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/*	$OpenBSD: ksrvtgt.c,v 1.5 1998/02/25 15:51:50 art Exp $	*/

/*
 * This source code is no longer held under any constraint of USA
 * `cryptographic laws' since it was exported legally.  The cryptographic
 * functions were removed from the code and a "Bones" distribution was
 * made.  A Commodity Jurisdiction Request #012-94 was filed with the
 * USA State Department, who handed it to the Commerce department.  The
 * code was determined to fall under General License GTDA under ECCN 5D96G,
 * and hence exportable.  The cryptographic interfaces were re-added by Eric
 * Young, and then KTH proceeded to maintain the code in the free world.
 */

/*-
 * Copyright (C) 1988 by the Massachusetts Institute of Technology
 *
 * Export of this software from the United States of America is assumed
 * to require a specific license from the United States Government.
 * It is the responsibility of any person or organization contemplating
 * export to obtain such a license before exporting.
 *
 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
 * distribute this software and its documentation for any purpose and
 * without fee is hereby granted, provided that the above copyright
 * notice appear in all copies and that both that copyright notice and
 * this permission notice appear in supporting documentation, and that
 * the name of M.I.T. not be used in advertising or publicity pertaining
 * to distribution of the software without specific, written prior
 * permission.  M.I.T. makes no representations about the suitability of
 * this software for any purpose.  It is provided "as is" without express
 * or implied warranty.
 *
 */

#include <stdio.h>
#include <string.h>
#include <sys/param.h>
#include <des.h>
#include <kerberosIV/krb.h>

const char rcsid[] =
    "$Id: ksrvtgt.c,v 1.5 1998/02/25 15:51:50 art Exp $";

main(argc,argv)
    int argc;
    char **argv;
{
    char realm[REALM_SZ + 1];
    register int code;
    char srvtab[MAXPATHLEN + 1];

    bzero(realm, sizeof(realm));
    bzero(srvtab, sizeof(srvtab));

    if (argc < 3 || argc > 5) {
	fprintf(stderr, "Usage: %s name instance [[realm] srvtab]\n",
		argv[0]);
	exit(1);
    }
    
    if (argc == 4)
	(void) strncpy(srvtab, argv[3], sizeof(srvtab) -1);
    
    if (argc == 5) {
	(void) strncpy(realm, argv[3], sizeof(realm) - 1);
	(void) strncpy(srvtab, argv[4], sizeof(srvtab) -1);
    }

    if (srvtab[0] == 0)
	(void) strcpy(srvtab, KEYFILE);

    if (realm[0] == 0)
	if (krb_get_lrealm(realm, 1) != KSUCCESS)
	    exit(1);

    code = krb_get_svc_in_tkt(argv[1], argv[2], realm,
			      "krbtgt", realm, 1, srvtab);
    if (code)
	fprintf(stderr, "%s\n", krb_err_txt[code]);
    exit(code);
}