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1/* Copyright (c) 1983, 1989
2 * The Regents of the University of California. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. All advertising materials mentioning features or use of this software
13 * must display the following acknowledgement:
14 * This product includes software developed by the University of
15 * California, Berkeley and its contributors.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33/*
34 * from nameser.h 8.1 (Berkeley) 6/2/93
35 * From: Id: nameser_compat.h,v 8.9 1998/03/20 23:25:10 halley Exp
36 * $FreeBSD: src/include/arpa/nameser_compat.h,v 1.1.2.1 1999/08/29 14:39:01 peter Exp $
37 */
38
39#ifndef _ARPA_NAMESER_COMPAT_
40#define _ARPA_NAMESER_COMPAT_
41
42#define __BIND 19950621 /* (DEAD) interface version stamp. */
43
44#include <machine/endian.h>
45
46#if !defined(BYTE_ORDER) || \
47 (BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN && \
48 BYTE_ORDER != PDP_ENDIAN)
49 /* you must determine what the correct bit order is for
50 * your compiler - the next line is an intentional error
51 * which will force your compiles to bomb until you fix
52 * the above macros.
53 */
54 error "Undefined or invalid BYTE_ORDER";
55#endif
56
57/*
58 * Structure for query header. The order of the fields is machine- and
59 * compiler-dependent, depending on the byte/bit order and the layout
60 * of bit fields. We use bit fields only in int variables, as this
61 * is all ANSI requires. This requires a somewhat confusing rearrangement.
62 */
63
64typedef struct {
65 unsigned id :16; /* query identification number */
66#if BYTE_ORDER == BIG_ENDIAN
67 /* fields in third byte */
68 unsigned qr: 1; /* response flag */
69 unsigned opcode: 4; /* purpose of message */
70 unsigned aa: 1; /* authoritive answer */
71 unsigned tc: 1; /* truncated message */
72 unsigned rd: 1; /* recursion desired */
73 /* fields in fourth byte */
74 unsigned ra: 1; /* recursion available */
75 unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */
76 unsigned ad: 1; /* authentic data from named */
77 unsigned cd: 1; /* checking disabled by resolver */
78 unsigned rcode :4; /* response code */
79#endif
80#if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN
81 /* fields in third byte */
82 unsigned rd :1; /* recursion desired */
83 unsigned tc :1; /* truncated message */
84 unsigned aa :1; /* authoritive answer */
85 unsigned opcode :4; /* purpose of message */
86 unsigned qr :1; /* response flag */
87 /* fields in fourth byte */
88 unsigned rcode :4; /* response code */
89 unsigned cd: 1; /* checking disabled by resolver */
90 unsigned ad: 1; /* authentic data from named */
91 unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */
92 unsigned ra :1; /* recursion available */
93#endif
94 /* remaining bytes */
95 unsigned qdcount :16; /* number of question entries */
96 unsigned ancount :16; /* number of answer entries */
97 unsigned nscount :16; /* number of authority entries */
98 unsigned arcount :16; /* number of resource entries */
99} HEADER;
100
101#define PACKETSZ NS_PACKETSZ
102#define MAXDNAME NS_MAXDNAME
103#define MAXCDNAME NS_MAXCDNAME
104#define MAXLABEL NS_MAXLABEL
105#define HFIXEDSZ NS_HFIXEDSZ
106#define QFIXEDSZ NS_QFIXEDSZ
107#define RRFIXEDSZ NS_RRFIXEDSZ
108#define INT32SZ NS_INT32SZ
109#define INT16SZ NS_INT16SZ
110#define INADDRSZ NS_INADDRSZ
111#define IN6ADDRSZ NS_IN6ADDRSZ
112#define INDIR_MASK NS_CMPRSFLGS
113#define NAMESERVER_PORT NS_DEFAULTPORT
114
115#define S_ZONE ns_s_zn
116#define S_PREREQ ns_s_pr
117#define S_UPDATE ns_s_ud
118#define S_ADDT ns_s_ar
119
120#define QUERY ns_o_query
121#define IQUERY ns_o_iquery
122#define STATUS ns_o_status
123#define NS_NOTIFY_OP ns_o_notify
124#define NS_UPDATE_OP ns_o_update
125
126#define NOERROR ns_r_noerror
127#define FORMERR ns_r_formerr
128#define SERVFAIL ns_r_servfail
129#define NXDOMAIN ns_r_nxdomain
130#define NOTIMP ns_r_notimpl
131#define REFUSED ns_r_refused
132#define YXDOMAIN ns_r_yxdomain
133#define YXRRSET ns_r_yxrrset
134#define NXRRSET ns_r_nxrrset
135#define NOTAUTH ns_r_notauth
136#define NOTZONE ns_r_notzone
137
138#define DELETE ns_uop_delete
139#define ADD ns_uop_add
140
141#define T_A ns_t_a
142#define T_NS ns_t_ns
143#define T_MD ns_t_md
144#define T_MF ns_t_mf
145#define T_CNAME ns_t_cname
146#define T_SOA ns_t_soa
147#define T_MB ns_t_mb
148#define T_MG ns_t_mg
149#define T_MR ns_t_mr
150#define T_NULL ns_t_null
151#define T_WKS ns_t_wks
152#define T_PTR ns_t_ptr
153#define T_HINFO ns_t_hinfo
154#define T_MINFO ns_t_minfo
155#define T_MX ns_t_mx
156#define T_TXT ns_t_txt
157#define T_RP ns_t_rp
158#define T_AFSDB ns_t_afsdb
159#define T_X25 ns_t_x25
160#define T_ISDN ns_t_isdn
161#define T_RT ns_t_rt
162#define T_NSAP ns_t_nsap
163#define T_NSAP_PTR ns_t_nsap_ptr
164#define T_SIG ns_t_sig
165#define T_KEY ns_t_key
166#define T_PX ns_t_px
167#define T_GPOS ns_t_gpos
168#define T_AAAA ns_t_aaaa
169#define T_LOC ns_t_loc
170#define T_NXT ns_t_nxt
171#define T_EID ns_t_eid
172#define T_NIMLOC ns_t_nimloc
173#define T_SRV ns_t_srv
174#define T_ATMA ns_t_atma
175#define T_NAPTR ns_t_naptr
176#define T_IXFR ns_t_ixfr
177#define T_AXFR ns_t_axfr
178#define T_MAILB ns_t_mailb
179#define T_MAILA ns_t_maila
180#define T_ANY ns_t_any
181
182#define C_IN ns_c_in
183#define C_CHAOS ns_c_chaos
184#define C_HS ns_c_hs
185/* BIND_UPDATE */
186#define C_NONE ns_c_none
187#define C_ANY ns_c_any
188
189#define GETSHORT NS_GET16
190#define GETLONG NS_GET32
191#define PUTSHORT NS_PUT16
192#define PUTLONG NS_PUT32
193
194#endif /* _ARPA_NAMESER_COMPAT_ */