1 /*
2 * Copyright (c) 2022-2023 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 "dcamerahost_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "dcamera_host.h"
22
23 namespace OHOS {
24 namespace DistributedHardware {
DCameraGetCameraAbilityFromDevFuzzTest(const uint8_t * data,size_t size)25 void DCameraGetCameraAbilityFromDevFuzzTest(const uint8_t* data, size_t size)
26 {
27 if ((data == nullptr) || (size == 0)) {
28 return;
29 }
30 std::string cameraId = "1__2";
31 DHBase dhBase;
32 dhBase.deviceId_ = "1";
33 dhBase.dhId_ = "2";
34 std::string sinkAbilityInfo = "sink";
35 std::string sourceAbilityInfo = "source";
36 OHOS::sptr<DCameraDevice> dcameraDevice(new (std::nothrow) DCameraDevice(dhBase, sinkAbilityInfo,
37 sourceAbilityInfo));
38 if (dcameraDevice == nullptr) {
39 return;
40 }
41 DCameraHost::GetInstance()->dCameraDeviceMap_.emplace(cameraId, dcameraDevice);
42 std::shared_ptr<CameraAbility> cameraAbility = make_shared<CameraAbility>(1, 1);
43 DCameraHost::GetInstance()->GetCameraAbilityFromDev(cameraId, cameraAbility);
44 }
45
DCameraAddDeviceParamCheckFuzzTest(const uint8_t * data,size_t size)46 void DCameraAddDeviceParamCheckFuzzTest(const uint8_t* data, size_t size)
47 {
48 if ((data == nullptr) || (size == 0)) {
49 return;
50 }
51 std::string deviceId = "1";
52 std::string dhId = "2";
53 std::string sinkAbilityInfo(reinterpret_cast<const char*>(data), size);
54 std::string srcAbilityInfo(reinterpret_cast<const char*>(data), size);
55 DHBase dhBase;
56 dhBase.deviceId_ = deviceId;
57 dhBase.dhId_ = dhId;
58 sptr<IDCameraProviderCallback> callback;
59 DCameraHost::GetInstance()->AddDeviceParamCheck(dhBase, sinkAbilityInfo, srcAbilityInfo, callback);
60 }
61
DCameraGetCamDevNumFuzzTest(const uint8_t * data,size_t size)62 void DCameraGetCamDevNumFuzzTest(const uint8_t* data, size_t size)
63 {
64 if ((data == nullptr) || (size == 0)) {
65 return;
66 }
67 DCameraHost::GetInstance()->GetCamDevNum();
68 }
69
DCameraIsCameraIdInvalidFuzzTest(const uint8_t * data,size_t size)70 void DCameraIsCameraIdInvalidFuzzTest(const uint8_t* data, size_t size)
71 {
72 if ((data == nullptr) || (size == 0)) {
73 return;
74 }
75 std::string cameraId = "1__2";
76 DHBase dhBase;
77 dhBase.deviceId_ = "1";
78 dhBase.dhId_ = "2";
79 std::string sinkAbilityInfo = "sink";
80 std::string sourceAbilityInfo = "source";
81 OHOS::sptr<DCameraDevice> dcameraDevice(new (std::nothrow) DCameraDevice(dhBase, sinkAbilityInfo,
82 sourceAbilityInfo));
83 if (dcameraDevice == nullptr) {
84 return;
85 }
86 DCameraHost::GetInstance()->dCameraDeviceMap_.emplace(cameraId, dcameraDevice);
87 DCameraHost::GetInstance()->IsCameraIdInvalid(cameraId);
88 }
89
DCameraGetCameraIdByDHBaseFuzzTest(const uint8_t * data,size_t size)90 void DCameraGetCameraIdByDHBaseFuzzTest(const uint8_t* data, size_t size)
91 {
92 if ((data == nullptr) || (size == 0)) {
93 return;
94 }
95 DHBase dhBase;
96 dhBase.deviceId_ = "1";
97 dhBase.dhId_ = "2";
98 DCameraHost::GetInstance()->GetCameraIdByDHBase(dhBase);
99 }
100 }
101 }
102
103 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)104 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
105 {
106 /* Run your code on data */
107 OHOS::DistributedHardware::DCameraGetCameraAbilityFromDevFuzzTest(data, size);
108 OHOS::DistributedHardware::DCameraAddDeviceParamCheckFuzzTest(data, size);
109 OHOS::DistributedHardware::DCameraGetCamDevNumFuzzTest(data, size);
110 OHOS::DistributedHardware::DCameraIsCameraIdInvalidFuzzTest(data, size);
111 OHOS::DistributedHardware::DCameraGetCameraIdByDHBaseFuzzTest(data, size);
112 return 0;
113 }
114