use static IPsec policy netfilter rules in MOBIKE scenarios

testing/tests/ikev2/mobike-nat/description.txt

@@ -1,5 +1,5 @@
 The roadwarrior <b>alice</b> is sitting behind the NAT router <b>moon</b> but
-at the outset of the scenariou is also directly connected to the 192.168.0.0/24 network
+at the outset of the scenario is also directly connected to the 192.168.0.0/24 network
 via an additional <b>eth1</b> interface. <b>alice</b> builds up a tunnel to gateway <b>sun</b>
 in order to reach <b>bob</b> in the subnet behind. When the <b>eth1</b> interface
 goes away, <b>alice</b> switches to <b>eth0</b> and signals the IP address change 

testing/tests/ikev2/mobike-nat/hosts/alice/etc/init.d/iptables

@@ -17,6 +17,10 @@ start() {
 	/sbin/iptables -P OUTPUT DROP
 	/sbin/iptables -P FORWARD DROP
 
+        # allow IPsec tunnel traffic
+        iptables -A INPUT  -m policy --dir in  --pol ipsec --proto esp -j ACCEPT
+        iptables -A OUTPUT -m policy --dir out --pol ipsec --proto esp -j ACCEPT
+
 	# allow esp
 	iptables -A INPUT  -i eth0 -p 50 -j ACCEPT
 	iptables -A INPUT  -i eth1 -p 50 -j ACCEPT

testing/tests/ikev2/mobike-nat/hosts/alice/etc/ipsec.conf

@@ -17,7 +17,6 @@ conn mobike
 	leftsourceip=%config
 	leftcert=aliceCert.pem
 	[email protected]
-	leftfirewall=yes
 	right=PH_IP_SUN
 	[email protected]
 	rightsubnet=10.2.0.0/16

testing/tests/ikev2/mobike-nat/hosts/alice/etc/strongswan.conf

@@ -1,5 +1,5 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon {
-  load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink updown
+  load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink
 }

testing/tests/ikev2/mobike-nat/hosts/sun/etc/init.d/iptables

@@ -0,0 +1,84 @@
+#!/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/ipv4/ip_forward
+	
+	# default policy is DROP
+	/sbin/iptables -P INPUT DROP
+	/sbin/iptables -P OUTPUT DROP
+	/sbin/iptables -P FORWARD DROP
+
+	# allow IPsec tunnel traffic
+	iptables -A FORWARD -m policy --dir in  --pol ipsec --proto esp -j ACCEPT
+	iptables -A FORWARD -m policy --dir out --pol ipsec --proto esp -j ACCEPT
+
+	# allow esp
+	iptables -A INPUT  -i eth0 -p 50 -j ACCEPT
+	iptables -A OUTPUT -o eth0 -p 50 -j ACCEPT
+
+	# allow IKE
+	iptables -A INPUT  -i eth0 -p udp --dport 500 -j ACCEPT
+	iptables -A OUTPUT -o eth0 -p udp --sport 500 -j ACCEPT
+
+        # allow NAT-T 
+	iptables -A INPUT  -i eth0 -p udp --dport 4500 -j ACCEPT
+	iptables -A OUTPUT -o eth0 -p udp --sport 4500 -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/iptables -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/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/iptables -F -t $a
+			/sbin/iptables -X -t $a
+		done;
+        eend $?
+	start
+}
+

testing/tests/ikev2/mobike-nat/hosts/sun/etc/ipsec.conf

@@ -16,7 +16,6 @@ conn mobike
 	left=PH_IP_SUN
 	leftcert=sunCert.pem
 	[email protected]
-	leftfirewall=yes
 	leftsubnet=10.2.0.0/16
 	right=%any
 	rightsourceip=10.3.0.3

testing/tests/ikev2/mobike-nat/hosts/sun/etc/strongswan.conf

@@ -1,5 +1,5 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon {
-  load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink updown
+  load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink
 }

testing/tests/ikev2/mobike-virtual-ip/hosts/alice/etc/init.d/iptables

@@ -17,6 +17,10 @@ start() {
 	/sbin/iptables -P OUTPUT DROP
 	/sbin/iptables -P FORWARD DROP
 
+        # allow IPsec tunnel traffic
+        iptables -A INPUT  -m policy --dir in  --pol ipsec --proto esp -j ACCEPT
+        iptables -A OUTPUT -m policy --dir out --pol ipsec --proto esp -j ACCEPT
+
 	# allow esp
 	iptables -A INPUT  -i eth0 -p 50 -j ACCEPT
 	iptables -A INPUT  -i eth1 -p 50 -j ACCEPT

testing/tests/ikev2/mobike-virtual-ip/hosts/alice/etc/ipsec.conf

@@ -17,7 +17,6 @@ conn mobike
 	leftsourceip=%config
 	leftcert=aliceCert.pem
 	[email protected]
-	leftfirewall=yes
 	right=PH_IP_SUN
 	[email protected]
 	rightsubnet=10.2.0.0/16

testing/tests/ikev2/mobike-virtual-ip/hosts/alice/etc/strongswan.conf

@@ -1,5 +1,5 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon {
-  load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink updown
+  load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink
 }

testing/tests/ikev2/mobike-virtual-ip/hosts/sun/etc/init.d/iptables

@@ -0,0 +1,84 @@
+#!/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/ipv4/ip_forward
+	
+	# default policy is DROP
+	/sbin/iptables -P INPUT DROP
+	/sbin/iptables -P OUTPUT DROP
+	/sbin/iptables -P FORWARD DROP
+
+	# allow IPsec tunnel traffic
+	iptables -A FORWARD -m policy --dir in  --pol ipsec --proto esp -j ACCEPT
+	iptables -A FORWARD -m policy --dir out --pol ipsec --proto esp -j ACCEPT
+
+	# allow esp
+	iptables -A INPUT  -i eth0 -p 50 -j ACCEPT
+	iptables -A OUTPUT -o eth0 -p 50 -j ACCEPT
+
+	# allow IKE
+	iptables -A INPUT  -i eth0 -p udp --dport 500 -j ACCEPT
+	iptables -A OUTPUT -o eth0 -p udp --sport 500 -j ACCEPT
+
+        # allow NAT-T 
+	iptables -A INPUT  -i eth0 -p udp --dport 4500 -j ACCEPT
+	iptables -A OUTPUT -o eth0 -p udp --sport 4500 -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/iptables -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/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/iptables -F -t $a
+			/sbin/iptables -X -t $a
+		done;
+        eend $?
+	start
+}
+

testing/tests/ikev2/mobike-virtual-ip/hosts/sun/etc/ipsec.conf

@@ -16,7 +16,6 @@ conn mobike
 	left=PH_IP_SUN
 	leftcert=sunCert.pem
 	[email protected]
-	leftfirewall=yes
 	leftsubnet=10.2.0.0/16
 	right=PH_IP_ALICE1
 	rightsourceip=10.3.0.3

testing/tests/ikev2/mobike-virtual-ip/hosts/sun/etc/strongswan.conf

@@ -1,5 +1,5 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon {
-  load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink updown
+  load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink
 }

testing/tests/ikev2/mobike/hosts/alice/etc/strongswan.conf

@@ -1,5 +1,5 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon {
-  load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink updown
+  load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink
 }

testing/tests/ikev2/mobike/hosts/sun/etc/init.d/iptables

@@ -0,0 +1,90 @@
+#!/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/ipv4/ip_forward
+
+	# default policy is DROP
+	/sbin/iptables -P INPUT DROP
+	/sbin/iptables -P OUTPUT DROP
+	/sbin/iptables -P FORWARD DROP
+
+        # allow IPsec tunnel traffic
+        iptables -A FORWARD -m policy --dir in  --pol ipsec --proto esp -j ACCEPT
+        iptables -A FORWARD -m policy --dir out --pol ipsec --proto esp -j ACCEPT
+
+	# allow esp
+	iptables -A INPUT  -i eth0 -p 50 -j ACCEPT
+	iptables -A INPUT  -i eth1 -p 50 -j ACCEPT
+	iptables -A OUTPUT -o eth0 -p 50 -j ACCEPT
+	iptables -A OUTPUT -o eth1 -p 50 -j ACCEPT
+
+	# allow IKE
+	iptables -A INPUT  -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
+	iptables -A INPUT  -i eth1 -p udp --sport 500 --dport 500 -j ACCEPT
+	iptables -A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -j ACCEPT
+	iptables -A OUTPUT -o eth1 -p udp --dport 500 --sport 500 -j ACCEPT
+
+	# allow MobIKE
+	iptables -A INPUT  -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
+	iptables -A INPUT  -i eth1 -p udp --sport 4500 --dport 4500 -j ACCEPT
+	iptables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
+	iptables -A OUTPUT -o eth1 -p udp --dport 4500 --sport 4500 -j ACCEPT
+
+	# allow crl fetch from winnetou
+	iptables -A INPUT  -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
+	iptables -A OUTPUT -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/iptables -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/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/iptables -F -t $a
+			/sbin/iptables -X -t $a
+		done;
+        eend $?
+	start
+}
+

testing/tests/ikev2/mobike/hosts/sun/etc/ipsec.conf

@@ -16,7 +16,6 @@ conn mobike
 	left=PH_IP_SUN
 	leftcert=sunCert.pem
 	[email protected]
-	leftfirewall=yes
 	leftsubnet=10.2.0.0/16
 	right=PH_IP_ALICE1
 	[email protected]

testing/tests/ikev2/mobike/hosts/sun/etc/strongswan.conf

@@ -1,5 +1,5 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon {
-  load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink updown
+  load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink
 }