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 "markconsumed_fuzzer.h"
17
18 #include "securec.h"
19
20 #include "define_multimodal.h"
21 #include "input_manager.h"
22 #include "mmi_log.h"
23
24 #undef MMI_LOG_TAG
25 #define MMI_LOG_TAG "MarkConsumedFuzzTest"
26
27 namespace OHOS {
28 namespace MMI {
29 class InputEventConsumerTest : public IInputEventConsumer {
30 public:
OnInputEvent(std::shared_ptr<KeyEvent> keyEvent) const31 void OnInputEvent(std::shared_ptr<KeyEvent> keyEvent) const override{};
OnInputEvent(std::shared_ptr<PointerEvent> pointerEvent) const32 void OnInputEvent(std::shared_ptr<PointerEvent> pointerEvent) const override
33 {
34 MMI_HILOGD("Report pointer event success");
35 };
OnInputEvent(std::shared_ptr<AxisEvent> axisEvent) const36 void OnInputEvent(std::shared_ptr<AxisEvent> axisEvent) const override{};
37 };
38
GetObject(const uint8_t * data,size_t size,T & object)39 template <class T> size_t GetObject(const uint8_t *data, size_t size, T &object)
40 {
41 size_t objectSize = sizeof(object);
42 if (objectSize > size) {
43 return 0;
44 }
45 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
46 if (ret != EOK) {
47 return 0;
48 }
49 return objectSize;
50 }
51
MarkConsumedFuzzTest(const uint8_t * data,size_t size)52 void MarkConsumedFuzzTest(const uint8_t *data, size_t size)
53 {
54 CALL_DEBUG_ENTER;
55 int32_t eventId;
56 GetObject<int32_t>(data, size, eventId);
57 auto consumer = std::make_shared<InputEventConsumerTest>();
58 int32_t monitorId = InputManager::GetInstance()->AddMonitor(consumer);
59 InputManager::GetInstance()->MarkConsumed(monitorId, eventId);
60 InputManager::GetInstance()->RemoveMonitor(monitorId);
61 }
62 } // namespace MMI
63 } // namespace OHOS
64
65 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)66 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
67 {
68 /* Run your code on data */
69 OHOS::MMI::MarkConsumedFuzzTest(data, size);
70 return 0;
71 }
72