t_icmp6_redirect.sh revision 313498 
1#	$NetBSD: t_icmp6_redirect.sh,v 1.2 2016/08/10 22:17:44 kre Exp $
2#
3# Copyright (c) 2015 Internet Initiative Japan Inc.
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
16# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
19# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25# POSSIBILITY OF SUCH DAMAGE.
26#
27netserver="rump_server -lrumpnet -lrumpnet_net -lrumpnet_shmif"
28netserver="${netserver} -lrumpnet_netinet -lrumpnet_netinet6 -lrumpdev"
29
30SOCK_LOCAL=unix://commsock1
31SOCK_PEER=unix://commsock2
32SOCK_GW1=unix://commsock3
33SOCK_GW2=unix://commsock4
34
35BUS1=bus1
36BUS2=bus2
37IP6BUS1=fc00:1::/64
38IP6BUS2=fc00:2::/64
39IP6IF0_LOCAL=fc00:1::2
40IP6IF0_PEER=fc00:2::2
41IP6IF0_GW1=fc00:1::1
42IP6IF1_GW1=fc00:2::1
43IP6IF0_GW2=fc00:1::3
44
45REDIRECT_TIMEOUT=5
46
47DEBUG=true
48
49get_lladdr()
50{
51
52	export RUMP_SERVER=${1}
53	rump.ifconfig ${2} inet6 | awk "/fe80/ {sub(/%$2/, \"\"); print \$2;}"
54	unset RUMP_SERVER
55
56	return 0
57}
58
59atf_test_case basic cleanup
60
61basic_head()
62{
63
64	atf_set "descr" "Test for the basically function of the ICMP6 redirect"
65	atf_set "require.progs" "rump_server rump.route rump.ping rump.ifconfig"
66}
67
68basic_body()
69{
70	local gw1_lladdr0=
71	local gw1_lladdr1=
72	local gw2_lladdr0=
73
74	atf_check -s exit:0 ${netserver} ${SOCK_LOCAL}
75	atf_check -s exit:0 ${netserver} ${SOCK_PEER}
76	atf_check -s exit:0 ${netserver} ${SOCK_GW1}
77	atf_check -s exit:0 ${netserver} ${SOCK_GW2}
78
79	#
80	# Setup
81	#
82	# Setup gateway #1 (real gateway)
83	export RUMP_SERVER=${SOCK_GW1}
84	atf_check -s exit:0 rump.ifconfig shmif0 create
85	atf_check -s exit:0 rump.ifconfig shmif0 linkstr ${BUS1}
86	atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6IF0_GW1}
87	atf_check -s exit:0 rump.ifconfig shmif0 up
88
89	atf_check -s exit:0 rump.ifconfig shmif1 create
90	atf_check -s exit:0 rump.ifconfig shmif1 linkstr ${BUS2}
91	atf_check -s exit:0 rump.ifconfig shmif1 inet6 ${IP6IF1_GW1}
92	atf_check -s exit:0 rump.ifconfig shmif1 up
93
94	atf_check -s exit:0 -o match:'0.->.1' rump.sysctl -w \
95	    net.inet6.ip6.forwarding=1
96	unset RUMP_SERVER
97
98	gw1_lladdr0=`get_lladdr ${SOCK_GW1} shmif0`
99	gw1_lladdr1=`get_lladdr ${SOCK_GW1} shmif1`
100
101	# Setup a peer behind gateway #1
102	export RUMP_SERVER=${SOCK_PEER}
103	atf_check -s exit:0 rump.ifconfig shmif0 create
104	atf_check -s exit:0 rump.ifconfig shmif0 linkstr ${BUS2}
105	atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6IF0_PEER}
106	atf_check -s exit:0 rump.ifconfig shmif0 up
107	atf_check -s exit:0 -o ignore rump.route add \
108	    -inet6 default ${gw1_lladdr1}%shmif0
109	unset RUMP_SERVER
110
111	# Setup gateway #2 (fake gateway)
112	export RUMP_SERVER=${SOCK_GW2}
113	atf_check -s exit:0 rump.ifconfig shmif0 create
114	atf_check -s exit:0 rump.ifconfig shmif0 linkstr ${BUS1}
115	atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6IF0_GW2}
116	atf_check -s exit:0 rump.ifconfig shmif0 up
117
118	atf_check -s exit:0 -o ignore rump.route add \
119	     -inet6 ${IP6BUS2} ${gw1_lladdr0}%shmif0
120	atf_check -s exit:0 -o match:'0.->.1' rump.sysctl -w \
121	    net.inet6.ip6.forwarding=1
122	unset RUMP_SERVER
123
124	gw2_lladdr0=`get_lladdr ${SOCK_GW2} shmif0`
125
126	export RUMP_SERVER=${SOCK_LOCAL}
127	atf_check -s exit:0 rump.ifconfig shmif0 create
128	atf_check -s exit:0 rump.ifconfig shmif0 linkstr ${BUS1}
129	atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6IF0_LOCAL}
130	atf_check -s exit:0 rump.ifconfig shmif0 up
131
132	# Teach the fake gateway as the default gateway
133	atf_check -s exit:0 -o ignore rump.route add \
134	    -inet6 default ${gw2_lladdr0}%shmif0
135	$DEBUG && rump.route get -inet6 ${IP6IF0_PEER}
136
137	atf_check -s exit:0 -o ignore rump.sysctl -w \
138	    net.inet6.icmp6.redirtimeout=$REDIRECT_TIMEOUT
139
140	#
141	# Tests
142	#
143	atf_check -s exit:0 -o ignore rump.ping6 -c 1 -n ${IP6IF0_PEER}
144	$DEBUG && rump.route show -inet6
145	# Check if a created route is correctly redirected to gateway #1
146	atf_check -s exit:0 -o match:"gateway: ${gw1_lladdr0}" rump.route get \
147	    -inet6 ${IP6IF0_PEER}
148
149	atf_check -s exit:0 sleep $((REDIRECT_TIMEOUT + 2))
150	$DEBUG && rump.route show -inet6
151	# Check if the created route is expired
152	atf_check -s exit:0 -o not-match:"gateway: ${gw1_lladdr0}" rump.route get \
153	    -inet6 ${IP6IF0_PEER}
154
155	unset RUMP_SERVER
156}
157
158basic_cleanup()
159{
160
161	env RUMP_SERVER=$SOCK_LOCAL rump.halt
162	env RUMP_SERVER=$SOCK_PEER rump.halt
163	env RUMP_SERVER=$SOCK_GW1 rump.halt
164	env RUMP_SERVER=$SOCK_GW2 rump.halt
165}
166
167atf_init_test_cases()
168{
169
170	atf_add_test_case basic
171}
172