/* Copyright (c) 1993-2002 * 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 * **************************************************************** */ #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[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 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;