libpsl/fuzz/libpsl_fuzzer.c

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/*
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* Copyright(c) 2017-2018 Tim Ruehsen
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*
* 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 */
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#if defined(WITH_LIBICU)
#include <unicode/uclean.h>
#endif
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#include "libpsl.h"
#include "fuzzer.h"
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
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static int first_run = 1;
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psl_ctx_t *psl;
char *domain, *res;
int rc;
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if (size > 64 * 1024 - 1)
return 0;
domain = (char *) malloc(size + 1);
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assert(domain != NULL);
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/* 0 terminate */
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memcpy(domain, data, size);
domain[size] = 0;
psl = (psl_ctx_t *) psl_builtin();
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psl_is_public_suffix(psl, domain);
psl_is_public_suffix2(psl, domain, PSL_TYPE_PRIVATE);
psl_is_public_suffix2(psl, domain, PSL_TYPE_ICANN);
psl_is_public_suffix2(psl, domain, PSL_TYPE_NO_STAR_RULE);
psl_is_public_suffix2(psl, domain, PSL_TYPE_NO_STAR_RULE|PSL_TYPE_ANY);
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psl_unregistrable_domain(psl, domain);
psl_registrable_domain(psl, domain);
psl_is_cookie_domain_acceptable(psl, "", NULL);
psl_is_cookie_domain_acceptable(psl, "a.b.c.e.com", domain);
if ((rc = psl_str_to_utf8lower(domain, "utf-8", NULL, &res)) == PSL_SUCCESS)
free(res);
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if ((rc = psl_str_to_utf8lower(domain, "iso-8859-1", NULL, &res)) == PSL_SUCCESS)
free(res);
if ((rc = psl_str_to_utf8lower(domain, NULL, NULL, &res)) == PSL_SUCCESS)
free(res);
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psl_free(psl);
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if (first_run) {
psl_is_public_suffix(NULL, domain);
psl_check_version_number(1);
psl_get_version();
psl_dist_filename();
psl_builtin_outdated();
psl_builtin_filename();
psl_builtin_sha1sum();
psl_builtin_file_time();
first_run = 0;
}
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free(domain);
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#if defined(WITH_LIBICU)
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u_cleanup(); /* free all library internal memory to avoid memory leaks being reported */
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#endif
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return 0;
}