/// <summary>Sends client SASL negotiation for specialized encrypted handshake.</summary>
/// <param name="underlyingOut">connection output stream</param>
/// <param name="underlyingIn">connection input stream</param>
/// <param name="encryptionKey">for an encrypted SASL handshake</param>
/// <returns>new pair of streams, wrapped after SASL negotiation</returns>
/// <exception cref="System.IO.IOException">for any error</exception>
private IOStreamPair GetEncryptedStreams(OutputStream underlyingOut, InputStream
underlyingIn, DataEncryptionKey encryptionKey)
{
IDictionary <string, string> saslProps = DataTransferSaslUtil.CreateSaslPropertiesForEncryption
(encryptionKey.encryptionAlgorithm);
Log.Debug("Client using encryption algorithm {}", encryptionKey.encryptionAlgorithm
);
string userName = GetUserNameFromEncryptionKey(encryptionKey);
char[] password = DataTransferSaslUtil.EncryptionKeyToPassword(encryptionKey.encryptionKey
);
CallbackHandler callbackHandler = new SaslDataTransferClient.SaslClientCallbackHandler
(userName, password);
return(DoSaslHandshake(underlyingOut, underlyingIn, userName, saslProps, callbackHandler
));
}
/// <summary>Receives SASL negotiation for specialized encrypted handshake.</summary>
/// <param name="peer">connection peer</param>
/// <param name="underlyingOut">connection output stream</param>
/// <param name="underlyingIn">connection input stream</param>
/// <returns>new pair of streams, wrapped after SASL negotiation</returns>
/// <exception cref="System.IO.IOException">for any error</exception>
private IOStreamPair GetEncryptedStreams(Peer peer, OutputStream underlyingOut, InputStream
underlyingIn)
{
if (peer.HasSecureChannel() || dnConf.GetTrustedChannelResolver().IsTrusted(DataTransferSaslUtil.GetPeerAddress
(peer)))
{
return(new IOStreamPair(underlyingIn, underlyingOut));
}
IDictionary <string, string> saslProps = DataTransferSaslUtil.CreateSaslPropertiesForEncryption
(dnConf.GetEncryptionAlgorithm());
if (Log.IsDebugEnabled())
{
Log.Debug("Server using encryption algorithm " + dnConf.GetEncryptionAlgorithm());
}
CallbackHandler callbackHandler = new SaslDataTransferServer.SaslServerCallbackHandler
(new _PasswordFunction_172(this));
return(DoSaslHandshake(underlyingOut, underlyingIn, saslProps, callbackHandler));
}