diff options
Diffstat (limited to 'libnm/nm-device-wireguard.c')
| -rw-r--r-- | libnm/nm-device-wireguard.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/libnm/nm-device-wireguard.c b/libnm/nm-device-wireguard.c new file mode 100644 index 00000000..8a76ff44 --- /dev/null +++ b/libnm/nm-device-wireguard.c @@ -0,0 +1,220 @@ +/* + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA. + * + * Copyright 2018 Javier Arteaga <jarteaga@jbeta.is> + */ + +#include "nm-default.h" + +#include "nm-device-wireguard.h" +#include "nm-object-private.h" + +typedef struct { + GBytes *public_key; + guint listen_port; + guint fwmark; +} NMDeviceWireGuardPrivate; + +/** + * NMDeviceWireGuard: + */ +struct _NMDeviceWireGuard { + NMDevice parent; +}; + +struct _NMDeviceWireGuardClass { + NMDeviceClass parent; +}; + +G_DEFINE_TYPE (NMDeviceWireGuard, nm_device_wireguard, NM_TYPE_DEVICE) + +#define NM_DEVICE_WIREGUARD_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE_WIREGUARD, NMDeviceWireGuardPrivate)) + +NM_GOBJECT_PROPERTIES_DEFINE_BASE ( + PROP_PUBLIC_KEY, + PROP_LISTEN_PORT, + PROP_FWMARK, +); + +/** + * nm_device_wireguard_get_public_key: + * @device: a #NMDeviceWireGuard + * + * Gets the public key for this interface + * + * Returns: (transfer none): the #GBytes containing the 32-byte public key + * + * Since: 1.14 + **/ +GBytes * +nm_device_wireguard_get_public_key (NMDeviceWireGuard *device) +{ + g_return_val_if_fail (NM_IS_DEVICE_WIREGUARD (device), NULL); + + return NM_DEVICE_WIREGUARD_GET_PRIVATE (device)->public_key; +} + +/** + * nm_device_wireguard_get_listen_port: + * @device: a #NMDeviceWireGuard + * + * Gets the local UDP port this interface listens on + * + * Returns: UDP listen port + * + * Since: 1.14 + **/ +guint16 +nm_device_wireguard_get_listen_port (NMDeviceWireGuard *device) +{ + g_return_val_if_fail (NM_IS_DEVICE_WIREGUARD (device), 0); + + return NM_DEVICE_WIREGUARD_GET_PRIVATE (device)->listen_port; +} + +/** + * nm_device_wireguard_get_fwmark: + * @device: a #NMDeviceWireGuard + * + * Gets the fwmark (firewall mark) for this interface. + * It can be used to set routing policy for outgoing encrypted packets. + * See: ip-rule(8) + * + * Returns: 0 if fwmark not in use, 32-bit fwmark value otherwise + * + * Since: 1.14 + **/ +guint32 +nm_device_wireguard_get_fwmark (NMDeviceWireGuard *device) +{ + g_return_val_if_fail (NM_IS_DEVICE_WIREGUARD (device), 0); + + return NM_DEVICE_WIREGUARD_GET_PRIVATE (device)->fwmark; +} + +/***********************************************************/ + +static void +get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + NMDeviceWireGuard *device = NM_DEVICE_WIREGUARD (object); + + switch (prop_id) { + case PROP_PUBLIC_KEY: + g_value_set_boxed (value, nm_device_wireguard_get_public_key (device)); + break; + case PROP_LISTEN_PORT: + g_value_set_uint (value, nm_device_wireguard_get_listen_port (device)); + break; + case PROP_FWMARK: + g_value_set_uint (value, nm_device_wireguard_get_fwmark (device)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +nm_device_wireguard_init (NMDeviceWireGuard *device) +{ +} + +static void +init_dbus (NMObject *object) +{ + NMDeviceWireGuardPrivate *priv = NM_DEVICE_WIREGUARD_GET_PRIVATE (object); + const NMPropertiesInfo property_info[] = { + { NM_DEVICE_WIREGUARD_PUBLIC_KEY, &priv->public_key }, + { NM_DEVICE_WIREGUARD_LISTEN_PORT, &priv->listen_port }, + { NM_DEVICE_WIREGUARD_FWMARK, &priv->fwmark }, + { NULL } + }; + + NM_OBJECT_CLASS (nm_device_wireguard_parent_class)->init_dbus (object); + + _nm_object_register_properties (object, + NM_DBUS_INTERFACE_DEVICE_WIREGUARD, + property_info); +} + +static void +finalize (GObject *object) +{ + NMDeviceWireGuardPrivate *priv = NM_DEVICE_WIREGUARD_GET_PRIVATE (object); + + g_bytes_unref (priv->public_key); + + G_OBJECT_CLASS (nm_device_wireguard_parent_class)->finalize (object); +} + +static void +nm_device_wireguard_class_init (NMDeviceWireGuardClass *wireguard_class) +{ + GObjectClass *object_class = G_OBJECT_CLASS (wireguard_class); + NMObjectClass *nm_object_class = NM_OBJECT_CLASS (wireguard_class); + + g_type_class_add_private (wireguard_class, sizeof (NMDeviceWireGuardPrivate)); + + object_class->get_property = get_property; + object_class->finalize = finalize; + + nm_object_class->init_dbus = init_dbus; + + /** + * NMDeviceWireGuard:public-key: + * + * 32-byte public key, derived from the current private key. + * + * Since: 1.14 + **/ + obj_properties[PROP_PUBLIC_KEY] = + g_param_spec_boxed (NM_DEVICE_WIREGUARD_PUBLIC_KEY, "", "", + G_TYPE_BYTES, + G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); + + /** + * NMDeviceWireGuard:listen-port: + * + * Local UDP listen port. + * Set to 0 to allow a random port to be chosen (default). + * + * Since: 1.14 + **/ + obj_properties[PROP_LISTEN_PORT] = + g_param_spec_uint (NM_DEVICE_WIREGUARD_LISTEN_PORT, "", "", + 0, G_MAXUINT16, 0, + G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); + + /** + * NMDeviceWireGuard:fwmark: + * + * Optional firewall mark - see ip-rule(8). + * Used when setting routing policy for outgoing encrypted packets. + * Set to 0 to disable the mark (default). + * + * Since: 1.14 + **/ + obj_properties[PROP_FWMARK] = + g_param_spec_uint (NM_DEVICE_WIREGUARD_FWMARK, "", "", + 0, G_MAXUINT32, 0, + G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); + + g_object_class_install_properties (object_class, _PROPERTY_ENUMS_LAST, obj_properties); +} |