1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "setaudiodevice_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #define private public
21 #include "addcalltoken_fuzzer.h"
22
23 using namespace OHOS::Telephony;
24 namespace OHOS {
25 constexpr int32_t AUDIO_DEVICE_NUM = 6;
26
SetAudioDevice(const uint8_t * data,size_t size)27 void SetAudioDevice(const uint8_t *data, size_t size)
28 {
29 if (!IsServiceInited()) {
30 return;
31 }
32 std::string address(reinterpret_cast<const char *>(data), size);
33 AudioDevice audioDevice;
34 if (memset_s(&audioDevice, sizeof(AudioDevice), 0, sizeof(AudioDevice)) != EOK) {
35 TELEPHONY_LOGE("memset_s fail");
36 return;
37 }
38 audioDevice.deviceType = static_cast<AudioDeviceType>(size % AUDIO_DEVICE_NUM);
39 if (address.length() > kMaxAddressLen) {
40 TELEPHONY_LOGE("address is not too long");
41 return;
42 }
43 if (memcpy_s(audioDevice.address, kMaxAddressLen, address.c_str(), address.length()) != EOK) {
44 return;
45 }
46 MessageParcel dataParcel;
47 dataParcel.WriteRawData((const void *)&audioDevice, sizeof(AudioDevice));
48 dataParcel.RewindRead(0);
49
50 MessageParcel reply;
51 DelayedSingleton<CallManagerService>::GetInstance()->OnSetAudioDevice(dataParcel, reply);
52 }
53
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)54 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
55 {
56 if (data == nullptr || size == 0) {
57 return;
58 }
59
60 SetAudioDevice(data, size);
61 }
62 } // namespace OHOS
63
64 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)65 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
66 {
67 OHOS::AddCallTokenFuzzer token;
68 /* Run your code on data */
69 OHOS::DoSomethingInterestingWithMyAPI(data, size);
70 return 0;
71 }
72