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t_ipsec_tunnel.sh revision 1.8
      1 #	$NetBSD: t_ipsec_tunnel.sh,v 1.8 2017/05/12 02:34:45 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=$2
     69 	local ip_local=10.0.1.2
     70 	local ip_gw_local=10.0.1.1
     71 	local ip_gw_local_tunnel=20.0.0.1
     72 	local ip_gw_remote_tunnel=20.0.0.2
     73 	local ip_gw_remote=10.0.2.1
     74 	local ip_remote=10.0.2.2
     75 	local subnet_local=10.0.1.0
     76 	local subnet_remote=10.0.2.0
     77 	local tmpfile=./tmp
     78 	local outfile=./out
     79 	local proto_cap=$(echo $proto | tr 'a-z' 'A-Z')
     80 	local algo_args="$(generate_algo_args $proto $algo)"
     81 
     82 	setup_servers
     83 
     84 	export RUMP_SERVER=$SOCK_LOCAL
     85 	atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
     86 	atf_check -s exit:0 rump.ifconfig shmif0 $ip_local/24
     87 	atf_check -s exit:0 -o ignore \
     88 	    rump.route -n add -net $subnet_remote $ip_gw_local
     89 
     90 	export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
     91 	atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
     92 	atf_check -s exit:0 rump.ifconfig shmif0 $ip_gw_local/24
     93 	atf_check -s exit:0 rump.ifconfig shmif1 $ip_gw_local_tunnel/24
     94 	atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=1
     95 	atf_check -s exit:0 -o ignore \
     96 	    rump.route -n add -net $subnet_remote $ip_gw_remote_tunnel
     97 
     98 	export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
     99 	atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
    100 	atf_check -s exit:0 rump.ifconfig shmif0 $ip_gw_remote/24
    101 	atf_check -s exit:0 rump.ifconfig shmif1 $ip_gw_remote_tunnel/24
    102 	atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=1
    103 	atf_check -s exit:0 -o ignore \
    104 	    rump.route -n add -net $subnet_local $ip_gw_local_tunnel
    105 
    106 	export RUMP_SERVER=$SOCK_REMOTE
    107 	atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
    108 	atf_check -s exit:0 rump.ifconfig shmif0 $ip_remote/24
    109 	atf_check -s exit:0 -o ignore \
    110 	    rump.route -n add -net $subnet_local $ip_gw_remote
    111 
    112 	extract_new_packets $BUS_TUNNEL > $outfile
    113 
    114 	export RUMP_SERVER=$SOCK_LOCAL
    115 	atf_check -s exit:0 -o ignore rump.ping -c 1 -n -w 3 $ip_remote
    116 
    117 	extract_new_packets $BUS_TUNNEL > $outfile
    118 	atf_check -s exit:0 \
    119 	    -o match:"$ip_local > $ip_remote: ICMP echo request" \
    120 	    cat $outfile
    121 	atf_check -s exit:0 \
    122 	    -o match:"$ip_remote > $ip_local: ICMP echo reply" \
    123 	    cat $outfile
    124 
    125 	export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
    126 	# from https://www.netbsd.org/docs/network/ipsec/
    127 	cat > $tmpfile <<-EOF
    128 	add $ip_gw_local_tunnel $ip_gw_remote_tunnel $proto 10000 $algo_args;
    129 	add $ip_gw_remote_tunnel $ip_gw_local_tunnel $proto 10001 $algo_args;
    130 	spdadd $subnet_local/24 $subnet_remote/24 any -P out ipsec
    131 	    $proto/tunnel/$ip_gw_local_tunnel-$ip_gw_remote_tunnel/require;
    132 	spdadd $subnet_remote/24 $subnet_local/24 any -P in ipsec
    133 	    $proto/tunnel/$ip_gw_remote_tunnel-$ip_gw_local_tunnel/require;
    134 	EOF
    135 	$DEBUG && cat $tmpfile
    136 	atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
    137 	check_sa_entries $SOCK_TUNNEL_LOCAL $ip_gw_local_tunnel \
    138 	    $ip_gw_remote_tunnel
    139 
    140 	export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
    141 	cat > $tmpfile <<-EOF
    142 	add $ip_gw_local_tunnel $ip_gw_remote_tunnel $proto 10000 $algo_args;
    143 	add $ip_gw_remote_tunnel $ip_gw_local_tunnel $proto 10001 $algo_args;
    144 	spdadd $subnet_remote/24 $subnet_local/24 any -P out ipsec
    145 	    $proto/tunnel/$ip_gw_remote_tunnel-$ip_gw_local_tunnel/require;
    146 	spdadd $subnet_local/24 $subnet_remote/24 any -P in ipsec
    147 	    $proto/tunnel/$ip_gw_local_tunnel-$ip_gw_remote_tunnel/require;
    148 	EOF
    149 	$DEBUG && cat $tmpfile
    150 	atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
    151 	check_sa_entries $SOCK_TUNNEL_REMOTE $ip_gw_local_tunnel \
    152 	    $ip_gw_remote_tunnel
    153 
    154 	export RUMP_SERVER=$SOCK_LOCAL
    155 	atf_check -s exit:0 -o ignore rump.ping -c 1 -n -w 3 $ip_remote
    156 
    157 	extract_new_packets $BUS_TUNNEL > $outfile
    158 	check_tunnel_packets $outfile $ip_gw_local_tunnel $ip_gw_remote_tunnel \
    159 	    $proto_cap
    160 
    161 	test_flush_entries $SOCK_TUNNEL_LOCAL
    162 	test_flush_entries $SOCK_TUNNEL_REMOTE
    163 }
    164 
    165 test_ipsec6_tunnel()
    166 {
    167 	local proto=$1
    168 	local algo=$2
    169 	local ip_local=fd00:1::2
    170 	local ip_gw_local=fd00:1::1
    171 	local ip_gw_local_tunnel=fc00::1
    172 	local ip_gw_remote_tunnel=fc00::2
    173 	local ip_gw_remote=fd00:2::1
    174 	local ip_remote=fd00:2::2
    175 	local subnet_local=fd00:1::
    176 	local subnet_remote=fd00:2::
    177 	local tmpfile=./tmp
    178 	local outfile=./out
    179 	local proto_cap=$(echo $proto | tr 'a-z' 'A-Z')
    180 	local algo_args="$(generate_algo_args $proto $algo)"
    181 
    182 	setup_servers
    183 
    184 	export RUMP_SERVER=$SOCK_LOCAL
    185 	atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.dad_count=0
    186 	atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_local/64
    187 	atf_check -s exit:0 -o ignore \
    188 	    rump.route -n add -inet6 -net $subnet_remote/64 $ip_gw_local
    189 
    190 	export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
    191 	atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.dad_count=0
    192 	atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_gw_local/64
    193 	atf_check -s exit:0 rump.ifconfig shmif1 inet6 $ip_gw_local_tunnel/64
    194 	atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.forwarding=1
    195 	atf_check -s exit:0 -o ignore \
    196 	    rump.route -n add -inet6 -net $subnet_remote/64 $ip_gw_remote_tunnel
    197 
    198 	export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
    199 	atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.dad_count=0
    200 	atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_gw_remote/64
    201 	atf_check -s exit:0 rump.ifconfig shmif1 inet6 $ip_gw_remote_tunnel/64
    202 	atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.forwarding=1
    203 	atf_check -s exit:0 -o ignore \
    204 	    rump.route -n add -inet6 -net $subnet_local/64 $ip_gw_local_tunnel
    205 
    206 	export RUMP_SERVER=$SOCK_REMOTE
    207 	atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.dad_count=0
    208 	atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_remote
    209 	atf_check -s exit:0 -o ignore \
    210 	    rump.route -n add -inet6 -net $subnet_local/64 $ip_gw_remote
    211 
    212 	extract_new_packets $BUS_TUNNEL > $outfile
    213 
    214 	export RUMP_SERVER=$SOCK_LOCAL
    215 	atf_check -s exit:0 -o ignore rump.ping6 -c 1 -n -X 3 $ip_remote
    216 
    217 	extract_new_packets $BUS_TUNNEL > $outfile
    218 	atf_check -s exit:0 \
    219 	    -o match:"$ip_local > $ip_remote: ICMP6, echo request" \
    220 	    cat $outfile
    221 	atf_check -s exit:0 \
    222 	    -o match:"$ip_remote > $ip_local: ICMP6, echo reply" \
    223 	    cat $outfile
    224 
    225 	export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
    226 	# from https://www.netbsd.org/docs/network/ipsec/
    227 	cat > $tmpfile <<-EOF
    228 	add $ip_gw_local_tunnel $ip_gw_remote_tunnel $proto 10000 $algo_args;
    229 	add $ip_gw_remote_tunnel $ip_gw_local_tunnel $proto 10001 $algo_args;
    230 	spdadd $subnet_local/64 $subnet_remote/64 any -P out ipsec
    231 	    $proto/tunnel/$ip_gw_local_tunnel-$ip_gw_remote_tunnel/require;
    232 	spdadd $subnet_remote/64 $subnet_local/64 any -P in ipsec
    233 	    $proto/tunnel/$ip_gw_remote_tunnel-$ip_gw_local_tunnel/require;
    234 	EOF
    235 	$DEBUG && cat $tmpfile
    236 	atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
    237 	check_sa_entries $SOCK_TUNNEL_LOCAL $ip_gw_local_tunnel \
    238 	    $ip_gw_remote_tunnel
    239 
    240 	export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
    241 	cat > $tmpfile <<-EOF
    242 	add $ip_gw_local_tunnel $ip_gw_remote_tunnel $proto 10000 $algo_args;
    243 	add $ip_gw_remote_tunnel $ip_gw_local_tunnel $proto 10001 $algo_args;
    244 	spdadd $subnet_remote/64 $subnet_local/64 any -P out ipsec
    245 	    $proto/tunnel/$ip_gw_remote_tunnel-$ip_gw_local_tunnel/require;
    246 	spdadd $subnet_local/64 $subnet_remote/64 any -P in ipsec
    247 	    $proto/tunnel/$ip_gw_local_tunnel-$ip_gw_remote_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_REMOTE $ip_gw_local_tunnel \
    252 	    $ip_gw_remote_tunnel
    253 
    254 	export RUMP_SERVER=$SOCK_LOCAL
    255 	atf_check -s exit:0 -o ignore rump.ping6 -c 1 -n -X 3 $ip_remote
    256 
    257 	extract_new_packets $BUS_TUNNEL > $outfile
    258 	check_tunnel_packets $outfile $ip_gw_local_tunnel $ip_gw_remote_tunnel \
    259 	    $proto_cap
    260 
    261 	test_flush_entries $SOCK_TUNNEL_LOCAL
    262 	test_flush_entries $SOCK_TUNNEL_REMOTE
    263 }
    264 
    265 test_tunnel_common()
    266 {
    267 	local ipproto=$1
    268 	local proto=$2
    269 	local algo=$3
    270 
    271 	if [ $ipproto = ipv4 ]; then
    272 		test_ipsec4_tunnel $proto $algo
    273 	else
    274 		test_ipsec6_tunnel $proto $algo
    275 	fi
    276 }
    277 
    278 add_test_tunnel_mode()
    279 {
    280 	local ipproto=$1
    281 	local proto=$2
    282 	local algo=$3
    283 	local _algo=$(echo $algo | sed 's/-//g')
    284 	local name= desc=
    285 
    286 	name="ipsec_tunnel_${ipproto}_${proto}_${_algo}"
    287 	desc="Tests of IPsec ($ipproto) tunnel mode with $proto ($algo)"
    288 
    289 	atf_test_case ${name} cleanup
    290 	eval "								\
    291 	    ${name}_head() {						\
    292 	        atf_set \"descr\" \"$desc\";				\
    293 	        atf_set \"require.progs\" \"rump_server\" \"setkey\";	\
    294 	    };								\
    295 	    ${name}_body() {						\
    296 	        test_tunnel_common $ipproto $proto $algo;		\
    297 	        rump_server_destroy_ifaces;				\
    298 	    };								\
    299 	    ${name}_cleanup() {						\
    300 	        $DEBUG && dump;						\
    301 	        cleanup;						\
    302 	    }								\
    303 	"
    304 	atf_add_test_case ${name}
    305 }
    306 
    307 atf_init_test_cases()
    308 {
    309 	local algo=
    310 
    311 	for algo in $ESP_ENCRYPTION_ALGORITHMS; do
    312 		add_test_tunnel_mode ipv4 esp $algo
    313 		add_test_tunnel_mode ipv6 esp $algo
    314 	done
    315 
    316 	for algo in $AH_AUTHENTICATION_ALGORITHMS; do
    317 		add_test_tunnel_mode ipv4 ah $algo
    318 		add_test_tunnel_mode ipv6 ah $algo
    319 	done
    320 }
    321