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NetworkManager/src/devices/nm-device-ethernet.c

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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* NetworkManager -- Network link manager
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright (C) 2005 - 2012 Red Hat, Inc.
* Copyright (C) 2006 - 2008 Novell, Inc.
*/
#include "config.h"
#include <glib.h>
#include <glib/gi18n.h>
#include <netinet/in.h>
#include <string.h>
#include <stdlib.h>
#include <linux/sockios.h>
#include <linux/ethtool.h>
#include <linux/version.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <linux/if.h>
#include <errno.h>
#include <netinet/ether.h>
#include <gudev/gudev.h>
#include "nm-glib-compat.h"
#include "nm-device-ethernet.h"
#include "nm-device-private.h"
#include "nm-activation-request.h"
#include "NetworkManagerUtils.h"
#include "nm-supplicant-manager.h"
#include "nm-supplicant-interface.h"
#include "nm-supplicant-config.h"
#include "nm-setting-connection.h"
#include "nm-setting-wired.h"
#include "nm-setting-8021x.h"
#include "nm-setting-pppoe.h"
#include "nm-setting-bond.h"
#include "ppp-manager/nm-ppp-manager.h"
#include "nm-logging.h"
#include "nm-utils.h"
#include "nm-enum-types.h"
#include "nm-dbus-manager.h"
#include "nm-platform.h"
#include "nm-dcb.h"
#include "nm-device-ethernet-glue.h"
G_DEFINE_TYPE (NMDeviceEthernet, nm_device_ethernet, NM_TYPE_DEVICE)
#define NM_DEVICE_ETHERNET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE_ETHERNET, NMDeviceEthernetPrivate))
#define WIRED_SECRETS_TRIES "wired-secrets-tries"
#define NM_ETHERNET_ERROR (nm_ethernet_error_quark ())
typedef struct Supplicant {
NMSupplicantManager *mgr;
NMSupplicantInterface *iface;
/* signal handler ids */
guint iface_error_id;
guint iface_state_id;
/* Timeouts and idles */
guint iface_con_error_cb_id;
guint con_timeout_id;
} Supplicant;
typedef struct {
guint8 perm_hw_addr[ETH_ALEN]; /* Permanent MAC address */
guint8 initial_hw_addr[ETH_ALEN]; /* Initial MAC address (as seen when NM starts) */
guint32 speed;
Supplicant supplicant;
guint supplicant_timeout_id;
/* s390 */
char * subchan1;
char * subchan2;
char * subchan3;
char * subchannels; /* Composite used for checking unmanaged specs */
/* PPPoE */
NMPPPManager *ppp_manager;
NMIP4Config *pending_ip4_config;
} NMDeviceEthernetPrivate;
enum {
PROP_0,
PROP_PERM_HW_ADDRESS,
PROP_SPEED,
LAST_PROP
};
static GQuark
nm_ethernet_error_quark (void)
{
static GQuark quark = 0;
if (!quark)
quark = g_quark_from_static_string ("nm-ethernet-error");
return quark;
}
static void
_update_s390_subchannels (NMDeviceEthernet *self)
{
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
const char *iface;
GUdevClient *client;
GUdevDevice *dev;
GUdevDevice *parent = NULL;
const char *parent_path, *item, *driver;
const char *subsystems[] = { "net", NULL };
GDir *dir;
GError *error = NULL;
iface = nm_device_get_iface (NM_DEVICE (self));
client = g_udev_client_new (subsystems);
if (!client) {
nm_log_warn (LOGD_DEVICE | LOGD_HW, "(%s): failed to initialize GUdev client", iface);
return;
}
dev = g_udev_client_query_by_subsystem_and_name (client, "net", iface);
if (!dev) {
nm_log_warn (LOGD_DEVICE | LOGD_HW, "(%s): failed to find device with udev", iface);
goto out;
}
/* Try for the "ccwgroup" parent */
parent = g_udev_device_get_parent_with_subsystem (dev, "ccwgroup", NULL);
if (!parent) {
/* FIXME: whatever 'lcs' devices' subsystem is here... */
if (!parent) {
/* Not an s390 device */
goto out;
}
}
parent_path = g_udev_device_get_sysfs_path (parent);
dir = g_dir_open (parent_path, 0, &error);
if (!dir) {
nm_log_warn (LOGD_DEVICE | LOGD_HW, "(%s): failed to open directory '%s': %s",
iface, parent_path,
error && error->message ? error->message : "(unknown)");
g_clear_error (&error);
goto out;
}
/* FIXME: we probably care about ordering here to ensure that we map
* cdev0 -> subchan1, cdev1 -> subchan2, etc.
*/
while ((item = g_dir_read_name (dir))) {
char buf[50];
char *cdev_path;
if (strncmp (item, "cdev", 4))
continue; /* Not a subchannel link */
cdev_path = g_strdup_printf ("%s/%s", parent_path, item);
memset (buf, 0, sizeof (buf));
errno = 0;
if (readlink (cdev_path, &buf[0], sizeof (buf) - 1) >= 0) {
if (!priv->subchan1)
priv->subchan1 = g_path_get_basename (buf);
else if (!priv->subchan2)
priv->subchan2 = g_path_get_basename (buf);
else if (!priv->subchan3)
priv->subchan3 = g_path_get_basename (buf);
} else {
nm_log_warn (LOGD_DEVICE | LOGD_HW,
"(%s): failed to read cdev link '%s': %d",
iface, cdev_path, errno);
}
g_free (cdev_path);
};
g_dir_close (dir);
if (priv->subchan3) {
priv->subchannels = g_strdup_printf ("%s,%s,%s",
priv->subchan1,
priv->subchan2,
priv->subchan3);
} else if (priv->subchan2) {
priv->subchannels = g_strdup_printf ("%s,%s",
priv->subchan1,
priv->subchan2);
} else
priv->subchannels = g_strdup (priv->subchan1);
driver = nm_device_get_driver (NM_DEVICE (self));
nm_log_info (LOGD_DEVICE | LOGD_HW,
"(%s): found s390 '%s' subchannels [%s]",
iface, driver ? driver : "(unknown driver)", priv->subchannels);
out:
if (parent)
g_object_unref (parent);
if (dev)
g_object_unref (dev);
g_object_unref (client);
}
static GObject*
constructor (GType type,
guint n_construct_params,
GObjectConstructParam *construct_params)
{
GObject *object;
NMDeviceEthernetPrivate *priv;
NMDevice *self;
int ifindex;
object = G_OBJECT_CLASS (nm_device_ethernet_parent_class)->constructor (type,
n_construct_params,
construct_params);
if (object) {
self = NM_DEVICE (object);
priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
ifindex = nm_device_get_ifindex (self);
g_assert ( nm_platform_link_get_type (ifindex) == NM_LINK_TYPE_ETHERNET
|| nm_platform_link_get_type (ifindex) == NM_LINK_TYPE_VETH);
nm_log_dbg (LOGD_HW | LOGD_ETHER, "(%s): kernel ifindex %d",
nm_device_get_iface (NM_DEVICE (self)),
nm_device_get_ifindex (NM_DEVICE (self)));
/* s390 stuff */
_update_s390_subchannels (NM_DEVICE_ETHERNET (self));
}
return object;
}
static void
clear_secrets_tries (NMDevice *device)
{
NMActRequest *req;
NMConnection *connection;
req = nm_device_get_act_request (device);
if (req) {
connection = nm_act_request_get_connection (req);
/* Clear wired secrets tries on success, failure, or when deactivating */
g_object_set_data (G_OBJECT (connection), WIRED_SECRETS_TRIES, NULL);
}
}
static void
device_state_changed (NMDevice *device,
NMDeviceState new_state,
NMDeviceState old_state,
NMDeviceStateReason reason)
{
switch (new_state) {
case NM_DEVICE_STATE_ACTIVATED:
case NM_DEVICE_STATE_FAILED:
case NM_DEVICE_STATE_DISCONNECTED:
clear_secrets_tries (device);
break;
default:
break;
}
}
static void
nm_device_ethernet_init (NMDeviceEthernet * self)
{
}
NMDevice *
nm_device_ethernet_new (NMPlatformLink *platform_device)
{
g_return_val_if_fail (platform_device != NULL, NULL);
return (NMDevice *) g_object_new (NM_TYPE_DEVICE_ETHERNET,
NM_DEVICE_PLATFORM_DEVICE, platform_device,
NM_DEVICE_TYPE_DESC, "Ethernet",
NM_DEVICE_DEVICE_TYPE, NM_DEVICE_TYPE_ETHERNET,
NULL);
}
static void
update_permanent_hw_address (NMDevice *dev)
{
NMDeviceEthernet *self = NM_DEVICE_ETHERNET (dev);
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
struct ifreq req;
struct ethtool_perm_addr *epaddr = NULL;
int fd, ret;
fd = socket (PF_INET, SOCK_DGRAM, 0);
if (fd < 0) {
nm_log_warn (LOGD_HW, "couldn't open control socket.");
return;
}
/* Get permanent MAC address */
memset (&req, 0, sizeof (struct ifreq));
strncpy (req.ifr_name, nm_device_get_iface (dev), IFNAMSIZ);
epaddr = g_malloc0 (sizeof (struct ethtool_perm_addr) + ETH_ALEN);
epaddr->cmd = ETHTOOL_GPERMADDR;
epaddr->size = ETH_ALEN;
req.ifr_data = (void *) epaddr;
errno = 0;
ret = ioctl (fd, SIOCETHTOOL, &req);
if ((ret < 0) || !nm_ethernet_address_is_valid ((struct ether_addr *) epaddr->data)) {
nm_log_dbg (LOGD_HW | LOGD_ETHER, "(%s): unable to read permanent MAC address (error %d)",
nm_device_get_iface (dev), errno);
/* Fall back to current address */
memcpy (epaddr->data, nm_device_get_hw_address (dev, NULL), ETH_ALEN);
}
if (memcmp (&priv->perm_hw_addr, epaddr->data, ETH_ALEN)) {
memcpy (&priv->perm_hw_addr, epaddr->data, ETH_ALEN);
g_object_notify (G_OBJECT (dev), NM_DEVICE_ETHERNET_PERMANENT_HW_ADDRESS);
}
g_free (epaddr);
close (fd);
}
static void
update_initial_hw_address (NMDevice *dev)
{
NMDeviceEthernet *self = NM_DEVICE_ETHERNET (dev);
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
char *mac_str;
/* This sets initial MAC address from current MAC address. It should only
* be called from NMDevice constructor() to really get the initial address.
*/
memcpy (priv->initial_hw_addr, nm_device_get_hw_address (dev, NULL), ETH_ALEN);
mac_str = nm_utils_hwaddr_ntoa (priv->initial_hw_addr, ARPHRD_ETHER);
nm_log_dbg (LOGD_DEVICE | LOGD_ETHER, "(%s): read initial MAC address %s",
nm_device_get_iface (dev), mac_str);
g_free (mac_str);
}
static guint32
get_generic_capabilities (NMDevice *dev)
{
if (nm_platform_link_supports_carrier_detect (nm_device_get_ifindex (dev)))
return NM_DEVICE_CAP_CARRIER_DETECT;
else {
nm_log_info (LOGD_HW,
"(%s): driver '%s' does not support carrier detection.",
nm_device_get_iface (dev),
nm_device_get_driver (dev));
return NM_DEVICE_CAP_NONE;
}
}
static gboolean
match_subchans (NMDeviceEthernet *self, NMSettingWired *s_wired, gboolean *try_mac)
{
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
const GPtrArray *subchans;
int i;
*try_mac = TRUE;
subchans = nm_setting_wired_get_s390_subchannels (s_wired);
if (!subchans)
return TRUE;
/* connection requires subchannels but the device has none */
if (!priv->subchannels)
return FALSE;
/* Make sure each subchannel in the connection is a subchannel of this device */
for (i = 0; i < subchans->len; i++) {
const char *candidate = g_ptr_array_index (subchans, i);
if ( (priv->subchan1 && !strcmp (priv->subchan1, candidate))
|| (priv->subchan2 && !strcmp (priv->subchan2, candidate))
|| (priv->subchan3 && !strcmp (priv->subchan3, candidate)))
continue;
return FALSE; /* a subchannel was not found */
}
*try_mac = FALSE;
return TRUE;
}
static gboolean
check_connection_compatible (NMDevice *device,
NMConnection *connection,
GError **error)
{
NMDeviceEthernet *self = NM_DEVICE_ETHERNET (device);
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
NMSettingWired *s_wired;
if (!NM_DEVICE_CLASS (nm_device_ethernet_parent_class)->check_connection_compatible (device, connection, error))
return FALSE;
s_wired = nm_connection_get_setting_wired (connection);
if (nm_connection_is_type (connection, NM_SETTING_PPPOE_SETTING_NAME)) {
/* NOP */
} else if (nm_connection_is_type (connection, NM_SETTING_WIRED_SETTING_NAME)) {
if (!s_wired) {
g_set_error (error,
NM_ETHERNET_ERROR, NM_ETHERNET_ERROR_CONNECTION_INVALID,
"The connection was not a valid wired connection.");
return FALSE;
}
} else {
g_set_error (error,
NM_ETHERNET_ERROR, NM_ETHERNET_ERROR_CONNECTION_NOT_WIRED,
"The connection was not a wired, bond, or PPPoE connection.");
return FALSE;
}
if (s_wired) {
const GByteArray *mac;
gboolean try_mac = TRUE;
const GSList *mac_blacklist, *mac_blacklist_iter;
if (!match_subchans (self, s_wired, &try_mac)) {
g_set_error (error,
NM_ETHERNET_ERROR, NM_ETHERNET_ERROR_CONNECTION_INCOMPATIBLE,
"The connection's s390 subchannels did not match this device.");
return FALSE;
}
mac = nm_setting_wired_get_mac_address (s_wired);
if (try_mac && mac && memcmp (mac->data, &priv->perm_hw_addr, ETH_ALEN)) {
g_set_error (error,
NM_ETHERNET_ERROR, NM_ETHERNET_ERROR_CONNECTION_INCOMPATIBLE,
"The connection's MAC address did not match this device.");
return FALSE;
}
/* Check for MAC address blacklist */
mac_blacklist = nm_setting_wired_get_mac_address_blacklist (s_wired);
for (mac_blacklist_iter = mac_blacklist; mac_blacklist_iter;
mac_blacklist_iter = g_slist_next (mac_blacklist_iter)) {
struct ether_addr addr;
if (!ether_aton_r (mac_blacklist_iter->data, &addr)) {
g_warn_if_reached ();
return FALSE;
}
if (memcmp (&addr, &priv->perm_hw_addr, ETH_ALEN) == 0) {
g_set_error (error,
NM_ETHERNET_ERROR, NM_ETHERNET_ERROR_CONNECTION_INCOMPATIBLE,
"The connection's MAC address (%s) is blacklisted in %s.",
(char *) mac_blacklist_iter->data, NM_SETTING_WIRED_MAC_ADDRESS_BLACKLIST);
return FALSE;
}
}
}
return TRUE;
}
/* FIXME: Move it to nm-device.c and then get rid of all foo_device_get_setting() all around.
It's here now to keep the patch short. */
static NMSetting *
device_get_setting (NMDevice *device, GType setting_type)
{
NMActRequest *req;
NMSetting *setting = NULL;
req = nm_device_get_act_request (device);
if (req) {
NMConnection *connection;
connection = nm_act_request_get_connection (req);
if (connection)
setting = nm_connection_get_setting (connection, setting_type);
}
return setting;
}
/*****************************************************************************/
/* 802.1X */
static void
remove_supplicant_timeouts (NMDeviceEthernet *self)
{
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
if (priv->supplicant.con_timeout_id) {
g_source_remove (priv->supplicant.con_timeout_id);
priv->supplicant.con_timeout_id = 0;
}
if (priv->supplicant_timeout_id) {
g_source_remove (priv->supplicant_timeout_id);
priv->supplicant_timeout_id = 0;
}
}
static void
remove_supplicant_interface_error_handler (NMDeviceEthernet *self)
{
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
if (priv->supplicant.iface_error_id != 0) {
g_signal_handler_disconnect (priv->supplicant.iface, priv->supplicant.iface_error_id);
priv->supplicant.iface_error_id = 0;
}
if (priv->supplicant.iface_con_error_cb_id > 0) {
g_source_remove (priv->supplicant.iface_con_error_cb_id);
priv->supplicant.iface_con_error_cb_id = 0;
}
}
static void
supplicant_interface_release (NMDeviceEthernet *self)
{
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
remove_supplicant_timeouts (self);
remove_supplicant_interface_error_handler (self);
if (priv->supplicant.iface_state_id > 0) {
g_signal_handler_disconnect (priv->supplicant.iface, priv->supplicant.iface_state_id);
priv->supplicant.iface_state_id = 0;
}
if (priv->supplicant.iface) {
nm_supplicant_interface_disconnect (priv->supplicant.iface);
nm_supplicant_manager_iface_release (priv->supplicant.mgr, priv->supplicant.iface);
priv->supplicant.iface = NULL;
}
}
static void
wired_secrets_cb (NMActRequest *req,
guint32 call_id,
NMConnection *connection,
GError *error,
gpointer user_data)
{
NMDevice *dev = NM_DEVICE (user_data);
g_return_if_fail (req == nm_device_get_act_request (dev));
g_return_if_fail (nm_device_get_state (dev) == NM_DEVICE_STATE_NEED_AUTH);
g_return_if_fail (nm_act_request_get_connection (req) == connection);
if (error) {
nm_log_warn (LOGD_ETHER, "%s", error->message);
nm_device_state_changed (dev,
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_NO_SECRETS);
} else
nm_device_activate_schedule_stage1_device_prepare (dev);
}
static gboolean
link_timeout_cb (gpointer user_data)
{
NMDeviceEthernet *self = NM_DEVICE_ETHERNET (user_data);
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
NMDevice *dev = NM_DEVICE (self);
NMActRequest *req;
NMConnection *connection;
const char *setting_name;
priv->supplicant_timeout_id = 0;
req = nm_device_get_act_request (dev);
if (nm_device_get_state (dev) == NM_DEVICE_STATE_ACTIVATED) {
nm_device_state_changed (dev,
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_SUPPLICANT_TIMEOUT);
return FALSE;
}
/* Disconnect event during initial authentication and credentials
* ARE checked - we are likely to have wrong key. Ask the user for
* another one.
*/
if (nm_device_get_state (dev) != NM_DEVICE_STATE_CONFIG)
goto time_out;
connection = nm_act_request_get_connection (req);
nm_connection_clear_secrets (connection);
setting_name = nm_connection_need_secrets (connection, NULL);
if (!setting_name)
goto time_out;
nm_log_info (LOGD_DEVICE | LOGD_ETHER,
"Activation (%s/wired): disconnected during authentication,"
" asking for new key.",
nm_device_get_iface (dev));
supplicant_interface_release (self);
nm_device_state_changed (dev, NM_DEVICE_STATE_NEED_AUTH, NM_DEVICE_STATE_REASON_SUPPLICANT_DISCONNECT);
nm_act_request_get_secrets (req,
setting_name,
NM_SETTINGS_GET_SECRETS_FLAG_REQUEST_NEW,
NULL,
wired_secrets_cb,
self);
return FALSE;
time_out:
nm_log_warn (LOGD_DEVICE | LOGD_ETHER,
"(%s): link timed out.", nm_device_get_iface (dev));
nm_device_state_changed (dev, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_SUPPLICANT_DISCONNECT);
return FALSE;
}
static NMSupplicantConfig *
build_supplicant_config (NMDeviceEthernet *self)
{
const char *con_uuid;
NMSupplicantConfig *config = NULL;
NMSetting8021x *security;
NMConnection *connection;
connection = nm_device_get_connection (NM_DEVICE (self));
g_assert (connection);
con_uuid = nm_connection_get_uuid (connection);
config = nm_supplicant_config_new ();
security = nm_connection_get_setting_802_1x (connection);
if (!nm_supplicant_config_add_setting_8021x (config, security, con_uuid, TRUE)) {
nm_log_warn (LOGD_DEVICE, "Couldn't add 802.1X security setting to supplicant config.");
g_object_unref (config);
config = NULL;
}
return config;
}
static void
supplicant_iface_state_cb (NMSupplicantInterface *iface,
guint32 new_state,
guint32 old_state,
int disconnect_reason,
gpointer user_data)
{
NMDeviceEthernet *self = NM_DEVICE_ETHERNET (user_data);
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
NMDevice *device = NM_DEVICE (self);
NMSupplicantConfig *config;
gboolean success = FALSE;
NMDeviceState devstate;
if (new_state == old_state)
return;
nm_log_info (LOGD_DEVICE | LOGD_ETHER,
"(%s): supplicant interface state: %s -> %s",
nm_device_get_iface (device),
nm_supplicant_interface_state_to_string (old_state),
nm_supplicant_interface_state_to_string (new_state));
devstate = nm_device_get_state (device);
switch (new_state) {
case NM_SUPPLICANT_INTERFACE_STATE_READY:
config = build_supplicant_config (self);
if (config) {
success = nm_supplicant_interface_set_config (priv->supplicant.iface, config);
g_object_unref (config);
if (!success) {
nm_log_err (LOGD_DEVICE | LOGD_ETHER,
"Activation (%s/wired): couldn't send security "
"configuration to the supplicant.",
nm_device_get_iface (device));
}
} else {
nm_log_warn (LOGD_DEVICE | LOGD_ETHER,
"Activation (%s/wired): couldn't build security configuration.",
nm_device_get_iface (device));
}
if (!success) {
nm_device_state_changed (device,
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_SUPPLICANT_CONFIG_FAILED);
}
break;
case NM_SUPPLICANT_INTERFACE_STATE_COMPLETED:
remove_supplicant_interface_error_handler (self);
remove_supplicant_timeouts (self);
/* If this is the initial association during device activation,
* schedule the next activation stage.
*/
if (devstate == NM_DEVICE_STATE_CONFIG) {
nm_log_info (LOGD_DEVICE | LOGD_ETHER,
"Activation (%s/wired) Stage 2 of 5 (Device Configure) successful.",
nm_device_get_iface (device));
nm_device_activate_schedule_stage3_ip_config_start (device);
}
break;
case NM_SUPPLICANT_INTERFACE_STATE_DISCONNECTED:
if ((devstate == NM_DEVICE_STATE_ACTIVATED) || nm_device_is_activating (device)) {
/* Start the link timeout so we allow some time for reauthentication */
if (!priv->supplicant_timeout_id)
priv->supplicant_timeout_id = g_timeout_add_seconds (15, link_timeout_cb, device);
}
break;
case NM_SUPPLICANT_INTERFACE_STATE_DOWN:
supplicant_interface_release (self);
remove_supplicant_timeouts (self);
if ((devstate == NM_DEVICE_STATE_ACTIVATED) || nm_device_is_activating (device)) {
nm_device_state_changed (device,
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED);
}
break;
default:
break;
}
}
static gboolean
supplicant_iface_connection_error_cb_handler (gpointer user_data)
{
NMDeviceEthernet *self = NM_DEVICE_ETHERNET (user_data);
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
supplicant_interface_release (self);
nm_device_state_changed (NM_DEVICE (self), NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_SUPPLICANT_CONFIG_FAILED);
priv->supplicant.iface_con_error_cb_id = 0;
return FALSE;
}
static void
supplicant_iface_connection_error_cb (NMSupplicantInterface *iface,
const char *name,
const char *message,
gpointer user_data)
{
NMDeviceEthernet *self = NM_DEVICE_ETHERNET (user_data);
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
guint id;
nm_log_warn (LOGD_DEVICE | LOGD_ETHER,
"Activation (%s/wired): association request to the supplicant failed: %s - %s",
nm_device_get_iface (NM_DEVICE (self)), name, message);
if (priv->supplicant.iface_con_error_cb_id)
g_source_remove (priv->supplicant.iface_con_error_cb_id);
id = g_idle_add (supplicant_iface_connection_error_cb_handler, self);
priv->supplicant.iface_con_error_cb_id = id;
}
static NMActStageReturn
handle_auth_or_fail (NMDeviceEthernet *self,
NMActRequest *req,
gboolean new_secrets)
{
const char *setting_name;
guint32 tries;
NMConnection *connection;
connection = nm_act_request_get_connection (req);
g_assert (connection);
tries = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (connection), WIRED_SECRETS_TRIES));
if (tries > 3)
return NM_ACT_STAGE_RETURN_FAILURE;
nm_device_state_changed (NM_DEVICE (self), NM_DEVICE_STATE_NEED_AUTH, NM_DEVICE_STATE_REASON_NONE);
nm_connection_clear_secrets (connection);
setting_name = nm_connection_need_secrets (connection, NULL);
if (setting_name) {
NMSettingsGetSecretsFlags flags = NM_SETTINGS_GET_SECRETS_FLAG_ALLOW_INTERACTION;
/* If the caller doesn't necessarily want completely new secrets,
* only ask for new secrets after the first failure.
*/
if (new_secrets || tries)
flags |= NM_SETTINGS_GET_SECRETS_FLAG_REQUEST_NEW;
nm_act_request_get_secrets (req, setting_name, flags, NULL, wired_secrets_cb, self);
g_object_set_data (G_OBJECT (connection), WIRED_SECRETS_TRIES, GUINT_TO_POINTER (++tries));
} else {
nm_log_info (LOGD_DEVICE, "Cleared secrets, but setting didn't need any secrets.");
}
return NM_ACT_STAGE_RETURN_POSTPONE;
}
static gboolean
supplicant_connection_timeout_cb (gpointer user_data)
{
NMDeviceEthernet *self = NM_DEVICE_ETHERNET (user_data);
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
NMDevice *device = NM_DEVICE (self);
NMActRequest *req;
const char *iface;
priv->supplicant.con_timeout_id = 0;
iface = nm_device_get_iface (device);
/* Authentication failed, encryption key is probably bad */
nm_log_warn (LOGD_DEVICE | LOGD_ETHER,
"Activation (%s/wired): association took too long.", iface);
supplicant_interface_release (self);
req = nm_device_get_act_request (device);
g_assert (req);
if (handle_auth_or_fail (self, req, TRUE) == NM_ACT_STAGE_RETURN_POSTPONE) {
nm_log_info (LOGD_DEVICE | LOGD_ETHER,
"Activation (%s/wired): asking for new secrets", iface);
} else
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_NO_SECRETS);
return FALSE;
}
static gboolean
supplicant_interface_init (NMDeviceEthernet *self)
{
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
const char *iface;
iface = nm_device_get_iface (NM_DEVICE (self));
/* Create supplicant interface */
priv->supplicant.iface = nm_supplicant_manager_iface_get (priv->supplicant.mgr, iface, FALSE);
if (!priv->supplicant.iface) {
nm_log_err (LOGD_DEVICE | LOGD_ETHER,
"Couldn't initialize supplicant interface for %s.",
iface);
supplicant_interface_release (self);
return FALSE;
}
/* Listen for it's state signals */
priv->supplicant.iface_state_id = g_signal_connect (priv->supplicant.iface,
NM_SUPPLICANT_INTERFACE_STATE,
G_CALLBACK (supplicant_iface_state_cb),
self);
/* Hook up error signal handler to capture association errors */
priv->supplicant.iface_error_id = g_signal_connect (priv->supplicant.iface,
"connection-error",
G_CALLBACK (supplicant_iface_connection_error_cb),
self);
/* Set up a timeout on the connection attempt to fail it after 25 seconds */
priv->supplicant.con_timeout_id = g_timeout_add_seconds (25, supplicant_connection_timeout_cb, self);
return TRUE;
}
static NMActStageReturn
act_stage1_prepare (NMDevice *dev, NMDeviceStateReason *reason)
{
NMDeviceEthernet *self = NM_DEVICE_ETHERNET (dev);
NMActRequest *req;
NMSettingWired *s_wired;
const GByteArray *cloned_mac;
NMActStageReturn ret = NM_ACT_STAGE_RETURN_SUCCESS;
g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
ret = NM_DEVICE_CLASS (nm_device_ethernet_parent_class)->act_stage1_prepare (dev, reason);
if (ret == NM_ACT_STAGE_RETURN_SUCCESS) {
req = nm_device_get_act_request (NM_DEVICE (self));
g_return_val_if_fail (req != NULL, NM_ACT_STAGE_RETURN_FAILURE);
s_wired = (NMSettingWired *) device_get_setting (dev, NM_TYPE_SETTING_WIRED);
if (s_wired) {
/* Set device MAC address if the connection wants to change it */
cloned_mac = nm_setting_wired_get_cloned_mac_address (s_wired);
if (cloned_mac && (cloned_mac->len == ETH_ALEN))
nm_device_set_hw_addr (dev, cloned_mac->data, "set", LOGD_ETHER);
}
}
return ret;
}
static NMActStageReturn
nm_8021x_stage2_config (NMDeviceEthernet *self, NMDeviceStateReason *reason)
{
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
NMConnection *connection;
NMSetting8021x *security;
const char *setting_name;
const char *iface;
NMActStageReturn ret = NM_ACT_STAGE_RETURN_FAILURE;
connection = nm_device_get_connection (NM_DEVICE (self));
g_assert (connection);
security = nm_connection_get_setting_802_1x (connection);
if (!security) {
nm_log_err (LOGD_DEVICE, "Invalid or missing 802.1X security");
*reason = NM_DEVICE_STATE_REASON_CONFIG_FAILED;
return ret;
}
if (!priv->supplicant.mgr)
priv->supplicant.mgr = nm_supplicant_manager_get ();
iface = nm_device_get_iface (NM_DEVICE (self));
/* If we need secrets, get them */
setting_name = nm_connection_need_secrets (connection, NULL);
if (setting_name) {
NMActRequest *req = nm_device_get_act_request (NM_DEVICE (self));
nm_log_info (LOGD_DEVICE | LOGD_ETHER,
"Activation (%s/wired): connection '%s' has security, but secrets are required.",
iface, nm_connection_get_id (connection));
ret = handle_auth_or_fail (self, req, FALSE);
if (ret != NM_ACT_STAGE_RETURN_POSTPONE)
*reason = NM_DEVICE_STATE_REASON_NO_SECRETS;
} else {
nm_log_info (LOGD_DEVICE | LOGD_ETHER,
"Activation (%s/wired): connection '%s' requires no security. No secrets needed.",
iface, nm_connection_get_id (connection));
if (supplicant_interface_init (self))
ret = NM_ACT_STAGE_RETURN_POSTPONE;
else
*reason = NM_DEVICE_STATE_REASON_CONFIG_FAILED;
}
return ret;
}
/*****************************************************************************/
/* PPPoE */
static void
ppp_state_changed (NMPPPManager *ppp_manager, NMPPPStatus status, gpointer user_data)
{
NMDevice *device = NM_DEVICE (user_data);
switch (status) {
case NM_PPP_STATUS_DISCONNECT:
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_PPP_DISCONNECT);
break;
case NM_PPP_STATUS_DEAD:
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_PPP_FAILED);
break;
default:
break;
}
}
static void
ppp_ip4_config (NMPPPManager *ppp_manager,
const char *iface,
NMIP4Config *config,
gpointer user_data)
{
NMDevice *device = NM_DEVICE (user_data);
/* Ignore PPP IP4 events that come in after initial configuration */
if (nm_device_activate_ip4_state_in_conf (device)) {
nm_device_set_ip_iface (device, iface);
nm_device_activate_schedule_ip4_config_result (device, config);
}
}
static NMActStageReturn
pppoe_stage3_ip4_config_start (NMDeviceEthernet *self, NMDeviceStateReason *reason)
{
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
NMConnection *connection;
NMSettingPPPOE *s_pppoe;
NMActRequest *req;
GError *err = NULL;
NMActStageReturn ret = NM_ACT_STAGE_RETURN_FAILURE;
req = nm_device_get_act_request (NM_DEVICE (self));
g_assert (req);
connection = nm_act_request_get_connection (req);
g_assert (req);
s_pppoe = nm_connection_get_setting_pppoe (connection);
g_assert (s_pppoe);
priv->ppp_manager = nm_ppp_manager_new (nm_device_get_iface (NM_DEVICE (self)));
if (nm_ppp_manager_start (priv->ppp_manager, req, nm_setting_pppoe_get_username (s_pppoe), 30, &err)) {
g_signal_connect (priv->ppp_manager, "state-changed",
G_CALLBACK (ppp_state_changed),
self);
g_signal_connect (priv->ppp_manager, "ip4-config",
G_CALLBACK (ppp_ip4_config),
self);
ret = NM_ACT_STAGE_RETURN_POSTPONE;
} else {
nm_log_warn (LOGD_DEVICE, "(%s): PPPoE failed to start: %s",
nm_device_get_iface (NM_DEVICE (self)), err->message);
g_error_free (err);
g_object_unref (priv->ppp_manager);
priv->ppp_manager = NULL;
*reason = NM_DEVICE_STATE_REASON_PPP_START_FAILED;
}
return ret;
}
static NMActStageReturn
act_stage2_config (NMDevice *device, NMDeviceStateReason *reason)
{
NMSettingConnection *s_con;
const char *connection_type;
NMActStageReturn ret = NM_ACT_STAGE_RETURN_SUCCESS;
NMSettingDcb *s_dcb;
GError *error = NULL;
g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
/* DCB and FCoE setup */
s_dcb = (NMSettingDcb *) device_get_setting (device, NM_TYPE_SETTING_DCB);
if (s_dcb) {
if (!nm_dcb_setup (nm_device_get_iface (device), s_dcb, &error)) {
nm_log_warn (LOGD_DEVICE | LOGD_HW,
"Activation (%s/wired) failed to enable DCB/FCoE: %s",
nm_device_get_iface (device), error->message);
g_clear_error (&error);
*reason = NM_DEVICE_STATE_REASON_DCB_FCOE_FAILED;
return NM_ACT_STAGE_RETURN_FAILURE;
}
}
s_con = NM_SETTING_CONNECTION (device_get_setting (device, NM_TYPE_SETTING_CONNECTION));
g_assert (s_con);
/* 802.1x has to run before any IP configuration since the 802.1x auth
* process opens the port up for normal traffic.
*/
connection_type = nm_setting_connection_get_connection_type (s_con);
if (!strcmp (connection_type, NM_SETTING_WIRED_SETTING_NAME)) {
NMSetting8021x *security;
security = (NMSetting8021x *) device_get_setting (device, NM_TYPE_SETTING_802_1X);
if (security)
ret = nm_8021x_stage2_config (NM_DEVICE_ETHERNET (device), reason);
}
return ret;
}
static NMActStageReturn
act_stage3_ip4_config_start (NMDevice *device,
NMIP4Config **out_config,
NMDeviceStateReason *reason)
{
NMSettingConnection *s_con;
const char *connection_type;
g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
s_con = NM_SETTING_CONNECTION (device_get_setting (device, NM_TYPE_SETTING_CONNECTION));
g_assert (s_con);
connection_type = nm_setting_connection_get_connection_type (s_con);
if (!strcmp (connection_type, NM_SETTING_PPPOE_SETTING_NAME))
return pppoe_stage3_ip4_config_start (NM_DEVICE_ETHERNET (device), reason);
return NM_DEVICE_CLASS (nm_device_ethernet_parent_class)->act_stage3_ip4_config_start (device, out_config, reason);
}
static void
ip4_config_pre_commit (NMDevice *device, NMIP4Config *config)
{
NMConnection *connection;
NMSettingWired *s_wired;
guint32 mtu;
/* MTU only set for plain ethernet */
if (NM_DEVICE_ETHERNET_GET_PRIVATE (device)->ppp_manager)
return;
connection = nm_device_get_connection (device);
g_assert (connection);
s_wired = nm_connection_get_setting_wired (connection);
g_assert (s_wired);
/* MTU override */
mtu = nm_setting_wired_get_mtu (s_wired);
if (mtu)
nm_ip4_config_set_mtu (config, mtu);
}
static void
deactivate (NMDevice *device)
{
NMDeviceEthernet *self = NM_DEVICE_ETHERNET (device);
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
NMSettingDcb *s_dcb;
GError *error = NULL;
/* Clear wired secrets tries when deactivating */
clear_secrets_tries (device);
if (priv->pending_ip4_config) {
g_object_unref (priv->pending_ip4_config);
priv->pending_ip4_config = NULL;
}
if (priv->ppp_manager) {
g_object_unref (priv->ppp_manager);
priv->ppp_manager = NULL;
}
supplicant_interface_release (self);
/* Tear down DCB/FCoE if it was enabled */
s_dcb = (NMSettingDcb *) device_get_setting (device, NM_TYPE_SETTING_DCB);
if (s_dcb) {
if (!nm_dcb_cleanup (nm_device_get_iface (device), &error)) {
nm_log_warn (LOGD_DEVICE | LOGD_HW,
"(%s) failed to disable DCB/FCoE: %s",
nm_device_get_iface (device), error->message);
g_clear_error (&error);
}
}
/* Reset MAC address back to initial address */
nm_device_set_hw_addr (device, priv->initial_hw_addr, "reset", LOGD_ETHER);
}
static gboolean
complete_connection (NMDevice *device,
NMConnection *connection,
const char *specific_object,
const GSList *existing_connections,
GError **error)
{
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (device);
NMSettingWired *s_wired;
NMSettingPPPOE *s_pppoe;
const GByteArray *setting_mac;
s_pppoe = nm_connection_get_setting_pppoe (connection);
/* We can't telepathically figure out the service name or username, so if
* those weren't given, we can't complete the connection.
*/
if (s_pppoe && !nm_setting_verify (NM_SETTING (s_pppoe), NULL, error))
return FALSE;
/* Default to an ethernet-only connection, but if a PPPoE setting was given
* then PPPoE should be our connection type.
*/
nm_utils_complete_generic (connection,
s_pppoe ? NM_SETTING_PPPOE_SETTING_NAME : NM_SETTING_WIRED_SETTING_NAME,
existing_connections,
s_pppoe ? _("PPPoE connection %d") : _("Wired connection %d"),
NULL,
s_pppoe ? FALSE : TRUE); /* No IPv6 by default yet for PPPoE */
s_wired = nm_connection_get_setting_wired (connection);
if (!s_wired) {
s_wired = (NMSettingWired *) nm_setting_wired_new ();
nm_connection_add_setting (connection, NM_SETTING (s_wired));
}
setting_mac = nm_setting_wired_get_mac_address (s_wired);
if (setting_mac) {
/* Make sure the setting MAC (if any) matches the device's permanent MAC */
if (memcmp (setting_mac->data, priv->perm_hw_addr, ETH_ALEN)) {
g_set_error_literal (error,
NM_SETTING_WIRED_ERROR,
NM_SETTING_WIRED_ERROR_INVALID_PROPERTY,
NM_SETTING_WIRED_MAC_ADDRESS);
return FALSE;
}
} else {
GByteArray *mac;
const guint8 null_mac[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
/* Lock the connection to this device by default */
if (memcmp (priv->perm_hw_addr, null_mac, ETH_ALEN)) {
mac = g_byte_array_sized_new (ETH_ALEN);
g_byte_array_append (mac, priv->perm_hw_addr, ETH_ALEN);
g_object_set (G_OBJECT (s_wired), NM_SETTING_WIRED_MAC_ADDRESS, mac, NULL);
g_byte_array_free (mac, TRUE);
}
}
return TRUE;
}
static gboolean
spec_match_list (NMDevice *device, const GSList *specs)
{
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (device);
if (priv->subchannels && nm_match_spec_s390_subchannels (specs, priv->subchannels))
return TRUE;
return NM_DEVICE_CLASS (nm_device_ethernet_parent_class)->spec_match_list (device, specs);
}
static void
update_connection (NMDevice *device, NMConnection *connection)
{
NMSettingWired *s_wired = nm_connection_get_setting_wired (connection);
guint maclen;
gconstpointer mac = nm_device_get_hw_address (device, &maclen);
if (!s_wired) {
s_wired = (NMSettingWired *) nm_setting_wired_new ();
nm_connection_add_setting (connection, (NMSetting *) s_wired);
}
if (mac && maclen == 6) {
GBytes *address = g_bytes_new (mac, maclen);
g_object_set (s_wired, NM_SETTING_WIRED_MAC_ADDRESS, address, NULL);
}
/* We don't set the MTU as we don't know whether it was set explicitly */
}
static void
get_link_speed (NMDevice *device)
{
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (device);
struct ifreq ifr;
struct ethtool_cmd edata = {
.cmd = ETHTOOL_GSET,
};
guint32 speed;
int fd;
fd = socket (PF_INET, SOCK_DGRAM, 0);
if (fd < 0) {
nm_log_warn (LOGD_HW | LOGD_ETHER, "couldn't open ethtool control socket.");
return;
}
memset (&ifr, 0, sizeof (struct ifreq));
strncpy (ifr.ifr_name, nm_device_get_iface (device), IFNAMSIZ);
ifr.ifr_data = (char *) &edata;
if (ioctl (fd, SIOCETHTOOL, &ifr) < 0) {
close (fd);
return;
}
close (fd);
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
speed = edata.speed;
#else
speed = ethtool_cmd_speed (&edata);
#endif
if (speed == G_MAXUINT16 || speed == G_MAXUINT32)
speed = 0;
if (priv->speed == speed)
return;
priv->speed = speed;
g_object_notify (G_OBJECT (device), "speed");
nm_log_dbg (LOGD_HW | LOGD_ETHER, "(%s): speed is now %d Mb/s",
nm_device_get_iface (device), speed);
}
static void
carrier_changed (NMDevice *device, gboolean carrier)
{
if (carrier)
get_link_speed (device);
NM_DEVICE_CLASS (nm_device_ethernet_parent_class)->carrier_changed (device, carrier);
}
static void
dispose (GObject *object)
{
NMDeviceEthernet *self = NM_DEVICE_ETHERNET (object);
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
g_clear_object (&priv->supplicant.mgr);
g_free (priv->subchan1);
g_free (priv->subchan2);
g_free (priv->subchan3);
g_free (priv->subchannels);
G_OBJECT_CLASS (nm_device_ethernet_parent_class)->dispose (object);
}
static void
get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
NMDeviceEthernet *self = NM_DEVICE_ETHERNET (object);
NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
switch (prop_id) {
case PROP_PERM_HW_ADDRESS:
g_value_take_string (value, nm_utils_hwaddr_ntoa (&priv->perm_hw_addr, ARPHRD_ETHER));
break;
case PROP_SPEED:
g_value_set_uint (value, priv->speed);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec)
{
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
nm_device_ethernet_class_init (NMDeviceEthernetClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
NMDeviceClass *parent_class = NM_DEVICE_CLASS (klass);
g_type_class_add_private (object_class, sizeof (NMDeviceEthernetPrivate));
parent_class->connection_type = NM_SETTING_WIRED_SETTING_NAME;
/* virtual methods */
object_class->constructor = constructor;
object_class->dispose = dispose;
object_class->get_property = get_property;
object_class->set_property = set_property;
parent_class->get_generic_capabilities = get_generic_capabilities;
parent_class->update_permanent_hw_address = update_permanent_hw_address;
parent_class->update_initial_hw_address = update_initial_hw_address;
parent_class->check_connection_compatible = check_connection_compatible;
parent_class->complete_connection = complete_connection;
parent_class->act_stage1_prepare = act_stage1_prepare;
parent_class->act_stage2_config = act_stage2_config;
parent_class->act_stage3_ip4_config_start = act_stage3_ip4_config_start;
parent_class->ip4_config_pre_commit = ip4_config_pre_commit;
parent_class->deactivate = deactivate;
parent_class->spec_match_list = spec_match_list;
parent_class->update_connection = update_connection;
parent_class->carrier_changed = carrier_changed;
parent_class->state_changed = device_state_changed;
/* properties */
g_object_class_install_property
(object_class, PROP_PERM_HW_ADDRESS,
g_param_spec_string (NM_DEVICE_ETHERNET_PERMANENT_HW_ADDRESS,
"Permanent MAC Address",
"Permanent hardware MAC address",
NULL,
G_PARAM_READABLE));
g_object_class_install_property
(object_class, PROP_SPEED,
g_param_spec_uint (NM_DEVICE_ETHERNET_SPEED,
"Speed",
"Speed",
0, G_MAXUINT32, 0,
G_PARAM_READABLE));
nm_dbus_manager_register_exported_type (nm_dbus_manager_get (),
G_TYPE_FROM_CLASS (klass),
&dbus_glib_nm_device_ethernet_object_info);
dbus_g_error_domain_register (NM_ETHERNET_ERROR, NULL, NM_TYPE_ETHERNET_ERROR);
}
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