update example udhcpc script

diff --git a/examples/udhcp/simple.script b/examples/udhcp/simple.script
index 98ebc159f0e5c5a477bab2f2a4827882c2866791..ae093164092c8b86ab9bc272a893b6c27f0d0d79 100644 (file)
--- 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