include/arpa/nameser_compat.h

   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. All advertising materials mentioning features or use of this software
  13  *    must display the following acknowledgement:
  14  *      This product includes software developed by the University of
  15  *      California, Berkeley and its contributors.
  16  * 4. Neither the name of the University nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 /*
  34  *      from nameser.h  8.1 (Berkeley) 6/2/93
  35  *      From: Id: nameser_compat.h,v 8.9 1998/03/20 23:25:10 halley Exp
  36  * $FreeBSD: src/include/arpa/nameser_compat.h,v 1.2.2.1 2001/06/15 22:08:27 ume Exp $
  37  * $DragonFly: src/include/arpa/nameser_compat.h,v 1.2 2003/06/17 04:25:58 dillon Exp $
  38  */
  39
  40 #ifndef _ARPA_NAMESER_COMPAT_
  41 #define _ARPA_NAMESER_COMPAT_
  42
  43 #define __BIND          19950621        /* (DEAD) interface version stamp. */
  44
  45 #include <machine/endian.h>
  46
  47 #if !defined(BYTE_ORDER) || \
  48     (BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN && \
  49     BYTE_ORDER != PDP_ENDIAN)
  50         /* you must determine what the correct bit order is for
  51          * your compiler - the next line is an intentional error
  52          * which will force your compiles to bomb until you fix
  53          * the above macros.
  54          */
  55   error "Undefined or invalid BYTE_ORDER";
  56 #endif
  57
  58 /*
  59  * Structure for query header.  The order of the fields is machine- and
  60  * compiler-dependent, depending on the byte/bit order and the layout
  61  * of bit fields.  We use bit fields only in int variables, as this
  62  * is all ANSI requires.  This requires a somewhat confusing rearrangement.
  63  */
  64
  65 typedef struct {
  66         unsigned        id :16;         /* query identification number */
  67 #if BYTE_ORDER == BIG_ENDIAN
  68                         /* fields in third byte */
  69         unsigned        qr: 1;          /* response flag */
  70         unsigned        opcode: 4;      /* purpose of message */
  71         unsigned        aa: 1;          /* authoritive answer */
  72         unsigned        tc: 1;          /* truncated message */
  73         unsigned        rd: 1;          /* recursion desired */
  74                         /* fields in fourth byte */
  75         unsigned        ra: 1;          /* recursion available */
  76         unsigned        unused :1;      /* unused bits (MBZ as of 4.9.3a3) */
  77         unsigned        ad: 1;          /* authentic data from named */
  78         unsigned        cd: 1;          /* checking disabled by resolver */
  79         unsigned        rcode :4;       /* response code */
  80 #endif
  81 #if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN
  82                         /* fields in third byte */
  83         unsigned        rd :1;          /* recursion desired */
  84         unsigned        tc :1;          /* truncated message */
  85         unsigned        aa :1;          /* authoritive answer */
  86         unsigned        opcode :4;      /* purpose of message */
  87         unsigned        qr :1;          /* response flag */
  88                         /* fields in fourth byte */
  89         unsigned        rcode :4;       /* response code */
  90         unsigned        cd: 1;          /* checking disabled by resolver */
  91         unsigned        ad: 1;          /* authentic data from named */
  92         unsigned        unused :1;      /* unused bits (MBZ as of 4.9.3a3) */
  93         unsigned        ra :1;          /* recursion available */
  94 #endif
  95                         /* remaining bytes */
  96         unsigned        qdcount :16;    /* number of question entries */
  97         unsigned        ancount :16;    /* number of answer entries */
  98         unsigned        nscount :16;    /* number of authority entries */
  99         unsigned        arcount :16;    /* number of resource entries */
 100 } HEADER;
 101
 102 #define PACKETSZ        NS_PACKETSZ
 103 #define MAXDNAME        NS_MAXDNAME
 104 #define MAXCDNAME       NS_MAXCDNAME
 105 #define MAXLABEL        NS_MAXLABEL
 106 #define HFIXEDSZ        NS_HFIXEDSZ
 107 #define QFIXEDSZ        NS_QFIXEDSZ
 108 #define RRFIXEDSZ       NS_RRFIXEDSZ
 109 #define INT32SZ         NS_INT32SZ
 110 #define INT16SZ         NS_INT16SZ
 111 #define INADDRSZ        NS_INADDRSZ
 112 #define IN6ADDRSZ       NS_IN6ADDRSZ
 113 #define INDIR_MASK      NS_CMPRSFLGS
 114 #define NAMESERVER_PORT NS_DEFAULTPORT
 115
 116 #define S_ZONE          ns_s_zn
 117 #define S_PREREQ        ns_s_pr
 118 #define S_UPDATE        ns_s_ud
 119 #define S_ADDT          ns_s_ar
 120
 121 #define QUERY           ns_o_query
 122 #define IQUERY          ns_o_iquery
 123 #define STATUS          ns_o_status
 124 #define NS_NOTIFY_OP    ns_o_notify
 125 #define NS_UPDATE_OP    ns_o_update
 126
 127 #define NOERROR         ns_r_noerror
 128 #define FORMERR         ns_r_formerr
 129 #define SERVFAIL        ns_r_servfail
 130 #define NXDOMAIN        ns_r_nxdomain
 131 #define NOTIMP          ns_r_notimpl
 132 #define REFUSED         ns_r_refused
 133 #define YXDOMAIN        ns_r_yxdomain
 134 #define YXRRSET         ns_r_yxrrset
 135 #define NXRRSET         ns_r_nxrrset
 136 #define NOTAUTH         ns_r_notauth
 137 #define NOTZONE         ns_r_notzone
 138
 139 #define DELETE          ns_uop_delete
 140 #define ADD             ns_uop_add
 141
 142 #define T_A             ns_t_a
 143 #define T_NS            ns_t_ns
 144 #define T_MD            ns_t_md
 145 #define T_MF            ns_t_mf
 146 #define T_CNAME         ns_t_cname
 147 #define T_SOA           ns_t_soa
 148 #define T_MB            ns_t_mb
 149 #define T_MG            ns_t_mg
 150 #define T_MR            ns_t_mr
 151 #define T_NULL          ns_t_null
 152 #define T_WKS           ns_t_wks
 153 #define T_PTR           ns_t_ptr
 154 #define T_HINFO         ns_t_hinfo
 155 #define T_MINFO         ns_t_minfo
 156 #define T_MX            ns_t_mx
 157 #define T_TXT           ns_t_txt
 158 #define T_RP            ns_t_rp
 159 #define T_AFSDB         ns_t_afsdb
 160 #define T_X25           ns_t_x25
 161 #define T_ISDN          ns_t_isdn
 162 #define T_RT            ns_t_rt
 163 #define T_NSAP          ns_t_nsap
 164 #define T_NSAP_PTR      ns_t_nsap_ptr
 165 #define T_SIG           ns_t_sig
 166 #define T_KEY           ns_t_key
 167 #define T_PX            ns_t_px
 168 #define T_GPOS          ns_t_gpos
 169 #define T_AAAA          ns_t_aaaa
 170 #define T_LOC           ns_t_loc
 171 #define T_NXT           ns_t_nxt
 172 #define T_EID           ns_t_eid
 173 #define T_NIMLOC        ns_t_nimloc
 174 #define T_SRV           ns_t_srv
 175 #define T_ATMA          ns_t_atma
 176 #define T_NAPTR         ns_t_naptr
 177 #define T_OPT           ns_t_opt
 178 #define T_IXFR          ns_t_ixfr
 179 #define T_AXFR          ns_t_axfr
 180 #define T_MAILB         ns_t_mailb
 181 #define T_MAILA         ns_t_maila
 182 #define T_ANY           ns_t_any
 183
 184 #define C_IN            ns_c_in
 185 #define C_CHAOS         ns_c_chaos
 186 #define C_HS            ns_c_hs
 187 /* BIND_UPDATE */
 188 #define C_NONE          ns_c_none
 189 #define C_ANY           ns_c_any
 190
 191 #define GETSHORT                NS_GET16
 192 #define GETLONG                 NS_GET32
 193 #define PUTSHORT                NS_PUT16
 194 #define PUTLONG                 NS_PUT32
 195
 196 #endif /* _ARPA_NAMESER_COMPAT_ */