jcs.org
jcs's openbsd hax
openbsd
1/* $OpenBSD: dns.h,v 1.21 2025/08/29 03:50:38 djm Exp $ */
2
3/*
4 * Copyright (c) 2003 Wesley Griffin. All rights reserved.
5 * Copyright (c) 2003 Jakob Schlyter. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef DNS_H
29#define DNS_H
30
31enum sshfp_types {
32 SSHFP_KEY_RESERVED = 0,
33 SSHFP_KEY_RSA = 1,
34 SSHFP_KEY_DSA = 2,
35 SSHFP_KEY_ECDSA = 3,
36 SSHFP_KEY_ED25519 = 4
37};
38
39enum sshfp_hashes {
40 SSHFP_HASH_RESERVED = 0,
41 SSHFP_HASH_SHA1 = 1,
42 SSHFP_HASH_SHA256 = 2,
43 SSHFP_HASH_MAX = 3
44};
45
46#define DNS_RDATACLASS_IN 1
47#define DNS_RDATATYPE_SSHFP 44
48
49#define DNS_VERIFY_FOUND 0x00000001
50#define DNS_VERIFY_MATCH 0x00000002
51#define DNS_VERIFY_SECURE 0x00000004
52#define DNS_VERIFY_FAILED 0x00000008
53
54int verify_host_key_dns(const char *, struct sockaddr *,
55 struct sshkey *, int *);
56int export_dns_rr(const char *, struct sshkey *, FILE *, int, int);
57
58#endif /* DNS_H */