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 "video_output_fuzzer.h"
17 #include "camera_device.h"
18 #include "camera_log.h"
19 #include "camera_output_capability.h"
20 #include "capture_scene_const.h"
21 #include <cstdint>
22 #include "input/camera_manager.h"
23 #include "message_parcel.h"
24 #include <cstdint>
25 #include <memory>
26 #include "token_setproc.h"
27 #include "nativetoken_kit.h"
28 #include "accesstoken_kit.h"
29 #include "securec.h"
30
31 using namespace std;
32
33 namespace OHOS {
34 namespace CameraStandard {
35 static constexpr int32_t MAX_CODE_LEN = 512;
36 static constexpr int32_t MIN_SIZE_NUM = 4;
37 static const uint8_t* RAW_DATA = nullptr;
38 const size_t THRESHOLD = 10;
39 static size_t g_dataSize = 0;
40 static size_t g_pos;
41
42 /*
43 * describe: get data from outside untrusted data(g_data) which size is according to sizeof(T)
44 * tips: only support basic type
45 */
46 template<class T>
GetData()47 T GetData()
48 {
49 T object {};
50 size_t objectSize = sizeof(object);
51 if (RAW_DATA == nullptr || objectSize > g_dataSize - g_pos) {
52 return object;
53 }
54 errno_t ret = memcpy_s(&object, objectSize, RAW_DATA + g_pos, objectSize);
55 if (ret != EOK) {
56 return {};
57 }
58 g_pos += objectSize;
59 return object;
60 }
61
62 template<class T>
GetArrLength(T & arr)63 uint32_t GetArrLength(T& arr)
64 {
65 if (arr == nullptr) {
66 MEDIA_INFO_LOG("%{public}s: The array length is equal to 0", __func__);
67 return 0;
68 }
69 return sizeof(arr) / sizeof(arr[0]);
70 }
71
VideoOutputFuzzTest()72 void VideoOutputFuzzer::VideoOutputFuzzTest()
73 {
74 if ((RAW_DATA == nullptr) || (g_dataSize > MAX_CODE_LEN) || (g_dataSize < MIN_SIZE_NUM)) {
75 return;
76 }
77 auto manager = CameraManager::GetInstance();
78 auto cameras = manager->GetSupportedCameras();
79 CHECK_ERROR_RETURN_LOG(cameras.empty(), "GetSupportedCameras Error");
80 auto s = manager->CreateCaptureSession(SceneMode::VIDEO);
81 s->BeginConfig();
82 auto cap = s->GetCameraOutputCapabilities(cameras[0]);
83 CHECK_ERROR_RETURN_LOG(cap.empty(), "GetCameraOutputCapabilities Error");
84 auto vp = cap[0]->GetVideoProfiles();
85 CHECK_ERROR_RETURN_LOG(vp.empty(), "GetVideoProfiles Error");
86 sptr<Surface> surface = Surface::CreateSurfaceAsConsumer();
87 auto output = manager->CreateVideoOutput(vp[0], surface);
88 output->Start();
89 output->Stop();
90 output->Resume();
91 output->Pause();
92 output->CreateStream();
93 output->Release();
94 output->GetApplicationCallback();
95 output->GetFrameRateRange();
96 int32_t minFrameRate = GetData<int32_t>();
97 int32_t maxFrameRate = GetData<int32_t>();
98 output->SetFrameRateRange(minFrameRate, maxFrameRate);
99 output->SetOutputFormat(GetData<int32_t>());
100 output->SetFrameRate(minFrameRate, maxFrameRate);
101 output->GetSupportedFrameRates();
102 bool enabled = GetData<bool>();
103 output->enableMirror(enabled);
104 output->IsMirrorSupported();
105 output->GetSupportedVideoMetaTypes();
106 output->AttachMetaSurface(surface, VIDEO_META_MAKER_INFO);
107 int pid = GetData<int>();
108 output->CameraServerDied(pid);
109 output->canSetFrameRateRange(minFrameRate, maxFrameRate);
110 output->GetVideoRotation(GetData<int32_t>());
111 output->IsAutoDeferredVideoEnhancementSupported();
112 output->IsAutoDeferredVideoEnhancementEnabled();
113 output->EnableAutoDeferredVideoEnhancement(enabled);
114 output->IsVideoStarted();
115 output->IsRotationSupported(enabled);
116 output->SetRotation(GetData<int32_t>());
117 output->IsAutoVideoFrameRateSupported();
118 output->EnableAutoVideoFrameRate(enabled);
119 std::vector<int32_t> supportedRotations;
120 output->GetSupportedRotations(supportedRotations);
121 }
122
Test()123 void Test()
124 {
125 auto videoOutput = std::make_unique<VideoOutputFuzzer>();
126 if (videoOutput == nullptr) {
127 MEDIA_INFO_LOG("videoPostProcessor is null");
128 return;
129 }
130 videoOutput->VideoOutputFuzzTest();
131 }
132
133 typedef void (*TestFuncs[1])();
134
135 TestFuncs g_testFuncs = {
136 Test,
137 };
138
FuzzTest(const uint8_t * rawData,size_t size)139 bool FuzzTest(const uint8_t* rawData, size_t size)
140 {
141 // initialize data
142 RAW_DATA = rawData;
143 g_dataSize = size;
144 g_pos = 0;
145
146 uint32_t code = GetData<uint32_t>();
147 uint32_t len = GetArrLength(g_testFuncs);
148 if (len > 0) {
149 g_testFuncs[code % len]();
150 } else {
151 MEDIA_INFO_LOG("%{public}s: The len length is equal to 0", __func__);
152 }
153
154 return true;
155 }
156 } // namespace CameraStandard
157 } // namespace OHOS
158
159 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(uint8_t * data,size_t size)160 extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size)
161 {
162 if (size < OHOS::CameraStandard::THRESHOLD) {
163 return 0;
164 }
165
166 OHOS::CameraStandard::FuzzTest(data, size);
167 return 0;
168 }