xref: /freebsd/include/arpa/nameser_compat.h (revision 35a04710d7286aa9538917fd7f8e417dbee95b82)
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 1.5.18.3 2006/05/19 02:36:00 marka Exp $
36  * $FreeBSD$
37  */
38 
39 #ifndef _ARPA_NAMESER_COMPAT_
40 #define	_ARPA_NAMESER_COMPAT_
41 
42 #define	__BIND		19950621	/*%< (DEAD) interface version stamp. */
43 
44 #include <machine/endian.h>
45 
46 #if !defined(_BYTE_ORDER) || \
47     (_BYTE_ORDER != _BIG_ENDIAN && _BYTE_ORDER != _LITTLE_ENDIAN && \
48     _BYTE_ORDER != _PDP_ENDIAN)
49 	/* you must determine what the correct bit order is for
50 	 * your compiler - the next line is an intentional error
51 	 * which will force your compiles to bomb until you fix
52 	 * the above macros.
53 	 */
54 #error "Undefined or invalid _BYTE_ORDER";
55 #endif
56 
57 /*%
58  * Structure for query header.  The order of the fields is machine- and
59  * compiler-dependent, depending on the byte/bit order and the layout
60  * of bit fields.  We use bit fields only in int variables, as this
61  * is all ANSI requires.  This requires a somewhat confusing rearrangement.
62  */
63 
64 typedef struct {
65 	unsigned	id :16;		/*%< query identification number */
66 #if _BYTE_ORDER == _BIG_ENDIAN
67 			/* fields in third byte */
68 	unsigned	qr: 1;		/*%< response flag */
69 	unsigned	opcode: 4;	/*%< purpose of message */
70 	unsigned	aa: 1;		/*%< authoritive answer */
71 	unsigned	tc: 1;		/*%< truncated message */
72 	unsigned	rd: 1;		/*%< recursion desired */
73 			/* fields in fourth byte */
74 	unsigned	ra: 1;		/*%< recursion available */
75 	unsigned	unused :1;	/*%< unused bits (MBZ as of 4.9.3a3) */
76 	unsigned	ad: 1;		/*%< authentic data from named */
77 	unsigned	cd: 1;		/*%< checking disabled by resolver */
78 	unsigned	rcode :4;	/*%< response code */
79 #endif
80 #if _BYTE_ORDER == _LITTLE_ENDIAN || _BYTE_ORDER == _PDP_ENDIAN
81 			/* fields in third byte */
82 	unsigned	rd :1;		/*%< recursion desired */
83 	unsigned	tc :1;		/*%< truncated message */
84 	unsigned	aa :1;		/*%< authoritive answer */
85 	unsigned	opcode :4;	/*%< purpose of message */
86 	unsigned	qr :1;		/*%< response flag */
87 			/* fields in fourth byte */
88 	unsigned	rcode :4;	/*%< response code */
89 	unsigned	cd: 1;		/*%< checking disabled by resolver */
90 	unsigned	ad: 1;		/*%< authentic data from named */
91 	unsigned	unused :1;	/*%< unused bits (MBZ as of 4.9.3a3) */
92 	unsigned	ra :1;		/*%< recursion available */
93 #endif
94 			/* remaining bytes */
95 	unsigned	qdcount :16;	/*%< number of question entries */
96 	unsigned	ancount :16;	/*%< number of answer entries */
97 	unsigned	nscount :16;	/*%< number of authority entries */
98 	unsigned	arcount :16;	/*%< number of resource entries */
99 } HEADER;
100 
101 #define PACKETSZ	NS_PACKETSZ
102 #define MAXDNAME	NS_MAXDNAME
103 #define MAXCDNAME	NS_MAXCDNAME
104 #define MAXLABEL	NS_MAXLABEL
105 #define	HFIXEDSZ	NS_HFIXEDSZ
106 #define QFIXEDSZ	NS_QFIXEDSZ
107 #define RRFIXEDSZ	NS_RRFIXEDSZ
108 #define	INT32SZ		NS_INT32SZ
109 #define	INT16SZ		NS_INT16SZ
110 #define	INT8SZ		NS_INT8SZ
111 #define	INADDRSZ	NS_INADDRSZ
112 #define	IN6ADDRSZ	NS_IN6ADDRSZ
113 #define	INDIR_MASK	NS_CMPRSFLGS
114 #define NAMESERVER_PORT	NS_DEFAULTPORT
115 
116 #define S_ZONE		ns_s_zn
117 #define S_PREREQ	ns_s_pr
118 #define S_UPDATE	ns_s_ud
119 #define S_ADDT		ns_s_ar
120 
121 #define QUERY		ns_o_query
122 #define IQUERY		ns_o_iquery
123 #define STATUS		ns_o_status
124 #define	NS_NOTIFY_OP	ns_o_notify
125 #define	NS_UPDATE_OP	ns_o_update
126 
127 #define NOERROR		ns_r_noerror
128 #define FORMERR		ns_r_formerr
129 #define SERVFAIL	ns_r_servfail
130 #define NXDOMAIN	ns_r_nxdomain
131 #define NOTIMP		ns_r_notimpl
132 #define REFUSED		ns_r_refused
133 #define YXDOMAIN	ns_r_yxdomain
134 #define YXRRSET		ns_r_yxrrset
135 #define NXRRSET		ns_r_nxrrset
136 #define NOTAUTH		ns_r_notauth
137 #define NOTZONE		ns_r_notzone
138 /*#define BADSIG		ns_r_badsig*/
139 /*#define BADKEY		ns_r_badkey*/
140 /*#define BADTIME		ns_r_badtime*/
141 
142 
143 #define DELETE		ns_uop_delete
144 #define ADD		ns_uop_add
145 
146 #define T_A		ns_t_a
147 #define T_NS		ns_t_ns
148 #define T_MD		ns_t_md
149 #define T_MF		ns_t_mf
150 #define T_CNAME		ns_t_cname
151 #define T_SOA		ns_t_soa
152 #define T_MB		ns_t_mb
153 #define T_MG		ns_t_mg
154 #define T_MR		ns_t_mr
155 #define T_NULL		ns_t_null
156 #define T_WKS		ns_t_wks
157 #define T_PTR		ns_t_ptr
158 #define T_HINFO		ns_t_hinfo
159 #define T_MINFO		ns_t_minfo
160 #define T_MX		ns_t_mx
161 #define T_TXT		ns_t_txt
162 #define	T_RP		ns_t_rp
163 #define T_AFSDB		ns_t_afsdb
164 #define T_X25		ns_t_x25
165 #define T_ISDN		ns_t_isdn
166 #define T_RT		ns_t_rt
167 #define T_NSAP		ns_t_nsap
168 #define T_NSAP_PTR	ns_t_nsap_ptr
169 #define	T_SIG		ns_t_sig
170 #define	T_KEY		ns_t_key
171 #define	T_PX		ns_t_px
172 #define	T_GPOS		ns_t_gpos
173 #define	T_AAAA		ns_t_aaaa
174 #define	T_LOC		ns_t_loc
175 #define	T_NXT		ns_t_nxt
176 #define	T_EID		ns_t_eid
177 #define	T_NIMLOC	ns_t_nimloc
178 #define	T_SRV		ns_t_srv
179 #define T_ATMA		ns_t_atma
180 #define T_NAPTR		ns_t_naptr
181 #define T_A6		ns_t_a6
182 #define T_OPT		ns_t_opt
183 #define	T_TSIG		ns_t_tsig
184 #define	T_IXFR		ns_t_ixfr
185 #define T_AXFR		ns_t_axfr
186 #define T_MAILB		ns_t_mailb
187 #define T_MAILA		ns_t_maila
188 #define T_ANY		ns_t_any
189 
190 #define C_IN		ns_c_in
191 #define C_CHAOS		ns_c_chaos
192 #define C_HS		ns_c_hs
193 /* BIND_UPDATE */
194 #define C_NONE		ns_c_none
195 #define C_ANY		ns_c_any
196 
197 #define	GETSHORT		NS_GET16
198 #define	GETLONG			NS_GET32
199 #define	PUTSHORT		NS_PUT16
200 #define	PUTLONG			NS_PUT32
201 
202 #endif /* _ARPA_NAMESER_COMPAT_ */
203 /*! \file */
204