libpsl/fuzz/libpsl_load_fuzzer.c

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/*
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* Copyright(c) 2017-2018 Tim Ruehsen
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* This file is part of libpsl.
*/
#include <config.h>
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#include <assert.h> /* assert */
#ifdef HAVE_STDINT_H
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#include <stdint.h> /* uint8_t */
#elif defined (_MSC_VER)
typedef unsigned __int8 uint8_t;
#endif
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#include <stdlib.h> /* malloc, free */
#include <string.h> /* memcpy */
#include <stdio.h> /* fmemopen */
#include "libpsl.h"
#include "fuzzer.h"
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
#ifdef HAVE_FMEMOPEN
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FILE *fp;
psl_ctx_t *psl;
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fp = fmemopen((void *)data, size, "r");
if (!fp && size) /* libc6 < 2.22 return NULL when size == 0 */
assert(1);
psl = psl_load_fp(fp);
psl_is_public_suffix(NULL, NULL);
psl_is_public_suffix(psl, ".ü.com");
psl_free(psl);
if (fp)
fclose(fp);
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psl_load_file("/dev/null");
#endif
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return 0;
}