private static void EnqueueResponseChain(ConnectionState state, List <SMB2Command> responseChain)
{
byte[] signingKey = null;
if (state is SMB2ConnectionState)
{
// Note: multiple sessions MAY be multiplexed on the same connection, so theoretically
// we could have compounding unrelated requests from different sessions.
// In practice however this is not a real problem.
ulong sessionID = responseChain[0].Header.SessionID;
if (sessionID != 0)
{
SMB2Session session = ((SMB2ConnectionState)state).GetSession(sessionID);
if (session != null)
{
signingKey = session.SigningKey;
}
}
}
SessionMessagePacket packet = new SessionMessagePacket();
SMB2Dialect smb2Dialect = (signingKey != null) ? ToSMB2Dialect(state.Dialect) : SMB2Dialect.SMB2xx;
packet.Trailer = SMB2Command.GetCommandChainBytes(responseChain, signingKey, smb2Dialect);
state.SendQueue.Enqueue(packet);
state.LogToServer(Severity.Verbose, "SMB2 response chain queued: Response count: {0}, First response: {1}, Packet length: {2}", responseChain.Count, responseChain[0].CommandName.ToString(), packet.Length);
}
