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# $FreeBSD$ 29# 30 31. $(atf_get_srcdir)/../common/vnet.subr 32 33atf_test_case "valid_redirect" "cleanup" 34valid_redirect_head() { 35 36 atf_set descr 'Test valid IPv6 redirect' 37 atf_set require.user root 38 atf_set require.progs scapy 39} 40 41valid_redirect_body() { 42 43 if [ "$(atf_config_get ci false)" = "true" ]; then 44 atf_skip "https://bugs.freebsd.org/247729" 45 fi 46 47 ids=65533 48 id=`printf "%x" ${ids}` 49 if [ $$ -gt 65535 ]; then 50 xl=`printf "%x" $(($$ - 65535))` 51 yl="1" 52 else 53 xl=`printf "%x" $$` 54 yl="" 55 fi 56 57 vnet_init 58 59 ip6a="2001:db8:6666:0000:${yl}:${id}:1:${xl}" 60 ip6b="2001:db8:6666:0000:${yl}:${id}:2:${xl}" 61 62 net6="2001:db8:6667::/64" 63 dst_addr6=`echo ${net6} | awk -F/ '{printf"%s4242", $1}'` 64 new_rtr_ll_ip="fe80::5555" 65 66 # remote_rtr 67 remote_rtr_ll_ip="fe80::4242" 68 remote_rtr_mac="00:00:5E:00:53:42" 69 70 script_name="redirect.py" 71 72 epair=$(vnet_mkepair) 73 ifconfig ${epair}a up 74 ifconfig ${epair}a inet6 ${ip6a}/64 75 76 jname="v6t-${id}-${yl}-${xl}" 77 vnet_mkjail ${jname} ${epair}b 78 jexec ${jname} ifconfig ${epair}b up 79 jexec ${jname} ifconfig ${epair}b inet6 ${ip6b}/64 80 81 # Setup static entry for the remote router 82 jexec ${jname} ndp -s ${remote_rtr_ll_ip}%${epair}b ${remote_rtr_mac} 83 # setup prefix reachable via router 84 jexec ${jname} route add -6 -net ${net6} ${remote_rtr_ll_ip}%${epair}b 85 86 local_ll_ip=`jexec ${jname} ifconfig ${epair}b inet6 | awk '$1 ~ /inet6/&&$2~/^fe80/ {print$2}'|awk -F% '{print$1}'` 87 local_ll_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'` 88 89 # wait for DAD to complete 90 while [ `ifconfig ${epair}a inet6 | grep -c tentative` != "0" ]; do 91 sleep 0.1 92 done 93 while [ `jexec ${jname}b ifconfig ${epair}b inet6 | grep -c tentative` != "0" ]; do 94 sleep 0.1 95 done 96 97 # enable ND debugging in the target jail to ease catching errors 98 jexec ${jname} sysctl net.inet6.icmp6.nd6_debug=1 99 100 # echo "LOCAL: ${local_ll_ip} ${local_ll_mac}" 101 # echo "REMOTE: ${remote_rtr_ll_ip} ${remote_rtr_mac}" 102 103 atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \ 104 --smac ${remote_rtr_mac} --dmac ${local_ll_mac} \ 105 --sip ${remote_rtr_ll_ip} --dip ${local_ll_ip} \ 106 --route ${dst_addr6} --gw ${new_rtr_ll_ip} \ 107 --iface ${epair}a 108 109 # Verify redirect got installed 110 atf_check -o match:"destination: ${dst_addr6}\$" jexec ${jname} route -n get -6 ${dst_addr6} 111 atf_check -o match:'flags: <UP,GATEWAY,HOST,DYNAMIC,DONE>' jexec ${jname} route -n get -6 ${dst_addr6} 112} 113 114valid_redirect_cleanup() { 115 116 vnet_cleanup 117} 118 119atf_init_test_cases() 120{ 121 122 atf_add_test_case "valid_redirect" 123} 124 125# end 126 127