diff options
Diffstat (limited to 'contrib/syslinux-4.02/gpxe/src/usr/imgmgmt.c')
-rw-r--r-- | contrib/syslinux-4.02/gpxe/src/usr/imgmgmt.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/usr/imgmgmt.c b/contrib/syslinux-4.02/gpxe/src/usr/imgmgmt.c new file mode 100644 index 0000000..023e3f0 --- /dev/null +++ b/contrib/syslinux-4.02/gpxe/src/usr/imgmgmt.c @@ -0,0 +1,144 @@ +/* + * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include <stdint.h> +#include <stdlib.h> +#include <stdio.h> +#include <errno.h> +#include <gpxe/image.h> +#include <gpxe/downloader.h> +#include <gpxe/monojob.h> +#include <gpxe/open.h> +#include <gpxe/uri.h> +#include <usr/imgmgmt.h> + +/** @file + * + * Image management + * + */ + +/** + * Fetch an image + * + * @v uri_string URI as a string (e.g. "http://www.nowhere.com/vmlinuz") + * @v name Name for image, or NULL + * @v register_image Image registration routine + * @ret rc Return status code + */ +int imgfetch ( struct image *image, const char *uri_string, + int ( * image_register ) ( struct image *image ) ) { + char uri_string_redacted[ strlen ( uri_string ) + 3 /* "***" */ + + 1 /* NUL */ ]; + struct uri *uri; + const char *password; + int rc; + + if ( ! ( uri = parse_uri ( uri_string ) ) ) + return -ENOMEM; + + image_set_uri ( image, uri ); + + /* Redact password portion of URI, if necessary */ + password = uri->password; + if ( password ) + uri->password = "***"; + unparse_uri ( uri_string_redacted, sizeof ( uri_string_redacted ), + uri, URI_ALL ); + uri->password = password; + + if ( ( rc = create_downloader ( &monojob, image, image_register, + LOCATION_URI, uri ) ) == 0 ) + rc = monojob_wait ( uri_string_redacted ); + + uri_put ( uri ); + return rc; +} + +/** + * Load an image + * + * @v image Image + * @ret rc Return status code + */ +int imgload ( struct image *image ) { + int rc; + + /* Try to load image */ + if ( ( rc = image_autoload ( image ) ) != 0 ) + return rc; + + return 0; +} + +/** + * Execute an image + * + * @v image Image + * @ret rc Return status code + */ +int imgexec ( struct image *image ) { + return image_exec ( image ); +} + +/** + * Identify the only loaded image + * + * @ret image Image, or NULL if 0 or >1 images are loaded + */ +struct image * imgautoselect ( void ) { + struct image *image; + struct image *selected_image = NULL; + int flagged_images = 0; + + for_each_image ( image ) { + if ( image->flags & IMAGE_LOADED ) { + selected_image = image; + flagged_images++; + } + } + + return ( ( flagged_images == 1 ) ? selected_image : NULL ); +} + +/** + * Display status of an image + * + * @v image Executable/loadable image + */ +void imgstat ( struct image *image ) { + printf ( "%s: %zd bytes", image->name, image->len ); + if ( image->type ) + printf ( " [%s]", image->type->name ); + if ( image->flags & IMAGE_LOADED ) + printf ( " [LOADED]" ); + if ( image->cmdline ) + printf ( " \"%s\"", image->cmdline ); + printf ( "\n" ); +} + +/** + * Free an image + * + * @v image Executable/loadable image + */ +void imgfree ( struct image *image ) { + unregister_image ( image ); +} |