/// <summary>
/// Connect to the given host on the port asynchronously
/// </summary>
/// <param name="host">The host to connect to</param>
/// <param name="port">The port to use for communication</param>
public async Task ConnectAsync(string host, int port)
{
// Don't reconnect
if (_state == LDAPConnectionState.Connected)
{
return;
}
try
{
await _conn.ConnectAsync(host, port);
if (_sslEnabled)
{
_raw = _conn.GetStream();
var options = new SslClientAuthenticationOptions
{
TargetHost = host,
EnabledSslProtocols = SslProtocols.Tls12 | SslProtocols.Tls11 | SslProtocols.Tls,
ClientCertificates = null,
LocalCertificateSelectionCallback = null,
CertificateRevocationCheckMode = X509RevocationMode.NoCheck,
RemoteCertificateValidationCallback = (sender, cert, chain, errors) =>
{
// Accept all...bad idea
return(true);
},
ApplicationProtocols = new List <SslApplicationProtocol>()
{
SslApplicationProtocol.Http11
},
EncryptionPolicy = EncryptionPolicy.RequireEncryption,
};
_transport = new SslStream(_raw);
await(_transport as SslStream).AuthenticateAsClientAsync(options, CancellationToken.None);
Reader = new LDAPReader(_transport);
Writer = new LDAPWriter(_transport);
}
else
{
_raw = _conn.GetStream();
_transport = null;
Reader = new LDAPReader(_raw);
Writer = new LDAPWriter(_raw);
}
// Create the pump and start it
_pump = new MessagePump(Reader, _raw, _log);
_pump.Start();
_state = LDAPConnectionState.Connected;
}
catch (Exception e)
{
_state = LDAPConnectionState.Faulted;
throw new LDAPException("Failed to connect", e);
}
}
void Dispose(bool disposing)
{
if (disposing && !_isDisposed)
{
if (_pump != null)
{
_pump.Dispose();
}
if (_transport != null)
{
_transport.Flush();
_transport.Close();
}
else if (_raw != null)
{
_raw.Flush();
_raw.Close();
}
if (_conn != null)
{
_conn.Close();
}
_transport = null;
_raw = null;
_conn = null;
_pump = null;
// Notify GC to ignore
GC.SuppressFinalize(this);
}
_isDisposed = true;
}