t_ipsec_tunnel_ipcomp.sh revision 1.4 1 # $NetBSD: t_ipsec_tunnel_ipcomp.sh,v 1.4 2023/06/19 08:28:09 knakahara Exp $
2 #
3 # Copyright (c) 2017 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 #
27
28 SOCK_LOCAL=unix://ipsec_local
29 SOCK_TUNNEL_LOCAL=unix://ipsec_tunel_local
30 SOCK_TUNNEL_REMOTE=unix://ipsec_tunnel_remote
31 SOCK_REMOTE=unix://ipsec_remote
32 BUS_LOCAL=./bus_ipsec_local
33 BUS_TUNNEL=./bus_ipsec_tunnel
34 BUS_REMOTE=./bus_ipsec_remote
35
36 DEBUG=${DEBUG:-false}
37
38 setup_servers()
39 {
40
41 # See https://www.netbsd.org/docs/network/ipsec/#sample_vpn
42 rump_server_crypto_start $SOCK_LOCAL netinet6
43 rump_server_crypto_start $SOCK_TUNNEL_LOCAL netipsec netinet6
44 rump_server_crypto_start $SOCK_TUNNEL_REMOTE netipsec netinet6
45 rump_server_crypto_start $SOCK_REMOTE netinet6
46 rump_server_add_iface $SOCK_LOCAL shmif0 $BUS_LOCAL
47 rump_server_add_iface $SOCK_TUNNEL_LOCAL shmif0 $BUS_LOCAL
48 rump_server_add_iface $SOCK_TUNNEL_LOCAL shmif1 $BUS_TUNNEL
49 rump_server_add_iface $SOCK_TUNNEL_REMOTE shmif0 $BUS_REMOTE
50 rump_server_add_iface $SOCK_TUNNEL_REMOTE shmif1 $BUS_TUNNEL
51 rump_server_add_iface $SOCK_REMOTE shmif0 $BUS_REMOTE
52 }
53
54 check_tunnel_ipcomp_packets()
55 {
56 local outfile=$1
57 local osrc=$2
58 local odst=$3
59 local oproto=$4
60 local isrc=$5
61 local idst=$6
62 local iproto=$7
63
64 $DEBUG && cat $outfile
65
66 if [ $oproto = ESP ]; then
67 atf_check -s exit:0 \
68 -o match:"$osrc > $odst: $oproto" \
69 cat $outfile
70 atf_check -s exit:0 \
71 -o match:"$odst > $osrc: $oproto" \
72 cat $outfile
73 # TODO check the packet lengths to check IPComp is really used
74 return
75 fi
76
77 # AH
78 if [ $iproto = IPComp ]; then
79 atf_check -s exit:0 \
80 -o match:"$osrc > $odst: $oproto.+: $iproto" \
81 cat $outfile
82 atf_check -s exit:0 \
83 -o match:"$odst > $osrc: $oproto.+: $iproto" \
84 cat $outfile
85 else
86 atf_check -s exit:0 \
87 -o match:"$osrc > $odst: $oproto.+ $isrc > $idst: $iproto" \
88 cat $outfile
89 atf_check -s exit:0 \
90 -o match:"$odst > $osrc: $oproto.+ $idst > $isrc: $iproto" \
91 cat $outfile
92 fi
93 }
94
95 test_ipsec4_tunnel_ipcomp()
96 {
97 local proto=$1
98 local algo=$2
99 local calgo=$3
100 local ip_local=10.0.1.2
101 local ip_gw_local=10.0.1.1
102 local ip_gw_local_tunnel=20.0.0.1
103 local ip_gw_remote_tunnel=20.0.0.2
104 local ip_gw_remote=10.0.2.1
105 local ip_remote=10.0.2.2
106 local subnet_local=10.0.1.0
107 local subnet_remote=10.0.2.0
108 local tmpfile=./tmp
109 local outfile=./out
110 local pktproto=$(generate_pktproto $proto)
111 local algo_args="$(generate_algo_args $proto $algo)"
112
113 setup_servers
114
115 export RUMP_SERVER=$SOCK_LOCAL
116 atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
117 atf_check -s exit:0 rump.ifconfig shmif0 $ip_local/24
118 atf_check -s exit:0 -o ignore \
119 rump.route -n add -net $subnet_remote $ip_gw_local
120
121 export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
122 atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
123 atf_check -s exit:0 rump.ifconfig shmif0 $ip_gw_local/24
124 atf_check -s exit:0 rump.ifconfig shmif1 $ip_gw_local_tunnel/24
125 atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=1
126 atf_check -s exit:0 -o ignore \
127 rump.route -n add -net $subnet_remote $ip_gw_remote_tunnel
128 rump.sysctl -a |grep ipsec
129
130 export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
131 atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
132 atf_check -s exit:0 rump.ifconfig shmif0 $ip_gw_remote/24
133 atf_check -s exit:0 rump.ifconfig shmif1 $ip_gw_remote_tunnel/24
134 atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=1
135 atf_check -s exit:0 -o ignore \
136 rump.route -n add -net $subnet_local $ip_gw_local_tunnel
137
138 export RUMP_SERVER=$SOCK_REMOTE
139 atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
140 atf_check -s exit:0 rump.ifconfig shmif0 $ip_remote/24
141 atf_check -s exit:0 -o ignore \
142 rump.route -n add -net $subnet_local $ip_gw_remote
143
144 extract_new_packets $BUS_TUNNEL > $outfile
145
146 export RUMP_SERVER=$SOCK_LOCAL
147 atf_check -s exit:0 -o ignore rump.ping -c 1 -n -w 3 $ip_remote
148
149 extract_new_packets $BUS_TUNNEL > $outfile
150 atf_check -s exit:0 \
151 -o match:"$ip_local > $ip_remote: ICMP echo request" \
152 cat $outfile
153 atf_check -s exit:0 \
154 -o match:"$ip_remote > $ip_local: ICMP echo reply" \
155 cat $outfile
156
157 export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
158 # from https://www.netbsd.org/docs/network/ipsec/
159 cat > $tmpfile <<-EOF
160 add $ip_gw_local_tunnel $ip_gw_remote_tunnel $proto 10000 $algo_args;
161 add $ip_gw_remote_tunnel $ip_gw_local_tunnel $proto 10001 $algo_args;
162 add $ip_gw_local_tunnel $ip_gw_remote_tunnel ipcomp 10000 -C $calgo;
163 add $ip_gw_remote_tunnel $ip_gw_local_tunnel ipcomp 10001 -C $calgo;
164 spdadd $subnet_local/24 $subnet_remote/24 any -P out ipsec
165 ipcomp/tunnel/$ip_gw_local_tunnel-$ip_gw_remote_tunnel/require
166 $proto/transport//require;
167 spdadd $subnet_remote/24 $subnet_local/24 any -P in ipsec
168 ipcomp/tunnel/$ip_gw_remote_tunnel-$ip_gw_local_tunnel/require
169 $proto/transport//require;
170 EOF
171 $DEBUG && cat $tmpfile
172 atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
173 check_sa_entries $SOCK_TUNNEL_LOCAL $ip_gw_local_tunnel \
174 $ip_gw_remote_tunnel
175
176 export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
177 cat > $tmpfile <<-EOF
178 add $ip_gw_local_tunnel $ip_gw_remote_tunnel $proto 10000 $algo_args;
179 add $ip_gw_remote_tunnel $ip_gw_local_tunnel $proto 10001 $algo_args;
180 add $ip_gw_local_tunnel $ip_gw_remote_tunnel ipcomp 10000 -C $calgo;
181 add $ip_gw_remote_tunnel $ip_gw_local_tunnel ipcomp 10001 -C $calgo;
182 spdadd $subnet_remote/24 $subnet_local/24 any -P out ipsec
183 ipcomp/tunnel/$ip_gw_remote_tunnel-$ip_gw_local_tunnel/require
184 $proto/transport//require;
185 spdadd $subnet_local/24 $subnet_remote/24 any -P in ipsec
186 ipcomp/tunnel/$ip_gw_local_tunnel-$ip_gw_remote_tunnel/require
187 $proto/transport//require;
188 EOF
189 $DEBUG && cat $tmpfile
190 atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
191 check_sa_entries $SOCK_TUNNEL_REMOTE $ip_gw_local_tunnel \
192 $ip_gw_remote_tunnel
193
194 export RUMP_SERVER=$SOCK_LOCAL
195 # IPComp sends a packet as-is if a compressed payload of
196 # the packet is greater than or equal to the original payload.
197 # So we have to fill a payload with 1 to let IPComp always send
198 # a compressed packet.
199
200 # pktsize == minlen - 1
201 pktsize=$(($(get_minlen deflate) - 8 - 20 - 1))
202 atf_check -s exit:0 -o ignore \
203 rump.ping -c 1 -n -w 3 -s $pktsize -p ff $ip_remote
204 extract_new_packets $BUS_TUNNEL > $outfile
205 check_tunnel_ipcomp_packets $outfile \
206 $ip_gw_local_tunnel $ip_gw_remote_tunnel $pktproto \
207 $ip_local $ip_remote ICMP
208
209 # pktsize == minlen
210 pktsize=$(($(get_minlen deflate) - 8 - 20))
211 atf_check -s exit:0 -o ignore \
212 rump.ping -c 1 -n -w 3 -s $pktsize -p ff $ip_remote
213 extract_new_packets $BUS_TUNNEL > $outfile
214 check_tunnel_ipcomp_packets $outfile \
215 $ip_gw_local_tunnel $ip_gw_remote_tunnel $pktproto \
216 $ip_local $ip_remote IPComp
217
218 test_flush_entries $SOCK_TUNNEL_LOCAL
219 test_flush_entries $SOCK_TUNNEL_REMOTE
220 }
221
222 test_ipsec6_tunnel_ipcomp()
223 {
224 local proto=$1
225 local algo=$2
226 local calgo=$3
227 local ip_local=fd00:1::2
228 local ip_gw_local=fd00:1::1
229 local ip_gw_local_tunnel=fc00::1
230 local ip_gw_remote_tunnel=fc00::2
231 local ip_gw_remote=fd00:2::1
232 local ip_remote=fd00:2::2
233 local subnet_local=fd00:1::
234 local subnet_remote=fd00:2::
235 local tmpfile=./tmp
236 local outfile=./out
237 local pktproto=$(generate_pktproto $proto)
238 local algo_args="$(generate_algo_args $proto $algo)"
239
240 setup_servers
241
242 export RUMP_SERVER=$SOCK_LOCAL
243 atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.dad_count=0
244 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_local/64
245 atf_check -s exit:0 -o ignore \
246 rump.route -n add -inet6 -net $subnet_remote/64 $ip_gw_local
247
248 export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
249 atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.dad_count=0
250 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_gw_local/64
251 atf_check -s exit:0 rump.ifconfig shmif1 inet6 $ip_gw_local_tunnel/64
252 atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.forwarding=1
253 atf_check -s exit:0 -o ignore \
254 rump.route -n add -inet6 -net $subnet_remote/64 $ip_gw_remote_tunnel
255
256 export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
257 atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.dad_count=0
258 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_gw_remote/64
259 atf_check -s exit:0 rump.ifconfig shmif1 inet6 $ip_gw_remote_tunnel/64
260 atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.forwarding=1
261 atf_check -s exit:0 -o ignore \
262 rump.route -n add -inet6 -net $subnet_local/64 $ip_gw_local_tunnel
263
264 export RUMP_SERVER=$SOCK_REMOTE
265 atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.dad_count=0
266 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_remote
267 atf_check -s exit:0 -o ignore \
268 rump.route -n add -inet6 -net $subnet_local/64 $ip_gw_remote
269
270 extract_new_packets $BUS_TUNNEL > $outfile
271
272 export RUMP_SERVER=$SOCK_LOCAL
273 atf_check -s exit:0 -o ignore rump.ping6 -c 1 -n -X 3 $ip_remote
274
275 extract_new_packets $BUS_TUNNEL > $outfile
276 atf_check -s exit:0 \
277 -o match:"$ip_local > $ip_remote: ICMP6, echo request" \
278 cat $outfile
279 atf_check -s exit:0 \
280 -o match:"$ip_remote > $ip_local: ICMP6, echo reply" \
281 cat $outfile
282
283 export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
284 # from https://www.netbsd.org/docs/network/ipsec/
285 cat > $tmpfile <<-EOF
286 add $ip_gw_local_tunnel $ip_gw_remote_tunnel $proto 10000 $algo_args;
287 add $ip_gw_remote_tunnel $ip_gw_local_tunnel $proto 10001 $algo_args;
288 add $ip_gw_local_tunnel $ip_gw_remote_tunnel ipcomp 10000 -C $calgo;
289 add $ip_gw_remote_tunnel $ip_gw_local_tunnel ipcomp 10001 -C $calgo;
290 spdadd $subnet_local/64 $subnet_remote/64 any -P out ipsec
291 ipcomp/tunnel/$ip_gw_local_tunnel-$ip_gw_remote_tunnel/require
292 $proto/transport//require;
293 spdadd $subnet_remote/64 $subnet_local/64 any -P in ipsec
294 ipcomp/tunnel/$ip_gw_remote_tunnel-$ip_gw_local_tunnel/require
295 $proto/transport//require;
296 EOF
297 $DEBUG && cat $tmpfile
298 atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
299 check_sa_entries $SOCK_TUNNEL_LOCAL $ip_gw_local_tunnel \
300 $ip_gw_remote_tunnel
301
302 export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
303 cat > $tmpfile <<-EOF
304 add $ip_gw_local_tunnel $ip_gw_remote_tunnel $proto 10000 $algo_args;
305 add $ip_gw_remote_tunnel $ip_gw_local_tunnel $proto 10001 $algo_args;
306 add $ip_gw_local_tunnel $ip_gw_remote_tunnel ipcomp 10000 -C $calgo;
307 add $ip_gw_remote_tunnel $ip_gw_local_tunnel ipcomp 10001 -C $calgo;
308 spdadd $subnet_remote/64 $subnet_local/64 any -P out ipsec
309 ipcomp/tunnel/$ip_gw_remote_tunnel-$ip_gw_local_tunnel/require
310 $proto/transport//require;
311 spdadd $subnet_local/64 $subnet_remote/64 any -P in ipsec
312 ipcomp/tunnel/$ip_gw_local_tunnel-$ip_gw_remote_tunnel/require
313 $proto/transport//require;
314 EOF
315 $DEBUG && cat $tmpfile
316 atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
317 check_sa_entries $SOCK_TUNNEL_REMOTE $ip_gw_local_tunnel \
318 $ip_gw_remote_tunnel
319
320 export RUMP_SERVER=$SOCK_LOCAL
321
322 # IPComp sends a packet as-is if a compressed payload of
323 # the packet is greater than or equal to the original payload.
324 # So we have to fill a payload with 1 to let IPComp always send
325 # a compressed packet.
326
327 # pktsize == minlen - 1
328
329 pktsize=$(($(get_minlen deflate) - 8 - 40 - 1))
330 atf_check -s exit:0 -o ignore \
331 rump.ping6 -c 1 -n -X 3 -s $pktsize -p ff $ip_remote
332 extract_new_packets $BUS_TUNNEL > $outfile
333 check_tunnel_ipcomp_packets $outfile \
334 $ip_gw_local_tunnel $ip_gw_remote_tunnel $pktproto \
335 $ip_local $ip_remote ICMP6
336
337 # pktsize == minlen
338 pktsize=$(($(get_minlen deflate) - 8 - 40))
339 atf_check -s exit:0 -o ignore \
340 rump.ping6 -c 1 -n -X 3 -s $pktsize -p ff $ip_remote
341 extract_new_packets $BUS_TUNNEL > $outfile
342 check_tunnel_ipcomp_packets $outfile \
343 $ip_gw_local_tunnel $ip_gw_remote_tunnel $pktproto \
344 $ip_local $ip_remote IPComp
345
346 test_flush_entries $SOCK_TUNNEL_LOCAL
347 test_flush_entries $SOCK_TUNNEL_REMOTE
348 }
349
350 test_tunnel_ipcomp_common()
351 {
352 local ipproto=$1
353 local proto=$2
354 local algo=$3
355 local calgo=$4
356
357 if [ $ipproto = ipv4 ]; then
358 test_ipsec4_tunnel_ipcomp $proto $algo $calgo
359 else
360 test_ipsec6_tunnel_ipcomp $proto $algo $calgo
361 fi
362 }
363
364 add_test_tunnel_mode()
365 {
366 local ipproto=$1
367 local proto=$2
368 local algo=$3
369 local calgo=$4
370 local _algo=$(echo $algo | sed 's/-//g')
371 local name= desc=
372
373 name="ipsec_tunnel_ipcomp_${calgo}_${ipproto}_${proto}_${_algo}"
374 desc="Tests of IPsec ($ipproto) tunnel mode with $proto ($algo) and ipcomp ($calgo)"
375
376 atf_test_case ${name} cleanup
377 eval "
378 ${name}_head() {
379 atf_set descr \"$desc\"
380 atf_set require.progs rump_server setkey
381 }
382 ${name}_body() {
383 test_tunnel_ipcomp_common $ipproto $proto $algo $calgo
384 rump_server_destroy_ifaces
385 }
386 ${name}_cleanup() {
387 \$DEBUG && dump
388 cleanup
389 }
390 "
391 atf_add_test_case ${name}
392 }
393
394 atf_init_test_cases()
395 {
396 local calgo= algo=
397
398 for calgo in $IPCOMP_COMPRESSION_ALGORITHMS; do
399 for algo in $ESP_ENCRYPTION_ALGORITHMS_MINIMUM; do
400 add_test_tunnel_mode ipv4 esp $algo $calgo
401 add_test_tunnel_mode ipv6 esp $algo $calgo
402 done
403
404 for algo in $AH_AUTHENTICATION_ALGORITHMS_MINIMUM; do
405 add_test_tunnel_mode ipv4 ah $algo $calgo
406 add_test_tunnel_mode ipv6 ah $algo $calgo
407 done
408 done
409 }
410