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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 APP_WIN_IAT_PATCH_FUNCTION_H_ | 5 #ifndef BASE_WIN_IAT_PATCH_FUNCTION_H_ |
| 6 #define APP_WIN_IAT_PATCH_FUNCTION_H_ | 6 #define BASE_WIN_IAT_PATCH_FUNCTION_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <windows.h> | 9 #include <windows.h> |
| 10 | 10 |
| 11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
| 12 | 12 |
| 13 namespace app { | 13 namespace base { |
| 14 namespace win { | 14 namespace win { |
| 15 | 15 |
| 16 // A class that encapsulates Import Address Table patching helpers and restores | 16 // A class that encapsulates Import Address Table patching helpers and restores |
| 17 // the original function in the destructor. | 17 // the original function in the destructor. |
| 18 // | 18 // |
| 19 // It will intercept functions for a specific DLL imported from another DLL. | 19 // It will intercept functions for a specific DLL imported from another DLL. |
| 20 // This is the case when, for example, we want to intercept | 20 // This is the case when, for example, we want to intercept |
| 21 // CertDuplicateCertificateContext function (exported from crypt32.dll) called | 21 // CertDuplicateCertificateContext function (exported from crypt32.dll) called |
| 22 // by wininet.dll. | 22 // by wininet.dll. |
| 23 class IATPatchFunction { | 23 class IATPatchFunction { |
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| 60 private: | 60 private: |
| 61 HMODULE module_handle_; | 61 HMODULE module_handle_; |
| 62 void* intercept_function_; | 62 void* intercept_function_; |
| 63 void* original_function_; | 63 void* original_function_; |
| 64 IMAGE_THUNK_DATA* iat_thunk_; | 64 IMAGE_THUNK_DATA* iat_thunk_; |
| 65 | 65 |
| 66 DISALLOW_COPY_AND_ASSIGN(IATPatchFunction); | 66 DISALLOW_COPY_AND_ASSIGN(IATPatchFunction); |
| 67 }; | 67 }; |
| 68 | 68 |
| 69 } // namespace win | 69 } // namespace win |
| 70 } // namespace app | 70 } // namespace base |
| 71 | 71 |
| 72 #endif // APP_WIN_IAT_PATCH_FUNCTION_H_ | 72 #endif // BASE_WIN_IAT_PATCH_FUNCTION_H_ |
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