1/* $NetBSD: nameser_compat.h,v 1.6 2015/02/24 17:57:08 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. 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#define __BIND 19950621 /*%< (DEAD) interface version stamp. */
40
41#ifndef BYTE_ORDER
42#if (BSD >= 199103)
43# include <machine/endian.h>
44#else
45#ifdef __linux
46# include <endian.h>
47#else
48#define LITTLE_ENDIAN 1234 /*%< least-significant byte first (vax, pc) */
49#define BIG_ENDIAN 4321 /*%< most-significant byte first (IBM, net) */
50#define PDP_ENDIAN 3412 /*%< LSB first in word, MSW first in long (pdp) */
51
52#if defined(vax) || defined(ns32000) || defined(sun386) || defined(i386) || \
53 defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \
54 defined(__i386__) || defined(__i386) || defined(__amd64__) || \
55 defined(__x86_64__) || defined(MIPSEL) || defined(_MIPSEL) || \
56 defined(BIT_ZERO_ON_RIGHT) || defined(__alpha__) || defined(__alpha) || \
57 (defined(__Lynx__) && defined(__x86__))
58#define BYTE_ORDER LITTLE_ENDIAN
59#endif
60
61#if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \
62 defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \
63 defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) ||\
64 defined(apollo) || defined(__convex__) || defined(_CRAY) || \
65 defined(__hppa) || defined(__hp9000) || \
66 defined(__hp9000s300) || defined(__hp9000s700) || \
67 defined(__hp3000s900) || defined(__hpux) || defined(MPE) || \
68 defined (BIT_ZERO_ON_LEFT) || defined(m68k) || defined(__sparc) || \
69 (defined(__Lynx__) && \
70 (defined(__68k__) || defined(__sparc__) || defined(__powerpc__)))
71#define BYTE_ORDER BIG_ENDIAN
72#endif
73#endif /* __linux */
74#endif /* BSD */
75#endif /* BYTE_ORDER */
76
77#if !defined(BYTE_ORDER) || \
78 (BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN && \
79 BYTE_ORDER != PDP_ENDIAN)
80 /* you must determine what the correct bit order is for
81 * your compiler - the next line is an intentional error
82 * which will force your compiles to bomb until you fix
83 * the above macros.
84 */
85 error "Undefined or invalid BYTE_ORDER";
86#endif
87
88/*%
89 * Structure for query header. The order of the fields is machine- and
90 * compiler-dependent, depending on the byte/bit order and the layout
91 * of bit fields. We use bit fields only in int variables, as this
92 * is all ANSI requires. This requires a somewhat confusing rearrangement.
93 */
94
95typedef struct {
96 unsigned id :16; /*%< query identification number */
97#if BYTE_ORDER == BIG_ENDIAN
98 /* fields in third byte */
99 unsigned qr: 1; /*%< response flag */
100 unsigned opcode: 4; /*%< purpose of message */
101 unsigned aa: 1; /*%< authoritive answer */
102 unsigned tc: 1; /*%< truncated message */
103 unsigned rd: 1; /*%< recursion desired */
104 /* fields in fourth byte */
105 unsigned ra: 1; /*%< recursion available */
106 unsigned unused :1; /*%< unused bits (MBZ as of 4.9.3a3) */
107 unsigned ad: 1; /*%< authentic data from named */
108 unsigned cd: 1; /*%< checking disabled by resolver */
109 unsigned rcode :4; /*%< response code */
110#endif
111#if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN
112 /* fields in third byte */
113 unsigned rd :1; /*%< recursion desired */
114 unsigned tc :1; /*%< truncated message */
115 unsigned aa :1; /*%< authoritive answer */
116 unsigned opcode :4; /*%< purpose of message */
117 unsigned qr :1; /*%< response flag */
118 /* fields in fourth byte */
119 unsigned rcode :4; /*%< response code */
120 unsigned cd: 1; /*%< checking disabled by resolver */
121 unsigned ad: 1; /*%< authentic data from named */
122 unsigned unused :1; /*%< unused bits (MBZ as of 4.9.3a3) */
123 unsigned ra :1; /*%< recursion available */
124#endif
125 /* remaining bytes */
126 unsigned qdcount :16; /*%< number of question entries */
127 unsigned ancount :16; /*%< number of answer entries */
128 unsigned nscount :16; /*%< number of authority entries */
129 unsigned arcount :16; /*%< number of resource entries */
130} HEADER;
131
132#define PACKETSZ NS_PACKETSZ
133#define MAXDNAME NS_MAXDNAME
134#define MAXCDNAME NS_MAXCDNAME
135#define MAXLABEL NS_MAXLABEL
136#define HFIXEDSZ NS_HFIXEDSZ
137#define QFIXEDSZ NS_QFIXEDSZ
138#define RRFIXEDSZ NS_RRFIXEDSZ
139#define INT32SZ NS_INT32SZ
140#define INT16SZ NS_INT16SZ
141#define INT8SZ NS_INT8SZ
142#define INADDRSZ NS_INADDRSZ
143#define IN6ADDRSZ NS_IN6ADDRSZ
144#define INDIR_MASK NS_CMPRSFLGS
145#define NAMESERVER_PORT NS_DEFAULTPORT
146
147#define S_ZONE ns_s_zn
148#define S_PREREQ ns_s_pr
149#define S_UPDATE ns_s_ud
150#define S_ADDT ns_s_ar
151
152#define QUERY ns_o_query
153#define IQUERY ns_o_iquery
154#define STATUS ns_o_status
155#define NS_NOTIFY_OP ns_o_notify
156#define NS_UPDATE_OP ns_o_update
157
158#define NOERROR ns_r_noerror
159#define FORMERR ns_r_formerr
160#define SERVFAIL ns_r_servfail
161#define NXDOMAIN ns_r_nxdomain
162#define NOTIMP ns_r_notimpl
163#define REFUSED ns_r_refused
164#define YXDOMAIN ns_r_yxdomain
165#define YXRRSET ns_r_yxrrset
166#define NXRRSET ns_r_nxrrset
167#define NOTAUTH ns_r_notauth
168#define NOTZONE ns_r_notzone
169/*#define BADSIG ns_r_badsig*/
170/*#define BADKEY ns_r_badkey*/
171/*#define BADTIME ns_r_badtime*/
172
173
174#define DELETE ns_uop_delete
175#define ADD ns_uop_add
176
177#define T_A ns_t_a
178#define T_NS ns_t_ns
179#define T_MD ns_t_md
180#define T_MF ns_t_mf
181#define T_CNAME ns_t_cname
182#define T_SOA ns_t_soa
183#define T_MB ns_t_mb
184#define T_MG ns_t_mg
185#define T_MR ns_t_mr
186#define T_NULL ns_t_null
187#define T_WKS ns_t_wks
188#define T_PTR ns_t_ptr
189#define T_HINFO ns_t_hinfo
190#define T_MINFO ns_t_minfo
191#define T_MX ns_t_mx
192#define T_TXT ns_t_txt
193#define T_RP ns_t_rp
194#define T_AFSDB ns_t_afsdb
195#define T_X25 ns_t_x25
196#define T_ISDN ns_t_isdn
197#define T_RT ns_t_rt
198#define T_NSAP ns_t_nsap
199#define T_NSAP_PTR ns_t_nsap_ptr
200#define T_SIG ns_t_sig
201#define T_KEY ns_t_key
202#define T_PX ns_t_px
203#define T_GPOS ns_t_gpos
204#define T_AAAA ns_t_aaaa
205#define T_LOC ns_t_loc
206#define T_NXT ns_t_nxt
207#define T_EID ns_t_eid
208#define T_NIMLOC ns_t_nimloc
209#define T_SRV ns_t_srv
210#define T_ATMA ns_t_atma
211#define T_NAPTR ns_t_naptr
212#define T_A6 ns_t_a6
213#define T_TSIG ns_t_tsig
214#define T_IXFR ns_t_ixfr
215#define T_AXFR ns_t_axfr
216#define T_MAILB ns_t_mailb
217#define T_MAILA ns_t_maila
218#define T_ANY ns_t_any
219
220#define C_IN ns_c_in
221#define C_CHAOS ns_c_chaos
222#define C_HS ns_c_hs
223/* BIND_UPDATE */
224#define C_NONE ns_c_none
225#define C_ANY ns_c_any
226
227#define GETSHORT NS_GET16
228#define GETLONG NS_GET32
229#define PUTSHORT NS_PUT16
230#define PUTLONG NS_PUT32
231
232#endif /* _ARPA_NAMESER_COMPAT_ */
233