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pf tests: synproxy to localhost test

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Test syn-proxying a connection to the local host.

Sponsored by:	Modirum MDPay
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D31854
This commit is contained in:
Kristof Provost 2021-06-30 14:22:27 +02:00
parent 0a51d74c3a
commit 6598cababf
1 changed files with 83 additions and 0 deletions
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83
tests/sys/netpfil/pf/synproxy.sh
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@ -79,7 +79,90 @@ synproxy_cleanup()
pft_cleanup
}
atf_test_case "local" "cleanup"
local_head()
{
atf_set descr 'Synproxy a locally terminated connection'
atf_set require.user root
}
local_body()
{
pft_init
epair=$(vnet_mkepair)
ifconfig ${epair}a 192.0.2.2/24 up
vnet_mkjail alcatraz ${epair}b
jexec alcatraz ifconfig ${epair}b 192.0.2.1/24 up
jexec alcatraz /usr/sbin/inetd -p inetd-alcatraz.pid \
$(atf_get_srcdir)/echo_inetd.conf
jexec alcatraz pfctl -e
pft_set_rules alcatraz "set fail-policy return" \
"scrub in all fragment reassemble" \
"pass in quick on ${epair}b proto tcp from any to any port 7 synproxy state"
# Sanity check
atf_check -s exit:0 -o ignore ping -c 1 192.0.2.1
# Check that we can talk to the jail, after synproxying
reply=$(echo ping | nc -N -w 5 192.0.2.1 7)
if [ "${reply}" != "ping" ];
then
atf_fail "echo failed"
fi
}
local_cleanup()
{
rm -f inetd-alcatraz.pid
pft_cleanup
}
atf_test_case "local_v6" "cleanup"
local_v6_head()
{
atf_set descr 'Synproxy (v6) a locally terminated connection'
atf_set require.user root
}
local_v6_body()
{
pft_init
epair=$(vnet_mkepair)
ifconfig ${epair}a inet6 2001:db8:42::1/64 up
vnet_mkjail alcatraz ${epair}b
jexec alcatraz ifconfig ${epair}b inet6 2001:db8:42::2/64 up
jexec alcatraz /usr/sbin/inetd -p inetd-alcatraz.pid \
$(atf_get_srcdir)/echo_inetd.conf
jexec alcatraz pfctl -e
pft_set_rules alcatraz "set fail-policy return" \
"scrub in all fragment reassemble" \
"pass in quick on ${epair}b proto tcp from any to any port 7 synproxy state"
# Sanity check
atf_check -s exit:0 -o ignore ping6 -c 1 2001:db8:42::2
reply=$(echo ping | nc -N -w 5 2001:db8:42::2 7)
if [ "${reply}" != "ping" ];
then
atf_fail "echo failed"
fi
}
local_v6_cleanup()
{
rm -f inetd-alcatraz.pid
pft_cleanup
}
atf_init_test_cases()
{
atf_add_test_case "synproxy"
atf_add_test_case "local"
atf_add_test_case "local_v6"
}