+static char *mac_bytes_to_string(void *ctx, uint8_t *addr, int len)
+{
+ const int l = strlen("xx:");
+ char *buf;
+ int i;
+
+ if (len <= 0)
+ return talloc_strdup(ctx, "");
+
+ buf = talloc_array(ctx, char, (len * l) + 1);
+
+ for (i = 0; i < len; i++)
+ sprintf(buf + (l * i), "%02x:", addr[i]);
+
+ *(buf + (l * len) - 1) = '\0';
+
+ return buf;
+}
+
+static void add_interface(struct network *network,
+ struct interface *interface)
+{
+ list_add(&network->interfaces, &interface->list);
+ interface->dev = discover_device_create(network->handler,
+ interface->name);
+ interface->dev->device->type = DEVICE_TYPE_NETWORK;
+ interface->dev->uuid = mac_bytes_to_string(interface->dev,
+ interface->hwaddr, sizeof(interface->hwaddr));
+ device_handler_add_device(network->handler, interface->dev);
+}
+
+static void remove_interface(struct network *network,
+ struct interface *interface)
+{
+ if (interface->dev)
+ device_handler_remove(network->handler, interface->dev);
+ list_remove(&interface->list);
+ talloc_free(interface);
+}
+
+void network_register_device(struct network *network,
+ struct discover_device *dev)
+{
+ struct interface *iface;
+
+ iface = find_interface_by_name(network, dev->device->id);
+ if (!iface)
+ return;
+
+ iface->dev = dev;
+ dev->uuid = mac_bytes_to_string(iface->dev, iface->hwaddr,
+ sizeof(iface->hwaddr));
+}
+
+void network_unregister_device(struct network *network,
+ struct discover_device *dev)
+{
+ struct interface *iface;
+
+ iface = find_interface_by_name(network, dev->device->id);
+ if (!iface)
+ return;
+
+ iface->dev = NULL;
+}
+
+static int interface_change(struct interface *interface, bool up)