379 lines
13 KiB
C
379 lines
13 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
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*
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* Copyright (C) 2011 Richard Hughes <richard@hughsie.com>
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*
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* Licensed under the GNU General Public License Version 2
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <glib-object.h>
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#include <glib/gi18n.h>
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#include <arpa/inet.h>
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#include <netinet/ether.h>
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#include <nm-device-ethernet.h>
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#include <nm-device-modem.h>
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#include <nm-device-wifi.h>
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#include <nm-device-wimax.h>
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#include <nm-device-infiniband.h>
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#include <nm-utils.h>
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#include "net-device.h"
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#define NET_DEVICE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NET_TYPE_DEVICE, NetDevicePrivate))
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struct _NetDevicePrivate
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{
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NMDevice *nm_device;
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guint changed_id;
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};
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enum {
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PROP_0,
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PROP_DEVICE,
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PROP_LAST
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};
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G_DEFINE_TYPE (NetDevice, net_device, NET_TYPE_OBJECT)
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/* return value must be freed by caller with g_free() */
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static gchar *
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get_mac_address_of_connection (NMConnection *connection)
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{
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if (!connection)
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return NULL;
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const GByteArray *mac = NULL;
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/* check the connection type */
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if (nm_connection_is_type (connection,
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NM_SETTING_WIRELESS_SETTING_NAME)) {
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/* check wireless settings */
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NMSettingWireless *s_wireless = nm_connection_get_setting_wireless (connection);
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if (!s_wireless)
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return NULL;
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mac = nm_setting_wireless_get_mac_address (s_wireless);
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if (mac)
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return nm_utils_hwaddr_ntoa (mac->data, ARPHRD_ETHER);
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} else if (nm_connection_is_type (connection,
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NM_SETTING_WIRED_SETTING_NAME)) {
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/* check wired settings */
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NMSettingWired *s_wired = nm_connection_get_setting_wired (connection);
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if (!s_wired)
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return NULL;
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mac = nm_setting_wired_get_mac_address (s_wired);
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if (mac)
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return nm_utils_hwaddr_ntoa (mac->data, ARPHRD_ETHER);
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} else if (nm_connection_is_type (connection,
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NM_SETTING_WIMAX_SETTING_NAME)) {
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/* check wimax settings */
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NMSettingWimax *s_wimax = nm_connection_get_setting_wimax (connection);
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if (!s_wimax)
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return NULL;
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mac = nm_setting_wimax_get_mac_address (s_wimax);
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if (mac)
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return nm_utils_hwaddr_ntoa (mac->data, ARPHRD_ETHER);
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} else if (nm_connection_is_type (connection,
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NM_SETTING_INFINIBAND_SETTING_NAME)) {
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/* check infiniband settings */
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NMSettingInfiniband *s_infiniband = \
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nm_connection_get_setting_infiniband (connection);
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if (!s_infiniband)
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return NULL;
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mac = nm_setting_infiniband_get_mac_address (s_infiniband);
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if (mac)
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return nm_utils_hwaddr_ntoa (mac->data,
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ARPHRD_INFINIBAND);
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}
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/* no MAC address found */
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return NULL;
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}
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/* return value must not be freed! */
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static const gchar *
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get_mac_address_of_device (NMDevice *device)
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{
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const gchar *mac = NULL;
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switch (nm_device_get_device_type (device)) {
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case NM_DEVICE_TYPE_WIFI:
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{
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NMDeviceWifi *device_wifi = NM_DEVICE_WIFI (device);
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mac = nm_device_wifi_get_hw_address (device_wifi);
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break;
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}
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case NM_DEVICE_TYPE_ETHERNET:
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{
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NMDeviceEthernet *device_ethernet = NM_DEVICE_ETHERNET (device);
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mac = nm_device_ethernet_get_hw_address (device_ethernet);
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break;
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}
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case NM_DEVICE_TYPE_WIMAX:
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{
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NMDeviceWimax *device_wimax = NM_DEVICE_WIMAX (device);
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mac = nm_device_wimax_get_hw_address (device_wimax);
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break;
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}
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case NM_DEVICE_TYPE_INFINIBAND:
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{
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NMDeviceInfiniband *device_infiniband = \
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NM_DEVICE_INFINIBAND (device);
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mac = nm_device_infiniband_get_hw_address (device_infiniband);
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break;
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}
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default:
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break;
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}
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/* no MAC address found */
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return mac;
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}
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/* returns TRUE if both MACs are equal */
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static gboolean
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compare_mac_device_with_mac_connection (NMDevice *device,
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NMConnection *connection)
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{
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const gchar *mac_dev = NULL;
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gchar *mac_conn = NULL;
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mac_dev = get_mac_address_of_device (device);
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if (mac_dev != NULL) {
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mac_conn = get_mac_address_of_connection (connection);
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if (mac_conn) {
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/* compare both MACs */
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if (g_strcmp0 (mac_dev, mac_conn) == 0) {
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g_free (mac_conn);
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return TRUE;
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}
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g_free (mac_conn);
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}
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}
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return FALSE;
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}
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static GSList *
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valid_connections_for_device (NMRemoteSettings *remote_settings,
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NetDevice *device)
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{
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GSList *all, *filtered, *iterator, *valid;
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NMConnection *connection;
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NMSettingConnection *s_con;
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all = nm_remote_settings_list_connections (remote_settings);
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filtered = nm_device_filter_connections (device->priv->nm_device, all);
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g_slist_free (all);
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valid = NULL;
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for (iterator = filtered; iterator; iterator = iterator->next) {
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connection = iterator->data;
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s_con = nm_connection_get_setting_connection (connection);
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if (!s_con)
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continue;
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if (nm_setting_connection_get_master (s_con))
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continue;
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valid = g_slist_prepend (valid, connection);
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}
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g_slist_free (filtered);
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return g_slist_reverse (valid);
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}
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NMConnection *
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net_device_get_find_connection (NetDevice *device)
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{
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GSList *list, *iterator;
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NMConnection *connection = NULL;
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NMActiveConnection *ac;
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NMRemoteSettings *remote_settings;
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/* is the device available in a active connection? */
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remote_settings = net_object_get_remote_settings (NET_OBJECT (device));
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ac = nm_device_get_active_connection (device->priv->nm_device);
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if (ac) {
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return (NMConnection*)nm_remote_settings_get_connection_by_path (remote_settings,
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nm_active_connection_get_connection (ac));
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}
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/* not found in active connections - check all available connections */
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list = valid_connections_for_device (remote_settings, device);
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if (list != NULL) {
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/* if list has only one connection, use this connection */
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if (g_slist_length (list) == 1) {
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connection = list->data;
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goto out;
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}
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/* is there connection with the MAC address of the device? */
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for (iterator = list; iterator; iterator = iterator->next) {
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connection = iterator->data;
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if (compare_mac_device_with_mac_connection (device->priv->nm_device,
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connection)) {
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goto out;
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}
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}
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}
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/* no connection found for the given device */
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connection = NULL;
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out:
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g_slist_free (list);
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return connection;
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}
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static void
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state_changed_cb (NMDevice *device,
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NMDeviceState new_state,
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NMDeviceState old_state,
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NMDeviceStateReason reason,
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NetDevice *net_device)
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{
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net_object_emit_changed (NET_OBJECT (net_device));
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net_object_refresh (NET_OBJECT (net_device));
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}
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NMDevice *
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net_device_get_nm_device (NetDevice *device)
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{
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return device->priv->nm_device;
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}
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static void
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net_device_edit (NetObject *object)
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{
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const gchar *uuid;
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gchar *cmdline;
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GError *error = NULL;
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NetDevice *device = NET_DEVICE (object);
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NMConnection *connection;
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connection = net_device_get_find_connection (device);
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uuid = nm_connection_get_uuid (connection);
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cmdline = g_strdup_printf ("nm-connection-editor --edit %s", uuid);
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g_debug ("Launching '%s'\n", cmdline);
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if (!g_spawn_command_line_async (cmdline, &error)) {
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g_warning ("Failed to launch nm-connection-editor: %s", error->message);
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g_error_free (error);
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}
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g_free (cmdline);
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}
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/**
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* net_device_get_property:
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**/
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static void
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net_device_get_property (GObject *device_,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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NetDevice *net_device = NET_DEVICE (device_);
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NetDevicePrivate *priv = net_device->priv;
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switch (prop_id) {
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case PROP_DEVICE:
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g_value_set_object (value, priv->nm_device);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (net_device, prop_id, pspec);
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break;
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}
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}
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/**
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* net_device_set_property:
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**/
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static void
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net_device_set_property (GObject *device_,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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NetDevice *net_device = NET_DEVICE (device_);
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NetDevicePrivate *priv = net_device->priv;
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switch (prop_id) {
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case PROP_DEVICE:
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if (priv->changed_id != 0) {
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g_signal_handler_disconnect (priv->nm_device,
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priv->changed_id);
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}
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priv->nm_device = g_value_dup_object (value);
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priv->changed_id = g_signal_connect (priv->nm_device,
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"state-changed",
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G_CALLBACK (state_changed_cb),
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net_device);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (net_device, prop_id, pspec);
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break;
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}
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}
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static void
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net_device_finalize (GObject *object)
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{
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NetDevice *device = NET_DEVICE (object);
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NetDevicePrivate *priv = device->priv;
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if (priv->changed_id != 0) {
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g_signal_handler_disconnect (priv->nm_device,
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priv->changed_id);
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}
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if (priv->nm_device != NULL)
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g_object_unref (priv->nm_device);
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G_OBJECT_CLASS (net_device_parent_class)->finalize (object);
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}
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static void
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net_device_class_init (NetDeviceClass *klass)
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{
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GParamSpec *pspec;
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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NetObjectClass *parent_class = NET_OBJECT_CLASS (klass);
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object_class->finalize = net_device_finalize;
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object_class->get_property = net_device_get_property;
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object_class->set_property = net_device_set_property;
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parent_class->edit = net_device_edit;
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pspec = g_param_spec_object ("nm-device", NULL, NULL,
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NM_TYPE_DEVICE,
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G_PARAM_READWRITE | G_PARAM_CONSTRUCT);
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g_object_class_install_property (object_class, PROP_DEVICE, pspec);
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g_type_class_add_private (klass, sizeof (NetDevicePrivate));
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}
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static void
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net_device_init (NetDevice *device)
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{
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device->priv = NET_DEVICE_GET_PRIVATE (device);
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}
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NetDevice *
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net_device_new (void)
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{
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NetDevice *device;
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device = g_object_new (NET_TYPE_DEVICE,
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"removable", FALSE,
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NULL);
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return NET_DEVICE (device);
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}
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