+ if (r < 0) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus_message *reply;
+
+ if (errno == EAGAIN || errno == EINTR)
+ return 0;
+ else if (errno == ENXIO || errno == ESRCH) {
+
+ /* ENXIO: unique name not known
+ * ESRCH: well-known name not known */
+
+ if (m->header->type == SD_BUS_MESSAGE_METHOD_CALL)
+ sd_bus_error_setf(&error, SD_BUS_ERROR_SERVICE_UNKNOWN, "Destination %s not known", m->destination);
+ else
+ return 0;
+
+ } else if (errno == EADDRNOTAVAIL) {
+
+ /* EADDRNOTAVAIL: activation is possible, but turned off in request flags */
+
+ if (m->header->type == SD_BUS_MESSAGE_METHOD_CALL)
+ sd_bus_error_setf(&error, SD_BUS_ERROR_SERVICE_UNKNOWN, "Activation of %s not requested", m->destination);
+ else
+ return 0;
+ } else
+ return -errno;
+
+ r = bus_message_new_synthetic_error(
+ bus,
+ BUS_MESSAGE_SERIAL(m),
+ &error,
+ &reply);
+
+ if (r < 0)
+ return r;
+
+ r = bus_seal_synthetic_message(bus, reply);
+ if (r < 0)
+ return r;
+
+ bus->rqueue[bus->rqueue_size++] = reply;
+
+ return 0;
+ }
+
+ return 1;
+}
+
+static void close_kdbus_msg(sd_bus *bus, struct kdbus_msg *k) {
+ uint64_t off;
+ struct kdbus_item *d;
+
+ assert(bus);
+ assert(k);
+
+ off = (uint8_t *)k - (uint8_t *)bus->kdbus_buffer;
+ ioctl(bus->input_fd, KDBUS_CMD_FREE, &off);
+
+ KDBUS_PART_FOREACH(d, k, items) {
+
+ if (d->type == KDBUS_ITEM_FDS)
+ close_many(d->fds, (d->size - offsetof(struct kdbus_item, fds)) / sizeof(int));
+ else if (d->type == KDBUS_ITEM_PAYLOAD_MEMFD)
+ close_nointr_nofail(d->memfd.fd);
+ }
+}
+
+static int push_name_owner_changed(sd_bus *bus, const char *name, const char *old_owner, const char *new_owner) {
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ int r;
+
+ assert(bus);
+
+ r = sd_bus_message_new_signal(
+ bus,
+ "/org/freedesktop/DBus",
+ "org.freedesktop.DBus",
+ "NameOwnerChanged",
+ &m);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(m, "sss", name, old_owner, new_owner);
+ if (r < 0)
+ return r;
+
+ m->sender = "org.freedesktop.DBus";
+
+ r = bus_seal_synthetic_message(bus, m);
+ if (r < 0)
+ return r;
+
+ bus->rqueue[bus->rqueue_size++] = m;
+ m = NULL;
+
+ return 1;
+}
+
+static int translate_name_change(sd_bus *bus, struct kdbus_msg *k, struct kdbus_item *d) {
+ char new_owner[UNIQUE_NAME_MAX], old_owner[UNIQUE_NAME_MAX];
+
+ assert(bus);
+ assert(k);
+ assert(d);
+
+ if (d->name_change.flags != 0)
+ return 0;
+
+ if (d->type == KDBUS_ITEM_NAME_ADD)
+ old_owner[0] = 0;
+ else
+ sprintf(old_owner, ":1.%llu", (unsigned long long) d->name_change.old_id);
+
+ if (d->type == KDBUS_ITEM_NAME_REMOVE)
+ new_owner[0] = 0;
+ else
+ sprintf(new_owner, ":1.%llu", (unsigned long long) d->name_change.new_id);
+
+ return push_name_owner_changed(bus, d->name_change.name, old_owner, new_owner);
+}
+
+static int translate_id_change(sd_bus *bus, struct kdbus_msg *k, struct kdbus_item *d) {
+ char owner[UNIQUE_NAME_MAX];
+
+ assert(bus);
+ assert(k);
+ assert(d);
+
+ sprintf(owner, ":1.%llu", d->id_change.id);
+
+ return push_name_owner_changed(
+ bus, owner,
+ d->type == KDBUS_ITEM_ID_ADD ? NULL : owner,
+ d->type == KDBUS_ITEM_ID_ADD ? owner : NULL);
+}
+
+static int translate_reply(sd_bus *bus, struct kdbus_msg *k, struct kdbus_item *d) {
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ int r;
+
+ assert(bus);
+ assert(k);
+ assert(d);
+
+ r = bus_message_new_synthetic_error(
+ bus,
+ k->cookie_reply,
+ d->type == KDBUS_ITEM_REPLY_TIMEOUT ?
+ &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_NO_REPLY, "Method call timed out") :
+ &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_NO_REPLY, "Method call peer died"),
+ &m);