/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ /* NetworkManager system settings service * * Dan Williams * Søren Sandmann * * 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) 2007 - 2008 Red Hat, Inc. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "common.h" #include "nm-dbus-glib-types.h" #include "plugin.h" #include "nm-system-config-interface.h" #include "nm-ifcfg-connection.h" #include "nm-inotify-helper.h" #include "shvar.h" #include "writer.h" #include "utils.h" #define DBUS_SERVICE_NAME "com.redhat.ifcfgrh1" #define DBUS_OBJECT_PATH "/com/redhat/ifcfgrh1" static gboolean impl_ifcfgrh_get_ifcfg_details (SCPluginIfcfg *plugin, const char *in_ifcfg, const char **out_uuid, const char **out_path, GError **error); #include "nm-ifcfg-rh-glue.h" static void system_config_interface_init (NMSystemConfigInterface *system_config_interface_class); static void connection_changed_handler (SCPluginIfcfg *plugin, const char *path, NMIfcfgConnection *connection, gboolean *do_remove, gboolean *do_new); static void handle_connection_remove_or_new (SCPluginIfcfg *plugin, const char *path, NMIfcfgConnection *connection, gboolean do_remove, gboolean do_new); G_DEFINE_TYPE_EXTENDED (SCPluginIfcfg, sc_plugin_ifcfg, G_TYPE_OBJECT, 0, G_IMPLEMENT_INTERFACE (NM_TYPE_SYSTEM_CONFIG_INTERFACE, system_config_interface_init)) #define SC_PLUGIN_IFCFG_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), SC_TYPE_PLUGIN_IFCFG, SCPluginIfcfgPrivate)) typedef struct { GHashTable *connections; gulong ih_event_id; int sc_network_wd; char *hostname; GFileMonitor *monitor; guint monitor_id; DBusGConnection *bus; } SCPluginIfcfgPrivate; static void connection_unmanaged_changed (NMIfcfgConnection *connection, GParamSpec *pspec, gpointer user_data) { g_signal_emit_by_name (SC_PLUGIN_IFCFG (user_data), NM_SYSTEM_CONFIG_INTERFACE_UNMANAGED_SPECS_CHANGED); } static void connection_ifcfg_changed (NMIfcfgConnection *connection, gpointer user_data) { SCPluginIfcfg *plugin = SC_PLUGIN_IFCFG (user_data); gboolean do_remove = FALSE, do_new = FALSE; const char *path; path = nm_ifcfg_connection_get_filename (connection); g_return_if_fail (path != NULL); connection_changed_handler (plugin, path, connection, &do_remove, &do_new); handle_connection_remove_or_new (plugin, path, connection, do_remove, do_new); } static NMIfcfgConnection * read_one_connection (SCPluginIfcfg *plugin, const char *filename) { SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin); NMIfcfgConnection *connection; GError *error = NULL; gboolean ignore_error = FALSE; PLUGIN_PRINT (IFCFG_PLUGIN_NAME, "parsing %s ... ", filename); connection = nm_ifcfg_connection_new (filename, &error, &ignore_error); if (connection) { NMSettingConnection *s_con; const char *cid; s_con = (NMSettingConnection *) nm_connection_get_setting (NM_CONNECTION (connection), NM_TYPE_SETTING_CONNECTION); g_assert (s_con); cid = nm_setting_connection_get_id (s_con); g_assert (cid); g_hash_table_insert (priv->connections, (gpointer) nm_ifcfg_connection_get_filename (connection), g_object_ref (connection)); PLUGIN_PRINT (IFCFG_PLUGIN_NAME, " read connection '%s'", cid); if (nm_ifcfg_connection_get_unmanaged_spec (connection)) { PLUGIN_PRINT (IFCFG_PLUGIN_NAME, "Ignoring connection '%s' and its " "device because NM_CONTROLLED was false.", cid); g_signal_emit_by_name (plugin, NM_SYSTEM_CONFIG_INTERFACE_UNMANAGED_SPECS_CHANGED); } else { /* Wait for the connection to become unmanaged once it knows the * UDI of it's device, if/when the device gets plugged in. */ g_signal_connect (G_OBJECT (connection), "notify::unmanaged", G_CALLBACK (connection_unmanaged_changed), plugin); } /* watch changes of ifcfg hardlinks */ g_signal_connect (G_OBJECT (connection), "ifcfg-changed", G_CALLBACK (connection_ifcfg_changed), plugin); } else { if (!ignore_error) { PLUGIN_PRINT (IFCFG_PLUGIN_NAME, " error: %s", (error && error->message) ? error->message : "(unknown)"); } g_error_free (error); } return connection; } static void read_connections (SCPluginIfcfg *plugin) { GDir *dir; GError *err = NULL; dir = g_dir_open (IFCFG_DIR, 0, &err); if (dir) { const char *item; while ((item = g_dir_read_name (dir))) { char *full_path; if (utils_should_ignore_file (item, TRUE)) continue; full_path = g_build_filename (IFCFG_DIR, item, NULL); read_one_connection (plugin, full_path); g_free (full_path); } g_dir_close (dir); } else { PLUGIN_WARN (IFCFG_PLUGIN_NAME, "Can not read directory '%s': %s", IFCFG_DIR, err->message); g_error_free (err); } } /* Monitoring */ static void connection_changed_handler (SCPluginIfcfg *plugin, const char *path, NMIfcfgConnection *connection, gboolean *do_remove, gboolean *do_new) { NMIfcfgConnection *new; GError *error = NULL; gboolean ignore_error = FALSE; const char *new_unmanaged = NULL, *old_unmanaged = NULL; g_return_if_fail (plugin != NULL); g_return_if_fail (path != NULL); g_return_if_fail (connection != NULL); g_return_if_fail (do_remove != NULL); g_return_if_fail (do_new != NULL); PLUGIN_PRINT (IFCFG_PLUGIN_NAME, "updating %s", path); new = (NMIfcfgConnection *) nm_ifcfg_connection_new (path, &error, &ignore_error); if (!new) { /* errors reading connection; remove it */ if (!ignore_error) { PLUGIN_WARN (IFCFG_PLUGIN_NAME, " error: %s", (error && error->message) ? error->message : "(unknown)"); } g_clear_error (&error); PLUGIN_PRINT (IFCFG_PLUGIN_NAME, "removed %s.", path); *do_remove = TRUE; return; } /* Successfully read connection changes */ old_unmanaged = nm_ifcfg_connection_get_unmanaged_spec (NM_IFCFG_CONNECTION (connection)); new_unmanaged = nm_ifcfg_connection_get_unmanaged_spec (NM_IFCFG_CONNECTION (new)); if (new_unmanaged) { if (!old_unmanaged) { /* Unexport the connection by destroying it, then re-creating it as unmanaged */ *do_remove = *do_new = TRUE; } } else { if (old_unmanaged) { /* now managed */ NMSettingConnection *s_con; const char *cid; s_con = (NMSettingConnection *) nm_connection_get_setting (NM_CONNECTION (new), NM_TYPE_SETTING_CONNECTION); g_assert (s_con); cid = nm_setting_connection_get_id (s_con); g_assert (cid); PLUGIN_PRINT (IFCFG_PLUGIN_NAME, "Managing connection '%s' and its " "device because NM_CONTROLLED was true.", cid); g_signal_emit_by_name (plugin, NM_SYSTEM_CONFIG_INTERFACE_CONNECTION_ADDED, connection); } if (!nm_sysconfig_connection_update (NM_SYSCONFIG_CONNECTION (connection), NM_CONNECTION (new), TRUE, &error)) { PLUGIN_WARN (IFCFG_PLUGIN_NAME, " error updating: %s", (error && error->message) ? error->message : "(unknown)"); g_clear_error (&error); } /* Update unmanaged status */ g_object_set (connection, "unmanaged", new_unmanaged, NULL); g_signal_emit_by_name (plugin, NM_SYSTEM_CONFIG_INTERFACE_UNMANAGED_SPECS_CHANGED); } g_object_unref (new); } static void handle_connection_remove_or_new (SCPluginIfcfg *plugin, const char *path, NMIfcfgConnection *connection, gboolean do_remove, gboolean do_new) { SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin); g_return_if_fail (plugin != NULL); g_return_if_fail (path != NULL); if (do_remove) { const char *unmanaged; g_return_if_fail (connection != NULL); unmanaged = nm_ifcfg_connection_get_unmanaged_spec (connection); g_hash_table_remove (priv->connections, path); g_signal_emit_by_name (connection, "removed"); /* Emit unmanaged changes _after_ removing the connection */ if (unmanaged) g_signal_emit_by_name (plugin, NM_SYSTEM_CONFIG_INTERFACE_UNMANAGED_SPECS_CHANGED); } if (do_new) { connection = read_one_connection (plugin, path); if (connection) { if (!nm_ifcfg_connection_get_unmanaged_spec (connection)) g_signal_emit_by_name (plugin, NM_SYSTEM_CONFIG_INTERFACE_CONNECTION_ADDED, connection); } } } static void dir_changed (GFileMonitor *monitor, GFile *file, GFile *other_file, GFileMonitorEvent event_type, gpointer user_data) { SCPluginIfcfg *plugin = SC_PLUGIN_IFCFG (user_data); SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin); char *path, *name; NMIfcfgConnection *connection; gboolean do_remove = FALSE, do_new = FALSE; path = g_file_get_path (file); if (utils_should_ignore_file (path, FALSE)) { g_free (path); return; } /* Given any ifcfg, keys, or routes file, get the ifcfg file path */ name = utils_get_ifcfg_path (path); g_free (path); connection = g_hash_table_lookup (priv->connections, name); if (!connection) { do_new = TRUE; } else { switch (event_type) { case G_FILE_MONITOR_EVENT_DELETED: PLUGIN_PRINT (IFCFG_PLUGIN_NAME, "removed %s.", name); do_remove = TRUE; break; case G_FILE_MONITOR_EVENT_CREATED: case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT: /* Update */ connection_changed_handler (plugin, name, connection, &do_remove, &do_new); break; default: break; } } handle_connection_remove_or_new (plugin, name, connection, do_remove, do_new); g_free (name); } static void setup_ifcfg_monitoring (SCPluginIfcfg *plugin) { SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin); GFile *file; GFileMonitor *monitor; priv->connections = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, g_object_unref); file = g_file_new_for_path (IFCFG_DIR "/"); monitor = g_file_monitor_directory (file, G_FILE_MONITOR_NONE, NULL, NULL); g_object_unref (file); if (monitor) { priv->monitor_id = g_signal_connect (monitor, "changed", G_CALLBACK (dir_changed), plugin); priv->monitor = monitor; } } static GSList * get_connections (NMSystemConfigInterface *config) { SCPluginIfcfg *plugin = SC_PLUGIN_IFCFG (config); SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin); GSList *list = NULL; GHashTableIter iter; gpointer value; if (!priv->connections) { setup_ifcfg_monitoring (plugin); read_connections (plugin); } g_hash_table_iter_init (&iter, priv->connections); while (g_hash_table_iter_next (&iter, NULL, &value)) { NMIfcfgConnection *exported = NM_IFCFG_CONNECTION (value); if (!nm_ifcfg_connection_get_unmanaged_spec (exported)) list = g_slist_prepend (list, value); } return list; } static void check_unmanaged (gpointer key, gpointer data, gpointer user_data) { GSList **list = (GSList **) user_data; NMIfcfgConnection *connection = NM_IFCFG_CONNECTION (data); const char *unmanaged_spec; GSList *iter; unmanaged_spec = nm_ifcfg_connection_get_unmanaged_spec (connection); if (!unmanaged_spec) return; /* Just return if the unmanaged spec is already in the list */ for (iter = *list; iter; iter = g_slist_next (iter)) { if (!strcmp ((char *) iter->data, unmanaged_spec)) return; } *list = g_slist_prepend (*list, g_strdup (unmanaged_spec)); } static GSList * get_unmanaged_specs (NMSystemConfigInterface *config) { SCPluginIfcfg *plugin = SC_PLUGIN_IFCFG (config); SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (config); GSList *list = NULL; if (!priv->connections) { setup_ifcfg_monitoring (plugin); read_connections (plugin); } g_hash_table_foreach (priv->connections, check_unmanaged, &list); return list; } static gboolean add_connection (NMSystemConfigInterface *config, NMConnection *connection, GError **error) { return writer_new_connection (connection, IFCFG_DIR, NULL, error); } #define SC_NETWORK_FILE SYSCONFDIR"/sysconfig/network" static char * plugin_get_hostname (SCPluginIfcfg *plugin) { shvarFile *network; char *hostname; gboolean ignore_localhost; network = svNewFile (SC_NETWORK_FILE); if (!network) { PLUGIN_WARN (IFCFG_PLUGIN_NAME, "Could not get hostname: failed to read " SC_NETWORK_FILE); return FALSE; } hostname = svGetValue (network, "HOSTNAME", FALSE); ignore_localhost = svTrueValue (network, "NM_IGNORE_HOSTNAME_LOCALHOST", FALSE); if (ignore_localhost) { /* Ignore a hostname of 'localhost' or 'localhost.localdomain' to preserve * 'network' service behavior. */ if (hostname && (!strcmp (hostname, "localhost") || !strcmp (hostname, "localhost.localdomain"))) { g_free (hostname); hostname = NULL; } } svCloseFile (network); return hostname; } static gboolean plugin_set_hostname (SCPluginIfcfg *plugin, const char *hostname) { SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin); shvarFile *network; network = svCreateFile (SC_NETWORK_FILE); if (!network) { PLUGIN_WARN (IFCFG_PLUGIN_NAME, "Could not save hostname: failed to create/open " SC_NETWORK_FILE); return FALSE; } svSetValue (network, "HOSTNAME", hostname, FALSE); svWriteFile (network, 0644); svCloseFile (network); g_free (priv->hostname); priv->hostname = hostname ? g_strdup (hostname) : NULL; return TRUE; } static void sc_network_changed_cb (NMInotifyHelper *ih, struct inotify_event *evt, const char *path, gpointer user_data) { SCPluginIfcfg *plugin = SC_PLUGIN_IFCFG (user_data); SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin); char *new_hostname; if (evt->wd != priv->sc_network_wd) return; new_hostname = plugin_get_hostname (plugin); if ( (new_hostname && !priv->hostname) || (!new_hostname && priv->hostname) || (priv->hostname && new_hostname && strcmp (priv->hostname, new_hostname))) { g_free (priv->hostname); priv->hostname = new_hostname; g_object_notify (G_OBJECT (plugin), NM_SYSTEM_CONFIG_INTERFACE_HOSTNAME); } else g_free (new_hostname); } static gboolean impl_ifcfgrh_get_ifcfg_details (SCPluginIfcfg *plugin, const char *in_ifcfg, const char **out_uuid, const char **out_path, GError **error) { SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin); NMIfcfgConnection *connection; NMSettingConnection *s_con; const char *uuid; const char *path; if (!g_path_is_absolute (in_ifcfg)) { g_set_error (error, NM_SETTINGS_INTERFACE_ERROR, NM_SETTINGS_INTERFACE_ERROR_INVALID_CONNECTION, "ifcfg path '%s' is not absolute", in_ifcfg); return FALSE; } connection = g_hash_table_lookup (priv->connections, in_ifcfg); if (!connection) { g_set_error (error, NM_SETTINGS_INTERFACE_ERROR, NM_SETTINGS_INTERFACE_ERROR_INVALID_CONNECTION, "ifcfg file '%s' unknown", in_ifcfg); return FALSE; } s_con = (NMSettingConnection *) nm_connection_get_setting (NM_CONNECTION (connection), NM_TYPE_SETTING_CONNECTION); if (!s_con) { g_set_error (error, NM_SETTINGS_INTERFACE_ERROR, NM_SETTINGS_INTERFACE_ERROR_INTERNAL_ERROR, "unable to retrieve the connection setting"); return FALSE; } uuid = nm_setting_connection_get_uuid (s_con); if (!uuid) { g_set_error (error, NM_SETTINGS_INTERFACE_ERROR, NM_SETTINGS_INTERFACE_ERROR_INTERNAL_ERROR, "unable to get the UUID"); return FALSE; } path = nm_connection_get_path (NM_CONNECTION (connection)); if (!path) { g_set_error (error, NM_SETTINGS_INTERFACE_ERROR, NM_SETTINGS_INTERFACE_ERROR_INTERNAL_ERROR, "unable to get the connection D-Bus path"); return FALSE; } *out_uuid = g_strdup (uuid); *out_path = g_strdup (path); return TRUE; } static void init (NMSystemConfigInterface *config) { } static void sc_plugin_ifcfg_init (SCPluginIfcfg *plugin) { SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin); NMInotifyHelper *ih; GError *error = NULL; gboolean success = FALSE; ih = nm_inotify_helper_get (); priv->ih_event_id = g_signal_connect (ih, "event", G_CALLBACK (sc_network_changed_cb), plugin); priv->sc_network_wd = nm_inotify_helper_add_watch (ih, SC_NETWORK_FILE); priv->hostname = plugin_get_hostname (plugin); priv->bus = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error); if (!priv->bus) { PLUGIN_WARN (IFCFG_PLUGIN_NAME, "Couldn't connect to D-Bus: %s", error->message); g_clear_error (&error); } else { DBusConnection *tmp; DBusGProxy *proxy; int result; tmp = dbus_g_connection_get_connection (priv->bus); dbus_connection_set_exit_on_disconnect (tmp, FALSE); proxy = dbus_g_proxy_new_for_name (priv->bus, "org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus"); if (!dbus_g_proxy_call (proxy, "RequestName", &error, G_TYPE_STRING, DBUS_SERVICE_NAME, G_TYPE_UINT, DBUS_NAME_FLAG_DO_NOT_QUEUE, G_TYPE_INVALID, G_TYPE_UINT, &result, G_TYPE_INVALID)) { PLUGIN_WARN (IFCFG_PLUGIN_NAME, "Couldn't acquire D-Bus service: %s", error->message); g_clear_error (&error); } else if (result != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) { PLUGIN_WARN (IFCFG_PLUGIN_NAME, "Couldn't acquire ifcfgrh1 D-Bus service (already taken)"); } else success = TRUE; } if (!success) { dbus_g_connection_unref (priv->bus); priv->bus = NULL; } } static void dispose (GObject *object) { SCPluginIfcfg *plugin = SC_PLUGIN_IFCFG (object); SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin); NMInotifyHelper *ih; if (priv->bus) { dbus_g_connection_unref (priv->bus); priv->bus = NULL; } ih = nm_inotify_helper_get (); g_signal_handler_disconnect (ih, priv->ih_event_id); if (priv->sc_network_wd >= 0) nm_inotify_helper_remove_watch (ih, priv->sc_network_wd); g_free (priv->hostname); if (priv->connections) g_hash_table_destroy (priv->connections); if (priv->monitor) { if (priv->monitor_id) g_signal_handler_disconnect (priv->monitor, priv->monitor_id); g_file_monitor_cancel (priv->monitor); g_object_unref (priv->monitor); } G_OBJECT_CLASS (sc_plugin_ifcfg_parent_class)->dispose (object); } static void finalize (GObject *object) { G_OBJECT_CLASS (sc_plugin_ifcfg_parent_class)->finalize (object); } static void get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (object); switch (prop_id) { case NM_SYSTEM_CONFIG_INTERFACE_PROP_NAME: g_value_set_string (value, IFCFG_PLUGIN_NAME); break; case NM_SYSTEM_CONFIG_INTERFACE_PROP_INFO: g_value_set_string (value, IFCFG_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, priv->hostname); 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) { const char *hostname; switch (prop_id) { case NM_SYSTEM_CONFIG_INTERFACE_PROP_HOSTNAME: hostname = g_value_get_string (value); if (hostname && strlen (hostname) < 1) hostname = NULL; plugin_set_hostname (SC_PLUGIN_IFCFG (object), hostname); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void sc_plugin_ifcfg_class_init (SCPluginIfcfgClass *req_class) { GObjectClass *object_class = G_OBJECT_CLASS (req_class); g_type_class_add_private (req_class, sizeof (SCPluginIfcfgPrivate)); object_class->dispose = dispose; object_class->finalize = finalize; 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); dbus_g_object_type_install_info (G_TYPE_FROM_CLASS (req_class), &dbus_glib_nm_ifcfg_rh_object_info); } static void system_config_interface_init (NMSystemConfigInterface *system_config_interface_class) { /* interface implementation */ system_config_interface_class->get_connections = get_connections; system_config_interface_class->add_connection = add_connection; system_config_interface_class->get_unmanaged_specs = get_unmanaged_specs; system_config_interface_class->init = init; } G_MODULE_EXPORT GObject * nm_system_config_factory (void) { static SCPluginIfcfg *singleton = NULL; SCPluginIfcfgPrivate *priv; if (!singleton) { singleton = SC_PLUGIN_IFCFG (g_object_new (SC_TYPE_PLUGIN_IFCFG, NULL)); if (singleton) { priv = SC_PLUGIN_IFCFG_GET_PRIVATE (singleton); if (priv->bus) dbus_g_connection_register_g_object (priv->bus, DBUS_OBJECT_PATH, G_OBJECT (singleton)); PLUGIN_PRINT (IFCFG_PLUGIN_NAME, "Acquired D-Bus service %s", DBUS_SERVICE_NAME); } } else g_object_ref (singleton); return G_OBJECT (singleton); }