/******************************************************************************
*
* Copyright (C) 2009-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/*******************************************************************************
*
* Filename: btif_dm.c
*
* Description: Contains Device Management (DM) related functionality
*
*
******************************************************************************/
#define LOG_TAG "bt_btif_dm"
#include "btif_dm.h"
#include <base/bind.h>
#include <base/logging.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <time.h>
#include <unistd.h>
#include <mutex>
#include <hardware/bluetooth.h>
#include "advertise_data_parser.h"
#include "bdaddr.h"
#include "bt_common.h"
#include "bta_closure_api.h"
#include "bta_gatt_api.h"
#include "btif_api.h"
#include "btif_config.h"
#include "btif_dm.h"
#include "btif_hd.h"
#include "btif_hh.h"
#include "btif_sdp.h"
#include "btif_storage.h"
#include "btif_util.h"
#include "btu.h"
#include "device/include/controller.h"
#include "device/include/interop.h"
#include "include/stack_config.h"
#include "osi/include/allocator.h"
#include "osi/include/log.h"
#include "osi/include/metrics.h"
#include "osi/include/osi.h"
#include "osi/include/properties.h"
#include "stack/btm/btm_int.h"
#include "stack_config.h"
/******************************************************************************
* Constants & Macros
*****************************************************************************/
#define COD_MASK 0x07FF
#define COD_UNCLASSIFIED ((0x1F) << 8)
#define COD_HID_KEYBOARD 0x0540
#define COD_HID_POINTING 0x0580
#define COD_HID_COMBO 0x05C0
#define COD_HID_MAJOR 0x0500
#define COD_HID_MASK 0x0700
#define COD_AV_HEADSETS 0x0404
#define COD_AV_HANDSFREE 0x0408
#define COD_AV_HEADPHONES 0x0418
#define COD_AV_PORTABLE_AUDIO 0x041C
#define COD_AV_HIFI_AUDIO 0x0428
#define BTIF_DM_DEFAULT_INQ_MAX_RESULTS 0
#define BTIF_DM_DEFAULT_INQ_MAX_DURATION 10
#define BTIF_DM_MAX_SDP_ATTEMPTS_AFTER_PAIRING 2
#define NUM_TIMEOUT_RETRIES 5
#define PROPERTY_PRODUCT_MODEL "ro.product.model"
#define DEFAULT_LOCAL_NAME_MAX 31
#if (DEFAULT_LOCAL_NAME_MAX > BTM_MAX_LOC_BD_NAME_LEN)
#error "default btif local name size exceeds stack supported length"
#endif
#if (BTA_HOST_INTERLEAVE_SEARCH == TRUE)
#define BTIF_DM_INTERLEAVE_DURATION_BR_ONE 2
#define BTIF_DM_INTERLEAVE_DURATION_LE_ONE 2
#define BTIF_DM_INTERLEAVE_DURATION_BR_TWO 3
#define BTIF_DM_INTERLEAVE_DURATION_LE_TWO 4
#endif
#define ENCRYPTED_BREDR 2
#define ENCRYPTED_LE 4
typedef struct {
bt_bond_state_t state;
bt_bdaddr_t static_bdaddr;
BD_ADDR bd_addr;
tBTM_BOND_TYPE bond_type;
uint8_t pin_code_len;
uint8_t is_ssp;
uint8_t auth_req;
uint8_t io_cap;
uint8_t autopair_attempts;
uint8_t timeout_retries;
uint8_t is_local_initiated;
uint8_t sdp_attempts;
bool is_le_only;
bool is_le_nc; /* LE Numeric comparison */
btif_dm_ble_cb_t ble;
} btif_dm_pairing_cb_t;
typedef struct {
uint8_t ir[BT_OCTET16_LEN];
uint8_t irk[BT_OCTET16_LEN];
uint8_t dhk[BT_OCTET16_LEN];
} btif_dm_local_key_id_t;
typedef struct {
bool is_er_rcvd;
uint8_t er[BT_OCTET16_LEN];
bool is_id_keys_rcvd;
btif_dm_local_key_id_t id_keys; /* ID kyes */
} btif_dm_local_key_cb_t;
typedef struct {
BD_ADDR bd_addr;
BD_NAME bd_name;
} btif_dm_remote_name_t;
/* this structure holds optional OOB data for remote device */
typedef struct {
BD_ADDR bdaddr; /* peer bdaddr */
bt_out_of_band_data_t oob_data;
} btif_dm_oob_cb_t;
typedef struct {
bt_bdaddr_t bdaddr;
uint8_t transport; /* 0=Unknown, 1=BR/EDR, 2=LE */
} btif_dm_create_bond_cb_t;
typedef struct {
uint8_t status;
uint8_t ctrl_state;
uint64_t tx_time;
uint64_t rx_time;
uint64_t idle_time;
uint64_t energy_used;
} btif_activity_energy_info_cb_t;
typedef struct { unsigned int manufact_id; } skip_sdp_entry_t;
typedef enum {
BTIF_DM_FUNC_CREATE_BOND,
BTIF_DM_FUNC_CANCEL_BOND,
BTIF_DM_FUNC_REMOVE_BOND,
BTIF_DM_FUNC_BOND_STATE_CHANGED,
} bt_bond_function_t;
typedef struct {
bt_bdaddr_t bd_addr;
bt_bond_function_t function;
bt_bond_state_t state;
struct timespec timestamp;
} btif_bond_event_t;
#define BTA_SERVICE_ID_TO_SERVICE_MASK(id) (1 << (id))
#define UUID_HUMAN_INTERFACE_DEVICE "00001124-0000-1000-8000-00805f9b34fb"
#define MAX_BTIF_BOND_EVENT_ENTRIES 15
static skip_sdp_entry_t sdp_blacklist[] = {{76}}; // Apple Mouse and Keyboard
/* This flag will be true if HCI_Inquiry is in progress */
static bool btif_dm_inquiry_in_progress = false;
/*******************************************************************************
* Static variables
******************************************************************************/
static char btif_default_local_name[DEFAULT_LOCAL_NAME_MAX + 1] = {'\0'};
static uid_set_t* uid_set = NULL;
/* A circular array to keep track of the most recent bond events */
static btif_bond_event_t btif_dm_bond_events[MAX_BTIF_BOND_EVENT_ENTRIES + 1];
static std::mutex bond_event_lock;
/* |btif_num_bond_events| keeps track of the total number of events and can be
greater than |MAX_BTIF_BOND_EVENT_ENTRIES| */
static size_t btif_num_bond_events = 0;
static size_t btif_events_start_index = 0;
static size_t btif_events_end_index = 0;
/******************************************************************************
* Static functions
*****************************************************************************/
static btif_dm_pairing_cb_t pairing_cb;
static btif_dm_oob_cb_t oob_cb;
static void btif_dm_generic_evt(uint16_t event, char* p_param);
static void btif_dm_cb_create_bond(bt_bdaddr_t* bd_addr,
tBTA_TRANSPORT transport);
static void btif_dm_cb_hid_remote_name(tBTM_REMOTE_DEV_NAME* p_remote_name);
static void btif_update_remote_properties(BD_ADDR bd_addr, BD_NAME bd_name,
DEV_CLASS dev_class,
tBT_DEVICE_TYPE dev_type);
static btif_dm_local_key_cb_t ble_local_key_cb;
static void btif_dm_ble_key_notif_evt(tBTA_DM_SP_KEY_NOTIF* p_ssp_key_notif);
static void btif_dm_ble_auth_cmpl_evt(tBTA_DM_AUTH_CMPL* p_auth_cmpl);
static void btif_dm_ble_passkey_req_evt(tBTA_DM_PIN_REQ* p_pin_req);
static void btif_dm_ble_key_nc_req_evt(tBTA_DM_SP_KEY_NOTIF* p_notif_req);
static void btif_dm_ble_oob_req_evt(tBTA_DM_SP_RMT_OOB* req_oob_type);
static void btif_dm_ble_sc_oob_req_evt(tBTA_DM_SP_RMT_OOB* req_oob_type);
static void bte_scan_filt_param_cfg_evt(uint8_t action_type, uint8_t avbl_space,
uint8_t ref_value, uint8_t status);
static char* btif_get_default_local_name();
static void btif_stats_add_bond_event(const bt_bdaddr_t* bd_addr,
bt_bond_function_t function,
bt_bond_state_t state);
/******************************************************************************
* Externs
*****************************************************************************/
extern bt_status_t btif_hf_execute_service(bool b_enable);
extern bt_status_t btif_av_execute_service(bool b_enable);
extern bt_status_t btif_av_sink_execute_service(bool b_enable);
extern bt_status_t btif_hh_execute_service(bool b_enable);
extern bt_status_t btif_hf_client_execute_service(bool b_enable);
extern bt_status_t btif_sdp_execute_service(bool b_enable);
extern int btif_hh_connect(bt_bdaddr_t* bd_addr);
extern void bta_gatt_convert_uuid16_to_uuid128(uint8_t uuid_128[LEN_UUID_128],
uint16_t uuid_16);
extern void btif_av_move_idle(bt_bdaddr_t bd_addr);
extern bt_status_t btif_hd_execute_service(bool b_enable);
/******************************************************************************
* Functions
*****************************************************************************/
static bool is_empty_128bit(uint8_t* data) {
static const uint8_t zero[16] = {0};
return !memcmp(zero, data, sizeof(zero));
}
static void btif_dm_data_copy(uint16_t event, char* dst, char* src) {
tBTA_DM_SEC* dst_dm_sec = (tBTA_DM_SEC*)dst;
tBTA_DM_SEC* src_dm_sec = (tBTA_DM_SEC*)src;
if (!src_dm_sec) return;
CHECK(dst_dm_sec);
maybe_non_aligned_memcpy(dst_dm_sec, src_dm_sec, sizeof(*src_dm_sec));
if (event == BTA_DM_BLE_KEY_EVT) {
dst_dm_sec->ble_key.p_key_value =
(tBTM_LE_KEY_VALUE*)osi_malloc(sizeof(tBTM_LE_KEY_VALUE));
CHECK(src_dm_sec->ble_key.p_key_value);
memcpy(dst_dm_sec->ble_key.p_key_value, src_dm_sec->ble_key.p_key_value,
sizeof(tBTM_LE_KEY_VALUE));
}
}
static void btif_dm_data_free(uint16_t event, tBTA_DM_SEC* dm_sec) {
if (event == BTA_DM_BLE_KEY_EVT)
osi_free_and_reset((void**)&dm_sec->ble_key.p_key_value);
}
void btif_dm_init(uid_set_t* set) { uid_set = set; }
void btif_dm_cleanup(void) {
if (uid_set) {
uid_set_destroy(uid_set);
uid_set = NULL;
}
}
bt_status_t btif_in_execute_service_request(tBTA_SERVICE_ID service_id,
bool b_enable) {
BTIF_TRACE_DEBUG("%s service_id: %d", __func__, service_id);
/* Check the service_ID and invoke the profile's BT state changed API */
switch (service_id) {
case BTA_HFP_SERVICE_ID:
case BTA_HSP_SERVICE_ID: {
btif_hf_execute_service(b_enable);
} break;
case BTA_A2DP_SOURCE_SERVICE_ID: {
btif_av_execute_service(b_enable);
} break;
case BTA_A2DP_SINK_SERVICE_ID: {
btif_av_sink_execute_service(b_enable);
} break;
case BTA_HID_SERVICE_ID: {
btif_hh_execute_service(b_enable);
} break;
case BTA_HFP_HS_SERVICE_ID: {
btif_hf_client_execute_service(b_enable);
} break;
case BTA_SDP_SERVICE_ID: {
btif_sdp_execute_service(b_enable);
} break;
case BTA_HIDD_SERVICE_ID: {
btif_hd_execute_service(b_enable);
} break;
default:
BTIF_TRACE_ERROR("%s: Unknown service %d being %s", __func__, service_id,
(b_enable) ? "enabled" : "disabled");
return BT_STATUS_FAIL;
}
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function check_eir_remote_name
*
* Description Check if remote name is in the EIR data
*
* Returns true if remote name found
* Populate p_remote_name, if provided and remote name found
*
******************************************************************************/
static bool check_eir_remote_name(tBTA_DM_SEARCH* p_search_data,
uint8_t* p_remote_name,
uint8_t* p_remote_name_len) {
const uint8_t* p_eir_remote_name = NULL;
uint8_t remote_name_len = 0;
/* Check EIR for remote name and services */
if (p_search_data->inq_res.p_eir) {
p_eir_remote_name = AdvertiseDataParser::GetFieldByType(
p_search_data->inq_res.p_eir, p_search_data->inq_res.eir_len,
BTM_EIR_COMPLETE_LOCAL_NAME_TYPE, &remote_name_len);
if (!p_eir_remote_name) {
p_eir_remote_name = AdvertiseDataParser::GetFieldByType(
p_search_data->inq_res.p_eir, p_search_data->inq_res.eir_len,
BTM_EIR_SHORTENED_LOCAL_NAME_TYPE, &remote_name_len);
}
if (p_eir_remote_name) {
if (remote_name_len > BD_NAME_LEN) remote_name_len = BD_NAME_LEN;
if (p_remote_name && p_remote_name_len) {
memcpy(p_remote_name, p_eir_remote_name, remote_name_len);
*(p_remote_name + remote_name_len) = 0;
*p_remote_name_len = remote_name_len;
}
return true;
}
}
return false;
}
/*******************************************************************************
*
* Function check_cached_remote_name
*
* Description Check if remote name is in the NVRAM cache
*
* Returns true if remote name found
* Populate p_remote_name, if provided and remote name found
*
******************************************************************************/
static bool check_cached_remote_name(tBTA_DM_SEARCH* p_search_data,
uint8_t* p_remote_name,
uint8_t* p_remote_name_len) {
bt_bdname_t bdname;
bt_bdaddr_t remote_bdaddr;
bt_property_t prop_name;
/* check if we already have it in our btif_storage cache */
bdcpy(remote_bdaddr.address, p_search_data->inq_res.bd_addr);
BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_BDNAME,
sizeof(bt_bdname_t), &bdname);
if (btif_storage_get_remote_device_property(&remote_bdaddr, &prop_name) ==
BT_STATUS_SUCCESS) {
if (p_remote_name && p_remote_name_len) {
strcpy((char*)p_remote_name, (char*)bdname.name);
*p_remote_name_len = strlen((char*)p_remote_name);
}
return true;
}
return false;
}
static uint32_t get_cod(const bt_bdaddr_t* remote_bdaddr) {
uint32_t remote_cod;
bt_property_t prop_name;
/* check if we already have it in our btif_storage cache */
BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_CLASS_OF_DEVICE,
sizeof(uint32_t), &remote_cod);
if (btif_storage_get_remote_device_property(
(bt_bdaddr_t*)remote_bdaddr, &prop_name) == BT_STATUS_SUCCESS) {
LOG_INFO(LOG_TAG, "%s remote_cod = 0x%08x", __func__, remote_cod);
return remote_cod & COD_MASK;
}
return 0;
}
bool check_cod(const bt_bdaddr_t* remote_bdaddr, uint32_t cod) {
return get_cod(remote_bdaddr) == cod;
}
bool check_cod_hid(const bt_bdaddr_t* remote_bdaddr) {
return (get_cod(remote_bdaddr) & COD_HID_MASK) == COD_HID_MAJOR;
}
bool check_hid_le(const bt_bdaddr_t* remote_bdaddr) {
uint32_t remote_dev_type;
bt_property_t prop_name;
/* check if we already have it in our btif_storage cache */
BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_TYPE_OF_DEVICE,
sizeof(uint32_t), &remote_dev_type);
if (btif_storage_get_remote_device_property(
(bt_bdaddr_t*)remote_bdaddr, &prop_name) == BT_STATUS_SUCCESS) {
if (remote_dev_type == BT_DEVICE_DEVTYPE_BLE) {
bdstr_t bdstr;
bdaddr_to_string(remote_bdaddr, bdstr, sizeof(bdstr));
if (btif_config_exist(bdstr, "HidAppId")) return true;
}
}
return false;
}
/*****************************************************************************
*
* Function check_sdp_bl
*
* Description Checks if a given device is blacklisted to skip sdp
*
* Parameters skip_sdp_entry
*
* Returns true if the device is present in blacklist, else false
*
******************************************************************************/
bool check_sdp_bl(const bt_bdaddr_t* remote_bdaddr) {
uint16_t manufacturer = 0;
uint8_t lmp_ver = 0;
uint16_t lmp_subver = 0;
bt_property_t prop_name;
bt_remote_version_t info;
if (remote_bdaddr == NULL) return false;
/* fetch additional info about remote device used in iop query */
BTM_ReadRemoteVersion(*(BD_ADDR*)remote_bdaddr, &lmp_ver, &manufacturer,
&lmp_subver);
/* if not available yet, try fetching from config database */
BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_REMOTE_VERSION_INFO,
sizeof(bt_remote_version_t), &info);
if (btif_storage_get_remote_device_property(
(bt_bdaddr_t*)remote_bdaddr, &prop_name) != BT_STATUS_SUCCESS) {
return false;
}
manufacturer = info.manufacturer;
for (unsigned int i = 0; i < ARRAY_SIZE(sdp_blacklist); i++) {
if (manufacturer == sdp_blacklist[i].manufact_id) return true;
}
return false;
}
static void bond_state_changed(bt_status_t status, bt_bdaddr_t* bd_addr,
bt_bond_state_t state) {
btif_stats_add_bond_event(bd_addr, BTIF_DM_FUNC_BOND_STATE_CHANGED, state);
// Send bonding state only once - based on outgoing/incoming we may receive
// duplicates
if ((pairing_cb.state == state) && (state == BT_BOND_STATE_BONDING)) {
// Cross key pairing so send callback for static address
if (!bdaddr_is_empty(&pairing_cb.static_bdaddr)) {
HAL_CBACK(bt_hal_cbacks, bond_state_changed_cb, status, bd_addr, state);
}
return;
}
if (pairing_cb.bond_type == BOND_TYPE_TEMPORARY) state = BT_BOND_STATE_NONE;
BTIF_TRACE_DEBUG("%s: state=%d, prev_state=%d, sdp_attempts = %d", __func__,
state, pairing_cb.state, pairing_cb.sdp_attempts);
HAL_CBACK(bt_hal_cbacks, bond_state_changed_cb, status, bd_addr, state);
if (state == BT_BOND_STATE_BONDING) {
pairing_cb.state = state;
bdcpy(pairing_cb.bd_addr, bd_addr->address);
} else {
if (!pairing_cb.sdp_attempts)
memset(&pairing_cb, 0, sizeof(pairing_cb));
else
BTIF_TRACE_DEBUG("%s: BR-EDR service discovery active", __func__);
}
}
/* store remote version in bt config to always have access
to it post pairing*/
static void btif_update_remote_version_property(bt_bdaddr_t* p_bd) {
bt_property_t property;
uint8_t lmp_ver = 0;
uint16_t lmp_subver = 0;
uint16_t mfct_set = 0;
tBTM_STATUS btm_status;
bt_remote_version_t info;
bt_status_t status;
bdstr_t bdstr;
btm_status =
BTM_ReadRemoteVersion(*(BD_ADDR*)p_bd, &lmp_ver, &mfct_set, &lmp_subver);
LOG_DEBUG(LOG_TAG, "remote version info [%s]: %x, %x, %x",
bdaddr_to_string(p_bd, bdstr, sizeof(bdstr)), lmp_ver, mfct_set,
lmp_subver);
if (btm_status == BTM_SUCCESS) {
// Always update cache to ensure we have availability whenever BTM API is
// not populated
info.manufacturer = mfct_set;
info.sub_ver = lmp_subver;
info.version = lmp_ver;
BTIF_STORAGE_FILL_PROPERTY(&property, BT_PROPERTY_REMOTE_VERSION_INFO,
sizeof(bt_remote_version_t), &info);
status = btif_storage_set_remote_device_property(p_bd, &property);
ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote version",
status);
}
}
static void btif_update_remote_properties(BD_ADDR bd_addr, BD_NAME bd_name,
DEV_CLASS dev_class,
tBT_DEVICE_TYPE device_type) {
int num_properties = 0;
bt_property_t properties[3];
bt_bdaddr_t bdaddr;
bt_status_t status;
uint32_t cod;
bt_device_type_t dev_type;
memset(properties, 0, sizeof(properties));
bdcpy(bdaddr.address, bd_addr);
/* remote name */
if (strlen((const char*)bd_name)) {
BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties], BT_PROPERTY_BDNAME,
strlen((char*)bd_name), bd_name);
status = btif_storage_set_remote_device_property(
&bdaddr, &properties[num_properties]);
ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote device name",
status);
num_properties++;
}
/* class of device */
cod = devclass2uint(dev_class);
BTIF_TRACE_DEBUG("%s cod is 0x%06x", __func__, cod);
if (cod == 0) {
/* Try to retrieve cod from storage */
BTIF_TRACE_DEBUG("%s cod is 0, checking cod from storage", __func__);
BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
BT_PROPERTY_CLASS_OF_DEVICE, sizeof(cod), &cod);
status = btif_storage_get_remote_device_property(
&bdaddr, &properties[num_properties]);
BTIF_TRACE_DEBUG("%s cod retrieved from storage is 0x%06x", __func__, cod);
if (cod == 0) {
BTIF_TRACE_DEBUG("%s cod is again 0, set as unclassified", __func__);
cod = COD_UNCLASSIFIED;
}
}
BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
BT_PROPERTY_CLASS_OF_DEVICE, sizeof(cod), &cod);
status = btif_storage_set_remote_device_property(&bdaddr,
&properties[num_properties]);
ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote device class",
status);
num_properties++;
/* device type */
bt_property_t prop_name;
uint8_t remote_dev_type;
BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_TYPE_OF_DEVICE,
sizeof(uint8_t), &remote_dev_type);
if (btif_storage_get_remote_device_property(&bdaddr, &prop_name) ==
BT_STATUS_SUCCESS)
dev_type = (bt_device_type_t)(remote_dev_type | device_type);
else
dev_type = (bt_device_type_t)device_type;
BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
BT_PROPERTY_TYPE_OF_DEVICE, sizeof(dev_type),
&dev_type);
status = btif_storage_set_remote_device_property(&bdaddr,
&properties[num_properties]);
ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote device type",
status);
num_properties++;
HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, status, &bdaddr,
num_properties, properties);
}
/*******************************************************************************
*
* Function btif_dm_cb_hid_remote_name
*
* Description Remote name callback for HID device. Called in btif context
* Special handling for HID devices
*
* Returns void
*
******************************************************************************/
static void btif_dm_cb_hid_remote_name(tBTM_REMOTE_DEV_NAME* p_remote_name) {
BTIF_TRACE_DEBUG("%s: status=%d pairing_cb.state=%d", __func__,
p_remote_name->status, pairing_cb.state);
if (pairing_cb.state == BT_BOND_STATE_BONDING) {
bt_bdaddr_t remote_bd;
bdcpy(remote_bd.address, pairing_cb.bd_addr);
if (p_remote_name->status == BTM_SUCCESS) {
bond_state_changed(BT_STATUS_SUCCESS, &remote_bd, BT_BOND_STATE_BONDED);
} else
bond_state_changed(BT_STATUS_FAIL, &remote_bd, BT_BOND_STATE_NONE);
}
}
/*******************************************************************************
*
* Function btif_dm_cb_create_bond
*
* Description Create bond initiated from the BTIF thread context
* Special handling for HID devices
*
* Returns void
*
******************************************************************************/
static void btif_dm_cb_create_bond(bt_bdaddr_t* bd_addr,
tBTA_TRANSPORT transport) {
bool is_hid = check_cod(bd_addr, COD_HID_POINTING);
bond_state_changed(BT_STATUS_SUCCESS, bd_addr, BT_BOND_STATE_BONDING);
int device_type;
int addr_type;
bdstr_t bdstr;
bdaddr_to_string(bd_addr, bdstr, sizeof(bdstr));
if (transport == BT_TRANSPORT_LE) {
if (!btif_config_get_int((char const*)&bdstr, "DevType", &device_type)) {
btif_config_set_int(bdstr, "DevType", BT_DEVICE_TYPE_BLE);
}
if (btif_storage_get_remote_addr_type(bd_addr, &addr_type) !=
BT_STATUS_SUCCESS) {
// Try to read address type. OOB pairing might have set it earlier, but
// didn't store it, it defaults to BLE_ADDR_PUBLIC
uint8_t tmp_dev_type;
uint8_t tmp_addr_type;
BTM_ReadDevInfo(bd_addr->address, &tmp_dev_type, &tmp_addr_type);
addr_type = tmp_addr_type;
btif_storage_set_remote_addr_type(bd_addr, addr_type);
}
}
if ((btif_config_get_int((char const*)&bdstr, "DevType", &device_type) &&
(btif_storage_get_remote_addr_type(bd_addr, &addr_type) ==
BT_STATUS_SUCCESS) &&
(device_type & BT_DEVICE_TYPE_BLE) == BT_DEVICE_TYPE_BLE) ||
(transport == BT_TRANSPORT_LE)) {
BTA_DmAddBleDevice(bd_addr->address, addr_type, device_type);
}
if (is_hid && (device_type & BT_DEVICE_TYPE_BLE) == 0) {
bt_status_t status;
status = (bt_status_t)btif_hh_connect(bd_addr);
if (status != BT_STATUS_SUCCESS)
bond_state_changed(status, bd_addr, BT_BOND_STATE_NONE);
} else {
BTA_DmBondByTransport((uint8_t*)bd_addr->address, transport);
}
/* Track originator of bond creation */
pairing_cb.is_local_initiated = true;
}
/*******************************************************************************
*
* Function btif_dm_cb_remove_bond
*
* Description remove bond initiated from the BTIF thread context
* Special handling for HID devices
*
* Returns void
*
******************************************************************************/
void btif_dm_cb_remove_bond(bt_bdaddr_t* bd_addr) {
/*special handling for HID devices */
/* VUP needs to be sent if its a HID Device. The HID HOST module will check if
there
is a valid hid connection with this bd_addr. If yes VUP will be issued.*/
#if (BTA_HH_INCLUDED == TRUE)
if (btif_hh_virtual_unplug(bd_addr) != BT_STATUS_SUCCESS)
#endif
{
BTIF_TRACE_DEBUG("%s: Removing HH device", __func__);
BTA_DmRemoveDevice((uint8_t*)bd_addr->address);
}
}
/*******************************************************************************
*
* Function btif_dm_get_connection_state
*
* Description Returns whether the remote device is currently connected
* and whether encryption is active for the connection
*
* Returns 0 if not connected; 1 if connected and > 1 if connection is
* encrypted
*
******************************************************************************/
uint16_t btif_dm_get_connection_state(const bt_bdaddr_t* bd_addr) {
uint8_t* bda = (uint8_t*)bd_addr->address;
uint16_t rc = BTA_DmGetConnectionState(bda);
if (rc != 0) {
uint8_t flags = 0;
BTM_GetSecurityFlagsByTransport(bda, &flags, BT_TRANSPORT_BR_EDR);
BTIF_TRACE_DEBUG("%s: security flags (BR/EDR)=0x%02x", __func__, flags);
if (flags & BTM_SEC_FLAG_ENCRYPTED) rc |= ENCRYPTED_BREDR;
BTM_GetSecurityFlagsByTransport(bda, &flags, BT_TRANSPORT_LE);
BTIF_TRACE_DEBUG("%s: security flags (LE)=0x%02x", __func__, flags);
if (flags & BTM_SEC_FLAG_ENCRYPTED) rc |= ENCRYPTED_LE;
}
return rc;
}
/*******************************************************************************
*
* Function search_devices_copy_cb
*
* Description Deep copy callback for search devices event
*
* Returns void
*
******************************************************************************/
static void search_devices_copy_cb(uint16_t event, char* p_dest, char* p_src) {
tBTA_DM_SEARCH* p_dest_data = (tBTA_DM_SEARCH*)p_dest;
tBTA_DM_SEARCH* p_src_data = (tBTA_DM_SEARCH*)p_src;
if (!p_src) return;
BTIF_TRACE_DEBUG("%s: event=%s", __func__, dump_dm_search_event(event));
maybe_non_aligned_memcpy(p_dest_data, p_src_data, sizeof(*p_src_data));
switch (event) {
case BTA_DM_INQ_RES_EVT: {
if (p_src_data->inq_res.p_eir) {
p_dest_data->inq_res.p_eir =
(uint8_t*)(p_dest + sizeof(tBTA_DM_SEARCH));
memcpy(p_dest_data->inq_res.p_eir, p_src_data->inq_res.p_eir,
p_src_data->inq_res.eir_len);
p_dest_data->inq_res.eir_len = p_src_data->inq_res.eir_len;
}
} break;
case BTA_DM_DISC_RES_EVT: {
if (p_src_data->disc_res.raw_data_size &&
p_src_data->disc_res.p_raw_data) {
p_dest_data->disc_res.p_raw_data =
(uint8_t*)(p_dest + sizeof(tBTA_DM_SEARCH));
memcpy(p_dest_data->disc_res.p_raw_data,
p_src_data->disc_res.p_raw_data,
p_src_data->disc_res.raw_data_size);
}
} break;
}
}
static void search_services_copy_cb(uint16_t event, char* p_dest, char* p_src) {
tBTA_DM_SEARCH* p_dest_data = (tBTA_DM_SEARCH*)p_dest;
tBTA_DM_SEARCH* p_src_data = (tBTA_DM_SEARCH*)p_src;
if (!p_src) return;
maybe_non_aligned_memcpy(p_dest_data, p_src_data, sizeof(*p_src_data));
switch (event) {
case BTA_DM_DISC_RES_EVT: {
if (p_src_data->disc_res.result == BTA_SUCCESS) {
if (p_src_data->disc_res.num_uuids > 0) {
p_dest_data->disc_res.p_uuid_list =
(uint8_t*)(p_dest + sizeof(tBTA_DM_SEARCH));
memcpy(p_dest_data->disc_res.p_uuid_list,
p_src_data->disc_res.p_uuid_list,
p_src_data->disc_res.num_uuids * MAX_UUID_SIZE);
osi_free_and_reset((void**)&p_src_data->disc_res.p_uuid_list);
}
osi_free_and_reset((void**)&p_src_data->disc_res.p_raw_data);
}
} break;
}
}
/******************************************************************************
*
* BTIF DM callback events
*
****************************************************************************/
/*******************************************************************************
*
* Function btif_dm_pin_req_evt
*
* Description Executes pin request event in btif context
*
* Returns void
*
******************************************************************************/
static void btif_dm_pin_req_evt(tBTA_DM_PIN_REQ* p_pin_req) {
bt_bdaddr_t bd_addr;
bt_bdname_t bd_name;
uint32_t cod;
bt_pin_code_t pin_code;
int dev_type;
/* Remote properties update */
if (!btif_get_device_type(p_pin_req->bd_addr, &dev_type)) {
dev_type = BT_DEVICE_TYPE_BREDR;
}
btif_update_remote_properties(p_pin_req->bd_addr, p_pin_req->bd_name,
p_pin_req->dev_class,
(tBT_DEVICE_TYPE)dev_type);
bdcpy(bd_addr.address, p_pin_req->bd_addr);
memcpy(bd_name.name, p_pin_req->bd_name, BD_NAME_LEN);
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
cod = devclass2uint(p_pin_req->dev_class);
if (cod == 0) {
BTIF_TRACE_DEBUG("%s cod is 0, set as unclassified", __func__);
cod = COD_UNCLASSIFIED;
}
/* check for auto pair possiblity only if bond was initiated by local device
*/
if (pairing_cb.is_local_initiated && (p_pin_req->min_16_digit == false)) {
if (check_cod(&bd_addr, COD_AV_HEADSETS) ||
check_cod(&bd_addr, COD_AV_HEADPHONES) ||
check_cod(&bd_addr, COD_AV_PORTABLE_AUDIO) ||
check_cod(&bd_addr, COD_AV_HIFI_AUDIO) ||
check_cod(&bd_addr, COD_HID_POINTING)) {
/* Check if this device can be auto paired */
if (!interop_match_addr(INTEROP_DISABLE_AUTO_PAIRING, &bd_addr) &&
!interop_match_name(INTEROP_DISABLE_AUTO_PAIRING,
(const char*)bd_name.name) &&
(pairing_cb.autopair_attempts == 0)) {
BTIF_TRACE_DEBUG("%s() Attempting auto pair", __func__);
pin_code.pin[0] = 0x30;
pin_code.pin[1] = 0x30;
pin_code.pin[2] = 0x30;
pin_code.pin[3] = 0x30;
pairing_cb.autopair_attempts++;
BTA_DmPinReply((uint8_t*)bd_addr.address, true, 4, pin_code.pin);
return;
}
} else if (check_cod(&bd_addr, COD_HID_KEYBOARD) ||
check_cod(&bd_addr, COD_HID_COMBO)) {
if ((interop_match_addr(INTEROP_KEYBOARD_REQUIRES_FIXED_PIN, &bd_addr) ==
true) &&
(pairing_cb.autopair_attempts == 0)) {
BTIF_TRACE_DEBUG("%s() Attempting auto pair", __func__);
pin_code.pin[0] = 0x30;
pin_code.pin[1] = 0x30;
pin_code.pin[2] = 0x30;
pin_code.pin[3] = 0x30;
pairing_cb.autopair_attempts++;
BTA_DmPinReply((uint8_t*)bd_addr.address, true, 4, pin_code.pin);
return;
}
}
}
HAL_CBACK(bt_hal_cbacks, pin_request_cb, &bd_addr, &bd_name, cod,
p_pin_req->min_16_digit);
}
/*******************************************************************************
*
* Function btif_dm_ssp_cfm_req_evt
*
* Description Executes SSP confirm request event in btif context
*
* Returns void
*
******************************************************************************/
static void btif_dm_ssp_cfm_req_evt(tBTA_DM_SP_CFM_REQ* p_ssp_cfm_req) {
bt_bdaddr_t bd_addr;
bt_bdname_t bd_name;
uint32_t cod;
bool is_incoming = !(pairing_cb.state == BT_BOND_STATE_BONDING);
int dev_type;
BTIF_TRACE_DEBUG("%s", __func__);
/* Remote properties update */
if (!btif_get_device_type(p_ssp_cfm_req->bd_addr, &dev_type)) {
dev_type = BT_DEVICE_TYPE_BREDR;
}
btif_update_remote_properties(p_ssp_cfm_req->bd_addr, p_ssp_cfm_req->bd_name,
p_ssp_cfm_req->dev_class,
(tBT_DEVICE_TYPE)dev_type);
bdcpy(bd_addr.address, p_ssp_cfm_req->bd_addr);
memcpy(bd_name.name, p_ssp_cfm_req->bd_name, BD_NAME_LEN);
/* Set the pairing_cb based on the local & remote authentication requirements
*/
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
/* if just_works and bonding bit is not set treat this as temporary */
if (p_ssp_cfm_req->just_works &&
!(p_ssp_cfm_req->loc_auth_req & BTM_AUTH_BONDS) &&
!(p_ssp_cfm_req->rmt_auth_req & BTM_AUTH_BONDS) &&
!(check_cod((bt_bdaddr_t*)&p_ssp_cfm_req->bd_addr, COD_HID_POINTING)))
pairing_cb.bond_type = BOND_TYPE_TEMPORARY;
else
pairing_cb.bond_type = BOND_TYPE_PERSISTENT;
btm_set_bond_type_dev(p_ssp_cfm_req->bd_addr, pairing_cb.bond_type);
pairing_cb.is_ssp = true;
/* If JustWorks auto-accept */
if (p_ssp_cfm_req->just_works) {
/* Pairing consent for JustWorks needed if:
* 1. Incoming (non-temporary) pairing is detected AND
* 2. local IO capabilities are DisplayYesNo AND
* 3. remote IO capabiltiies are DisplayOnly or NoInputNoOutput;
*/
if (is_incoming && pairing_cb.bond_type != BOND_TYPE_TEMPORARY &&
((p_ssp_cfm_req->loc_io_caps == HCI_IO_CAP_DISPLAY_YESNO) &&
(p_ssp_cfm_req->rmt_io_caps == HCI_IO_CAP_DISPLAY_ONLY ||
p_ssp_cfm_req->rmt_io_caps == HCI_IO_CAP_NO_IO))) {
BTIF_TRACE_EVENT(
"%s: User consent needed for incoming pairing request. loc_io_caps: "
"%d, rmt_io_caps: %d",
__func__, p_ssp_cfm_req->loc_io_caps, p_ssp_cfm_req->rmt_io_caps);
} else {
BTIF_TRACE_EVENT("%s: Auto-accept JustWorks pairing", __func__);
btif_dm_ssp_reply(&bd_addr, BT_SSP_VARIANT_CONSENT, true, 0);
return;
}
}
cod = devclass2uint(p_ssp_cfm_req->dev_class);
if (cod == 0) {
LOG_DEBUG(LOG_TAG, "%s cod is 0, set as unclassified", __func__);
cod = COD_UNCLASSIFIED;
}
pairing_cb.sdp_attempts = 0;
HAL_CBACK(bt_hal_cbacks, ssp_request_cb, &bd_addr, &bd_name, cod,
(p_ssp_cfm_req->just_works ? BT_SSP_VARIANT_CONSENT
: BT_SSP_VARIANT_PASSKEY_CONFIRMATION),
p_ssp_cfm_req->num_val);
}
static void btif_dm_ssp_key_notif_evt(tBTA_DM_SP_KEY_NOTIF* p_ssp_key_notif) {
bt_bdaddr_t bd_addr;
bt_bdname_t bd_name;
uint32_t cod;
int dev_type;
BTIF_TRACE_DEBUG("%s", __func__);
/* Remote properties update */
if (!btif_get_device_type(p_ssp_key_notif->bd_addr, &dev_type)) {
dev_type = BT_DEVICE_TYPE_BREDR;
}
btif_update_remote_properties(
p_ssp_key_notif->bd_addr, p_ssp_key_notif->bd_name,
p_ssp_key_notif->dev_class, (tBT_DEVICE_TYPE)dev_type);
bdcpy(bd_addr.address, p_ssp_key_notif->bd_addr);
memcpy(bd_name.name, p_ssp_key_notif->bd_name, BD_NAME_LEN);
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
pairing_cb.is_ssp = true;
cod = devclass2uint(p_ssp_key_notif->dev_class);
if (cod == 0) {
LOG_DEBUG(LOG_TAG, "%s cod is 0, set as unclassified", __func__);
cod = COD_UNCLASSIFIED;
}
HAL_CBACK(bt_hal_cbacks, ssp_request_cb, &bd_addr, &bd_name, cod,
BT_SSP_VARIANT_PASSKEY_NOTIFICATION, p_ssp_key_notif->passkey);
}
/*******************************************************************************
*
* Function btif_dm_auth_cmpl_evt
*
* Description Executes authentication complete event in btif context
*
* Returns void
*
******************************************************************************/
static void btif_dm_auth_cmpl_evt(tBTA_DM_AUTH_CMPL* p_auth_cmpl) {
/* Save link key, if not temporary */
bt_bdaddr_t bd_addr;
bt_status_t status = BT_STATUS_FAIL;
bt_bond_state_t state = BT_BOND_STATE_NONE;
bool skip_sdp = false;
BTIF_TRACE_DEBUG("%s: bond state=%d", __func__, pairing_cb.state);
bdcpy(bd_addr.address, p_auth_cmpl->bd_addr);
if ((p_auth_cmpl->success == true) && (p_auth_cmpl->key_present)) {
if ((p_auth_cmpl->key_type < HCI_LKEY_TYPE_DEBUG_COMB) ||
(p_auth_cmpl->key_type == HCI_LKEY_TYPE_AUTH_COMB) ||
(p_auth_cmpl->key_type == HCI_LKEY_TYPE_CHANGED_COMB) ||
(p_auth_cmpl->key_type == HCI_LKEY_TYPE_AUTH_COMB_P_256) ||
pairing_cb.bond_type == BOND_TYPE_PERSISTENT) {
bt_status_t ret;
BTIF_TRACE_DEBUG("%s: Storing link key. key_type=0x%x, bond_type=%d",
__func__, p_auth_cmpl->key_type, pairing_cb.bond_type);
ret = btif_storage_add_bonded_device(&bd_addr, p_auth_cmpl->key,
p_auth_cmpl->key_type,
pairing_cb.pin_code_len);
ASSERTC(ret == BT_STATUS_SUCCESS, "storing link key failed", ret);
} else {
BTIF_TRACE_DEBUG(
"%s: Temporary key. Not storing. key_type=0x%x, bond_type=%d",
__func__, p_auth_cmpl->key_type, pairing_cb.bond_type);
if (pairing_cb.bond_type == BOND_TYPE_TEMPORARY) {
BTIF_TRACE_DEBUG("%s: sending BT_BOND_STATE_NONE for Temp pairing",
__func__);
btif_storage_remove_bonded_device(&bd_addr);
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_NONE);
return;
}
}
}
// We could have received a new link key without going through the pairing
// flow. If so, we don't want to perform SDP or any other operations on the
// authenticated device. Also, make sure that the link key is not derived from
// secure LTK, because we will need to perform SDP in case of link key
// derivation to allow bond state change notification for the BR/EDR transport
// so that the subsequent BR/EDR connections to the remote can use the derived
// link key.
if ((bdcmp(p_auth_cmpl->bd_addr, pairing_cb.bd_addr) != 0) &&
(!pairing_cb.ble.is_penc_key_rcvd)) {
char address[32];
bt_bdaddr_t bt_bdaddr;
memcpy(bt_bdaddr.address, p_auth_cmpl->bd_addr, sizeof(bt_bdaddr.address));
bdaddr_to_string(&bt_bdaddr, address, sizeof(address));
LOG_INFO(LOG_TAG,
"%s skipping SDP since we did not initiate pairing to %s.",
__func__, address);
return;
}
// Skip SDP for certain HID Devices
if (p_auth_cmpl->success) {
btif_storage_set_remote_addr_type(&bd_addr, p_auth_cmpl->addr_type);
btif_update_remote_properties(p_auth_cmpl->bd_addr, p_auth_cmpl->bd_name,
NULL, p_auth_cmpl->dev_type);
pairing_cb.timeout_retries = 0;
status = BT_STATUS_SUCCESS;
state = BT_BOND_STATE_BONDED;
bdcpy(bd_addr.address, p_auth_cmpl->bd_addr);
if (check_sdp_bl(&bd_addr) && check_cod_hid(&bd_addr)) {
LOG_WARN(LOG_TAG, "%s:skip SDP", __func__);
skip_sdp = true;
}
if (!pairing_cb.is_local_initiated && skip_sdp) {
bond_state_changed(status, &bd_addr, state);
LOG_WARN(LOG_TAG, "%s: Incoming HID Connection", __func__);
bt_property_t prop;
bt_bdaddr_t bd_addr;
bt_uuid_t uuid;
char uuid_str[128] = UUID_HUMAN_INTERFACE_DEVICE;
string_to_uuid(uuid_str, &uuid);
prop.type = BT_PROPERTY_UUIDS;
prop.val = uuid.uu;
prop.len = MAX_UUID_SIZE;
/* Send the event to the BTIF */
HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, BT_STATUS_SUCCESS,
&bd_addr, 1, &prop);
} else {
bool is_crosskey = false;
/* If bonded due to cross-key, save the static address too*/
if (pairing_cb.state == BT_BOND_STATE_BONDING &&
(bdcmp(p_auth_cmpl->bd_addr, pairing_cb.bd_addr) != 0)) {
BTIF_TRACE_DEBUG(
"%s: bonding initiated due to cross key, adding static address",
__func__);
bdcpy(pairing_cb.static_bdaddr.address, p_auth_cmpl->bd_addr);
is_crosskey = true;
}
if (!is_crosskey ||
!(stack_config_get_interface()->get_pts_crosskey_sdp_disable())) {
// Ensure inquiry is stopped before attempting service discovery
btif_dm_cancel_discovery();
/* Trigger SDP on the device */
pairing_cb.sdp_attempts = 1;
btif_dm_get_remote_services(&bd_addr);
}
}
// Do not call bond_state_changed_cb yet. Wait until remote service
// discovery is complete
} else {
// Map the HCI fail reason to bt status
switch (p_auth_cmpl->fail_reason) {
case HCI_ERR_PAGE_TIMEOUT:
case HCI_ERR_LMP_RESPONSE_TIMEOUT:
if (interop_match_addr(INTEROP_AUTO_RETRY_PAIRING, &bd_addr) &&
pairing_cb.timeout_retries) {
BTIF_TRACE_WARNING("%s() - Pairing timeout; retrying (%d) ...",
__func__, pairing_cb.timeout_retries);
--pairing_cb.timeout_retries;
btif_dm_cb_create_bond(&bd_addr, BTA_TRANSPORT_UNKNOWN);
return;
}
/* Fall-through */
case HCI_ERR_CONNECTION_TOUT:
status = BT_STATUS_RMT_DEV_DOWN;
break;
case HCI_ERR_PAIRING_NOT_ALLOWED:
btif_storage_remove_bonded_device(&bd_addr);
status = BT_STATUS_AUTH_REJECTED;
break;
/* map the auth failure codes, so we can retry pairing if necessary */
case HCI_ERR_AUTH_FAILURE:
case HCI_ERR_KEY_MISSING:
btif_storage_remove_bonded_device(&bd_addr);
case HCI_ERR_HOST_REJECT_SECURITY:
case HCI_ERR_ENCRY_MODE_NOT_ACCEPTABLE:
case HCI_ERR_UNIT_KEY_USED:
case HCI_ERR_PAIRING_WITH_UNIT_KEY_NOT_SUPPORTED:
case HCI_ERR_INSUFFCIENT_SECURITY:
case HCI_ERR_PEER_USER:
case HCI_ERR_UNSPECIFIED:
BTIF_TRACE_DEBUG(" %s() Authentication fail reason %d", __func__,
p_auth_cmpl->fail_reason);
if (pairing_cb.autopair_attempts == 1) {
/* Create the Bond once again */
BTIF_TRACE_WARNING("%s() auto pair failed. Reinitiate Bond",
__func__);
btif_dm_cb_create_bond(&bd_addr, BTA_TRANSPORT_UNKNOWN);
return;
} else {
/* if autopair attempts are more than 1, or not attempted */
status = BT_STATUS_AUTH_FAILURE;
}
break;
default:
status = BT_STATUS_FAIL;
}
/* Special Handling for HID Devices */
if (check_cod(&bd_addr, COD_HID_POINTING)) {
/* Remove Device as bonded in nvram as authentication failed */
BTIF_TRACE_DEBUG("%s(): removing hid pointing device from nvram",
__func__);
btif_storage_remove_bonded_device(&bd_addr);
}
bond_state_changed(status, &bd_addr, state);
}
}
/******************************************************************************
*
* Function btif_dm_search_devices_evt
*
* Description Executes search devices callback events in btif context
*
* Returns void
*
*****************************************************************************/
static void btif_dm_search_devices_evt(uint16_t event, char* p_param) {
tBTA_DM_SEARCH* p_search_data;
BTIF_TRACE_EVENT("%s event=%s", __func__, dump_dm_search_event(event));
switch (event) {
case BTA_DM_DISC_RES_EVT: {
p_search_data = (tBTA_DM_SEARCH*)p_param;
/* Remote name update */
if (strlen((const char*)p_search_data->disc_res.bd_name)) {
bt_property_t properties[1];
bt_bdaddr_t bdaddr;
bt_status_t status;
properties[0].type = BT_PROPERTY_BDNAME;
properties[0].val = p_search_data->disc_res.bd_name;
properties[0].len = strlen((char*)p_search_data->disc_res.bd_name);
bdcpy(bdaddr.address, p_search_data->disc_res.bd_addr);
status =
btif_storage_set_remote_device_property(&bdaddr, &properties[0]);
ASSERTC(status == BT_STATUS_SUCCESS,
"failed to save remote device property", status);
HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, status, &bdaddr,
1, properties);
}
/* TODO: Services? */
} break;
case BTA_DM_INQ_RES_EVT: {
/* inquiry result */
bt_bdname_t bdname;
bt_bdaddr_t bdaddr;
uint8_t remote_name_len;
tBTA_SERVICE_MASK services = 0;
bdstr_t bdstr;
p_search_data = (tBTA_DM_SEARCH*)p_param;
bdcpy(bdaddr.address, p_search_data->inq_res.bd_addr);
BTIF_TRACE_DEBUG("%s() %s device_type = 0x%x\n", __func__,
bdaddr_to_string(&bdaddr, bdstr, sizeof(bdstr)),
p_search_data->inq_res.device_type);
bdname.name[0] = 0;
if (!check_eir_remote_name(p_search_data, bdname.name, &remote_name_len))
check_cached_remote_name(p_search_data, bdname.name, &remote_name_len);
/* Check EIR for remote name and services */
if (p_search_data->inq_res.p_eir) {
BTA_GetEirService(p_search_data->inq_res.p_eir,
p_search_data->inq_res.eir_len, &services);
BTIF_TRACE_DEBUG("%s()EIR BTA services = %08X", __func__,
(uint32_t)services);
/* TODO: Get the service list and check to see which uuids we got and
* send it back to the client. */
}
{
bt_property_t properties[5];
bt_device_type_t dev_type;
uint32_t num_properties = 0;
bt_status_t status;
int addr_type = 0;
memset(properties, 0, sizeof(properties));
/* BD_ADDR */
BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
BT_PROPERTY_BDADDR, sizeof(bdaddr), &bdaddr);
num_properties++;
/* BD_NAME */
/* Don't send BDNAME if it is empty */
if (bdname.name[0]) {
BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
BT_PROPERTY_BDNAME,
strlen((char*)bdname.name), &bdname);
num_properties++;
}
/* DEV_CLASS */
uint32_t cod = devclass2uint(p_search_data->inq_res.dev_class);
BTIF_TRACE_DEBUG("%s cod is 0x%06x", __func__, cod);
if (cod != 0) {
BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
BT_PROPERTY_CLASS_OF_DEVICE, sizeof(cod),
&cod);
num_properties++;
}
/* DEV_TYPE */
/* FixMe: Assumption is that bluetooth.h and BTE enums match */
/* Verify if the device is dual mode in NVRAM */
int stored_device_type = 0;
if (btif_get_device_type(bdaddr.address, &stored_device_type) &&
((stored_device_type != BT_DEVICE_TYPE_BREDR &&
p_search_data->inq_res.device_type == BT_DEVICE_TYPE_BREDR) ||
(stored_device_type != BT_DEVICE_TYPE_BLE &&
p_search_data->inq_res.device_type == BT_DEVICE_TYPE_BLE))) {
dev_type = (bt_device_type_t)BT_DEVICE_TYPE_DUMO;
} else {
dev_type = (bt_device_type_t)p_search_data->inq_res.device_type;
}
if (p_search_data->inq_res.device_type == BT_DEVICE_TYPE_BLE)
addr_type = p_search_data->inq_res.ble_addr_type;
BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
BT_PROPERTY_TYPE_OF_DEVICE, sizeof(dev_type),
&dev_type);
num_properties++;
/* RSSI */
BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
BT_PROPERTY_REMOTE_RSSI, sizeof(int8_t),
&(p_search_data->inq_res.rssi));
num_properties++;
status =
btif_storage_add_remote_device(&bdaddr, num_properties, properties);
ASSERTC(status == BT_STATUS_SUCCESS,
"failed to save remote device (inquiry)", status);
status = btif_storage_set_remote_addr_type(&bdaddr, addr_type);
ASSERTC(status == BT_STATUS_SUCCESS,
"failed to save remote addr type (inquiry)", status);
/* Callback to notify upper layer of device */
HAL_CBACK(bt_hal_cbacks, device_found_cb, num_properties, properties);
}
} break;
case BTA_DM_INQ_CMPL_EVT: {
do_in_bta_thread(
FROM_HERE,
base::Bind(&BTM_BleAdvFilterParamSetup, BTM_BLE_SCAN_COND_DELETE, 0,
nullptr, base::Bind(&bte_scan_filt_param_cfg_evt, 0)));
} break;
case BTA_DM_DISC_CMPL_EVT: {
HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb,
BT_DISCOVERY_STOPPED);
} break;
case BTA_DM_SEARCH_CANCEL_CMPL_EVT: {
/* if inquiry is not in progress and we get a cancel event, then
* it means we are done with inquiry, but remote_name fetches are in
* progress
*
* if inquiry is in progress, then we don't want to act on this
* cancel_cmpl_evt
* but instead wait for the cancel_cmpl_evt via the Busy Level
*
*/
if (btif_dm_inquiry_in_progress == false) {
btgatt_filt_param_setup_t adv_filt_param;
memset(&adv_filt_param, 0, sizeof(btgatt_filt_param_setup_t));
do_in_bta_thread(
FROM_HERE,
base::Bind(&BTM_BleAdvFilterParamSetup, BTM_BLE_SCAN_COND_DELETE, 0,
nullptr, base::Bind(&bte_scan_filt_param_cfg_evt, 0)));
HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb,
BT_DISCOVERY_STOPPED);
}
} break;
}
}
/*******************************************************************************
*
* Function btif_dm_search_services_evt
*
* Description Executes search services event in btif context
*
* Returns void
*
******************************************************************************/
static void btif_dm_search_services_evt(uint16_t event, char* p_param) {
tBTA_DM_SEARCH* p_data = (tBTA_DM_SEARCH*)p_param;
BTIF_TRACE_EVENT("%s: event = %d", __func__, event);
switch (event) {
case BTA_DM_DISC_RES_EVT: {
bt_property_t prop;
uint32_t i = 0;
bt_bdaddr_t bd_addr;
bt_status_t ret;
bdcpy(bd_addr.address, p_data->disc_res.bd_addr);
BTIF_TRACE_DEBUG("%s:(result=0x%x, services 0x%x)", __func__,
p_data->disc_res.result, p_data->disc_res.services);
if ((p_data->disc_res.result != BTA_SUCCESS) &&
(pairing_cb.state == BT_BOND_STATE_BONDING) &&
(pairing_cb.sdp_attempts < BTIF_DM_MAX_SDP_ATTEMPTS_AFTER_PAIRING)) {
BTIF_TRACE_WARNING("%s:SDP failed after bonding re-attempting",
__func__);
pairing_cb.sdp_attempts++;
btif_dm_get_remote_services(&bd_addr);
return;
}
prop.type = BT_PROPERTY_UUIDS;
prop.len = 0;
if ((p_data->disc_res.result == BTA_SUCCESS) &&
(p_data->disc_res.num_uuids > 0)) {
prop.val = p_data->disc_res.p_uuid_list;
prop.len = p_data->disc_res.num_uuids * MAX_UUID_SIZE;
for (i = 0; i < p_data->disc_res.num_uuids; i++) {
char temp[256];
uuid_to_string_legacy(
(bt_uuid_t*)(p_data->disc_res.p_uuid_list + (i * MAX_UUID_SIZE)),
temp, sizeof(temp));
LOG_INFO(LOG_TAG, "%s index:%d uuid:%s", __func__, i, temp);
}
}
/* onUuidChanged requires getBondedDevices to be populated.
** bond_state_changed needs to be sent prior to remote_device_property
*/
if ((pairing_cb.state == BT_BOND_STATE_BONDING) &&
((bdcmp(p_data->disc_res.bd_addr, pairing_cb.bd_addr) == 0) ||
(bdcmp(p_data->disc_res.bd_addr, pairing_cb.static_bdaddr.address) ==
0)) &&
pairing_cb.sdp_attempts > 0) {
BTIF_TRACE_DEBUG(
"%s Remote Service SDP done. Call bond_state_changed_cb BONDED",
__func__);
pairing_cb.sdp_attempts = 0;
// If bonding occured due to cross-key pairing, send bonding callback
// for static address now
if (bdcmp(p_data->disc_res.bd_addr, pairing_cb.static_bdaddr.address) ==
0)
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr,
BT_BOND_STATE_BONDING);
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDED);
}
if (p_data->disc_res.num_uuids != 0) {
/* Also write this to the NVRAM */
ret = btif_storage_set_remote_device_property(&bd_addr, &prop);
ASSERTC(ret == BT_STATUS_SUCCESS, "storing remote services failed",
ret);
/* Send the event to the BTIF */
HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, BT_STATUS_SUCCESS,
&bd_addr, 1, &prop);
}
} break;
case BTA_DM_DISC_CMPL_EVT:
/* fixme */
break;
case BTA_DM_SEARCH_CANCEL_CMPL_EVT:
/* no-op */
break;
case BTA_DM_DISC_BLE_RES_EVT: {
BTIF_TRACE_DEBUG("%s:, services 0x%x)", __func__,
p_data->disc_ble_res.service.uu.uuid16);
bt_uuid_t uuid;
int i = 0;
int j = 15;
int num_properties = 0;
if (p_data->disc_ble_res.service.uu.uuid16 == UUID_SERVCLASS_LE_HID) {
BTIF_TRACE_DEBUG("%s: Found HOGP UUID", __func__);
bt_property_t prop[2];
bt_bdaddr_t bd_addr;
char temp[256];
bt_status_t ret;
bta_gatt_convert_uuid16_to_uuid128(
uuid.uu, p_data->disc_ble_res.service.uu.uuid16);
while (i < j) {
unsigned char c = uuid.uu[j];
uuid.uu[j] = uuid.uu[i];
uuid.uu[i] = c;
i++;
j--;
}
uuid_to_string_legacy(&uuid, temp, sizeof(temp));
LOG_INFO(LOG_TAG, "%s uuid:%s", __func__, temp);
bdcpy(bd_addr.address, p_data->disc_ble_res.bd_addr);
prop[0].type = BT_PROPERTY_UUIDS;
prop[0].val = uuid.uu;
prop[0].len = MAX_UUID_SIZE;
/* Also write this to the NVRAM */
ret = btif_storage_set_remote_device_property(&bd_addr, &prop[0]);
ASSERTC(ret == BT_STATUS_SUCCESS, "storing remote services failed",
ret);
num_properties++;
/* Remote name update */
if (strnlen((const char*)p_data->disc_ble_res.bd_name, BD_NAME_LEN)) {
prop[1].type = BT_PROPERTY_BDNAME;
prop[1].val = p_data->disc_ble_res.bd_name;
prop[1].len =
strnlen((char*)p_data->disc_ble_res.bd_name, BD_NAME_LEN);
ret = btif_storage_set_remote_device_property(&bd_addr, &prop[1]);
ASSERTC(ret == BT_STATUS_SUCCESS,
"failed to save remote device property", ret);
num_properties++;
}
/* Send the event to the BTIF */
HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, BT_STATUS_SUCCESS,
&bd_addr, num_properties, prop);
}
} break;
default: { ASSERTC(0, "unhandled search services event", event); } break;
}
}
/*******************************************************************************
*
* Function btif_dm_remote_service_record_evt
*
* Description Executes search service record event in btif context
*
* Returns void
*
******************************************************************************/
static void btif_dm_remote_service_record_evt(uint16_t event, char* p_param) {
tBTA_DM_SEARCH* p_data = (tBTA_DM_SEARCH*)p_param;
BTIF_TRACE_EVENT("%s: event = %d", __func__, event);
switch (event) {
case BTA_DM_DISC_RES_EVT: {
bt_service_record_t rec;
bt_property_t prop;
bt_bdaddr_t bd_addr;
memset(&rec, 0, sizeof(bt_service_record_t));
bdcpy(bd_addr.address, p_data->disc_res.bd_addr);
BTIF_TRACE_DEBUG("%s:(result=0x%x, services 0x%x)", __func__,
p_data->disc_res.result, p_data->disc_res.services);
prop.type = BT_PROPERTY_SERVICE_RECORD;
prop.val = (void*)&rec;
prop.len = sizeof(rec);
/* disc_res.result is overloaded with SCN. Cannot check result */
p_data->disc_res.services &= ~BTA_USER_SERVICE_MASK;
/* TODO: Get the UUID as well */
rec.channel = p_data->disc_res.result - 3;
/* TODO: Need to get the service name using p_raw_data */
rec.name[0] = 0;
HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, BT_STATUS_SUCCESS,
&bd_addr, 1, &prop);
} break;
default: {
ASSERTC(0, "unhandled remote service record event", event);
} break;
}
}
/*******************************************************************************
*
* Function btif_dm_upstreams_cback
*
* Description Executes UPSTREAMS events in btif context
*
* Returns void
*
******************************************************************************/
static void btif_dm_upstreams_evt(uint16_t event, char* p_param) {
tBTA_DM_SEC* p_data = (tBTA_DM_SEC*)p_param;
tBTA_SERVICE_MASK service_mask;
uint32_t i;
bt_bdaddr_t bd_addr;
BTIF_TRACE_EVENT("%s: ev: %s", __func__, dump_dm_event(event));
switch (event) {
case BTA_DM_ENABLE_EVT: {
BD_NAME bdname;
bt_status_t status;
bt_property_t prop;
prop.type = BT_PROPERTY_BDNAME;
prop.len = BD_NAME_LEN;
prop.val = (void*)bdname;
status = btif_storage_get_adapter_property(&prop);
if (status == BT_STATUS_SUCCESS) {
/* A name exists in the storage. Make this the device name */
BTA_DmSetDeviceName((char*)prop.val);
} else {
/* Storage does not have a name yet.
* Use the default name and write it to the chip
*/
BTA_DmSetDeviceName(btif_get_default_local_name());
}
/* Enable local privacy */
BTA_DmBleConfigLocalPrivacy(BLE_LOCAL_PRIVACY_ENABLED);
/* for each of the enabled services in the mask, trigger the profile
* enable */
service_mask = btif_get_enabled_services_mask();
for (i = 0; i <= BTA_MAX_SERVICE_ID; i++) {
if (service_mask &
(tBTA_SERVICE_MASK)(BTA_SERVICE_ID_TO_SERVICE_MASK(i))) {
btif_in_execute_service_request(i, true);
}
}
/* clear control blocks */
memset(&pairing_cb, 0, sizeof(btif_dm_pairing_cb_t));
pairing_cb.bond_type = BOND_TYPE_PERSISTENT;
/* This function will also trigger the adapter_properties_cb
** and bonded_devices_info_cb
*/
btif_storage_load_bonded_devices();
btif_enable_bluetooth_evt(p_data->enable.status);
} break;
case BTA_DM_DISABLE_EVT:
/* for each of the enabled services in the mask, trigger the profile
* disable */
service_mask = btif_get_enabled_services_mask();
for (i = 0; i <= BTA_MAX_SERVICE_ID; i++) {
if (service_mask &
(tBTA_SERVICE_MASK)(BTA_SERVICE_ID_TO_SERVICE_MASK(i))) {
btif_in_execute_service_request(i, false);
}
}
btif_disable_bluetooth_evt();
break;
case BTA_DM_PIN_REQ_EVT:
btif_dm_pin_req_evt(&p_data->pin_req);
break;
case BTA_DM_AUTH_CMPL_EVT:
btif_dm_auth_cmpl_evt(&p_data->auth_cmpl);
break;
case BTA_DM_BOND_CANCEL_CMPL_EVT:
if (pairing_cb.state == BT_BOND_STATE_BONDING) {
bdcpy(bd_addr.address, pairing_cb.bd_addr);
btm_set_bond_type_dev(pairing_cb.bd_addr, BOND_TYPE_UNKNOWN);
bond_state_changed((bt_status_t)p_data->bond_cancel_cmpl.result,
&bd_addr, BT_BOND_STATE_NONE);
}
break;
case BTA_DM_SP_CFM_REQ_EVT:
btif_dm_ssp_cfm_req_evt(&p_data->cfm_req);
break;
case BTA_DM_SP_KEY_NOTIF_EVT:
btif_dm_ssp_key_notif_evt(&p_data->key_notif);
break;
case BTA_DM_DEV_UNPAIRED_EVT:
bdcpy(bd_addr.address, p_data->link_down.bd_addr);
btm_set_bond_type_dev(p_data->link_down.bd_addr, BOND_TYPE_UNKNOWN);
/*special handling for HID devices */
#if (defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == true))
btif_hh_remove_device(bd_addr);
#endif
#if (defined(BTA_HD_INCLUDED) && (BTA_HD_INCLUDED == TRUE))
btif_hd_remove_device(bd_addr);
#endif
btif_storage_remove_bonded_device(&bd_addr);
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_NONE);
break;
case BTA_DM_BUSY_LEVEL_EVT: {
if (p_data->busy_level.level_flags & BTM_BL_INQUIRY_PAGING_MASK) {
if (p_data->busy_level.level_flags == BTM_BL_INQUIRY_STARTED) {
HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb,
BT_DISCOVERY_STARTED);
btif_dm_inquiry_in_progress = true;
} else if (p_data->busy_level.level_flags == BTM_BL_INQUIRY_CANCELLED) {
HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb,
BT_DISCOVERY_STOPPED);
btif_dm_inquiry_in_progress = false;
} else if (p_data->busy_level.level_flags == BTM_BL_INQUIRY_COMPLETE) {
btif_dm_inquiry_in_progress = false;
}
}
} break;
case BTA_DM_LINK_UP_EVT:
bdcpy(bd_addr.address, p_data->link_up.bd_addr);
BTIF_TRACE_DEBUG("BTA_DM_LINK_UP_EVT. Sending BT_ACL_STATE_CONNECTED");
btif_update_remote_version_property(&bd_addr);
HAL_CBACK(bt_hal_cbacks, acl_state_changed_cb, BT_STATUS_SUCCESS,
&bd_addr, BT_ACL_STATE_CONNECTED);
break;
case BTA_DM_LINK_DOWN_EVT:
bdcpy(bd_addr.address, p_data->link_down.bd_addr);
btm_set_bond_type_dev(p_data->link_down.bd_addr, BOND_TYPE_UNKNOWN);
btif_av_move_idle(bd_addr);
BTIF_TRACE_DEBUG(
"BTA_DM_LINK_DOWN_EVT. Sending BT_ACL_STATE_DISCONNECTED");
HAL_CBACK(bt_hal_cbacks, acl_state_changed_cb, BT_STATUS_SUCCESS,
&bd_addr, BT_ACL_STATE_DISCONNECTED);
break;
case BTA_DM_HW_ERROR_EVT:
BTIF_TRACE_ERROR("Received H/W Error. ");
/* Flush storage data */
btif_config_flush();
usleep(100000); /* 100milliseconds */
/* Killing the process to force a restart as part of fault tolerance */
kill(getpid(), SIGKILL);
break;
case BTA_DM_BLE_KEY_EVT:
BTIF_TRACE_DEBUG("BTA_DM_BLE_KEY_EVT key_type=0x%02x ",
p_data->ble_key.key_type);
/* If this pairing is by-product of local initiated GATT client Read or
Write,
BTA would not have sent BTA_DM_BLE_SEC_REQ_EVT event and Bond state would
not
have setup properly. Setup pairing_cb and notify App about Bonding state
now*/
if (pairing_cb.state != BT_BOND_STATE_BONDING) {
BTIF_TRACE_DEBUG(
"Bond state not sent to App so far.Notify the app now");
bond_state_changed(BT_STATUS_SUCCESS,
(bt_bdaddr_t*)p_data->ble_key.bd_addr,
BT_BOND_STATE_BONDING);
} else if (memcmp(pairing_cb.bd_addr, p_data->ble_key.bd_addr,
BD_ADDR_LEN) != 0) {
BTIF_TRACE_ERROR("BD mismatch discard BLE key_type=%d ",
p_data->ble_key.key_type);
break;
}
switch (p_data->ble_key.key_type) {
case BTA_LE_KEY_PENC:
BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_PENC");
pairing_cb.ble.is_penc_key_rcvd = true;
pairing_cb.ble.penc_key = p_data->ble_key.p_key_value->penc_key;
break;
case BTA_LE_KEY_PID:
BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_PID");
pairing_cb.ble.is_pid_key_rcvd = true;
pairing_cb.ble.pid_key = p_data->ble_key.p_key_value->pid_key;
break;
case BTA_LE_KEY_PCSRK:
BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_PCSRK");
pairing_cb.ble.is_pcsrk_key_rcvd = true;
pairing_cb.ble.pcsrk_key = p_data->ble_key.p_key_value->pcsrk_key;
break;
case BTA_LE_KEY_LENC:
BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_LENC");
pairing_cb.ble.is_lenc_key_rcvd = true;
pairing_cb.ble.lenc_key = p_data->ble_key.p_key_value->lenc_key;
break;
case BTA_LE_KEY_LCSRK:
BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_LCSRK");
pairing_cb.ble.is_lcsrk_key_rcvd = true;
pairing_cb.ble.lcsrk_key = p_data->ble_key.p_key_value->lcsrk_key;
break;
case BTA_LE_KEY_LID:
BTIF_TRACE_DEBUG("Rcv BTA_LE_KEY_LID");
pairing_cb.ble.is_lidk_key_rcvd = true;
break;
default:
BTIF_TRACE_ERROR("unknown BLE key type (0x%02x)",
p_data->ble_key.key_type);
break;
}
break;
case BTA_DM_BLE_SEC_REQ_EVT:
BTIF_TRACE_DEBUG("BTA_DM_BLE_SEC_REQ_EVT. ");
btif_dm_ble_sec_req_evt(&p_data->ble_req);
break;
case BTA_DM_BLE_PASSKEY_NOTIF_EVT:
BTIF_TRACE_DEBUG("BTA_DM_BLE_PASSKEY_NOTIF_EVT. ");
btif_dm_ble_key_notif_evt(&p_data->key_notif);
break;
case BTA_DM_BLE_PASSKEY_REQ_EVT:
BTIF_TRACE_DEBUG("BTA_DM_BLE_PASSKEY_REQ_EVT. ");
btif_dm_ble_passkey_req_evt(&p_data->pin_req);
break;
case BTA_DM_BLE_NC_REQ_EVT:
BTIF_TRACE_DEBUG("BTA_DM_BLE_PASSKEY_REQ_EVT. ");
btif_dm_ble_key_nc_req_evt(&p_data->key_notif);
break;
case BTA_DM_BLE_OOB_REQ_EVT:
BTIF_TRACE_DEBUG("BTA_DM_BLE_OOB_REQ_EVT. ");
btif_dm_ble_oob_req_evt(&p_data->rmt_oob);
break;
case BTA_DM_BLE_SC_OOB_REQ_EVT:
BTIF_TRACE_DEBUG("BTA_DM_BLE_SC_OOB_REQ_EVT. ");
btif_dm_ble_sc_oob_req_evt(&p_data->rmt_oob);
break;
case BTA_DM_BLE_LOCAL_IR_EVT:
BTIF_TRACE_DEBUG("BTA_DM_BLE_LOCAL_IR_EVT. ");
ble_local_key_cb.is_id_keys_rcvd = true;
memcpy(&ble_local_key_cb.id_keys.irk[0], &p_data->ble_id_keys.irk[0],
sizeof(BT_OCTET16));
memcpy(&ble_local_key_cb.id_keys.ir[0], &p_data->ble_id_keys.ir[0],
sizeof(BT_OCTET16));
memcpy(&ble_local_key_cb.id_keys.dhk[0], &p_data->ble_id_keys.dhk[0],
sizeof(BT_OCTET16));
btif_storage_add_ble_local_key((char*)&ble_local_key_cb.id_keys.irk[0],
BTIF_DM_LE_LOCAL_KEY_IRK, BT_OCTET16_LEN);
btif_storage_add_ble_local_key((char*)&ble_local_key_cb.id_keys.ir[0],
BTIF_DM_LE_LOCAL_KEY_IR, BT_OCTET16_LEN);
btif_storage_add_ble_local_key((char*)&ble_local_key_cb.id_keys.dhk[0],
BTIF_DM_LE_LOCAL_KEY_DHK, BT_OCTET16_LEN);
break;
case BTA_DM_BLE_LOCAL_ER_EVT:
BTIF_TRACE_DEBUG("BTA_DM_BLE_LOCAL_ER_EVT. ");
ble_local_key_cb.is_er_rcvd = true;
memcpy(&ble_local_key_cb.er[0], &p_data->ble_er[0], sizeof(BT_OCTET16));
btif_storage_add_ble_local_key((char*)&ble_local_key_cb.er[0],
BTIF_DM_LE_LOCAL_KEY_ER, BT_OCTET16_LEN);
break;
case BTA_DM_BLE_AUTH_CMPL_EVT:
BTIF_TRACE_DEBUG("BTA_DM_BLE_AUTH_CMPL_EVT. ");
btif_dm_ble_auth_cmpl_evt(&p_data->auth_cmpl);
break;
case BTA_DM_LE_FEATURES_READ: {
tBTM_BLE_VSC_CB cmn_vsc_cb;
bt_local_le_features_t local_le_features;
char buf[512];
bt_property_t prop;
prop.type = BT_PROPERTY_LOCAL_LE_FEATURES;
prop.val = (void*)buf;
prop.len = sizeof(buf);
/* LE features are not stored in storage. Should be retrived from stack */
BTM_BleGetVendorCapabilities(&cmn_vsc_cb);
local_le_features.local_privacy_enabled = BTM_BleLocalPrivacyEnabled();
prop.len = sizeof(bt_local_le_features_t);
if (cmn_vsc_cb.filter_support == 1)
local_le_features.max_adv_filter_supported = cmn_vsc_cb.max_filter;
else
local_le_features.max_adv_filter_supported = 0;
local_le_features.max_adv_instance = cmn_vsc_cb.adv_inst_max;
local_le_features.max_irk_list_size = cmn_vsc_cb.max_irk_list_sz;
local_le_features.rpa_offload_supported = cmn_vsc_cb.rpa_offloading;
local_le_features.activity_energy_info_supported =
cmn_vsc_cb.energy_support;
local_le_features.scan_result_storage_size =
cmn_vsc_cb.tot_scan_results_strg;
local_le_features.version_supported = cmn_vsc_cb.version_supported;
local_le_features.total_trackable_advertisers =
cmn_vsc_cb.total_trackable_advertisers;
local_le_features.extended_scan_support =
cmn_vsc_cb.extended_scan_support > 0;
local_le_features.debug_logging_supported =
cmn_vsc_cb.debug_logging_supported > 0;
const controller_t* controller = controller_get_interface();
local_le_features.le_2m_phy_supported = controller->supports_ble_2m_phy();
local_le_features.le_coded_phy_supported =
controller->supports_ble_coded_phy();
local_le_features.le_extended_advertising_supported =
controller->supports_ble_extended_advertising();
local_le_features.le_periodic_advertising_supported =
controller->supports_ble_periodic_advertising();
local_le_features.le_maximum_advertising_data_length =
controller->get_ble_maxium_advertising_data_length();
memcpy(prop.val, &local_le_features, prop.len);
HAL_CBACK(bt_hal_cbacks, adapter_properties_cb, BT_STATUS_SUCCESS, 1,
&prop);
break;
}
case BTA_DM_ENER_INFO_READ: {
btif_activity_energy_info_cb_t* p_ener_data =
(btif_activity_energy_info_cb_t*)p_param;
bt_activity_energy_info energy_info;
energy_info.status = p_ener_data->status;
energy_info.ctrl_state = p_ener_data->ctrl_state;
energy_info.rx_time = p_ener_data->rx_time;
energy_info.tx_time = p_ener_data->tx_time;
energy_info.idle_time = p_ener_data->idle_time;
energy_info.energy_used = p_ener_data->energy_used;
bt_uid_traffic_t* data = uid_set_read_and_clear(uid_set);
HAL_CBACK(bt_hal_cbacks, energy_info_cb, &energy_info, data);
osi_free(data);
break;
}
case BTA_DM_AUTHORIZE_EVT:
case BTA_DM_SIG_STRENGTH_EVT:
case BTA_DM_SP_RMT_OOB_EVT:
case BTA_DM_SP_KEYPRESS_EVT:
case BTA_DM_ROLE_CHG_EVT:
default:
BTIF_TRACE_WARNING("btif_dm_cback : unhandled event (%d)", event);
break;
}
btif_dm_data_free(event, p_data);
}
/*******************************************************************************
*
* Function btif_dm_generic_evt
*
* Description Executes non-BTA upstream events in BTIF context
*
* Returns void
*
******************************************************************************/
static void btif_dm_generic_evt(uint16_t event, char* p_param) {
BTIF_TRACE_EVENT("%s: event=%d", __func__, event);
switch (event) {
case BTIF_DM_CB_DISCOVERY_STARTED: {
HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb,
BT_DISCOVERY_STARTED);
} break;
case BTIF_DM_CB_CREATE_BOND: {
pairing_cb.timeout_retries = NUM_TIMEOUT_RETRIES;
btif_dm_create_bond_cb_t* create_bond_cb =
(btif_dm_create_bond_cb_t*)p_param;
btif_dm_cb_create_bond(&create_bond_cb->bdaddr,
create_bond_cb->transport);
} break;
case BTIF_DM_CB_REMOVE_BOND: {
btif_dm_cb_remove_bond((bt_bdaddr_t*)p_param);
} break;
case BTIF_DM_CB_HID_REMOTE_NAME: {
btif_dm_cb_hid_remote_name((tBTM_REMOTE_DEV_NAME*)p_param);
} break;
case BTIF_DM_CB_BOND_STATE_BONDING: {
bond_state_changed(BT_STATUS_SUCCESS, (bt_bdaddr_t*)p_param,
BT_BOND_STATE_BONDING);
} break;
case BTIF_DM_CB_LE_TX_TEST:
case BTIF_DM_CB_LE_RX_TEST: {
uint8_t status;
STREAM_TO_UINT8(status, p_param);
HAL_CBACK(bt_hal_cbacks, le_test_mode_cb,
(status == 0) ? BT_STATUS_SUCCESS : BT_STATUS_FAIL, 0);
} break;
case BTIF_DM_CB_LE_TEST_END: {
uint8_t status;
uint16_t count = 0;
STREAM_TO_UINT8(status, p_param);
if (status == 0) STREAM_TO_UINT16(count, p_param);
HAL_CBACK(bt_hal_cbacks, le_test_mode_cb,
(status == 0) ? BT_STATUS_SUCCESS : BT_STATUS_FAIL, count);
} break;
default: {
BTIF_TRACE_WARNING("%s : Unknown event 0x%x", __func__, event);
} break;
}
}
/*******************************************************************************
*
* Function bte_dm_evt
*
* Description Switches context from BTE to BTIF for all DM events
*
* Returns void
*
******************************************************************************/
void bte_dm_evt(tBTA_DM_SEC_EVT event, tBTA_DM_SEC* p_data) {
/* switch context to btif task context (copy full union size for convenience)
*/
bt_status_t status = btif_transfer_context(
btif_dm_upstreams_evt, (uint16_t)event, (char*)p_data,
sizeof(tBTA_DM_SEC), btif_dm_data_copy);
/* catch any failed context transfers */
ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status);
}
/*******************************************************************************
*
* Function bte_search_devices_evt
*
* Description Switches context from BTE to BTIF for DM search events
*
* Returns void
*
******************************************************************************/
static void bte_search_devices_evt(tBTA_DM_SEARCH_EVT event,
tBTA_DM_SEARCH* p_data) {
uint16_t param_len = 0;
if (p_data) param_len += sizeof(tBTA_DM_SEARCH);
/* Allocate buffer to hold the pointers (deep copy). The pointers will point
* to the end of the tBTA_DM_SEARCH */
switch (event) {
case BTA_DM_INQ_RES_EVT: {
if (p_data->inq_res.p_eir) param_len += HCI_EXT_INQ_RESPONSE_LEN;
} break;
case BTA_DM_DISC_RES_EVT: {
if (p_data->disc_res.raw_data_size && p_data->disc_res.p_raw_data)
param_len += p_data->disc_res.raw_data_size;
} break;
}
BTIF_TRACE_DEBUG("%s event=%s param_len=%d", __func__,
dump_dm_search_event(event), param_len);
/* if remote name is available in EIR, set teh flag so that stack doesnt
* trigger RNR */
if (event == BTA_DM_INQ_RES_EVT)
p_data->inq_res.remt_name_not_required =
check_eir_remote_name(p_data, NULL, NULL);
btif_transfer_context(
btif_dm_search_devices_evt, (uint16_t)event, (char*)p_data, param_len,
(param_len > sizeof(tBTA_DM_SEARCH)) ? search_devices_copy_cb : NULL);
}
/*******************************************************************************
*
* Function bte_dm_search_services_evt
*
* Description Switches context from BTE to BTIF for DM search services
* event
*
* Returns void
*
******************************************************************************/
static void bte_dm_search_services_evt(tBTA_DM_SEARCH_EVT event,
tBTA_DM_SEARCH* p_data) {
uint16_t param_len = 0;
if (p_data) param_len += sizeof(tBTA_DM_SEARCH);
switch (event) {
case BTA_DM_DISC_RES_EVT: {
if ((p_data->disc_res.result == BTA_SUCCESS) &&
(p_data->disc_res.num_uuids > 0)) {
param_len += (p_data->disc_res.num_uuids * MAX_UUID_SIZE);
}
} break;
}
/* TODO: The only other member that needs a deep copy is the p_raw_data. But
* not sure
* if raw_data is needed. */
btif_transfer_context(
btif_dm_search_services_evt, event, (char*)p_data, param_len,
(param_len > sizeof(tBTA_DM_SEARCH)) ? search_services_copy_cb : NULL);
}
/*******************************************************************************
*
* Function bte_dm_remote_service_record_evt
*
* Description Switches context from BTE to BTIF for DM search service
* record event
*
* Returns void
*
******************************************************************************/
static void bte_dm_remote_service_record_evt(tBTA_DM_SEARCH_EVT event,
tBTA_DM_SEARCH* p_data) {
/* TODO: The only member that needs a deep copy is the p_raw_data. But not
* sure yet if this is needed. */
btif_transfer_context(btif_dm_remote_service_record_evt, event, (char*)p_data,
sizeof(tBTA_DM_SEARCH), NULL);
}
/*******************************************************************************
*
* Function bta_energy_info_cb
*
* Description Switches context from BTE to BTIF for DM energy info event
*
* Returns void
*
******************************************************************************/
static void bta_energy_info_cb(tBTA_DM_BLE_TX_TIME_MS tx_time,
tBTA_DM_BLE_RX_TIME_MS rx_time,
tBTA_DM_BLE_IDLE_TIME_MS idle_time,
tBTA_DM_BLE_ENERGY_USED energy_used,
tBTA_DM_CONTRL_STATE ctrl_state,
tBTA_STATUS status) {
BTIF_TRACE_DEBUG(
"energy_info_cb-Status:%d,state=%d,tx_t=%ld, rx_t=%ld, "
"idle_time=%ld,used=%ld",
status, ctrl_state, tx_time, rx_time, idle_time, energy_used);
btif_activity_energy_info_cb_t btif_cb;
btif_cb.status = status;
btif_cb.ctrl_state = ctrl_state;
btif_cb.tx_time = (uint64_t)tx_time;
btif_cb.rx_time = (uint64_t)rx_time;
btif_cb.idle_time = (uint64_t)idle_time;
btif_cb.energy_used = (uint64_t)energy_used;
btif_transfer_context(btif_dm_upstreams_evt, BTA_DM_ENER_INFO_READ,
(char*)&btif_cb, sizeof(btif_activity_energy_info_cb_t),
NULL);
}
/* Scan filter param config event */
static void bte_scan_filt_param_cfg_evt(uint8_t ref_value, uint8_t avbl_space,
uint8_t action_type, uint8_t status) {
/* This event occurs on calling BTA_DmBleCfgFilterCondition internally,
** and that is why there is no HAL callback
*/
if (BTA_SUCCESS != status) {
BTIF_TRACE_ERROR("%s, %d", __func__, status);
} else {
BTIF_TRACE_DEBUG("%s", __func__);
}
}
/*****************************************************************************
*
* btif api functions (no context switch)
*
****************************************************************************/
/*******************************************************************************
*
* Function btif_dm_start_discovery
*
* Description Start device discovery/inquiry
*
* Returns bt_status_t
*
******************************************************************************/
bt_status_t btif_dm_start_discovery(void) {
tBTA_DM_INQ inq_params;
tBTA_SERVICE_MASK services = 0;
BTIF_TRACE_EVENT("%s", __func__);
/* Cleanup anything remaining on index 0 */
do_in_bta_thread(
FROM_HERE,
base::Bind(&BTM_BleAdvFilterParamSetup, BTM_BLE_SCAN_COND_DELETE, 0,
nullptr, base::Bind(&bte_scan_filt_param_cfg_evt, 0)));
auto adv_filt_param = std::make_unique<btgatt_filt_param_setup_t>();
/* Add an allow-all filter on index 0*/
adv_filt_param->dely_mode = IMMEDIATE_DELY_MODE;
adv_filt_param->feat_seln = ALLOW_ALL_FILTER;
adv_filt_param->filt_logic_type = BTA_DM_BLE_PF_FILT_LOGIC_OR;
adv_filt_param->list_logic_type = BTA_DM_BLE_PF_LIST_LOGIC_OR;
adv_filt_param->rssi_low_thres = LOWEST_RSSI_VALUE;
adv_filt_param->rssi_high_thres = LOWEST_RSSI_VALUE;
do_in_bta_thread(
FROM_HERE, base::Bind(&BTM_BleAdvFilterParamSetup, BTM_BLE_SCAN_COND_ADD,
0, base::Passed(&adv_filt_param),
base::Bind(&bte_scan_filt_param_cfg_evt, 0)));
/* TODO: Do we need to handle multiple inquiries at the same time? */
/* Set inquiry params and call API */
inq_params.mode = BTA_DM_GENERAL_INQUIRY | BTA_BLE_GENERAL_INQUIRY;
#if (BTA_HOST_INTERLEAVE_SEARCH == TRUE)
inq_params.intl_duration[0] = BTIF_DM_INTERLEAVE_DURATION_BR_ONE;
inq_params.intl_duration[1] = BTIF_DM_INTERLEAVE_DURATION_LE_ONE;
inq_params.intl_duration[2] = BTIF_DM_INTERLEAVE_DURATION_BR_TWO;
inq_params.intl_duration[3] = BTIF_DM_INTERLEAVE_DURATION_LE_TWO;
#endif
inq_params.duration = BTIF_DM_DEFAULT_INQ_MAX_DURATION;
inq_params.max_resps = BTIF_DM_DEFAULT_INQ_MAX_RESULTS;
inq_params.report_dup = true;
inq_params.filter_type = BTA_DM_INQ_CLR;
/* TODO: Filter device by BDA needs to be implemented here */
/* Will be enabled to true once inquiry busy level has been received */
btif_dm_inquiry_in_progress = false;
/* find nearby devices */
BTA_DmSearch(&inq_params, services, bte_search_devices_evt);
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_dm_cancel_discovery
*
* Description Cancels search
*
* Returns bt_status_t
*
******************************************************************************/
bt_status_t btif_dm_cancel_discovery(void) {
BTIF_TRACE_EVENT("%s", __func__);
BTA_DmSearchCancel();
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_dm_create_bond
*
* Description Initiate bonding with the specified device
*
* Returns bt_status_t
*
******************************************************************************/
bt_status_t btif_dm_create_bond(const bt_bdaddr_t* bd_addr, int transport) {
btif_dm_create_bond_cb_t create_bond_cb;
create_bond_cb.transport = transport;
bdcpy(create_bond_cb.bdaddr.address, bd_addr->address);
bdstr_t bdstr;
BTIF_TRACE_EVENT("%s: bd_addr=%s, transport=%d", __func__,
bdaddr_to_string(bd_addr, bdstr, sizeof(bdstr)), transport);
if (pairing_cb.state != BT_BOND_STATE_NONE) return BT_STATUS_BUSY;
btif_stats_add_bond_event(bd_addr, BTIF_DM_FUNC_CREATE_BOND,
pairing_cb.state);
btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_CREATE_BOND,
(char*)&create_bond_cb,
sizeof(btif_dm_create_bond_cb_t), NULL);
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_dm_create_bond_out_of_band
*
* Description Initiate bonding with the specified device using out of band
* data
*
* Returns bt_status_t
*
******************************************************************************/
bt_status_t btif_dm_create_bond_out_of_band(
const bt_bdaddr_t* bd_addr, int transport,
const bt_out_of_band_data_t* oob_data) {
bdcpy(oob_cb.bdaddr, bd_addr->address);
memcpy(&oob_cb.oob_data, oob_data, sizeof(bt_out_of_band_data_t));
uint8_t empty[] = {0, 0, 0, 0, 0, 0, 0};
// If LE Bluetooth Device Address is provided, use provided address type
// value.
if (memcmp(oob_data->le_bt_dev_addr, empty, 7) != 0) {
/* byte no 7 is address type in LE Bluetooth Address OOB data */
uint8_t address_type = oob_data->le_bt_dev_addr[6];
if (address_type == BLE_ADDR_PUBLIC || address_type == BLE_ADDR_RANDOM) {
// bd_addr->address is already reversed, so use it instead of
// oob_data->le_bt_dev_addr
BTM_SecAddBleDevice(bd_addr->address, NULL, BT_DEVICE_TYPE_BLE,
address_type);
}
}
bdstr_t bdstr;
BTIF_TRACE_EVENT("%s: bd_addr=%s, transport=%d", __func__,
bdaddr_to_string(bd_addr, bdstr, sizeof(bdstr)), transport);
return btif_dm_create_bond(bd_addr, transport);
}
/*******************************************************************************
*
* Function btif_dm_cancel_bond
*
* Description Initiate bonding with the specified device
*
* Returns bt_status_t
*
******************************************************************************/
bt_status_t btif_dm_cancel_bond(const bt_bdaddr_t* bd_addr) {
bdstr_t bdstr;
BTIF_TRACE_EVENT("%s: bd_addr=%s", __func__,
bdaddr_to_string(bd_addr, bdstr, sizeof(bdstr)));
btif_stats_add_bond_event(bd_addr, BTIF_DM_FUNC_CANCEL_BOND,
pairing_cb.state);
/* TODO:
** 1. Restore scan modes
** 2. special handling for HID devices
*/
if (pairing_cb.state == BT_BOND_STATE_BONDING) {
if (pairing_cb.is_ssp) {
if (pairing_cb.is_le_only) {
BTA_DmBleSecurityGrant((uint8_t*)bd_addr->address,
BTA_DM_SEC_PAIR_NOT_SPT);
} else {
BTA_DmConfirm((uint8_t*)bd_addr->address, false);
BTA_DmBondCancel((uint8_t*)bd_addr->address);
btif_storage_remove_bonded_device((bt_bdaddr_t*)bd_addr);
}
} else {
if (pairing_cb.is_le_only) {
BTA_DmBondCancel((uint8_t*)bd_addr->address);
} else {
BTA_DmPinReply((uint8_t*)bd_addr->address, false, 0, NULL);
}
/* Cancel bonding, in case it is in ACL connection setup state */
BTA_DmBondCancel((uint8_t*)bd_addr->address);
}
}
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_dm_hh_open_failed
*
* Description informs the upper layers if the HH have failed during
* bonding
*
* Returns none
*
******************************************************************************/
void btif_dm_hh_open_failed(bt_bdaddr_t* bdaddr) {
if (pairing_cb.state == BT_BOND_STATE_BONDING &&
bdcmp(bdaddr->address, pairing_cb.bd_addr) == 0) {
bond_state_changed(BT_STATUS_FAIL, bdaddr, BT_BOND_STATE_NONE);
}
}
/*******************************************************************************
*
* Function btif_dm_remove_bond
*
* Description Removes bonding with the specified device
*
* Returns bt_status_t
*
******************************************************************************/
bt_status_t btif_dm_remove_bond(const bt_bdaddr_t* bd_addr) {
bdstr_t bdstr;
BTIF_TRACE_EVENT("%s: bd_addr=%s", __func__,
bdaddr_to_string(bd_addr, bdstr, sizeof(bdstr)));
btif_stats_add_bond_event(bd_addr, BTIF_DM_FUNC_REMOVE_BOND,
pairing_cb.state);
btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_REMOVE_BOND,
(char*)bd_addr, sizeof(bt_bdaddr_t), NULL);
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_dm_pin_reply
*
* Description BT legacy pairing - PIN code reply
*
* Returns bt_status_t
*
******************************************************************************/
bt_status_t btif_dm_pin_reply(const bt_bdaddr_t* bd_addr, uint8_t accept,
uint8_t pin_len, bt_pin_code_t* pin_code) {
BTIF_TRACE_EVENT("%s: accept=%d", __func__, accept);
if (pin_code == NULL || pin_len > PIN_CODE_LEN) return BT_STATUS_FAIL;
if (pairing_cb.is_le_only) {
int i;
uint32_t passkey = 0;
int multi[] = {100000, 10000, 1000, 100, 10, 1};
BD_ADDR remote_bd_addr;
bdcpy(remote_bd_addr, bd_addr->address);
for (i = 0; i < 6; i++) {
passkey += (multi[i] * (pin_code->pin[i] - '0'));
}
BTIF_TRACE_DEBUG("btif_dm_pin_reply: passkey: %d", passkey);
BTA_DmBlePasskeyReply(remote_bd_addr, accept, passkey);
} else {
BTA_DmPinReply((uint8_t*)bd_addr->address, accept, pin_len, pin_code->pin);
if (accept) pairing_cb.pin_code_len = pin_len;
}
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_dm_ssp_reply
*
* Description BT SSP Reply - Just Works, Numeric Comparison & Passkey
* Entry
*
* Returns bt_status_t
*
******************************************************************************/
bt_status_t btif_dm_ssp_reply(const bt_bdaddr_t* bd_addr,
bt_ssp_variant_t variant, uint8_t accept,
UNUSED_ATTR uint32_t passkey) {
if (variant == BT_SSP_VARIANT_PASSKEY_ENTRY) {
/* This is not implemented in the stack.
* For devices with display, this is not needed
*/
BTIF_TRACE_WARNING("%s: Not implemented", __func__);
return BT_STATUS_FAIL;
}
/* BT_SSP_VARIANT_CONSENT & BT_SSP_VARIANT_PASSKEY_CONFIRMATION supported */
BTIF_TRACE_EVENT("%s: accept=%d", __func__, accept);
if (pairing_cb.is_le_only) {
if (pairing_cb.is_le_nc) {
BTA_DmBleConfirmReply((uint8_t*)bd_addr->address, accept);
} else {
if (accept)
BTA_DmBleSecurityGrant((uint8_t*)bd_addr->address, BTA_DM_SEC_GRANTED);
else
BTA_DmBleSecurityGrant((uint8_t*)bd_addr->address,
BTA_DM_SEC_PAIR_NOT_SPT);
}
} else {
BTA_DmConfirm((uint8_t*)bd_addr->address, accept);
}
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_dm_get_adapter_property
*
* Description Queries the BTA for the adapter property
*
* Returns bt_status_t
*
******************************************************************************/
bt_status_t btif_dm_get_adapter_property(bt_property_t* prop) {
BTIF_TRACE_EVENT("%s: type=0x%x", __func__, prop->type);
switch (prop->type) {
case BT_PROPERTY_BDNAME: {
bt_bdname_t* bd_name = (bt_bdname_t*)prop->val;
strncpy((char*)bd_name->name, (char*)btif_get_default_local_name(),
sizeof(bd_name->name) - 1);
bd_name->name[sizeof(bd_name->name) - 1] = 0;
prop->len = strlen((char*)bd_name->name);
} break;
case BT_PROPERTY_ADAPTER_SCAN_MODE: {
/* if the storage does not have it. Most likely app never set it. Default
* is NONE */
bt_scan_mode_t* mode = (bt_scan_mode_t*)prop->val;
*mode = BT_SCAN_MODE_NONE;
prop->len = sizeof(bt_scan_mode_t);
} break;
case BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT: {
uint32_t* tmt = (uint32_t*)prop->val;
*tmt = 120; /* default to 120s, if not found in NV */
prop->len = sizeof(uint32_t);
} break;
default:
prop->len = 0;
return BT_STATUS_FAIL;
}
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_dm_get_remote_services
*
* Description Start SDP to get remote services
*
* Returns bt_status_t
*
******************************************************************************/
bt_status_t btif_dm_get_remote_services(bt_bdaddr_t* remote_addr) {
bdstr_t bdstr;
BTIF_TRACE_EVENT("%s: remote_addr=%s", __func__,
bdaddr_to_string(remote_addr, bdstr, sizeof(bdstr)));
BTA_DmDiscover(remote_addr->address, BTA_ALL_SERVICE_MASK,
bte_dm_search_services_evt, true);
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_dm_get_remote_services_transport
*
* Description Start SDP to get remote services by transport
*
* Returns bt_status_t
*
******************************************************************************/
bt_status_t btif_dm_get_remote_services_by_transport(bt_bdaddr_t* remote_addr,
const int transport) {
BTIF_TRACE_EVENT("%s", __func__);
/* Set the mask extension */
tBTA_SERVICE_MASK_EXT mask_ext;
mask_ext.num_uuid = 0;
mask_ext.p_uuid = NULL;
mask_ext.srvc_mask = BTA_ALL_SERVICE_MASK;
BTA_DmDiscoverByTransport(remote_addr->address, &mask_ext,
bte_dm_search_services_evt, true, transport);
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_dm_get_remote_service_record
*
* Description Start SDP to get remote service record
*
*
* Returns bt_status_t
******************************************************************************/
bt_status_t btif_dm_get_remote_service_record(bt_bdaddr_t* remote_addr,
bt_uuid_t* uuid) {
tSDP_UUID sdp_uuid;
bdstr_t bdstr;
BTIF_TRACE_EVENT("%s: remote_addr=%s", __func__,
bdaddr_to_string(remote_addr, bdstr, sizeof(bdstr)));
sdp_uuid.len = MAX_UUID_SIZE;
memcpy(sdp_uuid.uu.uuid128, uuid->uu, MAX_UUID_SIZE);
BTA_DmDiscoverUUID(remote_addr->address, &sdp_uuid,
bte_dm_remote_service_record_evt, true);
return BT_STATUS_SUCCESS;
}
void btif_dm_execute_service_request(uint16_t event, char* p_param) {
bool b_enable = false;
bt_status_t status;
if (event == BTIF_DM_ENABLE_SERVICE) {
b_enable = true;
}
status =
btif_in_execute_service_request(*((tBTA_SERVICE_ID*)p_param), b_enable);
if (status == BT_STATUS_SUCCESS) {
bt_property_t property;
bt_uuid_t local_uuids[BT_MAX_NUM_UUIDS];
/* Now send the UUID_PROPERTY_CHANGED event to the upper layer */
BTIF_STORAGE_FILL_PROPERTY(&property, BT_PROPERTY_UUIDS,
sizeof(local_uuids), local_uuids);
btif_storage_get_adapter_property(&property);
HAL_CBACK(bt_hal_cbacks, adapter_properties_cb, BT_STATUS_SUCCESS, 1,
&property);
}
return;
}
void btif_dm_proc_io_req(UNUSED_ATTR BD_ADDR bd_addr,
UNUSED_ATTR tBTA_IO_CAP* p_io_cap,
UNUSED_ATTR tBTA_OOB_DATA* p_oob_data,
tBTA_AUTH_REQ* p_auth_req, bool is_orig) {
uint8_t yes_no_bit = BTA_AUTH_SP_YES & *p_auth_req;
/* if local initiated:
** 1. set DD + MITM
** if remote initiated:
** 1. Copy over the auth_req from peer's io_rsp
** 2. Set the MITM if peer has it set or if peer has DisplayYesNo
*(iPhone)
** as a fallback set MITM+GB if peer had MITM set
*/
BTIF_TRACE_DEBUG("+%s: p_auth_req=%d", __func__, *p_auth_req);
if (pairing_cb.is_local_initiated) {
/* if initing/responding to a dedicated bonding, use dedicate bonding bit */
*p_auth_req = BTA_AUTH_DD_BOND | BTA_AUTH_SP_YES;
} else if (!is_orig) {
/* peer initiated paring. They probably know what they want.
** Copy the mitm from peer device.
*/
BTIF_TRACE_DEBUG("%s: setting p_auth_req to peer's: %d", __func__,
pairing_cb.auth_req);
*p_auth_req = (pairing_cb.auth_req & BTA_AUTH_BONDS);
/* copy over the MITM bit as well. In addition if the peer has DisplayYesNo,
* force MITM */
if ((yes_no_bit) || (pairing_cb.io_cap & BTM_IO_CAP_IO))
*p_auth_req |= BTA_AUTH_SP_YES;
} else if (yes_no_bit) {
/* set the general bonding bit for stored device */
*p_auth_req = BTA_AUTH_GEN_BOND | yes_no_bit;
}
BTIF_TRACE_DEBUG("-%s: p_auth_req=%d", __func__, *p_auth_req);
}
void btif_dm_proc_io_rsp(UNUSED_ATTR BD_ADDR bd_addr, tBTA_IO_CAP io_cap,
UNUSED_ATTR tBTA_OOB_DATA oob_data,
tBTA_AUTH_REQ auth_req) {
if (auth_req & BTA_AUTH_BONDS) {
BTIF_TRACE_DEBUG("%s auth_req:%d", __func__, auth_req);
pairing_cb.auth_req = auth_req;
pairing_cb.io_cap = io_cap;
}
}
void btif_dm_set_oob_for_io_req(tBTA_OOB_DATA* p_has_oob_data) {
if (is_empty_128bit(oob_cb.oob_data.c192)) {
*p_has_oob_data = false;
} else {
*p_has_oob_data = true;
}
BTIF_TRACE_DEBUG("%s: *p_has_oob_data=%d", __func__, *p_has_oob_data);
}
void btif_dm_set_oob_for_le_io_req(BD_ADDR bd_addr,
tBTA_OOB_DATA* p_has_oob_data,
tBTA_LE_AUTH_REQ* p_auth_req) {
if (!is_empty_128bit(oob_cb.oob_data.le_sc_c) &&
!is_empty_128bit(oob_cb.oob_data.le_sc_r)) {
/* We have LE SC OOB data */
/* make sure OOB data is for this particular device */
if (memcmp(bd_addr, oob_cb.bdaddr, BD_ADDR_LEN) == 0) {
*p_auth_req = ((*p_auth_req) | BTM_LE_AUTH_REQ_SC_ONLY);
*p_has_oob_data = true;
} else {
*p_has_oob_data = false;
BTIF_TRACE_WARNING("%s: remote address didn't match OOB data address",
__func__);
}
} else if (!is_empty_128bit(oob_cb.oob_data.sm_tk)) {
/* We have security manager TK */
/* make sure OOB data is for this particular device */
if (memcmp(bd_addr, oob_cb.bdaddr, BD_ADDR_LEN) == 0) {
// When using OOB with TK, SC Secure Connections bit must be disabled.
tBTA_LE_AUTH_REQ mask = ~BTM_LE_AUTH_REQ_SC_ONLY;
*p_auth_req = ((*p_auth_req) & mask);
*p_has_oob_data = true;
} else {
*p_has_oob_data = false;
BTIF_TRACE_WARNING("%s: remote address didn't match OOB data address",
__func__);
}
} else {
*p_has_oob_data = false;
}
BTIF_TRACE_DEBUG("%s *p_has_oob_data=%d", __func__, *p_has_oob_data);
}
#ifdef BTIF_DM_OOB_TEST
void btif_dm_load_local_oob(void) {
char prop_oob[PROPERTY_VALUE_MAX];
osi_property_get("service.brcm.bt.oob", prop_oob, "3");
BTIF_TRACE_DEBUG("%s: prop_oob = %s", __func__, prop_oob);
if (prop_oob[0] != '3') {
if (is_empty_128bit(oob_cb.oob_data.c192)) {
BTIF_TRACE_DEBUG("%s: read OOB, call BTA_DmLocalOob()", __func__);
BTA_DmLocalOob();
}
}
}
void btif_dm_proc_loc_oob(bool valid, BT_OCTET16 c, BT_OCTET16 r) {
FILE* fp;
const char* path_a = "/data/misc/bluedroid/LOCAL/a.key";
const char* path_b = "/data/misc/bluedroid/LOCAL/b.key";
const char* path = NULL;
char prop_oob[PROPERTY_VALUE_MAX];
BTIF_TRACE_DEBUG("%s: valid=%d", __func__, valid);
if (is_empty_128bit(oob_cb.oob_data.c192) && valid) {
BTIF_TRACE_DEBUG("save local OOB data in memory");
memcpy(oob_cb.oob_data.c192, c, BT_OCTET16_LEN);
memcpy(oob_cb.oob_data.r192, r, BT_OCTET16_LEN);
osi_property_get("service.brcm.bt.oob", prop_oob, "3");
BTIF_TRACE_DEBUG("%s: prop_oob = %s", __func__, prop_oob);
if (prop_oob[0] == '1')
path = path_a;
else if (prop_oob[0] == '2')
path = path_b;
if (path) {
fp = fopen(path, "wb+");
if (fp == NULL) {
BTIF_TRACE_DEBUG("%s: failed to save local OOB data to %s", __func__,
path);
} else {
BTIF_TRACE_DEBUG("%s: save local OOB data into file %s", __func__,
path);
fwrite(c, 1, BT_OCTET16_LEN, fp);
fwrite(r, 1, BT_OCTET16_LEN, fp);
fclose(fp);
}
}
}
}
/*******************************************************************************
*
* Function btif_dm_get_smp_config
*
* Description Retrieve the SMP pairing options from the bt_stack.conf
* file. To provide specific pairing options for the host
* add a node with label "SmpOptions" to the config file
* and assign it a comma separated list of 5 values in the
* format: auth, io, ikey, rkey, ksize, oob
* eg: PTS_SmpOptions=0xD,0x4,0xf,0xf,0x10
*
* Parameters: tBTE_APPL_CFG*: pointer to struct defining pairing options
*
* Returns true if the options were successfully read, else false
*
******************************************************************************/
bool btif_dm_get_smp_config(tBTE_APPL_CFG* p_cfg) {
if (!stack_config_get_interface()->get_pts_smp_options()) {
BTIF_TRACE_DEBUG("%s: SMP options not found in configuration", __func__);
return false;
}
char conf[64];
const char* recv = stack_config_get_interface()->get_pts_smp_options();
char* pch;
char* endptr;
strncpy(conf, recv, 64);
conf[63] = 0; // null terminate
pch = strtok(conf, ",");
if (pch != NULL)
p_cfg->ble_auth_req = (uint8_t)strtoul(pch, &endptr, 16);
else
return false;
pch = strtok(NULL, ",");
if (pch != NULL)
p_cfg->ble_io_cap = (uint8_t)strtoul(pch, &endptr, 16);
else
return false;
pch = strtok(NULL, ",");
if (pch != NULL)
p_cfg->ble_init_key = (uint8_t)strtoul(pch, &endptr, 16);
else
return false;
pch = strtok(NULL, ",");
if (pch != NULL)
p_cfg->ble_resp_key = (uint8_t)strtoul(pch, &endptr, 16);
else
return false;
pch = strtok(NULL, ",");
if (pch != NULL)
p_cfg->ble_max_key_size = (uint8_t)strtoul(pch, &endptr, 16);
else
return false;
return true;
}
bool btif_dm_proc_rmt_oob(BD_ADDR bd_addr, BT_OCTET16 p_c, BT_OCTET16 p_r) {
char t[128];
FILE* fp;
const char* path_a = "/data/misc/bluedroid/LOCAL/a.key";
const char* path_b = "/data/misc/bluedroid/LOCAL/b.key";
const char* path = NULL;
char prop_oob[PROPERTY_VALUE_MAX];
bool result = false;
bt_bdaddr_t bt_bd_addr;
bdcpy(oob_cb.bdaddr, bd_addr);
osi_property_get("service.brcm.bt.oob", prop_oob, "3");
BTIF_TRACE_DEBUG("%s: prop_oob = %s", __func__, prop_oob);
if (prop_oob[0] == '1')
path = path_b;
else if (prop_oob[0] == '2')
path = path_a;
if (path) {
fp = fopen(path, "rb");
if (fp == NULL) {
BTIF_TRACE_DEBUG("%s: failed to read OOB keys from %s", __func__, path);
return false;
} else {
BTIF_TRACE_DEBUG("%s: read OOB data from %s", __func__, path);
fread(p_c, 1, BT_OCTET16_LEN, fp);
fread(p_r, 1, BT_OCTET16_LEN, fp);
fclose(fp);
}
BTIF_TRACE_DEBUG("----%s: true", __func__);
snprintf(t, sizeof(t), "%02x:%02x:%02x:%02x:%02x:%02x", oob_cb.bdaddr[0],
oob_cb.bdaddr[1], oob_cb.bdaddr[2], oob_cb.bdaddr[3],
oob_cb.bdaddr[4], oob_cb.bdaddr[5]);
BTIF_TRACE_DEBUG("----%s: peer_bdaddr = %s", __func__, t);
snprintf(t, sizeof(t),
"%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x "
"%02x %02x %02x",
p_c[0], p_c[1], p_c[2], p_c[3], p_c[4], p_c[5], p_c[6], p_c[7],
p_c[8], p_c[9], p_c[10], p_c[11], p_c[12], p_c[13], p_c[14],
p_c[15]);
BTIF_TRACE_DEBUG("----%s: c = %s", __func__, t);
snprintf(t, sizeof(t),
"%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x "
"%02x %02x %02x",
p_r[0], p_r[1], p_r[2], p_r[3], p_r[4], p_r[5], p_r[6], p_r[7],
p_r[8], p_r[9], p_r[10], p_r[11], p_r[12], p_r[13], p_r[14],
p_r[15]);
BTIF_TRACE_DEBUG("----%s: r = %s", __func__, t);
bdcpy(bt_bd_addr.address, bd_addr);
btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_BOND_STATE_BONDING,
(char*)&bt_bd_addr, sizeof(bt_bdaddr_t), NULL);
result = true;
}
BTIF_TRACE_DEBUG("%s: result=%d", __func__, result);
return result;
}
#endif /* BTIF_DM_OOB_TEST */
static void btif_dm_ble_key_notif_evt(tBTA_DM_SP_KEY_NOTIF* p_ssp_key_notif) {
bt_bdaddr_t bd_addr;
bt_bdname_t bd_name;
uint32_t cod;
int dev_type;
BTIF_TRACE_DEBUG("%s", __func__);
/* Remote name update */
if (!btif_get_device_type(p_ssp_key_notif->bd_addr, &dev_type)) {
dev_type = BT_DEVICE_TYPE_BLE;
}
btif_dm_update_ble_remote_properties(p_ssp_key_notif->bd_addr,
p_ssp_key_notif->bd_name,
(tBT_DEVICE_TYPE)dev_type);
bdcpy(bd_addr.address, p_ssp_key_notif->bd_addr);
memcpy(bd_name.name, p_ssp_key_notif->bd_name, BD_NAME_LEN);
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
pairing_cb.is_ssp = false;
cod = COD_UNCLASSIFIED;
HAL_CBACK(bt_hal_cbacks, ssp_request_cb, &bd_addr, &bd_name, cod,
BT_SSP_VARIANT_PASSKEY_NOTIFICATION, p_ssp_key_notif->passkey);
}
/*******************************************************************************
*
* Function btif_dm_ble_auth_cmpl_evt
*
* Description Executes authentication complete event in btif context
*
* Returns void
*
******************************************************************************/
static void btif_dm_ble_auth_cmpl_evt(tBTA_DM_AUTH_CMPL* p_auth_cmpl) {
/* Save link key, if not temporary */
bt_bdaddr_t bd_addr;
bt_status_t status = BT_STATUS_FAIL;
bt_bond_state_t state = BT_BOND_STATE_NONE;
bdcpy(bd_addr.address, p_auth_cmpl->bd_addr);
/* Clear OOB data */
memset(&oob_cb, 0, sizeof(oob_cb));
if ((p_auth_cmpl->success == true) && (p_auth_cmpl->key_present)) {
/* store keys */
}
if (p_auth_cmpl->success) {
status = BT_STATUS_SUCCESS;
state = BT_BOND_STATE_BONDED;
int addr_type;
bt_bdaddr_t bdaddr;
bdcpy(bdaddr.address, p_auth_cmpl->bd_addr);
if (btif_storage_get_remote_addr_type(&bdaddr, &addr_type) !=
BT_STATUS_SUCCESS)
btif_storage_set_remote_addr_type(&bdaddr, p_auth_cmpl->addr_type);
/* Test for temporary bonding */
if (btm_get_bond_type_dev(p_auth_cmpl->bd_addr) == BOND_TYPE_TEMPORARY) {
BTIF_TRACE_DEBUG("%s: sending BT_BOND_STATE_NONE for Temp pairing",
__func__);
btif_storage_remove_bonded_device(&bdaddr);
state = BT_BOND_STATE_NONE;
} else {
btif_dm_save_ble_bonding_keys();
BTA_GATTC_Refresh(bd_addr.address);
btif_dm_get_remote_services_by_transport(&bd_addr, BTA_GATT_TRANSPORT_LE);
}
} else {
/*Map the HCI fail reason to bt status */
switch (p_auth_cmpl->fail_reason) {
case BTA_DM_AUTH_SMP_PAIR_AUTH_FAIL:
case BTA_DM_AUTH_SMP_CONFIRM_VALUE_FAIL:
case BTA_DM_AUTH_SMP_UNKNOWN_ERR:
case BTA_DM_AUTH_SMP_CONN_TOUT:
btif_dm_remove_ble_bonding_keys();
status = BT_STATUS_AUTH_FAILURE;
break;
case BTA_DM_AUTH_SMP_PAIR_NOT_SUPPORT:
status = BT_STATUS_AUTH_REJECTED;
break;
default:
btif_dm_remove_ble_bonding_keys();
status = BT_STATUS_FAIL;
break;
}
}
bond_state_changed(status, &bd_addr, state);
}
void btif_dm_load_ble_local_keys(void) {
memset(&ble_local_key_cb, 0, sizeof(btif_dm_local_key_cb_t));
if (btif_storage_get_ble_local_key(BTIF_DM_LE_LOCAL_KEY_ER,
(char*)&ble_local_key_cb.er[0],
BT_OCTET16_LEN) == BT_STATUS_SUCCESS) {
ble_local_key_cb.is_er_rcvd = true;
BTIF_TRACE_DEBUG("%s BLE ER key loaded", __func__);
}
if ((btif_storage_get_ble_local_key(BTIF_DM_LE_LOCAL_KEY_IR,
(char*)&ble_local_key_cb.id_keys.ir[0],
BT_OCTET16_LEN) == BT_STATUS_SUCCESS) &&
(btif_storage_get_ble_local_key(BTIF_DM_LE_LOCAL_KEY_IRK,
(char*)&ble_local_key_cb.id_keys.irk[0],
BT_OCTET16_LEN) == BT_STATUS_SUCCESS) &&
(btif_storage_get_ble_local_key(BTIF_DM_LE_LOCAL_KEY_DHK,
(char*)&ble_local_key_cb.id_keys.dhk[0],
BT_OCTET16_LEN) == BT_STATUS_SUCCESS)) {
ble_local_key_cb.is_id_keys_rcvd = true;
BTIF_TRACE_DEBUG("%s BLE ID keys loaded", __func__);
}
}
void btif_dm_get_ble_local_keys(tBTA_DM_BLE_LOCAL_KEY_MASK* p_key_mask,
BT_OCTET16 er,
tBTA_BLE_LOCAL_ID_KEYS* p_id_keys) {
if (ble_local_key_cb.is_er_rcvd) {
memcpy(&er[0], &ble_local_key_cb.er[0], sizeof(BT_OCTET16));
*p_key_mask |= BTA_BLE_LOCAL_KEY_TYPE_ER;
}
if (ble_local_key_cb.is_id_keys_rcvd) {
memcpy(&p_id_keys->ir[0], &ble_local_key_cb.id_keys.ir[0],
sizeof(BT_OCTET16));
memcpy(&p_id_keys->irk[0], &ble_local_key_cb.id_keys.irk[0],
sizeof(BT_OCTET16));
memcpy(&p_id_keys->dhk[0], &ble_local_key_cb.id_keys.dhk[0],
sizeof(BT_OCTET16));
*p_key_mask |= BTA_BLE_LOCAL_KEY_TYPE_ID;
}
BTIF_TRACE_DEBUG("%s *p_key_mask=0x%02x", __func__, *p_key_mask);
}
void btif_dm_save_ble_bonding_keys(void) {
bt_bdaddr_t bd_addr;
BTIF_TRACE_DEBUG("%s", __func__);
bdcpy(bd_addr.address, pairing_cb.bd_addr);
if (pairing_cb.ble.is_penc_key_rcvd) {
btif_storage_add_ble_bonding_key(&bd_addr, (char*)&pairing_cb.ble.penc_key,
BTIF_DM_LE_KEY_PENC,
sizeof(tBTM_LE_PENC_KEYS));
}
if (pairing_cb.ble.is_pid_key_rcvd) {
btif_storage_add_ble_bonding_key(&bd_addr, (char*)&pairing_cb.ble.pid_key,
BTIF_DM_LE_KEY_PID,
sizeof(tBTM_LE_PID_KEYS));
}
if (pairing_cb.ble.is_pcsrk_key_rcvd) {
btif_storage_add_ble_bonding_key(&bd_addr, (char*)&pairing_cb.ble.pcsrk_key,
BTIF_DM_LE_KEY_PCSRK,
sizeof(tBTM_LE_PCSRK_KEYS));
}
if (pairing_cb.ble.is_lenc_key_rcvd) {
btif_storage_add_ble_bonding_key(&bd_addr, (char*)&pairing_cb.ble.lenc_key,
BTIF_DM_LE_KEY_LENC,
sizeof(tBTM_LE_LENC_KEYS));
}
if (pairing_cb.ble.is_lcsrk_key_rcvd) {
btif_storage_add_ble_bonding_key(&bd_addr, (char*)&pairing_cb.ble.lcsrk_key,
BTIF_DM_LE_KEY_LCSRK,
sizeof(tBTM_LE_LCSRK_KEYS));
}
if (pairing_cb.ble.is_lidk_key_rcvd) {
btif_storage_add_ble_bonding_key(&bd_addr, NULL, BTIF_DM_LE_KEY_LID, 0);
}
}
void btif_dm_remove_ble_bonding_keys(void) {
bt_bdaddr_t bd_addr;
BTIF_TRACE_DEBUG("%s", __func__);
bdcpy(bd_addr.address, pairing_cb.bd_addr);
btif_storage_remove_ble_bonding_keys(&bd_addr);
}
/*******************************************************************************
*
* Function btif_dm_ble_sec_req_evt
*
* Description Eprocess security request event in btif context
*
* Returns void
*
******************************************************************************/
void btif_dm_ble_sec_req_evt(tBTA_DM_BLE_SEC_REQ* p_ble_req) {
bt_bdaddr_t bd_addr;
bt_bdname_t bd_name;
uint32_t cod;
int dev_type;
BTIF_TRACE_DEBUG("%s", __func__);
if (pairing_cb.state == BT_BOND_STATE_BONDING) {
BTIF_TRACE_DEBUG("%s Discard security request", __func__);
return;
}
/* Remote name update */
if (!btif_get_device_type(p_ble_req->bd_addr, &dev_type)) {
dev_type = BT_DEVICE_TYPE_BLE;
}
btif_dm_update_ble_remote_properties(p_ble_req->bd_addr, p_ble_req->bd_name,
(tBT_DEVICE_TYPE)dev_type);
bdcpy(bd_addr.address, p_ble_req->bd_addr);
memcpy(bd_name.name, p_ble_req->bd_name, BD_NAME_LEN);
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
pairing_cb.bond_type = BOND_TYPE_PERSISTENT;
pairing_cb.is_le_only = true;
pairing_cb.is_le_nc = false;
pairing_cb.is_ssp = true;
btm_set_bond_type_dev(p_ble_req->bd_addr, pairing_cb.bond_type);
cod = COD_UNCLASSIFIED;
HAL_CBACK(bt_hal_cbacks, ssp_request_cb, &bd_addr, &bd_name, cod,
BT_SSP_VARIANT_CONSENT, 0);
}
/*******************************************************************************
*
* Function btif_dm_ble_passkey_req_evt
*
* Description Executes pin request event in btif context
*
* Returns void
*
******************************************************************************/
static void btif_dm_ble_passkey_req_evt(tBTA_DM_PIN_REQ* p_pin_req) {
bt_bdaddr_t bd_addr;
bt_bdname_t bd_name;
uint32_t cod;
int dev_type;
/* Remote name update */
if (!btif_get_device_type(p_pin_req->bd_addr, &dev_type)) {
dev_type = BT_DEVICE_TYPE_BLE;
}
btif_dm_update_ble_remote_properties(p_pin_req->bd_addr, p_pin_req->bd_name,
(tBT_DEVICE_TYPE)dev_type);
bdcpy(bd_addr.address, p_pin_req->bd_addr);
memcpy(bd_name.name, p_pin_req->bd_name, BD_NAME_LEN);
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
pairing_cb.is_le_only = true;
cod = COD_UNCLASSIFIED;
HAL_CBACK(bt_hal_cbacks, pin_request_cb, &bd_addr, &bd_name, cod, false);
}
static void btif_dm_ble_key_nc_req_evt(tBTA_DM_SP_KEY_NOTIF* p_notif_req) {
/* TODO implement key notification for numeric comparison */
BTIF_TRACE_DEBUG("%s", __func__);
/* Remote name update */
btif_update_remote_properties(p_notif_req->bd_addr, p_notif_req->bd_name,
NULL, BT_DEVICE_TYPE_BLE);
bt_bdaddr_t bd_addr;
bdcpy(bd_addr.address, p_notif_req->bd_addr);
bt_bdname_t bd_name;
memcpy(bd_name.name, p_notif_req->bd_name, BD_NAME_LEN);
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
pairing_cb.is_ssp = false;
pairing_cb.is_le_only = true;
pairing_cb.is_le_nc = true;
HAL_CBACK(bt_hal_cbacks, ssp_request_cb, &bd_addr, &bd_name, COD_UNCLASSIFIED,
BT_SSP_VARIANT_PASSKEY_CONFIRMATION, p_notif_req->passkey);
}
static void btif_dm_ble_oob_req_evt(tBTA_DM_SP_RMT_OOB* req_oob_type) {
BTIF_TRACE_DEBUG("%s", __func__);
bt_bdaddr_t bd_addr;
bdcpy(bd_addr.address, req_oob_type->bd_addr);
/* We already checked if OOB data is present in
* btif_dm_set_oob_for_le_io_req, but check here again. If it's not present
* do nothing, pairing will timeout.
*/
if (is_empty_128bit(oob_cb.oob_data.sm_tk)) {
return;
}
/* make sure OOB data is for this particular device */
if (memcmp(req_oob_type->bd_addr, oob_cb.bdaddr, BD_ADDR_LEN) != 0) {
BTIF_TRACE_WARNING("%s: remote address didn't match OOB data address",
__func__);
return;
}
/* Remote name update */
btif_update_remote_properties(req_oob_type->bd_addr, req_oob_type->bd_name,
NULL, BT_DEVICE_TYPE_BLE);
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
pairing_cb.is_ssp = false;
pairing_cb.is_le_only = true;
pairing_cb.is_le_nc = false;
BTM_BleOobDataReply(req_oob_type->bd_addr, 0, 16, oob_cb.oob_data.sm_tk);
}
static void btif_dm_ble_sc_oob_req_evt(tBTA_DM_SP_RMT_OOB* req_oob_type) {
BTIF_TRACE_DEBUG("%s", __func__);
bt_bdaddr_t bd_addr;
bdcpy(bd_addr.address, req_oob_type->bd_addr);
/* We already checked if OOB data is present in
* btif_dm_set_oob_for_le_io_req, but check here again. If it's not present
* do nothing, pairing will timeout.
*/
if (is_empty_128bit(oob_cb.oob_data.le_sc_c) &&
is_empty_128bit(oob_cb.oob_data.le_sc_r)) {
BTIF_TRACE_WARNING("%s: LE SC OOB data is empty", __func__);
return;
}
/* make sure OOB data is for this particular device */
if (memcmp(req_oob_type->bd_addr, oob_cb.bdaddr, BD_ADDR_LEN) != 0) {
BTIF_TRACE_WARNING("%s: remote address didn't match OOB data address",
__func__);
return;
}
/* Remote name update */
btif_update_remote_properties(req_oob_type->bd_addr, req_oob_type->bd_name,
NULL, BT_DEVICE_TYPE_BLE);
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
pairing_cb.is_ssp = false;
pairing_cb.is_le_only =
true; // TODO: we can derive classic pairing from this one
pairing_cb.is_le_nc = false;
BTM_BleSecureConnectionOobDataReply(
req_oob_type->bd_addr, oob_cb.oob_data.le_sc_c, oob_cb.oob_data.le_sc_r);
}
void btif_dm_update_ble_remote_properties(BD_ADDR bd_addr, BD_NAME bd_name,
tBT_DEVICE_TYPE dev_type) {
btif_update_remote_properties(bd_addr, bd_name, NULL, dev_type);
}
static void btif_dm_ble_tx_test_cback(void* p) {
btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_LE_TX_TEST, (char*)p, 1,
NULL);
}
static void btif_dm_ble_rx_test_cback(void* p) {
btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_LE_RX_TEST, (char*)p, 1,
NULL);
}
static void btif_dm_ble_test_end_cback(void* p) {
btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_LE_TEST_END, (char*)p,
3, NULL);
}
/*******************************************************************************
*
* Function btif_le_test_mode
*
* Description Sends a HCI BLE Test command to the Controller
*
* Returns BT_STATUS_SUCCESS on success
*
******************************************************************************/
bt_status_t btif_le_test_mode(uint16_t opcode, uint8_t* buf, uint8_t len) {
switch (opcode) {
case HCI_BLE_TRANSMITTER_TEST:
if (len != 3) return BT_STATUS_PARM_INVALID;
BTM_BleTransmitterTest(buf[0], buf[1], buf[2], btif_dm_ble_tx_test_cback);
break;
case HCI_BLE_RECEIVER_TEST:
if (len != 1) return BT_STATUS_PARM_INVALID;
BTM_BleReceiverTest(buf[0], btif_dm_ble_rx_test_cback);
break;
case HCI_BLE_TEST_END:
BTM_BleTestEnd((tBTM_CMPL_CB*)btif_dm_ble_test_end_cback);
break;
default:
BTIF_TRACE_ERROR("%s: Unknown LE Test Mode Command 0x%x", __func__,
opcode);
return BT_STATUS_UNSUPPORTED;
}
return BT_STATUS_SUCCESS;
}
void btif_dm_on_disable() {
/* cancel any pending pairing requests */
if (pairing_cb.state == BT_BOND_STATE_BONDING) {
bt_bdaddr_t bd_addr;
BTIF_TRACE_DEBUG("%s: Cancel pending pairing request", __func__);
bdcpy(bd_addr.address, pairing_cb.bd_addr);
btif_dm_cancel_bond(&bd_addr);
}
}
/*******************************************************************************
*
* Function btif_dm_read_energy_info
*
* Description Reads the energy info from controller
*
* Returns void
*
******************************************************************************/
void btif_dm_read_energy_info() { BTA_DmBleGetEnergyInfo(bta_energy_info_cb); }
static char* btif_get_default_local_name() {
if (btif_default_local_name[0] == '\0') {
int max_len = sizeof(btif_default_local_name) - 1;
if (BTM_DEF_LOCAL_NAME[0] != '\0') {
strncpy(btif_default_local_name, BTM_DEF_LOCAL_NAME, max_len);
} else {
char prop_model[PROPERTY_VALUE_MAX];
osi_property_get(PROPERTY_PRODUCT_MODEL, prop_model, "");
strncpy(btif_default_local_name, prop_model, max_len);
}
btif_default_local_name[max_len] = '\0';
}
return btif_default_local_name;
}
static void btif_stats_add_bond_event(const bt_bdaddr_t* bd_addr,
bt_bond_function_t function,
bt_bond_state_t state) {
std::unique_lock<std::mutex> lock(bond_event_lock);
btif_bond_event_t* event = &btif_dm_bond_events[btif_events_end_index];
memcpy(&event->bd_addr, bd_addr, sizeof(bt_bdaddr_t));
event->function = function;
event->state = state;
clock_gettime(CLOCK_REALTIME, &event->timestamp);
btif_num_bond_events++;
btif_events_end_index =
(btif_events_end_index + 1) % (MAX_BTIF_BOND_EVENT_ENTRIES + 1);
if (btif_events_end_index == btif_events_start_index) {
btif_events_start_index =
(btif_events_start_index + 1) % (MAX_BTIF_BOND_EVENT_ENTRIES + 1);
}
int type;
btif_get_device_type(bd_addr->address, &type);
system_bt_osi::device_type_t device_type;
switch (type) {
case BT_DEVICE_TYPE_BREDR:
device_type = system_bt_osi::DEVICE_TYPE_BREDR;
break;
case BT_DEVICE_TYPE_BLE:
device_type = system_bt_osi::DEVICE_TYPE_LE;
break;
case BT_DEVICE_TYPE_DUMO:
device_type = system_bt_osi::DEVICE_TYPE_DUMO;
break;
default:
device_type = system_bt_osi::DEVICE_TYPE_UNKNOWN;
break;
}
uint32_t cod = get_cod(bd_addr);
uint64_t ts =
event->timestamp.tv_sec * 1000 + event->timestamp.tv_nsec / 1000000;
system_bt_osi::BluetoothMetricsLogger::GetInstance()->LogPairEvent(
0, ts, cod, device_type);
}
void btif_debug_bond_event_dump(int fd) {
std::unique_lock<std::mutex> lock(bond_event_lock);
dprintf(fd, "\nBond Events: \n");
dprintf(fd, " Total Number of events: %zu\n", btif_num_bond_events);
if (btif_num_bond_events > 0)
dprintf(fd,
" Time BD_ADDR Function State\n");
for (size_t i = btif_events_start_index; i != btif_events_end_index;
i = (i + 1) % (MAX_BTIF_BOND_EVENT_ENTRIES + 1)) {
btif_bond_event_t* event = &btif_dm_bond_events[i];
char eventtime[20];
char temptime[20];
struct tm* tstamp = localtime(&event->timestamp.tv_sec);
strftime(temptime, sizeof(temptime), "%H:%M:%S", tstamp);
snprintf(eventtime, sizeof(eventtime), "%s.%03ld", temptime,
event->timestamp.tv_nsec / 1000000);
char bdaddr[18];
bdaddr_to_string(&event->bd_addr, bdaddr, sizeof(bdaddr));
const char* func_name;
switch (event->function) {
case BTIF_DM_FUNC_CREATE_BOND:
func_name = "btif_dm_create_bond";
break;
case BTIF_DM_FUNC_REMOVE_BOND:
func_name = "btif_dm_remove_bond";
break;
case BTIF_DM_FUNC_BOND_STATE_CHANGED:
func_name = "bond_state_changed ";
break;
default:
func_name = "Invalid value ";
break;
}
const char* bond_state;
switch (event->state) {
case BT_BOND_STATE_NONE:
bond_state = "BOND_STATE_NONE";
break;
case BT_BOND_STATE_BONDING:
bond_state = "BOND_STATE_BONDING";
break;
case BT_BOND_STATE_BONDED:
bond_state = "BOND_STATE_BONDED";
break;
default:
bond_state = "Invalid bond state";
break;
}
dprintf(fd, " %s %s %s %s\n", eventtime, bdaddr, func_name, bond_state);
}
}