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
interop_feature_string(const interop_feature_t feature)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
interop_match(const interop_feature_t feature,const bt_bdaddr_t * addr)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