Add a simple test case for the unity plugin, featuring both includes and excludes

testing/tests/ikev1/rw-cert-unity/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 <b>X.509 certificates</b>. <b>carol</b>
+requests a virtual IP using <b>leftsourceip=%config</b> and indicates
+support for the Cisco Unity extension. Gateway <b>moon</b> responds with
+two Split-Include subnets configured in the <b>leftsubnet</b> definition and a
+global Local-LAN exclude option defined in strongswan.conf.

testing/tests/ikev1/rw-cert-unity/evaltest.dat

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+carol::ipsec status 2> /dev/null::home.*ESTABLISHED.*[email protected].*moon.strongswan.org::YES
+moon:: ipsec status 2> /dev/null::rw\[1]: ESTABLISHED.*moon.strongswan.org.*[email protected]::YES
+carol::ipsec status 2> /dev/null::10.2.1.1/32 === 192.168.0.0/24 PASS::YES
+carol::ipsec status 2> /dev/null::home.*10.2.1.1/32 === 10.1.0.0/16 10.2.1.0/24::YES
+moon:: ipsec status 2> /dev/null::rw[{]1}.*10.1.0.0/16 10.2.1.0/24 === 10.2.1.1/32::YES
+carol::ping -c 1 PH_IP_ALICE::64 bytes from PH_IP_ALICE: icmp_seq=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/rw-cert-unity/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]
+	leftsourceip=%config
+	right=PH_IP_MOON
+	[email protected]
+	rightsubnet=0.0.0.0/0
+	auto=add

testing/tests/ikev1/rw-cert-unity/hosts/carol/etc/strongswan.conf

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+# /etc/strongswan.conf - strongSwan configuration file
+
+charon {
+  load = curl test-vectors aes des sha1 sha2 md5 pem pkcs1 pkcs8 gmp random nonce x509 revocation hmac xcbc ctr ccm gcm stroke kernel-netlink socket-default unity
+  cisco_unity = yes
+}
+
+libstrongswan {
+  dh_exponent_ansi_x9_42 = no
+  integrity_test = yes
+  crypto_test {
+    on_add = yes
+  }
+}

testing/tests/ikev1/rw-cert-unity/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
+	leftcert=moonCert.pem
+	[email protected]
+	leftsubnet=10.1.0.0/16,10.2.1.0/24
+	right=%any
+	rightsourceip=10.2.1.0/24
+	auto=add

testing/tests/ikev1/rw-cert-unity/hosts/moon/etc/strongswan.conf

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+# /etc/strongswan.conf - strongSwan configuration file
+
+charon {
+  load = curl test-vectors aes des sha1 sha2 md5 pem pkcs1 pkcs8 gmp random nonce x509 revocation hmac xcbc ctr ccm gcm stroke kernel-netlink socket-default attr unity
+  cisco_unity = yes
+  plugins {
+    attr {
+      split-exclude = 192.168.0.0/24
+    }
+  }
+}
+
+libstrongswan {
+  dh_exponent_ansi_x9_42 = no
+  integrity_test = yes
+  crypto_test {
+    on_add = yes
+  }
+}

testing/tests/ikev1/rw-cert-unity/posttest.dat

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+moon::ipsec stop
+carol::ipsec stop

testing/tests/ikev1/rw-cert-unity/pretest.dat

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+moon::ipsec start
+carol::ipsec start
+carol::sleep 1
+carol::ipsec up home

testing/tests/ikev1/rw-cert-unity/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"
+
+# Corresponding block diagram
+#
+DIAGRAM="a-m-c.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"