xref: /freebsd/contrib/netbsd-tests/net/ndp/t_ndp.sh (revision d370fd1cd8fc69e87dc63f4f4a82e5a8b4956c93) 
1#	$NetBSD: t_ndp.sh,v 1.17 2016/11/25 08:51:17 ozaki-r Exp $
2#
3# Copyright (c) 2015 The NetBSD Foundation, 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#
27
28SOCKSRC=unix://commsock1
29SOCKDST=unix://commsock2
30IP6SRC=fc00::1
31IP6DST=fc00::2
32
33DEBUG=${DEBUG:-true}
34TIMEOUT=1
35
36atf_test_case ndp_cache_expiration cleanup
37atf_test_case ndp_commands cleanup
38atf_test_case ndp_cache_overwriting cleanup
39atf_test_case ndp_neighborgcthresh cleanup
40atf_test_case ndp_link_activation cleanup
41
42ndp_cache_expiration_head()
43{
44	atf_set "descr" "Tests for NDP cache expiration"
45	atf_set "require.progs" "rump_server"
46}
47
48ndp_commands_head()
49{
50	atf_set "descr" "Tests for commands of ndp(8)"
51	atf_set "require.progs" "rump_server"
52}
53
54ndp_cache_overwriting_head()
55{
56	atf_set "descr" "Tests for behavior of overwriting NDP caches"
57	atf_set "require.progs" "rump_server"
58}
59
60ndp_neighborgcthresh_head()
61{
62	atf_set "descr" "Tests for GC of neighbor caches"
63	atf_set "require.progs" "rump_server"
64}
65
66ndp_link_activation_head()
67{
68	atf_set "descr" "Tests for activating a new MAC address"
69	atf_set "require.progs" "rump_server"
70}
71
72setup_dst_server()
73{
74	local assign_ip=$1
75
76	rump_server_add_iface $SOCKDST shmif0 bus1
77	export RUMP_SERVER=$SOCKDST
78	if [ "$assign_ip" != no ]; then
79		atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6DST
80	fi
81	atf_check -s exit:0 rump.ifconfig shmif0 up
82	atf_check -s exit:0 rump.ifconfig -w 10
83
84	$DEBUG && rump.ifconfig shmif0
85	$DEBUG && rump.ndp -n -a
86}
87
88setup_src_server()
89{
90	$DEBUG && ulimit -c unlimited
91	export RUMP_SERVER=$SOCKSRC
92
93	# Setup an interface
94	rump_server_add_iface $SOCKSRC shmif0 bus1
95	atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6SRC
96	atf_check -s exit:0 rump.ifconfig shmif0 up
97	atf_check -s exit:0 rump.ifconfig -w 10
98
99	# Sanity check
100	$DEBUG && rump.ifconfig shmif0
101	$DEBUG && rump.ndp -n -a
102	atf_check -s exit:0 -o ignore rump.ndp -n $IP6SRC
103	atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6DST
104}
105
106get_timeout()
107{
108	local timeout=$(env RUMP_SERVER=$SOCKSRC rump.ndp -n $IP6DST |grep $IP6DST|awk '{print $4;}')
109	timeout=${timeout%s}
110	echo $timeout
111}
112
113ndp_cache_expiration_body()
114{
115
116	rump_server_start $SOCKSRC netinet6
117	rump_server_start $SOCKDST netinet6
118
119	setup_dst_server
120	setup_src_server
121
122	#
123	# Check if a cache is expired expectedly
124	#
125	export RUMP_SERVER=$SOCKSRC
126	atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST
127
128	$DEBUG && rump.ndp -n -a
129	atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6SRC
130	# Should be cached
131	atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST
132
133	timeout=$(get_timeout $IP6DST)
134
135	atf_check -s exit:0 sleep $(($timeout + 1))
136
137	$DEBUG && rump.ndp -n -a
138	atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6SRC
139	# Expired but remains until GC sweaps it (1 day)
140	atf_check -s exit:0 -o match:'(1d0h0m|23h59m)' rump.ndp -n $IP6DST
141
142	rump_server_destroy_ifaces
143}
144
145ifdown_dst_server()
146{
147	export RUMP_SERVER=$SOCKDST
148	atf_check -s exit:0 rump.ifconfig shmif0 down
149	export RUMP_SERVER=$SOCKSRC
150}
151
152ndp_commands_body()
153{
154
155	rump_server_start $SOCKSRC netinet6
156	rump_server_start $SOCKDST netinet6
157
158	setup_dst_server
159	setup_src_server
160
161	export RUMP_SERVER=$SOCKSRC
162
163	# We can delete the entry for the interface's IP address
164	atf_check -s exit:0 -o match:"$IP6SRC" rump.ndp -d $IP6SRC
165
166	# Add and delete a static entry
167	$DEBUG && rump.ndp -n -a
168	atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10
169	$DEBUG && rump.ndp -n -a
170	atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::10
171	atf_check -s exit:0 -o match:'deleted' rump.ndp -d fc00::10
172	$DEBUG && rump.ndp -n -a
173	atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n fc00::10
174
175	# Add multiple entries via a file (XXX not implemented)
176	#cat - > ./list <<-EOF
177	#fc00::11 b2:a0:20:00:00:11
178	#fc00::12 b2:a0:20:00:00:12
179	#fc00::13 b2:a0:20:00:00:13
180	#fc00::14 b2:a0:20:00:00:14
181	#fc00::15 b2:a0:20:00:00:15
182	#EOF
183	#$DEBUG && rump.ndp -n -a
184	#atf_check -s exit:0 -o ignore rump.ndp -f ./list
185	#$DEBUG && rump.ndp -n -a
186
187	atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST
188	atf_check -s exit:0 -o ignore rump.ndp -s fc00::11 b2:a0:20:00:00:11
189	atf_check -s exit:0 -o ignore rump.ndp -s fc00::12 b2:a0:20:00:00:12
190
191	atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST
192	atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::11
193	atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::12
194
195	# Test ndp -a
196	atf_check -s exit:0 -o match:'fc00::11' rump.ndp -n -a
197	atf_check -s exit:0 -o match:'fc00::12' rump.ndp -n -a
198
199	# Ensure no packet upsets the src server
200	ifdown_dst_server
201
202	# Flush all entries (-c)
203	$DEBUG && rump.ndp -n -a
204	atf_check -s exit:0 -o ignore rump.ndp -c
205	atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6SRC
206	atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6DST
207	# Only the static caches are not deleted
208	atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::11
209	atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::12
210
211	$DEBUG && rump.ndp -n -a
212	atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp
213	rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp
214	$DEBUG && rump.ndp -n -a
215	atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10
216
217	rump_server_destroy_ifaces
218}
219
220ndp_cache_overwriting_body()
221{
222
223	rump_server_start $SOCKSRC netinet6
224	rump_server_start $SOCKDST netinet6
225
226	setup_dst_server
227	setup_src_server
228
229	export RUMP_SERVER=$SOCKSRC
230
231	# Cannot overwrite a permanent cache
232	atf_check -s not-exit:0 -e ignore rump.ndp -s $IP6SRC b2:a0:20:00:00:ff
233	$DEBUG && rump.ndp -n -a
234
235	atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST
236	$DEBUG && rump.ndp -n -a
237	# Can overwrite a dynamic cache
238	atf_check -s exit:0 -o ignore rump.ndp -s $IP6DST b2:a0:20:00:00:00
239	$DEBUG && rump.ndp -n -a
240	atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6DST
241
242	# Test temp option (XXX it doesn't work; expire time isn't set)
243	#atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp
244	#$DEBUG && rump.ndp -n -a
245	#atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10
246	# Cannot overwrite a temp cache
247	#atf_check -s not-exit:0 -e ignore rump.ndp -s fc00::10 b2:a0:20:00:00:ff
248	#$DEBUG && rump.ndp -n -a
249
250	rump_server_destroy_ifaces
251}
252
253get_n_caches()
254{
255
256	echo $(rump.ndp -a -n |grep -v -e Neighbor -e permanent |wc -l)
257}
258
259ndp_neighborgcthresh_body()
260{
261
262	rump_server_start $SOCKSRC netinet6
263	rump_server_start $SOCKDST netinet6
264
265	setup_dst_server no
266	setup_src_server
267
268	export RUMP_SERVER=$SOCKDST
269	for i in $(seq 0 9); do
270		atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6DST}$i
271	done
272
273	export RUMP_SERVER=$SOCKSRC
274
275	# ping to 3 destinations
276	$DEBUG && rump.ndp -n -a
277	for i in $(seq 0 2); do
278		atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \
279		    ${IP6DST}$i
280	done
281	$DEBUG && rump.ndp -n -a
282
283	# 3 caches should be created
284	atf_check_equal $(get_n_caches) 3
285
286	# ping to additional 3 destinations
287	for i in $(seq 3 5); do
288		atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \
289		    ${IP6DST}$i
290	done
291	$DEBUG && rump.ndp -n -a
292
293	# 6 caches should be created in total
294	atf_check_equal $(get_n_caches) 6
295
296	# Limit the number of neighbor caches to 5
297	atf_check -s exit:0 -o ignore rump.sysctl -w \
298	    net.inet6.ip6.neighborgcthresh=5
299
300	# ping to additional 4 destinations
301	for i in $(seq 6 9); do
302		atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \
303		    ${IP6DST}$i
304	done
305
306	# More than 5 caches should be created in total, but exceeded caches
307	# should be GC-ed
308	if [ "$(get_n_caches)" -gt 5 ]; then
309		atf_fail "Neighbor caches are not GC-ed"
310	fi
311
312	rump_server_destroy_ifaces
313}
314
315make_pkt_str_na()
316{
317	local ip=$1
318	local mac=$2
319	local pkt=
320	pkt="$mac > 33:33:00:00:00:01, ethertype IPv6 (0x86dd), length 86:"
321	pkt="$pkt $ip > ff02::1: ICMP6, neighbor advertisement"
322	echo $pkt
323}
324
325ndp_link_activation_body()
326{
327	local linklocal=
328
329	rump_server_start $SOCKSRC netinet6
330	rump_server_start $SOCKDST netinet6
331
332	setup_dst_server
333	setup_src_server
334
335	# flush old packets
336	extract_new_packets bus1 > ./out
337
338	export RUMP_SERVER=$SOCKSRC
339
340	atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \
341	    b2:a1:00:00:00:01
342
343	atf_check -s exit:0 sleep 1
344	extract_new_packets bus1 > ./out
345	$DEBUG && cat ./out
346
347	linklocal=$(rump.ifconfig shmif0 |awk '/fe80/ {print $2;}' |awk -F % '{print $1;}')
348	$DEBUG && echo $linklocal
349
350	pkt=$(make_pkt_str_na $linklocal b2:a1:00:00:00:01)
351	atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'"
352
353	atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \
354	    b2:a1:00:00:00:02 active
355
356	atf_check -s exit:0 sleep 1
357	extract_new_packets bus1 > ./out
358	$DEBUG && cat ./out
359
360	linklocal=$(rump.ifconfig shmif0 |awk '/fe80/ {print $2;}' |awk -F % '{print $1;}')
361	$DEBUG && echo $linklocal
362
363	pkt=$(make_pkt_str_na $linklocal b2:a1:00:00:00:02)
364	atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'"
365
366	rump_server_destroy_ifaces
367}
368
369ndp_cache_expiration_cleanup()
370{
371	$DEBUG && dump
372	cleanup
373}
374
375ndp_commands_cleanup()
376{
377	$DEBUG && dump
378	cleanup
379}
380
381ndp_cache_overwriting_cleanup()
382{
383	$DEBUG && dump
384	cleanup
385}
386
387ndp_neighborgcthresh_cleanup()
388{
389	$DEBUG && dump
390	cleanup
391}
392
393ndp_link_activation_cleanup()
394{
395	$DEBUG && dump
396	cleanup
397}
398
399atf_init_test_cases()
400{
401	atf_add_test_case ndp_cache_expiration
402	atf_add_test_case ndp_commands
403	atf_add_test_case ndp_cache_overwriting
404	atf_add_test_case ndp_neighborgcthresh
405	atf_add_test_case ndp_link_activation
406}
407