Module Name:    src
Committed By:   ozaki-r
Date:           Wed May 10 09:08:25 UTC 2017

Modified Files:
        src/distrib/sets/lists/tests: mi
        src/tests/net/ipsec: Makefile
Added Files:
        src/tests/net/ipsec: t_ipsec_tunnel_odd.sh

Log Message:
Test tunnel mode with IPv4 over IPv6 and IPv6 over IPv4


To generate a diff of this commit:
cvs rdiff -u -r1.737 -r1.738 src/distrib/sets/lists/tests/mi
cvs rdiff -u -r1.4 -r1.5 src/tests/net/ipsec/Makefile
cvs rdiff -u -r0 -r1.1 src/tests/net/ipsec/t_ipsec_tunnel_odd.sh

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/distrib/sets/lists/tests/mi
diff -u src/distrib/sets/lists/tests/mi:1.737 src/distrib/sets/lists/tests/mi:1.738
--- src/distrib/sets/lists/tests/mi:1.737	Thu Apr 27 06:53:44 2017
+++ src/distrib/sets/lists/tests/mi	Wed May 10 09:08:25 2017
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.737 2017/04/27 06:53:44 ozaki-r Exp $
+# $NetBSD: mi,v 1.738 2017/05/10 09:08:25 ozaki-r Exp $
 #
 # Note: don't delete entries from here - mark them as "obsolete" instead.
 #
@@ -3303,6 +3303,7 @@
 ./usr/tests/net/ipsec/t_ipsec_sysctl		tests-net-tests		atf,rump
 ./usr/tests/net/ipsec/t_ipsec_transport		tests-net-tests		atf,rump
 ./usr/tests/net/ipsec/t_ipsec_tunnel		tests-net-tests		atf,rump
+./usr/tests/net/ipsec/t_ipsec_tunnel_odd	tests-net-tests		atf,rump
 ./usr/tests/net/ipsec/t_ipsec_gif		tests-net-tests		atf,rump
 ./usr/tests/net/ipsec/t_ipsec_l2tp		tests-net-tests		atf,rump
 ./usr/tests/net/mcast				tests-net-tests		compattestfile,atf

Index: src/tests/net/ipsec/Makefile
diff -u src/tests/net/ipsec/Makefile:1.4 src/tests/net/ipsec/Makefile:1.5
--- src/tests/net/ipsec/Makefile:1.4	Tue May  9 04:25:28 2017
+++ src/tests/net/ipsec/Makefile	Wed May 10 09:08:25 2017
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.4 2017/05/09 04:25:28 ozaki-r Exp $
+# $NetBSD: Makefile,v 1.5 2017/05/10 09:08:25 ozaki-r Exp $
 #
 
 .include <bsd.own.mk>
@@ -6,7 +6,7 @@
 TESTSDIR=	${TESTSBASE}/net/ipsec
 
 .for name in ipsec_ah_keys ipsec_esp_keys ipsec_gif ipsec_l2tp ipsec_sysctl \
-    ipsec_transport ipsec_tunnel
+    ipsec_transport ipsec_tunnel ipsec_tunnel_odd
 TESTS_SH+=		t_${name}
 TESTS_SH_SRC_t_${name}=	../net_common.sh ./common.sh ./algorithms.sh \
     t_${name}.sh

Added files:

Index: src/tests/net/ipsec/t_ipsec_tunnel_odd.sh
diff -u /dev/null src/tests/net/ipsec/t_ipsec_tunnel_odd.sh:1.1
--- /dev/null	Wed May 10 09:08:25 2017
+++ src/tests/net/ipsec/t_ipsec_tunnel_odd.sh	Wed May 10 09:08:25 2017
@@ -0,0 +1,354 @@
+#	$NetBSD: t_ipsec_tunnel_odd.sh,v 1.1 2017/05/10 09:08:25 ozaki-r Exp $
+#
+# Copyright (c) 2017 Internet Initiative Japan Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+SOCK_LOCAL=unix://ipsec_local
+SOCK_TUNNEL_LOCAL=unix://ipsec_tunel_local
+SOCK_TUNNEL_REMOTE=unix://ipsec_tunnel_remote
+SOCK_REMOTE=unix://ipsec_remote
+BUS_LOCAL=./bus_ipsec_local
+BUS_TUNNEL=./bus_ipsec_tunnel
+BUS_REMOTE=./bus_ipsec_remote
+
+DEBUG=${DEBUG:-false}
+
+setup_servers()
+{
+
+	# See https://www.netbsd.org/docs/network/ipsec/#sample_vpn
+	rump_server_crypto_start $SOCK_LOCAL netinet6
+	rump_server_crypto_start $SOCK_TUNNEL_LOCAL netipsec netinet6
+	rump_server_crypto_start $SOCK_TUNNEL_REMOTE netipsec netinet6
+	rump_server_crypto_start $SOCK_REMOTE netinet6
+	rump_server_add_iface $SOCK_LOCAL shmif0 $BUS_LOCAL
+	rump_server_add_iface $SOCK_TUNNEL_LOCAL shmif0 $BUS_LOCAL
+	rump_server_add_iface $SOCK_TUNNEL_LOCAL shmif1 $BUS_TUNNEL
+	rump_server_add_iface $SOCK_TUNNEL_REMOTE shmif0 $BUS_REMOTE
+	rump_server_add_iface $SOCK_TUNNEL_REMOTE shmif1 $BUS_TUNNEL
+	rump_server_add_iface $SOCK_REMOTE shmif0 $BUS_REMOTE
+}
+
+check_tunnel_packets()
+{
+	local outfile=$1
+	local src=$2
+	local dst=$3
+	local proto=$4
+
+	atf_check -s exit:0 -o match:"$src > $dst: $proto" cat $outfile
+	atf_check -s exit:0 -o match:"$dst > $src: $proto" cat $outfile
+}
+
+test_ipsec46_tunnel()
+{
+	local proto=$1
+	local algo=$2
+	local ip_local=10.0.1.2
+	local ip_gw_local=10.0.1.1
+	local ip_gw_local_tunnel=20.0.0.1
+	local ip_gw_remote_tunnel=20.0.0.2
+	local ip6_gw_local_tunnel=fc00::1
+	local ip6_gw_remote_tunnel=fc00::2
+	local ip_gw_remote=10.0.2.1
+	local ip_remote=10.0.2.2
+	local subnet_local=10.0.1.0
+	local subnet_remote=10.0.2.0
+	local keylen=$(get_one_valid_keylen $algo)
+	local key=$(generate_key $keylen)
+	local tmpfile=./tmp
+	local outfile=./out
+	local opt= proto_cap=
+
+	if [ $proto = esp ]; then
+		opt=-E
+		proto_cap=ESP
+	else
+		opt=-A
+		proto_cap=AH
+	fi
+
+	setup_servers
+
+	export RUMP_SERVER=$SOCK_LOCAL
+	atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
+	atf_check -s exit:0 rump.ifconfig shmif0 $ip_local/24
+	atf_check -s exit:0 -o ignore \
+	    rump.route -n add -net $subnet_remote $ip_gw_local
+
+	export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
+	atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
+	atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.dad_count=0
+	atf_check -s exit:0 rump.ifconfig shmif0 $ip_gw_local/24
+	atf_check -s exit:0 rump.ifconfig shmif1 $ip_gw_local_tunnel/24
+	atf_check -s exit:0 rump.ifconfig shmif1 inet6 $ip6_gw_local_tunnel/24
+	atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=1
+	atf_check -s exit:0 -o ignore \
+	    rump.route -n add -net $subnet_remote $ip_gw_remote_tunnel
+
+	export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
+	atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
+	atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.dad_count=0
+	atf_check -s exit:0 rump.ifconfig shmif0 $ip_gw_remote/24
+	atf_check -s exit:0 rump.ifconfig shmif1 $ip_gw_remote_tunnel/24
+	atf_check -s exit:0 rump.ifconfig shmif1 inet6 $ip6_gw_remote_tunnel/24
+	atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=1
+	atf_check -s exit:0 -o ignore \
+	    rump.route -n add -net $subnet_local $ip_gw_local_tunnel
+
+	export RUMP_SERVER=$SOCK_REMOTE
+	atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
+	atf_check -s exit:0 rump.ifconfig shmif0 $ip_remote/24
+	atf_check -s exit:0 -o ignore \
+	    rump.route -n add -net $subnet_local $ip_gw_remote
+
+	extract_new_packets $BUS_TUNNEL > $outfile
+
+	export RUMP_SERVER=$SOCK_LOCAL
+	atf_check -s exit:0 -o ignore rump.ping -c 1 -n -w 3 $ip_remote
+
+	extract_new_packets $BUS_TUNNEL > $outfile
+	atf_check -s exit:0 \
+	    -o match:"$ip_local > $ip_remote: ICMP echo request" \
+	    cat $outfile
+	atf_check -s exit:0 \
+	    -o match:"$ip_remote > $ip_local: ICMP echo reply" \
+	    cat $outfile
+
+	export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
+	# from https://www.netbsd.org/docs/network/ipsec/
+	cat > $tmpfile <<-EOF
+	add $ip6_gw_local_tunnel $ip6_gw_remote_tunnel $proto 10000 $opt $algo $key;
+	add $ip6_gw_remote_tunnel $ip6_gw_local_tunnel $proto 10001 $opt $algo $key;
+	spdadd $subnet_local/24 $subnet_remote/24 any -P out ipsec
+	    $proto/tunnel/$ip6_gw_local_tunnel-$ip6_gw_remote_tunnel/require;
+	spdadd $subnet_remote/24 $subnet_local/24 any -P in ipsec
+	    $proto/tunnel/$ip6_gw_remote_tunnel-$ip6_gw_local_tunnel/require;
+	EOF
+	$DEBUG && cat $tmpfile
+	atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
+	check_sa_entries $SOCK_TUNNEL_LOCAL $ip6_gw_local_tunnel \
+	    $ip6_gw_remote_tunnel
+
+	export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
+	cat > $tmpfile <<-EOF
+	add $ip6_gw_local_tunnel $ip6_gw_remote_tunnel $proto 10000 $opt $algo $key;
+	add $ip6_gw_remote_tunnel $ip6_gw_local_tunnel $proto 10001 $opt $algo $key;
+	spdadd $subnet_remote/24 $subnet_local/24 any -P out ipsec
+	    $proto/tunnel/$ip6_gw_remote_tunnel-$ip6_gw_local_tunnel/require;
+	spdadd $subnet_local/24 $subnet_remote/24 any -P in ipsec
+	    $proto/tunnel/$ip6_gw_local_tunnel-$ip6_gw_remote_tunnel/require;
+	EOF
+	$DEBUG && cat $tmpfile
+	atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
+	check_sa_entries $SOCK_TUNNEL_REMOTE $ip6_gw_local_tunnel \
+	    $ip6_gw_remote_tunnel
+
+	export RUMP_SERVER=$SOCK_LOCAL
+	atf_check -s exit:0 -o ignore rump.ping -c 1 -n -w 3 $ip_remote
+
+	extract_new_packets $BUS_TUNNEL > $outfile
+	check_tunnel_packets $outfile $ip6_gw_local_tunnel $ip6_gw_remote_tunnel \
+	    $proto_cap
+
+	test_flush_entries $SOCK_TUNNEL_LOCAL
+	test_flush_entries $SOCK_TUNNEL_REMOTE
+}
+
+test_ipsec64_tunnel()
+{
+	local proto=$1
+	local algo=$2
+	local ip_local=fd00:1::2
+	local ip_gw_local=fd00:1::1
+	local ip_gw_local_tunnel=fc00::1
+	local ip_gw_remote_tunnel=fc00::2
+	local ip4_gw_local_tunnel=20.0.0.1
+	local ip4_gw_remote_tunnel=20.0.0.2
+	local ip_gw_remote=fd00:2::1
+	local ip_remote=fd00:2::2
+	local subnet_local=fd00:1::
+	local subnet_remote=fd00:2::
+	local keylen=$(get_one_valid_keylen $algo)
+	local key=$(generate_key $keylen)
+	local tmpfile=./tmp
+	local outfile=./out
+	local opt= proto_cap=
+
+	if [ $proto = esp ]; then
+		opt=-E
+		proto_cap=ESP
+	else
+		opt=-A
+		proto_cap=AH
+	fi
+
+	setup_servers
+
+	export RUMP_SERVER=$SOCK_LOCAL
+	atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.dad_count=0
+	atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_local/64
+	atf_check -s exit:0 -o ignore \
+	    rump.route -n add -inet6 -net $subnet_remote/64 $ip_gw_local
+
+	export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
+	atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
+	atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.dad_count=0
+	atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_gw_local/64
+	atf_check -s exit:0 rump.ifconfig shmif1 inet6 $ip_gw_local_tunnel/64
+	atf_check -s exit:0 rump.ifconfig shmif1 $ip4_gw_local_tunnel
+	atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.forwarding=1
+	atf_check -s exit:0 -o ignore \
+	    rump.route -n add -inet6 -net $subnet_remote/64 $ip_gw_remote_tunnel
+
+	export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
+	atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
+	atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.dad_count=0
+	atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_gw_remote/64
+	atf_check -s exit:0 rump.ifconfig shmif1 inet6 $ip_gw_remote_tunnel/64
+	atf_check -s exit:0 rump.ifconfig shmif1 $ip4_gw_remote_tunnel
+	atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.forwarding=1
+	atf_check -s exit:0 -o ignore \
+	    rump.route -n add -inet6 -net $subnet_local/64 $ip_gw_local_tunnel
+
+	export RUMP_SERVER=$SOCK_REMOTE
+	atf_check -s exit:0 rump.sysctl -q -w net.inet6.ip6.dad_count=0
+	atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip_remote
+	atf_check -s exit:0 -o ignore \
+	    rump.route -n add -inet6 -net $subnet_local/64 $ip_gw_remote
+
+	extract_new_packets $BUS_TUNNEL > $outfile
+
+	export RUMP_SERVER=$SOCK_LOCAL
+	atf_check -s exit:0 -o ignore rump.ping6 -c 1 -n -X 3 $ip_remote
+
+	extract_new_packets $BUS_TUNNEL > $outfile
+	atf_check -s exit:0 \
+	    -o match:"$ip_local > $ip_remote: ICMP6, echo request" \
+	    cat $outfile
+	atf_check -s exit:0 \
+	    -o match:"$ip_remote > $ip_local: ICMP6, echo reply" \
+	    cat $outfile
+
+	export RUMP_SERVER=$SOCK_TUNNEL_LOCAL
+	# from https://www.netbsd.org/docs/network/ipsec/
+	cat > $tmpfile <<-EOF
+	add $ip4_gw_local_tunnel $ip4_gw_remote_tunnel $proto 10000 $opt $algo $key;
+	add $ip4_gw_remote_tunnel $ip4_gw_local_tunnel $proto 10001 $opt $algo $key;
+	spdadd $subnet_local/64 $subnet_remote/64 any -P out ipsec
+	    $proto/tunnel/$ip4_gw_local_tunnel-$ip4_gw_remote_tunnel/require;
+	spdadd $subnet_remote/64 $subnet_local/64 any -P in ipsec
+	    $proto/tunnel/$ip4_gw_remote_tunnel-$ip4_gw_local_tunnel/require;
+	EOF
+	$DEBUG && cat $tmpfile
+	atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
+	check_sa_entries $SOCK_TUNNEL_LOCAL $ip4_gw_local_tunnel \
+	    $ip4_gw_remote_tunnel
+
+	export RUMP_SERVER=$SOCK_TUNNEL_REMOTE
+	cat > $tmpfile <<-EOF
+	add $ip4_gw_local_tunnel $ip4_gw_remote_tunnel $proto 10000 $opt $algo $key;
+	add $ip4_gw_remote_tunnel $ip4_gw_local_tunnel $proto 10001 $opt $algo $key;
+	spdadd $subnet_remote/64 $subnet_local/64 any -P out ipsec
+	    $proto/tunnel/$ip4_gw_remote_tunnel-$ip4_gw_local_tunnel/require;
+	spdadd $subnet_local/64 $subnet_remote/64 any -P in ipsec
+	    $proto/tunnel/$ip4_gw_local_tunnel-$ip4_gw_remote_tunnel/require;
+	EOF
+	$DEBUG && cat $tmpfile
+	atf_check -s exit:0 -o empty $HIJACKING setkey -c < $tmpfile
+	check_sa_entries $SOCK_TUNNEL_REMOTE $ip4_gw_local_tunnel \
+	    $ip4_gw_remote_tunnel
+
+	export RUMP_SERVER=$SOCK_LOCAL
+	atf_check -s exit:0 -o ignore rump.ping6 -c 1 -n -X 3 $ip_remote
+
+	extract_new_packets $BUS_TUNNEL > $outfile
+	check_tunnel_packets $outfile $ip4_gw_local_tunnel $ip4_gw_remote_tunnel \
+	    $proto_cap
+
+	test_flush_entries $SOCK_TUNNEL_LOCAL
+	test_flush_entries $SOCK_TUNNEL_REMOTE
+}
+
+test_tunnel_common()
+{
+	local ipproto=$1
+	local proto=$2
+	local algo=$3
+
+	if [ $ipproto = v4v6 ]; then
+		test_ipsec46_tunnel $proto $algo
+	else
+		test_ipsec64_tunnel $proto $algo
+	fi
+}
+
+add_test_tunnel_mode()
+{
+	local ipproto=$1
+	local proto=$2
+	local algo=$3
+	local _algo=$(echo $algo | sed 's/-//g')
+	local name= desc=
+
+	name="ipsec_tunnel_${ipproto}_${proto}_${_algo}"
+	if [ $ipproto = v4v6 ]; then
+		desc="Tests of IPsec tunnel mode (IPv4 over IPv6) with $proto ($algo)"
+	else
+		desc="Tests of IPsec tunnel mode (IPv6 over IPv4) with $proto ($algo)"
+	fi
+
+	atf_test_case ${name} cleanup
+	eval "								\
+	    ${name}_head() {						\
+	        atf_set \"descr\" \"$desc\";				\
+	        atf_set \"require.progs\" \"rump_server\" \"setkey\";	\
+	    };								\
+	    ${name}_body() {						\
+	        test_tunnel_common $ipproto $proto $algo;		\
+	        rump_server_destroy_ifaces;				\
+	    };								\
+	    ${name}_cleanup() {						\
+	        $DEBUG && dump;						\
+	        cleanup;						\
+	    }								\
+	"
+	atf_add_test_case ${name}
+}
+
+atf_init_test_cases()
+{
+	local algo=
+
+	for algo in $ESP_ENCRYPTION_ALGORITHMS; do
+		add_test_tunnel_mode v4v6 esp $algo
+		add_test_tunnel_mode v6v4 esp $algo
+	done
+
+	for algo in $AH_AUTHENTICATION_ALGORITHMS; do
+		add_test_tunnel_mode v4v6 ah $algo
+		add_test_tunnel_mode v6v4 ah $algo
+	done
+}

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