1 /*
2 * Copyright (c) 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 "gethardwarecursorstats_fuzzer.h"
17
18 #include "ipc_skeleton.h"
19 #include "securec.h"
20
21 #include "input_manager.h"
22
23 namespace OHOS {
24 namespace MMI {
25 template<class T>
GetObject(T &object, const uint8_t *data, size_t size)26 size_t GetObject(T &object, const uint8_t *data, size_t size)
27 {
28 size_t objectSize = sizeof(object);
29 if (objectSize > size) {
30 return 0;
31 }
32 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
33 if (ret != EOK) {
34 return 0;
35 }
36 return objectSize;
37 }
38
GetHardwareCursorStatsFuzzTest(const uint8_t *data, size_t size)39 void GetHardwareCursorStatsFuzzTest(const uint8_t *data, size_t size)
40 {
41 int32_t mouseX;
42 size_t startPos = 0;
43 startPos += GetObject<int32_t>(mouseX, data + startPos, size - startPos);
44 int32_t mouseY;
45 startPos += GetObject<int32_t>(mouseY, data + startPos, size - startPos);
46 InputManager::GetInstance()->EnableHardwareCursorStats(true);
47 InputManager::GetInstance()->MoveMouse(mouseX, mouseY);
48 InputManager::GetInstance()->EnableHardwareCursorStats(false);
49 uint32_t frameCount = 2;
50 uint32_t vsyncCount = 2;
51 InputManager::GetInstance()->GetHardwareCursorStats(frameCount, vsyncCount);
52 }
53 } // MMI
54 } // OHOS
55
56 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)57 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
58 {
59 /* Run your code on data */
60 OHOS::MMI::GetHardwareCursorStatsFuzzTest(data, size);
61 return 0;
62 }