/*

 * Copyright(c) 2017-2024 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>

#include <assert.h> /* assert */

#ifdef HAVE_STDINT_H

#include <stdint.h> /* uint8_t */

#elif defined (_MSC_VER)

typedef unsigned __int8 uint8_t;

#endif

#include <stdlib.h> /* malloc, free */

#include <string.h> /* memcpy */

#if defined(WITH_LIBICU)

#include <unicode/uclean.h>

#endif

#include "libpsl.h"

#include "fuzzer.h"

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)

{

  static int first_run = 1;

  psl_ctx_t *psl;

  char *domain, *res;

  int rc;

  if (size > 64 * 1024 - 1)

    return 0;

  domain = (char *) malloc(size + 1);

  assert(domain != NULL);

  /* 0 terminate */

  memcpy(domain, data, size);

  domain[size] = 0;

  psl = (psl_ctx_t *) psl_builtin();

  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);

  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);

  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);

  psl_free(psl);

  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;

  }

  free(domain);

#if defined(WITH_LIBICU)

  u_cleanup(); /* free all library internal memory to avoid memory leaks being reported */

#endif

  return 0;

}