/// <summary>
/// Switches the VPN server to a different endpoint.
/// </summary>
/// <param name="endpoint">Endpoint (VPN server) IP address.</param>
/// <param name="publicKey">Public key of remote VPN server.</param>
/// <returns>True if successfully sent the switch command.</returns>
public bool SwitchServer(string endpoint, string publicKey)
{
NamedPipeClientStream tunnelPipe = null;
try
{
using (tunnelPipe = ConnectWGTunnelNamedPipe())
{
if (tunnelPipe == null)
{
return(false);
}
var serverSwitchRequest = new WireGuard.IPCMessage(WireGuard.IPCCommand.WgSet);
serverSwitchRequest.AddAttribute("replace_peers", "true");
serverSwitchRequest.AddAttribute("public_key", BitConverter.ToString(Convert.FromBase64String(publicKey)).Replace("-", string.Empty).ToLower());
serverSwitchRequest.AddAttribute("endpoint", endpoint);
var allowedIPs = ProductConstants.AllowedIPs.Split(',').Select(ip => ip.Trim()).ToList();
allowedIPs.ForEach(ip => serverSwitchRequest.AddAttribute("allowed_ip", ip));
IPC.WriteToPipe(tunnelPipe, serverSwitchRequest);
var response = IPC.ReadFromPipe(tunnelPipe);
var errno = response["errno"].FirstOrDefault();
if (errno == null || errno != "0")
{
throw new Exception("Set request UAPI error " + errno);
}
}
}
catch (Exception e)
{
ErrorHandling.ErrorHandler.Handle(e, ErrorHandling.LogLevel.Error);
return(false);
}
finally
{
if (tunnelPipe != null && tunnelPipe.IsConnected)
{
tunnelPipe.Close();
}
}
return(true);
}
/// <summary>
/// Initializes a new instance of the <see cref="Tunnel"/> class.
/// </summary>
public Tunnel()
{
brokerIPC = new IPC(new NamedPipeClientStream(".", ProductConstants.InternalAppName, direction: PipeDirection.InOut, options: PipeOptions.Asynchronous));
brokerIPC.StartClientListenerThread();
}