freebsd-dev/tests/sys/netpfil/pf/set_skip.sh
Kristof Provost 45db385545 pf tests: More set skip on <ifgroup> tests
Test the specific case reported in PR 255852. Clearing the skip flag
on groups was broken because pfctl couldn't work out if a kif was a
group or not, because the kernel no longer set the pfik_group pointer.

PR:		255852
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D30285
2021-05-17 13:48:06 +02:00

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# $FreeBSD$
#
# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
#
# Copyright (c) 2018 Kristof Provost <kp@FreeBSD.org>
#
# 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.
. $(atf_get_srcdir)/utils.subr
atf_test_case "set_skip_group" "cleanup"
set_skip_group_head()
{
atf_set descr 'Basic set skip test'
atf_set require.user root
}
set_skip_group_body()
{
# See PR 229241
pft_init
vnet_mkjail alcatraz
jexec alcatraz ifconfig lo0 127.0.0.1/8 up
jexec alcatraz ifconfig lo0 group foo
jexec alcatraz pfctl -e
pft_set_rules alcatraz "set skip on foo" \
"block in proto icmp"
jexec alcatraz ifconfig
atf_check -s exit:0 -o ignore jexec alcatraz ping -c 1 127.0.0.1
}
set_skip_group_cleanup()
{
pft_cleanup
}
atf_test_case "set_skip_group_lo" "cleanup"
set_skip_group_lo_head()
{
atf_set descr 'Basic set skip test, lo'
atf_set require.user root
}
set_skip_group_lo_body()
{
# See PR 229241
pft_init
vnet_mkjail alcatraz
jexec alcatraz ifconfig lo0 127.0.0.1/8 up
jexec alcatraz pfctl -e
pft_set_rules alcatraz "set skip on lo" \
"block on lo0"
atf_check -s exit:0 -o ignore jexec alcatraz ping -c 1 127.0.0.1
pft_set_rules noflush alcatraz "set skip on lo" \
"block on lo0"
atf_check -s exit:0 -o ignore jexec alcatraz ping -c 1 127.0.0.1
jexec alcatraz pfctl -s rules
}
set_skip_group_lo_cleanup()
{
pft_cleanup
}
atf_test_case "set_skip_dynamic" "cleanup"
set_skip_dynamic_head()
{
atf_set descr "Cope with group changes"
atf_set require.user root
}
set_skip_dynamic_body()
{
pft_init
set -x
vnet_mkjail alcatraz
jexec alcatraz pfctl -e
pft_set_rules alcatraz "set skip on epair" \
"block"
epair=$(vnet_mkepair)
ifconfig ${epair}a 192.0.2.2/24 up
ifconfig ${epair}b vnet alcatraz
jexec alcatraz ifconfig ${epair}b 192.0.2.1/24 up
atf_check -s exit:0 -o ignore jexec alcatraz ping -c 1 192.0.2.2
}
set_skip_dynamic_cleanup()
{
pft_cleanup
}
atf_test_case "pr255852" "cleanup"
pr255852_head()
{
atf_set descr "PR 255852"
atf_set require.user root
}
pr255852_body()
{
pft_init
epair=$(vnet_mkepair)
ifconfig ${epair}a 192.0.2.1/24 up
vnet_mkjail alcatraz ${epair}b
jexec alcatraz ifconfig lo0 127.0.0.1/8 up
jexec alcatraz ifconfig ${epair}b 192.0.2.2/24 up
# Sanity check
atf_check -s exit:0 -o ignore ping -c 1 192.0.2.2
jexec alcatraz pfctl -e
pft_set_rules alcatraz "set skip on { lo0, epair }" \
"block"
jexec alcatraz pfctl -vsI
# We're skipping on epair, so this should work
atf_check -s exit:0 -o ignore ping -c 1 192.0.2.2
# Note: flushing avoid the issue
pft_set_rules noflush alcatraz "set skip on { lo0 }" \
"block"
jexec alcatraz pfctl -vsI
# No longer skipping, so this should fail
atf_check -s exit:2 -o ignore ping -c 1 -t 1 192.0.2.2
}
pr255852_cleanup()
{
pft_cleanup
}
atf_init_test_cases()
{
atf_add_test_case "set_skip_group"
atf_add_test_case "set_skip_group_lo"
atf_add_test_case "set_skip_dynamic"
atf_add_test_case "pr255852"
}