Added support for 2.6.27 kernel
[openwrt.git] / package / base-files / files / usr / share / udhcpc / default.script
index c723953..0eb044c 100755 (executable)
@@ -13,7 +13,13 @@ hotplug_event() {
 
                config_get proto $ifc proto
                [ "$proto" = "dhcp" ] || continue
-
+               [ ifup = "$1" ] && {
+                       uci_set_state network "$ifc" ipaddr "$ip"
+                       uci_set_state network "$ifc" netmask "${subnet:-255.255.255.0}"
+                       uci_set_state network "$ifc" dnsdomain "$domain"
+                       uci_set_state network "$ifc" dns "$dns"
+                       uci_set_state network "$ifc" gateway "$router"
+               }
                env -i ACTION="$1" INTERFACE="$ifc" DEVICE="$ifname" PROTO=dhcp /sbin/hotplug-call iface
        done
 }
@@ -28,26 +34,33 @@ 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
-                       ${domain:+echo search $domain} >> $RESOLV_CONF
+                       echo -n > "${RESOLV_CONF}.tmp"
+                       ${domain:+echo search $domain} >> "${RESOLV_CONF}.tmp"
                        for i in $dns ; do
                                echo "adding dns $i"
-                               echo "nameserver $i" >> $RESOLV_CONF
+                               echo "nameserver $i" >> "${RESOLV_CONF}.tmp"
                        done
+                       mv "${RESOLV_CONF}.tmp" "$RESOLV_CONF"
                }
                
-               hotplug_event ifup
+               if [ "$1" = "renew" ]; then
+                       hotplug_event update
+               else
+                       hotplug_event ifup
+               fi
                
                # user rules
                [ -f /etc/udhcpc.user ] && . /etc/udhcpc.user
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