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#!/usr/bin/env python
# SPDX-License-Identifier: GPL-2.0-or-later
#
# Copyright (C) 2010 Red Hat, Inc.
#
import dbus, sys
# This example takes a device interface name as a parameter and tells
# NetworkManager to disconnect that device, closing down any network
# connection it may have
if len(sys.argv) != 2:
raise Exception("Usage: %s <interface>" % sys.argv[0])
bus = dbus.SystemBus()
# Get a proxy for the base NetworkManager object
proxy = bus.get_object(
"org.freedesktop.NetworkManager", "/org/freedesktop/NetworkManager"
)
manager = dbus.Interface(proxy, "org.freedesktop.NetworkManager")
dpath = None
# Find the device the user wants to disconnect
devices = manager.GetDevices()
for d in devices:
dev_proxy = bus.get_object("org.freedesktop.NetworkManager", d)
prop_iface = dbus.Interface(dev_proxy, "org.freedesktop.DBus.Properties")
iface = prop_iface.Get("org.freedesktop.NetworkManager.Device", "Interface")
if iface == sys.argv[1]:
dpath = d
break
if not dpath or not len(dpath):
raise Exception("NetworkManager knows nothing about %s" % sys.argv[1])
dev_proxy = bus.get_object("org.freedesktop.NetworkManager", dpath)
dev_iface = dbus.Interface(dev_proxy, "org.freedesktop.NetworkManager.Device")
prop_iface = dbus.Interface(dev_proxy, "org.freedesktop.DBus.Properties")
# Make sure the device is connected before we try to disconnect it
state = prop_iface.Get("org.freedesktop.NetworkManager.Device", "State")
if state <= 3:
raise Exception("Device %s isn't connected" % sys.argv[1])
# Tell NM to disconnect it
dev_iface.Disconnect()
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