auth_des.h

操作系统SunOS 4.1.3版本的源码

/*	@(#)auth_des.h 1.1 92/07/30 SMI	*/

/*
 * auth_des.h, Protocol for DES style authentication for RPC
 *
 * Copyright (C) 1986, Sun Microsystems, Inc.
 */

#ifndef _rpc_auth_des_h
#define	_rpc_auth_des_h

/*
 * 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

#endif /*!_rpc_auth_des_h*/