xref: /freebsd/include/arpa/nameser_compat.h (revision e0c4386e7e71d93b0edc0c8fa156263fc4a8b0b6)
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  */
36 
37 #ifndef _ARPA_NAMESER_COMPAT_
38 #define	_ARPA_NAMESER_COMPAT_
39 
40 #define	__BIND		19950621	/*%< (DEAD) interface version stamp. */
41 
42 #include <machine/endian.h>
43 
44 #if !defined(_BYTE_ORDER) || \
45     (_BYTE_ORDER != _BIG_ENDIAN && _BYTE_ORDER != _LITTLE_ENDIAN && \
46     _BYTE_ORDER != _PDP_ENDIAN)
47 	/* you must determine what the correct bit order is for
48 	 * your compiler - the next line is an intentional error
49 	 * which will force your compiles to bomb until you fix
50 	 * the above macros.
51 	 */
52 #error "Undefined or invalid _BYTE_ORDER";
53 #endif
54 
55 /*%
56  * Structure for query header.  The order of the fields is machine- and
57  * compiler-dependent, depending on the byte/bit order and the layout
58  * of bit fields.  We use bit fields only in int variables, as this
59  * is all ANSI requires.  This requires a somewhat confusing rearrangement.
60  */
61 
62 typedef struct {
63 	unsigned	id :16;		/*%< query identification number */
64 #if _BYTE_ORDER == _BIG_ENDIAN
65 			/* fields in third byte */
66 	unsigned	qr: 1;		/*%< response flag */
67 	unsigned	opcode: 4;	/*%< purpose of message */
68 	unsigned	aa: 1;		/*%< authoritative answer */
69 	unsigned	tc: 1;		/*%< truncated message */
70 	unsigned	rd: 1;		/*%< recursion desired */
71 			/* fields in fourth byte */
72 	unsigned	ra: 1;		/*%< recursion available */
73 	unsigned	unused :1;	/*%< unused bits (MBZ as of 4.9.3a3) */
74 	unsigned	ad: 1;		/*%< authentic data from named */
75 	unsigned	cd: 1;		/*%< checking disabled by resolver */
76 	unsigned	rcode :4;	/*%< response code */
77 #endif
78 #if _BYTE_ORDER == _LITTLE_ENDIAN || _BYTE_ORDER == _PDP_ENDIAN
79 			/* fields in third byte */
80 	unsigned	rd :1;		/*%< recursion desired */
81 	unsigned	tc :1;		/*%< truncated message */
82 	unsigned	aa :1;		/*%< authoritative answer */
83 	unsigned	opcode :4;	/*%< purpose of message */
84 	unsigned	qr :1;		/*%< response flag */
85 			/* fields in fourth byte */
86 	unsigned	rcode :4;	/*%< response code */
87 	unsigned	cd: 1;		/*%< checking disabled by resolver */
88 	unsigned	ad: 1;		/*%< authentic data from named */
89 	unsigned	unused :1;	/*%< unused bits (MBZ as of 4.9.3a3) */
90 	unsigned	ra :1;		/*%< recursion available */
91 #endif
92 			/* remaining bytes */
93 	unsigned	qdcount :16;	/*%< number of question entries */
94 	unsigned	ancount :16;	/*%< number of answer entries */
95 	unsigned	nscount :16;	/*%< number of authority entries */
96 	unsigned	arcount :16;	/*%< number of resource entries */
97 } HEADER;
98 
99 #define PACKETSZ	NS_PACKETSZ
100 #define MAXDNAME	NS_MAXDNAME
101 #define MAXCDNAME	NS_MAXCDNAME
102 #define MAXLABEL	NS_MAXLABEL
103 #define	HFIXEDSZ	NS_HFIXEDSZ
104 #define QFIXEDSZ	NS_QFIXEDSZ
105 #define RRFIXEDSZ	NS_RRFIXEDSZ
106 #define	INT32SZ		NS_INT32SZ
107 #define	INT16SZ		NS_INT16SZ
108 #define	INT8SZ		NS_INT8SZ
109 #define	INADDRSZ	NS_INADDRSZ
110 #define	IN6ADDRSZ	NS_IN6ADDRSZ
111 #define	INDIR_MASK	NS_CMPRSFLGS
112 #define NAMESERVER_PORT	NS_DEFAULTPORT
113 
114 #define S_ZONE		ns_s_zn
115 #define S_PREREQ	ns_s_pr
116 #define S_UPDATE	ns_s_ud
117 #define S_ADDT		ns_s_ar
118 
119 #define QUERY		ns_o_query
120 #define IQUERY		ns_o_iquery
121 #define STATUS		ns_o_status
122 #define	NS_NOTIFY_OP	ns_o_notify
123 #define	NS_UPDATE_OP	ns_o_update
124 
125 #define NOERROR		ns_r_noerror
126 #define FORMERR		ns_r_formerr
127 #define SERVFAIL	ns_r_servfail
128 #define NXDOMAIN	ns_r_nxdomain
129 #define NOTIMP		ns_r_notimpl
130 #define REFUSED		ns_r_refused
131 #define YXDOMAIN	ns_r_yxdomain
132 #define YXRRSET		ns_r_yxrrset
133 #define NXRRSET		ns_r_nxrrset
134 #define NOTAUTH		ns_r_notauth
135 #define NOTZONE		ns_r_notzone
136 /*#define BADSIG		ns_r_badsig*/
137 /*#define BADKEY		ns_r_badkey*/
138 /*#define BADTIME		ns_r_badtime*/
139 
140 
141 #define DELETE		ns_uop_delete
142 #define ADD		ns_uop_add
143 
144 #define T_A		ns_t_a
145 #define T_NS		ns_t_ns
146 #define T_MD		ns_t_md
147 #define T_MF		ns_t_mf
148 #define T_CNAME		ns_t_cname
149 #define T_SOA		ns_t_soa
150 #define T_MB		ns_t_mb
151 #define T_MG		ns_t_mg
152 #define T_MR		ns_t_mr
153 #define T_NULL		ns_t_null
154 #define T_WKS		ns_t_wks
155 #define T_PTR		ns_t_ptr
156 #define T_HINFO		ns_t_hinfo
157 #define T_MINFO		ns_t_minfo
158 #define T_MX		ns_t_mx
159 #define T_TXT		ns_t_txt
160 #define	T_RP		ns_t_rp
161 #define T_AFSDB		ns_t_afsdb
162 #define T_X25		ns_t_x25
163 #define T_ISDN		ns_t_isdn
164 #define T_RT		ns_t_rt
165 #define T_NSAP		ns_t_nsap
166 #define T_NSAP_PTR	ns_t_nsap_ptr
167 #define	T_SIG		ns_t_sig
168 #define	T_KEY		ns_t_key
169 #define	T_PX		ns_t_px
170 #define	T_GPOS		ns_t_gpos
171 #define	T_AAAA		ns_t_aaaa
172 #define	T_LOC		ns_t_loc
173 #define	T_NXT		ns_t_nxt
174 #define	T_EID		ns_t_eid
175 #define	T_NIMLOC	ns_t_nimloc
176 #define	T_SRV		ns_t_srv
177 #define T_ATMA		ns_t_atma
178 #define T_NAPTR		ns_t_naptr
179 #define T_KX		ns_t_kx
180 #define T_CERT		ns_t_cert
181 #define T_A6		ns_t_a6
182 #define T_DNAME		ns_t_dname
183 #define T_SINK		ns_t_sink
184 #define T_OPT		ns_t_opt
185 #define T_APL		ns_t_apl
186 #define T_DS		ns_t_ds
187 #define T_SSHFP		ns_t_sshfp
188 #define T_IPSECKEY	ns_t_ipseckey
189 #define T_RRSIG		ns_t_rrsig
190 #define T_NSEC		ns_t_nsec
191 #define T_DNSKEY	ns_t_dnskey
192 #define T_DHCID		ns_t_dhcid
193 #define T_NSEC3		ns_t_nsec3
194 #define T_NSEC3PARAM	ns_t_nsec3param
195 #define T_HIP		ns_t_hip
196 #define T_SPF		ns_t_spf
197 #define T_TKEY		ns_t_tkey
198 #define	T_TSIG		ns_t_tsig
199 #define	T_IXFR		ns_t_ixfr
200 #define T_AXFR		ns_t_axfr
201 #define T_MAILB		ns_t_mailb
202 #define T_MAILA		ns_t_maila
203 #define T_ANY		ns_t_any
204 #define T_ZXFR		ns_t_zxfr
205 #define T_DLV		ns_t_dlv
206 
207 #define C_IN		ns_c_in
208 #define C_CHAOS		ns_c_chaos
209 #define C_HS		ns_c_hs
210 /* BIND_UPDATE */
211 #define C_NONE		ns_c_none
212 #define C_ANY		ns_c_any
213 
214 #define	GETSHORT		NS_GET16
215 #define	GETLONG			NS_GET32
216 #define	PUTSHORT		NS_PUT16
217 #define	PUTLONG			NS_PUT32
218 
219 #endif /* _ARPA_NAMESER_COMPAT_ */
220 /*! \file */
221