diff --git a/tests/sys/netpfil/common/Makefile b/tests/sys/netpfil/common/Makefile index a4c135dbce08..9e1efc924c6e 100644 --- a/tests/sys/netpfil/common/Makefile +++ b/tests/sys/netpfil/common/Makefile @@ -1,19 +1,21 @@ # $FreeBSD$ PACKAGE= tests TESTSDIR= ${TESTSBASE}/sys/netpfil/common -ATF_TESTS_SH+= pass_block +ATF_TESTS_SH+= \ + nat \ + pass_block ${PACKAGE}FILES+= \ pft_ping.py \ pft_synflood.py \ runner.subr \ sniffer.py \ utils.subr ${PACKAGE}FILESMODE_pft_ping.py= 0555 ${PACKAGE}FILESMODE_pft_synflood.py= 0555 .include diff --git a/tests/sys/netpfil/common/nat.sh b/tests/sys/netpfil/common/nat.sh new file mode 100644 index 000000000000..f74467dce062 --- /dev/null +++ b/tests/sys/netpfil/common/nat.sh @@ -0,0 +1,156 @@ +#- +# SPDX-License-Identifier: BSD-2-Clause-FreeBSD +# +# Copyright (c) 2019 Ahsan Barkati +# +# 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. +# +# $FreeBSD$ +# + +. $(atf_get_srcdir)/utils.subr +. $(atf_get_srcdir)/runner.subr + +basic_head() +{ + atf_set descr 'Basic IPv4 NAT test' + atf_set require.user root +} + +basic_body() +{ + firewall=$1 + firewall_init $firewall + nat_init $firewall + + epair_host_nat=$(vnet_mkepair) + epair_client1_nat=$(vnet_mkepair) + epair_client2_nat=$(vnet_mkepair) + + vnet_mkjail nat ${epair_host_nat}b ${epair_client1_nat}a ${epair_client2_nat}a + vnet_mkjail client1 ${epair_client1_nat}b + vnet_mkjail client2 ${epair_client2_nat}b + + ifconfig ${epair_host_nat}a 198.51.100.2/24 up + jexec nat ifconfig ${epair_host_nat}b 198.51.100.1/24 up + + jexec nat ifconfig ${epair_client1_nat}a 192.0.2.1/24 up + jexec client1 ifconfig ${epair_client1_nat}b 192.0.2.2/24 up + + jexec nat ifconfig ${epair_client2_nat}a 192.0.3.1/24 up + jexec client2 ifconfig ${epair_client2_nat}b 192.0.3.2/24 up + + jexec nat sysctl net.inet.ip.forwarding=1 + + jexec client1 route add -net 198.51.100.0/24 192.0.2.1 + jexec client2 route add -net 198.51.100.0/24 192.0.3.1 + + # ping fails without NAT configuration + atf_check -s exit:2 -o ignore jexec client1 ping -t 1 -c 1 198.51.100.2 + atf_check -s exit:2 -o ignore jexec client2 ping -t 1 -c 1 198.51.100.2 + + firewall_config nat ${firewall} \ + "pf" \ + "nat pass on ${epair_host_nat}b inet from any to any -> (${epair_host_nat}b)" \ + "ipfw" \ + "ipfw -q nat 123 config if ${epair_host_nat}b" \ + "ipfw -q add 1000 nat 123 all from any to any" \ + "ipfnat" \ + "map ${epair_host_nat}b 192.0.3.0/24 -> 0/32" \ + "map ${epair_host_nat}b 192.0.2.0/24 -> 0/32" \ + + + # ping is successful now + atf_check -s exit:0 -o ignore jexec client1 ping -t 1 -c 1 198.51.100.2 + atf_check -s exit:0 -o ignore jexec client2 ping -t 1 -c 1 198.51.100.2 + +} + +basic_cleanup() +{ + firewall=$1 + firewall_cleanup $firewall +} + +userspace_nat_head() +{ + atf_set descr 'Nat test for ipfw using userspace natd' + atf_set require.user root +} +userspace_nat_body() +{ + firewall=$1 + firewall_init $firewall + + if ! kldstat -q -m ipdivert; then + atf_skip "This test requires ipdivert module loaded" + fi + + epair_host_nat=$(vnet_mkepair) + epair_client1_nat=$(vnet_mkepair) + epair_client2_nat=$(vnet_mkepair) + + vnet_mkjail nat ${epair_host_nat}b ${epair_client1_nat}a ${epair_client2_nat}a + vnet_mkjail client1 ${epair_client1_nat}b + vnet_mkjail client2 ${epair_client2_nat}b + + ifconfig ${epair_host_nat}a 198.51.100.2/24 up + jexec nat ifconfig ${epair_host_nat}b 198.51.100.1/24 up + + jexec nat ifconfig ${epair_client1_nat}a 192.0.2.1/24 up + jexec client1 ifconfig ${epair_client1_nat}b 192.0.2.2/24 up + + jexec nat ifconfig ${epair_client2_nat}a 192.0.3.1/24 up + jexec client2 ifconfig ${epair_client2_nat}b 192.0.3.2/24 up + + jexec nat sysctl net.inet.ip.forwarding=1 + + jexec client1 route add -net 198.51.100.0/24 192.0.2.1 + jexec client2 route add -net 198.51.100.0/24 192.0.3.1 + # Test the userspace NAT of ipfw + # ping fails without NAT configuration + atf_check -s exit:2 -o ignore jexec client1 ping -t 1 -c 1 198.51.100.2 + atf_check -s exit:2 -o ignore jexec client2 ping -t 1 -c 1 198.51.100.2 + + firewall_config nat ${firewall} \ + "ipfw" \ + "natd -interface ${epair_host_nat}b" \ + "ipfw -q add divert natd all from any to any via ${epair_host_nat}b" \ + + # ping is successful now + atf_check -s exit:0 -o ignore jexec client1 ping -t 1 -c 1 198.51.100.2 + atf_check -s exit:0 -o ignore jexec client2 ping -t 1 -c 1 198.51.100.2 +} + +userspace_nat_cleanup() +{ + firewall=$1 + firewall_cleanup $firewall +} + +setup_tests \ + basic \ + pf \ + ipfw \ + ipfnat \ + userspace_nat \ + ipfw \ No newline at end of file diff --git a/tests/sys/netpfil/common/utils.subr b/tests/sys/netpfil/common/utils.subr index d871962f5341..3f9d6b40183a 100644 --- a/tests/sys/netpfil/common/utils.subr +++ b/tests/sys/netpfil/common/utils.subr @@ -1,113 +1,123 @@ #- # SPDX-License-Identifier: BSD-2-Clause-FreeBSD # # Copyright (c) 2019 Ahsan Barkati # # 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. # # $FreeBSD$ # . $(atf_get_srcdir)/../../common/vnet.subr firewall_config() { jname=$1 shift fw=$1 shift while [ $# -gt 0 ]; do - if [ $(is_firewall $fw) -eq 1 ]; then + if [ $(is_firewall "$1") -eq 1 ]; then current_fw="$1" shift filename=${current_fw}.rule cwd=$(pwd) if [ -f ${current_fw}.rule ]; then rm ${current_fw}.rule fi fi rule=$1 echo $rule >> $filename shift done if [ ${fw} == "ipfw" ]; then jexec ${jname} ipfw -q -f flush jexec ${jname} /bin/sh $cwd/ipfw.rule elif [ ${fw} == "pf" ]; then jexec ${jname} pfctl -e jexec ${jname} pfctl -F all jexec ${jname} pfctl -f $cwd/pf.rule elif [ ${fw} == "ipf" ]; then jexec ${jname} ipf -E jexec ${jname} ipf -Fa -f $cwd/ipf.rule elif [ ${fw} == "ipfnat" ]; then jexec ${jname} service ipfilter start jexec ${jname} ipnat -CF -f $cwd/ipfnat.rule else atf_fail "$fw is not a valid firewall to configure" fi } firewall_cleanup() { firewall=$1 echo "Cleaning $firewall" vnet_cleanup } firewall_init() { firewall=$1 vnet_init if [ ${firewall} == "ipfw" ]; then if ! kldstat -q -m ipfw; then atf_skip "This test requires ipfw" fi elif [ ${firewall} == "pf" ]; then if [ ! -c /dev/pf ]; then atf_skip "This test requires pf" fi elif [ ${firewall} == "ipf" ]; then if ! kldstat -q -m ipfilter; then atf_skip "This test requires ipf" fi elif [ ${firewall} == "ipfnat" ]; then - if ! kldstat -q -m ipfw_nat; then - atf_skip "This test requires ipfw_nat" + if ! kldstat -q -m ipfilter; then + atf_skip "This test requires ipf" fi else atf_fail "$fw is not a valid firewall to initialize" fi } +nat_init() +{ + firewall=$1 + if [ ${firewall} == "ipfw" ]; then + if ! kldstat -q -m ipfw_nat; then + atf_skip "This test requires ipfw_nat" + fi + fi +} + is_firewall() { if [ "$1" = "pf" -o "$1" = "ipfw" -o "$1" = "ipf" -o "$1" = "ipfnat" ]; then echo 1 else echo 0 fi -} \ No newline at end of file +}