1 /*
2 * Copyright (c) 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 "issupporteffect_fuzzer.h"
17
18 #include "securec.h"
19
20 #include "vibrator_agent.h"
21
22 namespace OHOS {
23 namespace Sensors {
24 namespace {
25 constexpr size_t DATA_MIN_SIZE = 20;
26 constexpr char END_CHAR = '\0';
27 constexpr size_t LEN = 20;
28 } // namespace
29
30 template<class T>
GetObject(const uint8_t * data,size_t size,T & object)31 size_t GetObject(const uint8_t *data, size_t size, T &object)
32 {
33 size_t objectSize = sizeof(object);
34 if (objectSize > size) {
35 return 0;
36 }
37 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
38 if (ret != EOK) {
39 return 0;
40 }
41 return objectSize;
42 }
43
IsSupportEffectFuzzTest(const uint8_t * data,size_t size)44 void IsSupportEffectFuzzTest(const uint8_t *data, size_t size)
45 {
46 if (data == nullptr || size < DATA_MIN_SIZE) {
47 return;
48 }
49 size_t startPos = 0;
50 char effectId[LEN + 1];
51 effectId[LEN] = END_CHAR;
52 for (size_t i = 0; i < LEN; ++i) {
53 startPos += GetObject<char>(data + startPos, size - startPos, effectId[i]);
54 }
55 bool state { false };
56 OHOS::Sensors::IsSupportEffect(effectId, &state);
57 }
58 } // namespace Sensors
59 } // namespace OHOS
60
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)61 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
62 {
63 OHOS::Sensors::IsSupportEffectFuzzTest(data, size);
64 return 0;
65 }