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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 // A helper library to keep track of a user's key by SID. | 5 // A helper library to keep track of a user's key by SID. |
6 // Used by RLZ libary. Also to be used by SearchWithGoogle library. | 6 // Used by RLZ libary. Also to be used by SearchWithGoogle library. |
7 | 7 |
8 #include "rlz/win/lib/registry_util.h" | 8 #include "rlz/win/lib/registry_util.h" |
9 | 9 |
10 #include "base/process/process_handle.h" | 10 #include "base/process/process_info.h" |
11 #include "base/strings/utf_string_conversions.h" | 11 #include "base/strings/utf_string_conversions.h" |
12 #include "base/win/registry.h" | 12 #include "base/win/registry.h" |
13 #include "base/win/windows_version.h" | 13 #include "base/win/windows_version.h" |
14 #include "rlz/lib/assert.h" | 14 #include "rlz/lib/assert.h" |
15 #include "rlz/win/lib/process_info.h" | 15 #include "rlz/win/lib/process_info.h" |
16 | 16 |
17 namespace rlz_lib { | 17 namespace rlz_lib { |
18 | 18 |
19 bool RegKeyReadValue(const base::win::RegKey& key, const wchar_t* name, | 19 bool RegKeyReadValue(const base::win::RegKey& key, const wchar_t* name, |
20 char* value, size_t* value_size) { | 20 char* value, size_t* value_size) { |
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51 base::win::RegKey key; | 51 base::win::RegKey key; |
52 if (key.Open(HKEY_CURRENT_USER, L"Software", KEY_READ) != ERROR_SUCCESS) | 52 if (key.Open(HKEY_CURRENT_USER, L"Software", KEY_READ) != ERROR_SUCCESS) |
53 ASSERT_STRING("Could not open HKEY_CURRENT_USER"); | 53 ASSERT_STRING("Could not open HKEY_CURRENT_USER"); |
54 | 54 |
55 if (ProcessInfo::IsRunningAsSystem()) { | 55 if (ProcessInfo::IsRunningAsSystem()) { |
56 ASSERT_STRING("UserKey::HasAccess: No access as SYSTEM without SID set."); | 56 ASSERT_STRING("UserKey::HasAccess: No access as SYSTEM without SID set."); |
57 return false; | 57 return false; |
58 } | 58 } |
59 | 59 |
60 if (write_access) { | 60 if (write_access) { |
61 if (base::win::GetVersion() < base::win::VERSION_VISTA) return true; | 61 if (base::win::GetVersion() < base::win::VERSION_VISTA) |
62 base::ProcessHandle process_handle = base::GetCurrentProcessHandle(); | 62 return true; |
63 base::IntegrityLevel level = base::INTEGRITY_UNKNOWN; | |
64 | 63 |
65 if (!base::GetProcessIntegrityLevel(process_handle, &level)) { | 64 if (base::GetCurrentProcessIntegrityLevel() <= base::LOW_INTEGRITY) { |
66 ASSERT_STRING("UserKey::HasAccess: Cannot determine Integrity Level."); | |
67 return false; | |
68 } | |
69 if (level <= base::LOW_INTEGRITY) { | |
70 ASSERT_STRING("UserKey::HasAccess: Cannot write from Low Integrity."); | 65 ASSERT_STRING("UserKey::HasAccess: Cannot write from Low Integrity."); |
71 return false; | 66 return false; |
72 } | 67 } |
73 } | 68 } |
74 return true; | 69 return true; |
75 } | 70 } |
76 | 71 |
77 } // namespace rlz_lib | 72 } // namespace rlz_lib |
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