1 /*
2 * Copyright (c) 2022 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 "dcameragetdevicebydhbase_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <fuzzer/FuzzedDataProvider.h>
21
22 #include "dcamera_host.h"
23 #include "dcamera_provider.h"
24
25 namespace OHOS {
26 namespace DistributedHardware {
DcameraGetDeviceByDHBaseFuzzTest(const uint8_t * data,size_t size)27 void DcameraGetDeviceByDHBaseFuzzTest(const uint8_t* data, size_t size)
28 {
29 if ((data == nullptr) || (size == 0)) {
30 return;
31 }
32 std::string deviceId = "1";
33 std::string dhId = "2";
34 DHBase dhBase;
35 dhBase.deviceId_ = deviceId;
36 dhBase.dhId_ = dhId;
37
38 std::string cameraId = "1__2";
39 std::string sinkAbilityInfo(reinterpret_cast<const char*>(data), size);
40 std::string sourceAbilityInfo(reinterpret_cast<const char*>(data), size);
41 OHOS::sptr<DCameraDevice> dcameraDevice(new (std::nothrow) DCameraDevice(dhBase, sinkAbilityInfo,
42 sourceAbilityInfo));
43 if (dcameraDevice == nullptr) {
44 return;
45 }
46 DCameraHost::GetInstance()->dCameraDeviceMap_.emplace(cameraId, dcameraDevice);
47 DCameraHost::GetInstance()->GetDCameraDeviceByDHBase(dhBase);
48 }
49
DCameraProviderGetCallbackBydhBaseFuzzTest(const uint8_t * data,size_t size)50 void DCameraProviderGetCallbackBydhBaseFuzzTest(const uint8_t* data, size_t size)
51 {
52 if ((data == nullptr) || (size == 0)) {
53 return;
54 }
55
56 FuzzedDataProvider fdp(data, size);
57 std::string deviceId = fdp.ConsumeRandomLengthString(size);
58 std::string dhId = fdp.ConsumeRandomLengthString(size);
59
60 DHBase dhBase;
61 dhBase.deviceId_ = deviceId;
62 dhBase.dhId_ = dhId;
63
64 std::string sinkAbilityInfo = fdp.ConsumeRandomLengthString(size);
65 std::string sourceAbilityInfo = fdp.ConsumeRandomLengthString(size);
66 OHOS::sptr<DCameraDevice> dcameraDevice(new (std::nothrow) DCameraDevice(dhBase, sinkAbilityInfo,
67 sourceAbilityInfo));
68 if (dcameraDevice == nullptr) {
69 return;
70 }
71
72 std::string cameraId = deviceId + "__" + dhId;
73 DCameraHost::GetInstance()->dCameraDeviceMap_.emplace(cameraId, dcameraDevice);
74
75 OHOS::sptr<DCameraProvider> provider = DCameraProvider::GetInstance();
76 if (provider == nullptr) {
77 return;
78 }
79
80 sptr<IDCameraProviderCallback> callback = provider->GetCallbackBydhBase(dhBase);
81 if (callback != nullptr) {
82 callback->OpenSession(dhBase);
83 }
84 }
85 }
86 }
87
88 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)89 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
90 {
91 /* Run your code on data */
92 OHOS::DistributedHardware::DcameraGetDeviceByDHBaseFuzzTest(data, size);
93 return 0;
94 }
95
96