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/* $NetBSD: res.h,v 1.1 1996/02/02 15:30:25 mrg Exp $ */
/*
* ++Copyright++ 1985, 1989
* -
* Copyright (c) 1985, 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.
* 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.
* -
* 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--
*/
/*
* @(#)res.h 5.10 (Berkeley) 6/1/90
* $Id: res.h,v 8.1 1994/12/15 06:24:31 vixie Exp
*/
/*
*******************************************************************************
*
* res.h --
*
* Definitions used by modules of the name server lookup program.
*
* Copyright (c) 1985
* Andrew Cherenson
* U.C. Berkeley
* CS298-26 Fall 1985
*
*******************************************************************************
*/
#define TRUE 1
#define FALSE 0
typedef int Boolean;
/*
* Define return statuses in addtion to the ones defined in namserv.h
* let SUCCESS be a synonym for NOERROR
*
* TIME_OUT - a socket connection timed out.
* NO_INFO - the server didn't find any info about the host.
* ERROR - one of the following types of errors:
* dn_expand, res_mkquery failed
* bad command line, socket operation failed, etc.
* NONAUTH - the server didn't have the desired info but
* returned the name(s) of some servers who should.
* NO_RESPONSE - the server didn't respond.
*
*/
#define SUCCESS 0
#define TIME_OUT -1
#define NO_INFO -2
#define ERROR -3
#define NONAUTH -4
#define NO_RESPONSE -5
/*
* Define additional options for the resolver state structure.
*
* RES_DEBUG2 more verbose debug level
*/
#define RES_DEBUG2 0x80000000
/*
* Maximum length of server, host and file names.
*/
#define NAME_LEN 256
/*
* Modified struct hostent from <netdb.h>
*
* "Structures returned by network data base library. All addresses
* are supplied in host order, and returned in network order (suitable
* for use in system calls)."
*/
typedef struct {
char *name; /* official name of host */
char **domains; /* domains it serves */
char **addrList; /* list of addresses from name server */
} ServerInfo;
typedef struct {
char *name; /* official name of host */
char **aliases; /* alias list */
char **addrList; /* list of addresses from name server */
int addrType; /* host address type */
int addrLen; /* length of address */
ServerInfo **servers;
} HostInfo;
/*
* FilePtr is used for directing listings to a file.
* It is global so the Control-C handler can close it.
*/
extern FILE *filePtr;
/*
* TCP/UDP port of server.
*/
extern unsigned short nsport;
/*
* External routines:
*/
extern Boolean IsAddr();
extern int Print_query();
extern unsigned char *Print_cdname();
extern unsigned char *Print_cdname2(); /* fixed width */
extern unsigned char *Print_rr();
extern char *DecodeType(); /* descriptive version of p_type */
extern char *DecodeError();
extern char *Calloc();
extern char *Malloc();
extern void NsError();
extern void PrintServer();
extern void PrintHostInfo();
extern void ShowOptions();
extern void FreeHostInfoPtr();
extern FILE *OpenFile();
extern char *res_skip();
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