public ServerAlertException(AlertDescription description) : base(description.ToString())
{
Description = description;
}
public ClientAlertException(AlertDescription description, string message = null)
: base(description.ToString() + (message != null ? ": " + message : ""))
{
Description = description;
ExtraInfo = message;
}
public ClientAlertException(AlertDescription description, string message = null)
: base(description.ToString() + (message != null ? ": " + message : ""))
{
Description = description;
ExtraInfo = message;
}
public ServerAlertException(AlertDescription description) : base(description.ToString())
{
Description = description;
}
protected SslHandshakeStatus ProcessAlert(RecordMessage message)
{
if (message.length != 2 || message.fragment.Length != 2)
{
throw new SslException(AlertDescription.RecordOverflow, "The alert message is invalid.");
}
try {
AlertLevel level = (AlertLevel)message.fragment[0];
AlertDescription description = (AlertDescription)message.fragment[1];
if (level == AlertLevel.Fatal && description == AlertDescription.NoApplicationProtocol)
{
throw new ALPNCantSelectProtocolException();
}
if (level == AlertLevel.Fatal)
{
throw new SslException(description, "The other side has sent a failure alert with code: " + description.ToString());
}
SslHandshakeStatus ret;
if (description == AlertDescription.CloseNotify)
{
if (m_State == HandshakeType.ShuttingDown) // true if we've already sent a shutdown notification
// close connection
{
ret = new SslHandshakeStatus(SslStatus.Close, null);
}
else
{
// send a shutdown notifications, and then close the connection
ret = new SslHandshakeStatus(SslStatus.Close, GetControlBytes(ControlType.Shutdown));
}
}
else
{
ret = new SslHandshakeStatus(SslStatus.OK, null);
}
return(ret);
} catch (SslException) {
throw;
} catch (Exception e) {
throw new SslException(e, AlertDescription.InternalError, "There was an internal error.");
}
}