sandbox/win/src/handle_interception.cc

   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
  14 namespace sandbox {
  15
  16 ResultCode 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.nt_status);
  37     return SBOX_ERROR_GENERIC;
  38   }
  39
  40   *target_handle = answer.handle;
  41   return SBOX_ALL_OK;
  42 }
  43
  44 }  // namespace sandbox
  45