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  * 4. 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  *	$BINDId: nameser_compat.h,v 8.11 1999/01/02 08:00:58 vixie Exp $
32  */
33 
34 #ifndef _ARPA_NAMESER_COMPAT_
35 #define	_ARPA_NAMESER_COMPAT_
36 
37 #define	__BIND		19950621	/* (DEAD) interface version stamp. */
38 
39 #include <endian.h>
40 
41 /*
42  * Structure for query header.  The order of the fields is machine- and
43  * compiler-dependent, depending on the byte/bit order and the layout
44  * of bit fields.  We use bit fields only in int variables, as this
45  * is all ANSI requires.  This requires a somewhat confusing rearrangement.
46  */
47 
48 typedef struct {
49 	unsigned	id :16;		/* query identification number */
50 #if __BYTE_ORDER == __BIG_ENDIAN
51 			/* fields in third byte */
52 	unsigned	qr: 1;		/* response flag */
53 	unsigned	opcode: 4;	/* purpose of message */
54 	unsigned	aa: 1;		/* authoritive answer */
55 	unsigned	tc: 1;		/* truncated message */
56 	unsigned	rd: 1;		/* recursion desired */
57 			/* fields in fourth byte */
58 	unsigned	ra: 1;		/* recursion available */
59 	unsigned	unused :1;	/* unused bits (MBZ as of 4.9.3a3) */
60 	unsigned	ad: 1;		/* authentic data from named */
61 	unsigned	cd: 1;		/* checking disabled by resolver */
62 	unsigned	rcode :4;	/* response code */
63 #endif
64 #if __BYTE_ORDER == __LITTLE_ENDIAN || __BYTE_ORDER == __PDP_ENDIAN
65 			/* fields in third byte */
66 	unsigned	rd :1;		/* recursion desired */
67 	unsigned	tc :1;		/* truncated message */
68 	unsigned	aa :1;		/* authoritive answer */
69 	unsigned	opcode :4;	/* purpose of message */
70 	unsigned	qr :1;		/* response flag */
71 			/* fields in fourth byte */
72 	unsigned	rcode :4;	/* response code */
73 	unsigned	cd: 1;		/* checking disabled by resolver */
74 	unsigned	ad: 1;		/* authentic data from named */
75 	unsigned	unused :1;	/* unused bits (MBZ as of 4.9.3a3) */
76 	unsigned	ra :1;		/* recursion available */
77 #endif
78 			/* remaining bytes */
79 	unsigned	qdcount :16;	/* number of question entries */
80 	unsigned	ancount :16;	/* number of answer entries */
81 	unsigned	nscount :16;	/* number of authority entries */
82 	unsigned	arcount :16;	/* number of resource entries */
83 } HEADER;
84 
85 #define PACKETSZ	NS_PACKETSZ
86 #define MAXDNAME	NS_MAXDNAME
87 #define MAXCDNAME	NS_MAXCDNAME
88 #define MAXLABEL	NS_MAXLABEL
89 #define	HFIXEDSZ	NS_HFIXEDSZ
90 #define QFIXEDSZ	NS_QFIXEDSZ
91 #define RRFIXEDSZ	NS_RRFIXEDSZ
92 #define	INT32SZ		NS_INT32SZ
93 #define	INT16SZ		NS_INT16SZ
94 #define	INADDRSZ	NS_INADDRSZ
95 #define	IN6ADDRSZ	NS_IN6ADDRSZ
96 #define	INDIR_MASK	NS_CMPRSFLGS
97 #define NAMESERVER_PORT	NS_DEFAULTPORT
98 
99 #define S_ZONE		ns_s_zn
100 #define S_PREREQ	ns_s_pr
101 #define S_UPDATE	ns_s_ud
102 #define S_ADDT		ns_s_ar
103 
104 #define QUERY		ns_o_query
105 #define IQUERY		ns_o_iquery
106 #define STATUS		ns_o_status
107 #define	NS_NOTIFY_OP	ns_o_notify
108 #define	NS_UPDATE_OP	ns_o_update
109 
110 #define NOERROR		ns_r_noerror
111 #define FORMERR		ns_r_formerr
112 #define SERVFAIL	ns_r_servfail
113 #define NXDOMAIN	ns_r_nxdomain
114 #define NOTIMP		ns_r_notimpl
115 #define REFUSED		ns_r_refused
116 #define YXDOMAIN	ns_r_yxdomain
117 #define YXRRSET		ns_r_yxrrset
118 #define NXRRSET		ns_r_nxrrset
119 #define NOTAUTH		ns_r_notauth
120 #define NOTZONE		ns_r_notzone
121 /*#define BADSIG		ns_r_badsig*/
122 /*#define BADKEY		ns_r_badkey*/
123 /*#define BADTIME		ns_r_badtime*/
124 
125 
126 #define DELETE		ns_uop_delete
127 #define ADD		ns_uop_add
128 
129 #define T_A		ns_t_a
130 #define T_NS		ns_t_ns
131 #define T_MD		ns_t_md
132 #define T_MF		ns_t_mf
133 #define T_CNAME		ns_t_cname
134 #define T_SOA		ns_t_soa
135 #define T_MB		ns_t_mb
136 #define T_MG		ns_t_mg
137 #define T_MR		ns_t_mr
138 #define T_NULL		ns_t_null
139 #define T_WKS		ns_t_wks
140 #define T_PTR		ns_t_ptr
141 #define T_HINFO		ns_t_hinfo
142 #define T_MINFO		ns_t_minfo
143 #define T_MX		ns_t_mx
144 #define T_TXT		ns_t_txt
145 #define	T_RP		ns_t_rp
146 #define T_AFSDB		ns_t_afsdb
147 #define T_X25		ns_t_x25
148 #define T_ISDN		ns_t_isdn
149 #define T_RT		ns_t_rt
150 #define T_NSAP		ns_t_nsap
151 #define T_NSAP_PTR	ns_t_nsap_ptr
152 #define	T_SIG		ns_t_sig
153 #define	T_KEY		ns_t_key
154 #define	T_PX		ns_t_px
155 #define	T_GPOS		ns_t_gpos
156 #define	T_AAAA		ns_t_aaaa
157 #define	T_LOC		ns_t_loc
158 #define	T_NXT		ns_t_nxt
159 #define	T_EID		ns_t_eid
160 #define	T_NIMLOC	ns_t_nimloc
161 #define	T_SRV		ns_t_srv
162 #define T_ATMA		ns_t_atma
163 #define T_NAPTR		ns_t_naptr
164 #define	T_TSIG		ns_t_tsig
165 #define	T_IXFR		ns_t_ixfr
166 #define T_AXFR		ns_t_axfr
167 #define T_MAILB		ns_t_mailb
168 #define T_MAILA		ns_t_maila
169 #define T_ANY		ns_t_any
170 
171 #define C_IN		ns_c_in
172 #define C_CHAOS		ns_c_chaos
173 #define C_HS		ns_c_hs
174 /* BIND_UPDATE */
175 #define C_NONE		ns_c_none
176 #define C_ANY		ns_c_any
177 
178 #define	GETSHORT		NS_GET16
179 #define	GETLONG			NS_GET32
180 #define	PUTSHORT		NS_PUT16
181 #define	PUTLONG			NS_PUT32
182 
183 #endif /* _ARPA_NAMESER_COMPAT_ */
184