/*

 * Copyright 2016-2026 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the Apache License 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 * https://www.openssl.org/source/license.html

 * or in the file LICENSE in the source distribution.

 */

/*

 * Fuzz the SCT parser.

 */

#include <stdio.h>

#include <openssl/ct.h>

#include <openssl/err.h>

#include "fuzzer.h"

int FuzzerInitialize(int *argc, char ***argv)

{

    OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);

    CRYPTO_free_ex_index(0, -1);

    ERR_clear_error();

    return 1;

}

int FuzzerTestOneInput(const uint8_t *buf, size_t len)

{

    const uint8_t **pp = &buf;

    unsigned char *der = NULL;

    STACK_OF(SCT) *scts = d2i_SCT_LIST(NULL, pp, (long)len);

    if (scts != NULL) {

        BIO *bio = BIO_new(BIO_s_null());

        if (bio != NULL) {

            SCT_LIST_print(scts, bio, 4, "\n", NULL);

            BIO_free(bio);

        }

        if (i2d_SCT_LIST(scts, &der)) {

            /* Silence unused result warning */

        }

        OPENSSL_free(der);

        SCT_LIST_free(scts);

    }

    ERR_clear_error();

    return 0;

}

void FuzzerCleanup(void)

{

}