[image] Ensure every image has a fully resolved URI

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/core/downloader.c

 FILE_LICENCE ( GPL2_OR_LATER );
 
 #include <stdlib.h>
-#include <stdarg.h>
 #include <errno.h>
 #include <syslog.h>
 #include <ipxe/iobuf.h>
  *
  * @v job		Job control interface
  * @v image		Image to fill with downloaded file
- * @v type		Location type to pass to xfer_open()
- * @v ...		Remaining arguments to pass to xfer_open()
  * @ret rc		Return status code
  *
- * Instantiates a downloader object to download the specified URI into
- * the specified image object.
+ * Instantiates a downloader object to download the content of the
+ * specified image from its URI.
  */
-int create_downloader ( struct interface *job, struct image *image,
-			int type, ... ) {
+int create_downloader ( struct interface *job, struct image *image ) {
 	struct downloader *downloader;
-	va_list args;
 	int rc;
 
 	/* Allocate and initialise structure */
 	intf_init ( &downloader->xfer, &downloader_xfer_desc,
 		    &downloader->refcnt );
 	downloader->image = image_get ( image );
-	va_start ( args, type );
 
 	/* Instantiate child objects and attach to our interfaces */
-	if ( ( rc = xfer_vopen ( &downloader->xfer, type, args ) ) != 0 )
+	if ( ( rc = xfer_open_uri ( &downloader->xfer, image->uri ) ) != 0 )
 		goto err;
 
 	/* Attach parent interface, mortalise self, and return */
 	intf_plug_plug ( &downloader->job, job );
 	ref_put ( &downloader->refcnt );
-	va_end ( args );
 	return 0;
 
  err:
 	downloader_finished ( downloader, rc );
 	ref_put ( &downloader->refcnt );
-	va_end ( args );
 	return rc;
 }

src/include/ipxe/downloader.h

 struct interface;
 struct image;
 
-extern int create_downloader ( struct interface *job, struct image *image,
-			       int type, ... );
+extern int create_downloader ( struct interface *job, struct image *image );
 
 #endif /* _IPXE_DOWNLOADER_H */

src/usr/imgmgmt.c

 	char *uri_string_redacted;
 	int rc;
 
-	/* Allocate image */
-	*image = alloc_image ( uri );
-	if ( ! *image ) {
-		rc = -ENOMEM;
-		goto err_alloc_image;
-	}
-
 	/* Construct redacted URI */
 	password = uri->password;
 	if ( password )
 	uri->password = password;
 	if ( ! uri_string_redacted ) {
 		rc = -ENOMEM;
-		goto err_uri;
+		goto err_uri_string;
+	}
+
+	/* Resolve URI */
+	uri = resolve_uri ( cwuri, uri );
+	if ( ! uri ) {
+		rc = -ENOMEM;
+		goto err_resolve_uri;
+	}
+
+	/* Allocate image */
+	*image = alloc_image ( uri );
+	if ( ! *image ) {
+		rc = -ENOMEM;
+		goto err_alloc_image;
 	}
 
 	/* Create downloader */
-	if ( ( rc = create_downloader ( &monojob, *image, LOCATION_URI,
-					uri ) ) != 0 ) {
+	if ( ( rc = create_downloader ( &monojob, *image ) ) != 0 ) {
 		printf ( "Could not start download: %s\n", strerror ( rc ) );
 		goto err_create_downloader;
 	}
  err_register_image:
  err_monojob_wait:
  err_create_downloader:
-	free ( uri_string_redacted );
- err_uri:
 	image_put ( *image );
  err_alloc_image:
+	uri_put ( uri );
+ err_resolve_uri:
+	free ( uri_string_redacted );
+ err_uri_string:
 	return rc;
 }