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 #ifndef _ARPA_NAMESER_COMPAT_
30 #define	_ARPA_NAMESER_COMPAT_
31 
32 #include <endian.h>
33 
34 /*%
35  * Structure for query header.  The order of the fields is machine- and
36  * compiler-dependent, depending on the byte/bit order and the layout
37  * of bit fields.  We use bit fields only in int variables, as this
38  * is all ANSI requires.  This requires a somewhat confusing rearrangement.
39  */
40 
41 typedef struct {
42 	unsigned	id :16;		/*%< query identification number */
43 #if __BYTE_ORDER == __BIG_ENDIAN
44 			/* fields in third byte */
45 	unsigned	qr: 1;		/*%< response flag */
46 	unsigned	opcode: 4;	/*%< purpose of message */
47 	unsigned	aa: 1;		/*%< authoritive answer */
48 	unsigned	tc: 1;		/*%< truncated message */
49 	unsigned	rd: 1;		/*%< recursion desired */
50 			/* fields in fourth byte */
51 	unsigned	ra: 1;		/*%< recursion available */
52 	unsigned	unused :1;	/*%< unused bits (MBZ as of 4.9.3a3) */
53 	unsigned	ad: 1;		/*%< authentic data from named */
54 	unsigned	cd: 1;		/*%< checking disabled by resolver */
55 	unsigned	rcode :4;	/*%< response code */
56 #endif
57 #if __BYTE_ORDER == __LITTLE_ENDIAN || __BYTE_ORDER == __PDP_ENDIAN
58 			/* fields in third byte */
59 	unsigned	rd :1;		/*%< recursion desired */
60 	unsigned	tc :1;		/*%< truncated message */
61 	unsigned	aa :1;		/*%< authoritive answer */
62 	unsigned	opcode :4;	/*%< purpose of message */
63 	unsigned	qr :1;		/*%< response flag */
64 			/* fields in fourth byte */
65 	unsigned	rcode :4;	/*%< response code */
66 	unsigned	cd: 1;		/*%< checking disabled by resolver */
67 	unsigned	ad: 1;		/*%< authentic data from named */
68 	unsigned	unused :1;	/*%< unused bits (MBZ as of 4.9.3a3) */
69 	unsigned	ra :1;		/*%< recursion available */
70 #endif
71 			/* remaining bytes */
72 	unsigned	qdcount :16;	/*%< number of question entries */
73 	unsigned	ancount :16;	/*%< number of answer entries */
74 	unsigned	nscount :16;	/*%< number of authority entries */
75 	unsigned	arcount :16;	/*%< number of resource entries */
76 } HEADER;
77 
78 #define PACKETSZ	NS_PACKETSZ
79 #define MAXDNAME	NS_MAXDNAME
80 #define MAXCDNAME	NS_MAXCDNAME
81 #define MAXLABEL	NS_MAXLABEL
82 #define	HFIXEDSZ	NS_HFIXEDSZ
83 #define QFIXEDSZ	NS_QFIXEDSZ
84 #define RRFIXEDSZ	NS_RRFIXEDSZ
85 #define	INT32SZ		NS_INT32SZ
86 #define	INT16SZ		NS_INT16SZ
87 #define INT8SZ		NS_INT8SZ
88 #define	INADDRSZ	NS_INADDRSZ
89 #define	IN6ADDRSZ	NS_IN6ADDRSZ
90 #define	INDIR_MASK	NS_CMPRSFLGS
91 #define NAMESERVER_PORT	NS_DEFAULTPORT
92 
93 #define S_ZONE		ns_s_zn
94 #define S_PREREQ	ns_s_pr
95 #define S_UPDATE	ns_s_ud
96 #define S_ADDT		ns_s_ar
97 
98 #define QUERY		ns_o_query
99 #define IQUERY		ns_o_iquery
100 #define STATUS		ns_o_status
101 #define	NS_NOTIFY_OP	ns_o_notify
102 #define	NS_UPDATE_OP	ns_o_update
103 
104 #define NOERROR		ns_r_noerror
105 #define FORMERR		ns_r_formerr
106 #define SERVFAIL	ns_r_servfail
107 #define NXDOMAIN	ns_r_nxdomain
108 #define NOTIMP		ns_r_notimpl
109 #define REFUSED		ns_r_refused
110 #define YXDOMAIN	ns_r_yxdomain
111 #define YXRRSET		ns_r_yxrrset
112 #define NXRRSET		ns_r_nxrrset
113 #define NOTAUTH		ns_r_notauth
114 #define NOTZONE		ns_r_notzone
115 /*#define BADSIG		ns_r_badsig*/
116 /*#define BADKEY		ns_r_badkey*/
117 /*#define BADTIME		ns_r_badtime*/
118 
119 
120 #define DELETE		ns_uop_delete
121 #define ADD		ns_uop_add
122 
123 #define T_A ns_t_a
124 #define T_NS ns_t_ns
125 #define T_MD ns_t_md
126 #define T_MF ns_t_mf
127 #define T_CNAME ns_t_cname
128 #define T_SOA ns_t_soa
129 #define T_MB ns_t_mb
130 #define T_MG ns_t_mg
131 #define T_MR ns_t_mr
132 #define T_NULL ns_t_null
133 #define T_WKS ns_t_wks
134 #define T_PTR ns_t_ptr
135 #define T_HINFO ns_t_hinfo
136 #define T_MINFO ns_t_minfo
137 #define T_MX ns_t_mx
138 #define T_TXT ns_t_txt
139 #define T_RP ns_t_rp
140 #define T_AFSDB ns_t_afsdb
141 #define T_X25 ns_t_x25
142 #define T_ISDN ns_t_isdn
143 #define T_RT ns_t_rt
144 #define T_NSAP ns_t_nsap
145 #define T_NSAP_PTR ns_t_nsap_ptr
146 #define T_SIG ns_t_sig
147 #define T_KEY ns_t_key
148 #define T_PX ns_t_px
149 #define T_GPOS ns_t_gpos
150 #define T_AAAA ns_t_aaaa
151 #define T_LOC ns_t_loc
152 #define T_NXT ns_t_nxt
153 #define T_EID ns_t_eid
154 #define T_NIMLOC ns_t_nimloc
155 #define T_SRV ns_t_srv
156 #define T_ATMA ns_t_atma
157 #define T_NAPTR ns_t_naptr
158 #define T_KX ns_t_kx
159 #define T_CERT ns_t_cert
160 #define T_A6 ns_t_a6
161 #define T_DNAME ns_t_dname
162 #define T_SINK ns_t_sink
163 #define T_OPT ns_t_opt
164 #define T_APL ns_t_apl
165 #define T_DS ns_t_ds
166 #define T_SSHFP ns_t_sshfp
167 #define T_IPSECKEY ns_t_ipseckey
168 #define T_RRSIG ns_t_rrsig
169 #define T_NSEC ns_t_nsec
170 #define T_DNSKEY ns_t_dnskey
171 #define T_DHCID ns_t_dhcid
172 #define T_NSEC3 ns_t_nsec3
173 #define T_NSEC3PARAM ns_t_nsec3param
174 #define T_TLSA ns_t_tlsa
175 #define T_SMIMEA ns_t_smimea
176 #define T_HIP ns_t_hip
177 #define T_NINFO ns_t_ninfo
178 #define T_RKEY ns_t_rkey
179 #define T_TALINK ns_t_talink
180 #define T_CDS ns_t_cds
181 #define T_CDNSKEY ns_t_cdnskey
182 #define T_OPENPGPKEY ns_t_openpgpkey
183 #define T_CSYNC ns_t_csync
184 #define T_SPF ns_t_spf
185 #define T_UINFO ns_t_uinfo
186 #define T_UID ns_t_uid
187 #define T_GID ns_t_gid
188 #define T_UNSPEC ns_t_unspec
189 #define T_NID ns_t_nid
190 #define T_L32 ns_t_l32
191 #define T_L64 ns_t_l64
192 #define T_LP ns_t_lp
193 #define T_EUI48 ns_t_eui48
194 #define T_EUI64 ns_t_eui64
195 #define T_TKEY ns_t_tkey
196 #define T_TSIG ns_t_tsig
197 #define T_IXFR ns_t_ixfr
198 #define T_AXFR ns_t_axfr
199 #define T_MAILB ns_t_mailb
200 #define T_MAILA ns_t_maila
201 #define T_ANY ns_t_any
202 #define T_URI ns_t_uri
203 #define T_CAA ns_t_caa
204 #define T_AVC ns_t_avc
205 #define T_TA ns_t_ta
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