation  */
    705   pairing_cb.is_local_initiated = true;
    706 }
    707 
    708 /*******************************************************************************
    709  *
    710  * Function         btif_dm_cb_remove_bond
    711  *
    712  * Description      remove bond initiated from the BTIF thread context
    713  *                  Special handling for HID devices
    714  *
    715  * Returns          void
    716  *
    717  ******************************************************************************/
    718 void btif_dm_cb_remove_bond(bt_bdaddr_t* bd_addr) {
    719 /*special handling for HID devices */
    720 /*  VUP needs to be sent if its a HID Device. The HID HOST module will check if
    721 there
    722 is a valid hid connection with this bd_addr. If yes VUP will be issued.*/
    723 #if (BTA_HH_INCLUDED == TRUE)
    724   if (btif_hh_virtual_unplug(bd_addr) != BT_STATUS_SUCCESS)
    725 #endif
    726   {
    727     BTIF_TRACE_DEBUG("%s: Removing HH device", __func__);
    728     BTA_DmRemoveDevice((uint8_t*)bd_addr->address);
    729   }
    730 }
    731 
    732 /*******************************************************************************
    733  *
    734  * Function         btif_dm_get_connection_state
    735  *
    736  * Description      Returns whether the remote device is currently connected
    737  *                  and whether encryption is active for the connection
    738  *
    739  * Returns          0 if not connected; 1 if connected and > 1 if connection is
    740  *                  encrypted
    741  *
    742  ******************************************************************************/
    743 uint16_t btif_dm_get_connection_state(const bt_bdaddr_t* bd_addr) {
    744   uint8_t* bda = (uint8_t*)bd_addr->address;
    745   uint16_t rc = BTA_DmGetConnectionState(bda);
    746 
    747   if (rc != 0) {
    748     uint8_t flags = 0;
    749 
    750     BTM_GetSecurityFlagsByTransport(bda, &flags, BT_TRANSPORT_BR_EDR);
    751     BTIF_TRACE_DEBUG("%s: security flags (BR/EDR)=0x%02x", __func__, flags);
    752     if (flags & BTM_SEC_FLAG_ENCRYPTED) rc |= ENCRYPTED_BREDR;
    753 
    754     BTM_GetSecurityFlagsByTransport(bda, &flags, BT_TRANSPORT_LE);
    755     BTIF_TRACE_DEBUG("%s: security flags (LE)=0x%02x", __func__, flags);
    756     if (flags & BTM_SEC_FLAG_ENCRYPTED) rc |= ENCRYPTED_LE;
    757   }
    758 
    759   return rc;
    760 }
    761 
    762 /*******************************************************************************
    763  *
    764  * Function         search_devices_copy_cb
    765  *
    766  * Description      Deep copy callback for search devices event
    767  *
    768  * Returns          void
    769  *
    770  ******************************************************************************/
    771 static void search_devices_copy_cb(uint16_t event, char* p_dest, char* p_src) {
    772   tBTA_DM_SEARCH* p_dest_data = (tBTA_DM_SEARCH*)p_dest;
    773   tBTA_DM_SEARCH* p_src_data = (tBTA_DM_SEARCH*)p_src;
    774 
    775   if (!p_src) return;
    776 
    777   BTIF_TRACE_DEBUG("%s: event=%s", __func__, dump_dm_search_event(event));
    778   maybe_non_aligned_memcpy(p_dest_data, p_src_data, sizeof(*p_src_data));
    779   switch (event) {
    780     case BTA_DM_INQ_RES_EVT: {
    781       if (p_src_data->inq_res.p_eir) {
    782         p_dest_data->inq_res.p_eir =
    783             (uint8_t*)(p_dest + sizeof(tBTA_DM_SEARCH));
    784         memcpy(p_dest_data->inq_res.p_eir, p_src_data->inq_res.p_eir,
    785                p_src_data->inq_res.eir_len);
    786         p_dest_data->inq_res.eir_len = p_src_data->inq_res.eir_len;
    787       }
    788     } break;
    789 
    790     case BTA_DM_DISC_RES_EVT: {
    791       if (p_src_data->disc_res.raw_data_size &&
    792           p_src_data->disc_res.p_raw_data) {
    793         p_dest_data->disc_res.p_raw_data =
    794             (uint8_t*)(p_dest + sizeof(tBTA_DM_SEARCH));
    795         memcpy(p_dest_data->disc_res.p_raw_data,
    796                p_src_data->disc_res.p_raw_data,
    797                p_src_data->disc_res.raw_data_size);
    798       }
    799     } break;
    800   }
    801 }
    802 
    803 static void search_services_copy_cb(uint16_t event, char* p_dest, char* p_src) {
    804   tBTA_DM_SEARCH* p_dest_data = (tBTA_DM_SEARCH*)p_dest;
    805   tBTA_DM_SEARCH* p_src_data = (tBTA_DM_SEARCH*)p_src;
    806 
    807   if (!p_src) return;
    808   maybe_non_aligned_memcpy(p_dest_data, p_src_data, sizeof(*p_src_data));
    809   switch (event) {
    810     case BTA_DM_DISC_RES_EVT: {
    811       if (p_src_data->disc_res.result == BTA_SUCCESS) {
    812         if (p_src_data->disc_res.num_uuids > 0) {
    813           p_dest_data->disc_res.p_uuid_list =
    814               (uint8_t*)(p_dest + sizeof(tBTA_DM_SEARCH));
    815           memcpy(p_dest_data->disc_res.p_uuid_list,
    816                  p_src_data->disc_res.p_uuid_list,
    817                  p_src_data->disc_res.num_uuids * MAX_UUID_SIZE);
    818           osi_free_and_reset((void**)&p_src_data->disc_res.p_uuid_list);
    819         }
    820         osi_free_and_reset((void**)&p_src_data->disc_res.p_raw_data);
    821       }
    822     } break;
    823   }
    824 }
    825 /******************************************************************************
    826  *
    827  *  BTIF DM callback events
    828  *
    829  ****************************************************************************/
    830 
    831 /*******************************************************************************
    832  *
    833  * Function         btif_dm_pin_req_evt
    834  *
    835  * Description      Executes pin request event in btif context
    836  *
    837  * Returns          void
    838  *
    839  ******************************************************************************/
    840 static void btif_dm_pin_req_evt(tBTA_DM_PIN_REQ* p_pin_req) {
    841   bt_bdaddr_t bd_addr;
    842   bt_bdname_t bd_name;
    843   uint32_t cod;
    844   bt_pin_code_t pin_code;
    845   int dev_type;
    846 
    847   /* Remote properties update */
    848   if (!btif_get_device_type(p_pin_req->bd_addr, &dev_type)) {
    849     dev_type = BT_DEVICE_TYPE_BREDR;
    850   }
    851   btif_update_remote_properties(p_pin_req->bd_addr, p_pin_req->bd_name,
    852                                 p_pin_req->dev_class,
    853                                 (tBT_DEVICE_TYPE)dev_type);
    854 
    855   bdcpy(bd_addr.address, p_pin_req->bd_addr);
    856   memcpy(bd_name.name, p_pin_req->bd_name, BD_NAME_LEN);
    857 
    858   bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
    859 
    860   cod = devclass2uint(p_pin_req->dev_class);
    861 
    862   if (cod == 0) {
    863     BTIF_TRACE_DEBUG("%s cod is 0, set as unclassified", __func__);
    864     cod = COD_UNCLASSIFIED;
    865   }
    866 
    867   /* check for auto pair possiblity only if bond was initiated by local device
    868    */
    869   if (pairing_cb.is_local_initiated && (p_pin_req->min_16_digit == false)) {
    870     if (check_cod(&bd_addr, COD_AV_HEADSETS) ||
    871         check_cod(&bd_addr, COD_AV_HEADPHONES) ||
    872         check_cod(&bd_addr, COD_AV_PORTABLE_AUDIO) ||
    873         check_cod(&bd_addr, COD_AV_HIFI_AUDIO) ||
    874         check_cod(&bd_addr, COD_HID_POINTING)) {
    875       /*  Check if this device can be auto paired  */
    876       if (!interop_match_addr(INTEROP_DISABLE_AUTO_PAIRING, &bd_addr) &&
    877           !interop_match_name(INTEROP_DISABLE_AUTO_PAIRING,
    878                               (const char*)bd_name.name) &&
    879           (pairing_cb.autopair_attempts == 0)) {
    880         BTIF_TRACE_DEBUG("%s() Attempting auto pair", __func__);
    881         pin_code.pin[0] = 0x30;
    882         pin_code.pin[1] = 0x30;
    883         pin_code.pin[2] = 0x30;
    884         pin_code.pin[3] = 0x30;
    885 
    886         pairing_cb.autopair_attempts++;
    887         BTA_DmPinReply((uint8_t*)bd_addr.address, true, 4, pin_code.pin);
    888         return;
    889       }
    890     } else if (check_cod(&bd_addr, COD_HID_KEYBOARD) ||
    891                check_cod(&bd_addr, COD_HID_COMBO)) {
    892       if ((interop_match_addr(INTEROP_KEYBOARD_REQUIRES_FIXED_PIN, &bd_addr) ==
    893            true) &&
    894           (pairing_cb.autopair_attempts == 0)) {
    895         BTIF_TRACE_DEBUG("%s() Attempting auto pair", __func__);
    896         pin_code.pin[0] = 0x30;
    897         pin_code.pin[1] = 0x30;
    898         pin_code.pin[2] = 0x30;
    899         pin_code.pin[3] = 0x30;
    900 
    901         pairing_cb.autopair_attempts++;
    902         BTA_DmPinReply((uint8_t*)bd_addr.address, true, 4, pin_code.pin);
    903         return;
    904       }
    905     }
    906   }
    907   HAL_CBACK(bt_hal_cbacks, pin_request_cb, &bd_addr, &bd_name, cod,
    908             p_pin_req->min_16_digit);
    909 }
    910 
    911 /*******************************************************************************
    912  *
    913  * Function         btif_dm_ssp_cfm_req_evt
    914  *
    915  * Description      Executes SSP confirm request event in btif context
    916  *
    917  * Returns          void
    918  *
    919  ******************************************************************************/
    920 static void btif_dm_ssp_cfm_req_evt(tBTA_DM_SP_CFM_REQ* p_ssp_cfm_req) {
    921   bt_bdaddr_t bd_addr;
    922   bt_bdname_t bd_name;
    923   uint32_t cod;
    924   bool is_incoming = !(pairing_cb.state == BT_BOND_STATE_BONDING);
    925   int dev_type;
    926 
    927   BTIF_TRACE_DEBUG("%s", __func__);
    928 
    929   /* Remote properties update */
    930   if (!btif_get_device_type(p_ssp_cfm_req->bd_addr, &dev_type)) {
    931     dev_type = BT_DEVICE_TYPE_BREDR;
    932   }
    933   btif_update_remote_properties(p_ssp_cfm_req->bd_addr, p_ssp_cfm_req->bd_name,
    934                                 p_ssp_cfm_req->dev_class,
    935                                 (tBT_DEVICE_TYPE)dev_type);
    936 
    937   bdcpy(bd_addr.address, p_ssp_cfm_req->bd_addr);
    938   memcpy(bd_name.name, p_ssp_cfm_req->bd_name, BD_NAME_LEN);
    939 
    940   /* Set the pairing_cb based on the local & remote authentication requirements
    941    */
    942   bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
    943 
    944   /* if just_works and bonding bit is not set treat this as temporary */
    945   if (p_ssp_cfm_req->just_works &&
    946       !(p_ssp_cfm_req->loc_auth_req & BTM_AUTH_BONDS) &&
    947       !(p_ssp_cfm_req->rmt_auth_req & BTM_AUTH_BONDS) &&
    948       !(check_cod((bt_bdaddr_t*)&p_ssp_cfm_req->bd_addr, COD_HID_POINTING)))
    949     pairing_cb.bond_type = BOND_TYPE_TEMPORARY;
    950   else
    951     pairing_cb.bond_type = BOND_TYPE_PERSISTENT;
    952 
    953   btm_set_bond_type_dev(p_ssp_cfm_req->bd_addr, pairing_cb.bond_type);
    954 
    955   pairing_cb.is_ssp = true;
    956 
    957   /* If JustWorks auto-accept */
    958   if (p_ssp_cfm_req->just_works) {
    959     /* Pairing consent for JustWorks needed if:
    960      * 1. Incoming (non-temporary) pairing is detected AND
    961      * 2. local IO capabilities are DisplayYesNo AND
    962      * 3. remote IO capabiltiies are DisplayOnly or NoInputNoOutput;
    963      */
    964     if (is_incoming && pairing_cb.bond_type != BOND_TYPE_TEMPORARY &&
    965         ((p_ssp_cfm_req->loc_io_caps == HCI_IO_CAP_DISPLAY_YESNO) &&
    966          (p_ssp_cfm_req->rmt_io_caps == HCI_IO_CAP_DISPLAY_ONLY ||
    967           p_ssp_cfm_req->rmt_io_caps == HCI_IO_CAP_NO_IO))) {
    968       BTIF_TRACE_EVENT(
    969           "%s: User consent needed for incoming pairing request. loc_io_caps: "
    970           "%d, rmt_io_caps: %d",
    971           __func__, p_ssp_cfm_req->loc_io_caps, p_ssp_cfm_req->rmt_io_caps);
    972     } else {
    973       BTIF_TRACE_EVENT("%s: Auto-accept JustWorks pairing", __func__);
    974       btif_dm_ssp_reply(&bd_addr, BT_SSP_VARIANT_CONSENT, true, 0);
    975       return;
    976     }
    977   }
    978 
    979   cod = devclass2uint(p_ssp_cfm_req->dev_class);
    980 
    981   if (cod == 0) {
    982     LOG_DEBUG(LOG_TAG, "%s cod is 0, set as unclassified", __func__);
    983     cod = COD_UNCLASSIFIED;
    984   }
    985 
    986   pairing_cb.sdp_attempts = 0;
    987   HAL_CBACK(bt_hal_cbacks, ssp_request_cb, &bd_addr, &bd_name, cod,
    988             (p_ssp_cfm_req->just_works ? BT_SSP_VARIANT_CONSENT
    989                                        : BT_SSP_VARIANT_PASSKEY_CONFIRMATION),
    990             p_ssp_cfm_req->num_val);
    991 }
    992 
    993 static void btif_dm_ssp_key_notif_evt(tBTA_DM_SP_KEY_NOTIF* p_ssp_key_notif) {
    994   bt_bdaddr_t bd_addr;
    995   bt_bdname_t bd_name;
    996   uint32_t cod;
    997   int dev_type;
    998 
    999   BTIF_TRACE_DEBUG("%s", __func__);
   1000 
   1001   /* Remote properties update */
   1002   if (!btif_get_device_type(p_ssp_key_notif->bd_addr, &dev_type)) {
   1003     dev_type = BT_DEVICE_TYPE_BREDR;
   1004   }
   1005   btif_update_remote_properties(
   1006       p_ssp_key_notif->bd_addr, p_ssp_key_notif->bd_name,
   1007       p_ssp_key_notif->dev_class, (tBT_DEVICE_TYPE)dev_type);
   1008 
   1009   bdcpy(bd_addr.address, p_ssp_key_notif->bd_addr);
   1010   memcpy(bd_name.name, p_ssp_key_notif->bd_name, BD_NAME_LEN);
   1011 
   1012   bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
   1013   pairing_cb.is_ssp = true;
   1014   cod = devclass2uint(p_ssp_key_notif->dev_class);
   1015 
   1016   if (cod == 0) {
   1017     LOG_DEBUG(LOG_TAG, "%s cod is 0, set as unclassified", __func__);
   1018     cod = COD_UNCLASSIFIED;
   1019   }
   1020 
   1021   HAL_CBACK(bt_hal_cbacks, ssp_request_cb, &bd_addr, &bd_name, cod,
   1022             BT_SSP_VARIANT_PASSKEY_NOTIFICATION, p_ssp_key_notif->passkey);
   1023 }
   1024 /*******************************************************************************
   1025  *
   1026  * Function         btif_dm_auth_cmpl_evt
   1027  *
   1028  * Description      Executes authentication complete event in btif context
   1029  *
   1030  * Returns          void
   1031  *
   1032  ******************************************************************************/
   1033 static void btif_dm_auth_cmpl_evt(tBTA_DM_AUTH_CMPL* p_auth_cmpl) {
   1034   /* Save link key, if not temporary */
   1035   bt_bdaddr_t bd_addr;
   1036   bt_status_t status = BT_STATUS_FAIL;
   1037   bt_bond_state_t state = BT_BOND_STATE_NONE;
   1038   bool skip_sdp = false;
   1039 
   1040   BTIF_TRACE_DEBUG("%s: bond state=%d", __func__, pairing_cb.state);
   1041 
   1042   bdcpy(bd_addr.address, p_auth_cmpl->bd_addr);
   1043   if ((p_auth_cmpl->success == true) && (p_auth_cmpl->key_present)) {
   1044     if ((p_auth_cmpl->key_type < HCI_LKEY_TYPE_DEBUG_COMB) ||
   1045         (p_auth_cmpl->key_type == HCI_LKEY_TYPE_AUTH_COMB) ||
   1046         (p_auth_cmpl->key_type == HCI_LKEY_TYPE_CHANGED_COMB) ||
   1047         (p_auth_cmpl->key_type == HCI_LKEY_TYPE_AUTH_COMB_P_256) ||
   1048         pairing_cb.bond_type == BOND_TYPE_PERSISTENT) {
   1049       bt_status_t ret;
   1050       BTIF_TRACE_DEBUG("%s: Storing link key. key_type=0x%x, bond_type=%d",
   1051                        __func__, p_auth_cmpl->key_type, pairing_cb.bond_type);
   1052       ret = btif_storage_add_bonded_device(&bd_addr, p_auth_cmpl->key,
   1053                                            p_auth_cmpl->key_type,
   1054                                            pairing_cb.pin_code_len);
   1055       ASSERTC(ret == BT_STATUS_SUCCESS, "storing link key failed", ret);
   1056     } else {
   1057       BTIF_TRACE_DEBUG(
   1058           "%s: Temporary key. Not storing. key_type=0x%x, bond_type=%d",
   1059           __func__, p_auth_cmpl->key_type, pairing_cb.bond_type);
   1060       if (pairing_cb.bond_type == BOND_TYPE_TEMPORARY) {
   1061         BTIF_TRACE_DEBUG("%s: sending BT_BOND_STATE_NONE for Temp pairing",
   1062                          __func__);
   1063         btif_storage_remove_bonded_device(&bd_addr);
   1064         bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_NONE);
   1065         return;
   1066       }
   1067     }
   1068   }
   1069 
   1070   // We could have received a new link key without going through the pairing
   1071   // flow.  If so, we don't want to perform SDP or any other operations on the
   1072   // authenticated device. Also, make sure that the link key is not derived from
   1073   // secure LTK, because we will need to perform SDP in case of link key
   1074   // derivation to allow bond state change notification for the BR/EDR transport
   1075   // so that the subsequent BR/EDR connections to the remote can use the derived
   1076   // link key.
   1077   if ((bdcmp(p_auth_cmpl->bd_addr, pairing_cb.bd_addr) != 0) &&
   1078       (!pairing_cb.ble.is_penc_key_rcvd)) {
   1079     char address[32];
   1080     bt_bdaddr_t bt_bdaddr;
   1081 
   1082     memcpy(bt_bdaddr.address, p_auth_cmpl->bd_addr, sizeof(bt_bdaddr.address));
   1083     bdaddr_to_string(&bt_bdaddr, address, sizeof(address));
   1084     LOG_INFO(LOG_TAG,
   1085              "%s skipping SDP since we did not initiate pairing to %s.",
   1086              __func__, address);
   1087     return;
   1088   }
   1089 
   1090   // Skip SDP for certain  HID Devices
   1091   if (p_auth_cmpl->success) {
   1092     btif_storage_set_remote_addr_type(&bd_addr, p_auth_cmpl->addr_type);
   1093     btif_update_remote_properties(p_auth_cmpl->bd_addr, p_auth_cmpl->bd_name,
   1094                                   NULL, p_auth_cmpl->dev_type);
   1095     pairing_cb.timeout_retries = 0;
   1096     status = BT_STATUS_SUCCESS;
   1097     state = BT_BOND_STATE_BONDED;
   1098     bdcpy(bd_addr.address, p_auth_cmpl->bd_addr);
   1099 
   1100     if (check_sdp_bl(&bd_addr) && check_cod_hid(&bd_addr)) {
   1101       LOG_WARN(LOG_TAG, "%s:skip SDP", __func__);
   1102       skip_sdp = true;
   1103     }
   1104     if (!pairing_cb.is_local_initiated && skip_sdp) {
   1105       bond_state_changed(status, &bd_addr, state);
   1106 
   1107       LOG_WARN(LOG_TAG, "%s: Incoming HID Connection", __func__);
   1108       bt_property_t prop;
   1109       bt_bdaddr_t bd_addr;
   1110       bt_uuid_t uuid;
   1111       char uuid_str[128] = UUID_HUMAN_INTERFACE_DEVICE;
   1112 
   1113       string_to_uuid(uuid_str, &uuid);
   1114 
   1115       prop.type = BT_PROPERTY_UUIDS;
   1116       prop.val = uuid.uu;
   1117       prop.len = MAX_UUID_SIZE;
   1118 
   1119       /* Send the event to the BTIF */
   1120       HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, BT_STATUS_SUCCESS,
   1121                 &bd_addr, 1, &prop);
   1122     } else {
   1123       bool is_crosskey = false;
   1124       /* If bonded due to cross-key, save the static address too*/
   1125       if (pairing_cb.state == BT_BOND_STATE_BONDING &&
   1126           (bdcmp(p_auth_cmpl->bd_addr, pairing_cb.bd_addr) != 0)) {
   1127         BTIF_TRACE_DEBUG(
   1128             "%s: bonding initiated due to cross key, adding static address",
   1129             __func__);
   1130         bdcpy(pairing_cb.static_bdaddr.address, p_auth_cmpl->bd_addr);
   1131         is_crosskey = true;
   1132       }
   1133       if (!is_crosskey ||
   1134           !(stack_config_get_interface()->get_pts_crosskey_sdp_disable())) {
   1135         // Ensure inquiry is stopped before attempting service discovery
   1136         btif_dm_cancel_discovery();
   1137 
   1138         /* Trigger SDP on the device */
   1139         pairing_cb.sdp_attempts = 1;
   1140         btif_dm_get_remote_services(&bd_addr);
   1141       }
   1142     }
   1143     // Do not call bond_state_changed_cb yet. Wait until remote service
   1144     // discovery is complete
   1145   } else {
   1146     // Map the HCI fail reason  to  bt status
   1147     switch (p_auth_cmpl->fail_reason) {
   1148       case HCI_ERR_PAGE_TIMEOUT:
   1149       case HCI_ERR_LMP_RESPONSE_TIMEOUT:
   1150         if (interop_match_addr(INTEROP_AUTO_RETRY_PAIRING, &bd_addr) &&
   1151             pairing_cb.timeout_retries) {
   1152           BTIF_TRACE_WARNING("%s() - Pairing timeout; retrying (%d) ...",
   1153                              __func__, pairing_cb.timeout_retries);
   1154           --pairing_cb.timeout_retries;
   1155           btif_dm_cb_create_bond(&bd_addr, BTA_TRANSPORT_UNKNOWN);
   1156           return;
   1157         }
   1158       /* Fall-through */
   1159       case HCI_ERR_CONNECTION_TOUT:
   1160         status = BT_STATUS_RMT_DEV_DOWN;
   1161         break;
   1162 
   1163       case HCI_ERR_PAIRING_NOT_ALLOWED:
   1164         btif_storage_remove_bonded_device(&bd_addr);
   1165         status = BT_STATUS_AUTH_REJECTED;
   1166         break;
   1167 
   1168       /* map the auth failure codes, so we can retry pairing if necessary */
   1169       case HCI_ERR_AUTH_FAILURE:
   1170       case HCI_ERR_KEY_MISSING:
   1171         btif_storage_remove_bonded_device(&bd_addr);
   1172       case HCI_ERR_HOST_REJECT_SECURITY:
   1173       case HCI_ERR_ENCRY_MODE_NOT_ACCEPTABLE:
   1174       case HCI_ERR_UNIT_KEY_USED:
   1175       case HCI_ERR_PAIRING_WITH_UNIT_KEY_NOT_SUPPORTED:
   1176       case HCI_ERR_INSUFFCIENT_SECURITY:
   1177       case HCI_ERR_PEER_USER:
   1178       case HCI_ERR_UNSPECIFIED:
   1179         BTIF_TRACE_DEBUG(" %s() Authentication fail reason %d", __func__,
   1180                          p_auth_cmpl->fail_reason);
   1181         if (pairing_cb.autopair_attempts == 1) {
   1182           /* Create the Bond once again */
   1183           BTIF_TRACE_WARNING("%s() auto pair failed. Reinitiate Bond",
   1184                              __func__);
   1185           btif_dm_cb_create_bond(&bd_addr, BTA_TRANSPORT_UNKNOWN);
   1186           return;
   1187         } else {
   1188           /* if autopair attempts are more than 1, or not attempted */
   1189           status = BT_STATUS_AUTH_FAILURE;
   1190         }
   1191         break;
   1192 
   1193       default:
   1194         status = BT_STATUS_FAIL;
   1195     }
   1196     /* Special Handling for HID Devices */
   1197     if (check_cod(&bd_addr, COD_HID_POINTING)) {
   1198       /* Remove Device as bonded in nvram as authentication failed */
   1199       BTIF_TRACE_DEBUG("%s(): removing hid pointing device from nvram",
   1200                        __func__);
   1201       btif_storage_remove_bonded_device(&bd_addr);
   1202     }
   1203     bond_state_changed(status, &bd_addr, state);
   1204   }
   1205 }
   1206 
   1207 /******************************************************************************
   1208  *
   1209  * Function         btif_dm_search_devices_evt
   1210  *
   1211  * Description      Executes search devices callback events in btif context
   1212  *
   1213  * Returns          void
   1214  *
   1215  *****************************************************************************/
   1216 static void btif_dm_search_devices_evt(uint16_t event, char* p_param) {
   1217   tBTA_DM_SEARCH* p_search_data;
   1218   BTIF_TRACE_EVENT("%s event=%s", __func__, dump_dm_search_event(event));
   1219 
   1220   switch (event) {
   1221     case BTA_DM_DISC_RES_EVT: {
   1222       p_search_data = (tBTA_DM_SEARCH*)p_param;
   1223       /* Remote name update */
   1224       if (strlen((const char*)p_search_data->disc_res.bd_name)) {
   1225         bt_property_t properties[1];
   1226         bt_bdaddr_t bdaddr;
   1227         bt_status_t status;
   1228 
   1229         properties[0].type = BT_PROPERTY_BDNAME;
   1230         properties[0].val = p_search_data->disc_res.bd_name;
   1231         properties[0].len = strlen((char*)p_search_data->disc_res.bd_name);
   1232         bdcpy(bdaddr.address, p_search_data->disc_res.bd_addr);
   1233 
   1234         status =
   1235             btif_storage_set_remote_device_property(&bdaddr, &properties[0]);
   1236         ASSERTC(status == BT_STATUS_SUCCESS,
   1237                 "failed to save remote device property", status);
   1238         HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, status, &bdaddr,
   1239                   1, properties);
   1240       }
   1241       /* TODO: Services? */
   1242     } break;
   1243 
   1244     case BTA_DM_INQ_RES_EVT: {
   1245       /* inquiry result */
   1246       bt_bdname_t bdname;
   1247       bt_bdaddr_t bdaddr;
   1248       uint8_t remote_name_len;
   1249       tBTA_SERVICE_MASK services = 0;
   1250       bdstr_t bdstr;
   1251 
   1252       p_search_data = (tBTA_DM_SEARCH*)p_param;
   1253       bdcpy(bdaddr.address, p_search_data->inq_res.bd_addr);
   1254 
   1255       BTIF_TRACE_DEBUG("%s() %s device_type = 0x%x\n", __func__,
   1256                        bdaddr_to_string(&bdaddr, bdstr, sizeof(bdstr)),
   1257                        p_search_data->inq_res.device_type);
   1258       bdname.name[0] = 0;
   1259 
   1260       if (!check_eir_remote_name(p_search_data, bdname.name, &remote_name_len))
   1261         check_cached_remote_name(p_search_data, bdname.name, &remote_name_len);
   1262 
   1263       /* Check EIR for remote name and services */
   1264       if (p_search_data->inq_res.p_eir) {
   1265         BTA_GetEirService(p_search_data->inq_res.p_eir,
   1266                           p_search_data->inq_res.eir_len, &services);
   1267         BTIF_TRACE_DEBUG("%s()EIR BTA services = %08X", __func__,
   1268                          (uint32_t)services);
   1269         /* TODO:  Get the service list and check to see which uuids we got and
   1270          * send it back to the client. */
   1271       }
   1272 
   1273       {
   1274         bt_property_t properties[5];
   1275         bt_device_type_t dev_type;
   1276         uint32_t num_properties = 0;
   1277         bt_status_t status;
   1278         int addr_type = 0;
   1279 
   1280         memset(properties, 0, sizeof(properties));
   1281         /* BD_ADDR */
   1282         BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
   1283                                    BT_PROPERTY_BDADDR, sizeof(bdaddr), &bdaddr);
   1284         num_properties++;
   1285         /* BD_NAME */
   1286         /* Don't send BDNAME if it is empty */
   1287         if (bdname.name[0]) {
   1288           BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
   1289                                      BT_PROPERTY_BDNAME,
   1290                                      strlen((char*)bdname.name), &bdname);
   1291           num_properties++;
   1292         }
   1293 
   1294         /* DEV_CLASS */
   1295         uint32_t cod = devclass2uint(p_search_data->inq_res.dev_class);
   1296         BTIF_TRACE_DEBUG("%s cod is 0x%06x", __func__, cod);
   1297         if (cod != 0) {
   1298           BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
   1299                                      BT_PROPERTY_CLASS_OF_DEVICE, sizeof(cod),
   1300                                      &cod);
   1301           num_properties++;
   1302         }
   1303 
   1304         /* DEV_TYPE */
   1305         /* FixMe: Assumption is that bluetooth.h and BTE enums match */
   1306 
   1307         /* Verify if the device is dual mode in NVRAM */
   1308         int stored_device_type = 0;
   1309         if (btif_get_device_type(bdaddr.address, &stored_device_type) &&
   1310             ((stored_device_type != BT_DEVICE_TYPE_BREDR &&
   1311               p_search_data->inq_res.device_type == BT_DEVICE_TYPE_BREDR) ||
   1312              (stored_device_type != BT_DEVICE_TYPE_BLE &&
   1313               p_search_data->inq_res.device_type == BT_DEVICE_TYPE_BLE))) {
   1314           dev_type = (bt_device_type_t)BT_DEVICE_TYPE_DUMO;
   1315         } else {
   1316           dev_type = (bt_device_type_t)p_search_data->inq_res.device_type;
   1317         }
   1318 
   1319         if (p_search_data->inq_res.device_type == BT_DEVICE_TYPE_BLE)
   1320           addr_type = p_search_data->inq_res.ble_addr_type;
   1321         BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
   1322                                    BT_PROPERTY_TYPE_OF_DEVICE, sizeof(dev_type),
   1323                                    &dev_type);
   1324         num_properties++;
   1325         /* RSSI */
   1326         BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
   1327                                    BT_PROPERTY_REMOTE_RSSI, sizeof(int8_t),
   1328                                    &(p_search_data->inq_res.rssi));
   1329         num_properties++;
   1330 
   1331         status =
   1332             btif_storage_add_remote_device(&bdaddr, num_properties, properties);
   1333         ASSERTC(status == BT_STATUS_SUCCESS,
   1334                 "failed to save remote device (inquiry)", status);
   1335         status = btif_storage_set_remote_addr_type(&bdaddr, addr_type);
   1336         ASSERTC(status == BT_STATUS_SUCCESS,
   1337                 "failed to save remote addr type (inquiry)", status);
   1338         /* Callback to notify upper layer of device */
   1339         HAL_CBACK(bt_hal_cbacks, device_found_cb, num_properties, properties);
   1340       }
   1341     } break;
   1342 
   1343     case BTA_DM_INQ_CMPL_EVT: {
   1344       do_in_bta_thread(
   1345           FROM_HERE,
   1346           base::Bind(&BTM_BleAdvFilterParamSetup, BTM_BLE_SCAN_COND_DELETE, 0,
   1347                      nullptr, base::Bind(&bte_scan_filt_param_cfg_evt, 0)));
   1348     } break;
   1349     case BTA_DM_DISC_CMPL_EVT: {
   1350       HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb,
   1351                 BT_DISCOVERY_STOPPED);
   1352     } break;
   1353     case BTA_DM_SEARCH_CANCEL_CMPL_EVT: {
   1354       /* if inquiry is not in progress and we get a cancel event, then
   1355        * it means we are done with inquiry, but remote_name fetches are in
   1356        * progress
   1357        *
   1358        * if inquiry  is in progress, then we don't want to act on this
   1359        * cancel_cmpl_evt
   1360        * but instead wait for the cancel_cmpl_evt via the Busy Level
   1361        *
   1362        */
   1363       if (btif_dm_inquiry_in_progress == false) {
   1364         btgatt_filt_param_setup_t adv_filt_param;
   1365         memset(&adv_filt_param, 0, sizeof(btgatt_filt_param_setup_t));
   1366         do_in_bta_thread(
   1367             FROM_HERE,
   1368             base::Bind(&BTM_BleAdvFilterParamSetup, BTM_BLE_SCAN_COND_DELETE, 0,
   1369                        nullptr, base::Bind(&bte_scan_filt_param_cfg_evt, 0)));
   1370         HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb,
   1371                   BT_DISCOVERY_STOPPED);
   1372       }
   1373     } break;
   1374   }
   1375 }
   1376 
   1377 /*******************************************************************************
   1378  *
   1379  * Function         btif_dm_search_services_evt
   1380  *
   1381  * Description      Executes search services event in btif context
   1382  *
   1383  * Returns          void
   1384  *
   1385  ******************************************************************************/
   1386 static void btif_dm_search_services_evt(uint16_t event, char* p_param) {
   1387   tBTA_DM_SEARCH* p_data = (tBTA_DM_SEARCH*)p_param;
   1388 
   1389   BTIF_TRACE_EVENT("%s:  event = %d", __func__, event);
   1390   switch (event) {
   1391     case BTA_DM_DISC_RES_EVT: {
   1392       bt_property_t prop;
   1393       uint32_t i = 0;
   1394       bt_bdaddr_t bd_addr;
   1395       bt_status_t ret;
   1396 
   1397       bdcpy(bd_addr.address, p_data->disc_res.bd_addr);
   1398 
   1399       BTIF_TRACE_DEBUG("%s:(result=0x%x, services 0x%x)", __func__,
   1400                        p_data->disc_res.result, p_data->disc_res.services);
   1401       if ((p_data->disc_res.result != BTA_SUCCESS) &&
   1402           (pairing_cb.state == BT_BOND_STATE_BONDING) &&
   1403           (pairing_cb.sdp_attempts < BTIF_DM_MAX_SDP_ATTEMPTS_AFTER_PAIRING)) {
   1404         BTIF_TRACE_WARNING("%s:SDP failed after bonding re-attempting",
   1405                            __func__);
   1406         pairing_cb.sdp_attempts++;
   1407         btif_dm_get_remote_services(&bd_addr);
   1408         return;
   1409       }
   1410       prop.type = BT_PROPERTY_UUIDS;
   1411       prop.len = 0;
   1412       if ((p_data->disc_res.result == BTA_SUCCESS) &&
   1413           (p_data->disc_res.num_uuids > 0)) {
   1414         prop.val = p_data->disc_res.p_uuid_list;
   1415         prop.len = p_data->disc_res.num_uuids * MAX_UUID_SIZE;
   1416         for (i = 0; i < p_data->disc_res.num_uuids; i++) {
   1417           char temp[256];
   1418           uuid_to_string_legacy(
   1419               (bt_uuid_t*)(p_data->disc_res.p_uuid_list + (i * MAX_UUID_SIZE)),
   1420               temp, sizeof(temp));
   1421           LOG_INFO(LOG_TAG, "%s index:%d uuid:%s", __func__, i, temp);
   1422         }
   1423       }
   1424 
   1425       /* onUuidChanged requires getBondedDevices to be populated.
   1426       ** bond_state_changed needs to be sent prior to remote_device_property
   1427       */
   1428       if ((pairing_cb.state == BT_BOND_STATE_BONDING) &&
   1429           ((bdcmp(p_data->disc_res.bd_addr, pairing_cb.bd_addr) == 0) ||
   1430            (bdcmp(p_data->disc_res.bd_addr, pairing_cb.static_bdaddr.address) ==
   1431             0)) &&
   1432           pairing_cb.sdp_attempts > 0) {
   1433         BTIF_TRACE_DEBUG(
   1434             "%s Remote Service SDP done. Call bond_state_changed_cb BONDED",
   1435             __func__);
   1436         pairing_cb.sdp_attempts = 0;
   1437 
   1438         // If bonding occured due to cross-key pairing, send bonding callback
   1439         // for static address now
   1440         if (bdcmp(p_data->disc_res.bd_addr, pairing_cb.static_bdaddr.address) ==
   1441             0)
   1442           bond_state_changed(BT_STATUS_SUCCESS, &bd_addr,
   1443                              BT_BOND_STATE_BONDING);
   1444 
   1445         bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDED);
   1446       }
   1447 
   1448       if (p_data->disc_res.num_uuids != 0) {
   1449         /* Also write this to the NVRAM */
   1450         ret = btif_storage_set_remote_device_property(&bd_addr, &prop);
   1451         ASSERTC(ret == BT_STATUS_SUCCESS, "storing remote services failed",
   1452                 ret);
   1453         /* Send the event to the BTIF */
   1454         HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, BT_STATUS_SUCCESS,
   1455                   &bd_addr, 1, &prop);
   1456       }
   1457     } break;
   1458 
   1459     case BTA_DM_DISC_CMPL_EVT:
   1460       /* fixme */
   1461       break;
   1462 
   1463     case BTA_DM_SEARCH_CANCEL_CMPL_EVT:
   1464       /* no-op */
   1465       break;
   1466 
   1467     case BTA_DM_DISC_BLE_RES_EVT: {
   1468       BTIF_TRACE_DEBUG("%s:, services 0x%x)", __func__,
   1469                        p_data->disc_ble_res.service.uu.uuid16);
   1470       bt_uuid_t uuid;
   1471       int i = 0;
   1472       int j = 15;
   1473       int num_properties = 0;
   1474       if (p_data->disc_ble_res.service.uu.uuid16 == UUID_SERVCLASS_LE_HID) {
   1475         BTIF_TRACE_DEBUG("%s: Found HOGP UUID", __func__);
   1476         bt_property_t prop[2];
   1477         bt_bdaddr_t bd_addr;
   1478         char temp[256];
   1479         bt_status_t ret;
   1480 
   1481         bta_gatt_convert_uuid16_to_uuid128(
   1482             uuid.uu, p_data->disc_ble_res.service.uu.uuid16);
   1483 
   1484         while (i < j) {
   1485           unsigned char c = uuid.uu[j];
   1486           uuid.uu[j] = uuid.uu[i];
   1487           uuid.uu[i] = c;
   1488           i++;
   1489           j--;
   1490         }
   1491 
   1492         uuid_to_string_legacy(&uuid, temp, sizeof(temp));
   1493         LOG_INFO(LOG_TAG, "%s uuid:%s", __func__, temp);
   1494 
   1495         bdcpy(bd_addr.address, p_data->disc_ble_res.bd_addr);
   1496         prop[0].type = BT_PROPERTY_UUIDS;
   1497         prop[0].val = uuid.uu;
   1498         prop[0].len = MAX_UUID_SIZE;
   1499 
   1500         /* Also write this to the NVRAM */
   1501         ret = btif_storage_set_remote_device_property(&bd_addr, &prop[0]);
   1502         ASSERTC(ret == BT_STATUS_SUCCESS, "storing remote services failed",
   1503                 ret);
   1504         num_properties++;
   1505 
   1506         /* Remote name update */
   1507         if (strnlen((const char*)p_data->disc_ble_res.bd_name, BD_NAME_LEN)) {
   1508           prop[1].type = BT_PROPERTY_BDNAME;
   1509           prop[1].val = p_data->disc_ble_res.bd_name;
   1510           prop[1].len =
   1511               strnlen((char*)p_data->disc_ble_res.bd_name, BD_NAME_LEN);
   1512 
   1513           ret = btif_storage_set_remote_device_property(&bd_addr, &prop[1]);
   1514           ASSERTC(ret == BT_STATUS_SUCCESS,
   1515                   "failed to save remote device property", ret);
   1516           num_properties++;
   1517         }
   1518 
   1519         /* Send the event to the BTIF */
   1520         HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, BT_STATUS_SUCCESS,
   1521                   &bd_addr, num_properties, prop);
   1522       }
   1523     } break;
   1524 
   1525     default: { ASSERTC(0, "unhandled search services event", event); } break;
   1526   }
   1527 }
   1528 
   1529 /*******************************************************************************
   1530  *
   1531  * Function         btif_dm_remote_service_record_evt
   1532  *
   1533  * Description      Executes search service record event in btif context
   1534  *
   1535  * Returns          void
   1536  *
   1537  ******************************************************************************/
   1538 static void btif_dm_remote_service_record_evt(uint16_t event, char* p_param) {
   1539   tBTA_DM_SEARCH* p_data = (tBTA_DM_SEARCH*)p_param;
   1540 
   1541   BTIF_TRACE_EVENT("%s:  event = %d", __func__, event);
   1542   switch (event) {
   1543     case BTA_DM_DISC_RES_EVT: {
   1544       bt_service_record_t rec;
   1545       bt_property_t prop;
   1546       bt_bdaddr_t bd_addr;
   1547 
   1548       memset(&rec, 0, sizeof(bt_service_record_t));
   1549       bdcpy(bd_addr.address, p_data->disc_res.bd_addr);
   1550 
   1551       BTIF_TRACE_DEBUG("%s:(result=0x%x, services 0x%x)", __func__,
   1552                        p_data->disc_res.result, p_data->disc_res.services);
   1553       prop.type = BT_PROPERTY_SERVICE_RECORD;
   1554       prop.val = (void*)&rec;
   1555       prop.len = sizeof(rec);
   1556 
   1557       /* disc_res.result is overloaded with SCN. Cannot check result */
   1558       p_data->disc_res.services &= ~BTA_USER_SERVICE_MASK;
   1559       /* TODO: Get the UUID as well */
   1560       rec.channel = p_data->disc_res.result - 3;
   1561       /* TODO: Need to get the service name using p_raw_data */
   1562       rec.name[0] = 0;
   1563 
   1564       HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, BT_STATUS_SUCCESS,
   1565                 &bd_addr, 1, &prop);
   1566     } break;
   1567 
   1568     default: {
   1569       ASSERTC(0, "unhandled remote service record event", event);
   1570     } break;
   1571   }
   1572 }
   1573 
   1574 /*******************************************************************************
   1575  *
   1576  * Function         btif_dm_upstreams_cback
   1577  *
   1578  * Description      Executes UPSTREAMS events in btif context
   1579  *
   1580  * Returns          void
   1581  *
   1582  ******************************************************************************/
   1583 static void btif_dm_upstreams_evt(uint16_t event, char* p_param) {
   1584   tBTA_DM_SEC* p_data = (tBTA_DM_SEC*)p_param;
   1585   tBTA_SERVICE_MASK service_mask;
   1586   uint32_t i;
   1587   bt_bdaddr_t bd_addr;
   1588 
   1589   BTIF_TRACE_EVENT("%s: ev: %s", __func__, dump_dm_event(event));
   1590 
   1591   switch (event) {
   1592     case BTA_DM_ENABLE_EVT: {
   1593       BD_NAME bdname;
   1594       bt_status_t status;
   1595       bt_property_t prop;
   1596       prop.type = BT_PROPERTY_BDNAME;
   1597       prop.len = BD_NAME_LEN;
   1598       prop.val = (void*)bdname;
   1599 
   1600       status = btif_storage_get_adapter_property(&prop);
   1601       if (status == BT_STATUS_SUCCESS) {
   1602         /* A name exists in the storage. Make this the device name */
   1603         BTA_DmSetDeviceName((char*)prop.val);
   1604       } else {
   1605         /* Storage does not have a name yet.
   1606          * Use the default name and write it to the chip
   1607          */
   1608         BTA_DmSetDeviceName(btif_get_default_local_name());
   1609       }
   1610 
   1611       /* Enable local privacy */
   1612       BTA_DmBleConfigLocalPrivacy(BLE_LOCAL_PRIVACY_ENABLED);
   1613 
   1614       /* for each of the enabled services in the mask, trigger the profile
   1615        * enable */
   1616       service_mask = btif_get_enabled_services_mask();
   1617       for (i = 0; i <= BTA_MAX_SERVICE_ID; i++) {
   1618         if (service_mask &
   1619             (tBTA_SERVICE_MASK)(BTA_SERVICE_ID_TO_SERVICE_MASK(i))) {
   1620           btif_in_execute_service_request(i, true);
   1621         }
   1622       }
   1623       /* clear control blocks */
   1624       memset(&pairing_cb, 0, sizeof(btif_dm_pairing_cb_t));
   1625       pairing_cb.bond_type = BOND_TYPE_PERSISTENT;
   1626 
   1627       /* This function will also trigger the adapter_properties_cb
   1628       ** and bonded_devices_info_cb
   1629       */
   1630       btif_storage_load_bonded_devices();
   1631 
   1632       btif_enable_bluetooth_evt(p_data->enable.status);
   1633     } break;
   1634 
   1635     case BTA_DM_DISABLE_EVT:
   1636       /* for each of the enabled services in the mask, trigger the profile
   1637        * disable */
   1638       service_mask = btif_get_enabled_services_mask();
   1639       for (i = 0; i <= BTA_MAX_SERVICE_ID; i++) {
   1640         if (service_mask &
   1641             (tBTA_SERVICE_MASK)(BTA_SERVICE_ID_TO_SERVICE_MASK(i))) {
   1642           btif_in_execute_service_request(i, false);
   1643         }
   1644       }
   1645       btif_disable_bluetooth_evt();
   1646       break;
   1647 
   1648     case BTA_DM_PIN_REQ_EVT:
   1649       btif_dm_pin_req_evt(&p_data->pin_req);
   1650       break;
   1651 
   1652     case BTA_DM_AUTH_CMPL_EVT:
   1653       btif_dm_auth_cmpl_evt(&p_data->auth_cmpl);
   1654       break;
   1655 
   1656     case BTA_DM_BOND_CANCEL_CMPL_EVT:
   1657       if (pairing_cb.state == BT_BOND_STATE_BONDING) {
   1658         bdcpy(bd_addr.address, pairing_cb.bd_addr);
   1659         btm_set_bond_type_dev(pairing_cb.bd_addr, BOND_TYPE_UNKNOWN);
   1660         bond_state_changed((bt_status_t)p_data->bond_cancel_cmpl.result,
   1661                            &bd_addr, BT_BOND_STATE_NONE);
   1662       }
   1663       break;
   1664 
   1665     case BTA_DM_SP_CFM_REQ_EVT:
   1666       btif_dm_ssp_cfm_req_evt(&p_data->cfm_req);
   1667       break;
   1668     case BTA_DM_SP_KEY_NOTIF_EVT:
   1669       btif_dm_ssp_key_notif_evt(&p_data->key_notif);
   1670       break;
   1671 
   1672     case BTA_DM_DEV_UNPAIRED_EVT:
   1673       bdcpy(bd_addr.address, p_data->link_down.bd_addr);
   1674       btm_set_bond_type_dev(p_data->link_down.bd_addr, BOND_TYPE_UNKNOWN);
   1675 
   1676 /*special handling for HID devices */
   1677 #if (defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == true))
   1678       btif_hh_remove_device(bd_addr);
   1679 #endif
   1680 #if (defined(BTA_HD_INCLUDED) && (BTA_HD_INCLUDED == TRUE))
   1681       btif_hd_remove_device(bd_addr);
   1682 #endif
   1683       btif_storage_remove_bonded_device(&bd_addr);
   1684       bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_NONE);
   1685       break;
   1686 
   1687     case BTA_DM_BUSY_LEVEL_EVT: {
   1688       if (p_data->busy_level.level_flags & BTM_BL_INQUIRY_PAGING_MASK) {
   1689         if (p_data->busy_level.level_flags == BTM_BL_INQUIRY_STARTED) {
   1690           HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb,
   1691                     BT_DISCOVERY_STARTED);
   1692           btif_dm_inquiry_in_progress = true;
   1693         } else if (p_data->busy_level.level_flags == BTM_BL_INQUIRY_CANCELLED) {
   1694           HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb,
   1695                     BT_DISCOVERY_STOPPED);
   1696           btif_dm_inquiry_in_progress = false;
   1697         } else if (p_data->busy_level.level_flags == BTM_BL_INQUIRY_COMPLETE) {
   1698           btif_dm_inquiry_in_progress = false;
   1699         }
   1700       }
   1701     } break;
   1702 
   1703     case BTA_DM_LINK_UP_EVT:
   1704       bdcpy(bd_addr.address, p_data->link_up.bd_addr);
   1705       BTIF_TRACE_DEBUG("BTA_DM_LINK_UP_EVT. Sending BT_ACL_STATE_CONNECTED");
   1706 
   1707       btif_update_remote_version_property(&bd_addr);
   1708 
   1709       HAL_CBACK(bt_hal_cbacks, acl_state_changed_cb, BT_STATUS_SUCCESS,
   1710                 &bd_addr, BT_ACL_STATE_CONNECTED);
   1711       break;
   1712 
   1713     case BTA_DM_LINK_DOWN_EVT:
   1714       bdcpy(bd_addr.address, p_data->link_down.bd_addr);
   1715       btm_set_bond_type_dev(p_data->link_down.bd_addr, BOND_TYPE_UNKNOWN);
   1716       btif_av_move_idle(bd_addr);
   1717       BTIF_TRACE_DEBUG(
   1718           "BTA_DM_LINK_DOWN_EVT. Sending BT_ACL_STATE_DISCONNECTED");
   1719       HAL_CBACK(bt_hal_cbacks, acl_state_changed_cb, BT_STATUS_SUCCESS,
   1720                 &bd_addr, BT_ACL_STATE_DISCONNECTED);
   1721       break;
   1722 
   1723     case BTA_DM_HW_ERROR_EVT:
   1724       BTIF_TRACE_ERROR("Received H/W Error. ");
   1725       /* Flush storage data */
   1726       btif_config_flush();
   1727       usleep(100000); /* 100milliseconds */
   1728       /* Killing the process to force a restart as part of fault tolerance */
   1729       kill(getpid(), SIGKILL);
   1730       break;
   1731 
   1732     case BTA_DM_BLE_KEY_EVT:
   1733       BTIF_TRACE_DEBUG("BTA_DM_BLE_KEY_EVT key_type=0x%02x ",
   1734                        p_data->ble_key.key_type);
   1735 
   1736       /* If this pairing is by-product of local initiated GATT client Read or
   1737       Write,
   1738       BTA would not have sent BTA_DM_BLE_SEC_REQ_EVT event and Bond state would
   1739       not
   1740       have setup properly. Setup pairing_cb and notify App about Bonding state
   1741       now*/
   1742       if (pairing_cb.state != BT_BOND_STATE_BONDING) {
   1743         BTIF_TRACE_DEBUG(
   1744             "Bond state not sent to App so far.Notify the app now");
   1745         bond_state_changed(BT_STATUS_SUCCESS,
   1746                            (bt_bdaddr_t*)p_data->ble_key.bd_addr,
   1747                            BT_BOND_STATE_BONDING);
   1748       } else if (memcmp(pairing_cb.bd_addr, p_data->ble_key.bd_addr,
   1749                         BD_ADDR_LEN) != 0) {
   1750         BTIF_TRACE_ERROR("BD mismatch discard BLE key_type=%d ",
   1751                          p_data->ble_key.key_type);
   1752         break;
   1753       }
   1754 
   1755       switch (p_data->ble_key.key_type) {
   1756         case BTA_LE_KEY_PENC:
   1757           BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_PENC");
   1758           pairing_cb.ble.is_penc_key_rcvd = true;
   1759           pairing_cb.ble.penc_key = p_data->ble_key.p_key_value->penc_key;
   1760           break;
   1761 
   1762         case BTA_LE_KEY_PID:
   1763           BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_PID");
   1764           pairing_cb.ble.is_pid_key_rcvd = true;
   1765           pairing_cb.ble.pid_key = p_data->ble_key.p_key_value->pid_key;
   1766           break;
   1767 
   1768         case BTA_LE_KEY_PCSRK:
   1769           BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_PCSRK");
   1770           pairing_cb.ble.is_pcsrk_key_rcvd = true;
   1771           pairing_cb.ble.pcsrk_key = p_data->ble_key.p_key_value->pcsrk_key;
   1772           break;
   1773 
   1774         case BTA_LE_KEY_LENC:
   1775           BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_LENC");
   1776           pairing_cb.ble.is_lenc_key_rcvd = true;
   1777           pairing_cb.ble.lenc_key = p_data->ble_key.p_key_value->lenc_key;
   1778           break;
   1779 
   1780         case BTA_LE_KEY_LCSRK:
   1781           BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_LCSRK");
   1782           pairing_cb.ble.is_lcsrk_key_rcvd = true;
   1783           pairing_cb.ble.lcsrk_key = p_data->ble_key.p_key_value->lcsrk_key;
   1784           break;
   1785 
   1786         case BTA_LE_KEY_LID:
   1787           BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_LID");
   1788           pairing_cb.ble.is_lidk_key_rcvd = true;
   1789           break;
   1790 
   1791         default:
   1792           BTIF_TRACE_ERROR("unknown BLE key type (0x%02x)",
   1793                            p_data->ble_key.key_type);
   1794           break;
   1795       }
   1796       break;
   1797     case BTA_DM_BLE_SEC_REQ_EVT:
   1798       BTIF_TRACE_DEBUG("BTA_DM_BLE_SEC_REQ_EVT. ");
   1799       btif_dm_ble_sec_req_evt(&p_data->ble_req);
   1800       break;
   1801     case BTA_DM_BLE_PASSKEY_NOTIF_EVT:
   1802       BTIF_TRACE_DEBUG("BTA_DM_BLE_PASSKEY_NOTIF_EVT. ");
   1803       btif_dm_ble_key_notif_evt(&p_data->key_notif);
   1804       break;
   1805     case BTA_DM_BLE_PASSKEY_REQ_EVT:
   1806       BTIF_TRACE_DEBUG("BTA_DM_BLE_PASSKEY_REQ_EVT. ");
   1807       btif_dm_ble_passkey_req_evt(&p_data->pin_req);
   1808       break;
   1809     case BTA_DM_BLE_NC_REQ_EVT:
   1810       BTIF_TRACE_DEBUG("BTA_DM_BLE_PASSKEY_REQ_EVT. ");
   1811       btif_dm_ble_key_nc_req_evt(&p_data->key_notif);
   1812       break;
   1813     case BTA_DM_BLE_OOB_REQ_EVT:
   1814       BTIF_TRACE_DEBUG("BTA_DM_BLE_OOB_REQ_EVT. ");
   1815       btif_dm_ble_oob_req_evt(&p_data->rmt_oob);
   1816       break;
   1817     case BTA_DM_BLE_SC_OOB_REQ_EVT:
   1818       BTIF_TRACE_DEBUG("BTA_DM_BLE_SC_OOB_REQ_EVT. ");
   1819       btif_dm_ble_sc_oob_req_evt(&p_data->rmt_oob);
   1820       break;
   1821     case BTA_DM_BLE_LOCAL_IR_EVT:
   1822       BTIF_TRACE_DEBUG("BTA_DM_BLE_LOCAL_IR_EVT. ");
   1823       ble_local_key_cb.is_id_keys_rcvd = true;
   1824       memcpy(&ble_local_key_cb.id_keys.irk[0], &p_data->ble_id_keys.irk[0],
   1825              sizeof(BT_OCTET16));
   1826       memcpy(&ble_local_key_cb.id_keys.ir[0], &p_data->ble_id_keys.ir[0],
   1827              sizeof(BT_OCTET16));
   1828       memcpy(&ble_local_key_cb.id_keys.dhk[0], &p_data->ble_id_keys.dhk[0],
   1829              sizeof(BT_OCTET16));
   1830       btif_storage_add_ble_local_key((char*)&ble_local_key_cb.id_keys.irk[0],
   1831                                      BTIF_DM_LE_LOCAL_KEY_IRK, BT_OCTET16_LEN);
   1832       btif_storage_add_ble_local_key((char*)&ble_local_key_cb.id_keys.ir[0],
   1833                                      BTIF_DM_LE_LOCAL_KEY_IR, BT_OCTET16_LEN);
   1834       btif_storage_add_ble_local_key((char*)&ble_local_key_cb.id_keys.dhk[0],
   1835                                      BTIF_DM_LE_LOCAL_KEY_DHK, BT_OCTET16_LEN);
   1836       break;
   1837     case BTA_DM_BLE_LOCAL_ER_EVT:
   1838       BTIF_TRACE_DEBUG("BTA_DM_BLE_LOCAL_ER_EVT. ");
   1839       ble_local_key_cb.is_er_rcvd = true;
   1840       memcpy(&ble_local_key_cb.er[0], &p_data->ble_er[0], sizeof(BT_OCTET16));
   1841       btif_storage_add_ble_local_key((char*)&ble_local_key_cb.er[0],
   1842                                      BTIF_DM_LE_LOCAL_KEY_ER, BT_OCTET16_LEN);
   1843       break;
   1844 
   1845     case BTA_DM_BLE_AUTH_CMPL_EVT:
   1846       BTIF_TRACE_DEBUG("BTA_DM_BLE_AUTH_CMPL_EVT. ");
   1847       btif_dm_ble_auth_cmpl_evt(&p_data->auth_cmpl);
   1848       break;
   1849 
   1850     case BTA_DM_LE_FEATURES_READ: {
   1851       tBTM_BLE_VSC_CB cmn_vsc_cb;
   1852       bt_local_le_features_t local_le_features;
   1853       char buf[512];
   1854       bt_property_t prop;
   1855       prop.type = BT_PROPERTY_LOCAL_LE_FEATURES;
   1856       prop.val = (void*)buf;
   1857       prop.len = sizeof(buf);
   1858 
   1859       /* LE features are not stored in storage. Should be retrived from stack */
   1860       BTM_BleGetVendorCapabilities(&cmn_vsc_cb);
   1861       local_le_features.local_privacy_enabled = BTM_BleLocalPrivacyEnabled();
   1862 
   1863       prop.len = sizeof(bt_local_le_features_t);
   1864       if (cmn_vsc_cb.filter_support == 1)
   1865         local_le_features.max_adv_filter_supported = cmn_vsc_cb.max_filter;
   1866       else
   1867         local_le_features.max_adv_filter_supported = 0;
   1868       local_le_features.max_adv_instance = cmn_vsc_cb.adv_inst_max;
   1869       local_le_features.max_irk_list_size = cmn_vsc_cb.max_irk_list_sz;
   1870       local_le_features.rpa_offload_supported = cmn_vsc_cb.rpa_offloading;
   1871       local_le_features.activity_energy_info_supported =
   1872           cmn_vsc_cb.energy_support;
   1873       local_le_features.scan_result_storage_size =
   1874           cmn_vsc_cb.tot_scan_results_strg;
   1875       local_le_features.version_supported = cmn_vsc_cb.version_supported;
   1876       local_le_features.total_trackable_advertisers =
   1877           cmn_vsc_cb.total_trackable_advertisers;
   1878 
   1879       local_le_features.extended_scan_support =
   1880           cmn_vsc_cb.extended_scan_support > 0;
   1881       local_le_features.debug_logging_supported =
   1882           cmn_vsc_cb.debug_logging_supported > 0;
   1883 
   1884       const controller_t* controller = controller_get_interface();
   1885 
   1886       local_le_features.le_2m_phy_supported = controller->supports_ble_2m_phy();
   1887       local_le_features.le_coded_phy_supported =
   1888           controller->supports_ble_coded_phy();
   1889       local_le_features.le_extended_advertising_supported =
   1890           controller->supports_ble_extended_advertising();
   1891       local_le_features.le_periodic_advertising_supported =
   1892           controller->supports_ble_periodic_advertising();
   1893       local_le_features.le_maximum_advertising_data_length =
   1894           controller->get_ble_maxium_advertising_data_length();
   1895 
   1896       memcpy(prop.val, &local_le_features, prop.len);
   1897       HAL_CBACK(bt_hal_cbacks, adapter_properties_cb, BT_STATUS_SUCCESS, 1,
   1898                 &prop);
   1899       break;
   1900     }
   1901 
   1902     case BTA_DM_ENER_INFO_READ: {
   1903       btif_activity_energy_info_cb_t* p_ener_data =
   1904           (btif_activity_energy_info_cb_t*)p_param;
   1905       bt_activity_energy_info energy_info;
   1906       energy_info.status = p_ener_data->status;
   1907       energy_info.ctrl_state = p_ener_data->ctrl_state;
   1908       energy_info.rx_time = p_ener_data->rx_time;
   1909       energy_info.tx_time = p_ener_data->tx_time;
   1910       energy_info.idle_time = p_ener_data->idle_time;
   1911       energy_info.energy_used = p_ener_data->energy_used;
   1912 
   1913       bt_uid_traffic_t* data = uid_set_read_and_clear(uid_set);
   1914       HAL_CBACK(bt_hal_cbacks, energy_info_cb, &energy_info, data);
   1915       osi_free(data);
   1916       break;
   1917     }
   1918 
   1919     case BTA_DM_AUTHORIZE_EVT:
   1920     case BTA_DM_SIG_STRENGTH_EVT:
   1921     case BTA_DM_SP_RMT_OOB_EVT:
   1922     case BTA_DM_SP_KEYPRESS_EVT:
   1923     case BTA_DM_ROLE_CHG_EVT:
   1924 
   1925     default:
   1926       BTIF_TRACE_WARNING("btif_dm_cback : unhandled event (%d)", event);
   1927       break;
   1928   }
   1929 
   1930   btif_dm_data_free(event, p_data);
   1931 }
   1932 
   1933 /*******************************************************************************
   1934  *
   1935  * Function         btif_dm_generic_evt
   1936  *
   1937  * Description      Executes non-BTA upstream events in BTIF context
   1938  *
   1939  * Returns          void
   1940  *
   1941  ******************************************************************************/
   1942 static void btif_dm_generic_evt(uint16_t event, char* p_param) {
   1943   BTIF_TRACE_EVENT("%s: event=%d", __func__, event);
   1944   switch (event) {
   1945     case BTIF_DM_CB_DISCOVERY_STARTED: {
   1946       HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb,
   1947                 BT_DISCOVERY_STARTED);
   1948     } break;
   1949 
   1950     case BTIF_DM_CB_CREATE_BOND: {
   1951       pairing_cb.timeout_retries = NUM_TIMEOUT_RETRIES;
   1952       btif_dm_create_bond_cb_t* create_bond_cb =
   1953           (btif_dm_create_bond_cb_t*)p_param;
   1954       btif_dm_cb_create_bond(&create_bond_cb->bdaddr,
   1955                              create_bond_cb->transport);
   1956     } break;
   1957 
   1958     case BTIF_DM_CB_REMOVE_BOND: {
   1959       btif_dm_cb_remove_bond((bt_bdaddr_t*)p_param);
   1960     } break;
   1961 
   1962     case BTIF_DM_CB_HID_REMOTE_NAME: {
   1963       btif_dm_cb_hid_remote_name((tBTM_REMOTE_DEV_NAME*)p_param);
   1964     } break;
   1965 
   1966     case BTIF_DM_CB_BOND_STATE_BONDING: {
   1967       bond_state_changed(BT_STATUS_SUCCESS, (bt_bdaddr_t*)p_param,
   1968                          BT_BOND_STATE_BONDING);
   1969     } break;
   1970     case BTIF_DM_CB_LE_TX_TEST:
   1971     case BTIF_DM_CB_LE_RX_TEST: {
   1972       uint8_t status;
   1973       STREAM_TO_UINT8(status, p_param);
   1974       HAL_CBACK(bt_hal_cbacks, le_test_mode_cb,
   1975                 (status == 0) ? BT_STATUS_SUCCESS : BT_STATUS_FAIL, 0);
   1976     } break;
   1977     case BTIF_DM_CB_LE_TEST_END: {
   1978       uint8_t status;
   1979       uint16_t count = 0;
   1980       STREAM_TO_UINT8(status, p_param);
   1981       if (status == 0) STREAM_TO_UINT16(count, p_param);
   1982       HAL_CBACK(bt_hal_cbacks, le_test_mode_cb,
   1983                 (status == 0) ? BT_STATUS_SUCCESS : BT_STATUS_FAIL, count);
   1984     } break;
   1985     default: {
   1986       BTIF_TRACE_WARNING("%s : Unknown event 0x%x", __func__, event);
   1987     } break;
   1988   }
   1989 }
   1990 
   1991 /*******************************************************************************
   1992  *
   1993  * Function         bte_dm_evt
   1994  *
   1995  * Description      Switches context from BTE to BTIF for all DM events
   1996  *
   1997  * Returns          void
   1998  *
   1999  ******************************************************************************/
   2000 
   2001 void bte_dm_evt(tBTA_DM_SEC_EVT event, tBTA_DM_SEC* p_data) {
   2002   /* switch context to btif task context (copy full union size for convenience)
   2003    */
   2004   bt_status_t status = btif_transfer_context(
   2005       btif_dm_upstreams_evt, (uint16_t)event, (char*)p_data,
   2006       sizeof(tBTA_DM_SEC), btif_dm_data_copy);
   2007 
   2008   /* catch any failed context transfers */
   2009   ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status);
   2010 }
   2011 
   2012 /*******************************************************************************
   2013  *
   2014  * Function         bte_search_devices_evt
   2015  *
   2016  * Description      Switches context from BTE to BTIF for DM search events
   2017  *
   2018  * Returns          void
   2019  *
   2020  ******************************************************************************/
   2021 static void bte_search_devices_evt(tBTA_DM_SEARCH_EVT event,
   2022                                    tBTA_DM_SEARCH* p_data) {
   2023   uint16_t param_len = 0;
   2024 
   2025   if (p_data) param_len += sizeof(tBTA_DM_SEARCH);
   2026   /* Allocate buffer to hold the pointers (deep copy). The pointers will point
   2027    * to the end of the tBTA_DM_SEARCH */
   2028   switch (event) {
   2029     case BTA_DM_INQ_RES_EVT: {
   2030       if (p_data->inq_res.p_eir) param_len += HCI_EXT_INQ_RESPONSE_LEN;
   2031     } break;
   2032 
   2033     case BTA_DM_DISC_RES_EVT: {
   2034       if (p_data->disc_res.raw_data_size && p_data->disc_res.p_raw_data)
   2035         param_len += p_data->disc_res.raw_data_size;
   2036     } break;
   2037   }
   2038   BTIF_TRACE_DEBUG("%s event=%s param_len=%d", __func__,
   2039                    dump_dm_search_event(event), param_len);
   2040 
   2041   /* if remote name is available in EIR, set teh flag so that stack doesnt
   2042    * trigger RNR */
   2043   if (event == BTA_DM_INQ_RES_EVT)
   2044     p_data->inq_res.remt_name_not_required =
   2045         check_eir_remote_name(p_data, NULL, NULL);
   2046 
   2047   btif_transfer_context(
   2048       btif_dm_search_devices_evt, (uint16_t)event, (char*)p_data, param_len,
   2049       (param_len > sizeof(tBTA_DM_SEARCH)) ? search_devices_copy_cb : NULL);
   2050 }
   2051 
   2052 /*******************************************************************************
   2053  *
   2054  * Function         bte_dm_search_services_evt
   2055  *
   2056  * Description      Switches context from BTE to BTIF for DM search services
   2057  *                  event
   2058  *
   2059  * Returns          void
   2060  *
   2061  ******************************************************************************/
   2062 static void bte_dm_search_services_evt(tBTA_DM_SEARCH_EVT event,
   2063                                        tBTA_DM_SEARCH* p_data) {
   2064   uint16_t param_len = 0;
   2065   if (p_data) param_len += sizeof(tBTA_DM_SEARCH);
   2066   switch (event) {
   2067     case BTA_DM_DISC_RES_EVT: {
   2068       if ((p_data->disc_res.result == BTA_SUCCESS) &&
   2069           (p_data->disc_res.num_uuids > 0)) {
   2070         param_len += (p_data->disc_res.num_uuids * MAX_UUID_SIZE);
   2071       }
   2072     } break;
   2073   }
   2074   /* TODO: The only other member that needs a deep copy is the p_raw_data. But
   2075    * not sure
   2076    * if raw_data is needed. */
   2077   btif_transfer_context(
   2078       btif_dm_search_services_evt, event, (char*)p_data, param_len,
   2079       (param_len > sizeof(tBTA_DM_SEARCH)) ? search_services_copy_cb : NULL);
   2080 }
   2081 
   2082 /*******************************************************************************
   2083  *
   2084  * Function         bte_dm_remote_service_record_evt
   2085  *
   2086  * Description      Switches context from BTE to BTIF for DM search service
   2087  *                  record event
   2088  *
   2089  * Returns          void
   2090  *
   2091  ******************************************************************************/
   2092 static void bte_dm_remote_service_record_evt(tBTA_DM_SEARCH_EVT event,
   2093                                              tBTA_DM_SEARCH* p_data) {
   2094   /* TODO: The only member that needs a deep copy is the p_raw_data. But not
   2095    * sure yet if this is needed. */
   2096   btif_transfer_context(btif_dm_remote_service_record_evt, event, (char*)p_data,
   2097                         sizeof(tBTA_DM_SEARCH), NULL);
   2098 }
   2099 
   2100 /*******************************************************************************
   2101  *
   2102  * Function         bta_energy_info_cb
   2103  *
   2104  * Description      Switches context from BTE to BTIF for DM energy info event
   2105  *
   2106  * Returns          void
   2107  *
   2108  ******************************************************************************/
   2109 static void bta_energy_info_cb(tBTA_DM_BLE_TX_TIME_MS tx_time,
   2110                                tBTA_DM_BLE_RX_TIME_MS rx_time,
   2111                                tBTA_DM_BLE_IDLE_TIME_MS idle_time,
   2112                                tBTA_DM_BLE_ENERGY_USED energy_used,
   2113                                tBTA_DM_CONTRL_STATE ctrl_state,
   2114                                tBTA_STATUS status) {
   2115   BTIF_TRACE_DEBUG(
   2116       "energy_info_cb-Status:%d,state=%d,tx_t=%ld, rx_t=%ld, "
   2117       "idle_time=%ld,used=%ld",
   2118       status, ctrl_state, tx_time, rx_time, idle_time, energy_used);
   2119 
   2120   btif_activity_energy_info_cb_t btif_cb;
   2121   btif_cb.status = status;
   2122   btif_cb.ctrl_state = ctrl_state;
   2123   btif_cb.tx_time = (uint64_t)tx_time;
   2124   btif_cb.rx_time = (uint64_t)rx_time;
   2125   btif_cb.idle_time = (uint64_t)idle_time;
   2126   btif_cb.energy_used = (uint64_t)energy_used;
   2127   btif_transfer_context(btif_dm_upstreams_evt, BTA_DM_ENER_INFO_READ,
   2128                         (char*)&btif_cb, sizeof(btif_activity_energy_info_cb_t),
   2129                         NULL);
   2130 }
   2131 
   2132 /* Scan filter param config event */
   2133 static void bte_scan_filt_param_cfg_evt(uint8_t ref_value, uint8_t avbl_space,
   2134                                         uint8_t action_type, uint8_t status) {
   2135   /* This event occurs on calling BTA_DmBleCfgFilterCondition internally,
   2136   ** and that is why there is no HAL callback
   2137   */
   2138   if (BTA_SUCCESS != status) {
   2139     BTIF_TRACE_ERROR("%s, %d", __func__, status);
   2140   } else {
   2141     BTIF_TRACE_DEBUG("%s", __func__);
   2142   }
   2143 }
   2144 
   2145 /*****************************************************************************
   2146  *
   2147  *   btif api functions (no context switch)
   2148  *
   2149  ****************************************************************************/
   2150 
   2151 /*******************************************************************************
   2152  *
   2153  * Function         btif_dm_start_discovery
   2154  *
   2155  * Description      Start device discovery/inquiry
   2156  *
   2157  * Returns          bt_status_t
   2158  *
   2159  ******************************************************************************/
   2160 bt_status_t btif_dm_start_discovery(void) {
   2161   tBTA_DM_INQ inq_params;
   2162   tBTA_SERVICE_MASK services = 0;
   2163 
   2164   BTIF_TRACE_EVENT("%s", __func__);
   2165 
   2166   /* Cleanup anything remaining on index 0 */
   2167   do_in_bta_thread(
   2168       FROM_HERE,
   2169       base::Bind(&BTM_BleAdvFilterParamSetup, BTM_BLE_SCAN_COND_DELETE, 0,
   2170                  nullptr, base::Bind(&bte_scan_filt_param_cfg_evt, 0)));
   2171 
   2172   auto adv_filt_param = std::make_unique<btgatt_filt_param_setup_t>();
   2173   /* Add an allow-all filter on index 0*/
   2174   adv_filt_param->dely_mode = IMMEDIATE_DELY_MODE;
   2175   adv_filt_param->feat_seln = ALLOW_ALL_FILTER;
   2176   adv_filt_param->filt_logic_type = BTA_DM_BLE_PF_FILT_LOGIC_OR;
   2177   adv_filt_param->list_logic_type = BTA_DM_BLE_PF_LIST_LOGIC_OR;
   2178   adv_filt_param->rssi_low_thres = LOWEST_RSSI_VALUE;
   2179   adv_filt_param->rssi_high_thres = LOWEST_RSSI_VALUE;
   2180   do_in_bta_thread(
   2181       FROM_HERE, base::Bind(&BTM_BleAdvFilterParamSetup, BTM_BLE_SCAN_COND_ADD,
   2182                             0, base::Passed(&adv_filt_param),
   2183                             base::Bind(&bte_scan_filt_param_cfg_evt, 0)));
   2184 
   2185   /* TODO: Do we need to handle multiple inquiries at the same time? */
   2186 
   2187   /* Set inquiry params and call API */
   2188   inq_params.mode = BTA_DM_GENERAL_INQUIRY | BTA_BLE_GENERAL_INQUIRY;
   2189 #if (BTA_HOST_INTERLEAVE_SEARCH == TRUE)
   2190   inq_params.intl_duration[0] = BTIF_DM_INTERLEAVE_DURATION_BR_ONE;
   2191   inq_params.intl_duration[1] = BTIF_DM_INTERLEAVE_DURATION_LE_ONE;
   2192   inq_params.intl_duration[2] = BTIF_DM_INTERLEAVE_DURATION_BR_TWO;
   2193   inq_params.intl_duration[3] = BTIF_DM_INTERLEAVE_DURATION_LE_TWO;
   2194 #endif
   2195   inq_params.duration = BTIF_DM_DEFAULT_INQ_MAX_DURATION;
   2196 
   2197   inq_params.max_resps = BTIF_DM_DEFAULT_INQ_MAX_RESULTS;
   2198   inq_params.report_dup = true;
   2199 
   2200   inq_params.filter_type = BTA_DM_INQ_CLR;
   2201   /* TODO: Filter device by BDA needs to be implemented here */
   2202 
   2203   /* Will be enabled to true once inquiry busy level has been received */
   2204   btif_dm_inquiry_in_progress = false;
   2205   /* find nearby devices */
   2206   BTA_DmSearch(&inq_params, services, bte_search_devices_evt);
   2207 
   2208   return BT_STATUS_SUCCESS;
   2209 }
   2210 
   2211 /*******************************************************************************
   2212  *
   2213  * Function         btif_dm_cancel_discovery
   2214  *
   2215  * Description      Cancels search
   2216  *
   2217  * Returns          bt_status_t
   2218  *
   2219  ******************************************************************************/
   2220 bt_status_t btif_dm_cancel_discovery(void) {
   2221   BTIF_TRACE_EVENT("%s", __func__);
   2222   BTA_DmSearchCancel();
   2223   return BT_STATUS_SUCCESS;
   2224 }
   2225 
   2226 /*******************************************************************************
   2227  *
   2228  * Function         btif_dm_create_bond
   2229  *
   2230  * Description      Initiate bonding with the specified device
   2231  *
   2232  * Returns          bt_status_t
   2233  *
   2234  ******************************************************************************/
   2235 bt_status_t btif_dm_create_bond(const bt_bdaddr_t* bd_addr, int transport) {
   2236   btif_dm_create_bond_cb_t create_bond_cb;
   2237   create_bond_cb.transport = transport;
   2238   bdcpy(create_bond_cb.bdaddr.address, bd_addr->address);
   2239 
   2240   bdstr_t bdstr;
   2241   BTIF_TRACE_EVENT("%s: bd_addr=%s, transport=%d", __func__,
   2242                    bdaddr_to_string(bd_addr, bdstr, sizeof(bdstr)), transport);
   2243   if (pairing_cb.state != BT_BOND_STATE_NONE) return BT_STATUS_BUSY;
   2244 
   2245   btif_stats_add_bond_event(bd_addr, BTIF_DM_FUNC_CREATE_BOND,
   2246                             pairing_cb.state);
   2247 
   2248   btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_CREATE_BOND,
   2249                         (char*)&create_bond_cb,
   2250                         sizeof(btif_dm_create_bond_cb_t), NULL);
   2251 
   2252   return BT_STATUS_SUCCESS;
   2253 }
   2254 
   2255 /*******************************************************************************
   2256  *
   2257  * Function         btif_dm_create_bond_out_of_band
   2258  *
   2259  * Description      Initiate bonding with the specified device using out of band
   2260  *                  data
   2261  *
   2262  * Returns          bt_status_t
   2263  *
   2264  ******************************************************************************/
   2265 bt_status_t btif_dm_create_bond_out_of_band(
   2266     const bt_bdaddr_t* bd_addr, int transport,
   2267     const bt_out_of_band_data_t* oob_data) {
   2268   bdcpy(oob_cb.bdaddr, bd_addr->address);
   2269   memcpy(&oob_cb.oob_data, oob_data, sizeof(bt_out_of_band_data_t));
   2270 
   2271   uint8_t empty[] = {0, 0, 0, 0, 0, 0, 0};
   2272   // If LE Bluetooth Device Address is provided, use provided address type
   2273   // value.
   2274   if (memcmp(oob_data->le_bt_dev_addr, empty, 7) != 0) {
   2275     /* byte no 7 is address type in LE Bluetooth Address OOB data */
   2276     uint8_t address_type = oob_data->le_bt_dev_addr[6];
   2277     if (address_type == BLE_ADDR_PUBLIC || address_type == BLE_ADDR_RANDOM) {
   2278       // bd_addr->address is already reversed, so use it instead of
   2279       // oob_data->le_bt_dev_addr
   2280       BTM_SecAddBleDevice(bd_addr->address, NULL, BT_DEVICE_TYPE_BLE,
   2281                           address_type);
   2282     }
   2283   }
   2284 
   2285   bdstr_t bdstr;
   2286   BTIF_TRACE_EVENT("%s: bd_addr=%s, transport=%d", __func__,
   2287                    bdaddr_to_string(bd_addr, bdstr, sizeof(bdstr)), transport);
   2288   return btif_dm_create_bond(bd_addr, transport);
   2289 }
   2290 
   2291 /*******************************************************************************
   2292  *
   2293  * Function         btif_dm_cancel_bond
   2294  *
   2295  * Description      Initiate bonding with the specified device
   2296  *
   2297  * Returns          bt_status_t
   2298  *
   2299  ******************************************************************************/
   2300 
   2301 bt_status_t btif_dm_cancel_bond(const bt_bdaddr_t* bd_addr) {
   2302   bdstr_t bdstr;
   2303 
   2304   BTIF_TRACE_EVENT("%s: bd_addr=%s", __func__,
   2305                    bdaddr_to_string(bd_addr, bdstr, sizeof(bdstr)));
   2306 
   2307   btif_stats_add_bond_event(bd_addr, BTIF_DM_FUNC_CANCEL_BOND,
   2308                             pairing_cb.state);
   2309 
   2310   /* TODO:
   2311   **  1. Restore scan modes
   2312   **  2. special handling for HID devices
   2313   */
   2314   if (pairing_cb.state == BT_BOND_STATE_BONDING) {
   2315     if (pairing_cb.is_ssp) {
   2316       if (pairing_cb.is_le_only) {
   2317         BTA_DmBleSecurityGrant((uint8_t*)bd_addr->address,
   2318                                BTA_DM_SEC_PAIR_NOT_SPT);
   2319       } else {
   2320         BTA_DmConfirm((uint8_t*)bd_addr->address, false);
   2321         BTA_DmBondCancel((uint8_t*)bd_addr->address);
   2322         btif_storage_remove_bonded_device((bt_bdaddr_t*)bd_addr);
   2323       }
   2324     } else {
   2325       if (pairing_cb.is_le_only) {
   2326         BTA_DmBondCancel((uint8_t*)bd_addr->address);
   2327       } else {
   2328         BTA_DmPinReply((uint8_t*)bd_addr->address, false, 0, NULL);
   2329       }
   2330       /* Cancel bonding, in case it is in ACL connection setup state */
   2331       BTA_DmBondCancel((uint8_t*)bd_addr->address);
   2332     }
   2333   }
   2334 
   2335   return BT_STATUS_SUCCESS;
   2336 }
   2337 
   2338 /*******************************************************************************
   2339  *
   2340  * Function         btif_dm_hh_open_failed
   2341  *
   2342  * Description      informs the upper layers if the HH have failed during
   2343  *                  bonding
   2344  *
   2345  * Returns          none
   2346  *
   2347  ******************************************************************************/
   2348 
   2349 void btif_dm_hh_open_failed(bt_bdaddr_t* bdaddr) {
   2350   if (pairing_cb.state == BT_BOND_STATE_BONDING &&
   2351       bdcmp(bdaddr->address, pairing_cb.bd_addr) == 0) {
   2352     bond_state_changed(BT_STATUS_FAIL, bdaddr, BT_BOND_STATE_NONE);
   2353   }
   2354 }
   2355 
   2356 /*******************************************************************************
   2357  *
   2358  * Function         btif_dm_remove_bond
   2359  *
   2360  * Description      Removes bonding with the specified device
   2361  *
   2362  * Returns          bt_status_t
   2363  *
   2364  ******************************************************************************/
   2365 
   2366 bt_status_t btif_dm_remove_bond(const bt_bdaddr_t* bd_addr) {
   2367   bdstr_t bdstr;
   2368 
   2369   BTIF_TRACE_EVENT("%s: bd_addr=%s", __func__,
   2370                    bdaddr_to_string(bd_addr, bdstr, sizeof(bdstr)));
   2371 
   2372   btif_stats_add_bond_event(bd_addr, BTIF_DM_FUNC_REMOVE_BOND,
   2373                             pairing_cb.state);
   2374 
   2375   btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_REMOVE_BOND,
   2376                         (char*)bd_addr, sizeof(bt_bdaddr_t), NULL);
   2377 
   2378   return BT_STATUS_SUCCESS;
   2379 }
   2380 
   2381 /*******************************************************************************
   2382  *
   2383  * Function         btif_dm_pin_reply
   2384  *
   2385  * Description      BT legacy pairing - PIN code reply
   2386  *
   2387  * Returns          bt_status_t
   2388  *
   2389  ******************************************************************************/
   2390 
   2391 bt_status_t btif_dm_pin_reply(const bt_bdaddr_t* bd_addr, uint8_t accept,
   2392                               uint8_t pin_len, bt_pin_code_t* pin_code) {
   2393   BTIF_TRACE_EVENT("%s: accept=%d", __func__, accept);
   2394   if (pin_code == NULL || pin_len > PIN_CODE_LEN) return BT_STATUS_FAIL;
   2395   if (pairing_cb.is_le_only) {
   2396     int i;
   2397     uint32_t passkey = 0;
   2398     int multi[] = {100000, 10000, 1000, 100, 10, 1};
   2399     BD_ADDR remote_bd_addr;
   2400     bdcpy(remote_bd_addr, bd_addr->address);
   2401     for (i = 0; i < 6; i++) {
   2402       passkey += (multi[i] * (pin_code->pin[i] - '0'));
   2403     }
   2404     BTIF_TRACE_DEBUG("btif_dm_pin_reply: passkey: %d", passkey);
   2405     BTA_DmBlePasskeyReply(remote_bd_addr, accept, passkey);
   2406 
   2407   } else {
   2408     BTA_DmPinReply((uint8_t*)bd_addr->address, accept, pin_len, pin_code->pin);
   2409     if (accept) pairing_cb.pin_code_len = pin_len;
   2410   }
   2411   return BT_STATUS_SUCCESS;
   2412 }
   2413 
   2414 /*******************************************************************************
   2415  *
   2416  * Function         btif_dm_ssp_reply
   2417  *
   2418  * Description      BT SSP Reply - Just Works, Numeric Comparison & Passkey
   2419  *                  Entry
   2420  *
   2421  * Returns          bt_status_t
   2422  *
   2423  ******************************************************************************/
   2424 bt_status_t btif_dm_ssp_reply(const bt_bdaddr_t* bd_addr,
   2425                               bt_ssp_variant_t variant, uint8_t accept,
   2426                               UNUSED_ATTR uint32_t passkey) {
   2427   if (variant == BT_SSP_VARIANT_PASSKEY_ENTRY) {
   2428     /* This is not implemented in the stack.
   2429      * For devices with display, this is not needed
   2430     */
   2431     BTIF_TRACE_WARNING("%s: Not implemented", __func__);
   2432     return BT_STATUS_FAIL;
   2433   }
   2434   /* BT_SSP_VARIANT_CONSENT & BT_SSP_VARIANT_PASSKEY_CONFIRMATION supported */
   2435   BTIF_TRACE_EVENT("%s: accept=%d", __func__, accept);
   2436   if (pairing_cb.is_le_only) {
   2437     if (pairing_cb.is_le_nc) {
   2438       BTA_DmBleConfirmReply((uint8_t*)bd_addr->address, accept);
   2439     } else {
   2440       if (accept)
   2441         BTA_DmBleSecurityGrant((uint8_t*)bd_addr->address, BTA_DM_SEC_GRANTED);
   2442       else
   2443         BTA_DmBleSecurityGrant((uint8_t*)bd_addr->address,
   2444                                BTA_DM_SEC_PAIR_NOT_SPT);
   2445     }
   2446   } else {
   2447     BTA_DmConfirm((uint8_t*)bd_addr->address, accept);
   2448   }
   2449   return BT_STATUS_SUCCESS;
   2450 }
   2451 
   2452 /*******************************************************************************
   2453  *
   2454  * Function         btif_dm_get_adapter_property
   2455  *
   2456  * Description     Queries the BTA for the adapter property
   2457  *
   2458  * Returns          bt_status_t
   2459  *
   2460  ******************************************************************************/
   2461 bt_status_t btif_dm_get_adapter_property(bt_property_t* prop) {
   2462   BTIF_TRACE_EVENT("%s: type=0x%x", __func__, prop->type);
   2463   switch (prop->type) {
   2464     case BT_PROPERTY_BDNAME: {
   2465       bt_bdname_t* bd_name = (bt_bdname_t*)prop->val;
   2466       strncpy((char*)bd_name->name, (char*)btif_get_default_local_name(),
   2467               sizeof(bd_name->name) - 1);
   2468       bd_name->name[sizeof(bd_name->name) - 1] = 0;
   2469       prop->len = strlen((char*)bd_name->name);
   2470     } break;
   2471 
   2472     case BT_PROPERTY_ADAPTER_SCAN_MODE: {
   2473       /* if the storage does not have it. Most likely app never set it. Default
   2474        * is NONE */
   2475       bt_scan_mode_t* mode = (bt_scan_mode_t*)prop->val;
   2476       *mode = BT_SCAN_MODE_NONE;
   2477       prop->len = sizeof(bt_scan_mode_t);
   2478     } break;
   2479 
   2480     case BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT: {
   2481       uint32_t* tmt = (uint32_t*)prop->val;
   2482       *tmt = 120; /* default to 120s, if not found in NV */
   2483       prop->len = sizeof(uint32_t);
   2484     } break;
   2485 
   2486     default:
   2487       prop->len = 0;
   2488       return BT_STATUS_FAIL;
   2489   }
   2490   return BT_STATUS_SUCCESS;
   2491 }
   2492 
   2493 /*******************************************************************************
   2494  *
   2495  * Function         btif_dm_get_remote_services
   2496  *
   2497  * Description      Start SDP to get remote services
   2498  *
   2499  * Returns          bt_status_t
   2500  *
   2501  ******************************************************************************/
   2502 bt_status_t btif_dm_get_remote_services(bt_bdaddr_t* remote_addr) {
   2503   bdstr_t bdstr;
   2504 
   2505   BTIF_TRACE_EVENT("%s: remote_addr=%s", __func__,
   2506                    bdaddr_to_string(remote_addr, bdstr, sizeof(bdstr)));
   2507 
   2508   BTA_DmDiscover(remote_addr->address, BTA_ALL_SERVICE_MASK,
   2509                  bte_dm_search_services_evt, true);
   2510 
   2511   return BT_STATUS_SUCCESS;
   2512 }
   2513 
   2514 /*******************************************************************************
   2515  *
   2516  * Function         btif_dm_get_remote_services_transport
   2517  *
   2518  * Description      Start SDP to get remote services by transport
   2519  *
   2520  * Returns          bt_status_t
   2521  *
   2522  ******************************************************************************/
   2523 bt_status_t btif_dm_get_remote_services_by_transport(bt_bdaddr_t* remote_addr,
   2524                                                      const int transport) {
   2525   BTIF_TRACE_EVENT("%s", __func__);
   2526 
   2527   /* Set the mask extension */
   2528   tBTA_SERVICE_MASK_EXT mask_ext;
   2529   mask_ext.num_uuid = 0;
   2530   mask_ext.p_uuid = NULL;
   2531   mask_ext.srvc_mask = BTA_ALL_SERVICE_MASK;
   2532 
   2533   BTA_DmDiscoverByTransport(remote_addr->address, &mask_ext,
   2534                             bte_dm_search_services_evt, true, transport);
   2535 
   2536   return BT_STATUS_SUCCESS;
   2537 }
   2538 
   2539 /*******************************************************************************
   2540  *
   2541  * Function         btif_dm_get_remote_service_record
   2542  *
   2543  * Description      Start SDP to get remote service record
   2544  *
   2545  *
   2546  * Returns          bt_status_t
   2547  ******************************************************************************/
   2548 bt_status_t btif_dm_get_remote_service_record(bt_bdaddr_t* remote_addr,
   2549                                               bt_uuid_t* uuid) {
   2550   tSDP_UUID sdp_uuid;
   2551   bdstr_t bdstr;
   2552 
   2553   BTIF_TRACE_EVENT("%s: remote_addr=%s", __func__,
   2554                    bdaddr_to_string(remote_addr, bdstr, sizeof(bdstr)));
   2555 
   2556   sdp_uuid.len = MAX_UUID_SIZE;
   2557   memcpy(sdp_uuid.uu.uuid128, uuid->uu, MAX_UUID_SIZE);
   2558 
   2559   BTA_DmDiscoverUUID(remote_addr->address, &sdp_uuid,
   2560                      bte_dm_remote_service_record_evt, true);
   2561 
   2562   return BT_STATUS_SUCCESS;
   2563 }
   2564 
   2565 void btif_dm_execute_service_request(uint16_t event, char* p_param) {
   2566   bool b_enable = false;
   2567   bt_status_t status;
   2568   if (event == BTIF_DM_ENABLE_SERVICE) {
   2569     b_enable = true;
   2570   }
   2571   status =
   2572       btif_in_execute_service_request(*((tBTA_SERVICE_ID*)p_param), b_enable);
   2573   if (status == BT_STATUS_SUCCESS) {
   2574     bt_property_t property;
   2575     bt_uuid_t local_uuids[BT_MAX_NUM_UUIDS];
   2576 
   2577     /* Now send the UUID_PROPERTY_CHANGED event to the upper layer */
   2578     BTIF_STORAGE_FILL_PROPERTY(&property, BT_PROPERTY_UUIDS,
   2579                                sizeof(local_uuids), local_uuids);
   2580     btif_storage_get_adapter_property(&property);
   2581     HAL_CBACK(bt_hal_cbacks, adapter_properties_cb, BT_STATUS_SUCCESS, 1,
   2582               &property);
   2583   }
   2584   return;
   2585 }
   2586 
   2587 void btif_dm_proc_io_req(UNUSED_ATTR BD_ADDR bd_addr,
   2588                          UNUSED_ATTR tBTA_IO_CAP* p_io_cap,
   2589                          UNUSED_ATTR tBTA_OOB_DATA* p_oob_data,
   2590                          tBTA_AUTH_REQ* p_auth_req, bool is_orig) {
   2591   uint8_t yes_no_bit = BTA_AUTH_SP_YES & *p_auth_req;
   2592   /* if local initiated:
   2593   **      1. set DD + MITM
   2594   ** if remote initiated:
   2595   **      1. Copy over the auth_req from peer's io_rsp
   2596   **      2. Set the MITM if peer has it set or if peer has DisplayYesNo
   2597   *(iPhone)
   2598   ** as a fallback set MITM+GB if peer had MITM set
   2599   */
   2600 
   2601   BTIF_TRACE_DEBUG("+%s: p_auth_req=%d", __func__, *p_auth_req);
   2602   if (pairing_cb.is_local_initiated) {
   2603     /* if initing/responding to a dedicated bonding, use dedicate bonding bit */
   2604     *p_auth_req = BTA_AUTH_DD_BOND | BTA_AUTH_SP_YES;
   2605   } else if (!is_orig) {
   2606     /* peer initiated paring. They probably know what they want.
   2607     ** Copy the mitm from peer device.
   2608     */
   2609     BTIF_TRACE_DEBUG("%s: setting p_auth_req to peer's: %d", __func__,
   2610                      pairing_cb.auth_req);
   2611     *p_auth_req = (pairing_cb.auth_req & BTA_AUTH_BONDS);
   2612 
   2613     /* copy over the MITM bit as well. In addition if the peer has DisplayYesNo,
   2614      * force MITM */
   2615     if ((yes_no_bit) || (pairing_cb.io_cap & BTM_IO_CAP_IO))
   2616       *p_auth_req |= BTA_AUTH_SP_YES;
   2617   } else if (yes_no_bit) {
   2618     /* set the general bonding bit for stored device */
   2619     *p_auth_req = BTA_AUTH_GEN_BOND | yes_no_bit;
   2620   }
   2621   BTIF_TRACE_DEBUG("-%s: p_auth_req=%d", __func__, *p_auth_req);
   2622 }
   2623 
   2624 void btif_dm_proc_io_rsp(UNUSED_ATTR BD_ADDR bd_addr, tBTA_IO_CAP io_cap,
   2625                          UNUSED_ATTR tBTA_OOB_DATA oob_data,
   2626                          tBTA_AUTH_REQ auth_req) {
   2627   if (auth_req & BTA_AUTH_BONDS) {
   2628     BTIF_TRACE_DEBUG("%s auth_req:%d", __func__, auth_req);
   2629     pairing_cb.auth_req = auth_req;
   2630     pairing_cb.io_cap = io_cap;
   2631   }
   2632 }
   2633 
   2634 void btif_dm_set_oob_for_io_req(tBTA_OOB_DATA* p_has_oob_data) {
   2635   if (is_empty_128bit(oob_cb.oob_data.c192)) {
   2636     *p_has_oob_data = false;
   2637   } else {
   2638     *p_has_oob_data = true;
   2639   }
   2640   BTIF_TRACE_DEBUG("%s: *p_has_oob_data=%d", __func__, *p_has_oob_data);
   2641 }
   2642 
   2643 void btif_dm_set_oob_for_le_io_req(BD_ADDR bd_addr,
   2644                                    tBTA_OOB_DATA* p_has_oob_data,
   2645                                    tBTA_LE_AUTH_REQ* p_auth_req) {
   2646   if (!is_empty_128bit(oob_cb.oob_data.le_sc_c) &&
   2647       !is_empty_128bit(oob_cb.oob_data.le_sc_r)) {
   2648     /* We have LE SC OOB data */
   2649 
   2650     /* make sure OOB data is for this particular device */
   2651     if (memcmp(bd_addr, oob_cb.bdaddr, BD_ADDR_LEN) == 0) {
   2652       *p_auth_req = ((*p_auth_req) | BTM_LE_AUTH_REQ_SC_ONLY);
   2653       *p_has_oob_data = true;
   2654     } else {
   2655       *p_has_oob_data = false;
   2656       BTIF_TRACE_WARNING("%s: remote address didn't match OOB data address",
   2657                          __func__);
   2658     }
   2659   } else if (!is_empty_128bit(oob_cb.oob_data.sm_tk)) {
   2660     /* We have security manager TK */
   2661 
   2662     /* make sure OOB data is for this particular device */
   2663     if (memcmp(bd_addr, oob_cb.bdaddr, BD_ADDR_LEN) == 0) {
   2664       // When using OOB with TK, SC Secure Connections bit must be disabled.
   2665       tBTA_LE_AUTH_REQ mask = ~BTM_LE_AUTH_REQ_SC_ONLY;
   2666       *p_auth_req = ((*p_auth_req) & mask);
   2667 
   2668       *p_has_oob_data = true;
   2669     } else {
   2670       *p_has_oob_data = false;
   2671       BTIF_TRACE_WARNING("%s: remote address didn't match OOB data address",
   2672                          __func__);
   2673     }
   2674   } else {
   2675     *p_has_oob_data = false;
   2676   }
   2677   BTIF_TRACE_DEBUG("%s *p_has_oob_data=%d", __func__, *p_has_oob_data);
   2678 }
   2679 
   2680 #ifdef BTIF_DM_OOB_TEST
   2681 void btif_dm_load_local_oob(void) {
   2682   char prop_oob[PROPERTY_VALUE_MAX];
   2683   osi_property_get("service.brcm.bt.oob", prop_oob, "3");
   2684   BTIF_TRACE_DEBUG("%s: prop_oob = %s", __func__, prop_oob);
   2685   if (prop_oob[0] != '3') {
   2686     if (is_empty_128bit(oob_cb.oob_data.c192)) {
   2687       BTIF_TRACE_DEBUG("%s: read OOB, call BTA_DmLocalOob()", __func__);
   2688       BTA_DmLocalOob();
   2689     }
   2690   }
   2691 }
   2692 
   2693 void btif_dm_proc_loc_oob(bool valid, BT_OCTET16 c, BT_OCTET16 r) {
   2694   FILE* fp;
   2695   const char* path_a = "/data/misc/bluedroid/LOCAL/a.key";
   2696   const char* path_b = "/data/misc/bluedroid/LOCAL/b.key";
   2697   const char* path = NULL;
   2698   char prop_oob[PROPERTY_VALUE_MAX];
   2699   BTIF_TRACE_DEBUG("%s: valid=%d", __func__, valid);
   2700   if (is_empty_128bit(oob_cb.oob_data.c192) && valid) {
   2701     BTIF_TRACE_DEBUG("save local OOB data in memory");
   2702     memcpy(oob_cb.oob_data.c192, c, BT_OCTET16_LEN);
   2703     memcpy(oob_cb.oob_data.r192, r, BT_OCTET16_LEN);
   2704     osi_property_get("service.brcm.bt.oob", prop_oob, "3");
   2705     BTIF_TRACE_DEBUG("%s: prop_oob = %s", __func__, prop_oob);
   2706     if (prop_oob[0] == '1')
   2707       path = path_a;
   2708     else if (prop_oob[0] == '2')
   2709       path = path_b;
   2710     if (path) {
   2711       fp = fopen(path, "wb+");
   2712       if (fp == NULL) {
   2713         BTIF_TRACE_DEBUG("%s: failed to save local OOB data to %s", __func__,
   2714                          path);
   2715       } else {
   2716         BTIF_TRACE_DEBUG("%s: save local OOB data into file %s", __func__,
   2717                          path);
   2718         fwrite(c, 1, BT_OCTET16_LEN, fp);
   2719         fwrite(r, 1, BT_OCTET16_LEN, fp);
   2720         fclose(fp);
   2721       }
   2722     }
   2723   }
   2724 }
   2725 
   2726 /*******************************************************************************
   2727  *
   2728  * Function         btif_dm_get_smp_config
   2729  *
   2730  * Description      Retrieve the SMP pairing options from the bt_stack.conf
   2731  *                  file. To provide specific pairing options for the host
   2732  *                  add a node with label "SmpOptions" to the config file
   2733  *                  and assign it a comma separated list of 5 values in the
   2734  *                  format: auth, io, ikey, rkey, ksize, oob
   2735  *                  eg: PTS_SmpOptions=0xD,0x4,0xf,0xf,0x10
   2736  *
   2737  * Parameters:      tBTE_APPL_CFG*: pointer to struct defining pairing options
   2738  *
   2739  * Returns          true if the options were successfully read, else false
   2740  *
   2741  ******************************************************************************/
   2742 bool btif_dm_get_smp_config(tBTE_APPL_CFG* p_cfg) {
   2743   if (!stack_config_get_interface()->get_pts_smp_options()) {
   2744     BTIF_TRACE_DEBUG("%s: SMP options not found in configuration", __func__);
   2745     return false;
   2746   }
   2747 
   2748   char conf[64];
   2749   const char* recv = stack_config_get_interface()->get_pts_smp_options();
   2750   char* pch;
   2751   char* endptr;
   2752 
   2753   strncpy(conf, recv, 64);
   2754   conf[63] = 0;  // null terminate
   2755 
   2756   pch = strtok(conf, ",");
   2757   if (pch != NULL)
   2758     p_cfg->ble_auth_req = (uint8_t)strtoul(pch, &endptr, 16);
   2759   else
   2760     return false;
   2761 
   2762   pch = strtok(NULL, ",");
   2763   if (pch != NULL)
   2764     p_cfg->ble_io_cap = (uint8_t)strtoul(pch, &endptr, 16);
   2765   else
   2766     return false;
   2767 
   2768   pch = strtok(NULL, ",");
   2769   if (pch != NULL)
   2770     p_cfg->ble_init_key = (uint8_t)strtoul(pch, &endptr, 16);
   2771   else
   2772     return false;
   2773 
   2774   pch = strtok(NULL, ",");
   2775   if (pch != NULL)
   2776     p_cfg->ble_resp_key = (uint8_t)strtoul(pch, &endptr, 16);
   2777   else
   2778     return false;
   2779 
   2780   pch = strtok(NULL, ",");
   2781   if (pch != NULL)
   2782     p_cfg->ble_max_key_size = (uint8_t)strtoul(pch, &endptr, 16);
   2783   else
   2784     return false;
   2785 
   2786   return true;
   2787 }
   2788 
   2789 bool btif_dm_proc_rmt_oob(BD_ADDR bd_addr, BT_OCTET16 p_c, BT_OCTET16 p_r) {
   2790   char t[128];
   2791   FILE* fp;
   2792   const char* path_a = "/data/misc/bluedroid/LOCAL/a.key";
   2793   const char* path_b = "/data/misc/bluedroid/LOCAL/b.key";
   2794   const char* path = NULL;
   2795   char prop_oob[PROPERTY_VALUE_MAX];
   2796   bool result = false;
   2797   bt_bdaddr_t bt_bd_addr;
   2798   bdcpy(oob_cb.bdaddr, bd_addr);
   2799   osi_property_get("service.brcm.bt.oob", prop_oob, "3");
   2800   BTIF_TRACE_DEBUG("%s: prop_oob = %s", __func__, prop_oob);
   2801   if (prop_oob[0] == '1')
   2802     path = path_b;
   2803   else if (prop_oob[0] == '2')
   2804     path = path_a;
   2805   if (path) {
   2806     fp = fopen(path, "rb");
   2807     if (fp == NULL) {
   2808       BTIF_TRACE_DEBUG("%s: failed to read OOB keys from %s", __func__, path);
   2809       return false;
   2810     } else {
   2811       BTIF_TRACE_DEBUG("%s: read OOB data from %s", __func__, path);
   2812       fread(p_c, 1, BT_OCTET16_LEN, fp);
   2813       fread(p_r, 1, BT_OCTET16_LEN, fp);
   2814       fclose(fp);
   2815     }
   2816     BTIF_TRACE_DEBUG("----%s: true", __func__);
   2817     snprintf(t, sizeof(t), "%02x:%02x:%02x:%02x:%02x:%02x", oob_cb.bdaddr[0],
   2818              oob_cb.bdaddr[1], oob_cb.bdaddr[2], oob_cb.bdaddr[3],
   2819              oob_cb.bdaddr[4], oob_cb.bdaddr[5]);
   2820     BTIF_TRACE_DEBUG("----%s: peer_bdaddr = %s", __func__, t);
   2821     snprintf(t, sizeof(t),
   2822              "%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x "
   2823              "%02x %02x %02x",
   2824              p_c[0], p_c[1], p_c[2], p_c[3], p_c[4], p_c[5], p_c[6], p_c[7],
   2825              p_c[8], p_c[9], p_c[10], p_c[11], p_c[12], p_c[13], p_c[14],
   2826              p_c[15]);
   2827     BTIF_TRACE_DEBUG("----%s: c = %s", __func__, t);
   2828     snprintf(t, sizeof(t),
   2829              "%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x "
   2830              "%02x %02x %02x",
   2831              p_r[0], p_r[1], p_r[2], p_r[3], p_r[4], p_r[5], p_r[6], p_r[7],
   2832              p_r[8], p_r[9], p_r[10], p_r[11], p_r[12], p_r[13], p_r[14],
   2833              p_r[15]);
   2834     BTIF_TRACE_DEBUG("----%s: r = %s", __func__, t);
   2835     bdcpy(bt_bd_addr.address, bd_addr);
   2836     btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_BOND_STATE_BONDING,
   2837                           (char*)&bt_bd_addr, sizeof(bt_bdaddr_t), NULL);
   2838     result = true;
   2839   }
   2840   BTIF_TRACE_DEBUG("%s: result=%d", __func__, result);
   2841   return result;
   2842 }
   2843 #endif /*  BTIF_DM_OOB_TEST */
   2844 
   2845 static void btif_dm_ble_key_notif_evt(tBTA_DM_SP_KEY_NOTIF* p_ssp_key_notif) {
   2846   bt_bdaddr_t bd_addr;
   2847   bt_bdname_t bd_name;
   2848   uint32_t cod;
   2849   int dev_type;
   2850 
   2851   BTIF_TRACE_DEBUG("%s", __func__);
   2852 
   2853   /* Remote name update */
   2854   if (!btif_get_device_type(p_ssp_key_notif->bd_addr, &dev_type)) {
   2855     dev_type = BT_DEVICE_TYPE_BLE;
   2856   }
   2857   btif_dm_update_ble_remote_properties(p_ssp_key_notif->bd_addr,
   2858                                        p_ssp_key_notif->bd_name,
   2859                                        (tBT_DEVICE_TYPE)dev_type);
   2860   bdcpy(bd_addr.address, p_ssp_key_notif->bd_addr);
   2861   memcpy(bd_name.name, p_ssp_key_notif->bd_name, BD_NAME_LEN);
   2862 
   2863   bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
   2864   pairing_cb.is_ssp = false;
   2865   cod = COD_UNCLASSIFIED;
   2866 
   2867   HAL_CBACK(bt_hal_cbacks, ssp_request_cb, &bd_addr, &bd_name, cod,
   2868             BT_SSP_VARIANT_PASSKEY_NOTIFICATION, p_ssp_key_notif->passkey);
   2869 }
   2870 
   2871 /*******************************************************************************
   2872  *
   2873  * Function         btif_dm_ble_auth_cmpl_evt
   2874  *
   2875  * Description      Executes authentication complete event in btif context
   2876  *
   2877  * Returns          void
   2878  *
   2879  ******************************************************************************/
   2880 static void btif_dm_ble_auth_cmpl_evt(tBTA_DM_AUTH_CMPL* p_auth_cmpl) {
   2881   /* Save link key, if not temporary */
   2882   bt_bdaddr_t bd_addr;
   2883   bt_status_t status = BT_STATUS_FAIL;
   2884   bt_bond_state_t state = BT_BOND_STATE_NONE;
   2885 
   2886   bdcpy(bd_addr.address, p_auth_cmpl->bd_addr);
   2887 
   2888   /* Clear OOB data */
   2889   memset(&oob_cb, 0, sizeof(oob_cb));
   2890 
   2891   if ((p_auth_cmpl->success == true) && (p_auth_cmpl->key_present)) {
   2892     /* store keys */
   2893   }
   2894   if (p_auth_cmpl->success) {
   2895     status = BT_STATUS_SUCCESS;
   2896     state = BT_BOND_STATE_BONDED;
   2897     int addr_type;
   2898     bt_bdaddr_t bdaddr;
   2899     bdcpy(bdaddr.address, p_auth_cmpl->bd_addr);
   2900     if (btif_storage_get_remote_addr_type(&bdaddr, &addr_type) !=
   2901         BT_STATUS_SUCCESS)
   2902       btif_storage_set_remote_addr_type(&bdaddr, p_auth_cmpl->addr_type);
   2903 
   2904     /* Test for temporary bonding */
   2905     if (btm_get_bond_type_dev(p_auth_cmpl->bd_addr) == BOND_TYPE_TEMPORARY) {
   2906       BTIF_TRACE_DEBUG("%s: sending BT_BOND_STATE_NONE for Temp pairing",
   2907                        __func__);
   2908       btif_storage_remove_bonded_device(&bdaddr);
   2909       state = BT_BOND_STATE_NONE;
   2910     } else {
   2911       btif_dm_save_ble_bonding_keys();
   2912       BTA_GATTC_Refresh(bd_addr.address);
   2913       btif_dm_get_remote_services_by_transport(&bd_addr, BTA_GATT_TRANSPORT_LE);
   2914     }
   2915   } else {
   2916     /*Map the HCI fail reason  to  bt status  */
   2917     switch (p_auth_cmpl->fail_reason) {
   2918       case BTA_DM_AUTH_SMP_PAIR_AUTH_FAIL:
   2919       case BTA_DM_AUTH_SMP_CONFIRM_VALUE_FAIL:
   2920       case BTA_DM_AUTH_SMP_UNKNOWN_ERR:
   2921       case BTA_DM_AUTH_SMP_CONN_TOUT:
   2922         btif_dm_remove_ble_bonding_keys();
   2923         status = BT_STATUS_AUTH_FAILURE;
   2924         break;
   2925       case BTA_DM_AUTH_SMP_PAIR_NOT_SUPPORT:
   2926         status = BT_STATUS_AUTH_REJECTED;
   2927         break;
   2928       default:
   2929         btif_dm_remove_ble_bonding_keys();
   2930         status = BT_STATUS_FAIL;
   2931         break;
   2932     }
   2933   }
   2934   bond_state_changed(status, &bd_addr, state);
   2935 }
   2936 
   2937 void btif_dm_load_ble_local_keys(void) {
   2938   memset(&ble_local_key_cb, 0, sizeof(btif_dm_local_key_cb_t));
   2939 
   2940   if (btif_storage_get_ble_local_key(BTIF_DM_LE_LOCAL_KEY_ER,
   2941                                      (char*)&ble_local_key_cb.er[0],
   2942                                      BT_OCTET16_LEN) == BT_STATUS_SUCCESS) {
   2943     ble_local_key_cb.is_er_rcvd = true;
   2944     BTIF_TRACE_DEBUG("%s BLE ER key loaded", __func__);
   2945   }
   2946 
   2947   if ((btif_storage_get_ble_local_key(BTIF_DM_LE_LOCAL_KEY_IR,
   2948                                       (char*)&ble_local_key_cb.id_keys.ir[0],
   2949                                       BT_OCTET16_LEN) == BT_STATUS_SUCCESS) &&
   2950       (btif_storage_get_ble_local_key(BTIF_DM_LE_LOCAL_KEY_IRK,
   2951                                       (char*)&ble_local_key_cb.id_keys.irk[0],
   2952                                       BT_OCTET16_LEN) == BT_STATUS_SUCCESS) &&
   2953       (btif_storage_get_ble_local_key(BTIF_DM_LE_LOCAL_KEY_DHK,
   2954                                       (char*)&ble_local_key_cb.id_keys.dhk[0],
   2955                                       BT_OCTET16_LEN) == BT_STATUS_SUCCESS)) {
   2956     ble_local_key_cb.is_id_keys_rcvd = true;
   2957     BTIF_TRACE_DEBUG("%s BLE ID keys loaded", __func__);
   2958   }
   2959 }
   2960 void btif_dm_get_ble_local_keys(tBTA_DM_BLE_LOCAL_KEY_MASK* p_key_mask,
   2961                                 BT_OCTET16 er,
   2962                                 tBTA_BLE_LOCAL_ID_KEYS* p_id_keys) {
   2963   if (ble_local_key_cb.is_er_rcvd) {
   2964     memcpy(&er[0], &ble_local_key_cb.er[0], sizeof(BT_OCTET16));
   2965     *p_key_mask |= BTA_BLE_LOCAL_KEY_TYPE_ER;
   2966   }
   2967 
   2968   if (ble_local_key_cb.is_id_keys_rcvd) {
   2969     memcpy(&p_id_keys->ir[0], &ble_local_key_cb.id_keys.ir[0],
   2970            sizeof(BT_OCTET16));
   2971     memcpy(&p_id_keys->irk[0], &ble_local_key_cb.id_keys.irk[0],
   2972            sizeof(BT_OCTET16));
   2973     memcpy(&p_id_keys->dhk[0], &ble_local_key_cb.id_keys.dhk[0],
   2974            sizeof(BT_OCTET16));
   2975     *p_key_mask |= BTA_BLE_LOCAL_KEY_TYPE_ID;
   2976   }
   2977   BTIF_TRACE_DEBUG("%s  *p_key_mask=0x%02x", __func__, *p_key_mask);
   2978 }
   2979 
   2980 void btif_dm_save_ble_bonding_keys(void) {
   2981   bt_bdaddr_t bd_addr;
   2982 
   2983   BTIF_TRACE_DEBUG("%s", __func__);
   2984 
   2985   bdcpy(bd_addr.address, pairing_cb.bd_addr);
   2986 
   2987   if (pairing_cb.ble.is_penc_key_rcvd) {
   2988     btif_storage_add_ble_bonding_key(&bd_addr, (char*)&pairing_cb.ble.penc_key,
   2989                                      BTIF_DM_LE_KEY_PENC,
   2990                                      sizeof(tBTM_LE_PENC_KEYS));
   2991   }
   2992 
   2993   if (pairing_cb.ble.is_pid_key_rcvd) {
   2994     btif_storage_add_ble_bonding_key(&bd_addr, (char*)&pairing_cb.ble.pid_key,
   2995                                      BTIF_DM_LE_KEY_PID,
   2996                                      sizeof(tBTM_LE_PID_KEYS));
   2997   }
   2998 
   2999   if (pairing_cb.ble.is_pcsrk_key_rcvd) {
   3000     btif_storage_add_ble_bonding_key(&bd_addr, (char*)&pairing_cb.ble.pcsrk_key,
   3001                                      BTIF_DM_LE_KEY_PCSRK,
   3002                                      sizeof(tBTM_LE_PCSRK_KEYS));
   3003   }
   3004 
   3005   if (pairing_cb.ble.is_lenc_key_rcvd) {
   3006     btif_storage_add_ble_bonding_key(&bd_addr, (char*)&pairing_cb.ble.lenc_key,
   3007                                      BTIF_DM_LE_KEY_LENC,
   3008                                      sizeof(tBTM_LE_LENC_KEYS));
   3009   }
   3010 
   3011   if (pairing_cb.ble.is_lcsrk_key_rcvd) {
   3012     btif_storage_add_ble_bonding_key(&bd_addr, (char*)&pairing_cb.ble.lcsrk_key,
   3013                                      BTIF_DM_LE_KEY_LCSRK,
   3014                                      sizeof(tBTM_LE_LCSRK_KEYS));
   3015   }
   3016 
   3017   if (pairing_cb.ble.is_lidk_key_rcvd) {
   3018     btif_storage_add_ble_bonding_key(&bd_addr, NULL, BTIF_DM_LE_KEY_LID, 0);
   3019   }
   3020 }
   3021 
   3022 void btif_dm_remove_ble_bonding_keys(void) {
   3023   bt_bdaddr_t bd_addr;
   3024 
   3025   BTIF_TRACE_DEBUG("%s", __func__);
   3026 
   3027   bdcpy(bd_addr.address, pairing_cb.bd_addr);
   3028   btif_storage_remove_ble_bonding_keys(&bd_addr);
   3029 }
   3030 
   3031 /*******************************************************************************
   3032  *
   3033  * Function         btif_dm_ble_sec_req_evt
   3034  *
   3035  * Description      Eprocess security request event in btif context
   3036  *
   3037  * Returns          void
   3038  *
   3039  ******************************************************************************/
   3040 void btif_dm_ble_sec_req_evt(tBTA_DM_BLE_SEC_REQ* p_ble_req) {
   3041   bt_bdaddr_t bd_addr;
   3042   bt_bdname_t bd_name;
   3043   uint32_t cod;
   3044   int dev_type;
   3045 
   3046   BTIF_TRACE_DEBUG("%s", __func__);
   3047 
   3048   if (pairing_cb.state == BT_BOND_STATE_BONDING) {
   3049     BTIF_TRACE_DEBUG("%s Discard security request", __func__);
   3050     return;
   3051   }
   3052 
   3053   /* Remote name update */
   3054   if (!btif_get_device_type(p_ble_req->bd_addr, &dev_type)) {
   3055     dev_type = BT_DEVICE_TYPE_BLE;
   3056   }
   3057   btif_dm_update_ble_remote_properties(p_ble_req->bd_addr, p_ble_req->bd_name,
   3058                                        (tBT_DEVICE_TYPE)dev_type);
   3059 
   3060   bdcpy(bd_addr.address, p_ble_req->bd_addr);
   3061   memcpy(bd_name.name, p_ble_req->bd_name, BD_NAME_LEN);
   3062 
   3063   bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
   3064 
   3065   pairing_cb.bond_type = BOND_TYPE_PERSISTENT;
   3066   pairing_cb.is_le_only = true;
   3067   pairing_cb.is_le_nc = false;
   3068   pairing_cb.is_ssp = true;
   3069   btm_set_bond_type_dev(p_ble_req->bd_addr, pairing_cb.bond_type);
   3070 
   3071   cod = COD_UNCLASSIFIED;
   3072 
   3073   HAL_CBACK(bt_hal_cbacks, ssp_request_cb, &bd_addr, &bd_name, cod,
   3074             BT_SSP_VARIANT_CONSENT, 0);
   3075 }
   3076 
   3077 /*******************************************************************************
   3078  *
   3079  * Function         btif_dm_ble_passkey_req_evt
   3080  *
   3081  * Description      Executes pin request event in btif context
   3082  *
   3083  * Returns          void
   3084  *
   3085  ******************************************************************************/
   3086 static void btif_dm_ble_passkey_req_evt(tBTA_DM_PIN_REQ* p_pin_req) {
   3087   bt_bdaddr_t bd_addr;
   3088   bt_bdname_t bd_name;
   3089   uint32_t cod;
   3090   int dev_type;
   3091 
   3092   /* Remote name update */
   3093   if (!btif_get_device_type(p_pin_req->bd_addr, &dev_type)) {
   3094     dev_type = BT_DEVICE_TYPE_BLE;
   3095   }
   3096   btif_dm_update_ble_remote_properties(p_pin_req->bd_addr, p_pin_req->bd_name,
   3097                                        (tBT_DEVICE_TYPE)dev_type);
   3098 
   3099   bdcpy(bd_addr.address, p_pin_req->bd_addr);
   3100   memcpy(bd_name.name, p_pin_req->bd_name, BD_NAME_LEN);
   3101 
   3102   bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
   3103   pairing_cb.is_le_only = true;
   3104 
   3105   cod = COD_UNCLASSIFIED;
   3106 
   3107   HAL_CBACK(bt_hal_cbacks, pin_request_cb, &bd_addr, &bd_name, cod, false);
   3108 }
   3109 static void btif_dm_ble_key_nc_req_evt(tBTA_DM_SP_KEY_NOTIF* p_notif_req) {
   3110   /* TODO implement key notification for numeric comparison */
   3111   BTIF_TRACE_DEBUG("%s", __func__);
   3112 
   3113   /* Remote name update */
   3114   btif_update_remote_properties(p_notif_req->bd_addr, p_notif_req->bd_name,
   3115                                 NULL, BT_DEVICE_TYPE_BLE);
   3116 
   3117   bt_bdaddr_t bd_addr;
   3118   bdcpy(bd_addr.address, p_notif_req->bd_addr);
   3119 
   3120   bt_bdname_t bd_name;
   3121   memcpy(bd_name.name, p_notif_req->bd_name, BD_NAME_LEN);
   3122 
   3123   bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
   3124   pairing_cb.is_ssp = false;
   3125   pairing_cb.is_le_only = true;
   3126   pairing_cb.is_le_nc = true;
   3127 
   3128   HAL_CBACK(bt_hal_cbacks, ssp_request_cb, &bd_addr, &bd_name, COD_UNCLASSIFIED,
   3129             BT_SSP_VARIANT_PASSKEY_CONFIRMATION, p_notif_req->passkey);
   3130 }
   3131 
   3132 static void btif_dm_ble_oob_req_evt(tBTA_DM_SP_RMT_OOB* req_oob_type) {
   3133   BTIF_TRACE_DEBUG("%s", __func__);
   3134 
   3135   bt_bdaddr_t bd_addr;
   3136   bdcpy(bd_addr.address, req_oob_type->bd_addr);
   3137   /* We already checked if OOB data is present in
   3138    * btif_dm_set_oob_for_le_io_req, but check here again. If it's not present
   3139    * do nothing, pairing will timeout.
   3140    */
   3141   if (is_empty_128bit(oob_cb.oob_data.sm_tk)) {
   3142     return;
   3143   }
   3144 
   3145   /* make sure OOB data is for this particular device */
   3146   if (memcmp(req_oob_type->bd_addr, oob_cb.bdaddr, BD_ADDR_LEN) != 0) {
   3147     BTIF_TRACE_WARNING("%s: remote address didn't match OOB data address",
   3148                        __func__);
   3149     return;
   3150   }
   3151 
   3152   /* Remote name update */
   3153   btif_update_remote_properties(req_oob_type->bd_addr, req_oob_type->bd_name,
   3154                                 NULL, BT_DEVICE_TYPE_BLE);
   3155 
   3156   bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
   3157   pairing_cb.is_ssp = false;
   3158   pairing_cb.is_le_only = true;
   3159   pairing_cb.is_le_nc = false;
   3160 
   3161   BTM_BleOobDataReply(req_oob_type->bd_addr, 0, 16, oob_cb.oob_data.sm_tk);
   3162 }
   3163 
   3164 static void btif_dm_ble_sc_oob_req_evt(tBTA_DM_SP_RMT_OOB* req_oob_type) {
   3165   BTIF_TRACE_DEBUG("%s", __func__);
   3166 
   3167   bt_bdaddr_t bd_addr;
   3168   bdcpy(bd_addr.address, req_oob_type->bd_addr);
   3169 
   3170   /* We already checked if OOB data is present in
   3171    * btif_dm_set_oob_for_le_io_req, but check here again. If it's not present
   3172    * do nothing, pairing will timeout.
   3173    */
   3174   if (is_empty_128bit(oob_cb.oob_data.le_sc_c) &&
   3175       is_empty_128bit(oob_cb.oob_data.le_sc_r)) {
   3176     BTIF_TRACE_WARNING("%s: LE SC OOB data is empty", __func__);
   3177     return;
   3178   }
   3179 
   3180   /* make sure OOB data is for this particular device */
   3181   if (memcmp(req_oob_type->bd_addr, oob_cb.bdaddr, BD_ADDR_LEN) != 0) {
   3182     BTIF_TRACE_WARNING("%s: remote address didn't match OOB data address",
   3183                        __func__);
   3184     return;
   3185   }
   3186 
   3187   /* Remote name update */
   3188   btif_update_remote_properties(req_oob_type->bd_addr, req_oob_type->bd_name,
   3189                                 NULL, BT_DEVICE_TYPE_BLE);
   3190 
   3191   bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
   3192   pairing_cb.is_ssp = false;
   3193   pairing_cb.is_le_only =
   3194       true;  // TODO: we can derive classic pairing from this one
   3195   pairing_cb.is_le_nc = false;
   3196 
   3197   BTM_BleSecureConnectionOobDataReply(
   3198       req_oob_type->bd_addr, oob_cb.oob_data.le_sc_c, oob_cb.oob_data.le_sc_r);
   3199 }
   3200 
   3201 void btif_dm_update_ble_remote_properties(BD_ADDR bd_addr, BD_NAME bd_name,
   3202                                           tBT_DEVICE_TYPE dev_type) {
   3203   btif_update_remote_properties(bd_addr, bd_name, NULL, dev_type);
   3204 }
   3205 
   3206 static void btif_dm_ble_tx_test_cback(void* p) {
   3207   btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_LE_TX_TEST, (char*)p, 1,
   3208                         NULL);
   3209 }
   3210 
   3211 static void btif_dm_ble_rx_test_cback(void* p) {
   3212   btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_LE_RX_TEST, (char*)p, 1,
   3213                         NULL);
   3214 }
   3215 
   3216 static void btif_dm_ble_test_end_cback(void* p) {
   3217   btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_LE_TEST_END, (char*)p,
   3218                         3, NULL);
   3219 }
   3220 /*******************************************************************************
   3221  *
   3222  * Function         btif_le_test_mode
   3223  *
   3224  * Description     Sends a HCI BLE Test command to the Controller
   3225  *
   3226  * Returns          BT_STATUS_SUCCESS on success
   3227  *
   3228  ******************************************************************************/
   3229 bt_status_t btif_le_test_mode(uint16_t opcode, uint8_t* buf, uint8_t len) {
   3230   switch (opcode) {
   3231     case HCI_BLE_TRANSMITTER_TEST:
   3232       if (len != 3) return BT_STATUS_PARM_INVALID;
   3233       BTM_BleTransmitterTest(buf[0], buf[1], buf[2], btif_dm_ble_tx_test_cback);
   3234       break;
   3235     case HCI_BLE_RECEIVER_TEST:
   3236       if (len != 1) return BT_STATUS_PARM_INVALID;
   3237       BTM_BleReceiverTest(buf[0], btif_dm_ble_rx_test_cback);
   3238       break;
   3239     case HCI_BLE_TEST_END:
   3240       BTM_BleTestEnd((tBTM_CMPL_CB*)btif_dm_ble_test_end_cback);
   3241       break;
   3242     default:
   3243       BTIF_TRACE_ERROR("%s: Unknown LE Test Mode Command 0x%x", __func__,
   3244                        opcode);
   3245       return BT_STATUS_UNSUPPORTED;
   3246   }
   3247   return BT_STATUS_SUCCESS;
   3248 }
   3249 
   3250 void btif_dm_on_disable() {
   3251   /* cancel any pending pairing requests */
   3252   if (pairing_cb.state == BT_BOND_STATE_BONDING) {
   3253     bt_bdaddr_t bd_addr;
   3254 
   3255     BTIF_TRACE_DEBUG("%s: Cancel pending pairing request", __func__);
   3256     bdcpy(bd_addr.address, pairing_cb.bd_addr);
   3257     btif_dm_cancel_bond(&bd_addr);
   3258   }
   3259 }
   3260 
   3261 /*******************************************************************************
   3262  *
   3263  * Function         btif_dm_read_energy_info
   3264  *
   3265  * Description     Reads the energy info from controller
   3266  *
   3267  * Returns         void
   3268  *
   3269  ******************************************************************************/
   3270 void btif_dm_read_energy_info() { BTA_DmBleGetEnergyInfo(bta_energy_info_cb); }
   3271 
   3272 static char* btif_get_default_local_name() {
   3273   if (btif_default_local_name[0] == '\0') {
   3274     int max_len = sizeof(btif_default_local_name) - 1;
   3275     if (BTM_DEF_LOCAL_NAME[0] != '\0') {
   3276       strncpy(btif_default_local_name, BTM_DEF_LOCAL_NAME, max_len);
   3277     } else {
   3278       char prop_model[PROPERTY_VALUE_MAX];
   3279       osi_property_get(PROPERTY_PRODUCT_MODEL, prop_model, "");
   3280       strncpy(btif_default_local_name, prop_model, max_len);
   3281     }
   3282     btif_default_local_name[max_len] = '\0';
   3283   }
   3284   return btif_default_local_name;
   3285 }
   3286 
   3287 static void btif_stats_add_bond_event(const bt_bdaddr_t* bd_addr,
   3288                                       bt_bond_function_t function,
   3289                                       bt_bond_state_t state) {
   3290   std::unique_lock<std::mutex> lock(bond_event_lock);
   3291 
   3292   btif_bond_event_t* event = &btif_dm_bond_events[btif_events_end_index];
   3293   memcpy(&event->bd_addr, bd_addr, sizeof(bt_bdaddr_t));
   3294   event->function = function;
   3295   event->state = state;
   3296   clock_gettime(CLOCK_REALTIME, &event->timestamp);
   3297 
   3298   btif_num_bond_events++;
   3299   btif_events_end_index =
   3300       (btif_events_end_index + 1) % (MAX_BTIF_BOND_EVENT_ENTRIES + 1);
   3301   if (btif_events_end_index == btif_events_start_index) {
   3302     btif_events_start_index =
   3303         (btif_events_start_index + 1) % (MAX_BTIF_BOND_EVENT_ENTRIES + 1);
   3304   }
   3305 
   3306   int type;
   3307   btif_get_device_type(bd_addr->address, &type);
   3308 
   3309   system_bt_osi::device_type_t device_type;
   3310   switch (type) {
   3311     case BT_DEVICE_TYPE_BREDR:
   3312       device_type = system_bt_osi::DEVICE_TYPE_BREDR;
   3313       break;
   3314     case BT_DEVICE_TYPE_BLE:
   3315       device_type = system_bt_osi::DEVICE_TYPE_LE;
   3316       break;
   3317     case BT_DEVICE_TYPE_DUMO:
   3318       device_type = system_bt_osi::DEVICE_TYPE_DUMO;
   3319       break;
   3320     default:
   3321       device_type = system_bt_osi::DEVICE_TYPE_UNKNOWN;
   3322       break;
   3323   }
   3324 
   3325   uint32_t cod = get_cod(bd_addr);
   3326   uint64_t ts =
   3327       event->timestamp.tv_sec * 1000 + event->timestamp.tv_nsec / 1000000;
   3328   system_bt_osi::BluetoothMetricsLogger::GetInstance()->LogPairEvent(
   3329       0, ts, cod, device_type);
   3330 }
   3331 
   3332 void btif_debug_bond_event_dump(int fd) {
   3333   std::unique_lock<std::mutex> lock(bond_event_lock);
   3334   dprintf(fd, "\nBond Events: \n");
   3335   dprintf(fd, "  Total Number of events: %zu\n", btif_num_bond_events);
   3336   if (btif_num_bond_events > 0)
   3337     dprintf(fd,
   3338             "  Time          BD_ADDR            Function             State\n");
   3339 
   3340   for (size_t i = btif_events_start_index; i != btif_events_end_index;
   3341        i = (i + 1) % (MAX_BTIF_BOND_EVENT_ENTRIES + 1)) {
   3342     btif_bond_event_t* event = &btif_dm_bond_events[i];
   3343 
   3344     char eventtime[20];
   3345     char temptime[20];
   3346     struct tm* tstamp = localtime(&event->timestamp.tv_sec);
   3347     strftime(temptime, sizeof(temptime), "%H:%M:%S", tstamp);
   3348     snprintf(eventtime, sizeof(eventtime), "%s.%03ld", temptime,
   3349              event->timestamp.tv_nsec / 1000000);
   3350 
   3351     char bdaddr[18];
   3352     bdaddr_to_string(&event->bd_addr, bdaddr, sizeof(bdaddr));
   3353 
   3354     const char* func_name;
   3355     switch (event->function) {
   3356       case BTIF_DM_FUNC_CREATE_BOND:
   3357         func_name = "btif_dm_create_bond";
   3358         break;
   3359       case BTIF_DM_FUNC_REMOVE_BOND:
   3360         func_name = "btif_dm_remove_bond";
   3361         break;
   3362       case BTIF_DM_FUNC_BOND_STATE_CHANGED:
   3363         func_name = "bond_state_changed ";
   3364         break;
   3365       default:
   3366         func_name = "Invalid value      ";
   3367         break;
   3368     }
   3369 
   3370     const char* bond_state;
   3371     switch (event->state) {
   3372       case BT_BOND_STATE_NONE:
   3373         bond_state = "BOND_STATE_NONE";
   3374         break;
   3375       case BT_BOND_STATE_BONDING:
   3376         bond_state = "BOND_STATE_BONDING";
   3377         break;
   3378       case BT_BOND_STATE_BONDED:
   3379         bond_state = "BOND_STATE_BONDED";
   3380         break;
   3381       default:
   3382         bond_state = "Invalid bond state";
   3383         break;
   3384     }
   3385     dprintf(fd, "  %s  %s  %s  %s\n", eventtime, bdaddr, func_name, bond_state);
   3386   }
   3387 }
   3388