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/*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <ipxe/image.h>
#include <ipxe/downloader.h>
#include <ipxe/monojob.h>
#include <ipxe/open.h>
#include <ipxe/uri.h>
#include <usr/imgmgmt.h>
/** @file
*
* Image management
*
*/
/**
* Download a new image
*
* @v uri URI
* @v image Image to fill in
* @ret rc Return status code
*/
int imgdownload ( struct uri *uri, struct image **image ) {
size_t len = ( unparse_uri ( NULL, 0, uri, URI_ALL ) + 1 );
char uri_string_redacted[len];
const char *password;
int rc;
/* Allocate image */
*image = alloc_image ( uri );
if ( ! *image ) {
rc = -ENOMEM;
goto err_alloc_image;
}
/* 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;
/* Create downloader */
if ( ( rc = create_downloader ( &monojob, *image, LOCATION_URI,
uri ) ) != 0 ) {
printf ( "Could not start download: %s\n", strerror ( rc ) );
goto err_create_downloader;
}
/* Wait for download to complete */
if ( ( rc = monojob_wait ( uri_string_redacted, 0 ) ) != 0 )
goto err_monojob_wait;
/* Register image */
if ( ( rc = register_image ( *image ) ) != 0 ) {
printf ( "Could not register image: %s\n", strerror ( rc ) );
goto err_register_image;
}
/* Drop local reference to image. Image is guaranteed to
* remain in scope since it is registered.
*/
image_put ( *image );
return 0;
err_register_image:
err_monojob_wait:
err_create_downloader:
image_put ( *image );
err_alloc_image:
return rc;
}
/**
* Download a new image
*
* @v uri_string URI string
* @v image Image to fill in
* @ret rc Return status code
*/
int imgdownload_string ( const char *uri_string, struct image **image ) {
struct uri *uri;
int rc;
if ( ! ( uri = parse_uri ( uri_string ) ) )
return -ENOMEM;
rc = imgdownload ( uri, image );
uri_put ( uri );
return rc;
}
/**
* Acquire an image
*
* @v name_uri Name or URI string
* @v image Image to fill in
* @ret rc Return status code
*/
int imgacquire ( const char *name_uri, struct image **image ) {
/* If we already have an image with the specified name, use it */
*image = find_image ( name_uri );
if ( *image )
return 0;
/* Otherwise, download a new image */
return imgdownload_string ( name_uri, image );
}
/**
* 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_TRUSTED )
printf ( " [TRUSTED]" );
if ( image->flags & IMAGE_SELECTED )
printf ( " [SELECTED]" );
if ( image->flags & IMAGE_AUTO_UNREGISTER )
printf ( " [AUTOFREE]" );
if ( image->cmdline )
printf ( " \"%s\"", image->cmdline );
printf ( "\n" );
}
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