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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 #include "chrome/browser/safe_browsing/module_integrity_verifier_win.h" | 5 #include "chrome/browser/safe_browsing/module_integrity_verifier_win.h" |
| 6 | 6 |
| 7 #include "base/containers/hash_tables.h" | 7 #include "base/containers/hash_tables.h" |
| 8 #include "base/files/file_path.h" | 8 #include "base/files/file_path.h" |
| 9 #include "base/files/memory_mapped_file.h" | 9 #include "base/files/memory_mapped_file.h" |
| 10 #include "base/metrics/histogram.h" | 10 #include "base/metrics/histogram.h" |
| 11 #include "base/scoped_native_library.h" | 11 #include "base/scoped_native_library.h" |
| 12 #include "base/win/pe_image.h" | 12 #include "base/win/pe_image.h" |
| 13 | 13 |
| 14 namespace safe_browsing { | 14 namespace safe_browsing { |
| 15 | 15 |
| 16 const wchar_t* modules_to_verify[kModulesToVerifyMaxCount] = { |
| 17 L"chrome.dll", |
| 18 L"chrome_elf.dll", |
| 19 L"ntdll.dll", |
| 20 NULL, |
| 21 }; |
| 22 |
| 23 int ModulesToVerifyCount() { |
| 24 int i = 0; |
| 25 while (modules_to_verify[i] != NULL) |
| 26 ++i; |
| 27 return i; |
| 28 } |
| 29 |
| 16 struct ModuleVerificationState { | 30 struct ModuleVerificationState { |
| 17 explicit ModuleVerificationState(HMODULE hModule); | 31 explicit ModuleVerificationState(HMODULE hModule); |
| 18 ~ModuleVerificationState(); | 32 ~ModuleVerificationState(); |
| 19 | 33 |
| 20 base::win::PEImageAsData disk_peimage; | 34 base::win::PEImageAsData disk_peimage; |
| 21 | 35 |
| 22 // The module's preferred base address minus the base address it actually | 36 // The module's preferred base address minus the base address it actually |
| 23 // loaded at. | 37 // loaded at. |
| 24 intptr_t image_base_delta; | 38 intptr_t image_base_delta; |
| 25 | 39 |
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| 289 mem_code_addr, | 303 mem_code_addr, |
| 290 code_size, | 304 code_size, |
| 291 exports, | 305 exports, |
| 292 &state, | 306 &state, |
| 293 modified_exports); | 307 modified_exports); |
| 294 | 308 |
| 295 return num_bytes_different ? MODULE_STATE_MODIFIED : MODULE_STATE_UNMODIFIED; | 309 return num_bytes_different ? MODULE_STATE_MODIFIED : MODULE_STATE_UNMODIFIED; |
| 296 } | 310 } |
| 297 | 311 |
| 298 } // namespace safe_browsing | 312 } // namespace safe_browsing |
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