diff options
Diffstat (limited to 'system-settings/plugins/ifnet/plugin.c')
| -rw-r--r-- | system-settings/plugins/ifnet/plugin.c | 585 |
1 files changed, 585 insertions, 0 deletions
diff --git a/system-settings/plugins/ifnet/plugin.c b/system-settings/plugins/ifnet/plugin.c new file mode 100644 index 000000000..94f9e791f --- /dev/null +++ b/system-settings/plugins/ifnet/plugin.c @@ -0,0 +1,585 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ +/* NetworkManager system settings service (ifnet) + * + * Mu Qiao <qiaomuf@gmail.com> + * + * 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) 1999-2010 Gentoo Foundation, Inc. + */ + +#include <string.h> + +#include <gmodule.h> +#include <glib.h> +#include <gio/gio.h> + +#include <nm-utils.h> +#include <nm-setting-connection.h> + +#include "NetworkManager.h" +#include "nm-system-config-interface.h" +#include "nm-ifnet-connection.h" + +#include "plugin.h" +#include "net_utils.h" +#include "net_parser.h" +#include "wpa_parser.h" +#include "connection_parser.h" + +#define IFNET_PLUGIN_NAME_PRINT "ifnet" +#define IFNET_PLUGIN_INFO "(C) 1999-2010 Gentoo Foundation, Inc. To report bugs please use bugs.gentoo.org with [networkmanager] or [qiaomuf] prefix." +#define IFNET_SYSTEM_HOSTNAME_FILE "/etc/conf.d/hostname" +#define IFNET_MANAGE_WELL_KNOWN_DEFAULT TRUE +#define IFNET_KEY_FILE_KEY_MANAGED "managed" + +typedef struct { + GHashTable *config_connections; + gchar *hostname; + gboolean unmanaged_well_known; + + GFileMonitor *hostname_monitor; + GFileMonitor *net_monitor; + GFileMonitor *wpa_monitor; + +} SCPluginIfnetPrivate; + +typedef void (*FileChangedFn) (gpointer user_data); + +typedef struct { + FileChangedFn callback; + gpointer user_data; +} FileMonitorInfo; + +static void system_config_interface_init (NMSystemConfigInterface * + system_config_interface_class); + +static void + reload_connections (gpointer config); + +G_DEFINE_TYPE_EXTENDED (SCPluginIfnet, sc_plugin_ifnet, G_TYPE_OBJECT, 0, + G_IMPLEMENT_INTERFACE (NM_TYPE_SYSTEM_CONFIG_INTERFACE, + system_config_interface_init)) +#define SC_PLUGIN_IFNET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), SC_TYPE_PLUGIN_IFNET, SCPluginIfnetPrivate)) +/* +static void +ignore_cb(NMSettingsConnectionInterface * connection, + GError * error, gpointer user_data) +{ +} +*/ +static const char * +get_hostname (NMSystemConfigInterface * config) +{ + return SC_PLUGIN_IFNET_GET_PRIVATE (config)->hostname; +} + +static void +update_system_hostname (gpointer config) +{ + SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (config); + + PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Updating hostname"); + + if (priv->hostname) + g_free (priv->hostname); + priv->hostname = read_hostname (IFNET_SYSTEM_HOSTNAME_FILE); + + g_object_notify (G_OBJECT (config), + NM_SYSTEM_CONFIG_INTERFACE_HOSTNAME); + PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Hostname updated to: %s", + priv->hostname); +} + +static void +write_system_hostname (NMSystemConfigInterface * config, + const gchar * newhostname) +{ + SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (config); + + g_return_if_fail (newhostname); + PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Write system hostname: %s", + newhostname); + if (write_hostname (newhostname, IFNET_SYSTEM_HOSTNAME_FILE)) { + if (priv->hostname) + g_free (priv->hostname); + priv->hostname = g_strdup (newhostname); + g_object_notify (G_OBJECT (config), + NM_SYSTEM_CONFIG_INTERFACE_HOSTNAME); + } else + PLUGIN_WARN (IFNET_PLUGIN_NAME, + "Write system hostname: %s failed", newhostname); +} + +static gboolean +is_managed_plugin () +{ + gchar *result = NULL; + + result = + ifnet_get_global_setting (IFNET_KEY_FILE_GROUP, + IFNET_KEY_FILE_KEY_MANAGED); + if (result) { + if (is_true (result)) { + g_free (result); + return TRUE; + } else { + g_free (result); + return FALSE; + } + } + return IFNET_MANAGE_WELL_KNOWN_DEFAULT; +} + +static void +file_changed (GFileMonitor * monitor, + GFile * file, + GFile * other_file, + GFileMonitorEvent event_type, gpointer user_data) +{ + FileMonitorInfo *info; + + switch (event_type) { + case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT: + info = (FileMonitorInfo *) user_data; + info->callback (info->user_data); + break; + default: + break; + } +} + +static GFileMonitor * +monitor_file_changes (const char *filename, + FileChangedFn callback, gpointer user_data) +{ + GFile *file; + GFileMonitor *monitor; + FileMonitorInfo *info; + GError **error = NULL; + + if (!g_file_test (filename, G_FILE_TEST_IS_REGULAR)) + return NULL; + file = g_file_new_for_path (filename); + monitor = g_file_monitor_file (file, G_FILE_MONITOR_NONE, NULL, error); + g_object_unref (file); + + if (monitor) { + info = g_new0 (FileMonitorInfo, 1); + info->callback = callback; + info->user_data = user_data; + g_object_weak_ref (G_OBJECT (monitor), (GWeakNotify) g_free, + info); + g_signal_connect (monitor, "changed", G_CALLBACK (file_changed), + info); + PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Monitoring %s", filename); + + } else + PLUGIN_WARN (IFNET_PLUGIN_NAME, + "Monitoring %s failed, error: %s", filename, + error == NULL ? "nothing" : (*error)->message); + + return monitor; +} + +static void +update_old_connection (gchar * conn_name, + NMIfnetConnection * old_conn, + NMIfnetConnection * new_conn, + SCPluginIfnetPrivate * priv) +{ + GError **error = NULL; + + if (!nm_sysconfig_connection_update (NM_SYSCONFIG_CONNECTION (old_conn), + NM_CONNECTION (new_conn), TRUE, + error)) { + PLUGIN_WARN (IFNET_PLUGIN_NAME, "error updating: %s", + (error + && (*error)) ? (*error)->message : "(unknown)"); + } else + PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Connection %s updated", + conn_name); + g_object_unref (new_conn); +} + +static void +setup_monitors (NMIfnetConnection * connection, gpointer user_data) +{ + SCPluginIfnet *self = SC_PLUGIN_IFNET (user_data); + SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (self); + + priv->hostname_monitor = + monitor_file_changes (IFNET_SYSTEM_HOSTNAME_FILE, + update_system_hostname, user_data); + priv->net_monitor = + monitor_file_changes (CONF_NET_FILE, reload_connections, user_data); + priv->wpa_monitor = + monitor_file_changes (WPA_SUPPLICANT_CONF, reload_connections, + user_data); +} + +static void +cancel_monitors (NMIfnetConnection * connection, gpointer user_data) +{ + SCPluginIfnet *self = SC_PLUGIN_IFNET (user_data); + SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (self); + + if (priv->hostname_monitor) { + g_file_monitor_cancel (priv->hostname_monitor); + g_object_unref (priv->hostname_monitor); + } + if (priv->net_monitor) { + g_file_monitor_cancel (priv->net_monitor); + g_object_unref (priv->net_monitor); + } + if (priv->wpa_monitor) { + g_file_monitor_cancel (priv->wpa_monitor); + g_object_unref (priv->wpa_monitor); + } +} + +static void +reload_connections (gpointer config) +{ + SCPluginIfnet *self = SC_PLUGIN_IFNET (config); + SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (self); + GList *conn_names = NULL, *n_iter = NULL; + + /* save names for removing unused connections */ + GHashTable *new_conn_names = NULL; + GHashTableIter iter; + gpointer key; + gpointer value; + + if (priv->unmanaged_well_known) + return; + + if (!reload_parsers ()) + return; + PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Loading connections"); + conn_names = ifnet_get_connection_names (); + new_conn_names = + g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); + for (n_iter = conn_names; n_iter; n_iter = g_list_next (n_iter)) { + NMIfnetConnection *exported; + NMIfnetConnection *old; + gchar *conn_name = g_strdup (n_iter->data); + + /* add the new connection */ + exported = nm_ifnet_connection_new (conn_name); + if (!exported) { + g_free (conn_name); + continue; + } + g_signal_connect (G_OBJECT (exported), "ifnet_setup_monitors", + G_CALLBACK (setup_monitors), config); + g_signal_connect (G_OBJECT (exported), "ifnet_cancel_monitors", + G_CALLBACK (cancel_monitors), config); + old = g_hash_table_lookup (priv->config_connections, conn_name); + if (old && exported) { + gchar *auto_refresh = + ifnet_get_global_setting (IFNET_KEY_FILE_GROUP, + "auto_refresh"); + + if (auto_refresh && is_true (auto_refresh)) { + if (!nm_connection_compare (NM_CONNECTION (old), + NM_CONNECTION + (exported), + NM_SETTING_COMPARE_FLAG_EXACT)) + { + PLUGIN_PRINT (IFNET_PLUGIN_NAME, + "Auto refreshing %s", + conn_name); + g_signal_emit_by_name (old, + NM_SETTINGS_CONNECTION_INTERFACE_REMOVED); + g_hash_table_remove + (priv->config_connections, + conn_name); + g_hash_table_insert + (priv->config_connections, + g_strdup (conn_name), exported); + if (is_managed (conn_name)) + g_signal_emit_by_name (self, + NM_SYSTEM_CONFIG_INTERFACE_CONNECTION_ADDED, + exported); + } + } else + update_old_connection (conn_name, old, + exported, priv); + g_signal_emit_by_name (self, + NM_SYSTEM_CONFIG_INTERFACE_UNMANAGED_SPECS_CHANGED); + } else if (exported) { + g_hash_table_insert (priv->config_connections, + g_strdup (conn_name), exported); + if (is_managed (conn_name)) + g_signal_emit_by_name (self, + NM_SYSTEM_CONFIG_INTERFACE_CONNECTION_ADDED, + exported); + } + g_hash_table_insert (new_conn_names, conn_name, conn_name); + } + /* remove unused connections */ + g_hash_table_iter_init (&iter, priv->config_connections); + while (g_hash_table_iter_next (&iter, &key, &value)) { + if (!g_hash_table_lookup (new_conn_names, key)) { + g_signal_emit_by_name (value, + NM_SETTINGS_CONNECTION_INTERFACE_REMOVED); + g_hash_table_remove (priv->config_connections, key); + } + } + g_hash_table_remove_all (new_conn_names); + g_hash_table_destroy (new_conn_names); + g_list_free (conn_names); +} + +static gboolean +add_connection (NMSystemConfigInterface * config, + NMConnection * connection, GError ** error) +{ + gboolean result; + + result = ifnet_add_new_connection (connection, CONF_NET_FILE, + WPA_SUPPLICANT_CONF, error); + reload_connections (config); + return result; +} + +static void +check_unmanaged (gpointer key, gpointer data, gpointer user_data) +{ + GSList **list = (GSList **) user_data; + gchar *conn_name = (gchar *) key; + const char *unmanaged_spec; + GSList *iter; + + if (is_managed (conn_name)) + return; + PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Checking unmanaged: %s", conn_name); + unmanaged_spec = ifnet_get_data (conn_name, "mac"); + 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; + } + + PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Add unmanaged: %s", unmanaged_spec); + *list = + g_slist_prepend (*list, g_strdup_printf ("mac:%s", unmanaged_spec)); +} + +static GSList * +get_unmanaged_specs (NMSystemConfigInterface * config) +{ + SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (config); + GSList *list = NULL; + + g_return_val_if_fail (priv->config_connections != NULL, NULL); + PLUGIN_PRINT (IFNET_PLUGIN_NAME, "getting unmanaged specs..."); + g_hash_table_foreach (priv->config_connections, check_unmanaged, &list); + return list; +} + +static void +SCPluginIfnet_init (NMSystemConfigInterface * config) +{ + SCPluginIfnet *self = SC_PLUGIN_IFNET (config); + SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (self); + + PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Initializing!"); + if (!priv->config_connections) + priv->config_connections = + g_hash_table_new_full (g_str_hash, g_str_equal, g_free, + g_object_unref); + priv->unmanaged_well_known = !is_managed_plugin (); + PLUGIN_PRINT (IFNET_PLUGIN_NAME, "management mode: %s", + priv->unmanaged_well_known ? "unmanaged" : "managed"); + // GFileMonitor setup + setup_monitors (NULL, config); + reload_connections (config); + /* Now if we're running in managed mode, let NM know there are new connections */ + if (!priv->unmanaged_well_known) { + GHashTableIter iter; + gpointer key; + gpointer value; + + g_hash_table_iter_init (&iter, priv->config_connections); + while (g_hash_table_iter_next (&iter, &key, &value)) { + if (is_managed ((gchar *) key)) + g_signal_emit_by_name + (self, + NM_SYSTEM_CONFIG_INTERFACE_CONNECTION_ADDED, + NM_EXPORTED_CONNECTION (value)); + } + } + /* Read hostname */ + update_system_hostname (self); + + PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Initialzation complete!"); +} + +static GSList * +SCPluginIfnet_get_connections (NMSystemConfigInterface * config) +{ + 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); +} |