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 <cstddef>
17 #include <cstdint>
18 #include <memory>
19
20 #include "accesstoken_kit.h"
21 #include "camera_log.h"
22 #include "ipc_skeleton.h"
23 #include "message_parcel.h"
24 #include "nativetoken_kit.h"
25 #include "os_account_manager.h"
26 #include "profession_session_fuzzer.h"
27 #include "securec.h"
28 #include "test_token.h"
29 #include "token_setproc.h"
30
31 namespace OHOS {
32 namespace CameraStandard {
33 static constexpr int32_t MAX_CODE_LEN = 512;
34 static constexpr int32_t MIN_SIZE_NUM = 4;
35 static const uint8_t* RAW_DATA = nullptr;
36 const size_t THRESHOLD = 10;
37 static size_t g_dataSize = 0;
38 static size_t g_pos;
39
40 const int32_t NUM_FOUR = 4;
41 const int32_t NUM_THREE = 3;
42 sptr<ProfessionSession> ProfessionSessionFuzzer::fuzz_{nullptr};
43 sptr<CameraManager> manager_;
44
45 /*
46 * describe: get data from outside untrusted data(g_data) which size is according to sizeof(T)
47 * tips: only support basic type
48 */
49 template<class T>
GetData()50 T GetData()
51 {
52 T object {};
53 size_t objectSize = sizeof(object);
54 if (RAW_DATA == nullptr || objectSize > g_dataSize - g_pos) {
55 return object;
56 }
57 errno_t ret = memcpy_s(&object, objectSize, RAW_DATA + g_pos, objectSize);
58 if (ret != EOK) {
59 return {};
60 }
61 g_pos += objectSize;
62 return object;
63 }
64
65 template<class T>
GetArrLength(T & arr)66 uint32_t GetArrLength(T& arr)
67 {
68 if (arr == nullptr) {
69 MEDIA_INFO_LOG("%{public}s: The array length is equal to 0", __func__);
70 return 0;
71 }
72 return sizeof(arr) / sizeof(arr[0]);
73 }
74
CreatePreviewOutput(Profile & profile)75 sptr<CaptureOutput> CreatePreviewOutput(Profile& profile)
76 {
77 sptr<IConsumerSurface> previewSurface = IConsumerSurface::Create();
78 Size previewSize = profile.GetSize();
79 previewSurface->SetUserData(CameraManager::surfaceFormat, std::to_string(profile.GetCameraFormat()));
80 previewSurface->SetDefaultWidthAndHeight(previewSize.width, previewSize.height);
81
82 sptr<IBufferProducer> bp = previewSurface->GetProducer();
83 sptr<Surface> pSurface = Surface::CreateSurfaceAsProducer(bp);
84
85 sptr<CaptureOutput> previewOutput = nullptr;
86 previewOutput = manager_->CreatePreviewOutput(profile, pSurface);
87 return previewOutput;
88 }
89
CreateVideoOutput(VideoProfile & videoProfile)90 sptr<CaptureOutput> CreateVideoOutput(VideoProfile& videoProfile)
91 {
92 sptr<IConsumerSurface> surface = IConsumerSurface::Create();
93 sptr<IBufferProducer> videoProducer = surface->GetProducer();
94 sptr<Surface> videoSurface = Surface::CreateSurfaceAsProducer(videoProducer);
95 sptr<CaptureOutput> videoOutput = nullptr;
96 videoOutput = manager_->CreateVideoOutput(videoProfile, videoSurface);
97 return videoOutput;
98 }
99
ProfessionSessionFuzzTest1()100 void ProfessionSessionFuzzer::ProfessionSessionFuzzTest1()
101 {
102 if ((RAW_DATA == nullptr) || (g_dataSize > MAX_CODE_LEN) || (g_dataSize < MIN_SIZE_NUM)) {
103 return;
104 }
105 MeteringMode meteringModes = static_cast<MeteringMode>(GetData<int32_t>() % NUM_FOUR);
106 std::vector<MeteringMode> supportedMeteringModes = {};
107 supportedMeteringModes.push_back(meteringModes);
108 fuzz_->GetSupportedMeteringModes(supportedMeteringModes);
109 bool isSupported = GetData<bool>();
110 fuzz_->IsMeteringModeSupported(meteringModes, isSupported);
111 fuzz_->SetMeteringMode(meteringModes);
112 fuzz_->GetMeteringMode(meteringModes);
113 }
114
ProfessionSessionFuzzTest2()115 void ProfessionSessionFuzzer::ProfessionSessionFuzzTest2()
116 {
117 if ((RAW_DATA == nullptr) || (g_dataSize > MAX_CODE_LEN) || (g_dataSize < MIN_SIZE_NUM)) {
118 return;
119 }
120 bool isSupported = GetData<bool>();
121 fuzz_->HasFlash(isSupported);
122 ColorEffect colorEffects = static_cast<ColorEffect>(GetData<int32_t>() % NUM_FOUR);
123 vector<ColorEffect> supportedColorEffects;
124 fuzz_->GetSupportedColorEffects(supportedColorEffects);
125 fuzz_->GetColorEffect(colorEffects);
126 fuzz_->SetColorEffect(colorEffects);
127 vector<int32_t> isoRange;
128 fuzz_->GetIsoRange(isoRange);
129 int32_t range = GetData<int32_t>();
130 fuzz_->SetISO(range);
131 fuzz_->GetISO(range);
132 fuzz_->IsManualIsoSupported();
133 FocusMode focusMode = static_cast<FocusMode>(GetData<int32_t>() % NUM_FOUR);
134 vector<FocusMode> supportedFocusModes;
135 supportedFocusModes.push_back(focusMode);
136 fuzz_->GetSupportedFocusModes(supportedFocusModes);
137 fuzz_->IsFocusModeSupported(focusMode, isSupported);
138 fuzz_->SetFocusMode(focusMode);
139 fuzz_->GetFocusMode(focusMode);
140 ExposureHintMode exposureHintModes = static_cast<ExposureHintMode>(GetData<int32_t>() % NUM_THREE);
141 vector<ExposureHintMode> supportedExposureHintModes;
142 fuzz_->GetSupportedExposureHintModes(supportedExposureHintModes);
143 fuzz_->SetExposureHintMode(exposureHintModes);
144 fuzz_->GetExposureHintMode(exposureHintModes);
145 FocusAssistFlashMode focusAssistFlashModes = static_cast<FocusAssistFlashMode>(GetData<int32_t>() % NUM_FOUR);
146 vector<FocusAssistFlashMode> supportedFocusAssistFlashModes;
147 fuzz_->GetSupportedFocusAssistFlashModes(supportedFocusAssistFlashModes);
148 fuzz_->IsFocusAssistFlashModeSupported(focusAssistFlashModes, isSupported);
149 fuzz_->SetFocusAssistFlashMode(focusAssistFlashModes);
150 fuzz_->GetFocusAssistFlashMode(focusAssistFlashModes);
151 }
152
Test()153 void Test()
154 {
155 auto professionSession = std::make_unique<ProfessionSessionFuzzer>();
156 if (professionSession == nullptr) {
157 MEDIA_INFO_LOG("professionSession is null");
158 return;
159 }
160 CHECK_RETURN_ELOG(!TestToken().GetAllCameraPermission(), "GetPermission error");
161 manager_ = CameraManager::GetInstance();
162 sptr<CaptureSessionForSys> captureSessionForSys =
163 CameraManagerForSys::GetInstance()->CreateCaptureSessionForSys(SceneMode::PROFESSIONAL_VIDEO);
164 ProfessionSessionFuzzer::fuzz_ = static_cast<ProfessionSession*>(captureSessionForSys.GetRefPtr());
165 CHECK_RETURN_ELOG(!ProfessionSessionFuzzer::fuzz_, "Create fuzz_ Error");
166 SceneMode sceneMode = SceneMode::PROFESSIONAL_VIDEO;
167 std::vector<sptr<CameraDevice>> cameras;
168 cameras = manager_->GetSupportedCameras();
169 CHECK_RETURN_ELOG(cameras.empty(), "GetCameraDeviceListFromServer Error");
170 sptr<CaptureInput> input = manager_->CreateCameraInput(cameras[0]);
171 CHECK_RETURN_ELOG(!input, "CreateCameraInput Error");
172 sptr<CameraOutputCapability> modeAbility =
173 manager_->GetSupportedOutputCapability(cameras[0], sceneMode);
174 captureSessionForSys->BeginConfig();
175 captureSessionForSys->AddInput(input);
176 input->Open();
177 Profile previewProfile;
178 VideoProfile videoProfile;
179 auto previewProfiles = modeAbility->GetPreviewProfiles();
180 auto videoProfiles = modeAbility->GetVideoProfiles();
181 for (const auto &vProfile : videoProfiles) {
182 for (const auto &pProfile : previewProfiles) {
183 if (vProfile.size_.width == pProfile.size_.width) {
184 previewProfile = pProfile;
185 videoProfile = vProfile;
186 break;
187 }
188 }
189 }
190 sptr<CaptureOutput> previewOutput = CreatePreviewOutput(previewProfile);
191 captureSessionForSys->AddOutput(previewOutput);
192 sptr<CaptureOutput> videoOutput = CreateVideoOutput(videoProfile);
193 captureSessionForSys->AddOutput(videoOutput);
194 captureSessionForSys->CommitConfig();
195 professionSession->ProfessionSessionFuzzTest1();
196 professionSession->ProfessionSessionFuzzTest2();
197 }
198
199 typedef void (*TestFuncs[1])();
200 TestFuncs g_testFuncs = {
201 Test,
202 };
203
FuzzTest(const uint8_t * rawData,size_t size)204 bool FuzzTest(const uint8_t* rawData, size_t size)
205 {
206 // initialize data
207 RAW_DATA = rawData;
208 g_dataSize = size;
209 g_pos = 0;
210
211 uint32_t code = GetData<uint32_t>();
212 uint32_t len = GetArrLength(g_testFuncs);
213 if (len > 0) {
214 g_testFuncs[code % len]();
215 } else {
216 MEDIA_INFO_LOG("%{public}s: The len length is equal to 0", __func__);
217 }
218
219 return true;
220 }
221
222 } // namespace CameraStandard
223 } // namespace OHOS
224
225 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(uint8_t * data,size_t size)226 extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size)
227 {
228 if (size < OHOS::CameraStandard::THRESHOLD) {
229 return 0;
230 }
231
232 OHOS::CameraStandard::FuzzTest(data, size);
233 return 0;
234 }