+++ /dev/null
-/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
-/* NetworkManager system settings service - keyfile plugin
- *
- * 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) 2012 Red Hat, Inc.
- */
-
-#include "config.h"
-
-#include <string.h>
-#include <glib/gstdio.h>
-#include <nm-dbus-interface.h>
-#include <nm-setting-connection.h>
-#include <nm-utils.h>
-
-#include "nm-system-config-interface.h"
-#include "nm-dbus-glib-types.h"
-#include "nm-example-connection.h"
-#include "common.h"
-
-/* GObject boilerplate; this object is a subclass of NMSettingsConnection
- * which is specified by the NM_TYPE_SETTINGS_CONNECTION bit here. That
- * in turn is a subclass of NMConnection, so it ends up that NMExampleConnection
- * is a subclass of NMConnection too.
- */
-G_DEFINE_TYPE (NMExampleConnection, nm_example_connection, NM_TYPE_SETTINGS_CONNECTION)
-
-#define NM_EXAMPLE_CONNECTION_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_EXAMPLE_CONNECTION, NMExampleConnectionPrivate))
-
-/* Object private instance data */
-typedef struct {
- char *path;
-} NMExampleConnectionPrivate;
-
-
-/* Creates a new object which encapsulates an on-disk connection and any
- * plugin-specific operations or data.
- */
-NMExampleConnection *
-nm_example_connection_new (const char *full_path,
- NMConnection *source,
- GError **error)
-{
- GObject *object;
- NMExampleConnectionPrivate *priv;
- NMConnection *tmp;
- const char *uuid;
-
- 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 {
- /* Read the data offdisk and translate it into a simple NMConnection object */
- tmp = connection_from_file (full_path, error);
- if (!tmp)
- return NULL;
- }
-
- /* Actually create the new NMExampleConnection object */
- object = (GObject *) g_object_new (NM_TYPE_EXAMPLE_CONNECTION, NULL);
- priv = NM_EXAMPLE_CONNECTION_GET_PRIVATE (object);
- priv->path = g_strdup (full_path);
-
- /* Update our settings with what was read from the file or what got passed
- * in as a source NMConnection.
- */
- if (!nm_settings_connection_replace_settings (NM_SETTINGS_CONNECTION (object),
- tmp,
- TRUE,
- NULL,
- error)) {
- g_object_unref (object);
- object = NULL;
- goto out;
- }
-
- /* Make sure we have a UUID; just a sanity check */
- uuid = nm_connection_get_uuid (NM_CONNECTION (object));
- if (!uuid) {
- g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
- "Connection in file %s had no UUID", full_path);
- g_object_unref (object);
- object = NULL;
- }
-
-out:
- g_object_unref (tmp);
- return (NMExampleConnection *) object;
-}
-
-const char *
-nm_example_connection_get_path (NMExampleConnection *self)
-{
- g_return_val_if_fail (NM_IS_EXAMPLE_CONNECTION (self), NULL);
-
- /* Simple accessor that returns the file path from our private instance data */
- return NM_EXAMPLE_CONNECTION_GET_PRIVATE (self)->path;
-}
-
-static void
-commit_changes (NMSettingsConnection *connection,
- NMSettingsConnectionCommitFunc callback,
- gpointer user_data)
-{
- NMExampleConnectionPrivate *priv = NM_EXAMPLE_CONNECTION_GET_PRIVATE (connection);
- char *path = NULL;
- GError *error = NULL;
-
- /* Write the new connection data out to disk. This function passes
- * back the path of the file it wrote out so that we know what that
- * path is if the connection is a completely new one.
- */
- if (!write_connection (NM_CONNECTION (connection), priv->path, &path, &error)) {
- callback (connection, error, user_data);
- g_clear_error (&error);
- return;
- }
-
- /* Update the filename if it changed */
- if (path) {
- g_free (priv->path);
- priv->path = path;
- }
-
- /* Chain up to parent for generic commit stuff */
- NM_SETTINGS_CONNECTION_CLASS (nm_example_connection_parent_class)->commit_changes (connection,
- callback,
- user_data);
-}
-
-static void
-do_delete (NMSettingsConnection *connection,
- NMSettingsConnectionDeleteFunc callback,
- gpointer user_data)
-{
- NMExampleConnectionPrivate *priv = NM_EXAMPLE_CONNECTION_GET_PRIVATE (connection);
-
- g_unlink (priv->path);
-
- /* Chain up to parent for generic deletion stuff */
- NM_SETTINGS_CONNECTION_CLASS (nm_example_connection_parent_class)->delete (connection,
- callback,
- user_data);
-}
-
-/**************************************************************/
-
-static void
-nm_example_connection_init (NMExampleConnection *connection)
-{
-}
-
-static void
-finalize (GObject *object)
-{
- g_free (NM_EXAMPLE_CONNECTION_GET_PRIVATE (object)->path);
-
- G_OBJECT_CLASS (nm_example_connection_parent_class)->finalize (object);
-}
-
-static void
-nm_example_connection_class_init (NMExampleConnectionClass *keyfile_connection_class)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (keyfile_connection_class);
- NMSettingsConnectionClass *settings_class = NM_SETTINGS_CONNECTION_CLASS (keyfile_connection_class);
-
- /* Tells GObject to allocate and zero our instance data pointer */
- g_type_class_add_private (keyfile_connection_class, sizeof (NMExampleConnectionPrivate));
-
- /* Overrides of various superclass methods */
- object_class->finalize = finalize;
- settings_class->commit_changes = commit_changes;
- settings_class->delete = do_delete;
-}
+++ /dev/null
-/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
-/* NetworkManager system settings service - keyfile plugin
- *
- * 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) 2012 Red Hat, Inc.
- */
-
-#include "config.h"
-
-#include <sys/stat.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <string.h>
-
-#include <gmodule.h>
-#include <glib.h>
-#include <glib/gstdio.h>
-#include <gio/gio.h>
-
-#include <nm-connection.h>
-#include <nm-setting.h>
-#include <nm-setting-connection.h>
-#include <nm-utils.h>
-#include <nm-config.h>
-#include <nm-logging.h>
-
-#include "plugin.h"
-#include "nm-system-config-interface.h"
-#include "common.h"
-#include "nm-example-connection.h"
-
-static void system_config_interface_init (NMSystemConfigInterface *system_config_interface_class);
-
-/* GObject object definition. This actually defines the object and tells
- * GObject about the interfaces this object provides. Here we provide
- * the "system config interface" which is the API that NetworkManager uses
- * to communicate with this plugin.
- *
- * Interface and super/sub-class access with GObject works via casting and
- * GObject magically figures out what needs to be called. So, given:
- *
- * SCPluginExample *plugin = <new plugin>;
- *
- * you can call GObject methods since SCPluginExample inherits from GObject
- * via the G_TYPE_OBJECT argument of G_DEFINE_TYPE_EXTENDED below:
- *
- * g_object_set_data (G_OBJECT (plugin), ...);
- *
- * and since SCPluginExample implements NMSystemConfigInterface via the
- * G_IMPLEMENT_INTERFACE bit below, we can also call any methods of
- * NMSystemConfigInterface (defined in NM sources in nm-system-config-interface.c):
- *
- * connections = nm_system_config_interface_get_connections (NM_SYSTEM_CONFIG_INTERFACE (plugin));
- *
- * For the call to nm_system_config_interface_get_connections() that eventually
- * ends up in the get_connections() method in this file because the
- * system_config_interface_init() function sets up the vtable for this objects
- * implementation of NMSystemConfigInterface.
- */
-G_DEFINE_TYPE_EXTENDED (SCPluginExample, sc_plugin_example, G_TYPE_OBJECT, 0,
- G_IMPLEMENT_INTERFACE (NM_TYPE_SYSTEM_CONFIG_INTERFACE, system_config_interface_init))
-
-/* Quick define to access the object's private data pointer; this pointer
- * points to the object's instance data.
- */
-#define SC_PLUGIN_EXAMPLE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), SC_TYPE_PLUGIN_EXAMPLE, SCPluginExamplePrivate))
-
-/* Instance data. When the object is created, a new structure of this type
- * will be created and zeroed for this instance of the object to use. This
- * is actually done by g_type_class_add_private() when called from the object's
- * class init function.
- */
-typedef struct {
- /* This hash holds each connection known to this plugin */
- GHashTable *connections;
-
- /* A watch for changes on the directory that holds the configuration files
- * so the plugin can respond to configuration changes on-the-fly and
- * tell NM that the connection data has changed. Typically the plugin
- * needs to monitor the directory itself (to watch for completely new files)
- * while the individual connections watch their individual config files.
- */
- GFileMonitor *monitor;
- guint monitor_id;
-
- /* Tracks changes to the global NM config file, just in case our
- * plugin has some specific options (like unmanaged devices) that
- * might be changed at runtime.
- */
- const char *conf_file;
- GFileMonitor *conf_file_monitor;
- guint conf_file_monitor_id;
-
-} SCPluginExamplePrivate;
-
-static NMSettingsConnection *
-_internal_new_connection (SCPluginExample *self,
- const char *full_path,
- NMConnection *source,
- GError **error)
-{
- SCPluginExamplePrivate *priv = SC_PLUGIN_EXAMPLE_GET_PRIVATE (self);
- NMExampleConnection *connection;
-
- g_return_val_if_fail (full_path != NULL, NULL);
-
- /* 'source' will usually be NULL if we're going to read the connection
- * off disk. But if the new connection is coming from NetworkManager
- * (ie, from a D-Bus AddConnection request) then we'll have 'source' too.
- * This function expects the connection to already be written to disk
- * so that the NMExampleConnection object can re-read it and intialize
- * state in the same manner as when getting a change notification from
- * the config directory. That simplifies things somewhat.
- */
-
- connection = nm_example_connection_new (full_path, source, error);
- if (connection) {
- g_hash_table_insert (priv->connections,
- g_strdup (nm_example_connection_get_path (connection)),
- connection);
- }
-
- return (NMSettingsConnection *) connection;
-}
-
-/* Read each file in our config directory and try to create a new
- * NMExamplePlugin for it.
- */
-static void
-read_connections (NMSystemConfigInterface *config)
-{
- SCPluginExample *self = SC_PLUGIN_EXAMPLE (config);
- GDir *dir;
- GError *error = NULL;
- const char *item;
-
- dir = g_dir_open (EXAMPLE_DIR, 0, &error);
- if (!dir) {
- nm_log_warn (LOGD_SETTINGS, "Cannot read directory '%s': (%d) %s",
- EXAMPLE_DIR,
- error ? error->code : -1,
- error && error->message ? error->message : "(unknown)");
- g_clear_error (&error);
- return;
- }
-
- while ((item = g_dir_read_name (dir))) {
- NMSettingsConnection *connection;
- char *full_path;
-
- /* XXX: Check file extension and ignore "~", ".tmp", ".bak", etc */
-
- full_path = g_build_filename (EXAMPLE_DIR, item, NULL);
- nm_log_info (LOGD_SETTINGS, "parsing %s ... ", item);
-
- connection = _internal_new_connection (self, full_path, NULL, &error);
- if (connection) {
- nm_log_info (LOGD_SETTINGS, " read connection '%s'",
- nm_connection_get_id (NM_CONNECTION (connection)));
- } else {
- nm_log_info (LOGD_SETTINGS, " error: %s",
- (error && error->message) ? error->message : "(unknown)");
- }
- g_clear_error (&error);
- g_free (full_path);
- }
- g_dir_close (dir);
-}
-
-static void
-update_connection_settings_commit_cb (NMSettingsConnection *orig, GError *error, gpointer user_data)
-{
- /* If there was an error updating the connection's internal stuff, then
- * we can't do anything except log it and remove the connection. This might
- * happen due to invalid data, but as the data would already have been
- * verified before it ever got to this plugin, we shouldn't ever get
- * an error here.
- */
- if (error) {
- nm_log_warn (LOGD_SETTINGS, "%s: connection invalid: %s",
- __func__, error->message);
- g_clear_error (&error);
-
- nm_settings_connection_signal_remove (orig);
- }
-}
-
-static void
-update_connection_settings (NMExampleConnection *orig,
- NMExampleConnection *new)
-{
- /* This just replaces the orig's internal settings with those from new */
- nm_settings_connection_replace_and_commit (NM_SETTINGS_CONNECTION (orig),
- NM_CONNECTION (new),
- update_connection_settings_commit_cb, NULL);
-}
-
-/* Monitoring */
-
-static void
-remove_connection (SCPluginExample *self,
- NMExampleConnection *connection,
- const char *name)
-{
- g_return_if_fail (connection != NULL);
- g_return_if_fail (name != NULL);
-
- /* Removing from the hash table should drop the last reference, but since
- * we need the object to stay alive across the signal emission to NM,
- * we grab a temporary reference.
- */
- g_object_ref (connection);
- g_hash_table_remove (SC_PLUGIN_EXAMPLE_GET_PRIVATE (self)->connections, name);
-
- /* Tell NM the connection is gone */
- nm_settings_connection_signal_remove (NM_SETTINGS_CONNECTION (connection));
-
- /* Remove the temporary reference; connection will now be destroyed */
- g_object_unref (connection);
-}
-
-/* Look through all connections we know about and return one with a given UUID */
-static NMExampleConnection *
-find_by_uuid (SCPluginExample *self, const char *uuid)
-{
- SCPluginExamplePrivate *priv = SC_PLUGIN_EXAMPLE_GET_PRIVATE (self);
- GHashTableIter iter;
- gpointer data = NULL;
-
- g_return_val_if_fail (uuid != NULL, NULL);
-
- g_hash_table_iter_init (&iter, priv->connections);
- while (g_hash_table_iter_next (&iter, NULL, &data)) {
- NMConnection *candidate = NM_CONNECTION (data);
-
- if (strcmp (uuid, nm_connection_get_uuid (candidate)) == 0)
- return NM_EXAMPLE_CONNECTION (candidate);
- }
- return NULL;
-}
-
-
-static void
-dir_changed (GFileMonitor *monitor,
- GFile *file,
- GFile *other_file,
- GFileMonitorEvent event_type,
- gpointer user_data)
-{
- NMSystemConfigInterface *config = NM_SYSTEM_CONFIG_INTERFACE (user_data);
- SCPluginExample *self = SC_PLUGIN_EXAMPLE (config);
- SCPluginExamplePrivate *priv = SC_PLUGIN_EXAMPLE_GET_PRIVATE (self);
- char *full_path;
- NMExampleConnection *connection;
- GError *error = NULL;
-
- full_path = g_file_get_path (file);
- /* XXX: Check here if you need to ignore this file, ie by checking for
- * extensions like "~" and ".bak" or ".tmp". If so just return;
- */
-
- /* Check if we know about this connection already */
- connection = g_hash_table_lookup (priv->connections, full_path);
-
- switch (event_type) {
- case G_FILE_MONITOR_EVENT_DELETED:
- if (connection) {
- nm_log_info (LOGD_SETTINGS, "removed %s.", full_path);
- remove_connection (SC_PLUGIN_EXAMPLE (config), connection, full_path);
- }
- break;
- case G_FILE_MONITOR_EVENT_CREATED:
- case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
- if (connection) {
- /* Update of an existing connection. Here we re-read the file and
- * compare it against the existing connection to check if anything
- * actually changed.
- */
- NMExampleConnection *tmp;
-
- tmp = nm_example_connection_new (full_path, NULL, &error);
- if (tmp) {
- if (!nm_connection_compare (NM_CONNECTION (connection),
- NM_CONNECTION (tmp),
- NM_SETTING_COMPARE_FLAG_IGNORE_AGENT_OWNED_SECRETS |
- NM_SETTING_COMPARE_FLAG_IGNORE_NOT_SAVED_SECRETS)) {
- /* Connection changed; update our internal connection object */
- nm_log_info (LOGD_SETTINGS, "updating %s", full_path);
- update_connection_settings (connection, tmp);
- }
- g_object_unref (tmp);
- } else {
- /* There was an error parsing the updated connection; it may
- * no longer be valid and thus we've got to delete it. If it
- * becomes valid again later we'll get another change
- * notification, we'll re-read it, and we'll treat it as new.
- */
- nm_log_info (LOGD_SETTINGS, " error: %s",
- (error && error->message) ? error->message : "(unknown)");
- remove_connection (SC_PLUGIN_EXAMPLE (config), connection, full_path);
- }
- g_clear_error (&error);
- } else {
- nm_log_info (LOGD_SETTINGS, "updating %s", full_path);
-
- /* We don't know about the connection yet, so the change represents
- * a completely new connection.
- */
- connection = nm_example_connection_new (full_path, NULL, &error);
- if (connection) {
- NMExampleConnection *found = NULL;
-
- /* Connection renames will show up as different files but with
- * the same UUID. Try to find the original connection.
- * A connection rename is treated just like an update except
- * there's a bit more housekeeping with the hash table.
- */
- found = find_by_uuid (self, nm_connection_get_uuid (NM_CONNECTION (connection)));
- if (found) {
- const char *old_path = nm_example_connection_get_path (connection);
-
- /* Removing from the hash table should drop the last reference,
- * but of course we want to keep the connection around.
- */
- g_object_ref (found);
- g_hash_table_remove (priv->connections, old_path);
-
- /* Updating settings should update the NMExampleConnection's
- * filename property too.
- */
- update_connection_settings (found, connection);
-
- /* Re-insert the connection back into the hash with the new filename */
- g_hash_table_insert (priv->connections,
- g_strdup (nm_example_connection_get_path (found)),
- found);
-
- /* Get rid of the temporary connection */
- g_object_unref (connection);
- } else {
- /* Completely new connection, not a rename. */
- g_hash_table_insert (priv->connections,
- g_strdup (nm_example_connection_get_path (connection)),
- connection);
- /* Tell NM we found a new connection */
- g_signal_emit_by_name (config, NM_SYSTEM_CONFIG_INTERFACE_CONNECTION_ADDED, connection);
- }
- } else {
- nm_log_info (LOGD_SETTINGS, " error: %s", (error && error->message) ? error->message : "(unknown)");
- g_clear_error (&error);
- }
- }
- break;
- default:
- break;
- }
-
- g_free (full_path);
-}
-
-static void
-conf_file_changed (GFileMonitor *monitor,
- GFile *file,
- GFile *other_file,
- GFileMonitorEvent event_type,
- gpointer data)
-{
- SCPluginExample *self = SC_PLUGIN_EXAMPLE (data);
-
- switch (event_type) {
- case G_FILE_MONITOR_EVENT_DELETED:
- case G_FILE_MONITOR_EVENT_CREATED:
- case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
- /* Unmanaged devices option may have changed; just emit the changed
- * signal for unmanaged specs and when NM calls back in to get the
- * updated specs we'll re-read the config file then.
- */
- g_signal_emit_by_name (self, NM_SYSTEM_CONFIG_INTERFACE_UNMANAGED_SPECS_CHANGED);
- break;
- default:
- break;
- }
-}
-
-/* This function starts the inotify monitors that watch the plugin's config
- * file directory for new connections and changes to existing connections
- * (if not disabled by NetworkManager.conf), and for changes to the plugin's
- * non-connection config files.
- */
-static void
-setup_monitoring (NMSystemConfigInterface *config)
-{
- SCPluginExamplePrivate *priv = SC_PLUGIN_EXAMPLE_GET_PRIVATE (config);
- GFileMonitor *monitor;
- GFile *file;
-
- /* Initialize connection hash here; we use the connection hash as the
- * "are we initialized yet" variable.
- */
- priv->connections = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
-
- if (nm_config_get_monitor_connection_files (nm_config_get ())) {
- /* Set up the watch for our config directory */
- file = g_file_new_for_path (EXAMPLE_DIR);
- monitor = g_file_monitor_directory (file, G_FILE_MONITOR_NONE, NULL, NULL);
- g_object_unref (file);
- if (monitor) {
- /* This registers the dir_changed() function to be called whenever
- * the GFileMonitor object notices a change in the directory.
- */
- priv->monitor_id = g_signal_connect (monitor, "changed", G_CALLBACK (dir_changed), config);
- priv->monitor = monitor;
- }
- }
-
- /* Set up a watch on our configuration file, basically just for watching
- * whether the user has changed the unmanaged devices option
- */
- if (priv->conf_file) {
- file = g_file_new_for_path (priv->conf_file);
- monitor = g_file_monitor_file (file, G_FILE_MONITOR_NONE, NULL, NULL);
- g_object_unref (file);
-
- if (monitor) {
- priv->conf_file_monitor_id = g_signal_connect (monitor, "changed", G_CALLBACK (conf_file_changed), config);
- priv->conf_file_monitor = monitor;
- }
- }
-}
-
-/*******************************************************************/
-
-/* Return to NM the full list of connections this plugin owns */
-static GSList *
-get_connections (NMSystemConfigInterface *config)
-{
- SCPluginExamplePrivate *priv = SC_PLUGIN_EXAMPLE_GET_PRIVATE (config);
- GHashTableIter iter;
- NMSettingsConnection *connection;
- GSList *list = NULL;
-
- if (!priv->connections) {
- /* If we haven't read connections in yet, do so now */
- setup_monitoring (config);
- read_connections (config);
- }
-
- /* Add each connection from our internal hash table to a list returned
- * to NetworkManager.
- */
- g_hash_table_iter_init (&iter, priv->connections);
- while (g_hash_table_iter_next (&iter, NULL, (gpointer) &connection))
- list = g_slist_prepend (list, connection);
- return list;
-}
-
-/* Called by NetworkManager when a user adds a new connection via D-Bus.
- * The plugin should convert the data in 'connection' to its on-disk format
- * write it out to disk, and return an object that's a subclass of
- * NMSettingsConnection. Typically plugins will subclass NMSettingsConnection
- * and use that class to handle any plugin-specific stuff like monitoring
- * the on-disk config files for changes, and/or parsing the file-format and
- * converting back and forth from that to NMConnection.
- */
-static NMSettingsConnection *
-add_connection (NMSystemConfigInterface *config,
- NMConnection *connection,
- gboolean save_to_disk,
- GError **error)
-{
- SCPluginExample *self = SC_PLUGIN_EXAMPLE (config);
- NMSettingsConnection *added = NULL;
- char *path = NULL;
-
- /* Write it out first, then add the connection to our internal list; that
- * way we don't trigger the new NMSettingsConnection subclass' file watch
- * functions needlessly.
- */
- if (save_to_disk && !write_connection (connection, NULL, &path, error))
- return NULL;
-
- added = _internal_new_connection (self, path, connection, error);
- g_free (path);
- return added;
-}
-
-/* This function returns a list of "unmanaged device specs" which represent
- * a list of devices that NetworkManager should not manage. Each unmanaged
- * spec item has a specific format starting with a "tag" and followed by
- * tag-specific data. The only currently specified items are "mac:" followed
- * by the MAC address of the interface NM should not manage, or "interface-name:"
- * followed by the name of the interface NM should not manage. This function
- * reads the list of unmanaged devices from wherever the plugin wants to
- * store them and returns that list to NetworkManager.
- */
-static GSList *
-get_unmanaged_specs (NMSystemConfigInterface *config)
-{
- SCPluginExamplePrivate *priv = SC_PLUGIN_EXAMPLE_GET_PRIVATE (config);
- GKeyFile *key_file;
- GSList *specs = NULL;
- GError *error = NULL;
- char *str, **ids;
- int i;
-
- if (!priv->conf_file)
- return NULL;
-
- key_file = g_key_file_new ();
- if (!g_key_file_load_from_file (key_file, priv->conf_file, G_KEY_FILE_NONE, &error)) {
- nm_log_warn (LOGD_SETTINGS, "Error parsing file '%s': %s", priv->conf_file, error->message);
- g_error_free (error);
- goto out;
- }
-
-
- str = g_key_file_get_value (key_file, "keyfile", "unmanaged-devices", NULL);
- if (!str)
- goto out;
-
- ids = g_strsplit (str, ";", -1);
- for (i = 0; ids[i] != NULL; i++) {
- /* Verify unmanaged specification and add it to the list */
- if (!strncmp (ids[i], "mac:", 4) && nm_utils_hwaddr_valid (ids[i] + 4, -1)) {
- specs = g_slist_append (specs, ids[i]);
- } else if (!strncmp (ids[i], "interface-name:", 15) && nm_utils_iface_valid_name (ids[i] + 15)) {
- specs = g_slist_append (specs, ids[i]);
- } else {
- nm_log_warn (LOGD_SETTINGS, "Error in file '%s': invalid unmanaged-devices entry: '%s'", priv->conf_file, ids[i]);
- g_free (ids[i]);
- }
- }
-
- g_free (ids); /* Yes, g_free, not g_strfreev because we need the strings in the list */
- g_free (str);
-
-out:
- g_key_file_free (key_file);
- return specs;
-}
-
-/* GObject */
-
-static void
-sc_plugin_example_init (SCPluginExample *plugin)
-{
- /* Here we'd do any instance-specific initialization like setting
- * members of SCPluginExamplePrivate to default values. But we
- * don't have anything to do here since most initialization is done
- * when NM calls the various entry points.
- */
-}
-
-static void
-get_property (GObject *object, guint prop_id,
- GValue *value, GParamSpec *pspec)
-{
- switch (prop_id) {
- case NM_SYSTEM_CONFIG_INTERFACE_PROP_NAME:
- g_value_set_string (value, EXAMPLE_PLUGIN_NAME);
- break;
- case NM_SYSTEM_CONFIG_INTERFACE_PROP_INFO:
- g_value_set_string (value, EXAMPLE_PLUGIN_INFO);
- break;
- case NM_SYSTEM_CONFIG_INTERFACE_PROP_CAPABILITIES:
- /* Return capabilities to NM; this plugin supports changing connections.
- * If the plugin can't write out updated configuration, then obviously
- * it shouldn't advertise that capability.
- */
- g_value_set_uint (value, NM_SYSTEM_CONFIG_INTERFACE_CAP_MODIFY_CONNECTIONS);
- 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) {
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-dispose (GObject *object)
-{
- SCPluginExamplePrivate *priv = SC_PLUGIN_EXAMPLE_GET_PRIVATE (object);
-
- /* GObject has a two-stage object destruction process: dispose and finalize.
- * In dispose the object should free any references it might have on other
- * objects to break circular refs, then it's finally cleaned up by finalize.
- * We don't bother to implement a finalize, so we just make sure that we
- * clean everything up (including clearing pointers) in dispose so that
- * if GObject decides to revive this object post-dispose (yes, legal)
- * we don't crash on dangling pointers.
- */
-
- if (priv->monitor) {
- if (priv->monitor_id) {
- g_signal_handler_disconnect (priv->monitor, priv->monitor_id);
- priv->monitor_id = 0;
- }
-
- g_file_monitor_cancel (priv->monitor);
- g_object_unref (priv->monitor);
- priv->monitor = NULL;
- }
-
- if (priv->conf_file_monitor) {
- if (priv->conf_file_monitor_id) {
- g_signal_handler_disconnect (priv->conf_file_monitor, priv->conf_file_monitor_id);
- priv->conf_file_monitor_id = 0;
- }
-
- g_file_monitor_cancel (priv->conf_file_monitor);
- g_object_unref (priv->conf_file_monitor);
- priv->conf_file_monitor = NULL;
- }
-
- if (priv->connections) {
- /* Destroying the connections hash unrefs each connection in it
- * due to the GHashTable value_destroy_func that we passed into
- * g_hash_table_new_full().
- */
- g_hash_table_destroy (priv->connections);
- priv->connections = NULL;
- }
-
- /* Chain up to the superclass */
- G_OBJECT_CLASS (sc_plugin_example_parent_class)->dispose (object);
-}
-
-/* This function gets called to set up any method and property overrides
- * of superclasses, and also (if we actually had any) to set up any
- * custom properties and signals this object might have. This is called before
- * the object is actually instantiated; it just sets up the generic class
- * stuff, not anything related to a specific object instance.
- */
-static void
-sc_plugin_example_class_init (SCPluginExampleClass *req_class)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (req_class);
-
- /* This actually creates and zeros the object's instance data struct */
- g_type_class_add_private (req_class, sizeof (SCPluginExamplePrivate));
-
- /* Override GObject base class methods with our custom implementations */
- object_class->dispose = dispose;
- object_class->get_property = get_property;
- object_class->set_property = set_property;
-
- /* Override various GObject properties that we need to change. Here we
- * just tell GObject that we will be handling the get/set operations for
- * these specific properties. They are actually defined by the
- * NMSystemConfigInterface interface in nm-system-config-interface.c.
- * What happens here is that we tell GObject that for a given property
- * name (ie NM_SYSTEM_CONFIG_INTERFACE_NAME) we'll be using the enum value
- * NM_SYSTEM_CONFIG_INTERFACE_PROP_NAME locally in get_property() and
- * 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);
-}
-
-static void
-system_config_interface_init (NMSystemConfigInterface *sci_intf)
-{
- /* Interface implementation for NMSystemConfigInterface. This sets
- * up the GInterface vtable that lets GObject know what functions to
- * call for each method of the NMSystemConfigInterface interface.
- */
- sci_intf->get_connections = get_connections;
- sci_intf->add_connection = add_connection;
- sci_intf->get_unmanaged_specs = get_unmanaged_specs;
-}
-
-/*******************************************************************/
-
-/* Factory function: this is the first entry point for NetworkManager, which
- * gets called during NM startup to create the instance of this plugin
- * that NetworkManager will actually use. Since every plugin is a singleton
- * we just return a singleton instance. This function should never be called
- * twice.
- */
-G_MODULE_EXPORT GObject *
-nm_system_config_factory (void)
-{
- static SCPluginExample *singleton = NULL;
- SCPluginExamplePrivate *priv;
-
- if (!singleton) {
- /* Instantiate our plugin */
- singleton = SC_PLUGIN_EXAMPLE (g_object_new (SC_TYPE_PLUGIN_EXAMPLE, NULL));
- priv = SC_PLUGIN_EXAMPLE_GET_PRIVATE (singleton);
-
- /* Cache the config file path */
- priv->conf_file = nm_config_data_get_config_main_file (nm_config_get_data (nm_config_get ()));
- } else {
- /* This function should never be called twice */
- g_assert_not_reached ();
- }
-
- return G_OBJECT (singleton);
-}
-
projects / NetworkManager.git / commitdiff