mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager
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399 lines
11 KiB
C
399 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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* 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 - 2008 Novell, Inc.
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* Copyright (C) 2007 - 2012 Red Hat, Inc.
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*/
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#include <config.h>
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#include <string.h>
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#include <netinet/ether.h>
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#include "nm-glib-compat.h"
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#include <nm-setting-connection.h>
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#include <nm-setting-wired.h>
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#include <nm-setting-pppoe.h>
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#include "nm-device-ethernet.h"
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#include "nm-device-private.h"
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#include "nm-object-private.h"
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G_DEFINE_TYPE (NMDeviceEthernet, nm_device_ethernet, NM_TYPE_DEVICE)
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#define NM_DEVICE_ETHERNET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE_ETHERNET, NMDeviceEthernetPrivate))
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typedef struct {
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DBusGProxy *proxy;
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char *hw_address;
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char *perm_hw_address;
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guint32 speed;
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gboolean carrier;
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} NMDeviceEthernetPrivate;
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enum {
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PROP_0,
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PROP_HW_ADDRESS,
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PROP_PERM_HW_ADDRESS,
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PROP_SPEED,
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PROP_CARRIER,
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LAST_PROP
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};
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#define DBUS_PROP_HW_ADDRESS "HwAddress"
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#define DBUS_PROP_PERM_HW_ADDRESS "PermHwAddress"
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#define DBUS_PROP_SPEED "Speed"
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#define DBUS_PROP_CARRIER "Carrier"
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/**
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* nm_device_ethernet_error_quark:
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*
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* Registers an error quark for #NMDeviceEthernet if necessary.
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*
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* Returns: the error quark used for #NMDeviceEthernet errors.
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**/
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GQuark
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nm_device_ethernet_error_quark (void)
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{
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static GQuark quark = 0;
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if (G_UNLIKELY (quark == 0))
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quark = g_quark_from_static_string ("nm-device-ethernet-error-quark");
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return quark;
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}
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/**
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* nm_device_ethernet_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 #NMDeviceEthernet.
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*
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* Returns: (transfer full): a new device
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**/
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GObject *
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nm_device_ethernet_new (DBusGConnection *connection, const char *path)
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{
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GObject *device;
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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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device = g_object_new (NM_TYPE_DEVICE_ETHERNET,
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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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_nm_object_ensure_inited (NM_OBJECT (device));
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return device;
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}
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/**
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* nm_device_ethernet_get_hw_address:
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* @device: a #NMDeviceEthernet
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*
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* Gets the active hardware (MAC) address of the #NMDeviceEthernet
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*
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* Returns: the active hardware address. This is the internal string used by the
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* device, and must not be modified.
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**/
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const char *
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nm_device_ethernet_get_hw_address (NMDeviceEthernet *device)
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{
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g_return_val_if_fail (NM_IS_DEVICE_ETHERNET (device), NULL);
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_nm_object_ensure_inited (NM_OBJECT (device));
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return NM_DEVICE_ETHERNET_GET_PRIVATE (device)->hw_address;
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}
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/**
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* nm_device_ethernet_get_permanent_hw_address:
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* @device: a #NMDeviceEthernet
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*
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* Gets the permanent hardware (MAC) address of the #NMDeviceEthernet
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*
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* Returns: the permanent hardware address. This is the internal string used by the
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* device, and must not be modified.
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**/
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const char *
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nm_device_ethernet_get_permanent_hw_address (NMDeviceEthernet *device)
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{
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g_return_val_if_fail (NM_IS_DEVICE_ETHERNET (device), NULL);
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_nm_object_ensure_inited (NM_OBJECT (device));
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return NM_DEVICE_ETHERNET_GET_PRIVATE (device)->perm_hw_address;
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}
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/**
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* nm_device_ethernet_get_speed:
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* @device: a #NMDeviceEthernet
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*
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* Gets the speed of the #NMDeviceEthernet.
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*
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* Returns: the speed of the device
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**/
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guint32
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nm_device_ethernet_get_speed (NMDeviceEthernet *device)
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{
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g_return_val_if_fail (NM_IS_DEVICE_ETHERNET (device), 0);
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_nm_object_ensure_inited (NM_OBJECT (device));
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return NM_DEVICE_ETHERNET_GET_PRIVATE (device)->speed;
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}
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/**
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* nm_device_ethernet_get_carrier:
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* @device: a #NMDeviceEthernet
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*
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* Whether the device has carrier.
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*
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* Returns: %TRUE if the device has carrier
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**/
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gboolean
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nm_device_ethernet_get_carrier (NMDeviceEthernet *device)
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{
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g_return_val_if_fail (NM_IS_DEVICE_ETHERNET (device), FALSE);
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_nm_object_ensure_inited (NM_OBJECT (device));
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return NM_DEVICE_ETHERNET_GET_PRIVATE (device)->carrier;
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}
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static gboolean
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connection_compatible (NMDevice *device, NMConnection *connection, GError **error)
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{
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NMSettingConnection *s_con;
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NMSettingWired *s_wired;
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const char *ctype;
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gboolean is_pppoe = FALSE;
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g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
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s_con = nm_connection_get_setting_connection (connection);
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g_assert (s_con);
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ctype = nm_setting_connection_get_connection_type (s_con);
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if (!strcmp (ctype, NM_SETTING_PPPOE_SETTING_NAME))
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is_pppoe = TRUE;
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else if (strcmp (ctype, NM_SETTING_WIRED_SETTING_NAME) != 0) {
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g_set_error (error, NM_DEVICE_ETHERNET_ERROR, NM_DEVICE_ETHERNET_ERROR_NOT_ETHERNET_CONNECTION,
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"The connection was not a wired or PPPoE connection.");
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return FALSE;
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}
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s_wired = nm_connection_get_setting_wired (connection);
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/* Wired setting optional for PPPoE */
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if (!is_pppoe && !s_wired) {
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g_set_error (error, NM_DEVICE_ETHERNET_ERROR, NM_DEVICE_ETHERNET_ERROR_INVALID_ETHERNET_CONNECTION,
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"The connection was not a valid ethernet connection.");
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return FALSE;
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}
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if (s_wired) {
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const GByteArray *mac;
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const char *perm_str;
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struct ether_addr *perm_mac;
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/* FIXME: filter using s390 subchannels when they are exported over the bus */
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/* Check MAC address */
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perm_str = nm_device_ethernet_get_permanent_hw_address (NM_DEVICE_ETHERNET (device));
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if (perm_str) {
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perm_mac = ether_aton (perm_str);
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if (!perm_mac) {
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g_set_error (error, NM_DEVICE_ETHERNET_ERROR, NM_DEVICE_ETHERNET_ERROR_INVALID_DEVICE_MAC,
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"Invalid device MAC address.");
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return FALSE;
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}
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mac = nm_setting_wired_get_mac_address (s_wired);
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if (mac && perm_mac && memcmp (mac->data, perm_mac->ether_addr_octet, ETH_ALEN)) {
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g_set_error (error, NM_DEVICE_ETHERNET_ERROR, NM_DEVICE_ETHERNET_ERROR_MAC_MISMATCH,
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"The MACs of the device and the connection didn't match.");
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return FALSE;
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}
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}
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}
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return TRUE;
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}
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/***********************************************************/
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static void
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nm_device_ethernet_init (NMDeviceEthernet *device)
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{
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_nm_device_set_device_type (NM_DEVICE (device), NM_DEVICE_TYPE_ETHERNET);
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}
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static void
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register_properties (NMDeviceEthernet *device)
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{
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NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (device);
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const NMPropertiesInfo property_info[] = {
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{ NM_DEVICE_ETHERNET_HW_ADDRESS, &priv->hw_address },
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{ NM_DEVICE_ETHERNET_PERMANENT_HW_ADDRESS, &priv->perm_hw_address },
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{ NM_DEVICE_ETHERNET_SPEED, &priv->speed },
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{ NM_DEVICE_ETHERNET_CARRIER, &priv->carrier },
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{ NULL },
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};
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_nm_object_register_properties (NM_OBJECT (device),
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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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NMDeviceEthernetPrivate *priv;
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G_OBJECT_CLASS (nm_device_ethernet_parent_class)->constructed (object);
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priv = NM_DEVICE_ETHERNET_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_DEVICE_WIRED);
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register_properties (NM_DEVICE_ETHERNET (object));
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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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NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (object);
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g_clear_object (&priv->proxy);
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G_OBJECT_CLASS (nm_device_ethernet_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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NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (object);
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g_free (priv->hw_address);
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g_free (priv->perm_hw_address);
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G_OBJECT_CLASS (nm_device_ethernet_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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NMDeviceEthernet *device = NM_DEVICE_ETHERNET (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_HW_ADDRESS:
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g_value_set_string (value, nm_device_ethernet_get_hw_address (device));
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break;
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case PROP_PERM_HW_ADDRESS:
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g_value_set_string (value, nm_device_ethernet_get_permanent_hw_address (device));
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break;
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case PROP_SPEED:
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g_value_set_uint (value, nm_device_ethernet_get_speed (device));
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break;
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case PROP_CARRIER:
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g_value_set_boolean (value, nm_device_ethernet_get_carrier (device));
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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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nm_device_ethernet_class_init (NMDeviceEthernetClass *eth_class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (eth_class);
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NMDeviceClass *device_class = NM_DEVICE_CLASS (eth_class);
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g_type_class_add_private (eth_class, sizeof (NMDeviceEthernetPrivate));
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/* virtual methods */
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object_class->constructed = constructed;
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object_class->dispose = dispose;
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object_class->finalize = finalize;
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object_class->get_property = get_property;
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device_class->connection_compatible = connection_compatible;
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/* properties */
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/**
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* NMDeviceEthernet:hw-address:
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*
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* The active hardware (MAC) address of the device.
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**/
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g_object_class_install_property
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(object_class, PROP_HW_ADDRESS,
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g_param_spec_string (NM_DEVICE_ETHERNET_HW_ADDRESS,
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"Active MAC Address",
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"Currently set hardware MAC address",
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NULL,
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G_PARAM_READABLE));
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/**
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* NMDeviceEthernet:perm-hw-address:
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*
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* The permanent hardware (MAC) address of the device.
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**/
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g_object_class_install_property
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(object_class, PROP_PERM_HW_ADDRESS,
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g_param_spec_string (NM_DEVICE_ETHERNET_PERMANENT_HW_ADDRESS,
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"Permanent MAC Address",
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"Permanent hardware MAC address",
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NULL,
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G_PARAM_READABLE));
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/**
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* NMDeviceEthernet:speed:
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*
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* The speed of the device.
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**/
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g_object_class_install_property
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(object_class, PROP_SPEED,
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g_param_spec_uint (NM_DEVICE_ETHERNET_SPEED,
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"Speed",
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"Speed",
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0, G_MAXUINT32, 0,
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G_PARAM_READABLE));
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/**
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* NMDeviceEthernet:carrier:
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*
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* Whether the device has carrier.
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**/
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g_object_class_install_property
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(object_class, PROP_CARRIER,
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g_param_spec_boolean (NM_DEVICE_ETHERNET_CARRIER,
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"Carrier",
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"Carrier",
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FALSE,
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G_PARAM_READABLE));
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}
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