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
FuzzerInitialize(int * argc,char *** argv)20 int 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
FuzzerTestOneInput(const uint8_t * buf,size_t len)28 int 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
FuzzerCleanup(void)49 void FuzzerCleanup(void)
50 {
51 }
52
