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#!/usr/bin/env python
# -*- Mode: Python; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
#
# 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) 2014 Red Hat, Inc.
#
#
# This example updates a connection's IPv4 method with the Update() method
# using the libnm-glib GObject-based convenience APIs.
#
# Configuration settings are described at
# https://developer.gnome.org/NetworkManager/0.9/ref-settings.html
#
from gi.repository import GLib, NetworkManager, NMClient
import sys, struct, socket
def ip_to_int(ip_string):
return struct.unpack("=I", socket.inet_aton(ip_string))[0]
# callback function
def commit_cb(connection, error, data):
if error is (None):
print("The connection profile has been updated.")
else:
print(error)
main_loop.quit()
def connections_read_cb(settings, data):
uuid, method, args = data
all_connections = settings.list_connections()
for c in all_connections:
if c.get_uuid() != uuid:
continue
# add IPv4 setting if it doesn't yet exist
s_ip4 = c.get_setting_ip4_config()
if not s_ip4:
s_ip4 = NetworkManager.SettingIP4Config.new()
c.add_setting(s_ip4)
# set the method and change properties
s_ip4.set_property(NetworkManager.SETTING_IP4_CONFIG_METHOD, method)
if method == "auto":
# remove addresses
s_ip4.clear_addresses()
elif method == "manual":
# Add the static IP address, prefix, and (optional) gateway
addr = NetworkManager.IP4Address.new()
addr.set_address(ip_to_int(sys.argv[3]))
addr.set_prefix(int(sys.argv[4]))
if len(sys.argv) == 6:
addr.set_gateway(ip_to_int(sys.argv[5]))
s_ip4.add_address(addr)
c.commit_changes(commit_cb, None)
if __name__ == "__main__":
# parse and validate arguments
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"
main_loop = GLib.MainLoop()
# create RemoteSettings object and attach to the "connections-read" signal
# to wait for connections to be loaded asynchronously
settings = NMClient.RemoteSettings.new(None)
settings.connect('connections-read', connections_read_cb, (sys.argv[1], method, sys.argv))
main_loop.run()
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