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 
101 typedef 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