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  *      $Id: nameser_compat.h,v 1.1.2.1 2001/11/02 20:12:58 gson Exp $
  36  */
  37
  38 #ifndef _ARPA_NAMESER_COMPAT_
  39 #define _ARPA_NAMESER_COMPAT_
  40
  41 #define __BIND          19950621        /* (DEAD) interface version stamp. */
  42
  43 #ifndef BYTE_ORDER
  44 #if (BSD >= 199103)
  45 # include <machine/endian.h>
  46 #else
  47 #ifdef linux
  48 # include <endian.h>
  49 #else
  50 #define LITTLE_ENDIAN   1234    /* least-significant byte first (vax, pc) */
  51 #define BIG_ENDIAN      4321    /* most-significant byte first (IBM, net) */
  52 #define PDP_ENDIAN      3412    /* LSB first in word, MSW first in long (pdp)*/
  53
  54 #if defined(vax) || defined(ns32000) || defined(sun386) || defined(i386) || \
  55     defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \
  56     defined(__alpha__) || defined(__alpha) || \
  57     (defined(__Lynx__) && defined(__x86__))
  58 #define BYTE_ORDER      LITTLE_ENDIAN
  59 #endif
  60
  61 #if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \
  62     defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \
  63     defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) ||\
  64     defined(apollo) || defined(__convex__) || defined(_CRAY) || \
  65     defined(__hppa) || defined(__hp9000) || \
  66     defined(__hp9000s300) || defined(__hp9000s700) || \
  67     defined(__hp3000s900) || defined(MPE) || \
  68     defined (BIT_ZERO_ON_LEFT) || defined(m68k) || \
  69     (defined(__Lynx__) && \
  70      (defined(__68k__) || defined(__sparc__) || defined(__powerpc__)))
  71 #define BYTE_ORDER      BIG_ENDIAN
  72 #endif
  73 #endif /* linux */
  74 #endif /* BSD */
  75 #endif /* BYTE_ORDER */
  76
  77 #if !defined(BYTE_ORDER) || \
  78     (BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN && \
  79     BYTE_ORDER != PDP_ENDIAN)
  80         /* you must determine what the correct bit order is for
  81          * your compiler - the next line is an intentional error
  82          * which will force your compiles to bomb until you fix
  83          * the above macros.
  84          */
  85   error "Undefined or invalid BYTE_ORDER";
  86 #endif
  87
  88 /*
  89  * Structure for query header.  The order of the fields is machine- and
  90  * compiler-dependent, depending on the byte/bit order and the layout
  91  * of bit fields.  We use bit fields only in int variables, as this
  92  * is all ANSI requires.  This requires a somewhat confusing rearrangement.
  93  */
  94
  95 typedef struct {
  96         unsigned        id :16;         /* query identification number */
  97 #if BYTE_ORDER == BIG_ENDIAN
  98                         /* fields in third byte */
  99         unsigned        qr: 1;          /* response flag */
 100         unsigned        opcode: 4;      /* purpose of message */
 101         unsigned        aa: 1;          /* authoritive answer */
 102         unsigned        tc: 1;          /* truncated message */
 103         unsigned        rd: 1;          /* recursion desired */
 104                         /* fields in fourth byte */
 105         unsigned        ra: 1;          /* recursion available */
 106         unsigned        unused :1;      /* unused bits (MBZ as of 4.9.3a3) */
 107         unsigned        ad: 1;          /* authentic data from named */
 108         unsigned        cd: 1;          /* checking disabled by resolver */
 109         unsigned        rcode :4;       /* response code */
 110 #endif
 111 #if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN
 112                         /* fields in third byte */
 113         unsigned        rd :1;          /* recursion desired */
 114         unsigned        tc :1;          /* truncated message */
 115         unsigned        aa :1;          /* authoritive answer */
 116         unsigned        opcode :4;      /* purpose of message */
 117         unsigned        qr :1;          /* response flag */
 118                         /* fields in fourth byte */
 119         unsigned        rcode :4;       /* response code */
 120         unsigned        cd: 1;          /* checking disabled by resolver */
 121         unsigned        ad: 1;          /* authentic data from named */
 122         unsigned        unused :1;      /* unused bits (MBZ as of 4.9.3a3) */
 123         unsigned        ra :1;          /* recursion available */
 124 #endif
 125                         /* remaining bytes */
 126         unsigned        qdcount :16;    /* number of question entries */
 127         unsigned        ancount :16;    /* number of answer entries */
 128         unsigned        nscount :16;    /* number of authority entries */
 129         unsigned        arcount :16;    /* number of resource entries */
 130 } HEADER;
 131
 132 #define PACKETSZ        NS_PACKETSZ
 133 #define MAXDNAME        NS_MAXDNAME
 134 #define MAXCDNAME       NS_MAXCDNAME
 135 #define MAXLABEL        NS_MAXLABEL
 136 #define HFIXEDSZ        NS_HFIXEDSZ
 137 #define QFIXEDSZ        NS_QFIXEDSZ
 138 #define RRFIXEDSZ       NS_RRFIXEDSZ
 139 #define INT32SZ         NS_INT32SZ
 140 #define INT16SZ         NS_INT16SZ
 141 #define INADDRSZ        NS_INADDRSZ
 142 #define IN6ADDRSZ       NS_IN6ADDRSZ
 143 #define INDIR_MASK      NS_CMPRSFLGS
 144 #define NAMESERVER_PORT NS_DEFAULTPORT
 145
 146 #define S_ZONE          ns_s_zn
 147 #define S_PREREQ        ns_s_pr
 148 #define S_UPDATE        ns_s_ud
 149 #define S_ADDT          ns_s_ar
 150
 151 #define QUERY           ns_o_query
 152 #define IQUERY          ns_o_iquery
 153 #define STATUS          ns_o_status
 154 #define NS_NOTIFY_OP    ns_o_notify
 155 #define NS_UPDATE_OP    ns_o_update
 156
 157 #define NOERROR         ns_r_noerror
 158 #define FORMERR         ns_r_formerr
 159 #define SERVFAIL        ns_r_servfail
 160 #define NXDOMAIN        ns_r_nxdomain
 161 #define NOTIMP          ns_r_notimpl
 162 #define REFUSED         ns_r_refused
 163 #define YXDOMAIN        ns_r_yxdomain
 164 #define YXRRSET         ns_r_yxrrset
 165 #define NXRRSET         ns_r_nxrrset
 166 #define NOTAUTH         ns_r_notauth
 167 #define NOTZONE         ns_r_notzone
 168 /*#define BADSIG                ns_r_badsig*/
 169 /*#define BADKEY                ns_r_badkey*/
 170 /*#define BADTIME               ns_r_badtime*/
 171
 172
 173 #define DELETE          ns_uop_delete
 174 #define ADD             ns_uop_add
 175
 176 #define T_A             ns_t_a
 177 #define T_NS            ns_t_ns
 178 #define T_MD            ns_t_md
 179 #define T_MF            ns_t_mf
 180 #define T_CNAME         ns_t_cname
 181 #define T_SOA           ns_t_soa
 182 #define T_MB            ns_t_mb
 183 #define T_MG            ns_t_mg
 184 #define T_MR            ns_t_mr
 185 #define T_NULL          ns_t_null
 186 #define T_WKS           ns_t_wks
 187 #define T_PTR           ns_t_ptr
 188 #define T_HINFO         ns_t_hinfo
 189 #define T_MINFO         ns_t_minfo
 190 #define T_MX            ns_t_mx
 191 #define T_TXT           ns_t_txt
 192 #define T_RP            ns_t_rp
 193 #define T_AFSDB         ns_t_afsdb
 194 #define T_X25           ns_t_x25
 195 #define T_ISDN          ns_t_isdn
 196 #define T_RT            ns_t_rt
 197 #define T_NSAP          ns_t_nsap
 198 #define T_NSAP_PTR      ns_t_nsap_ptr
 199 #define T_SIG           ns_t_sig
 200 #define T_KEY           ns_t_key
 201 #define T_PX            ns_t_px
 202 #define T_GPOS          ns_t_gpos
 203 #define T_AAAA          ns_t_aaaa
 204 #define T_LOC           ns_t_loc
 205 #define T_NXT           ns_t_nxt
 206 #define T_EID           ns_t_eid
 207 #define T_NIMLOC        ns_t_nimloc
 208 #define T_SRV           ns_t_srv
 209 #define T_ATMA          ns_t_atma
 210 #define T_NAPTR         ns_t_naptr
 211 #define T_A6            ns_t_a6
 212 #define T_TSIG          ns_t_tsig
 213 #define T_IXFR          ns_t_ixfr
 214 #define T_AXFR          ns_t_axfr
 215 #define T_MAILB         ns_t_mailb
 216 #define T_MAILA         ns_t_maila
 217 #define T_ANY           ns_t_any
 218
 219 #define C_IN            ns_c_in
 220 #define C_CHAOS         ns_c_chaos
 221 #define C_HS            ns_c_hs
 222 /* BIND_UPDATE */
 223 #define C_NONE          ns_c_none
 224 #define C_ANY           ns_c_any
 225
 226 #define GETSHORT                NS_GET16
 227 #define GETLONG                 NS_GET32
 228 #define PUTSHORT                NS_PUT16
 229 #define PUTLONG                 NS_PUT32
 230
 231 #endif /* _ARPA_NAMESER_COMPAT_ */