added dpd-hold scenario

testing/tests/ikev2/dpd-hold/description.txt

@@ -0,0 +1,7 @@
+The roadwarrior <b>carol</b> sets up an IPsec tunnel connection to the gateway
+<b>moon</b>. Both end points activate <b>Dead Peer Detection</b> (DPD) with a
+polling interval of 10 s. When the network connectivity between <b>carol</b>
+and <b>moon</b> is forcefully disrupted for a duration of 100 s, <b>moon</b>
+clears the connection after 4 unsuccessful retransmits whereas <b>carol</b>
+also takes down the connection but installs a route which triggers when
+<b>carol</b> sends a ping to client <b>alice</b> behind gateway <b>moon</b>.

testing/tests/ikev2/dpd-hold/evaltest.dat

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+carol::ipsec statusall::home.*INSTALLED::YES
+moon::ipsec statusall::rw.*INSTALLED::YES
+moon::iptables -A INPUT -i eth0 -s PH_IP_CAROL -j DROP::no output expected::NO
+carol::iptables -A INPUT -i eth0 -s PH_IP_MOON -j DROP::no output expected::NO
+carol::sleep 100::no output expected::NO
+carol::cat /var/log/daemon.log::sending DPD request::YES
+carol::cat /var/log/daemon.log::sending retransmit.*for INFORMATIONAL request::YES
+carol::cat /var/log/daemon.log::giving up after 4 retransmits, deleting IKE_SA::YES
+carol::cat /var/log/daemon.log::dpd action for home is DPD_ROUTE::YES
+carol::iptables -D INPUT -i eth0 -s PH_IP_MOON -j DROP::no output expected::NO
+moon::iptables -D INPUT -i eth0 -s PH_IP_CAROL -j DROP::no output expected::NO
+carol::ping -c 1 PH_IP_ALICE::trigger route::NO
+carol::sleep 2::no output expected::NO
+carol::ipsec statusall::home.*INSTALLED::YES
+moon::ipsec statusall::rw.*INSTALLED::YES

testing/tests/ikev2/dpd-hold/hosts/carol/etc/ipsec.conf

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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
+	dpdaction=hold
+	dpddelay=10
+
+conn home
+	left=PH_IP_CAROL
+	leftnexthop=%direct
+	leftcert=carolCert.pem
+	[email protected]
+	leftfirewall=yes
+	right=PH_IP_MOON
+	[email protected]
+	rightsubnet=10.1.0.0/16
+	auto=add

testing/tests/ikev2/dpd-hold/hosts/moon/etc/ipsec.conf

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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
+	leftnexthop=%direct
+	keyexchange=ikev2
+	dpdaction=clear
+	dpddelay=10
+
+conn rw
+	left=PH_IP_MOON
+	leftcert=moonCert.pem
+	[email protected]
+	leftsubnet=10.1.0.0/16
+	right=%any
+	[email protected]
+	auto=add

testing/tests/ikev2/dpd-hold/posttest.dat

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

testing/tests/ikev2/dpd-hold/pretest.dat

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+moon::ipsec start
+carol::ipsec start
+carol::sleep 2 
+carol::ipsec up home

testing/tests/ikev2/dpd-hold/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="moon carol winnetou"
+
+# Corresponding block diagram
+#
+DIAGRAM="m-c-w.png"
+
+# UML instances on which tcpdump is to be started
+#
+TCPDUMPHOSTS=""
+
+# UML instances on which IPsec is started
+# Used for IPsec logging purposes
+#
+IPSECHOSTS="moon carol"