xref: /dragonfly/include/arpa/nameser_compat.h (revision 07ed7d32)
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: src/include/arpa/nameser_compat.h,v 1.7 2007/06/03 17:20:25 ume Exp $
33  * $DragonFly: src/include/arpa/nameser_compat.h,v 1.2 2003/06/17 04:25:58 dillon Exp $
34  */
35 
36 #ifndef _ARPA_NAMESER_COMPAT_
37 #define	_ARPA_NAMESER_COMPAT_
38 
39 #define	__BIND		19950621	/* (DEAD) interface version stamp. */
40 
41 #include <machine/endian.h>
42 
43 #if !defined(_BYTE_ORDER) || \
44     (_BYTE_ORDER != _BIG_ENDIAN && _BYTE_ORDER != _LITTLE_ENDIAN && \
45     _BYTE_ORDER != _PDP_ENDIAN)
46 	/* you must determine what the correct bit order is for
47 	 * your compiler - the next line is an intentional error
48 	 * which will force your compiles to bomb until you fix
49 	 * the above macros.
50 	 */
51 #error "Undefined or invalid _BYTE_ORDER";
52 #endif
53 
54 /*
55  * Structure for query header.  The order of the fields is machine- and
56  * compiler-dependent, depending on the byte/bit order and the layout
57  * of bit fields.  We use bit fields only in int variables, as this
58  * is all ANSI requires.  This requires a somewhat confusing rearrangement.
59  */
60 
61 typedef struct {
62 	unsigned	id :16;		/* query identification number */
63 #if _BYTE_ORDER == _BIG_ENDIAN
64 			/* fields in third byte */
65 	unsigned	qr: 1;		/* response flag */
66 	unsigned	opcode: 4;	/* purpose of message */
67 	unsigned	aa: 1;		/* authoritive answer */
68 	unsigned	tc: 1;		/* truncated message */
69 	unsigned	rd: 1;		/* recursion desired */
70 			/* fields in fourth byte */
71 	unsigned	ra: 1;		/* recursion available */
72 	unsigned	unused :1;	/* unused bits (MBZ as of 4.9.3a3) */
73 	unsigned	ad: 1;		/* authentic data from named */
74 	unsigned	cd: 1;		/* checking disabled by resolver */
75 	unsigned	rcode :4;	/* response code */
76 #endif
77 #if _BYTE_ORDER == _LITTLE_ENDIAN || _BYTE_ORDER == _PDP_ENDIAN
78 			/* fields in third byte */
79 	unsigned	rd :1;		/* recursion desired */
80 	unsigned	tc :1;		/* truncated message */
81 	unsigned	aa :1;		/* authoritive answer */
82 	unsigned	opcode :4;	/* purpose of message */
83 	unsigned	qr :1;		/* response flag */
84 			/* fields in fourth byte */
85 	unsigned	rcode :4;	/* response code */
86 	unsigned	cd: 1;		/* checking disabled by resolver */
87 	unsigned	ad: 1;		/* authentic data from named */
88 	unsigned	unused :1;	/* unused bits (MBZ as of 4.9.3a3) */
89 	unsigned	ra :1;		/* recursion available */
90 #endif
91 			/* remaining bytes */
92 	unsigned	qdcount :16;	/* number of question entries */
93 	unsigned	ancount :16;	/* number of answer entries */
94 	unsigned	nscount :16;	/* number of authority entries */
95 	unsigned	arcount :16;	/* number of resource entries */
96 } HEADER;
97 
98 #define PACKETSZ	NS_PACKETSZ
99 #define MAXDNAME	NS_MAXDNAME
100 #define MAXCDNAME	NS_MAXCDNAME
101 #define MAXLABEL	NS_MAXLABEL
102 #define	HFIXEDSZ	NS_HFIXEDSZ
103 #define QFIXEDSZ	NS_QFIXEDSZ
104 #define RRFIXEDSZ	NS_RRFIXEDSZ
105 #define	INT32SZ		NS_INT32SZ
106 #define	INT16SZ		NS_INT16SZ
107 #define	INT8SZ		NS_INT8SZ
108 #define	INADDRSZ	NS_INADDRSZ
109 #define	IN6ADDRSZ	NS_IN6ADDRSZ
110 #define	INDIR_MASK	NS_CMPRSFLGS
111 #define NAMESERVER_PORT	NS_DEFAULTPORT
112 
113 #define S_ZONE		ns_s_zn
114 #define S_PREREQ	ns_s_pr
115 #define S_UPDATE	ns_s_ud
116 #define S_ADDT		ns_s_ar
117 
118 #define QUERY		ns_o_query
119 #define IQUERY		ns_o_iquery
120 #define STATUS		ns_o_status
121 #define	NS_NOTIFY_OP	ns_o_notify
122 #define	NS_UPDATE_OP	ns_o_update
123 
124 #define NOERROR		ns_r_noerror
125 #define FORMERR		ns_r_formerr
126 #define SERVFAIL	ns_r_servfail
127 #define NXDOMAIN	ns_r_nxdomain
128 #define NOTIMP		ns_r_notimpl
129 #define REFUSED		ns_r_refused
130 #define YXDOMAIN	ns_r_yxdomain
131 #define YXRRSET		ns_r_yxrrset
132 #define NXRRSET		ns_r_nxrrset
133 #define NOTAUTH		ns_r_notauth
134 #define NOTZONE		ns_r_notzone
135 /*#define BADSIG		ns_r_badsig*/
136 /*#define BADKEY		ns_r_badkey*/
137 /*#define BADTIME		ns_r_badtime*/
138 
139 
140 #define DELETE		ns_uop_delete
141 #define ADD		ns_uop_add
142 
143 #define T_A		ns_t_a
144 #define T_NS		ns_t_ns
145 #define T_MD		ns_t_md
146 #define T_MF		ns_t_mf
147 #define T_CNAME		ns_t_cname
148 #define T_SOA		ns_t_soa
149 #define T_MB		ns_t_mb
150 #define T_MG		ns_t_mg
151 #define T_MR		ns_t_mr
152 #define T_NULL		ns_t_null
153 #define T_WKS		ns_t_wks
154 #define T_PTR		ns_t_ptr
155 #define T_HINFO		ns_t_hinfo
156 #define T_MINFO		ns_t_minfo
157 #define T_MX		ns_t_mx
158 #define T_TXT		ns_t_txt
159 #define	T_RP		ns_t_rp
160 #define T_AFSDB		ns_t_afsdb
161 #define T_X25		ns_t_x25
162 #define T_ISDN		ns_t_isdn
163 #define T_RT		ns_t_rt
164 #define T_NSAP		ns_t_nsap
165 #define T_NSAP_PTR	ns_t_nsap_ptr
166 #define	T_SIG		ns_t_sig
167 #define	T_KEY		ns_t_key
168 #define	T_PX		ns_t_px
169 #define	T_GPOS		ns_t_gpos
170 #define	T_AAAA		ns_t_aaaa
171 #define	T_LOC		ns_t_loc
172 #define	T_NXT		ns_t_nxt
173 #define	T_EID		ns_t_eid
174 #define	T_NIMLOC	ns_t_nimloc
175 #define	T_SRV		ns_t_srv
176 #define T_ATMA		ns_t_atma
177 #define T_NAPTR		ns_t_naptr
178 #define T_A6		ns_t_a6
179 #define T_OPT		ns_t_opt
180 #define	T_TSIG		ns_t_tsig
181 #define	T_IXFR		ns_t_ixfr
182 #define T_AXFR		ns_t_axfr
183 #define T_MAILB		ns_t_mailb
184 #define T_MAILA		ns_t_maila
185 #define T_ANY		ns_t_any
186 
187 #define C_IN		ns_c_in
188 #define C_CHAOS		ns_c_chaos
189 #define C_HS		ns_c_hs
190 /* BIND_UPDATE */
191 #define C_NONE		ns_c_none
192 #define C_ANY		ns_c_any
193 
194 #define	GETSHORT		NS_GET16
195 #define	GETLONG			NS_GET32
196 #define	PUTSHORT		NS_PUT16
197 #define	PUTLONG			NS_PUT32
198 
199 #endif /* _ARPA_NAMESER_COMPAT_ */
200