1/*	$NetBSD: nameser_compat.h,v 1.1.1.2 2004/11/07 01:28:27 christos 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. All advertising materials mentioning features or use of this software
15 *    must display the following acknowledgement:
16 * 	This product includes software developed by the University of
17 * 	California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35/*
36 *      from nameser.h	8.1 (Berkeley) 6/2/93
37 *	Id: nameser_compat.h,v 1.8 2006/05/19 02:33:40 marka Exp
38 */
39
40#ifndef _ARPA_NAMESER_COMPAT_
41#define	_ARPA_NAMESER_COMPAT_
42
43#define	__BIND		19950621	/* (DEAD) interface version stamp. */
44
45#include <endian.h>
46
47#ifndef BYTE_ORDER
48#if (BSD >= 199103)
49# include <machine/endian.h>
50#else
51#ifdef __linux__
52# include <endian.h>
53#else
54#define	LITTLE_ENDIAN	1234	/* least-significant byte first (vax, pc) */
55#define	BIG_ENDIAN	4321	/* most-significant byte first (IBM, net) */
56#define	PDP_ENDIAN	3412	/* LSB first in word, MSW first in long (pdp)*/
57
58#if defined(vax) || defined(ns32000) || defined(sun386) || defined(i386) || \
59    defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \
60    defined(__i386__) || defined(__i386) || defined(__amd64__) || \
61    defined(__x86_64__) || defined(MIPSEL) || defined(_MIPSEL) || \
62    defined(BIT_ZERO_ON_RIGHT) || defined(__alpha__) || defined(__alpha) || \
63    (defined(__Lynx__) && defined(__x86__))
64#define BYTE_ORDER	LITTLE_ENDIAN
65#endif
66
67#if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \
68    defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \
69    defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) ||\
70    defined(apollo) || defined(__convex__) || defined(_CRAY) || \
71    defined(__hppa) || defined(__hp9000) || \
72    defined(__hp9000s300) || defined(__hp9000s700) || \
73    defined(__hp3000s900) || defined(__hpux) || defined(MPE) || \
74    defined (BIT_ZERO_ON_LEFT) || defined(m68k) || defined(__sparc) ||  \
75    (defined(__Lynx__) && \
76     (defined(__68k__) || defined(__sparc__) || defined(__powerpc__)))
77#define BYTE_ORDER	BIG_ENDIAN
78#endif
79#endif /* __linux */
80#endif /* BSD */
81#endif /* BYTE_ORDER */
82
83#if !defined(BYTE_ORDER) || \
84    (BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN && \
85    BYTE_ORDER != PDP_ENDIAN)
86	/* you must determine what the correct bit order is for
87	 * your compiler - the next line is an intentional error
88	 * which will force your compiles to bomb until you fix
89	 * the above macros.
90	 */
91  #error "Undefined or invalid BYTE_ORDER";
92#endif
93
94/*
95 * Structure for query header.  The order of the fields is machine- and
96 * compiler-dependent, depending on the byte/bit order and the layout
97 * of bit fields.  We use bit fields only in int variables, as this
98 * is all ANSI requires.  This requires a somewhat confusing rearrangement.
99 */
100
101typedef struct {
102	unsigned	id :16;		/* query identification number */
103#if BYTE_ORDER == BIG_ENDIAN
104			/* fields in third byte */
105	unsigned	qr: 1;		/* response flag */
106	unsigned	opcode: 4;	/* purpose of message */
107	unsigned	aa: 1;		/* authoritive answer */
108	unsigned	tc: 1;		/* truncated message */
109	unsigned	rd: 1;		/* recursion desired */
110			/* fields in fourth byte */
111	unsigned	ra: 1;		/* recursion available */
112	unsigned	unused :1;	/* unused bits (MBZ as of 4.9.3a3) */
113	unsigned	ad: 1;		/* authentic data from named */
114	unsigned	cd: 1;		/* checking disabled by resolver */
115	unsigned	rcode :4;	/* response code */
116#endif
117#if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN
118			/* fields in third byte */
119	unsigned	rd :1;		/* recursion desired */
120	unsigned	tc :1;		/* truncated message */
121	unsigned	aa :1;		/* authoritive answer */
122	unsigned	opcode :4;	/* purpose of message */
123	unsigned	qr :1;		/* response flag */
124			/* fields in fourth byte */
125	unsigned	rcode :4;	/* response code */
126	unsigned	cd: 1;		/* checking disabled by resolver */
127	unsigned	ad: 1;		/* authentic data from named */
128	unsigned	unused :1;	/* unused bits (MBZ as of 4.9.3a3) */
129	unsigned	ra :1;		/* recursion available */
130#endif
131			/* remaining bytes */
132	unsigned	qdcount :16;	/* number of question entries */
133	unsigned	ancount :16;	/* number of answer entries */
134	unsigned	nscount :16;	/* number of authority entries */
135	unsigned	arcount :16;	/* number of resource entries */
136} HEADER;
137
138#define PACKETSZ	NS_PACKETSZ
139#define MAXDNAME	NS_MAXDNAME
140#define MAXCDNAME	NS_MAXCDNAME
141#define MAXLABEL	NS_MAXLABEL
142#define	HFIXEDSZ	NS_HFIXEDSZ
143#define QFIXEDSZ	NS_QFIXEDSZ
144#define RRFIXEDSZ	NS_RRFIXEDSZ
145#define	INT32SZ		NS_INT32SZ
146#define	INT16SZ		NS_INT16SZ
147#define	INT8SZ		NS_INT8SZ
148#define	INADDRSZ	NS_INADDRSZ
149#define	IN6ADDRSZ	NS_IN6ADDRSZ
150#define	INDIR_MASK	NS_CMPRSFLGS
151#define NAMESERVER_PORT	NS_DEFAULTPORT
152
153#define S_ZONE		ns_s_zn
154#define S_PREREQ	ns_s_pr
155#define S_UPDATE	ns_s_ud
156#define S_ADDT		ns_s_ar
157
158#define QUERY		ns_o_query
159#define IQUERY		ns_o_iquery
160#define STATUS		ns_o_status
161#define	NS_NOTIFY_OP	ns_o_notify
162#define	NS_UPDATE_OP	ns_o_update
163
164#define NOERROR		ns_r_noerror
165#define FORMERR		ns_r_formerr
166#define SERVFAIL	ns_r_servfail
167#define NXDOMAIN	ns_r_nxdomain
168#define NOTIMP		ns_r_notimpl
169#define REFUSED		ns_r_refused
170#define YXDOMAIN	ns_r_yxdomain
171#define YXRRSET		ns_r_yxrrset
172#define NXRRSET		ns_r_nxrrset
173#define NOTAUTH		ns_r_notauth
174#define NOTZONE		ns_r_notzone
175/*#define BADSIG		ns_r_badsig*/
176/*#define BADKEY		ns_r_badkey*/
177/*#define BADTIME		ns_r_badtime*/
178
179
180#define DELETE		ns_uop_delete
181#define ADD		ns_uop_add
182
183#define T_A		ns_t_a
184#define T_NS		ns_t_ns
185#define T_MD		ns_t_md
186#define T_MF		ns_t_mf
187#define T_CNAME		ns_t_cname
188#define T_SOA		ns_t_soa
189#define T_MB		ns_t_mb
190#define T_MG		ns_t_mg
191#define T_MR		ns_t_mr
192#define T_NULL		ns_t_null
193#define T_WKS		ns_t_wks
194#define T_PTR		ns_t_ptr
195#define T_HINFO		ns_t_hinfo
196#define T_MINFO		ns_t_minfo
197#define T_MX		ns_t_mx
198#define T_TXT		ns_t_txt
199#define	T_RP		ns_t_rp
200#define T_AFSDB		ns_t_afsdb
201#define T_X25		ns_t_x25
202#define T_ISDN		ns_t_isdn
203#define T_RT		ns_t_rt
204#define T_NSAP		ns_t_nsap
205#define T_NSAP_PTR	ns_t_nsap_ptr
206#define	T_SIG		ns_t_sig
207#define	T_KEY		ns_t_key
208#define	T_PX		ns_t_px
209#define	T_GPOS		ns_t_gpos
210#define	T_AAAA		ns_t_aaaa
211#define	T_LOC		ns_t_loc
212#define	T_NXT		ns_t_nxt
213#define	T_EID		ns_t_eid
214#define	T_NIMLOC	ns_t_nimloc
215#define	T_SRV		ns_t_srv
216#define T_ATMA		ns_t_atma
217#define T_NAPTR		ns_t_naptr
218#define T_A6		ns_t_a6
219#define	T_TSIG		ns_t_tsig
220#define	T_IXFR		ns_t_ixfr
221#define T_AXFR		ns_t_axfr
222#define T_MAILB		ns_t_mailb
223#define T_MAILA		ns_t_maila
224#define T_ANY		ns_t_any
225
226#define C_IN		ns_c_in
227#define C_CHAOS		ns_c_chaos
228#define C_HS		ns_c_hs
229/* BIND_UPDATE */
230#define C_NONE		ns_c_none
231#define C_ANY		ns_c_any
232
233#define	GETSHORT		NS_GET16
234#define	GETLONG			NS_GET32
235#define	PUTSHORT		NS_PUT16
236#define	PUTLONG			NS_PUT32
237
238#endif /* _ARPA_NAMESER_COMPAT_ */
239