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 "touchpadpinchswitch_fuzzer.h"
17
18 #include "securec.h"
19 #include "input_manager.h"
20 #include "mmi_log.h"
21
22 namespace OHOS {
23 namespace MMI {
24
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 if (data == nullptr || size < sizeof(T)) {
29 return 0;
30 }
31 errno_t ret = memcpy_s(&object, sizeof(T), data, sizeof(T));
32 if (ret != EOK) {
33 return 0;
34 }
35 return sizeof(T);
36 }
37
TouchpadPinchSwitchFuzzTest(const uint8_t * data,size_t size)38 void TouchpadPinchSwitchFuzzTest(const uint8_t *data, size_t size)
39 {
40 int32_t rnd1 = 0;
41 (void)GetObject<int32_t>(rnd1, data, size);
42 bool enable1 = ((rnd1 & 1) == 0);
43 (void)InputManager::GetInstance()->SetTouchpadPinchSwitch(enable1);
44 bool state1 = false;
45 (void)InputManager::GetInstance()->GetTouchpadPinchSwitch(state1);
46 if (size > sizeof(int32_t)) {
47 int32_t rnd2 = 0;
48 (void)GetObject<int32_t>(rnd2, data + sizeof(int32_t), size - sizeof(int32_t));
49 bool enable2 = ((rnd2 & 1) != 0);
50 (void)InputManager::GetInstance()->SetTouchpadPinchSwitch(enable2);
51 bool state2 = false;
52 (void)InputManager::GetInstance()->GetTouchpadPinchSwitch(state2);
53 }
54 }
55
56 } // namespace MMI
57 } // namespace OHOS
58
59 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)60 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
61 {
62 OHOS::MMI::TouchpadPinchSwitchFuzzTest(data, size);
63 return 0;
64 }