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 "addgesturemonitor_fuzzer.h"
17
18 #include "securec.h"
19
20 #include "input_manager.h"
21 #include "mmi_log.h"
22
23 #undef MMI_LOG_TAG
24 #define MMI_LOG_TAG "AddGestureMonitorFuzzTest"
25
26 namespace OHOS {
27 namespace MMI {
28 class InputEventConsumerTest : public IInputEventConsumer {
29 public:
OnInputEvent(std::shared_ptr<KeyEvent> keyEvent) const30 void OnInputEvent(std::shared_ptr<KeyEvent> keyEvent) const override {};
OnInputEvent(std::shared_ptr<PointerEvent> pointerEvent) const31 void OnInputEvent(std::shared_ptr<PointerEvent> pointerEvent) const override
32 {
33 MMI_HILOGD("Report pointer event success");
34 };
OnInputEvent(std::shared_ptr<AxisEvent> axisEvent) const35 void OnInputEvent(std::shared_ptr<AxisEvent> axisEvent) const override {};
36 };
37
GetObject(T & object,const uint8_t * data,size_t size)38 template <class T> size_t GetObject(T &object, const uint8_t *data, size_t size)
39 {
40 size_t objectSize = sizeof(object);
41 if (objectSize > size) {
42 return 0;
43 }
44 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
45 if (ret != EOK) {
46 return 0;
47 }
48 return objectSize;
49 }
50
AddGestureMonitorFuzzTest(const uint8_t * data,size_t size)51 void AddGestureMonitorFuzzTest(const uint8_t* data, size_t size)
52 {
53 int32_t type = 0;
54 int32_t fingers = 0;
55 size_t startPos = GetObject<int32_t>(type, data, size);
56 GetObject<int32_t>(fingers, data + startPos, size - startPos);
57 auto consumer = std::make_shared<InputEventConsumerTest>();
58 int32_t monitorId = OHOS::MMI::InputManager::GetInstance()->AddGestureMonitor(consumer, type, fingers);
59 OHOS::MMI::InputManager::GetInstance()->RemoveGestureMonitor(monitorId);
60 }
61 } // namespace MMI
62 } // namespace OHOS
63
64 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)65 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
66 {
67 /* Run your code on data */
68 OHOS::MMI::AddGestureMonitorFuzzTest(data, size);
69 return 0;
70 }