mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager
synced 2024-09-15 22:29:58 +00:00
410 lines
11 KiB
C
410 lines
11 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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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 2015 Red Hat, Inc.
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*/
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#include "nm-default.h"
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#include <stdlib.h>
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#include <string.h>
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#include "nm-setting-tun.h"
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#include "nm-utils.h"
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#include "nm-setting-connection.h"
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#include "nm-setting-private.h"
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#include "nm-connection-private.h"
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/**
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* SECTION:nm-setting-tun
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* @short_description: Describes connection properties for TUN/TAP interfaces
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*
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* The #NMSettingTun object is a #NMSetting subclass that describes properties
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* necessary for connection to TUN/TAP interfaces.
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**/
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G_DEFINE_TYPE_WITH_CODE (NMSettingTun, nm_setting_tun, NM_TYPE_SETTING,
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_nm_register_setting (TUN, NM_SETTING_PRIORITY_HW_BASE))
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NM_SETTING_REGISTER_TYPE (NM_TYPE_SETTING_TUN)
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#define NM_SETTING_TUN_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_SETTING_TUN, NMSettingTunPrivate))
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typedef struct {
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NMSettingTunMode mode;
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char *owner;
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char *group;
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gboolean pi;
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gboolean vnet_hdr;
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gboolean multi_queue;
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} NMSettingTunPrivate;
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enum {
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PROP_0,
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PROP_MODE,
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PROP_OWNER,
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PROP_GROUP,
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PROP_PI,
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PROP_VNET_HDR,
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PROP_MULTI_QUEUE,
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LAST_PROP
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};
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/**
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* nm_setting_tun_new:
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*
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* Creates a new #NMSettingTun object with default values.
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*
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* Returns: (transfer full): the new empty #NMSettingTun object
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*
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* Since: 1.2
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**/
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NMSetting *
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nm_setting_tun_new (void)
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{
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return (NMSetting *) g_object_new (NM_TYPE_SETTING_TUN, NULL);
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}
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/**
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* nm_setting_tun_get_mode:
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* @setting: the #NMSettingTun
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*
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* Returns: the #NMSettingTun:mode property of the setting
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*
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* Since: 1.2
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**/
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NMSettingTunMode
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nm_setting_tun_get_mode (NMSettingTun *setting)
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{
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g_return_val_if_fail (NM_IS_SETTING_TUN (setting), NM_SETTING_TUN_MODE_TUN);
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return NM_SETTING_TUN_GET_PRIVATE (setting)->mode;
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}
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/**
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* nm_setting_tun_get_owner:
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* @setting: the #NMSettingTun
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*
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* Returns: the #NMSettingTun:owner property of the setting
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*
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* Since: 1.2
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**/
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const char *
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nm_setting_tun_get_owner (NMSettingTun *setting)
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{
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g_return_val_if_fail (NM_IS_SETTING_TUN (setting), NULL);
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return NM_SETTING_TUN_GET_PRIVATE (setting)->owner;
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}
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/**
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* nm_setting_tun_get_group:
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* @setting: the #NMSettingTun
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*
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* Returns: the #NMSettingTun:group property of the setting
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*
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* Since: 1.2
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**/
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const char *
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nm_setting_tun_get_group (NMSettingTun *setting)
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{
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g_return_val_if_fail (NM_IS_SETTING_TUN (setting), NULL);
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return NM_SETTING_TUN_GET_PRIVATE (setting)->group;
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}
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/**
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* nm_setting_tun_get_pi:
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* @setting: the #NMSettingTun
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*
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* Returns: the #NMSettingTun:pi property of the setting
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*
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* Since: 1.2
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**/
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gboolean
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nm_setting_tun_get_pi (NMSettingTun *setting)
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{
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g_return_val_if_fail (NM_IS_SETTING_TUN (setting), FALSE);
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return NM_SETTING_TUN_GET_PRIVATE (setting)->pi;
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}
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/**
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* nm_setting_tun_get_vnet_hdr:
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* @setting: the #NMSettingTun
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*
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* Returns: the #NMSettingTun:vnet_hdr property of the setting
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*
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* Since: 1.2
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**/
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gboolean
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nm_setting_tun_get_vnet_hdr (NMSettingTun *setting)
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{
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g_return_val_if_fail (NM_IS_SETTING_TUN (setting), FALSE);
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return NM_SETTING_TUN_GET_PRIVATE (setting)->vnet_hdr;
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}
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/**
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* nm_setting_tun_get_multi_queue:
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* @setting: the #NMSettingTun
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*
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* Returns: the #NMSettingTun:multi-queue property of the setting
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*
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* Since: 1.2
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**/
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gboolean
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nm_setting_tun_get_multi_queue (NMSettingTun *setting)
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{
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g_return_val_if_fail (NM_IS_SETTING_TUN (setting), FALSE);
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return NM_SETTING_TUN_GET_PRIVATE (setting)->multi_queue;
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}
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static void
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nm_setting_tun_init (NMSettingTun *setting)
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{
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}
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static gboolean
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verify (NMSetting *setting, NMConnection *connection, GError **error)
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{
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NMSettingTunPrivate *priv = NM_SETTING_TUN_GET_PRIVATE (setting);
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if ( priv->mode != NM_SETTING_TUN_MODE_TUN
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&& priv->mode != NM_SETTING_TUN_MODE_TAP) {
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g_set_error (error,
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NM_CONNECTION_ERROR,
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NM_CONNECTION_ERROR_INVALID_PROPERTY,
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_("'%u': invalid mode"), (unsigned) priv->mode);
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g_prefix_error (error, "%s.%s: ", NM_SETTING_TUN_SETTING_NAME, NM_SETTING_TUN_MODE);
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return FALSE;
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}
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if (priv->owner) {
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if (_nm_utils_ascii_str_to_int64 (priv->owner, 10, 0, G_MAXINT32, -1) == -1) {
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g_set_error (error,
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NM_CONNECTION_ERROR,
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NM_CONNECTION_ERROR_INVALID_PROPERTY,
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_("'%s': invalid user ID"), priv->owner);
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g_prefix_error (error, "%s.%s: ", NM_SETTING_TUN_SETTING_NAME, NM_SETTING_TUN_OWNER);
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return FALSE;
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}
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}
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if (priv->group) {
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if (_nm_utils_ascii_str_to_int64 (priv->group, 10, 0, G_MAXINT32, -1) == -1) {
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g_set_error (error,
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NM_CONNECTION_ERROR,
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NM_CONNECTION_ERROR_INVALID_PROPERTY,
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_("'%s': invalid group ID"), priv->group);
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g_prefix_error (error, "%s.%s: ", NM_SETTING_TUN_SETTING_NAME, NM_SETTING_TUN_GROUP);
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return FALSE;
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}
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}
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return TRUE;
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}
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static void
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set_property (GObject *object, guint prop_id,
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const GValue *value, GParamSpec *pspec)
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{
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NMSettingTun *setting = NM_SETTING_TUN (object);
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NMSettingTunPrivate *priv = NM_SETTING_TUN_GET_PRIVATE (setting);
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switch (prop_id) {
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case PROP_MODE:
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priv->mode = g_value_get_uint (value);
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break;
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case PROP_OWNER:
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g_free (priv->owner);
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priv->owner = g_value_dup_string (value);
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break;
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case PROP_GROUP:
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g_free (priv->group);
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priv->group = g_value_dup_string (value);
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break;
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case PROP_PI:
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priv->pi = g_value_get_boolean (value);
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break;
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case PROP_VNET_HDR:
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priv->vnet_hdr = g_value_get_boolean (value);
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break;
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case PROP_MULTI_QUEUE:
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priv->multi_queue = g_value_get_boolean (value);
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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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get_property (GObject *object, guint prop_id,
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GValue *value, GParamSpec *pspec)
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{
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NMSettingTun *setting = NM_SETTING_TUN (object);
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NMSettingTunPrivate *priv = NM_SETTING_TUN_GET_PRIVATE (setting);
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switch (prop_id) {
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case PROP_MODE:
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g_value_set_uint (value, priv->mode);
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break;
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case PROP_OWNER:
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g_value_set_string (value, priv->owner);
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break;
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case PROP_GROUP:
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g_value_set_string (value, priv->group);
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break;
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case PROP_PI:
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g_value_set_boolean (value, priv->pi);
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break;
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case PROP_VNET_HDR:
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g_value_set_boolean (value, priv->vnet_hdr);
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break;
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case PROP_MULTI_QUEUE:
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g_value_set_boolean (value, priv->multi_queue);
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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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finalize (GObject *object)
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{
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NMSettingTun *setting = NM_SETTING_TUN (object);
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NMSettingTunPrivate *priv = NM_SETTING_TUN_GET_PRIVATE (setting);
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g_free (priv->owner);
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g_free (priv->group);
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G_OBJECT_CLASS (nm_setting_tun_parent_class)->finalize (object);
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}
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static void
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nm_setting_tun_class_init (NMSettingTunClass *setting_class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (setting_class);
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NMSettingClass *parent_class = NM_SETTING_CLASS (setting_class);
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g_type_class_add_private (setting_class, sizeof (NMSettingTunPrivate));
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/* virtual methods */
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object_class->set_property = set_property;
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object_class->get_property = get_property;
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object_class->finalize = finalize;
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parent_class->verify = verify;
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/* Properties */
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/**
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* NMSettingTun:mode:
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*
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* The operating mode of the virtual device. Allowed values are
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* %NM_SETTING_TUN_MODE_TUN to create a layer 3 device and
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* %NM_SETTING_TUN_MODE_TAP to create an Ethernet-like layer 2
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* one.
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*
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* Since: 1.2
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*/
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g_object_class_install_property
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(object_class, PROP_MODE,
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g_param_spec_uint (NM_SETTING_TUN_MODE, "", "",
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0, G_MAXUINT, NM_SETTING_TUN_MODE_TUN,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT |
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NM_SETTING_PARAM_INFERRABLE |
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G_PARAM_STATIC_STRINGS));
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/**
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* NMSettingTun:owner:
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*
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* The user ID which will own the device. If set to %NULL everyone
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* will be able to use the device.
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*
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* Since: 1.2
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*/
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g_object_class_install_property
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(object_class, PROP_OWNER,
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g_param_spec_string (NM_SETTING_TUN_OWNER, "", "",
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NULL,
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G_PARAM_READWRITE |
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NM_SETTING_PARAM_INFERRABLE |
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G_PARAM_STATIC_STRINGS));
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/**
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* NMSettingTun:group:
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*
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* The group ID which will own the device. If set to %NULL everyone
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* will be able to use the device.
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*
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* Since: 1.2
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*/
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g_object_class_install_property
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(object_class, PROP_GROUP,
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g_param_spec_string (NM_SETTING_TUN_GROUP, "", "",
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NULL,
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G_PARAM_READWRITE |
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NM_SETTING_PARAM_INFERRABLE |
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G_PARAM_STATIC_STRINGS));
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/**
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* NMSettingTun:pi:
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*
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* If %TRUE the interface will prepend a 4 byte header describing the
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* physical interface to the packets.
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*
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* Since: 1.2
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*/
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g_object_class_install_property
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(object_class, PROP_PI,
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g_param_spec_boolean (NM_SETTING_TUN_PI, "", "",
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FALSE,
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G_PARAM_READWRITE |
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NM_SETTING_PARAM_INFERRABLE |
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G_PARAM_STATIC_STRINGS));
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/**
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* NMSettingTun:vnet-hdr:
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*
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* If %TRUE the IFF_VNET_HDR the tunnel packets will include a virtio
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* network header.
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*
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* Since: 1.2
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*/
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g_object_class_install_property
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(object_class, PROP_VNET_HDR,
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g_param_spec_boolean (NM_SETTING_TUN_VNET_HDR, "", "",
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FALSE,
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G_PARAM_READWRITE |
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NM_SETTING_PARAM_INFERRABLE |
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G_PARAM_STATIC_STRINGS));
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/**
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* NMSettingTun:multi-queue:
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*
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* If the property is set to %TRUE, the interface will support
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* multiple file descriptors (queues) to parallelize packet
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* sending or receiving. Otherwise, the interface will only
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* support a single queue.
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*
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* Since: 1.2
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*/
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g_object_class_install_property
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(object_class, PROP_MULTI_QUEUE,
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g_param_spec_boolean (NM_SETTING_TUN_MULTI_QUEUE, "", "",
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FALSE,
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G_PARAM_READWRITE |
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NM_SETTING_PARAM_INFERRABLE |
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G_PARAM_STATIC_STRINGS));
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}
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