added pfkey/esp-alg-null scenario

testing/tests/pfkey/esp-alg-null/hosts/carol/etc/ipsec.conf

@@ -0,0 +1,25 @@
+# /etc/ipsec.conf - strongSwan IPsec configuration file
+
+config setup
+        crlcheckinterval=180
+	strictcrlpolicy=yes
+	plutostart=no
+
+conn %default
+	ikelifetime=60m
+	keylife=20m
+	rekeymargin=3m
+	keyingtries=1
+	keyexchange=ikev2
+	ike=aes128-sha1-modp2048!
+	esp=null-sha1!
+
+conn home
+	left=PH_IP_CAROL
+	leftfirewall=yes
+	leftcert=carolCert.pem
+	leftid=carol@strongswan.org
+	right=PH_IP_MOON
+	rightsubnet=10.1.0.0/16
+	rightid=@moon.strongswan.org
+	auto=add 

testing/tests/pfkey/esp-alg-null/hosts/carol/etc/strongswan.conf

@@ -0,0 +1,5 @@
+# /etc/strongswan.conf - strongSwan configuration file
+
+charon {
+  load = curl aes des sha1 sha2 md5 gmp random x509 pubkey hmac xcbc stroke kernel-pfkey kernel-netlink updown
+}

testing/tests/pfkey/esp-alg-null/hosts/moon/etc/ipsec.conf

@@ -0,0 +1,24 @@
+# /etc/ipsec.conf - strongSwan IPsec configuration file
+
+config setup
+        crlcheckinterval=180
+	strictcrlpolicy=yes
+	plutostart=no
+
+conn %default
+	ikelifetime=60m
+	keylife=20m
+	rekeymargin=3m
+	keyingtries=1
+	keyexchange=ikev2
+	ike=aes128-sha1-modp2048!
+	esp=null-sha1!
+
+conn rw
+	left=PH_IP_MOON
+	leftfirewall=yes
+	leftcert=moonCert.pem
+	leftid=@moon.strongswan.org
+	leftsubnet=10.1.0.0/16
+	right=%any
+	auto=add

testing/tests/pfkey/esp-alg-null/hosts/moon/etc/strongswan.conf

@@ -0,0 +1,5 @@
+# /etc/strongswan.conf - strongSwan configuration file
+
+charon {
+  load = curl aes des sha1 sha2 md5 gmp random x509 pubkey hmac xcbc stroke kernel-pfkey kernel-netlink updown
+}