1 /* Copyright (c) 1983, 1989
2  *    The Regents of the University of California.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  * 3. All advertising materials mentioning features or use of this software
13  *    must display the following acknowledgement:
14  * 	This product includes software developed by the University of
15  * 	California, Berkeley and its contributors.
16  * 4. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 /*%
34  *      from nameser.h	8.1 (Berkeley) 6/2/93
35  *	$Id: nameser_compat.h,v 1.8 2006/05/19 02:33:40 marka Exp $
36  */
37 
38 #ifndef _ARPA_NAMESER_COMPAT_
39 #define	_ARPA_NAMESER_COMPAT_
40 
41 #define	__BIND		19950621	/*%< (DEAD) interface version stamp. */
42 #ifndef BYTE_ORDER
43 #if (BSD >= 199103)
44 # include <machine/endian.h>
45 #else
46 #ifdef __linux
47 # include <endian.h>
48 #else
49 #define	LITTLE_ENDIAN	1234	/*%< least-significant byte first (vax, pc) */
50 #define	BIG_ENDIAN	4321	/*%< most-significant byte first (IBM, net) */
51 #define	PDP_ENDIAN	3412	/*%< LSB first in word, MSW first in long (pdp) */
52 #if defined(vax) || defined(ns32000) || defined(sun386) || defined(i386) || \
53     defined(__i386__) || defined(__i386) || defined(__amd64__) || \
54     defined(__x86_64__) || defined(MIPSEL) || defined(_MIPSEL) || \
55     defined(BIT_ZERO_ON_RIGHT) || defined(__alpha__) || defined(__alpha) || \
56     (defined(__Lynx__) && defined(__x86__))
57 #define BYTE_ORDER	LITTLE_ENDIAN
58 #endif
59 
60 #if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \
61     defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \
62     defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) ||\
63     defined(apollo) || defined(__convex__) || defined(_CRAY) || \
64     defined(__hppa) || defined(__hp9000) || \
65     defined(__hp9000s300) || defined(__hp9000s700) || \
66     defined(__hp3000s900) || defined(__hpux) || defined(MPE) || \
67     defined (BIT_ZERO_ON_LEFT) || defined(m68k) || defined(__sparc) ||  \
68     (defined(__Lynx__) && \
69      (defined(__68k__) || defined(__sparc__) || defined(__powerpc__)))
70 #define BYTE_ORDER	BIG_ENDIAN
71 #endif
72 #endif /* __linux */
73 #endif /* BSD */
74 #endif /* BYTE_ORDER */
75 
76 #if !defined(BYTE_ORDER) || \
77     (BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN && \
78     BYTE_ORDER != PDP_ENDIAN)
79 	/* you must determine what the correct bit order is for
80 	 * your compiler - the next line is an intentional error
81 	 * which will force your compiles to bomb until you fix
82 	 * the above macros.
83 	 */
84   error "Undefined or invalid BYTE_ORDER";
85 #endif
86 
87 /*%
88  * Structure for query header.  The order of the fields is machine- and
89  * compiler-dependent, depending on the byte/bit order and the layout
90  * of bit fields.  We use bit fields only in int variables, as this
91  * is all ANSI requires.  This requires a somewhat confusing rearrangement.
92  */
93 
94 typedef struct {
95 	unsigned	id :16;		/*%< query identification number */
96 #if BYTE_ORDER == BIG_ENDIAN
97 			/* fields in third byte */
98 	unsigned	qr: 1;		/*%< response flag */
99 	unsigned	opcode: 4;	/*%< purpose of message */
100 	unsigned	aa: 1;		/*%< authoritive answer */
101 	unsigned	tc: 1;		/*%< truncated message */
102 	unsigned	rd: 1;		/*%< recursion desired */
103 			/* fields in fourth byte */
104 	unsigned	ra: 1;		/*%< recursion available */
105 	unsigned	unused :1;	/*%< unused bits (MBZ as of 4.9.3a3) */
106 	unsigned	ad: 1;		/*%< authentic data from named */
107 	unsigned	cd: 1;		/*%< checking disabled by resolver */
108 	unsigned	rcode :4;	/*%< response code */
109 #endif
110 #if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN
111 			/* fields in third byte */
112 	unsigned	rd :1;		/*%< recursion desired */
113 	unsigned	tc :1;		/*%< truncated message */
114 	unsigned	aa :1;		/*%< authoritive answer */
115 	unsigned	opcode :4;	/*%< purpose of message */
116 	unsigned	qr :1;		/*%< response flag */
117 			/* fields in fourth byte */
118 	unsigned	rcode :4;	/*%< response code */
119 	unsigned	cd: 1;		/*%< checking disabled by resolver */
120 	unsigned	ad: 1;		/*%< authentic data from named */
121 	unsigned	unused :1;	/*%< unused bits (MBZ as of 4.9.3a3) */
122 	unsigned	ra :1;		/*%< recursion available */
123 #endif
124 			/* remaining bytes */
125 	unsigned	qdcount :16;	/*%< number of question entries */
126 	unsigned	ancount :16;	/*%< number of answer entries */
127 	unsigned	nscount :16;	/*%< number of authority entries */
128 	unsigned	arcount :16;	/*%< number of resource entries */
129 } HEADER;
130 
131 #define PACKETSZ	NS_PACKETSZ
132 #define MAXDNAME	NS_MAXDNAME
133 #define MAXCDNAME	NS_MAXCDNAME
134 #define MAXLABEL	NS_MAXLABEL
135 #define	HFIXEDSZ	NS_HFIXEDSZ
136 #define QFIXEDSZ	NS_QFIXEDSZ
137 #define RRFIXEDSZ	NS_RRFIXEDSZ
138 #define	INT32SZ		NS_INT32SZ
139 #define	INT16SZ		NS_INT16SZ
140 #define	INT8SZ		NS_INT8SZ
141 #define	INADDRSZ	NS_INADDRSZ
142 #define	IN6ADDRSZ	NS_IN6ADDRSZ
143 #define	INDIR_MASK	NS_CMPRSFLGS
144 #define NAMESERVER_PORT	NS_DEFAULTPORT
145 
146 #define S_ZONE		ns_s_zn
147 #define S_PREREQ	ns_s_pr
148 #define S_UPDATE	ns_s_ud
149 #define S_ADDT		ns_s_ar
150 
151 #define QUERY		ns_o_query
152 #define IQUERY		ns_o_iquery
153 #define STATUS		ns_o_status
154 #define	NS_NOTIFY_OP	ns_o_notify
155 #define	NS_UPDATE_OP	ns_o_update
156 
157 #define NOERROR		ns_r_noerror
158 #define FORMERR		ns_r_formerr
159 #define SERVFAIL	ns_r_servfail
160 #define NXDOMAIN	ns_r_nxdomain
161 #define NOTIMP		ns_r_notimpl
162 #define REFUSED		ns_r_refused
163 #define YXDOMAIN	ns_r_yxdomain
164 #define YXRRSET		ns_r_yxrrset
165 #define NXRRSET		ns_r_nxrrset
166 #define NOTAUTH		ns_r_notauth
167 #define NOTZONE		ns_r_notzone
168 /*#define BADSIG		ns_r_badsig*/
169 /*#define BADKEY		ns_r_badkey*/
170 /*#define BADTIME		ns_r_badtime*/
171 
172 
173 #define DELETE		ns_uop_delete
174 #define ADD		ns_uop_add
175 
176 #define T_A		ns_t_a
177 #define T_NS		ns_t_ns
178 #define T_MD		ns_t_md
179 #define T_MF		ns_t_mf
180 #define T_CNAME		ns_t_cname
181 #define T_SOA		ns_t_soa
182 #define T_MB		ns_t_mb
183 #define T_MG		ns_t_mg
184 #define T_MR		ns_t_mr
185 #define T_NULL		ns_t_null
186 #define T_WKS		ns_t_wks
187 #define T_PTR		ns_t_ptr
188 #define T_HINFO		ns_t_hinfo
189 #define T_MINFO		ns_t_minfo
190 #define T_MX		ns_t_mx
191 #define T_TXT		ns_t_txt
192 #define	T_RP		ns_t_rp
193 #define T_AFSDB		ns_t_afsdb
194 #define T_X25		ns_t_x25
195 #define T_ISDN		ns_t_isdn
196 #define T_RT		ns_t_rt
197 #define T_NSAP		ns_t_nsap
198 #define T_NSAP_PTR	ns_t_nsap_ptr
199 #define	T_SIG		ns_t_sig
200 #define	T_KEY		ns_t_key
201 #define	T_PX		ns_t_px
202 #define	T_GPOS		ns_t_gpos
203 #define	T_AAAA		ns_t_aaaa
204 #define	T_LOC		ns_t_loc
205 #define	T_NXT		ns_t_nxt
206 #define	T_EID		ns_t_eid
207 #define	T_NIMLOC	ns_t_nimloc
208 #define	T_SRV		ns_t_srv
209 #define T_ATMA		ns_t_atma
210 #define T_NAPTR		ns_t_naptr
211 #define T_A6		ns_t_a6
212 #define	T_TSIG		ns_t_tsig
213 #define	T_IXFR		ns_t_ixfr
214 #define T_AXFR		ns_t_axfr
215 #define T_MAILB		ns_t_mailb
216 #define T_MAILA		ns_t_maila
217 #define T_ANY		ns_t_any
218 
219 #define C_IN		ns_c_in
220 #define C_CHAOS		ns_c_chaos
221 #define C_HS		ns_c_hs
222 /* BIND_UPDATE */
223 #define C_NONE		ns_c_none
224 #define C_ANY		ns_c_any
225 
226 #define	GETSHORT		NS_GET16
227 #define	GETLONG			NS_GET32
228 #define	PUTSHORT		NS_PUT16
229 #define	PUTLONG			NS_PUT32
230 
231 #endif /* _ARPA_NAMESER_COMPAT_ */
232 /*! \file */
233