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/*
* Copyright 1997 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1983, 1987 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
/*
* Global defines and variables for resolver stub.
*/
#ifndef _RESOLV_H
#define _RESOLV_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <netinet/in.h>
#ifdef __cplusplus
extern "C" {
#endif
#define ADDRSORT 1 /* enable the address-sorting option */
#define MAXADDR 10 /* max # addresses to sort by */
#define MAXDNAME 256
#define MAXNS 3 /* max # name servers we'll track */
#define MAXDNSRCH 3 /* max # default domain levels to try */
#define LOCALDOMAINPARTS 2 /* min levels in name that is "local" */
#define RES_TIMEOUT 6 /* seconds between retries */
struct state {
int retrans; /* retransmition time interval */
int retry; /* number of times to retransmit */
int options; /* option flags - see below. */
int nscount; /* number of name servers */
struct sockaddr_in nsaddr_list[MAXNS]; /* address of name server */
#define nsaddr nsaddr_list[0] /* for backward compatibility */
ushort_t id; /* current packet id */
char defdname[MAXDNAME]; /* default domain */
char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */
int ascount; /* number of addresses */
struct in_addr sort_list[MAXADDR]; /* address sorting list */
};
/*
* Resolver options
*/
#define RES_INIT 0x0001 /* address initialized */
#define RES_DEBUG 0x0002 /* print debug messages */
#define RES_AAONLY 0x0004 /* authoritative answers only */
#define RES_USEVC 0x0008 /* use virtual circuit */
#define RES_PRIMARY 0x0010 /* query primary server only */
#define RES_IGNTC 0x0020 /* ignore trucation errors */
#define RES_RECURSE 0x0040 /* recursion desired */
#define RES_DEFNAMES 0x0080 /* use default domain name */
#define RES_STAYOPEN 0x0100 /* Keep TCP socket open */
#define RES_DNSRCH 0x0200 /* search up local domain tree */
#define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH)
extern struct state _res;
extern char *p_cdname(), *p_rr(), *p_type(), *p_class();
#ifdef __cplusplus
}
#endif
#endif /* _RESOLV_H */
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