107ffa50bSKristof Provost#!/usr/bin/env python3 207ffa50bSKristof Provost# 307ffa50bSKristof Provost# SPDX-License-Identifier: BSD-2-Clause 407ffa50bSKristof Provost# 507ffa50bSKristof Provost# Copyright © 2022. Rubicon Communications, LLC (Netgate). All Rights Reserved. 607ffa50bSKristof Provost# 707ffa50bSKristof Provost# Redistribution and use in source and binary forms, with or without 807ffa50bSKristof Provost# modification, are permitted provided that the following conditions 907ffa50bSKristof Provost# are met: 1007ffa50bSKristof Provost# 1. Redistributions of source code must retain the above copyright 1107ffa50bSKristof Provost# notice, this list of conditions and the following disclaimer. 1207ffa50bSKristof Provost# 2. Redistributions in binary form must reproduce the above copyright 1307ffa50bSKristof Provost# notice, this list of conditions and the following disclaimer in the 1407ffa50bSKristof Provost# documentation and/or other materials provided with the distribution. 1507ffa50bSKristof Provost# 1607ffa50bSKristof Provost# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1707ffa50bSKristof Provost# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1807ffa50bSKristof Provost# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1907ffa50bSKristof Provost# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2007ffa50bSKristof Provost# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2107ffa50bSKristof Provost# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2207ffa50bSKristof Provost# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2307ffa50bSKristof Provost# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2407ffa50bSKristof Provost# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2507ffa50bSKristof Provost# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2607ffa50bSKristof Provost# SUCH DAMAGE. 2707ffa50bSKristof Provost# 2807ffa50bSKristof Provost 2907ffa50bSKristof Provostimport argparse 3007ffa50bSKristof Provostimport logging 3107ffa50bSKristof Provostlogging.getLogger("scapy").setLevel(logging.CRITICAL) 3207ffa50bSKristof Provostimport scapy.all as sp 3307ffa50bSKristof Provostimport socket 3407ffa50bSKristof Provostimport sys 3507ffa50bSKristof Provost 3607ffa50bSKristof ProvostPAYLOAD_MAGIC = bytes.fromhex('42c0ffee') 3707ffa50bSKristof Provost 3807ffa50bSKristof Provostdef ping(send_if, dst_ip, length): 3907ffa50bSKristof Provost ether = sp.Ether() 4007ffa50bSKristof Provost ip = sp.IP(dst=dst_ip) 4107ffa50bSKristof Provost icmp = sp.ICMP(type='echo-request') 4207ffa50bSKristof Provost raw = sp.raw(PAYLOAD_MAGIC) 4307ffa50bSKristof Provost 4407ffa50bSKristof Provost req = ether / ip / icmp / raw 4507ffa50bSKristof Provost req = req.build()[0:length] 4607ffa50bSKristof Provost 4707ffa50bSKristof Provost sp.sendp(req, iface=send_if, verbose=False) 4807ffa50bSKristof Provost 4907ffa50bSKristof Provostdef main(): 5007ffa50bSKristof Provost parser = argparse.ArgumentParser("pft_ether.py", 5107ffa50bSKristof Provost description="Ethernet test tool") 5207ffa50bSKristof Provost parser.add_argument('--sendif', nargs=1, 5307ffa50bSKristof Provost required=True, 5407ffa50bSKristof Provost help='The interface through which the packet(s) will be sent') 5507ffa50bSKristof Provost parser.add_argument('--to', nargs=1, 5607ffa50bSKristof Provost required=True, 5707ffa50bSKristof Provost help='The destination IP address for the ICMP echo request') 5807ffa50bSKristof Provost parser.add_argument('--len', nargs=1, 5907ffa50bSKristof Provost required=True, 6007ffa50bSKristof Provost help='The length of the packet') 6107ffa50bSKristof Provost 6207ffa50bSKristof Provost args = parser.parse_args() 6307ffa50bSKristof Provost 64*6d1471fdSKristof Provost if '-' in args.len[0]: 65*6d1471fdSKristof Provost s=args.len[0].split('-') 66*6d1471fdSKristof Provost for i in range(int(s[0]), int(s[1]) + 1): 67*6d1471fdSKristof Provost ping(args.sendif[0], args.to[0], i) 68*6d1471fdSKristof Provost else: 6907ffa50bSKristof Provost ping(args.sendif[0], args.to[0], int(args.len[0])) 7007ffa50bSKristof Provost 7107ffa50bSKristof Provostif __name__ == '__main__': 7207ffa50bSKristof Provost main() 73