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#!/bin/sh
[ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1
. /etc/functions.sh
include /lib/network
RESOLV_CONF="/tmp/resolv.conf"
hotplug_event() {
scan_interfaces
for ifc in $interfaces; do
config_get ifname $ifc ifname
[ "$ifname" = "$interface" ] || continue
config_get proto $ifc proto
[ "$proto" = "dhcp" ] || continue
env -i ACTION="$1" INTERFACE="$ifc" DEVICE="$ifname" PROTO=dhcp /sbin/hotplug iface
done
}
case "$1" in
deconfig)
ifconfig $interface 0.0.0.0
hotplug_event ifdown
;;
renew|bound)
ifconfig $interface $ip \
netmask ${subnet:-255.255.255.0} \
broadcast ${broadcast:-+}
if [ -n "$router" ] ; then
echo "deleting routers"
while route del default gw 0.0.0.0 dev $interface >&- 2>&- ; do :; done
for i in $router ; do
echo "adding router $i"
route add default gw $i dev $interface
done
fi
[ -n "$dns" ] && {
echo -n > $RESOLV_CONF
${domain:+echo search $domain} >> $RESOLV_CONF
for i in $dns ; do
echo "adding dns $i"
echo "nameserver $i" >> $RESOLV_CONF
done
}
hotplug_event ifup
# user rules
[ -f /etc/udhcpc.user ] && . /etc/udhcpc.user
;;
esac
exit 0
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