xref: /netbsd-src/crypto/external/bsd/openssh/dist/dns.h (revision 9616dacfef448e70e3fbbd865bddf60d54b656c5)
1 /*	$NetBSD: dns.h,v 1.8 2016/12/25 00:07:47 christos Exp $	*/
2 /* $OpenBSD: dns.h,v 1.15 2015/05/08 06:45:13 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 
32 enum 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 };
39 
40 enum sshfp_hashes {
41 	SSHFP_HASH_RESERVED = 0,
42 	SSHFP_HASH_SHA1 = 1,
43 	SSHFP_HASH_SHA256 = 2,
44 	SSHFP_HASH_MAX = 3
45 };
46 
47 #define DNS_RDATACLASS_IN	1
48 #define DNS_RDATATYPE_SSHFP	44
49 
50 #define DNS_VERIFY_FOUND	0x00000001
51 #define DNS_VERIFY_MATCH	0x00000002
52 #define DNS_VERIFY_SECURE	0x00000004
53 
54 int	verify_host_key_dns(const char *, struct sockaddr *,
55     struct sshkey *, int *);
56 int	export_dns_rr(const char *, struct sshkey *, FILE *, int);
57 
58 #endif /* DNS_H */
59