1 /*
2 * Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL licenses, (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 #include <openssl/x509.h>
12 #include <openssl/bio.h>
13 #include <openssl/err.h>
14 #include <openssl/rand.h>
15 #include "fuzzer.h"
16
17 #include "rand.inc"
18
FuzzerInitialize(int * argc,char *** argv)19 int FuzzerInitialize(int *argc, char ***argv)
20 {
21 OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
22 ERR_get_state();
23 CRYPTO_free_ex_index(0, -1);
24 FuzzerSetRand();
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 unsigned char *p = buf;
31 unsigned char *der = NULL;
32
33 X509 *x509 = d2i_X509(NULL, &p, len);
34 if (x509 != NULL) {
35 BIO *bio = BIO_new(BIO_s_null());
36 /* This will load and print the public key as well as extensions */
37 X509_print(bio, x509);
38 BIO_free(bio);
39
40 X509_issuer_and_serial_hash(x509);
41
42 i2d_X509(x509, &der);
43 OPENSSL_free(der);
44
45 X509_free(x509);
46 }
47 ERR_clear_error();
48 return 0;
49 }
50
FuzzerCleanup(void)51 void FuzzerCleanup(void)
52 {
53 }
54