2017-11-03 14:42:14 -07:00

46 lines
1.1 KiB
Python
Executable File

#!/usr/bin/env python
import argparse
import sys
import socket
import random
import struct
from scapy.all import sendp, send, get_if_list, get_if_hwaddr, hexdump
from scapy.all import Packet
from scapy.all import Ether, IP, UDP, TCP
from myTunnel_header import MyTunnel
def get_if():
ifs=get_if_list()
iface=None # "h1-eth0"
for i in get_if_list():
if "eth0" in i:
iface=i
break;
if not iface:
print "Cannot find eth0 interface"
exit(1)
return iface
def main():
if len(sys.argv)<4:
print 'pass 3 arguments: <ip_addr> <dst_nid> "<message>"'
exit(1)
addr = socket.gethostbyname(sys.argv[1])
dst_id = int(sys.argv[2])
iface = get_if()
print "sending on interface %s to id %s" % (iface, str(dst_id))
pkt = Ether(src=get_if_hwaddr(iface), dst='ff:ff:ff:ff:ff:ff')
pkt = pkt / MyTunnel(dst_id=dst_id) / IP(dst=addr) / sys.argv[3]
pkt.show2()
# hexdump(pkt)
# print "len(pkt) = ", len(pkt)
sendp(pkt, iface=iface, verbose=False)
if __name__ == '__main__':
main()