public static new bool TryParse(Frame parentFrame, int packetStartIndex, int packetEndIndex, out AbstractPacket result) { //this.version = parentFrame.Data[packetStartIndex]; //this.type = parentFrame.Data[packetStartIndex + 1]; result = null; try { ushort length = (ushort)Utils.ByteConverter.ToUInt16(parentFrame.Data, packetStartIndex + 2); if (length > packetEndIndex - packetStartIndex + 1) { return(false); } else { result = new OpenFlowPacket(parentFrame, packetStartIndex, packetEndIndex); } } catch (Exception) { return(false); } return(result != null); }
private AbstractPacket GetProtocolPacket(ApplicationLayerProtocol protocol, bool clientToServer) { AbstractPacket packet = null; if (protocol == ApplicationLayerProtocol.Dns) { if (DnsPacket.TryParse(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, true, out DnsPacket dnsPacket)) { return(dnsPacket); } } else if (protocol == ApplicationLayerProtocol.FtpControl) { if (FtpPacket.TryParse(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, clientToServer, out packet)) { return(packet); } } else if (protocol == ApplicationLayerProtocol.Http) { if (HttpPacket.TryParse(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, out packet)) { return(packet); } } else if (protocol == ApplicationLayerProtocol.Http2) { if (Http2Packet.TryParse(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, out packet)) { return(packet); } } else if (protocol == ApplicationLayerProtocol.Irc) { if (IrcPacket.TryParse(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, out packet)) { return(packet); } } else if (protocol == ApplicationLayerProtocol.IEC_104) { if (IEC_60870_5_104Packet.TryParse(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, out packet)) { return(packet); } } else if (protocol == ApplicationLayerProtocol.Imap) { return(new ImapPacket(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, clientToServer)); } else if (protocol == ApplicationLayerProtocol.Kerberos) { return(new KerberosPacket(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, true)); } else if (protocol == ApplicationLayerProtocol.Lpd) { if (LpdPacket.TryParse(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, clientToServer, out packet)) { return(packet); } } else if (protocol == ApplicationLayerProtocol.ModbusTCP) { if (ModbusTcpPacket.TryParse(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, this.sourcePort, this.destinationPort, out packet)) { return(packet); } } else if (protocol == ApplicationLayerProtocol.NetBiosNameService) { return(new NetBiosNameServicePacket(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex)); } else if (protocol == ApplicationLayerProtocol.NetBiosSessionService) { if (NetBiosSessionService.TryParse(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, this.sourcePort, this.destinationPort, out packet, this.IsVirtualPacketFromTrailingDataInTcpSegment)) { return(packet); } } else if (protocol == ApplicationLayerProtocol.OpenFlow) { if (OpenFlowPacket.TryParse(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, out packet)) { return(packet); } } else if (protocol == ApplicationLayerProtocol.Oscar) { if (OscarPacket.TryParse(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, out packet)) { return(packet); } } else if (protocol == ApplicationLayerProtocol.OscarFileTransfer) { if (OscarFileTransferPacket.TryParse(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, out packet)) { return(packet); } } else if (protocol == ApplicationLayerProtocol.Pop3) { return(new Pop3Packet(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, clientToServer)); } else if (protocol == ApplicationLayerProtocol.Sip) { return(new SipPacket(this.ParentFrame, this.PacketStartIndex + this.DataOffsetByteCount, this.PacketEndIndex)); } else if (protocol == ApplicationLayerProtocol.Smtp) { return(new SmtpPacket(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, clientToServer)); } else if (protocol == ApplicationLayerProtocol.Socks) { if (SocksPacket.TryParse(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, clientToServer, out packet)) { return(packet); } } else if (protocol == ApplicationLayerProtocol.SpotifyServerProtocol) { if (SpotifyKeyExchangePacket.TryParse(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, clientToServer, out packet)) { return(packet); } } else if (protocol == ApplicationLayerProtocol.Ssh) { if (SshPacket.TryParse(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, out packet)) { return(packet); } } else if (protocol == ApplicationLayerProtocol.Ssl) { if (SslPacket.TryParse(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, out packet)) { return(packet); } } else if (protocol == ApplicationLayerProtocol.TabularDataStream) { return(new TabularDataStreamPacket(this.ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex)); } else if (protocol == ApplicationLayerProtocol.Tpkt) { if (TpktPacket.TryParse(ParentFrame, this.PacketStartIndex + this.dataOffsetByteCount, this.PacketEndIndex, this, out packet)) { return(packet); } } return(packet); }