1 /*
2 * Copyright (c) 2023 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_input.h"
22 #include "camera_input_fuzzer.h"
23 #include "camera_log.h"
24 #include "input/camera_device.h"
25 #include "input/camera_manager.h"
26 #include "message_parcel.h"
27 #include "nativetoken_kit.h"
28 #include "test_token.h"
29 #include "token_setproc.h"
30
31
32 namespace OHOS {
33 namespace CameraStandard {
34 namespace CameraInputFuzzer {
35 const int32_t LIMITSIZE = 169;
36 const int32_t CAM_NUM = 2;
37 bool g_isCameraDevicePermission = false;
38 static pid_t g_pid = 0;
39 size_t max_length = 64;
40
Test(uint8_t * data,size_t size)41 void Test(uint8_t* data, size_t size)
42 {
43 FuzzedDataProvider fdp(data, size);
44 if (fdp.remaining_bytes() < LIMITSIZE) {
45 return;
46 }
47 CHECK_RETURN_ELOG(!TestToken().GetAllCameraPermission(), "GetPermission error");
48 auto manager = CameraManager::GetInstance();
49 CHECK_RETURN_ELOG(!manager, "CameraInputFuzzer: Get CameraManager instance Error");
50 auto cameras = manager->GetSupportedCameras();
51 CHECK_RETURN_ELOG(cameras.size() < CAM_NUM, "CameraInputFuzzer: GetSupportedCameras Error");
52 auto camera = cameras[fdp.ConsumeIntegral<uint32_t>() % cameras.size()];
53 CHECK_RETURN_ELOG(!camera, "CameraInputFuzzer: Camera is null Error");
54 auto input = manager->CreateCameraInput(camera);
55 CHECK_RETURN_ELOG(!input, "CameraInputFuzzer: CreateCameraInput Error");
56 std::shared_ptr<CameraOcclusionDetectCallback> cameraOcclusionDetectCallback
57 = std::make_shared<CameraOcclusionDetectCallbackTest>();
58 input->SetOcclusionDetectCallback(cameraOcclusionDetectCallback);
59 std::shared_ptr<CameraDeviceServiceCallback> cameraDeviceServiceCallback =
60 std::make_shared<CameraDeviceServiceCallback>(input);
61 uint64_t timestamp = 10;
62 std::shared_ptr<OHOS::Camera::CameraMetadata> metadata = nullptr;
63 const int32_t defaultItems = 10;
64 const int32_t defaultDataLength = 100;
65 int32_t count = 1;
66 int32_t isOcclusionDetected = 1;
67 int32_t isLensDirtyDetected = 1;
68 metadata = std::make_shared<OHOS::Camera::CameraMetadata>(defaultItems, defaultDataLength);
69 metadata->addEntry(OHOS_STATUS_CAMERA_OCCLUSION_DETECTION, &isOcclusionDetected, count);
70 cameraDeviceServiceCallback->OnResult(timestamp, metadata);
71 metadata = std::make_shared<OHOS::Camera::CameraMetadata>(defaultItems, defaultDataLength);
72 metadata->addEntry(OHOS_STATUS_CAMERA_LENS_DIRTY_DETECTION, &isLensDirtyDetected, count);
73 cameraDeviceServiceCallback->OnResult(timestamp, metadata);
74 metadata = std::make_shared<OHOS::Camera::CameraMetadata>(defaultItems, defaultDataLength);
75 metadata->addEntry(OHOS_STATUS_CAMERA_OCCLUSION_DETECTION, &isOcclusionDetected, count);
76 metadata->addEntry(OHOS_STATUS_CAMERA_LENS_DIRTY_DETECTION, &isLensDirtyDetected, count);
77 cameraDeviceServiceCallback->OnResult(timestamp, metadata);
78 TestInput(input, fdp);
79 }
80
TestInput(sptr<CameraInput> input,FuzzedDataProvider & fdp)81 void TestInput(sptr<CameraInput> input, FuzzedDataProvider& fdp)
82 {
83 MEDIA_INFO_LOG("CameraInputFuzzer: ENTER");
84 input->Open();
85 input->SetErrorCallback(make_shared<ErrorCallbackMock>());
86 input->SetResultCallback(make_shared<ResultCallbackMock>());
87 input->GetCameraId();
88 input->GetCameraDevice();
89 input->GetErrorCallback();
90 input->GetResultCallback();
91 shared_ptr<OHOS::Camera::CameraMetadata> result;
92 input->ProcessCallbackUpdates(fdp.ConsumeIntegral<uint64_t>(), result);
93 input->GetCameraSettings();
94 input->SetCameraSettings(fdp.ConsumeRandomLengthString(max_length));
95 input->GetMetaSetting(fdp.ConsumeIntegral<uint32_t>());
96 std::vector<vendorTag_t> infos;
97 input->GetCameraAllVendorTags(infos);
98 input->Release();
99 input->Close();
100 uint64_t secureSeqId;
101 input->Open(fdp.ConsumeBool(), &secureSeqId);
102 input->Release();
103 CameraDeviceServiceCallback callback;
104 auto meta = make_shared<OHOS::Camera::CameraMetadata>(10, 100);
105 callback.OnError(fdp.ConsumeIntegral<int32_t>(), fdp.ConsumeIntegral<int32_t>());
106 callback.OnResult(fdp.ConsumeIntegral<uint64_t>(), meta);
107 input->SetInputUsedAsPosition(CAMERA_POSITION_UNSPECIFIED);
108 class CameraOcclusionDetectCallbackMock : public CameraOcclusionDetectCallback {
109 public:
110 void OnCameraOcclusionDetected(const uint8_t isCameraOcclusion,
111 const uint8_t isCameraLensDirty) const override {}
112 };
113 input->SetOcclusionDetectCallback(make_shared<CameraOcclusionDetectCallbackMock>());
114 input->GetOcclusionDetectCallback();
115 input->UpdateSetting(meta);
116 input->MergeMetadata(meta, meta);
117 input->closeDelayed(fdp.ConsumeIntegral<int32_t>());
118 input->CameraServerDied(g_pid);
119 }
120
121 } // namespace StreamRepeatStubFuzzer
122 } // namespace CameraStandard
123 } // namespace OHOS
124
125 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(uint8_t * data,size_t size)126 extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size)
127 {
128 /* Run your code on data */
129 OHOS::CameraStandard::CameraInputFuzzer::Test(data, size);
130 return 0;
131 }