1/*	$NetBSD: nameser_compat.h,v 1.10 2024/02/05 21:46:05 andvar Exp $	*/
2
3/* Copyright (c) 1983, 1989
4 *    The Regents of the University of California.  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 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of the University nor the names of its contributors
15 *    may be used to endorse or promote products derived from this software
16 *    without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31/*%
32 *      from nameser.h	8.1 (Berkeley) 6/2/93
33 *	Id: nameser_compat.h,v 1.8 2006/05/19 02:33:40 marka Exp
34 */
35
36#ifndef _ARPA_NAMESER_COMPAT_
37#define	_ARPA_NAMESER_COMPAT_
38
39#include <endian.h>
40
41#define	__BIND		19950621	/*%< (DEAD) interface version stamp. */
42
43#if !defined(_BYTE_ORDER) || \
44    (_BYTE_ORDER != _BIG_ENDIAN && _BYTE_ORDER != _LITTLE_ENDIAN && \
45    _BYTE_ORDER != _PDP_ENDIAN)
46	/* you must determine what the correct bit order is for
47	 * your compiler - the next line is an intentional error
48	 * which will force your compiles to bomb until you fix
49	 * the above macros.
50	 */
51#error "Undefined or invalid _BYTE_ORDER"
52#endif
53
54/*%
55 * Structure for query header.  The order of the fields is machine- and
56 * compiler-dependent, depending on the byte/bit order and the layout
57 * of bit fields.  We use bit fields only in int variables, as this
58 * is all ANSI requires.  This requires a somewhat confusing rearrangement.
59 */
60
61typedef struct {
62	unsigned	id :16;		/*%< query identification number */
63#if _BYTE_ORDER == _BIG_ENDIAN
64			/* fields in third byte */
65	unsigned	qr: 1;		/*%< response flag */
66	unsigned	opcode: 4;	/*%< purpose of message */
67	unsigned	aa: 1;		/*%< authoritative answer */
68	unsigned	tc: 1;		/*%< truncated message */
69	unsigned	rd: 1;		/*%< recursion desired */
70			/* fields in fourth byte */
71	unsigned	ra: 1;		/*%< recursion available */
72	unsigned	unused :1;	/*%< unused bits (MBZ as of 4.9.3a3) */
73	unsigned	ad: 1;		/*%< authentic data from named */
74	unsigned	cd: 1;		/*%< checking disabled by resolver */
75	unsigned	rcode :4;	/*%< response code */
76#endif
77#if _BYTE_ORDER == _LITTLE_ENDIAN || _BYTE_ORDER == _PDP_ENDIAN
78			/* fields in third byte */
79	unsigned	rd :1;		/*%< recursion desired */
80	unsigned	tc :1;		/*%< truncated message */
81	unsigned	aa :1;		/*%< authoritative answer */
82	unsigned	opcode :4;	/*%< purpose of message */
83	unsigned	qr :1;		/*%< response flag */
84			/* fields in fourth byte */
85	unsigned	rcode :4;	/*%< response code */
86	unsigned	cd: 1;		/*%< checking disabled by resolver */
87	unsigned	ad: 1;		/*%< authentic data from named */
88	unsigned	unused :1;	/*%< unused bits (MBZ as of 4.9.3a3) */
89	unsigned	ra :1;		/*%< recursion available */
90#endif
91			/* remaining bytes */
92	unsigned	qdcount :16;	/*%< number of question entries */
93	unsigned	ancount :16;	/*%< number of answer entries */
94	unsigned	nscount :16;	/*%< number of authority entries */
95	unsigned	arcount :16;	/*%< number of resource entries */
96} HEADER;
97
98#define PACKETSZ	NS_PACKETSZ
99#define MAXDNAME	NS_MAXDNAME
100#define MAXCDNAME	NS_MAXCDNAME
101#define MAXLABEL	NS_MAXLABEL
102#define	HFIXEDSZ	NS_HFIXEDSZ
103#define QFIXEDSZ	NS_QFIXEDSZ
104#define RRFIXEDSZ	NS_RRFIXEDSZ
105#define	INT32SZ		NS_INT32SZ
106#define	INT16SZ		NS_INT16SZ
107#define	INT8SZ		NS_INT8SZ
108#define	INADDRSZ	NS_INADDRSZ
109#define	IN6ADDRSZ	NS_IN6ADDRSZ
110#define	INDIR_MASK	NS_CMPRSFLGS
111#define NAMESERVER_PORT	NS_DEFAULTPORT
112
113#define S_ZONE		ns_s_zn
114#define S_PREREQ	ns_s_pr
115#define S_UPDATE	ns_s_ud
116#define S_ADDT		ns_s_ar
117
118#define QUERY		ns_o_query
119#define IQUERY		ns_o_iquery
120#define STATUS		ns_o_status
121#define	NS_NOTIFY_OP	ns_o_notify
122#define	NS_UPDATE_OP	ns_o_update
123
124#define NOERROR		ns_r_noerror
125#define FORMERR		ns_r_formerr
126#define SERVFAIL	ns_r_servfail
127#define NXDOMAIN	ns_r_nxdomain
128#define NOTIMP		ns_r_notimpl
129#define REFUSED		ns_r_refused
130#define YXDOMAIN	ns_r_yxdomain
131#define YXRRSET		ns_r_yxrrset
132#define NXRRSET		ns_r_nxrrset
133#define NOTAUTH		ns_r_notauth
134#define NOTZONE		ns_r_notzone
135/*#define BADSIG		ns_r_badsig*/
136/*#define BADKEY		ns_r_badkey*/
137/*#define BADTIME		ns_r_badtime*/
138
139
140#define DELETE		ns_uop_delete
141#define ADD		ns_uop_add
142
143#define T_A		ns_t_a
144#define T_NS		ns_t_ns
145#define T_MD		ns_t_md
146#define T_MF		ns_t_mf
147#define T_CNAME		ns_t_cname
148#define T_SOA		ns_t_soa
149#define T_MB		ns_t_mb
150#define T_MG		ns_t_mg
151#define T_MR		ns_t_mr
152#define T_NULL		ns_t_null
153#define T_WKS		ns_t_wks
154#define T_PTR		ns_t_ptr
155#define T_HINFO		ns_t_hinfo
156#define T_MINFO		ns_t_minfo
157#define T_MX		ns_t_mx
158#define T_TXT		ns_t_txt
159#define	T_RP		ns_t_rp
160#define T_AFSDB		ns_t_afsdb
161#define T_X25		ns_t_x25
162#define T_ISDN		ns_t_isdn
163#define T_RT		ns_t_rt
164#define T_NSAP		ns_t_nsap
165#define T_NSAP_PTR	ns_t_nsap_ptr
166#define	T_SIG		ns_t_sig
167#define	T_KEY		ns_t_key
168#define	T_PX		ns_t_px
169#define	T_GPOS		ns_t_gpos
170#define	T_AAAA		ns_t_aaaa
171#define	T_LOC		ns_t_loc
172#define	T_NXT		ns_t_nxt
173#define	T_EID		ns_t_eid
174#define	T_NIMLOC	ns_t_nimloc
175#define	T_SRV		ns_t_srv
176#define T_ATMA		ns_t_atma
177#define T_NAPTR		ns_t_naptr
178#define T_A6		ns_t_a6
179#define T_DNAME		ns_t_dname
180#define	T_TSIG		ns_t_tsig
181#define	T_IXFR		ns_t_ixfr
182#define T_AXFR		ns_t_axfr
183#define T_MAILB		ns_t_mailb
184#define T_MAILA		ns_t_maila
185#define T_ANY		ns_t_any
186
187#define C_IN		ns_c_in
188#define C_CHAOS		ns_c_chaos
189#define C_HS		ns_c_hs
190/* BIND_UPDATE */
191#define C_NONE		ns_c_none
192#define C_ANY		ns_c_any
193
194#define	GETSHORT		NS_GET16
195#define	GETLONG			NS_GET32
196#define	PUTSHORT		NS_PUT16
197#define	PUTLONG			NS_PUT32
198
199#endif /* _ARPA_NAMESER_COMPAT_ */
200