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      1 /* $OpenBSD: dns.h,v 1.15 2015/05/08 06:45:13 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 
     31 enum 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 
     39 enum 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 
     53 int	verify_host_key_dns(const char *, struct sockaddr *,
     54     struct sshkey *, int *);
     55 int	export_dns_rr(const char *, struct sshkey *, FILE *, int);
     56 
     57 #endif /* DNS_H */
     58