git: 07b8f5dca17b - stable/13 - pf tests: basic test for ridentifier
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Date: Fri, 26 Nov 2021 19:40:11 UTC
The branch stable/13 has been updated by kp: URL: https://cgit.FreeBSD.org/src/commit/?id=07b8f5dca17bb45257e6ded2de7cf831b0c27716 commit 07b8f5dca17bb45257e6ded2de7cf831b0c27716 Author: Kristof Provost <kp@FreeBSD.org> AuthorDate: 2021-10-29 15:52:59 +0000 Commit: Kristof Provost <kp@FreeBSD.org> CommitDate: 2021-11-26 03:39:33 +0000 pf tests: basic test for ridentifier MFC after: 3 weeks Sponsored by: Rubicon Communications, LLC ("Netgate") Differential Revision: https://reviews.freebsd.org/D32751 (cherry picked from commit 508161111dc23cee0a41fa70de865743c694502f) --- tests/sys/netpfil/pf/Makefile | 1 + tests/sys/netpfil/pf/ridentifier.sh | 108 ++++++++++++++++++++++++++++++++++++ tests/sys/netpfil/pf/utils.subr | 7 +++ 3 files changed, 116 insertions(+) diff --git a/tests/sys/netpfil/pf/Makefile b/tests/sys/netpfil/pf/Makefile index 246c267e7d2b..e62f3485d26d 100644 --- a/tests/sys/netpfil/pf/Makefile +++ b/tests/sys/netpfil/pf/Makefile @@ -22,6 +22,7 @@ ATF_TESTS_SH+= altq \ pfsync \ proxy \ rdr \ + ridentifier \ route_to \ rules_counter \ set_skip \ diff --git a/tests/sys/netpfil/pf/ridentifier.sh b/tests/sys/netpfil/pf/ridentifier.sh new file mode 100644 index 000000000000..da2f40c7ae98 --- /dev/null +++ b/tests/sys/netpfil/pf/ridentifier.sh @@ -0,0 +1,108 @@ +# $FreeBSD$ +# +# SPDX-License-Identifier: BSD-2-Clause-FreeBSD +# +# Copyright (c) 2021 Rubicon Communications, LLC (Netgate) +# +# 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. + +. $(atf_get_srcdir)/utils.subr + +atf_test_case "basic" "cleanup" +basic_head() +{ + atf_set descr 'Test ridentifier keyword' + atf_set require.user root +} + +basic_body() +{ + pft_init + pflog_init + + epair=$(vnet_mkepair) + + ifconfig ${epair}a 192.0.2.1/24 up + + vnet_mkjail alcatraz ${epair}b + jexec alcatraz ifconfig lo0 up + jexec alcatraz ifconfig ${epair}b 192.0.2.2/24 up + jexec alcatraz /usr/sbin/inetd -p inetd-alcatraz.pid $(atf_get_srcdir)/echo_inetd.conf + + # Sanity check + atf_check -s exit:0 -o ignore ping -c 1 192.0.2.2 + + jexec alcatraz pfctl -e + jexec alcatraz ifconfig pflog0 up + pft_set_rules alcatraz \ + "pass in log" \ + "pass in log proto tcp ridentifier 1234" + + jexec alcatraz tcpdump --immediate-mode -n -e -i pflog0 > tcpdump.log & + sleep 1 + + echo "test" | nc -N 192.0.2.2 7 + atf_check -s exit:0 -o ignore ping -c 1 192.0.2.2 + + sleep 1 + jexec alcatraz killall tcpdump + + # Make sure we spotted the ridentifier + atf_check -s exit:0 -o ignore \ + grep 'rule 1/0.*ridentifier 1234' tcpdump.log + # But not on the !TCP traffic + atf_check -s exit:1 -o ignore \ + grep 'rule 0/0.*ridentifier' tcpdump.log + + # Now try with antispoof rules + pft_set_rules alcatraz \ + "pass in log" \ + "antispoof log for ${epair}b ridentifier 4321" + + jexec alcatraz tcpdump --immediate-mode -n -e -i pflog0 > tcpdump.log & + sleep 1 + + # Without explicit rules for lo0 we're going to drop packets to ourself + atf_check -s exit:2 -o ignore -e ignore \ + jexec alcatraz ping -c 1 -t 1 192.0.2.2 + + sleep 1 + jexec alcatraz killall tcpdump + + cat tcpdump.log + + # Make sure we spotted the ridentifier + atf_check -s exit:0 -o ignore \ + grep 'rule 2/0.*ridentifier 4321' tcpdump.log +} + +basic_cleanup() +{ + pft_cleanup + rm -f inetd-alcatraz.pid + rm -f tcpdump.log +} + +atf_init_test_cases() +{ + atf_add_test_case "basic" +} diff --git a/tests/sys/netpfil/pf/utils.subr b/tests/sys/netpfil/pf/utils.subr index d7df2a6747da..c9a404c8012e 100644 --- a/tests/sys/netpfil/pf/utils.subr +++ b/tests/sys/netpfil/pf/utils.subr @@ -46,6 +46,13 @@ pfsynct_init() fi } +pflog_init() +{ + if ! kldstat -q -m pflog; then + atf_skip "This test requires pflog" + fi +} + pft_set_rules() { jname=$1