xref: /freebsd/tests/sys/netinet6/redirect.sh (revision 4e99f45480598189d49d45a825533a6c9e12f02c)
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	ids=65533
44	id=`printf "%x" ${ids}`
45	if [ $$ -gt 65535 ]; then
46		xl=`printf "%x" $(($$ - 65535))`
47		yl="1"
48	else
49		xl=`printf "%x" $$`
50		yl=""
51	fi
52
53	vnet_init
54
55	ip6a="2001:db8:6666:0000:${yl}:${id}:1:${xl}"
56	ip6b="2001:db8:6666:0000:${yl}:${id}:2:${xl}"
57
58	net6="2001:db8:6667::/64"
59	dst_addr6=`echo ${net6} | awk -F/ '{printf"%s4242", $1}'`
60	new_rtr_ll_ip="fe80::5555"
61
62	# remote_rtr
63	remote_rtr_ll_ip="fe80::4242"
64	remote_rtr_mac="00:00:5E:00:53:42"
65
66	script_name="redirect.py"
67
68	epair=$(vnet_mkepair)
69	ifconfig ${epair}a up
70	ifconfig ${epair}a inet6 ${ip6a}/64
71
72	jname="v6t-${id}-${yl}-${xl}"
73	vnet_mkjail ${jname} ${epair}b
74	jexec ${jname} ifconfig ${epair}b up
75	jexec ${jname} ifconfig ${epair}b inet6 ${ip6b}/64
76
77	# Setup static entry for the remote router
78	jexec ${jname} ndp -s ${remote_rtr_ll_ip}%${epair}b ${remote_rtr_mac}
79	# setup prefix reachable via router
80	jexec ${jname} route add -6 -net ${net6} ${remote_rtr_ll_ip}%${epair}b
81
82	local_ll_ip=`jexec ${jname} ifconfig ${epair}b inet6 | awk '$1 ~ /inet6/&&$2~/^fe80/ {print$2}'|awk -F% '{print$1}'`
83	local_ll_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'`
84
85	# wait for DAD to complete
86	sleep 2
87
88	# echo "LOCAL: ${local_ll_ip} ${local_ll_mac}"
89	# echo "REMOTE: ${remote_rtr_ll_ip} ${remote_rtr_mac}"
90
91	atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \
92		--smac ${remote_rtr_mac} --dmac ${local_ll_mac} \
93		--sip ${remote_rtr_ll_ip} --dip ${local_ll_ip} \
94		--route ${dst_addr6} --gw ${new_rtr_ll_ip}  \
95		--iface ${epair}a
96
97	# Verify redirect got installed
98	atf_check -o match:"destination: ${dst_addr6}\$" jexec ${jname} route -n get -6 ${dst_addr6}
99	atf_check -o match:'flags: <UP,GATEWAY,HOST,DYNAMIC,DONE>' jexec ${jname} route -n get -6 ${dst_addr6}
100}
101
102valid_redirect_cleanup() {
103
104	vnet_cleanup
105}
106
107atf_init_test_cases()
108{
109
110	atf_add_test_case "valid_redirect"
111}
112
113# end
114
115