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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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 "sandbox/win/sandbox_poc/pocdll/exports.h" | 5 #include "sandbox/win/sandbox_poc/pocdll/exports.h" |
| 6 #include "sandbox/win/sandbox_poc/pocdll/utils.h" | 6 #include "sandbox/win/sandbox_poc/pocdll/utils.h" |
| 7 | 7 |
| 8 // This file contains the tests used to verify the security of the registry. | 8 // This file contains the tests used to verify the security of the registry. |
| 9 | 9 |
| 10 // Converts an HKEY to a string. This is using the lazy way and works only | 10 // Converts an HKEY to a string. This is using the lazy way and works only |
| 11 // for the main hives. | 11 // for the main hives. |
| 12 // "key" is the hive to convert to string. | 12 // "key" is the hive to convert to string. |
| 13 // The return value is the string corresponding to the hive or "unknown" | 13 // The return value is the string corresponding to the hive or "unknown" |
| 14 const wchar_t *HKEYToString(const HKEY key) { | 14 const wchar_t *HKEYToString(const HKEY key) { |
| 15 switch (reinterpret_cast<LONG_PTR>(key)) { | 15 switch (reinterpret_cast<LONG_PTR>(key)) { |
| 16 case HKEY_CLASSES_ROOT: | 16 case reinterpret_cast<LONG_PTR>(HKEY_CLASSES_ROOT): |
| 17 return L"HKEY_CLASSES_ROOT"; | 17 return L"HKEY_CLASSES_ROOT"; |
| 18 case HKEY_CURRENT_CONFIG: | 18 case reinterpret_cast<LONG_PTR>(HKEY_CURRENT_CONFIG): |
| 19 return L"HKEY_CURRENT_CONFIG"; | 19 return L"HKEY_CURRENT_CONFIG"; |
| 20 case HKEY_CURRENT_USER: | 20 case reinterpret_cast<LONG_PTR>(HKEY_CURRENT_USER): |
| 21 return L"HKEY_CURRENT_USER"; | 21 return L"HKEY_CURRENT_USER"; |
| 22 case HKEY_LOCAL_MACHINE: | 22 case reinterpret_cast<LONG_PTR>(HKEY_LOCAL_MACHINE): |
| 23 return L"HKEY_LOCAL_MACHINE"; | 23 return L"HKEY_LOCAL_MACHINE"; |
| 24 case HKEY_USERS: | 24 case reinterpret_cast<LONG_PTR>(HKEY_USERS): |
| 25 return L"HKEY_USERS"; | 25 return L"HKEY_USERS"; |
| 26 } | 26 } |
| 27 return L"unknown"; | 27 return L"unknown"; |
| 28 } | 28 } |
| 29 | 29 |
| 30 // Tries to open the key hive\path and outputs the result. | 30 // Tries to open the key hive\path and outputs the result. |
| 31 // "output" is the stream used for logging. | 31 // "output" is the stream used for logging. |
| 32 void TryOpenKey(const HKEY hive, const wchar_t *path, FILE *output) { | 32 void TryOpenKey(const HKEY hive, const wchar_t *path, FILE *output) { |
| 33 HKEY key; | 33 HKEY key; |
| 34 LONG err_code = ::RegOpenKeyEx(hive, | 34 LONG err_code = ::RegOpenKeyEx(hive, |
| 35 path, | 35 path, |
| 36 0, // Reserved, must be 0. | 36 0, // Reserved, must be 0. |
| 37 MAXIMUM_ALLOWED, | 37 MAXIMUM_ALLOWED, |
| 38 &key); | 38 &key); |
| 39 if (ERROR_SUCCESS == err_code) { | 39 if (ERROR_SUCCESS == err_code) { |
| 40 fprintf(output, "[GRANTED] Opening key \"%S\\%S\". Handle 0x%p\r\n", | 40 fprintf(output, "[GRANTED] Opening key \"%S\\%S\". Handle 0x%p\r\n", |
| 41 HKEYToString(hive), | 41 HKEYToString(hive), |
| 42 path, | 42 path, |
| 43 key); | 43 key); |
| 44 ::RegCloseKey(key); | 44 ::RegCloseKey(key); |
| 45 } else { | 45 } else { |
| 46 fprintf(output, "[BLOCKED] Opening key \"%S\\%S\". Error %d\r\n", | 46 fprintf(output, "[BLOCKED] Opening key \"%S\\%S\". Error %ld\r\n", |
| 47 HKEYToString(hive), | 47 HKEYToString(hive), |
| 48 path, | 48 path, |
| 49 err_code); | 49 err_code); |
| 50 } | 50 } |
| 51 } | 51 } |
| 52 | 52 |
| 53 void POCDLL_API TestRegistry(HANDLE log) { | 53 void POCDLL_API TestRegistry(HANDLE log) { |
| 54 HandleToFile handle2file; | 54 HandleToFile handle2file; |
| 55 FILE *output = handle2file.Translate(log, "w"); | 55 FILE *output = handle2file.Translate(log, "w"); |
| 56 | 56 |
| 57 TryOpenKey(HKEY_LOCAL_MACHINE, NULL, output); | 57 TryOpenKey(HKEY_LOCAL_MACHINE, NULL, output); |
| 58 TryOpenKey(HKEY_CURRENT_USER, NULL, output); | 58 TryOpenKey(HKEY_CURRENT_USER, NULL, output); |
| 59 TryOpenKey(HKEY_USERS, NULL, output); | 59 TryOpenKey(HKEY_USERS, NULL, output); |
| 60 TryOpenKey(HKEY_LOCAL_MACHINE, | 60 TryOpenKey(HKEY_LOCAL_MACHINE, |
| 61 L"Software\\Microsoft\\Windows NT\\CurrentVersion\\WinLogon", | 61 L"Software\\Microsoft\\Windows NT\\CurrentVersion\\WinLogon", |
| 62 output); | 62 output); |
| 63 } | 63 } |
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