Beispiel #1
0
    private async void OnPacketArrival(PacketDotNet.Ieee80211.ActionFrame actionFrame)
    {
        if (BufferMatchers.FindPatternEndsWith(actionFrame.PayloadData, this.settings.TogglePacket))
        {
            var addressBytes  = actionFrame.SourceAddress.GetAddressBytes();
            var addressString = BitConverter
                                .ToString(addressBytes)
                                .Replace("-", ":")
                                .ToLower();

            var mappedTarget = this.settings.DeviceMap
                               .SingleOrDefault(x => x.Mac == addressString);

            if (mappedTarget != default(DeviceMap))
            {
                var message = new ManagedMqttApplicationMessage()
                {
                    ApplicationMessage = new MQTTnet.MqttApplicationMessage
                    {
                        Topic   = mappedTarget.Topic,
                        Payload = Encoding.UTF8.GetBytes(mappedTarget.Message)
                    }
                };

                await this.managedMqttClient.PublishAsync(message);
            }
        }
    }
    private void OnPacketArrival(PacketDotNet.Ieee80211.ActionFrame actionFrame)
    {
        if (BufferMatchers.FindPatternEndsWith(actionFrame.PayloadData, this.settings.TogglePacket))
        {
            var addressBytes = actionFrame.SourceAddress.GetAddressBytes();

            var addressString = BitConverter
                                .ToString(addressBytes)
                                .Replace("-", ":")
                                .ToLower();

            this.logger.LogInformation("Found potential Target: {0}", addressString);
        }
    }
Beispiel #3
0
            /// <summary>
            /// Parses the <see cref="PacketDotNet.Utils.ByteArraySegment"/> into a MacFrame.
            /// </summary>
            /// <returns>
            /// The parsed MacFrame or null if it could not be parsed.
            /// </returns>
            /// <param name='bas'>
            /// The bytes of the packet. bas.Offset should point to the first byte in the mac frame.
            /// </param>
            /// <remarks>If the provided bytes contain the FCS then call <see cref="MacFrame.ParsePacketWithFcs"/> instead. The presence of the
            /// FCS is usually determined by configuration of the device used to capture the packets.</remarks>
            public static MacFrame ParsePacket(ByteArraySegment bas)
            {
                if (bas.Length < MacFields.FrameControlLength)
                {
                    //there isn't enough data to even try and work out what type of packet it is
                    return(null);
                }
                //this is a bit ugly as we will end up parsing the framecontrol field twice, once here and once
                //inside the packet constructor. Could create the framecontrol and pass it to the packet but I think that is equally ugly
                FrameControlField frameControl = new FrameControlField(
                    EndianBitConverter.Big.ToUInt16(bas.Bytes, bas.Offset));

                MacFrame macFrame = null;

                log.DebugFormat("SubType {0}", frameControl.SubType);

                switch (frameControl.SubType)
                {
                case FrameControlField.FrameSubTypes.ManagementAssociationRequest:
                {
                    macFrame = new AssociationRequestFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.ManagementAssociationResponse:
                {
                    macFrame = new AssociationResponseFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.ManagementReassociationRequest:
                {
                    macFrame = new ReassociationRequestFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.ManagementReassociationResponse:
                {
                    macFrame = new AssociationResponseFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.ManagementProbeRequest:
                {
                    macFrame = new ProbeRequestFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.ManagementProbeResponse:
                {
                    macFrame = new ProbeResponseFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.ManagementReserved0:
                    break; //TODO

                case FrameControlField.FrameSubTypes.ManagementReserved1:
                    break; //TODO

                case FrameControlField.FrameSubTypes.ManagementBeacon:
                {
                    macFrame = new BeaconFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.ManagementATIM:
                    break; //TODO

                case FrameControlField.FrameSubTypes.ManagementDisassociation:
                {
                    macFrame = new DisassociationFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.ManagementAuthentication:
                {
                    macFrame = new AuthenticationFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.ManagementDeauthentication:
                {
                    macFrame = new DeauthenticationFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.ManagementAction:
                {
                    macFrame = new ActionFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.ManagementReserved3:
                    break; //TODO

                case FrameControlField.FrameSubTypes.ControlBlockAcknowledgmentRequest:
                {
                    macFrame = new BlockAcknowledgmentRequestFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.ControlBlockAcknowledgment:
                {
                    macFrame = new BlockAcknowledgmentFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.ControlPSPoll:
                    break; //TODO

                case FrameControlField.FrameSubTypes.ControlRTS:
                {
                    macFrame = new RtsFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.ControlCTS:
                {
                    macFrame = new CtsFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.ControlACK:
                {
                    macFrame = new AckFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.ControlCFEnd:
                {
                    macFrame = new ContentionFreeEndFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.ControlCFEndCFACK:
                    break; //TODO

                case FrameControlField.FrameSubTypes.Data:
                case FrameControlField.FrameSubTypes.DataCFACK:
                case FrameControlField.FrameSubTypes.DataCFPoll:
                case FrameControlField.FrameSubTypes.DataCFAckCFPoll:
                {
                    macFrame = new DataDataFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.DataNullFunctionNoData:
                case FrameControlField.FrameSubTypes.DataCFAckNoData:
                case FrameControlField.FrameSubTypes.DataCFPollNoData:
                case FrameControlField.FrameSubTypes.DataCFAckCFPollNoData:
                {
                    macFrame = new NullDataFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.QosData:
                case FrameControlField.FrameSubTypes.QosDataAndCFAck:
                case FrameControlField.FrameSubTypes.QosDataAndCFPoll:
                case FrameControlField.FrameSubTypes.QosDataAndCFAckAndCFPoll:
                {
                    macFrame = new QosDataFrame(bas);
                    break;
                }

                case FrameControlField.FrameSubTypes.QosNullData:
                case FrameControlField.FrameSubTypes.QosCFAck:
                case FrameControlField.FrameSubTypes.QosCFPoll:
                case FrameControlField.FrameSubTypes.QosCFAckAndCFPoll:
                {
                    macFrame = new QosNullDataFrame(bas);
                    break;
                }

                default:
                    //this is an unsupported (and unknown) packet type
                    break;
                }

                return(macFrame);
            }