Thu, 22 Jan 2015 13:21:57 +0100
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
michael@0 | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
michael@0 | 2 | // Use of this source code is governed by a BSD-style license that can be |
michael@0 | 3 | // found in the LICENSE file. |
michael@0 | 4 | |
michael@0 | 5 | #include "sandbox/win/src/handle_interception.h" |
michael@0 | 6 | |
michael@0 | 7 | #include "sandbox/win/src/crosscall_client.h" |
michael@0 | 8 | #include "sandbox/win/src/ipc_tags.h" |
michael@0 | 9 | #include "sandbox/win/src/sandbox_factory.h" |
michael@0 | 10 | #include "sandbox/win/src/sandbox_nt_util.h" |
michael@0 | 11 | #include "sandbox/win/src/sharedmem_ipc_client.h" |
michael@0 | 12 | #include "sandbox/win/src/target_services.h" |
michael@0 | 13 | |
michael@0 | 14 | namespace sandbox { |
michael@0 | 15 | |
michael@0 | 16 | ResultCode DuplicateHandleProxy(HANDLE source_handle, |
michael@0 | 17 | DWORD target_process_id, |
michael@0 | 18 | HANDLE* target_handle, |
michael@0 | 19 | DWORD desired_access, |
michael@0 | 20 | DWORD options) { |
michael@0 | 21 | *target_handle = NULL; |
michael@0 | 22 | |
michael@0 | 23 | void* memory = GetGlobalIPCMemory(); |
michael@0 | 24 | if (NULL == memory) |
michael@0 | 25 | return SBOX_ERROR_NO_SPACE; |
michael@0 | 26 | |
michael@0 | 27 | SharedMemIPCClient ipc(memory); |
michael@0 | 28 | CrossCallReturn answer = {0}; |
michael@0 | 29 | ResultCode code = CrossCall(ipc, IPC_DUPLICATEHANDLEPROXY_TAG, |
michael@0 | 30 | source_handle, target_process_id, |
michael@0 | 31 | desired_access, options, &answer); |
michael@0 | 32 | if (SBOX_ALL_OK != code) |
michael@0 | 33 | return code; |
michael@0 | 34 | |
michael@0 | 35 | if (answer.win32_result) { |
michael@0 | 36 | ::SetLastError(answer.nt_status); |
michael@0 | 37 | return SBOX_ERROR_GENERIC; |
michael@0 | 38 | } |
michael@0 | 39 | |
michael@0 | 40 | *target_handle = answer.handle; |
michael@0 | 41 | return SBOX_ALL_OK; |
michael@0 | 42 | } |
michael@0 | 43 | |
michael@0 | 44 | } // namespace sandbox |
michael@0 | 45 |