mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager.git
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88071abb43
Our coding style recommends C style comments (/* */) instead of C++ (//). Also, systemd (which we partly fork) uses C style comments for the SPDX-License-Identifier. Unify the style. $ sed -i '1 s#// SPDX-License-Identifier: \([^ ]\+\)$#/* SPDX-License-Identifier: \1 */#' -- $(git ls-files -- '*.[hc]' '*.[hc]pp')
403 lines
14 KiB
C
403 lines
14 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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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 "nm-default.h"
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#include "nm-device-ethernet.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-utils.h"
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#include "nm-object-private.h"
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/*****************************************************************************/
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NM_GOBJECT_PROPERTIES_DEFINE_BASE(PROP_PERM_HW_ADDRESS,
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PROP_SPEED,
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PROP_CARRIER,
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PROP_S390_SUBCHANNELS, );
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typedef struct {
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char ** s390_subchannels;
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char * perm_hw_address;
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guint32 speed;
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bool carrier;
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} NMDeviceEthernetPrivate;
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struct _NMDeviceEthernet {
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NMDevice parent;
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NMDeviceEthernetPrivate _priv;
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};
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struct _NMDeviceEthernetClass {
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NMDeviceClass parent;
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};
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G_DEFINE_TYPE(NMDeviceEthernet, nm_device_ethernet, NM_TYPE_DEVICE)
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#define NM_DEVICE_ETHERNET_GET_PRIVATE(self) \
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_NM_GET_PRIVATE(self, NMDeviceEthernet, NM_IS_DEVICE_ETHERNET, NMObject, NMDevice)
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/*****************************************************************************/
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/**
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* nm_device_ethernet_get_hw_address: (skip)
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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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* Deprecated: 1.24: Use nm_device_get_hw_address() instead.
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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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return nm_device_get_hw_address(NM_DEVICE(device));
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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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return _nml_coerce_property_str_not_empty(
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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 in Mbit/s.
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*
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* Returns: the speed of the device in Mbit/s
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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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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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return NM_DEVICE_ETHERNET_GET_PRIVATE(device)->carrier;
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}
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/**
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* nm_device_ethernet_get_s390_subchannels:
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* @device: a #NMDeviceEthernet
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*
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* Return the list of s390 subchannels if the device supports them.
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*
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* Returns: (transfer none) (element-type utf8): array of strings, each specifying
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* one subchannel the s390 device uses to communicate to the host.
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*
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* Since: 1.2
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**/
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const char *const *
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nm_device_ethernet_get_s390_subchannels(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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return (const char *const *) NM_DEVICE_ETHERNET_GET_PRIVATE(device)->s390_subchannels;
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}
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static gboolean
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match_subchans(NMDeviceEthernet *self, NMSettingWired *s_wired, gboolean *try_mac)
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{
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NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE(self);
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const char *const * subchans;
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gsize num1, num2;
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gsize i, j;
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*try_mac = TRUE;
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subchans = nm_setting_wired_get_s390_subchannels(s_wired);
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num1 = NM_PTRARRAY_LEN(subchans);
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num2 = NM_PTRARRAY_LEN(priv->s390_subchannels);
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/* connection has no subchannels */
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if (num1 == 0)
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return TRUE;
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/* connection requires subchannels but the device has none */
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if (num2 == 0)
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return FALSE;
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/* number of subchannels differ */
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if (num1 != num2)
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return FALSE;
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/* Make sure each subchannel in the connection is a subchannel of this device */
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for (i = 0; subchans[i]; i++) {
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const char *candidate = subchans[i];
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gboolean found = FALSE;
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for (j = 0; priv->s390_subchannels[j]; j++) {
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if (!g_strcmp0(priv->s390_subchannels[j], candidate))
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found = TRUE;
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}
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if (!found)
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return FALSE; /* a subchannel was not found */
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}
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*try_mac = FALSE;
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return TRUE;
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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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NMSettingWired *s_wired;
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if (!NM_DEVICE_CLASS(nm_device_ethernet_parent_class)
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->connection_compatible(device, connection, error))
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return FALSE;
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if (nm_connection_is_type(connection, NM_SETTING_PPPOE_SETTING_NAME)) {
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/* NOP */
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} else if (!nm_connection_is_type(connection, NM_SETTING_WIRED_SETTING_NAME)) {
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g_set_error_literal(error,
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NM_DEVICE_ERROR,
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NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
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_("The connection was not an Ethernet 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 (s_wired) {
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const char * perm_addr, *s_mac;
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gboolean try_mac = TRUE;
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const char *const *mac_blacklist;
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int i;
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/* Check s390 subchannels */
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if (!match_subchans(NM_DEVICE_ETHERNET(device), s_wired, &try_mac)) {
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g_set_error_literal(error,
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NM_DEVICE_ERROR,
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NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
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_("The connection and device differ in S390 subchannels."));
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return FALSE;
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}
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/* Check MAC address */
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perm_addr = nm_device_ethernet_get_permanent_hw_address(NM_DEVICE_ETHERNET(device));
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s_mac = nm_setting_wired_get_mac_address(s_wired);
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if (perm_addr) {
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/* Virtual devices will have empty permanent addr but they should not be excluded
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* from the MAC address check specified in the connection */
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if (*perm_addr == 0)
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perm_addr = nm_device_get_hw_address(NM_DEVICE(device));
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if (!nm_utils_hwaddr_valid(perm_addr, ETH_ALEN)) {
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g_set_error(error,
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NM_DEVICE_ERROR,
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NM_DEVICE_ERROR_FAILED,
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_("Invalid device MAC address %s."),
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perm_addr);
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return FALSE;
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}
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if (try_mac && s_mac && !nm_utils_hwaddr_matches(s_mac, -1, perm_addr, -1)) {
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g_set_error_literal(error,
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NM_DEVICE_ERROR,
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NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
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_("The MACs of the device and the connection do not match."));
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return FALSE;
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}
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/* Check for MAC address blacklist */
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mac_blacklist = nm_setting_wired_get_mac_address_blacklist(s_wired);
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for (i = 0; mac_blacklist[i]; i++) {
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if (!nm_utils_hwaddr_valid(mac_blacklist[i], ETH_ALEN)) {
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g_warn_if_reached();
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g_set_error(error,
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NM_DEVICE_ERROR,
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NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
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_("Invalid MAC in the blacklist: %s."),
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mac_blacklist[i]);
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return FALSE;
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}
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if (nm_utils_hwaddr_matches(mac_blacklist[i], -1, perm_addr, -1)) {
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g_set_error(error,
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NM_DEVICE_ERROR,
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NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
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_("Device MAC (%s) is blacklisted by the connection."),
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perm_addr);
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return FALSE;
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}
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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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static GType
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get_setting_type(NMDevice *device)
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{
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return NM_TYPE_SETTING_WIRED;
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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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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->perm_hw_address);
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g_strfreev(priv->s390_subchannels);
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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, guint prop_id, GValue *value, GParamSpec *pspec)
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{
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NMDeviceEthernet * device = NM_DEVICE_ETHERNET(object);
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NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE(device);
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switch (prop_id) {
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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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case PROP_S390_SUBCHANNELS:
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g_value_set_boxed(value, priv->s390_subchannels);
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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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/* TODO: implemented Veth. */
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const NMLDBusMetaIface _nml_dbus_meta_iface_nm_device_veth = NML_DBUS_META_IFACE_INIT(
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NM_DBUS_INTERFACE_DEVICE_VETH,
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NULL,
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NML_DBUS_META_INTERFACE_PRIO_NONE,
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NML_DBUS_META_IFACE_DBUS_PROPERTIES(NML_DBUS_META_PROPERTY_INIT_TODO("Peer", "o"), ), );
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const NMLDBusMetaIface _nml_dbus_meta_iface_nm_device_wired = NML_DBUS_META_IFACE_INIT_PROP(
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NM_DBUS_INTERFACE_DEVICE_WIRED,
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nm_device_ethernet_get_type,
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NML_DBUS_META_INTERFACE_PRIO_INSTANTIATE_HIGH,
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NML_DBUS_META_IFACE_DBUS_PROPERTIES(
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NML_DBUS_META_PROPERTY_INIT_B("Carrier", PROP_CARRIER, NMDeviceEthernet, _priv.carrier),
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NML_DBUS_META_PROPERTY_INIT_FCN("HwAddress",
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0,
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"s",
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_nm_device_notify_update_prop_hw_address),
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NML_DBUS_META_PROPERTY_INIT_S("PermHwAddress",
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PROP_PERM_HW_ADDRESS,
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NMDeviceEthernet,
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_priv.perm_hw_address),
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NML_DBUS_META_PROPERTY_INIT_AS("S390Subchannels",
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PROP_S390_SUBCHANNELS,
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NMDeviceEthernet,
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_priv.s390_subchannels),
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NML_DBUS_META_PROPERTY_INIT_U("Speed", PROP_SPEED, NMDeviceEthernet, _priv.speed), ), );
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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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object_class->get_property = get_property;
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object_class->finalize = finalize;
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device_class->connection_compatible = connection_compatible;
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device_class->get_setting_type = get_setting_type;
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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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obj_properties[PROP_PERM_HW_ADDRESS] =
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g_param_spec_string(NM_DEVICE_ETHERNET_PERMANENT_HW_ADDRESS,
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"",
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"",
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NULL,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
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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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obj_properties[PROP_SPEED] = g_param_spec_uint(NM_DEVICE_ETHERNET_SPEED,
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"",
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"",
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0,
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G_MAXUINT32,
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0,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
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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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obj_properties[PROP_CARRIER] = g_param_spec_boolean(NM_DEVICE_ETHERNET_CARRIER,
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"",
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"",
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FALSE,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
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/**
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* NMDeviceEthernet:s390-subchannels:
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*
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* Identifies subchannels of this network device used for
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* communication with z/VM or s390 host.
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*
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* Since: 1.2
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**/
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obj_properties[PROP_S390_SUBCHANNELS] =
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g_param_spec_boxed(NM_DEVICE_ETHERNET_S390_SUBCHANNELS,
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"",
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"",
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G_TYPE_STRV,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
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_nml_dbus_meta_class_init_with_properties(object_class, &_nml_dbus_meta_iface_nm_device_wired);
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}
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