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/*
* Copyright (C) 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 <fuzzer/FuzzedDataProvider.h>
#include <binder/Parcel.h>
#include <binder/TextOutput.h>
#include "android-base/file.h"
#include "android-base/test_utils.h"
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <cstddef>
#include <limits>
// Fuzzer for the TextOutput class. These were lifted from the existing
// test suite.
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
FuzzedDataProvider fdp(data, size);
CapturedStderr cap;
while (fdp.remaining_bytes() > 1) {
switch (fdp.ConsumeIntegral<uint8_t>() % 3) {
case 0: {
std::string input = fdp.ConsumeBytesAsString(
fdp.ConsumeIntegralInRange<size_t>(0, fdp.remaining_bytes()));
android::aerr << input << android::endl;
break;
}
case 1: {
std::string str = fdp.ConsumeRandomLengthString(fdp.remaining_bytes());
android::HexDump input(str.c_str(), sizeof(str.c_str()));
android::aerr << input << android::endl;
break;
}
case 2: {
android::TypeCode input(fdp.ConsumeIntegral<uint32_t>());
android::aerr << input << android::endl;
}
}
}
cap.Stop();
return 0;
}
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