testing: add a testcase for plain XAuth RADIUS authentication

testing/tests/ikev1/xauth-rsa-radius/description.txt

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+The roadwarrior <b>carol</b> sets up a connection to gateway <b>moon</b>.
+The authentication is based on RSA signatures (<b>RSASIG</b>) using X.509 certificates
+followed by extended authentication (<b>XAUTH</b>) of <b>carol</b> based on a user name
+equal to the <b>IKEv1</b> identity (<b>[email protected]</b>) and a user password
+defined and stored by <b>carol</b> in ipsec.secrets. Gateway <b>moon</b> verifies
+<b>carol</b>'s XAUTH user credentials using a RADIUS connection with AAA server
+<b>alice</b>.

testing/tests/ikev1/xauth-rsa-radius/evaltest.dat

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+carol::cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with RSA successful::YES
+moon:: cat /var/log/daemon.log::XAuth authentication of '[email protected]' successful::YES
+moon:: ipsec status 2> /dev/null::rw.*ESTABLISHED.*moon.strongswan.org.*[email protected]::YES
+carol::ipsec status 2> /dev/null::home.*ESTABLISHED.*[email protected].*moon.strongswan.org::YES
+moon:: ipsec status 2> /dev/null::rw.*INSTALLED, TUNNEL::YES
+carol::ipsec status 2> /dev/null::home.*INSTALLED, TUNNEL::YES
+carol::ping -c 1 PH_IP_ALICE::64 bytes from PH_IP_ALICE: icmp_req=1::YES
+moon::tcpdump::IP carol.strongswan.org > moon.strongswan.org: ESP::YES
+moon::tcpdump::IP moon.strongswan.org > carol.strongswan.org: ESP::YES

testing/tests/ikev1/xauth-rsa-radius/hosts/alice/etc/freeradius/eap.conf

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+eap {
+  default_eap_type = md5
+  md5 {
+  }
+}

testing/tests/ikev1/xauth-rsa-radius/hosts/alice/etc/freeradius/proxy.conf

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+realm strongswan.org {
+  type     = radius
+  authhost = LOCAL
+  accthost = LOCAL
+}

testing/tests/ikev1/xauth-rsa-radius/hosts/alice/etc/freeradius/sites-available/default

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+authorize {
+  suffix
+  files
+}
+
+authenticate {
+  pap
+}
+
+preacct {
+  preprocess
+  acct_unique
+  suffix
+  files
+}
+
+accounting {
+  detail
+  unix
+  radutmp
+  attr_filter.accounting_response
+}
+
+session {
+  radutmp
+}
+
+post-auth {
+  exec
+  Post-Auth-Type REJECT {
+    attr_filter.access_reject
+  }
+}
+
+pre-proxy {
+}
+
+post-proxy {
+}

testing/tests/ikev1/xauth-rsa-radius/hosts/alice/etc/freeradius/users

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+carol	Cleartext-Password := "4iChxLT3"

testing/tests/ikev1/xauth-rsa-radius/hosts/carol/etc/ipsec.conf

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+# /etc/ipsec.conf - strongSwan IPsec configuration file
+
+config setup
+
+conn %default
+	ikelifetime=60m
+	keylife=20m
+	rekeymargin=3m
+	keyingtries=1
+	keyexchange=ikev1
+
+conn home
+	left=PH_IP_CAROL
+	leftcert=carolCert.pem
+	[email protected]
+	leftauth=pubkey
+	leftauth2=xauth
+	leftfirewall=yes
+	right=PH_IP_MOON
+	rightsubnet=10.1.0.0/16
+	[email protected]
+	rightauth=pubkey
+	auto=add

testing/tests/ikev1/xauth-rsa-radius/hosts/carol/etc/ipsec.secrets

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+# /etc/ipsec.secrets - strongSwan IPsec secrets file
+
+: RSA carolKey.pem "nH5ZQEWtku0RJEZ6"
+
+[email protected] : XAUTH "4iChxLT3"

testing/tests/ikev1/xauth-rsa-radius/hosts/carol/etc/strongswan.conf

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+# /etc/strongswan.conf - strongSwan configuration file
+
+charon {
+  load = sha1 sha2 md5 aes des hmac pem pkcs1 x509 revocation gmp random nonce curl xauth-generic kernel-netlink socket-default updown stroke
+}
+
+libstrongswan {
+  dh_exponent_ansi_x9_42 = no
+}

testing/tests/ikev1/xauth-rsa-radius/hosts/moon/etc/ipsec.conf

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+# /etc/ipsec.conf - strongSwan IPsec configuration file
+
+config setup
+
+conn %default
+	ikelifetime=60m
+	keylife=20m
+	rekeymargin=3m
+	keyingtries=1
+	keyexchange=ikev1
+
+conn rw
+	left=PH_IP_MOON
+	leftsubnet=10.1.0.0/16
+	[email protected]
+	leftcert=moonCert.pem
+	leftauth=pubkey
+	leftfirewall=yes
+	right=%any
+	rightauth=pubkey
+	rightauth2=xauth-radius
+	auto=add

testing/tests/ikev1/xauth-rsa-radius/hosts/moon/etc/ipsec.secrets

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+# /etc/ipsec.secrets - strongSwan IPsec secrets file
+
+: RSA moonKey.pem

testing/tests/ikev1/xauth-rsa-radius/hosts/moon/etc/iptables.rules

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+*filter
+
+# default policy is DROP
+-P INPUT DROP
+-P OUTPUT DROP
+-P FORWARD DROP
+
+# allow esp
+-A INPUT  -i eth0 -p 50 -j ACCEPT
+-A OUTPUT -o eth0 -p 50 -j ACCEPT
+
+# allow IKE
+-A INPUT  -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
+-A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -j ACCEPT
+
+# allow MobIKE
+-A INPUT  -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
+-A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
+
+# allow ssh
+-A INPUT  -p tcp --dport 22 -j ACCEPT
+-A OUTPUT -p tcp --sport 22 -j ACCEPT
+
+# allow crl fetch from winnetou
+-A INPUT  -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
+-A OUTPUT -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
+
+# allow RADIUS protocol with alice
+-A INPUT  -i eth1 -p udp --sport 1812 -s PH_IP_ALICE -j ACCEPT
+-A OUTPUT -o eth1 -p udp --dport 1812 -d PH_IP_ALICE -j ACCEPT
+
+COMMIT

testing/tests/ikev1/xauth-rsa-radius/hosts/moon/etc/strongswan.conf

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+# /etc/strongswan.conf - strongSwan configuration file
+
+charon {
+  load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random nonce x509 revocation hmac stroke kernel-netlink socket-default fips-prf eap-radius updown
+  plugins {
+    eap-radius {
+      secret = gv6URkSs
+      server = PH_IP_ALICE
+    }
+  }
+}

testing/tests/ikev1/xauth-rsa-radius/posttest.dat

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+moon::ipsec stop
+carol::ipsec stop
+alice::killall radiusd
+moon::iptables-restore < /etc/iptables.flush
+carol::iptables-restore < /etc/iptables.flush

testing/tests/ikev1/xauth-rsa-radius/pretest.dat

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+moon::iptables-restore < /etc/iptables.rules
+carol::iptables-restore < /etc/iptables.rules
+alice::radiusd
+moon::ipsec start
+carol::ipsec start
+carol::sleep 1
+carol::ipsec up home
+carol::sleep 1

testing/tests/ikev1/xauth-rsa-radius/test.conf

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