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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef SANDBOX_SRC_WIN_PROCESS_MITIGATIONS_H_ | 5 #ifndef SANDBOX_SRC_WIN_PROCESS_MITIGATIONS_H_ |
| 6 #define SANDBOX_SRC_WIN_PROCESS_MITIGATIONS_H_ | 6 #define SANDBOX_SRC_WIN_PROCESS_MITIGATIONS_H_ |
| 7 | 7 |
| 8 #include <windows.h> | 8 #include <windows.h> |
| 9 #include <stddef.h> | 9 #include <stddef.h> |
| 10 | 10 |
| 11 #include "sandbox/win/src/security_level.h" | 11 #include "sandbox/win/src/security_level.h" |
| 12 | 12 |
| 13 namespace sandbox { | 13 namespace sandbox { |
| 14 | 14 |
| 15 // Sets the mitigation policy for the current process, ignoring any settings | 15 // Sets the mitigation policy for the current process, ignoring any settings |
| 16 // that are invalid for the current version of Windows. | 16 // that are invalid for the current version of Windows. |
| 17 bool ApplyProcessMitigationsToCurrentProcess(MitigationFlags flags); | 17 bool ApplyProcessMitigationsToCurrentProcess(MitigationFlags flags); |
| 18 | 18 |
| 19 // Returns the flags that must be enforced after startup for the current OS | 19 // Returns the flags that must be enforced after startup for the current OS |
| 20 // version. | 20 // version. |
| 21 MitigationFlags FilterPostStartupProcessMitigations(MitigationFlags flags); | 21 MitigationFlags FilterPostStartupProcessMitigations(MitigationFlags flags); |
| 22 | 22 |
| 23 // Converts sandbox flags to the PROC_THREAD_ATTRIBUTE_SECURITY_CAPABILITIES | 23 // Converts sandbox flags to the PROC_THREAD_ATTRIBUTE_SECURITY_CAPABILITIES |
| 24 // policy flags used by UpdateProcThreadAttribute(). The size field varies | 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 | 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(). | 26 // Windows, so the returned size must be passed to UpdateProcThreadAttribute(). |
| 27 void ConvertProcessMitigationsToPolicy(MitigationFlags flags, | 27 void ConvertProcessMitigationsToPolicy(MitigationFlags flags, |
| 28 DWORD64* policy_flags, size_t* size); | 28 DWORD64* policy_flags, |
| 29 size_t* size); |
| 29 | 30 |
| 30 // Adds mitigations that need to be performed on the suspended target process | 31 // Adds mitigations that need to be performed on the suspended target process |
| 31 // before execution begins. | 32 // before execution begins. |
| 32 bool ApplyProcessMitigationsToSuspendedProcess(HANDLE process, | 33 bool ApplyProcessMitigationsToSuspendedProcess(HANDLE process, |
| 33 MitigationFlags flags); | 34 MitigationFlags flags); |
| 34 | 35 |
| 35 // Returns true if all the supplied flags can be set after a process starts. | 36 // Returns true if all the supplied flags can be set after a process starts. |
| 36 bool CanSetProcessMitigationsPostStartup(MitigationFlags flags); | 37 bool CanSetProcessMitigationsPostStartup(MitigationFlags flags); |
| 37 | 38 |
| 38 // Returns true if all the supplied flags can be set before a process starts. | 39 // Returns true if all the supplied flags can be set before a process starts. |
| 39 bool CanSetProcessMitigationsPreStartup(MitigationFlags flags); | 40 bool CanSetProcessMitigationsPreStartup(MitigationFlags flags); |
| 40 | 41 |
| 41 } // namespace sandbox | 42 } // namespace sandbox |
| 42 | 43 |
| 43 #endif // SANDBOX_SRC_WIN_PROCESS_MITIGATIONS_H_ | 44 #endif // SANDBOX_SRC_WIN_PROCESS_MITIGATIONS_H_ |
| 44 | 45 |
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