From b2dfe10a5a36f8b29ad0e8464a99c7bfc4863eb7 Mon Sep 17 00:00:00 2001
From: nacho <nacho.nunez@aoifes.com>
Date: Wed, 26 Jul 2017 06:49:52 +0200
Subject: [PATCH] dnsmasq detect ip

---
 etc/nextcloudpi-config.d/dnsmasq.sh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/etc/nextcloudpi-config.d/dnsmasq.sh b/etc/nextcloudpi-config.d/dnsmasq.sh
index a3f70a61e..c59cf5d5d 100644
--- a/etc/nextcloudpi-config.d/dnsmasq.sh
+++ b/etc/nextcloudpi-config.d/dnsmasq.sh
@@ -16,7 +16,6 @@
 
 ACTIVE_=no
 DOMAIN_=mycloud.ownyourbits.com
-IP_=127.0.0.1
 DNSSERVER_=8.8.8.8
 CACHESIZE_=150 
 DESCRIPTION="DNS server with cache"
@@ -41,6 +40,11 @@ configure()
 {
   [[ $ACTIVE_ != "yes" ]] && { service dnsmasq stop; update-rc.d dnsmasq disable; return; }
 
+  local IFACE=$( ip r | grep "default via"   | awk '{ print $5 }' )
+  local    IP=$( ip a | grep "global $IFACE" | grep -oP '\d{1,3}(.\d{1,3}){3}' | head -1 )
+
+  [[ "$IP" == "" ]] && { echo "could not detect IP"; return 1; }
+  
   cat > /etc/dnsmasq.conf <<EOF
 domain-needed         # Never forward plain names (without a dot or domain part)
 bogus-priv            # Never forward addresses in the non-routed address spaces.
@@ -48,7 +52,7 @@ no-poll               # Don't poll for changes in /etc/resolv.conf
 no-resolv             # Don't use /etc/resolv.conf or any other file
 cache-size=$CACHESIZE_ 
 server=$DNSSERVER_
-address=/$DOMAIN_/$IP_  # This is optional if we add it to /etc/hosts
+address=/$DOMAIN_/$IP  # This is optional if we add it to /etc/hosts
 EOF
 
   sed -i 's|#\?IGNORE_RESOLVCONF=.*|IGNORE_RESOLVCONF=yes|' /etc/default/dnsmasq