/// <summary>
/// Processes a DNS message.
/// </summary>
/// <param name="query">The query message.</param>
/// <param name="ipAddress">The IP address.</param>
/// <param name="protocolType">The protocol type.</param>
/// <returns>The processed message.</returns>
private DnsMessageBase ProcessMessage(DnsMessageBase query, IPAddress ipAddress, ProtocolType protocolType)
{
if (query.TSigOptions != null)
{
switch (query.TSigOptions.ValidationResult)
{
case ReturnCode.BadKey:
case ReturnCode.BadSig:
query.IsQuery = false;
query.ReturnCode = ReturnCode.NotAuthoritive;
query.TSigOptions.Error = query.TSigOptions.ValidationResult;
query.TSigOptions.KeyData = null;
if (InvalidSignedMessageReceived != null)
InvalidSignedMessageReceived(this, new InvalidSignedMessageEventArgs(query));
return query;
case ReturnCode.BadTime:
query.IsQuery = false;
query.ReturnCode = ReturnCode.NotAuthoritive;
query.TSigOptions.Error = query.TSigOptions.ValidationResult;
query.TSigOptions.OtherData = new byte[6];
int tmp = 0;
TSigRecord.EncodeDateTime(query.TSigOptions.OtherData, ref tmp, DateTime.Now);
if (InvalidSignedMessageReceived != null)
InvalidSignedMessageReceived(this, new InvalidSignedMessageEventArgs(query));
return query;
}
}
return this.processQueryDelegate(query, ipAddress, protocolType);
}
/// <summary>
/// Internal constructor.
/// </summary>
/// <param name="message">The DNS message.</param>
internal InvalidSignedMessageEventArgs(DnsMessageBase message)
{
this.Message = message;
}