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/* * Copyright (c) 1983 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. * * @(#)nameser.h 5.17 (Berkeley) 11/17/87 */ #import <bsd/arpa/machine/nameser.h> /* * Define constants based on rfc883 */ #define PACKETSZ 512 /* maximum packet size */ #if NeXT #define MAXDNAME 240 /* maximum domain name */ #else #define MAXDNAME 256 /* maximum domain name */ #endif #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 */ #define UPDATEA 0x9 /* add resource record */ #define UPDATED 0xa /* delete a specific resource record */ #define UPDATEDA 0xb /* delete all nemed 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 */ /* 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 at MIT */ /* 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 /* * Defines for handling compressed domain names */ #define INDIR_MASK 0xc0 /* * Structure for passing resource records around. */ struct rrec { short r_zone; /* zone number */ short r_class; /* class number */ short r_type; /* type number */ u_long r_ttl; /* time to live */ int r_size; /* size of data area */ char *r_data; /* pointer to data */ }; extern u_short _getshort(); extern u_long _getlong(); /* * Inline versions of get/put short/long. * Pointer is advanced; we assume that both arguments * are lvalues and will already be in registers. * cp MUST be u_char *. */ #define GETSHORT(s, cp) { \ (s) = *(cp)++ << 8; \ (s) |= *(cp)++; \ } #define GETLONG(l, cp) { \ (l) = *(cp)++ << 8; \ (l) |= *(cp)++; (l) <<= 8; \ (l) |= *(cp)++; (l) <<= 8; \ (l) |= *(cp)++; \ } #define PUTSHORT(s, cp) { \ *(cp)++ = (s) >> 8; \ *(cp)++ = (s); \ } /* * Warning: PUTLONG destroys its first argument. */ #define PUTLONG(l, cp) { \ (cp)[3] = l; \ (cp)[2] = (l >>= 8); \ (cp)[1] = (l >>= 8); \ (cp)[0] = l >> 8; \ (cp) += sizeof(u_long); \ }
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.