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# Copyright (c) 2006-2016, Neville-Neil Consulting
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# Neither the name of Neville-Neil Consulting nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# File: $Id: arpwhohas.py,v 1.1 2006/09/08 07:15:26 gnn Exp $
#
# Author: George V. Neville-Neil
#
# Description: A simple program to send ARP requests and replies.
import pcs
from pcs import *
from pcs.packets.arp import *
from pcs.packets.ethernet import *
def main():
from optparse import OptionParser
parser = OptionParser()
parser.add_option("-i", "--interface",
dest="interface", default=None,
help="Network interface to send on.")
parser.add_option("-t", "--target",
dest="target", default=None,
help="IPv4 target address to lookup.")
parser.add_option("-e", "--ether_source",
dest="ether_source", default=None,
help="Ethernet source address to use.")
parser.add_option("-p", "--ip_source",
dest="ip_source", default=None,
help="IPv4 source address to use.")
(options, args) = parser.parse_args()
arppkt = arp()
arppkt.op = 1
arppkt.sha = ether_atob(options.ether_source)
arppkt.spa = inet_atol(options.ip_source)
arppkt.tha = "\x00\x00\x00\00\x00\x00"
arppkt.tpa = inet_atol(options.target)
ether = ethernet()
ether.src = ether_atob(options.ether_source)
ether.dst = "\xff\xff\xff\xff\xff\xff"
ether.type = 0x806
packet = Chain([ether, arppkt])
output = PcapConnector(options.interface)
out = output.write(packet.bytes, len(packet.bytes))
reply = output.readpkt()
reply = output.readpkt()
print reply
print reply.data
main()