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Diffstat (limited to 'acls.h')
| -rw-r--r-- | acls.h | 98 |
1 files changed, 98 insertions, 0 deletions
@@ -0,0 +1,98 @@ +/* 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 + * https://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; + |