auth_unix.h

<B>Digital的Unix操作系统VAX 4.2源码</B>

/*	@(#)auth_unix.h	4.2	(ULTRIX)	2/28/91	*/

/************************************************************************
 *									*
 *			Copyright (c) 1986 by				*
 *		Digital Equipment Corporation, Maynard, MA		*
 *			All rights reserved.				*
 *									*
 *   This software is furnished under a license and may be used and	*
 *   copied  only  in accordance with the terms of such license and	*
 *   with the  inclusion  of  the  above  copyright  notice.   This	*
 *   software  or  any  other copies thereof may not be provided or	*
 *   otherwise made available to any other person.  No title to and	*
 *   ownership of the software is hereby transferred.			*
 *									*
 *   This software is  derived  from  software  received  from  the	*
 *   University    of   California,   Berkeley,   and   from   Bell	*
 *   Laboratories.  Use, duplication, or disclosure is  subject  to	*
 *   restrictions  under  license  agreements  with  University  of	*
 *   California and with AT&T.						*
 *									*
 *   The information in this software is subject to change  without	*
 *   notice  and should not be construed as a commitment by Digital	*
 *   Equipment Corporation.						*
 *									*
 *   Digital assumes no responsibility for the use  or  reliability	*
 *   of its software on equipment which is not supplied by Digital.	*
 *									*
 ************************************************************************/

/*
 *	Portions of this software have been licensed to 
 *	Digital Equipment Company, Maynard, MA.
 *	Copyright (c) 1986 Sun Microsystems, Inc.  ALL RIGHTS RESERVED.
 */

/*
 * auth_unix.h, Protocol for UNIX style authentication parameters for RPC
 *
 */

/*
 * The system is very weak.  The client uses no encryption for  it
 * credentials and only sends null verifiers.  The server sends backs
 * null verifiers or optionally a verifier that suggests a new short hand
 * for the credentials.
 */

/* The machine name is part of a credential; it may not exceed 255 bytes */
#define MAX_MACHINE_NAME 255

/* gids compose part of a credential; there may not be more than 10 of them */
#define NGRPS 32

/*
 * Unix style credentials.
 */
struct authunix_parms {
	u_long	 aup_time;
	char	*aup_machname;
	int	 aup_uid;
	int	 aup_gid;
	u_int	 aup_len;
	int	*aup_gids;
};

extern bool_t xdr_authunix_parms();

/* 
 * If a response verifier has flavor AUTH_SHORT, 
 * then the body of the response verifier encapsulates the following structure;
 * again it is serialized in the obvious fashion.
 */
struct short_hand_verf {
	struct opaque_auth new_cred;
};