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Diffstat (limited to 'contrib/syslinux-4.02/gpxe/src/usr/imgmgmt.c')
-rw-r--r--contrib/syslinux-4.02/gpxe/src/usr/imgmgmt.c144
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 );
+}