1 /****************************************************************************** 2 * 3 * Copyright (C) 2015 Google, Inc. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 #define LOG_TAG "bt_device_interop" 20 21 #include <assert.h> 22 #include <string.h> // For memcmp 23 24 #include "device/include/interop.h" 25 #include "device/include/interop_database.h" 26 #include "osi/include/log.h" 27 28 #define CASE_RETURN_STR(const) case const: return #const; 29 30 static const char* interop_feature_string(const interop_feature_t feature) { 31 switch (feature) { 32 CASE_RETURN_STR(INTEROP_DISABLE_LE_SECURE_CONNECTIONS) 33 CASE_RETURN_STR(INTEROP_AUTO_RETRY_PAIRING) 34 } 35 36 return "UNKNOWN"; 37 } 38 39 // Interface functions 40 41 bool interop_match(const interop_feature_t feature, const bt_bdaddr_t *addr) { 42 assert(addr); 43 44 const size_t db_size = sizeof(interop_database) / sizeof(interop_entry_t); 45 46 for (size_t i = 0; i != db_size; ++i) { 47 if (feature == interop_database[i].feature && 48 memcmp(addr, &interop_database[i].addr, interop_database[i].len) == 0) { 49 char bdstr[20] = {0}; 50 LOG_WARN("%s() Device %s is a match for interop workaround %s", __func__, 51 bdaddr_to_string(addr, bdstr, sizeof(bdstr)), interop_feature_string(feature)); 52 return true; 53 } 54 } 55 56 return false; 57 } 58
