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 "base/win/windows_version.h"
  11 #include "sandbox/win/src/internal_types.h"
  12
  13 namespace sandbox {
  14
  15 bool IsXPSP2OrLater() {
  16   base::win::Version version = base::win::GetVersion();
  17   return (version > base::win::VERSION_XP) ||
  18       ((version == base::win::VERSION_XP) &&
  19        (base::win::OSInfo::GetInstance()->service_pack().major >= 2));
  20 }
  21
  22 void InitObjectAttribs(const std::wstring& name,
  23                        ULONG attributes,
  24                        HANDLE root,
  25                        OBJECT_ATTRIBUTES* obj_attr,
  26                        UNICODE_STRING* uni_name) {
  27   static RtlInitUnicodeStringFunction RtlInitUnicodeString;
  28   if (!RtlInitUnicodeString) {
  29     HMODULE ntdll = ::GetModuleHandle(kNtdllName);
  30     RtlInitUnicodeString = reinterpret_cast<RtlInitUnicodeStringFunction>(
  31         GetProcAddress(ntdll, "RtlInitUnicodeString"));
  32     DCHECK(RtlInitUnicodeString);
  33   }
  34   RtlInitUnicodeString(uni_name, name.c_str());
  35   InitializeObjectAttributes(obj_attr, uni_name, attributes, root, NULL);
  36 }
  37
  38 }  // namespace sandbox