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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 "ipc/attachment_broker_privileged_win.h" | 5 #include "ipc/attachment_broker_privileged_win.h" |
6 | 6 |
7 #include <windows.h> | 7 #include <windows.h> |
8 | 8 |
9 #include "base/process/process.h" | 9 #include "base/process/process.h" |
10 #include "ipc/attachment_broker_messages.h" | 10 #include "ipc/attachment_broker_messages.h" |
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88 sender->Send(new AttachmentBrokerMsg_WinHandleHasBeenDuplicated(wire_format)); | 88 sender->Send(new AttachmentBrokerMsg_WinHandleHasBeenDuplicated(wire_format)); |
89 } | 89 } |
90 | 90 |
91 AttachmentBrokerPrivilegedWin::HandleWireFormat | 91 AttachmentBrokerPrivilegedWin::HandleWireFormat |
92 AttachmentBrokerPrivilegedWin::DuplicateWinHandle( | 92 AttachmentBrokerPrivilegedWin::DuplicateWinHandle( |
93 const HandleWireFormat& wire_format, | 93 const HandleWireFormat& wire_format, |
94 base::ProcessId source_pid) { | 94 base::ProcessId source_pid) { |
95 HandleWireFormat new_wire_format; | 95 HandleWireFormat new_wire_format; |
96 new_wire_format.destination_process = wire_format.destination_process; | 96 new_wire_format.destination_process = wire_format.destination_process; |
97 new_wire_format.attachment_id = wire_format.attachment_id; | 97 new_wire_format.attachment_id = wire_format.attachment_id; |
| 98 new_wire_format.permissions = wire_format.permissions; |
| 99 new_wire_format.handle = 0; |
98 | 100 |
99 HANDLE original_handle = LongToHandle(wire_format.handle); | 101 HANDLE original_handle = LongToHandle(wire_format.handle); |
100 | 102 |
101 base::Process source_process = | 103 base::Process source_process = |
102 base::Process::OpenWithExtraPrivileges(source_pid); | 104 base::Process::OpenWithExtraPrivileges(source_pid); |
103 base::Process dest_process = | 105 base::Process dest_process = |
104 base::Process::OpenWithExtraPrivileges(wire_format.destination_process); | 106 base::Process::OpenWithExtraPrivileges(wire_format.destination_process); |
105 if (source_process.Handle() && dest_process.Handle()) { | 107 if (source_process.Handle() && dest_process.Handle()) { |
| 108 DWORD desired_access = 0; |
| 109 DWORD options = 0; |
| 110 switch (wire_format.permissions) { |
| 111 case HandleWin::INVALID: |
| 112 LOG(ERROR) << "Received invalid permissions for duplication."; |
| 113 return new_wire_format; |
| 114 case HandleWin::DUPLICATE: |
| 115 options = DUPLICATE_SAME_ACCESS; |
| 116 break; |
| 117 case HandleWin::FILE_READ_WRITE: |
| 118 desired_access = FILE_GENERIC_READ | FILE_GENERIC_WRITE; |
| 119 break; |
| 120 } |
| 121 |
106 HANDLE new_handle; | 122 HANDLE new_handle; |
107 DWORD result = ::DuplicateHandle(source_process.Handle(), original_handle, | 123 DWORD result = ::DuplicateHandle(source_process.Handle(), original_handle, |
108 dest_process.Handle(), &new_handle, 0, | 124 dest_process.Handle(), &new_handle, |
109 FALSE, DUPLICATE_SAME_ACCESS); | 125 desired_access, FALSE, options); |
110 | 126 |
111 new_wire_format.handle = (result != 0) ? HandleToLong(new_handle) : 0; | 127 new_wire_format.handle = (result != 0) ? HandleToLong(new_handle) : 0; |
112 } else { | |
113 new_wire_format.handle = 0; | |
114 } | 128 } |
| 129 |
115 return new_wire_format; | 130 return new_wire_format; |
116 } | 131 } |
117 | 132 |
118 } // namespace IPC | 133 } // namespace IPC |
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