diff options
Diffstat (limited to 'initramfs-tools/scripts/live-bottom/23networking')
-rwxr-xr-x | initramfs-tools/scripts/live-bottom/23networking | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/initramfs-tools/scripts/live-bottom/23networking b/initramfs-tools/scripts/live-bottom/23networking new file mode 100755 index 0000000..86d4562 --- /dev/null +++ b/initramfs-tools/scripts/live-bottom/23networking @@ -0,0 +1,157 @@ +#!/bin/sh + +#set -e + +# initramfs-tools header + +PREREQ="" + +prereqs() +{ + echo "${PREREQ}" +} + +case "${1}" in + prereqs) + prereqs + exit 0 + ;; +esac + +# live-boot header + +if [ -n "${NONETWORKING}" ] +then + exit 0 +fi + +. /scripts/live-functions + +log_begin_msg "Preconfiguring networking" + +# live-boot script + +IFFILE="/root/etc/network/interfaces" + +if [ "${STATICIP}" = "frommedia" -a -e "${IFFILE}" ] +then + # will use existent /etc/network/interfaces + log_end_msg + exit 0 +fi + +cat > "${IFFILE}" << EOF +auto lo +iface lo inet loopback + +EOF + +udevadm trigger +udevadm settle + +if [ -z "${NETBOOT}" -a -n "${STATICIP}" -a "${STATICIP}" != "frommedia" ] +then + parsed=$(echo "${STATICIP}" | sed -e 's/,/ /g') + + for ifline in ${parsed} + do + ifname="$(echo ${ifline} | cut -f1 -d ':')" + ifaddress="$(echo ${ifline} | cut -f2 -d ':')" + ifnetmask="$(echo ${ifline} | cut -f3 -d ':')" + ifgateway="$(echo ${ifline} | cut -f4 -d ':')" + +cat >> "${IFFILE}" << EOF +allow-hotplug ${ifname} +iface ${ifname} inet static + address ${ifaddress} + netmask ${ifnetmask} +EOF + +if [ -n "${ifgateway}" ] +then + +cat >> "${IFFILE}" << EOF + gateway ${ifgateway} + +EOF + +fi + + done +else + if [ -z "${NETBOOT}" ] || [ -n "${DHCP}" ] + then + # default, dhcp assigned + method="dhcp" + else + # make sure that the preconfigured interface would not get reassigned by dhcp + # on startup by ifup script - otherwise our root fs might be disconnected! + method="manual" + fi + + # iterate the physical interfaces and add them to the interfaces list and also add when ethdevice= called on cmdline + if [ "${method}" != dhcp ] || ([ ! -x /root/usr/sbin/NetworkManager ] && [ ! -x /root/usr/sbin/wicd ]) || [ ! -z "${ETHDEVICE}" ] + then + for interface in /sys/class/net/eth* /sys/class/net/ath* /sys/class/net/wlan* + do + [ -e ${interface} ] || continue + i="$(basename ${interface})" + +cat >> "${IFFILE}" << EOF +allow-hotplug ${i} +iface ${i} inet ${method} + +EOF + + done + fi + + if [ ! -f /root/etc/resolv.conf ] || [ -z "$(cat /root/etc/resolv.conf)" ] + then + if [ -f /netboot.config ] + then + # create a resolv.conf if it is not present or empty + cp /netboot.config /root/var/log/netboot.config + + rc_search=$(cat netboot.config | awk '/domain/{print $3}') + rc_server0=$(cat netboot.config | awk '/dns0/{print $5}') + rc_server1=$(cat netboot.config | awk '/dns0/{print $8}') + rc_server0="nameserver ${rc_server0}" + + if [ "${rc_server1}" = "0.0.0.0" ] + then + rc_server1="" + else + rc_server1="nameserver ${rc_server1}" + fi + +cat > /root/etc/resolv.conf << EOF +# /etc/resolv.conf +# Autogenerated by live-boot +search ${rc_search} +domain ${rc_search} +${rc_server0} +${rc_server1} +EOF + + cat /root/etc/resolv.conf >> /root/var/log/netboot.config + fi + fi +fi + +#if [ ! -x /root/usr/sbin/NetworkManager ] +#then +# for i in eth0 eth1 eth2 ath0 wlan0 +# do +# grep -q "iface ${i}" ${IFFILE} && continue +# +#cat >> "${IFFILE}" << EOF +#allow-hotplug ${i} +#iface ${i} inet dhcp +# +#EOF +# +# done +#fi + +log_end_msg |