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|
#! /bin/sh
PREREQ=""
DESCRIPTION="Preconfiguring networking..."
IFFILE="/root/etc/network/interfaces"
. /scripts/casper-functions
prereqs()
{
echo "$PREREQ"
}
case $1 in
# get pre-requisites
prereqs)
prereqs
exit 0
;;
esac
log_begin_msg "$DESCRIPTION"
if [ "${STATICIP}" = "frommedia" -a -e "$IFFILE" ] ; then
# will use existent /etc/network/interfaces
log_end_msg
exit 0
fi
cat > "$IFFILE" <<EOF
auto lo
iface lo inet loopback
EOF
udevtrigger
udevsettle
if [ -z "${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
auto ${ifname}
iface ${ifname} inet static
address ${ifaddress}
netmask ${ifnetmask}
gateway ${ifgateway}
EOF
done
else
if [ -z "${NETBOOT}" ]; 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
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
auto $i
iface $i inet ${method}
EOF
done
if [ ! -f /root/etc/resolv.conf -a -f /netboot.config ] ; then
# create a resolv.conf if it is not present
cp /netboot.config /root/var/log/netboot.config
rc_search=$(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 casper
search ${rc_search}
domain ${rc_search}
${rc_server0}
${rc_server1}
EOF
cat /root/etc/resolv.conf >> /root/var/log/netboot.config
fi
fi
log_end_msg
|
