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/* Copyright (c) 2008, 2009
* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
* Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
* Micah Cowan (micah@cowan.name)
* Sadrul Habib Chowdhury (sadrul@users.sourceforge.net)
* Copyright (c) 1993-2002, 2003, 2005, 2006, 2007
* 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 3, 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, see
* http://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*
****************************************************************
*/
#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 aclusergroup
{
struct acluser *u; /* the user who borrows us his rights */
struct aclusergroup *next;
};
#endif /* MULTIUSER */
/***************
* ==> user.h
*/
/*
* a copy buffer
*/
struct plop
{
char *buf;
int len;
#ifdef ENCODINGS
int enc;
#endif
};
/*
* 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 acluser
{
struct acluser *u_next; /* continue the main user list */
char u_name[MAXLOGINLEN + 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
struct plop u_plop;
#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 aclusergroup *u_group; /* linked list of pointers to other users */
#endif
} User;
extern int DefaultEsc, DefaultMetaEsc;
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