/// <summary>
/// Enable transport encryption
/// </summary>
protected void EnableClientTransportEncryption(string server)
{
// Check if transport encryption is applied
if (Transport.InnerStream is SslStream)
{
return;
}
Log("Enabling client transport encryption...");
// Wrap TDS stream with auto TDS stream
AutoTDSStream tds = new AutoTDSStream(Transport, false);
// We want to wrap each TLS message with PreLogin
tds.OutgoingMessageType = TDSMessageType.PreLogin;
// Create multiplexer stream to be able to remove TDS from under SSL
PlaceholderStream multiplexer = new PlaceholderStream(tds, false);
// Wrap multiplexer stream with SSL stream
SslStream ssl = new SslStream(multiplexer, true, new RemoteCertificateValidationCallback(_ValidateServerCertificate));
// Secure the channel
ssl.AuthenticateAsClient(server);
// Replace TDS stream with raw transport stream in multiplexer
multiplexer.InnerStream = Transport.InnerStream;
// Upgrade transport stream to SSL
Transport.InnerStream = ssl;
Log("Client transport encryption enabled");
}
/// <summary>
/// Enable transport encryption
/// </summary>
protected void EnableClientTransportEncryption(string server)
{
// Check if transport encryption is applied
if (Transport.InnerStream is SslStream)
{
return;
}
Log("Enabling client transport encryption...");
// Wrap TDS stream with auto TDS stream
AutoTDSStream tds = new AutoTDSStream(Transport, false);
// We want to wrap each TLS message with PreLogin
tds.OutgoingMessageType = TDSMessageType.PreLogin;
// Create multiplexer stream to be able to remove TDS from under SSL
PlaceholderStream multiplexer = new PlaceholderStream(tds, false);
// Wrap multiplexer stream with SSL stream
SslStream ssl = new SslStream(multiplexer, true, new RemoteCertificateValidationCallback(_ValidateServerCertificate));
// Secure the channel
ssl.AuthenticateAsClient(server);
// Replace TDS stream with raw transport stream in multiplexer
multiplexer.InnerStream = Transport.InnerStream;
// Upgrade transport stream to SSL
Transport.InnerStream = ssl;
Log("Client transport encryption enabled");
}
