xref: /titanic_51/usr/src/cmd/cmd-inet/usr.lib/wanboot/netbootinfo/netbootinfo.c (revision 342440ec94087b8c751c580ab9ed6c693d31d418)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 /*
29  * This program extracts network interface parameters from the information
30  * passed to the kernel from the bootstrap (i.e. as properties of /chosen).
31  *
32  * Returns:
33  *	= 0	- success
34  *	> 0	- error (see exit codes below)
35  */
36 
37 #include <libintl.h>
38 #include <locale.h>
39 #include <stdio.h>
40 #include <strings.h>
41 #include <parseURL.h>
42 #include <wanbootutil.h>
43 #include <bootinfo.h>
44 
45 /*
46  * Exit codes:
47  */
48 #define	NETBOOTINFO_SUCCESS		0
49 #define	NETBOOTINFO_UNKNOWN_PARAM	1
50 #define	NETBOOTINFO_BOOTINFO_ERR	2
51 #define	NETBOOTINFO_USAGE		3
52 
53 int
54 main(int argc, char **argv)
55 {
56 	int	i;
57 
58 	/*
59 	 * Do the necessary magic for localization support.
60 	 */
61 	(void) setlocale(LC_ALL, "");
62 #if	!defined(TEXT_DOMAIN)
63 #define	TEXT_DOMAIN "SYS_TEST"
64 #endif	/* !defined(TEXT_DOMAIN) */
65 	(void) textdomain(TEXT_DOMAIN);
66 
67 	/*
68 	 * Initialize program name for use by wbku_printerr().
69 	 */
70 	wbku_errinit(argv[0]);
71 
72 	/*
73 	 * Check usage is legal.
74 	 */
75 	if (argc < 2) {
76 		(void) fprintf(stderr,
77 		    gettext("Usage: %s param [ param ... ]\n"), argv[0]);
78 		return (NETBOOTINFO_USAGE);
79 	}
80 
81 	/*
82 	 * Initialize bootinfo.
83 	 */
84 	if (!bootinfo_init()) {
85 		wbku_printerr("Internal error\n");
86 		return (NETBOOTINFO_BOOTINFO_ERR);
87 	}
88 
89 	/*
90 	 * Retrieve and print parameter value(s).
91 	 */
92 	for (i = 1; i < argc; ++i) {
93 		char	*name = argv[i];
94 		char	valbuf[URL_MAX_STRLEN];
95 		size_t	vallen = sizeof (valbuf);
96 
97 		/*
98 		 * Call get_bootinfo() to fetch it's value.
99 		 */
100 		switch (bootinfo_get(name, valbuf, &vallen, NULL)) {
101 		case BI_E_SUCCESS:
102 			break;
103 
104 		case BI_E_NOVAL:
105 			(void) strlcpy(valbuf, "none", sizeof (valbuf));
106 			break;
107 
108 		case BI_E_ILLNAME:
109 			wbku_printerr("Unknown parameter %s\n", name);
110 			bootinfo_end();
111 			return (NETBOOTINFO_UNKNOWN_PARAM);
112 
113 		default:
114 			wbku_printerr("Internal error\n");
115 			bootinfo_end();
116 			return (NETBOOTINFO_BOOTINFO_ERR);
117 		}
118 		(void) printf("%s\n", valbuf);
119 	}
120 	bootinfo_end();
121 
122 	return (NETBOOTINFO_SUCCESS);
123 }
124