xref: /base/startup/init/test/fuzztest/parseueventconfig_fuzzer/parseueventconfig_fuzzer.cpp

/*
 * Copyright (c) 2024 Huawei Device Co., Ltd.
 * 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 "parseueventconfig_fuzzer.h"
#include <string>
#include "ueventd_read_cfg.h"
#include "securec.h"
#define MAX_ALLOW_SIZE 100
namespace OHOS {
    bool FuzzParseUeventConfig(const uint8_t* data, size_t size)
    {
        bool result = false;
        if (size == 0 && size > MAX_ALLOW_SIZE) {
            return false;
        }
        std::string str(reinterpret_cast<const char*>(data), size);
        char *buffer = new char[size+1];
        int ret = strcpy_s(buffer, size+1, str.c_str());
        if (ret != 0) {
            delete[] buffer;
            return false;
        }
        if (ParseUeventConfig(buffer) != 0) {
            result = true;
        }
        delete[] buffer;
        return result;
    }
}

/* Fuzzer entry point */
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
{
    /* Run your code on data */
    OHOS::FuzzParseUeventConfig(data, size);
    return 0;
}