Date: Tue, 27 Jul 2021 11:46:48 GMT From: Kristof Provost <kp@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 1156a429ebb1 - stable/13 - pf tests: Forwarding syncookie test Message-ID: <202107271146.16RBkmoV067843@gitrepo.freebsd.org>
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The branch stable/13 has been updated by kp: URL: https://cgit.FreeBSD.org/src/commit/?id=1156a429ebb13e18d41bbd7e18f612001733b493 commit 1156a429ebb13e18d41bbd7e18f612001733b493 Author: Kristof Provost <kp@FreeBSD.org> AuthorDate: 2021-06-02 16:16:03 +0000 Commit: Kristof Provost <kp@FreeBSD.org> CommitDate: 2021-07-27 07:43:58 +0000 pf tests: Forwarding syncookie test Test syncookies on a forwarding host. That is, in a setup where the machine (or vnet) running pf is not the same as the machine (or vnet) running the server it's protecting. MFC after: 1 week Sponsored by: Modirum MDPay Differential Revision: https://reviews.freebsd.org/D31141 (cherry picked from commit 3be9301a7e4fbd630cbde1bd3e1b59ac726e21af) --- tests/sys/netpfil/pf/Makefile | 1 + tests/sys/netpfil/pf/syncookie.sh | 84 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 85 insertions(+) diff --git a/tests/sys/netpfil/pf/Makefile b/tests/sys/netpfil/pf/Makefile index e5139b4262e1..cfa5f5c7c912 100644 --- a/tests/sys/netpfil/pf/Makefile +++ b/tests/sys/netpfil/pf/Makefile @@ -25,6 +25,7 @@ ATF_TESTS_SH+= anchor \ set_skip \ set_tos \ src_track \ + syncookie \ synproxy \ table \ tos diff --git a/tests/sys/netpfil/pf/syncookie.sh b/tests/sys/netpfil/pf/syncookie.sh new file mode 100644 index 000000000000..7bd045249be6 --- /dev/null +++ b/tests/sys/netpfil/pf/syncookie.sh @@ -0,0 +1,84 @@ +# $FreeBSD$ +# +# SPDX-License-Identifier: BSD-2-Clause-FreeBSD +# +# Copyright (c) 2021 Modirum MDPay +# +# 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. + +. $(atf_get_srcdir)/utils.subr + +atf_test_case "forward" "cleanup" +forward_head() +{ + atf_set descr 'Syncookies for forwarded hosts' + atf_set require.user root +} + +forward_body() +{ + pft_init + + epair_in=$(vnet_mkepair) + epair_out=$(vnet_mkepair) + + vnet_mkjail fwd ${epair_in}b ${epair_out}a + vnet_mkjail srv ${epair_out}b + + jexec fwd ifconfig ${epair_in}b 192.0.2.1/24 up + jexec fwd ifconfig ${epair_out}a 198.51.100.1/24 up + jexec fwd sysctl net.inet.ip.forwarding=1 + + jexec srv ifconfig ${epair_out}b 198.51.100.2/24 up + jexec srv route add default 198.51.100.1 + jexec srv /usr/sbin/inetd -p inetd-alcatraz.pid \ + $(atf_get_srcdir)/echo_inetd.conf + + ifconfig ${epair_in}a 192.0.2.2/24 up + route add -net 198.51.100.0/24 192.0.2.1 + + jexec fwd pfctl -e + pft_set_rules fwd \ + "set syncookies always" \ + "pass in" \ + "pass out" + + # Sanity check + atf_check -s exit:0 -o ignore ping -c 1 198.51.100.2 + + reply=$(echo foo | nc -N -w 5 198.51.100.2 7) + if [ "${reply}" != "foo" ]; + then + atf_fail "Failed to connect to syncookie protected echo daemon" + fi +} + +forward_cleanup() +{ + rm -f inetd-alcatraz.pid + pft_cleanup +} + +atf_init_test_cases() +{ + atf_add_test_case "forward" +}
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