8f95d002fe
"Command for ...". * grub-core/commands/hdparm.c (options): Use "Display" rather than "Check" since we don't check anything. * grub-core/commands/i386/cpuid.c (options): Clarify that long mode is 64-bit one. * grub-core/commands/search_wrap.c (options): Clarify the conditions. * grub-core/disk/geli.c (grub_md_sha256_real): Fix typo. (grub_md_sha512_real): Likewise.
148 lines
3.6 KiB
C
148 lines
3.6 KiB
C
/* date.c - command to display/set current datetime. */
|
|
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2008 Free Software Foundation, Inc.
|
|
*
|
|
* GRUB 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 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <grub/dl.h>
|
|
#include <grub/err.h>
|
|
#include <grub/misc.h>
|
|
#include <grub/datetime.h>
|
|
#include <grub/command.h>
|
|
#include <grub/i18n.h>
|
|
|
|
GRUB_MOD_LICENSE ("GPLv3+");
|
|
|
|
#define GRUB_DATETIME_SET_YEAR 1
|
|
#define GRUB_DATETIME_SET_MONTH 2
|
|
#define GRUB_DATETIME_SET_DAY 4
|
|
#define GRUB_DATETIME_SET_HOUR 8
|
|
#define GRUB_DATETIME_SET_MINUTE 16
|
|
#define GRUB_DATETIME_SET_SECOND 32
|
|
|
|
static grub_err_t
|
|
grub_cmd_date (grub_command_t cmd __attribute__ ((unused)),
|
|
int argc, char **args)
|
|
{
|
|
struct grub_datetime datetime;
|
|
int limit[6][2] = {{1980, 2079}, {1, 12}, {1, 31}, {0, 23}, {0, 59}, {0, 59}};
|
|
int value[6], mask;
|
|
|
|
if (argc == 0)
|
|
{
|
|
if (grub_get_datetime (&datetime))
|
|
return grub_errno;
|
|
|
|
grub_printf ("%d-%02d-%02d %02d:%02d:%02d %s\n",
|
|
datetime.year, datetime.month, datetime.day,
|
|
datetime.hour, datetime.minute, datetime.second,
|
|
grub_get_weekday_name (&datetime));
|
|
|
|
return 0;
|
|
}
|
|
|
|
grub_memset (&value, 0, sizeof (value));
|
|
mask = 0;
|
|
|
|
for (; argc; argc--, args++)
|
|
{
|
|
char *p, c;
|
|
int m1, ofs, n, cur_mask;
|
|
|
|
p = args[0];
|
|
m1 = grub_strtoul (p, &p, 10);
|
|
|
|
c = *p;
|
|
if (c == '-')
|
|
ofs = 0;
|
|
else if (c == ':')
|
|
ofs = 3;
|
|
else
|
|
goto fail;
|
|
|
|
value[ofs] = m1;
|
|
cur_mask = (1 << ofs);
|
|
mask &= ~(cur_mask * (1 + 2 + 4));
|
|
|
|
for (n = 1; (n < 3) && (*p); n++)
|
|
{
|
|
if (*p != c)
|
|
goto fail;
|
|
|
|
value[ofs + n] = grub_strtoul (p + 1, &p, 10);
|
|
cur_mask |= (1 << (ofs + n));
|
|
}
|
|
|
|
if (*p)
|
|
goto fail;
|
|
|
|
if ((ofs == 0) && (n == 2))
|
|
{
|
|
value[ofs + 2] = value[ofs + 1];
|
|
value[ofs + 1] = value[ofs];
|
|
ofs++;
|
|
cur_mask <<= 1;
|
|
}
|
|
|
|
for (; n; n--, ofs++)
|
|
if ((value [ofs] < limit[ofs][0]) ||
|
|
(value [ofs] > limit[ofs][1]))
|
|
goto fail;
|
|
|
|
mask |= cur_mask;
|
|
}
|
|
|
|
if (grub_get_datetime (&datetime))
|
|
return grub_errno;
|
|
|
|
if (mask & GRUB_DATETIME_SET_YEAR)
|
|
datetime.year = value[0];
|
|
|
|
if (mask & GRUB_DATETIME_SET_MONTH)
|
|
datetime.month = value[1];
|
|
|
|
if (mask & GRUB_DATETIME_SET_DAY)
|
|
datetime.day = value[2];
|
|
|
|
if (mask & GRUB_DATETIME_SET_HOUR)
|
|
datetime.hour = value[3];
|
|
|
|
if (mask & GRUB_DATETIME_SET_MINUTE)
|
|
datetime.minute = value[4];
|
|
|
|
if (mask & GRUB_DATETIME_SET_SECOND)
|
|
datetime.second = value[5];
|
|
|
|
return grub_set_datetime (&datetime);
|
|
|
|
fail:
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT, "invalid datetime");
|
|
}
|
|
|
|
static grub_command_t cmd;
|
|
|
|
GRUB_MOD_INIT(date)
|
|
{
|
|
cmd =
|
|
grub_register_command ("date", grub_cmd_date,
|
|
N_("[[year-]month-day] [hour:minute[:second]]"),
|
|
N_("Display/set current datetime."));
|
|
}
|
|
|
|
GRUB_MOD_FINI(date)
|
|
{
|
|
grub_unregister_command (cmd);
|
|
}
|