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This commit is contained in:
Andreas Steffen 2006-07-14 12:58:47 +00:00
parent e6cfe0eecc
commit a9ae2c01ed
8 changed files with 178 additions and 0 deletions
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6
testing/tests/ikev1/nat-before-esp/description.txt Normal file
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An IPsec tunnel connecting the gateway <b>moon</b> with the subnet behind
gateway <b>sun</b> is set up. This host-to-net connection can also be
used by the clients <b>alice</b> and <b>venus</b> via the trick of NAT-ing
them to the outer IP address of gateway <b>moon</b> prior to tunnelling.
The IPsec tunnel is first tested by <b>moon</b> pinging <b>bob</b> and vice versa,
followed by the NAT-ed clients <b>alice</b> and <b>venus</b> pinging <b>bob</b>.

9
testing/tests/ikev1/nat-before-esp/evaltest.dat Normal file
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moon::ipsec status::host-net.*STATE_QUICK_I2.*IPsec SA established::YES
sun::ipsec status::host-net.*STATE_QUICK_R2.*IPsec SA established::YES
moon::ping -c 1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_seq=1::YES
bob::ping -c 1 PH_IP_MOON::64 bytes from PH_IP_MOON: icmp_seq=1::YES
alice::ping -c 1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_seq=1::YES
venus::ping -c 1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_seq=1::YES
sun::tcpdump::IP moon.strongswan.org > sun.strongswan.org: ESP::YES
sun::tcpdump::IP sun.strongswan.org > moon.strongswan.org: ESP::YES
bob::tcpdump::icmp::YES

83
testing/tests/ikev1/nat-before-esp/hosts/moon/etc/init.d/iptables Executable file
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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
# NAT traffic from 10.1.0.0/16
iptables -t nat -A POSTROUTING -o eth0 -s 10.1.0.0/16 -j MASQUERADE
# forward traffic from 10.1.0.0/16 to POSTROUTING chain
iptables -A FORWARD -i eth1 -o eth0 -s 10.1.0.0/16 -d 10.2.0.0/16 -j ACCEPT
iptables -A FORWARD -o eth1 -i eth0 -d 10.1.0.0/16 -s 10.2.0.0/16 -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 --sport 500 --dport 500 -j ACCEPT
iptables -A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -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
}

24
testing/tests/ikev1/nat-before-esp/hosts/moon/etc/ipsec.conf Executable file
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# /etc/ipsec.conf - strongSwan IPsec configuration file
config setup
plutodebug=control
crlcheckinterval=180
strictcrlpolicy=no
charonstart=no
conn %default
ikelifetime=60m
keylife=20m
rekeymargin=3m
keyingtries=1
conn host-net
left=192.168.0.1
leftnexthop=%direct
leftcert=moonCert.pem
leftid=@moon.strongswan.org
leftfirewall=yes
right=192.168.0.2
rightsubnet=10.2.0.0/16
rightid=@sun.strongswan.org
auto=add

23
testing/tests/ikev1/nat-before-esp/hosts/sun/etc/ipsec.conf Executable file
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# /etc/ipsec.conf - strongSwan IPsec configuration file
config setup
plutodebug=control
crlcheckinterval=180
strictcrlpolicy=no
nat_traversal=yes
charonstart=no
conn %default
ikelifetime=60m
keylife=20m
rekeymargin=3m
keyingtries=1
conn host-net
left=192.168.0.2
leftcert=sunCert.pem
leftid=@sun.strongswan.org
leftfirewall=yes
leftsubnet=10.2.0.0/16
right=%any
auto=add

6
testing/tests/ikev1/nat-before-esp/posttest.dat Normal file
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moon::iptables -v -n -L
moon::iptables -t nat -v -n -L
moon::ipsec stop
sun::ipsec stop
moon::/etc/init.d/iptables stop 2> /dev/null
sun::/etc/init.d/iptables stop 2> /dev/null

6
testing/tests/ikev1/nat-before-esp/pretest.dat Normal file
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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
moon::ipsec up host-net

21
testing/tests/ikev1/nat-before-esp/test.conf Normal file
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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 winnetou sun bob"
# Corresponding block diagram
#
DIAGRAM="a-m-w-s-b.png"
# UML instances on which tcpdump is to be started
#
TCPDUMPHOSTS="sun bob"
# UML instances on which IPsec is started
# Used for IPsec logging purposes
#
IPSECHOSTS="moon sun"