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#!/usr/bin/env python
# SPDX-License-Identifier: GPL-2.0-or-later
#
# Copyright (C) 2014 Red Hat, Inc.
#
#
# This example updates a connection's IPv4 method with the Update() method.
#
# This uses the new NM 1.0 setting properties. See add-connection-compat.py
# for a similar example using the backward-compatible properties
#
# Configuration settings are described at
# https://networkmanager.dev/docs/api/latest/ref-settings.html
#
import dbus, sys
if len(sys.argv) < 3:
print("Usage: %s <uuid> <auto|static> [address prefix gateway]" % sys.argv[0])
sys.exit(1)
method = sys.argv[2]
if method == "static" and len(sys.argv) < 5:
print("Usage: %s %s static address prefix [gateway]" % (sys.argv[0], sys.argv[1]))
sys.exit(1)
# Convert method to NM method
if method == "static":
method = "manual"
bus = dbus.SystemBus()
proxy = bus.get_object(
"org.freedesktop.NetworkManager", "/org/freedesktop/NetworkManager/Settings"
)
settings = dbus.Interface(proxy, "org.freedesktop.NetworkManager.Settings")
for c_path in settings.ListConnections():
c_proxy = bus.get_object("org.freedesktop.NetworkManager", c_path)
c_obj = dbus.Interface(
c_proxy, "org.freedesktop.NetworkManager.Settings.Connection"
)
c_settings = c_obj.GetSettings()
# Look for the requested connection UUID
if c_settings["connection"]["uuid"] != sys.argv[1]:
continue
# add IPv4 setting if it doesn't yet exist
if "ipv4" not in c_settings:
c_settings["ipv4"] = {}
# clear existing address info
if c_settings["ipv4"].has_key("addresses"):
del c_settings["ipv4"]["addresses"]
if c_settings["ipv4"].has_key("address-data"):
del c_settings["ipv4"]["address-data"]
if c_settings["ipv4"].has_key("gateway"):
del c_settings["ipv4"]["gateway"]
# set the method and change properties
c_settings["ipv4"]["method"] = method
if method == "manual":
# Add the static IP address, prefix, and (optional) gateway
addr = dbus.Dictionary(
{"address": sys.argv[3], "prefix": dbus.UInt32(int(sys.argv[4]))}
)
c_settings["ipv4"]["address-data"] = dbus.Array(
[addr], signature=dbus.Signature("a{sv}")
)
if len(sys.argv) == 6:
c_settings["ipv4"]["gateway"] = sys.argv[5]
# Save all the updated settings back to NetworkManager
c_obj.Update(c_settings)
break
sys.exit(0)
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