private void ConnectVpn()
{
// Get the rest of the configuration data from the Manifest
//first create the VPN
RasPhoneBook rasPhoneBook = new RasPhoneBook();
rasPhoneBook.Open(RasPhoneBook.GetPhoneBookPath(RasPhoneBookType.User));
if (!rasPhoneBook.Entries.Contains(_vpnConfiguration.Name))
{
ExecutionServices.SystemTrace.LogInfo($"Creating VPN {_vpnConfiguration.Name} {_vpnConfiguration.ServerIp}");
var currentVpn = CreateVpn(_vpnConfiguration.Name, _vpnConfiguration.ServerIp);
rasPhoneBook.Entries.Add(currentVpn);
}
rasPhoneBook.Dispose();
RasDialer rasDialer = new RasDialer
{
EntryName = _vpnConfiguration.Name,
PhoneBookPath = RasPhoneBook.GetPhoneBookPath(RasPhoneBookType.User),
Credentials = new System.Net.NetworkCredential()
{
UserName = _vpnConfiguration.UserName,
Password = _vpnConfiguration.Password,
Domain = _vpnConfiguration.Domain
}
};
try
{
if (rasDialer.IsBusy)
{
rasDialer.DialAsyncCancel();
}
rasDialer.Dial();
}
catch (InvalidOperationException ioExcep)
{
ExecutionServices.SystemTrace.LogDebug(ioExcep.Message);
log_textBox.Text += @"Unable to connect to VPN" + Environment.NewLine;
throw;
}
catch (RasException rasException)
{
ExecutionServices.SystemTrace.LogDebug(rasException.Message);
log_textBox.Text += @"Unable to connect to VPN" + Environment.NewLine;
throw;
}
vpnname_textBox.Text = _vpnConfiguration.Name;
status_textBox.Text = @"Connected";
log_textBox.Text += @"Connected to VPN" + Environment.NewLine;
}
/// <summary>
/// 创建或更新一个VPN连接(指定VPN名称，及IP)
/// </summary>
public void CreateOrUpdateVPN(string updateVPNname, string updateVPNip)
{
try
{
switch (TunnelType.ToLower())
{
case "pptp":
VpnStrategy = RasVpnStrategy.PptpOnly;
break;
case "l2tp":
VpnStrategy = RasVpnStrategy.L2tpOnly;
break;
case "sstp":
VpnStrategy = RasVpnStrategy.SstpOnly;
break;
case "ikev2":
VpnStrategy = RasVpnStrategy.IkeV2Only;
break;
case "automatic":
VpnStrategy = RasVpnStrategy.Default;
break;
default:
VpnStrategy = RasVpnStrategy.PptpOnly;
break;
}
switch (EncryptionLevel.ToLower())
{
case "optional":
EncryptionType = RasEncryptionType.Optional;
break;
case "noencryption":
EncryptionType = RasEncryptionType.None;
break;
case "required":
EncryptionType = RasEncryptionType.Require;
break;
case "maximum":
EncryptionType = RasEncryptionType.RequireMax;
break;
default:
EncryptionType = RasEncryptionType.None;
break;
}
RasPhoneBook allUsersPhoneBook = new RasPhoneBook();
allUsersPhoneBook.Open(RasPhoneBook.GetPhoneBookPath(RasPhoneBookType.AllUsers));
// 如果已经该名称的VPN已经存在，则更新这个VPN服务器地址
if (allUsersPhoneBook.Entries.Contains(updateVPNname))
{
allUsersPhoneBook.Entries[updateVPNname].PhoneNumber = updateVPNip;
allUsersPhoneBook.Entries[updateVPNname].EncryptionType = EncryptionType;
allUsersPhoneBook.Entries[updateVPNname].VpnStrategy = VpnStrategy;
allUsersPhoneBook.Entries[updateVPNname].Options.RemoteDefaultGateway = SplitTunneling;
allUsersPhoneBook.Entries[updateVPNname].Options.IPv6RemoteDefaultGateway = SplitTunneling;
switch (AuthenticationMethod.ToLower())
{
case "pap":
allUsersPhoneBook.Entries[updateVPNname].Options.RequirePap = true;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireEap = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireChap = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireMSChap2 = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireEncryptedPassword = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireDataEncryption = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireMSEncryptedPassword = false;
break;
case "eap":
allUsersPhoneBook.Entries[updateVPNname].Options.RequireEap = true;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireChap = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequirePap = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireMSChap2 = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireEncryptedPassword = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireDataEncryption = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireMSEncryptedPassword = false;
break;
case "chap":
allUsersPhoneBook.Entries[updateVPNname].Options.RequireChap = true;
allUsersPhoneBook.Entries[updateVPNname].Options.RequirePap = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireEap = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireMSChap2 = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireEncryptedPassword = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireDataEncryption = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireMSEncryptedPassword = false;
break;
case "mschapv2":
allUsersPhoneBook.Entries[updateVPNname].Options.RequireMSChap2 = true;
allUsersPhoneBook.Entries[updateVPNname].Options.RequirePap = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireEap = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireChap = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireEncryptedPassword = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireDataEncryption = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireMSEncryptedPassword = false;
break;
default:
allUsersPhoneBook.Entries[updateVPNname].Options.RequirePap = true;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireEap = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireChap = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireMSChap2 = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireEncryptedPassword = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireDataEncryption = false;
allUsersPhoneBook.Entries[updateVPNname].Options.RequireMSEncryptedPassword = false;
break;
}
}
// 创建一个新VPN
else
{
RasEntry entry = RasEntry.CreateVpnEntry(updateVPNname, updateVPNip, VpnStrategy, RasDevice.GetDevices().First(o => o.DeviceType == RasDeviceType.Vpn));
entry.EncryptionType = EncryptionType;
entry.Options.RemoteDefaultGateway = SplitTunneling;
entry.Options.IPv6RemoteDefaultGateway = SplitTunneling;
switch (AuthenticationMethod.ToLower())
{
case "pap":
entry.Options.RequirePap = true;
entry.Options.RequireEap = false;
entry.Options.RequireChap = false;
entry.Options.RequireMSChap2 = false;
entry.Options.RequireEncryptedPassword = false;
entry.Options.RequireDataEncryption = false;
entry.Options.RequireMSEncryptedPassword = false;
break;
case "eap":
entry.Options.RequireEap = true;
entry.Options.RequireChap = false;
entry.Options.RequirePap = false;
entry.Options.RequireMSChap2 = false;
entry.Options.RequireEncryptedPassword = false;
entry.Options.RequireDataEncryption = false;
entry.Options.RequireMSEncryptedPassword = false;
break;
case "chap":
entry.Options.RequireChap = true;
entry.Options.RequirePap = false;
entry.Options.RequireEap = false;
entry.Options.RequireMSChap2 = false;
entry.Options.RequireEncryptedPassword = false;
entry.Options.RequireDataEncryption = false;
entry.Options.RequireMSEncryptedPassword = false;
break;
case "mschapv2":
entry.Options.RequireMSChap2 = true;
entry.Options.RequirePap = false;
entry.Options.RequireEap = false;
entry.Options.RequireChap = false;
entry.Options.RequireEncryptedPassword = false;
entry.Options.RequireDataEncryption = false;
entry.Options.RequireMSEncryptedPassword = false;
break;
default:
entry.Options.RequirePap = true;
entry.Options.RequireEap = false;
entry.Options.RequireChap = false;
entry.Options.RequireMSChap2 = false;
entry.Options.RequireEncryptedPassword = false;
entry.Options.RequireDataEncryption = false;
entry.Options.RequireMSEncryptedPassword = false;
break;
}
allUsersPhoneBook.Entries.Add(entry);
}
if (VpnStrategy == RasVpnStrategy.L2tpOnly)
{
allUsersPhoneBook.Entries[updateVPNname].Options.UsePreSharedKey = true;
allUsersPhoneBook.Entries[updateVPNname].UpdateCredentials(RasPreSharedKey.Client, L2tpPsk);
}
// 不管当前VPN是否连接，服务器地址的更新总能成功，如果正在连接，则需要VPN重启后才能起作用
allUsersPhoneBook.Entries[updateVPNname].Update();
allUsersPhoneBook.Dispose();
}
catch (Exception ex)
{
//LogUtil.Write("CreateOrUpdateVPN Error:" + ex);
}
}
