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1/* $OpenBSD: getrrsetbyname.c,v 1.4 2001/08/16 18:16:43 ho Exp $ */
2
3/*
4 * Copyright (c) 2001 Jakob Schlyter. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
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/*
30 * Portions Copyright (c) 1999-2001 Internet Software Consortium.
31 *
32 * Permission to use, copy, modify, and distribute this software for any
33 * purpose with or without fee is hereby granted, provided that the above
34 * copyright notice and this permission notice appear in all copies.
35 *
36 * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
37 * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
39 * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
40 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
41 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
42 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
43 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
44 */
45
46#ifndef _GETRRSETBYNAME_H
47#define _GETRRSETBYNAME_H
48
49#include "includes.h"
50
51#if defined(DNS) && !defined(HAVE_GETRRSETBYNAME)
52
53#include <sys/types.h>
54#include <netinet/in.h>
55#include <arpa/nameser.h>
56#include <netdb.h>
57#include <resolv.h>
58
59/*
60 * Flags for getrrsetbyname()
61 */
62#ifndef RRSET_VALIDATED
63# define RRSET_VALIDATED 1
64#endif
65
66/*
67 * Return codes for getrrsetbyname()
68 */
69#ifndef ERRSET_SUCCESS
70# define ERRSET_SUCCESS 0
71# define ERRSET_NOMEMORY 1
72# define ERRSET_FAIL 2
73# define ERRSET_INVAL 3
74# define ERRSET_NONAME 4
75# define ERRSET_NODATA 5
76#endif
77
78struct rdatainfo {
79 unsigned int rdi_length; /* length of data */
80 unsigned char *rdi_data; /* record data */
81};
82
83struct rrsetinfo {
84 unsigned int rri_flags; /* RRSET_VALIDATED ... */
85 unsigned int rri_rdclass; /* class number */
86 unsigned int rri_rdtype; /* RR type number */
87 unsigned int rri_ttl; /* time to live */
88 unsigned int rri_nrdatas; /* size of rdatas array */
89 unsigned int rri_nsigs; /* size of sigs array */
90 char *rri_name; /* canonical name */
91 struct rdatainfo *rri_rdatas; /* individual records */
92 struct rdatainfo *rri_sigs; /* individual signatures */
93};
94
95int getrrsetbyname(const char *, unsigned int, unsigned int, unsigned int, struct rrsetinfo **);
96void freerrset(struct rrsetinfo *);
97
98#endif /* defined(DNS) && !defined(HAVE_GETRRSETBYNAME) */
99
100#endif /* _GETRRSETBYNAME_H */