1/*
2 * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 * https://www.openssl.org/source/license.html
8 * or in the file LICENSE in the source distribution.
9 */
10
11/*
12 * Fuzz the SCT parser.
13 */
14
15#include <stdio.h>
16#include <openssl/ct.h>
17#include <openssl/err.h>
18#include "fuzzer.h"
19
20int FuzzerInitialize(int *argc, char ***argv)
21{
22    OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
23    CRYPTO_free_ex_index(0, -1);
24    ERR_clear_error();
25    return 1;
26}
27
28int FuzzerTestOneInput(const uint8_t *buf, size_t len)
29{
30    const uint8_t **pp = &buf;
31    unsigned char *der = NULL;
32    STACK_OF(SCT) *scts = d2i_SCT_LIST(NULL, pp, len);
33    if (scts != NULL) {
34        BIO *bio = BIO_new(BIO_s_null());
35        SCT_LIST_print(scts, bio, 4, "\n", NULL);
36        BIO_free(bio);
37
38        if (i2d_SCT_LIST(scts, &der)) {
39            /* Silence unused result warning */
40        }
41        OPENSSL_free(der);
42
43        SCT_LIST_free(scts);
44    }
45    ERR_clear_error();
46    return 0;
47}
48
49void FuzzerCleanup(void)
50{
51}
52