testing: Add libipsec/net2net-trap scenario

2023-05-23 11:53:53 +02:00
parent b0eb88f703
commit cb049e14c8
11 changed files with 256 additions and 0 deletions
@@ -0,0 +1,10 @@
+# /etc/strongswan.conf - strongSwan configuration file
+
+swanctl {
+  load = pem pkcs1 x509 revocation constraints pubkey openssl random
+}
+
+charon-systemd {
+  load = random nonce aes sha1 sha2 gcm pem pkcs1 curve25519 gmp x509 curl revocation hmac kdf vici kernel-libipsec kernel-netlink socket-default updown
+  multiple_authentication = no
+}
@@ -0,0 +1,30 @@
+connections {
+
+   gw-gw {
+      local_addrs  = 192.168.0.1
+      remote_addrs = 192.168.0.2
+
+      local {
+         auth = pubkey
+         certs = moonCert.pem
+         id = moon.strongswan.org
+      }
+      remote {
+         auth = pubkey
+         id = sun.strongswan.org
+      }
+      children {
+         net-net {
+            local_ts  = 10.1.0.0/16
+            remote_ts = 10.2.0.0/16
+
+            start_action = trap
+            updown = /etc/updown
+            esp_proposals = aes128gcm128-x25519
+         }
+      }
+      version = 2
+      mobike = no
+      proposals = aes128-sha256-x25519
+   }
+}
@@ -0,0 +1,59 @@
+#!/bin/sh
+
+TUN_NAME=ipsec0
+
+# use protocol specific options to set ports
+case "$PLUTO_MY_PROTOCOL" in
+1)	# ICMP
+	ICMP_TYPE_OPTION="--icmp-type"
+	;;
+58)	# ICMPv6
+	ICMP_TYPE_OPTION="--icmpv6-type"
+	;;
+*)
+	;;
+esac
+
+# are there port numbers?
+if [ "$PLUTO_MY_PORT" != 0 ]
+then
+	if [ -n "$ICMP_TYPE_OPTION" ]
+	then
+		S_MY_PORT="$ICMP_TYPE_OPTION $PLUTO_MY_PORT"
+		D_MY_PORT="$ICMP_TYPE_OPTION $PLUTO_MY_PORT"
+	else
+		S_MY_PORT="--sport $PLUTO_MY_PORT"
+		D_MY_PORT="--dport $PLUTO_MY_PORT"
+	fi
+fi
+if [ "$PLUTO_PEER_PORT" != 0 ]
+then
+	if [ -n "$ICMP_TYPE_OPTION" ]
+	then
+		# the syntax is --icmp[v6]-type type[/code], so add it to the existing option
+		S_MY_PORT="$S_MY_PORT/$PLUTO_PEER_PORT"
+		D_MY_PORT="$D_MY_PORT/$PLUTO_PEER_PORT"
+	else
+		S_PEER_PORT="--sport $PLUTO_PEER_PORT"
+		D_PEER_PORT="--dport $PLUTO_PEER_PORT"
+	fi
+fi
+
+case "$PLUTO_VERB" in
+up-client)
+	iptables -I FORWARD 1 -o $TUN_NAME -p $PLUTO_PEER_PROTOCOL \
+	    -s $PLUTO_MY_CLIENT $S_MY_PORT \
+	    -d $PLUTO_PEER_CLIENT $D_PEER_PORT -j ACCEPT
+	iptables -I FORWARD 1 -i $TUN_NAME -p $PLUTO_MY_PROTOCOL \
+	    -s $PLUTO_PEER_CLIENT $S_PEER_PORT \
+	    -d $PLUTO_MY_CLIENT $D_MY_PORT -j ACCEPT
+	;;
+down-client)
+	iptables -D FORWARD -o $TUN_NAME -p $PLUTO_PEER_PROTOCOL \
+	    -s $PLUTO_MY_CLIENT $S_MY_PORT \
+	    -d $PLUTO_PEER_CLIENT $D_PEER_PORT -j ACCEPT
+	iptables -D FORWARD -i $TUN_NAME -p $PLUTO_MY_PROTOCOL \
+	    -s $PLUTO_PEER_CLIENT $S_PEER_PORT \
+	    -d $PLUTO_MY_CLIENT $D_MY_PORT -j ACCEPT
+	;;
+esac