# $FreeBSD$ # # SPDX-License-Identifier: BSD-2-Clause-FreeBSD # # Copyright (c) 2020 Kristof Provost # # 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)/../common/vnet.subr is_master() { jail=$1 itf=$2 jexec ${jail} ifconfig ${itf} | grep carp | grep MASTER } wait_for_carp() { jail1=$1 itf1=$2 jail2=$3 itf2=$4 while [ -z "$(is_master ${jail1} ${itf1})" ] && [ -z "$(is_master ${jail2} ${itf2})" ]; do sleep 1 done } carp_init() { if ! kldstat -q -m carp; then atf_skip "This test requires carp" fi vnet_init } atf_test_case "basic_v4" "cleanup" basic_v4_head() { atf_set descr 'Basic CARP test (IPv4)' atf_set require.user root } basic_v4_body() { carp_init bridge=$(vnet_mkbridge) epair_one=$(vnet_mkepair) epair_two=$(vnet_mkepair) vnet_mkjail carp_basic_v4_one ${bridge} ${epair_one}a ${epair_two}a vnet_mkjail carp_basic_v4_two ${epair_one}b vnet_mkjail carp_basic_v4_three ${epair_two}b jexec carp_basic_v4_one ifconfig ${bridge} 192.0.2.4/29 up jexec carp_basic_v4_one ifconfig ${bridge} addm ${epair_one}a \ addm ${epair_two}a jexec carp_basic_v4_one ifconfig ${epair_one}a up jexec carp_basic_v4_one ifconfig ${epair_two}a up jexec carp_basic_v4_two ifconfig ${epair_one}b 192.0.2.202/29 up jexec carp_basic_v4_two ifconfig ${epair_one}b add vhid 1 192.0.2.1/29 jexec carp_basic_v4_three ifconfig ${epair_two}b 192.0.2.203/29 up jexec carp_basic_v4_three ifconfig ${epair_two}b add vhid 1 \ 192.0.2.1/29 wait_for_carp carp_basic_v4_two ${epair_one}b \ carp_basic_v4_three ${epair_two}b atf_check -s exit:0 -o ignore jexec carp_basic_v4_one \ ping -c 3 192.0.2.1 } basic_v4_cleanup() { vnet_cleanup } atf_test_case "basic_v6" "cleanup" basic_v6_head() { atf_set descr 'Basic CARP test (IPv6)' atf_set require.user root } basic_v6_body() { carp_init bridge=$(vnet_mkbridge) epair_one=$(vnet_mkepair) epair_two=$(vnet_mkepair) vnet_mkjail carp_basic_v6_one ${bridge} ${epair_one}a ${epair_two}a vnet_mkjail carp_basic_v6_two ${epair_one}b vnet_mkjail carp_basic_v6_three ${epair_two}b jexec carp_basic_v6_one ifconfig ${bridge} inet6 2001:db8::0:4/64 up \ no_dad jexec carp_basic_v6_one ifconfig ${bridge} addm ${epair_one}a \ addm ${epair_two}a jexec carp_basic_v6_one ifconfig ${epair_one}a up jexec carp_basic_v6_one ifconfig ${epair_two}a up jexec carp_basic_v6_two ifconfig ${epair_one}b inet6 \ 2001:db8::1:2/64 up no_dad jexec carp_basic_v6_two ifconfig ${epair_one}b inet6 add vhid 1 \ 2001:db8::0:1/64 jexec carp_basic_v6_three ifconfig ${epair_two}b inet6 2001:db8::1:3/64 up no_dad jexec carp_basic_v6_three ifconfig ${epair_two}b inet6 add vhid 1 \ 2001:db8::0:1/64 wait_for_carp carp_basic_v6_two ${epair_one}b \ carp_basic_v6_three ${epair_two}b atf_check -s exit:0 -o ignore jexec carp_basic_v6_one \ ping -6 -c 3 2001:db8::0:1 } basic_v6_cleanup() { vnet_cleanup } atf_test_case "negative_demotion" "cleanup" negative_demotion_head() { atf_set descr 'Test PR #259528' atf_set require.user root } negative_demotion_body() { carp_init epair=$(vnet_mkepair) vnet_mkjail one ${epair}a jexec one sysctl net.inet.carp.preempt=1 jexec one ifconfig ${epair}a 192.0.2.1/24 up jexec one ifconfig ${epair}a add vhid 1 192.0.2.254/24 \ advskew 0 pass foobar vnet_mkjail two ${epair}b jexec two sysctl net.inet.carp.preempt=1 jexec two ifconfig ${epair}b 192.0.2.2/24 up jexec two ifconfig ${epair}b add vhid 1 192.0.2.254/24 \ advskew 100 pass foobar # Allow things to settle wait_for_carp one ${epair}a two ${epair}b if is_master one ${epair}a && is_master two ${epair}b then atf_fail "Two masters!" fi jexec one sysctl net.inet.carp.demotion=-1 sleep 3 if is_master one ${epair}a && is_master two ${epair}b then atf_fail "Two masters!" fi } negative_demotion_cleanup() { vnet_cleanup } atf_test_case "nd6_ns_source_mac" "cleanup" nd6_ns_source_mac_head() { atf_set descr 'CARP ndp neighbor solicitation MAC source test (IPv6)' atf_set require.user root } nd6_ns_source_mac_body() { carp_init bridge=$(vnet_mkbridge) epair_one=$(vnet_mkepair) epair_two=$(vnet_mkepair) vnet_mkjail carp_ndp_v6_bridge ${bridge} ${epair_one}a ${epair_two}a vnet_mkjail carp_ndp_v6_master ${epair_one}b vnet_mkjail carp_ndp_v6_slave ${epair_two}b jexec carp_ndp_v6_bridge ifconfig ${bridge} inet6 2001:db8::0:4/64 up \ no_dad jexec carp_ndp_v6_bridge ifconfig ${bridge} addm ${epair_one}a \ addm ${epair_two}a jexec carp_ndp_v6_bridge ifconfig ${epair_one}a up jexec carp_ndp_v6_bridge ifconfig ${epair_two}a up jexec carp_ndp_v6_master ifconfig ${epair_one}b inet6 \ 2001:db8::1:2/64 up no_dad jexec carp_ndp_v6_master ifconfig ${epair_one}b inet6 add vhid 1 \ advskew 0 2001:db8::0:1/64 jexec carp_ndp_v6_slave ifconfig ${epair_two}b inet6 \ 2001:db8::1:3/64 up no_dad jexec carp_ndp_v6_slave ifconfig ${epair_two}b inet6 add vhid 1 \ advskew 100 2001:db8::0:1/64 wait_for_carp carp_ndp_v6_master ${epair_one}b \ carp_ndp_v6_slave ${epair_two}b # carp_ndp_v6_master is MASTER # trigger a NS from the virtual IP from the BACKUP atf_check -s exit:2 -o ignore jexec carp_ndp_v6_slave \ ping -6 -c 3 -S 2001:db8::0:1 2001:db8::0:4 # trigger a NS from the virtual IP from the MASTER, # this ping should work atf_check -s exit:0 -o ignore jexec carp_ndp_v6_master \ ping -6 -c 3 -S 2001:db8::0:1 2001:db8::0:4 # ndp entry should be for the virtual mac atf_check -o match:'2001:db8::1 +00:00:5e:00:01:01' \ jexec carp_ndp_v6_bridge ndp -an } nd6_ns_source_mac_cleanup() { vnet_cleanup } atf_init_test_cases() { atf_add_test_case "basic_v4" atf_add_test_case "basic_v6" atf_add_test_case "negative_demotion" atf_add_test_case "nd6_ns_source_mac" }