1 /* Copyright (c) 1993-2002
2 * Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
3 * Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
4 * Copyright (c) 1987 Oliver Laumann
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2, or (at your option)
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program (see the file COPYING); if not, write to the
18 * Free Software Foundation, Inc.,
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
21 ****************************************************************
26 /* three known bits: */
31 #define ACL_BITS_PER_CMD 1 /* for comm.h */
32 #define ACL_BITS_PER_WIN 3 /* for window.h */
36 #define ACLBYTE(data, w) ((data)[(w) >> 3])
37 #define ACLBIT(w) (0x80 >> ((w) & 7))
39 typedef unsigned char * AclBits
;
42 * How a user joins a group.
43 * Here is the node to construct one list per user.
47 struct acluser
*u
; /* the user who borrows us his rights */
48 struct aclusergroup
*next
;
50 #endif /* MULTIUSER */
69 * A User has a list of groups, and points to other users.
70 * users is the User entry of the session owner (creator)
71 * and anchors all other users. Add/Delete users there.
73 typedef struct acluser
75 struct acluser
*u_next
; /* continue the main user list */
76 char u_name
[20+1]; /* login name how he showed up */
77 char *u_password
; /* his password (may be NullStr). */
78 int u_checkpassword
; /* nonzero if this u_password is valid */
79 int u_detachwin
; /* the window where he last detached */
80 int u_detachotherwin
; /* window that was "other" when he detached */
81 int u_Esc
, u_MetaEsc
; /* the users screen escape character */
86 int u_id
; /* a uniq index in the bitfields. */
87 AclBits u_umask_w_bits
[ACL_BITS_PER_WIN
]; /* his window create umask */
88 struct aclusergroup
*u_group
; /* linked list of pointers to other users */
92 extern int DefaultEsc
, DefaultMetaEsc
;