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 "startlight_fuzzer.h"
17 #include "securec.h"
18 #include "light_agent.h"
19
20 namespace OHOS {
21 namespace Sensors {
22 template<class T>
GetObject(T & object,const uint8_t * data,size_t size)23 size_t GetObject(T &object, const uint8_t *data, size_t size)
24 {
25 size_t objectSize = sizeof(object);
26 if (objectSize > size) {
27 return 0;
28 }
29 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
30 if (ret != EOK) {
31 return 0;
32 }
33 return objectSize;
34 }
35
StartLightFuzzTest(const uint8_t * data,size_t size)36 void StartLightFuzzTest(const uint8_t *data, size_t size)
37 {
38 size_t startPos = 0;
39 int32_t lightId;
40 startPos += GetObject<int32_t>(lightId, data + startPos, size - startPos);
41 LightColor color;
42 startPos += GetObject<LightColor>(color, data + startPos, size - startPos);
43 LightAnimation animation;
44 GetObject<LightAnimation>(animation, data + startPos, size - startPos);
45 OHOS::Sensors::TurnOn(lightId, color, animation);
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 OHOS::Sensors::StartLightFuzzTest(data, size);
55 return 0;
56 }
57