Blame fuzz/ct.c

Packit Service 084de1
/*
Packit Service 084de1
 * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
Packit Service 084de1
 *
Packit Service 084de1
 * Licensed under the OpenSSL licenses, (the "License");
Packit Service 084de1
 * you may not use this file except in compliance with the License.
Packit Service 084de1
 * You may obtain a copy of the License at
Packit Service 084de1
 * https://www.openssl.org/source/license.html
Packit Service 084de1
 * or in the file LICENSE in the source distribution.
Packit Service 084de1
 */
Packit Service 084de1
Packit Service 084de1
/*
Packit Service 084de1
 * Fuzz the SCT parser.
Packit Service 084de1
 */
Packit Service 084de1
Packit Service 084de1
#include <stdio.h>
Packit Service 084de1
#include <openssl/ct.h>
Packit Service 084de1
#include <openssl/err.h>
Packit Service 084de1
#include "fuzzer.h"
Packit Service 084de1
Packit Service 084de1
int FuzzerInitialize(int *argc, char ***argv)
Packit Service 084de1
{
Packit Service 084de1
    OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
Packit Service 084de1
    CRYPTO_free_ex_index(0, -1);
Packit Service 084de1
    ERR_get_state();
Packit Service 084de1
    return 1;
Packit Service 084de1
}
Packit Service 084de1
Packit Service 084de1
int FuzzerTestOneInput(const uint8_t *buf, size_t len)
Packit Service 084de1
{
Packit Service 084de1
    const uint8_t **pp = &buf;
Packit Service 084de1
    unsigned char *der = NULL;
Packit Service 084de1
    STACK_OF(SCT) *scts = d2i_SCT_LIST(NULL, pp, len);
Packit Service 084de1
    if (scts != NULL) {
Packit Service 084de1
        BIO *bio = BIO_new(BIO_s_null());
Packit Service 084de1
        SCT_LIST_print(scts, bio, 4, "\n", NULL);
Packit Service 084de1
        BIO_free(bio);
Packit Service 084de1
Packit Service 084de1
        if (i2d_SCT_LIST(scts, &der)) {
Packit Service 084de1
            /* Silence unused result warning */
Packit Service 084de1
        }
Packit Service 084de1
        OPENSSL_free(der);
Packit Service 084de1
Packit Service 084de1
        SCT_LIST_free(scts);
Packit Service 084de1
    }
Packit Service 084de1
    ERR_clear_error();
Packit Service 084de1
    return 0;
Packit Service 084de1
}
Packit Service 084de1
Packit Service 084de1
void FuzzerCleanup(void)
Packit Service 084de1
{
Packit Service 084de1
}