1 files changed, 59 insertions, 0 deletions
diff --git a/package/base-files/default/sbin/ifup b/package/base-files/default/sbin/ifup
new file mode 100755
index 000000000..3d81364d0
--- /dev/null
+++ b/package/base-files/default/sbin/ifup
@@ -0,0 +1,59 @@
+#!/bin/ash
+[ $# = 0 ] && { echo "  $0 <group>"; exit; }
+. /etc/functions.sh
+type=$1
+debug "### ifup $type ###"
+
+if_proto=$(nvram get ${type}_proto)
+if=$(nvram get ${type}_ifname)
+[ "${if%%[0-9]}" = "ppp" ] && if=$(nvram get ${if_proto}_ifname)
+
+if_valid $if || exit 
+mac=$(nvram get ${type}_hwaddr)
+$DEBUG ifconfig $if down 2>&-
+
+if [ "${if%%[0-9]}" = "br" ]; then
+	stp=$(nvram get ${type}_stp)
+	$DEBUG brctl delbr $if 2>&-
+	$DEBUG brctl addbr $if
+	$DEBUG brctl setfd $if 0
+	$DEBUG brctl stp $if ${stp:-0}
+
+	for sif in $(nvram get ${type}_ifnames); do
+		if_valid $sif || continue
+		${mac:+$DEBUG ifconfig $sif down hw ether $mac}
+		$DEBUG ifconfig $sif 0.0.0.0 up
+		$DEBUG brctl addif $if $sif
+	done
+else
+	${mac:+$DEBUG ifconfig $if down hw ether $mac}
+fi
+
+case "$if_proto" in
+	static)
+		ip=$(nvram get ${type}_ipaddr)
+		netmask=$(nvram get ${type}_netmask)
+		gateway=$(nvram get ${type}_gateway)
+
+		$DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up
+		${gateway:+$DEBUG route add default gw $gateway}
+
+		[ -f /etc/resolv.conf ] && return
+
+		debug "# --- creating /etc/resolv.conf ---"
+		for dns in $(nvram get ${type}_dns); do
+			echo "nameserver $dns" >> /etc/resolv.conf
+		done
+	;;
+	dhcp)
+		ip=$(nvram get ${type}_ipaddr)
+		[ -f $pidfile ] && $DEBUG kill $(cat $pidfile)
+		${DEBUG:-eval} "udhcpc -R -i $if ${ip:+-r $ip} -b -p $pidfile &" 
+	;;
+	none|"")
+	;;
+	*)
+		[ -x "/sbin/ifup.${if_proto}" ] && { $DEBUG /sbin/ifup.${if_proto} $*; exit; }
+		echo "### ifup $type: ignored ${type}_proto=\"$if_proto\" (not supported)"
+	;;
+esac