public override bool HandleSession(IPSession session) { //List<Configuration.Setting> settings = Configuration.ParserConfiguration.Settings[Name()]; //foreach(Configuration.Setting setting in settings) // logger.AddMessage("Using property {0} with value {1}", setting.Property, setting.Value); PacketStream stream = session.GetNextStreamDirection(); if (session.RemoteEndpoint != null && ((session.RemoteEndpoint.Port == 1521) || (session.RemoteEndpoint.Port == redirPort))) { //we're either connected to the standard Oracle port or the redirected port }else return false; while (true) { try { TransactionNode transaction = new TransactionNode("OracleTransaction"); transaction.Description = transaction.Name; TransactionNode tnsNode = ExtractTNSData(stream, StreamDirection.OUT); if(tnsNode != null) transaction.AddChild(tnsNode); //response stream stream = session.GetNextStreamDirection(); if (stream.GetBytesAvailable() != 0) { tnsNode = ExtractTNSData(stream, StreamDirection.IN); if(tnsNode != null) transaction.AddChild(tnsNode); } if(transaction.Children.Count > 0) session.AddNode(transaction); //request stream (if exists) stream = session.GetNextStreamDirection(); if(stream.GetBytesAvailable() == 0) break; } catch (EndOfStreamException) { break; } } return true; }
private bool HandleSwitchboardSession(IPSession session) { List<PacketSlice> slices = new List<PacketSlice>(1); logger.AddMessage(String.Format("\r\n\r\nparsing session with remote endpoint: {0}\r\n", session.RemoteEndpoint)); while (true) { PacketStream stream = session.GetNextStreamDirection(); if (stream.GetBytesAvailable() == 0) { stream = session.GetNextStreamDirection(); if (stream.GetBytesAvailable() == 0) { break; } } IPPacket pkt = stream.CurPacket; PacketDirection direction = pkt.Direction; try { string line = stream.PeekLineUTF8(); // Split the line up into CMD and the rest (being arguments, if any) string[] tokens = line.Split(new char[] { ' ' }, 2); logger.AddMessage(String.Format("{0} parsing command '{1}' (line: {2})", (direction == PacketDirection.PACKET_DIRECTION_INCOMING) ? "<<" : ">>", tokens[0], line)); // Set cmd and create an array of arguments if present string cmd = tokens[0]; string[] arguments = new string[0]; if (tokens.Length > 1) { arguments = tokens[1].Split(new char[] { ' ' }); } // Create command node TransactionNode node = new TransactionNode("MSNSBCommand"); node.Description = cmd; // Command field stream.ReadBytes(StaticUtils.GetUTF8ByteCount(tokens[0]), slices); node.AddField("Command", tokens[0], "Switchboard command.", slices); if (arguments.Length > 0) { // Skip space between command and arguments stream.ReadByte(); stream.ReadBytes(StaticUtils.GetUTF8ByteCount(tokens[1]), slices); // Arguments fields node.AddField("Arguments", tokens[1], "Arguments to command.", slices); } // Skip CRLF stream.ReadBytes(2); // Is there a payload? bool hasPayload = false; if (arguments.Length > 0) { List<string> payloadCommands = (direction == PacketDirection.PACKET_DIRECTION_OUTGOING) ? payloadCommandsFromClient : payloadCommandsFromServer; hasPayload = payloadCommands.Contains(cmd); } if (hasPayload) { int payloadLength = -1; try { payloadLength = (int)Convert.ToUInt32(arguments[arguments.Length - 1]); } catch (FormatException) { } if (payloadLength > 0) { TransactionNode payloadNode = new TransactionNode(node, "Payload"); logger.AddMessage(String.Format("Parsing {0} bytes of payload", payloadLength)); PayloadFormat format = PayloadFormat.TEXT; string cmdUpper = cmd.ToUpper(); if (payloadCommandFormats.ContainsKey(cmdUpper)) format = payloadCommandFormats[cmdUpper]; if (format == PayloadFormat.MESSAGE) { SBParseMSG(stream, payloadNode, payloadLength); } else { string body = stream.ReadStringUTF8(payloadLength, slices); switch (format) { case PayloadFormat.SLP: payloadNode.AddTextField("MSNSLP", body, "MSNSLP data.", slices); break; case PayloadFormat.XML: payloadNode.AddXMLField("XML", body, "XML data.", slices); break; default: payloadNode.AddTextField("Text", body, "Text.", slices); break; } } } } session.AddNode(node); } catch (EndOfStreamException e) { logger.AddMessage(String.Format("MSNSwitchboard: EOS at {0} ({1})", stream.Position, e)); break; } } logger.AddMessage("done with session\r\n\r\n"); return true; }
public override bool HandleSession(IPSession session) { logger.AddMessage(String.Format("session.LocalEndpoint={0}, session.RemoteEndpoint={1}", session.LocalEndpoint, session.RemoteEndpoint)); if (session.RemoteEndpoint != null && session.RemoteEndpoint.Port == MSN_SB_PORT) return HandleSwitchboardSession(session); PacketStream stream = session.GetNextStreamDirection(); if (stream.GetBytesAvailable() < 8) return false; List<PacketSlice> lenSlices = new List<PacketSlice>(1); UInt32 len = stream.ReadU32LE(lenSlices); if (len != 4) return false; List<PacketSlice> contentSlices = new List<PacketSlice>(1); string str = stream.ReadCStringASCII((int) len, contentSlices); if (str != "foo") return false; TransactionNode magicNode = new TransactionNode("MSNP2PDirectMagic"); magicNode.Description = magicNode.Name; magicNode.AddField("Length", len, "Magic length.", lenSlices); magicNode.AddField("Magic", str, "Magic string.", contentSlices); TransactionNode requestNode = ReadNextP2PDirectMessage(stream, "Request"); stream = session.GetNextStreamDirection(); TransactionNode responseNode = ReadNextP2PDirectMessage(stream, "Response"); TransactionNode handshakeNode = new TransactionNode("MSNP2PDirectHandshake"); handshakeNode.Description = handshakeNode.Name; handshakeNode.AddChild(requestNode); handshakeNode.AddChild(responseNode); session.AddNode(magicNode); session.AddNode(handshakeNode); ReadAllP2PDirectMessages(session, session.GetNextStreamDirection()); ReadAllP2PDirectMessages(session, session.GetNextStreamDirection()); return true; }
private void ReadAllP2PDirectMessages(IPSession session, PacketStream stream) { while (stream.GetBytesAvailable() > 0) { try { TransactionNode node = ReadNextP2PDirectMessage(stream, "MSNP2PDirectMessage"); session.AddNode(node); } catch (EndOfStreamException e) { logger.AddMessage(String.Format("MSNP2PDirect: EOS at {0} ({1})", stream.Position, e)); break; } } }
public override bool HandleSession(IPSession session) { PacketStream stream = session.GetNextStreamDirection(); string line; try { line = stream.PeekLineUTF8(); } catch (EndOfStreamException) { return false; } string[] tokens = line.Split(new char[] { ' ' }); if (!tokens[tokens.Length - 1].StartsWith("HTTP/1.")) { return false; } // At this point it should be safe enough to assume we're // dealing with an HTTP session. while (true) { try { TransactionNode transaction = new TransactionNode("HTTPTransaction"); TransactionNode request = ExtractHttpData(stream, HTTPTransactionType.REQUEST); transaction.AddChild(request); string desc = request.Description; stream = session.GetNextStreamDirection(); if (stream.GetBytesAvailable() != 0) { TransactionNode response = ExtractHttpData(stream, HTTPTransactionType.RESPONSE); transaction.AddChild(response); if (response.Fields.ContainsKey("Result") && ((string)response.Fields["Result"]).StartsWith("100 ")) { response = ExtractHttpData(stream, HTTPTransactionType.RESPONSE, "Response2"); transaction.AddChild(response); } desc += " => " + response.Description; } transaction.Description = desc; session.AddNode(transaction); stream = session.GetNextStreamDirection(); if (stream.GetBytesAvailable() == 0) break; } catch (EndOfStreamException) { logger.AddMessage("HTTP premature EOF"); break; } catch (ProtocolError) { logger.AddMessage("HTTP protocol error"); break; } } return true; }