1 /*
2 * Copyright (c) 2025 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 #include <cstring>
20 #include "audio_info.h"
21 #include "audio_policy_server.h"
22 #include "audio_policy_service.h"
23 #include "audio_device_info.h"
24 #include "audio_utils.h"
25 #include "accesstoken_kit.h"
26 #include "nativetoken_kit.h"
27 #include "token_setproc.h"
28 #include "access_token.h"
29 #include "audio_channel_blend.h"
30 #include "volume_ramp.h"
31 #include "audio_speed.h"
32
33 #include "audio_policy_utils.h"
34 #include "audio_stream_descriptor.h"
35 #include "audio_limiter_manager.h"
36 #include "dfx_msg_manager.h"
37
38 #include "audio_source_clock.h"
39 #include "capturer_clock.h"
40 #include "capturer_clock_manager.h"
41
42 namespace OHOS {
43 namespace AudioStandard {
44 using namespace std;
45
46 static const uint8_t* RAW_DATA = nullptr;
47 static size_t g_dataSize = 0;
48 static size_t g_pos;
49 const size_t THRESHOLD = 10;
50 const uint8_t TESTSIZE = 5;
51 static int32_t NUM_2 = 2;
52 constexpr uint64_t MOCK_POSITION_INC = 960;
53 constexpr uint32_t MOCK_SAMPLE_RATE = 48000;
54 constexpr uint32_t MOCK_SAMPLE_RATE_2 = 96000;
55 constexpr uint64_t MOCK_TIMESTAMP_1 = 1000000000;
56 constexpr uint64_t MOCK_TIMESTAMP_2 = 1020000000;
57 constexpr uint64_t MOCK_TIMESTAMP_4 = 1100000000;
58 constexpr uint64_t MOCK_TIMESTAMP_5 = 1120000000;
59 constexpr uint64_t MOCK_POSITION_1 = 0;
60 constexpr uint64_t MOCK_POSITION_2 = 960;
61 constexpr uint64_t MOCK_POSITION_3 = 1920;
62 constexpr uint64_t MOCK_POSITION_4 = 2880;
63 constexpr uint64_t MOCK_POSITION_5 = 3840;
64
65 typedef void (*TestFuncs)();
66
67 template<class T>
GetData()68 T GetData()
69 {
70 T object {};
71 size_t objectSize = sizeof(object);
72 if (RAW_DATA == nullptr || objectSize > g_dataSize - g_pos) {
73 return object;
74 }
75 errno_t ret = memcpy_s(&object, objectSize, RAW_DATA + g_pos, objectSize);
76 if (ret != EOK) {
77 return {};
78 }
79 g_pos += objectSize;
80 return object;
81 }
82
83 template<class T>
GetArrLength(T & arr)84 uint32_t GetArrLength(T& arr)
85 {
86 if (arr == nullptr) {
87 AUDIO_INFO_LOG("%{public}s: The array length is equal to 0", __func__);
88 return 0;
89 }
90 return sizeof(arr) / sizeof(arr[0]);
91 }
92
GetMediaRenderDeviceFuzzTest()93 void GetMediaRenderDeviceFuzzTest()
94 {
95 CapturerClockManager::GetInstance().CreateCapturerClock(1, MOCK_SAMPLE_RATE);
96 CapturerClockManager::GetInstance().CreateCapturerClock(1, MOCK_SAMPLE_RATE);
97 CapturerClockManager::GetInstance().GetCapturerClock(1);
98 CapturerClockManager::GetInstance().GetCapturerClock(0);
99 CapturerClockManager::GetInstance().DeleteCapturerClock(1);
100 }
101
GetRecordCaptureDeviceFuzzTest()102 void GetRecordCaptureDeviceFuzzTest()
103 {
104 shared_ptr<AudioSourceClock> srcClock = make_shared<AudioSourceClock>();
105 CapturerClockManager::GetInstance().audioSrcClockPool_.size();
106 CapturerClockManager::GetInstance().RegisterAudioSourceClock(1, srcClock);
107 CapturerClockManager::GetInstance().RegisterAudioSourceClock(1, srcClock);
108 CapturerClockManager::GetInstance().audioSrcClockPool_.size();
109
110 CapturerClockManager::GetInstance().GetAudioSourceClock(1);
111 CapturerClockManager::GetInstance().GetAudioSourceClock(0);
112 CapturerClockManager::GetInstance().audioSrcClockPool_.size();
113
114 CapturerClockManager::GetInstance().DeleteAudioSourceClock(1);
115 CapturerClockManager::GetInstance().audioSrcClockPool_.size();
116 }
117
CaptureClockStartAndStopFuzzTest()118 void CaptureClockStartAndStopFuzzTest()
119 {
120 uint32_t capturerSampleRate = GetData<uint32_t>();
121 CapturerClock clock(capturerSampleRate);
122 clock.Start();
123 uint64_t time = GetData<uint64_t>();
124 uint32_t srcSampleRate = GetData<uint32_t>();
125 uint64_t posIncSize = GetData<uint64_t>();
126
127 clock.SetTimeStampByPosition(time, srcSampleRate, posIncSize);
128 clock.Stop();
129 }
130
GetTimeStampByPositionNormalFuzzTest()131 void GetTimeStampByPositionNormalFuzzTest()
132 {
133 CapturerClockManager::GetInstance().CreateCapturerClock(1, MOCK_SAMPLE_RATE);
134 std::shared_ptr<CapturerClock> capturerClock_ = CapturerClockManager::GetInstance().GetCapturerClock(1);
135 if (capturerClock_ == nullptr) {
136 return;
137 }
138 capturerClock_->SetTimeStampByPosition(MOCK_TIMESTAMP_1, MOCK_SAMPLE_RATE, MOCK_POSITION_INC);
139
140 capturerClock_->Start();
141 capturerClock_->SetTimeStampByPosition(MOCK_TIMESTAMP_1, MOCK_SAMPLE_RATE, MOCK_POSITION_INC);
142 capturerClock_->SetTimeStampByPosition(MOCK_TIMESTAMP_2, MOCK_SAMPLE_RATE, MOCK_POSITION_INC);
143 uint64_t timestamp;
144 capturerClock_->GetTimeStampByPosition(MOCK_POSITION_1, timestamp);
145 capturerClock_->GetTimeStampByPosition(MOCK_POSITION_2, timestamp);
146 capturerClock_->GetTimeStampByPosition(MOCK_POSITION_3, timestamp);
147 capturerClock_->Stop();
148 CapturerClockManager::GetInstance().DeleteCapturerClock(1);
149 }
150
GetTimeStampByPositionDifferentFuzzTest()151 void GetTimeStampByPositionDifferentFuzzTest()
152 {
153 CapturerClockManager::GetInstance().CreateCapturerClock(1, MOCK_SAMPLE_RATE);
154 std::shared_ptr<CapturerClock> capturerClock_ = CapturerClockManager::GetInstance().GetCapturerClock(1);
155 if (capturerClock_ == nullptr) {
156 return;
157 }
158 capturerClock_->Start();
159
160 capturerClock_->SetTimeStampByPosition(MOCK_TIMESTAMP_4, MOCK_SAMPLE_RATE_2, MOCK_POSITION_INC * NUM_2);
161 capturerClock_->SetTimeStampByPosition(MOCK_TIMESTAMP_5, MOCK_SAMPLE_RATE_2, MOCK_POSITION_INC * NUM_2);
162
163 uint64_t timestamp;
164 capturerClock_->GetTimeStampByPosition(MOCK_POSITION_4, timestamp);
165 capturerClock_->GetTimeStampByPosition(MOCK_POSITION_5, timestamp);
166 CapturerClockManager::GetInstance().DeleteCapturerClock(1);
167 }
168
169 TestFuncs g_testFuncs[TESTSIZE] = {
170 GetMediaRenderDeviceFuzzTest,
171 GetRecordCaptureDeviceFuzzTest,
172 CaptureClockStartAndStopFuzzTest,
173 GetTimeStampByPositionNormalFuzzTest,
174 GetTimeStampByPositionDifferentFuzzTest,
175 };
176
FuzzTest(const uint8_t * rawData,size_t size)177 bool FuzzTest(const uint8_t* rawData, size_t size)
178 {
179 if (rawData == nullptr) {
180 return false;
181 }
182
183 // initialize data
184 RAW_DATA = rawData;
185 g_dataSize = size;
186 g_pos = 0;
187
188 uint32_t code = GetData<uint32_t>();
189 uint32_t len = GetArrLength(g_testFuncs);
190 if (len > 0) {
191 g_testFuncs[code % len]();
192 } else {
193 AUDIO_INFO_LOG("%{public}s: The len length is equal to 0", __func__);
194 }
195
196 return true;
197 }
198 } // namespace AudioStandard
199 } // namesapce OHOS
200
201 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)202 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
203 {
204 if (size < OHOS::AudioStandard::THRESHOLD) {
205 return 0;
206 }
207
208 OHOS::AudioStandard::FuzzTest(data, size);
209 return 0;
210 }
211