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added p2pnat/medsrv-psk scenario

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This commit is contained in:
Andreas Steffen
2007-11-26 00:25:22 +00:00
parent 4c125ea26d
commit 545ed7dde0
13 changed files with 342 additions and 0 deletions
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testing/tests/p2pnat/medsrv-psk/description.txt
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The peers <b>alice</b> and <b>bob</b> are hidden behind the NAT routers <b>moon</b> and <b>sun</b>,
respectively. Due to this double-NAT situation they cannot set up an IPsec tunnel directly
but need the assistance from the mediation server <b>carol</b> with which they register under
the pseudonyms <b>[email protected]</b> and <b>[email protected]</b>, respectively,
authenticating by means of individual pre-shared keys. Using the set of endpoints relayed
to them by the mediation server, the peers are able to set up a direct IPsec connection..
In order to test the double NAT-ed IPsec tunnel both peers ping each other.
testing/tests/p2pnat/medsrv-psk/evaltest.dat
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alice::ipsec statusall::medsrv.*ESTABLISHED::YES
bob::ipsec statusall::medsrv.*ESTABLISHED::YES
carol::ipsec statusall::medsrv.*ESTABLISHED.*PH_IP_MOON.*[email protected]::YES
carol::ipsec statusall::medsrv.*ESTABLISHED.*PH_IP_SUN.*[email protected]::YES
alice::ipsec statusall::p2p.*ESTABLISHED::YES
bob::ipsec statusall::p2p.*ESTABLISHED::YES
alice::ipsec statusall::p2p.*INSTALLED::YES
bob::ipsec statusall::p2p.*INSTALLED::YES
alice::ping -c 1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_seq=1::YES
bob::ping -c 1 PH_IP_ALICE::64 bytes from PH_IP_ALICE: icmp_seq=1::YES
moon::tcpdump::IP moon.strongswan.org.* > sun.strongswan.org.*: UDP::YES
moon::tcpdump::IP sun.strongswan.org.* > moon.strongswan.org.*: UDP::YES
testing/tests/p2pnat/medsrv-psk/hosts/alice/etc/init.d/iptables
Executable
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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"
# default policy is DROP
/sbin/iptables -P INPUT DROP
/sbin/iptables -P OUTPUT DROP
/sbin/iptables -P FORWARD DROP
# 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 NAT-T including P2P
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/p2pnat/medsrv-psk/hosts/alice/etc/ipsec.conf
Executable
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# /etc/ipsec.conf - strongSwan IPsec configuration file
config setup
crlcheckinterval=180
strictcrlpolicy=no
plutostart=no
conn %default
ikelifetime=60m
keylife=20m
rekeymargin=3m
keyingtries=1
keyexchange=ikev2
mobike=no
dpdaction=restart
dpddelay=60s
left=%defaultroute
leftfirewall=yes
conn medsrv
[email protected]
right=PH_IP_CAROL
[email protected]
p2p_mediation=yes
authby=psk
auto=add
conn p2p
leftcert=aliceCert.pem
[email protected]
right=%any
[email protected]
rightsubnet=PH_IP_BOB/32
p2p_mediated_by=medsrv
[email protected]
auto=start
testing/tests/p2pnat/medsrv-psk/hosts/alice/etc/ipsec.secrets
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# /etc/ipsec.secrets - strongSwan IPsec secrets file
: RSA aliceKey.pem
# secret used for mediation connection
[email protected] : PSK "BAXz/6cSITttd0CzF9799p859Pi4LPnP"
testing/tests/p2pnat/medsrv-psk/hosts/bob/etc/ipsec.conf
Executable
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# /etc/ipsec.conf - strongSwan IPsec configuration file
config setup
crlcheckinterval=180
strictcrlpolicy=no
plutostart=no
conn %default
ikelifetime=60m
keylife=20m
rekeymargin=3m
keyingtries=1
keyexchange=ikev2
mobike=no
dpdaction=restart
dpddelay=60s
left=%defaultroute
leftfirewall=yes
conn medsrv
[email protected]
right=PH_IP_CAROL
[email protected]
authby=psk
p2p_mediation=yes
auto=add
conn p2p
leftcert=bobCert.pem
[email protected]
right=%any
[email protected]
rightsubnet=PH_IP_ALICE/32
p2p_mediated_by=medsrv
[email protected]
auto=start
testing/tests/p2pnat/medsrv-psk/hosts/bob/etc/ipsec.secrets
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# /etc/ipsec.secrets - strongSwan IPsec secrets file
: RSA bobKey.pem
# secret used for mediation connection
[email protected] : PSK "ZVm3FLOiweS1ywUDpR/L9FvpwNYp9svt"
testing/tests/p2pnat/medsrv-psk/hosts/carol/etc/init.d/iptables
Executable
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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"
# 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 behind NAT
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/p2pnat/medsrv-psk/hosts/carol/etc/ipsec.conf
Executable
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# /etc/ipsec.conf - strongSwan IPsec configuration file
config setup
crlcheckinterval=180
strictcrlpolicy=no
plutostart=no
conn %default
ikelifetime=60m
keylife=20m
rekeymargin=3m
keyingtries=1
keyexchange=ikev2
mobike=no
dpdaction=clear
dpddelay=60s
conn medsrv
left=PH_IP_CAROL
leftcert=carolCert.pem
[email protected]
leftfirewall=yes
right=%any
p2p_mediation=yes
auto=add
testing/tests/p2pnat/medsrv-psk/hosts/carol/etc/ipsec.secrets
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# /etc/ipsec.secrets - strongSwan IPsec secrets file
: RSA carolKey.pem "nH5ZQEWtku0RJEZ6"
# Mediation clients with random IDs
[email protected] : PSK "BAXz/6cSITttd0CzF9799p859Pi4LPnP"
[email protected] : PSK "ZVm3FLOiweS1ywUDpR/L9FvpwNYp9svt"
testing/tests/p2pnat/medsrv-psk/posttest.dat
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bob::ipsec stop
alice::ipsec stop
carol::ipsec stop
alice::/etc/init.d/iptables stop 2> /dev/null
moon::/etc/init.d/iptables stop 2> /dev/null
carol::/etc/init.d/iptables stop 2> /dev/null
sun::/etc/init.d/iptables stop 2> /dev/null
bob::/etc/init.d/iptables stop 2> /dev/null
moon::conntrack -F
sun::conntrack -F
testing/tests/p2pnat/medsrv-psk/pretest.dat
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alice::/etc/init.d/iptables start 2> /dev/null
moon::/etc/init.d/iptables start 2> /dev/null
carol::/etc/init.d/iptables start 2> /dev/null
sun::/etc/init.d/iptables start 2> /dev/null
bob::/etc/init.d/iptables start 2> /dev/null
moon::conntrack -F
moon::iptables -t nat -A POSTROUTING -o eth0 -s 10.1.0.0/16 -p udp -j SNAT --to-source PH_IP_MOON:1100-1200
moon::iptables -t nat -A POSTROUTING -o eth0 -s 10.1.0.0/16 -p tcp -j SNAT --to-source PH_IP_MOON:2000-2100
moon::iptables -A FORWARD -i eth1 -o eth0 -s 10.1.0.0/16 -j ACCEPT
moon::iptables -A FORWARD -i eth0 -o eth1 -d 10.1.0.0/16 -j ACCEPT
sun::conntrack -F
sun::iptables -t nat -A POSTROUTING -o eth0 -s 10.2.0.0/16 -p udp -j SNAT --to-source PH_IP_SUN:1200-1300
sun::iptables -t nat -A POSTROUTING -o eth0 -s 10.2.0.0/16 -p tcp -j SNAT --to-source PH_IP_SUN:2000-2100
sun::iptables -A FORWARD -i eth1 -o eth0 -s 10.2.0.0/16 -j ACCEPT
sun::iptables -A FORWARD -i eth0 -o eth1 -d 10.2.0.0/16 -j ACCEPT
carol::ipsec start
carol::sleep 1
alice::ipsec start
alice::sleep 1
bob::ipsec start
bob::sleep 10
testing/tests/p2pnat/medsrv-psk/test.conf
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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 moon carol winnetou sun bob"
# Corresponding block diagram
#
DIAGRAM="a-m-c-w-s-b-med.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="alice carol bob"