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
41typedef 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

source code of include/arpa/nameser_compat.h