pf tests: basic SCTP connection test
pf can now inspect SCTP. Check that we can set up a connection. IPv4 and IPv6 tests. MFC after: 3 weeks Sponsored by: Orange Business Services Differential Revision: https://reviews.freebsd.org/D40863
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@ -31,6 +31,7 @@ ATF_TESTS_SH+= altq \
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rules_counter \
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scrub_compat \
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scrub_pass \
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sctp \
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set_skip \
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set_tos \
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src_track \
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190
tests/sys/netpfil/pf/sctp.sh
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190
tests/sys/netpfil/pf/sctp.sh
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@ -0,0 +1,190 @@
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# $FreeBSD$
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#
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# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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#
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# Copyright © 2023 Orange Business Services
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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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. $(atf_get_srcdir)/utils.subr
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sctp_init()
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{
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pft_init
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if ! kldstat -q -m sctp; then
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atf_skip "This test requires SCTP"
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fi
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}
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atf_test_case "basic_v4" "cleanup"
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basic_v4_head()
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{
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atf_set descr 'Basic SCTP connection over IPv4 passthrough'
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atf_set require.user root
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}
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basic_v4_body()
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{
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sctp_init
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j="sctp:basic_v4"
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epair=$(vnet_mkepair)
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vnet_mkjail ${j}a ${epair}a
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vnet_mkjail ${j}b ${epair}b
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jexec ${j}a ifconfig ${epair}a 192.0.2.1/24 up
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jexec ${j}b ifconfig ${epair}b 192.0.2.2/24 up
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# Sanity check
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atf_check -s exit:0 -o ignore \
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jexec ${j}a ping -c 1 192.0.2.2
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jexec ${j}a pfctl -e
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pft_set_rules ${j}a \
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"block" \
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"pass in proto sctp to port 1234"
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echo "foo" | jexec ${j}a nc --sctp -N -l 1234 &
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# Wait for the server to start
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sleep 1
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out=$(jexec ${j}b nc --sctp -N -w 3 192.0.2.1 1234)
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if [ "$out" != "foo" ]; then
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atf_fail "SCTP connection failed"
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fi
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# Now with scrub rules present, so normalization is done
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pft_set_rules ${j}a \
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"scrub on ${j}a" \
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"block" \
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"pass in proto sctp to port 1234"
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echo "foo" | jexec ${j}a nc --sctp -N -l 1234 &
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sleep 1
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out=$(jexec ${j}b nc --sctp -N -w 3 192.0.2.1 1234)
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if [ "$out" != "foo" ]; then
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atf_fail "SCTP connection failed"
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fi
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# Now fail with a blocked port
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echo "foo" | jexec ${j}a nc --sctp -N -l 1235 &
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sleep 1
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out=$(jexec ${j}b nc --sctp -N -w 3 192.0.2.1 1235)
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if [ "$out" == "foo" ]; then
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atf_fail "SCTP port block failed"
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fi
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# Now fail with a blocked port but passing source port
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out=$(jexec ${j}b nc --sctp -N -w 3 -p 1234 192.0.2.1 1235)
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if [ "$out" == "foo" ]; then
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atf_fail "SCTP port block failed"
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fi
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}
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basic_v4_cleanup()
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{
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pft_cleanup
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}
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atf_test_case "basic_v6" "cleanup"
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basic_v6_head()
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{
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atf_set descr 'Basic SCTP connection over IPv6'
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atf_set require.user root
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}
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basic_v6_body()
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{
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sctp_init
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j="sctp:basic_v6"
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epair=$(vnet_mkepair)
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vnet_mkjail ${j}a ${epair}a
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vnet_mkjail ${j}b ${epair}b
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jexec ${j}a ifconfig ${epair}a inet6 2001:db8::a/64 up no_dad
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jexec ${j}b ifconfig ${epair}b inet6 2001:db8::b/64 up no_dad
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# Sanity check
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atf_check -s exit:0 -o ignore \
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jexec ${j}a ping -6 -c 1 2001:db8::b
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jexec ${j}a pfctl -e
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pft_set_rules ${j}a \
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"block proto sctp" \
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"pass in proto sctp to port 1234"
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echo "foo" | jexec ${j}a nc -6 --sctp -N -l 1234 &
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# Wait for the server to start
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sleep 1
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out=$(jexec ${j}b nc --sctp -N -w 3 2001:db8::a 1234)
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if [ "$out" != "foo" ]; then
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atf_fail "SCTP connection failed"
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fi
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# Now with scrub rules present, so normalization is done
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pft_set_rules ${j}a \
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"scrub on ${j}a" \
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"block proto sctp" \
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"pass in proto sctp to port 1234"
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echo "foo" | jexec ${j}a nc -6 --sctp -N -l 1234 &
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sleep 1
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out=$(jexec ${j}b nc --sctp -N -w 3 2001:db8::a 1234)
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if [ "$out" != "foo" ]; then
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atf_fail "SCTP connection failed"
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fi
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# Now fail with a blocked port
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echo "foo" | jexec ${j}a nc -6 --sctp -N -l 1235 &
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sleep 1
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out=$(jexec ${j}b nc --sctp -N -w 3 2001:db8::a 1235)
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if [ "$out" == "foo" ]; then
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atf_fail "SCTP port block failed"
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fi
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# Now fail with a blocked port but passing source port
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out=$(jexec ${j}b nc --sctp -N -w 3 -p 1234 2001:db8::a 1235)
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if [ "$out" == "foo" ]; then
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atf_fail "SCTP port block failed"
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fi
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}
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basic_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 "basic_v4"
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atf_add_test_case "basic_v6"
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}
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