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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 #include "base/win/scoped_process_information.h" | 5 #include "base/win/scoped_process_information.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/win/scoped_handle.h" | 8 #include "base/win/scoped_handle.h" |
9 #include "base/win/windows_version.h" | |
9 | 10 |
10 namespace base { | 11 namespace base { |
11 namespace win { | 12 namespace win { |
12 | 13 |
13 namespace { | 14 namespace { |
14 | 15 |
15 // Duplicates source into target, returning true upon success. |target| is | 16 // Duplicates source into target, returning true upon success. |target| is |
16 // guaranteed to be untouched in case of failure. Succeeds with no side-effects | 17 // guaranteed to be untouched in case of failure. Succeeds with no side-effects |
17 // if source is NULL. | 18 // if source is NULL. |
18 bool CheckAndDuplicateHandle(HANDLE source, ScopedHandle* target) { | 19 bool CheckAndDuplicateHandle(HANDLE source, ScopedHandle* target) { |
19 if (!source) | 20 if (!source) |
20 return true; | 21 return true; |
21 | 22 |
22 HANDLE temp = NULL; | 23 HANDLE temp = NULL; |
23 if (!::DuplicateHandle(::GetCurrentProcess(), source, | 24 |
24 ::GetCurrentProcess(), &temp, 0, FALSE, | 25 // TODO(shrikant): Remove following code as soon as we gather some |
25 DUPLICATE_SAME_ACCESS)) { | 26 // information regarding AppContainer related DuplicateHandle failures that |
26 DPLOG(ERROR) << "Failed to duplicate a handle."; | 27 // only seem to happen on certain machine and only random launches (normally |
27 return false; | 28 // renderer launches seem to succeed even on those machines.) |
29 if (base::win::GetVersion() == base::win::VERSION_WIN8 || | |
30 base::win::GetVersion() == base::win::VERSION_WIN8_1) { | |
31 typedef LONG NTSTATUS; | |
cpu_(ooo_6.6-7.5)
2015/04/24 02:39:56
just do LONG w/o typedef
Shrikant Kelkar
2015/04/24 18:31:26
Done.
| |
32 typedef NTSTATUS (WINAPI *NtDuplicateObject)( | |
33 IN HANDLE SourceProcess, | |
34 IN HANDLE SourceHandle, | |
35 IN HANDLE TargetProcess, | |
36 OUT PHANDLE TargetHandle, | |
37 IN ACCESS_MASK DesiredAccess, | |
38 IN ULONG Attributes, | |
39 IN ULONG Options); | |
40 | |
41 typedef ULONG (WINAPI *RtlNtStatusToDosError)(IN NTSTATUS Status); | |
42 | |
43 NtDuplicateObject nt_duplicate_object = | |
44 reinterpret_cast<NtDuplicateObject>(::GetProcAddress( | |
45 GetModuleHandle(L"ntdll.dll"), "NtDuplicateObject")); | |
46 if (nt_duplicate_object != NULL) { | |
47 NTSTATUS status = nt_duplicate_object(::GetCurrentProcess(), source, | |
48 ::GetCurrentProcess(), &temp, | |
49 0, FALSE, DUPLICATE_SAME_ACCESS); | |
50 if (status < 0) { | |
51 DPLOG(ERROR) << "Failed to duplicate a handle."; | |
52 RtlNtStatusToDosError ntstatus_to_doserror = | |
cpu_(ooo_6.6-7.5)
2015/04/24 02:39:56
do we need this? I don't where?
Shrikant Kelkar
2015/04/24 18:31:26
kernelbase::DuplicateHandle calls NtDupliateObject
| |
53 reinterpret_cast<RtlNtStatusToDosError>(::GetProcAddress( | |
54 GetModuleHandle(L"ntdll.dll"), "RtlNtStatusToDosError")); | |
55 if (ntstatus_to_doserror != NULL) { | |
56 ::SetLastError(ntstatus_to_doserror(status)); | |
57 } | |
58 return false; | |
59 } | |
60 } | |
61 } else { | |
62 if (!::DuplicateHandle(::GetCurrentProcess(), source, | |
63 ::GetCurrentProcess(), &temp, 0, FALSE, | |
64 DUPLICATE_SAME_ACCESS)) { | |
65 DPLOG(ERROR) << "Failed to duplicate a handle."; | |
66 return false; | |
67 } | |
28 } | 68 } |
29 target->Set(temp); | 69 target->Set(temp); |
30 return true; | 70 return true; |
31 } | 71 } |
32 | 72 |
33 } // namespace | 73 } // namespace |
34 | 74 |
35 ScopedProcessInformation::ScopedProcessInformation() | 75 ScopedProcessInformation::ScopedProcessInformation() |
36 : process_id_(0), thread_id_(0) { | 76 : process_id_(0), thread_id_(0) { |
37 } | 77 } |
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99 return process_handle_.Take(); | 139 return process_handle_.Take(); |
100 } | 140 } |
101 | 141 |
102 HANDLE ScopedProcessInformation::TakeThreadHandle() { | 142 HANDLE ScopedProcessInformation::TakeThreadHandle() { |
103 thread_id_ = 0; | 143 thread_id_ = 0; |
104 return thread_handle_.Take(); | 144 return thread_handle_.Take(); |
105 } | 145 } |
106 | 146 |
107 } // namespace win | 147 } // namespace win |
108 } // namespace base | 148 } // namespace base |
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