C#-完美實現(xiàn)VPN控制

C#

完美實現(xiàn)VPN控制

因為工作需要，需要用程序來控制VPN代理，在google搜了搜，還有不少朋友有同樣的需求，但是目前在網(wǎng)上搜索到的解決方案，都還遺留了一些問題。只好自己手動把方案補齊了一下，談不上原創(chuàng)，大牛們飄過就行。

先談?wù)勛约旱男枨蟀?，就是針對如圖示中的VPN連接，咱們至少需要以下四個基本功能

1.新建一個VPN

2.修改指定名字VPN的主機IP地址

3.監(jiān)視當(dāng)前連接狀態(tài)

4.刪除指定名稱的VPN直接上代碼吧，這里面引用了【DotRas.dll】大家可以到官網(wǎng)/

下載usingSystem;usingSystem.Collections.Generic;usingSystem.Text;usingSystem.Diagnostics;usingDotRas;usingSystem.Text.RegularExpressions;namespaceAutoPersonalSubmit{publicclassVPNHelper{//系統(tǒng)路徑C:\windows\system32\privatestaticstringWinDir=Environment.GetFolderPath(Environment.SpecialFolder.System)+@"\";//rasdial.exeprivatestaticstringRasDialFileName="rasdial.exe";//VPN路徑C:\windows\system32\rasdial.exeprivatestaticstringVPNPROCESS=WinDir+RasDialFileName;//VPN地址publicstringIPToPing{get;set;}//VPN名稱publicstringVPNName{get;set;}//VPN用戶名publicstringUserName{get;set;}//VPN密碼publicstringPassWord{get;set;}publicVPNHelper(){}///<summary>///帶參構(gòu)造函數(shù)///</summary>///<paramname="_vpnIP"></param>///<paramname="_vpnName"></param>///<paramname="_userName"></param>///<paramname="_passWord"></param>publicVPNHelper(string_vpnIP,string_vpnName,string_userName,string_passWord){this.IPToPing=_vpnIP;this.VPNName=_vpnName;this.UserName=_userName;this.PassWord=_passWord;}///<summary>///嘗試連接VPN(默認(rèn)VPN)///</summary>///<returns></returns>publicvoidTryConnectVPN(){this.TryConnectVPN(this.VPNName,this.UserName,this.PassWord);}///<summary>///嘗試斷開連接(默認(rèn)VPN)///</summary>///<returns></returns>publicvoidTryDisConnectVPN(){this.TryDisConnectVPN(this.VPNName);}///<summary>///創(chuàng)建或更新一個默認(rèn)的VPN連接///</summary>publicvoidCreateOrUpdateVPN(){this.CreateOrUpdateVPN(this.VPNName,this.IPToPing);}///<summary>///嘗試刪除連接(默認(rèn)VPN)///</summary>///<returns></returns>publicvoidTryDeleteVPN(){this.TryDeleteVPN(this.VPNName);}///<summary>///嘗試連接VPN(指定VPN名稱，用戶名，密碼)///</summary>///<returns></returns>publicvoidTryConnectVPN(stringconnVpnName,stringconnUserName,stringconnPassWord){try{stringargs=string.Format("{0}{1}{2}",connVpnName,connUserName,connUserName);ProcessStartInfomyProcess=newProcessStartInfo(VPNPROCESS,args);myProcess.CreateNoWindow=true;myProcess.UseShellExecute=false;Process.Start(myProcess);}catch(ExceptionEx){Debug.Assert(false,Ex.ToString());}}///<summary>///嘗試斷開VPN(指定VPN名稱)///</summary>///<returns></returns>publicvoidTryDisConnectVPN(stringdisConnVpnName){try{stringargs=string.Format(@"{0}/d",disConnVpnName);ProcessStartInfomyProcess=newProcessStartInfo(VPNPROCESS,args);myProcess.CreateNoWindow=true;myProcess.UseShellExecute=false;Process.Start(myProcess);}catch(ExceptionEx){Debug.Assert(false,Ex.ToString());}}///<summary>///創(chuàng)建或更新一個VPN連接(指定VPN名稱，及IP)///</summary>publicvoidCreateOrUpdateVPN(stringupdateVPNname,stringupdateVPNip){RasDialerdialer=newRasDialer();RasPhoneBookallUsersPhoneBook=newRasPhoneBook();allUsersPhoneBook.Open();//如果已經(jīng)該名稱的VPN已經(jīng)存在，則更新這個VPN服務(wù)器地址if(allUsersPhoneBook.Entries.Contains(updateVPNname)){allUsersPhoneBook.Entries[updateVPNname].PhoneNumber=updateVPNip;//不管當(dāng)前VPN是否連接，服務(wù)器地址的更新總能成功，如果正在連接，則需要VPN重啟后才能起作用allUsersPhoneBook.Entries[updateVPNname].Update();}//創(chuàng)建一個新VPNelse{RasEntryentry=RasEntry.CreateVpnEntry(updateVPNname,updateVPNip,RasVpnStrategy.PptpFirst,RasDevice.GetDeviceByName("(PPTP)",RasDeviceType.Vpn));allUsersPhoneBook.Entries.Add(entry);dialer.EntryName=updateVPNname;dialer.PhoneBookPath=RasPhoneBook.GetPhoneBookPath(RasPhoneBookType.AllUsers);}}///<summary>///刪除指定名稱的VPN///如果VPN正在運行，一樣會在電話本里刪除，但是不會斷開連接，所以，最好是先斷開連接，再進行刪除操作///</summary>///<paramname="delVpnName"></param>publicvoidTryDeleteVPN(stringdelVpnName){RasDialerdialer=newRasDialer();RasPhoneBookallUsersPhoneBook=newRasPhoneBook();allUsersPhoneBook.Open();if(allUsersPhoneBook.Entries.Contains(delVpnName)){allUsersPhoneBook.Entries.Remove(delVpnName);}}///<summary>///獲取當(dāng)前正在連接中的VPN名稱///</summary>publicList<string>GetCurrentConnectingVPNNames(){List<string>ConnectingVPNList=newList<string>();ProcessproIP=newProcess();proIP.StartInfo.FileName="cmd.exe";proIP.StartInfo.UseShellExecute=false;proIP.StartInfo.RedirectStandardInput=true;proIP.StartInfo.RedirectStandardOutput=true;proIP.StartInfo.RedirectStandardError=true;proIP.StartInfo.CreateNoWindow=true;//不顯示cmd窗口proIP.Start();proIP.StandardInput.WriteLine(RasDialFileName);proIP.StandardInput.WriteLine("exit");//命令行運行結(jié)果stringstrResult=proIP.StandardOutput.ReadToEnd();proIP.Close();Regexregger=newRegex("(?<=已連接\r\n)(.*\n)*(?=命令已完成)",RegexOptions.Multiline);//如果匹配，則說有正在連接的VPNif(regger.Is