xref: /netbsd/usr.sbin/eeprom/main.c (revision bf9ec67e)
1 /*	$NetBSD: main.c,v 1.15 2001/02/19 23:22:42 cgd Exp $	*/
2 
3 /*-
4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jason R. Thorpe.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <sys/cdefs.h>
40 #ifndef lint
41 __COPYRIGHT(
42 "@(#) Copyright (c) 1996 The NetBSD Foundation, Inc.  All rights reserved.");
43 __RCSID("$NetBSD: main.c,v 1.15 2001/02/19 23:22:42 cgd Exp $");
44 #endif
45 
46 #include <sys/param.h>
47 #include <err.h>
48 #include <string.h>
49 #include <stdio.h>
50 #include <stdlib.h>
51 #include <unistd.h>
52 
53 #include <machine/eeprom.h>
54 
55 #include "defs.h"
56 #include "pathnames.h"
57 
58 #if defined(__sparc__)
59 # define USE_OPENPROM
60 # if defined(__arch64__)
61 #  define ee_action(a,b)
62 #  define ee_dump()
63 #  define ee_updatechecksums() (void)0
64 #  define check_for_openprom() 1
65 # endif
66 #endif
67 
68 int	main (int, char *[]);
69 static	void action (char *);
70 static	void dump_prom (void);
71 static	void usage (void);
72 
73 char	*path_eeprom = _PATH_EEPROM;
74 char	*path_openprom = _PATH_OPENPROM;
75 int	fix_checksum = 0;
76 int	ignore_checksum = 0;
77 int	update_checksums = 0;
78 int	cksumfail = 0;
79 u_short	writecount;
80 int	eval = 0;
81 #ifdef USE_OPENPROM
82 int	verbose = 0;
83 int	use_openprom;
84 #endif
85 
86 int
87 main(argc, argv)
88 	int argc;
89 	char *argv[];
90 {
91 	int ch, do_stdin = 0;
92 	char *cp, line[BUFSIZE];
93 #ifdef USE_OPENPROM
94 	char *optstring = "-cf:iv";
95 #else
96 	char *optstring = "-cf:i";
97 #endif /* USE_OPENPROM */
98 
99 	while ((ch = getopt(argc, argv, optstring)) != -1)
100 		switch (ch) {
101 		case '-':
102 			do_stdin = 1;
103 			break;
104 
105 		case 'c':
106 			fix_checksum = 1;
107 			break;
108 
109 		case 'f':
110 			path_eeprom = path_openprom = optarg;
111 			break;
112 
113 		case 'i':
114 			ignore_checksum = 1;
115 			break;
116 
117 #ifdef USE_OPENPROM
118 		case 'v':
119 			verbose = 1;
120 			break;
121 #endif /* USE_OPENPROM */
122 
123 		case '?':
124 		default:
125 			usage();
126 		}
127 	argc -= optind;
128 	argv += optind;
129 
130 #ifdef USE_OPENPROM
131 	use_openprom = check_for_openprom();
132 
133 	if (use_openprom == 0) {
134 #endif /* USE_OPENPROM */
135 		ee_verifychecksums();
136 		if (fix_checksum || cksumfail)
137 			exit(cksumfail);
138 #ifdef USE_OPENPROM
139 	}
140 #endif /* USE_OPENPROM */
141 
142 	if (do_stdin) {
143 		while (fgets(line, BUFSIZE, stdin) != NULL) {
144 			if (line[0] == '\n')
145 				continue;
146 			if ((cp = strrchr(line, '\n')) != NULL)
147 				*cp = '\0';
148 			action(line);
149 		}
150 		if (ferror(stdin))
151 			err(++eval, "stdin");
152 	} else {
153 		if (argc == 0) {
154 			dump_prom();
155 			exit(eval + cksumfail);
156 		}
157 
158 		while (argc) {
159 			action(*argv);
160 			++argv;
161 			--argc;
162 		}
163 	}
164 
165 #ifdef USE_OPENPROM
166 	if (use_openprom == 0)
167 #endif /* USE_OPENPROM */
168 		if (update_checksums) {
169 			++writecount;
170 			ee_updatechecksums();
171 		}
172 
173 	exit(eval + cksumfail);
174 }
175 
176 /*
177  * Separate the keyword from the argument (if any), find the keyword in
178  * the table, and call the corresponding handler function.
179  */
180 static void
181 action(line)
182 	char *line;
183 {
184 	char *keyword, *arg;
185 
186 	keyword = strdup(line);
187 	if ((arg = strrchr(keyword, '=')) != NULL)
188 		*arg++ = '\0';
189 
190 #ifdef USE_OPENPROM
191 	if (use_openprom)
192 		op_action(keyword, arg);
193 	else
194 #endif /* USE_OPENPROM */
195 		ee_action(keyword, arg);
196 }
197 
198 /*
199  * Dump the contents of the prom corresponding to all known keywords.
200  */
201 static void
202 dump_prom()
203 {
204 
205 #ifdef USE_OPENPROM
206 	if (use_openprom)
207 		/*
208 		 * We have a special dump routine for this.
209 		 */
210 		op_dump();
211 	else
212 #endif /* USE_OPENPROM */
213 		ee_dump();
214 }
215 
216 static void
217 usage()
218 {
219 
220 #ifdef USE_OPENPROM
221 	fprintf(stderr, "usage: %s %s\n", getprogname(),
222 	    "[-] [-c] [-f device] [-i] [-v] [field[=value] ...]");
223 #else
224 	fprintf(stderr, "usage: %s %s\n", getprogname(),
225 	    "[-] [-c] [-f device] [-i] [field[=value] ...]");
226 #endif /* __us */
227 	exit(1);
228 }
229