#!/usr/bin/env atf-sh #- # SPDX-License-Identifier: BSD-2-Clause # # Copyright (c) 2020 Alexander V. Chernikov # # 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. # # . $(atf_get_srcdir)/../common/vnet.subr atf_test_case "fwd_ip_icmp_iface_fast_success" "cleanup" fwd_ip_icmp_iface_fast_success_head() { atf_set descr 'Test valid IPv4 on-stick fastforwarding to iface' atf_set require.user root atf_set require.progs scapy } fwd_ip_icmp_iface_fast_success_body() { vnet_init ip4a="192.0.2.1" ip4b="192.0.2.2" plen=29 src_ip="192.0.2.3" script_name="../common/sender.py" epair=$(vnet_mkepair) ifconfig ${epair}a up ifconfig ${epair}a inet ${ip4a}/${plen} jname="v4t-fwd_ip_icmp_iface_fast_success" vnet_mkjail ${jname} ${epair}b jexec ${jname} ifconfig ${epair}b up jexec ${jname} ifconfig ${epair}b inet ${ip4b}/${plen} # Get router ip/mac jail_ip=${ip4b} jail_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'` our_mac=`ifconfig ${epair}a ether | awk '$1~/ether/{print$2}'` jexec ${jname} sysctl net.inet.ip.forwarding=1 # As we're doing router-on-the-stick, turn sending IP redirects off: jexec ${jname} sysctl net.inet.ip.redirect=0 # echo "LOCAL: ${local_ip} ${local_mac}" # echo "REMOTE: ${remote_rtr_ip} ${remote_rtr_mac}" atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \ --test_name fwd_ip_icmp_fast \ --smac ${our_mac} --dmac ${jail_mac} \ --sip ${src_ip} --dip ${ip4a} \ --iface ${epair}a # check counters are valid atf_check -o match:'1 packet forwarded \(1 packet fast forwarded\)' jexec ${jname} netstat -sp ip } fwd_ip_icmp_iface_fast_success_cleanup() { vnet_cleanup } atf_test_case "fwd_ip_icmp_gw_fast_success" "cleanup" fwd_ip_icmp_gw_fast_success_head() { atf_set descr 'Test valid IPv4 on-stick fastforwarding to gw' atf_set require.user root atf_set require.progs scapy } fwd_ip_icmp_gw_fast_success_body() { vnet_init ip4a="192.0.2.1" ip4b="192.0.2.2" plen=29 src_ip="192.0.2.3" dst_ip="192.0.2.4" script_name="../common/sender.py" epair=$(vnet_mkepair) ifconfig ${epair}a up ifconfig ${epair}a inet ${ip4a}/${plen} jname="v4t-fwd_ip_icmp_gw_fast_success" vnet_mkjail ${jname} ${epair}b jexec ${jname} ifconfig ${epair}b up jexec ${jname} ifconfig ${epair}b inet ${ip4b}/${plen} # Get router ip/mac jail_ip=${ip4b} jail_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'` our_mac=`ifconfig ${epair}a ether | awk '$1~/ether/{print$2}'` jexec ${jname} sysctl net.inet.ip.forwarding=1 # As we're doing router-on-the-stick, turn sending IP redirects off: jexec ${jname} sysctl net.inet.ip.redirect=0 # Add host route jexec ${jname} route -4 add -host ${dst_ip} ${ip4a} # echo "LOCAL: ${local_ip} ${local_mac}" # echo "REMOTE: ${remote_rtr_ip} ${remote_rtr_mac}" atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \ --test_name fwd_ip_icmp_fast \ --smac ${our_mac} --dmac ${jail_mac} \ --sip ${src_ip} --dip ${dst_ip} \ --iface ${epair}a # check counters are valid atf_check -o match:'1 packet forwarded \(1 packet fast forwarded\)' jexec ${jname} netstat -sp ip } fwd_ip_icmp_gw_fast_success_cleanup() { vnet_cleanup } atf_test_case "fwd_ip_icmp_iface_slow_success" "cleanup" fwd_ip_icmp_iface_slow_success_head() { atf_set descr 'Test valid IPv4 on-stick "slow" forwarding to iface' atf_set require.user root atf_set require.progs scapy } fwd_ip_icmp_iface_slow_success_body() { vnet_init ip4a="192.0.2.1" ip4b="192.0.2.2" plen=29 src_ip="192.0.2.3" script_name="../common/sender.py" epair=$(vnet_mkepair) ifconfig ${epair}a up ifconfig ${epair}a inet ${ip4a}/${plen} jname="v4t-fwd_ip_icmp_iface_slow_success" vnet_mkjail ${jname} ${epair}b jexec ${jname} ifconfig ${epair}b up jexec ${jname} ifconfig ${epair}b inet ${ip4b}/${plen} # Get router ip/mac jail_ip=${ip4b} jail_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'` our_mac=`ifconfig ${epair}a ether | awk '$1~/ether/{print$2}'` jexec ${jname} sysctl net.inet.ip.forwarding=1 # As we're doing router-on-the-stick, turn sending IP redirects off: jexec ${jname} sysctl net.inet.ip.redirect=0 # Generate packet with options to force slow-path atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \ --test_name fwd_ip_icmp_slow \ --smac ${our_mac} --dmac ${jail_mac} \ --sip ${src_ip} --dip ${ip4a} \ --iface ${epair}a # check counters are valid atf_check -o match:'1 packet forwarded \(0 packets fast forwarded\)' jexec ${jname} netstat -sp ip } fwd_ip_icmp_iface_slow_success_cleanup() { vnet_cleanup } atf_test_case "fwd_ip_icmp_gw_slow_success" "cleanup" fwd_ip_icmp_gw_slow_success_head() { atf_set descr 'Test valid IPv4 on-stick "slow" forwarding to gw' atf_set require.user root atf_set require.progs scapy } fwd_ip_icmp_gw_slow_success_body() { vnet_init ip4a="192.0.2.1" ip4b="192.0.2.2" plen=29 src_ip="192.0.2.3" dst_ip="192.0.2.4" script_name="../common/sender.py" epair=$(vnet_mkepair) ifconfig ${epair}a up ifconfig ${epair}a inet ${ip4a}/${plen} jname="v4t-fwd_ip_icmp_gw_slow_success" vnet_mkjail ${jname} ${epair}b jexec ${jname} ifconfig ${epair}b up jexec ${jname} ifconfig ${epair}b inet ${ip4b}/${plen} # Get router ip/mac jail_ip=${ip4b} jail_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'` our_mac=`ifconfig ${epair}a ether | awk '$1~/ether/{print$2}'` jexec ${jname} sysctl net.inet.ip.forwarding=1 # As we're doing router-on-the-stick, turn sending IP redirects off: jexec ${jname} sysctl net.inet.ip.redirect=0 # Add host route jexec ${jname} route -4 add -host ${dst_ip} ${ip4a} # echo "LOCAL: ${local_ip} ${local_mac}" # echo "REMOTE: ${remote_rtr_ip} ${remote_rtr_mac}" atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \ --test_name fwd_ip_icmp_fast \ --smac ${our_mac} --dmac ${jail_mac} \ --sip ${src_ip} --dip ${dst_ip} \ --iface ${epair}a # check counters are valid atf_check -o match:'1 packet forwarded \(1 packet fast forwarded\)' jexec ${jname} netstat -sp ip } fwd_ip_icmp_gw_slow_success_cleanup() { vnet_cleanup } atf_init_test_cases() { atf_add_test_case "fwd_ip_icmp_iface_fast_success" atf_add_test_case "fwd_ip_icmp_gw_fast_success" atf_add_test_case "fwd_ip_icmp_iface_slow_success" atf_add_test_case "fwd_ip_icmp_gw_slow_success" } # end