testing: Reorganizing IKEv1 and IKEv2 examples

For documentation purposes the new folders ikev1-algs, ikev2-algs,
ikev1-multi-ca and ikev2-multi-ca have been created. Most of the
test cases have now been converted to the vici interface. The
remaining legacy stroke scenarios yet to be converted have been put
into the ikev2-stroke-bye folder.

For documentation purposes some legacy stroke scenarios will be kept
in the ikev1-stroke, ikev2-stroke and ipv6-stroke folders.

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

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+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-stroke-bye/dpd-hold/evaltest.dat

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+carol::ipsec status 2> /dev/null::home.*INSTALLED, TUNNEL::YES
+moon:: ipsec status 2> /dev/null::rw.*INSTALLED, TUNNEL::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 13::no output expected::NO
+carol::cat /var/log/daemon.log::sending DPD request::YES
+carol::cat /var/log/daemon.log::retransmit.*of request::YES
+carol::cat /var/log/daemon.log::giving up after.*retransmits::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 -W 1 PH_IP_ALICE::trigger route::NO
+carol::sleep 1::no output expected::NO
+carol::ipsec status 2> /dev/null::home.*INSTALLED, TUNNEL::YES
+moon:: ipsec status 2> /dev/null::rw.*INSTALLED, TUNNEL::YES

testing/tests/ikev2-stroke-bye/dpd-hold/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=ikev2
+	dpdaction=hold
+	dpddelay=10
+
+conn home
+	left=PH_IP_CAROL
+	leftcert=carolCert.pem
+	[email protected]
+	leftfirewall=yes
+	right=PH_IP_MOON
+	[email protected]
+	rightsubnet=10.1.0.0/16
+	auto=add

testing/tests/ikev2-stroke-bye/dpd-hold/hosts/carol/etc/strongswan.conf

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+# /etc/strongswan.conf - strongSwan configuration file
+
+charon {
+  load = random nonce aes sha1 sha2 md5 pem pkcs1 curve25519 gmp x509 curl revocation hmac stroke kernel-netlink socket-default updown
+}

testing/tests/ikev2-stroke-bye/dpd-hold/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=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-stroke-bye/dpd-hold/hosts/moon/etc/strongswan.conf

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+# /etc/strongswan.conf - strongSwan configuration file
+
+charon {
+  load = random nonce aes sha1 sha2 pem pkcs1 curve25519 gmp x509 curl revocation hmac stroke kernel-netlink socket-default
+}

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

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

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

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+moon::ipsec start
+carol::ipsec start
+moon::expect-connection rw
+carol::expect-connection home
+carol::ipsec up home

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