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
3// found in the LICENSE file.
4
5#include "sandbox/win/src/handle_interception.h"
6
7#include "sandbox/win/src/crosscall_client.h"
8#include "sandbox/win/src/ipc_tags.h"
9#include "sandbox/win/src/sandbox_factory.h"
10#include "sandbox/win/src/sandbox_nt_util.h"
11#include "sandbox/win/src/sharedmem_ipc_client.h"
12#include "sandbox/win/src/target_services.h"
13
14namespace sandbox {
15
16ResultCode DuplicateHandleProxy(HANDLE source_handle,
17                                DWORD target_process_id,
18                                HANDLE* target_handle,
19                                DWORD desired_access,
20                                DWORD options) {
21  *target_handle = NULL;
22
23  void* memory = GetGlobalIPCMemory();
24  if (NULL == memory)
25    return SBOX_ERROR_NO_SPACE;
26
27  SharedMemIPCClient ipc(memory);
28  CrossCallReturn answer = {0};
29  ResultCode code = CrossCall(ipc, IPC_DUPLICATEHANDLEPROXY_TAG,
30                              source_handle, target_process_id,
31                              desired_access, options, &answer);
32  if (SBOX_ALL_OK != code)
33    return code;
34
35  if (answer.win32_result) {
36    ::SetLastError(answer.win32_result);
37    return SBOX_ERROR_GENERIC;
38  }
39
40  *target_handle = answer.handle;
41  return SBOX_ALL_OK;
42}
43
44}  // namespace sandbox
45
46