/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2015 Red Hat, Inc.
*/
#include "libnm/nm-default-libnm.h"
#include "nm-device-ip-tunnel.h"
#include "nm-setting-connection.h"
#include "nm-setting-ip-tunnel.h"
#include "nm-utils.h"
#include "nm-object-private.h"
#include "nm-core-internal.h"
/*****************************************************************************/
NM_GOBJECT_PROPERTIES_DEFINE_BASE(PROP_MODE,
PROP_PARENT,
PROP_LOCAL,
PROP_REMOTE,
PROP_TTL,
PROP_TOS,
PROP_PATH_MTU_DISCOVERY,
PROP_INPUT_KEY,
PROP_OUTPUT_KEY,
PROP_ENCAPSULATION_LIMIT,
PROP_FLOW_LABEL,
PROP_FLAGS, );
typedef struct {
NMLDBusPropertyO parent;
char * local;
char * remote;
char * input_key;
char * output_key;
guint32 mode;
guint32 flow_label;
guint32 flags;
guint8 ttl;
guint8 tos;
guint8 encapsulation_limit;
bool path_mtu_discovery;
} NMDeviceIPTunnelPrivate;
struct _NMDeviceIPTunnel {
NMDevice parent;
NMDeviceIPTunnelPrivate _priv;
};
struct _NMDeviceIPTunnelClass {
NMDeviceClass parent;
};
G_DEFINE_TYPE(NMDeviceIPTunnel, nm_device_ip_tunnel, NM_TYPE_DEVICE)
#define NM_DEVICE_IP_TUNNEL_GET_PRIVATE(self) \
_NM_GET_PRIVATE(self, NMDeviceIPTunnel, NM_IS_DEVICE_IP_TUNNEL, NMObject, NMDevice)
/*****************************************************************************/
/**
* nm_device_ip_tunnel_get_mode:
* @device: a #NMDeviceIPTunnel
*
* Returns: the tunneling mode
*
* Since: 1.2
**/
NMIPTunnelMode
nm_device_ip_tunnel_get_mode(NMDeviceIPTunnel *device)
{
g_return_val_if_fail(NM_IS_DEVICE_IP_TUNNEL(device), 0);
return NM_DEVICE_IP_TUNNEL_GET_PRIVATE(device)->mode;
}
/**
* nm_device_ip_tunnel_get_parent:
* @device: a #NMDeviceIPTunnel
*
* Returns: (transfer none): the device's parent device
*
* Since: 1.2
**/
NMDevice *
nm_device_ip_tunnel_get_parent(NMDeviceIPTunnel *device)
{
g_return_val_if_fail(NM_IS_DEVICE_IP_TUNNEL(device), NULL);
return nml_dbus_property_o_get_obj(&NM_DEVICE_IP_TUNNEL_GET_PRIVATE(device)->parent);
}
/**
* nm_device_ip_tunnel_get_local:
* @device: a #NMDeviceIPTunnel
*
* Returns: the local endpoint of the tunnel
*
* Since: 1.2
**/
const char *
nm_device_ip_tunnel_get_local(NMDeviceIPTunnel *device)
{
g_return_val_if_fail(NM_IS_DEVICE_IP_TUNNEL(device), NULL);
return _nml_coerce_property_str_not_empty(NM_DEVICE_IP_TUNNEL_GET_PRIVATE(device)->local);
}
/**
* nm_device_ip_tunnel_get_remote:
* @device: a #NMDeviceIPTunnel
*
* Returns: the remote endpoint of the tunnel
*
* Since: 1.2
**/
const char *
nm_device_ip_tunnel_get_remote(NMDeviceIPTunnel *device)
{
g_return_val_if_fail(NM_IS_DEVICE_IP_TUNNEL(device), NULL);
return _nml_coerce_property_str_not_empty(NM_DEVICE_IP_TUNNEL_GET_PRIVATE(device)->remote);
}
/**
* nm_device_ip_tunnel_get_ttl:
* @device: a #NMDeviceIPTunnel
*
* Returns: the TTL assigned to tunneled packets
*
* Since: 1.2
**/
guint8
nm_device_ip_tunnel_get_ttl(NMDeviceIPTunnel *device)
{
g_return_val_if_fail(NM_IS_DEVICE_IP_TUNNEL(device), 0);
return NM_DEVICE_IP_TUNNEL_GET_PRIVATE(device)->ttl;
}
/**
* nm_device_ip_tunnel_get_tos:
* @device: a #NMDeviceIPTunnel
*
* Returns: type of service (IPv4) or traffic class (IPv6) assigned
* to tunneled packets.
*
* Since: 1.2
**/
guint8
nm_device_ip_tunnel_get_tos(NMDeviceIPTunnel *device)
{
g_return_val_if_fail(NM_IS_DEVICE_IP_TUNNEL(device), 0);
return NM_DEVICE_IP_TUNNEL_GET_PRIVATE(device)->tos;
}
/**
* nm_device_ip_tunnel_get_path_mtu_discovery:
* @device: a #NMDeviceIPTunnel
*
* Returns: whether path MTU discovery is enabled
*
* Since: 1.2
**/
gboolean
nm_device_ip_tunnel_get_path_mtu_discovery(NMDeviceIPTunnel *device)
{
g_return_val_if_fail(NM_IS_DEVICE_IP_TUNNEL(device), TRUE);
return NM_DEVICE_IP_TUNNEL_GET_PRIVATE(device)->path_mtu_discovery;
}
/**
* nm_device_ip_tunnel_get_input_key:
* @device: a #NMDeviceIPTunnel
*
* Returns: the key used for incoming packets
*
* Since: 1.2
**/
const char *
nm_device_ip_tunnel_get_input_key(NMDeviceIPTunnel *device)
{
g_return_val_if_fail(NM_IS_DEVICE_IP_TUNNEL(device), NULL);
return _nml_coerce_property_str_not_empty(NM_DEVICE_IP_TUNNEL_GET_PRIVATE(device)->input_key);
}
/**
* nm_device_ip_tunnel_get_output_key:
* @device: a #NMDeviceIPTunnel
*
* Returns: the key used for outgoing packets
*
* Since: 1.2
**/
const char *
nm_device_ip_tunnel_get_output_key(NMDeviceIPTunnel *device)
{
g_return_val_if_fail(NM_IS_DEVICE_IP_TUNNEL(device), NULL);
return _nml_coerce_property_str_not_empty(NM_DEVICE_IP_TUNNEL_GET_PRIVATE(device)->output_key);
}
/**
* nm_device_ip_tunnel_get_encapsulation_limit:
* @device: a #NMDeviceIPTunnel
*
* Returns: the maximum permitted encapsulation level
*
* Since: 1.2
**/
guint8
nm_device_ip_tunnel_get_encapsulation_limit(NMDeviceIPTunnel *device)
{
g_return_val_if_fail(NM_IS_DEVICE_IP_TUNNEL(device), 0);
return NM_DEVICE_IP_TUNNEL_GET_PRIVATE(device)->encapsulation_limit;
}
/**
* nm_device_ip_tunnel_get_flow_label:
* @device: a #NMDeviceIPTunnel
*
* Returns: the flow label assigned to tunnel packets
*
* Since: 1.2
**/
guint
nm_device_ip_tunnel_get_flow_label(NMDeviceIPTunnel *device)
{
g_return_val_if_fail(NM_IS_DEVICE_IP_TUNNEL(device), 0);
return NM_DEVICE_IP_TUNNEL_GET_PRIVATE(device)->flow_label;
}
/**
* nm_device_ip_tunnel_get_flags:
* @device: a #NMDeviceIPTunnel
*
* Returns: the tunnel flags
*
* Since: 1.12
**/
NMIPTunnelFlags
nm_device_ip_tunnel_get_flags(NMDeviceIPTunnel *device)
{
g_return_val_if_fail(NM_IS_DEVICE_IP_TUNNEL(device), NM_IP_TUNNEL_FLAG_NONE);
return NM_DEVICE_IP_TUNNEL_GET_PRIVATE(device)->flags;
}
static gboolean
connection_compatible(NMDevice *device, NMConnection *connection, GError **error)
{
if (!NM_DEVICE_CLASS(nm_device_ip_tunnel_parent_class)
->connection_compatible(device, connection, error))
return FALSE;
if (!nm_connection_is_type(connection, NM_SETTING_IP_TUNNEL_SETTING_NAME)) {
g_set_error_literal(error,
NM_DEVICE_ERROR,
NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
_("The connection was not an IP tunnel connection."));
return FALSE;
}
return TRUE;
}
static GType
get_setting_type(NMDevice *device)
{
return NM_TYPE_SETTING_IP_TUNNEL;
}
/*****************************************************************************/
static void
nm_device_ip_tunnel_init(NMDeviceIPTunnel *device)
{}
static void
finalize(GObject *object)
{
NMDeviceIPTunnelPrivate *priv = NM_DEVICE_IP_TUNNEL_GET_PRIVATE(object);
g_free(priv->local);
g_free(priv->remote);
g_free(priv->input_key);
g_free(priv->output_key);
G_OBJECT_CLASS(nm_device_ip_tunnel_parent_class)->finalize(object);
}
static void
get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
NMDeviceIPTunnel *device = NM_DEVICE_IP_TUNNEL(object);
switch (prop_id) {
case PROP_PARENT:
g_value_set_object(value, nm_device_ip_tunnel_get_parent(device));
break;
case PROP_MODE:
g_value_set_uint(value, nm_device_ip_tunnel_get_mode(device));
break;
case PROP_LOCAL:
g_value_set_string(value, nm_device_ip_tunnel_get_local(device));
break;
case PROP_REMOTE:
g_value_set_string(value, nm_device_ip_tunnel_get_remote(device));
break;
case PROP_TTL:
g_value_set_uint(value, nm_device_ip_tunnel_get_ttl(device));
break;
case PROP_TOS:
g_value_set_uint(value, nm_device_ip_tunnel_get_tos(device));
break;
case PROP_PATH_MTU_DISCOVERY:
g_value_set_boolean(value, nm_device_ip_tunnel_get_path_mtu_discovery(device));
break;
case PROP_INPUT_KEY:
g_value_set_string(value, nm_device_ip_tunnel_get_input_key(device));
break;
case PROP_OUTPUT_KEY:
g_value_set_string(value, nm_device_ip_tunnel_get_output_key(device));
break;
case PROP_ENCAPSULATION_LIMIT:
g_value_set_uint(value, nm_device_ip_tunnel_get_encapsulation_limit(device));
break;
case PROP_FLOW_LABEL:
g_value_set_uint(value, nm_device_ip_tunnel_get_flow_label(device));
break;
case PROP_FLAGS:
g_value_set_uint(value, nm_device_ip_tunnel_get_flags(device));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
const NMLDBusMetaIface _nml_dbus_meta_iface_nm_device_iptunnel = NML_DBUS_META_IFACE_INIT_PROP(
NM_DBUS_INTERFACE_DEVICE_IP_TUNNEL,
nm_device_ip_tunnel_get_type,
NML_DBUS_META_INTERFACE_PRIO_INSTANTIATE_30,
NML_DBUS_META_IFACE_DBUS_PROPERTIES(
NML_DBUS_META_PROPERTY_INIT_Y("EncapsulationLimit",
PROP_ENCAPSULATION_LIMIT,
NMDeviceIPTunnel,
_priv.encapsulation_limit),
NML_DBUS_META_PROPERTY_INIT_U("Flags", PROP_FLAGS, NMDeviceIPTunnel, _priv.flags),
NML_DBUS_META_PROPERTY_INIT_U("FlowLabel",
PROP_FLOW_LABEL,
NMDeviceIPTunnel,
_priv.flow_label),
NML_DBUS_META_PROPERTY_INIT_S("InputKey",
PROP_INPUT_KEY,
NMDeviceIPTunnel,
_priv.input_key),
NML_DBUS_META_PROPERTY_INIT_S("Local", PROP_LOCAL, NMDeviceIPTunnel, _priv.local),
NML_DBUS_META_PROPERTY_INIT_U("Mode", PROP_MODE, NMDeviceIPTunnel, _priv.mode),
NML_DBUS_META_PROPERTY_INIT_S("OutputKey",
PROP_OUTPUT_KEY,
NMDeviceIPTunnel,
_priv.output_key),
NML_DBUS_META_PROPERTY_INIT_O_PROP("Parent",
PROP_PARENT,
NMDeviceIPTunnel,
_priv.parent,
nm_device_get_type),
NML_DBUS_META_PROPERTY_INIT_B("PathMtuDiscovery",
PROP_PATH_MTU_DISCOVERY,
NMDeviceIPTunnel,
_priv.path_mtu_discovery),
NML_DBUS_META_PROPERTY_INIT_S("Remote", PROP_REMOTE, NMDeviceIPTunnel, _priv.remote),
NML_DBUS_META_PROPERTY_INIT_Y("Tos", PROP_TOS, NMDeviceIPTunnel, _priv.tos),
NML_DBUS_META_PROPERTY_INIT_Y("Ttl", PROP_TTL, NMDeviceIPTunnel, _priv.ttl), ), );
static void
nm_device_ip_tunnel_class_init(NMDeviceIPTunnelClass *klass)
{
GObjectClass * object_class = G_OBJECT_CLASS(klass);
NMObjectClass *nm_object_class = NM_OBJECT_CLASS(klass);
NMDeviceClass *device_class = NM_DEVICE_CLASS(klass);
object_class->get_property = get_property;
object_class->finalize = finalize;
_NM_OBJECT_CLASS_INIT_PRIV_PTR_DIRECT(nm_object_class, NMDeviceIPTunnel);
_NM_OBJECT_CLASS_INIT_PROPERTY_O_FIELDS_1(nm_object_class, NMDeviceIPTunnelPrivate, parent);
device_class->connection_compatible = connection_compatible;
device_class->get_setting_type = get_setting_type;
/**
* NMDeviceIPTunnel:mode:
*
* The tunneling mode of the device.
*
* Since: 1.2
**/
obj_properties[PROP_MODE] = g_param_spec_uint(NM_DEVICE_IP_TUNNEL_MODE,
"",
"",
0,
G_MAXUINT,
0,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMDeviceIPTunnel:parent:
*
* The devices's parent device.
*
* Since: 1.2
**/
obj_properties[PROP_PARENT] = g_param_spec_object(NM_DEVICE_IP_TUNNEL_PARENT,
"",
"",
NM_TYPE_DEVICE,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMDeviceIPTunnel:local:
*
* The local endpoint of the tunnel.
*
* Since: 1.2
**/
obj_properties[PROP_LOCAL] = g_param_spec_string(NM_DEVICE_IP_TUNNEL_LOCAL,
"",
"",
NULL,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMDeviceIPTunnel:remote:
*
* The remote endpoint of the tunnel.
*
* Since: 1.2
**/
obj_properties[PROP_REMOTE] = g_param_spec_string(NM_DEVICE_IP_TUNNEL_REMOTE,
"",
"",
NULL,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMDeviceIPTunnel:ttl:
*
* The TTL assigned to tunneled packets. 0 is a special value
* meaning that packets inherit the TTL value
*
* Since: 1.2
**/
obj_properties[PROP_TTL] = g_param_spec_uchar(NM_DEVICE_IP_TUNNEL_TTL,
"",
"",
0,
255,
0,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMDeviceIPTunnel:tos:
*
* The type of service (IPv4) or traffic class (IPv6) assigned to
* tunneled packets.
*
* Since: 1.2
**/
obj_properties[PROP_TOS] = g_param_spec_uchar(NM_DEVICE_IP_TUNNEL_TOS,
"",
"",
0,
255,
0,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMDeviceIPTunnel:path-mtu-discovery:
*
* Whether path MTU discovery is enabled on this tunnel.
*
* Since: 1.2
**/
obj_properties[PROP_PATH_MTU_DISCOVERY] =
g_param_spec_boolean(NM_DEVICE_IP_TUNNEL_PATH_MTU_DISCOVERY,
"",
"",
FALSE,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMDeviceIPTunnel:input-key:
*
* The key used for tunneled input packets, if applicable.
*
* Since: 1.2
**/
obj_properties[PROP_INPUT_KEY] = g_param_spec_string(NM_DEVICE_IP_TUNNEL_INPUT_KEY,
"",
"",
NULL,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMDeviceIPTunnel:output-key:
*
* The key used for tunneled output packets, if applicable.
*
* Since: 1.2
**/
obj_properties[PROP_OUTPUT_KEY] =
g_param_spec_string(NM_DEVICE_IP_TUNNEL_OUTPUT_KEY,
"",
"",
NULL,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMDeviceIPTunnel:encapsulation-limit:
*
* How many additional levels of encapsulation are permitted to
* be prepended to packets. This property applies only to IPv6
* tunnels.
*
* Since: 1.2
**/
obj_properties[PROP_ENCAPSULATION_LIMIT] =
g_param_spec_uchar(NM_DEVICE_IP_TUNNEL_ENCAPSULATION_LIMIT,
"",
"",
0,
255,
0,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMDeviceIPTunnel:flow-label:
*
* The flow label to assign to tunnel packets. This property
* applies only to IPv6 tunnels.
*
* Since: 1.2
**/
obj_properties[PROP_FLOW_LABEL] = g_param_spec_uint(NM_DEVICE_IP_TUNNEL_FLOW_LABEL,
"",
"",
0,
(1 << 20) - 1,
0,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMDeviceIPTunnel:flags:
*
* Tunnel flags.
*
* Since: 1.12
**/
obj_properties[PROP_FLAGS] = g_param_spec_uint(NM_DEVICE_IP_TUNNEL_FLAGS,
"",
"",
0,
G_MAXUINT32,
0,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
_nml_dbus_meta_class_init_with_properties(object_class,
&_nml_dbus_meta_iface_nm_device_iptunnel);
}