1#!/usr/bin/env atf-sh 2#- 3# SPDX-License-Identifier: BSD-2-Clause 4# 5# Copyright (c) 2020 Alexander V. Chernikov 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28# 29 30. $(atf_get_srcdir)/../common/vnet.subr 31 32atf_test_case "valid_redirect" "cleanup" 33valid_redirect_head() { 34 35 atf_set descr 'Test valid IPv6 redirect' 36 atf_set require.user root 37 atf_set require.progs python3 scapy 38} 39 40valid_redirect_body() { 41 42 ids=65533 43 id=`printf "%x" ${ids}` 44 if [ $$ -gt 65535 ]; then 45 xl=`printf "%x" $(($$ - 65535))` 46 yl="1" 47 else 48 xl=`printf "%x" $$` 49 yl="" 50 fi 51 52 vnet_init 53 54 ip6a="2001:db8:6666:0000:${yl}:${id}:1:${xl}" 55 ip6b="2001:db8:6666:0000:${yl}:${id}:2:${xl}" 56 57 net6="2001:db8:6667::/64" 58 dst_addr6=`echo ${net6} | awk -F/ '{printf"%s4242", $1}'` 59 new_rtr_ll_ip="fe80::5555" 60 61 # remote_rtr 62 remote_rtr_ll_ip="fe80::4242" 63 remote_rtr_mac="00:00:5E:00:53:42" 64 65 script_name="redirect.py" 66 67 epair=$(vnet_mkepair) 68 ifconfig ${epair}a up 69 ifconfig ${epair}a inet6 ${ip6a}/64 70 71 jname="v6t-${id}-${yl}-${xl}" 72 vnet_mkjail ${jname} ${epair}b 73 jexec ${jname} ifconfig ${epair}b up 74 jexec ${jname} ifconfig ${epair}b inet6 ${ip6b}/64 75 76 # Setup static entry for the remote router 77 jexec ${jname} ndp -s ${remote_rtr_ll_ip}%${epair}b ${remote_rtr_mac} 78 # setup prefix reachable via router 79 jexec ${jname} route add -6 -net ${net6} ${remote_rtr_ll_ip}%${epair}b 80 81 local_ll_ip=`jexec ${jname} ifconfig ${epair}b inet6 | awk '$1 ~ /inet6/&&$2~/^fe80/ {print$2}'|awk -F% '{print$1}'` 82 local_ll_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'` 83 84 # wait for DAD to complete 85 while [ `ifconfig ${epair}a inet6 | grep -c tentative` != "0" ]; do 86 sleep 0.1 87 done 88 while [ `jexec ${jname} ifconfig ${epair}b inet6 | grep -c tentative` != "0" ]; do 89 sleep 0.1 90 done 91 92 # enable ND debugging in the target jail to ease catching errors 93 jexec ${jname} sysctl net.inet6.icmp6.nd6_debug=1 94 95 # echo "LOCAL: ${local_ll_ip} ${local_ll_mac}" 96 # echo "REMOTE: ${remote_rtr_ll_ip} ${remote_rtr_mac}" 97 98 atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \ 99 --smac ${remote_rtr_mac} --dmac ${local_ll_mac} \ 100 --sip ${remote_rtr_ll_ip} --dip ${local_ll_ip} \ 101 --route ${dst_addr6} --gw ${new_rtr_ll_ip} \ 102 --iface ${epair}a 103 104 # Verify redirect got installed 105 atf_check -o match:"destination: ${dst_addr6}\$" jexec ${jname} route -n get -6 ${dst_addr6} 106 atf_check -o match:'flags: <UP,GATEWAY,HOST,DYNAMIC,DONE>' jexec ${jname} route -n get -6 ${dst_addr6} 107} 108 109valid_redirect_cleanup() { 110 111 vnet_cleanup 112} 113 114atf_init_test_cases() 115{ 116 117 atf_add_test_case "valid_redirect" 118} 119 120# end 121 122