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/*
* 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 "FuzzedInputStream.h"
#include "InputCommonConverter.h"
#include "InputProcessor.h"
namespace android {
namespace {
constexpr int32_t MAX_RANDOM_DISPLAYS = 4;
}
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);
IdGenerator idGenerator(IdGenerator::Source::OTHER);
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.ConsumeIntegralInRange<nsecs_t>(0,
systemTime(SYSTEM_TIME_MONOTONIC));
const nsecs_t readTime = fdp.ConsumeIntegralInRange<
nsecs_t>(eventTime, std::numeric_limits<nsecs_t>::max());
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(idGenerator, fdp, MAX_RANDOM_DISPLAYS));
},
[&]() -> 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(idGenerator, fdp, MAX_RANDOM_DISPLAYS);
aidl::android::hardware::input::common::MotionEvent motionEvent =
notifyMotionArgsToHalMotionEvent(motionArgs);
},
})();
}
return 0;
}
} // namespace android
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