xref: /freebsd/tests/sys/netinet6/frag6/frag6_14.py (revision 4527b28baf0d6ca9e78eefd821b2c95181cd61e8)
1f74e6e49SBjoern A. Zeeb#!/usr/bin/env python
2f74e6e49SBjoern A. Zeeb#-
3f74e6e49SBjoern A. Zeeb# SPDX-License-Identifier: BSD-2-Clause
4f74e6e49SBjoern A. Zeeb#
5f74e6e49SBjoern A. Zeeb# Copyright (c) 2019 Netflix, Inc.
6f74e6e49SBjoern A. Zeeb#
7f74e6e49SBjoern A. Zeeb# Redistribution and use in source and binary forms, with or without
8f74e6e49SBjoern A. Zeeb# modification, are permitted provided that the following conditions
9f74e6e49SBjoern A. Zeeb# are met:
10f74e6e49SBjoern A. Zeeb# 1. Redistributions of source code must retain the above copyright
11f74e6e49SBjoern A. Zeeb#    notice, this list of conditions and the following disclaimer.
12f74e6e49SBjoern A. Zeeb# 2. Redistributions in binary form must reproduce the above copyright
13f74e6e49SBjoern A. Zeeb#    notice, this list of conditions and the following disclaimer in the
14f74e6e49SBjoern A. Zeeb#    documentation and/or other materials provided with the distribution.
15f74e6e49SBjoern A. Zeeb#
16f74e6e49SBjoern A. Zeeb# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17f74e6e49SBjoern A. Zeeb# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18f74e6e49SBjoern A. Zeeb# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19f74e6e49SBjoern A. Zeeb# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20f74e6e49SBjoern A. Zeeb# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21f74e6e49SBjoern A. Zeeb# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22f74e6e49SBjoern A. Zeeb# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23f74e6e49SBjoern A. Zeeb# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24f74e6e49SBjoern A. Zeeb# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25f74e6e49SBjoern A. Zeeb# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26f74e6e49SBjoern A. Zeeb# SUCH DAMAGE.
27f74e6e49SBjoern A. Zeeb#
28f74e6e49SBjoern A. Zeeb# $FreeBSD$
29f74e6e49SBjoern A. Zeeb#
30f74e6e49SBjoern A. Zeeb
31f74e6e49SBjoern A. Zeebimport argparse
32f74e6e49SBjoern A. Zeebimport scapy.all as sp
33f74e6e49SBjoern A. Zeebimport socket
34f74e6e49SBjoern A. Zeebimport sys
35f74e6e49SBjoern A. Zeebfrom time import sleep
36f74e6e49SBjoern A. Zeeb
37f74e6e49SBjoern A. Zeebdef main():
38f74e6e49SBjoern A. Zeeb	parser = argparse.ArgumentParser("frag6.py",
39f74e6e49SBjoern A. Zeeb		description="IPv6 fragementation test tool")
40f74e6e49SBjoern A. Zeeb	parser.add_argument('--sendif', nargs=1,
41f74e6e49SBjoern A. Zeeb		required=True,
42f74e6e49SBjoern A. Zeeb		help='The interface through which the packet will be sent')
43f74e6e49SBjoern A. Zeeb	parser.add_argument('--recvif', nargs=1,
44f74e6e49SBjoern A. Zeeb		required=True,
45f74e6e49SBjoern A. Zeeb		help='The interface on which to check for the packet')
46f74e6e49SBjoern A. Zeeb	parser.add_argument('--src', nargs=1,
47f74e6e49SBjoern A. Zeeb		required=True,
48f74e6e49SBjoern A. Zeeb		help='The source IP address')
49f74e6e49SBjoern A. Zeeb	parser.add_argument('--to', nargs=1,
50f74e6e49SBjoern A. Zeeb		required=True,
51f74e6e49SBjoern A. Zeeb		help='The destination IP address')
52f74e6e49SBjoern A. Zeeb	parser.add_argument('--debug',
53f74e6e49SBjoern A. Zeeb		required=False, action='store_true',
54f74e6e49SBjoern A. Zeeb		help='Enable test debugging')
55f74e6e49SBjoern A. Zeeb
56f74e6e49SBjoern A. Zeeb	args = parser.parse_args()
57f74e6e49SBjoern A. Zeeb
58f74e6e49SBjoern A. Zeeb
59f74e6e49SBjoern A. Zeeb	########################################################################
60f74e6e49SBjoern A. Zeeb	#
61f74e6e49SBjoern A. Zeeb	# Send multiple fragments, with an exact overlap in a middle one,
62f74e6e49SBjoern A. Zeeb	# not finishing the full packet (and ignoring the content anyway).
63f74e6e49SBjoern A. Zeeb	#
64f74e6e49SBjoern A. Zeeb	# A:  Reassembly failure.
65f74e6e49SBjoern A. Zeeb	# R:  dup dropped silently / Timeout (not waiting for).
66f74e6e49SBjoern A. Zeeb	#
67f74e6e49SBjoern A. Zeeb	data = "6" * 8
68f74e6e49SBjoern A. Zeeb	ip6f01 = \
69f74e6e49SBjoern A. Zeeb		sp.Ether() / \
70f74e6e49SBjoern A. Zeeb		sp.IPv6(src=args.src[0], dst=args.to[0]) / \
71f74e6e49SBjoern A. Zeeb		sp.IPv6ExtHdrFragment(offset=0, m=1, id=14) / \
72f74e6e49SBjoern A. Zeeb		sp.UDP(dport=3456, sport=6543) / \
73f74e6e49SBjoern A. Zeeb		data
74f74e6e49SBjoern A. Zeeb	ip6f02 = \
75f74e6e49SBjoern A. Zeeb		sp.Ether() / \
76f74e6e49SBjoern A. Zeeb		sp.IPv6(src=args.src[0], dst=args.to[0]) / \
77f74e6e49SBjoern A. Zeeb		sp.IPv6ExtHdrFragment(offset=0x1000, m=0, id=14) / \
78f74e6e49SBjoern A. Zeeb		sp.UDP(dport=3456, sport=6543) / \
79f74e6e49SBjoern A. Zeeb		data
80f74e6e49SBjoern A. Zeeb	ip6f03 = \
81f74e6e49SBjoern A. Zeeb		sp.Ether() / \
82f74e6e49SBjoern A. Zeeb		sp.IPv6(src=args.src[0], dst=args.to[0]) / \
83f74e6e49SBjoern A. Zeeb		sp.IPv6ExtHdrFragment(offset=16, m=1, id=14) / \
84f74e6e49SBjoern A. Zeeb		sp.UDP(dport=3456, sport=6543) / \
85f74e6e49SBjoern A. Zeeb		data
86f74e6e49SBjoern A. Zeeb	ip6f04 = \
87f74e6e49SBjoern A. Zeeb		sp.Ether() / \
88f74e6e49SBjoern A. Zeeb		sp.IPv6(src=args.src[0], dst=args.to[0]) / \
89f74e6e49SBjoern A. Zeeb		sp.IPv6ExtHdrFragment(offset=16, m=1, id=14) / \
90f74e6e49SBjoern A. Zeeb		sp.UDP(dport=3456, sport=6543) / \
91f74e6e49SBjoern A. Zeeb		data
92f74e6e49SBjoern A. Zeeb	if args.debug :
93f74e6e49SBjoern A. Zeeb		ip6f01.display()
94f74e6e49SBjoern A. Zeeb		ip6f02.display()
95f74e6e49SBjoern A. Zeeb		ip6f03.display()
96f74e6e49SBjoern A. Zeeb		ip6f04.display()
97f74e6e49SBjoern A. Zeeb	sp.sendp(ip6f01, iface=args.sendif[0], verbose=False)
98f74e6e49SBjoern A. Zeeb	sp.sendp(ip6f02, iface=args.sendif[0], verbose=False)
99f74e6e49SBjoern A. Zeeb	sp.sendp(ip6f03, iface=args.sendif[0], verbose=False)
100f74e6e49SBjoern A. Zeeb	sp.sendp(ip6f04, iface=args.sendif[0], verbose=False)
101f74e6e49SBjoern A. Zeeb
102f74e6e49SBjoern A. Zeeb
103f74e6e49SBjoern A. Zeeb	# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # ##
104f74e6e49SBjoern A. Zeeb	#
105f74e6e49SBjoern A. Zeeb	# Send multiple fragments, with a partial overlap on the first one
106f74e6e49SBjoern A. Zeeb	# not finishing the full packet (and ignoring the content anyway).
107f74e6e49SBjoern A. Zeeb	# The second packet needs to be the first one in the fragment chain
108f74e6e49SBjoern A. Zeeb	# in order to trigger the 2nd case to test.
109f74e6e49SBjoern A. Zeeb	#
110f74e6e49SBjoern A. Zeeb	# A:  Reassembly failure.
111f74e6e49SBjoern A. Zeeb	# R:  dup dropped silently / Timeout (not waiting for).
112f74e6e49SBjoern A. Zeeb	#
113f74e6e49SBjoern A. Zeeb	data = "6" * 8
114f74e6e49SBjoern A. Zeeb	ip6f01 = \
115f74e6e49SBjoern A. Zeeb		sp.Ether() / \
116f74e6e49SBjoern A. Zeeb		sp.IPv6(src=args.src[0], dst=args.to[0]) / \
117f74e6e49SBjoern A. Zeeb		sp.IPv6ExtHdrFragment(offset=10, m=1, id=0x1401) / \
118f74e6e49SBjoern A. Zeeb		sp.UDP(dport=3456, sport=6543) / \
119f74e6e49SBjoern A. Zeeb		data
120f74e6e49SBjoern A. Zeeb	ip6f02 = \
121f74e6e49SBjoern A. Zeeb		sp.Ether() / \
122f74e6e49SBjoern A. Zeeb		sp.IPv6(src=args.src[0], dst=args.to[0]) / \
123f74e6e49SBjoern A. Zeeb		sp.IPv6ExtHdrFragment(offset=9, m=0, id=0x1401) / \
124f74e6e49SBjoern A. Zeeb		sp.UDP(dport=3456, sport=6543) / \
125f74e6e49SBjoern A. Zeeb		data
126f74e6e49SBjoern A. Zeeb	if args.debug :
127f74e6e49SBjoern A. Zeeb		ip6f01.display()
128f74e6e49SBjoern A. Zeeb		ip6f02.display()
129f74e6e49SBjoern A. Zeeb	sp.sendp(ip6f01, iface=args.sendif[0], verbose=False)
130f74e6e49SBjoern A. Zeeb	sp.sendp(ip6f02, iface=args.sendif[0], verbose=False)
131f74e6e49SBjoern A. Zeeb
132*4527b28bSBjoern A. Zeeb	# Wait for expiry.
133*4527b28bSBjoern A. Zeeb	sleep(75)
134f74e6e49SBjoern A. Zeeb	sys.exit(0)
135f74e6e49SBjoern A. Zeeb
136f74e6e49SBjoern A. Zeebif __name__ == '__main__':
137f74e6e49SBjoern A. Zeeb	main()
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