/******************************************************************************
*
* Copyright (c) 2014 The Android Open Source Project
* Copyright 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_storage.c
*
* Description: Stores the local BT adapter and remote device properties in
* NVRAM storage, typically as xml file in the
* mobile's filesystem
*
*
*/
#define LOG_TAG "bt_btif_storage"
#include "btif_storage.h"
#include <alloca.h>
#include <bluetooth/log.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unordered_set>
#include <vector>
#include "btif/include/stack_manager_t.h"
#include "btif_api.h"
#include "btif_config.h"
#include "btif_storage.h"
#include "btif_util.h"
#include "common/init_flags.h"
#include "core_callbacks.h"
#include "hci/controller_interface.h"
#include "internal_include/bt_target.h"
#include "main/shim/entry.h"
#include "main/shim/helpers.h"
#include "osi/include/allocator.h"
#include "stack/include/bt_octets.h"
#include "stack/include/bt_uuid16.h"
#include "storage/config_keys.h"
#include "types/bluetooth/uuid.h"
#include "types/raw_address.h"
/* This is a local property to add a device found */
#define BT_PROPERTY_REMOTE_DEVICE_TIMESTAMP 0xFF
using base::Bind;
using bluetooth::Uuid;
using namespace bluetooth;
/*******************************************************************************
* Constants & Macros
******************************************************************************/
struct BtifStorageKey {
uint8_t type;
const std::string& name;
uint8_t size;
};
static const BtifStorageKey BTIF_STORAGE_LE_KEYS[] = {
{BTM_LE_KEY_PENC, BTIF_STORAGE_KEY_LE_KEY_PENC, sizeof(tBTM_LE_PENC_KEYS)},
{BTM_LE_KEY_PID, BTIF_STORAGE_KEY_LE_KEY_PID, sizeof(tBTM_LE_PID_KEYS)},
{BTM_LE_KEY_PCSRK, BTIF_STORAGE_KEY_LE_KEY_PCSRK,
sizeof(tBTM_LE_PCSRK_KEYS)},
{BTM_LE_KEY_LENC, BTIF_STORAGE_KEY_LE_KEY_LENC, sizeof(tBTM_LE_LENC_KEYS)},
{BTM_LE_KEY_LCSRK, BTIF_STORAGE_KEY_LE_KEY_LCSRK,
sizeof(tBTM_LE_LCSRK_KEYS)},
{BTM_LE_KEY_LID, BTIF_STORAGE_KEY_LE_KEY_LID, sizeof(tBTM_LE_PID_KEYS)},
};
static const BtifStorageKey BTIF_STORAGE_LOCAL_LE_KEYS[] = {
{BTIF_DM_LE_LOCAL_KEY_IR, BTIF_STORAGE_KEY_LE_LOCAL_KEY_IR,
sizeof(Octet16)},
{BTIF_DM_LE_LOCAL_KEY_IRK, BTIF_STORAGE_KEY_LE_LOCAL_KEY_IRK,
sizeof(Octet16)},
{BTIF_DM_LE_LOCAL_KEY_DHK, BTIF_STORAGE_KEY_LE_LOCAL_KEY_DHK,
sizeof(Octet16)},
{BTIF_DM_LE_LOCAL_KEY_ER, BTIF_STORAGE_KEY_LE_LOCAL_KEY_ER,
sizeof(Octet16)},
};
/*******************************************************************************
* External functions
******************************************************************************/
void btif_gatts_add_bonded_dev_from_nv(const RawAddress& bda);
/*******************************************************************************
* Internal Functions
******************************************************************************/
static bool btif_has_ble_keys(const std::string& bdstr);
/*******************************************************************************
* Static functions
******************************************************************************/
static void btif_storage_set_mode(RawAddress* remote_bd_addr) {
std::string bdstr = remote_bd_addr->ToString();
if (GetInterfaceToProfiles()->config->isRestrictedMode()) {
log::info("{} will be removed exiting restricted mode", *remote_bd_addr);
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_RESTRICTED, 1);
}
}
static bool prop2cfg(const RawAddress* remote_bd_addr, bt_property_t* prop) {
std::string bdstr;
if (remote_bd_addr) {
bdstr = remote_bd_addr->ToString();
}
char value[1024];
if (prop->len <= 0 || prop->len > (int)sizeof(value) - 1) {
log::warn(
"Unable to save property to configuration file type:{}, len:{} is "
"invalid",
prop->type, prop->len);
return false;
}
switch (prop->type) {
case BT_PROPERTY_REMOTE_DEVICE_TIMESTAMP:
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_TIMESTAMP, (int)time(NULL));
break;
case BT_PROPERTY_BDNAME: {
int name_length = prop->len > BD_NAME_LEN ? BD_NAME_LEN : prop->len;
strncpy(value, (char*)prop->val, name_length);
value[name_length] = '\0';
if (remote_bd_addr) {
btif_config_set_str(bdstr, BTIF_STORAGE_KEY_NAME, value);
} else {
btif_config_set_str(BTIF_STORAGE_SECTION_ADAPTER, BTIF_STORAGE_KEY_NAME,
value);
}
break;
}
case BT_PROPERTY_REMOTE_FRIENDLY_NAME:
strncpy(value, (char*)prop->val, prop->len);
value[prop->len] = '\0';
btif_config_set_str(bdstr, BTIF_STORAGE_KEY_ALIAS, value);
break;
case BT_PROPERTY_ADAPTER_SCAN_MODE:
btif_config_set_int(BTIF_STORAGE_SECTION_ADAPTER,
BTIF_STORAGE_KEY_SCANMODE, *(int*)prop->val);
break;
case BT_PROPERTY_ADAPTER_DISCOVERABLE_TIMEOUT:
btif_config_set_int(BTIF_STORAGE_SECTION_ADAPTER,
BTIF_STORAGE_KEY_DISC_TIMEOUT, *(int*)prop->val);
break;
case BT_PROPERTY_CLASS_OF_DEVICE:
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_DEV_CLASS, *(int*)prop->val);
break;
case BT_PROPERTY_TYPE_OF_DEVICE:
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_DEV_TYPE, *(int*)prop->val);
break;
case BT_PROPERTY_UUIDS: {
std::string val;
size_t cnt = (prop->len) / sizeof(Uuid);
for (size_t i = 0; i < cnt; i++) {
val += (reinterpret_cast<Uuid*>(prop->val) + i)->ToString() + " ";
}
btif_config_set_str(bdstr, BTIF_STORAGE_KEY_REMOTE_SERVICE, val);
break;
}
case BT_PROPERTY_REMOTE_VERSION_INFO: {
bt_remote_version_t* info = (bt_remote_version_t*)prop->val;
if (!info) return false;
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_REMOTE_VER_MFCT,
info->manufacturer);
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_REMOTE_VER_VER,
info->version);
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_REMOTE_VER_SUBVER,
info->sub_ver);
} break;
case BT_PROPERTY_APPEARANCE: {
int val = *(uint16_t*)prop->val;
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_APPEARANCE, val);
} break;
case BT_PROPERTY_VENDOR_PRODUCT_INFO: {
bt_vendor_product_info_t* info = (bt_vendor_product_info_t*)prop->val;
if (!info) return false;
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_VENDOR_ID_SOURCE,
info->vendor_id_src);
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_VENDOR_ID, info->vendor_id);
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_PRODUCT_ID, info->product_id);
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_VERSION, info->version);
} break;
case BT_PROPERTY_REMOTE_MODEL_NUM: {
strncpy(value, (char*)prop->val, prop->len);
value[prop->len] = '\0';
btif_config_set_str(bdstr, BTIF_STORAGE_KEY_DIS_MODEL_NUM, value);
} break;
case BT_PROPERTY_REMOTE_SECURE_CONNECTIONS_SUPPORTED:
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_SECURE_CONNECTIONS_SUPPORTED,
*(uint8_t*)prop->val);
break;
case BT_PROPERTY_REMOTE_MAX_SESSION_KEY_SIZE:
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_MAX_SESSION_KEY_SIZE,
*(uint8_t*)prop->val);
break;
default:
log::error("Unknown prop type:{}", prop->type);
return false;
}
return true;
}
static bool cfg2prop(const RawAddress* remote_bd_addr, bt_property_t* prop) {
std::string bdstr;
if (remote_bd_addr) {
bdstr = remote_bd_addr->ToString();
}
if (prop->len <= 0) {
log::warn("Invalid property read from configuration file type:{}, len:{}",
prop->type, prop->len);
return false;
}
bool ret = false;
switch (prop->type) {
case BT_PROPERTY_REMOTE_DEVICE_TIMESTAMP:
if (prop->len >= (int)sizeof(int))
ret = btif_config_get_int(bdstr, BTIF_STORAGE_KEY_TIMESTAMP,
(int*)prop->val);
break;
case BT_PROPERTY_BDNAME: {
int len = prop->len;
if (remote_bd_addr)
ret = btif_config_get_str(bdstr, BTIF_STORAGE_KEY_NAME,
(char*)prop->val, &len);
else
ret =
btif_config_get_str(BTIF_STORAGE_SECTION_ADAPTER,
BTIF_STORAGE_KEY_NAME, (char*)prop->val, &len);
if (ret && len && len <= prop->len)
prop->len = len - 1;
else {
prop->len = 0;
ret = false;
}
break;
}
case BT_PROPERTY_REMOTE_FRIENDLY_NAME: {
int len = prop->len;
ret = btif_config_get_str(bdstr, BTIF_STORAGE_KEY_ALIAS, (char*)prop->val,
&len);
if (ret && len && len <= prop->len)
prop->len = len - 1;
else {
prop->len = 0;
ret = false;
}
break;
}
case BT_PROPERTY_ADAPTER_SCAN_MODE:
if (prop->len >= (int)sizeof(int))
ret = btif_config_get_int(BTIF_STORAGE_SECTION_ADAPTER,
BTIF_STORAGE_KEY_SCANMODE, (int*)prop->val);
break;
case BT_PROPERTY_ADAPTER_DISCOVERABLE_TIMEOUT:
if (prop->len >= (int)sizeof(int))
ret =
btif_config_get_int(BTIF_STORAGE_SECTION_ADAPTER,
BTIF_STORAGE_KEY_DISC_TIMEOUT, (int*)prop->val);
break;
case BT_PROPERTY_CLASS_OF_DEVICE:
if (prop->len >= (int)sizeof(int))
ret = btif_config_get_int(bdstr, BTIF_STORAGE_KEY_DEV_CLASS,
(int*)prop->val);
break;
case BT_PROPERTY_TYPE_OF_DEVICE:
if (prop->len >= (int)sizeof(int))
ret = btif_config_get_int(bdstr, BTIF_STORAGE_KEY_DEV_TYPE,
(int*)prop->val);
break;
case BT_PROPERTY_UUIDS: {
char value[1280];
int size = sizeof(value);
if (btif_config_get_str(bdstr, BTIF_STORAGE_KEY_REMOTE_SERVICE, value,
&size)) {
Uuid* p_uuid = reinterpret_cast<Uuid*>(prop->val);
size_t num_uuids =
btif_split_uuids_string(value, p_uuid, BT_MAX_NUM_UUIDS);
prop->len = num_uuids * sizeof(Uuid);
ret = true;
} else {
prop->val = NULL;
prop->len = 0;
}
} break;
case BT_PROPERTY_REMOTE_VERSION_INFO: {
bt_remote_version_t* info = (bt_remote_version_t*)prop->val;
if (prop->len >= (int)sizeof(bt_remote_version_t)) {
ret = btif_config_get_int(bdstr, BTIF_STORAGE_KEY_REMOTE_VER_MFCT,
&info->manufacturer);
if (ret)
ret = btif_config_get_int(bdstr, BTIF_STORAGE_KEY_REMOTE_VER_VER,
&info->version);
if (ret)
ret = btif_config_get_int(bdstr, BTIF_STORAGE_KEY_REMOTE_VER_SUBVER,
&info->sub_ver);
}
} break;
case BT_PROPERTY_APPEARANCE: {
int val;
if (prop->len >= (int)sizeof(uint16_t)) {
ret = btif_config_get_int(bdstr, BTIF_STORAGE_KEY_APPEARANCE, &val);
*(uint16_t*)prop->val = (uint16_t)val;
}
} break;
case BT_PROPERTY_VENDOR_PRODUCT_INFO: {
bt_vendor_product_info_t* info = (bt_vendor_product_info_t*)prop->val;
int val;
if (prop->len >= (int)sizeof(bt_vendor_product_info_t)) {
ret =
btif_config_get_int(bdstr, BTIF_STORAGE_KEY_VENDOR_ID_SOURCE, &val);
info->vendor_id_src = (uint8_t)val;
if (ret) {
ret = btif_config_get_int(bdstr, BTIF_STORAGE_KEY_VENDOR_ID, &val);
info->vendor_id = (uint16_t)val;
}
if (ret) {
ret = btif_config_get_int(bdstr, BTIF_STORAGE_KEY_PRODUCT_ID, &val);
info->product_id = (uint16_t)val;
}
if (ret) {
ret = btif_config_get_int(bdstr, BTIF_STORAGE_KEY_VERSION, &val);
info->version = (uint16_t)val;
}
}
} break;
case BT_PROPERTY_REMOTE_MODEL_NUM: {
int len = prop->len;
ret = btif_config_get_str(bdstr, BTIF_STORAGE_KEY_DIS_MODEL_NUM,
(char*)prop->val, &len);
if (ret && len && len <= prop->len)
prop->len = len - 1;
else {
prop->len = 0;
ret = false;
}
} break;
case BT_PROPERTY_REMOTE_ADDR_TYPE: {
int val;
if (prop->len >= (int)sizeof(uint8_t)) {
ret = btif_config_get_int(bdstr, BTIF_STORAGE_KEY_ADDR_TYPE, &val);
*(uint8_t*)prop->val = (uint8_t)val;
}
} break;
case BT_PROPERTY_REMOTE_SECURE_CONNECTIONS_SUPPORTED: {
int val;
if (prop->len >= (int)sizeof(uint8_t)) {
ret = btif_config_get_int(
bdstr, BTIF_STORAGE_KEY_SECURE_CONNECTIONS_SUPPORTED, &val);
*(uint8_t*)prop->val = (uint8_t)val;
}
} break;
case BT_PROPERTY_REMOTE_MAX_SESSION_KEY_SIZE: {
int val;
if (prop->len >= (int)sizeof(uint8_t)) {
ret = btif_config_get_int(bdstr, BTIF_STORAGE_KEY_MAX_SESSION_KEY_SIZE,
&val);
*(uint8_t*)prop->val = (uint8_t)val;
}
} break;
default:
log::error("Unknown prop type:{}", prop->type);
return false;
}
return ret;
}
/*******************************************************************************
*
* Function btif_in_fetch_bonded_devices
*
* Description Helper function to fetch the bonded devices
* from NVRAM
*
* Returns BT_STATUS_SUCCESS if successful, BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_in_fetch_bonded_device(const std::string& bdstr) {
bool bt_linkkey_file_found = false;
LinkKey link_key;
size_t size = link_key.size();
if (btif_config_get_bin(bdstr, BTIF_STORAGE_KEY_LINK_KEY, link_key.data(),
&size)) {
int linkkey_type;
if (btif_config_get_int(bdstr, BTIF_STORAGE_KEY_LINK_KEY_TYPE,
&linkkey_type)) {
bt_linkkey_file_found = true;
} else {
bt_linkkey_file_found = false;
}
}
if ((btif_in_fetch_bonded_ble_device(bdstr, false, NULL) !=
BT_STATUS_SUCCESS) &&
(!bt_linkkey_file_found)) {
return BT_STATUS_DEVICE_NOT_FOUND;
}
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_in_fetch_bonded_devices
*
* Description Internal helper function to fetch the bonded devices
* from NVRAM
*
* Returns BT_STATUS_SUCCESS if successful, BT_STATUS_FAIL otherwise
*
******************************************************************************/
static bt_status_t btif_in_fetch_bonded_devices(
btif_bonded_devices_t* p_bonded_devices, int add) {
memset(p_bonded_devices, 0, sizeof(btif_bonded_devices_t));
bool bt_linkkey_file_found = false;
int device_type;
for (const auto& bd_addr : btif_config_get_paired_devices()) {
auto name = bd_addr.ToString();
log::verbose("Remote device:{}", bd_addr);
LinkKey link_key;
size_t size = sizeof(link_key);
if (btif_config_get_bin(name, BTIF_STORAGE_KEY_LINK_KEY, link_key.data(),
&size)) {
int linkkey_type;
if (btif_config_get_int(name, BTIF_STORAGE_KEY_LINK_KEY_TYPE,
&linkkey_type)) {
if (add) {
DEV_CLASS dev_class = {0, 0, 0};
int cod;
int pin_length = 0;
if (btif_config_get_int(name, BTIF_STORAGE_KEY_DEV_CLASS, &cod))
dev_class = uint2devclass((uint32_t)cod);
btif_config_get_int(name, BTIF_STORAGE_KEY_PIN_LENGTH, &pin_length);
BTA_DmAddDevice(bd_addr, dev_class, link_key, (uint8_t)linkkey_type,
pin_length);
if (btif_config_get_int(name, BTIF_STORAGE_KEY_DEV_TYPE,
&device_type) &&
(device_type == BT_DEVICE_TYPE_DUMO)) {
btif_gatts_add_bonded_dev_from_nv(bd_addr);
}
}
bt_linkkey_file_found = true;
if (p_bonded_devices->num_devices < BTM_SEC_MAX_DEVICE_RECORDS) {
p_bonded_devices->devices[p_bonded_devices->num_devices++] = bd_addr;
} else {
log::warn("Exceed the max number of bonded devices");
}
} else {
bt_linkkey_file_found = false;
}
}
if (!btif_in_fetch_bonded_ble_device(name, add, p_bonded_devices) &&
!bt_linkkey_file_found) {
log::verbose("No link key or ble key found for device:{}", bd_addr);
}
}
return BT_STATUS_SUCCESS;
}
static void btif_read_le_key(const uint8_t key_type, const size_t key_len,
RawAddress bd_addr, const tBLE_ADDR_TYPE addr_type,
const bool add_key, bool* device_added,
bool* key_found) {
log::assert_that(device_added != nullptr,
"assert failed: device_added != nullptr");
log::assert_that(key_found != nullptr, "assert failed: key_found != nullptr");
tBTA_LE_KEY_VALUE key;
memset(&key, 0, sizeof(key));
if (btif_storage_get_ble_bonding_key(bd_addr, key_type, (uint8_t*)&key,
key_len) == BT_STATUS_SUCCESS) {
if (add_key) {
if (!*device_added) {
BTA_DmAddBleDevice(bd_addr, addr_type, BT_DEVICE_TYPE_BLE);
*device_added = true;
}
log::verbose("Adding key type {} for {}", key_type, bd_addr);
BTA_DmAddBleKey(bd_addr, &key, key_type);
}
*key_found = true;
}
}
/*******************************************************************************
* Functions
*
* Functions are synchronous and can be called by both from internal modules
* such as BTIF_DM and by external entiries from HAL via BTIF_context_switch.
* For OUT parameters, the caller is expected to provide the memory.
* Caller is expected to provide a valid pointer to 'property->value' based on
* the property->type.
******************************************************************************/
/*******************************************************************************
*
* Function btif_split_uuids_string
*
* Description Internal helper function to split the string of UUIDs
* read from the NVRAM to an array
*
* Returns Number of UUIDs parsed from the supplied string
*
******************************************************************************/
size_t btif_split_uuids_string(const char* str, bluetooth::Uuid* p_uuid,
size_t max_uuids) {
log::assert_that(str != nullptr, "assert failed: str != nullptr");
log::assert_that(p_uuid != nullptr, "assert failed: p_uuid != nullptr");
size_t num_uuids = 0;
while (str && num_uuids < max_uuids) {
bool is_valid;
bluetooth::Uuid tmp =
Uuid::FromString(std::string(str, Uuid::kString128BitLen), &is_valid);
if (!is_valid) break;
*p_uuid = tmp;
p_uuid++;
num_uuids++;
str = strchr(str, ' ');
if (str) str++;
}
return num_uuids;
}
/** Helper function for fetching a bt_property of the adapter. */
bt_status_t btif_storage_get_adapter_prop(bt_property_type_t type, void* buf,
int size, bt_property_t* property) {
property->type = type;
property->val = buf;
property->len = size;
return btif_storage_get_adapter_property(property);
}
/*******************************************************************************
*
* Function btif_storage_get_adapter_property
*
* Description BTIF storage API - Fetches the adapter property->type
* from NVRAM and fills property->val.
* Caller should provide memory for property->val and
* set the property->val
*
* Returns BT_STATUS_SUCCESS if the fetch was successful,
* BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_storage_get_adapter_property(bt_property_t* property) {
/* Special handling for adapter address and BONDED_DEVICES */
if (property->type == BT_PROPERTY_BDADDR) {
RawAddress* bd_addr = (RawAddress*)property->val;
/* Fetch the local BD ADDR */
if (bluetooth::shim::GetController() == nullptr) {
log::error("Controller not ready! Unable to return Bluetooth Address");
*bd_addr = RawAddress::kEmpty;
return BT_STATUS_NOT_READY;
} else {
log::info("Controller ready!");
*bd_addr = bluetooth::ToRawAddress(
bluetooth::shim::GetController()->GetMacAddress());
}
property->len = RawAddress::kLength;
return BT_STATUS_SUCCESS;
} else if (property->type == BT_PROPERTY_ADAPTER_BONDED_DEVICES) {
btif_bonded_devices_t bonded_devices;
btif_in_fetch_bonded_devices(&bonded_devices, 0);
log::verbose(
"BT_PROPERTY_ADAPTER_BONDED_DEVICES: Number of bonded devices={}",
bonded_devices.num_devices);
property->len = bonded_devices.num_devices * RawAddress::kLength;
memcpy(property->val, bonded_devices.devices, property->len);
/* if there are no bonded_devices, then length shall be 0 */
return BT_STATUS_SUCCESS;
} else if (property->type == BT_PROPERTY_UUIDS) {
/* publish list of local supported services */
Uuid* p_uuid = reinterpret_cast<Uuid*>(property->val);
uint32_t num_uuids = 0;
uint32_t i;
tBTA_SERVICE_MASK service_mask = btif_get_enabled_services_mask();
log::info("Service_mask=0x{:x}", service_mask);
for (i = 0; i < BTA_MAX_SERVICE_ID; i++) {
/* This should eventually become a function when more services are enabled
*/
if (service_mask & (tBTA_SERVICE_MASK)(1 << i)) {
switch (i) {
case BTA_HFP_SERVICE_ID: {
*(p_uuid + num_uuids) =
Uuid::From16Bit(UUID_SERVCLASS_AG_HANDSFREE);
num_uuids++;
}
FALLTHROUGH_INTENDED; /* FALLTHROUGH */
/* intentional fall through: Send both BFP & HSP UUIDs if HFP is
* enabled */
case BTA_HSP_SERVICE_ID: {
*(p_uuid + num_uuids) =
Uuid::From16Bit(UUID_SERVCLASS_HEADSET_AUDIO_GATEWAY);
num_uuids++;
} break;
case BTA_A2DP_SOURCE_SERVICE_ID: {
*(p_uuid + num_uuids) =
Uuid::From16Bit(UUID_SERVCLASS_AUDIO_SOURCE);
num_uuids++;
} break;
case BTA_A2DP_SINK_SERVICE_ID: {
*(p_uuid + num_uuids) = Uuid::From16Bit(UUID_SERVCLASS_AUDIO_SINK);
num_uuids++;
} break;
case BTA_PBAP_SERVICE_ID: {
*(p_uuid + num_uuids) = Uuid::From16Bit(UUID_SERVCLASS_PBAP_PSE);
num_uuids++;
} break;
case BTA_HFP_HS_SERVICE_ID: {
*(p_uuid + num_uuids) =
Uuid::From16Bit(UUID_SERVCLASS_HF_HANDSFREE);
num_uuids++;
} break;
case BTA_MAP_SERVICE_ID: {
*(p_uuid + num_uuids) =
Uuid::From16Bit(UUID_SERVCLASS_MESSAGE_ACCESS);
num_uuids++;
} break;
case BTA_MN_SERVICE_ID: {
*(p_uuid + num_uuids) =
Uuid::From16Bit(UUID_SERVCLASS_MESSAGE_NOTIFICATION);
num_uuids++;
} break;
case BTA_PCE_SERVICE_ID: {
*(p_uuid + num_uuids) = Uuid::From16Bit(UUID_SERVCLASS_PBAP_PCE);
num_uuids++;
} break;
}
}
}
property->len = (num_uuids) * sizeof(Uuid);
return BT_STATUS_SUCCESS;
}
/* fall through for other properties */
if (!cfg2prop(NULL, property)) {
return btif_dm_get_adapter_property(property);
}
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_storage_set_adapter_property
*
* Description BTIF storage API - Stores the adapter property
* to NVRAM
*
* Returns BT_STATUS_SUCCESS if the store was successful,
* BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_storage_set_adapter_property(bt_property_t* property) {
return prop2cfg(NULL, property) ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
}
/** Helper function for fetching a bt_property of a remote device. */
bt_status_t btif_storage_get_remote_prop(RawAddress* remote_addr,
bt_property_type_t type, void* buf,
int size, bt_property_t* property) {
property->type = type;
property->val = buf;
property->len = size;
return btif_storage_get_remote_device_property(remote_addr, property);
}
/*******************************************************************************
*
* Function btif_storage_get_remote_device_property
*
* Description BTIF storage API - Fetches the remote device property->type
* from NVRAM and fills property->val.
* Caller should provide memory for property->val and
* set the property->val
*
* Returns BT_STATUS_SUCCESS if the fetch was successful,
* BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_storage_get_remote_device_property(
const RawAddress* remote_bd_addr, bt_property_t* property) {
return cfg2prop(remote_bd_addr, property) ? BT_STATUS_SUCCESS
: BT_STATUS_FAIL;
}
/*******************************************************************************
*
* Function btif_storage_set_remote_device_property
*
* Description BTIF storage API - Stores the remote device property
* to NVRAM
*
* Returns BT_STATUS_SUCCESS if the store was successful,
* BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_storage_set_remote_device_property(
const RawAddress* remote_bd_addr, bt_property_t* property) {
return prop2cfg(remote_bd_addr, property) ? BT_STATUS_SUCCESS
: BT_STATUS_FAIL;
}
/*******************************************************************************
*
* Function btif_storage_add_remote_device
*
* Description BTIF storage API - Adds a newly discovered device to NVRAM
* along with the timestamp. Also, stores the various
* properties - RSSI, BDADDR, NAME (if found in EIR)
*
* Returns BT_STATUS_SUCCESS if the store was successful,
* BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_storage_add_remote_device(const RawAddress* remote_bd_addr,
uint32_t num_properties,
bt_property_t* properties) {
uint32_t i = 0;
/* TODO: If writing a property, fails do we go back undo the earlier
* written properties? */
for (i = 0; i < num_properties; i++) {
/* Ignore properties that are not stored in DB */
if (properties[i].type == BT_PROPERTY_REMOTE_RSSI ||
properties[i].type == BT_PROPERTY_REMOTE_IS_COORDINATED_SET_MEMBER ||
properties[i].type == BT_PROPERTY_REMOTE_ASHA_CAPABILITY ||
properties[i].type == BT_PROPERTY_REMOTE_ASHA_TRUNCATED_HISYNCID) {
continue;
}
/* address for remote device needs special handling as we also store
* timestamp */
if (properties[i].type == BT_PROPERTY_BDADDR) {
bt_property_t addr_prop;
memcpy(&addr_prop, &properties[i], sizeof(bt_property_t));
addr_prop.type = (bt_property_type_t)BT_PROPERTY_REMOTE_DEVICE_TIMESTAMP;
btif_storage_set_remote_device_property(remote_bd_addr, &addr_prop);
} else {
btif_storage_set_remote_device_property(remote_bd_addr, &properties[i]);
}
}
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_storage_add_bonded_device
*
* Description BTIF storage API - Adds the newly bonded device to NVRAM
* along with the link-key, Key type and Pin key length
*
* Returns BT_STATUS_SUCCESS if the store was successful,
* BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_storage_add_bonded_device(RawAddress* remote_bd_addr,
LinkKey link_key, uint8_t key_type,
uint8_t pin_length) {
std::string bdstr = remote_bd_addr->ToString();
bool ret =
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_LINK_KEY_TYPE, (int)key_type);
ret &=
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_PIN_LENGTH, (int)pin_length);
ret &= btif_config_set_bin(bdstr, BTIF_STORAGE_KEY_LINK_KEY, link_key.data(),
link_key.size());
if (ret) {
btif_storage_set_mode(remote_bd_addr);
}
return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
}
/*******************************************************************************
*
* Function btif_storage_remove_bonded_device
*
* Description BTIF storage API - Deletes the bonded device from NVRAM
*
* Returns BT_STATUS_SUCCESS if the deletion was successful,
* BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_storage_remove_bonded_device(
const RawAddress* remote_bd_addr) {
std::string bdstr = remote_bd_addr->ToString();
log::info("Removing bonded device addr={}", *remote_bd_addr);
btif_config_remove_device(bdstr);
/* Check the length of the paired devices, and if 0 then reset IRK */
auto paired_devices = btif_config_get_paired_devices();
if (paired_devices.empty() &&
bluetooth::common::init_flags::irk_rotation_is_enabled()) {
log::info("Last paired device removed, resetting IRK");
BTA_DmBleResetId();
}
return BT_STATUS_SUCCESS;
}
/* Some devices hardcode sample LTK value from spec, instead of generating one.
* Treat such devices as insecure, and remove such bonds when bluetooth
* restarts. Removing them after disconnection is handled separately.
*
* We still allow such devices to bond in order to give the user a chance to
* update firmware.
*/
static void remove_devices_with_sample_ltk() {
std::vector<RawAddress> bad_ltk;
for (const auto& bd_addr : btif_config_get_paired_devices()) {
auto name = bd_addr.ToString();
tBTA_LE_KEY_VALUE key;
memset(&key, 0, sizeof(key));
if (btif_storage_get_ble_bonding_key(
bd_addr, BTM_LE_KEY_PENC, (uint8_t*)&key,
sizeof(tBTM_LE_PENC_KEYS)) == BT_STATUS_SUCCESS) {
if (is_sample_ltk(key.penc_key.ltk)) {
bad_ltk.push_back(bd_addr);
}
}
}
for (RawAddress address : bad_ltk) {
log::error("Removing bond to device using test TLK: {}", address);
btif_storage_remove_bonded_device(&address);
}
}
/*******************************************************************************
*
* Function btif_storage_load_le_devices
*
* Description BTIF storage API - Loads all LE-only and Dual Mode devices
* from NVRAM. This API invokes the adaper_properties_cb.
* It also invokes invoke_address_consolidate_cb
* to consolidate each Dual Mode device and
* invoke_le_address_associate_cb to associate each LE-only
* device between its RPA and identity address.
*
******************************************************************************/
void btif_storage_load_le_devices(void) {
btif_bonded_devices_t bonded_devices;
btif_in_fetch_bonded_devices(&bonded_devices, 1);
std::unordered_set<RawAddress> bonded_addresses;
for (uint16_t i = 0; i < bonded_devices.num_devices; i++) {
bonded_addresses.insert(bonded_devices.devices[i]);
}
std::vector<std::pair<RawAddress, RawAddress>> consolidated_devices;
for (uint16_t i = 0; i < bonded_devices.num_devices; i++) {
// RawAddress* p_remote_addr;
tBTA_LE_KEY_VALUE key = {};
if (btif_storage_get_ble_bonding_key(
bonded_devices.devices[i], BTM_LE_KEY_PID, (uint8_t*)&key,
sizeof(tBTM_LE_PID_KEYS)) == BT_STATUS_SUCCESS) {
if (bonded_devices.devices[i] != key.pid_key.identity_addr) {
log::info("Found device with a known identity address {} {}",
bonded_devices.devices[i], key.pid_key.identity_addr);
if (bonded_devices.devices[i].IsEmpty() ||
key.pid_key.identity_addr.IsEmpty()) {
log::warn("Address is empty! Skip");
} else {
consolidated_devices.emplace_back(bonded_devices.devices[i],
key.pid_key.identity_addr);
}
}
}
}
bt_property_t adapter_prop = {};
/* Send the adapter_properties_cb with bonded consolidated device */
{
/* BONDED_DEVICES */
auto devices_list =
std::make_unique<RawAddress[]>(consolidated_devices.size());
adapter_prop.type = BT_PROPERTY_ADAPTER_BONDED_DEVICES;
adapter_prop.len = consolidated_devices.size() * sizeof(RawAddress);
adapter_prop.val = devices_list.get();
for (uint16_t i = 0; i < consolidated_devices.size(); i++) {
devices_list[i] = consolidated_devices[i].first;
}
btif_adapter_properties_evt(BT_STATUS_SUCCESS, /* num_props */ 1,
&adapter_prop);
}
for (const auto& device : consolidated_devices) {
if (bonded_addresses.find(device.second) != bonded_addresses.end()) {
// Invokes address consolidation for DuMo devices
GetInterfaceToProfiles()->events->invoke_address_consolidate_cb(
device.first, device.second);
} else {
// Associates RPA & identity address for LE-only devices
GetInterfaceToProfiles()->events->invoke_le_address_associate_cb(
device.first, device.second);
}
}
}
/*******************************************************************************
*
* Function btif_storage_load_bonded_devices
*
* Description BTIF storage API - Loads all the bonded devices from NVRAM
* and adds to the BTA.
* Additionally, this API also invokes the adaper_properties_cb
* and remote_device_properties_cb for each of the bonded
* devices.
*
* Returns BT_STATUS_SUCCESS if successful, BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_storage_load_bonded_devices(void) {
btif_bonded_devices_t bonded_devices;
uint32_t i = 0;
bt_property_t adapter_props[6];
uint32_t num_props = 0;
bt_property_t remote_properties[10];
RawAddress addr;
bt_bdname_t name, alias, model_name;
bt_scan_mode_t mode;
uint32_t disc_timeout;
Uuid local_uuids[BT_MAX_NUM_UUIDS];
Uuid remote_uuids[BT_MAX_NUM_UUIDS];
bt_status_t status;
remove_devices_with_sample_ltk();
btif_in_fetch_bonded_devices(&bonded_devices, 1);
/* Now send the adapter_properties_cb with all adapter_properties */
{
memset(adapter_props, 0, sizeof(adapter_props));
/* address */
status = btif_storage_get_adapter_prop(
BT_PROPERTY_BDADDR, &addr, sizeof(addr), &adapter_props[num_props]);
// Add BT_PROPERTY_BDADDR property into list only when successful.
// Otherwise, skip this property entry.
if (status == BT_STATUS_SUCCESS) {
num_props++;
}
/* BD_NAME */
btif_storage_get_adapter_prop(BT_PROPERTY_BDNAME, &name, sizeof(name),
&adapter_props[num_props]);
num_props++;
/* SCAN_MODE */
/* TODO: At the time of BT on, always report the scan mode as 0 irrespective
of the scan_mode during the previous enable cycle.
This needs to be re-visited as part of the app/stack enable sequence
synchronization */
mode = BT_SCAN_MODE_NONE;
adapter_props[num_props].type = BT_PROPERTY_ADAPTER_SCAN_MODE;
adapter_props[num_props].len = sizeof(mode);
adapter_props[num_props].val = &mode;
num_props++;
/* DISC_TIMEOUT */
btif_storage_get_adapter_prop(BT_PROPERTY_ADAPTER_DISCOVERABLE_TIMEOUT,
&disc_timeout, sizeof(disc_timeout),
&adapter_props[num_props]);
num_props++;
/* BONDED_DEVICES */
RawAddress* devices_list = (RawAddress*)osi_malloc(
sizeof(RawAddress) * bonded_devices.num_devices);
adapter_props[num_props].type = BT_PROPERTY_ADAPTER_BONDED_DEVICES;
adapter_props[num_props].len =
bonded_devices.num_devices * sizeof(RawAddress);
adapter_props[num_props].val = devices_list;
for (i = 0; i < bonded_devices.num_devices; i++) {
devices_list[i] = bonded_devices.devices[i];
}
num_props++;
/* LOCAL UUIDs */
btif_storage_get_adapter_prop(BT_PROPERTY_UUIDS, local_uuids,
sizeof(local_uuids),
&adapter_props[num_props]);
num_props++;
btif_adapter_properties_evt(BT_STATUS_SUCCESS, num_props, adapter_props);
osi_free(devices_list);
}
log::verbose("Number of bonded devices found={}", bonded_devices.num_devices);
{
for (i = 0; i < bonded_devices.num_devices; i++) {
RawAddress* p_remote_addr;
/*
* TODO: improve handling of missing fields in NVRAM.
*/
uint32_t cod = 0;
uint32_t devtype = 0;
num_props = 0;
p_remote_addr = &bonded_devices.devices[i];
memset(remote_properties, 0, sizeof(remote_properties));
btif_storage_get_remote_prop(p_remote_addr, BT_PROPERTY_BDNAME, &name,
sizeof(name), &remote_properties[num_props]);
num_props++;
btif_storage_get_remote_prop(
p_remote_addr, BT_PROPERTY_REMOTE_FRIENDLY_NAME, &alias,
sizeof(alias), &remote_properties[num_props]);
num_props++;
btif_storage_get_remote_prop(p_remote_addr, BT_PROPERTY_CLASS_OF_DEVICE,
&cod, sizeof(cod),
&remote_properties[num_props]);
num_props++;
btif_storage_get_remote_prop(p_remote_addr, BT_PROPERTY_TYPE_OF_DEVICE,
&devtype, sizeof(devtype),
&remote_properties[num_props]);
num_props++;
btif_storage_get_remote_prop(p_remote_addr, BT_PROPERTY_UUIDS,
remote_uuids, sizeof(remote_uuids),
&remote_properties[num_props]);
num_props++;
// Floss needs appearance for metrics purposes
uint16_t appearance = 0;
if (btif_storage_get_remote_prop(p_remote_addr, BT_PROPERTY_APPEARANCE,
&appearance, sizeof(appearance),
&remote_properties[num_props]) ==
BT_STATUS_SUCCESS) {
num_props++;
}
#if TARGET_FLOSS
// Floss needs VID:PID for metrics purposes
bt_vendor_product_info_t vp_info;
if (btif_storage_get_remote_prop(
p_remote_addr, BT_PROPERTY_VENDOR_PRODUCT_INFO, &vp_info,
sizeof(vp_info),
&remote_properties[num_props]) == BT_STATUS_SUCCESS) {
num_props++;
}
// Floss needs address type for diagnosis API
uint8_t addr_type;
if (btif_storage_get_remote_prop(
p_remote_addr, BT_PROPERTY_REMOTE_ADDR_TYPE, &addr_type,
sizeof(addr_type),
&remote_properties[num_props]) == BT_STATUS_SUCCESS) {
num_props++;
}
#endif
btif_storage_get_remote_prop(p_remote_addr, BT_PROPERTY_REMOTE_MODEL_NUM,
&model_name, sizeof(model_name),
&remote_properties[num_props]);
num_props++;
btif_remote_properties_evt(BT_STATUS_SUCCESS, p_remote_addr, num_props,
remote_properties);
}
}
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_storage_add_ble_bonding_key
*
* Description BTIF storage API - Adds the newly bonded device to NVRAM
* along with the ble-key, Key type and Pin key length
*
* Returns BT_STATUS_SUCCESS if the store was successful,
* BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_storage_add_ble_bonding_key(RawAddress* remote_bd_addr,
const uint8_t* key_value,
uint8_t key_type,
uint8_t key_length) {
for (size_t i = 0; i < std::size(BTIF_STORAGE_LE_KEYS); i++) {
auto key = BTIF_STORAGE_LE_KEYS[i];
if (key.type == key_type) {
bool ret = btif_config_set_bin(remote_bd_addr->ToString(), key.name,
key_value, key_length);
if (ret) {
btif_storage_set_mode(remote_bd_addr);
}
return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
}
}
log::warn("Unknown LE key type: {}", key_type);
return BT_STATUS_FAIL;
}
/*******************************************************************************
*
* Function btif_storage_get_ble_bonding_key
*
* Description
*
* Returns BT_STATUS_SUCCESS if the fetch was successful,
* BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_storage_get_ble_bonding_key(const RawAddress& remote_bd_addr,
uint8_t key_type,
uint8_t* key_value,
int key_length) {
for (size_t i = 0; i < std::size(BTIF_STORAGE_LE_KEYS); i++) {
auto key = BTIF_STORAGE_LE_KEYS[i];
if (key.type == key_type) {
size_t length = key_length;
bool ret = btif_config_get_bin(remote_bd_addr.ToString(), key.name,
key_value, &length);
return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
}
}
log::warn("Unknown LE key type: {}", key_type);
return BT_STATUS_FAIL;
}
/*******************************************************************************
*
* Function btif_storage_remove_ble_keys
*
* Description BTIF storage API - Deletes the bonded device from NVRAM
*
* Returns BT_STATUS_SUCCESS if the deletion was successful,
* BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_storage_remove_ble_bonding_keys(
const RawAddress* remote_bd_addr) {
std::string bdstr = remote_bd_addr->ToString();
log::info("Removing bonding keys for bd addr:{}", *remote_bd_addr);
bool ret = true;
for (size_t i = 0; i < std::size(BTIF_STORAGE_LE_KEYS); i++) {
auto key_name = BTIF_STORAGE_LE_KEYS[i].name;
if (btif_config_exist(bdstr, key_name))
ret &= btif_config_remove(bdstr, key_name);
}
return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
}
/*******************************************************************************
*
* Function btif_storage_add_ble_local_key
*
* Description BTIF storage API - Adds the ble key to NVRAM
*
* Returns BT_STATUS_SUCCESS if the store was successful,
* BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_storage_add_ble_local_key(const Octet16& key_value,
uint8_t key_type) {
for (size_t i = 0; i < std::size(BTIF_STORAGE_LOCAL_LE_KEYS); i++) {
auto key = BTIF_STORAGE_LOCAL_LE_KEYS[i];
if (key.type == key_type) {
bool ret = btif_config_set_bin(BTIF_STORAGE_SECTION_ADAPTER, key.name,
key_value.data(), key_value.size());
return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
}
}
log::warn("Unknown LE key type: {}", key_type);
return BT_STATUS_FAIL;
}
/** Stores local key of |key_type| into |key_value|
* Returns BT_STATUS_SUCCESS if the fetch was successful, BT_STATUS_FAIL
* otherwise
*/
bt_status_t btif_storage_get_ble_local_key(uint8_t key_type,
Octet16* key_value) {
for (size_t i = 0; i < std::size(BTIF_STORAGE_LOCAL_LE_KEYS); i++) {
auto key = BTIF_STORAGE_LOCAL_LE_KEYS[i];
if (key.type == key_type) {
size_t length = key_value->size();
bool ret = btif_config_get_bin(BTIF_STORAGE_SECTION_ADAPTER, key.name,
key_value->data(), &length);
return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
}
}
log::warn("Unknown LE key type: {}", key_type);
return BT_STATUS_FAIL;
}
bt_status_t btif_in_fetch_bonded_ble_device(
const std::string& remote_bd_addr, int add,
btif_bonded_devices_t* p_bonded_devices) {
int device_type;
tBLE_ADDR_TYPE addr_type;
bool device_added = false;
bool key_found = false;
RawAddress bd_addr;
RawAddress::FromString(remote_bd_addr, bd_addr);
if (!btif_config_get_int(remote_bd_addr, BTIF_STORAGE_KEY_DEV_TYPE,
&device_type))
return BT_STATUS_FAIL;
if ((device_type & BT_DEVICE_TYPE_BLE) == BT_DEVICE_TYPE_BLE ||
btif_has_ble_keys(remote_bd_addr)) {
log::verbose("Found a LE device: {}", bd_addr);
if (btif_storage_get_remote_addr_type(&bd_addr, &addr_type) !=
BT_STATUS_SUCCESS) {
addr_type = BLE_ADDR_PUBLIC;
btif_storage_set_remote_addr_type(&bd_addr, BLE_ADDR_PUBLIC);
}
for (size_t i = 0; i < std::size(BTIF_STORAGE_LE_KEYS); i++) {
auto key = BTIF_STORAGE_LE_KEYS[i];
btif_read_le_key(key.type, key.size, bd_addr, addr_type, add,
&device_added, &key_found);
}
// Fill in the bonded devices
if (device_added) {
if (p_bonded_devices->num_devices < BTM_SEC_MAX_DEVICE_RECORDS) {
p_bonded_devices->devices[p_bonded_devices->num_devices++] = bd_addr;
} else {
log::warn("Exceed the max number of bonded devices");
}
btif_gatts_add_bonded_dev_from_nv(bd_addr);
}
if (key_found) return BT_STATUS_SUCCESS;
}
return BT_STATUS_DEVICE_NOT_FOUND;
}
void btif_storage_invoke_addr_type_update(const RawAddress& remote_bd_addr,
const tBLE_ADDR_TYPE& addr_type) {
bt_property_t prop;
prop.type = BT_PROPERTY_REMOTE_ADDR_TYPE;
prop.val = (tBLE_ADDR_TYPE*)&addr_type;
prop.len = sizeof(tBLE_ADDR_TYPE);
GetInterfaceToProfiles()->events->invoke_remote_device_properties_cb(
BT_STATUS_SUCCESS, remote_bd_addr, 1, &prop);
}
bt_status_t btif_storage_set_remote_addr_type(const RawAddress* remote_bd_addr,
tBLE_ADDR_TYPE addr_type) {
bool ret = btif_config_set_int(remote_bd_addr->ToString(),
BTIF_STORAGE_KEY_ADDR_TYPE, (int)addr_type);
#if TARGET_FLOSS
// Floss needs to get address type for diagnosis API.
btif_storage_invoke_addr_type_update(*remote_bd_addr, addr_type);
#endif
return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
}
bool btif_has_ble_keys(const std::string& bdstr) {
return btif_config_exist(bdstr, BTIF_STORAGE_KEY_LE_KEY_PENC);
}
/*******************************************************************************
*
* Function btif_storage_get_remote_addr_type
*
* Description BTIF storage API - Fetches the remote addr type
*
* Returns BT_STATUS_SUCCESS if the fetch was successful,
* BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_storage_get_remote_addr_type(const RawAddress* remote_bd_addr,
tBLE_ADDR_TYPE* addr_type) {
int val;
bool ret = btif_config_get_int(remote_bd_addr->ToString(),
BTIF_STORAGE_KEY_ADDR_TYPE, &val);
*addr_type = static_cast<tBLE_ADDR_TYPE>(val);
return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
}
/** Stores information about GATT server supported features */
void btif_storage_set_gatt_sr_supp_feat(const RawAddress& addr, uint8_t feat) {
do_in_jni_thread(Bind(
[](const RawAddress& addr, uint8_t feat) {
std::string bdstr = addr.ToString();
log::verbose(
"GATT server supported features for: {} features: "
"{}",
addr, feat);
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_GATT_SERVER_SUPPORTED,
feat);
},
addr, feat));
}
/** Gets information about GATT server supported features */
uint8_t btif_storage_get_sr_supp_feat(const RawAddress& bd_addr) {
auto name = bd_addr.ToString();
int value = 0;
btif_config_get_int(name, BTIF_STORAGE_KEY_GATT_SERVER_SUPPORTED, &value);
log::verbose("Remote device: {} GATT server supported features 0x{:02x}",
bd_addr, value);
return value;
}
/*******************************************************************************
*
* Function btif_storage_is_restricted_device
*
* Description BTIF storage API - checks if this device is a restricted
* device
*
* Returns true if the device is labeled as restricted
* false otherwise
*
******************************************************************************/
bool btif_storage_is_restricted_device(const RawAddress* remote_bd_addr) {
int val;
return btif_config_get_int(remote_bd_addr->ToString(),
BTIF_STORAGE_KEY_RESTRICTED, &val);
}
// Get the name of a device from btif for interop database matching.
bool btif_storage_get_stored_remote_name(const RawAddress& bd_addr,
char* name) {
bt_property_t property;
property.type = BT_PROPERTY_BDNAME;
property.len = BD_NAME_LEN;
property.val = name;
return (btif_storage_get_remote_device_property(&bd_addr, &property) ==
BT_STATUS_SUCCESS);
}
/** Stores information about GATT Client supported features support */
void btif_storage_set_gatt_cl_supp_feat(const RawAddress& bd_addr,
uint8_t feat) {
do_in_jni_thread(Bind(
[](const RawAddress& bd_addr, uint8_t feat) {
std::string bdstr = bd_addr.ToString();
log::verbose("saving gatt client supported feat: {}", bd_addr);
btif_config_set_int(bdstr, BTIF_STORAGE_KEY_GATT_CLIENT_SUPPORTED,
feat);
},
bd_addr, feat));
}
/** Get client supported features */
uint8_t btif_storage_get_gatt_cl_supp_feat(const RawAddress& bd_addr) {
auto name = bd_addr.ToString();
int value = 0;
btif_config_get_int(name, BTIF_STORAGE_KEY_GATT_CLIENT_SUPPORTED, &value);
log::verbose("Remote device: {} GATT client supported features 0x{:02x}",
bd_addr, value);
return value;
}
/** Remove client supported features */
void btif_storage_remove_gatt_cl_supp_feat(const RawAddress& bd_addr) {
do_in_jni_thread(Bind(
[](const RawAddress& bd_addr) {
auto bdstr = bd_addr.ToString();
if (btif_config_exist(bdstr, BTIF_STORAGE_KEY_GATT_CLIENT_SUPPORTED)) {
btif_config_remove(bdstr, BTIF_STORAGE_KEY_GATT_CLIENT_SUPPORTED);
}
},
bd_addr));
}
/** Store last server database hash for remote client */
void btif_storage_set_gatt_cl_db_hash(const RawAddress& bd_addr, Octet16 hash) {
do_in_jni_thread(Bind(
[](const RawAddress& bd_addr, Octet16 hash) {
auto bdstr = bd_addr.ToString();
btif_config_set_bin(bdstr, BTIF_STORAGE_KEY_GATT_CLIENT_DB_HASH,
hash.data(), hash.size());
},
bd_addr, hash));
}
/** Get last server database hash for remote client */
Octet16 btif_storage_get_gatt_cl_db_hash(const RawAddress& bd_addr) {
auto bdstr = bd_addr.ToString();
Octet16 hash;
size_t size = hash.size();
btif_config_get_bin(bdstr, BTIF_STORAGE_KEY_GATT_CLIENT_DB_HASH, hash.data(),
&size);
return hash;
}
/** Remove las server database hash for remote client */
void btif_storage_remove_gatt_cl_db_hash(const RawAddress& bd_addr) {
do_in_jni_thread(Bind(
[](const RawAddress& bd_addr) {
auto bdstr = bd_addr.ToString();
if (btif_config_exist(bdstr, BTIF_STORAGE_KEY_GATT_CLIENT_DB_HASH)) {
btif_config_remove(bdstr, BTIF_STORAGE_KEY_GATT_CLIENT_DB_HASH);
}
},
bd_addr));
}
void btif_debug_linkkey_type_dump(int fd) {
dprintf(fd, "\nLink Key Types:\n");
for (const auto& bd_addr : btif_config_get_paired_devices()) {
auto bdstr = bd_addr.ToString();
int linkkey_type;
dprintf(fd, " %s\n", ADDRESS_TO_LOGGABLE_CSTR(bd_addr));
dprintf(fd, " BR: ");
if (btif_config_get_int(bdstr, BTIF_STORAGE_KEY_LINK_KEY_TYPE,
&linkkey_type)) {
dprintf(fd, "%s", linkkey_type_text(linkkey_type).c_str());
}
dprintf(fd, "\n");
dprintf(fd, " LE:");
for (size_t i = 0; i < std::size(BTIF_STORAGE_LE_KEYS); i++) {
const std::string& key_name = BTIF_STORAGE_LE_KEYS[i].name;
if (btif_config_exist(bdstr, key_name))
dprintf(fd, " %s", key_name.c_str());
}
dprintf(fd, "\n");
}
}