1 /* 2 * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. 3 * All rights reserved. 4 * 5 * By using this file, you agree to the terms and conditions set 6 * forth in the LICENSE file which can be found at the top level of 7 * the sendmail distribution. 8 * 9 */ 10 11 #pragma ident "%Z%%M% %I% %E% SMI" 12 13 /* 14 * Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska H�gskolan 15 * (Royal Institute of Technology, Stockholm, Sweden). 16 * All rights reserved. 17 * 18 * Redistribution and use in source and binary forms, with or without 19 * modification, are permitted provided that the following conditions 20 * are met: 21 * 22 * 1. Redistributions of source code must retain the above copyright 23 * notice, this list of conditions and the following disclaimer. 24 * 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in the 27 * documentation and/or other materials provided with the distribution. 28 * 29 * 3. Neither the name of the Institute nor the names of its contributors 30 * may be used to endorse or promote products derived from this software 31 * without specific prior written permission. 32 * 33 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 34 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 35 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 36 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 37 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 38 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 39 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 40 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 41 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 42 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 43 * SUCH DAMAGE. 44 */ 45 46 /* $Id: sm_resolve.h,v 8.8 2001/09/01 00:06:02 gshapiro Exp $ */ 47 48 #if DNSMAP 49 # ifndef __ROKEN_RESOLVE_H__ 50 # define __ROKEN_RESOLVE_H__ 51 52 /* We use these, but they are not always present in <arpa/nameser.h> */ 53 54 # ifndef T_TXT 55 # define T_TXT 16 56 # endif /* ! T_TXT */ 57 # ifndef T_AFSDB 58 # define T_AFSDB 18 59 # endif /* ! T_AFSDB */ 60 # ifndef T_SRV 61 # define T_SRV 33 62 # endif /* ! T_SRV */ 63 # ifndef T_NAPTR 64 # define T_NAPTR 35 65 # endif /* ! T_NAPTR */ 66 67 typedef struct 68 { 69 char *dns_q_domain; 70 unsigned int dns_q_type; 71 unsigned int dns_q_class; 72 } DNS_QUERY_T; 73 74 typedef struct 75 { 76 unsigned int mx_r_preference; 77 char mx_r_domain[1]; 78 } MX_RECORD_T; 79 80 typedef struct 81 { 82 unsigned int srv_r_priority; 83 unsigned int srv_r_weight; 84 unsigned int srv_r_port; 85 char srv_r_target[1]; 86 } SRV_RECORDT_T; 87 88 89 typedef struct resource_record RESOURCE_RECORD_T; 90 91 struct resource_record 92 { 93 char *rr_domain; 94 unsigned int rr_type; 95 unsigned int rr_class; 96 unsigned int rr_ttl; 97 unsigned int rr_size; 98 union 99 { 100 void *rr_data; 101 MX_RECORD_T *rr_mx; 102 MX_RECORD_T *rr_afsdb; /* mx and afsdb are identical */ 103 SRV_RECORDT_T *rr_srv; 104 # if NETINET 105 struct in_addr *rr_a; 106 # endif /* NETINET */ 107 # if NETINET6 108 struct in6_addr *rr_aaaa; 109 # endif /* NETINET6 */ 110 char *rr_txt; 111 } rr_u; 112 RESOURCE_RECORD_T *rr_next; 113 }; 114 115 # if !defined(T_A) && !defined(T_AAAA) 116 /* XXX if <arpa/nameser.h> isn't included */ 117 typedef int HEADER; /* will never be used */ 118 # endif /* !defined(T_A) && !defined(T_AAAA) */ 119 120 typedef struct 121 { 122 HEADER dns_r_h; 123 DNS_QUERY_T dns_r_q; 124 RESOURCE_RECORD_T *dns_r_head; 125 } DNS_REPLY_T; 126 127 128 extern void dns_free_data __P((DNS_REPLY_T *)); 129 extern int dns_string_to_type __P((const char *)); 130 extern const char *dns_type_to_string __P((int)); 131 extern DNS_REPLY_T *dns_lookup_int __P((const char *, 132 int, 133 int, 134 time_t, 135 int)); 136 # if 0 137 extern DNS_REPLY_T *dns_lookup __P((const char *domain, 138 const char *type_name, 139 time_t retrans, 140 int retry)); 141 # endif /* 0 */ 142 143 # endif /* ! __ROKEN_RESOLVE_H__ */ 144 #endif /* DNSMAP */ 145