mirror of
https://github.com/SoftEtherVPN/SoftEtherVPN.git
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175 lines
7.4 KiB
C
175 lines
7.4 KiB
C
// SoftEther VPN Source Code - Developer Edition Master Branch
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// Cedar Communication Module
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//
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// SoftEther VPN Server, Client and Bridge are free software under GPLv2.
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//
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// Copyright (c) Daiyuu Nobori.
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// Copyright (c) SoftEther VPN Project, University of Tsukuba, Japan.
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// Copyright (c) SoftEther Corporation.
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//
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// All Rights Reserved.
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//
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// http://www.softether.org/
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//
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// Author: Daiyuu Nobori, Ph.D.
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// Comments: Tetsuo Sugiyama, Ph.D.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// version 2 as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License version 2
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// THE LICENSE AGREEMENT IS ATTACHED ON THE SOURCE-CODE PACKAGE
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// AS "LICENSE.TXT" FILE. READ THE TEXT FILE IN ADVANCE TO USE THE SOFTWARE.
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//
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//
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// THIS SOFTWARE IS DEVELOPED IN JAPAN, AND DISTRIBUTED FROM JAPAN,
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// UNDER JAPANESE LAWS. YOU MUST AGREE IN ADVANCE TO USE, COPY, MODIFY,
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// MERGE, PUBLISH, DISTRIBUTE, SUBLICENSE, AND/OR SELL COPIES OF THIS
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// SOFTWARE, THAT ANY JURIDICAL DISPUTES WHICH ARE CONCERNED TO THIS
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// SOFTWARE OR ITS CONTENTS, AGAINST US (SOFTETHER PROJECT, SOFTETHER
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// CORPORATION, DAIYUU NOBORI OR OTHER SUPPLIERS), OR ANY JURIDICAL
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// DISPUTES AGAINST US WHICH ARE CAUSED BY ANY KIND OF USING, COPYING,
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// MODIFYING, MERGING, PUBLISHING, DISTRIBUTING, SUBLICENSING, AND/OR
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// SELLING COPIES OF THIS SOFTWARE SHALL BE REGARDED AS BE CONSTRUED AND
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// CONTROLLED BY JAPANESE LAWS, AND YOU MUST FURTHER CONSENT TO
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// EXCLUSIVE JURISDICTION AND VENUE IN THE COURTS SITTING IN TOKYO,
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// JAPAN. YOU MUST WAIVE ALL DEFENSES OF LACK OF PERSONAL JURISDICTION
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// AND FORUM NON CONVENIENS. PROCESS MAY BE SERVED ON EITHER PARTY IN
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// THE MANNER AUTHORIZED BY APPLICABLE LAW OR COURT RULE.
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//
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// USE ONLY IN JAPAN. DO NOT USE THIS SOFTWARE IN ANOTHER COUNTRY UNLESS
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// YOU HAVE A CONFIRMATION THAT THIS SOFTWARE DOES NOT VIOLATE ANY
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// CRIMINAL LAWS OR CIVIL RIGHTS IN THAT PARTICULAR COUNTRY. USING THIS
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// SOFTWARE IN OTHER COUNTRIES IS COMPLETELY AT YOUR OWN RISK. THE
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// SOFTETHER VPN PROJECT HAS DEVELOPED AND DISTRIBUTED THIS SOFTWARE TO
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// COMPLY ONLY WITH THE JAPANESE LAWS AND EXISTING CIVIL RIGHTS INCLUDING
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// PATENTS WHICH ARE SUBJECTS APPLY IN JAPAN. OTHER COUNTRIES' LAWS OR
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// CIVIL RIGHTS ARE NONE OF OUR CONCERNS NOR RESPONSIBILITIES. WE HAVE
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// NEVER INVESTIGATED ANY CRIMINAL REGULATIONS, CIVIL LAWS OR
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// INTELLECTUAL PROPERTY RIGHTS INCLUDING PATENTS IN ANY OF OTHER 200+
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// COUNTRIES AND TERRITORIES. BY NATURE, THERE ARE 200+ REGIONS IN THE
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// WORLD, WITH DIFFERENT LAWS. IT IS IMPOSSIBLE TO VERIFY EVERY
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// COUNTRIES' LAWS, REGULATIONS AND CIVIL RIGHTS TO MAKE THE SOFTWARE
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// COMPLY WITH ALL COUNTRIES' LAWS BY THE PROJECT. EVEN IF YOU WILL BE
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// SUED BY A PRIVATE ENTITY OR BE DAMAGED BY A PUBLIC SERVANT IN YOUR
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// COUNTRY, THE DEVELOPERS OF THIS SOFTWARE WILL NEVER BE LIABLE TO
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// RECOVER OR COMPENSATE SUCH DAMAGES, CRIMINAL OR CIVIL
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// RESPONSIBILITIES. NOTE THAT THIS LINE IS NOT LICENSE RESTRICTION BUT
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// JUST A STATEMENT FOR WARNING AND DISCLAIMER.
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//
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//
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// SOURCE CODE CONTRIBUTION
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// ------------------------
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//
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// Your contribution to SoftEther VPN Project is much appreciated.
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// Please send patches to us through GitHub.
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// Read the SoftEther VPN Patch Acceptance Policy in advance:
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// http://www.softether.org/5-download/src/9.patch
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//
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//
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// DEAR SECURITY EXPERTS
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// ---------------------
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//
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// If you find a bug or a security vulnerability please kindly inform us
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// about the problem immediately so that we can fix the security problem
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// to protect a lot of users around the world as soon as possible.
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//
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// Our e-mail address for security reports is:
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// softether-vpn-security [at] softether.org
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//
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// Please note that the above e-mail address is not a technical support
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// inquiry address. If you need technical assistance, please visit
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// http://www.softether.org/ and ask your question on the users forum.
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//
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// Thank you for your cooperation.
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//
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//
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// NO MEMORY OR RESOURCE LEAKS
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// ---------------------------
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//
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// The memory-leaks and resource-leaks verification under the stress
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// test has been passed before release this source code.
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// Proto_EtherIP.h
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// Header of Proto_EtherIP.c
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#ifndef PROTO_ETHERIP_H
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#define PROTO_ETHERIP_H
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//// Macro
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//// Constants
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#define ETHERIP_VPN_CONNECT_RETRY_INTERVAL (15 * 1000) // VPN connection retry interval
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#define ETHERIP_CLIENT_NAME "EtherIP Client"
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#define ETHERIP_POSTFIX "ETHERIP"
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#define ETHERIP_L2TPV3_CLIENT_NAME "L2TPv3 Client"
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#define ETHERIP_L2TPV3_CLIENT_NAME_EX "L2TPv3 Client - %s"
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#define ETHERIP_L2TPV3_POSTFIX "L2TPV3"
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//// Type
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// EtherIP server
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struct ETHERIP_SERVER
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{
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REF *Ref;
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CEDAR *Cedar;
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IPSEC_SERVER *IPsec;
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LOCK *Lock;
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UINT Id;
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IKE_SERVER *Ike;
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UINT64 Now; // Current time
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INTERRUPT_MANAGER *Interrupts; // Interrupt manager
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SOCK_EVENT *SockEvent; // SockEvent
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char CryptName[MAX_SIZE]; // Cipher algorithm name
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LIST *SendPacketList; // Transmission packet list
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UINT64 LastConnectFailedTick; // Time that it fails to connect at the last
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IPC *Ipc; // IPC
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THREAD *IpcConnectThread; // IPC connection thread
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IPSEC_SERVICES CurrentIPSecServiceSetting; // Copy of the current IPsec service settings
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IP ClientIP, ServerIP;
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UINT ClientPort, ServerPort;
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bool IsTunnelMode; // Whether the IPsec is in the tunnel mode
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UINT CryptBlockSize; // Encryption block size of IPsec
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char ClientId[MAX_SIZE]; // Client ID has been presented by the IPsec connection
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UINT LastEtherIPSettingVerNo; // Version number of EtherIP settings last checked
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ETHERIP_ID CurrentEtherIPIdSetting; // Current EtherIP ID settings
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bool L2TPv3; // L2TPv3 mode
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char VendorName[MAX_SIZE]; // Vendor name
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};
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//// Function prototype
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ETHERIP_SERVER *NewEtherIPServer(CEDAR *cedar, IPSEC_SERVER *ipsec, IKE_SERVER *ike,
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IP *client_ip, UINT client_port, IP *server_ip, UINT server_port, char *crypt_name,
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bool is_tunnel_mode, UINT crypt_block_size,
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char *client_id, UINT id);
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void ReleaseEtherIPServer(ETHERIP_SERVER *s);
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void CleanupEtherIPServer(ETHERIP_SERVER *s);
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void SetEtherIPServerSockEvent(ETHERIP_SERVER *s, SOCK_EVENT *e);
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void EtherIPProcInterrupts(ETHERIP_SERVER *s);
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void EtherIPProcRecvPackets(ETHERIP_SERVER *s, BLOCK *b);
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void EtherIPIpcConnectThread(THREAD *t, void *p);
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UINT CalcEtherIPTcpMss(ETHERIP_SERVER *s);
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#endif // PROTO_ETHERIP_H
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