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#!/bin/ash
[ $# = 0 ] && { echo " $0 <group>"; exit; }
. /etc/functions.sh
. /etc/network.overrides
[ "$FAILSAFE" != "true" -a -e /etc/config/network ] && . /etc/config/network
type=$1
debug "### ifup $type ###"
if_proto=$(nvram get ${type}_proto)
[ "${if_proto}" = "pppoa" ] || {
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 $if down 2>&-
pidfile=/var/run/${if}.pid
[ -f $pidfile ] && $DEBUG kill $(cat $pidfile)
if [ "${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)
${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
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