security/sandbox/win/src/process_mitigations.h

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TOR_BUG_9701
changeset 15
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef SANDBOX_SRC_WIN_PROCESS_MITIGATIONS_H_
6 #define SANDBOX_SRC_WIN_PROCESS_MITIGATIONS_H_
7
8 #include <windows.h>
9
10 #include "base/basictypes.h"
11 #include "sandbox/win/src/security_level.h"
12
13 namespace sandbox {
14
15 // Sets the mitigation policy for the current process, ignoring any settings
16 // that are invalid for the current version of Windows.
17 bool ApplyProcessMitigationsToCurrentProcess(MitigationFlags flags);
18
19 // Returns the flags that must be enforced after startup for the current OS
20 // version.
21 MitigationFlags FilterPostStartupProcessMitigations(MitigationFlags flags);
22
23 // Converts sandbox flags to the PROC_THREAD_ATTRIBUTE_SECURITY_CAPABILITIES
24 // policy flags used by UpdateProcThreadAttribute(). The size field varies
25 // between a 32-bit and a 64-bit type based on the exact build and version of
26 // Windows, so the returned size must be passed to UpdateProcThreadAttribute().
27 void ConvertProcessMitigationsToPolicy(MitigationFlags flags,
28 DWORD64* policy_flags, size_t* size);
29
30 // Adds mitigations that need to be performed on the suspended target process
31 // before execution begins.
32 bool ApplyProcessMitigationsToSuspendedProcess(HANDLE process,
33 MitigationFlags flags);
34
35 // Returns true if all the supplied flags can be set after a process starts.
36 bool CanSetProcessMitigationsPostStartup(MitigationFlags flags);
37
38 // Returns true if all the supplied flags can be set before a process starts.
39 bool CanSetProcessMitigationsPreStartup(MitigationFlags flags);
40
41 } // namespace sandbox
42
43 #endif // SANDBOX_SRC_WIN_PROCESS_MITIGATIONS_H_
44

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