Date: Fri, 17 Aug 2018 15:02:58 +0000 (UTC) From: Kristof Provost <kp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r337971 - head/tests/sys/netpfil/pf Message-ID: <201808171502.w7HF2wSq078648@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: kp Date: Fri Aug 17 15:02:58 2018 New Revision: 337971 URL: https://svnweb.freebsd.org/changeset/base/337971 Log: pf tests: Verify that pf limits the number of fragments per packet Test the limitation on number of frames per packet introduced in pf in r337969. Sponsored by: Klara Systems Modified: head/tests/sys/netpfil/pf/fragmentation.sh Modified: head/tests/sys/netpfil/pf/fragmentation.sh ============================================================================== --- head/tests/sys/netpfil/pf/fragmentation.sh Fri Aug 17 15:00:41 2018 (r337970) +++ head/tests/sys/netpfil/pf/fragmentation.sh Fri Aug 17 15:02:58 2018 (r337971) @@ -2,6 +2,49 @@ . $(atf_get_srcdir)/utils.subr +atf_test_case "too_many_fragments" "cleanup" + +too_many_fragments_head() +{ + atf_set descr 'IPv4 fragment limitation test' + atf_set require.user root +} + +too_many_fragments_body() +{ + pft_init + + epair=$(pft_mkepair) + pft_mkjail alcatraz ${epair}a + + ifconfig ${epair}b inet 192.0.2.1/24 up + jexec alcatraz ifconfig ${epair}a 192.0.2.2/24 up + + ifconfig ${epair}b mtu 200 + jexec alcatraz ifconfig ${epair}a mtu 200 + + jexec alcatraz pfctl -e + pft_set_rules alcatraz \ + "scrub all fragment reassemble" + + # So we know pf is limiting things + jexec alcatraz sysctl net.inet.ip.maxfragsperpacket=1024 + + # Sanity check + atf_check -s exit:0 -o ignore ping -c 1 192.0.2.2 + + # We can ping with < 64 fragments + atf_check -s exit:0 -o ignore ping -c 1 -s 800 192.0.2.2 + + # Too many fragments should fail + atf_check -s exit:2 -o ignore ping -c 1 -s 20000 192.0.2.2 +} + +too_many_fragments_cleanup() +{ + pft_cleanup +} + atf_test_case "v6" "cleanup" v6_head() { @@ -70,5 +113,6 @@ v6_cleanup() atf_init_test_cases() { + atf_add_test_case "too_many_fragments" atf_add_test_case "v6" }
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201808171502.w7HF2wSq078648>