| 1 | /* |
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| 2 | * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * By using this file, you agree to the terms and conditions set |
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| 6 | * forth in the LICENSE file which can be found at the top level of |
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| 7 | * the sendmail distribution. |
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| 8 | * |
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| 9 | */ |
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| 10 | |
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| 11 | /* |
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| 12 | * Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska Högskolan |
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| 13 | * (Royal Institute of Technology, Stockholm, Sweden). |
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| 14 | * All rights reserved. |
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| 15 | * |
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| 16 | * Redistribution and use in source and binary forms, with or without |
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| 17 | * modification, are permitted provided that the following conditions |
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| 18 | * are met: |
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| 19 | * |
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| 20 | * 1. Redistributions of source code must retain the above copyright |
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| 21 | * notice, this list of conditions and the following disclaimer. |
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| 22 | * |
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| 23 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 24 | * notice, this list of conditions and the following disclaimer in the |
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| 25 | * documentation and/or other materials provided with the distribution. |
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| 26 | * |
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| 27 | * 3. Neither the name of the Institute nor the names of its contributors |
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| 28 | * may be used to endorse or promote products derived from this software |
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| 29 | * without specific prior written permission. |
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| 30 | * |
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| 31 | * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND |
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| 32 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 33 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 34 | * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE |
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| 35 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 39 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 40 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 41 | * SUCH DAMAGE. |
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| 42 | */ |
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| 43 | |
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| 44 | /* $Id: sm_resolve.h,v 1.1.1.1 2003-04-08 15:12:32 zacheiss Exp $ */ |
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| 45 | |
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| 46 | #if DNSMAP |
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| 47 | # ifndef __ROKEN_RESOLVE_H__ |
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| 48 | # define __ROKEN_RESOLVE_H__ |
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| 49 | |
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| 50 | /* We use these, but they are not always present in <arpa/nameser.h> */ |
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| 51 | |
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| 52 | # ifndef T_TXT |
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| 53 | # define T_TXT 16 |
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| 54 | # endif /* ! T_TXT */ |
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| 55 | # ifndef T_AFSDB |
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| 56 | # define T_AFSDB 18 |
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| 57 | # endif /* ! T_AFSDB */ |
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| 58 | # ifndef T_SRV |
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| 59 | # define T_SRV 33 |
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| 60 | # endif /* ! T_SRV */ |
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| 61 | # ifndef T_NAPTR |
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| 62 | # define T_NAPTR 35 |
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| 63 | # endif /* ! T_NAPTR */ |
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| 64 | |
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| 65 | typedef struct |
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| 66 | { |
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| 67 | char *dns_q_domain; |
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| 68 | unsigned int dns_q_type; |
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| 69 | unsigned int dns_q_class; |
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| 70 | } DNS_QUERY_T; |
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| 71 | |
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| 72 | typedef struct |
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| 73 | { |
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| 74 | unsigned int mx_r_preference; |
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| 75 | char mx_r_domain[1]; |
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| 76 | } MX_RECORD_T; |
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| 77 | |
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| 78 | typedef struct |
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| 79 | { |
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| 80 | unsigned int srv_r_priority; |
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| 81 | unsigned int srv_r_weight; |
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| 82 | unsigned int srv_r_port; |
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| 83 | char srv_r_target[1]; |
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| 84 | } SRV_RECORDT_T; |
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| 85 | |
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| 86 | |
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| 87 | typedef struct resource_record RESOURCE_RECORD_T; |
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| 88 | |
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| 89 | struct resource_record |
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| 90 | { |
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| 91 | char *rr_domain; |
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| 92 | unsigned int rr_type; |
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| 93 | unsigned int rr_class; |
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| 94 | unsigned int rr_ttl; |
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| 95 | unsigned int rr_size; |
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| 96 | union |
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| 97 | { |
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| 98 | void *rr_data; |
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| 99 | MX_RECORD_T *rr_mx; |
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| 100 | MX_RECORD_T *rr_afsdb; /* mx and afsdb are identical */ |
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| 101 | SRV_RECORDT_T *rr_srv; |
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| 102 | # if NETINET |
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| 103 | struct in_addr *rr_a; |
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| 104 | # endif /* NETINET */ |
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| 105 | # if NETINET6 |
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| 106 | struct in6_addr *rr_aaaa; |
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| 107 | # endif /* NETINET6 */ |
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| 108 | char *rr_txt; |
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| 109 | } rr_u; |
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| 110 | RESOURCE_RECORD_T *rr_next; |
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| 111 | }; |
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| 112 | |
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| 113 | # if !defined(T_A) && !defined(T_AAAA) |
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| 114 | /* XXX if <arpa/nameser.h> isn't included */ |
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| 115 | typedef int HEADER; /* will never be used */ |
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| 116 | # endif /* !defined(T_A) && !defined(T_AAAA) */ |
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| 117 | |
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| 118 | typedef struct |
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| 119 | { |
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| 120 | HEADER dns_r_h; |
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| 121 | DNS_QUERY_T dns_r_q; |
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| 122 | RESOURCE_RECORD_T *dns_r_head; |
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| 123 | } DNS_REPLY_T; |
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| 124 | |
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| 125 | |
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| 126 | extern void dns_free_data __P((DNS_REPLY_T *)); |
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| 127 | extern int dns_string_to_type __P((const char *)); |
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| 128 | extern const char *dns_type_to_string __P((int)); |
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| 129 | extern DNS_REPLY_T *dns_lookup_int __P((const char *, |
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| 130 | int, |
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| 131 | int, |
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| 132 | time_t, |
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| 133 | int)); |
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| 134 | # if 0 |
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| 135 | extern DNS_REPLY_T *dns_lookup __P((const char *domain, |
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| 136 | const char *type_name, |
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| 137 | time_t retrans, |
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| 138 | int retry)); |
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| 139 | # endif /* 0 */ |
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| 140 | |
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| 141 | # endif /* ! __ROKEN_RESOLVE_H__ */ |
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| 142 | #endif /* DNSMAP */ |
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