xref: /freebsd/include/arpa/nameser_compat.h (revision 6472ac3d8a86336899b6cfb789a4cd9897e3fab5)
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. Neither the name of the University nor the names of its contributors
13  *    may be used to endorse or promote products derived from this software
14  *    without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 /*%
30  *      from nameser.h	8.1 (Berkeley) 6/2/93
31  *	$Id: nameser_compat.h,v 1.5.18.3 2006/05/19 02:36:00 marka Exp $
32  * $FreeBSD$
33  */
34 
35 #ifndef _ARPA_NAMESER_COMPAT_
36 #define	_ARPA_NAMESER_COMPAT_
37 
38 #define	__BIND		19950621	/*%< (DEAD) interface version stamp. */
39 
40 #include <machine/endian.h>
41 
42 #if !defined(_BYTE_ORDER) || \
43     (_BYTE_ORDER != _BIG_ENDIAN && _BYTE_ORDER != _LITTLE_ENDIAN && \
44     _BYTE_ORDER != _PDP_ENDIAN)
45 	/* you must determine what the correct bit order is for
46 	 * your compiler - the next line is an intentional error
47 	 * which will force your compiles to bomb until you fix
48 	 * the above macros.
49 	 */
50 #error "Undefined or invalid _BYTE_ORDER";
51 #endif
52 
53 /*%
54  * Structure for query header.  The order of the fields is machine- and
55  * compiler-dependent, depending on the byte/bit order and the layout
56  * of bit fields.  We use bit fields only in int variables, as this
57  * is all ANSI requires.  This requires a somewhat confusing rearrangement.
58  */
59 
60 typedef struct {
61 	unsigned	id :16;		/*%< query identification number */
62 #if _BYTE_ORDER == _BIG_ENDIAN
63 			/* fields in third byte */
64 	unsigned	qr: 1;		/*%< response flag */
65 	unsigned	opcode: 4;	/*%< purpose of message */
66 	unsigned	aa: 1;		/*%< authoritive answer */
67 	unsigned	tc: 1;		/*%< truncated message */
68 	unsigned	rd: 1;		/*%< recursion desired */
69 			/* fields in fourth byte */
70 	unsigned	ra: 1;		/*%< recursion available */
71 	unsigned	unused :1;	/*%< unused bits (MBZ as of 4.9.3a3) */
72 	unsigned	ad: 1;		/*%< authentic data from named */
73 	unsigned	cd: 1;		/*%< checking disabled by resolver */
74 	unsigned	rcode :4;	/*%< response code */
75 #endif
76 #if _BYTE_ORDER == _LITTLE_ENDIAN || _BYTE_ORDER == _PDP_ENDIAN
77 			/* fields in third byte */
78 	unsigned	rd :1;		/*%< recursion desired */
79 	unsigned	tc :1;		/*%< truncated message */
80 	unsigned	aa :1;		/*%< authoritive answer */
81 	unsigned	opcode :4;	/*%< purpose of message */
82 	unsigned	qr :1;		/*%< response flag */
83 			/* fields in fourth byte */
84 	unsigned	rcode :4;	/*%< response code */
85 	unsigned	cd: 1;		/*%< checking disabled by resolver */
86 	unsigned	ad: 1;		/*%< authentic data from named */
87 	unsigned	unused :1;	/*%< unused bits (MBZ as of 4.9.3a3) */
88 	unsigned	ra :1;		/*%< recursion available */
89 #endif
90 			/* remaining bytes */
91 	unsigned	qdcount :16;	/*%< number of question entries */
92 	unsigned	ancount :16;	/*%< number of answer entries */
93 	unsigned	nscount :16;	/*%< number of authority entries */
94 	unsigned	arcount :16;	/*%< number of resource entries */
95 } HEADER;
96 
97 #define PACKETSZ	NS_PACKETSZ
98 #define MAXDNAME	NS_MAXDNAME
99 #define MAXCDNAME	NS_MAXCDNAME
100 #define MAXLABEL	NS_MAXLABEL
101 #define	HFIXEDSZ	NS_HFIXEDSZ
102 #define QFIXEDSZ	NS_QFIXEDSZ
103 #define RRFIXEDSZ	NS_RRFIXEDSZ
104 #define	INT32SZ		NS_INT32SZ
105 #define	INT16SZ		NS_INT16SZ
106 #define	INT8SZ		NS_INT8SZ
107 #define	INADDRSZ	NS_INADDRSZ
108 #define	IN6ADDRSZ	NS_IN6ADDRSZ
109 #define	INDIR_MASK	NS_CMPRSFLGS
110 #define NAMESERVER_PORT	NS_DEFAULTPORT
111 
112 #define S_ZONE		ns_s_zn
113 #define S_PREREQ	ns_s_pr
114 #define S_UPDATE	ns_s_ud
115 #define S_ADDT		ns_s_ar
116 
117 #define QUERY		ns_o_query
118 #define IQUERY		ns_o_iquery
119 #define STATUS		ns_o_status
120 #define	NS_NOTIFY_OP	ns_o_notify
121 #define	NS_UPDATE_OP	ns_o_update
122 
123 #define NOERROR		ns_r_noerror
124 #define FORMERR		ns_r_formerr
125 #define SERVFAIL	ns_r_servfail
126 #define NXDOMAIN	ns_r_nxdomain
127 #define NOTIMP		ns_r_notimpl
128 #define REFUSED		ns_r_refused
129 #define YXDOMAIN	ns_r_yxdomain
130 #define YXRRSET		ns_r_yxrrset
131 #define NXRRSET		ns_r_nxrrset
132 #define NOTAUTH		ns_r_notauth
133 #define NOTZONE		ns_r_notzone
134 /*#define BADSIG		ns_r_badsig*/
135 /*#define BADKEY		ns_r_badkey*/
136 /*#define BADTIME		ns_r_badtime*/
137 
138 
139 #define DELETE		ns_uop_delete
140 #define ADD		ns_uop_add
141 
142 #define T_A		ns_t_a
143 #define T_NS		ns_t_ns
144 #define T_MD		ns_t_md
145 #define T_MF		ns_t_mf
146 #define T_CNAME		ns_t_cname
147 #define T_SOA		ns_t_soa
148 #define T_MB		ns_t_mb
149 #define T_MG		ns_t_mg
150 #define T_MR		ns_t_mr
151 #define T_NULL		ns_t_null
152 #define T_WKS		ns_t_wks
153 #define T_PTR		ns_t_ptr
154 #define T_HINFO		ns_t_hinfo
155 #define T_MINFO		ns_t_minfo
156 #define T_MX		ns_t_mx
157 #define T_TXT		ns_t_txt
158 #define	T_RP		ns_t_rp
159 #define T_AFSDB		ns_t_afsdb
160 #define T_X25		ns_t_x25
161 #define T_ISDN		ns_t_isdn
162 #define T_RT		ns_t_rt
163 #define T_NSAP		ns_t_nsap
164 #define T_NSAP_PTR	ns_t_nsap_ptr
165 #define	T_SIG		ns_t_sig
166 #define	T_KEY		ns_t_key
167 #define	T_PX		ns_t_px
168 #define	T_GPOS		ns_t_gpos
169 #define	T_AAAA		ns_t_aaaa
170 #define	T_LOC		ns_t_loc
171 #define	T_NXT		ns_t_nxt
172 #define	T_EID		ns_t_eid
173 #define	T_NIMLOC	ns_t_nimloc
174 #define	T_SRV		ns_t_srv
175 #define T_ATMA		ns_t_atma
176 #define T_NAPTR		ns_t_naptr
177 #define T_A6		ns_t_a6
178 #define T_OPT		ns_t_opt
179 #define	T_TSIG		ns_t_tsig
180 #define	T_IXFR		ns_t_ixfr
181 #define T_AXFR		ns_t_axfr
182 #define T_MAILB		ns_t_mailb
183 #define T_MAILA		ns_t_maila
184 #define T_ANY		ns_t_any
185 
186 #define C_IN		ns_c_in
187 #define C_CHAOS		ns_c_chaos
188 #define C_HS		ns_c_hs
189 /* BIND_UPDATE */
190 #define C_NONE		ns_c_none
191 #define C_ANY		ns_c_any
192 
193 #define	GETSHORT		NS_GET16
194 #define	GETLONG			NS_GET32
195 #define	PUTSHORT		NS_PUT16
196 #define	PUTLONG			NS_PUT32
197 
198 #endif /* _ARPA_NAMESER_COMPAT_ */
199 /*! \file */
200