michael@0: // Copyright (c) 2011 The Chromium Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: 
michael@0: #include "sandbox/win/src/sandbox_utils.h"
michael@0: 
michael@0: #include <windows.h>
michael@0: 
michael@0: #include "base/logging.h"
michael@0: #include "base/win/windows_version.h"
michael@0: #include "sandbox/win/src/internal_types.h"
michael@0: 
michael@0: namespace sandbox {
michael@0: 
michael@0: bool IsXPSP2OrLater() {
michael@0:   base::win::Version version = base::win::GetVersion();
michael@0:   return (version > base::win::VERSION_XP) ||
michael@0:       ((version == base::win::VERSION_XP) &&
michael@0:        (base::win::OSInfo::GetInstance()->service_pack().major >= 2));
michael@0: }
michael@0: 
michael@0: void InitObjectAttribs(const std::wstring& name,
michael@0:                        ULONG attributes,
michael@0:                        HANDLE root,
michael@0:                        OBJECT_ATTRIBUTES* obj_attr,
michael@0:                        UNICODE_STRING* uni_name) {
michael@0:   static RtlInitUnicodeStringFunction RtlInitUnicodeString;
michael@0:   if (!RtlInitUnicodeString) {
michael@0:     HMODULE ntdll = ::GetModuleHandle(kNtdllName);
michael@0:     RtlInitUnicodeString = reinterpret_cast<RtlInitUnicodeStringFunction>(
michael@0:       GetProcAddress(ntdll, "RtlInitUnicodeString"));
michael@0:     DCHECK(RtlInitUnicodeString);
michael@0:   }
michael@0:   RtlInitUnicodeString(uni_name, name.c_str());
michael@0:   InitializeObjectAttributes(obj_attr, uni_name, attributes, root, NULL);
michael@0: }
michael@0: 
michael@0: };  // namespace sandbox