| /* |
| * Copyright 2020 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 "InputClassifier.h" |
| #include "InputClassifierConverter.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 = AMOTION_EVENT_TOOL_TYPE_FINGER; |
| 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>()); |
| } |
| |
| nsecs_t downTime = 2; |
| NotifyMotionArgs motionArgs(fdp.ConsumeIntegral<uint32_t>() /*sequenceNum*/, |
| downTime /*eventTime*/, fdp.ConsumeIntegral<int32_t>() /*deviceId*/, |
| AINPUT_SOURCE_ANY, ADISPLAY_ID_DEFAULT, |
| fdp.ConsumeIntegral<uint32_t>() /*policyFlags*/, |
| AMOTION_EVENT_ACTION_DOWN, |
| fdp.ConsumeIntegral<int32_t>() /*actionButton*/, |
| fdp.ConsumeIntegral<int32_t>() /*flags*/, AMETA_NONE, |
| fdp.ConsumeIntegral<int32_t>() /*buttonState*/, |
| MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, |
| 1 /*pointerCount*/, &properties, &coords, |
| fdp.ConsumeFloatingPoint<float>() /*xPrecision*/, |
| fdp.ConsumeFloatingPoint<float>() /*yPrecision*/, |
| 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); |
| |
| sp<FuzzInputListener> mFuzzListener = new FuzzInputListener(); |
| sp<InputClassifierInterface> mClassifier = new InputClassifier(mFuzzListener); |
| |
| while (fdp.remaining_bytes() > 0) { |
| fdp.PickValueInArray<std::function<void()>>({ |
| [&]() -> void { |
| // SendToNextStage_NotifyConfigurationChangedArgs |
| NotifyConfigurationChangedArgs |
| args(fdp.ConsumeIntegral<uint32_t>() /*sequenceNum*/, |
| fdp.ConsumeIntegral<nsecs_t>() /*eventTime*/); |
| mClassifier->notifyConfigurationChanged(&args); |
| }, |
| [&]() -> void { |
| // SendToNextStage_NotifyKeyArgs |
| NotifyKeyArgs keyArgs(fdp.ConsumeIntegral<uint32_t>() /*sequenceNum*/, |
| fdp.ConsumeIntegral<nsecs_t>() /*eventTime*/, |
| fdp.ConsumeIntegral<int32_t>() /*deviceId*/, |
| AINPUT_SOURCE_KEYBOARD, ADISPLAY_ID_DEFAULT, |
| fdp.ConsumeIntegral<uint32_t>() /*policyFlags*/, |
| AKEY_EVENT_ACTION_DOWN, |
| fdp.ConsumeIntegral<int32_t>() /*flags*/, AKEYCODE_HOME, |
| fdp.ConsumeIntegral<int32_t>() /*scanCode*/, AMETA_NONE, |
| fdp.ConsumeIntegral<nsecs_t>() /*downTime*/); |
| |
| mClassifier->notifyKey(&keyArgs); |
| }, |
| [&]() -> void { |
| // SendToNextStage_NotifyMotionArgs |
| NotifyMotionArgs motionArgs = generateFuzzedMotionArgs(fdp); |
| mClassifier->notifyMotion(&motionArgs); |
| }, |
| [&]() -> void { |
| // SendToNextStage_NotifySwitchArgs |
| NotifySwitchArgs switchArgs(fdp.ConsumeIntegral<uint32_t>() /*sequenceNum*/, |
| fdp.ConsumeIntegral<nsecs_t>() /*eventTime*/, |
| fdp.ConsumeIntegral<uint32_t>() /*policyFlags*/, |
| fdp.ConsumeIntegral<uint32_t>() /*switchValues*/, |
| fdp.ConsumeIntegral<uint32_t>() /*switchMask*/); |
| |
| mClassifier->notifySwitch(&switchArgs); |
| }, |
| [&]() -> void { |
| // SendToNextStage_NotifyDeviceResetArgs |
| NotifyDeviceResetArgs resetArgs(fdp.ConsumeIntegral<uint32_t>() /*sequenceNum*/, |
| fdp.ConsumeIntegral<nsecs_t>() /*eventTime*/, |
| fdp.ConsumeIntegral<int32_t>() /*deviceId*/); |
| |
| mClassifier->notifyDeviceReset(&resetArgs); |
| }, |
| [&]() -> void { |
| // InputClassifierConverterTest |
| const NotifyMotionArgs motionArgs = generateFuzzedMotionArgs(fdp); |
| hardware::input::common::V1_0::MotionEvent motionEvent = |
| notifyMotionArgsToHalMotionEvent(motionArgs); |
| }, |
| })(); |
| } |
| return 0; |
| } |
| |
| } // namespace android |