From e429663435443ce49293c6ff1b456371dca2ffc2 Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@robotics.uk.to>
Date: Sun, 15 Apr 2018 12:10:55 +0100
Subject: [PATCH] Create directory if needed

---
 src/freedombone-utils-firewall | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/freedombone-utils-firewall b/src/freedombone-utils-firewall
index fc1ff62f..06d2f98e 100755
--- a/src/freedombone-utils-firewall
+++ b/src/freedombone-utils-firewall
@@ -36,6 +36,9 @@ EXTERNAL_IPV4_ADDRESS=
 function save_firewall_settings {
     iptables-save > /etc/firewall.conf
     ip6tables-save > /etc/firewall6.conf
+    if [ ! -d /etc/network/if-up.d ]; then
+        mkdir /etc/network/if-up.d
+    fi
     printf '#!/bin/sh\n' > /etc/network/if-up.d/iptables
     printf 'iptables-restore < /etc/firewall.conf\n' >> /etc/network/if-up.d/iptables
     printf 'ip6tables-restore < /etc/firewall6.conf\n' >> /etc/network/if-up.d/iptables