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 "camera_restore_param_fuzzer.h"
17 #include "hcamera_restore_param.h"
18 #include "hstream_capture.h"
19 #include "message_parcel.h"
20 #include "nativetoken_kit.h"
21 #include "token_setproc.h"
22 #include "accesstoken_kit.h"
23 #include "camera_metadata_info.h"
24 #include "metadata_utils.h"
25
26 namespace {
27
28 const int32_t LIMITSIZE = 20;
29
30 }
31
32 namespace OHOS {
33 namespace CameraStandard {
34
35 bool CameraRestoreParamFuzzer::hasPermission = false;
36 HCameraRestoreParam *CameraRestoreParamFuzzer::fuzz = nullptr;
37
CheckPermission()38 void CameraRestoreParamFuzzer::CheckPermission()
39 {
40 if (!hasPermission) {
41 uint64_t tokenId;
42 const char *perms[0];
43 perms[0] = "ohos.permission.CAMERA";
44 NativeTokenInfoParams infoInstance = { .dcapsNum = 0, .permsNum = 1, .aclsNum = 0, .dcaps = NULL,
45 .perms = perms, .acls = NULL, .processName = "camera_capture", .aplStr = "system_basic",
46 };
47 tokenId = GetAccessTokenId(&infoInstance);
48 SetSelfTokenID(tokenId);
49 OHOS::Security::AccessToken::AccessTokenKit::ReloadNativeTokenInfo();
50 hasPermission = true;
51 }
52 }
53
Test(uint8_t * rawData,size_t size)54 void CameraRestoreParamFuzzer::Test(uint8_t *rawData, size_t size)
55 {
56 if (rawData == nullptr || size < LIMITSIZE) {
57 return;
58 }
59 CheckPermission();
60
61 if (fuzz == nullptr) {
62 std::string clientName;
63 std::string cameraId;
64 fuzz = new HCameraRestoreParam(clientName, cameraId);
65 }
66
67 MessageParcel data;
68 data.WriteRawData(rawData, size);
69
70 data.RewindRead(0);
71 int32_t opMode = data.ReadInt32();
72 fuzz->SetCameraOpMode(opMode);
73
74 data.RewindRead(0);
75 int foldStaus = data.ReadInt32();
76 fuzz->SetFoldStatus(foldStaus);
77
78 data.RewindRead(0);
79 timeval closeCameraTime = {
80 data.ReadUint32(),
81 data.ReadUint32(),
82 };
83 fuzz->SetCloseCameraTime(closeCameraTime);
84
85 data.RewindRead(0);
86 int activeTime = data.ReadInt32();
87 fuzz->SetStartActiveTime(activeTime);
88
89 RestoreParamTypeOhos restoreParamType = RestoreParamTypeOhos::NO_NEED_RESTORE_PARAM_OHOS;
90 fuzz->SetRestoreParamType(restoreParamType);
91
92 std::shared_ptr<OHOS::Camera::CameraMetadata> settings;
93 fuzz->SetSetting(settings);
94
95 std::vector<StreamInfo_V1_1> streamInfos;
96 fuzz->SetStreamInfo(streamInfos);
97
98 data.RewindRead(0);
99 auto obj = std::make_unique<int32_t>(data.ReadInt32());
100 const void *objectId = obj.get();
101 fuzz->IncStrongRef(objectId);
102 fuzz->IncWeakRef(objectId);
103 fuzz->AttemptIncStrong(objectId);
104 fuzz->AttemptIncStrongRef(objectId);
105 fuzz->DecStrongRef(objectId);
106 fuzz->DecWeakRef(objectId);
107 fuzz->AttemptAcquire(objectId);
108 }
109
110 } // namespace CameraStandard
111 } // namespace OHOS
112
113 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(uint8_t * data,size_t size)114 extern "C" int LLVMFuzzerTestOneInput(uint8_t *data, size_t size)
115 {
116 /* Run your code on data */
117 OHOS::CameraStandard::CameraRestoreParamFuzzer::Test(data, size);
118 return 0;
119 }