/* 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.

 * 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

 *	From: Id: nameser_compat.h,v 8.9 1998/03/20 23:25:10 halley Exp

 * $FreeBSD: src/include/arpa/nameser_compat.h,v 1.4 2002/05/28 04:32:25 mike Exp $

 */

#ifndef _ARPA_NAMESER_COMPAT_

#define	_ARPA_NAMESER_COMPAT_

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

#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	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 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_OPT		ns_t_opt

#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_ */