openfortivpn: add user, key, CA PEM support

Allow authentication inputs by key/cert PEM.

Signed-off-by: Matthew Hagan <mnhagan88@gmail.com>

net/openfortivpn/Makefile

@@ -54,12 +54,15 @@ define Package/openfortivpn/install
 	$(INSTALL_DIR) \
 	  $(1)/usr/sbin \
           $(1)/lib/netifd/proto \
-	  $(1)/etc/hotplug.d/iface
+	  $(1)/etc/hotplug.d/iface \
+	  $(1)/etc/openfortivpn \
+	  $(1)/lib/upgrade/keep.d
 
 	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/openfortivpn $(1)/usr/sbin/
 	$(INSTALL_BIN) ./files/openfortivpn-wrapper $(1)/usr/sbin/
 	$(INSTALL_BIN) ./files/openfortivpn.sh $(1)/lib/netifd/proto/
 	$(INSTALL_BIN) ./files/openfortivpn-ppp-up $(1)/lib/netifd/openfortivpn-ppp-up
+	$(INSTALL_DATA) ./files/openfortivpn.upgrade $(1)/lib/upgrade/keep.d/openfortivpn
 endef
 
 $(eval $(call BuildPackage,openfortivpn))

net/openfortivpn/files/openfortivpn.sh

@@ -132,6 +132,10 @@ proto_openfortivpn_setup() {
 	        mkdir -p '/var/etc/openfortivpn/peers'
 	}
 
+	[ -f /etc/openfortivpn/user-cert-$config.pem ] && append_args "--user-cert=/etc/openfortivpn/user-cert-$config.pem"
+	[ -f /etc/openfortivpn/user-key-$config.pem ] && append_args "--user-key=/etc/openfortivpn/user-key-$config.pem"
+	[ -f /etc/openfortivpn/ca-$config.pem ] && append_args "--ca-file=/etc/openfortivpn/ca-$config.pem"
+
 	callfile="/var/etc/openfortivpn/peers/$config"
 	echo "115200
 :$local_ip

net/openfortivpn/files/openfortivpn.upgrade

@@ -0,0 +1,3 @@
+/etc/openfortivpn/user-cert-*.pem
+/etc/openfortivpn/user-key-*.pem
+/etc/openfortivpn/ca-*.pem