1
by Nathaniel McCallum
Import upstream version 4.0.2 |
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
|
|
5 |
*
|
|
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)
|
|
9 |
* any later version.
|
|
10 |
*
|
|
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.
|
|
15 |
*
|
|
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
|
|
20 |
*
|
|
21 |
****************************************************************
|
|
22 |
*/
|
|
23 |
||
24 |
#ifdef MULTIUSER
|
|
25 |
||
26 |
/* three known bits: */
|
|
27 |
#define ACL_EXEC 0
|
|
28 |
#define ACL_WRITE 1
|
|
29 |
#define ACL_READ 2
|
|
30 |
||
31 |
#define ACL_BITS_PER_CMD 1 /* for comm.h */ |
|
32 |
#define ACL_BITS_PER_WIN 3 /* for window.h */ |
|
33 |
||
34 |
#define USER_CHUNK 8
|
|
35 |
||
36 |
#define ACLBYTE(data, w) ((data)[(w) >> 3])
|
|
37 |
#define ACLBIT(w) (0x80 >> ((w) & 7))
|
|
38 |
||
39 |
typedef unsigned char * AclBits; |
|
40 |
||
41 |
/*
|
|
42 |
* How a user joins a group.
|
|
43 |
* Here is the node to construct one list per user.
|
|
44 |
*/
|
|
45 |
struct aclusergroup |
|
46 |
{
|
|
47 |
struct acluser *u; /* the user who borrows us his rights */ |
|
48 |
struct aclusergroup *next; |
|
49 |
};
|
|
50 |
#endif /* MULTIUSER */ |
|
51 |
||
52 |
/***************
|
|
53 |
* ==> user.h
|
|
54 |
*/
|
|
55 |
||
56 |
/*
|
|
57 |
* a copy buffer
|
|
58 |
*/
|
|
59 |
struct plop |
|
60 |
{
|
|
61 |
char *buf; |
|
62 |
int len; |
|
63 |
#ifdef ENCODINGS
|
|
64 |
int enc; |
|
65 |
#endif
|
|
66 |
};
|
|
67 |
||
68 |
/*
|
|
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.
|
|
72 |
*/
|
|
73 |
typedef struct acluser |
|
74 |
{
|
|
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 */ |
|
82 |
#ifdef COPY_PASTE
|
|
83 |
struct plop u_plop; |
|
84 |
#endif
|
|
85 |
#ifdef MULTIUSER
|
|
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 */ |
|
89 |
#endif
|
|
90 |
} User; |
|
91 |
||
92 |
extern int DefaultEsc, DefaultMetaEsc; |
|
93 |