From: Andreas Steffen Date: Thu, 4 Feb 2010 09:05:44 +0000 (+0100) Subject: use static IPsec policy netfilter rules in MOBIKE scenarios X-Git-Tag: 4.3.6~13 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=52719d719cc04eda1f5496bbace936cfdcb93b38;p=thirdparty%2Fstrongswan.git use static IPsec policy netfilter rules in MOBIKE scenarios --- diff --git a/testing/tests/ikev2/mobike-nat/description.txt b/testing/tests/ikev2/mobike-nat/description.txt index ba8fc5bf09..428ac08830 100644 --- a/testing/tests/ikev2/mobike-nat/description.txt +++ b/testing/tests/ikev2/mobike-nat/description.txt @@ -1,5 +1,5 @@ The roadwarrior alice is sitting behind the NAT router moon 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 eth1 interface. alice builds up a tunnel to gateway sun in order to reach bob in the subnet behind. When the eth1 interface goes away, alice switches to eth0 and signals the IP address change diff --git a/testing/tests/ikev2/mobike-nat/hosts/alice/etc/init.d/iptables b/testing/tests/ikev2/mobike-nat/hosts/alice/etc/init.d/iptables index db18182a3f..cf0d65c582 100755 --- a/testing/tests/ikev2/mobike-nat/hosts/alice/etc/init.d/iptables +++ b/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 diff --git a/testing/tests/ikev2/mobike-nat/hosts/alice/etc/ipsec.conf b/testing/tests/ikev2/mobike-nat/hosts/alice/etc/ipsec.conf index 5c93d1462a..ed670efb1e 100755 --- a/testing/tests/ikev2/mobike-nat/hosts/alice/etc/ipsec.conf +++ b/testing/tests/ikev2/mobike-nat/hosts/alice/etc/ipsec.conf @@ -17,7 +17,6 @@ conn mobike leftsourceip=%config leftcert=aliceCert.pem leftid=alice@strongswan.org - leftfirewall=yes right=PH_IP_SUN rightid=@sun.strongswan.org rightsubnet=10.2.0.0/16 diff --git a/testing/tests/ikev2/mobike-nat/hosts/alice/etc/strongswan.conf b/testing/tests/ikev2/mobike-nat/hosts/alice/etc/strongswan.conf index 06b1e9f489..572cf39cbc 100644 --- a/testing/tests/ikev2/mobike-nat/hosts/alice/etc/strongswan.conf +++ b/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 } diff --git a/testing/tests/ikev2/mobike-nat/hosts/sun/etc/init.d/iptables b/testing/tests/ikev2/mobike-nat/hosts/sun/etc/init.d/iptables new file mode 100755 index 0000000000..642c414d5f --- /dev/null +++ b/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 +} + diff --git a/testing/tests/ikev2/mobike-nat/hosts/sun/etc/ipsec.conf b/testing/tests/ikev2/mobike-nat/hosts/sun/etc/ipsec.conf index d6121511ed..ca4d84e16e 100755 --- a/testing/tests/ikev2/mobike-nat/hosts/sun/etc/ipsec.conf +++ b/testing/tests/ikev2/mobike-nat/hosts/sun/etc/ipsec.conf @@ -16,7 +16,6 @@ conn mobike left=PH_IP_SUN leftcert=sunCert.pem leftid=@sun.strongswan.org - leftfirewall=yes leftsubnet=10.2.0.0/16 right=%any rightsourceip=10.3.0.3 diff --git a/testing/tests/ikev2/mobike-nat/hosts/sun/etc/strongswan.conf b/testing/tests/ikev2/mobike-nat/hosts/sun/etc/strongswan.conf index 06b1e9f489..572cf39cbc 100644 --- a/testing/tests/ikev2/mobike-nat/hosts/sun/etc/strongswan.conf +++ b/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 } diff --git a/testing/tests/ikev2/mobike-virtual-ip/hosts/alice/etc/init.d/iptables b/testing/tests/ikev2/mobike-virtual-ip/hosts/alice/etc/init.d/iptables index db18182a3f..cf0d65c582 100755 --- a/testing/tests/ikev2/mobike-virtual-ip/hosts/alice/etc/init.d/iptables +++ b/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 diff --git a/testing/tests/ikev2/mobike-virtual-ip/hosts/alice/etc/ipsec.conf b/testing/tests/ikev2/mobike-virtual-ip/hosts/alice/etc/ipsec.conf index 5c93d1462a..ed670efb1e 100755 --- a/testing/tests/ikev2/mobike-virtual-ip/hosts/alice/etc/ipsec.conf +++ b/testing/tests/ikev2/mobike-virtual-ip/hosts/alice/etc/ipsec.conf @@ -17,7 +17,6 @@ conn mobike leftsourceip=%config leftcert=aliceCert.pem leftid=alice@strongswan.org - leftfirewall=yes right=PH_IP_SUN rightid=@sun.strongswan.org rightsubnet=10.2.0.0/16 diff --git a/testing/tests/ikev2/mobike-virtual-ip/hosts/alice/etc/strongswan.conf b/testing/tests/ikev2/mobike-virtual-ip/hosts/alice/etc/strongswan.conf index 06b1e9f489..572cf39cbc 100644 --- a/testing/tests/ikev2/mobike-virtual-ip/hosts/alice/etc/strongswan.conf +++ b/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 } diff --git a/testing/tests/ikev2/mobike-virtual-ip/hosts/sun/etc/init.d/iptables b/testing/tests/ikev2/mobike-virtual-ip/hosts/sun/etc/init.d/iptables new file mode 100755 index 0000000000..642c414d5f --- /dev/null +++ b/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 +} + diff --git a/testing/tests/ikev2/mobike-virtual-ip/hosts/sun/etc/ipsec.conf b/testing/tests/ikev2/mobike-virtual-ip/hosts/sun/etc/ipsec.conf index 18a67cde09..1c8be1db42 100755 --- a/testing/tests/ikev2/mobike-virtual-ip/hosts/sun/etc/ipsec.conf +++ b/testing/tests/ikev2/mobike-virtual-ip/hosts/sun/etc/ipsec.conf @@ -16,7 +16,6 @@ conn mobike left=PH_IP_SUN leftcert=sunCert.pem leftid=@sun.strongswan.org - leftfirewall=yes leftsubnet=10.2.0.0/16 right=PH_IP_ALICE1 rightsourceip=10.3.0.3 diff --git a/testing/tests/ikev2/mobike-virtual-ip/hosts/sun/etc/strongswan.conf b/testing/tests/ikev2/mobike-virtual-ip/hosts/sun/etc/strongswan.conf index 06b1e9f489..572cf39cbc 100644 --- a/testing/tests/ikev2/mobike-virtual-ip/hosts/sun/etc/strongswan.conf +++ b/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 } diff --git a/testing/tests/ikev2/mobike/hosts/alice/etc/strongswan.conf b/testing/tests/ikev2/mobike/hosts/alice/etc/strongswan.conf index 06b1e9f489..572cf39cbc 100644 --- a/testing/tests/ikev2/mobike/hosts/alice/etc/strongswan.conf +++ b/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 } diff --git a/testing/tests/ikev2/mobike/hosts/sun/etc/init.d/iptables b/testing/tests/ikev2/mobike/hosts/sun/etc/init.d/iptables new file mode 100755 index 0000000000..6934b1948f --- /dev/null +++ b/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 +} + diff --git a/testing/tests/ikev2/mobike/hosts/sun/etc/ipsec.conf b/testing/tests/ikev2/mobike/hosts/sun/etc/ipsec.conf index 1367e784f3..4806cd9c87 100755 --- a/testing/tests/ikev2/mobike/hosts/sun/etc/ipsec.conf +++ b/testing/tests/ikev2/mobike/hosts/sun/etc/ipsec.conf @@ -16,7 +16,6 @@ conn mobike left=PH_IP_SUN leftcert=sunCert.pem leftid=@sun.strongswan.org - leftfirewall=yes leftsubnet=10.2.0.0/16 right=PH_IP_ALICE1 rightid=alice@strongswan.org diff --git a/testing/tests/ikev2/mobike/hosts/sun/etc/strongswan.conf b/testing/tests/ikev2/mobike/hosts/sun/etc/strongswan.conf index 06b1e9f489..572cf39cbc 100644 --- a/testing/tests/ikev2/mobike/hosts/sun/etc/strongswan.conf +++ b/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 }