blob: 0c9d15ba12886653b802bc03f78a93f3e676ef1a [file] [log] [blame]
#!/bin/sh
if [ ! -x /usr/sbin/zeroconf ]; then
exit 0
fi
# IPv4 link-local addresses (zeroconf) are
# only applicable on the 'inet' address family
[ "X$ADDRFAM" != "Xinet" ] && exit 0
# However there are some methods where it doesn't
# make any sense to configure an IPv4LL address
# not on loopback
[ "X$METHOD" = "Xloopback" ] && exit 0
# not on ppp or wvdial either
[ "X$METHOD" = "Xppp" ] && exit 0
[ "X$METHOD" = "Xwvdial" ] && exit 0
# The administrator may have blacklisted interfaces
# or only want zeroconf in a fallback situation
[ -f /etc/default/zeroconf ] &&
. /etc/default/zeroconf
[ -n "$DISABLE" ] && exit 0
for BLACK in $IFBLACKLIST; do
case $IFACE in
$BLACK)
exit 0
;;
esac
done
# should we only allocate an address if we do not already have one?
if [ -n "$FALLBACK" ]; then
/sbin/ip addr show $IFACE scope global | grep -q "inet"
IP=$?
if [ $IP -eq 0 ]; then
/sbin/ip route add 169.254.0.0/16 dev $IFACE
exit 0
fi
fi
# otherwise, run if we aren't already going
if [ ! -r /var/run/zeroconf.$IFACE.pid ]; then
/usr/sbin/zeroconf -i $IFACE
fi
exit 0