/*

 * Copyright (c) 2017-2024 Free Software Foundation, Inc.

 *

 * This file is part of libwget.

 *

 * Libwget is free software: you can redistribute it and/or modify

 * it under the terms of the GNU Lesser General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * Libwget is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with libwget.  If not, see <https://www.gnu.org/licenses/>.

 */

#include <config.h>

#include <stdio.h>

#include <stdint.h>

#include <stdlib.h>

#include <string.h>

#include "wget.h"

#include "fuzzer.h"

static const uint8_t *g_data;

static size_t g_size;

#if defined HAVE_DLFCN_H && defined HAVE_FMEMOPEN

#include <dlfcn.h>

#ifdef RTLD_NEXT /* Not defined e.g. on CygWin */

FILE *fopen(const char *pathname, const char *mode)

{

  FILE *(*libc_fopen)(const char *, const char *) =

    (FILE *(*)(const char *, const char *)) dlsym (RTLD_NEXT, "fopen");

  if (!strcmp(pathname, "tls"))

    return fmemopen((void *) g_data, g_size, mode);

  return libc_fopen(pathname, mode);

}

#endif

#endif

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)

{

  void *p;

  size_t len;

  if (size > 256) // same as max_len = 256 in .options file

    return 0;

  g_data = data;

  g_size = size;

  wget_tls_session_db *tlssess_db = wget_tls_session_db_init(NULL);

#if ! defined _WIN32 && defined HAVE_FMEMOPEN

  wget_tls_session_db_load(tlssess_db, "tls");

#endif

  if (wget_tls_session_get(tlssess_db, "x.y", &p, &len) == 0)

    wget_free(p);

  wget_tls_session_db_free(&tlssess_db);

  return 0;

}