keep track of the network interface states (stored in uci format in /var/state/networ...

[openwrt/svn-archive/archive.git] / package / base-files / files / usr / share / udhcpc / default.script

diff --git a/package/base-files/files/usr/share/udhcpc/default.script b/package/base-files/files/usr/share/udhcpc/default.script
index c7239535660df4b91603741c54812a29e6cfe6ca..a3a696be70a5c361dcf282a6672a5898fe7f6358 100755 (executable)
--- a/package/base-files/files/usr/share/udhcpc/default.script
+++ b/package/base-files/files/usr/share/udhcpc/default.script
@@ -13,7 +13,13 @@ hotplug_event() {
 
                config_get proto $ifc proto
                [ "$proto" = "dhcp" ] || continue
-
+               [ ifup = "$1" ] && {
+                       uci set "/var/state/network.$ifc.ipaddr=$ip"
+                       uci set "/var/state/network.$ifc.netmask=${subnet:-255.255.255.0}"
+                       uci set "/var/state/network.$ifc.dnsdomain=$domain"
+                       uci set "/var/state/network.$ifc.dns=$dns"
+                       uci set "/var/state/network.$ifc.gateway=$router"
+               }
                env -i ACTION="$1" INTERFACE="$ifc" DEVICE="$ifname" PROTO=dhcp /sbin/hotplug-call iface
        done
 }
@@ -28,15 +34,17 @@ case "$1" in
                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 $interface >&- 2>&- ; do :; done
-                                       
+               [ -n "$router" ] && {
                        for i in $router ; do
                                echo "adding router $i"
                                route add default gw $i dev $interface
+                               valid="$valid|$i"
+
                        done
-               fi
+
+                       echo "deleting old routes"
+                       $(route -n | awk '/^0.0.0.0\W{9}('$valid')\W/ {next} /^0.0.0.0/ {print "route del -net "$1" gw "$2";"}')
+               }
                
                [ -n "$dns" ] && {
                        echo -n > $RESOLV_CONF