From bc662c04ae3f3a7d441a22bb5ca57c14dd57e81e Mon Sep 17 00:00:00 2001
From: "Michael K. Johnson" <johnsonm@redhat.com>
Date: Wed, 4 Aug 1999 23:52:11 +0000
Subject: take advantage of userpeerdns

---
 sysconfig/network-scripts/ifup-post | 31 +++++++++++++++++++++++++++++++
 sysconfig/network-scripts/ifup-ppp  |  3 +++
 2 files changed, 34 insertions(+)

(limited to 'sysconfig/network-scripts')

diff --git a/sysconfig/network-scripts/ifup-post b/sysconfig/network-scripts/ifup-post
index 6ddf2167..cd5b0267 100755
--- a/sysconfig/network-scripts/ifup-post
+++ b/sysconfig/network-scripts/ifup-post
@@ -28,6 +28,37 @@ if [ -n "$NEEDHOSTNAME" -a "${DEVICE}" != lo -a "${DEVICETYPE}" != "ppp" -a "${D
     eval `/bin/ipcalc --silent --hostname ${IPADDR}` && set_hostname $HOSTNAME
 fi
 
+if [ "$DEVICETYPE" = ppp -a "$PEERDNS" = yes -a -n "$DNS1" ] && 
+   tr=`mktemp /tmp/resolv.XXXXXX` ; then
+    # replace only the first two nameserver lines; cannot count on awk
+    # and do not know if sed is capable of this...
+    current_replacement="$DNS1"
+    next_replacement="$DNS2"
+    while read answer < /etc/resolv.conf ; do
+	case $answer in
+	    nameserver*)
+		if [ -n "$current_replacement" ] ; then
+		    echo "nameserver $current_replacement" >> $tr
+		    if [ -n "$next_replacement" ] ; then
+			current_replacement="$next_replacement"
+			next_replacement=
+		    else
+			current_replacement=
+		    fi
+		else
+		    echo "$answer" >> $tr
+		fi
+		;;
+	    *)
+		echo "$answer" >> $tr
+		;;
+	esac
+    done
+    # maintain permissions
+    cat $tr > /etc/resolv.conf
+    rm -f $tr
+fi
+
 # Notify programs that have requested notification
 do_netreport
 
diff --git a/sysconfig/network-scripts/ifup-ppp b/sysconfig/network-scripts/ifup-ppp
index 1727a778..ef5b0281 100755
--- a/sysconfig/network-scripts/ifup-ppp
+++ b/sysconfig/network-scripts/ifup-ppp
@@ -57,6 +57,9 @@ fi
 if [ "${DEFROUTE}" = yes ] ; then
   opts="$opts defaultroute"
 fi
+if [ "${PEERDNS}" = yes ] ; then
+  opts="$opts usepeerdns"
+fi
 if [ -n "${MRU}" ] ; then
   opts="$opts mru ${MRU}"
 fi
-- 
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