--- busybox-1.00/.pc/udhcpscript.patch/examples/udhcp/simple.script	2004-10-13 00:18:05.000000000 -0700
+++ busybox-1.00/examples/udhcp/simple.script	2005-06-05 15:08:28.432605118 -0700
@@ -1,40 +1,101 @@
 #!/bin/sh
+# slugos UDHCP client script
+# this must set the HW address (MAC) on the interface
+#
+. /etc/default/functions
 
-# udhcpc script edited by Tim Riker <Tim@Rikers.org>
 
-[ -z "$1" ] && echo "Error: should be called from udhcpc" && exit 1
+echodns(){
+	local dns
+	if test $# -gt 0
+	then
+		for dns in "$@"
+		do
+			echo "nameserver $dns"
+		done
+	fi
+}
+
+# Output the correct contents for resolv.conf
+mkresolv() {
+	test -n "$domain" && echo "search $domain"
+	echodns $dns
+}
+
+# checksum of a file (or stdin if -)
+md5strm() {
+	md5sum $1 2>/dev/null | sed -n 's/^\([0-9A-Za-z]*\).*$/\1/p'
+}
+
+bind() {
+	local B N metric i olddomain
+	B=
+	test -n "$broadcast" && B="broadcast $broadcast"
+	N=
+	test -n "$subnet" && N="netmask $subnet"
+	ifconfig "$interface" "$ip" $B $N up
+
+	# If given router information delete the old information and
+	# enter new stuff, routers get metrics incremented by 1
+	# between each (this is somewhat arbitrary)
+	if test -n "$router"
+	then
+		while route del default gw 0.0.0.0 dev $interface 2>/dev/null
+		do
+			:
+		done
 
-RESOLV_CONF="/etc/resolv.conf"
-[ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
-[ -n "$subnet" ] && NETMASK="netmask $subnet"
+		metric=0
+		for i in $router
+		do
+			route add default gw "$i" dev "$interface" metric $((metric++))
+		done
+	fi
+
+	olddomain=
+	test -r /etc/defaultdomain && olddomain="$(cat /etc/defaultdomain)"
+	if test -n "$domain" -a "$domain" != "$olddomain"
+	then
+		echo "$domain" >/etc/defaultdomain
+		# and update the kernel view too
+		echo "$domain" >/proc/sys/kernel/domainname
+	fi
+
+	# Update /etc/resolv.conf to reflect domain and dns information,
+	# this always clears resolv.conf if none is given
+	md5old="$(md5strm /etc/resolv.conf)"
+	md5new="$(mkresolv | md5strm -)"
+	test "$md5old" != "$md5new" && mkresolv >/etc/resolv.conf
+}
 
 case "$1" in
-	deconfig)
-		/sbin/ifconfig $interface 0.0.0.0
-		;;
-
-	renew|bound)
-		/sbin/ifconfig $interface $ip $BROADCAST $NETMASK
-
-		if [ -n "$router" ] ; then
-			echo "deleting routers"
-			while route del default gw 0.0.0.0 dev $interface ; do
-				:
-			done
-
-			metric=0
-			for i in $router ; do
-				route add default gw $i dev $interface metric $((metric++))
-			done
+deconfig)
+	# Bring the interface up (without inet at this point)
+	ifconfig "$interface" up;;
+
+renew|bound)
+	bind;;
+
+leasefail)
+	# Pull the values from the config data if (only only if) this
+	# is the config interface
+	if test "$interface" = "$(config iface)"
+	then
+		ip="$(config ip)"
+		if test -n "$ip"
+		then
+			router="$(config gateway)"
+			subnet="$(config netmask)"
+			broadcast="$(config broadcast)"
+			domain="$(config domain)"
+			dns="$(config dns)"
+
+			bind
 		fi
+	fi;;
 
-		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
-		done
-		;;
+*)	echo "udhcpc: $*: unknown command" >&2
+	exit 1;;
 esac
 
 exit 0