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 "hstream_capture_stub_fuzzer.h"
17 #include "camera_log.h"
18 #include "hstream_capture.h"
19 #include "iservice_registry.h"
20 #include "message_parcel.h"
21 #include "nativetoken_kit.h"
22 #include "token_setproc.h"
23 #include "accesstoken_kit.h"
24 #include "camera_metadata_info.h"
25 #include "metadata_utils.h"
26 #include "iconsumer_surface.h"
27 #include "camera_service_ipc_interface_code.h"
28 #include "securec.h"
29 #include "hstream_capture_callback_proxy.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 std::shared_ptr<HStreamCaptureStubFuzz> HStreamCaptureStubFuzzer::fuzz_{nullptr};
40
41 /*
42 * describe: get data from outside untrusted data(g_data) which size is according to sizeof(T)
43 * tips: only support basic type
44 */
45 template<class T>
GetData()46 T GetData()
47 {
48 T object {};
49 size_t objectSize = sizeof(object);
50 if (RAW_DATA == nullptr || objectSize > g_dataSize - g_pos) {
51 return object;
52 }
53 errno_t ret = memcpy_s(&object, objectSize, RAW_DATA + g_pos, objectSize);
54 if (ret != EOK) {
55 return {};
56 }
57 g_pos += objectSize;
58 return object;
59 }
60
61 template<class T>
GetArrLength(T & arr)62 uint32_t GetArrLength(T& arr)
63 {
64 if (arr == nullptr) {
65 MEDIA_INFO_LOG("%{public}s: The array length is equal to 0", __func__);
66 return 0;
67 }
68 return sizeof(arr) / sizeof(arr[0]);
69 }
70
HStreamCaptureStubFuzzTest1()71 void HStreamCaptureStubFuzzer::HStreamCaptureStubFuzzTest1()
72 {
73 MessageParcel data;
74 sptr<IConsumerSurface> photoSurface = IConsumerSurface::Create();
75 CHECK_ERROR_RETURN(photoSurface == nullptr);
76 sptr<IBufferProducer> producer = photoSurface->GetProducer();
77 auto value = GetData<bool>();
78 data.WriteBool(value);
79 data.WriteRemoteObject(producer->AsObject());
80 fuzz_->HandleSetBufferProducerInfo(data);
81 }
82
HStreamCaptureStubFuzzTest2()83 void HStreamCaptureStubFuzzer::HStreamCaptureStubFuzzTest2()
84 {
85 MessageParcel data;
86 sptr<IConsumerSurface> photoSurface = IConsumerSurface::Create();
87 CHECK_ERROR_RETURN(photoSurface == nullptr);
88 sptr<IBufferProducer> producer = photoSurface->GetProducer();
89 auto value = GetData<bool>();
90 data.WriteBool(value);
91 data.WriteRemoteObject(producer->AsObject());
92 fuzz_->HandleSetThumbnail(data);
93 }
94
HStreamCaptureStubFuzzTest3()95 void HStreamCaptureStubFuzzer::HStreamCaptureStubFuzzTest3()
96 {
97 MessageParcel data;
98 auto value = GetData<int32_t>();
99 data.WriteInt32(value);
100 fuzz_->HandleAcquireBufferToPrepareProxy(data);
101 }
102
HStreamCaptureStubFuzzTest4()103 void HStreamCaptureStubFuzzer::HStreamCaptureStubFuzzTest4()
104 {
105 MessageParcel data;
106 auto value = GetData<int32_t>();
107 data.WriteInt32(value);
108 fuzz_->HandleEnableDeferredType(data);
109 }
110
HStreamCaptureStubFuzzTest5()111 void HStreamCaptureStubFuzzer::HStreamCaptureStubFuzzTest5()
112 {
113 MessageParcel data;
114 auto value = GetData<int32_t>();
115 data.WriteInt32(value);
116 fuzz_->HandleSetMovingPhotoVideoCodecType(data);
117 }
118
HStreamCaptureStubFuzzTest6()119 void HStreamCaptureStubFuzzer::HStreamCaptureStubFuzzTest6()
120 {
121 MessageParcel data;
122 auto value = GetData<int32_t>();
123 data.WriteInt32(value);
124 fuzz_->HandleConfirmCapture(data);
125 }
126
HStreamCaptureStubFuzzTest7()127 void HStreamCaptureStubFuzzer::HStreamCaptureStubFuzzTest7()
128 {
129 MessageParcel data;
130 auto value = GetData<bool>();
131 data.WriteBool(value);
132 fuzz_->HandleEnableRawDelivery(data);
133 }
134
HStreamCaptureStubFuzzTest8()135 void HStreamCaptureStubFuzzer::HStreamCaptureStubFuzzTest8()
136 {
137 MessageParcel data;
138 auto value = GetData<bool>();
139 data.WriteBool(value);
140 fuzz_->HandleEnableMovingPhoto(data);
141 }
142
HStreamCaptureStubFuzzTest9()143 void HStreamCaptureStubFuzzer::HStreamCaptureStubFuzzTest9()
144 {
145 MessageParcel data;
146 auto value = GetData<bool>();
147 data.WriteBool(value);
148 fuzz_->HandleSetCameraPhotoRotation(data);
149 }
150
HStreamCaptureStubFuzzTest10()151 void HStreamCaptureStubFuzzer::HStreamCaptureStubFuzzTest10()
152 {
153 MessageParcel data;
154 auto value = GetData<bool>();
155 data.WriteBool(value);
156 fuzz_->HandleEnableOfflinePhoto(data);
157 }
158
Test()159 void Test()
160 {
161 auto hstreamCaptureStub = std::make_unique<HStreamCaptureStubFuzzer>();
162 if (hstreamCaptureStub == nullptr) {
163 MEDIA_INFO_LOG("hstreamCaptureStub is null");
164 return;
165 }
166 if ((RAW_DATA == nullptr) || (g_dataSize > MAX_CODE_LEN) || (g_dataSize < MIN_SIZE_NUM)) {
167 return;
168 }
169 HStreamCaptureStubFuzzer::fuzz_ = std::make_shared<HStreamCaptureStubFuzz>();
170 CHECK_ERROR_RETURN_LOG(!HStreamCaptureStubFuzzer::fuzz_, "create fuzz_ Error");
171 hstreamCaptureStub->HStreamCaptureStubFuzzTest1();
172 hstreamCaptureStub->HStreamCaptureStubFuzzTest2();
173 hstreamCaptureStub->HStreamCaptureStubFuzzTest3();
174 hstreamCaptureStub->HStreamCaptureStubFuzzTest4();
175 hstreamCaptureStub->HStreamCaptureStubFuzzTest5();
176 hstreamCaptureStub->HStreamCaptureStubFuzzTest6();
177 hstreamCaptureStub->HStreamCaptureStubFuzzTest7();
178 hstreamCaptureStub->HStreamCaptureStubFuzzTest8();
179 hstreamCaptureStub->HStreamCaptureStubFuzzTest9();
180 hstreamCaptureStub->HStreamCaptureStubFuzzTest10();
181 }
182
183 typedef void (*TestFuncs[1])();
184
185 TestFuncs g_testFuncs = {
186 Test,
187 };
188
FuzzTest(const uint8_t * rawData,size_t size)189 bool FuzzTest(const uint8_t* rawData, size_t size)
190 {
191 // initialize data
192 RAW_DATA = rawData;
193 g_dataSize = size;
194 g_pos = 0;
195
196 uint32_t code = GetData<uint32_t>();
197 uint32_t len = GetArrLength(g_testFuncs);
198 if (len > 0) {
199 g_testFuncs[code % len]();
200 } else {
201 MEDIA_INFO_LOG("%{public}s: The len length is equal to 0", __func__);
202 }
203
204 return true;
205 }
206 } // namespace CameraStandard
207 } // namespace OHOS
208
209 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(uint8_t * data,size_t size)210 extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size)
211 {
212 if (size < OHOS::CameraStandard::THRESHOLD) {
213 return 0;
214 }
215
216 OHOS::CameraStandard::FuzzTest(data, size);
217 return 0;
218 }