| Bindu Mahadev | ce50f0f | 2016-08-17 17:25:50 -0700 | [diff] [blame] | 1 | #!/usr/bin/python |
| 2 | |
| 3 | import argparse |
| 4 | import time |
| 5 | |
| 6 | from scapy import all as scapy |
| 7 | |
| 8 | |
| 9 | def send(dstmac, interval, count, lifetime, iface): |
| 10 | """Generate IPv6 Router Advertisement and send to destination. |
| 11 | |
| 12 | @param dstmac: string HWAddr of the destination ipv6 node. |
| 13 | @param interval: int Time to sleep between consecutive packets. |
| 14 | @param count: int Number of packets to be sent. |
| 15 | @param lifetime: Router lifetime value for the original RA. |
| 16 | @param iface: string Router's WiFi interface to send packets over. |
| 17 | |
| 18 | """ |
| 19 | while count: |
| 20 | ra = (scapy.Ether(dst=dstmac) / |
| 21 | scapy.IPv6() / |
| 22 | scapy.ICMPv6ND_RA(routerlifetime=lifetime)) |
| 23 | scapy.sendp(ra, iface=iface) |
| 24 | count = count - 1 |
| 25 | time.sleep(interval) |
| 26 | lifetime = lifetime - interval |
| 27 | |
| 28 | |
| 29 | if __name__ == "__main__": |
| 30 | parser = argparse.ArgumentParser() |
| 31 | parser.add_argument('-m', '--mac-address', action='store', default=None, |
| 32 | help='HWAddr to send the packet to.') |
| 33 | parser.add_argument('-i', '--t-interval', action='store', default=None, |
| 34 | type=int, help='Time to sleep between consecutive') |
| 35 | parser.add_argument('-c', '--pkt-count', action='store', default=None, |
| 36 | type=int, help='NUmber of packets to send.') |
| 37 | parser.add_argument('-l', '--life-time', action='store', default=None, |
| 38 | type=int, help='Lifetime in seconds for the first RA') |
| 39 | parser.add_argument('-in', '--wifi-interface', action='store', default=None, |
| 40 | help='The wifi interface to send packets over.') |
| 41 | args = parser.parse_args() |
| 42 | send(args.mac_address, args.t_interval, args.pkt_count, args.life_time, |
| 43 | args.wifi_interface) |