+++ /dev/null
-#!/bin/sh
-
-#set -e
-
-Device_from_bootif ()
-{
- # support for Syslinux IPAPPEND parameter
- # it sets the BOOTIF variable on the kernel parameter
-
- if [ -n "${BOOTIF}" ]
- then
- # pxelinux sets BOOTIF to a value based on the mac address of the
- # network card used to PXE boot, so use this value for DEVICE rather
- # than a hard-coded device name from initramfs.conf. this facilitates
- # network booting when machines may have multiple network cards.
- # pxelinux sets BOOTIF to 01-$mac_address
-
- # strip off the leading "01-", which isn't part of the mac
- # address
- temp_mac=${BOOTIF#*-}
-
- # convert to typical mac address format by replacing "-" with ":"
- bootif_mac=""
- IFS='-'
- for x in $temp_mac
- do
- if [ -z "$bootif_mac" ]
- then
- bootif_mac="$x"
- else
- bootif_mac="$bootif_mac:$x"
- fi
- done
- unset IFS
-
- # look for devices with matching mac address, and set DEVICE to
- # appropriate value if match is found.
-
- for device in /sys/class/net/*
- do
- if [ -f "$device/address" ]
- then
- current_mac=$(cat "$device/address")
-
- if [ "$bootif_mac" = "$current_mac" ]
- then
- DEVICE=${device##*/}
- break
- fi
- fi
- done
- fi
-
-}
-
-do_netsetup ()
-{
- modprobe -q af_packet # For DHCP
-
- udevadm trigger
- udevadm settle
-
- [ -n "$ETHDEV_TIMEOUT" ] || ETHDEV_TIMEOUT=15
- echo "Using timeout of $ETHDEV_TIMEOUT seconds for network configuration."
-
- if [ -z "${NETBOOT}" ] && [ -z "${FETCH}" ] && [ -z "${HTTPFS}" ] && [ -z "${FTPFS}" ]
- then
- # See if we can select the device from BOOTIF
- Device_from_bootif
-
- # if ethdevice was not specified on the kernel command line
- # make sure we try to get a working network configuration
- # for *every* present network device (except for loopback of course)
- if [ -z "$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 $device"
- done
-
- # this is tricky (and ugly) because ipconfig sometimes just hangs/runs into
- # an endless loop; if execution fails give it two further tries, that's
- # why we use '$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, if so let's use the device 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 /run/net-${interface}.conf ] && . /run/net-${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 /run/net-${interface}.conf ] && . /run/net-${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
-
- for i in ${IPV4DNS0} ${IPV4DNS1} ${IPV4DNS1}
- do
- if [ -n "$i" ] && [ "$i" != 0.0.0.0 ]
- then
- echo "nameserver $i" >> /etc/resolv.conf
- fi
- done
- fi
-
- # Check if we have a network device at all
- if ! ls /sys/class/net/"$interface" > /dev/null 2>&1 && \
- ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \
- ! ls /sys/class/net/wlan0 > /dev/null 2>&1 && \
- ! ls /sys/class/net/ath0 > /dev/null 2>&1 && \
- ! ls /sys/class/net/ra0 > /dev/null 2>&1
- then
- panic "No supported network device found, maybe a non-mainline driver is required."
- fi
- done
-}
projects / live-boot-grml.git / blobdiff