1 /* $OpenBSD: dns.h,v 1.20 2023/02/10 04:56:30 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 SSHFP_KEY_XMSS = 5 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 #define DNS_VERIFY_FAILED 0x00000008 54 55 int verify_host_key_dns(const char *, struct sockaddr *, 56 struct sshkey *, int *); 57 int export_dns_rr(const char *, struct sshkey *, FILE *, int, int); 58 59 #endif /* DNS_H */ 60