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 <fuzzer/FuzzedDataProvider.h>
17 #include "event_resample.h"
18 #include "updatepointerevent_fuzzer.h"
19 #include "securec.h"
20
21 #undef MMI_LOG_TAG
22 #define MMI_LOG_TAG "UpdatePointerEventFuzzTest"
23
24 namespace OHOS {
25 namespace MMI {
UpdatePointerEventFuzzTest(FuzzedDataProvider & provider)26 bool UpdatePointerEventFuzzTest(FuzzedDataProvider &provider)
27 {
28 std::shared_ptr<PointerEvent> pointerEvent = PointerEvent::Create();
29 int64_t actionTime = provider.ConsumeIntegral<int64_t>();
30 int32_t deviceId = provider.ConsumeIntegral<int32_t>();
31 int32_t sourceType = provider.ConsumeIntegral<int32_t>();
32 int32_t pointerAction = provider.ConsumeIntegral<int32_t>();
33 int32_t id = provider.ConsumeIntegral<int32_t>();
34 uint32_t flag = provider.ConsumeIntegral<uint32_t>();
35 pointerEvent->SetActionTime(actionTime);
36 pointerEvent->SetDeviceId(deviceId);
37 pointerEvent->SetSourceType(sourceType);
38 pointerEvent->SetPointerAction(pointerAction);
39 pointerEvent->SetId(id);
40 pointerEvent->AddFlag(flag);
41 PointerEvent::PointerItem pointerItem;
42 uint32_t pointerId = provider.ConsumeIntegral<uint32_t>();
43 int32_t windowX = provider.ConsumeIntegral<int32_t>();
44 int32_t windowY = provider.ConsumeIntegral<int32_t>();
45 pointerItem.SetToolWindowX(windowX);
46 pointerItem.SetToolWindowY(windowY);
47 pointerItem.SetPointerId(pointerId);
48 pointerEvent->AddPointerItem(pointerItem);
49
50 int32_t coordX = provider.ConsumeIntegral<int32_t>();
51 int32_t coordY = provider.ConsumeIntegral<int32_t>();
52 int32_t toolType = provider.ConsumeIntegral<int32_t>();
53 EventResample::Pointer pointer = {
54 .coordX = coordX,
55 .coordY = coordY,
56 .toolType = toolType,
57 .id = pointerId
58 };
59 auto outEvent = std::make_unique<EventResample::MotionEvent>();
60 outEvent->InitializeFrom(pointerEvent);
61 outEvent->pointers.insert(std::make_pair(pointerId, pointer));
62 EventResample eventResample;
63 eventResample.pointerEvent_ = PointerEvent::Create();
64 eventResample.UpdatePointerEvent(outEvent.get());
65 return true;
66 }
67 } // MMI
68 } // OHOS
69
70 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)71 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
72 {
73 /* Run your code on data */
74 if (data == nullptr) {
75 return 0;
76 }
77 FuzzedDataProvider provider(data, size);
78 OHOS::MMI::UpdatePointerEventFuzzTest(provider);
79 return 0;
80 }
81