Coverage Report

Created: 2025-07-18 06:17

/src/logging-log4cxx/src/fuzzers/cpp/TimeBasedRollingPolicyFuzzer.cpp
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/*
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 * Licensed to the Apache Software Foundation (ASF) under one or more
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 * contributor license agreements.  See the NOTICE file distributed with
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 * this work for additional information regarding copyright ownership.
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 * The ASF licenses this file to You under the Apache License, Version 2.0
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 * (the "License"); you may not use this file except in compliance with
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 * the License.  You may obtain a copy of the License at
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 *
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 *      http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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#include "stdint.h"
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#include <fuzzer/FuzzedDataProvider.h>
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#include <log4cxx/patternlayout.h>
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#include <log4cxx/rolling/rollingfileappender.h>
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#include <log4cxx/rolling/timebasedrollingpolicy.h>
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#include <log4cxx/logmanager.h>
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#define DATE_PATTERN            "yyyy-MM-dd_HH_mm_ss"
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#define PATTERN_LAYOUT          LOG4CXX_STR("%c{1} - %m%n")
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using namespace log4cxx;
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using namespace log4cxx::helpers;
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using namespace log4cxx::rolling;
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// A fuzzer for TimeBasedRollingPolicy
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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    FuzzedDataProvider fdp(data, size);
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    // Set up logger
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    Pool            pool;
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    PatternLayoutPtr         layout( new PatternLayout(PATTERN_LAYOUT));
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    RollingFileAppenderPtr  rfa(    new RollingFileAppender());
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    rfa->setAppend(fdp.ConsumeBool());
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    rfa->setLayout(layout);
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    TimeBasedRollingPolicyPtr tbrp = TimeBasedRollingPolicyPtr(new TimeBasedRollingPolicy());
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    bool usegz = fdp.ConsumeBool();
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    if(usegz) {
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           tbrp->setFileNamePattern(LogString(LOG4CXX_STR("fuzz-%d{" DATE_PATTERN "}.gz")));
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    } else {
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           tbrp->setFileNamePattern(LogString(LOG4CXX_STR("fuzz-%d{" DATE_PATTERN "}.zip")));
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    }
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    rfa->setFile(LOG4CXX_STR("test.log"));
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    tbrp->activateOptions(pool);
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    rfa->setRollingPolicy(tbrp);
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    rfa->activateOptions(pool);
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    rfa->setBufferedSeconds(fdp.ConsumeIntegral<int>());
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    rfa->activateOptions(pool);
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    LoggerPtr logger = LogManager::getLogger("org.apache.log4j.TimeBasedRollingTest");
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    logger->addAppender(rfa);
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    // Log and rollover
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5.77k
    for (int i = 0; i < 10; i++)
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    {
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            if (i == 4 || i == 9)
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1.05k
            {
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                rfa->rollover(pool);
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            }
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            LOG4CXX_DEBUG(logger, fdp.ConsumeRandomLengthString());
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    }
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    // Cleanup
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    logger->removeAppender(rfa);
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    rfa->close();
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    LogManager::shutdown();
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    std::remove("test.log");
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    return 0;
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}