ifnet: add Gentoo system settings plugin
This commit is contained in:
Mu Qiao
585
system-settings/plugins/ifnet/plugin.c
Normal file
585
system-settings/plugins/ifnet/plugin.c
Normal file
@@ -0,0 +1,585 @@
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/* NetworkManager system settings service (ifnet)
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*
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* Mu Qiao <qiaomuf@gmail.com>
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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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Copyright (C) 1999-2010 Gentoo Foundation, Inc.
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*/
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#include <string.h>
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#include <gmodule.h>
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#include <glib.h>
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#include <gio/gio.h>
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#include <nm-utils.h>
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#include <nm-setting-connection.h>
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#include "NetworkManager.h"
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#include "nm-system-config-interface.h"
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#include "nm-ifnet-connection.h"
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#include "plugin.h"
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#include "net_utils.h"
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#include "net_parser.h"
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#include "wpa_parser.h"
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#include "connection_parser.h"
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#define IFNET_PLUGIN_NAME_PRINT "ifnet"
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#define IFNET_PLUGIN_INFO "(C) 1999-2010 Gentoo Foundation, Inc. To report bugs please use bugs.gentoo.org with [networkmanager] or [dagger] prefix."
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#define IFNET_SYSTEM_HOSTNAME_FILE "/etc/conf.d/hostname"
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#define IFNET_MANAGE_WELL_KNOWN_DEFAULT TRUE
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#define IFNET_KEY_FILE_KEY_MANAGED "managed"
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typedef struct {
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GHashTable *config_connections;
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gchar *hostname;
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gboolean unmanaged_well_known;
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GFileMonitor *hostname_monitor;
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GFileMonitor *net_monitor;
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GFileMonitor *wpa_monitor;
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} SCPluginIfnetPrivate;
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typedef void (*FileChangedFn) (gpointer user_data);
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typedef struct {
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FileChangedFn callback;
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gpointer user_data;
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} FileMonitorInfo;
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static void system_config_interface_init (NMSystemConfigInterface *
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system_config_interface_class);
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static void
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reload_connections (gpointer config);
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G_DEFINE_TYPE_EXTENDED (SCPluginIfnet, sc_plugin_ifnet, G_TYPE_OBJECT, 0,
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G_IMPLEMENT_INTERFACE (NM_TYPE_SYSTEM_CONFIG_INTERFACE,
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system_config_interface_init))
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#define SC_PLUGIN_IFNET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), SC_TYPE_PLUGIN_IFNET, SCPluginIfnetPrivate))
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/*
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static void
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ignore_cb(NMSettingsConnectionInterface * connection,
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GError * error, gpointer user_data)
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{
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}
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*/
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static const char *
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get_hostname (NMSystemConfigInterface * config)
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{
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return SC_PLUGIN_IFNET_GET_PRIVATE (config)->hostname;
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}
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static void
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update_system_hostname (gpointer config)
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{
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SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (config);
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PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Updating hostname");
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if (priv->hostname)
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g_free (priv->hostname);
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priv->hostname = read_hostname (IFNET_SYSTEM_HOSTNAME_FILE);
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g_object_notify (G_OBJECT (config),
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NM_SYSTEM_CONFIG_INTERFACE_HOSTNAME);
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PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Hostname updated to: %s",
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priv->hostname);
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}
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static void
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write_system_hostname (NMSystemConfigInterface * config,
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const gchar * newhostname)
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{
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SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (config);
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g_return_if_fail (newhostname);
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PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Write system hostname: %s",
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newhostname);
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if (write_hostname (newhostname, IFNET_SYSTEM_HOSTNAME_FILE)) {
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if (priv->hostname)
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g_free (priv->hostname);
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priv->hostname = g_strdup (newhostname);
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g_object_notify (G_OBJECT (config),
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NM_SYSTEM_CONFIG_INTERFACE_HOSTNAME);
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} else
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PLUGIN_WARN (IFNET_PLUGIN_NAME,
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"Write system hostname: %s failed", newhostname);
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}
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static gboolean
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is_managed_plugin ()
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{
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gchar *result = NULL;
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result =
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ifnet_get_global_setting (IFNET_KEY_FILE_GROUP,
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IFNET_KEY_FILE_KEY_MANAGED);
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if (result) {
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if (is_true (result)) {
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g_free (result);
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return TRUE;
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} else {
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g_free (result);
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return FALSE;
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}
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}
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return IFNET_MANAGE_WELL_KNOWN_DEFAULT;
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}
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static void
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file_changed (GFileMonitor * monitor,
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GFile * file,
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GFile * other_file,
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GFileMonitorEvent event_type, gpointer user_data)
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{
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FileMonitorInfo *info;
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switch (event_type) {
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case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
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info = (FileMonitorInfo *) user_data;
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info->callback (info->user_data);
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break;
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default:
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break;
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}
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}
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static GFileMonitor *
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monitor_file_changes (const char *filename,
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FileChangedFn callback, gpointer user_data)
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{
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GFile *file;
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GFileMonitor *monitor;
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FileMonitorInfo *info;
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GError **error = NULL;
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if (!g_file_test (filename, G_FILE_TEST_IS_REGULAR))
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return NULL;
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file = g_file_new_for_path (filename);
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monitor = g_file_monitor_file (file, G_FILE_MONITOR_NONE, NULL, error);
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g_object_unref (file);
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if (monitor) {
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info = g_new0 (FileMonitorInfo, 1);
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info->callback = callback;
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info->user_data = user_data;
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g_object_weak_ref (G_OBJECT (monitor), (GWeakNotify) g_free,
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info);
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g_signal_connect (monitor, "changed", G_CALLBACK (file_changed),
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info);
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PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Monitoring %s", filename);
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} else
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PLUGIN_WARN (IFNET_PLUGIN_NAME,
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"Monitoring %s failed, error: %s", filename,
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error == NULL ? "nothing" : (*error)->message);
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return monitor;
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}
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static void
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update_old_connection (gchar * conn_name,
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NMIfnetConnection * old_conn,
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NMIfnetConnection * new_conn,
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SCPluginIfnetPrivate * priv)
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{
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GError **error = NULL;
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if (!nm_sysconfig_connection_update (NM_SYSCONFIG_CONNECTION (old_conn),
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NM_CONNECTION (new_conn), TRUE,
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error)) {
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PLUGIN_WARN (IFNET_PLUGIN_NAME, "error updating: %s",
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(error
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&& (*error)) ? (*error)->message : "(unknown)");
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} else
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PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Connection %s updated",
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conn_name);
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g_object_unref (new_conn);
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}
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static void
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setup_monitors (NMIfnetConnection * connection, gpointer user_data)
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{
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SCPluginIfnet *self = SC_PLUGIN_IFNET (user_data);
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SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (self);
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priv->hostname_monitor =
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monitor_file_changes (IFNET_SYSTEM_HOSTNAME_FILE,
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update_system_hostname, user_data);
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priv->net_monitor =
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monitor_file_changes (CONF_NET_FILE, reload_connections, user_data);
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priv->wpa_monitor =
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monitor_file_changes (WPA_SUPPLICANT_CONF, reload_connections,
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user_data);
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}
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static void
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cancel_monitors (NMIfnetConnection * connection, gpointer user_data)
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{
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SCPluginIfnet *self = SC_PLUGIN_IFNET (user_data);
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SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (self);
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if (priv->hostname_monitor) {
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g_file_monitor_cancel (priv->hostname_monitor);
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g_object_unref (priv->hostname_monitor);
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}
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if (priv->net_monitor) {
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g_file_monitor_cancel (priv->net_monitor);
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g_object_unref (priv->net_monitor);
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}
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if (priv->wpa_monitor) {
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g_file_monitor_cancel (priv->wpa_monitor);
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g_object_unref (priv->wpa_monitor);
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}
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}
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static void
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reload_connections (gpointer config)
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{
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SCPluginIfnet *self = SC_PLUGIN_IFNET (config);
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SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (self);
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GList *conn_names = NULL, *n_iter = NULL;
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/* save names for removing unused connections */
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GHashTable *new_conn_names = NULL;
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GHashTableIter iter;
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gpointer key;
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gpointer value;
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if (priv->unmanaged_well_known)
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return;
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if (!reload_parsers ())
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return;
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PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Loading connections");
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conn_names = ifnet_get_connection_names ();
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new_conn_names =
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g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
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for (n_iter = conn_names; n_iter; n_iter = g_list_next (n_iter)) {
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NMIfnetConnection *exported;
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NMIfnetConnection *old;
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gchar *conn_name = g_strdup (n_iter->data);
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/* add the new connection */
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exported = nm_ifnet_connection_new (conn_name);
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if (!exported) {
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g_free (conn_name);
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continue;
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}
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g_signal_connect (G_OBJECT (exported), "ifnet_setup_monitors",
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G_CALLBACK (setup_monitors), config);
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g_signal_connect (G_OBJECT (exported), "ifnet_cancel_monitors",
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G_CALLBACK (cancel_monitors), config);
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old = g_hash_table_lookup (priv->config_connections, conn_name);
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if (old && exported) {
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gchar *auto_refresh =
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ifnet_get_global_setting (IFNET_KEY_FILE_GROUP,
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"auto_refresh");
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if (auto_refresh && is_true (auto_refresh)) {
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if (!nm_connection_compare (NM_CONNECTION (old),
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NM_CONNECTION
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(exported),
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NM_SETTING_COMPARE_FLAG_EXACT))
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{
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PLUGIN_PRINT (IFNET_PLUGIN_NAME,
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"Auto refreshing %s",
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conn_name);
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g_signal_emit_by_name (old,
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NM_SETTINGS_CONNECTION_INTERFACE_REMOVED);
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g_hash_table_remove
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(priv->config_connections,
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conn_name);
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g_hash_table_insert
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(priv->config_connections,
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g_strdup (conn_name), exported);
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if (is_managed (conn_name))
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g_signal_emit_by_name (self,
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NM_SYSTEM_CONFIG_INTERFACE_CONNECTION_ADDED,
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exported);
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}
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} else
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update_old_connection (conn_name, old,
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exported, priv);
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g_signal_emit_by_name (self,
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NM_SYSTEM_CONFIG_INTERFACE_UNMANAGED_SPECS_CHANGED);
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} else if (exported) {
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g_hash_table_insert (priv->config_connections,
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g_strdup (conn_name), exported);
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if (is_managed (conn_name))
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g_signal_emit_by_name (self,
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NM_SYSTEM_CONFIG_INTERFACE_CONNECTION_ADDED,
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exported);
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}
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g_hash_table_insert (new_conn_names, conn_name, conn_name);
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}
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/* remove unused connections */
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g_hash_table_iter_init (&iter, priv->config_connections);
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while (g_hash_table_iter_next (&iter, &key, &value)) {
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if (!g_hash_table_lookup (new_conn_names, key)) {
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g_signal_emit_by_name (value,
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NM_SETTINGS_CONNECTION_INTERFACE_REMOVED);
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g_hash_table_remove (priv->config_connections, key);
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}
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}
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g_hash_table_remove_all (new_conn_names);
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g_hash_table_destroy (new_conn_names);
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g_list_free (conn_names);
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}
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static gboolean
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add_connection (NMSystemConfigInterface * config,
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NMConnection * connection, GError ** error)
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{
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gboolean result;
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result = ifnet_add_new_connection (connection, CONF_NET_FILE,
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WPA_SUPPLICANT_CONF, error);
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reload_connections (config);
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return result;
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}
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static void
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check_unmanaged (gpointer key, gpointer data, gpointer user_data)
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{
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GSList **list = (GSList **) user_data;
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gchar *conn_name = (gchar *) key;
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const char *unmanaged_spec;
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GSList *iter;
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if (is_managed (conn_name))
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return;
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PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Checking unmanaged: %s", conn_name);
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unmanaged_spec = ifnet_get_data (conn_name, "mac");
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if (!unmanaged_spec)
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return;
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/* Just return if the unmanaged spec is already in the list */
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for (iter = *list; iter; iter = g_slist_next (iter)) {
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if (!strcmp ((char *) iter->data, unmanaged_spec))
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return;
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}
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PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Add unmanaged: %s", unmanaged_spec);
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*list =
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g_slist_prepend (*list, g_strdup_printf ("mac:%s", unmanaged_spec));
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}
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static GSList *
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get_unmanaged_specs (NMSystemConfigInterface * config)
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{
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SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (config);
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GSList *list = NULL;
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g_return_val_if_fail (priv->config_connections != NULL, NULL);
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PLUGIN_PRINT (IFNET_PLUGIN_NAME, "getting unmanaged specs...");
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g_hash_table_foreach (priv->config_connections, check_unmanaged, &list);
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return list;
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}
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static void
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SCPluginIfnet_init (NMSystemConfigInterface * config)
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{
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SCPluginIfnet *self = SC_PLUGIN_IFNET (config);
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SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (self);
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|
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PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Initializing!");
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if (!priv->config_connections)
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priv->config_connections =
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g_hash_table_new_full (g_str_hash, g_str_equal, g_free,
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g_object_unref);
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priv->unmanaged_well_known = !is_managed_plugin ();
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PLUGIN_PRINT (IFNET_PLUGIN_NAME, "management mode: %s",
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priv->unmanaged_well_known ? "unmanaged" : "managed");
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// GFileMonitor setup
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setup_monitors (NULL, config);
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reload_connections (config);
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/* Now if we're running in managed mode, let NM know there are new connections */
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if (!priv->unmanaged_well_known) {
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GHashTableIter iter;
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gpointer key;
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gpointer value;
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|
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g_hash_table_iter_init (&iter, priv->config_connections);
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while (g_hash_table_iter_next (&iter, &key, &value)) {
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if (is_managed ((gchar *) key))
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g_signal_emit_by_name
|
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(self,
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NM_SYSTEM_CONFIG_INTERFACE_CONNECTION_ADDED,
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NM_EXPORTED_CONNECTION (value));
|
||||
}
|
||||
}
|
||||
/* Read hostname */
|
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update_system_hostname (self);
|
||||
|
||||
PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Initialzation complete!");
|
||||
}
|
||||
|
||||
static GSList *
|
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SCPluginIfnet_get_connections (NMSystemConfigInterface * config)
|
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{
|
||||
SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (config);
|
||||
GSList *connections = NULL;
|
||||
GHashTableIter iter;
|
||||
gpointer key, value;
|
||||
|
||||
PLUGIN_PRINT (IFNET_PLUGIN_NAME, "(%d) ... get_connections.",
|
||||
GPOINTER_TO_UINT (config));
|
||||
if (priv->unmanaged_well_known) {
|
||||
PLUGIN_PRINT (IFNET_PLUGIN_NAME,
|
||||
"(%d) ... get_connections (managed=false): return empty list.",
|
||||
GPOINTER_TO_UINT (config));
|
||||
return NULL;
|
||||
}
|
||||
|
||||
g_hash_table_iter_init (&iter, priv->config_connections);
|
||||
while (g_hash_table_iter_next (&iter, &key, &value))
|
||||
if (is_managed ((gchar *) key))
|
||||
connections = g_slist_prepend (connections, value);
|
||||
PLUGIN_PRINT (IFNET_PLUGIN_NAME, "(%d) connections count: %d",
|
||||
GPOINTER_TO_UINT (config), g_slist_length (connections));
|
||||
return connections;
|
||||
}
|
||||
|
||||
static void
|
||||
system_config_interface_init (NMSystemConfigInterface *
|
||||
system_config_interface_class)
|
||||
{
|
||||
system_config_interface_class->init = SCPluginIfnet_init;
|
||||
system_config_interface_class->get_connections =
|
||||
SCPluginIfnet_get_connections;
|
||||
system_config_interface_class->get_unmanaged_specs =
|
||||
get_unmanaged_specs;
|
||||
system_config_interface_class->add_connection = add_connection;
|
||||
}
|
||||
|
||||
static void
|
||||
sc_plugin_ifnet_init (SCPluginIfnet * plugin)
|
||||
{
|
||||
}
|
||||
|
||||
static void
|
||||
get_property (GObject * object, guint prop_id, GValue * value,
|
||||
GParamSpec * pspec)
|
||||
{
|
||||
NMSystemConfigInterface *self = NM_SYSTEM_CONFIG_INTERFACE (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case NM_SYSTEM_CONFIG_INTERFACE_PROP_NAME:
|
||||
g_value_set_string (value, IFNET_PLUGIN_NAME_PRINT);
|
||||
break;
|
||||
case NM_SYSTEM_CONFIG_INTERFACE_PROP_INFO:
|
||||
g_value_set_string (value, IFNET_PLUGIN_INFO);
|
||||
break;
|
||||
case NM_SYSTEM_CONFIG_INTERFACE_PROP_CAPABILITIES:
|
||||
g_value_set_uint (value,
|
||||
NM_SYSTEM_CONFIG_INTERFACE_CAP_MODIFY_CONNECTIONS
|
||||
|
|
||||
NM_SYSTEM_CONFIG_INTERFACE_CAP_MODIFY_HOSTNAME);
|
||||
break;
|
||||
case NM_SYSTEM_CONFIG_INTERFACE_PROP_HOSTNAME:
|
||||
g_value_set_string (value, get_hostname (self));
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
set_property (GObject * object, guint prop_id, const GValue * value,
|
||||
GParamSpec * pspec)
|
||||
{
|
||||
switch (prop_id) {
|
||||
case NM_SYSTEM_CONFIG_INTERFACE_PROP_HOSTNAME:{
|
||||
const gchar *hostname = g_value_get_string (value);
|
||||
|
||||
if (hostname && strlen (hostname) < 1)
|
||||
hostname = NULL;
|
||||
write_system_hostname (NM_SYSTEM_CONFIG_INTERFACE
|
||||
(object), hostname);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
dispose (GObject * object)
|
||||
{
|
||||
SCPluginIfnet *plugin = SC_PLUGIN_IFNET (object);
|
||||
SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (plugin);
|
||||
|
||||
cancel_monitors (NULL, object);
|
||||
if (priv->config_connections) {
|
||||
g_hash_table_remove_all (priv->config_connections);
|
||||
g_hash_table_destroy (priv->config_connections);
|
||||
}
|
||||
|
||||
if (priv->hostname)
|
||||
g_free (priv->hostname);
|
||||
ifnet_destroy ();
|
||||
wpa_parser_destroy ();
|
||||
G_OBJECT_CLASS (sc_plugin_ifnet_parent_class)->dispose (object);
|
||||
}
|
||||
|
||||
static void
|
||||
sc_plugin_ifnet_class_init (SCPluginIfnetClass * req_class)
|
||||
{
|
||||
GObjectClass *object_class = G_OBJECT_CLASS (req_class);
|
||||
|
||||
g_type_class_add_private (req_class, sizeof (SCPluginIfnetPrivate));
|
||||
|
||||
object_class->dispose = dispose;
|
||||
object_class->get_property = get_property;
|
||||
object_class->set_property = set_property;
|
||||
|
||||
g_object_class_override_property (object_class,
|
||||
NM_SYSTEM_CONFIG_INTERFACE_PROP_NAME,
|
||||
NM_SYSTEM_CONFIG_INTERFACE_NAME);
|
||||
|
||||
g_object_class_override_property (object_class,
|
||||
NM_SYSTEM_CONFIG_INTERFACE_PROP_INFO,
|
||||
NM_SYSTEM_CONFIG_INTERFACE_INFO);
|
||||
|
||||
g_object_class_override_property (object_class,
|
||||
NM_SYSTEM_CONFIG_INTERFACE_PROP_CAPABILITIES,
|
||||
NM_SYSTEM_CONFIG_INTERFACE_CAPABILITIES);
|
||||
|
||||
g_object_class_override_property (object_class,
|
||||
NM_SYSTEM_CONFIG_INTERFACE_PROP_HOSTNAME,
|
||||
NM_SYSTEM_CONFIG_INTERFACE_HOSTNAME);
|
||||
}
|
||||
|
||||
G_MODULE_EXPORT GObject *
|
||||
nm_system_config_factory (void)
|
||||
{
|
||||
static SCPluginIfnet *singleton = NULL;
|
||||
|
||||
if (!singleton)
|
||||
singleton
|
||||
=
|
||||
SC_PLUGIN_IFNET (g_object_new (SC_TYPE_PLUGIN_IFNET, NULL));
|
||||
else
|
||||
g_object_ref (singleton);
|
||||
return G_OBJECT (singleton);
|
||||
}
|
||||
Reference in New Issue
Block a user