~ubuntu-branches/ubuntu/trusty/xprobe/trusty

#include <iostream.h>

#include <usi++/usi++.h>

#include <usi++/tcp.h>

 

int main(int argc, char **argv)

{

        TCP *dev1 = new TCP("127.0.0.1"), *tcp = new TCP("127.0.0.1");

        char buf[512], src[512], dst[512];

        

        dev1->init_device("eth0", 1, 500);

        

        while (1) {

                dev1->sniffpack(buf, sizeof(buf));

                

                if (dev1->get_flags() != TH_SYN)

                        continue;

                        

                cout<<"Seen "<<dev1->get_src(1,src,512)<<":"<<dev1->get_srcport()<<" -> "<<dev1->get_dst(1,dst,512)

                    <<":"<<dev1->get_dstport()<<endl;

                    

                tcp->set_dst(dev1->get_src());

                tcp->set_dstport(dev1->get_srcport());

                tcp->set_srcport(dev1->get_dstport());

                tcp->set_src(dev1->get_dst());

                tcp->set_flags(TH_SYN|TH_ACK);

                tcp->set_seq(7350);

                tcp->set_ack(dev1->get_seq()+1);

                tcp->sendpack("");

        }

        return 0;

}