1/*	$NetBSD: dns.h,v 1.13 2023/07/26 17:58:15 christos Exp $	*/
2/* $OpenBSD: dns.h,v 1.20 2023/02/10 04:56:30 djm Exp $ */
3
4/*
5 * Copyright (c) 2003 Wesley Griffin. All rights reserved.
6 * Copyright (c) 2003 Jakob Schlyter. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef DNS_H
30#define DNS_H
31
32enum sshfp_types {
33	SSHFP_KEY_RESERVED = 0,
34	SSHFP_KEY_RSA = 1,
35	SSHFP_KEY_DSA = 2,
36	SSHFP_KEY_ECDSA = 3,
37	SSHFP_KEY_ED25519 = 4,
38	SSHFP_KEY_XMSS = 5
39};
40
41enum sshfp_hashes {
42	SSHFP_HASH_RESERVED = 0,
43	SSHFP_HASH_SHA1 = 1,
44	SSHFP_HASH_SHA256 = 2,
45	SSHFP_HASH_MAX = 3
46};
47
48#define DNS_RDATACLASS_IN	1
49#define DNS_RDATATYPE_SSHFP	44
50
51#define DNS_VERIFY_FOUND	0x00000001
52#define DNS_VERIFY_MATCH	0x00000002
53#define DNS_VERIFY_SECURE	0x00000004
54#define DNS_VERIFY_FAILED	0x00000008
55
56int	verify_host_key_dns(const char *, struct sockaddr *,
57    struct sshkey *, int *);
58int	export_dns_rr(const char *, struct sshkey *, FILE *, int, int);
59
60#endif /* DNS_H */
61