summaryrefslogtreecommitdiffstats
path: root/sandbox/src/security_level.h
blob: f51b9fe86ef48c2875b646b17be369ba62192dd7 (plain)
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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//    * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//    * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//    * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#ifndef SANDBOX_SRC_RESTRICTED_SECURITY_LEVEL_H__
#define SANDBOX_SRC_RESTRICTED_SECURITY_LEVEL_H__

namespace sandbox {

// List of all the integrity levels supported in the sandbox. This is used
// only on Windows Vista. You can't set the integrity level of the process
// in the sandbox to a level higher than yours.
enum IntegrityLevel {
  INTEGRITY_LEVEL_SYSTEM,
  INTEGRITY_LEVEL_HIGH,
  INTEGRITY_LEVEL_MEDIUM,
  INTEGRITY_LEVEL_MEDIUM_LOW,
  INTEGRITY_LEVEL_LOW,
  INTEGRITY_LEVEL_BELOW_LOW,
  INTEGRITY_LEVEL_LAST
};

// The Token level specifies a set of  security profiles designed to
// provide the bulk of the security of sandbox.
//
//  TokenLevel                 |Restricting   |Deny Only       |Privileges|
//                             |Sids          |Sids            |          |
// ----------------------------|--------------|----------------|----------|
// USER_LOCKDOWN               | Null Sid     | All            | None     |
// ----------------------------|--------------|----------------|----------|
// USER_RESTRICTED             | RESTRICTED   | All            | Traverse |
// ----------------------------|--------------|----------------|----------|
// USER_LIMITED                | Users        | All except:    | Traverse |
//                             | Everyone     | Users          |          |
//                             | RESTRICTED   | Everyone       |          |
//                             |              | Interactive    |          |
// ----------------------------|--------------|----------------|----------|
// USER_INTERACTIVE            | Users        | All except:    | Traverse |
//                             | Everyone     | Users          |          |
//                             | RESTRICTED   | Everyone       |          |
//                             | Owner        | Interactive    |          |
//                             |              | Local          |          |
//                             |              | Authent-users  |          |
//                             |              | User           |          |
// ----------------------------|--------------|----------------|----------|
// USER_NON_ADMIN              | None         | All except:    | Traverse |
//                             |              | Users          |          |
//                             |              | Everyone       |          |
//                             |              | Interactive    |          |
//                             |              | Local          |          |
//                             |              | Authent-users  |          |
//                             |              | User           |          |
// ----------------------------|--------------|----------------|----------|
// USER_RESTRICTED_SAME_ACCESS | All          | None           | All      |
// ----------------------------|--------------|----------------|----------|
// USER_UNPROTECTED            | None         | None           | All      |
// ----------------------------|--------------|----------------|----------|
//
// The above restrictions are actually a transformation that is applied to
// the existing broker process token. The resulting token that will be
// applied to the target process depends both on the token level selected
// and on the broker token itself.
//
//  The LOCKDOWN and RESTRICTED are designed to allow access to almost
//  nothing that has security associated with and they are the recommended
//  levels to run sandboxed code specially if there is a chance that the
//  broker is process might be started by a user that belongs to the Admins
//  or power users groups.
enum TokenLevel {
   USER_LOCKDOWN = 0,
   USER_RESTRICTED,
   USER_LIMITED,
   USER_INTERACTIVE,
   USER_NON_ADMIN,
   USER_RESTRICTED_SAME_ACCESS,
   USER_UNPROTECTED
};

// The Job level specifies a set of decreasing security profiles for the
// Job object that the target process will be placed into.
// This table summarizes the security associated with each level:
//
//  JobLevel        |General                            |Quota               |
//                  |restrictions                       |restrictions        |
// -----------------|---------------------------------- |--------------------|
// JOB_UNPROTECTED  | None                              | *Kill on Job close.|
// -----------------|---------------------------------- |--------------------|
// JOB_INTERACTIVE  | *Forbid system-wide changes using |                    |
//                  |  SystemParametersInfo().          | *Kill on Job close.|
//                  | *Forbid the creation/switch of    |                    |
//                  |  Desktops.                        |                    |
//                  | *Forbids calls to ExitWindows().  |                    |
// -----------------|---------------------------------- |--------------------|
// JOB_LIMITED_USER | Same as INTERACTIVE_USER plus:    | *One active process|
//                  | *Forbid changes to the display    |  limit.            |
//                  |  settings.                        | *Kill on Job close.|
// -----------------|---------------------------------- |--------------------|
// JOB_RESTRICTED   | Same as LIMITED_USER plus:        | *One active process|
//                  | * No read/write to the clipboard. |  limit.            |
//                  | * No access to User Handles that  | *Kill on Job close.|
//                  |   belong to other processes.      |                    |
//                  | * Forbid message broadcasts.      |                    |
//                  | * Forbid setting global hooks.    |                    |
//                  | * No access to the global atoms   |                    |
//                  |   table.                          |                    |
// -----------------|-----------------------------------|--------------------|
// JOB_LOCKDOWN     | Same as RESTRICTED                | *One active process|
//                  |                                   |  limit.            |
//                  |                                   | *Kill on Job close.|
//                  |                                   | *Kill on unhandled |
//                  |                                   |  exception.        |
//                  |                                   |                    |
// In the context of the above table, 'user handles' refers to the handles of
// windows, bitmaps, menus, etc. Files, treads and registry handles are kernel
// handles and are not affected by the job level settings.
enum JobLevel {
  JOB_LOCKDOWN = 0,
  JOB_RESTRICTED,
  JOB_LIMITED_USER,
  JOB_INTERACTIVE,
  JOB_UNPROTECTED
};

}  // namespace sandbox

#endif  // SANDBOX_SRC_RESTRICTED_SECURITY_LEVEL_H__