OpenBSD-4.6/usr.sbin/eeprom/main.c
/* $OpenBSD: main.c,v 1.18 2008/06/26 05:42:21 ray Exp $ */
/* $NetBSD: main.c,v 1.3 1996/05/16 16:00:55 thorpej Exp $ */
/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <err.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#if defined(__sparc__) && !defined(__sparc64__)
#include <fcntl.h>
#include <limits.h>
#include <sys/sysctl.h>
#include <machine/cpu.h>
#include <machine/eeprom.h>
#endif /* __sparc__ && !__sparc64__ */
#include <machine/openpromio.h>
#include "defs.h"
#if defined(__sparc__) && !defined(__sparc64__)
static char *nlistf = NULL;
struct keytabent eekeytab[] = {
{ "hwupdate", 0x10, ee_hwupdate },
{ "memsize", 0x14, ee_num8 },
{ "memtest", 0x15, ee_num8 },
{ "scrsize", 0x16, ee_screensize },
{ "watchdog_reboot", 0x17, ee_truefalse },
{ "default_boot", 0x18, ee_truefalse },
{ "bootdev", 0x19, ee_bootdev },
{ "kbdtype", 0x1e, ee_kbdtype },
{ "console", 0x1f, ee_constype },
{ "keyclick", 0x21, ee_truefalse },
{ "diagdev", 0x22, ee_bootdev },
{ "diagpath", 0x28, ee_diagpath },
{ "columns", 0x50, ee_num8 },
{ "rows", 0x51, ee_num8 },
{ "ttya_use_baud", 0x58, ee_truefalse },
{ "ttya_baud", 0x59, ee_num16 },
{ "ttya_no_rtsdtr", 0x5b, ee_truefalse },
{ "ttyb_use_baud", 0x60, ee_truefalse },
{ "ttyb_baud", 0x61, ee_num16 },
{ "ttyb_no_rtsdtr", 0x63, ee_truefalse },
{ "banner", 0x68, ee_banner },
{ "secure", 0, ee_notsupp },
{ "bad_login", 0, ee_notsupp },
{ "password", 0, ee_notsupp },
{ NULL, 0, ee_notsupp },
};
#endif /* __sparc__ && !__sparc64__ */
static void action(char *);
static void dump_prom(void);
static void usage(void);
#if defined(__sparc__) && !defined(__sparc64__)
static int getcputype(void);
#endif /* __sparc__ && !__sparc64__ */
char *path_eeprom = "/dev/eeprom";
char *path_openprom = "/dev/openprom";
int fix_checksum = 0;
int ignore_checksum = 0;
int update_checksums = 0;
int cksumfail = 0;
u_short writecount;
int eval = 0;
int use_openprom = 0;
int print_tree = 0;
int verbose = 0;
extern char *__progname;
int
main(int argc, char *argv[])
{
int ch, do_stdin = 0;
char *cp, line[BUFSIZE];
gid_t gid;
char *optstring = "cf:ipvN:-";
while ((ch = getopt(argc, argv, optstring)) != -1)
switch (ch) {
case '-':
do_stdin = 1;
break;
case 'c':
fix_checksum = 1;
break;
case 'f':
path_eeprom = path_openprom = optarg;
break;
case 'i':
ignore_checksum = 1;
break;
case 'p':
print_tree = 1;
break;
case 'v':
verbose = 1;
break;
#if defined(__sparc__) && !defined(__sparc64__)
case 'N':
nlistf = optarg;
break;
#endif /* __sparc__ && !__sparc64__ */
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
#if defined(__sparc__) && !defined(__sparc64__)
if (nlistf != NULL) {
gid = getgid();
if (setresgid(gid, gid, gid) == -1)
err(1, "setresgid");
}
if (getcputype() != CPU_SUN4)
#endif /* __sparc__ && !__sparc64__ */
use_openprom = 1;
if (print_tree && use_openprom) {
op_tree();
exit(0);
}
#if defined(__sparc__) && !defined(__sparc64__)
if (use_openprom == 0) {
ee_verifychecksums();
if (fix_checksum || cksumfail)
exit(cksumfail);
}
#endif /* __sparc__ && !__sparc64__ */
if (do_stdin) {
while (fgets(line, BUFSIZE, stdin) != NULL) {
if (line[0] == '\n')
continue;
if ((cp = strrchr(line, '\n')) != NULL)
*cp = '\0';
action(line);
}
if (ferror(stdin))
err(++eval, "stdin");
} else {
if (argc == 0) {
dump_prom();
exit(eval + cksumfail);
}
while (argc) {
action(*argv);
++argv;
--argc;
}
}
#if defined(__sparc__) && !defined(__sparc64__)
if (use_openprom == 0)
if (update_checksums) {
++writecount;
ee_updatechecksums();
}
#endif /* __sparc__ && !__sparc64__ */
exit(eval + cksumfail);
}
#if defined(__sparc__) && !defined(__sparc64__)
static int
getcputype(void)
{
int mib[2];
size_t len;
int cputype;
mib[0] = CTL_MACHDEP;
mib[1] = CPU_CPUTYPE;
len = sizeof(cputype);
if (sysctl(mib, 2, &cputype, &len, NULL, 0) < 0)
err(1, "sysctl(machdep.cputype)");
return (cputype);
}
#endif /* __sparc__ && !__sparc64__ */
/*
* Separate the keyword from the argument (if any), find the keyword in
* the table, and call the corresponding handler function.
*/
static void
action(char *line)
{
char *keyword, *arg, *cp;
struct keytabent *ktent;
keyword = strdup(line);
if (!keyword)
errx(1, "out of memory");
if ((arg = strrchr(keyword, '=')) != NULL)
*arg++ = '\0';
if (use_openprom) {
/*
* The whole point of the Openprom is that one
* isn't required to know the keywords. With this
* in mind, we just dump the whole thing off to
* the generic op_handler.
*/
if ((cp = op_handler(keyword, arg)) != NULL)
warnx("%s", cp);
return;
}
#if defined(__sparc__) && !defined(__sparc64__)
else
for (ktent = eekeytab; ktent->kt_keyword != NULL; ++ktent) {
if (strcmp(ktent->kt_keyword, keyword) == 0) {
(*ktent->kt_handler)(ktent, arg);
return;
}
}
#endif /* __sparc__ && !__sparc64__ */
warnx("unknown keyword %s", keyword);
++eval;
}
/*
* Dump the contents of the prom corresponding to all known keywords.
*/
static void
dump_prom(void)
{
struct keytabent *ktent;
if (use_openprom) {
/*
* We have a special dump routine for this.
*/
op_dump();
}
#if defined(__sparc__) && !defined(__sparc64__)
else
for (ktent = eekeytab; ktent->kt_keyword != NULL; ++ktent)
(*ktent->kt_handler)(ktent, NULL);
#endif /* __sparc__ && !__sparc64__ */
}
static void
usage(void)
{
#if defined(__sparc__) && !defined(__sparc64__)
fprintf(stderr,
"usage: %s [-cipv] [-f device] [-N system] [field[=value] ...]\n",
__progname);
#else
fprintf(stderr,
"usage: %s [-cipv] [-f device] [field[=value] ...]\n",
__progname);
#endif /* __sparc__ && !__sparc64__ */
exit(1);
}