+ if [ "$bootif_mac" = "$current_mac" ]
+ then
+ DEVICE=${device##*/}
+ break
+ fi
+ fi
+ done
+ fi
+
+ # if ethdevice was not specified on the kernel command line
+ # make sure we try to get a working network configuration
+ # for *every* present network device (except for loopback of course)
+ if [ -z "$ETHDEVICE" ] ; then
+ echo "If you want to boot from a specific device use bootoption ethdevice=..."
+ for device in /sys/class/net/*; do
+ dev=${device##*/} ;
+ if [ "$dev" != "lo" ] ; then
+ ETHDEVICE="$ETHDEVICE $dev"
+ fi
+ done
+ fi
+
+ # split args of ethdevice=eth0,eth1 into "eth0 eth1"
+ for device in $(echo $ETHDEVICE | sed 's/,/ /g') ; do
+ devlist="$devlist $device"
+ done
+
+ # this is tricky (and ugly) because ipconfig sometimes just hangs/runs into
+ # an endless loop; iff execution fails give it two further tries, that's
+ # why we use '$devlist $devlist $devlist' for the other for loop
+ for dev in $devlist $devlist $devlist ; do
+ echo "Executing ipconfig -t $ETHDEV_TIMEOUT $dev"
+ ipconfig -t "$ETHDEV_TIMEOUT" $dev | tee -a /netboot.config &
+ jobid=$!
+ sleep "$ETHDEV_TIMEOUT" ; sleep 1
+ if [ -r /proc/"$jobid"/status ] ; then
+ echo "Killing job $jobid for device $dev as ipconfig ran into recursion..."
+ kill -9 $jobid
+ fi
+
+ # if configuration of device worked we should have an assigned
+ # IP address, iff so let's use the according as $DEVICE for later usage
+ # simple and primitive approach which seems to work fine
+ if ifconfig $dev | grep -q 'inet.*addr:' ; then
+ export DEVICE="$dev"
+ break
+ fi
+ done
+
+ else
+ for interface in ${DEVICE}; do
+ ipconfig -t "$ETHDEV_TIMEOUT" ${interface} | tee /netboot-${interface}.config
+ [ -e /tmp/net-${interface}.conf ] && . /tmp/net-${interface}.conf
+ if [ "$IPV4ADDR" != "0.0.0.0" ]
+ then
+ break
+ fi
+ done
+ fi
+
+ for interface in ${DEVICE}; do
+ # source relevant ipconfig output
+ OLDHOSTNAME=${HOSTNAME}
+ [ -e /tmp/net-${interface}.conf ] && . /tmp/net-${interface}.conf
+ [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
+ export HOSTNAME
+
+ if [ -n "${interface}" ]
+ then
+ HWADDR="$(cat /sys/class/net/${interface}/address)"
+ fi
+
+ if [ ! -e "/etc/resolv.conf" ]
+ then
+ echo "Creating /etc/resolv.conf"
+
+ if [ -n "${DNSDOMAIN}" ]
+ then
+ echo "domain ${DNSDOMAIN}" > /etc/resolv.conf
+ echo "search ${DNSDOMAIN}" >> /etc/resolv.conf
+ fi