+static int ubusd_handle_invoke(struct ubus_client *cl, struct ubus_msg_buf *ub, struct blob_attr **attr)
+{
+ struct ubus_msg_buf *ub_new;
+ struct ubus_object *obj = NULL;
+ struct ubus_id *id;
+ const char *method;
+
+ if (!attr[UBUS_ATTR_METHOD] || !attr[UBUS_ATTR_OBJID])
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ id = ubus_find_id(&objects, blob_get_u32(attr[UBUS_ATTR_OBJID]));
+ if (!id)
+ return UBUS_STATUS_NOT_FOUND;
+
+ obj = container_of(id, struct ubus_object, id);
+
+ method = blob_data(attr[UBUS_ATTR_METHOD]);
+
+ if (!obj->client)
+ return obj->recv_msg(cl, method, attr[UBUS_ATTR_DATA]);
+
+ blob_buf_init(&b, 0);
+ blob_put_int32(&b, UBUS_ATTR_OBJID, obj->id.id);
+ blob_put_string(&b, UBUS_ATTR_METHOD, method);
+ if (attr[UBUS_ATTR_DATA])
+ blob_put(&b, UBUS_ATTR_DATA, blob_data(attr[UBUS_ATTR_DATA]),
+ blob_len(attr[UBUS_ATTR_DATA]));
+
+ ub_new = ubus_reply_from_blob(ub, true);
+ ubus_msg_free(ub);
+ ub = ub_new;
+
+ if (!ub)
+ return UBUS_STATUS_NO_DATA;
+
+ ub->hdr.type = UBUS_MSG_INVOKE;
+ ub->hdr.peer = cl->id.id;
+ ubus_msg_send(obj->client, ub, true);
+
+ return -1;
+}
+
+static struct ubus_client *ubusd_get_client_by_id(uint32_t id)
+{
+ struct ubus_id *clid;
+
+ clid = ubus_find_id(&clients, id);
+ if (!clid)
+ return NULL;
+
+ return container_of(clid, struct ubus_client, id);
+}
+
+static int ubusd_handle_response(struct ubus_client *cl, struct ubus_msg_buf *ub, struct blob_attr **attr)
+{
+ struct ubus_object *obj;
+
+ if (!attr[UBUS_ATTR_OBJID] ||
+ (ub->hdr.type == UBUS_MSG_STATUS && !attr[UBUS_ATTR_STATUS]) ||
+ (ub->hdr.type == UBUS_MSG_DATA && !attr[UBUS_ATTR_DATA]))
+ goto error;
+
+ obj = ubusd_find_object(blob_get_u32(attr[UBUS_ATTR_OBJID]));
+ if (!obj)
+ goto error;
+
+ if (cl != obj->client)
+ goto error;
+
+ cl = ubusd_get_client_by_id(ub->hdr.peer);
+ if (!cl)
+ goto error;
+
+ ub->hdr.peer = blob_get_u32(attr[UBUS_ATTR_OBJID]);
+ ubus_msg_send(cl, ub, true);
+ return -1;
+
+error:
+ ubus_msg_free(ub);
+ return -1;
+}
+
+static int ubusd_handle_add_watch(struct ubus_client *cl, struct ubus_msg_buf *ub, struct blob_attr **attr)
+{
+ struct ubus_object *obj, *target;
+
+ if (!attr[UBUS_ATTR_OBJID] || !attr[UBUS_ATTR_TARGET] ||
+ !attr[UBUS_ATTR_METHOD]) {
+ return UBUS_STATUS_INVALID_ARGUMENT;
+ }
+
+ obj = ubusd_find_object(blob_get_u32(attr[UBUS_ATTR_OBJID]));
+ if (!obj)
+ return UBUS_STATUS_NOT_FOUND;
+
+ if (cl != obj->client)
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ target = ubusd_find_object(blob_get_u32(attr[UBUS_ATTR_TARGET]));
+ if (!target)
+ return UBUS_STATUS_NOT_FOUND;
+
+ if (cl == target->client)
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ ubus_watch_new(obj, target, blob_data(attr[UBUS_ATTR_METHOD]));
+ return 0;
+}
+
+static int ubusd_handle_remove_watch(struct ubus_client *cl, struct ubus_msg_buf *ub, struct blob_attr **attr)