netbootinfo.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* This program extracts network interface parameters from the information
* passed to the kernel from the bootstrap (i.e. as properties of /chosen).
*
* Returns:
* = 0 - success
* > 0 - error (see exit codes below)
*/
#include <libintl.h>
#include <locale.h>
#include <stdio.h>
#include <strings.h>
#include <parseURL.h>
#include <wanbootutil.h>
#include <bootinfo.h>
/*
* Exit codes:
*/
#define NETBOOTINFO_SUCCESS 0
#define NETBOOTINFO_UNKNOWN_PARAM 1
#define NETBOOTINFO_BOOTINFO_ERR 2
#define NETBOOTINFO_USAGE 3
int
main(int argc, char **argv)
{
int i;
/*
* Do the necessary magic for localization support.
*/
(void) setlocale(LC_ALL, "");
#if !defined(TEXT_DOMAIN)
#define TEXT_DOMAIN "SYS_TEST"
#endif /* !defined(TEXT_DOMAIN) */
(void) textdomain(TEXT_DOMAIN);
/*
* Initialize program name for use by wbku_printerr().
*/
wbku_errinit(argv[0]);
/*
* Check usage is legal.
*/
if (argc < 2) {
(void) fprintf(stderr,
gettext("Usage: %s param [ param ... ]\n"), argv[0]);
return (NETBOOTINFO_USAGE);
}
/*
* Initialize bootinfo.
*/
if (!bootinfo_init()) {
wbku_printerr("Internal error\n");
return (NETBOOTINFO_BOOTINFO_ERR);
}
/*
* Retrieve and print parameter value(s).
*/
for (i = 1; i < argc; ++i) {
char *name = argv[i];
char valbuf[URL_MAX_STRLEN];
size_t vallen = sizeof (valbuf);
/*
* Call get_bootinfo() to fetch it's value.
*/
switch (bootinfo_get(name, valbuf, &vallen, NULL)) {
case BI_E_SUCCESS:
break;
case BI_E_NOVAL:
(void) strlcpy(valbuf, "none", sizeof (valbuf));
break;
case BI_E_ILLNAME:
wbku_printerr("Unknown parameter %s\n", name);
bootinfo_end();
return (NETBOOTINFO_UNKNOWN_PARAM);
default:
wbku_printerr("Internal error\n");
bootinfo_end();
return (NETBOOTINFO_BOOTINFO_ERR);
}
(void) printf("%s\n", valbuf);
}
bootinfo_end();
return (NETBOOTINFO_SUCCESS);
}