1 /*
2 * Copyright (c) 2024 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 "media_manager_fuzzer.h"
17 #include "message_parcel.h"
18 #include "securec.h"
19 #include "camera_log.h"
20
21 namespace OHOS {
22 namespace CameraStandard {
23 using namespace DeferredProcessing;
24 static constexpr int32_t MAX_CODE_LEN = 512;
25 static constexpr int32_t MIN_SIZE_NUM = 4;
26 static const uint8_t* RAW_DATA = nullptr;
27 const size_t THRESHOLD = 10;
28 static size_t g_dataSize = 0;
29 static size_t g_pos;
30 std::shared_ptr<MediaManager> MediaManagerFuzzer::fuzz_{nullptr};
31
32 /*
33 * describe: get data from outside untrusted data(g_data) which size is according to sizeof(T)
34 * tips: only support basic type
35 */
36 template<class T>
GetData()37 T GetData()
38 {
39 T object {};
40 size_t objectSize = sizeof(object);
41 if (RAW_DATA == nullptr || objectSize > g_dataSize - g_pos) {
42 return object;
43 }
44 errno_t ret = memcpy_s(&object, objectSize, RAW_DATA + g_pos, objectSize);
45 if (ret != EOK) {
46 return {};
47 }
48 g_pos += objectSize;
49 return object;
50 }
51
52 template<class T>
GetArrLength(T & arr)53 uint32_t GetArrLength(T& arr)
54 {
55 if (arr == nullptr) {
56 MEDIA_INFO_LOG("%{public}s: The array length is equal to 0", __func__);
57 return 0;
58 }
59 return sizeof(arr) / sizeof(arr[0]);
60 }
61
MediaManagerFuzzTest()62 void MediaManagerFuzzer::MediaManagerFuzzTest()
63 {
64 if ((RAW_DATA == nullptr) || (g_dataSize > MAX_CODE_LEN) || (g_dataSize < MIN_SIZE_NUM)) {
65 return;
66 }
67 fuzz_ = std::make_shared<MediaManager>();
68 CHECK_ERROR_RETURN_LOG(!fuzz_, "Create fuzz_ Error");
69 auto inFd = GetData<int32_t>();
70 auto outFd = GetData<int32_t>();
71 auto tempFd = GetData<int32_t>();
72 fuzz_->Create(inFd, outFd, tempFd);
73 fuzz_->Pause();
74 fuzz_->Stop();
75 std::vector<uint8_t> memoryFlags = {
76 static_cast<uint8_t>(MemoryFlag::MEMORY_READ_ONLY),
77 static_cast<uint8_t>(MemoryFlag::MEMORY_WRITE_ONLY),
78 static_cast<uint8_t>(MemoryFlag::MEMORY_READ_WRITE)
79 };
80 std::vector<Media::Plugins::MediaType> mediaTypes = {
81 Media::Plugins::MediaType::UNKNOWN,
82 Media::Plugins::MediaType::AUDIO,
83 Media::Plugins::MediaType::VIDEO,
84 Media::Plugins::MediaType::SUBTITLE,
85 Media::Plugins::MediaType::ATTACHMENT,
86 Media::Plugins::MediaType::DATA,
87 Media::Plugins::MediaType::TIMEDMETA
88 };
89 uint8_t randomIndex = GetData<uint8_t>() % memoryFlags.size();
90 MemoryFlag selectedFlag = static_cast<MemoryFlag>(memoryFlags[randomIndex]);
91 uint8_t mediaTypeIndex = GetData<uint8_t>() % mediaTypes.size();
92 Media::Plugins::MediaType selectedMediaType = mediaTypes[mediaTypeIndex];
93 std::shared_ptr<AVAllocator> avAllocator =
94 AVAllocatorFactory::CreateSharedAllocator(selectedFlag);
95 int32_t capacity = GetData<int32_t>();
96 std::shared_ptr<AVBuffer> buffer = AVBuffer::CreateAVBuffer(avAllocator, capacity);
97 fuzz_->WriteSample(selectedMediaType, buffer);
98 fuzz_->ReadSample(selectedMediaType, buffer);
99 auto size_ = GetData<int64_t>();
100 fuzz_->Recover(size_);
101 fuzz_->CopyAudioTrack();
102 fuzz_->InitReader();
103 fuzz_->InitWriter();
104 auto duration = GetData<int64_t>();
105 auto bitRate = GetData<int64_t>();
106 fuzz_->InitRecoverReader(size_, duration, bitRate);
107 fuzz_->GetRecoverInfo(size_);
108 }
109
ReaderFuzzTest()110 void MediaManagerFuzzer::ReaderFuzzTest()
111 {
112 std::shared_ptr<Reader> inputReader {nullptr};
113 inputReader = std::make_shared<Reader>();
114 CHECK_ERROR_RETURN_LOG(!inputReader, "Create inputReader Error");
115 inputReader->GetSourceFormat();
116 }
117
TrackFuzzTest()118 void MediaManagerFuzzer::TrackFuzzTest()
119 {
120 std::shared_ptr<Track> track {nullptr};
121 track = std::make_shared<Track>();
122 CHECK_ERROR_RETURN_LOG(!track, "Create track Error");
123 TrackFormat formatOfIndex;
124 Format trackFormat;
125 int32_t trackType = GetData<int32_t>();
126 int32_t trackIndex = GetData<int32_t>();
127
128 std::vector<Media::Plugins::MediaType> mediaTypes = {
129 Media::Plugins::MediaType::UNKNOWN,
130 Media::Plugins::MediaType::AUDIO,
131 Media::Plugins::MediaType::VIDEO,
132 Media::Plugins::MediaType::SUBTITLE,
133 Media::Plugins::MediaType::ATTACHMENT,
134 Media::Plugins::MediaType::DATA,
135 Media::Plugins::MediaType::TIMEDMETA
136 };
137 uint8_t mediaTypeIndex = GetData<uint8_t>() % mediaTypes.size();
138 Media::Plugins::MediaType selectedMediaType = mediaTypes[mediaTypeIndex];
139
140 trackFormat.GetIntValue(Media::Tag::MEDIA_TYPE, trackType);
141 formatOfIndex.format = std::make_shared<Format>(trackFormat);
142 formatOfIndex.trackId = trackIndex;
143 track->SetFormat(formatOfIndex, selectedMediaType);
144 track->GetFormat();
145 }
146
WriterFuzzTest()147 void MediaManagerFuzzer::WriterFuzzTest()
148 {
149 std::shared_ptr<Writer> writer {nullptr};
150 writer = std::make_shared<Writer>();
151 CHECK_ERROR_RETURN_LOG(!writer, "Create writer Error");
152 auto outputFd = GetData<int32_t>();
153 std::shared_ptr<AVSourceFuzz> source = std::make_shared<AVSourceFuzz>();
154 std::map<Media::Plugins::MediaType, std::shared_ptr<Track>> tracks;
155 writer->Create(outputFd, tracks);
156
157 std::vector<uint8_t> memoryFlags = {
158 static_cast<uint8_t>(MemoryFlag::MEMORY_READ_ONLY),
159 static_cast<uint8_t>(MemoryFlag::MEMORY_WRITE_ONLY),
160 static_cast<uint8_t>(MemoryFlag::MEMORY_READ_WRITE)
161 };
162 uint8_t randomIndex = GetData<uint8_t>() % memoryFlags.size();
163 MemoryFlag selectedFlag = static_cast<MemoryFlag>(memoryFlags[randomIndex]);
164
165 std::shared_ptr<AVAllocator> avAllocator =
166 AVAllocatorFactory::CreateSharedAllocator(selectedFlag);
167 int32_t capacity = GetData<int32_t>();
168 std::shared_ptr<AVBuffer> sample = AVBuffer::CreateAVBuffer(avAllocator, capacity);
169 writer->Start();
170 }
171
MuxerFuzzTest()172 void MediaManagerFuzzer::MuxerFuzzTest()
173 {
174 std::shared_ptr<Muxer> muxer {nullptr};
175 muxer = std::make_shared<Muxer>();
176 CHECK_ERROR_RETURN_LOG(!muxer, "Create muxer Error");
177 auto outputFd = GetData<int32_t>();
178 std::vector<Plugins::OutputFormat> outputFormats = {
179 Plugins::OutputFormat::DEFAULT,
180 Plugins::OutputFormat::MPEG_4,
181 Plugins::OutputFormat::M4A,
182 Plugins::OutputFormat::AMR,
183 Plugins::OutputFormat::MP3,
184 Plugins::OutputFormat::WAV
185 };
186 uint8_t outputFormatIndex = GetData<uint8_t>() % outputFormats.size();
187 Plugins::OutputFormat selectedOutputFormat = outputFormats[outputFormatIndex];
188 muxer->Create(outputFd, selectedOutputFormat);
189 std::map<Media::Plugins::MediaType, std::shared_ptr<Track>> tracks;
190 muxer->AddTracks(tracks);
191 }
192
Test()193 void Test()
194 {
195 auto mediaManager = std::make_unique<MediaManagerFuzzer>();
196 if (mediaManager == nullptr) {
197 MEDIA_INFO_LOG("mediaManager is null");
198 return;
199 }
200 mediaManager->MediaManagerFuzzTest();
201 mediaManager->WriterFuzzTest();
202 mediaManager->TrackFuzzTest();
203 mediaManager->ReaderFuzzTest();
204 mediaManager->MuxerFuzzTest();
205 }
206
207 typedef void (*TestFuncs[1])();
208
209 TestFuncs g_testFuncs = {
210 Test,
211 };
212
FuzzTest(const uint8_t * rawData,size_t size)213 bool FuzzTest(const uint8_t* rawData, size_t size)
214 {
215 // initialize data
216 RAW_DATA = rawData;
217 g_dataSize = size;
218 g_pos = 0;
219
220 uint32_t code = GetData<uint32_t>();
221 uint32_t len = GetArrLength(g_testFuncs);
222 if (len > 0) {
223 g_testFuncs[code % len]();
224 } else {
225 MEDIA_INFO_LOG("%{public}s: The len length is equal to 0", __func__);
226 }
227
228 return true;
229 }
230 } // namespace CameraStandard
231 } // namespace OHOS
232
233 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(uint8_t * data,size_t size)234 extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size)
235 {
236 if (size < OHOS::CameraStandard::THRESHOLD) {
237 return 0;
238 }
239
240 OHOS::CameraStandard::FuzzTest(data, size);
241 return 0;
242 }