* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
+ *
+ * You can also choose to distribute this program under the terms of
+ * the Unmodified Binary Distribution Licence (as given in the file
+ * COPYING.UBDL), provided that you have satisfied its requirements.
*/
-FILE_LICENCE ( GPL2_OR_LATER );
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <stdint.h>
#include <stdlib.h>
TFTP_FL_RRQ_MULTICAST = 0x0004,
/** Perform MTFTP recovery on timeout */
TFTP_FL_MTFTP_RECOVERY = 0x0008,
- /** Only get filesize and then abort the transfer */
- TFTP_FL_SIZEONLY = 0x0010,
};
/** Maximum number of MTFTP open requests before falling back to TFTP */
goto done;
}
- /* Abort request if only trying to determine file size */
- if ( tftp->flags & TFTP_FL_SIZEONLY ) {
- rc = 0;
- tftp_send_error ( tftp, 0, "TFTP Aborted" );
- tftp_done ( tftp, rc );
- return rc;
- }
-
/* Request next data block */
tftp_send_packet ( tftp );
size_t data_len;
int rc;
- if ( tftp->flags & TFTP_FL_SIZEONLY ) {
- /* If we get here then server doesn't support SIZE option */
- rc = -ENOTSUP;
- tftp_send_error ( tftp, 0, "TFTP Aborted" );
- goto done;
- }
-
/* Sanity check */
if ( iob_len ( iobuf ) < sizeof ( *data ) ) {
DBGC ( tftp, "TFTP %p received underlength DATA packet "
return tftp->blksize;
}
+/**
+ * Terminate download
+ *
+ * @v tftp TFTP connection
+ * @v rc Reason for close
+ */
+static void tftp_close ( struct tftp_request *tftp, int rc ) {
+
+ /* Abort download */
+ tftp_send_error ( tftp, 0, "TFTP Aborted" );
+
+ /* Close TFTP request */
+ tftp_done ( tftp, rc );
+}
+
/** TFTP data transfer interface operations */
static struct interface_operation tftp_xfer_operations[] = {
INTF_OP ( xfer_window, struct tftp_request *, tftp_xfer_window ),
- INTF_OP ( intf_close, struct tftp_request *, tftp_done ),
+ INTF_OP ( intf_close, struct tftp_request *, tftp_close ),
};
/** TFTP data transfer interface descriptor */
.open = tftp_open,
};
-/**
- * Initiate TFTP-size request
- *
- * @v xfer Data transfer interface
- * @v uri Uniform Resource Identifier
- * @ret rc Return status code
- */
-static int tftpsize_open ( struct interface *xfer, struct uri *uri ) {
- return tftp_core_open ( xfer, uri, TFTP_PORT, NULL,
- ( TFTP_FL_RRQ_SIZES |
- TFTP_FL_SIZEONLY ) );
-
-}
-
-/** TFTP URI opener */
-struct uri_opener tftpsize_uri_opener __uri_opener = {
- .scheme = "tftpsize",
- .open = tftpsize_open,
-};
-
/**
* Initiate TFTM download
*