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