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- /*
- * Copyright (c) 1983, 1989, 1993
- * 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.
- *
- * @(#)nameser.h 8.2 (Berkeley) 2/16/94
- * -
- * Portions Copyright (c) 1993 by Digital Equipment Corporation.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies, and that
- * the name of Digital Equipment Corporation not be used in advertising or
- * publicity pertaining to distribution of the document or software without
- * specific, written prior permission.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
- * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
- * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- * SOFTWARE.
- * -
- * --Copyright--
- */
-
- #ifndef _ARPA_NAMESER_H_
- #define _ARPA_NAMESER_H_
-
- /*
- * Define constants based on rfc883
- */
- #define PACKETSZ 512 /* maximum packet size */
- #define MAXDNAME 256 /* maximum domain name */
- #define MAXCDNAME 255 /* maximum compressed domain name */
- #define MAXLABEL 63 /* maximum length of domain label */
- /* Number of bytes of fixed size data in query structure */
- #define QFIXEDSZ 4
- /* number of bytes of fixed size data in resource record */
- #define RRFIXEDSZ 10
-
- /*
- * Internet nameserver port number
- */
- #define NAMESERVER_PORT 53
-
- /*
- * Currently defined opcodes
- */
- #define QUERY 0x0 /* standard query */
- #define IQUERY 0x1 /* inverse query */
- #define STATUS 0x2 /* nameserver status query */
- /*#define xxx 0x3 /* 0x3 reserved */
- /* non standard - supports ALLOW_UPDATES stuff from Mike Schwartz */
- #define UPDATEA 0x9 /* add resource record */
- #define UPDATED 0xa /* delete a specific resource record */
- #define UPDATEDA 0xb /* delete all named resource record */
- #define UPDATEM 0xc /* modify a specific resource record */
- #define UPDATEMA 0xd /* modify all named resource record */
-
- #define ZONEINIT 0xe /* initial zone transfer */
- #define ZONEREF 0xf /* incremental zone referesh */
-
- /*
- * Currently defined response codes
- */
- #define NOERROR 0 /* no error */
- #define FORMERR 1 /* format error */
- #define SERVFAIL 2 /* server failure */
- #define NXDOMAIN 3 /* non existent domain */
- #define NOTIMP 4 /* not implemented */
- #define REFUSED 5 /* query refused */
- /* non standard */
- #define NOCHANGE 0xf /* update failed to change db */
-
- /*
- * Type values for resources and queries
- */
- #define T_A 1 /* host address */
- #define T_NS 2 /* authoritative server */
- #define T_MD 3 /* mail destination */
- #define T_MF 4 /* mail forwarder */
- #define T_CNAME 5 /* connonical name */
- #define T_SOA 6 /* start of authority zone */
- #define T_MB 7 /* mailbox domain name */
- #define T_MG 8 /* mail group member */
- #define T_MR 9 /* mail rename name */
- #define T_NULL 10 /* null resource record */
- #define T_WKS 11 /* well known service */
- #define T_PTR 12 /* domain name pointer */
- #define T_HINFO 13 /* host information */
- #define T_MINFO 14 /* mailbox information */
- #define T_MX 15 /* mail routing information */
- #define T_TXT 16 /* text strings */
- #define T_RP 17 /* responsible person */
- #define T_AFSDB 18 /* AFS cell database */
- #define T_NSAP 22 /* NSAP address */
- #define T_NSAP_PTR 23 /* reverse lookup for NSAP */
- /* non standard */
- #define T_UINFO 100 /* user (finger) information */
- #define T_UID 101 /* user ID */
- #define T_GID 102 /* group ID */
- #define T_UNSPEC 103 /* Unspecified format (binary data) */
- /* Query type values which do not appear in resource records */
- #define T_AXFR 252 /* transfer zone of authority */
- #define T_MAILB 253 /* transfer mailbox records */
- #define T_MAILA 254 /* transfer mail agent records */
- #define T_ANY 255 /* wildcard match */
-
- /*
- * Values for class field
- */
-
- #define C_IN 1 /* the arpa internet */
- #define C_CHAOS 3 /* for chaos net (MIT) */
- #define C_HS 4 /* for Hesiod name server (MIT) (XXX) */
- /* Query class values which do not appear in resource records */
- #define C_ANY 255 /* wildcard match */
-
- /*
- * Status return codes for T_UNSPEC conversion routines
- */
- #define CONV_SUCCESS 0
- #define CONV_OVERFLOW -1
- #define CONV_BADFMT -2
- #define CONV_BADCKSUM -3
- #define CONV_BADBUFLEN -4
-
- #endif /* _ARPA_NAMESER_H_ */
-