353 lines
12 KiB
Bash
353 lines
12 KiB
Bash
# $NetBSD: t_ipsec_tunnel.sh,v 1.3 2017/04/16 10:34:49 ozaki-r Exp $
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#
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# Copyright (c) 2017 Internet Initiative Japan Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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SOCK_LOCAL=unix://ipsec_local
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SOCK_TUNNEL_LOCAL=unix://ipsec_tunel_local
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SOCK_TUNNEL_REMOTE=unix://ipsec_tunnel_remote
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SOCK_REMOTE=unix://ipsec_remote
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BUS_LOCAL=./bus_ipsec_local
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BUS_TUNNEL=./bus_ipsec_tunnel
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BUS_REMOTE=./bus_ipsec_remote
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DEBUG=${DEBUG:-false}
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test_ipsec4_tunnel()
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{
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local proto=$1
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local algo=$2
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local ip_local=10.0.1.2
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local ip_gw_local=10.0.1.1
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local ip_gw_local_tunnel=20.0.0.1
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local ip_gw_remote_tunnel=20.0.0.2
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local ip_gw_remote=10.0.2.1
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local ip_remote=10.0.2.2
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local subnet_local=10.0.1.0
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local subnet_remote=10.0.2.0
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local keylen=$(get_one_valid_keylen $algo)
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local key=$(generate_key $keylen)
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local tmpfile=./tmp
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local outfile=./out
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local opt= proto_cap=
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if [ $proto = esp ]; then
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opt=-E
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proto_cap=ESP
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else
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opt=-A
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proto_cap=AH
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fi
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# See https://www.netbsd.org/docs/network/ipsec/#sample_vpn
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rump_server_crypto_start $SOCK_LOCAL
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rump_server_crypto_start $SOCK_TUNNEL_LOCAL netipsec
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rump_server_crypto_start $SOCK_TUNNEL_REMOTE netipsec
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rump_server_crypto_start $SOCK_REMOTE
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rump_server_add_iface $SOCK_LOCAL shmif0 $BUS_LOCAL
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rump_server_add_iface $SOCK_TUNNEL_LOCAL shmif0 $BUS_LOCAL
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rump_server_add_iface $SOCK_TUNNEL_LOCAL shmif1 $BUS_TUNNEL
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rump_server_add_iface $SOCK_TUNNEL_REMOTE shmif0 $BUS_REMOTE
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rump_server_add_iface $SOCK_TUNNEL_REMOTE shmif1 $BUS_TUNNEL
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rump_server_add_iface $SOCK_REMOTE shmif0 $BUS_REMOTE
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export RUMP_SERVER=$SOCK_LOCAL
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atf_check -s exit:0 rump.ifconfig shmif0 $ip_local/24
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atf_check -s exit:0 -o ignore \
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rump.route -n add -net $subnet_remote $ip_gw_local
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export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
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atf_check -s exit:0 rump.ifconfig shmif0 $ip_gw_local/24
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atf_check -s exit:0 rump.ifconfig shmif1 $ip_gw_local_tunnel/24
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atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=1
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atf_check -s exit:0 -o ignore \
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rump.route -n add -net $subnet_remote $ip_gw_remote_tunnel
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export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
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atf_check -s exit:0 rump.ifconfig shmif0 $ip_gw_remote/24
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atf_check -s exit:0 rump.ifconfig shmif1 $ip_gw_remote_tunnel/24
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atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=1
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atf_check -s exit:0 -o ignore \
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rump.route -n add -net $subnet_local $ip_gw_local_tunnel
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export RUMP_SERVER=$SOCK_REMOTE
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atf_check -s exit:0 rump.ifconfig shmif0 $ip_remote/24
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# Run ifconfig -w 10 just once for optimization
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atf_check -s exit:0 rump.ifconfig -w 10
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atf_check -s exit:0 -o ignore \
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rump.route -n add -net $subnet_local $ip_gw_remote
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extract_new_packets $BUS_TUNNEL > $outfile
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export RUMP_SERVER=$SOCK_LOCAL
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atf_check -s exit:0 -o ignore rump.ping -c 1 -n -w 3 $ip_remote
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extract_new_packets $BUS_TUNNEL > $outfile
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atf_check -s exit:0 \
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-o match:"$ip_local > $ip_remote: ICMP echo request" \
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cat $outfile
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atf_check -s exit:0 \
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-o match:"$ip_remote > $ip_local: ICMP echo reply" \
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cat $outfile
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export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
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# from https://www.netbsd.org/docs/network/ipsec/
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cat > $tmpfile <<-EOF
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add $ip_gw_local_tunnel $ip_gw_remote_tunnel $proto 10000 $opt $algo $key;
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add $ip_gw_remote_tunnel $ip_gw_local_tunnel $proto 10001 $opt $algo $key;
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spdadd $subnet_local/24 $subnet_remote/24 any -P out ipsec
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$proto/tunnel/$ip_gw_local_tunnel-$ip_gw_remote_tunnel/require;
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spdadd $subnet_remote/24 $subnet_local/24 any -P in ipsec
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$proto/tunnel/$ip_gw_remote_tunnel-$ip_gw_local_tunnel/require;
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EOF
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$DEBUG && cat $tmpfile
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atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
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$DEBUG && $HIJACKING setkey -D
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atf_check -s exit:0 \
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-o match:"$ip_gw_local_tunnel $ip_gw_remote_tunnel" \
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$HIJACKING setkey -D
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atf_check -s exit:0 \
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-o match:"$ip_gw_remote_tunnel $ip_gw_local_tunnel" \
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$HIJACKING setkey -D
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# TODO: more detail checks
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export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
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cat > $tmpfile <<-EOF
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add $ip_gw_local_tunnel $ip_gw_remote_tunnel $proto 10000 $opt $algo $key;
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add $ip_gw_remote_tunnel $ip_gw_local_tunnel $proto 10001 $opt $algo $key;
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spdadd $subnet_remote/24 $subnet_local/24 any -P out ipsec
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$proto/tunnel/$ip_gw_remote_tunnel-$ip_gw_local_tunnel/require;
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spdadd $subnet_local/24 $subnet_remote/24 any -P in ipsec
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$proto/tunnel/$ip_gw_local_tunnel-$ip_gw_remote_tunnel/require;
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EOF
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$DEBUG && cat $tmpfile
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atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
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$DEBUG && $HIJACKING setkey -D
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atf_check -s exit:0 \
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-o match:"$ip_gw_local_tunnel $ip_gw_remote_tunnel" \
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$HIJACKING setkey -D
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atf_check -s exit:0 \
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-o match:"$ip_gw_remote_tunnel $ip_gw_local_tunnel" \
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$HIJACKING setkey -D
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# TODO: more detail checks
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export RUMP_SERVER=$SOCK_LOCAL
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atf_check -s exit:0 -o ignore rump.ping -c 1 -n -w 3 $ip_remote
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extract_new_packets $BUS_TUNNEL > $outfile
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atf_check -s exit:0 \
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-o match:"$ip_gw_local_tunnel > $ip_gw_remote_tunnel: $proto_cap" \
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cat $outfile
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atf_check -s exit:0 \
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-o match:"$ip_gw_remote_tunnel > $ip_gw_local_tunnel: $proto_cap" \
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cat $outfile
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}
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test_ipsec6_tunnel()
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{
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local proto=$1
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local algo=$2
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local ip_local=fd00:1::2
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local ip_gw_local=fd00:1::1
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local ip_gw_local_tunnel=fc00::1
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local ip_gw_remote_tunnel=fc00::2
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local ip_gw_remote=fd00:2::1
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local ip_remote=fd00:2::2
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local subnet_local=fd00:1::
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local subnet_remote=fd00:2::
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local keylen=$(get_one_valid_keylen $algo)
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local key=$(generate_key $keylen)
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local tmpfile=./tmp
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local outfile=./out
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local opt= proto_cap=
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if [ $proto = esp ]; then
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opt=-E
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proto_cap=ESP
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else
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opt=-A
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proto_cap=AH
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fi
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rump_server_crypto_start $SOCK_LOCAL netinet6
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rump_server_crypto_start $SOCK_TUNNEL_LOCAL netipsec netinet6
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rump_server_crypto_start $SOCK_TUNNEL_REMOTE netipsec netinet6
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rump_server_crypto_start $SOCK_REMOTE netinet6
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rump_server_add_iface $SOCK_LOCAL shmif0 $BUS_LOCAL
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rump_server_add_iface $SOCK_TUNNEL_LOCAL shmif0 $BUS_LOCAL
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rump_server_add_iface $SOCK_TUNNEL_LOCAL shmif1 $BUS_TUNNEL
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rump_server_add_iface $SOCK_TUNNEL_REMOTE shmif0 $BUS_REMOTE
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rump_server_add_iface $SOCK_TUNNEL_REMOTE shmif1 $BUS_TUNNEL
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rump_server_add_iface $SOCK_REMOTE shmif0 $BUS_REMOTE
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export RUMP_SERVER=$SOCK_LOCAL
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atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_local/64
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atf_check -s exit:0 -o ignore \
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rump.route -n add -inet6 -net $subnet_remote/64 $ip_gw_local
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export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
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atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_gw_local/64
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atf_check -s exit:0 rump.ifconfig shmif1 inet6 $ip_gw_local_tunnel/64
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atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.forwarding=1
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atf_check -s exit:0 -o ignore \
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rump.route -n add -inet6 -net $subnet_remote/64 $ip_gw_remote_tunnel
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export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
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atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_gw_remote/64
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atf_check -s exit:0 rump.ifconfig shmif1 inet6 $ip_gw_remote_tunnel/64
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atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.forwarding=1
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atf_check -s exit:0 -o ignore \
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rump.route -n add -inet6 -net $subnet_local/64 $ip_gw_local_tunnel
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export RUMP_SERVER=$SOCK_REMOTE
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atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_remote
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# Run ifconfig -w 10 just once for optimization
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atf_check -s exit:0 rump.ifconfig -w 10
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atf_check -s exit:0 -o ignore \
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rump.route -n add -inet6 -net $subnet_local/64 $ip_gw_remote
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extract_new_packets $BUS_TUNNEL > $outfile
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export RUMP_SERVER=$SOCK_LOCAL
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atf_check -s exit:0 -o ignore rump.ping6 -c 1 -n -X 3 $ip_remote
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extract_new_packets $BUS_TUNNEL > $outfile
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atf_check -s exit:0 \
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-o match:"$ip_local > $ip_remote: ICMP6, echo request" \
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cat $outfile
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atf_check -s exit:0 \
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-o match:"$ip_remote > $ip_local: ICMP6, echo reply" \
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cat $outfile
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export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
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# from https://www.netbsd.org/docs/network/ipsec/
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cat > $tmpfile <<-EOF
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add $ip_gw_local_tunnel $ip_gw_remote_tunnel $proto 10000 $opt $algo $key;
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add $ip_gw_remote_tunnel $ip_gw_local_tunnel $proto 10001 $opt $algo $key;
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spdadd $subnet_local/64 $subnet_remote/64 any -P out ipsec
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$proto/tunnel/$ip_gw_local_tunnel-$ip_gw_remote_tunnel/require;
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spdadd $subnet_remote/64 $subnet_local/64 any -P in ipsec
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$proto/tunnel/$ip_gw_remote_tunnel-$ip_gw_local_tunnel/require;
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EOF
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$DEBUG && cat $tmpfile
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atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
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$DEBUG && $HIJACKING setkey -D
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atf_check -s exit:0 \
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-o match:"$ip_gw_local_tunnel $ip_gw_remote_tunnel" \
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$HIJACKING setkey -D
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atf_check -s exit:0 \
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-o match:"$ip_gw_remote_tunnel $ip_gw_local_tunnel" \
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$HIJACKING setkey -D
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# TODO: more detail checks
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export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
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cat > $tmpfile <<-EOF
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add $ip_gw_local_tunnel $ip_gw_remote_tunnel $proto 10000 $opt $algo $key;
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add $ip_gw_remote_tunnel $ip_gw_local_tunnel $proto 10001 $opt $algo $key;
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spdadd $subnet_remote/64 $subnet_local/64 any -P out ipsec
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$proto/tunnel/$ip_gw_remote_tunnel-$ip_gw_local_tunnel/require;
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spdadd $subnet_local/64 $subnet_remote/64 any -P in ipsec
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$proto/tunnel/$ip_gw_local_tunnel-$ip_gw_remote_tunnel/require;
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EOF
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$DEBUG && cat $tmpfile
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atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
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$DEBUG && $HIJACKING setkey -D
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atf_check -s exit:0 \
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-o match:"$ip_gw_local_tunnel $ip_gw_remote_tunnel" \
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$HIJACKING setkey -D
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atf_check -s exit:0 \
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-o match:"$ip_gw_remote_tunnel $ip_gw_local_tunnel" \
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$HIJACKING setkey -D
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# TODO: more detail checks
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export RUMP_SERVER=$SOCK_LOCAL
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atf_check -s exit:0 -o ignore rump.ping6 -c 1 -n -X 3 $ip_remote
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extract_new_packets $BUS_TUNNEL > $outfile
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atf_check -s exit:0 \
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-o match:"$ip_gw_local_tunnel > $ip_gw_remote_tunnel: $proto_cap" \
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cat $outfile
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atf_check -s exit:0 \
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-o match:"$ip_gw_remote_tunnel > $ip_gw_local_tunnel: $proto_cap" \
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cat $outfile
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}
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test_tunnel_common()
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{
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local ipproto=$1
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local proto=$2
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local algo=$3
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if [ $ipproto = ipv4 ]; then
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test_ipsec4_tunnel $proto $algo
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else
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test_ipsec6_tunnel $proto $algo
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fi
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}
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add_test_tunnel_mode()
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{
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local ipproto=$1
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local proto=$2
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local algo=$3
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local _algo=$(echo $algo | sed 's/-//g')
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local name= desc=
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name="ipsec_tunnel_${ipproto}_${proto}_${_algo}"
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desc="Tests of IPsec ($ipproto) tunnel mode with $proto ($algo)"
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atf_test_case ${name} cleanup
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eval " \
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${name}_head() { \
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atf_set \"descr\" \"$desc\"; \
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atf_set \"require.progs\" \"rump_server\" \"setkey\"; \
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}; \
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${name}_body() { \
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test_tunnel_common $ipproto $proto $algo; \
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rump_server_destroy_ifaces; \
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}; \
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${name}_cleanup() { \
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$DEBUG && dump; \
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cleanup; \
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} \
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"
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atf_add_test_case ${name}
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}
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atf_init_test_cases()
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{
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local algo=
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for algo in $ESP_ENCRYPTION_ALGORITHMS; do
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add_test_tunnel_mode ipv4 esp $algo
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add_test_tunnel_mode ipv6 esp $algo
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done
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for algo in $AH_AUTHENTICATION_ALGORITHMS; do
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add_test_tunnel_mode ipv4 ah $algo
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add_test_tunnel_mode ipv6 ah $algo
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done
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}
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