/* 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.

 */

#ifndef _ARPA_NAMESER_COMPAT_

#define	_ARPA_NAMESER_COMPAT_

#include <endian.h>

/*%

 * 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_KX ns_t_kx

#define T_CERT ns_t_cert

#define T_A6 ns_t_a6

#define T_DNAME ns_t_dname

#define T_SINK ns_t_sink

#define T_OPT ns_t_opt

#define T_APL ns_t_apl

#define T_DS ns_t_ds

#define T_SSHFP ns_t_sshfp

#define T_IPSECKEY ns_t_ipseckey

#define T_RRSIG ns_t_rrsig

#define T_NSEC ns_t_nsec

#define T_DNSKEY ns_t_dnskey

#define T_DHCID ns_t_dhcid

#define T_NSEC3 ns_t_nsec3

#define T_NSEC3PARAM ns_t_nsec3param

#define T_TLSA ns_t_tlsa

#define T_SMIMEA ns_t_smimea

#define T_HIP ns_t_hip

#define T_NINFO ns_t_ninfo

#define T_RKEY ns_t_rkey

#define T_TALINK ns_t_talink

#define T_CDS ns_t_cds

#define T_CDNSKEY ns_t_cdnskey

#define T_OPENPGPKEY ns_t_openpgpkey

#define T_CSYNC ns_t_csync

#define T_SPF ns_t_spf

#define T_UINFO ns_t_uinfo

#define T_UID ns_t_uid

#define T_GID ns_t_gid

#define T_UNSPEC ns_t_unspec

#define T_NID ns_t_nid

#define T_L32 ns_t_l32

#define T_L64 ns_t_l64

#define T_LP ns_t_lp

#define T_EUI48 ns_t_eui48

#define T_EUI64 ns_t_eui64

#define T_TKEY ns_t_tkey

#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 T_URI ns_t_uri

#define T_CAA ns_t_caa

#define T_AVC ns_t_avc

#define T_TA ns_t_ta

#define T_DLV ns_t_dlv

#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_ */

/*! \file */