1 files changed, 110 insertions, 0 deletions
diff --git a/tests/sys/netinet6/frag6/frag6_09.py b/tests/sys/netinet6/frag6/frag6_09.py
new file mode 100644
index 000000000000..a7cea6648ded
--- /dev/null
+++ b/tests/sys/netinet6/frag6/frag6_09.py
@@ -0,0 +1,110 @@
+#!/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.
+#
+#
+
+import argparse
+import logging
+logging.getLogger("scapy").setLevel(logging.CRITICAL)
+import scapy.all as sp
+import socket
+import sys
+from sniffer import Sniffer
+from time import sleep
+
+def check_icmp6_error(args, packet):
+	ip6 = packet.getlayer(sp.IPv6)
+	if not ip6:
+		return False
+	oip6 = sp.IPv6(src=args.src[0], dst=args.to[0])
+	if ip6.dst != oip6.src:
+		return False
+	icmp6 = packet.getlayer(sp.ICMPv6TimeExceeded)
+	if not icmp6:
+		return False
+	# ICMP6_TIME_EXCEED_REASSEMBLY 1
+	if icmp6.code != 1:
+		return False
+	# Should we check the payload as well?
+	# We are running in a very isolated environment and nothing else
+	# should trigger an ICMPv6 Time Exceeded / Frag reassembly so leave it.
+	#icmp6.display()
+	return True
+
+
+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()
+
+
+	# Start sniffing on recvif
+	sniffer = Sniffer(args, check_icmp6_error)
+
+
+	########################################################################
+	#
+	# A single start fragment.
+	#
+	# A:  Waiting for more data.
+	# R:  Timeout / Expiry.
+	#
+	ip6f01 = sp.Ether() / \
+		sp.IPv6(src=args.src[0], dst=args.to[0]) / \
+		sp.IPv6ExtHdrFragment(offset=0, m=1, id=2) / \
+		sp.UDP(dport=3456, sport=6543)
+	if args.debug :
+		ip6f01.display()
+	sp.sendp(ip6f01, iface=args.sendif[0], verbose=False)
+
+	# Wait for ICMPv6 error generation on timeout.
+	sleep(3)
+	sniffer.setEnd()
+	sniffer.join()
+	if not sniffer.foundCorrectPacket:
+		sys.exit(1)
+
+	sys.exit(0)
+
+if __name__ == '__main__':
+	main()