testing: Added route-based/rw-shared-vti-ip6-in-ip4 scenario

testing/tests/route-based/rw-shared-vti-ip6-in-ip4/hosts/carol/etc/ip6tables.rules

@@ -0,0 +1,20 @@
+*filter
+
+# default policy is DROP
+-P INPUT DROP
+-P OUTPUT DROP
+-P FORWARD DROP
+
+# allow ICMPv6 neighbor-solicitations
+-A INPUT  -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
+-A OUTPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
+
+# allow ICMPv6 neighbor-advertisements
+-A INPUT  -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
+-A OUTPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
+
+# log dropped packets
+-A INPUT  -j LOG --log-prefix " IN: "
+-A OUTPUT -j LOG --log-prefix " OUT: "
+
+COMMIT

testing/tests/route-based/rw-shared-vti-ip6-in-ip4/hosts/carol/etc/strongswan.conf

@@ -0,0 +1,9 @@
+# /etc/strongswan.conf - strongSwan configuration file
+
+swanctl {
+  load = pem pkcs1 x509 revocation constraints pubkey openssl random
+}
+
+charon-systemd {
+  load = random nonce aes sha1 sha2 hmac pem pkcs1 x509 revocation curve25519 gmp curl kernel-netlink socket-default updown vici
+}

testing/tests/route-based/rw-shared-vti-ip6-in-ip4/hosts/carol/etc/swanctl/swanctl.conf

@@ -0,0 +1,28 @@
+connections {
+
+   home {
+      local_addrs  = PH_IP_CAROL
+      remote_addrs = PH_IP_MOON
+      vips = ::
+
+      local {
+         auth = pubkey
+         certs = carolCert.pem
+         id = [email protected]
+      }
+      remote {
+         auth = pubkey
+         id = moon.strongswan.org
+      }
+      children {
+         home {
+            remote_ts = fec1::/16
+
+            updown = /usr/local/libexec/ipsec/_updown iptables
+            esp_proposals = aes128gcm128-x25519
+         }
+      }
+      version = 2
+      proposals = aes128-sha256-x25519
+   }
+}