3 # SPDX-License-Identifier: BSD-2-Clause
5 # Copyright © 2022. Rubicon Communications, LLC (Netgate). All Rights Reserved.
7 # Redistribution and use in source and binary forms, with or without
8 # modification, are permitted provided that the following conditions
10 # 1. Redistributions of source code must retain the above copyright
11 # notice, this list of conditions and the following disclaimer.
12 # 2. Redistributions in binary form must reproduce the above copyright
13 # notice, this list of conditions and the following disclaimer in the
14 # documentation and/or other materials provided with the distribution.
16 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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18 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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21 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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31 logging.getLogger("scapy").setLevel(logging.CRITICAL)
32 import scapy.all as sp
36 PAYLOAD_MAGIC = bytes.fromhex('42c0ffee')
38 def ping(send_if, dst_ip, length):
40 ip = sp.IP(dst=dst_ip)
41 icmp = sp.ICMP(type='echo-request')
42 raw = sp.raw(PAYLOAD_MAGIC)
44 req = ether / ip / icmp / raw
45 req = req.build()[0:length]
47 sp.sendp(req, iface=send_if, verbose=False)
50 parser = argparse.ArgumentParser("pft_ether.py",
51 description="Ethernet test tool")
52 parser.add_argument('--sendif', nargs=1,
54 help='The interface through which the packet(s) will be sent')
55 parser.add_argument('--to', nargs=1,
57 help='The destination IP address for the ICMP echo request')
58 parser.add_argument('--len', nargs=1,
60 help='The length of the packet')
62 args = parser.parse_args()
64 if '-' in args.len[0]:
65 s=args.len[0].split('-')
66 for i in range(int(s[0]), int(s[1]) + 1):
67 ping(args.sendif[0], args.to[0], i)
69 ping(args.sendif[0], args.to[0], int(args.len[0]))
71 if __name__ == '__main__':