import java.io.*;
import jpcap.*;
import jpcap.packet.*;
public class ManagePack {
public static void managePack (Packet pack) {
System.out.println();
System.out.print ("Source MAC: ");
for (int i=0; i<=5; i++) {
String digit=Integer.toHexString(pack.header[i] & 0xff);
if (digit.length()!=2)
System.out.print("0");
System.out.print (digit);
if (i<5)
System.out.print (":");
}
System.out.println();
System.out.print ("Destination MAC: ");
for (int i=6; i<=11; i++) {
String digit=Integer.toHexString(pack.header[i] & 0xff);
if (digit.length()!=2)
System.out.print("0");
System.out.print (digit);
if (i<11)
System.out.print (":");
}
System.out.println();
if (pack.header[12]==0x08 && pack.header[13]==0x00) {
IPPacket ip = (IPPacket) pack;
System.out.println ("Type: IP");
System.out.println ("Source IP: " + ip.src_ip.toString());
System.out.println ("Destination IP: " + ip.dst_ip.toString());
if (ip.protocol==IPPacket.IPPROTO_TCP) {
TCPPacket tcp = (TCPPacket) ip;
System.out.println ("Protocol: TCP");
System.out.println ("Source port: " + tcp.src_port);
System.out.println ("Destination port: " + tcp.dst_port);
}
if (ip.protocol==IPPacket.IPPROTO_UDP) {
UDPPacket udp = (UDPPacket) ip;
System.out.println ("Protocol: UDP");
System.out.println ("Source port: " + udp.src_port);
System.out.println ("Destination port: " + udp.dst_port);
}
if (ip.protocol==IPPacket.IPPROTO_ICMP) {
ICMPPacket icmp = (ICMPPacket) ip;
System.out.println ("Protocol: ICMP");
System.out.print ("Type: ");
if (icmp.code==ICMPPacket.ICMP_ECHO)
System.out.println ("ECHO request");
if (icmp.code==ICMPPacket.ICMP_ECHOREPLY)
System.out.println ("ECHO reply");
if (icmp.code==ICMPPacket.ICMP_IREQ)
System.out.println ("INFORMATION request");
if (icmp.code==ICMPPacket.ICMP_ECHO)
System.out.println ("INFORMATION reply");
if (icmp.code==ICMPPacket.ICMP_MASKREPLY)
System.out.println ("MASK reply");
if (icmp.code==ICMPPacket.ICMP_MASKREQ)
System.out.println ("MASK request");
if (icmp.code==ICMPPacket.ICMP_PARAMPROB)
System.out.println ("Bad IP header");
if (icmp.code==ICMPPacket.ICMP_REDIRECT)
System.out.println ("REDIRECT");
if (icmp.code==ICMPPacket.ICMP_ROUTERADVERT)
System.out.println ("ROUTER advertisement");
if (icmp.code==ICMPPacket.ICMP_ROUTERSOLICIT)
System.out.println ("ROUTER solicitation");
if (icmp.code==ICMPPacket.ICMP_SOURCEQUENCH)
System.out.println ("Packet lost");
if (icmp.code==ICMPPacket.ICMP_TIMXCEED)
System.out.println ("Time exceeded");
if (icmp.code==ICMPPacket.ICMP_TSTAMP)
System.out.println ("TIMESTAMP request");
if (icmp.code==ICMPPacket.ICMP_TSTAMPREPLY)
System.out.println ("TIMESTAMP reply");
if (icmp.code==ICMPPacket.ICMP_UNREACH)
System.out.println ("Dest unreachable");
}
}
if (pack.header[12]==0x08 && pack.header[13]==0x06) {
ARPPacket arp = (ARPPacket) pack;
System.out.println ("Sender MAC: " + arp.getSenderHardwareAddress());
System.out.println ("Target MAC: " + arp.getTargetHardwareAddress());
}
System.out.print ("Content: ");
for (int i=0; i<pack.data.length; i++)
System.out.print ((char) pack.data[i]);
System.out.println();
}
}
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