#!/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 "valid_redirect" "cleanup" valid_redirect_head() { atf_set descr 'Test valid IPv4 redirect' atf_set require.user root atf_set require.progs scapy } valid_redirect_body() { ids=65533 id=`printf "%x" ${ids}` if [ $$ -gt 65535 ]; then xl=`printf "%x" $(($$ - 65535))` yl="1" else xl=`printf "%x" $$` yl="" fi vnet_init ip4a="192.0.2.1" ip4b="192.0.2.2" net4="198.51.100.0/24" dst_addr4="198.51.100.42" # remote_rtr remote_rtr_ip="192.0.2.3" remote_rtr_mac="00:00:5E:00:53:42" new_rtr_ip="192.0.2.4" script_name="redirect.py" epair=$(vnet_mkepair) ifconfig ${epair}a up ifconfig ${epair}a inet ${ip4a}/24 jname="v4t-${id}-${yl}-${xl}" vnet_mkjail ${jname} ${epair}b jexec ${jname} ifconfig ${epair}b up jexec ${jname} ifconfig ${epair}b inet ${ip4b}/24 # Setup static entry for the remote router jexec ${jname} arp -s ${remote_rtr_ip} ${remote_rtr_mac} # setup prefix reachable via router jexec ${jname} route add -4 -net ${net4} ${remote_rtr_ip} local_ip=${ip4b} local_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'` # echo "LOCAL: ${local_ip} ${local_mac}" # echo "REMOTE: ${remote_rtr_ip} ${remote_rtr_mac}" atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \ --smac ${remote_rtr_mac} --dmac ${local_mac} \ --sip ${remote_rtr_ip} --dip ${local_ip} \ --route ${dst_addr4} --gw ${new_rtr_ip} \ --iface ${epair}a atf_check -o match:"destination: ${dst_addr4}\$" jexec ${jname} route -n get -4 ${dst_addr4} atf_check -o match:'flags: ' jexec ${jname} route -n get -4 ${dst_addr4} } valid_redirect_cleanup() { vnet_cleanup } atf_init_test_cases() { atf_add_test_case "valid_redirect" } # end