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author | Daniel Baumann <mail@daniel-baumann.ch> | 2013-06-24 21:38:08 +0200 |
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committer | Daniel Baumann <mail@daniel-baumann.ch> | 2013-06-24 21:38:08 +0200 |
commit | a331218718282c5496ff062a0f6aa55908224862 (patch) | |
tree | d42688bb069ed11d54ca122c64884661c2f2bcd8 /components/9990-netbase.sh | |
parent | 0aa07bd386f516176364e710e8b9132036c72986 (diff) | |
download | live-boot-a331218718282c5496ff062a0f6aa55908224862.tar.gz live-boot-a331218718282c5496ff062a0f6aa55908224862.zip |
Reorganizing components in source tree.
Diffstat (limited to 'components/9990-netbase.sh')
-rwxr-xr-x | components/9990-netbase.sh | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/components/9990-netbase.sh b/components/9990-netbase.sh new file mode 100755 index 0000000..b3f886c --- /dev/null +++ b/components/9990-netbase.sh @@ -0,0 +1,139 @@ +#!/bin/sh + +#set -e + +Netbase () +{ + if [ -n "${NONETWORKING}" ] + then + return + fi + + # FIXME: stop hardcoding overloading of initramfs-tools functions + . /scripts/functions + . /lib/live/boot/9990-initramfs-tools.sh + + log_begin_msg "Preconfiguring networking" + + IFFILE="/root/etc/network/interfaces" + DNSFILE="/root/etc/resolv.conf" + + if [ "${STATICIP}" = "frommedia" ] && [ -e "${IFFILE}" ] + then + # will use existent /etc/network/interfaces + log_end_msg + return + fi + +cat > "${IFFILE}" << EOF +auto lo +iface lo inet loopback + +EOF + + udevadm trigger + udevadm settle + + if [ -z "${NETBOOT}" ] && [ -n "${STATICIP}" ] && [ "${STATICIP}" != "frommedia" ] + then + parsed=$(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 ${ifline} | cut -f4 -d ':')" + nameserver="$(echo ${ifline} | cut -f5 -d ':')" + +cat >> "${IFFILE}" << EOF +allow-hotplug ${ifname} +iface ${ifname} inet static + address ${ifaddress} + netmask ${ifnetmask} +EOF + + if [ -n "${ifgateway}" ] + then + +cat >> "${IFFILE}" << EOF + gateway ${ifgateway} + +EOF + + fi + + if [ -n "${nameserver}" ] + then + if [ -e "${DNSFILE}" ] + then + grep -v ^nameserver "${DNSFILE}" > "${DNSFILE}.tmp" + mv "${DNSFILE}.tmp" "${DNSFILE}" + fi + + echo "nameserver ${nameserver}" >> "${DNSFILE}" + 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 + + log_end_msg +} |