1 /*	$NetBSD: nameser_compat.h,v 1.1.1.3 2014/07/12 11:57:56 spz Exp $	*/
2 /* Copyright (c) 1983, 1989
3  *    The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 /*
31  *      from nameser.h	8.1 (Berkeley) 6/2/93
32  *	Id: nameser_compat.h,v 1.2 2000/01/27 23:28:08 mellon Exp
33  */
34 
35 #ifndef _ARPA_NAMESER_COMPAT_
36 #define	_ARPA_NAMESER_COMPAT_
37 
38 /*
39  * Structure for query header.  The order of the fields is machine- and
40  * compiler-dependent, depending on the byte/bit order and the layout
41  * of bit fields.  We use bit fields only in int variables, as this
42  * is all ANSI requires.  This requires a somewhat confusing rearrangement.
43  */
44 
45 typedef struct {
46 	unsigned	id :16;		/* query identification number */
47 #if BYTE_ORDER == BIG_ENDIAN
48 			/* fields in third byte */
49 	unsigned	qr: 1;		/* response flag */
50 	unsigned	opcode: 4;	/* purpose of message */
51 	unsigned	aa: 1;		/* authoritive answer */
52 	unsigned	tc: 1;		/* truncated message */
53 	unsigned	rd: 1;		/* recursion desired */
54 			/* fields in fourth byte */
55 	unsigned	ra: 1;		/* recursion available */
56 	unsigned	unused :1;	/* unused bits (MBZ as of 4.9.3a3) */
57 	unsigned	ad: 1;		/* authentic data from named */
58 	unsigned	cd: 1;		/* checking disabled by resolver */
59 	unsigned	rcode :4;	/* response code */
60 #endif
61 #if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN
62 			/* fields in third byte */
63 	unsigned	rd :1;		/* recursion desired */
64 	unsigned	tc :1;		/* truncated message */
65 	unsigned	aa :1;		/* authoritive answer */
66 	unsigned	opcode :4;	/* purpose of message */
67 	unsigned	qr :1;		/* response flag */
68 			/* fields in fourth byte */
69 	unsigned	rcode :4;	/* response code */
70 	unsigned	cd: 1;		/* checking disabled by resolver */
71 	unsigned	ad: 1;		/* authentic data from named */
72 	unsigned	unused :1;	/* unused bits (MBZ as of 4.9.3a3) */
73 	unsigned	ra :1;		/* recursion available */
74 #endif
75 			/* remaining bytes */
76 	unsigned	qdcount :16;	/* number of question entries */
77 	unsigned	ancount :16;	/* number of answer entries */
78 	unsigned	nscount :16;	/* number of authority entries */
79 	unsigned	arcount :16;	/* number of resource entries */
80 } HEADER;
81 
82 #define PACKETSZ	NS_PACKETSZ
83 #define MAXDNAME	NS_MAXDNAME
84 #define MAXCDNAME	NS_MAXCDNAME
85 #define MAXLABEL	NS_MAXLABEL
86 #define	HFIXEDSZ	NS_HFIXEDSZ
87 #define QFIXEDSZ	NS_QFIXEDSZ
88 #define RRFIXEDSZ	NS_RRFIXEDSZ
89 #define	INT32SZ		NS_INT32SZ
90 #define	INT16SZ		NS_INT16SZ
91 #define	INADDRSZ	NS_INADDRSZ
92 #define	IN6ADDRSZ	NS_IN6ADDRSZ
93 #define	INDIR_MASK	NS_CMPRSFLGS
94 #define NAMESERVER_PORT	NS_DEFAULTPORT
95 
96 #define S_ZONE		ns_s_zn
97 #define S_PREREQ	ns_s_pr
98 #define S_UPDATE	ns_s_ud
99 #define S_ADDT		ns_s_ar
100 
101 #define QUERY		ns_o_query
102 #define IQUERY		ns_o_iquery
103 #define STATUS		ns_o_status
104 #define	NS_NOTIFY_OP	ns_o_notify
105 #define	NS_UPDATE_OP	ns_o_update
106 
107 #define NOERROR		ns_r_noerror
108 #define FORMERR		ns_r_formerr
109 #define SERVFAIL	ns_r_servfail
110 #define NXDOMAIN	ns_r_nxdomain
111 #define NOTIMP		ns_r_notimpl
112 #define REFUSED		ns_r_refused
113 #define YXDOMAIN	ns_r_yxdomain
114 #define YXRRSET		ns_r_yxrrset
115 #define NXRRSET		ns_r_nxrrset
116 #define NOTAUTH		ns_r_notauth
117 #define NOTZONE		ns_r_notzone
118 /*#define BADSIG		ns_r_badsig*/
119 /*#define BADKEY		ns_r_badkey*/
120 /*#define BADTIME		ns_r_badtime*/
121 
122 
123 #define DELETE		ns_uop_delete
124 #define ADD		ns_uop_add
125 
126 #define T_A		ns_t_a
127 #define T_NS		ns_t_ns
128 #define T_MD		ns_t_md
129 #define T_MF		ns_t_mf
130 #define T_CNAME		ns_t_cname
131 #define T_SOA		ns_t_soa
132 #define T_MB		ns_t_mb
133 #define T_MG		ns_t_mg
134 #define T_MR		ns_t_mr
135 #define T_NULL		ns_t_null
136 #define T_WKS		ns_t_wks
137 #define T_PTR		ns_t_ptr
138 #define T_HINFO		ns_t_hinfo
139 #define T_MINFO		ns_t_minfo
140 #define T_MX		ns_t_mx
141 #define T_TXT		ns_t_txt
142 #define	T_RP		ns_t_rp
143 #define T_AFSDB		ns_t_afsdb
144 #define T_X25		ns_t_x25
145 #define T_ISDN		ns_t_isdn
146 #define T_RT		ns_t_rt
147 #define T_NSAP		ns_t_nsap
148 #define T_NSAP_PTR	ns_t_nsap_ptr
149 #define	T_SIG		ns_t_sig
150 #define	T_KEY		ns_t_key
151 #define	T_PX		ns_t_px
152 #define	T_GPOS		ns_t_gpos
153 #define	T_AAAA		ns_t_aaaa
154 #define	T_LOC		ns_t_loc
155 #define	T_NXT		ns_t_nxt
156 #define	T_EID		ns_t_eid
157 #define	T_NIMLOC	ns_t_nimloc
158 #define	T_SRV		ns_t_srv
159 #define T_ATMA		ns_t_atma
160 #define T_NAPTR		ns_t_naptr
161 #define	T_TSIG		ns_t_tsig
162 #define	T_IXFR		ns_t_ixfr
163 #define T_AXFR		ns_t_axfr
164 #define T_MAILB		ns_t_mailb
165 #define T_MAILA		ns_t_maila
166 #define T_ANY		ns_t_any
167 
168 #define C_IN		ns_c_in
169 #define C_CHAOS		ns_c_chaos
170 #define C_HS		ns_c_hs
171 /* BIND_UPDATE */
172 #define C_NONE		ns_c_none
173 #define C_ANY		ns_c_any
174 
175 #define	GETSHORT		NS_GET16
176 #define	GETLONG			NS_GET32
177 #define	PUTSHORT		NS_PUT16
178 #define	PUTLONG			NS_PUT32
179 
180 #endif /* _ARPA_NAMESER_COMPAT_ */
181