//Selection changed @ packetlist
private void PacketList_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
//Remove packetinfo (if there is any)
PacketInfo.Items.Clear();
btnStartEdit.IsEnabled = true;
//Create virtual packet from existing virtual packet
pInfoPacket = new PacketAPI();
pInfoPacket = (PacketAPI)PacketList.SelectedItems[0];
//Show more details about the currently selected packet
PacketInfo.Items.Add("Time Of Arrival: " + pInfoPacket.Timestamp);
if (pInfoPacket.Http)
PacketInfo.Items.Add("Protocol encapsulation: IPV4 / TCP / HTTP");
else if (pInfoPacket.Dns)
PacketInfo.Items.Add("Protocol encapsulation: IPV4 / UDP / DNS");
else if (pInfoPacket.Tcp)
PacketInfo.Items.Add("Protocol encapsulation: IPV4 / TCP");
else if (pInfoPacket.Udp)
PacketInfo.Items.Add("Protocol encapsulation: IPV4 / UDP");
else if (pInfoPacket.Icmp)
PacketInfo.Items.Add("Protocol encapsulation: IPV4 / ICMP");
else
PacketInfo.Items.Add("Protocol encapsulation: IPV4 / Unknown");
PacketInfo.Items.Add("MAC Source: " + pInfoPacket.MacSource + "\tMAC Destination: " + pInfoPacket.MacDestination);
PacketInfo.Items.Add("IP Source: " + pInfoPacket.IpSource + "\t\tIP Destination: " + pInfoPacket.IpDestination);
PacketInfo.Items.Add("Length: " + pInfoPacket.Length + "\t\t\tTTL: " + pInfoPacket.Ttl + "\t\t\tID: " + pInfoPacket.Id);
PacketInfo.Items.Add("Source Port: " + pInfoPacket.PortSource + "\t\t\tDestination Port: " + pInfoPacket.PortDestination);
}
//Add arrived packets to the Observable Collection and update in the list
private void UpdatePacketText(PacketAPI packet)
{
ocPackets.Add(packet);
}
//Create a virtual packet from the original packet
private void PacketHandler(Packet packet)
{
//Create virtual packet
var ArrivedPacket = new PacketAPI();
//Bind original packet data to virtual packet
ArrivedPacket.Timestamp = packet.Timestamp.ToString();
ArrivedPacket.MacSource = packet.Ethernet.Source.ToString();
ArrivedPacket.MacDestination = packet.Ethernet.Destination.ToString();
ArrivedPacket.IpSource = packet.Ethernet.IpV4.Source.ToString();
ArrivedPacket.IpDestination = packet.Ethernet.IpV4.Destination.ToString();
ArrivedPacket.Length = packet.Length;
ArrivedPacket.Ttl = packet.Ethernet.IpV4.Ttl;
ArrivedPacket.Id = packet.Ethernet.IpV4.Identification;
//Find out what protocol the original packet is using and bind as well
//(This part is not optimal yet)
if (packet.Ethernet.EtherType == EthernetType.IpV4)
{
ArrivedPacket.Ipv4 = true;
ArrivedPacket.Protocol = "IPV4";
if (packet.Ethernet.IpV4.Icmp != null && packet.Ethernet.IpV4.Protocol.ToString()
== "InternetControlMessageProtocol")
{
ArrivedPacket.Icmp = true;
ArrivedPacket.Protocol = "ICMP";
}
else
{
ArrivedPacket.Icmp = false;
}
if (packet.Ethernet.IpV4.Udp != null && packet.Ethernet.IpV4.Protocol.ToString()
== "Udp")
{
ArrivedPacket.Udp = true;
ArrivedPacket.Protocol = "UDP";
ArrivedPacket.PortSource = packet.Ethernet.IpV4.Udp.SourcePort;
ArrivedPacket.PortDestination = packet.Ethernet.IpV4.Udp.DestinationPort;
if (ArrivedPacket.PortDestination == 53 || ArrivedPacket.PortDestination > 1023
|| ArrivedPacket.PortSource == 53 || ArrivedPacket.PortSource > 1023)
{
ArrivedPacket.Dns = true;
ArrivedPacket.Protocol = "DNS";
}
else
{
ArrivedPacket.Dns = false;
}
}
else
{
ArrivedPacket.Udp = false;
}
if (packet.Ethernet.IpV4.Tcp != null && packet.Ethernet.IpV4.Protocol.ToString()
== "Tcp")
{
ArrivedPacket.Tcp = true;
ArrivedPacket.Protocol = "TCP";
ArrivedPacket.PortSource = packet.Ethernet.IpV4.Tcp.SourcePort;
ArrivedPacket.PortDestination = packet.Ethernet.IpV4.Tcp.DestinationPort;
if (ArrivedPacket.PortDestination == 80 || ArrivedPacket.PortSource == 80)
{
ArrivedPacket.Http = true;
ArrivedPacket.Protocol = "HTTP";
}
else
{
ArrivedPacket.Http = false;
}
}
else
{
ArrivedPacket.Tcp = false;
}
}
else
{
ArrivedPacket.Ipv4 = false;
}
//Check the filter to see which packets are allowed to be shown
if (bIcmpCheck && ArrivedPacket.Icmp)
Dispatcher.Invoke(new UpdateTextCallback(UpdatePacketText), ArrivedPacket);
else if (bUdpCheck && ArrivedPacket.Udp)
Dispatcher.Invoke(new UpdateTextCallback(UpdatePacketText), ArrivedPacket);
else if (bTcpCheck && ArrivedPacket.Tcp)
Dispatcher.Invoke(new UpdateTextCallback(UpdatePacketText), ArrivedPacket);
else if (bDnsCheck && ArrivedPacket.Dns)
Dispatcher.Invoke(new UpdateTextCallback(UpdatePacketText), ArrivedPacket);
else if (bHttpCheck && ArrivedPacket.Http)
Dispatcher.Invoke(new UpdateTextCallback(UpdatePacketText), ArrivedPacket);
else if (bIPV4Check && ArrivedPacket.Ipv4)
Dispatcher.Invoke(new UpdateTextCallback(UpdatePacketText), ArrivedPacket);
}
