1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/*
* Fake Perms VFS module. Implements passthrough operation of all VFS
* calls to disk functions, except for file permissions, which are now
* mode 0700 for the current uid/gid.
*
* Copyright (C) Tim Potter, 1999-2000
* Copyright (C) Alexander Bokovoy, 2002
* Copyright (C) Andrew Bartlett, 2002
*
* 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 of the License, 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; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_VFS
static int fake_perms_stat(vfs_handle_struct *handle, connection_struct *conn, const char *fname, SMB_STRUCT_STAT *sbuf)
{
int ret = -1;
ret = VFS_NEXT_STAT(handle, conn, fname, sbuf);
if (ret == 0) {
extern struct current_user current_user;
if (S_ISDIR(sbuf->st_mode)) {
sbuf->st_mode = S_IFDIR | S_IRWXU;
} else {
sbuf->st_mode = S_IRWXU;
}
sbuf->st_uid = current_user.uid;
sbuf->st_gid = current_user.gid;
}
return ret;
}
static int fake_perms_fstat(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_STRUCT_STAT *sbuf)
{
int ret = -1;
ret = VFS_NEXT_FSTAT(handle, fsp, fd, sbuf);
if (ret == 0) {
extern struct current_user current_user;
if (S_ISDIR(sbuf->st_mode)) {
sbuf->st_mode = S_IFDIR | S_IRWXU;
} else {
sbuf->st_mode = S_IRWXU;
}
sbuf->st_uid = current_user.uid;
sbuf->st_gid = current_user.gid;
}
return ret;
}
/* VFS operations structure */
static vfs_op_tuple fake_perms_ops[] = {
{VFS_OP(fake_perms_stat), SMB_VFS_OP_STAT, SMB_VFS_LAYER_TRANSPARENT},
{VFS_OP(fake_perms_fstat), SMB_VFS_OP_FSTAT, SMB_VFS_LAYER_TRANSPARENT},
{NULL, SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP}
};
NTSTATUS vfs_fake_perms_init(void)
{
return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "fake_perms", fake_perms_ops);
}
|
