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📄 Makefile(2.09 KB)
📄 frag6.subr(3.06 KB)
📄 frag6_01.py(3.59 KB)
📄 frag6_01.sh(8.62 KB)
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📄 frag6_19.py(2.71 KB)
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📄 sniffer.py(846 B)

Editing: frag6_19.py

#!/usr/bin/env python
#-
# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (c) 2019 Netflix, Inc.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. 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.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
#
# $FreeBSD$
#

import argparse
import scapy.all as sp
import socket
import sys

def main():
	parser = argparse.ArgumentParser("frag6.py",
		description="IPv6 fragementation test tool")
	parser.add_argument('--sendif', nargs=1,
		required=True,
		help='The interface through which the packet will be sent')
	parser.add_argument('--recvif', nargs=1,
		required=True,
		help='The interface on which to check for the packet')
	parser.add_argument('--src', nargs=1,
		required=True,
		help='The source IP address')
	parser.add_argument('--to', nargs=1,
		required=True,
		help='The destination IP address')
	parser.add_argument('--debug',
		required=False, action='store_true',
		help='Enable test debugging')

args = parser.parse_args()

########################################################################
	#
	# Send a sample of sequeneced ID fragments into the system in order
	# to test bucket distribution.
	#
	# A:  No overflow at V_ip6_maxfragsperpacket == 64.
	# R:  Stats only, timeout and no ICMPv6 (all ignored).
	#
	packets = [];
	data = "66666666"
	for i in range(0,127):
		ip6f01 = sp.Ether() / \
			sp.IPv6(src=args.src[0], dst=args.to[0]) / \
			sp.IPv6ExtHdrFragment(offset=1, m=1, id=i) / \
			data
		if args.debug:
			ip6f01.display()
		packets.append(ip6f01)

for p in packets:
		sp.sendp(p, iface=args.sendif[0], verbose=False)

sys.exit(0)

if __name__ == '__main__':
	main()

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