Using multiple DNS-Server to get Segment of Node.

ffs-set-segment/files/usr/sbin/ffs-set-segment

@@ -25,16 +25,24 @@ PUBKEY=$(/etc/init.d/fastd show_key mesh_vpn | cut -c1-12)
 
 DNSDOM="freifunk-stuttgart.de"
 DNSREQ="ffs-${NODEID}-${PUBKEY}.segassign.${DNSDOM}"
+DNSLIST="::1#54 $(ip r | grep 'default' | cut -d' ' -f3) 9.9.9.9 1.1.1.1 8.8.8.8"
 
-logger -t $ME "DNSv6 on ${DNSREQ} ..."
-GITSEG=$(nslookup ${DNSREQ} ::1#54 | grep "2001:2:0:711::" | cut -d':' -f7)
-if [ -z "$GITSEG" ]; then
-  logger -t $ME "DNSv4 on ${DNSREQ} ..."
-  GITSEG=$(nslookup ${DNSREQ} ::1#54 | grep "198.18.190." | cut -d'.' -f4)
-fi
+for DNSSRV in $DNSLIST;
+do
+  logger -t $ME "DNSv6 on ${DNSSRV} for ${DNSREQ} ..."
+  GITSEG=$(nslookup ${DNSREQ} ${DNSSRV} | grep "2001:2:0:711::" | cut -d':' -f7)
+  if [ -z "$GITSEG" ]; then
+    logger -t $ME "DNSv4 on ${DNSSRV} for ${DNSREQ} ..."
+    GITSEG=$(nslookup ${DNSREQ} ${DNSSRV} | grep "198.18.190." | cut -d'.' -f4)
+  fi
+  if [ -n "$GITSEG" ]; then
+    break
+  fi
+done
 
 if [ -z "$GITSEG" ]; then
   logger -t $ME "DNS not working!"
+  /etc/init.d/dnsmasq restart
   exit 1
 else
   if [ -n "$BATSEG" ] && [ "$BATSEG" != "$GITSEG" ]; then