96bc58ea81
The test makefiles will handle setting mode bits during install. Also, Phabricator gets upset when uploading an executable plain-text file without a shebang. MFC after: 1 week
149 lines
4.1 KiB
Bash
149 lines
4.1 KiB
Bash
# $FreeBSD$
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#
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# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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#
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# Copyright (c) 2017 Kristof Provost <kp@FreeBSD.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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. $(atf_get_srcdir)/utils.subr
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atf_test_case "too_many_fragments" "cleanup"
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too_many_fragments_head()
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{
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atf_set descr 'IPv4 fragment limitation test'
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atf_set require.user root
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}
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too_many_fragments_body()
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{
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pft_init
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epair=$(vnet_mkepair)
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vnet_mkjail alcatraz ${epair}a
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ifconfig ${epair}b inet 192.0.2.1/24 up
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jexec alcatraz ifconfig ${epair}a 192.0.2.2/24 up
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ifconfig ${epair}b mtu 200
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jexec alcatraz ifconfig ${epair}a mtu 200
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jexec alcatraz pfctl -e
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pft_set_rules alcatraz \
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"scrub all fragment reassemble"
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# So we know pf is limiting things
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jexec alcatraz sysctl net.inet.ip.maxfragsperpacket=1024
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# Sanity check
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atf_check -s exit:0 -o ignore ping -c 1 192.0.2.2
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# We can ping with < 64 fragments
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atf_check -s exit:0 -o ignore ping -c 1 -s 800 192.0.2.2
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# Too many fragments should fail
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atf_check -s exit:2 -o ignore ping -c 1 -s 20000 192.0.2.2
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}
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too_many_fragments_cleanup()
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{
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pft_cleanup
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}
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atf_test_case "v6" "cleanup"
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v6_head()
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{
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atf_set descr 'IPv6 fragmentation test'
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atf_set require.user root
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atf_set require.progs scapy
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}
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v6_body()
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{
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pft_init
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epair_send=$(vnet_mkepair)
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epair_link=$(vnet_mkepair)
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vnet_mkjail alcatraz ${epair_send}b ${epair_link}a
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vnet_mkjail singsing ${epair_link}b
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ifconfig ${epair_send}a inet6 2001:db8:42::1/64 no_dad up
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jexec alcatraz ifconfig ${epair_send}b inet6 2001:db8:42::2/64 no_dad up
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jexec alcatraz ifconfig ${epair_link}a inet6 2001:db8:43::2/64 no_dad up
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jexec alcatraz sysctl net.inet6.ip6.forwarding=1
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jexec singsing ifconfig ${epair_link}b inet6 2001:db8:43::3/64 no_dad up
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jexec singsing route add -6 2001:db8:42::/64 2001:db8:43::2
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route add -6 2001:db8:43::/64 2001:db8:42::2
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jexec alcatraz ifconfig ${epair_send}b inet6 -ifdisabled
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jexec alcatraz ifconfig ${epair_link}a inet6 -ifdisabled
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jexec singsing ifconfig ${epair_link}b inet6 -ifdisabled
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ifconfig ${epair_send}a inet6 -ifdisabled
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jexec alcatraz pfctl -e
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pft_set_rules alcatraz \
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"scrub fragment reassemble" \
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"block in" \
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"pass in inet6 proto icmp6 icmp6-type { neighbrsol, neighbradv }" \
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"pass in inet6 proto icmp6 icmp6-type { echoreq, echorep }"
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# Host test
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atf_check -s exit:0 -o ignore \
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ping6 -c 1 2001:db8:42::2
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atf_check -s exit:0 -o ignore \
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ping6 -c 1 -s 4500 2001:db8:42::2
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atf_check -s exit:0 -o ignore\
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ping6 -c 1 -b 70000 -s 65000 2001:db8:42::2
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# Forwarding test
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atf_check -s exit:0 -o ignore \
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ping6 -c 1 2001:db8:43::3
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atf_check -s exit:0 -o ignore \
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ping6 -c 1 -s 4500 2001:db8:43::3
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atf_check -s exit:0 -o ignore\
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ping6 -c 1 -b 70000 -s 65000 2001:db8:43::3
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$(atf_get_srcdir)/CVE-2019-5597.py \
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${epair_send}a \
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2001:db8:42::1 \
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2001:db8:43::3
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}
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v6_cleanup()
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{
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pft_cleanup
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}
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atf_init_test_cases()
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{
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atf_add_test_case "too_many_fragments"
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atf_add_test_case "v6"
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}
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