IPv6 tests: test case for scapy bpf parsing bug
PR: 239380 Reported by: lwhsu, CI system MFC after: 3 weeks Sponsored by: Netflix
This commit is contained in:
Bjoern A. Zeeb
parent
f21d32079f
commit
ed91ae7fe6
@ -6,11 +6,14 @@ TESTSDIR= ${TESTSBASE}/sys/netinet6
|
||||
FILESDIR= ${TESTSDIR}
|
||||
|
||||
ATF_TESTS_SH= \
|
||||
exthdr
|
||||
exthdr \
|
||||
scapyi386
|
||||
|
||||
${PACKAGE}FILES+= exthdr.py
|
||||
${PACKAGE}FILES+= scapyi386.py
|
||||
|
||||
${PACKAGE}FILESMODE_exthdr.py= 0555
|
||||
${PACKAGE}FILESMODE_scapyi386.py=0555
|
||||
|
||||
TESTS_SUBDIRS+= frag6
|
||||
|
||||
|
||||
85
tests/sys/netinet6/scapyi386.py
Normal file
85
tests/sys/netinet6/scapyi386.py
Normal file
@ -0,0 +1,85 @@
|
||||
#!/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("scapyi386.py",
|
||||
description="IPv6 Ethernet Dest MAC test")
|
||||
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()
|
||||
|
||||
########################################################################
|
||||
#
|
||||
# A test case to check that IPv6 packets are sent with a proper
|
||||
# (resolved) Ethernet Destination MAC address instead of the BCAST one.
|
||||
# This was needed as test cases did not work properly on i386 due to a
|
||||
# scapy BPF parsing bug. (See PR 239380 and duplicates).
|
||||
#
|
||||
bcmac = sp.Ether(dst="ff:ff:ff:ff:ff:ff").dst
|
||||
data = "6" * 88
|
||||
pkt = sp.Ether() / \
|
||||
sp.IPv6(src=args.src[0], dst=args.to[0]) / \
|
||||
sp.UDP(dport=3456, sport=6543) / \
|
||||
data
|
||||
sp.sendp(pkt, iface=args.sendif[0], verbose=False)
|
||||
|
||||
eth = pkt.getlayer(sp.Ether)
|
||||
if eth is None:
|
||||
print("No Ether in packet")
|
||||
pkt.display()
|
||||
sys.exit(1)
|
||||
if eth.dst == bcmac:
|
||||
print("Broadcast dMAC on packet")
|
||||
eth.display()
|
||||
sys.exit(1)
|
||||
|
||||
sys.exit(0)
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
94
tests/sys/netinet6/scapyi386.sh
Executable file
94
tests/sys/netinet6/scapyi386.sh
Executable file
@ -0,0 +1,94 @@
|
||||
# $FreeBSD$
|
||||
#-
|
||||
# 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.
|
||||
#
|
||||
|
||||
. $(atf_get_srcdir)/../common/vnet.subr
|
||||
|
||||
atf_test_case "scapyi386" "cleanup"
|
||||
scapyi386_head() {
|
||||
|
||||
atf_set descr 'Test for correct Ethernet Destination MAC address'
|
||||
atf_set require.user root
|
||||
atf_set require.progs scapy
|
||||
}
|
||||
|
||||
scapyi386_body() {
|
||||
|
||||
if [ "$(atf_config_get ci false)" = "true" ] && \
|
||||
[ "$(uname -p)" = "i386" ]; then
|
||||
atf_skip "https://bugs.freebsd.org/239380"
|
||||
fi
|
||||
|
||||
ids=65533
|
||||
id=`printf "%x" ${ids}`
|
||||
if [ $$ -gt 65535 ]; then
|
||||
xl=`printf "%x" $(($$ - 65535))`
|
||||
yl="1"
|
||||
else
|
||||
xl=`printf "%x" $$`
|
||||
yl=""
|
||||
fi
|
||||
|
||||
vnet_init
|
||||
|
||||
ip6a="2001:db8:6666:0000:${yl}:${id}:1:${xl}"
|
||||
ip6b="2001:db8:6666:0000:${yl}:${id}:2:${xl}"
|
||||
|
||||
epair=$(vnet_mkepair)
|
||||
ifconfig ${epair}a up
|
||||
ifconfig ${epair}a inet6 ${ip6a}/64
|
||||
|
||||
jname="v6t-${id}-${yl}-${xl}"
|
||||
vnet_mkjail ${jname} ${epair}b
|
||||
jexec ${jname} ifconfig ${epair}b up
|
||||
jexec ${jname} ifconfig ${epair}b inet6 ${ip6b}/64
|
||||
|
||||
# Let IPv6 ND do its thing.
|
||||
#ping6 -q -c 1 ff02::1%${epair}a
|
||||
#ping6 -q -c 1 ${ip6b}
|
||||
sleep 3
|
||||
|
||||
pyname=$(atf_get ident)
|
||||
pyname=${pyname%*_[0-9]}
|
||||
|
||||
atf_check -s exit:0 $(atf_get_srcdir)/${pyname}.py \
|
||||
--sendif ${epair}a --recvif ${epair}a \
|
||||
--src ${ip6a} --to ${ip6b}
|
||||
}
|
||||
|
||||
scapyi386_cleanup() {
|
||||
|
||||
vnet_cleanup
|
||||
}
|
||||
|
||||
atf_init_test_cases()
|
||||
{
|
||||
|
||||
atf_add_test_case "scapyi386"
|
||||
}
|
||||
|
||||
# end
|
||||
Loading…
Reference in New Issue
Block a user