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/*	@(#)auth_des.h	2.2 88/07/29 4.0 RPCSRC; from 1.3 88/02/08 SMI */
/*	$FreeBSD: src/include/rpc/auth_des.h,v 1.3 2002/03/23 17:24:55 imp Exp $ */
/*
 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
 * unrestricted use provided that this legend is included on all tape
 * media and as a part of the software program in whole or part.  Users
 * may copy or modify Sun RPC without charge, but are not authorized
 * to license or distribute it to anyone else except as part of a product or
 * program developed by the user.
 * 
 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
 * 
 * Sun RPC is provided with no support and without any obligation on the
 * part of Sun Microsystems, Inc. to assist in its use, correction,
 * modification or enhancement.
 * 
 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
 * OR ANY PART THEREOF.
 * 
 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
 * or profits or other special, indirect and consequential damages, even if
 * Sun has been advised of the possibility of such damages.
 * 
 * Sun Microsystems, Inc.
 * 2550 Garcia Avenue
 * Mountain View, California  94043
 * 
 *	from: @(#)auth_des.h 2.2 88/07/29 4.0 RPCSRC
 *	from: @(#)auth_des.h 1.14    94/04/25 SMI
 */
 
/*
 * Copyright (c) 1986 - 1991 by Sun Microsystems, Inc.
 */
 
/*
 * auth_des.h, Protocol for DES style authentication for RPC
 */
 
#ifndef _AUTH_DES_
#define _AUTH_DES_
 
/*
 * There are two kinds of "names": fullnames and nicknames
 */
enum authdes_namekind {
	ADN_FULLNAME, 
	ADN_NICKNAME
};
 
/*
 * A fullname contains the network name of the client, 
 * a conversation key and the window
 */
struct authdes_fullname {
	char *name;		/* network name of client, up to MAXNETNAMELEN */
	des_block key;		/* conversation key */
	u_long window;		/* associated window */
};
 
 
/*
 * A credential 
 */
struct authdes_cred {
	enum authdes_namekind adc_namekind;
	struct authdes_fullname adc_fullname;
	u_long adc_nickname;
};
 
 
 
/*
 * A des authentication verifier 
 */
struct authdes_verf {
	union {
		struct timeval adv_ctime;	/* clear time */
		des_block adv_xtime;		/* crypt time */
	} adv_time_u;
	u_long adv_int_u;
};
 
/*
 * des authentication verifier: client variety
 *
 * adv_timestamp is the current time.
 * adv_winverf is the credential window + 1.
 * Both are encrypted using the conversation key.
 */
#define adv_timestamp	adv_time_u.adv_ctime
#define adv_xtimestamp	adv_time_u.adv_xtime
#define adv_winverf	adv_int_u
 
/*
 * des authentication verifier: server variety
 *
 * adv_timeverf is the client's timestamp + client's window
 * adv_nickname is the server's nickname for the client.
 * adv_timeverf is encrypted using the conversation key.
 */
#define adv_timeverf	adv_time_u.adv_ctime
#define adv_xtimeverf	adv_time_u.adv_xtime
#define adv_nickname	adv_int_u
 
/*
 * Map a des credential into a unix cred.
 *
 */
__BEGIN_DECLS
extern int authdes_getucred( struct authdes_cred *, uid_t *, gid_t *, int *, gid_t * );
__END_DECLS
 
__BEGIN_DECLS
extern bool_t	xdr_authdes_cred(XDR *, struct authdes_cred *);
extern bool_t	xdr_authdes_verf(XDR *, struct authdes_verf *);
extern int	rtime(dev_t, struct netbuf *, int, struct timeval *,
		    struct timeval *);
extern void	kgetnetname(char *);
extern enum auth_stat _svcauth_des(struct svc_req *, struct rpc_msg *);
__END_DECLS
 
#endif /* ndef _AUTH_DES_ */