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 "ispointervisible_fuzzer.h"
17
18 #include "securec.h"
19
20 #include "input_manager.h"
21 #include "mmi_log.h"
22
23 namespace OHOS {
24 namespace MMI {
GetObject(T & object,const uint8_t * data,size_t size)25 template <class T> size_t GetObject(T &object, const uint8_t *data, size_t size)
26 {
27 size_t objectSize = sizeof(object);
28 if (objectSize > size) {
29 return 0;
30 }
31 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
32 if (ret != EOK) {
33 return 0;
34 }
35 return objectSize;
36 }
37
IsPointerVisibleFuzzTest(const uint8_t * data,size_t size)38 void IsPointerVisibleFuzzTest(const uint8_t *data, size_t size)
39 {
40 size_t startPos = 0;
41 int32_t random;
42 GetObject<int32_t>(random, data + startPos, size - startPos);
43 bool visible = (random % 2) ? false : true;
44 InputManager::GetInstance()->IsPointerVisible(visible);
45 }
46 } // MMI
47 } // OHOS
48
49 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)50 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
51 {
52 /* Run your code on data */
53 OHOS::MMI::IsPointerVisibleFuzzTest(data, size);
54 return 0;
55 }