t_ipsec_tunnel.sh revision 1.6 1 # $NetBSD: t_ipsec_tunnel.sh,v 1.6 2017/05/10 08:59:40 ozaki-r 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_packets()
55 {
56 local outfile=$1
57 local src=$2
58 local dst=$3
59 local proto=$4
60
61 atf_check -s exit:0 -o match:"$src > $dst: $proto" cat $outfile
62 atf_check -s exit:0 -o match:"$dst > $src: $proto" cat $outfile
63 }
64
65 test_ipsec4_tunnel()
66 {
67 local proto=$1
68 local algo=$2
69 local ip_local=10.0.1.2
70 local ip_gw_local=10.0.1.1
71 local ip_gw_local_tunnel=20.0.0.1
72 local ip_gw_remote_tunnel=20.0.0.2
73 local ip_gw_remote=10.0.2.1
74 local ip_remote=10.0.2.2
75 local subnet_local=10.0.1.0
76 local subnet_remote=10.0.2.0
77 local keylen=$(get_one_valid_keylen $algo)
78 local key=$(generate_key $keylen)
79 local tmpfile=./tmp
80 local outfile=./out
81 local opt= proto_cap=
82
83 if [ $proto = esp ]; then
84 opt=-E
85 proto_cap=ESP
86 else
87 opt=-A
88 proto_cap=AH
89 fi
90
91 setup_servers
92
93 export RUMP_SERVER=$SOCK_LOCAL
94 atf_check -s exit:0 rump.ifconfig shmif0 $ip_local/24
95 atf_check -s exit:0 -o ignore \
96 rump.route -n add -net $subnet_remote $ip_gw_local
97
98 export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
99 atf_check -s exit:0 rump.ifconfig shmif0 $ip_gw_local/24
100 atf_check -s exit:0 rump.ifconfig shmif1 $ip_gw_local_tunnel/24
101 atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=1
102 atf_check -s exit:0 -o ignore \
103 rump.route -n add -net $subnet_remote $ip_gw_remote_tunnel
104
105 export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
106 atf_check -s exit:0 rump.ifconfig shmif0 $ip_gw_remote/24
107 atf_check -s exit:0 rump.ifconfig shmif1 $ip_gw_remote_tunnel/24
108 atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=1
109 atf_check -s exit:0 -o ignore \
110 rump.route -n add -net $subnet_local $ip_gw_local_tunnel
111
112 export RUMP_SERVER=$SOCK_REMOTE
113 atf_check -s exit:0 rump.ifconfig shmif0 $ip_remote/24
114 # Run ifconfig -w 10 just once for optimization
115 atf_check -s exit:0 rump.ifconfig -w 10
116 atf_check -s exit:0 -o ignore \
117 rump.route -n add -net $subnet_local $ip_gw_remote
118
119 extract_new_packets $BUS_TUNNEL > $outfile
120
121 export RUMP_SERVER=$SOCK_LOCAL
122 atf_check -s exit:0 -o ignore rump.ping -c 1 -n -w 3 $ip_remote
123
124 extract_new_packets $BUS_TUNNEL > $outfile
125 atf_check -s exit:0 \
126 -o match:"$ip_local > $ip_remote: ICMP echo request" \
127 cat $outfile
128 atf_check -s exit:0 \
129 -o match:"$ip_remote > $ip_local: ICMP echo reply" \
130 cat $outfile
131
132 export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
133 # from https://www.netbsd.org/docs/network/ipsec/
134 cat > $tmpfile <<-EOF
135 add $ip_gw_local_tunnel $ip_gw_remote_tunnel $proto 10000 $opt $algo $key;
136 add $ip_gw_remote_tunnel $ip_gw_local_tunnel $proto 10001 $opt $algo $key;
137 spdadd $subnet_local/24 $subnet_remote/24 any -P out ipsec
138 $proto/tunnel/$ip_gw_local_tunnel-$ip_gw_remote_tunnel/require;
139 spdadd $subnet_remote/24 $subnet_local/24 any -P in ipsec
140 $proto/tunnel/$ip_gw_remote_tunnel-$ip_gw_local_tunnel/require;
141 EOF
142 $DEBUG && cat $tmpfile
143 atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
144 check_sa_entries $SOCK_TUNNEL_LOCAL $ip_gw_local_tunnel \
145 $ip_gw_remote_tunnel
146
147 export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
148 cat > $tmpfile <<-EOF
149 add $ip_gw_local_tunnel $ip_gw_remote_tunnel $proto 10000 $opt $algo $key;
150 add $ip_gw_remote_tunnel $ip_gw_local_tunnel $proto 10001 $opt $algo $key;
151 spdadd $subnet_remote/24 $subnet_local/24 any -P out ipsec
152 $proto/tunnel/$ip_gw_remote_tunnel-$ip_gw_local_tunnel/require;
153 spdadd $subnet_local/24 $subnet_remote/24 any -P in ipsec
154 $proto/tunnel/$ip_gw_local_tunnel-$ip_gw_remote_tunnel/require;
155 EOF
156 $DEBUG && cat $tmpfile
157 atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
158 check_sa_entries $SOCK_TUNNEL_REMOTE $ip_gw_local_tunnel \
159 $ip_gw_remote_tunnel
160
161 export RUMP_SERVER=$SOCK_LOCAL
162 atf_check -s exit:0 -o ignore rump.ping -c 1 -n -w 3 $ip_remote
163
164 extract_new_packets $BUS_TUNNEL > $outfile
165 check_tunnel_packets $outfile $ip_gw_local_tunnel $ip_gw_remote_tunnel \
166 $proto_cap
167
168 test_flush_entries $SOCK_TUNNEL_LOCAL
169 test_flush_entries $SOCK_TUNNEL_REMOTE
170 }
171
172 test_ipsec6_tunnel()
173 {
174 local proto=$1
175 local algo=$2
176 local ip_local=fd00:1::2
177 local ip_gw_local=fd00:1::1
178 local ip_gw_local_tunnel=fc00::1
179 local ip_gw_remote_tunnel=fc00::2
180 local ip_gw_remote=fd00:2::1
181 local ip_remote=fd00:2::2
182 local subnet_local=fd00:1::
183 local subnet_remote=fd00:2::
184 local keylen=$(get_one_valid_keylen $algo)
185 local key=$(generate_key $keylen)
186 local tmpfile=./tmp
187 local outfile=./out
188 local opt= proto_cap=
189
190 if [ $proto = esp ]; then
191 opt=-E
192 proto_cap=ESP
193 else
194 opt=-A
195 proto_cap=AH
196 fi
197
198 setup_servers
199
200 export RUMP_SERVER=$SOCK_LOCAL
201 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_local/64
202 atf_check -s exit:0 -o ignore \
203 rump.route -n add -inet6 -net $subnet_remote/64 $ip_gw_local
204
205 export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
206 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_gw_local/64
207 atf_check -s exit:0 rump.ifconfig shmif1 inet6 $ip_gw_local_tunnel/64
208 atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.forwarding=1
209 atf_check -s exit:0 -o ignore \
210 rump.route -n add -inet6 -net $subnet_remote/64 $ip_gw_remote_tunnel
211
212 export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
213 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_gw_remote/64
214 atf_check -s exit:0 rump.ifconfig shmif1 inet6 $ip_gw_remote_tunnel/64
215 atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.forwarding=1
216 atf_check -s exit:0 -o ignore \
217 rump.route -n add -inet6 -net $subnet_local/64 $ip_gw_local_tunnel
218
219 export RUMP_SERVER=$SOCK_REMOTE
220 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_remote
221 # Run ifconfig -w 10 just once for optimization
222 atf_check -s exit:0 rump.ifconfig -w 10
223 atf_check -s exit:0 -o ignore \
224 rump.route -n add -inet6 -net $subnet_local/64 $ip_gw_remote
225
226 extract_new_packets $BUS_TUNNEL > $outfile
227
228 export RUMP_SERVER=$SOCK_LOCAL
229 atf_check -s exit:0 -o ignore rump.ping6 -c 1 -n -X 3 $ip_remote
230
231 extract_new_packets $BUS_TUNNEL > $outfile
232 atf_check -s exit:0 \
233 -o match:"$ip_local > $ip_remote: ICMP6, echo request" \
234 cat $outfile
235 atf_check -s exit:0 \
236 -o match:"$ip_remote > $ip_local: ICMP6, echo reply" \
237 cat $outfile
238
239 export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
240 # from https://www.netbsd.org/docs/network/ipsec/
241 cat > $tmpfile <<-EOF
242 add $ip_gw_local_tunnel $ip_gw_remote_tunnel $proto 10000 $opt $algo $key;
243 add $ip_gw_remote_tunnel $ip_gw_local_tunnel $proto 10001 $opt $algo $key;
244 spdadd $subnet_local/64 $subnet_remote/64 any -P out ipsec
245 $proto/tunnel/$ip_gw_local_tunnel-$ip_gw_remote_tunnel/require;
246 spdadd $subnet_remote/64 $subnet_local/64 any -P in ipsec
247 $proto/tunnel/$ip_gw_remote_tunnel-$ip_gw_local_tunnel/require;
248 EOF
249 $DEBUG && cat $tmpfile
250 atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
251 check_sa_entries $SOCK_TUNNEL_LOCAL $ip_gw_local_tunnel \
252 $ip_gw_remote_tunnel
253
254 export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
255 cat > $tmpfile <<-EOF
256 add $ip_gw_local_tunnel $ip_gw_remote_tunnel $proto 10000 $opt $algo $key;
257 add $ip_gw_remote_tunnel $ip_gw_local_tunnel $proto 10001 $opt $algo $key;
258 spdadd $subnet_remote/64 $subnet_local/64 any -P out ipsec
259 $proto/tunnel/$ip_gw_remote_tunnel-$ip_gw_local_tunnel/require;
260 spdadd $subnet_local/64 $subnet_remote/64 any -P in ipsec
261 $proto/tunnel/$ip_gw_local_tunnel-$ip_gw_remote_tunnel/require;
262 EOF
263 $DEBUG && cat $tmpfile
264 atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
265 check_sa_entries $SOCK_TUNNEL_REMOTE $ip_gw_local_tunnel \
266 $ip_gw_remote_tunnel
267
268 export RUMP_SERVER=$SOCK_LOCAL
269 atf_check -s exit:0 -o ignore rump.ping6 -c 1 -n -X 3 $ip_remote
270
271 extract_new_packets $BUS_TUNNEL > $outfile
272 check_tunnel_packets $outfile $ip_gw_local_tunnel $ip_gw_remote_tunnel \
273 $proto_cap
274
275 test_flush_entries $SOCK_TUNNEL_LOCAL
276 test_flush_entries $SOCK_TUNNEL_REMOTE
277 }
278
279 test_tunnel_common()
280 {
281 local ipproto=$1
282 local proto=$2
283 local algo=$3
284
285 if [ $ipproto = ipv4 ]; then
286 test_ipsec4_tunnel $proto $algo
287 else
288 test_ipsec6_tunnel $proto $algo
289 fi
290 }
291
292 add_test_tunnel_mode()
293 {
294 local ipproto=$1
295 local proto=$2
296 local algo=$3
297 local _algo=$(echo $algo | sed 's/-//g')
298 local name= desc=
299
300 name="ipsec_tunnel_${ipproto}_${proto}_${_algo}"
301 desc="Tests of IPsec ($ipproto) tunnel mode with $proto ($algo)"
302
303 atf_test_case ${name} cleanup
304 eval " \
305 ${name}_head() { \
306 atf_set \"descr\" \"$desc\"; \
307 atf_set \"require.progs\" \"rump_server\" \"setkey\"; \
308 }; \
309 ${name}_body() { \
310 test_tunnel_common $ipproto $proto $algo; \
311 rump_server_destroy_ifaces; \
312 }; \
313 ${name}_cleanup() { \
314 $DEBUG && dump; \
315 cleanup; \
316 } \
317 "
318 atf_add_test_case ${name}
319 }
320
321 atf_init_test_cases()
322 {
323 local algo=
324
325 for algo in $ESP_ENCRYPTION_ALGORITHMS; do
326 add_test_tunnel_mode ipv4 esp $algo
327 add_test_tunnel_mode ipv6 esp $algo
328 done
329
330 for algo in $AH_AUTHENTICATION_ALGORITHMS; do
331 add_test_tunnel_mode ipv4 ah $algo
332 add_test_tunnel_mode ipv6 ah $algo
333 done
334 }
335