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 <iostream>
17 #include <cstddef>
18 #include <cstdint>
19
20 #include "message_parcel.h"
21
22 #include "audio_manager_base.h"
23 #include "audio_server.h"
24 using namespace std;
25
26 namespace OHOS {
27 namespace AudioStandard {
28 const int32_t SYSTEM_ABILITY_ID = 3001;
29 const bool RUN_ON_CREATE = false;
30 const int32_t LIMITSIZE = 4;
31
Convert2Float(const uint8_t * ptr)32 float Convert2Float(const uint8_t *ptr)
33 {
34 float floatValue = static_cast<float>(*ptr);
35 return floatValue / 128.0f - 1.0f;
36 }
37
AudioServerBalanceFuzzer(const uint8_t * rawData,size_t size,std::shared_ptr<AudioServer> AudioServerPtr)38 void AudioServerBalanceFuzzer(const uint8_t *rawData, size_t size, std::shared_ptr<AudioServer> AudioServerPtr)
39 {
40 float balanceValue = Convert2Float(rawData);
41 MessageParcel data;
42 data.WriteFloat(balanceValue);
43 MessageParcel reply;
44 MessageOption option;
45 AudioServerPtr->OnRemoteRequest(AudioManagerStub::SET_AUDIO_BALANCE_VALUE, data, reply, option);
46 }
47
Convert2Bool(const uint8_t * ptr)48 bool Convert2Bool(const uint8_t *ptr)
49 {
50 return (ptr[0] & 1) ? true : false;
51 }
52
AudioServerMonoFuzzer(const uint8_t * rawData,size_t size,std::shared_ptr<AudioServer> AudioServerPtr)53 void AudioServerMonoFuzzer(const uint8_t *rawData, size_t size, std::shared_ptr<AudioServer> AudioServerPtr)
54 {
55 bool monoState = Convert2Bool(rawData);
56 MessageParcel data;
57 data.WriteBool(monoState);
58 MessageParcel reply;
59 MessageOption option;
60 AudioServerPtr->OnRemoteRequest(AudioManagerStub::SET_AUDIO_MONO_STATE, data, reply, option);
61 }
62
AudioServerBalanceFuzzTest(const uint8_t * rawData,size_t size)63 void AudioServerBalanceFuzzTest(const uint8_t *rawData, size_t size)
64 {
65 if (rawData == nullptr || size < LIMITSIZE) {
66 return;
67 }
68 std::shared_ptr<AudioServer> AudioServerPtr =
69 std::make_shared<AudioServer>(SYSTEM_ABILITY_ID, RUN_ON_CREATE);
70 AudioServerBalanceFuzzer(rawData, size, AudioServerPtr);
71 AudioServerMonoFuzzer(rawData, size, AudioServerPtr);
72 }
73 } // namespace AudioStandard
74 } // namesapce OHOS
75
76 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)77 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
78 {
79 /* Run your code on data */
80 OHOS::AudioStandard::AudioServerBalanceFuzzTest(data, size);
81 return 0;
82 }
83