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
82
83
84
85
86
87
|
/*
Userspace Virtual Filesystem
Copyright (C) 2015 Sebastian Herbord. All rights reserved.
This file is part of usvfs.
usvfs 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 of the License, or
(at your option) any later version.
usvfs 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 usvfs. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
namespace usvfs
{
/**
* @brief groups of hooks which may be used to implement each other, so only the first
* call should be to one should be manipulated
*/
enum class MutExHookGroup : int
{
ALL_GROUPS = 0, // An ALL_GROUPS-hook prevents all other hooks from becoming active
// BUT hooks from other groups don't prevent the ALL_GROUPS-hook from
// becoming activated
OPEN_FILE = 1,
CREATE_PROCESS = 2,
FILE_ATTRIBUTES = 3,
FIND_FILES = 4,
LOAD_LIBRARY = 5,
FULL_PATHNAME = 6,
SHELL_FILEOP = 7,
DELETE_FILE = 8,
GET_FILE_VERSION = 9,
GET_MODULE_HANDLE = 10,
SEARCH_FILES = 11,
NO_GROUP = 12,
LAST = NO_GROUP,
};
class HookCallContext
{
public:
HookCallContext();
HookCallContext(MutExHookGroup group);
~HookCallContext();
HookCallContext(const HookCallContext& reference) = delete;
HookCallContext& operator=(const HookCallContext& reference) = delete;
void restoreLastError();
void updateLastError(DWORD lastError = GetLastError());
DWORD lastError() const { return m_LastError; }
bool active() const;
private:
DWORD m_LastError;
bool m_Active;
MutExHookGroup m_Group;
};
class FunctionGroupLock
{
public:
FunctionGroupLock(MutExHookGroup group);
~FunctionGroupLock();
private:
MutExHookGroup m_Group;
bool m_Active;
};
} // namespace usvfs
|
