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Ubuntu 16.04 X86에서 Jpcap ver.0.7 (Keita Fujii) 라이브러리를 사용하고 있으며 getTCPData()
을 사용하여 패킷 페이로드 데이터를 추출하려고합니다. 누락. JPCAP : 페이로드 데이터를 추출하려고했지만 getTCPData() 메서드가 누락되었습니다.
이
는 어떤 도움을 주시면 감사하겠습니다import java.io.BufferedOutputStream;
import jpcap.PacketReceiver;
import jpcap.packet.ICMPPacket;
import jpcap.packet.IPPacket;
import jpcap.packet.Packet;
import jpcap.packet.TCPPacket;
import jpcap.packet.UDPPacket;
class PacketPrinter implements PacketReceiver, PacketListener {
//this method is called every time Jpcap captures a packet
@Override
public void receivePacket(Packet packet) {
if (packet instanceof TCPPacket) {
TCPPacket pac = (TCPPacket) packet;
byte[] data;
data = pac.getTCPData();
System.out.println("TCP ~~ Src: " + pac.src_ip + " Dest: " + pac.dst_ip + " dest port : " + pac.dst_port + " src port : " + pac.src_port);
} else if (packet instanceof UDPPacket) {
UDPPacket pac = (UDPPacket) packet;
pac.
System.out.println("UDP ~~ Src: " + pac.src_ip + " Dest: " + pac.dst_ip + " dest port : " + pac.dst_port + " src port : " + pac.src_port);
} else if (packet instanceof ICMPPacket) {
ICMPPacket pac = (ICMPPacket) packet;
System.out.println("ICMP ~~ Src: " + pac.src_ip + " Dest: " + pac.dst_ip);
} else if (packet instanceof IPPacket) {
IPPacket pac = (IPPacket) packet;
System.out.println("IP ~~ Src: " + pac.src_ip + " Dest: " + pac.dst_ip);
}
}
}
내 코드입니다.