1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
2 /* NetworkManager system settings service
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 * Copyright (C) 2008 - 2011 Red Hat, Inc.
21 #include "nm-default.h"
25 #include <glib/gstdio.h>
27 #include "nm-dbus-interface.h"
28 #include "nm-setting-connection.h"
29 #include "nm-setting-wired.h"
30 #include "nm-setting-wireless.h"
31 #include "nm-setting-gsm.h"
32 #include "nm-setting-cdma.h"
33 #include "nm-setting-pppoe.h"
34 #include "nm-setting-wireless-security.h"
35 #include "nm-setting-8021x.h"
36 #include "nm-platform.h"
39 #include "nm-config.h"
40 #include "nm-ifcfg-connection.h"
43 #include "nm-inotify-helper.h"
46 G_DEFINE_TYPE (NMIfcfgConnection, nm_ifcfg_connection, NM_TYPE_SETTINGS_CONNECTION)
48 #define NM_IFCFG_CONNECTION_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_IFCFG_CONNECTION, NMIfcfgConnectionPrivate))
65 char *unrecognized_spec;
67 gulong devtimeout_link_changed_handler;
68 guint devtimeout_timeout_id;
70 NMInotifyHelper *inotify_helper;
71 } NMIfcfgConnectionPrivate;
76 PROP_UNRECOGNIZED_SPEC,
86 static guint signals[LAST_SIGNAL] = { 0 };
88 static NMInotifyHelper *
89 _get_inotify_helper (NMIfcfgConnectionPrivate *priv)
91 if (!priv->inotify_helper)
92 priv->inotify_helper = g_object_ref (nm_inotify_helper_get ());
93 return priv->inotify_helper;
97 devtimeout_ready (gpointer user_data)
99 NMIfcfgConnection *self = user_data;
100 NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (self);
102 priv->devtimeout_timeout_id = 0;
103 nm_settings_connection_set_ready (NM_SETTINGS_CONNECTION (self), TRUE);
108 link_changed (NMPlatform *platform, NMPObjectType *obj_type, int ifindex, const NMPlatformLink *link,
109 NMPlatformSignalChangeType change_type,
112 NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (self);
115 ifname = nm_connection_get_interface_name (self);
116 if (g_strcmp0 (link->name, ifname) != 0)
119 /* Shouldn't happen, but... */
120 if (change_type == NM_PLATFORM_SIGNAL_REMOVED)
123 nm_log_info (LOGD_SETTINGS, "Device %s appeared; connection '%s' now ready",
124 ifname, nm_connection_get_id (self));
126 g_signal_handler_disconnect (platform, priv->devtimeout_link_changed_handler);
127 priv->devtimeout_link_changed_handler = 0;
128 g_source_remove (priv->devtimeout_timeout_id);
130 /* Don't declare the connection ready right away, since NMManager may not have
131 * started processing the device yet.
133 priv->devtimeout_timeout_id = g_idle_add (devtimeout_ready, self);
137 devtimeout_expired (gpointer user_data)
139 NMIfcfgConnection *self = user_data;
140 NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (self);
142 nm_log_info (LOGD_SETTINGS, "Device for connection '%s' did not appear before timeout",
143 nm_connection_get_id (NM_CONNECTION (self)));
145 g_signal_handler_disconnect (NM_PLATFORM_GET, priv->devtimeout_link_changed_handler);
146 priv->devtimeout_link_changed_handler = 0;
147 priv->devtimeout_timeout_id = 0;
149 nm_settings_connection_set_ready (NM_SETTINGS_CONNECTION (self), TRUE);
154 nm_ifcfg_connection_check_devtimeout (NMIfcfgConnection *self)
156 NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (self);
157 NMSettingConnection *s_con;
159 const char *filename;
161 const NMPlatformLink *pllink;
163 s_con = nm_connection_get_setting_connection (NM_CONNECTION (self));
165 if (!nm_setting_connection_get_autoconnect (s_con))
167 ifname = nm_setting_connection_get_interface_name (s_con);
170 filename = nm_settings_connection_get_filename (NM_SETTINGS_CONNECTION (self));
174 pllink = nm_platform_link_get_by_ifname (NM_PLATFORM_GET, ifname);
175 if (pllink && pllink->initialized)
178 devtimeout = devtimeout_from_file (filename);
182 /* ONBOOT=yes, DEVICE and DEVTIMEOUT are set, but device is not present */
183 nm_settings_connection_set_ready (NM_SETTINGS_CONNECTION (self), FALSE);
185 nm_log_info (LOGD_SETTINGS, "Waiting %u seconds for %s to appear for connection '%s'",
186 devtimeout, ifname, nm_connection_get_id (NM_CONNECTION (self)));
188 priv->devtimeout_link_changed_handler =
189 g_signal_connect (NM_PLATFORM_GET, NM_PLATFORM_SIGNAL_LINK_CHANGED,
190 G_CALLBACK (link_changed), self);
191 priv->devtimeout_timeout_id = g_timeout_add_seconds (devtimeout, devtimeout_expired, self);
195 files_changed_cb (NMInotifyHelper *ih,
196 struct inotify_event *evt,
200 NMIfcfgConnection *self = NM_IFCFG_CONNECTION (user_data);
201 NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (self);
203 if ( (evt->wd != priv->file_wd)
204 && (evt->wd != priv->keyfile_wd)
205 && (evt->wd != priv->routefile_wd)
206 && (evt->wd != priv->route6file_wd))
209 /* push the event up to the plugin */
210 g_signal_emit (self, signals[IFCFG_CHANGED], 0);
214 nm_ifcfg_connection_new (NMConnection *source,
215 const char *full_path,
217 gboolean *out_ignore_error)
221 char *unhandled_spec = NULL;
222 const char *unmanaged_spec = NULL, *unrecognized_spec = NULL;
223 gboolean update_unsaved = TRUE;
225 g_assert (source || full_path);
227 if (out_ignore_error)
228 *out_ignore_error = FALSE;
230 /* If we're given a connection already, prefer that instead of re-reading */
232 tmp = g_object_ref (source);
234 tmp = connection_from_file (full_path,
241 /* If we just read the connection from disk, it's clearly not Unsaved */
242 update_unsaved = FALSE;
245 if (unhandled_spec && g_str_has_prefix (unhandled_spec, "unmanaged:"))
246 unmanaged_spec = unhandled_spec + strlen ("unmanaged:");
247 else if (unhandled_spec && g_str_has_prefix (unhandled_spec, "unrecognized:"))
248 unrecognized_spec = unhandled_spec + strlen ("unrecognized:");
250 object = (GObject *) g_object_new (NM_TYPE_IFCFG_CONNECTION,
251 NM_SETTINGS_CONNECTION_FILENAME, full_path,
252 NM_IFCFG_CONNECTION_UNMANAGED_SPEC, unmanaged_spec,
253 NM_IFCFG_CONNECTION_UNRECOGNIZED_SPEC, unrecognized_spec,
255 /* Update our settings with what was read from the file */
256 if (nm_settings_connection_replace_settings (NM_SETTINGS_CONNECTION (object),
261 nm_ifcfg_connection_check_devtimeout (NM_IFCFG_CONNECTION (object));
263 g_clear_object (&object);
265 g_object_unref (tmp);
266 g_free (unhandled_spec);
267 return (NMIfcfgConnection *) object;
271 path_watch_stop (NMIfcfgConnection *self)
273 NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (self);
276 ih = _get_inotify_helper (priv);
278 nm_clear_g_signal_handler (ih, &priv->ih_event_id);
280 if (priv->file_wd >= 0) {
281 nm_inotify_helper_remove_watch (ih, priv->file_wd);
285 g_free (priv->keyfile);
286 priv->keyfile = NULL;
287 if (priv->keyfile_wd >= 0) {
288 nm_inotify_helper_remove_watch (ih, priv->keyfile_wd);
289 priv->keyfile_wd = -1;
292 g_free (priv->routefile);
293 priv->routefile = NULL;
294 if (priv->routefile_wd >= 0) {
295 nm_inotify_helper_remove_watch (ih, priv->routefile_wd);
296 priv->routefile_wd = -1;
299 g_free (priv->route6file);
300 priv->route6file = NULL;
301 if (priv->route6file_wd >= 0) {
302 nm_inotify_helper_remove_watch (ih, priv->route6file_wd);
303 priv->route6file_wd = -1;
308 filename_changed (GObject *object,
312 NMIfcfgConnection *self = NM_IFCFG_CONNECTION (object);
313 NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (self);
314 const char *ifcfg_path;
316 path_watch_stop (self);
318 ifcfg_path = nm_settings_connection_get_filename (NM_SETTINGS_CONNECTION (self));
322 priv->keyfile = utils_get_keys_path (ifcfg_path);
323 priv->routefile = utils_get_route_path (ifcfg_path);
324 priv->route6file = utils_get_route6_path (ifcfg_path);
326 if (nm_config_get_monitor_connection_files (nm_config_get ())) {
329 ih = _get_inotify_helper (priv);
331 priv->ih_event_id = g_signal_connect (ih, "event", G_CALLBACK (files_changed_cb), self);
332 priv->file_wd = nm_inotify_helper_add_watch (ih, ifcfg_path);
333 priv->keyfile_wd = nm_inotify_helper_add_watch (ih, priv->keyfile);
334 priv->routefile_wd = nm_inotify_helper_add_watch (ih, priv->routefile);
335 priv->route6file_wd = nm_inotify_helper_add_watch (ih, priv->route6file);
340 nm_ifcfg_connection_get_unmanaged_spec (NMIfcfgConnection *self)
342 g_return_val_if_fail (NM_IS_IFCFG_CONNECTION (self), NULL);
344 return NM_IFCFG_CONNECTION_GET_PRIVATE (self)->unmanaged_spec;
348 nm_ifcfg_connection_get_unrecognized_spec (NMIfcfgConnection *self)
350 g_return_val_if_fail (NM_IS_IFCFG_CONNECTION (self), NULL);
352 return NM_IFCFG_CONNECTION_GET_PRIVATE (self)->unrecognized_spec;
356 replace_and_commit (NMSettingsConnection *connection,
357 NMConnection *new_connection,
358 NMSettingsConnectionCommitFunc callback,
361 const char *filename;
362 GError *error = NULL;
364 filename = nm_settings_connection_get_filename (connection);
365 if (filename && utils_has_complex_routes (filename)) {
367 error = g_error_new_literal (NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
368 "Cannot modify a connection that has an associated 'rule-' or 'rule6-' file");
369 callback (connection, error, user_data);
370 g_clear_error (&error);
374 NM_SETTINGS_CONNECTION_CLASS (nm_ifcfg_connection_parent_class)->replace_and_commit (connection, new_connection, callback, user_data);
378 commit_changes (NMSettingsConnection *connection,
379 NMSettingsConnectionCommitReason commit_reason,
380 NMSettingsConnectionCommitFunc callback,
383 NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (connection);
384 GError *error = NULL;
385 NMConnection *reread;
386 gboolean same = FALSE, success = FALSE;
387 char *ifcfg_path = NULL;
388 const char *filename;
390 /* To ensure we don't rewrite files that are only changed from other
391 * processes on-disk, read the existing connection back in and only rewrite
392 * it if it's really changed.
394 filename = nm_settings_connection_get_filename (connection);
396 reread = connection_from_file (filename, NULL, NULL, NULL);
398 same = nm_connection_compare (NM_CONNECTION (connection),
400 NM_SETTING_COMPARE_FLAG_IGNORE_AGENT_OWNED_SECRETS |
401 NM_SETTING_COMPARE_FLAG_IGNORE_NOT_SAVED_SECRETS);
402 g_object_unref (reread);
404 /* Don't bother writing anything out if in-memory and on-disk data are the same */
406 /* But chain up to parent to handle success - emits updated signal */
407 NM_SETTINGS_CONNECTION_CLASS (nm_ifcfg_connection_parent_class)->commit_changes (connection, commit_reason, callback, user_data);
412 success = writer_update_connection (NM_CONNECTION (connection),
418 success = writer_new_connection (NM_CONNECTION (connection),
423 nm_settings_connection_set_filename (connection, ifcfg_path);
429 /* Chain up to parent to handle success */
430 NM_SETTINGS_CONNECTION_CLASS (nm_ifcfg_connection_parent_class)->commit_changes (connection, commit_reason, callback, user_data);
432 /* Otherwise immediate error */
433 callback (connection, error, user_data);
434 g_error_free (error);
439 do_delete (NMSettingsConnection *connection,
440 NMSettingsConnectionDeleteFunc callback,
443 NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (connection);
444 const char *filename;
446 filename = nm_settings_connection_get_filename (connection);
450 g_unlink (priv->keyfile);
452 g_unlink (priv->routefile);
453 if (priv->route6file)
454 g_unlink (priv->route6file);
457 NM_SETTINGS_CONNECTION_CLASS (nm_ifcfg_connection_parent_class)->delete (connection, callback, user_data);
463 nm_ifcfg_connection_init (NMIfcfgConnection *connection)
465 g_signal_connect (connection, "notify::" NM_SETTINGS_CONNECTION_FILENAME,
466 G_CALLBACK (filename_changed), NULL);
470 set_property (GObject *object, guint prop_id,
471 const GValue *value, GParamSpec *pspec)
473 NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (object);
476 case PROP_UNMANAGED_SPEC:
477 priv->unmanaged_spec = g_value_dup_string (value);
479 case PROP_UNRECOGNIZED_SPEC:
480 priv->unrecognized_spec = g_value_dup_string (value);
483 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
489 get_property (GObject *object, guint prop_id,
490 GValue *value, GParamSpec *pspec)
492 NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (object);
495 case PROP_UNMANAGED_SPEC:
496 g_value_set_string (value, priv->unmanaged_spec);
498 case PROP_UNRECOGNIZED_SPEC:
499 g_value_set_string (value, priv->unrecognized_spec);
502 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
508 dispose (GObject *object)
510 NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (object);
512 path_watch_stop (NM_IFCFG_CONNECTION (object));
514 nm_clear_g_signal_handler (NM_PLATFORM_GET, &priv->devtimeout_link_changed_handler);
515 nm_clear_g_source (&priv->devtimeout_timeout_id);
517 g_clear_object (&priv->inotify_helper);
519 g_clear_pointer (&priv->unmanaged_spec, g_free);
520 g_clear_pointer (&priv->unrecognized_spec, g_free);
522 G_OBJECT_CLASS (nm_ifcfg_connection_parent_class)->dispose (object);
526 nm_ifcfg_connection_class_init (NMIfcfgConnectionClass *ifcfg_connection_class)
528 GObjectClass *object_class = G_OBJECT_CLASS (ifcfg_connection_class);
529 NMSettingsConnectionClass *settings_class = NM_SETTINGS_CONNECTION_CLASS (ifcfg_connection_class);
531 g_type_class_add_private (ifcfg_connection_class, sizeof (NMIfcfgConnectionPrivate));
533 /* Virtual methods */
534 object_class->set_property = set_property;
535 object_class->get_property = get_property;
536 object_class->dispose = dispose;
537 settings_class->delete = do_delete;
538 settings_class->replace_and_commit = replace_and_commit;
539 settings_class->commit_changes = commit_changes;
542 g_object_class_install_property
543 (object_class, PROP_UNMANAGED_SPEC,
544 g_param_spec_string (NM_IFCFG_CONNECTION_UNMANAGED_SPEC, "", "",
547 G_PARAM_STATIC_STRINGS));
548 g_object_class_install_property
549 (object_class, PROP_UNRECOGNIZED_SPEC,
550 g_param_spec_string (NM_IFCFG_CONNECTION_UNRECOGNIZED_SPEC, "", "",
553 G_PARAM_STATIC_STRINGS));
555 signals[IFCFG_CHANGED] =
556 g_signal_new ("ifcfg-changed",
557 G_OBJECT_CLASS_TYPE (object_class),
560 g_cclosure_marshal_VOID__VOID,