This is nameser.h in view mode; [Download] [Up]
/*
* 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.