/******************************************************************************
*
* 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 <base/logging.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "bt_common.h"
#include "bta_closure_api.h"
#include "bta_hd_api.h"
#include "bta_hearing_aid_api.h"
#include "bta_hh_api.h"
#include "btif_api.h"
#include "btif_config.h"
#include "btif_hd.h"
#include "btif_hh.h"
#include "btif_util.h"
#include "device/include/controller.h"
#include "osi/include/allocator.h"
#include "osi/include/compat.h"
#include "osi/include/config.h"
#include "osi/include/log.h"
#include "osi/include/osi.h"
using base::Bind;
using bluetooth::Uuid;
/*******************************************************************************
* Constants & Macros
******************************************************************************/
// TODO(armansito): Find a better way than using a hardcoded path.
#define BTIF_STORAGE_PATH_BLUEDROID "/data/misc/bluedroid"
//#define BTIF_STORAGE_PATH_ADAPTER_INFO "adapter_info"
//#define BTIF_STORAGE_PATH_REMOTE_DEVICES "remote_devices"
#define BTIF_STORAGE_PATH_REMOTE_DEVTIME "Timestamp"
#define BTIF_STORAGE_PATH_REMOTE_DEVCLASS "DevClass"
#define BTIF_STORAGE_PATH_REMOTE_DEVTYPE "DevType"
#define BTIF_STORAGE_PATH_REMOTE_NAME "Name"
#define BTIF_STORAGE_PATH_REMOTE_VER_MFCT "Manufacturer"
#define BTIF_STORAGE_PATH_REMOTE_VER_VER "LmpVer"
#define BTIF_STORAGE_PATH_REMOTE_VER_SUBVER "LmpSubVer"
//#define BTIF_STORAGE_PATH_REMOTE_LINKKEYS "remote_linkkeys"
#define BTIF_STORAGE_PATH_REMOTE_ALIASE "Aliase"
#define BTIF_STORAGE_PATH_REMOTE_SERVICE "Service"
#define BTIF_STORAGE_PATH_REMOTE_HIDINFO "HidInfo"
#define BTIF_STORAGE_KEY_ADAPTER_NAME "Name"
#define BTIF_STORAGE_KEY_ADAPTER_SCANMODE "ScanMode"
#define BTIF_STORAGE_KEY_ADAPTER_DISC_TIMEOUT "DiscoveryTimeout"
/* This is a local property to add a device found */
#define BT_PROPERTY_REMOTE_DEVICE_TIMESTAMP 0xFF
// TODO: This macro should be converted to a function
#define BTIF_STORAGE_GET_ADAPTER_PROP(s, t, v, l, p) \
do { \
(p).type = (t); \
(p).val = (v); \
(p).len = (l); \
(s) = btif_storage_get_adapter_property(&(p)); \
} while (0)
// TODO: This macro should be converted to a function
#define BTIF_STORAGE_GET_REMOTE_PROP(b, t, v, l, p) \
do { \
(p).type = (t); \
(p).val = (v); \
(p).len = (l); \
btif_storage_get_remote_device_property((b), &(p)); \
} while (0)
#define STORAGE_BDADDR_STRING_SZ (18) /* 00:11:22:33:44:55 */
#define STORAGE_UUID_STRING_SIZE \
(36 + 1) /* 00001200-0000-1000-8000-00805f9b34fb; */
#define STORAGE_PINLEN_STRING_MAX_SIZE (2) /* ascii pinlen max chars */
#define STORAGE_KEYTYPE_STRING_MAX_SIZE (1) /* ascii keytype max chars */
#define STORAGE_KEY_TYPE_MAX (10)
#define STORAGE_HID_ATRR_MASK_SIZE (4)
#define STORAGE_HID_SUB_CLASS_SIZE (2)
#define STORAGE_HID_APP_ID_SIZE (2)
#define STORAGE_HID_VENDOR_ID_SIZE (4)
#define STORAGE_HID_PRODUCT_ID_SIZE (4)
#define STORAGE_HID_VERSION_SIZE (4)
#define STORAGE_HID_CTRY_CODE_SIZE (2)
#define STORAGE_HID_DESC_LEN_SIZE (4)
#define STORAGE_HID_DESC_MAX_SIZE (2 * 512)
/* <18 char bd addr> <space> LIST< <36 char uuid> <;> > <keytype (dec)> <pinlen>
*/
#define BTIF_REMOTE_SERVICES_ENTRY_SIZE_MAX \
(STORAGE_BDADDR_STRING_SZ + 1 + \
STORAGE_UUID_STRING_SIZE * BT_MAX_NUM_UUIDS + \
STORAGE_PINLEN_STRING_MAX_SIZE + STORAGE_KEYTYPE_STRING_MAX_SIZE)
#define STORAGE_REMOTE_LINKKEYS_ENTRY_SIZE (LINK_KEY_LEN * 2 + 1 + 2 + 1 + 2)
/* <18 char bd addr> <space>LIST <attr_mask> <space> > <sub_class> <space>
<app_id> <space>
<vendor_id> <space> > <product_id> <space>
<version> <space>
<ctry_code> <space> > <desc_len> <space>
<desc_list> <space> */
#define BTIF_HID_INFO_ENTRY_SIZE_MAX \
(STORAGE_BDADDR_STRING_SZ + 1 + STORAGE_HID_ATRR_MASK_SIZE + 1 + \
STORAGE_HID_SUB_CLASS_SIZE + 1 + STORAGE_HID_APP_ID_SIZE + 1 + \
STORAGE_HID_VENDOR_ID_SIZE + 1 + STORAGE_HID_PRODUCT_ID_SIZE + 1 + \
STORAGE_HID_VERSION_SIZE + 1 + STORAGE_HID_CTRY_CODE_SIZE + 1 + \
STORAGE_HID_DESC_LEN_SIZE + 1 + STORAGE_HID_DESC_MAX_SIZE + 1)
/* currently remote services is the potentially largest entry */
#define BTIF_STORAGE_MAX_LINE_SZ BTIF_REMOTE_SERVICES_ENTRY_SIZE_MAX
/* check against unv max entry size at compile time */
#if (BTIF_STORAGE_ENTRY_MAX_SIZE > UNV_MAXLINE_LENGTH)
#error "btif storage entry size exceeds unv max line size"
#endif
/*******************************************************************************
* Local type definitions
******************************************************************************/
typedef struct {
uint32_t num_devices;
RawAddress devices[BTM_SEC_MAX_DEVICE_RECORDS];
} btif_bonded_devices_t;
/*******************************************************************************
* External functions
******************************************************************************/
extern void btif_gatts_add_bonded_dev_from_nv(const RawAddress& bda);
/*******************************************************************************
* Internal Functions
******************************************************************************/
static bt_status_t btif_in_fetch_bonded_ble_device(
const std::string& remote_bd_addr, int add,
btif_bonded_devices_t* p_bonded_devices);
static bt_status_t btif_in_fetch_bonded_device(const std::string& bdstr);
static bool btif_has_ble_keys(const std::string& bdstr);
/*******************************************************************************
* Static functions
******************************************************************************/
static int prop2cfg(const RawAddress* remote_bd_addr, bt_property_t* prop) {
std::string bdstr;
if (remote_bd_addr) {
bdstr = remote_bd_addr->ToString();
}
BTIF_TRACE_DEBUG("in, bd addr:%s, prop type:%d, len:%d", bdstr.c_str(),
prop->type, prop->len);
char value[1024];
if (prop->len <= 0 || prop->len > (int)sizeof(value) - 1) {
BTIF_TRACE_ERROR("property type:%d, len:%d is invalid", prop->type,
prop->len);
return false;
}
switch (prop->type) {
case BT_PROPERTY_REMOTE_DEVICE_TIMESTAMP:
btif_config_set_int(bdstr, BTIF_STORAGE_PATH_REMOTE_DEVTIME,
(int)time(NULL));
break;
case BT_PROPERTY_BDNAME: {
int name_length = prop->len > BTM_MAX_LOC_BD_NAME_LEN
? BTM_MAX_LOC_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_PATH_REMOTE_NAME, value);
else
btif_config_set_str("Adapter", BTIF_STORAGE_KEY_ADAPTER_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_PATH_REMOTE_ALIASE, value);
break;
case BT_PROPERTY_ADAPTER_SCAN_MODE:
btif_config_set_int("Adapter", BTIF_STORAGE_KEY_ADAPTER_SCANMODE,
*(int*)prop->val);
break;
case BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT:
btif_config_set_int("Adapter", BTIF_STORAGE_KEY_ADAPTER_DISC_TIMEOUT,
*(int*)prop->val);
break;
case BT_PROPERTY_CLASS_OF_DEVICE:
btif_config_set_int(bdstr, BTIF_STORAGE_PATH_REMOTE_DEVCLASS,
*(int*)prop->val);
break;
case BT_PROPERTY_TYPE_OF_DEVICE:
btif_config_set_int(bdstr, BTIF_STORAGE_PATH_REMOTE_DEVTYPE,
*(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_PATH_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_PATH_REMOTE_VER_MFCT,
info->manufacturer);
btif_config_set_int(bdstr, BTIF_STORAGE_PATH_REMOTE_VER_VER,
info->version);
btif_config_set_int(bdstr, BTIF_STORAGE_PATH_REMOTE_VER_SUBVER,
info->sub_ver);
} break;
default:
BTIF_TRACE_ERROR("Unknown prop type:%d", prop->type);
return false;
}
/* No need to look for bonded device with address of NULL */
if (remote_bd_addr &&
btif_in_fetch_bonded_device(bdstr) == BT_STATUS_SUCCESS) {
/* save changes if the device was bonded */
btif_config_flush();
}
return true;
}
static int cfg2prop(const RawAddress* remote_bd_addr, bt_property_t* prop) {
std::string bdstr;
if (remote_bd_addr) {
bdstr = remote_bd_addr->ToString();
}
BTIF_TRACE_DEBUG("in, bd addr:%s, prop type:%d, len:%d", bdstr.c_str(),
prop->type, prop->len);
if (prop->len <= 0) {
BTIF_TRACE_ERROR("property type:%d, len:%d is invalid", prop->type,
prop->len);
return false;
}
int 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_PATH_REMOTE_DEVTIME,
(int*)prop->val);
break;
case BT_PROPERTY_BDNAME: {
int len = prop->len;
if (remote_bd_addr)
ret = btif_config_get_str(bdstr, BTIF_STORAGE_PATH_REMOTE_NAME,
(char*)prop->val, &len);
else
ret = btif_config_get_str("Adapter", BTIF_STORAGE_KEY_ADAPTER_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_PATH_REMOTE_ALIASE,
(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("Adapter", BTIF_STORAGE_KEY_ADAPTER_SCANMODE,
(int*)prop->val);
break;
case BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT:
if (prop->len >= (int)sizeof(int))
ret = btif_config_get_int(
"Adapter", BTIF_STORAGE_KEY_ADAPTER_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_PATH_REMOTE_DEVCLASS,
(int*)prop->val);
break;
case BT_PROPERTY_TYPE_OF_DEVICE:
if (prop->len >= (int)sizeof(int))
ret = btif_config_get_int(bdstr, BTIF_STORAGE_PATH_REMOTE_DEVTYPE,
(int*)prop->val);
break;
case BT_PROPERTY_UUIDS: {
char value[1280];
int size = sizeof(value);
if (btif_config_get_str(bdstr, BTIF_STORAGE_PATH_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_PATH_REMOTE_VER_MFCT,
&info->manufacturer);
if (ret)
ret = btif_config_get_int(bdstr, BTIF_STORAGE_PATH_REMOTE_VER_VER,
&info->version);
if (ret)
ret = btif_config_get_int(bdstr, BTIF_STORAGE_PATH_REMOTE_VER_SUBVER,
&info->sub_ver);
}
} break;
default:
BTIF_TRACE_ERROR("Unknow prop type:%d", prop->type);
return false;
}
return ret;
}
/*******************************************************************************
*
* 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_device(const std::string& bdstr) {
bool bt_linkkey_file_found = false;
LINK_KEY link_key;
size_t size = sizeof(link_key);
if (btif_config_get_bin(bdstr, "LinkKey", (uint8_t*)link_key, &size)) {
int linkkey_type;
if (btif_config_get_int(bdstr, "LinkKeyType", &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)) {
BTIF_TRACE_DEBUG("Remote device:%s, no link key or ble key found",
bdstr.c_str());
return BT_STATUS_FAIL;
}
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;
// TODO: this code is not thread safe, it can corrupt config content.
// b/67595284
for (const section_t& section : btif_config_sections()) {
const std::string& name = section.name;
if (!RawAddress::IsValidAddress(name)) continue;
BTIF_TRACE_DEBUG("Remote device:%s", name.c_str());
LINK_KEY link_key;
size_t size = sizeof(link_key);
if (btif_config_get_bin(name, "LinkKey", link_key, &size)) {
int linkkey_type;
if (btif_config_get_int(name, "LinkKeyType", &linkkey_type)) {
RawAddress bd_addr;
RawAddress::FromString(name, bd_addr);
if (add) {
DEV_CLASS dev_class = {0, 0, 0};
int cod;
int pin_length = 0;
if (btif_config_get_int(name, "DevClass", &cod))
uint2devclass((uint32_t)cod, dev_class);
btif_config_get_int(name, "PinLength", &pin_length);
BTA_DmAddDevice(bd_addr, dev_class, link_key, 0, 0,
(uint8_t)linkkey_type, 0, pin_length);
if (btif_config_get_int(name, "DevType", &device_type) &&
(device_type == BT_DEVICE_TYPE_DUMO)) {
btif_gatts_add_bonded_dev_from_nv(bd_addr);
}
}
bt_linkkey_file_found = true;
p_bonded_devices->devices[p_bonded_devices->num_devices++] = bd_addr;
} else {
bt_linkkey_file_found = false;
}
}
if (!btif_in_fetch_bonded_ble_device(name.c_str(), add, p_bonded_devices) &&
!bt_linkkey_file_found) {
BTIF_TRACE_DEBUG("Remote device:%s, no link key or ble key found",
name.c_str());
}
}
return BT_STATUS_SUCCESS;
}
static void btif_read_le_key(const uint8_t key_type, const size_t key_len,
RawAddress bd_addr, const uint8_t addr_type,
const bool add_key, bool* device_added,
bool* key_found) {
CHECK(device_added);
CHECK(key_found);
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;
}
BTIF_TRACE_DEBUG("%s() Adding key type %d for %s", __func__, key_type,
bd_addr.ToString().c_str());
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) {
CHECK(str);
CHECK(p_uuid);
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;
}
/*******************************************************************************
*
* 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 */
const controller_t* controller = controller_get_interface();
if (!controller->get_is_ready()) {
LOG_ERROR(LOG_TAG,
"%s: Controller not ready! Unable to return Bluetooth Address",
__func__);
*bd_addr = RawAddress::kEmpty;
return BT_STATUS_FAIL;
} else {
LOG_ERROR(LOG_TAG, "%s: Controller ready!", __func__);
*bd_addr = *controller->get_address();
}
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);
BTIF_TRACE_DEBUG(
"%s: Number of bonded devices: %d "
"Property:BT_PROPERTY_ADAPTER_BONDED_DEVICES",
__func__, bonded_devices.num_devices);
if (bonded_devices.num_devices > 0) {
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(LOG_TAG, "%s service_mask:0x%x", __func__, 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++;
}
/* 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_HFP_HS_SERVICE_ID: {
*(p_uuid + num_uuids) =
Uuid::From16Bit(UUID_SERVCLASS_HF_HANDSFREE);
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;
}
/*******************************************************************************
*
* 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 the RSSI as this is not stored in DB */
if (properties[i].type == BT_PROPERTY_REMOTE_RSSI) 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,
LINK_KEY link_key, uint8_t key_type,
uint8_t pin_length) {
std::string bdstr = remote_bd_addr->ToString();
int ret = btif_config_set_int(bdstr, "LinkKeyType", (int)key_type);
ret &= btif_config_set_int(bdstr, "PinLength", (int)pin_length);
ret &= btif_config_set_bin(bdstr, "LinkKey", link_key, sizeof(LINK_KEY));
if (is_restricted_mode()) {
BTIF_TRACE_WARNING("%s: '%s' pairing will be removed if unrestricted",
__func__, bdstr.c_str());
btif_config_set_int(bdstr, "Restricted", 1);
}
/* write bonded info immediately */
btif_config_flush();
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();
BTIF_TRACE_DEBUG("in bd addr:%s", bdstr.c_str());
btif_storage_remove_ble_bonding_keys(remote_bd_addr);
int ret = 1;
if (btif_config_exist(bdstr, "LinkKeyType"))
ret &= btif_config_remove(bdstr, "LinkKeyType");
if (btif_config_exist(bdstr, "PinLength"))
ret &= btif_config_remove(bdstr, "PinLength");
if (btif_config_exist(bdstr, "LinkKey"))
ret &= btif_config_remove(bdstr, "LinkKey");
if (btif_config_exist(bdstr, BTIF_STORAGE_PATH_REMOTE_ALIASE)) {
ret &= btif_config_remove(bdstr, BTIF_STORAGE_PATH_REMOTE_ALIASE);
}
/* write bonded info immediately */
btif_config_flush();
return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
}
/*******************************************************************************
*
* 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[8];
RawAddress addr;
bt_bdname_t name, alias;
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;
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 */
BTIF_STORAGE_GET_ADAPTER_PROP(status, 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(status, 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(status, BT_PROPERTY_ADAPTER_DISCOVERY_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(status, 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);
}
BTIF_TRACE_EVENT("%s: %d bonded devices found", __func__,
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++;
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,
uint8_t key_type,
uint8_t key_length) {
const char* name;
switch (key_type) {
case BTIF_DM_LE_KEY_PENC:
name = "LE_KEY_PENC";
break;
case BTIF_DM_LE_KEY_PID:
name = "LE_KEY_PID";
break;
case BTIF_DM_LE_KEY_PCSRK:
name = "LE_KEY_PCSRK";
break;
case BTIF_DM_LE_KEY_LENC:
name = "LE_KEY_LENC";
break;
case BTIF_DM_LE_KEY_LCSRK:
name = "LE_KEY_LCSRK";
break;
case BTIF_DM_LE_KEY_LID:
name = "LE_KEY_LID";
break;
default:
return BT_STATUS_FAIL;
}
int ret =
btif_config_set_bin(remote_bd_addr->ToString(), name, key, key_length);
btif_config_save();
return ret ? BT_STATUS_SUCCESS : 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(RawAddress* remote_bd_addr,
uint8_t key_type,
uint8_t* key_value,
int key_length) {
const char* name;
switch (key_type) {
case BTIF_DM_LE_KEY_PENC:
name = "LE_KEY_PENC";
break;
case BTIF_DM_LE_KEY_PID:
name = "LE_KEY_PID";
break;
case BTIF_DM_LE_KEY_PCSRK:
name = "LE_KEY_PCSRK";
break;
case BTIF_DM_LE_KEY_LENC:
name = "LE_KEY_LENC";
break;
case BTIF_DM_LE_KEY_LCSRK:
name = "LE_KEY_LCSRK";
break;
case BTIF_DM_LE_KEY_LID:
name = "LE_KEY_LID";
default:
return BT_STATUS_FAIL;
}
size_t length = key_length;
int ret =
btif_config_get_bin(remote_bd_addr->ToString(), name, key_value, &length);
return ret ? BT_STATUS_SUCCESS : 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();
BTIF_TRACE_DEBUG(" %s in bd addr:%s", __func__, bdstr.c_str());
int ret = 1;
if (btif_config_exist(bdstr, "LE_KEY_PENC"))
ret &= btif_config_remove(bdstr, "LE_KEY_PENC");
if (btif_config_exist(bdstr, "LE_KEY_PID"))
ret &= btif_config_remove(bdstr, "LE_KEY_PID");
if (btif_config_exist(bdstr, "LE_KEY_PCSRK"))
ret &= btif_config_remove(bdstr, "LE_KEY_PCSRK");
if (btif_config_exist(bdstr, "LE_KEY_LENC"))
ret &= btif_config_remove(bdstr, "LE_KEY_LENC");
if (btif_config_exist(bdstr, "LE_KEY_LCSRK"))
ret &= btif_config_remove(bdstr, "LE_KEY_LCSRK");
btif_config_save();
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(char* key, uint8_t key_type,
uint8_t key_length) {
const char* name;
switch (key_type) {
case BTIF_DM_LE_LOCAL_KEY_IR:
name = "LE_LOCAL_KEY_IR";
break;
case BTIF_DM_LE_LOCAL_KEY_IRK:
name = "LE_LOCAL_KEY_IRK";
break;
case BTIF_DM_LE_LOCAL_KEY_DHK:
name = "LE_LOCAL_KEY_DHK";
break;
case BTIF_DM_LE_LOCAL_KEY_ER:
name = "LE_LOCAL_KEY_ER";
break;
default:
return BT_STATUS_FAIL;
}
int ret =
btif_config_set_bin("Adapter", name, (const uint8_t*)key, key_length);
btif_config_save();
return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
}
/*******************************************************************************
*
* Function btif_storage_get_ble_local_key
*
* Description
*
* 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, char* key_value,
int key_length) {
const char* name;
switch (key_type) {
case BTIF_DM_LE_LOCAL_KEY_IR:
name = "LE_LOCAL_KEY_IR";
break;
case BTIF_DM_LE_LOCAL_KEY_IRK:
name = "LE_LOCAL_KEY_IRK";
break;
case BTIF_DM_LE_LOCAL_KEY_DHK:
name = "LE_LOCAL_KEY_DHK";
break;
case BTIF_DM_LE_LOCAL_KEY_ER:
name = "LE_LOCAL_KEY_ER";
break;
default:
return BT_STATUS_FAIL;
}
size_t length = key_length;
int ret = btif_config_get_bin("Adapter", name, (uint8_t*)key_value, &length);
return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
}
/*******************************************************************************
*
* Function btif_storage_remove_ble_local_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_local_keys(void) {
int ret = 1;
if (btif_config_exist("Adapter", "LE_LOCAL_KEY_IR"))
ret &= btif_config_remove("Adapter", "LE_LOCAL_KEY_IR");
if (btif_config_exist("Adapter", "LE_LOCAL_KEY_IRK"))
ret &= btif_config_remove("Adapter", "LE_LOCAL_KEY_IRK");
if (btif_config_exist("Adapter", "LE_LOCAL_KEY_DHK"))
ret &= btif_config_remove("Adapter", "LE_LOCAL_KEY_DHK");
if (btif_config_exist("Adapter", "LE_LOCAL_KEY_ER"))
ret &= btif_config_remove("Adapter", "LE_LOCAL_KEY_ER");
btif_config_save();
return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
}
static 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;
int addr_type;
bool device_added = false;
bool key_found = false;
if (!btif_config_get_int(remote_bd_addr, "DevType", &device_type))
return BT_STATUS_FAIL;
if ((device_type & BT_DEVICE_TYPE_BLE) == BT_DEVICE_TYPE_BLE ||
btif_has_ble_keys(remote_bd_addr)) {
BTIF_TRACE_DEBUG("%s Found a LE device: %s", __func__,
remote_bd_addr.c_str());
RawAddress bd_addr;
RawAddress::FromString(remote_bd_addr, 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);
}
btif_read_le_key(BTIF_DM_LE_KEY_PENC, sizeof(tBTM_LE_PENC_KEYS), bd_addr,
addr_type, add, &device_added, &key_found);
btif_read_le_key(BTIF_DM_LE_KEY_PID, sizeof(tBTM_LE_PID_KEYS), bd_addr,
addr_type, add, &device_added, &key_found);
btif_read_le_key(BTIF_DM_LE_KEY_LID, sizeof(tBTM_LE_PID_KEYS), bd_addr,
addr_type, add, &device_added, &key_found);
btif_read_le_key(BTIF_DM_LE_KEY_PCSRK, sizeof(tBTM_LE_PCSRK_KEYS), bd_addr,
addr_type, add, &device_added, &key_found);
btif_read_le_key(BTIF_DM_LE_KEY_LENC, sizeof(tBTM_LE_LENC_KEYS), bd_addr,
addr_type, add, &device_added, &key_found);
btif_read_le_key(BTIF_DM_LE_KEY_LCSRK, sizeof(tBTM_LE_LCSRK_KEYS), bd_addr,
addr_type, add, &device_added, &key_found);
// Fill in the bonded devices
if (device_added) {
p_bonded_devices->devices[p_bonded_devices->num_devices++] = bd_addr;
btif_gatts_add_bonded_dev_from_nv(bd_addr);
}
if (key_found) return BT_STATUS_SUCCESS;
}
return BT_STATUS_FAIL;
}
bt_status_t btif_storage_set_remote_addr_type(const RawAddress* remote_bd_addr,
uint8_t addr_type) {
int ret = btif_config_set_int(remote_bd_addr->ToString(), "AddrType",
(int)addr_type);
return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
}
bool btif_has_ble_keys(const std::string& bdstr) {
return btif_config_exist(bdstr, "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,
int* addr_type) {
int ret =
btif_config_get_int(remote_bd_addr->ToString(), "AddrType", addr_type);
return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL;
}
/*******************************************************************************
*
* Function btif_storage_add_hid_device_info
*
* Description BTIF storage API - Adds the hid information of bonded hid
* devices-to NVRAM
*
* Returns BT_STATUS_SUCCESS if the store was successful,
* BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_storage_add_hid_device_info(
RawAddress* remote_bd_addr, uint16_t attr_mask, uint8_t sub_class,
uint8_t app_id, uint16_t vendor_id, uint16_t product_id, uint16_t version,
uint8_t ctry_code, uint16_t ssr_max_latency, uint16_t ssr_min_tout,
uint16_t dl_len, uint8_t* dsc_list) {
BTIF_TRACE_DEBUG("btif_storage_add_hid_device_info:");
std::string bdstr = remote_bd_addr->ToString();
btif_config_set_int(bdstr, "HidAttrMask", attr_mask);
btif_config_set_int(bdstr, "HidSubClass", sub_class);
btif_config_set_int(bdstr, "HidAppId", app_id);
btif_config_set_int(bdstr, "HidVendorId", vendor_id);
btif_config_set_int(bdstr, "HidProductId", product_id);
btif_config_set_int(bdstr, "HidVersion", version);
btif_config_set_int(bdstr, "HidCountryCode", ctry_code);
btif_config_set_int(bdstr, "HidSSRMaxLatency", ssr_max_latency);
btif_config_set_int(bdstr, "HidSSRMinTimeout", ssr_min_tout);
if (dl_len > 0) btif_config_set_bin(bdstr, "HidDescriptor", dsc_list, dl_len);
btif_config_save();
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_storage_load_bonded_hid_info
*
* Description BTIF storage API - Loads hid info for all the bonded devices
* from NVRAM and adds those devices to the BTA_HH.
*
* Returns BT_STATUS_SUCCESS if successful, BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_storage_load_bonded_hid_info(void) {
// TODO: this code is not thread safe, it can corrupt config content.
// b/67595284
for (const section_t& section : btif_config_sections()) {
const std::string& name = section.name;
if (!RawAddress::IsValidAddress(name)) continue;
BTIF_TRACE_DEBUG("Remote device:%s", name.c_str());
int value;
if (!btif_config_get_int(name, "HidAttrMask", &value)) continue;
uint16_t attr_mask = (uint16_t)value;
if (btif_in_fetch_bonded_device(name) != BT_STATUS_SUCCESS) {
RawAddress bd_addr;
RawAddress::FromString(name, bd_addr);
btif_storage_remove_hid_info(&bd_addr);
continue;
}
tBTA_HH_DEV_DSCP_INFO dscp_info;
memset(&dscp_info, 0, sizeof(dscp_info));
btif_config_get_int(name, "HidSubClass", &value);
uint8_t sub_class = (uint8_t)value;
btif_config_get_int(name, "HidAppId", &value);
uint8_t app_id = (uint8_t)value;
btif_config_get_int(name, "HidVendorId", &value);
dscp_info.vendor_id = (uint16_t)value;
btif_config_get_int(name, "HidProductId", &value);
dscp_info.product_id = (uint16_t)value;
btif_config_get_int(name, "HidVersion", &value);
dscp_info.version = (uint8_t)value;
btif_config_get_int(name, "HidCountryCode", &value);
dscp_info.ctry_code = (uint8_t)value;
value = 0;
btif_config_get_int(name, "HidSSRMaxLatency", &value);
dscp_info.ssr_max_latency = (uint16_t)value;
value = 0;
btif_config_get_int(name, "HidSSRMinTimeout", &value);
dscp_info.ssr_min_tout = (uint16_t)value;
size_t len = btif_config_get_bin_length(name, "HidDescriptor");
if (len > 0) {
dscp_info.descriptor.dl_len = (uint16_t)len;
dscp_info.descriptor.dsc_list = (uint8_t*)alloca(len);
btif_config_get_bin(name, "HidDescriptor",
(uint8_t*)dscp_info.descriptor.dsc_list, &len);
}
RawAddress bd_addr;
RawAddress::FromString(name, bd_addr);
// add extracted information to BTA HH
if (btif_hh_add_added_dev(bd_addr, attr_mask)) {
BTA_HhAddDev(bd_addr, attr_mask, sub_class, app_id, dscp_info);
}
}
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_storage_remove_hid_info
*
* Description BTIF storage API - Deletes the bonded hid device info from
* NVRAM
*
* Returns BT_STATUS_SUCCESS if the deletion was successful,
* BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_storage_remove_hid_info(RawAddress* remote_bd_addr) {
std::string bdstr = remote_bd_addr->ToString();
btif_config_remove(bdstr, "HidAttrMask");
btif_config_remove(bdstr, "HidSubClass");
btif_config_remove(bdstr, "HidAppId");
btif_config_remove(bdstr, "HidVendorId");
btif_config_remove(bdstr, "HidProductId");
btif_config_remove(bdstr, "HidVersion");
btif_config_remove(bdstr, "HidCountryCode");
btif_config_remove(bdstr, "HidSSRMaxLatency");
btif_config_remove(bdstr, "HidSSRMinTimeout");
btif_config_remove(bdstr, "HidDescriptor");
btif_config_save();
return BT_STATUS_SUCCESS;
}
constexpr char HEARING_AID_PSM[] = "HearingAidPsm";
constexpr char HEARING_AID_CAPABILITIES[] = "HearingAidCapabilities";
constexpr char HEARING_AID_CODECS[] = "HearingAidCodecs";
constexpr char HEARING_AID_AUDIO_CONTROL_POINT[] =
"HearingAidAudioControlPoint";
constexpr char HEARING_AID_VOLUME_HANDLE[] = "HearingAidVolumeHandle";
constexpr char HEARING_AID_SYNC_ID[] = "HearingAidSyncId";
constexpr char HEARING_AID_RENDER_DELAY[] = "HearingAidRenderDelay";
constexpr char HEARING_AID_PREPARATION_DELAY[] = "HearingAidPreparationDelay";
constexpr char HEARING_AID_IS_WHITE_LISTED[] = "HearingAidIsWhiteListed";
void btif_storage_add_hearing_aid(const RawAddress& address, uint16_t psm,
uint8_t capabilities, uint16_t codecs,
uint16_t audio_control_point_handle,
uint16_t volume_handle, uint64_t hi_sync_id,
uint16_t render_delay,
uint16_t preparation_delay) {
do_in_jni_thread(
FROM_HERE,
Bind(
[](const RawAddress& address, uint16_t psm, uint8_t capabilities,
uint16_t codecs, uint16_t audio_control_point_handle,
uint16_t volume_handle, uint64_t hi_sync_id, uint16_t render_delay,
uint16_t preparation_delay) {
std::string bdstr = address.ToString();
VLOG(2) << "saving hearing aid device: " << bdstr;
btif_config_set_int(bdstr, HEARING_AID_PSM, psm);
btif_config_set_int(bdstr, HEARING_AID_CAPABILITIES, capabilities);
btif_config_set_int(bdstr, HEARING_AID_CODECS, codecs);
btif_config_set_int(bdstr, HEARING_AID_AUDIO_CONTROL_POINT,
audio_control_point_handle);
btif_config_set_int(bdstr, HEARING_AID_VOLUME_HANDLE,
volume_handle);
btif_config_set_uint64(bdstr, HEARING_AID_SYNC_ID, hi_sync_id);
btif_config_set_int(bdstr, HEARING_AID_RENDER_DELAY, render_delay);
btif_config_set_int(bdstr, HEARING_AID_PREPARATION_DELAY,
preparation_delay);
btif_config_set_int(bdstr, HEARING_AID_IS_WHITE_LISTED, true);
btif_config_save();
},
address, psm, capabilities, codecs, audio_control_point_handle,
volume_handle, hi_sync_id, render_delay, preparation_delay));
}
/** Loads information about bonded hearing aid devices */
void btif_storage_load_bonded_hearing_aids() {
// TODO: this code is not thread safe, it can corrupt config content.
// b/67595284
for (const section_t& section : btif_config_sections()) {
const std::string& name = section.name;
if (!RawAddress::IsValidAddress(name)) continue;
BTIF_TRACE_DEBUG("Remote device:%s", name.c_str());
int value;
if (!btif_config_get_int(name, HEARING_AID_PSM, &value)) continue;
uint16_t psm = value;
if (btif_in_fetch_bonded_device(name.c_str()) != BT_STATUS_SUCCESS) {
RawAddress bd_addr;
RawAddress::FromString(name, bd_addr);
btif_storage_remove_hearing_aid(bd_addr);
continue;
}
uint8_t capabilities = 0;
if (btif_config_get_int(name, HEARING_AID_CAPABILITIES, &value))
capabilities = value;
uint16_t codecs = 0;
if (btif_config_get_int(name, HEARING_AID_CODECS, &value)) codecs = value;
uint16_t audio_control_point_handle = 0;
if (btif_config_get_int(name, HEARING_AID_AUDIO_CONTROL_POINT, &value))
audio_control_point_handle = value;
uint16_t volume_handle = 0;
if (btif_config_get_int(name, HEARING_AID_VOLUME_HANDLE, &value))
volume_handle = value;
uint64_t lvalue;
uint64_t hi_sync_id = 0;
if (btif_config_get_uint64(name, HEARING_AID_SYNC_ID, &lvalue))
hi_sync_id = lvalue;
uint16_t render_delay = 0;
if (btif_config_get_int(name, HEARING_AID_RENDER_DELAY, &value))
render_delay = value;
uint16_t preparation_delay = 0;
if (btif_config_get_int(name, HEARING_AID_PREPARATION_DELAY, &value))
preparation_delay = value;
uint16_t is_white_listed = 0;
if (btif_config_get_int(name, HEARING_AID_IS_WHITE_LISTED, &value))
is_white_listed = value;
RawAddress bd_addr;
RawAddress::FromString(name, bd_addr);
// add extracted information to BTA Hearing Aid
do_in_bta_thread(
FROM_HERE,
Bind(&HearingAid::AddFromStorage, bd_addr, psm, capabilities, codecs,
audio_control_point_handle, volume_handle, hi_sync_id,
render_delay, preparation_delay, is_white_listed));
}
}
/** Deletes the bonded hearing aid device info from NVRAM */
void btif_storage_remove_hearing_aid(const RawAddress& address) {
std::string addrstr = address.ToString();
btif_config_remove(addrstr, HEARING_AID_PSM);
btif_config_remove(addrstr, HEARING_AID_CAPABILITIES);
btif_config_remove(addrstr, HEARING_AID_CODECS);
btif_config_remove(addrstr, HEARING_AID_AUDIO_CONTROL_POINT);
btif_config_remove(addrstr, HEARING_AID_VOLUME_HANDLE);
btif_config_remove(addrstr, HEARING_AID_SYNC_ID);
btif_config_remove(addrstr, HEARING_AID_IS_WHITE_LISTED);
btif_config_save();
}
/** Remove the hearing aid device from white list */
void btif_storage_remove_hearing_aid_white_list(const RawAddress& address) {
std::string addrstr = address.ToString();
btif_config_set_int(addrstr, HEARING_AID_IS_WHITE_LISTED, false);
}
/*******************************************************************************
*
* 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) {
return btif_config_exist(remote_bd_addr->ToString(), "Restricted");
}
/*******************************************************************************
* Function btif_storage_load_hidd
*
* Description Loads hidd bonded device and "plugs" it into hidd
*
* Returns BT_STATUS_SUCCESS if successful, BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_storage_load_hidd(void) {
// TODO: this code is not thread safe, it can corrupt config content.
// b/67595284
for (const section_t& section : btif_config_sections()) {
const std::string& name = section.name;
if (!RawAddress::IsValidAddress(name)) continue;
BTIF_TRACE_DEBUG("Remote device:%s", name.c_str());
int value;
if (btif_in_fetch_bonded_device(name) == BT_STATUS_SUCCESS) {
if (btif_config_get_int(name, "HidDeviceCabled", &value)) {
RawAddress bd_addr;
RawAddress::FromString(name, bd_addr);
BTA_HdAddDevice(bd_addr);
break;
}
}
}
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_storage_set_hidd
*
* Description Stores currently used HIDD device info in nvram and remove
* the "HidDeviceCabled" flag from unused devices
*
* Returns BT_STATUS_SUCCESS
*
******************************************************************************/
bt_status_t btif_storage_set_hidd(RawAddress* remote_bd_addr) {
std::string remote_device_address_string = remote_bd_addr->ToString();
for (const section_t& section : btif_config_sections()) {
if (!RawAddress::IsValidAddress(section.name)) continue;
if (section.name == remote_device_address_string) continue;
if (btif_in_fetch_bonded_device(section.name) == BT_STATUS_SUCCESS) {
btif_config_remove(section.name, "HidDeviceCabled");
}
}
btif_config_set_int(remote_device_address_string, "HidDeviceCabled", 1);
btif_config_save();
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
*
* Function btif_storage_remove_hidd
*
* Description Removes hidd bonded device info from nvram
*
* Returns BT_STATUS_SUCCESS
*
******************************************************************************/
bt_status_t btif_storage_remove_hidd(RawAddress* remote_bd_addr) {
btif_config_remove(remote_bd_addr->ToString(), "HidDeviceCabled");
btif_config_save();
return BT_STATUS_SUCCESS;
}
// 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 = BTM_MAX_REM_BD_NAME_LEN;
property.val = name;
return (btif_storage_get_remote_device_property(&bd_addr, &property) ==
BT_STATUS_SUCCESS);
}