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Diffstat (limited to 'acls.h')
| -rw-r--r-- | acls.h | 89 |
1 files changed, 89 insertions, 0 deletions
@@ -0,0 +1,89 @@ +/* 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; + +/* a bitfield for windows and one for commands */ +typedef struct +{ + char name[20 + 1]; + AclBits wins, cmds; +} AclGroup; + +/* + * An AclGroupList is a chaind list of pointers to AclGroups. + * Each user has such a list to reference groups he is in. + * The aclgrouproot anchors all AclGroups. Delete and create + * groups there. + */ +typedef struct grouplist +{ + AclGroup *group; + struct grouplist *next; +} AclGroupList; + +#endif + +/*************** + * ==> 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; + char u_name[20+1]; /* login name how he showed up */ + char u_password[20+1]; /* his password (may be zero length). */ + int u_detachwin; /* the window where he last detached */ + int u_Esc, u_MetaEsc; /* the users screen escape character */ +#ifdef COPY_PASTE + char *u_copybuffer; + int u_copylen; +#endif +#ifdef MULTIUSER + int id; /* a uniq index in the bitfields. */ +#endif +} User; + +extern int DefaultEsc, DefaultMetaEsc; + |