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 MIN_SIZE_NUM = 256;
25 std::shared_ptr<MediaManager> MediaManagerFuzzer::fuzz_{nullptr};
26
MediaManagerFuzzTest(FuzzedDataProvider & fdp)27 void MediaManagerFuzzer::MediaManagerFuzzTest(FuzzedDataProvider& fdp)
28 {
29 fuzz_ = std::make_shared<MediaManager>();
30 CHECK_RETURN_ELOG(!fuzz_, "Create fuzz_ Error");
31 std::vector<uint8_t> memoryFlags = {
32 static_cast<uint8_t>(MemoryFlag::MEMORY_READ_ONLY),
33 static_cast<uint8_t>(MemoryFlag::MEMORY_WRITE_ONLY),
34 static_cast<uint8_t>(MemoryFlag::MEMORY_READ_WRITE)
35 };
36 std::vector<Media::Plugins::MediaType> mediaTypes = {
37 Media::Plugins::MediaType::UNKNOWN,
38 Media::Plugins::MediaType::AUDIO,
39 Media::Plugins::MediaType::VIDEO,
40 Media::Plugins::MediaType::SUBTITLE,
41 Media::Plugins::MediaType::ATTACHMENT,
42 Media::Plugins::MediaType::DATA,
43 Media::Plugins::MediaType::TIMEDMETA
44 };
45 uint8_t randomIndex = fdp.ConsumeIntegral<uint8_t>() % memoryFlags.size();
46 MemoryFlag selectedFlag = static_cast<MemoryFlag>(memoryFlags[randomIndex]);
47 uint8_t mediaTypeIndex = fdp.ConsumeIntegral<uint8_t>() % mediaTypes.size();
48 Media::Plugins::MediaType selectedMediaType = mediaTypes[mediaTypeIndex];
49 std::shared_ptr<AVAllocator> avAllocator =
50 AVAllocatorFactory::CreateSharedAllocator(selectedFlag);
51 int32_t capacity = fdp.ConsumeIntegral<int32_t>();
52 std::shared_ptr<AVBuffer> buffer = AVBuffer::CreateAVBuffer(avAllocator, capacity);
53 fuzz_->WriteSample(selectedMediaType, buffer);
54 fuzz_->ReadSample(selectedMediaType, buffer);
55 auto configSize = fdp.ConsumeIntegral<int64_t>();
56 fuzz_->Recover(configSize);
57 fuzz_->CopyAudioTrack();
58 fuzz_->InitReader();
59 fuzz_->InitWriter();
60 auto duration = fdp.ConsumeIntegral<int64_t>();
61 auto bitRate = fdp.ConsumeIntegral<int64_t>();
62 fuzz_->InitRecoverReader(configSize, duration, bitRate);
63 fuzz_->GetRecoverInfo(configSize);
64 fuzz_->Pause();
65 fuzz_->Stop();
66 }
67
ReaderFuzzTest(FuzzedDataProvider & fdp)68 void MediaManagerFuzzer::ReaderFuzzTest(FuzzedDataProvider& fdp)
69 {
70 std::shared_ptr<Reader> inputReader {nullptr};
71 inputReader = std::make_shared<Reader>();
72 CHECK_RETURN_ELOG(!inputReader, "Create inputReader Error");
73 inputReader->GetSourceFormat();
74 }
75
TrackFuzzTest(FuzzedDataProvider & fdp)76 void MediaManagerFuzzer::TrackFuzzTest(FuzzedDataProvider& fdp)
77 {
78 std::shared_ptr<Track> track {nullptr};
79 track = std::make_shared<Track>();
80 CHECK_RETURN_ELOG(!track, "Create track Error");
81 TrackFormat formatOfIndex;
82 Format trackFormat;
83 int32_t trackType = fdp.ConsumeIntegral<int32_t>();
84 int32_t trackIndex = fdp.ConsumeIntegral<int32_t>();
85
86 std::vector<Media::Plugins::MediaType> mediaTypes = {
87 Media::Plugins::MediaType::UNKNOWN,
88 Media::Plugins::MediaType::AUDIO,
89 Media::Plugins::MediaType::VIDEO,
90 Media::Plugins::MediaType::SUBTITLE,
91 Media::Plugins::MediaType::ATTACHMENT,
92 Media::Plugins::MediaType::DATA,
93 Media::Plugins::MediaType::TIMEDMETA
94 };
95 uint8_t mediaTypeIndex = fdp.ConsumeIntegral<uint8_t>() % mediaTypes.size();
96 Media::Plugins::MediaType selectedMediaType = mediaTypes[mediaTypeIndex];
97
98 trackFormat.GetIntValue(Media::Tag::MEDIA_TYPE, trackType);
99 formatOfIndex.format = std::make_shared<Format>(trackFormat);
100 formatOfIndex.trackId = trackIndex;
101 track->SetFormat(formatOfIndex, selectedMediaType);
102 track->GetFormat();
103 }
104
WriterFuzzTest(FuzzedDataProvider & fdp)105 void MediaManagerFuzzer::WriterFuzzTest(FuzzedDataProvider& fdp)
106 {
107 std::shared_ptr<Writer> writer {nullptr};
108 writer = std::make_shared<Writer>();
109 CHECK_RETURN_ELOG(!writer, "Create writer Error");
110 auto outputFd = fdp.ConsumeIntegral<int32_t>();
111 std::shared_ptr<AVSourceFuzz> source = std::make_shared<AVSourceFuzz>();
112 std::map<Media::Plugins::MediaType, std::shared_ptr<Track>> tracks;
113 writer->Create(outputFd, tracks);
114
115 std::vector<uint8_t> memoryFlags = {
116 static_cast<uint8_t>(MemoryFlag::MEMORY_READ_ONLY),
117 static_cast<uint8_t>(MemoryFlag::MEMORY_WRITE_ONLY),
118 static_cast<uint8_t>(MemoryFlag::MEMORY_READ_WRITE)
119 };
120 uint8_t randomIndex = fdp.ConsumeIntegral<uint8_t>() % memoryFlags.size();
121 MemoryFlag selectedFlag = static_cast<MemoryFlag>(memoryFlags[randomIndex]);
122
123 std::shared_ptr<AVAllocator> avAllocator =
124 AVAllocatorFactory::CreateSharedAllocator(selectedFlag);
125 int32_t capacity = fdp.ConsumeIntegral<int32_t>();
126 std::shared_ptr<AVBuffer> sample = AVBuffer::CreateAVBuffer(avAllocator, capacity);
127 writer->Start();
128 }
129
MuxerFuzzTest(FuzzedDataProvider & fdp)130 void MediaManagerFuzzer::MuxerFuzzTest(FuzzedDataProvider& fdp)
131 {
132 std::shared_ptr<Muxer> muxer {nullptr};
133 muxer = std::make_shared<Muxer>();
134 CHECK_RETURN_ELOG(!muxer, "Create muxer Error");
135 std::map<Media::Plugins::MediaType, std::shared_ptr<Track>> tracks;
136 muxer->AddTracks(tracks);
137 }
138
Test(uint8_t * data,size_t size)139 void Test(uint8_t* data, size_t size)
140 {
141 FuzzedDataProvider fdp(data, size);
142 auto mediaManager = std::make_unique<MediaManagerFuzzer>();
143 if (mediaManager == nullptr) {
144 MEDIA_INFO_LOG("mediaManager is null");
145 return;
146 }
147 if (fdp.remaining_bytes() < MIN_SIZE_NUM) {
148 return;
149 }
150 mediaManager->MediaManagerFuzzTest(fdp);
151 mediaManager->WriterFuzzTest(fdp);
152 mediaManager->TrackFuzzTest(fdp);
153 mediaManager->ReaderFuzzTest(fdp);
154 mediaManager->MuxerFuzzTest(fdp);
155 }
156
157 } // namespace CameraStandard
158 } // namespace OHOS
159
160 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(uint8_t * data,size_t size)161 extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size)
162 {
163 OHOS::CameraStandard::Test(data, size);
164 return 0;
165 }