New upstream version 1.42.0 upstream/1.42.0

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);
+}