From 4da6a8e354f8f33fdd793414cfb051f486a0e7ec Mon Sep 17 00:00:00 2001
From: Marc Fiuczynski <mef@cs.princeton.edu>
Date: Tue, 29 Jan 2008 22:17:49 +0000
Subject: [PATCH] Fix for myplc-native:  - only create a new /etc/resolv.conf
 if PLC_NET_DNS1 or PLC_NET_DNS2    is specified

---
 plc.d/network | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/plc.d/network b/plc.d/network
index 6fac27b..5d3d443 100755
--- a/plc.d/network
+++ b/plc.d/network
@@ -46,12 +46,18 @@ case "$1" in
 	rm -f $hfile
 
 	# Set up nameservers
+	rfile=$(mktemp)
 	(
 	    echo "; generated by /etc/plc.d/network"
 	    [ -n "$PLC_NET_DNS1" ] && echo "nameserver $PLC_NET_DNS1"
 	    [ -n "$PLC_NET_DNS2" -a "$PLC_NET_DNS1" != "$PLC_NET_DNS2" ] && echo "nameserver $PLC_NET_DNS2"
-	) > /etc/resolv.conf
-	chmod +r /etc/resolv.conf
+	) > $rfile
+	if [ -n "$PLC_NET_DNS1" -o -n "$PLC_NET_DNS2" ] ; then
+	    mv $rfile /etc/resolv.conf
+	    chmod 444 /etc/resolv.conf
+	else
+	    rm -f $rfile
+	fi
 
 	result "$MESSAGE"
 	;;
-- 
2.47.0