diff options
Diffstat (limited to 'src/libnm-client-impl/nm-device-ethernet.c')
| -rw-r--r-- | src/libnm-client-impl/nm-device-ethernet.c | 404 |
1 files changed, 404 insertions, 0 deletions
diff --git a/src/libnm-client-impl/nm-device-ethernet.c b/src/libnm-client-impl/nm-device-ethernet.c new file mode 100644 index 00000000..b32decde --- /dev/null +++ b/src/libnm-client-impl/nm-device-ethernet.c @@ -0,0 +1,404 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2007 - 2008 Novell, Inc. + * Copyright (C) 2007 - 2012 Red Hat, Inc. + */ + +#include "libnm-client-impl/nm-default-libnm.h" + +#include "nm-device-ethernet.h" + +#include <linux/if_ether.h> + +#include "nm-libnm-utils.h" +#include "nm-setting-connection.h" +#include "nm-setting-wired.h" +#include "nm-setting-pppoe.h" +#include "nm-setting-veth.h" +#include "nm-utils.h" +#include "nm-object-private.h" +#include "nm-device-veth.h" + +/*****************************************************************************/ + +NM_GOBJECT_PROPERTIES_DEFINE_BASE(PROP_PERM_HW_ADDRESS, + PROP_SPEED, + PROP_CARRIER, + PROP_S390_SUBCHANNELS, ); + +typedef struct _NMDeviceEthernetPrivate { + char ** s390_subchannels; + char * perm_hw_address; + guint32 speed; + bool carrier; +} NMDeviceEthernetPrivate; + +G_DEFINE_TYPE(NMDeviceEthernet, nm_device_ethernet, NM_TYPE_DEVICE) + +#define NM_DEVICE_ETHERNET_GET_PRIVATE(self) \ + _NM_GET_PRIVATE_PTR(self, NMDeviceEthernet, NM_IS_DEVICE_ETHERNET, NMObject) + +/*****************************************************************************/ + +/** + * nm_device_ethernet_get_hw_address: (skip) + * @device: a #NMDeviceEthernet + * + * Gets the active hardware (MAC) address of the #NMDeviceEthernet + * + * Returns: the active hardware address. This is the internal string used by the + * device, and must not be modified. + * + * Deprecated: 1.24: Use nm_device_get_hw_address() instead. + **/ +const char * +nm_device_ethernet_get_hw_address(NMDeviceEthernet *device) +{ + g_return_val_if_fail(NM_IS_DEVICE_ETHERNET(device), NULL); + + return nm_device_get_hw_address(NM_DEVICE(device)); +} + +/** + * nm_device_ethernet_get_permanent_hw_address: + * @device: a #NMDeviceEthernet + * + * Gets the permanent hardware (MAC) address of the #NMDeviceEthernet + * + * Returns: the permanent hardware address. This is the internal string used by the + * device, and must not be modified. + **/ +const char * +nm_device_ethernet_get_permanent_hw_address(NMDeviceEthernet *device) +{ + g_return_val_if_fail(NM_IS_DEVICE_ETHERNET(device), NULL); + + return _nml_coerce_property_str_not_empty( + NM_DEVICE_ETHERNET_GET_PRIVATE(device)->perm_hw_address); +} + +/** + * nm_device_ethernet_get_speed: + * @device: a #NMDeviceEthernet + * + * Gets the speed of the #NMDeviceEthernet in Mbit/s. + * + * Returns: the speed of the device in Mbit/s + **/ +guint32 +nm_device_ethernet_get_speed(NMDeviceEthernet *device) +{ + g_return_val_if_fail(NM_IS_DEVICE_ETHERNET(device), 0); + + return NM_DEVICE_ETHERNET_GET_PRIVATE(device)->speed; +} + +/** + * nm_device_ethernet_get_carrier: + * @device: a #NMDeviceEthernet + * + * Whether the device has carrier. + * + * Returns: %TRUE if the device has carrier + **/ +gboolean +nm_device_ethernet_get_carrier(NMDeviceEthernet *device) +{ + g_return_val_if_fail(NM_IS_DEVICE_ETHERNET(device), FALSE); + + return NM_DEVICE_ETHERNET_GET_PRIVATE(device)->carrier; +} + +/** + * nm_device_ethernet_get_s390_subchannels: + * @device: a #NMDeviceEthernet + * + * Return the list of s390 subchannels if the device supports them. + * + * Returns: (transfer none) (element-type utf8): array of strings, each specifying + * one subchannel the s390 device uses to communicate to the host. + * + * Since: 1.2 + **/ +const char *const * +nm_device_ethernet_get_s390_subchannels(NMDeviceEthernet *device) +{ + g_return_val_if_fail(NM_IS_DEVICE_ETHERNET(device), NULL); + + return (const char *const *) NM_DEVICE_ETHERNET_GET_PRIVATE(device)->s390_subchannels; +} + +static gboolean +match_subchans(NMDeviceEthernet *self, NMSettingWired *s_wired, gboolean *try_mac) +{ + NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE(self); + const char *const * subchans; + gsize num1, num2; + gsize i, j; + + *try_mac = TRUE; + + subchans = nm_setting_wired_get_s390_subchannels(s_wired); + num1 = NM_PTRARRAY_LEN(subchans); + num2 = NM_PTRARRAY_LEN(priv->s390_subchannels); + /* connection has no subchannels */ + if (num1 == 0) + return TRUE; + /* connection requires subchannels but the device has none */ + if (num2 == 0) + return FALSE; + /* number of subchannels differ */ + if (num1 != num2) + return FALSE; + + /* Make sure each subchannel in the connection is a subchannel of this device */ + for (i = 0; subchans[i]; i++) { + const char *candidate = subchans[i]; + gboolean found = FALSE; + + for (j = 0; priv->s390_subchannels[j]; j++) { + if (!g_strcmp0(priv->s390_subchannels[j], candidate)) + found = TRUE; + } + if (!found) + return FALSE; /* a subchannel was not found */ + } + + *try_mac = FALSE; + return TRUE; +} + +static gboolean +connection_compatible(NMDevice *device, NMConnection *connection, GError **error) +{ + NMSettingWired *s_wired; + + if (!NM_DEVICE_CLASS(nm_device_ethernet_parent_class) + ->connection_compatible(device, connection, error)) + return FALSE; + + if (nm_connection_is_type(connection, NM_SETTING_PPPOE_SETTING_NAME) + || nm_connection_is_type(connection, NM_SETTING_WIRED_SETTING_NAME) + || (nm_connection_is_type(connection, NM_SETTING_VETH_SETTING_NAME) + && NM_IS_DEVICE_VETH(device))) { + /* NOP */ + } else { + g_set_error_literal(error, + NM_DEVICE_ERROR, + NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION, + _("The connection was not an Ethernet or PPPoE connection.")); + return FALSE; + } + + s_wired = nm_connection_get_setting_wired(connection); + /* Wired setting optional for PPPoE */ + if (s_wired) { + const char * perm_addr, *s_mac; + gboolean try_mac = TRUE; + const char *const *mac_blacklist; + int i; + + /* Check s390 subchannels */ + if (!match_subchans(NM_DEVICE_ETHERNET(device), s_wired, &try_mac)) { + g_set_error_literal(error, + NM_DEVICE_ERROR, + NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION, + _("The connection and device differ in S390 subchannels.")); + return FALSE; + } + + /* Check MAC address */ + perm_addr = nm_device_ethernet_get_permanent_hw_address(NM_DEVICE_ETHERNET(device)); + s_mac = nm_setting_wired_get_mac_address(s_wired); + if (perm_addr) { + /* Virtual devices will have empty permanent addr but they should not be excluded + * from the MAC address check specified in the connection */ + if (*perm_addr == 0) + perm_addr = nm_device_get_hw_address(NM_DEVICE(device)); + + if (!nm_utils_hwaddr_valid(perm_addr, ETH_ALEN)) { + g_set_error(error, + NM_DEVICE_ERROR, + NM_DEVICE_ERROR_FAILED, + _("Invalid device MAC address %s."), + perm_addr); + return FALSE; + } + if (try_mac && s_mac && !nm_utils_hwaddr_matches(s_mac, -1, perm_addr, -1)) { + g_set_error_literal(error, + NM_DEVICE_ERROR, + NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION, + _("The MACs of the device and the connection do not match.")); + return FALSE; + } + + /* Check for MAC address blacklist */ + mac_blacklist = nm_setting_wired_get_mac_address_blacklist(s_wired); + for (i = 0; mac_blacklist[i]; i++) { + if (!nm_utils_hwaddr_valid(mac_blacklist[i], ETH_ALEN)) { + g_warn_if_reached(); + g_set_error(error, + NM_DEVICE_ERROR, + NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION, + _("Invalid MAC in the blacklist: %s."), + mac_blacklist[i]); + return FALSE; + } + + if (nm_utils_hwaddr_matches(mac_blacklist[i], -1, perm_addr, -1)) { + g_set_error(error, + NM_DEVICE_ERROR, + NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION, + _("Device MAC (%s) is blacklisted by the connection."), + perm_addr); + return FALSE; + } + } + } + } + + return TRUE; +} + +static GType +get_setting_type(NMDevice *device) +{ + return NM_TYPE_SETTING_WIRED; +} + +/*****************************************************************************/ + +static void +nm_device_ethernet_init(NMDeviceEthernet *device) +{ + NMDeviceEthernetPrivate *priv; + + priv = G_TYPE_INSTANCE_GET_PRIVATE(device, NM_TYPE_DEVICE_ETHERNET, NMDeviceEthernetPrivate); + + device->_priv = priv; +} + +static void +finalize(GObject *object) +{ + NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE(object); + + g_free(priv->perm_hw_address); + g_strfreev(priv->s390_subchannels); + + G_OBJECT_CLASS(nm_device_ethernet_parent_class)->finalize(object); +} + +static void +get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) +{ + NMDeviceEthernet * device = NM_DEVICE_ETHERNET(object); + NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE(device); + + switch (prop_id) { + case PROP_PERM_HW_ADDRESS: + g_value_set_string(value, nm_device_ethernet_get_permanent_hw_address(device)); + break; + case PROP_SPEED: + g_value_set_uint(value, nm_device_ethernet_get_speed(device)); + break; + case PROP_CARRIER: + g_value_set_boolean(value, nm_device_ethernet_get_carrier(device)); + break; + case PROP_S390_SUBCHANNELS: + g_value_set_boxed(value, priv->s390_subchannels); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); + break; + } +} + +const NMLDBusMetaIface _nml_dbus_meta_iface_nm_device_wired = NML_DBUS_META_IFACE_INIT_PROP( + NM_DBUS_INTERFACE_DEVICE_WIRED, + nm_device_ethernet_get_type, + NML_DBUS_META_INTERFACE_PRIO_INSTANTIATE_20, + NML_DBUS_META_IFACE_DBUS_PROPERTIES( + NML_DBUS_META_PROPERTY_INIT_B("Carrier", PROP_CARRIER, NMDeviceEthernetPrivate, carrier), + NML_DBUS_META_PROPERTY_INIT_FCN("HwAddress", + 0, + "s", + _nm_device_notify_update_prop_hw_address), + NML_DBUS_META_PROPERTY_INIT_S("PermHwAddress", + PROP_PERM_HW_ADDRESS, + NMDeviceEthernetPrivate, + perm_hw_address), + NML_DBUS_META_PROPERTY_INIT_AS("S390Subchannels", + PROP_S390_SUBCHANNELS, + NMDeviceEthernetPrivate, + s390_subchannels), + NML_DBUS_META_PROPERTY_INIT_U("Speed", PROP_SPEED, NMDeviceEthernetPrivate, speed), ), + .base_struct_offset = G_STRUCT_OFFSET(NMDeviceEthernet, _priv), ); + +static void +nm_device_ethernet_class_init(NMDeviceEthernetClass *klass) +{ + GObjectClass * object_class = G_OBJECT_CLASS(klass); + NMDeviceClass *device_class = NM_DEVICE_CLASS(klass); + + g_type_class_add_private(klass, sizeof(NMDeviceEthernetPrivate)); + + object_class->get_property = get_property; + object_class->finalize = finalize; + + device_class->connection_compatible = connection_compatible; + device_class->get_setting_type = get_setting_type; + + /** + * NMDeviceEthernet:perm-hw-address: + * + * The permanent hardware (MAC) address of the device. + **/ + obj_properties[PROP_PERM_HW_ADDRESS] = + g_param_spec_string(NM_DEVICE_ETHERNET_PERMANENT_HW_ADDRESS, + "", + "", + NULL, + G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); + + /** + * NMDeviceEthernet:speed: + * + * The speed of the device. + **/ + obj_properties[PROP_SPEED] = g_param_spec_uint(NM_DEVICE_ETHERNET_SPEED, + "", + "", + 0, + G_MAXUINT32, + 0, + G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); + + /** + * NMDeviceEthernet:carrier: + * + * Whether the device has carrier. + **/ + obj_properties[PROP_CARRIER] = g_param_spec_boolean(NM_DEVICE_ETHERNET_CARRIER, + "", + "", + FALSE, + G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); + + /** + * NMDeviceEthernet:s390-subchannels: + * + * Identifies subchannels of this network device used for + * communication with z/VM or s390 host. + * + * Since: 1.2 + **/ + obj_properties[PROP_S390_SUBCHANNELS] = + g_param_spec_boxed(NM_DEVICE_ETHERNET_S390_SUBCHANNELS, + "", + "", + G_TYPE_STRV, + G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); + + _nml_dbus_meta_class_init_with_properties(object_class, &_nml_dbus_meta_iface_nm_device_wired); +} |