sandbox/src/sandbox_utils.h

   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 #ifndef SANDBOX_SRC_SANDBOX_UTILS_H__
   6 #define SANDBOX_SRC_SANDBOX_UTILS_H__
   7
   8 #include <windows.h>
   9 #include <string>
  10
  11 #include "base/basictypes.h"
  12 #include "sandbox/src/nt_internals.h"
  13
  14 namespace sandbox {
  15
  16 typedef BOOL (WINAPI* GetModuleHandleExFunction)(DWORD flags,
  17                                                  LPCWSTR module_name,
  18                                                  HMODULE* module);
  19
  20 // Windows XP provides a nice function in kernel32.dll called GetModuleHandleEx
  21 // This function allows us to verify if a function exported by the module
  22 // lies in the module itself.
  23 // As we need compatibility with windows 2000, we cannot use this function
  24 // by calling it by name. This helper function checks if the GetModuleHandleEx
  25 // function is exported by kernel32 and uses it, otherwise, implemets part of
  26 // the functionality exposed by GetModuleHandleEx.
  27 bool GetModuleHandleHelper(DWORD flags, const wchar_t* module_name,
  28                            HMODULE* module);
  29
  30 // Returns true if the current OS is Windows XP SP2 or later.
  31 bool IsXPSP2OrLater();
  32
  33 void InitObjectAttribs(const std::wstring& name, ULONG attributes, HANDLE root,
  34                        OBJECT_ATTRIBUTES* obj_attr, UNICODE_STRING* uni_name);
  35
  36 };  // namespace sandbox
  37
  38 #endif  // SANDBOX_SRC_SANDBOX_UTILS_H__