New upstream version 1.13.90 upstream/1.13.90

1 files changed, 253 insertions, 0 deletions

diff --git a/src/devices/nm-device-wpan.c b/src/devices/nm-device-wpan.c
new file mode 100644
index 00000000..dd2ebac1
--- /dev/null
+++ b/src/devices/nm-device-wpan.c
@@ -0,0 +1,253 @@
+/* NetworkManager -- Network link manager
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Copyright 2018 Lubomir Rintel <lkundrak@v3.sk>
+ */
+
+#include "nm-default.h"
+
+#include "nm-manager.h"
+#include "nm-device-wpan.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+
+#include "nm-act-request.h"
+#include "nm-device-private.h"
+#include "nm-ip4-config.h"
+#include "platform/nm-platform.h"
+#include "nm-device-factory.h"
+#include "nm-setting-wpan.h"
+#include "nm-core-internal.h"
+
+#include "nm-device-logging.h"
+_LOG_DECLARE_SELF(NMDeviceWpan);
+
+/*****************************************************************************/
+
+struct _NMDeviceWpan {
+	NMDevice parent;
+};
+
+struct _NMDeviceWpanClass {
+	NMDeviceClass parent;
+};
+
+G_DEFINE_TYPE (NMDeviceWpan, nm_device_wpan, NM_TYPE_DEVICE)
+
+/*****************************************************************************/
+
+static gboolean
+complete_connection (NMDevice *device,
+                     NMConnection *connection,
+                     const char *specific_object,
+                     NMConnection *const*existing_connections,
+                     GError **error)
+{
+	NMSettingWpan *s_wpan;
+
+	nm_utils_complete_generic (nm_device_get_platform (device),
+	                           connection,
+	                           NM_SETTING_WPAN_SETTING_NAME,
+	                           existing_connections,
+	                           NULL,
+	                           _("WPAN connection"),
+	                           NULL,
+	                           TRUE);
+
+	s_wpan = nm_connection_get_setting_wpan (connection);
+	if (!s_wpan) {
+		g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_INVALID_CONNECTION,
+		                     "A 'wpan' setting is required.");
+		return FALSE;
+	}
+
+	return TRUE;
+}
+
+static void
+update_connection (NMDevice *device, NMConnection *connection)
+{
+	NMSettingWpan *s_wpan = nm_connection_get_setting_wpan (connection);
+
+	if (!s_wpan) {
+		s_wpan = (NMSettingWpan *) nm_setting_wpan_new ();
+		nm_connection_add_setting (connection, (NMSetting *) s_wpan);
+	}
+}
+
+static gboolean
+check_connection_compatible (NMDevice *device, NMConnection *connection, GError **error)
+{
+	NMSettingWpan *s_wpan;
+	const char *mac, *hw_addr;
+
+	if (!NM_DEVICE_CLASS (nm_device_wpan_parent_class)->check_connection_compatible (device, connection, error))
+		return FALSE;
+
+	s_wpan = nm_connection_get_setting_wpan (connection);
+
+	mac = nm_setting_wpan_get_mac_address (s_wpan);
+	if (mac) {
+		hw_addr = nm_device_get_hw_address (device);
+		if (!nm_utils_hwaddr_matches (mac, -1, hw_addr, -1)) {
+			nm_utils_error_set_literal (error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY,
+			                            "MAC address mismatches");
+			return FALSE;
+		}
+	}
+
+	return TRUE;
+}
+
+static NMActStageReturn
+act_stage1_prepare (NMDevice *device, NMDeviceStateReason *out_failure_reason)
+{
+	NMDeviceWpan *self = NM_DEVICE_WPAN (device);
+	NMConnection *connection;
+	NMSettingWpan *s_wpan;
+	NMPlatform *platform;
+	guint16 pan_id;
+	guint16 short_address;
+	int ifindex;
+	const guint8 *hwaddr;
+	gsize hwaddr_len = 0;
+	const NMPlatformLink *lowpan_plink;
+	NMDevice *lowpan_device = NULL;
+	NMActStageReturn ret = NM_ACT_STAGE_RETURN_FAILURE;
+
+	ret = NM_DEVICE_CLASS (nm_device_wpan_parent_class)->act_stage1_prepare (device, out_failure_reason);
+	if (ret != NM_ACT_STAGE_RETURN_SUCCESS)
+		return ret;
+
+	platform = nm_device_get_platform (device);
+	g_return_val_if_fail (platform, NM_ACT_STAGE_RETURN_FAILURE);
+
+	ifindex = nm_device_get_ifindex (device);
+	g_return_val_if_fail (ifindex > 0, NM_ACT_STAGE_RETURN_FAILURE);
+
+	connection = nm_device_get_applied_connection (device);
+	g_return_val_if_fail (connection, NM_ACT_STAGE_RETURN_FAILURE);
+
+	s_wpan = nm_connection_get_setting_wpan (connection);
+	g_return_val_if_fail (s_wpan, NM_ACT_STAGE_RETURN_FAILURE);
+
+	hwaddr = nm_platform_link_get_address (platform, ifindex, &hwaddr_len);
+	g_return_val_if_fail (hwaddr, NM_ACT_STAGE_RETURN_FAILURE);
+
+	/* As of kernel 4.16, the 6LoWPAN devices layered on top of WPANs
+	 * need to be DOWN as well as the WPAN device itself in order to
+	 * modify the WPAN properties. */
+	lowpan_plink = nm_platform_link_get_by_address (platform,
+	                                                NM_LINK_TYPE_6LOWPAN,
+	                                                hwaddr,
+	                                                hwaddr_len);
+	if (lowpan_plink && NM_FLAGS_HAS (lowpan_plink->n_ifi_flags, IFF_UP)) {
+		lowpan_device = nm_manager_get_device_by_ifindex (nm_manager_get (),
+		                                                  lowpan_plink->ifindex);
+	}
+
+	if (lowpan_device)
+		nm_device_take_down (lowpan_device, TRUE);
+
+	nm_device_take_down (device, TRUE);
+
+	pan_id = nm_setting_wpan_get_pan_id (s_wpan);
+	if (pan_id != G_MAXUINT16) {
+		if (!nm_platform_wpan_set_pan_id (platform, ifindex, pan_id)) {
+			_LOGW (LOGD_DEVICE, "unable to set the PAN ID");
+			goto out;
+		}
+	}
+
+	short_address = nm_setting_wpan_get_short_address (s_wpan);
+	if (short_address != G_MAXUINT16) {
+		if (!nm_platform_wpan_set_short_addr (platform, ifindex, short_address)) {
+			_LOGW (LOGD_DEVICE, "unable to set the short address");
+			goto out;
+		}
+	}
+
+	ret = NM_ACT_STAGE_RETURN_SUCCESS;
+out:
+        nm_device_bring_up (device, TRUE, NULL);
+
+	if (lowpan_device)
+		nm_device_bring_up (lowpan_device, TRUE, NULL);
+
+	return ret;
+}
+
+/*****************************************************************************/
+
+static void
+nm_device_wpan_init (NMDeviceWpan *self)
+{
+}
+
+static const NMDBusInterfaceInfoExtended interface_info_device_wpan = {
+	.parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT (
+		NM_DBUS_INTERFACE_DEVICE_WPAN,
+		.properties = NM_DEFINE_GDBUS_PROPERTY_INFOS (
+			NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE ("HwAddress", "s", NM_DEVICE_HW_ADDRESS),
+		),
+	),
+};
+
+static void
+nm_device_wpan_class_init (NMDeviceWpanClass *klass)
+{
+	NMDeviceClass *device_class = NM_DEVICE_CLASS (klass);
+	NMDBusObjectClass *dbus_object_class = NM_DBUS_OBJECT_CLASS (klass);
+
+	dbus_object_class->interface_infos = NM_DBUS_INTERFACE_INFOS (&interface_info_device_wpan);
+
+	device_class->connection_type_supported = NM_SETTING_WPAN_SETTING_NAME;
+	device_class->connection_type_check_compatible = NM_SETTING_WPAN_SETTING_NAME;
+	device_class->link_types = NM_DEVICE_DEFINE_LINK_TYPES (NM_LINK_TYPE_WPAN);
+
+	device_class->complete_connection = complete_connection;
+	device_class->check_connection_compatible = check_connection_compatible;
+	device_class->update_connection = update_connection;
+	device_class->act_stage1_prepare = act_stage1_prepare;
+}
+
+/*****************************************************************************/
+
+#define NM_TYPE_WPAN_DEVICE_FACTORY (nm_wpan_device_factory_get_type ())
+#define NM_WPAN_DEVICE_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), NM_TYPE_WPAN_DEVICE_FACTORY, NMWpanDeviceFactory))
+
+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_WPAN,
+	                                  NM_DEVICE_IFACE, iface,
+	                                  NM_DEVICE_TYPE_DESC, "WPAN",
+	                                  NM_DEVICE_DEVICE_TYPE, NM_DEVICE_TYPE_WPAN,
+	                                  NM_DEVICE_LINK_TYPE, NM_LINK_TYPE_WPAN,
+	                                  NULL);
+}
+
+NM_DEVICE_FACTORY_DEFINE_INTERNAL (WPAN, Wpan, wpan,
+	NM_DEVICE_FACTORY_DECLARE_LINK_TYPES (NM_LINK_TYPE_WPAN)
+	NM_DEVICE_FACTORY_DECLARE_SETTING_TYPES (NM_SETTING_WPAN_SETTING_NAME),
+	factory_class->create_device = create_device;
+);