DESCRIPTION="Preconfiguring networking..."
IFFILE="/root/etc/network/interfaces"
-. /scripts/functions
+. /scripts/casper-functions
prereqs()
{
log_begin_msg "$DESCRIPTION"
+if [ "${STATICIP}" == "frommedia" ] && [ -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
-udevplug -Bpci -Iclass="0x02*"
+udevtrigger
-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 $i inet dhcp
+if [ -z "${NETBOOT}" -a -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 ${ifline} | cut -f4 -d ',')"
+ cat >> "$IFFILE" <<EOF
+auto ${ifname}
+iface ${ifname} inet static
+ address ${ifaddress}
+ netmask ${ifnetmask}
+ gateway ${ifgateway}
EOF
-done
+ done
+else
+ if [ -z "${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
-for i in eth0 eth1 eth2 ath0 wlan0; do
- [ ! -e /sys/class/net/$i ] || continue
- cat >> "$IFFILE" <<EOF
-auto $i
-iface $i inet dhcp
+ # 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
+ done
+fi
log_end_msg