sandbox/win/src/sandbox_utils.cc

   1 // Copyright (c) 2011 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/sandbox_utils.h"
   6
   7 #include <windows.h>
   8
   9 #include "base/logging.h"
  10 #include "sandbox/win/src/internal_types.h"
  11
  12 namespace sandbox {
  13
  14 void InitObjectAttribs(const base::string16& name,
  15                        ULONG attributes,
  16                        HANDLE root,
  17                        OBJECT_ATTRIBUTES* obj_attr,
  18                        UNICODE_STRING* uni_name) {
  19   static RtlInitUnicodeStringFunction RtlInitUnicodeString;
  20   if (!RtlInitUnicodeString) {
  21     HMODULE ntdll = ::GetModuleHandle(kNtdllName);
  22     RtlInitUnicodeString = reinterpret_cast<RtlInitUnicodeStringFunction>(
  23         GetProcAddress(ntdll, "RtlInitUnicodeString"));
  24     DCHECK(RtlInitUnicodeString);
  25   }
  26   RtlInitUnicodeString(uni_name, name.c_str());
  27   InitializeObjectAttributes(obj_attr, uni_name, attributes, root, NULL);
  28 }
  29
  30 }  // namespace sandbox