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// SoftEther VPN Source Code
// Cedar Communication Module
//
// SoftEther VPN Server, Client and Bridge are free software under GPLv2.
//
// Copyright (c) 2012-2016 Daiyuu Nobori.
// Copyright (c) 2012-2016 SoftEther VPN Project, University of Tsukuba, Japan.
// Copyright (c) 2012-2016 SoftEther Corporation.
//
// All Rights Reserved.
//
// http://www.softether.org/
//
// Author: Daiyuu Nobori
// 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.
// Link.h
// Header of Link.c
#ifndef LINK_H
#define LINK_H
struct LINK
{
bool Started; // Running flag
volatile bool Halting; // Halting flag
bool Offline; // Offline
bool NoOnline; // Do not set to online flag
REF *ref; // Reference counter
LOCK *lock; // Lock
CEDAR *Cedar; // Cedar
HUB *Hub; // HUB
SESSION *ClientSession; // Client session
SESSION *ServerSession; // Server session
CLIENT_OPTION *Option; // Client Option
CLIENT_AUTH *Auth; // Authentication data
POLICY *Policy; // Policy
QUEUE *SendPacketQueue; // Transmission packet queue
UINT CurrentSendPacketQueueSize; // Current send packet queue size
UINT LastError; // Last error
bool CheckServerCert; // To check the server certificate
X *ServerCert; // Server certificate
bool LockFlag; // Lock flag
bool *StopAllLinkFlag; // Stop all link flag
UINT LastServerConnectionReceivedBlocksNum; // Last server connection recv queue num
UINT Flag1;
};
PACKET_ADAPTER *LinkGetPacketAdapter();
bool LinkPaInit(SESSION *s);
CANCEL *LinkPaGetCancel(SESSION *s);
UINT LinkPaGetNextPacket(SESSION *s, void **data);
bool LinkPaPutPacket(SESSION *s, void *data, UINT size);
void LinkPaFree(SESSION *s);
void LinkServerSessionThread(THREAD *t, void *param);
LINK *NewLink(CEDAR *cedar, HUB *hub, CLIENT_OPTION *option, CLIENT_AUTH *auth, POLICY *policy);
void StartLink(LINK *k);
void StopLink(LINK *k);
void DelLink(HUB *hub, LINK *k);
void LockLink(LINK *k);
void UnlockLink(LINK *k);
void StopAllLink(HUB *h);
void StartAllLink(HUB *h);
void SetLinkOnline(LINK *k);
void SetLinkOffline(LINK *k);
void ReleaseLink(LINK *k);
void CleanupLink(LINK *k);
void ReleaseAllLink(HUB *h);
void NormalizeLinkPolicy(POLICY *p);
#endif // LINK_H
// Developed by SoftEther VPN Project at University of Tsukuba in Japan.
// Department of Computer Science has dozens of overly-enthusiastic geeks.
// Join us: http://www.tsukuba.ac.jp/english/admission/
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