Add support for jump-resources

Author: mbuesch

Cargo.lock

@@ -13,6 +13,16 @@ table inet filter {
 		# letmeind will dynamically insert 'accept' rules here for the leases.
 	}
 
+	chain LETMEIN-FORWARD {
+		# This chain will be managed and filled by letmeind.
+		# Do NOT put manual rules here.
+	}
+
+	chain LETMEIN-OUTPUT {
+		# This chain will be managed and filled by letmeind.
+		# Do NOT put manual rules here.
+	}
+
 	chain INPUT {
 		type filter hook input priority filter; policy drop;
 
@@ -36,6 +46,8 @@ table inet filter {
 
 		# Put your static rules here...
 
+		jump LETMEIN-FORWARD # Jump to letmein dynamic rules.
+
 		reject
 	}
 
@@ -48,6 +60,8 @@ table inet filter {
 		meta l4proto ipv6-icmp accept
 		meta l4proto icmp accept
 
+		jump LETMEIN-OUTPUT # Jump to letmein dynamic rules.
+
 		# TODO: Put your static rules here...
 		meta l4proto udp accept # Accept all outgoing UDP.
 		meta l4proto tcp accept # Accept all outgoing TCP.