diff options
Diffstat (limited to 'src/settings/plugins/ifcfg-rh/nm-ifcfg-connection.c')
| -rw-r--r-- | src/settings/plugins/ifcfg-rh/nm-ifcfg-connection.c | 346 |
1 files changed, 346 insertions, 0 deletions
diff --git a/src/settings/plugins/ifcfg-rh/nm-ifcfg-connection.c b/src/settings/plugins/ifcfg-rh/nm-ifcfg-connection.c new file mode 100644 index 00000000..433f933b --- /dev/null +++ b/src/settings/plugins/ifcfg-rh/nm-ifcfg-connection.c @@ -0,0 +1,346 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ +/* NetworkManager system settings service + * + * 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) 2008 - 2010 Red Hat, Inc. + */ + +#include <string.h> +#include <net/ethernet.h> +#include <netinet/ether.h> + +#include <glib/gstdio.h> + +#include <NetworkManager.h> +#include <nm-setting-connection.h> +#include <nm-setting-wired.h> +#include <nm-setting-wireless.h> +#include <nm-setting-gsm.h> +#include <nm-setting-cdma.h> +#include <nm-setting-pppoe.h> +#include <nm-setting-wireless-security.h> +#include <nm-setting-8021x.h> + +#include "common.h" +#include "nm-ifcfg-connection.h" +#include "reader.h" +#include "writer.h" +#include "nm-inotify-helper.h" + +G_DEFINE_TYPE (NMIfcfgConnection, nm_ifcfg_connection, NM_TYPE_SETTINGS_CONNECTION) + +#define NM_IFCFG_CONNECTION_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_IFCFG_CONNECTION, NMIfcfgConnectionPrivate)) + +typedef struct { + gulong ih_event_id; + + char *path; + int file_wd; + + char *keyfile; + int keyfile_wd; + + char *routefile; + int routefile_wd; + + char *route6file; + int route6file_wd; + + char *unmanaged; +} NMIfcfgConnectionPrivate; + +enum { + PROP_0, + PROP_UNMANAGED, + LAST_PROP +}; + +/* Signals */ +enum { + IFCFG_CHANGED, + LAST_SIGNAL +}; + +static guint signals[LAST_SIGNAL] = { 0 }; + +static void +files_changed_cb (NMInotifyHelper *ih, + struct inotify_event *evt, + const char *path, + gpointer user_data) +{ + NMIfcfgConnection *self = NM_IFCFG_CONNECTION (user_data); + NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (self); + + if ( (evt->wd != priv->file_wd) + && (evt->wd != priv->keyfile_wd) + && (evt->wd != priv->routefile_wd) + && (evt->wd != priv->route6file_wd)) + return; + + /* push the event up to the plugin */ + g_signal_emit (self, signals[IFCFG_CHANGED], 0); +} + +NMIfcfgConnection * +nm_ifcfg_connection_new (const char *full_path, + NMConnection *source, + GError **error, + gboolean *ignore_error) +{ + GObject *object; + NMIfcfgConnectionPrivate *priv; + NMConnection *tmp; + char *unmanaged = NULL; + char *keyfile = NULL; + char *routefile = NULL; + char *route6file = NULL; + NMInotifyHelper *ih; + + g_return_val_if_fail (full_path != NULL, NULL); + + /* If we're given a connection already, prefer that instead of re-reading */ + if (source) + tmp = g_object_ref (source); + else { + tmp = connection_from_file (full_path, NULL, NULL, NULL, + &unmanaged, + &keyfile, + &routefile, + &route6file, + error, + ignore_error); + if (!tmp) + return NULL; + } + + object = (GObject *) g_object_new (NM_TYPE_IFCFG_CONNECTION, + NM_IFCFG_CONNECTION_UNMANAGED, unmanaged, + NULL); + if (!object) + goto out; + + /* Update our settings with what was read from the file */ + if (!nm_settings_connection_replace_settings (NM_SETTINGS_CONNECTION (object), tmp, error)) { + g_object_unref (object); + object = NULL; + goto out; + } + + priv = NM_IFCFG_CONNECTION_GET_PRIVATE (object); + priv->path = g_strdup (full_path); + + ih = nm_inotify_helper_get (); + priv->ih_event_id = g_signal_connect (ih, "event", G_CALLBACK (files_changed_cb), object); + + priv->file_wd = nm_inotify_helper_add_watch (ih, full_path); + + priv->keyfile = keyfile; + priv->keyfile_wd = nm_inotify_helper_add_watch (ih, keyfile); + + priv->routefile = routefile; + priv->routefile_wd = nm_inotify_helper_add_watch (ih, routefile); + + priv->route6file = route6file; + priv->route6file_wd = nm_inotify_helper_add_watch (ih, route6file); + +out: + g_object_unref (tmp); + return (NMIfcfgConnection *) object; +} + +const char * +nm_ifcfg_connection_get_path (NMIfcfgConnection *self) +{ + g_return_val_if_fail (NM_IS_IFCFG_CONNECTION (self), NULL); + + return NM_IFCFG_CONNECTION_GET_PRIVATE (self)->path; +} + +const char * +nm_ifcfg_connection_get_unmanaged_spec (NMIfcfgConnection *self) +{ + g_return_val_if_fail (NM_IS_IFCFG_CONNECTION (self), NULL); + + return NM_IFCFG_CONNECTION_GET_PRIVATE (self)->unmanaged; +} + +static void +commit_changes (NMSettingsConnection *connection, + NMSettingsConnectionCommitFunc callback, + gpointer user_data) +{ + NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (connection); + GError *error = NULL; + NMConnection *reread; + char *unmanaged = NULL, *keyfile = NULL, *routefile = NULL, *route6file = NULL; + + /* To ensure we don't rewrite files that are only changed from other + * processes on-disk, read the existing connection back in and only rewrite + * it if it's really changed. + */ + reread = connection_from_file (priv->path, NULL, NULL, NULL, + &unmanaged, &keyfile, &routefile, &route6file, + NULL, NULL); + g_free (unmanaged); + g_free (keyfile); + g_free (routefile); + g_free (route6file); + + if (reread && nm_connection_compare (NM_CONNECTION (connection), + reread, + NM_SETTING_COMPARE_FLAG_EXACT)) + goto out; + + if (!writer_update_connection (NM_CONNECTION (connection), + IFCFG_DIR, + priv->path, + priv->keyfile, + &error)) { + callback (connection, error, user_data); + g_error_free (error); + return; + } + +out: + if (reread) + g_object_unref (reread); + NM_SETTINGS_CONNECTION_CLASS (nm_ifcfg_connection_parent_class)->commit_changes (connection, callback, user_data); +} + +static void +do_delete (NMSettingsConnection *connection, + NMSettingsConnectionDeleteFunc callback, + gpointer user_data) +{ + NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (connection); + + g_unlink (priv->path); + if (priv->keyfile) + g_unlink (priv->keyfile); + if (priv->routefile) + g_unlink (priv->routefile); + + if (priv->route6file) + g_unlink (priv->route6file); + + NM_SETTINGS_CONNECTION_CLASS (nm_ifcfg_connection_parent_class)->delete (connection, callback, user_data); +} + +/* GObject */ + +static void +nm_ifcfg_connection_init (NMIfcfgConnection *connection) +{ +} + +static void +finalize (GObject *object) +{ + NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (object); + NMInotifyHelper *ih; + + nm_connection_clear_secrets (NM_CONNECTION (object)); + + ih = nm_inotify_helper_get (); + + if (priv->ih_event_id) + g_signal_handler_disconnect (ih, priv->ih_event_id); + + g_free (priv->path); + if (priv->file_wd >= 0) + nm_inotify_helper_remove_watch (ih, priv->file_wd); + + g_free (priv->keyfile); + if (priv->keyfile_wd >= 0) + nm_inotify_helper_remove_watch (ih, priv->keyfile_wd); + + g_free (priv->routefile); + if (priv->routefile_wd >= 0) + nm_inotify_helper_remove_watch (ih, priv->routefile_wd); + + g_free (priv->route6file); + if (priv->route6file_wd >= 0) + nm_inotify_helper_remove_watch (ih, priv->route6file_wd); + + G_OBJECT_CLASS (nm_ifcfg_connection_parent_class)->finalize (object); +} + +static void +set_property (GObject *object, guint prop_id, + const GValue *value, GParamSpec *pspec) +{ + NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (object); + + switch (prop_id) { + case PROP_UNMANAGED: + priv->unmanaged = g_value_dup_string (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +get_property (GObject *object, guint prop_id, + GValue *value, GParamSpec *pspec) +{ + NMIfcfgConnectionPrivate *priv = NM_IFCFG_CONNECTION_GET_PRIVATE (object); + + switch (prop_id) { + case PROP_UNMANAGED: + g_value_set_string (value, priv->unmanaged); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +nm_ifcfg_connection_class_init (NMIfcfgConnectionClass *ifcfg_connection_class) +{ + GObjectClass *object_class = G_OBJECT_CLASS (ifcfg_connection_class); + NMSettingsConnectionClass *settings_class = NM_SETTINGS_CONNECTION_CLASS (ifcfg_connection_class); + + g_type_class_add_private (ifcfg_connection_class, sizeof (NMIfcfgConnectionPrivate)); + + /* Virtual methods */ + object_class->set_property = set_property; + object_class->get_property = get_property; + object_class->finalize = finalize; + settings_class->delete = do_delete; + settings_class->commit_changes = commit_changes; + + /* Properties */ + g_object_class_install_property + (object_class, PROP_UNMANAGED, + g_param_spec_string (NM_IFCFG_CONNECTION_UNMANAGED, + "Unmanaged", + "Unmanaged", + NULL, + G_PARAM_READWRITE)); + + signals[IFCFG_CHANGED] = + g_signal_new ("ifcfg-changed", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_LAST, + 0, NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); +} + |