1 /*
2 * Copyright (c) 2022-2024 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 "dcameranotify_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <fuzzer/FuzzedDataProvider.h>
21
22 #include "dcamera_provider.h"
23 #include "v1_1/dcamera_types.h"
24
25 namespace OHOS {
26 namespace DistributedHardware {
27 const uint8_t MAX_STRING_LENGTH = 255;
28
DcameraNotifyFuzzTest(const uint8_t * data,size_t size)29 void DcameraNotifyFuzzTest(const uint8_t* data, size_t size)
30 {
31 if ((data == nullptr) || (size < sizeof(int))) {
32 return;
33 }
34
35 FuzzedDataProvider fdp(data, size);
36 std::string deviceId = "1";
37 std::string dhId = "2";
38 DHBase dhBase;
39 dhBase.deviceId_ = deviceId;
40 dhBase.dhId_ = dhId;
41 DCameraHDFEvent event;
42 event.type_ = fdp.ConsumeIntegral<int>();
43 event.result_ = fdp.ConsumeIntegral<int>();
44 event.content_ = fdp.ConsumeRandomLengthString(MAX_STRING_LENGTH);
45
46 DCameraProvider::GetInstance()->Notify(dhBase, event);
47 dhBase.deviceId_ = "";
48 DCameraProvider::GetInstance()->Notify(dhBase, event);
49
50 const uint32_t eventContentMaxLength = 50 * 1024 * 1024;
51 const uint32_t extraContentLength = 1024;
52 const uint32_t minContentLength = (50 * 1024 * 1024) + 1;
53 size_t contentLength = fdp.ConsumeIntegralInRange<size_t>(minContentLength,
54 eventContentMaxLength + extraContentLength);
55 event.content_ = fdp.ConsumeBytesAsString(contentLength);
56 DCameraProvider::GetInstance()->Notify(dhBase, event);
57 }
58 }
59 }
60
61 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)62 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
63 {
64 /* Run your code on data */
65 OHOS::DistributedHardware::DcameraNotifyFuzzTest(data, size);
66 return 0;
67 }
68
69