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diff --git a/examples/shell/disconnect-device.sh b/examples/shell/disconnect-device.sh
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+#!/bin/sh
+# vim: ft=sh ts=2 sts=2 sw=2 et ai
+# -*- Mode: sh; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Copyright (C) 2012 Red Hat, Inc.
+#
+
+# This example takes a device interface name as a parameter and tells
+# NetworkManager to disconnect that device (using Disconnect()), closing
+# down any network connection it may have
+
+NM_SERVICE_NAME="org.freedesktop.NetworkManager"
+NM_OBJECT_PATH="/org/freedesktop/NetworkManager"
+DEVICE_IFACE="org.freedesktop.NetworkManager.Device"
+DEVICE_DISCONNECT=${DEVICE_IFACE}".Disconnect"
+NM_GET_DEVICES="org.freedesktop.NetworkManager.GetDevices"
+DBUS_PROPERTIES_GET="org.freedesktop.DBus.Properties.Get"
+
+get_devices()
+{
+  dbus-send --system --print-reply --dest=$NM_SERVICE_NAME $NM_OBJECT_PATH $NM_GET_DEVICES | \
+    grep "object path" | cut -d '"' -f2
+}
+
+get_device_property()
+{
+  # first arg:  device object path
+  # second arg: property name
+  # returns:    property value
+
+  dbus-send --system --print-reply --dest=$NM_SERVICE_NAME "$1" $DBUS_PROPERTIES_GET string:$DEVICE_IFACE string:"$2" | \
+    grep "variant" | awk '{print $3}' | sed 's/"//g'
+}
+
+disconnect_device ()
+{
+  # first arg: device interface name
+
+  for device in `get_devices`
+  do
+    DEV_INTERFACE=`get_device_property "$device" "Interface"`
+
+    if [ "$DEV_INTERFACE" = "$1" ]; then
+      echo "Device with interface '$1' found -> disconnecting."
+      dbus-send --system --print-reply --dest=$NM_SERVICE_NAME $device $DEVICE_DISCONNECT
+      return 0
+    fi
+  done
+
+  echo "Device with interface '$1' not found."
+  return 1
+}
+
+
+# --- main program ---
+if [ ! -n "$1" ]; then
+  echo "Usage: `basename $0` <interface name>"
+  exit 2
+fi 
+
+# disconnect device
+disconnect_device $1
+