A C library for asynchronous DNS requests (grpc依赖)
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/*
* Copyright (C) The c-ares project
*
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting
* documentation, and that the name of M.I.T. not be used in
* advertising or publicity pertaining to distribution of the
* software without specific, written prior permission.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* SPDX-License-Identifier: MIT
*/
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include "ares.h"
// Include ares internal file for DNS protocol constants
#include "ares_nameser.h"
int LLVMFuzzerTestOneInput(const unsigned char *data, unsigned long size);
// Entrypoint for Clang's libfuzzer, exercising query creation.
int LLVMFuzzerTestOneInput(const unsigned char *data, unsigned long size)
{
// Null terminate the data.
char *name = malloc(size + 1);
unsigned char *buf = NULL;
int buflen = 0;
name[size] = '\0';
memcpy(name, data, size);
ares_create_query(name, C_IN, T_AAAA, 1234, 0, &buf, &buflen, 1024);
free(buf);
free(name);
return 0;
}