New upstream version 1.32.12 upstream/1.32.12

1 files changed, 394 insertions, 0 deletions

diff --git a/src/libnm-client-impl/nm-device-tun.c b/src/libnm-client-impl/nm-device-tun.c
new file mode 100644
index 00000000..8b8ca0fe
--- /dev/null
+++ b/src/libnm-client-impl/nm-device-tun.c
@@ -0,0 +1,394 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2015 Red Hat, Inc.
+ */
+
+#include "libnm-client-impl/nm-default-libnm.h"
+
+#include "nm-device-tun.h"
+
+#include <arpa/inet.h>
+
+#include "nm-setting-connection.h"
+#include "nm-setting-tun.h"
+#include "nm-utils.h"
+#include "nm-object-private.h"
+
+/*****************************************************************************/
+
+NM_GOBJECT_PROPERTIES_DEFINE_BASE(PROP_MODE,
+                                  PROP_OWNER,
+                                  PROP_GROUP,
+                                  PROP_NO_PI,
+                                  PROP_VNET_HDR,
+                                  PROP_MULTI_QUEUE, );
+
+typedef struct {
+    char * mode;
+    gint64 owner;
+    gint64 group;
+    bool   no_pi;
+    bool   vnet_hdr;
+    bool   multi_queue;
+} NMDeviceTunPrivate;
+
+struct _NMDeviceTun {
+    NMDevice           parent;
+    NMDeviceTunPrivate _priv;
+};
+
+struct _NMDeviceTunClass {
+    NMDeviceClass parent;
+};
+
+G_DEFINE_TYPE(NMDeviceTun, nm_device_tun, NM_TYPE_DEVICE)
+
+#define NM_DEVICE_TUN_GET_PRIVATE(self) \
+    _NM_GET_PRIVATE(self, NMDeviceTun, NM_IS_DEVICE_TUN, NMObject, NMDevice)
+
+/*****************************************************************************/
+
+/**
+ * nm_device_tun_get_hw_address: (skip)
+ * @device: a #NMDeviceTun
+ *
+ * Gets the hardware (MAC) address of the #NMDeviceTun
+ *
+ * Returns: the hardware address. This is the internal string used by the
+ * device, and must not be modified.
+ *
+ * Since: 1.2
+ *
+ * Deprecated: 1.24: Use nm_device_get_hw_address() instead.
+ **/
+const char *
+nm_device_tun_get_hw_address(NMDeviceTun *device)
+{
+    g_return_val_if_fail(NM_IS_DEVICE_TUN(device), NULL);
+
+    return nm_device_get_hw_address(NM_DEVICE(device));
+}
+
+/**
+ * nm_device_tun_get_mode:
+ * @device: a #NMDeviceTun
+ *
+ * Returns the TUN/TAP mode for the device.
+ *
+ * Returns: 'tun' or 'tap'
+ *
+ * Since: 1.2
+ **/
+const char *
+nm_device_tun_get_mode(NMDeviceTun *device)
+{
+    g_return_val_if_fail(NM_IS_DEVICE_TUN(device), NULL);
+
+    return _nml_coerce_property_str_not_empty(NM_DEVICE_TUN_GET_PRIVATE(device)->mode);
+}
+
+/**
+ * nm_device_tun_get_owner:
+ * @device: a #NMDeviceTun
+ *
+ * Gets the tunnel owner.
+ *
+ * Returns: the uid of the tunnel owner, or -1 if it has no owner.
+ *
+ * Since: 1.2
+ **/
+gint64
+nm_device_tun_get_owner(NMDeviceTun *device)
+{
+    g_return_val_if_fail(NM_IS_DEVICE_TUN(device), -1);
+
+    return NM_DEVICE_TUN_GET_PRIVATE(device)->owner;
+}
+
+/**
+ * nm_device_tun_get_group:
+ * @device: a #NMDeviceTun
+ *
+ * Gets the tunnel group.
+ *
+ * Returns: the gid of the tunnel group, or -1 if it has no owner.
+ *
+ * Since: 1.2
+ **/
+gint64
+nm_device_tun_get_group(NMDeviceTun *device)
+{
+    g_return_val_if_fail(NM_IS_DEVICE_TUN(device), -1);
+
+    return NM_DEVICE_TUN_GET_PRIVATE(device)->group;
+}
+
+/**
+ * nm_device_tun_get_pi:
+ * @device: a #NMDeviceTun
+ *
+ * Returns whether the #NMDeviceTun has the IFF_NO_PI flag.
+ *
+ * Returns: %TRUE if the device has the flag, %FALSE otherwise
+ *
+ * Since: 1.2
+ **/
+gboolean
+nm_device_tun_get_no_pi(NMDeviceTun *device)
+{
+    g_return_val_if_fail(NM_IS_DEVICE_TUN(device), FALSE);
+
+    return NM_DEVICE_TUN_GET_PRIVATE(device)->no_pi;
+}
+
+/**
+ * nm_device_tun_get_vnet_hdr:
+ * @device: a #NMDeviceTun
+ *
+ * Returns whether the #NMDeviceTun has the IFF_VNET_HDR flag.
+ *
+ * Returns: %TRUE if the device has the flag, %FALSE otherwise
+ *
+ * Since: 1.2
+ **/
+gboolean
+nm_device_tun_get_vnet_hdr(NMDeviceTun *device)
+{
+    g_return_val_if_fail(NM_IS_DEVICE_TUN(device), FALSE);
+
+    return NM_DEVICE_TUN_GET_PRIVATE(device)->vnet_hdr;
+}
+
+/**
+ * nm_device_tun_get_multi_queue:
+ * @device: a #NMDeviceTun
+ *
+ * Returns whether the #NMDeviceTun has the IFF_MULTI_QUEUE flag.
+ *
+ * Returns: %TRUE if the device doesn't have the flag, %FALSE otherwise
+ *
+ * Since: 1.2
+ **/
+gboolean
+nm_device_tun_get_multi_queue(NMDeviceTun *device)
+{
+    g_return_val_if_fail(NM_IS_DEVICE_TUN(device), FALSE);
+
+    return NM_DEVICE_TUN_GET_PRIVATE(device)->multi_queue;
+}
+
+static int
+tun_mode_from_string(const char *string)
+{
+    if (!g_strcmp0(string, "tap"))
+        return NM_SETTING_TUN_MODE_TAP;
+    else
+        return NM_SETTING_TUN_MODE_TUN;
+}
+
+static gboolean
+connection_compatible(NMDevice *device, NMConnection *connection, GError **error)
+{
+    NMDeviceTunPrivate *priv = NM_DEVICE_TUN_GET_PRIVATE(device);
+    NMSettingTunMode    mode;
+    NMSettingTun *      s_tun;
+
+    if (!NM_DEVICE_CLASS(nm_device_tun_parent_class)
+             ->connection_compatible(device, connection, error))
+        return FALSE;
+
+    if (!nm_connection_is_type(connection, NM_SETTING_TUN_SETTING_NAME)) {
+        g_set_error_literal(error,
+                            NM_DEVICE_ERROR,
+                            NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
+                            _("The connection was not a tun connection."));
+        return FALSE;
+    }
+
+    s_tun = nm_connection_get_setting_tun(connection);
+
+    mode = tun_mode_from_string(priv->mode);
+    if (s_tun && mode != nm_setting_tun_get_mode(s_tun)) {
+        g_set_error_literal(error,
+                            NM_DEVICE_ERROR,
+                            NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
+                            _("The mode of the device and the connection didn't match"));
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+static GType
+get_setting_type(NMDevice *device)
+{
+    return NM_TYPE_SETTING_TUN;
+}
+
+/*****************************************************************************/
+
+static void
+nm_device_tun_init(NMDeviceTun *device)
+{}
+
+static void
+finalize(GObject *object)
+{
+    NMDeviceTunPrivate *priv = NM_DEVICE_TUN_GET_PRIVATE(object);
+
+    g_free(priv->mode);
+
+    G_OBJECT_CLASS(nm_device_tun_parent_class)->finalize(object);
+}
+
+static void
+get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+    NMDeviceTun *device = NM_DEVICE_TUN(object);
+
+    switch (prop_id) {
+    case PROP_MODE:
+        g_value_set_string(value, nm_device_tun_get_mode(device));
+        break;
+    case PROP_OWNER:
+        g_value_set_int64(value, nm_device_tun_get_owner(device));
+        break;
+    case PROP_GROUP:
+        g_value_set_int64(value, nm_device_tun_get_group(device));
+        break;
+    case PROP_NO_PI:
+        g_value_set_boolean(value, nm_device_tun_get_no_pi(device));
+        break;
+    case PROP_VNET_HDR:
+        g_value_set_boolean(value, nm_device_tun_get_vnet_hdr(device));
+        break;
+    case PROP_MULTI_QUEUE:
+        g_value_set_boolean(value, nm_device_tun_get_multi_queue(device));
+        break;
+
+    default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
+        break;
+    }
+}
+
+const NMLDBusMetaIface _nml_dbus_meta_iface_nm_device_tun = NML_DBUS_META_IFACE_INIT_PROP(
+    NM_DBUS_INTERFACE_DEVICE_TUN,
+    nm_device_tun_get_type,
+    NML_DBUS_META_INTERFACE_PRIO_INSTANTIATE_30,
+    NML_DBUS_META_IFACE_DBUS_PROPERTIES(
+        NML_DBUS_META_PROPERTY_INIT_X("Group", PROP_GROUP, NMDeviceTun, _priv.group),
+        NML_DBUS_META_PROPERTY_INIT_FCN("HwAddress",
+                                        0,
+                                        "s",
+                                        _nm_device_notify_update_prop_hw_address),
+        NML_DBUS_META_PROPERTY_INIT_S("Mode", PROP_MODE, NMDeviceTun, _priv.mode),
+        NML_DBUS_META_PROPERTY_INIT_B("MultiQueue",
+                                      PROP_MULTI_QUEUE,
+                                      NMDeviceTun,
+                                      _priv.multi_queue),
+        NML_DBUS_META_PROPERTY_INIT_B("NoPi", PROP_NO_PI, NMDeviceTun, _priv.no_pi),
+        NML_DBUS_META_PROPERTY_INIT_X("Owner", PROP_OWNER, NMDeviceTun, _priv.owner),
+        NML_DBUS_META_PROPERTY_INIT_B("VnetHdr", PROP_VNET_HDR, NMDeviceTun, _priv.vnet_hdr), ), );
+
+static void
+nm_device_tun_class_init(NMDeviceTunClass *gre_class)
+{
+    GObjectClass * object_class = G_OBJECT_CLASS(gre_class);
+    NMDeviceClass *device_class = NM_DEVICE_CLASS(gre_class);
+
+    object_class->get_property = get_property;
+    object_class->finalize     = finalize;
+
+    device_class->connection_compatible = connection_compatible;
+    device_class->get_setting_type      = get_setting_type;
+
+    /**
+     * NMDeviceTun:mode:
+     *
+     * The tunnel mode, either "tun" or "tap".
+     *
+     * Since: 1.2
+     **/
+    obj_properties[PROP_MODE] = g_param_spec_string(NM_DEVICE_TUN_MODE,
+                                                    "",
+                                                    "",
+                                                    NULL,
+                                                    G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+    /**
+     * NMDeviceTun:owner:
+     *
+     * The uid of the tunnel owner, or -1 if it has no owner.
+     *
+     * Since: 1.2
+     **/
+    obj_properties[PROP_OWNER] = g_param_spec_int64(NM_DEVICE_TUN_OWNER,
+                                                    "",
+                                                    "",
+                                                    -1,
+                                                    G_MAXUINT32,
+                                                    -1,
+                                                    G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+    /**
+     * NMDeviceTun:group:
+     *
+     * The gid of the tunnel group, or -1 if it has no owner.
+     *
+     * Since: 1.2
+     **/
+    obj_properties[PROP_GROUP] = g_param_spec_int64(NM_DEVICE_TUN_GROUP,
+                                                    "",
+                                                    "",
+                                                    -1,
+                                                    G_MAXUINT32,
+                                                    -1,
+                                                    G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+    /**
+     * NMDeviceTun:no-pi:
+     *
+     * The tunnel's "TUN_NO_PI" flag; true if no protocol info is
+     * prepended to the tunnel packets.
+     *
+     * Since: 1.2
+     **/
+    obj_properties[PROP_NO_PI] = g_param_spec_boolean(NM_DEVICE_TUN_NO_PI,
+                                                      "",
+                                                      "",
+                                                      FALSE,
+                                                      G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+    /**
+     * NMDeviceTun:vnet-hdr:
+     *
+     * The tunnel's "TUN_VNET_HDR" flag; true if the tunnel packets
+     * include a virtio network header.
+     *
+     * Since: 1.2
+     **/
+    obj_properties[PROP_VNET_HDR] = g_param_spec_boolean(NM_DEVICE_TUN_VNET_HDR,
+                                                         "",
+                                                         "",
+                                                         FALSE,
+                                                         G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+    /**
+     * NMDeviceTun:multi-queue:
+     *
+     * The tunnel's "TUN_TAP_MQ" flag; true if callers can connect to
+     * the tap device multiple times, for multiple send/receive
+     * queues.
+     *
+     * Since: 1.2
+     **/
+    obj_properties[PROP_MULTI_QUEUE] =
+        g_param_spec_boolean(NM_DEVICE_TUN_MULTI_QUEUE,
+                             "",
+                             "",
+                             FALSE,
+                             G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+    _nml_dbus_meta_class_init_with_properties(object_class, &_nml_dbus_meta_iface_nm_device_tun);
+}