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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_MODULE_INTEGRITY_VERIFIE
R_WIN_H_ | 5 #ifndef CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_MODULE_INTEGRITY_VERIFIE
R_WIN_H_ |
| 6 #define CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_MODULE_INTEGRITY_VERIFIE
R_WIN_H_ | 6 #define CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_MODULE_INTEGRITY_VERIFIE
R_WIN_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include <set> | |
| 11 #include <string> | |
| 12 | |
| 13 #include "chrome/common/safe_browsing/csd.pb.h" | |
| 14 | |
| 15 namespace base { | 10 namespace base { |
| 16 namespace win { | 11 namespace win { |
| 17 class PEImage; | 12 class PEImage; |
| 18 class PEImageAsData; | 13 class PEImageAsData; |
| 19 } // namespace win | 14 } // namespace win |
| 20 } // namespace base | 15 } // namespace base |
| 21 | 16 |
| 22 namespace safe_browsing { | 17 namespace safe_browsing { |
| 23 | 18 |
| 24 // This enum defines the possible module states VerifyModule can return. | 19 class ClientIncidentReport_EnvironmentData_Process_ModuleState; |
| 25 enum ModuleState { | |
| 26 MODULE_STATE_UNKNOWN, | |
| 27 MODULE_STATE_UNMODIFIED, | |
| 28 MODULE_STATE_MODIFIED, | |
| 29 }; | |
| 30 | |
| 31 struct VerificationResult { | |
| 32 ModuleState state; | |
| 33 // The number of bytes with different values on disk and in memory. | |
| 34 int num_bytes_different; | |
| 35 // True if the relocations were ordered and the verification was fully | |
| 36 // completed. | |
| 37 bool verification_completed; | |
| 38 }; | |
| 39 | 20 |
| 40 // Helper to grab the addresses and size of the code section of a PEImage. | 21 // Helper to grab the addresses and size of the code section of a PEImage. |
| 41 // Returns two addresses: one for the dll loaded as a library, the other for the | 22 // Returns two addresses: one for the dll loaded as a library, the other for the |
| 42 // dll loaded as data. | 23 // dll loaded as data. |
| 43 bool GetCodeAddrsAndSize(const base::win::PEImage& mem_peimage, | 24 bool GetCodeAddrsAndSize(const base::win::PEImage& mem_peimage, |
| 44 const base::win::PEImageAsData& disk_peimage, | 25 const base::win::PEImageAsData& disk_peimage, |
| 45 uint8_t** mem_code_addr, | 26 uint8_t** mem_code_addr, |
| 46 uint8_t** disk_code_addr, | 27 uint8_t** disk_code_addr, |
| 47 uint32_t* code_size); | 28 uint32_t* code_size); |
| 48 | 29 |
| 49 // Examines the code section of the given module in memory and on disk, looking | 30 // Examines the code section of the given module in memory and on disk, looking |
| 50 // for unexpected differences. Returns a ModuleState and and a set of the | |
| 51 // possibly modified exports. | |
| 52 ModuleState VerifyModule(const wchar_t* module_name, | |
| 53 std::set<std::string>* modified_exports, | |
| 54 int* num_bytes_different); | |
| 55 | |
| 56 // Examines the code section of the given module in memory and on disk, looking | |
| 57 // for unexpected differences and populating |module_state| in the process. | 31 // for unexpected differences and populating |module_state| in the process. |
| 58 VerificationResult NewVerifyModule( | 32 // Returns true if the entire image was scanned. |num_bytes_different| is |
| 33 // populated with the number of differing bytes found, even if the scan failed |
| 34 // to complete. |
| 35 bool VerifyModule( |
| 59 const wchar_t* module_name, | 36 const wchar_t* module_name, |
| 60 ClientIncidentReport_EnvironmentData_Process_ModuleState* module_state); | 37 ClientIncidentReport_EnvironmentData_Process_ModuleState* module_state, |
| 38 int* num_bytes_different); |
| 61 | 39 |
| 62 } // namespace safe_browsing | 40 } // namespace safe_browsing |
| 63 | 41 |
| 64 #endif // CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_MODULE_INTEGRITY_VERI
FIER_WIN_H_ | 42 #endif // CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_MODULE_INTEGRITY_VERI
FIER_WIN_H_ |
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