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#!/bin/sh
# udhcpc script edited by Tim Riker <Tim@Rikers.org>
[ -z "$1" ] && echo "Error: should be called from udhcpc" && exit 1
RESOLV_CONF="/etc/resolv.conf"
[ -e $RESOLV_CONF ] || touch $RESOLV_CONF
[ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
[ -n "$subnet" ] && NETMASK="netmask $subnet"
case "$1" in
deconfig)
/sbin/ifconfig $interface up
/sbin/ifconfig $interface 0.0.0.0
# drop info from this interface
# resolv.conf may be a symlink to /tmp/, so take care
TMPFILE=$(mktemp)
grep -vE "# $interface\$" $RESOLV_CONF > $TMPFILE
cat $TMPFILE > $RESOLV_CONF
rm -f $TMPFILE
if [ -x /usr/sbin/avahi-autoipd ]; then
/usr/sbin/avahi-autoipd -k $interface
fi
;;
leasefail|nak)
if [ -x /usr/sbin/avahi-autoipd ]; then
/usr/sbin/avahi-autoipd -wD $interface --no-chroot
fi
;;
renew|bound)
if [ -x /usr/sbin/avahi-autoipd ]; then
/usr/sbin/avahi-autoipd -k $interface
fi
/sbin/ifconfig $interface $ip $BROADCAST $NETMASK
if [ -n "$router" ] ; then
echo "deleting routers"
while route del default gw 0.0.0.0 dev $interface 2> /dev/null; do
:
done
for i in $router ; do
route add default gw $i dev $interface
done
fi
# drop info from this interface
# resolv.conf may be a symlink to /tmp/, so take care
TMPFILE=$(mktemp)
grep -vE "# $interface\$" $RESOLV_CONF > $TMPFILE
cat $TMPFILE > $RESOLV_CONF
rm -f $TMPFILE
# prefer rfc3359 domain search list (option 119) if available
if [ -n "$search" ]; then
search_list=$search
elif [ -n "$domain" ]; then
search_list=$domain
fi
[ -n "$search_list" ] &&
echo "search $search_list # $interface" >> $RESOLV_CONF
for i in $dns ; do
echo adding dns $i
echo "nameserver $i # $interface" >> $RESOLV_CONF
done
;;
esac
HOOK_DIR="$0.d"
for hook in "${HOOK_DIR}/"*; do
[ -f "${hook}" -a -x "${hook}" ] || continue
"${hook}" "${@}"
done
exit 0
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