summary refs log tree commit diff
path: root/src/devices/nm-device-wireguard.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/nm-device-wireguard.c')
-rw-r--r--src/devices/nm-device-wireguard.c212
1 files changed, 212 insertions, 0 deletions
diff --git a/src/devices/nm-device-wireguard.c b/src/devices/nm-device-wireguard.c
new file mode 100644
index 00000000..62ec0274
--- /dev/null
+++ b/src/devices/nm-device-wireguard.c
@@ -0,0 +1,212 @@
+/*
+ * 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-device-private.h"
+#include "platform/nm-platform.h"
+#include "nm-device-factory.h"
+
+#include "nm-device-logging.h"
+_LOG_DECLARE_SELF(NMDeviceWireGuard);
+
+/*****************************************************************************/
+
+NM_GOBJECT_PROPERTIES_DEFINE (NMDeviceWireGuard,
+	PROP_PUBLIC_KEY,
+	PROP_LISTEN_PORT,
+	PROP_FWMARK,
+);
+
+struct _NMDeviceWireGuard {
+	NMDevice parent;
+	NMPlatformLnkWireGuard props;
+};
+
+struct _NMDeviceWireGuardClass {
+	NMDeviceClass parent;
+};
+
+G_DEFINE_TYPE (NMDeviceWireGuard, nm_device_wireguard, NM_TYPE_DEVICE)
+
+/******************************************************************/
+
+static GVariant *
+get_public_key_as_variant (const NMDeviceWireGuard *self)
+{
+	return g_variant_new_fixed_array (G_VARIANT_TYPE_BYTE,
+	                                  self->props.public_key, sizeof (self->props.public_key), 1);
+}
+
+static void
+update_properties (NMDevice *device)
+{
+	NMDeviceWireGuard *self;
+	const NMPlatformLink *plink;
+	const NMPlatformLnkWireGuard *props = NULL;
+	int ifindex;
+
+	g_return_if_fail (NM_IS_DEVICE_WIREGUARD (device));
+	self = NM_DEVICE_WIREGUARD (device);
+
+	ifindex = nm_device_get_ifindex (device);
+	props = nm_platform_link_get_lnk_wireguard (nm_device_get_platform (device), ifindex, &plink);
+	if (!props) {
+		_LOGW (LOGD_PLATFORM, "could not get wireguard properties");
+		return;
+	}
+
+	g_object_freeze_notify (G_OBJECT (device));
+
+#define CHECK_PROPERTY_CHANGED(field, prop) \
+	G_STMT_START { \
+		if (self->props.field != props->field) { \
+			self->props.field = props->field; \
+			_notify (self, prop); \
+		} \
+	} G_STMT_END
+
+#define CHECK_PROPERTY_CHANGED_ARRAY(field, prop) \
+	G_STMT_START { \
+		if (memcmp (&self->props.field, &props->field, sizeof (props->field)) != 0) { \
+			memcpy (&self->props.field, &props->field, sizeof (props->field)); \
+			_notify (self, prop); \
+		} \
+	} G_STMT_END
+
+	CHECK_PROPERTY_CHANGED_ARRAY (public_key, PROP_PUBLIC_KEY);
+	CHECK_PROPERTY_CHANGED (listen_port, PROP_LISTEN_PORT);
+	CHECK_PROPERTY_CHANGED (fwmark, PROP_FWMARK);
+
+	g_object_thaw_notify (G_OBJECT (device));
+}
+
+static void
+link_changed (NMDevice *device,
+              const NMPlatformLink *pllink)
+{
+	NM_DEVICE_CLASS (nm_device_wireguard_parent_class)->link_changed (device, pllink);
+	update_properties (device);
+}
+
+
+/******************************************************************/
+
+static void
+get_property (GObject *object, guint prop_id,
+              GValue *value, GParamSpec *pspec)
+{
+	NMDeviceWireGuard *self = NM_DEVICE_WIREGUARD (object);
+
+	switch (prop_id) {
+	case PROP_PUBLIC_KEY:
+		g_value_take_variant (value, get_public_key_as_variant (self));
+		break;
+	case PROP_LISTEN_PORT:
+		g_value_set_uint (value, self->props.listen_port);
+		break;
+	case PROP_FWMARK:
+		g_value_set_uint (value, self->props.fwmark);
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
+}
+
+static void
+nm_device_wireguard_init (NMDeviceWireGuard *self)
+{
+}
+
+static const NMDBusInterfaceInfoExtended interface_info_device_wireguard = {
+	.parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT (
+		NM_DBUS_INTERFACE_DEVICE_WIREGUARD,
+		.properties = NM_DEFINE_GDBUS_PROPERTY_INFOS (
+			NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE ("PublicKey",  "ay", NM_DEVICE_WIREGUARD_PUBLIC_KEY),
+			NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE ("ListenPort", "q", NM_DEVICE_WIREGUARD_LISTEN_PORT),
+			NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE ("FwMark",     "u", NM_DEVICE_WIREGUARD_FWMARK),
+		),
+	),
+};
+
+static void
+nm_device_wireguard_class_init (NMDeviceWireGuardClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+	NMDBusObjectClass *dbus_object_class = NM_DBUS_OBJECT_CLASS (klass);
+	NMDeviceClass *device_class = NM_DEVICE_CLASS (klass);
+
+	object_class->get_property = get_property;
+
+	dbus_object_class->interface_infos = NM_DBUS_INTERFACE_INFOS (&interface_info_device_wireguard);
+
+	device_class->connection_type_supported = NULL;
+	device_class->link_types = NM_DEVICE_DEFINE_LINK_TYPES (NM_LINK_TYPE_WIREGUARD);
+
+	device_class->link_changed = link_changed;
+
+	obj_properties[PROP_PUBLIC_KEY] =
+	    g_param_spec_variant (NM_DEVICE_WIREGUARD_PUBLIC_KEY,
+	                          "", "",
+	                          G_VARIANT_TYPE ("ay"),
+	                          NULL,
+	                          G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+	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);
+
+	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);
+}
+
+/*************************************************************/
+
+#define NM_TYPE_WIREGUARD_DEVICE_FACTORY (nm_wireguard_device_factory_get_type ())
+#define NM_WIREGUARD_DEVICE_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), NM_TYPE_WIREGUARD_DEVICE_FACTORY, NMWireGuardDeviceFactory))
+
+static NMDevice *
+create_device (NMDeviceFactory *factory,
+               const char *iface,
+               const NMPlatformLink *plink,
+               NMConnection *connection,
+               gboolean *out_ignore)
+{
+	return (NMDevice *) g_object_new (NM_TYPE_DEVICE_WIREGUARD,
+	                                  NM_DEVICE_IFACE, iface,
+	                                  NM_DEVICE_TYPE_DESC, "WireGuard",
+	                                  NM_DEVICE_DEVICE_TYPE, NM_DEVICE_TYPE_WIREGUARD,
+	                                  NM_DEVICE_LINK_TYPE, NM_LINK_TYPE_WIREGUARD,
+	                                  NULL);
+}
+
+NM_DEVICE_FACTORY_DEFINE_INTERNAL (WIREGUARD, WireGuard, wireguard,
+	NM_DEVICE_FACTORY_DECLARE_LINK_TYPES (NM_LINK_TYPE_WIREGUARD),
+	factory_class->create_device = create_device;
+)