/****************************************************************************** * * 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 #include #include #include #include #include #include "bt_common.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_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_LOCAL_IO_CAPS "LocalIOCaps" #define BTIF_STORAGE_KEY_LOCAL_IO_CAPS_BLE "LocalIOCapsBLE" #define BTIF_STORAGE_KEY_ADAPTER_DISC_TIMEOUT "DiscoveryTimeout" #define BTIF_STORAGE_KEY_GATT_CLIENT_SUPPORTED "GattClientSupportedFeatures" #define BTIF_STORAGE_KEY_GATT_CLIENT_DB_HASH "GattClientDatabaseHash" #define BTIF_STORAGE_KEY_GATT_SERVER_SUPPORTED "GattServerSupportedFeatures" /* 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> LIST< <36 char uuid> <;> > */ #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> LIST > > > */ #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(); } char value[1024]; if (prop->len <= 0 || prop->len > (int)sizeof(value) - 1) { LOG_WARN( "Unable to save property to configuration file 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); btif_config_flush(); } 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_LOCAL_IO_CAPS: btif_config_set_int("Adapter", BTIF_STORAGE_KEY_LOCAL_IO_CAPS, *(int*)prop->val); break; case BT_PROPERTY_LOCAL_IO_CAPS_BLE: btif_config_set_int("Adapter", BTIF_STORAGE_KEY_LOCAL_IO_CAPS_BLE, *(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(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, BT_CONFIG_KEY_REMOTE_VER_MFCT, info->manufacturer); btif_config_set_int(bdstr, BT_CONFIG_KEY_REMOTE_VER_VER, info->version); btif_config_set_int(bdstr, BT_CONFIG_KEY_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(); } if (prop->len <= 0) { LOG_WARN("Invalid property read from configuration file type:%d, len:%d", 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_LOCAL_IO_CAPS: if (prop->len >= (int)sizeof(int)) ret = btif_config_get_int("Adapter", BTIF_STORAGE_KEY_LOCAL_IO_CAPS, (int*)prop->val); break; case BT_PROPERTY_LOCAL_IO_CAPS_BLE: if (prop->len >= (int)sizeof(int)) ret = btif_config_get_int("Adapter", BTIF_STORAGE_KEY_LOCAL_IO_CAPS_BLE, (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(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, BT_CONFIG_KEY_REMOTE_VER_MFCT, &info->manufacturer); if (ret) ret = btif_config_get_int(bdstr, BT_CONFIG_KEY_REMOTE_VER_VER, &info->version); if (ret) ret = btif_config_get_int(bdstr, BT_CONFIG_KEY_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; LinkKey link_key; size_t size = link_key.size(); if (btif_config_get_bin(bdstr, "LinkKey", link_key.data(), &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)) { 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; for (const auto& bd_addr : btif_config_get_paired_devices()) { auto name = bd_addr.ToString(); BTIF_TRACE_DEBUG("Remote device:%s", name.c_str()); LinkKey link_key; size_t size = sizeof(link_key); if (btif_config_get_bin(name, "LinkKey", link_key.data(), &size)) { int linkkey_type; if (btif_config_get_int(name, "LinkKeyType", &linkkey_type)) { 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, (uint8_t)linkkey_type, 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, add, p_bonded_devices) && !bt_linkkey_file_found) { LOG_VERBOSE("No link key or ble key found for device:%s", 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 tBLE_ADDR_TYPE 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; } /** * Helper function for fetching a local Input/Output capability property. If not * set, it returns the default value. */ static uint8_t btif_storage_get_io_cap_property(bt_property_type_t type, uint8_t default_value) { char buf[sizeof(int)]; bt_property_t property; property.type = type; property.val = (void*)buf; property.len = sizeof(int); bt_status_t ret = btif_storage_get_adapter_property(&property); return (ret == BT_STATUS_SUCCESS) ? (uint8_t)(*(int*)property.val) : default_value; } /******************************************************************************* * * Function btif_storage_get_io_caps * * Description BTIF storage API - Fetches the local Input/Output * capabilities of the device. * * Returns Returns local IO Capability of device. If not stored, * returns BTM_LOCAL_IO_CAPS. * ******************************************************************************/ uint8_t btif_storage_get_local_io_caps() { return btif_storage_get_io_cap_property(BT_PROPERTY_LOCAL_IO_CAPS, BTM_LOCAL_IO_CAPS); } /******************************************************************************* * * Function btif_storage_get_io_caps_ble * * Description BTIF storage API - Fetches the local Input/Output * capabilities of the BLE device. * * Returns Returns local IO Capability of BLE device. If not stored, * returns BTM_LOCAL_IO_CAPS_BLE. * ******************************************************************************/ uint8_t btif_storage_get_local_io_caps_ble() { return btif_storage_get_io_cap_property(BT_PROPERTY_LOCAL_IO_CAPS_BLE, BTM_LOCAL_IO_CAPS_BLE); } /******************************************************************************* * * 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("%s: Controller not ready! Unable to return Bluetooth Address", __func__); *bd_addr = RawAddress::kEmpty; return BT_STATUS_FAIL; } else { LOG_ERROR("%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(property->val); uint32_t num_uuids = 0; uint32_t i; tBTA_SERVICE_MASK service_mask = btif_get_enabled_services_mask(); LOG_INFO("%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++; } 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_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, LinkKey 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.data(), link_key.size()); 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(); LOG_INFO("Removing bonded device 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); } if (btif_config_exist(bdstr, BTIF_STORAGE_KEY_GATT_CLIENT_SUPPORTED)) { ret &= btif_config_remove(bdstr, BTIF_STORAGE_KEY_GATT_CLIENT_SUPPORTED); } if (btif_config_exist(bdstr, BTIF_STORAGE_KEY_GATT_CLIENT_DB_HASH)) { ret &= btif_config_remove(bdstr, BTIF_STORAGE_KEY_GATT_CLIENT_DB_HASH); } if (btif_config_exist(bdstr, BTIF_STORAGE_KEY_GATT_SERVER_SUPPORTED)) { ret &= btif_config_remove(bdstr, BTIF_STORAGE_KEY_GATT_SERVER_SUPPORTED); } /* write bonded info immediately */ btif_config_flush(); return ret ? BT_STATUS_SUCCESS : BT_STATUS_FAIL; } /* 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 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) { android_errorWriteLog(0x534e4554, "128437297"); LOG(ERROR) << __func__ << ": removing bond to device using test TLK: " << address; btif_storage_remove_bonded_device(&address); } } /******************************************************************************* * * 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; 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 */ 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 BTM_LE_KEY_PENC: name = "LE_KEY_PENC"; break; case BTM_LE_KEY_PID: name = "LE_KEY_PID"; break; case BTM_LE_KEY_PCSRK: name = "LE_KEY_PCSRK"; break; case BTM_LE_KEY_LENC: name = "LE_KEY_LENC"; break; case BTM_LE_KEY_LCSRK: name = "LE_KEY_LCSRK"; break; case BTM_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(const RawAddress& remote_bd_addr, uint8_t key_type, uint8_t* key_value, int key_length) { const char* name; switch (key_type) { case BTM_LE_KEY_PENC: name = "LE_KEY_PENC"; break; case BTM_LE_KEY_PID: name = "LE_KEY_PID"; break; case BTM_LE_KEY_PCSRK: name = "LE_KEY_PCSRK"; break; case BTM_LE_KEY_LENC: name = "LE_KEY_LENC"; break; case BTM_LE_KEY_LCSRK: name = "LE_KEY_LCSRK"; break; case BTM_LE_KEY_LID: name = "LE_KEY_LID"; break; 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(); LOG_INFO("Removing bonding keys for bd addr:%s", 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(const Octet16& key, uint8_t key_type) { 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, key.data(), key.size()); btif_config_save(); return ret ? BT_STATUS_SUCCESS : 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) { 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_value->size(); int ret = btif_config_get_bin("Adapter", name, key_value->data(), &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; tBLE_ADDR_TYPE 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(BTM_LE_KEY_PENC, sizeof(tBTM_LE_PENC_KEYS), bd_addr, addr_type, add, &device_added, &key_found); btif_read_le_key(BTM_LE_KEY_PID, sizeof(tBTM_LE_PID_KEYS), bd_addr, addr_type, add, &device_added, &key_found); btif_read_le_key(BTM_LE_KEY_LID, sizeof(tBTM_LE_PID_KEYS), bd_addr, addr_type, add, &device_added, &key_found); btif_read_le_key(BTM_LE_KEY_PCSRK, sizeof(tBTM_LE_PCSRK_KEYS), bd_addr, addr_type, add, &device_added, &key_found); btif_read_le_key(BTM_LE_KEY_LENC, sizeof(tBTM_LE_LENC_KEYS), bd_addr, addr_type, add, &device_added, &key_found); btif_read_le_key(BTM_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, tBLE_ADDR_TYPE 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, tBLE_ADDR_TYPE* addr_type) { int val; int ret = btif_config_get_int(remote_bd_addr->ToString(), "AddrType", &val); *addr_type = static_cast(val); 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) { for (const auto& bd_addr : btif_config_get_paired_devices()) { auto name = bd_addr.ToString(); 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) { 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); } // 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(const 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_READ_PSM_HANDLE[] = "HearingAidReadPsmHandle"; 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_AUDIO_STATUS_HANDLE[] = "HearingAidAudioStatusHandle"; constexpr char HEARING_AID_AUDIO_STATUS_CCC_HANDLE[] = "HearingAidAudioStatusCccHandle"; constexpr char HEARING_AID_SERVICE_CHANGED_CCC_HANDLE[] = "HearingAidServiceChangedCccHandle"; 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_ACCEPTLISTED[] = "HearingAidIsAcceptlisted"; void btif_storage_add_hearing_aid(const HearingDevice& dev_info) { do_in_jni_thread( FROM_HERE, Bind( [](const HearingDevice& dev_info) { std::string bdstr = dev_info.address.ToString(); VLOG(2) << "saving hearing aid device: " << bdstr; btif_config_set_int(bdstr, HEARING_AID_SERVICE_CHANGED_CCC_HANDLE, dev_info.service_changed_ccc_handle); btif_config_set_int(bdstr, HEARING_AID_READ_PSM_HANDLE, dev_info.read_psm_handle); btif_config_set_int(bdstr, HEARING_AID_CAPABILITIES, dev_info.capabilities); btif_config_set_int(bdstr, HEARING_AID_CODECS, dev_info.codecs); btif_config_set_int(bdstr, HEARING_AID_AUDIO_CONTROL_POINT, dev_info.audio_control_point_handle); btif_config_set_int(bdstr, HEARING_AID_VOLUME_HANDLE, dev_info.volume_handle); btif_config_set_int(bdstr, HEARING_AID_AUDIO_STATUS_HANDLE, dev_info.audio_status_handle); btif_config_set_int(bdstr, HEARING_AID_AUDIO_STATUS_CCC_HANDLE, dev_info.audio_status_ccc_handle); btif_config_set_uint64(bdstr, HEARING_AID_SYNC_ID, dev_info.hi_sync_id); btif_config_set_int(bdstr, HEARING_AID_RENDER_DELAY, dev_info.render_delay); btif_config_set_int(bdstr, HEARING_AID_PREPARATION_DELAY, dev_info.preparation_delay); btif_config_set_int(bdstr, HEARING_AID_IS_ACCEPTLISTED, true); btif_config_save(); }, dev_info)); } /** Loads information about bonded hearing aid devices */ void btif_storage_load_bonded_hearing_aids() { for (const auto& bd_addr : btif_config_get_paired_devices()) { const std::string& name = bd_addr.ToString(); int size = STORAGE_UUID_STRING_SIZE * HEARINGAID_MAX_NUM_UUIDS; char uuid_str[size]; bool isHearingaidDevice = false; if (btif_config_get_str(name, BTIF_STORAGE_PATH_REMOTE_SERVICE, uuid_str, &size)) { Uuid p_uuid[HEARINGAID_MAX_NUM_UUIDS]; size_t num_uuids = btif_split_uuids_string(uuid_str, p_uuid, HEARINGAID_MAX_NUM_UUIDS); for (size_t i = 0; i < num_uuids; i++) { if (p_uuid[i] == Uuid::FromString("FDF0")) { isHearingaidDevice = true; break; } } } if (!isHearingaidDevice) { continue; } BTIF_TRACE_DEBUG("Remote device:%s", name.c_str()); if (btif_in_fetch_bonded_device(name) != BT_STATUS_SUCCESS) { btif_storage_remove_hearing_aid(bd_addr); continue; } int value; 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 audio_status_handle = 0; if (btif_config_get_int(name, HEARING_AID_AUDIO_STATUS_HANDLE, &value)) audio_status_handle = value; uint16_t audio_status_ccc_handle = 0; if (btif_config_get_int(name, HEARING_AID_AUDIO_STATUS_CCC_HANDLE, &value)) audio_status_ccc_handle = value; uint16_t service_changed_ccc_handle = 0; if (btif_config_get_int(name, HEARING_AID_SERVICE_CHANGED_CCC_HANDLE, &value)) service_changed_ccc_handle = value; uint16_t volume_handle = 0; if (btif_config_get_int(name, HEARING_AID_VOLUME_HANDLE, &value)) volume_handle = value; uint16_t read_psm_handle = 0; if (btif_config_get_int(name, HEARING_AID_READ_PSM_HANDLE, &value)) read_psm_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_acceptlisted = 0; if (btif_config_get_int(name, HEARING_AID_IS_ACCEPTLISTED, &value)) is_acceptlisted = value; // add extracted information to BTA Hearing Aid do_in_main_thread( FROM_HERE, Bind(&HearingAid::AddFromStorage, HearingDevice(bd_addr, capabilities, codecs, audio_control_point_handle, audio_status_handle, audio_status_ccc_handle, service_changed_ccc_handle, volume_handle, read_psm_handle, hi_sync_id, render_delay, preparation_delay), is_acceptlisted)); } } /** 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_READ_PSM_HANDLE); 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_AUDIO_STATUS_HANDLE); btif_config_remove(addrstr, HEARING_AID_AUDIO_STATUS_CCC_HANDLE); btif_config_remove(addrstr, HEARING_AID_SERVICE_CHANGED_CCC_HANDLE); btif_config_remove(addrstr, HEARING_AID_SYNC_ID); btif_config_remove(addrstr, HEARING_AID_RENDER_DELAY); btif_config_remove(addrstr, HEARING_AID_PREPARATION_DELAY); btif_config_remove(addrstr, HEARING_AID_IS_ACCEPTLISTED); btif_config_save(); } /** Set/Unset the hearing aid device HEARING_AID_IS_ACCEPTLISTED flag. */ void btif_storage_set_hearing_aid_acceptlist(const RawAddress& address, bool add_to_acceptlist) { std::string addrstr = address.ToString(); btif_config_set_int(addrstr, HEARING_AID_IS_ACCEPTLISTED, add_to_acceptlist); btif_config_save(); } /** Get the hearing aid device properties. */ bool btif_storage_get_hearing_aid_prop( const RawAddress& address, uint8_t* capabilities, uint64_t* hi_sync_id, uint16_t* render_delay, uint16_t* preparation_delay, uint16_t* codecs) { std::string addrstr = address.ToString(); int value; if (btif_config_get_int(addrstr, HEARING_AID_CAPABILITIES, &value)) { *capabilities = value; } else { return false; } if (btif_config_get_int(addrstr, HEARING_AID_CODECS, &value)) { *codecs = value; } else { return false; } if (btif_config_get_int(addrstr, HEARING_AID_RENDER_DELAY, &value)) { *render_delay = value; } else { return false; } if (btif_config_get_int(addrstr, HEARING_AID_PREPARATION_DELAY, &value)) { *preparation_delay = value; } else { return false; } uint64_t lvalue; if (btif_config_get_uint64(addrstr, HEARING_AID_SYNC_ID, &lvalue)) { *hi_sync_id = lvalue; } else { return false; } return true; } /** 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( FROM_HERE, Bind( [](const RawAddress& addr, uint8_t feat) { std::string bdstr = addr.ToString(); VLOG(2) << "GATT server supported features for: " << bdstr << " features: " << +feat; btif_config_set_int( bdstr, BTIF_STORAGE_KEY_GATT_SERVER_SUPPORTED, feat); btif_config_save(); }, 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); BTIF_TRACE_DEBUG("Remote device: %s GATT server supported features 0x%02x", name.c_str(), 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) { return btif_config_exist(remote_bd_addr->ToString(), "Restricted"); } int btif_storage_get_num_bonded_devices(void) { btif_bonded_devices_t bonded_devices; btif_in_fetch_bonded_devices(&bonded_devices, 0); return bonded_devices.num_devices; } /******************************************************************************* * 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) { for (const auto& bd_addr : btif_config_get_paired_devices()) { auto name = bd_addr.ToString(); 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)) { 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(const RawAddress& remote_bd_addr) { std::string remote_device_address_string = remote_bd_addr.ToString(); for (const auto& bd_addr : btif_config_get_paired_devices()) { auto name = bd_addr.ToString(); if (bd_addr == remote_bd_addr) continue; if (btif_in_fetch_bonded_device(name) == BT_STATUS_SUCCESS) { btif_config_remove(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); } /** 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( FROM_HERE, Bind( [](const RawAddress& bd_addr, uint8_t feat) { std::string bdstr = bd_addr.ToString(); VLOG(2) << "saving gatt client supported feat: " << bdstr; btif_config_set_int( bdstr, BTIF_STORAGE_KEY_GATT_CLIENT_SUPPORTED, feat); btif_config_save(); }, 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); BTIF_TRACE_DEBUG("Remote device: %s GATT client supported features 0x%02x", name.c_str(), value); return value; } /** Remove client supported features */ void btif_storage_remove_gatt_cl_supp_feat(const RawAddress& bd_addr) { do_in_jni_thread( FROM_HERE, 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); btif_config_save(); } }, 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(FROM_HERE, 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()); btif_config_save(); }, 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(FROM_HERE, 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); btif_config_save(); } }, bd_addr)); }