xref: /netbsd-src/crypto/external/bsd/openssl/dist/fuzz/asn1parse.c (revision bdc22b2e01993381dcefeff2bc9b56ca75a4235c)
1 /*
2  * Copyright 2016 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 /*
12  * Fuzz the parser used for dumping ASN.1 using "openssl asn1parse".
13  */
14 
15 #include <stdio.h>
16 #include <openssl/asn1.h>
17 #include <openssl/x509.h>
18 #include <openssl/x509v3.h>
19 #include "fuzzer.h"
20 
21 int FuzzerInitialize(int *argc, char ***argv) {
22     return 1;
23 }
24 
25 int FuzzerTestOneInput(const uint8_t *buf, size_t len) {
26     static BIO *bio_out;
27 
28     if (bio_out == NULL)
29         bio_out = BIO_new_file("/dev/null", "w");
30 
31     (void)ASN1_parse_dump(bio_out, buf, len, 0, 0);
32     return 0;
33 }
34