about summary refs log tree commit diff
path: root/libnm/nm-device-tun.c
diff options
context:
space:
mode:
authorMichael Biebl <biebl@debian.org>2020-10-05 22:27:18 +0200
committerMichael Biebl <biebl@debian.org>2020-10-05 22:27:18 +0200
commitaafc1dbe4712c86189bbc1d4d54ad8cb4c69be7e (patch)
treea2a9bb4d007339a0b1304540388230ccedac32bd /libnm/nm-device-tun.c
parente7b44ef4c80907346ec7492a09c45277459924fc (diff)
New upstream version 1.27.90 upstream/1.27.90
Diffstat (limited to 'libnm/nm-device-tun.c')
-rw-r--r--libnm/nm-device-tun.c441
1 files changed, 225 insertions, 216 deletions
diff --git a/libnm/nm-device-tun.c b/libnm/nm-device-tun.c
index e7ea07fa..35f939ef 100644
--- a/libnm/nm-device-tun.c
+++ b/libnm/nm-device-tun.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: LGPL-2.1+
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /*
  * Copyright (C) 2015 Red Hat, Inc.
  */
@@ -16,36 +16,35 @@
 
 /*****************************************************************************/
 
-NM_GOBJECT_PROPERTIES_DEFINE_BASE (
-	PROP_MODE,
-	PROP_OWNER,
-	PROP_GROUP,
-	PROP_NO_PI,
-	PROP_VNET_HDR,
-	PROP_MULTI_QUEUE,
-);
+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;
+    char * mode;
+    gint64 owner;
+    gint64 group;
+    bool   no_pi;
+    bool   vnet_hdr;
+    bool   multi_queue;
 } NMDeviceTunPrivate;
 
 struct _NMDeviceTun {
-	NMDevice parent;
-	NMDeviceTunPrivate _priv;
+    NMDevice           parent;
+    NMDeviceTunPrivate _priv;
 };
 
 struct _NMDeviceTunClass {
-	NMDeviceClass parent;
+    NMDeviceClass parent;
 };
 
-G_DEFINE_TYPE (NMDeviceTun, nm_device_tun, NM_TYPE_DEVICE)
+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)
+#define NM_DEVICE_TUN_GET_PRIVATE(self) \
+    _NM_GET_PRIVATE(self, NMDeviceTun, NM_IS_DEVICE_TUN, NMObject, NMDevice)
 
 /*****************************************************************************/
 
@@ -63,11 +62,11 @@ G_DEFINE_TYPE (NMDeviceTun, nm_device_tun, NM_TYPE_DEVICE)
  * Deprecated: 1.24: Use nm_device_get_hw_address() instead.
  **/
 const char *
-nm_device_tun_get_hw_address (NMDeviceTun *device)
+nm_device_tun_get_hw_address(NMDeviceTun *device)
 {
-	g_return_val_if_fail (NM_IS_DEVICE_TUN (device), NULL);
+    g_return_val_if_fail(NM_IS_DEVICE_TUN(device), NULL);
 
-	return nm_device_get_hw_address (NM_DEVICE (device));
+    return nm_device_get_hw_address(NM_DEVICE(device));
 }
 
 /**
@@ -81,11 +80,11 @@ nm_device_tun_get_hw_address (NMDeviceTun *device)
  * Since: 1.2
  **/
 const char *
-nm_device_tun_get_mode (NMDeviceTun *device)
+nm_device_tun_get_mode(NMDeviceTun *device)
 {
-	g_return_val_if_fail (NM_IS_DEVICE_TUN (device), NULL);
+    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);
+    return _nml_coerce_property_str_not_empty(NM_DEVICE_TUN_GET_PRIVATE(device)->mode);
 }
 
 /**
@@ -99,11 +98,11 @@ nm_device_tun_get_mode (NMDeviceTun *device)
  * Since: 1.2
  **/
 gint64
-nm_device_tun_get_owner (NMDeviceTun *device)
+nm_device_tun_get_owner(NMDeviceTun *device)
 {
-	g_return_val_if_fail (NM_IS_DEVICE_TUN (device), -1);
+    g_return_val_if_fail(NM_IS_DEVICE_TUN(device), -1);
 
-	return NM_DEVICE_TUN_GET_PRIVATE (device)->owner;
+    return NM_DEVICE_TUN_GET_PRIVATE(device)->owner;
 }
 
 /**
@@ -117,11 +116,11 @@ nm_device_tun_get_owner (NMDeviceTun *device)
  * Since: 1.2
  **/
 gint64
-nm_device_tun_get_group (NMDeviceTun *device)
+nm_device_tun_get_group(NMDeviceTun *device)
 {
-	g_return_val_if_fail (NM_IS_DEVICE_TUN (device), -1);
+    g_return_val_if_fail(NM_IS_DEVICE_TUN(device), -1);
 
-	return NM_DEVICE_TUN_GET_PRIVATE (device)->group;
+    return NM_DEVICE_TUN_GET_PRIVATE(device)->group;
 }
 
 /**
@@ -135,11 +134,11 @@ nm_device_tun_get_group (NMDeviceTun *device)
  * Since: 1.2
  **/
 gboolean
-nm_device_tun_get_no_pi (NMDeviceTun *device)
+nm_device_tun_get_no_pi(NMDeviceTun *device)
 {
-	g_return_val_if_fail (NM_IS_DEVICE_TUN (device), FALSE);
+    g_return_val_if_fail(NM_IS_DEVICE_TUN(device), FALSE);
 
-	return NM_DEVICE_TUN_GET_PRIVATE (device)->no_pi;
+    return NM_DEVICE_TUN_GET_PRIVATE(device)->no_pi;
 }
 
 /**
@@ -153,11 +152,11 @@ nm_device_tun_get_no_pi (NMDeviceTun *device)
  * Since: 1.2
  **/
 gboolean
-nm_device_tun_get_vnet_hdr (NMDeviceTun *device)
+nm_device_tun_get_vnet_hdr(NMDeviceTun *device)
 {
-	g_return_val_if_fail (NM_IS_DEVICE_TUN (device), FALSE);
+    g_return_val_if_fail(NM_IS_DEVICE_TUN(device), FALSE);
 
-	return NM_DEVICE_TUN_GET_PRIVATE (device)->vnet_hdr;
+    return NM_DEVICE_TUN_GET_PRIVATE(device)->vnet_hdr;
 }
 
 /**
@@ -171,215 +170,225 @@ nm_device_tun_get_vnet_hdr (NMDeviceTun *device)
  * Since: 1.2
  **/
 gboolean
-nm_device_tun_get_multi_queue (NMDeviceTun *device)
+nm_device_tun_get_multi_queue(NMDeviceTun *device)
 {
-	g_return_val_if_fail (NM_IS_DEVICE_TUN (device), FALSE);
+    g_return_val_if_fail(NM_IS_DEVICE_TUN(device), FALSE);
 
-	return NM_DEVICE_TUN_GET_PRIVATE (device)->multi_queue;
+    return NM_DEVICE_TUN_GET_PRIVATE(device)->multi_queue;
 }
 
 static int
-tun_mode_from_string (const char *string)
+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;
+    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)
+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;
+    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)
+get_setting_type(NMDevice *device)
 {
-	return NM_TYPE_SETTING_TUN;
+    return NM_TYPE_SETTING_TUN;
 }
 
 /*****************************************************************************/
 
 static void
-nm_device_tun_init (NMDeviceTun *device)
-{
-}
+nm_device_tun_init(NMDeviceTun *device)
+{}
 
 static void
-finalize (GObject *object)
+finalize(GObject *object)
 {
-	NMDeviceTunPrivate *priv = NM_DEVICE_TUN_GET_PRIVATE (object);
+    NMDeviceTunPrivate *priv = NM_DEVICE_TUN_GET_PRIVATE(object);
 
-	g_free (priv->mode);
+    g_free(priv->mode);
 
-	G_OBJECT_CLASS (nm_device_tun_parent_class)->finalize (object);
+    G_OBJECT_CLASS(nm_device_tun_parent_class)->finalize(object);
 }
 
 static void
-get_property (GObject *object,
-              guint prop_id,
-              GValue *value,
-              GParamSpec *pspec)
+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;
-	}
+    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_HIGH,
-	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                           ),
-	),
-);
+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_HIGH,
+    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)
+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);
+    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);
 }