enabled ip6tables-based firewalling in first two IPv6 scenarios

testing/tests/ipv6/host2host-ikev1/description.txt

@@ -1,3 +1,5 @@
 An IPv6 ESP connection between the hosts <b>moon</b> and <b>sun</b> is successfully set up.
-The authentication is based on X.509 certificates. In order to test the host-to-host tunnel
+The authentication is based on X.509 certificates. Upon the successful establishment of
-<b>moon</b> sends an IPv6 ICMP request to <b>sun</b> using the ping6 command.
+the IPsec tunnel, <b>leftfirewall=yes</b> automatically inserts ip6tables-based firewall
+rules that let pass the tunneled traffic. In order to test both the host-to-host tunnel
+and the firewall rules, <b>moon</b> sends an IPv6 ICMP request to <b>sun</b> using the ping6 command.

testing/tests/ipv6/host2host-ikev1/hosts/moon/etc/init.d/iptables

@@ -0,0 +1,100 @@
+#!/sbin/runscript
+# Copyright 1999-2004 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+opts="start stop reload"
+
+depend() {
+	before net
+	need logger
+}
+
+start() {
+	ebegin "Starting firewall"
+
+	# enable IP forwarding
+	echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
+	echo 1 > /proc/sys/net/ipv4/ip_forward
+	
+	# default policy is DROP
+	/sbin/iptables -P INPUT DROP
+	/sbin/iptables -P OUTPUT DROP
+	/sbin/iptables -P FORWARD DROP
+
+	/sbin/ip6tables -P INPUT DROP
+	/sbin/ip6tables -P OUTPUT DROP
+	/sbin/ip6tables -P FORWARD DROP
+
+	# allow esp
+	ip6tables -A INPUT  -i eth0 -p 50 -j ACCEPT
+	ip6tables -A OUTPUT -o eth0 -p 50 -j ACCEPT
+
+	# allow IKE
+	ip6tables -A INPUT  -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
+	ip6tables -A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -j ACCEPT
+
+	# allow MobIKE
+	ip6tables -A INPUT  -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
+	ip6tables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
+
+	# allow ICMPv6 neighbor-solicitations
+	ip6tables -A INPUT  -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
+	ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
+	
+	# allow ICMPv6 neighbor-advertisements
+	ip6tables -A INPUT  -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
+	ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
+
+	# allow crl fetch from winnetou
+	iptables -A INPUT  -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
+	iptables -A OUTPUT -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
+
+	# allow ssh
+	iptables -A INPUT  -p tcp --dport 22 -j ACCEPT
+	iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
+
+	eend $?
+}
+
+stop() {
+	ebegin "Stopping firewall"
+		for a in `cat /proc/net/ip_tables_names`; do
+			/sbin/ip6tables -F -t $a
+			/sbin/ip6tables -X -t $a
+
+			/sbin/ipables -F -t $a
+			/sbin/iptables -X -t $a
+	
+			if [ $a == nat ]; then
+				/sbin/iptables -t nat -P PREROUTING ACCEPT
+				/sbin/iptables -t nat -P POSTROUTING ACCEPT
+				/sbin/iptables -t nat -P OUTPUT ACCEPT
+			elif [ $a == mangle ]; then
+				/sbin/iptables -t mangle -P PREROUTING ACCEPT
+				/sbin/iptables -t mangle -P INPUT ACCEPT
+				/sbin/iptables -t mangle -P FORWARD ACCEPT
+				/sbin/iptables -t mangle -P OUTPUT ACCEPT
+				/sbin/iptables -t mangle -P POSTROUTING ACCEPT
+			elif [ $a == filter ]; then
+				/sbin/ip6tables -t filter -P INPUT ACCEPT
+				/sbin/ip6tables -t filter -P FORWARD ACCEPT
+				/sbin/ip6tables -t filter -P OUTPUT ACCEPT
+
+				/sbin/iptables -t filter -P INPUT ACCEPT
+				/sbin/iptables -t filter -P FORWARD ACCEPT
+				/sbin/iptables -t filter -P OUTPUT ACCEPT
+			fi
+		done
+	eend $?
+}
+
+reload() {
+	ebegin "Flushing firewall"
+		for a in `cat /proc/net/ip_tables_names`; do
+			/sbin/ip6tables -F -t $a
+			/sbin/ip6tables -X -t $a
+		done;
+        eend $?
+	start
+}
+

testing/tests/ipv6/host2host-ikev1/hosts/moon/etc/ipsec.conf

@@ -27,4 +27,3 @@ conn host-host
 	rightnexthop=0::0
 	rightid=@sun.strongswan.org
 	auto=add
-

testing/tests/ipv6/host2host-ikev1/hosts/sun/etc/init.d/iptables

@@ -0,0 +1,100 @@
+#!/sbin/runscript
+# Copyright 1999-2004 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+opts="start stop reload"
+
+depend() {
+	before net
+	need logger
+}
+
+start() {
+	ebegin "Starting firewall"
+
+	# enable IP forwarding
+	echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
+	echo 1 > /proc/sys/net/ipv4/ip_forward
+	
+	# default policy is DROP
+	/sbin/iptables -P INPUT DROP
+	/sbin/iptables -P OUTPUT DROP
+	/sbin/iptables -P FORWARD DROP
+
+	/sbin/ip6tables -P INPUT DROP
+	/sbin/ip6tables -P OUTPUT DROP
+	/sbin/ip6tables -P FORWARD DROP
+
+	# allow esp
+	ip6tables -A INPUT  -i eth0 -p 50 -j ACCEPT
+	ip6tables -A OUTPUT -o eth0 -p 50 -j ACCEPT
+
+	# allow IKE
+	ip6tables -A INPUT  -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
+	ip6tables -A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -j ACCEPT
+
+	# allow MobIKE
+	ip6tables -A INPUT  -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
+	ip6tables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
+
+	# allow ICMPv6 neighbor-solicitations
+	ip6tables -A INPUT  -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
+	ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
+	
+	# allow ICMPv6 neighbor-advertisements
+	ip6tables -A INPUT  -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
+	ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
+
+	# allow crl fetch from winnetou
+	iptables -A INPUT  -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
+	iptables -A OUTPUT -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
+
+	# allow ssh
+	iptables -A INPUT  -p tcp --dport 22 -j ACCEPT
+	iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
+
+	eend $?
+}
+
+stop() {
+	ebegin "Stopping firewall"
+		for a in `cat /proc/net/ip_tables_names`; do
+			/sbin/ip6tables -F -t $a
+			/sbin/ip6tables -X -t $a
+
+			/sbin/ipables -F -t $a
+			/sbin/iptables -X -t $a
+	
+			if [ $a == nat ]; then
+				/sbin/iptables -t nat -P PREROUTING ACCEPT
+				/sbin/iptables -t nat -P POSTROUTING ACCEPT
+				/sbin/iptables -t nat -P OUTPUT ACCEPT
+			elif [ $a == mangle ]; then
+				/sbin/iptables -t mangle -P PREROUTING ACCEPT
+				/sbin/iptables -t mangle -P INPUT ACCEPT
+				/sbin/iptables -t mangle -P FORWARD ACCEPT
+				/sbin/iptables -t mangle -P OUTPUT ACCEPT
+				/sbin/iptables -t mangle -P POSTROUTING ACCEPT
+			elif [ $a == filter ]; then
+				/sbin/ip6tables -t filter -P INPUT ACCEPT
+				/sbin/ip6tables -t filter -P FORWARD ACCEPT
+				/sbin/ip6tables -t filter -P OUTPUT ACCEPT
+
+				/sbin/iptables -t filter -P INPUT ACCEPT
+				/sbin/iptables -t filter -P FORWARD ACCEPT
+				/sbin/iptables -t filter -P OUTPUT ACCEPT
+			fi
+		done
+	eend $?
+}
+
+reload() {
+	ebegin "Flushing firewall"
+		for a in `cat /proc/net/ip_tables_names`; do
+			/sbin/ip6tables -F -t $a
+			/sbin/ip6tables -X -t $a
+		done;
+        eend $?
+	start
+}
+

testing/tests/ipv6/host2host-ikev1/posttest.dat

@@ -1,2 +1,4 @@
 moon::ipsec stop
 sun::ipsec stop
+moon::/etc/init.d/iptables stop 2> /dev/null
+sun::/etc/init.d/iptables stop 2> /dev/null

testing/tests/ipv6/host2host-ikev1/pretest.dat

@@ -1,3 +1,5 @@
+moon::/etc/init.d/iptables start 2> /dev/null
+sun::/etc/init.d/iptables start 2> /dev/null
 moon::ipsec start
 sun::ipsec start
 moon::sleep 2 

testing/tests/ipv6/net2net-ikev1/description.txt

@@ -1,4 +1,6 @@
 An IPv6 ESP tunnel connection between the gateways <b>moon</b> and <b>sun</b> is successfully set up.
 It connects the two subnets hiding behind their respective gateways. The authentication is based on
-X.509 certificates. In order to test the net-to-net tunnel client <b>alice</b> behind <b>moon</b>
+X.509 certificates. Upon the successful establishment of the IPsec tunnel, <b>leftfirewall=yes</b>
+automatically inserts ip6tables-based firewall rules that let pass the tunneled traffic.
+In order to test both the net-to-net tunnel and the firewall rules, client <b>alice</b> behind <b>moon</b>
 sends an IPv6 ICMP request to client <b>bob</b> behind <b>sun</b> using the ping6 command.

testing/tests/ipv6/net2net-ikev1/hosts/moon/etc/init.d/iptables

@@ -0,0 +1,100 @@
+#!/sbin/runscript
+# Copyright 1999-2004 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+opts="start stop reload"
+
+depend() {
+	before net
+	need logger
+}
+
+start() {
+	ebegin "Starting firewall"
+
+	# enable IP forwarding
+	echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
+	echo 1 > /proc/sys/net/ipv4/ip_forward
+	
+	# default policy is DROP
+	/sbin/iptables -P INPUT DROP
+	/sbin/iptables -P OUTPUT DROP
+	/sbin/iptables -P FORWARD DROP
+
+	/sbin/ip6tables -P INPUT DROP
+	/sbin/ip6tables -P OUTPUT DROP
+	/sbin/ip6tables -P FORWARD DROP
+
+	# allow esp
+	ip6tables -A INPUT  -i eth0 -p 50 -j ACCEPT
+	ip6tables -A OUTPUT -o eth0 -p 50 -j ACCEPT
+
+	# allow IKE
+	ip6tables -A INPUT  -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
+	ip6tables -A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -j ACCEPT
+
+	# allow MobIKE
+	ip6tables -A INPUT  -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
+	ip6tables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
+
+	# allow ICMPv6 neighbor-solicitations
+	ip6tables -A INPUT  -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
+	ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
+	
+	# allow ICMPv6 neighbor-advertisements
+	ip6tables -A INPUT  -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
+	ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
+
+	# allow crl fetch from winnetou
+	iptables -A INPUT  -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
+	iptables -A OUTPUT -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
+
+	# allow ssh
+	iptables -A INPUT  -p tcp --dport 22 -j ACCEPT
+	iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
+
+	eend $?
+}
+
+stop() {
+	ebegin "Stopping firewall"
+		for a in `cat /proc/net/ip_tables_names`; do
+			/sbin/ip6tables -F -t $a
+			/sbin/ip6tables -X -t $a
+
+			/sbin/ipables -F -t $a
+			/sbin/iptables -X -t $a
+	
+			if [ $a == nat ]; then
+				/sbin/iptables -t nat -P PREROUTING ACCEPT
+				/sbin/iptables -t nat -P POSTROUTING ACCEPT
+				/sbin/iptables -t nat -P OUTPUT ACCEPT
+			elif [ $a == mangle ]; then
+				/sbin/iptables -t mangle -P PREROUTING ACCEPT
+				/sbin/iptables -t mangle -P INPUT ACCEPT
+				/sbin/iptables -t mangle -P FORWARD ACCEPT
+				/sbin/iptables -t mangle -P OUTPUT ACCEPT
+				/sbin/iptables -t mangle -P POSTROUTING ACCEPT
+			elif [ $a == filter ]; then
+				/sbin/ip6tables -t filter -P INPUT ACCEPT
+				/sbin/ip6tables -t filter -P FORWARD ACCEPT
+				/sbin/ip6tables -t filter -P OUTPUT ACCEPT
+
+				/sbin/iptables -t filter -P INPUT ACCEPT
+				/sbin/iptables -t filter -P FORWARD ACCEPT
+				/sbin/iptables -t filter -P OUTPUT ACCEPT
+			fi
+		done
+	eend $?
+}
+
+reload() {
+	ebegin "Flushing firewall"
+		for a in `cat /proc/net/ip_tables_names`; do
+			/sbin/ip6tables -F -t $a
+			/sbin/ip6tables -X -t $a
+		done;
+        eend $?
+	start
+}
+

testing/tests/ipv6/net2net-ikev1/hosts/sun/etc/init.d/iptables

@@ -0,0 +1,100 @@
+#!/sbin/runscript
+# Copyright 1999-2004 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+opts="start stop reload"
+
+depend() {
+	before net
+	need logger
+}
+
+start() {
+	ebegin "Starting firewall"
+
+	# enable IP forwarding
+	echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
+	echo 1 > /proc/sys/net/ipv4/ip_forward
+	
+	# default policy is DROP
+	/sbin/iptables -P INPUT DROP
+	/sbin/iptables -P OUTPUT DROP
+	/sbin/iptables -P FORWARD DROP
+
+	/sbin/ip6tables -P INPUT DROP
+	/sbin/ip6tables -P OUTPUT DROP
+	/sbin/ip6tables -P FORWARD DROP
+
+	# allow esp
+	ip6tables -A INPUT  -i eth0 -p 50 -j ACCEPT
+	ip6tables -A OUTPUT -o eth0 -p 50 -j ACCEPT
+
+	# allow IKE
+	ip6tables -A INPUT  -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
+	ip6tables -A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -j ACCEPT
+
+	# allow MobIKE
+	ip6tables -A INPUT  -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
+	ip6tables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
+
+	# allow ICMPv6 neighbor-solicitations
+	ip6tables -A INPUT  -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
+	ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
+	
+	# allow ICMPv6 neighbor-advertisements
+	ip6tables -A INPUT  -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
+	ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
+
+	# allow crl fetch from winnetou
+	iptables -A INPUT  -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
+	iptables -A OUTPUT -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
+
+	# allow ssh
+	iptables -A INPUT  -p tcp --dport 22 -j ACCEPT
+	iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
+
+	eend $?
+}
+
+stop() {
+	ebegin "Stopping firewall"
+		for a in `cat /proc/net/ip_tables_names`; do
+			/sbin/ip6tables -F -t $a
+			/sbin/ip6tables -X -t $a
+
+			/sbin/ipables -F -t $a
+			/sbin/iptables -X -t $a
+	
+			if [ $a == nat ]; then
+				/sbin/iptables -t nat -P PREROUTING ACCEPT
+				/sbin/iptables -t nat -P POSTROUTING ACCEPT
+				/sbin/iptables -t nat -P OUTPUT ACCEPT
+			elif [ $a == mangle ]; then
+				/sbin/iptables -t mangle -P PREROUTING ACCEPT
+				/sbin/iptables -t mangle -P INPUT ACCEPT
+				/sbin/iptables -t mangle -P FORWARD ACCEPT
+				/sbin/iptables -t mangle -P OUTPUT ACCEPT
+				/sbin/iptables -t mangle -P POSTROUTING ACCEPT
+			elif [ $a == filter ]; then
+				/sbin/ip6tables -t filter -P INPUT ACCEPT
+				/sbin/ip6tables -t filter -P FORWARD ACCEPT
+				/sbin/ip6tables -t filter -P OUTPUT ACCEPT
+
+				/sbin/iptables -t filter -P INPUT ACCEPT
+				/sbin/iptables -t filter -P FORWARD ACCEPT
+				/sbin/iptables -t filter -P OUTPUT ACCEPT
+			fi
+		done
+	eend $?
+}
+
+reload() {
+	ebegin "Flushing firewall"
+		for a in `cat /proc/net/ip_tables_names`; do
+			/sbin/ip6tables -F -t $a
+			/sbin/ip6tables -X -t $a
+		done;
+        eend $?
+	start
+}
+

testing/tests/ipv6/net2net-ikev1/posttest.dat

@@ -4,3 +4,5 @@ alice::"ip route del fec2:\:/16 via fec1:\:1"
 moon::"ip route del fec2:\:/16 via fec0:\:2"
 sun::"ip route del fec1:\:/16 via fec0:\:1"
 bob::"ip route del fec1:\:/16 via fec2:\:1"
+moon::/etc/init.d/iptables stop 2> /dev/null
+sun::/etc/init.d/iptables stop 2> /dev/null

testing/tests/ipv6/net2net-ikev1/pretest.dat

@@ -1,5 +1,5 @@
-moon::echo "1" >/proc/sys/net/ipv6/conf/all/forwarding
+moon::/etc/init.d/iptables start 2> /dev/null
-sun::echo "1" >/proc/sys/net/ipv6/conf/all/forwarding
+sun::/etc/init.d/iptables start 2> /dev/null
 alice::"ip route add fec2:\:/16 via fec1:\:1"
 moon::"ip route add fec2:\:/16 via fec0:\:2"
 sun::"ip route add fec1:\:/16 via fec0:\:1"