/*    $NetBSD: nameser_compat.h,v 1.1.1.2 2004/11/07 01:28:27 christos Exp $    */

/* Copyright (c) 1983, 1989
 *    The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *     This product includes software developed by the University of
 *     California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 *      from nameser.h    8.1 (Berkeley) 6/2/93
 *    Id: nameser_compat.h,v 1.1.2.3.4.2 2004/07/01 04:43:41 marka Exp
 */

#ifndef _ARPA_NAMESER_COMPAT_
#define    _ARPA_NAMESER_COMPAT_

#define    __BIND        19950621    /* (DEAD) interface version stamp. */

#include <endian.h>

#ifndef BYTE_ORDER
#if (BSD >= 199103)
# include <machine/endian.h>
#else
#ifdef __linux
# include <endian.h>
#else
#define    LITTLE_ENDIAN    1234    /* least-significant byte first (vax, pc) */
#define    BIG_ENDIAN    4321    /* most-significant byte first (IBM, net) */
#define    PDP_ENDIAN    3412    /* LSB first in word, MSW first in long (pdp)*/

#if defined(vax) || defined(ns32000) || defined(sun386) || defined(i386) || \
    defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \
    defined(__alpha__) || defined(__alpha) || \
    (defined(__Lynx__) && defined(__x86__))
#define BYTE_ORDER    LITTLE_ENDIAN
#endif

#if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \
    defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \
    defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) ||\
    defined(apollo) || defined(__convex__) || defined(_CRAY) || \
    defined(__hppa) || defined(__hp9000) || \
    defined(__hp9000s300) || defined(__hp9000s700) || \
    defined(__hp3000s900) || defined(__hpux) || defined(MPE) || \
    defined (BIT_ZERO_ON_LEFT) || defined(m68k) || defined(__sparc) ||  \
    (defined(__Lynx__) && \
     (defined(__68k__) || defined(__sparc__) || defined(__powerpc__)))
#define BYTE_ORDER    BIG_ENDIAN
#endif
#endif /* __linux */
#endif /* BSD */
#endif /* BYTE_ORDER */

#if !defined(BYTE_ORDER) || \
    (BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN && \
    BYTE_ORDER != PDP_ENDIAN)
    /* you must determine what the correct bit order is for
     * your compiler - the next line is an intentional error
     * which will force your compiles to bomb until you fix
     * the above macros.
     */
  #error "Undefined or invalid BYTE_ORDER";
#endif

/*
 * Structure for query header.  The order of the fields is machine- and
 * compiler-dependent, depending on the byte/bit order and the layout
 * of bit fields.  We use bit fields only in int variables, as this
 * is all ANSI requires.  This requires a somewhat confusing rearrangement.
 */

typedef struct {
    unsigned    id :16;        /* query identification number */
#if BYTE_ORDER == BIG_ENDIAN
            /* fields in third byte */
    unsigned    qr: 1;        /* response flag */
    unsigned    opcode: 4;    /* purpose of message */
    unsigned    aa: 1;        /* authoritive answer */
    unsigned    tc: 1;        /* truncated message */
    unsigned    rd: 1;        /* recursion desired */
            /* fields in fourth byte */
    unsigned    ra: 1;        /* recursion available */
    unsigned    unused :1;    /* unused bits (MBZ as of 4.9.3a3) */
    unsigned    ad: 1;        /* authentic data from named */
    unsigned    cd: 1;        /* checking disabled by resolver */
    unsigned    rcode :4;    /* response code */
#endif
#if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN
            /* fields in third byte */
    unsigned    rd :1;        /* recursion desired */
    unsigned    tc :1;        /* truncated message */
    unsigned    aa :1;        /* authoritive answer */
    unsigned    opcode :4;    /* purpose of message */
    unsigned    qr :1;        /* response flag */
            /* fields in fourth byte */
    unsigned    rcode :4;    /* response code */
    unsigned    cd: 1;        /* checking disabled by resolver */
    unsigned    ad: 1;        /* authentic data from named */
    unsigned    unused :1;    /* unused bits (MBZ as of 4.9.3a3) */
    unsigned    ra :1;        /* recursion available */
#endif
            /* remaining bytes */
    unsigned    qdcount :16;    /* number of question entries */
    unsigned    ancount :16;    /* number of answer entries */
    unsigned    nscount :16;    /* number of authority entries */
    unsigned    arcount :16;    /* number of resource entries */
} HEADER;

#define PACKETSZ    NS_PACKETSZ
#define MAXDNAME    NS_MAXDNAME
#define MAXCDNAME    NS_MAXCDNAME
#define MAXLABEL    NS_MAXLABEL
#define    HFIXEDSZ    NS_HFIXEDSZ
#define QFIXEDSZ    NS_QFIXEDSZ
#define RRFIXEDSZ    NS_RRFIXEDSZ
#define    INT32SZ        NS_INT32SZ
#define    INT16SZ        NS_INT16SZ
#define    INT8SZ        NS_INT8SZ
#define    INADDRSZ    NS_INADDRSZ
#define    IN6ADDRSZ    NS_IN6ADDRSZ
#define    INDIR_MASK    NS_CMPRSFLGS
#define NAMESERVER_PORT    NS_DEFAULTPORT

#define S_ZONE        ns_s_zn
#define S_PREREQ    ns_s_pr
#define S_UPDATE    ns_s_ud
#define S_ADDT        ns_s_ar

#define QUERY        ns_o_query
#define IQUERY        ns_o_iquery
#define STATUS        ns_o_status
#define    NS_NOTIFY_OP    ns_o_notify
#define    NS_UPDATE_OP    ns_o_update

#define NOERROR        ns_r_noerror
#define FORMERR        ns_r_formerr
#define SERVFAIL    ns_r_servfail
#define NXDOMAIN    ns_r_nxdomain
#define NOTIMP        ns_r_notimpl
#define REFUSED        ns_r_refused
#define YXDOMAIN    ns_r_yxdomain
#define YXRRSET        ns_r_yxrrset
#define NXRRSET        ns_r_nxrrset
#define NOTAUTH        ns_r_notauth
#define NOTZONE        ns_r_notzone
/*#define BADSIG        ns_r_badsig*/
/*#define BADKEY        ns_r_badkey*/
/*#define BADTIME        ns_r_badtime*/


#define DELETE        ns_uop_delete
#define ADD        ns_uop_add

#define T_A        ns_t_a
#define T_NS        ns_t_ns
#define T_MD        ns_t_md
#define T_MF        ns_t_mf
#define T_CNAME        ns_t_cname
#define T_SOA        ns_t_soa
#define T_MB        ns_t_mb
#define T_MG        ns_t_mg
#define T_MR        ns_t_mr
#define T_NULL        ns_t_null
#define T_WKS        ns_t_wks
#define T_PTR        ns_t_ptr
#define T_HINFO        ns_t_hinfo
#define T_MINFO        ns_t_minfo
#define T_MX        ns_t_mx
#define T_TXT        ns_t_txt
#define    T_RP        ns_t_rp
#define T_AFSDB        ns_t_afsdb
#define T_X25        ns_t_x25
#define T_ISDN        ns_t_isdn
#define T_RT        ns_t_rt
#define T_NSAP        ns_t_nsap
#define T_NSAP_PTR    ns_t_nsap_ptr
#define    T_SIG        ns_t_sig
#define    T_KEY        ns_t_key
#define    T_PX        ns_t_px
#define    T_GPOS        ns_t_gpos
#define    T_AAAA        ns_t_aaaa
#define    T_LOC        ns_t_loc
#define    T_NXT        ns_t_nxt
#define    T_EID        ns_t_eid
#define    T_NIMLOC    ns_t_nimloc
#define    T_SRV        ns_t_srv
#define T_ATMA        ns_t_atma
#define T_NAPTR        ns_t_naptr
#define T_A6        ns_t_a6
#define    T_TSIG        ns_t_tsig
#define    T_IXFR        ns_t_ixfr
#define T_AXFR        ns_t_axfr
#define T_MAILB        ns_t_mailb
#define T_MAILA        ns_t_maila
#define T_ANY        ns_t_any

#define C_IN        ns_c_in
#define C_CHAOS        ns_c_chaos
#define C_HS        ns_c_hs
/* BIND_UPDATE */
#define C_NONE        ns_c_none
#define C_ANY        ns_c_any

#define    GETSHORT        NS_GET16
#define    GETLONG            NS_GET32
#define    PUTSHORT        NS_PUT16
#define    PUTLONG            NS_PUT32

#endif /* _ARPA_NAMESER_COMPAT_ */
