xref: /freebsd/include/arpa/nameser_compat.h (revision 9768746ba83efa02837c5b9c66348db6e900208f)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1983, 1989
5  *    The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 /*%
33  *      from nameser.h	8.1 (Berkeley) 6/2/93
34  *	$Id: nameser_compat.h,v 1.8 2006/05/19 02:33:40 marka Exp $
35  * $FreeBSD$
36  */
37 
38 #ifndef _ARPA_NAMESER_COMPAT_
39 #define	_ARPA_NAMESER_COMPAT_
40 
41 #define	__BIND		19950621	/*%< (DEAD) interface version stamp. */
42 
43 #include <machine/endian.h>
44 
45 #if !defined(_BYTE_ORDER) || \
46     (_BYTE_ORDER != _BIG_ENDIAN && _BYTE_ORDER != _LITTLE_ENDIAN && \
47     _BYTE_ORDER != _PDP_ENDIAN)
48 	/* you must determine what the correct bit order is for
49 	 * your compiler - the next line is an intentional error
50 	 * which will force your compiles to bomb until you fix
51 	 * the above macros.
52 	 */
53 #error "Undefined or invalid _BYTE_ORDER";
54 #endif
55 
56 /*%
57  * Structure for query header.  The order of the fields is machine- and
58  * compiler-dependent, depending on the byte/bit order and the layout
59  * of bit fields.  We use bit fields only in int variables, as this
60  * is all ANSI requires.  This requires a somewhat confusing rearrangement.
61  */
62 
63 typedef struct {
64 	unsigned	id :16;		/*%< query identification number */
65 #if _BYTE_ORDER == _BIG_ENDIAN
66 			/* fields in third byte */
67 	unsigned	qr: 1;		/*%< response flag */
68 	unsigned	opcode: 4;	/*%< purpose of message */
69 	unsigned	aa: 1;		/*%< authoritative answer */
70 	unsigned	tc: 1;		/*%< truncated message */
71 	unsigned	rd: 1;		/*%< recursion desired */
72 			/* fields in fourth byte */
73 	unsigned	ra: 1;		/*%< recursion available */
74 	unsigned	unused :1;	/*%< unused bits (MBZ as of 4.9.3a3) */
75 	unsigned	ad: 1;		/*%< authentic data from named */
76 	unsigned	cd: 1;		/*%< checking disabled by resolver */
77 	unsigned	rcode :4;	/*%< response code */
78 #endif
79 #if _BYTE_ORDER == _LITTLE_ENDIAN || _BYTE_ORDER == _PDP_ENDIAN
80 			/* fields in third byte */
81 	unsigned	rd :1;		/*%< recursion desired */
82 	unsigned	tc :1;		/*%< truncated message */
83 	unsigned	aa :1;		/*%< authoritative answer */
84 	unsigned	opcode :4;	/*%< purpose of message */
85 	unsigned	qr :1;		/*%< response flag */
86 			/* fields in fourth byte */
87 	unsigned	rcode :4;	/*%< response code */
88 	unsigned	cd: 1;		/*%< checking disabled by resolver */
89 	unsigned	ad: 1;		/*%< authentic data from named */
90 	unsigned	unused :1;	/*%< unused bits (MBZ as of 4.9.3a3) */
91 	unsigned	ra :1;		/*%< recursion available */
92 #endif
93 			/* remaining bytes */
94 	unsigned	qdcount :16;	/*%< number of question entries */
95 	unsigned	ancount :16;	/*%< number of answer entries */
96 	unsigned	nscount :16;	/*%< number of authority entries */
97 	unsigned	arcount :16;	/*%< number of resource entries */
98 } HEADER;
99 
100 #define PACKETSZ	NS_PACKETSZ
101 #define MAXDNAME	NS_MAXDNAME
102 #define MAXCDNAME	NS_MAXCDNAME
103 #define MAXLABEL	NS_MAXLABEL
104 #define	HFIXEDSZ	NS_HFIXEDSZ
105 #define QFIXEDSZ	NS_QFIXEDSZ
106 #define RRFIXEDSZ	NS_RRFIXEDSZ
107 #define	INT32SZ		NS_INT32SZ
108 #define	INT16SZ		NS_INT16SZ
109 #define	INT8SZ		NS_INT8SZ
110 #define	INADDRSZ	NS_INADDRSZ
111 #define	IN6ADDRSZ	NS_IN6ADDRSZ
112 #define	INDIR_MASK	NS_CMPRSFLGS
113 #define NAMESERVER_PORT	NS_DEFAULTPORT
114 
115 #define S_ZONE		ns_s_zn
116 #define S_PREREQ	ns_s_pr
117 #define S_UPDATE	ns_s_ud
118 #define S_ADDT		ns_s_ar
119 
120 #define QUERY		ns_o_query
121 #define IQUERY		ns_o_iquery
122 #define STATUS		ns_o_status
123 #define	NS_NOTIFY_OP	ns_o_notify
124 #define	NS_UPDATE_OP	ns_o_update
125 
126 #define NOERROR		ns_r_noerror
127 #define FORMERR		ns_r_formerr
128 #define SERVFAIL	ns_r_servfail
129 #define NXDOMAIN	ns_r_nxdomain
130 #define NOTIMP		ns_r_notimpl
131 #define REFUSED		ns_r_refused
132 #define YXDOMAIN	ns_r_yxdomain
133 #define YXRRSET		ns_r_yxrrset
134 #define NXRRSET		ns_r_nxrrset
135 #define NOTAUTH		ns_r_notauth
136 #define NOTZONE		ns_r_notzone
137 /*#define BADSIG		ns_r_badsig*/
138 /*#define BADKEY		ns_r_badkey*/
139 /*#define BADTIME		ns_r_badtime*/
140 
141 
142 #define DELETE		ns_uop_delete
143 #define ADD		ns_uop_add
144 
145 #define T_A		ns_t_a
146 #define T_NS		ns_t_ns
147 #define T_MD		ns_t_md
148 #define T_MF		ns_t_mf
149 #define T_CNAME		ns_t_cname
150 #define T_SOA		ns_t_soa
151 #define T_MB		ns_t_mb
152 #define T_MG		ns_t_mg
153 #define T_MR		ns_t_mr
154 #define T_NULL		ns_t_null
155 #define T_WKS		ns_t_wks
156 #define T_PTR		ns_t_ptr
157 #define T_HINFO		ns_t_hinfo
158 #define T_MINFO		ns_t_minfo
159 #define T_MX		ns_t_mx
160 #define T_TXT		ns_t_txt
161 #define	T_RP		ns_t_rp
162 #define T_AFSDB		ns_t_afsdb
163 #define T_X25		ns_t_x25
164 #define T_ISDN		ns_t_isdn
165 #define T_RT		ns_t_rt
166 #define T_NSAP		ns_t_nsap
167 #define T_NSAP_PTR	ns_t_nsap_ptr
168 #define	T_SIG		ns_t_sig
169 #define	T_KEY		ns_t_key
170 #define	T_PX		ns_t_px
171 #define	T_GPOS		ns_t_gpos
172 #define	T_AAAA		ns_t_aaaa
173 #define	T_LOC		ns_t_loc
174 #define	T_NXT		ns_t_nxt
175 #define	T_EID		ns_t_eid
176 #define	T_NIMLOC	ns_t_nimloc
177 #define	T_SRV		ns_t_srv
178 #define T_ATMA		ns_t_atma
179 #define T_NAPTR		ns_t_naptr
180 #define T_KX		ns_t_kx
181 #define T_CERT		ns_t_cert
182 #define T_A6		ns_t_a6
183 #define T_DNAME		ns_t_dname
184 #define T_SINK		ns_t_sink
185 #define T_OPT		ns_t_opt
186 #define T_APL		ns_t_apl
187 #define T_DS		ns_t_ds
188 #define T_SSHFP		ns_t_sshfp
189 #define T_IPSECKEY	ns_t_ipseckey
190 #define T_RRSIG		ns_t_rrsig
191 #define T_NSEC		ns_t_nsec
192 #define T_DNSKEY	ns_t_dnskey
193 #define T_DHCID		ns_t_dhcid
194 #define T_NSEC3		ns_t_nsec3
195 #define T_NSEC3PARAM	ns_t_nsec3param
196 #define T_HIP		ns_t_hip
197 #define T_SPF		ns_t_spf
198 #define T_TKEY		ns_t_tkey
199 #define	T_TSIG		ns_t_tsig
200 #define	T_IXFR		ns_t_ixfr
201 #define T_AXFR		ns_t_axfr
202 #define T_MAILB		ns_t_mailb
203 #define T_MAILA		ns_t_maila
204 #define T_ANY		ns_t_any
205 #define T_ZXFR		ns_t_zxfr
206 #define T_DLV		ns_t_dlv
207 
208 #define C_IN		ns_c_in
209 #define C_CHAOS		ns_c_chaos
210 #define C_HS		ns_c_hs
211 /* BIND_UPDATE */
212 #define C_NONE		ns_c_none
213 #define C_ANY		ns_c_any
214 
215 #define	GETSHORT		NS_GET16
216 #define	GETLONG			NS_GET32
217 #define	PUTSHORT		NS_PUT16
218 #define	PUTLONG			NS_PUT32
219 
220 #endif /* _ARPA_NAMESER_COMPAT_ */
221 /*! \file */
222