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
19int 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
28int 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
51void FuzzerCleanup(void)
52{
53}
54