1 /*
2 * Copyright 2020 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #ifndef BT_STACK_FUZZ_A2DP_CODECINFO_HELPERS_H_
18 #define BT_STACK_FUZZ_A2DP_CODECINFO_HELPERS_H_
19
20 // NOTE: This file should not be included directly.
21 // It is included by the corresponding "...Functions.h" file.
22
23 #include <fuzzer/FuzzedDataProvider.h>
24 #include <vector>
25 #include "a2dp_codec_api.h"
26 #include "bt_types.h"
27
28 // Keep a vector of any allocated codec_info objects.
29 // It will be up to the caller to free this array at the end of a fuzz loop
30 std::vector<uint8_t*> a2dp_codec_info_vect;
31
32 // Calls a function from the ops_vector
callArbitraryCodecInfoFunction(FuzzedDataProvider * fdp,std::vector<std::function<void (FuzzedDataProvider *,uint8_t *)>> ops_vector)33 void callArbitraryCodecInfoFunction(
34 FuzzedDataProvider* fdp,
35 std::vector<std::function<void(FuzzedDataProvider*, uint8_t*)>>
36 ops_vector) {
37 // Choose which function we'll be calling
38 uint8_t function_id =
39 fdp->ConsumeIntegralInRange<uint8_t>(0, ops_vector.size() - 1);
40
41 // Get a info object
42 uint8_t* codec_info =
43 getArbitraryVectorElement(fdp, a2dp_codec_info_vect, false);
44
45 // Most functions require a valid codec_info
46 if (codec_info || function_id == 0 || function_id == 25 ||
47 function_id == 26) {
48 // Call the function we've chosen
49 ops_vector[function_id](fdp, codec_info);
50 }
51 }
52
53 // Function to clean up and clear our allocated objects
cleanupA2dpCodecInfoFuzz()54 void cleanupA2dpCodecInfoFuzz() {
55 for (auto it : a2dp_codec_info_vect) {
56 if (it != nullptr) {
57 delete it;
58 }
59 }
60 a2dp_codec_info_vect.clear();
61 }
62
63 #endif // BT_STACK_FUZZ_A2DP_CODECINFO_HELPERS_H_
64