comgt: make firewalling changes when umts goes up or down

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5476 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/comgt/files/3g.iface b/package/comgt/files/3g.iface
index a8476ca..cd4e4cc 100644 (file)
--- a/package/comgt/files/3g.iface
+++ b/package/comgt/files/3g.iface
@@ -3,8 +3,19 @@ config_load network
 scan_interfaces
 config_get proto "$INTERFACE" proto
 [ "$proto" = "3g" ] && {
+       config_get iface "$INTERFACE" ifname
        case "$ACTION" in
-               ifup) set_3g_led 1 1 0;;
-               ifdown) set_3g_led 0 0 0;;
+               ifup)
+                       iptables -I LAN_ACCEPT 1 -i "$iface" -j RETURN
+                       iptables -A FORWARD -o "$iface" -j ACCEPT
+                       iptables -t nat -A POSTROUTING -o "$iface" -j MASQUERADE 
+                       set_3g_led 1 1 0
+               ;;
+               ifdown)
+                       iptables -D LAN_ACCEPT -i "$iface" -j RETURN
+                       iptables -D FORWARD -o "$iface" -j ACCEPT
+                       iptables -t nat -D POSTROUTING -o "$iface" -j MASQUERADE 
+                       set_3g_led 0 0 0
+               ;;
        esac
 }