update example udhcpc script

1 files changed, 15 insertions, 8 deletions

diff --git a/examples/udhcp/simple.script b/examples/udhcp/simple.script
index 98ebc159f..ae0931640 100644
--- a/examples/udhcp/simple.script
+++ b/examples/udhcp/simple.script
@@ -5,35 +5,42 @@
 [ -z "$1" ] && echo "Error: should be called from udhcpc" && exit 1
 
 RESOLV_CONF="/etc/resolv.conf"
-[ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
+NETMASK=""
 [ -n "$subnet" ] && NETMASK="netmask $subnet"
+BROADCAST="broadcast +"
+[ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
 
 case "$1" in
         deconfig)
-                /sbin/ifconfig $interface 0.0.0.0
+                echo "Setting IP address 0.0.0.0 on $interface"
+                ifconfig $interface 0.0.0.0
                 ;;
 
         renew|bound)
-                /sbin/ifconfig $interface $ip $BROADCAST $NETMASK
+                echo "Setting IP address $ip on $interface"
+                ifconfig $interface $ip $NETMASK $BROADCAST
 
                 if [ -n "$router" ] ; then
-                        echo "deleting routers"
+                        echo "Deleting routers"
                         while route del default gw 0.0.0.0 dev $interface ; do
                                 :
                         done
 
                         metric=0
                         for i in $router ; do
+                                echo "Adding router $i"
                                 route add default gw $i dev $interface metric $((metric++))
                         done
                 fi
 
-                echo -n > $RESOLV_CONF
-                [ -n "$domain" ] && echo search $domain >> $RESOLV_CONF
+                echo "Recreating $RESOLV_CONF"
+                echo -n > $RESOLV_CONF-$$
+                [ -n "$domain" ] && echo search $domain >> $RESOLV_CONF-$$
                 for i in $dns ; do
-                        echo adding dns $i
-                        echo nameserver $i >> $RESOLV_CONF
+                        echo " Adding DNS server $i"
+                        echo nameserver $i >> $RESOLV_CONF-$$
                 done
+                mv $RESOLV_CONF-$$ $RESOLV_CONF
                 ;;
 esac