#!/bin/sh
+# 'ip' just looks too weird. /sbin/ip looks less weird.
+ip=/usr/sbin/ip
+
make_resolv_conf() {
if [ x"$new_domain_name_servers" != x ]; then
cat /dev/null > /etc/resolv.conf.dhclient
case $nameserver in
fe80:*) zone_id="%$interface";;
FE80:*) zone_id="%$interface";;
- *) zone_id='';;
+ *) zone_id="";;
esac
echo nameserver ${nameserver}$zone_id >> /etc/resolv.conf.dhclient6
done
fi
}
-# Must be used on exit. Invokes the local dhcp client exit hooks, if any.
+# Must be used on exit. Invokes the local dhcp client exit hooks, if any.
exit_with_hooks() {
exit_status=$1
if [ -f /etc/dhclient-exit-hooks ]; then
if [ x$alias_subnet_mask != x ]; then
alias_subnet_arg="netmask $alias_subnet_mask"
fi
- if [ x$new_interface_mtu != x ]; then
- mtu_arg="mtu $new_interface_mtu"
- fi
+if [ x$new_interface_mtu != x ]; then
+ mtu_arg="mtu $new_interface_mtu"
+fi
if [ x$IF_METRIC != x ]; then
metric_arg="metric $IF_METRIC"
fi
if [ x$reason = xARPCHECK ] || [ x$reason = xARPSEND ]; then
exit_with_hooks 0
fi
-
+
if [ x$reason = xBOUND ] || [ x$reason = xRENEW ] || \
[ x$reason = xREBIND ] || [ x$reason = xREBOOT ]; then
current_hostname=`hostname`
hostname $new_host_name
fi
fi
-
+
if [ x$old_ip_address != x ] && [ x$alias_ip_address != x ] && \
[ x$alias_ip_address != x$old_ip_address ]; then
# Possible new alias. Remove old alias.
ifconfig $interface:0- 0.0.0.0
fi
- if [ x$old_ip_address != x ] && [ x$old_ip_address != x$new_ip_address ]; then
+ if [ x$old_ip_address != x ] && \
+ [ x$old_ip_address != x$new_ip_address ]; then
# IP address changed. Bringing down the interface will delete all routes,
# and clear the ARP cache.
ifconfig $interface 0.0.0.0 down
[ x$reason = xBOUND ] || [ x$reason = xREBOOT ]; then
ifconfig $interface $new_ip_address $new_subnet_arg \
- $new_broadcast_arg $mtu_arg $metric_arg
+ $new_broadcast_arg $mtu_arg
for router in $new_routers; do
if [ "x$new_subnet_mask" = "x255.255.255.255" ] ; then
route add -host $router dev $interface
fi
- route add default gw $router
+ route add default gw $router $metric_arg dev $interface
done
- else
- # we haven't changed the address, have we changed other options
+ else
+ # we haven't changed the address, have we changed other options
# that we wish to update?
if [ x$new_routers != x ] && [ x$new_routers != x$old_routers ] ; then
# if we've changed routers delete the old and add the new.
$LOGGER "New Routers: $new_routers"
for router in $old_routers; do
- route delete default $router
+ route del default gw $router
done
for router in $new_routers; do
if [ "x$new_subnet_mask" = "x255.255.255.255" ] ; then
route add -host $router dev $interface
fi
- route add default gw $router
+ route add default gw $router $metric_arg dev $interface
done
fi
fi
ifconfig $interface:0- 0.0.0.0
fi
ifconfig $interface $new_ip_address $new_subnet_arg \
- $new_broadcast_arg $mtu_arg $metric_arg
+ $new_broadcast_arg $mtu_arg
set $new_routers
if ping -q -c 1 $1; then
if [ x$new_ip_address != x$alias_ip_address ] && \
if [ "x$new_subnet_mask" = "x255.255.255.255" ] ; then
route add -host $router dev $interface
fi
- route add default gw $router
+ route add default gw $router $metric_arg dev $interface
done
make_resolv_conf
exit_with_hooks 0
if [ x$reason = xPREINIT6 ]; then
# Ensure interface is up.
- ifconfig ${interface} up
+ ${ip} link set ${interface} up
# Remove any stale addresses from aborted clients.
- ip -f inet6 addr flush dev ${interface} scope global
+ ${ip} -f inet6 addr flush dev ${interface} scope global permanent
exit_with_hooks 0
fi
exit_with_hooks 2;
fi
- ifconfig ${interface} inet6 ${new_ip6_address}/${new_ip6_prefixlen} alias
+ ${ip} -f inet6 addr add ${new_ip6_address}/${new_ip6_prefixlen} \
+ dev ${interface} scope global
# Check for nameserver options.
make_resolv_conf
exit_with_hooks 2;
fi
- ifconfig ${interface} inet6 ${new_ip6_address}/${new_ip6_prefixlen} alias
+ ${ip} -f inet6 addr add ${new_ip6_address}/${new_ip6_prefixlen} \
+ dev ${interface} scope global
# Make sure nothing has moved around on us.
fi
if [ x$reason = xDEPREF6 ]; then
- if [ x${new_ip6_address} = x ] ; then
+ if [ x${new_ip6_prefixlen} = x ] ; then
exit_with_hooks 2;
fi
- ifconfig ${interface} inet6 ${new_ip6_address} deprecated
+ ${ip} -f inet6 addr change ${new_ip6_address}/${new_ip6_prefixlen} \
+ dev ${interface} scope global preferred_lft 0
exit_with_hooks 0
fi
exit_with_hooks 2;
fi
- ifconfig ${interface} inet6 ${old_ip6_address}/${old_ip6_prefixlen} -alias
+ ${ip} -f inet6 addr del ${old_ip6_address}/${old_ip6_prefixlen} \
+ dev ${interface}
exit_with_hooks 0
fi