text: // SoftEther VPN Source Code - Stable Edition Repository
  // Cedar Communication Module
  // 
  // SoftEther VPN Server, Client and Bridge are free software under GPLv2.
  // 
  // Copyright (c) Daiyuu Nobori.
  // Copyright (c) SoftEther VPN Project, University of Tsukuba, Japan.
  // Copyright (c) SoftEther Corporation.
  // 
  // All Rights Reserved.
  // 
  // http://www.softether.org/
  // 
  // Author: Daiyuu Nobori, Ph.D.
  // Comments: Tetsuo Sugiyama, Ph.D.
  // 
  // This program is free software; you can redistribute it and/or
  // modify it under the terms of the GNU General Public License
  // version 2 as published by the Free Software Foundation.
  // 
  // This program is distributed in the hope that it will be useful,
  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  // GNU General Public License for more details.
  // 
  // You should have received a copy of the GNU General Public License version 2
  // along with this program; if not, write to the Free Software
  // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  // 
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  // 
  // THE LICENSE AGREEMENT IS ATTACHED ON THE SOURCE-CODE PACKAGE
  // AS "LICENSE.TXT" FILE. READ THE TEXT FILE IN ADVANCE TO USE THE SOFTWARE.
  // 
  // 
  // THIS SOFTWARE IS DEVELOPED IN JAPAN, AND DISTRIBUTED FROM JAPAN,
  // UNDER JAPANESE LAWS. YOU MUST AGREE IN ADVANCE TO USE, COPY, MODIFY,
  // MERGE, PUBLISH, DISTRIBUTE, SUBLICENSE, AND/OR SELL COPIES OF THIS
  // SOFTWARE, THAT ANY JURIDICAL DISPUTES WHICH ARE CONCERNED TO THIS
  // SOFTWARE OR ITS CONTENTS, AGAINST US (SOFTETHER PROJECT, SOFTETHER
  // CORPORATION, DAIYUU NOBORI OR OTHER SUPPLIERS), OR ANY JURIDICAL
  // DISPUTES AGAINST US WHICH ARE CAUSED BY ANY KIND OF USING, COPYING,
  // MODIFYING, MERGING, PUBLISHING, DISTRIBUTING, SUBLICENSING, AND/OR
  // SELLING COPIES OF THIS SOFTWARE SHALL BE REGARDED AS BE CONSTRUED AND
  // CONTROLLED BY JAPANESE LAWS, AND YOU MUST FURTHER CONSENT TO
  // EXCLUSIVE JURISDICTION AND VENUE IN THE COURTS SITTING IN TOKYO,
  // JAPAN. YOU MUST WAIVE ALL DEFENSES OF LACK OF PERSONAL JURISDICTION
  // AND FORUM NON CONVENIENS. PROCESS MAY BE SERVED ON EITHER PARTY IN
  // THE MANNER AUTHORIZED BY APPLICABLE LAW OR COURT RULE.
  // 
  // USE ONLY IN JAPAN. DO NOT USE THIS SOFTWARE IN ANOTHER COUNTRY UNLESS
  // YOU HAVE A CONFIRMATION THAT THIS SOFTWARE DOES NOT VIOLATE ANY
  // CRIMINAL LAWS OR CIVIL RIGHTS IN THAT PARTICULAR COUNTRY. USING THIS
  // SOFTWARE IN OTHER COUNTRIES IS COMPLETELY AT YOUR OWN RISK. THE
  // SOFTETHER VPN PROJECT HAS DEVELOPED AND DISTRIBUTED THIS SOFTWARE TO
  // COMPLY ONLY WITH THE JAPANESE LAWS AND EXISTING CIVIL RIGHTS INCLUDING
  // PATENTS WHICH ARE SUBJECTS APPLY IN JAPAN. OTHER COUNTRIES' LAWS OR
  // CIVIL RIGHTS ARE NONE OF OUR CONCERNS NOR RESPONSIBILITIES. WE HAVE
  // NEVER INVESTIGATED ANY CRIMINAL REGULATIONS, CIVIL LAWS OR
  // INTELLECTUAL PROPERTY RIGHTS INCLUDING PATENTS IN ANY OF OTHER 200+
  // COUNTRIES AND TERRITORIES. BY NATURE, THERE ARE 200+ REGIONS IN THE
  // WORLD, WITH DIFFERENT LAWS. IT IS IMPOSSIBLE TO VERIFY EVERY
  // COUNTRIES' LAWS, REGULATIONS AND CIVIL RIGHTS TO MAKE THE SOFTWARE
  // COMPLY WITH ALL COUNTRIES' LAWS BY THE PROJECT. EVEN IF YOU WILL BE
  // SUED BY A PRIVATE ENTITY OR BE DAMAGED BY A PUBLIC SERVANT IN YOUR
  // COUNTRY, THE DEVELOPERS OF THIS SOFTWARE WILL NEVER BE LIABLE TO
  // RECOVER OR COMPENSATE SUCH DAMAGES, CRIMINAL OR CIVIL
  // RESPONSIBILITIES. NOTE THAT THIS LINE IS NOT LICENSE RESTRICTION BUT
  // JUST A STATEMENT FOR WARNING AND DISCLAIMER.
  // 
  // 
  // SOURCE CODE CONTRIBUTION
  // ------------------------
  // 
  // Your contribution to SoftEther VPN Project is much appreciated.
  // Please send patches to us through GitHub.
  // Read the SoftEther VPN Patch Acceptance Policy in advance:
  // http://www.softether.org/5-download/src/9.patch
  // 
  // 
  // DEAR SECURITY EXPERTS
  // ---------------------
  // 
  // If you find a bug or a security vulnerability please kindly inform us
  // about the problem immediately so that we can fix the security problem
  // to protect a lot of users around the world as soon as possible.
  // 
  // Our e-mail address for security reports is:
  // softether-vpn-security [at] softether.org
  // 
  // Please note that the above e-mail address is not a technical support
  // inquiry address. If you need technical assistance, please visit
  // http://www.softether.org/ and ask your question on the users forum.
  // 
  // Thank you for your cooperation.
  // 
  // 
  // NO MEMORY OR RESOURCE LEAKS
  // ---------------------------
  // 
  // The memory-leaks and resource-leaks verification under the stress
  // test has been passed before release this source code.
  
  
  // VLanWin32.h
  // Header of VLanWin32.c
  
  #ifndef	VLANWIN32_H
  #define	VLANWIN32_H
  
  // Routing table tracking timer
  #define	TRACKING_INTERVAL_INITIAL		444		// Initial
  #define	TRACKING_INTERVAL_ADD			444		// Adding value
  #define	TRACKING_INTERVAL_MAX			12345	// Maximum value
  #define	TRACKING_INTERVAL_MAX_RC		87654	// Maximum value (OS which change detection mechanism enabled)
  
  
  typedef void *HANDLE;
  
  // Routing tracking state machine
  struct ROUTE_TRACKING
  {
  	UINT VLanInterfaceId;
  	ROUTE_ENTRY *RouteToServer;
  	bool RouteToServerAlreadyExists;
  	ROUTE_ENTRY *DefaultGatewayByVLan;
  	ROUTE_ENTRY *VistaDefaultGateway1, *VistaDefaultGateway2, *VistaOldDefaultGatewayByVLan;
  	ROUTE_ENTRY *RouteToDefaultDns;
  	ROUTE_ENTRY *RouteToEight;
  	ROUTE_ENTRY *RouteToNatTServer;
  	ROUTE_ENTRY *RouteToRealServerGlobal;
  	UINT64 NextTrackingTime;
  	UINT64 NextTrackingTimeAdd;
  	UINT64 NextRouteChangeCheckTime;
  	UINT LastRoutingTableHash;
  	QUEUE *DeletedDefaultGateway;
  	UINT OldDefaultGatewayMetric;
  	IP OldDnsServer;
  	bool VistaAndUsingPPP;
  	ROUTE_CHANGE *RouteChange;
  };
  
  // VLAN structure
  struct VLAN
  {
  	volatile bool Halt;			// Halting flag
  	bool Win9xMode;				// Windows 9x
  	char *InstanceName;			// Instance name
  	char *DeviceNameWin32;		// Win32 device name
  	char *EventNameWin32;		// Win32 event name
  	HANDLE Handle;				// Device driver file
  	HANDLE Event;				// Handle of the event
  	void *GetBuffer;			// Sent packet capturing buffer
  	UINT CurrentPacketCount;	// Packet number to be read next
  	void *PutBuffer;			// Buffer for writing received packet
  	ROUTE_TRACKING *RouteState;	// Routing tracking state machine
  };
  
  // Instance list
  struct INSTANCE_LIST
  {
  	UINT NumInstance;
  	char **InstanceName;
  };
  
  
  // Function prototype
  VLAN *NewVLan(char *instance_name, VLAN_PARAM *param);
  void FreeVLan(VLAN *v);
  CANCEL *VLanGetCancel(VLAN *v);
  bool VLanGetNextPacket(VLAN *v, void **buf, UINT *size);
  bool VLanGetPacketsFromDriver(VLAN *v);
  bool VLanPutPacketsToDriver(VLAN *v);
  bool VLanPutPacket(VLAN *v, void *buf, UINT size);
  
  PACKET_ADAPTER *VLanGetPacketAdapter();
  bool VLanPaInit(SESSION *s);
  CANCEL *VLanPaGetCancel(SESSION *s);
  UINT VLanPaGetNextPacket(SESSION *s, void **data);
  bool VLanPaPutPacket(SESSION *s, void *data, UINT size);
  void VLanPaFree(SESSION *s);
  
  INSTANCE_LIST *GetInstanceList();
  void FreeInstanceList(INSTANCE_LIST *n);
  UINT GetInstanceId(char *name);
  
  void RouteTrackingStart(SESSION *s);
  void RouteTrackingStop(SESSION *s, ROUTE_TRACKING *t);
  void RouteTrackingMain(SESSION *s);
  void Win32ReleaseAllDhcp9x(bool wait);
  
  void Win32GetWinVer(RPC_WINVER *v);
  
  #endif	// VLANWIN32_H
  