1 /*
2 * Copyright (c) 2025 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 "getlightlist_fuzzer.h"
17 #include "securec.h"
18 #include "light_agent.h"
19
20 namespace OHOS {
21 namespace Sensors {
22 namespace {
23 constexpr size_t U32_AT_SIZE = 12;
24 } // namespace
25
26 template<class T>
GetObject(T & object,const uint8_t * data,size_t size)27 size_t GetObject(T &object, const uint8_t *data, size_t size)
28 {
29 size_t objectSize = sizeof(object);
30 if (objectSize > size) {
31 return 0;
32 }
33 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
34 if (ret != EOK) {
35 return 0;
36 }
37 return objectSize;
38 }
39
GetLightListFuzzTest(const uint8_t * data,size_t size)40 void GetLightListFuzzTest(const uint8_t *data, size_t size)
41 {
42 int32_t count = -1;
43 GetObject<int32_t>(count, data, size);
44 LightInfo *lightInfo = nullptr;
45 GetLightList(&lightInfo, count);
46 }
47 } // namespace Sensors
48 } // namespace OHOS
49
50 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)51 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
52 {
53 /* Run your code on data */
54 if (data == nullptr) {
55 return 0;
56 }
57
58 /* Validate the length of size */
59 if (size < OHOS::Sensors::U32_AT_SIZE) {
60 return 0;
61 }
62 /* Run your code on data */
63 OHOS::Sensors::GetLightListFuzzTest(data, size);
64 return 0;
65 }
66