added ikev2/rw-eap-tnc scenario

This commit is contained in:
Andreas Steffen 2010-10-09 00:59:31 +02:00
parent 3cb3f85dfc
commit a1afa8d810
20 changed files with 286 additions and 0 deletions

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The roadwarriors <b>carol</b> and <b>dave</b> set up a connection each to gateway <b>moon</b>
using EAP-TTLS authentication only with the gateway presenting a server certificate and
the clients doing EAP-MD5 password-based authentication.
In a next step the EAP-TNC protocol is used within the EAP-TTLS tunnel to determine the
health of <b>carol</b> and <b>dave</b> via the <b>IF-TNCCS 1.1</b> client-server interface.
<b>carol</b> passes the health test and <b>dave</b> fails. Based on these measurements the
clients are connected by gateway <b>moon</b> to the "rw-allow" and "rw-isolate" subnets,
respectively.

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carol::cat /var/log/daemon.log::TNCCS-Recommendation.*allow::YES
carol::cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established ::YES
carol::cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with EAP successful
carol::cat /var/log/daemon.log::CHILD_SA home{1} established.*TS 192.168.0.100/32 === 10.1.0.0/28::YES
dave::cat /var/log/daemon.log::TNCCS-Recommendation.*isolate::YES
dave::cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established ::YES
dave::cat /var/log/daemon.log:authentication of 'moon.strongswan.org' with EAP successful
dave::cat /var/log/daemon.log::CHILD_SA home{1} established.*TS 192.168.0.200/32 === 10.1.0.16/28::YES
moon::cat /var/log/daemon.log::added group membership 'allow'::YES
moon::cat /var/log/daemon.log::authentication of 'carol@strongswan.org' with EAP successful::YES
moon::cat /var/log/daemon.log::added group membership 'isolate'::YES
moon::cat /var/log/daemon.log::authentication of 'dave@strongswan.org' with EAP successful::YES
moon::ipsec statusall::rw-allow.*10.1.0.0/28 === 192.168.0.100/32::YES
moon::ipsec statusall::rw-isolate.*10.1.0.16/28 === 192.168.0.200/32::YES
carol::ping -c 1 PH_IP_ALICE::64 bytes from PH_IP_ALICE: icmp_seq=1::YES
carol::ping -c 1 PH_IP_VENUS::64 bytes from PH_IP_ALICE: icmp_seq=1::NO
dave::ping -c 1 PH_IP_VENUS::64 bytes from PH_IP_VENUS: icmp_seq=1::YES
dave::ping -c 1 PH_IP_ALICE::64 bytes from PH_IP_VENUS: icmp_seq=1::NO

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# /etc/ipsec.conf - strongSwan IPsec configuration file
config setup
plutostart=no
charondebug="tls 2"
conn %default
ikelifetime=60m
keylife=20m
rekeymargin=3m
keyingtries=1
keyexchange=ikev2
conn home
left=PH_IP_CAROL
leftid=carol@strongswan.org
leftauth=eap
leftfirewall=yes
right=PH_IP_MOON
rightid=@moon.strongswan.org
rightsubnet=10.1.0.0/16
auto=add

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# /etc/ipsec.secrets - strongSwan IPsec secrets file
carol@strongswan.org : EAP "Ar3etTnp"

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# /etc/strongswan.conf - strongSwan configuration file
charon {
load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 revocation hmac xcbc stroke kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnccs-11 updown
multiple_authentication=no
}

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allow

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#IMC configuration file for strongSwan client
IMC "Dummy" /usr/local/lib/libdummyimc.so

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# /etc/ipsec.conf - strongSwan IPsec configuration file
config setup
plutostart=no
charondebug="tls 2"
conn %default
ikelifetime=60m
keylife=20m
rekeymargin=3m
keyingtries=1
keyexchange=ikev2
conn home
left=PH_IP_DAVE
leftid=dave@strongswan.org
leftauth=eap
leftfirewall=yes
right=PH_IP_MOON
rightid=@moon.strongswan.org
rightsubnet=10.1.0.0/16
auto=add

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# /etc/ipsec.secrets - strongSwan IPsec secrets file
dave@strongswan.org : EAP "W7R0g3do"

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# /etc/strongswan.conf - strongSwan configuration file
charon {
load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 revocation hmac xcbc stroke kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnccs-11 updown
multiple_authentication=no
}

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isolate

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#IMC configuration file for strongSwan client
IMC "Dummy" /usr/local/lib/libdummyimc.so

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#!/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 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 --sport 500 --dport 500 -j ACCEPT
iptables -A OUTPUT -o eth0 -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 OUTPUT -o eth0 -p udp --dport 4500 --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 RADIUS protocol with alice
iptables -A INPUT -i eth1 -p udp --sport 1812 -s PH_IP_ALICE -j ACCEPT
iptables -A OUTPUT -o eth1 -p udp --dport 1812 -d PH_IP_ALICE -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
}

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# /etc/ipsec.conf - strongSwan IPsec configuration file
config setup
strictcrlpolicy=no
plutostart=no
conn %default
ikelifetime=60m
keylife=20m
rekeymargin=3m
keyingtries=1
keyexchange=ikev2
conn rw-allow
rightgroups=allow
leftsubnet=10.1.0.0/28
also=rw-eap
auto=add
conn rw-isolate
rightgroups=isolate
leftsubnet=10.1.0.16/28
also=rw-eap
auto=add
conn rw-eap
left=PH_IP_MOON
leftcert=moonCert.pem
leftid=@moon.strongswan.org
leftauth=eap-ttls
leftfirewall=yes
rightauth=eap-ttls
rightid=*@strongswan.org
rightsendcert=never
right=%any

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# /etc/ipsec.secrets - strongSwan IPsec secrets file
: RSA moonKey.pem
carol@strongswan.org : EAP "Ar3etTnp"
dave@strongswan.org : EAP "W7R0g3do"

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# /etc/strongswan.conf - strongSwan configuration file
charon {
load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 revocation hmac xcbc stroke kernel-netlink socket-default eap-identity eap-ttls eap-md5 eap-tnc tnccs-11 tnc-imv updown
multiple_authentication=no
plugins {
eap-ttls {
phase2_method = md5
phase2_piggyback = yes
phase2_tnc = yes
}
}
}

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#IMV configuration file for strongSwan server
IMV "Dummy" /usr/local/lib/libdummyimv.so

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moon::ipsec stop
carol::ipsec stop
dave::ipsec stop
moon::/etc/init.d/iptables stop 2> /dev/null
carol::/etc/init.d/iptables stop 2> /dev/null
dave::/etc/init.d/iptables stop 2> /dev/null

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moon::/etc/init.d/iptables start 2> /dev/null
carol::/etc/init.d/iptables start 2> /dev/null
dave::/etc/init.d/iptables start 2> /dev/null
moon::cat /etc/tnc_config
carol::cat /etc/tnc_config
dave::cat /etc/tnc_config
carol::cat /etc/tnc/dummyimc.file
dave::cat /etc/tnc/dummyimc.file
moon::ipsec start
carol::ipsec start
dave::ipsec start
carol::sleep 1
carol::ipsec up home
dave::ipsec up home
dave::sleep 1

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#!/bin/bash
#
# This configuration file provides information on the
# UML instances used for this test
# All UML instances that are required for this test
#
UMLHOSTS="alice venus moon carol winnetou dave"
# Corresponding block diagram
#
DIAGRAM="a-v-m-c-w-d.png"
# UML instances on which tcpdump is to be started
#
TCPDUMPHOSTS="moon"
# UML instances on which IPsec is started
# Used for IPsec logging purposes
#
IPSECHOSTS="moon carol dave"
# UML instances on which FreeRadius is started
#
RADIUSHOSTS=