3 # SPDX-License-Identifier: BSD-2-Clause
5 # Copyright (c) 2020 Alexander V. Chernikov
7 # Redistribution and use in source and binary forms, with or without
8 # modification, are permitted provided that the following conditions
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.
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
31 . $(atf_get_srcdir)/../common/vnet.subr
33 atf_test_case "valid_redirect" "cleanup"
34 valid_redirect_head() {
36 atf_set descr 'Test valid IPv6 redirect'
37 atf_set require.user root
38 atf_set require.progs scapy
41 valid_redirect_body() {
43 if [ "$(atf_config_get ci false)" = "true" ]; then
44 atf_skip "https://bugs.freebsd.org/247729"
48 id=`printf "%x" ${ids}`
49 if [ $$ -gt 65535 ]; then
50 xl=`printf "%x" $(($$ - 65535))`
59 ip6a="2001:db8:6666:0000:${yl}:${id}:1:${xl}"
60 ip6b="2001:db8:6666:0000:${yl}:${id}:2:${xl}"
62 net6="2001:db8:6667::/64"
63 dst_addr6=`echo ${net6} | awk -F/ '{printf"%s4242", $1}'`
64 new_rtr_ll_ip="fe80::5555"
67 remote_rtr_ll_ip="fe80::4242"
68 remote_rtr_mac="00:00:5E:00:53:42"
70 script_name="redirect.py"
74 ifconfig ${epair}a inet6 ${ip6a}/64
76 jname="v6t-${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
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
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}'`
89 # wait for DAD to complete
90 while [ `ifconfig ${epair}a inet6 | grep -c tentative` != "0" ]; do
93 while [ `jexec ${jname}b ifconfig ${epair}b inet6 | grep -c tentative` != "0" ]; do
97 # enable ND debugging in the target jail to ease catching errors
98 jexec ${jname} sysctl net.inet6.icmp6.nd6_debug=1
100 # echo "LOCAL: ${local_ll_ip} ${local_ll_mac}"
101 # echo "REMOTE: ${remote_rtr_ll_ip} ${remote_rtr_mac}"
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} \
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}
114 valid_redirect_cleanup() {
119 atf_init_test_cases()
122 atf_add_test_case "valid_redirect"