usr/src/usr.sbin/named/tools/nslookup/res.h

/*
 * Copyright (c) 1985,1989 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.
 *
 *      @(#)res.h       5.10 (Berkeley) 6/1/90
 */

/*
 *******************************************************************************
 *
 *  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 char *Print_cdname();
extern char *Print_cdname2();   /* fixed width */
extern 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();