| /* |
| * Copyright 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <MapperHelpers.h> |
| #include <fuzzer/FuzzedDataProvider.h> |
| #include "InputCommonConverter.h" |
| #include "InputProcessor.h" |
| |
| namespace android { |
| |
| static constexpr int32_t MAX_AXES = 64; |
| |
| // Used by two fuzz operations and a bit lengthy, so pulled out into a function. |
| NotifyMotionArgs generateFuzzedMotionArgs(FuzzedDataProvider &fdp) { |
| // Create a basic motion event for testing |
| PointerProperties properties; |
| properties.id = 0; |
| properties.toolType = getFuzzedToolType(fdp); |
| PointerCoords coords; |
| coords.clear(); |
| for (int32_t i = 0; i < fdp.ConsumeIntegralInRange<int32_t>(0, MAX_AXES); i++) { |
| coords.setAxisValue(fdp.ConsumeIntegral<int32_t>(), fdp.ConsumeFloatingPoint<float>()); |
| } |
| |
| const nsecs_t downTime = 2; |
| const nsecs_t readTime = downTime + fdp.ConsumeIntegralInRange<nsecs_t>(0, 1E8); |
| NotifyMotionArgs motionArgs(/*sequenceNum=*/fdp.ConsumeIntegral<uint32_t>(), |
| /*eventTime=*/downTime, readTime, |
| /*deviceId=*/fdp.ConsumeIntegral<int32_t>(), AINPUT_SOURCE_ANY, |
| ADISPLAY_ID_DEFAULT, |
| /*policyFlags=*/fdp.ConsumeIntegral<uint32_t>(), |
| AMOTION_EVENT_ACTION_DOWN, |
| /*actionButton=*/fdp.ConsumeIntegral<int32_t>(), |
| /*flags=*/fdp.ConsumeIntegral<int32_t>(), AMETA_NONE, |
| /*buttonState=*/fdp.ConsumeIntegral<int32_t>(), |
| MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, |
| /*pointerCount=*/1, &properties, &coords, |
| /*xPrecision=*/fdp.ConsumeFloatingPoint<float>(), |
| /*yPrecision=*/fdp.ConsumeFloatingPoint<float>(), |
| AMOTION_EVENT_INVALID_CURSOR_POSITION, |
| AMOTION_EVENT_INVALID_CURSOR_POSITION, downTime, |
| /*videoFrames=*/{}); |
| return motionArgs; |
| } |
| |
| extern "C" int LLVMFuzzerTestOneInput(uint8_t *data, size_t size) { |
| FuzzedDataProvider fdp(data, size); |
| |
| std::unique_ptr<FuzzInputListener> mFuzzListener = std::make_unique<FuzzInputListener>(); |
| std::unique_ptr<InputProcessorInterface> mClassifier = |
| std::make_unique<InputProcessor>(*mFuzzListener); |
| |
| while (fdp.remaining_bytes() > 0) { |
| fdp.PickValueInArray<std::function<void()>>({ |
| [&]() -> void { |
| // SendToNextStage_NotifyConfigurationChangedArgs |
| mClassifier->notifyConfigurationChanged( |
| {/*sequenceNum=*/fdp.ConsumeIntegral<int32_t>(), |
| /*eventTime=*/fdp.ConsumeIntegral<nsecs_t>()}); |
| }, |
| [&]() -> void { |
| // SendToNextStage_NotifyKeyArgs |
| const nsecs_t eventTime = fdp.ConsumeIntegral<nsecs_t>(); |
| const nsecs_t readTime = |
| eventTime + fdp.ConsumeIntegralInRange<nsecs_t>(0, 1E8); |
| mClassifier->notifyKey({/*sequenceNum=*/fdp.ConsumeIntegral<int32_t>(), |
| eventTime, readTime, |
| /*deviceId=*/fdp.ConsumeIntegral<int32_t>(), |
| AINPUT_SOURCE_KEYBOARD, ADISPLAY_ID_DEFAULT, |
| /*policyFlags=*/fdp.ConsumeIntegral<uint32_t>(), |
| AKEY_EVENT_ACTION_DOWN, |
| /*flags=*/fdp.ConsumeIntegral<int32_t>(), AKEYCODE_HOME, |
| /*scanCode=*/fdp.ConsumeIntegral<int32_t>(), AMETA_NONE, |
| /*downTime=*/fdp.ConsumeIntegral<nsecs_t>()}); |
| }, |
| [&]() -> void { |
| // SendToNextStage_NotifyMotionArgs |
| mClassifier->notifyMotion(generateFuzzedMotionArgs(fdp)); |
| }, |
| [&]() -> void { |
| // SendToNextStage_NotifySwitchArgs |
| mClassifier->notifySwitch({/*sequenceNum=*/fdp.ConsumeIntegral<int32_t>(), |
| /*eventTime=*/fdp.ConsumeIntegral<nsecs_t>(), |
| /*policyFlags=*/fdp.ConsumeIntegral<uint32_t>(), |
| /*switchValues=*/fdp.ConsumeIntegral<uint32_t>(), |
| /*switchMask=*/fdp.ConsumeIntegral<uint32_t>()}); |
| }, |
| [&]() -> void { |
| // SendToNextStage_NotifyDeviceResetArgs |
| mClassifier->notifyDeviceReset({/*sequenceNum=*/fdp.ConsumeIntegral<int32_t>(), |
| /*eventTime=*/fdp.ConsumeIntegral<nsecs_t>(), |
| /*deviceId=*/fdp.ConsumeIntegral<int32_t>()}); |
| }, |
| [&]() -> void { |
| // InputClassifierConverterTest |
| const NotifyMotionArgs motionArgs = generateFuzzedMotionArgs(fdp); |
| aidl::android::hardware::input::common::MotionEvent motionEvent = |
| notifyMotionArgsToHalMotionEvent(motionArgs); |
| }, |
| })(); |
| } |
| return 0; |
| } |
| |
| } // namespace android |