release/src/router/openvpn/tap-win32/tmp/common.h

   1 /*
   2  *  TAP-Win32/TAP-Win64 -- A kernel driver to provide virtual tap
   3  *                         device functionality on Windows.
   4  *
   5  *  This code was inspired by the CIPE-Win32 driver by Damion K. Wilson.
   6  *
   7  *  This source code is Copyright (C) 2002-2009 OpenVPN Technologies, Inc.,
   8  *  and is released under the GPL version 2 (see below), however due
   9  *  to the extra costs of supporting Windows Vista, OpenVPN Solutions
  10  *  LLC reserves the right to change the terms of the TAP-Win32/TAP-Win64
  11  *  license for versions 9.1 and higher prior to the official release of
  12  *  OpenVPN 2.1.
  13  *
  14  *  This program is free software; you can redistribute it and/or modify
  15  *  it under the terms of the GNU General Public License version 2
  16  *  as published by the Free Software Foundation.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *  GNU General Public License for more details.
  22  *
  23  *  You should have received a copy of the GNU General Public License
  24  *  along with this program (see the file COPYING included with this
  25  *  distribution); if not, write to the Free Software Foundation, Inc.,
  26  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  27  */
  28
  29 //===============================================
  30 // This file is included both by OpenVPN and
  31 // the TAP-Win32 driver and contains definitions
  32 // common to both.
  33 //===============================================
  34
  35 #if defined(HAVE_CONFIG_H)
  36 #include "config.h"
  37 #else
  38 #if defined(_MSC_VER) && !defined(TAP_DRIVER_MAJOR_VERSION)
  39 #include "config-win32.h"
  40 #else
  41 #include "../config.h"
  42 #endif
  43 #endif
  44
  45 //=============
  46 // TAP IOCTLs
  47 //=============
  48
  49 #define TAP_CONTROL_CODE(request,method) \
  50   CTL_CODE (FILE_DEVICE_UNKNOWN, request, method, FILE_ANY_ACCESS)
  51
  52 // Present in 8.1
  53
  54 #define TAP_IOCTL_GET_MAC               TAP_CONTROL_CODE (1, METHOD_BUFFERED)
  55 #define TAP_IOCTL_GET_VERSION           TAP_CONTROL_CODE (2, METHOD_BUFFERED)
  56 #define TAP_IOCTL_GET_MTU               TAP_CONTROL_CODE (3, METHOD_BUFFERED)
  57 #define TAP_IOCTL_GET_INFO              TAP_CONTROL_CODE (4, METHOD_BUFFERED)
  58 #define TAP_IOCTL_CONFIG_POINT_TO_POINT TAP_CONTROL_CODE (5, METHOD_BUFFERED)
  59 #define TAP_IOCTL_SET_MEDIA_STATUS      TAP_CONTROL_CODE (6, METHOD_BUFFERED)
  60 #define TAP_IOCTL_CONFIG_DHCP_MASQ      TAP_CONTROL_CODE (7, METHOD_BUFFERED)
  61 #define TAP_IOCTL_GET_LOG_LINE          TAP_CONTROL_CODE (8, METHOD_BUFFERED)
  62 #define TAP_IOCTL_CONFIG_DHCP_SET_OPT   TAP_CONTROL_CODE (9, METHOD_BUFFERED)
  63
  64 // Added in 8.2
  65
  66 /* obsoletes TAP_IOCTL_CONFIG_POINT_TO_POINT */
  67 #define TAP_IOCTL_CONFIG_TUN            TAP_CONTROL_CODE (10, METHOD_BUFFERED)
  68
  69 //=================
  70 // Registry keys
  71 //=================
  72
  73 #define ADAPTER_KEY "SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}"
  74
  75 #define NETWORK_CONNECTIONS_KEY "SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}"
  76
  77 //======================
  78 // Filesystem prefixes
  79 //======================
  80
  81 #define USERMODEDEVICEDIR "\\\\.\\Global\\"
  82 #define SYSDEVICEDIR      "\\Device\\"
  83 #define USERDEVICEDIR     "\\DosDevices\\Global\\"
  84 #define TAPSUFFIX         ".tap"
  85
  86 //=========================================================
  87 // TAP_COMPONENT_ID -- This string defines the TAP driver
  88 // type -- different component IDs can reside in the system
  89 // simultaneously.
  90 //=========================================================
  91
  92 #define TAP_COMPONENT_ID TAP_ID