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 "initializeinputevent_fuzzer.h" 19 #include "securec.h" 20 21 #undef MMI_LOG_TAG 22 #define MMI_LOG_TAG "InitializeInputEventFuzzTest" 23 24 namespace OHOS { 25 namespace MMI { InitializeInputEventFuzzTest(FuzzedDataProvider & provider)26bool InitializeInputEventFuzzTest(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 pointerEvent->SetActionTime(actionTime); 35 pointerEvent->SetDeviceId(deviceId); 36 pointerEvent->SetSourceType(sourceType); 37 pointerEvent->SetPointerAction(pointerAction); 38 pointerEvent->SetId(id); 39 40 PointerEvent::PointerItem pointerItem; 41 int32_t displayX = provider.ConsumeIntegral<int32_t>(); 42 int32_t displayY = provider.ConsumeIntegral<int32_t>(); 43 int32_t toolType = provider.ConsumeIntegral<int32_t>(); 44 int32_t pointerId = provider.ConsumeIntegral<int32_t>(); 45 pointerItem.SetDisplayX(displayX); 46 pointerItem.SetDisplayY(displayY); 47 pointerItem.SetToolType(toolType); 48 pointerItem.SetPointerId(pointerId); 49 pointerEvent->AddPointerItem(pointerItem); 50 51 int64_t frameTime = provider.ConsumeIntegral<int64_t>(); 52 EventResample eventResample; 53 eventResample.InitializeInputEvent(pointerEvent, frameTime); 54 return true; 55 } 56 } // MMI 57 } // OHOS 58 59 /* Fuzzer entry point */ LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)60extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) 61 { 62 /* Run your code on data */ 63 if (data == nullptr) { 64 return 0; 65 } 66 FuzzedDataProvider provider(data, size); 67 OHOS::MMI::InitializeInputEventFuzzTest(provider); 68 return 0; 69 } 70