v4.03-9408-rtm

src/Cedar/VLanUnix.h

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+// SoftEther VPN Source Code
+// Cedar Communication Module
+// 
+// SoftEther VPN Server, Client and Bridge are free software under GPLv2.
+// 
+// Copyright (c) 2012-2014 Daiyuu Nobori.
+// Copyright (c) 2012-2014 SoftEther VPN Project, University of Tsukuba, Japan.
+// Copyright (c) 2012-2014 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 IT IN OTHER COUNTRIES. IMPORTING THIS
+// SOFTWARE INTO OTHER COUNTRIES IS AT YOUR OWN RISK. SOME COUNTRIES
+// PROHIBIT ENCRYPTED COMMUNICATIONS. USING THIS SOFTWARE IN OTHER
+// COUNTRIES MIGHT BE RESTRICTED.
+// 
+// 
+// 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.
+
+
+// VLanUnix.h
+// Header of VLanUnix.c
+
+#ifndef	VLANUNIX_H
+#define	VLANUNIX_H
+
+// Constant
+#define	TAP_READ_BUF_SIZE			1600
+
+#ifndef	NO_VLAN
+
+// VLAN structure
+struct VLAN
+{
+	volatile bool Halt;			// Halt flag
+	char *InstanceName;			// Instance name
+	int fd;						// File
+};
+
+// Function prototype
+VLAN *NewVLan(char *instance_name, VLAN_PARAM *param);
+VLAN *NewTap(char *name, char *mac_address);
+void FreeVLan(VLAN *v);
+CANCEL *VLanGetCancel(VLAN *v);
+bool VLanGetNextPacket(VLAN *v, void **buf, UINT *size);
+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);
+
+#else	// NO_VLAN
+
+#define	VLanGetPacketAdapter	NullGetPacketAdapter
+
+#endif	// NO_VLAN
+
+struct UNIX_VLAN_LIST
+{
+	char Name[MAX_SIZE];		// Device name
+	int fd;						// fd
+};
+
+int UnixCreateTapDevice(char *name, UCHAR *mac_address);
+int UnixCreateTapDeviceEx(char *name, char *prefix, UCHAR *mac_address);
+void UnixCloseTapDevice(int fd);
+void UnixVLanInit();
+void UnixVLanFree();
+bool UnixVLanCreate(char *name, UCHAR *mac_address);
+bool UnixVLanCreateEx(char *name, char *prefix, UCHAR *mac_address);
+TOKEN_LIST *UnixVLanEnum();
+void UnixVLanDelete(char *name);
+int UnixVLanGet(char *name);
+int UnixCompareVLan(void *p1, void *p2);
+
+#endif	// VLANUNIX_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/