mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager
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be18dd06cd
In some situations, objects might get used after being disposed, so clear out their various priv fields so we don't try to access unreffed objects, freed strings, etc. https://bugzilla.gnome.org/show_bug.cgi?id=674473
588 lines
17 KiB
C
588 lines
17 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/*
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* libnm_glib -- Access network status & information from glib applications
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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* Copyright (C) 2007 - 2011 Red Hat, Inc.
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* Copyright (C) 2008 Novell, Inc.
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*/
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#include <string.h>
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#include "NetworkManager.h"
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#include "nm-active-connection.h"
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#include "nm-object-private.h"
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#include "nm-types-private.h"
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#include "nm-device.h"
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#include "nm-device-private.h"
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#include "nm-connection.h"
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#include "nm-vpn-connection.h"
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#include "nm-glib-compat.h"
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static GType _nm_active_connection_type_for_path (DBusGConnection *connection,
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const char *path);
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static void _nm_active_connection_type_for_path_async (DBusGConnection *connection,
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const char *path,
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NMObjectTypeCallbackFunc callback,
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gpointer user_data);
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G_DEFINE_TYPE_WITH_CODE (NMActiveConnection, nm_active_connection, NM_TYPE_OBJECT,
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_nm_object_register_type_func (g_define_type_id,
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_nm_active_connection_type_for_path,
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_nm_active_connection_type_for_path_async);
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)
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#define NM_ACTIVE_CONNECTION_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_ACTIVE_CONNECTION, NMActiveConnectionPrivate))
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typedef struct {
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DBusGProxy *proxy;
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char *connection;
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char *uuid;
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char *specific_object;
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GPtrArray *devices;
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NMActiveConnectionState state;
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gboolean is_default;
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gboolean is_default6;
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char *master;
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} NMActiveConnectionPrivate;
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enum {
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PROP_0,
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PROP_CONNECTION,
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PROP_UUID,
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PROP_SPECIFIC_OBJECT,
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PROP_DEVICES,
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PROP_STATE,
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PROP_DEFAULT,
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PROP_DEFAULT6,
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PROP_MASTER,
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LAST_PROP
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};
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#define DBUS_PROP_CONNECTION "Connection"
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#define DBUS_PROP_UUID "Uuid"
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#define DBUS_PROP_SPECIFIC_OBJECT "SpecificObject"
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#define DBUS_PROP_DEVICES "Devices"
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#define DBUS_PROP_STATE "State"
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#define DBUS_PROP_DEFAULT "Default"
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#define DBUS_PROP_DEFAULT6 "Default6"
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#define DBUS_PROP_MASTER "Master"
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/**
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* nm_active_connection_new:
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* @connection: the #DBusGConnection
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* @path: the DBus object path of the device
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*
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* Creates a new #NMActiveConnection.
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*
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* Returns: (transfer full): a new active connection
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**/
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GObject *
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nm_active_connection_new (DBusGConnection *connection, const char *path)
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{
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g_return_val_if_fail (connection != NULL, NULL);
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g_return_val_if_fail (path != NULL, NULL);
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return g_object_new (NM_TYPE_ACTIVE_CONNECTION,
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NM_OBJECT_DBUS_CONNECTION, connection,
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NM_OBJECT_DBUS_PATH, path,
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NULL);
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}
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static GType
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_nm_active_connection_type_for_path (DBusGConnection *connection,
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const char *path)
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{
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DBusGProxy *proxy;
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GError *error = NULL;
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GValue value = {0,};
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GType type;
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proxy = dbus_g_proxy_new_for_name (connection,
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NM_DBUS_SERVICE,
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path,
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"org.freedesktop.DBus.Properties");
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if (!proxy) {
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g_warning ("%s: couldn't create D-Bus object proxy.", __func__);
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return G_TYPE_INVALID;
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}
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/* Have to create an NMVPNConnection if it's a VPN connection, otherwise
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* a plain NMActiveConnection.
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*/
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if (dbus_g_proxy_call (proxy,
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"Get", &error,
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G_TYPE_STRING, NM_DBUS_INTERFACE_ACTIVE_CONNECTION,
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G_TYPE_STRING, "Vpn",
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G_TYPE_INVALID,
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G_TYPE_VALUE, &value, G_TYPE_INVALID)) {
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if (g_value_get_boolean (&value))
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type = NM_TYPE_VPN_CONNECTION;
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else
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type = NM_TYPE_ACTIVE_CONNECTION;
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} else {
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g_warning ("Error in getting active connection 'Vpn' property: (%d) %s",
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error->code, error->message);
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g_error_free (error);
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type = G_TYPE_INVALID;
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}
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g_object_unref (proxy);
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return type;
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}
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typedef struct {
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DBusGConnection *connection;
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NMObjectTypeCallbackFunc callback;
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gpointer user_data;
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} NMActiveConnectionAsyncData;
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static void
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async_got_type (DBusGProxy *proxy, DBusGProxyCall *call, gpointer user_data)
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{
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NMActiveConnectionAsyncData *async_data = user_data;
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GValue value = G_VALUE_INIT;
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const char *path = dbus_g_proxy_get_path (proxy);
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GError *error = NULL;
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GType type;
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if (dbus_g_proxy_end_call (proxy, call, &error,
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G_TYPE_VALUE, &value,
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G_TYPE_INVALID)) {
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if (g_value_get_boolean (&value))
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type = NM_TYPE_VPN_CONNECTION;
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else
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type = NM_TYPE_ACTIVE_CONNECTION;
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} else {
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g_warning ("%s: could not read properties for %s: %s", __func__, path, error->message);
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type = G_TYPE_INVALID;
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}
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async_data->callback (type, async_data->user_data);
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g_object_unref (proxy);
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g_slice_free (NMActiveConnectionAsyncData, async_data);
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}
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static void
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_nm_active_connection_type_for_path_async (DBusGConnection *connection,
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const char *path,
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NMObjectTypeCallbackFunc callback,
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gpointer user_data)
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{
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NMActiveConnectionAsyncData *async_data;
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DBusGProxy *proxy;
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async_data = g_slice_new (NMActiveConnectionAsyncData);
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async_data->connection = connection;
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async_data->callback = callback;
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async_data->user_data = user_data;
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proxy = dbus_g_proxy_new_for_name (connection, NM_DBUS_SERVICE, path,
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"org.freedesktop.DBus.Properties");
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dbus_g_proxy_begin_call (proxy, "Get",
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async_got_type, async_data, NULL,
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G_TYPE_STRING, NM_DBUS_INTERFACE_ACTIVE_CONNECTION,
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G_TYPE_STRING, "Vpn",
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G_TYPE_INVALID);
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}
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/**
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* nm_active_connection_get_connection:
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* @connection: a #NMActiveConnection
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*
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* Gets the #NMConnection<!-- -->'s DBus object path.
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*
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* Returns: the object path of the #NMConnection inside of #NMActiveConnection.
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* This is the internal string used by the connection, and must not be modified.
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**/
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const char *
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nm_active_connection_get_connection (NMActiveConnection *connection)
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{
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g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (connection), NULL);
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_nm_object_ensure_inited (NM_OBJECT (connection));
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return NM_ACTIVE_CONNECTION_GET_PRIVATE (connection)->connection;
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}
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/**
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* nm_active_connection_get_uuid:
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* @connection: a #NMActiveConnection
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*
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* Gets the #NMConnection<!-- -->'s UUID.
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*
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* Returns: the UUID of the #NMConnection that backs the #NMActiveConnection.
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* This is the internal string used by the connection, and must not be modified.
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**/
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const char *
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nm_active_connection_get_uuid (NMActiveConnection *connection)
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{
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g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (connection), NULL);
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_nm_object_ensure_inited (NM_OBJECT (connection));
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return NM_ACTIVE_CONNECTION_GET_PRIVATE (connection)->uuid;
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}
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/**
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* nm_active_connection_get_specific_object:
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* @connection: a #NMActiveConnection
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*
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* Gets the "specific object" used at the activation.
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*
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* Returns: the specific object's DBus path. This is the internal string used by the
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* connection, and must not be modified.
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**/
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const char *
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nm_active_connection_get_specific_object (NMActiveConnection *connection)
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{
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g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (connection), NULL);
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_nm_object_ensure_inited (NM_OBJECT (connection));
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return NM_ACTIVE_CONNECTION_GET_PRIVATE (connection)->specific_object;
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}
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/**
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* nm_active_connection_get_devices:
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* @connection: a #NMActiveConnection
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*
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* Gets the #NMDevice<!-- -->s used for the active connections.
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*
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* Returns: (element-type NMClient.Device): the #GPtrArray containing #NMDevice<!-- -->s.
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* This is the internal copy used by the connection, and must not be modified.
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**/
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const GPtrArray *
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nm_active_connection_get_devices (NMActiveConnection *connection)
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{
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g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (connection), NULL);
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_nm_object_ensure_inited (NM_OBJECT (connection));
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return handle_ptr_array_return (NM_ACTIVE_CONNECTION_GET_PRIVATE (connection)->devices);
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}
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/**
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* nm_active_connection_get_state:
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* @connection: a #NMActiveConnection
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*
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* Gets the active connection's state.
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*
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* Returns: the state
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**/
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NMActiveConnectionState
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nm_active_connection_get_state (NMActiveConnection *connection)
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{
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g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (connection), NM_ACTIVE_CONNECTION_STATE_UNKNOWN);
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_nm_object_ensure_inited (NM_OBJECT (connection));
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return NM_ACTIVE_CONNECTION_GET_PRIVATE (connection)->state;
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}
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/**
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* nm_active_connection_get_default:
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* @connection: a #NMActiveConnection
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*
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* Whether the active connection is the default IPv4 one (that is, is used for
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* the default IPv4 route and DNS information).
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*
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* Returns: %TRUE if the active connection is the default IPv4 connection
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**/
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gboolean
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nm_active_connection_get_default (NMActiveConnection *connection)
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{
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g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (connection), FALSE);
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_nm_object_ensure_inited (NM_OBJECT (connection));
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return NM_ACTIVE_CONNECTION_GET_PRIVATE (connection)->is_default;
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}
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/**
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* nm_active_connection_get_default6:
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* @connection: a #NMActiveConnection
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*
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* Whether the active connection is the default IPv6 one (that is, is used for
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* the default IPv6 route and DNS information).
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*
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* Returns: %TRUE if the active connection is the default IPv6 connection
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**/
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gboolean
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nm_active_connection_get_default6 (NMActiveConnection *connection)
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{
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g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (connection), FALSE);
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_nm_object_ensure_inited (NM_OBJECT (connection));
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return NM_ACTIVE_CONNECTION_GET_PRIVATE (connection)->is_default6;
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}
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/**
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* nm_active_connection_get_master:
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* @connection: a #NMActiveConnection
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*
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* Gets the path to the master #NMDevice of the connection.
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*
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* Returns: the path of the master #NMDevice of the #NMActiveConnection.
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* This is the internal string used by the connection, and must not be modified.
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**/
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const char *
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nm_active_connection_get_master (NMActiveConnection *connection)
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{
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g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (connection), NULL);
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_nm_object_ensure_inited (NM_OBJECT (connection));
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return NM_ACTIVE_CONNECTION_GET_PRIVATE (connection)->master;
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}
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static void
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nm_active_connection_init (NMActiveConnection *ap)
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{
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}
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static void
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dispose (GObject *object)
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{
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NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (object);
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if (priv->devices) {
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g_ptr_array_foreach (priv->devices, (GFunc) g_object_unref, NULL);
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g_ptr_array_free (priv->devices, TRUE);
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priv->devices = NULL;
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}
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g_clear_object (&priv->proxy);
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G_OBJECT_CLASS (nm_active_connection_parent_class)->dispose (object);
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}
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static void
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finalize (GObject *object)
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{
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NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (object);
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g_free (priv->connection);
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g_free (priv->uuid);
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g_free (priv->specific_object);
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g_free (priv->master);
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G_OBJECT_CLASS (nm_active_connection_parent_class)->finalize (object);
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}
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static void
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get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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NMActiveConnection *self = NM_ACTIVE_CONNECTION (object);
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_nm_object_ensure_inited (NM_OBJECT (object));
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switch (prop_id) {
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case PROP_CONNECTION:
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g_value_set_string (value, nm_active_connection_get_connection (self));
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break;
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case PROP_UUID:
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g_value_set_string (value, nm_active_connection_get_uuid (self));
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break;
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case PROP_SPECIFIC_OBJECT:
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g_value_set_boxed (value, nm_active_connection_get_specific_object (self));
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break;
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case PROP_DEVICES:
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g_value_set_boxed (value, nm_active_connection_get_devices (self));
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break;
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case PROP_STATE:
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g_value_set_uint (value, nm_active_connection_get_state (self));
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break;
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case PROP_DEFAULT:
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g_value_set_boolean (value, nm_active_connection_get_default (self));
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break;
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case PROP_DEFAULT6:
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g_value_set_boolean (value, nm_active_connection_get_default6 (self));
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break;
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case PROP_MASTER:
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g_value_set_string (value, nm_active_connection_get_master (self));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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register_properties (NMActiveConnection *connection)
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{
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NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (connection);
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const NMPropertiesInfo property_info[] = {
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{ NM_ACTIVE_CONNECTION_CONNECTION, &priv->connection },
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{ NM_ACTIVE_CONNECTION_UUID, &priv->uuid },
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{ NM_ACTIVE_CONNECTION_SPECIFIC_OBJECT, &priv->specific_object },
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{ NM_ACTIVE_CONNECTION_DEVICES, &priv->devices, NULL, NM_TYPE_DEVICE },
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{ NM_ACTIVE_CONNECTION_STATE, &priv->state },
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{ NM_ACTIVE_CONNECTION_DEFAULT, &priv->is_default },
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{ NM_ACTIVE_CONNECTION_DEFAULT6, &priv->is_default6 },
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{ NM_ACTIVE_CONNECTION_MASTER, &priv->master },
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/* not tracked after construction time */
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{ "vpn", NULL },
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{ NULL },
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};
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_nm_object_register_properties (NM_OBJECT (connection),
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priv->proxy,
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property_info);
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}
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static void
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constructed (GObject *object)
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{
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NMActiveConnectionPrivate *priv;
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G_OBJECT_CLASS (nm_active_connection_parent_class)->constructed (object);
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priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (object);
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priv->proxy = dbus_g_proxy_new_for_name (nm_object_get_connection (NM_OBJECT (object)),
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NM_DBUS_SERVICE,
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nm_object_get_path (NM_OBJECT (object)),
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NM_DBUS_INTERFACE_ACTIVE_CONNECTION);
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register_properties (NM_ACTIVE_CONNECTION (object));
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}
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static void
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nm_active_connection_class_init (NMActiveConnectionClass *ap_class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (ap_class);
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g_type_class_add_private (ap_class, sizeof (NMActiveConnectionPrivate));
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/* virtual methods */
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object_class->constructed = constructed;
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object_class->get_property = get_property;
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object_class->dispose = dispose;
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object_class->finalize = finalize;
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/* properties */
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/**
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* NMActiveConnection:connection:
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*
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* The connection's path of the active connection.
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**/
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g_object_class_install_property
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(object_class, PROP_CONNECTION,
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g_param_spec_string (NM_ACTIVE_CONNECTION_CONNECTION,
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"Connection",
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"Connection",
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NULL,
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G_PARAM_READABLE));
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/**
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* NMActiveConnection:uuid:
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*
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* The active connection's UUID
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**/
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g_object_class_install_property
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(object_class, PROP_UUID,
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g_param_spec_string (NM_ACTIVE_CONNECTION_UUID,
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"UUID",
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"UUID",
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NULL,
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G_PARAM_READABLE));
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/**
|
|
* NMActiveConnection:specific-object:
|
|
*
|
|
* The specific object's path of the active connection.
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_SPECIFIC_OBJECT,
|
|
g_param_spec_string (NM_ACTIVE_CONNECTION_SPECIFIC_OBJECT,
|
|
"Specific object",
|
|
"Specific object",
|
|
NULL,
|
|
G_PARAM_READABLE));
|
|
|
|
/**
|
|
* NMActiveConnection:device:
|
|
*
|
|
* The devices (#NMDevice) of the active connection.
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_DEVICES,
|
|
g_param_spec_boxed (NM_ACTIVE_CONNECTION_DEVICES,
|
|
"Devices",
|
|
"Devices",
|
|
NM_TYPE_OBJECT_ARRAY,
|
|
G_PARAM_READABLE));
|
|
|
|
/**
|
|
* NMActiveConnection:state:
|
|
*
|
|
* The state of the active connection.
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_STATE,
|
|
g_param_spec_uint (NM_ACTIVE_CONNECTION_STATE,
|
|
"State",
|
|
"State",
|
|
NM_ACTIVE_CONNECTION_STATE_UNKNOWN,
|
|
NM_ACTIVE_CONNECTION_STATE_DEACTIVATING,
|
|
NM_ACTIVE_CONNECTION_STATE_UNKNOWN,
|
|
G_PARAM_READABLE));
|
|
|
|
/**
|
|
* NMActiveConnection:default:
|
|
*
|
|
* Whether the active connection is the default IPv4 one.
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_DEFAULT,
|
|
g_param_spec_boolean (NM_ACTIVE_CONNECTION_DEFAULT,
|
|
"Default",
|
|
"Is the default IPv4 active connection",
|
|
FALSE,
|
|
G_PARAM_READABLE));
|
|
|
|
/**
|
|
* NMActiveConnection:default6:
|
|
*
|
|
* Whether the active connection is the default IPv6 one.
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_DEFAULT6,
|
|
g_param_spec_boolean (NM_ACTIVE_CONNECTION_DEFAULT6,
|
|
"Default6",
|
|
"Is the default IPv6 active connection",
|
|
FALSE,
|
|
G_PARAM_READABLE));
|
|
|
|
/**
|
|
* NMActiveConnection:master:
|
|
*
|
|
* The path of the master device if one exists.
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_MASTER,
|
|
g_param_spec_string (NM_ACTIVE_CONNECTION_MASTER,
|
|
"Master",
|
|
"Path of the master device",
|
|
NULL,
|
|
G_PARAM_READABLE));
|
|
}
|