/* * 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 "android-base/file.h" #include "android/log.h" #include "fuzzer/FuzzedDataProvider.h" #include "utils/Printer.h" #include "utils/String8.h" static constexpr int MAX_STR_SIZE = 1000; extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { FuzzedDataProvider dataProvider(data, size); android::String8 outStr = android::String8(); // Line indent/formatting uint indent = dataProvider.ConsumeIntegral(); std::string prefix = dataProvider.ConsumeRandomLengthString(MAX_STR_SIZE); std::string line = dataProvider.ConsumeRandomLengthString(MAX_STR_SIZE); // Misc properties std::string logTag = dataProvider.ConsumeRandomLengthString(MAX_STR_SIZE); android_LogPriority priority = static_cast(dataProvider.ConsumeIntegral()); bool ignoreBlankLines = dataProvider.ConsumeBool(); TemporaryFile tf; android::FdPrinter filePrinter = android::FdPrinter(tf.fd, indent, prefix.c_str()); android::String8Printer stringPrinter = android::String8Printer(&outStr); android::PrefixPrinter printer = android::PrefixPrinter(stringPrinter, prefix.c_str()); android::LogPrinter logPrinter = android::LogPrinter(logTag.c_str(), priority, prefix.c_str(), ignoreBlankLines); printer.printLine(line.c_str()); printer.printFormatLine("%s", line.c_str()); logPrinter.printLine(line.c_str()); logPrinter.printFormatLine("%s", line.c_str()); filePrinter.printLine(line.c_str()); filePrinter.printFormatLine("%s", line.c_str()); return 0; }