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/* Copyright (c) 1993
* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
* Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
* Copyright (c) 1987 Oliver Laumann
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program (see the file COPYING); if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
****************************************************************
* RCS_ID("$Id: acl.h,v 1.7 1993/07/30 01:24:06 jnweiger Exp $ FAU")
*/
#ifdef MULTIUSER
/* three known bits: */
#define ACL_EXEC 0
#define ACL_WRITE 1
#define ACL_READ 2
#define ACL_BITS_PER_CMD 1 /* for comm.h */
#define ACL_BITS_PER_WIN 3 /* for window.h */
#define USER_CHUNK 8
#define ACLBYTE(data, w) ((data)[(w) >> 3])
#define ACLBIT(w) (0x80 >> ((w) & 7))
typedef unsigned char * AclBits;
/*
* How a user joins a group.
* Here is the node to construct one list per user.
*/
struct usergroup
{
struct user *u; /* the user who borrows us his rights */
struct usergroup *next;
};
#endif /* MULTIUSER */
/***************
* ==> user.h
*/
/*
* A User has a list of groups, and points to other users.
* users is the User entry of the session owner (creator)
* and anchors all other users. Add/Delete users there.
*/
typedef struct user
{
struct user *u_next; /* continue the main user list */
char u_name[20+1]; /* login name how he showed up */
char *u_password; /* his password (may be NullStr). */
int u_checkpassword; /* nonzero if this u_password is valid */
int u_detachwin; /* the window where he last detached */
int u_detachotherwin; /* window that was "other" when he detached */
int u_Esc, u_MetaEsc; /* the users screen escape character */
#ifdef COPY_PASTE
char *u_copybuffer;
int u_copylen;
#endif
#ifdef MULTIUSER
int u_id; /* a uniq index in the bitfields. */
AclBits u_umask_w_bits[ACL_BITS_PER_WIN]; /* his window create umask */
struct usergroup *u_group; /* linked list of pointers to other users */
#endif
} User;
extern int DefaultEsc, DefaultMetaEsc;
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