/*

 * 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 <assert.h>

#include <stdio.h>

#include <stdint.h>

#include <stdlib.h>

#include <string.h>

#include "wget.h"

#include "fuzzer.h"

static void cookie_free(void *cookie)

{

  if (cookie)

    wget_cookie_free((wget_cookie **) &cookie);

}

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)

{

  wget_cookie_db *db, *db2;

  wget_cookie *cookie, *cookie2;

  wget_iri *iri;

  wget_vector *cookies;

  char *in;

  if (size > 1000) // same as max_len = 10000 in .options file

    return 0;

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

  assert(in != NULL);

  // 0 terminate

  memcpy(in, data, size);

  in[size] = 0;

  wget_free(wget_cookie_to_setcookie(NULL));

  wget_cookie_store_cookie(NULL, NULL);

  wget_cookie_db_save(NULL, NULL);

  wget_cookie_db_load(NULL, NULL);

  wget_cookie_create_request_header(NULL, NULL);

  db = wget_cookie_db_init(NULL);

  wget_cookie_set_keep_session_cookies(db, (size&1) == 0);

  wget_cookie_parse_setcookie(in, &cookie);

  wget_free(wget_cookie_to_setcookie(cookie));

  if (cookie) {

    char fname[64];

    wget_cookie_check_psl(db, cookie);

    iri = wget_iri_parse("x.y", "iso-8859-1");

    wget_cookie_normalize(iri, cookie);

    wget_cookie_store_cookie(db, cookie);

    wget_cookie_parse_setcookie(in, &cookie2);

    cookies = wget_vector_create(4, NULL);

    wget_vector_set_destructor(cookies, cookie_free);

    wget_vector_add(cookies, cookie2);

    wget_cookie_normalize_cookies(iri, cookies);

    wget_cookie_store_cookies(db, cookies);

    wget_http_free_cookies(&cookies);

    wget_free(wget_cookie_create_request_header(db, iri));

    wget_iri_free(&iri);

    // test load & save functions

    wget_snprintf(fname, sizeof(fname), "%d.tmp", getpid());

    wget_cookie_db_save(db, fname);

    db2 = wget_cookie_db_init(NULL);

    wget_cookie_db_load(db2, fname);

    wget_cookie_db_free(&db2);

    unlink(fname);

  }

  wget_cookie_db_load_psl(NULL, NULL);

  wget_cookie_db_load_psl(db, "/dev/null");

  wget_cookie_db_load_psl(db, NULL);

  //  wget_cookie_free(&cookie);

  wget_cookie_db_free(&db);

  free(in);

  return 0;

}