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#!/usr/bin/env python
# SPDX-License-Identifier: GPL-2.0+
#
# Copyright (C) 2011 - 2012 Red Hat, Inc.
#
import dbus, sys
# This example indicates whether the default network connection is known to be WWAN
NM_DEVICE_TYPE_MODEM = 8
NM_DEVICE_TYPE_BLUETOOTH = 5
NM_SERVICE_NAME = "org.freedesktop.NetworkManager"
NM_MANAGER_IFACE = "org.freedesktop.NetworkManager"
DBUS_PROPS_IFACE = "org.freedesktop.DBus.Properties"
NM_ACTIVE_CONNECTION_INTERFACE = "org.freedesktop.NetworkManager.Connection.Active"
bus = dbus.SystemBus()
# Exit early if NetworkManager is not running
proxy = bus.get_object("org.freedesktop.DBus", "/org/freedesktop/DBus")
busdaemon = dbus.Interface(proxy, "org.freedesktop.DBus")
if not busdaemon.NameHasOwner(NM_SERVICE_NAME):
print("NetworkManager not running")
sys.exit(1)
# Get a proxy for the NetworkManager object
proxy = bus.get_object(NM_SERVICE_NAME, "/org/freedesktop/NetworkManager")
manager = dbus.Interface(proxy, NM_MANAGER_IFACE)
props = dbus.Interface(proxy, DBUS_PROPS_IFACE)
def found_connection_type(ctype):
if ctype == "":
print("No active connection")
elif ctype in ["gsm", "cdma", "bluetooth"]:
print("WWAN is default")
else:
print("WWAN is not default")
sys.exit(0)
# Shortcut #1, for NM 1.0
try:
ctype = props.Get(NM_MANAGER_IFACE, "PrimaryConnectionType")
found_connection_type(ctype)
except KeyError:
pass
# Shortcut #2, for NM 0.9.10
try:
primary = props.Get(NM_MANAGER_IFACE, "PrimaryConnection")
if not primary:
found_connection_type("")
primary_proxy = bus.get_object(NM_SERVICE_NAME, primary)
primary_props = dbus.Interface(primary_proxy, DBUS_PROPS_IFACE)
ctype = primary_props.Get(NM_ACTIVE_CONNECTION_INTERFACE, "Type")
found_connection_type(ctype)
except KeyError:
pass
# Fallback for NM 0.9.8 and earlier; look through all active network
# connections for the default one
default_is_wwan = False
active = props.Get(NM_MANAGER_IFACE, "ActiveConnections")
for a in active:
a_proxy = bus.get_object(NM_SERVICE_NAME, a)
a_props = dbus.Interface(a_proxy, DBUS_PROPS_IFACE)
all_props = a_props.GetAll(NM_ACTIVE_CONNECTION_INTERFACE)
# Ignore this network connection if it's not default for IPv4 or IPv6
if all_props["Default"] == False and all_props["Default6"] == False:
continue
dev_path = all_props["Devices"][0]
dev_proxy = bus.get_object(NM_SERVICE_NAME, dev_path)
dev_props = dbus.Interface(dev_proxy, DBUS_PROPS_IFACE)
devtype = dev_props.Get("org.freedesktop.NetworkManager.Device", "DeviceType")
if devtype == NM_DEVICE_TYPE_MODEM or devtype == NM_DEVICE_TYPE_BLUETOOTH:
default_is_wwan = True
break
if default_is_wwan:
print("WWAN is default")
else:
print("WWAN is not default")
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