Exemple #1
0
        protected override void ProcessRequest(byte[] data, UDPListener udpListener, IPEndPoint ipEndPoint, string replyIP, string replyIPv6)
        {
            string     clientIP = ipEndPoint.Address.ToString();
            MDNSPacket packet   = new MDNSPacket(data);

            if (packet.Header.IsQuery())
            {
                if (Check(packet.Question.Name, packet.Question.QuestionType, packet.Question.Type, clientIP, out string message))
                {
                    if (packet.Question.QuestionType.Equals("QM") && !this.UnicastOnly && string.Equals(ipEndPoint.Address.AddressFamily.ToString(), "InterNetwork"))
                    {
                        ipEndPoint.Address = IPAddress.Parse("224.0.0.251");
                    }
                    else if (packet.Question.QuestionType.Equals("QM") && !this.UnicastOnly && string.Equals(ipEndPoint.Address.AddressFamily.ToString(), "InterNetworkV6"))
                    {
                        ipEndPoint.Address = IPAddress.Parse("ff02::fb");
                    }

                    byte[] buffer = packet.GetBytes(this.TTL, replyIP, replyIPv6);
                    SendTo(buffer, udpListener, ipEndPoint);
                }

                Output("mDNS", clientIP, packet.Question.Name, packet.Question.QuestionType, packet.Question.Type, message);
            }
        }
        internal static void ProcessMDNSRequest(byte[] data, string clientIP, int clientPort, string sourceIP, int sourcePort)
        {
            MDNSPacket   packet        = new MDNSPacket(data);
            MDNSListener listener      = new MDNSListener();
            string       destinationIP = clientIP;

            if (packet.Header.IsQuery())
            {
                if (listener.Check(packet.Question.Name, packet.Question.QuestionType, packet.Question.Type, clientIP, out string message))
                {
                    if (packet.Question.QuestionType.Equals("QM") && !Program.enabledMDNSUnicast && string.Equals(IPAddress.Parse(clientIP).AddressFamily.ToString(), "InterNetwork"))
                    {
                        destinationIP = "224.0.0.251";
                    }
                    else if (packet.Question.QuestionType.Equals("QM") && !Program.enabledMDNSUnicast && string.Equals(IPAddress.Parse(clientIP).AddressFamily.ToString(), "InterNetworkV6"))
                    {
                        destinationIP = "ff02::fb";
                    }

                    byte[] buffer = packet.GetBytes(uint.Parse(Program.argMDNSTTL), Program.argSpooferIP, Program.argSpooferIPv6);

                    if (!Utilities.ArrayIsNullOrEmpty(buffer))
                    {
                        UDPSocket.SendTo(destinationIP, clientPort, sourceIP, sourcePort, buffer, false);
                    }
                }

                string type = string.Concat(packet.Question.QuestionType, ")(", packet.Question.Type);
                Output.SpooferOutput("mDNS", type, packet.Question.Name, clientIP, message);
            }
        }