diff options
Diffstat (limited to 'src/libnm-core-impl/nm-setting-loopback.c')
| -rw-r--r-- | src/libnm-core-impl/nm-setting-loopback.c | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/src/libnm-core-impl/nm-setting-loopback.c b/src/libnm-core-impl/nm-setting-loopback.c new file mode 100644 index 00000000..1451b411 --- /dev/null +++ b/src/libnm-core-impl/nm-setting-loopback.c @@ -0,0 +1,212 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2022 Red Hat, Inc. + */ + +#include "libnm-core-impl/nm-default-libnm-core.h" + +#include "nm-setting-loopback.h" + +#include "nm-connection-private.h" +#include "nm-setting-connection.h" +#include "nm-setting-private.h" + +/** + * SECTION:nm-setting-loopback + * @short_description: Describes connection properties for loopback interfaces + * + * The #NMSettingLoopback object is a #NMSetting subclass that describes properties + * necessary for connection to loopback devices + **/ + +/*****************************************************************************/ + +NM_GOBJECT_PROPERTIES_DEFINE(NMSettingLoopback, PROP_MTU, ); + +typedef struct { + guint32 mtu; +} NMSettingLoopbackPrivate; + +/** + * NMSettingLoopback: + * + * Loopback Link Settings + * + * Since: 1.42 + */ +struct _NMSettingLoopback { + NMSetting parent; + NMSettingLoopbackPrivate _priv; +}; + +struct _NMSettingLoopbackClass { + NMSettingClass parent; +}; + +#define NM_SETTING_LOOPBACK_GET_PRIVATE(self) \ + _NM_GET_PRIVATE(self, NMSettingLoopback, NM_IS_SETTING_LOOPBACK) + +G_DEFINE_TYPE(NMSettingLoopback, nm_setting_loopback, NM_TYPE_SETTING) + +/*****************************************************************************/ + +/** + * nm_setting_loopback_get_mtu: + * @setting: the #NMSettingLoopback + * + * Returns: the #NMSettingLoopback:mtu property of the setting + * + * Since: 1.42 + **/ +guint32 +nm_setting_loopback_get_mtu(NMSettingLoopback *setting) +{ + g_return_val_if_fail(NM_IS_SETTING_LOOPBACK(setting), 0); + + return NM_SETTING_LOOPBACK_GET_PRIVATE(setting)->mtu; +} + +static gboolean +verify(NMSetting *setting, NMConnection *connection, GError **error) +{ + if (connection) { + NMSettingIPConfig *s_ip4; + NMSettingIPConfig *s_ip6; + NMSettingConnection *s_con; + const char *method; + + if ((s_ip4 = nm_connection_get_setting_ip4_config(connection))) { + if ((method = nm_setting_ip_config_get_method(s_ip4)) + && !NM_IN_STRSET(method, + NM_SETTING_IP4_CONFIG_METHOD_AUTO, + NM_SETTING_IP4_CONFIG_METHOD_MANUAL)) { + g_set_error(error, + NM_CONNECTION_ERROR, + NM_CONNECTION_ERROR_INVALID_PROPERTY, + _("ipv4 method \"%s\" is not supported for loopback"), + method); + g_prefix_error(error, + "%s.%s: ", + NM_SETTING_IP4_CONFIG_SETTING_NAME, + NM_SETTING_IP_CONFIG_METHOD); + return FALSE; + } + if (!NM_IN_SET(nm_setting_ip4_config_get_link_local(NM_SETTING_IP4_CONFIG(s_ip4)), + NM_SETTING_IP4_LL_DEFAULT, + NM_SETTING_IP4_LL_AUTO, + NM_SETTING_IP4_LL_DISABLED)) { + g_set_error(error, + NM_CONNECTION_ERROR, + NM_CONNECTION_ERROR_INVALID_PROPERTY, + _("ipv4.link-local cannot be enabled for loopback")); + g_prefix_error(error, + "%s.%s: ", + NM_SETTING_IP4_CONFIG_SETTING_NAME, + NM_SETTING_IP4_CONFIG_LINK_LOCAL); + return FALSE; + } + } + if ((s_ip6 = nm_connection_get_setting_ip6_config(connection))) { + if ((method = nm_setting_ip_config_get_method(s_ip6)) + && !NM_IN_STRSET(method, + NM_SETTING_IP6_CONFIG_METHOD_AUTO, + NM_SETTING_IP6_CONFIG_METHOD_MANUAL)) { + g_set_error(error, + NM_CONNECTION_ERROR, + NM_CONNECTION_ERROR_INVALID_PROPERTY, + _("ipv6 method \"%s\" is not supported for loopback"), + method); + g_prefix_error(error, + "%s.%s: ", + NM_SETTING_IP6_CONFIG_SETTING_NAME, + NM_SETTING_IP_CONFIG_METHOD); + return FALSE; + } + } + + if ((s_con = nm_connection_get_setting_connection(connection))) { + if (nm_setting_connection_get_slave_type(s_con) + || nm_setting_connection_get_master(s_con)) { + g_set_error(error, + NM_CONNECTION_ERROR, + NM_CONNECTION_ERROR_INVALID_PROPERTY, + _("a loopback profile cannot be a port")); + g_prefix_error(error, + "%s.%s: ", + NM_SETTING_CONNECTION_SETTING_NAME, + nm_setting_connection_get_slave_type(s_con) + ? NM_SETTING_CONNECTION_SLAVE_TYPE + : NM_SETTING_CONNECTION_MASTER); + return FALSE; + } + } + } + return TRUE; +} + +/*****************************************************************************/ + +static void +nm_setting_loopback_init(NMSettingLoopback *setting) +{} + +/** + * nm_setting_loopback_new: + * + * Creates a new #NMSettingLoopback object with default values. + * + * Returns: (transfer full): the new empty #NMSettingLoopback object + * + * Since: 1.42 + **/ +NMSetting * +nm_setting_loopback_new(void) +{ + return g_object_new(NM_TYPE_SETTING_LOOPBACK, NULL); +} + +static void +nm_setting_loopback_class_init(NMSettingLoopbackClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS(klass); + NMSettingClass *setting_class = NM_SETTING_CLASS(klass); + GArray *properties_override = _nm_sett_info_property_override_create_array(); + + object_class->get_property = _nm_setting_property_get_property_direct; + object_class->set_property = _nm_setting_property_set_property_direct; + + setting_class->verify = verify; + + /** + * NMSettingLoopback:mtu: + * + * If non-zero, only transmit packets of the specified size or smaller, + * breaking larger packets up into multiple Ethernet frames. + * + * Since: 1.42 + **/ + /* ---ifcfg-rh--- + * property: mtu + * variable: MTU + * description: MTU of the interface. + * ---end--- + */ + _nm_setting_property_define_direct_uint32(properties_override, + obj_properties, + NM_SETTING_LOOPBACK_MTU, + PROP_MTU, + 0, + G_MAXUINT32, + 0, + NM_SETTING_PARAM_FUZZY_IGNORE, + NMSettingLoopback, + _priv.mtu); + + g_object_class_install_properties(object_class, _PROPERTY_ENUMS_LAST, obj_properties); + + _nm_setting_class_commit(setting_class, + NM_META_SETTING_TYPE_LOOPBACK, + NULL, + properties_override, + 0); +} |