grub/util/grub-script-check.c

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/* grub-script-check.c - check grub script file for syntax errors */
/*
* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2009,2010 Free Software Foundation, Inc.
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*
* 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 <config.h>
#include <grub/types.h>
#include <grub/mm.h>
#include <grub/misc.h>
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#include <grub/emu/misc.h>
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#include <grub/util/misc.h>
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#include <grub/i18n.h>
#include <grub/parser.h>
#include <grub/script_sh.h>
#define _GNU_SOURCE 1
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <argp.h>
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#include "progname.h"
struct arguments
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{
int verbose;
char *filename;
};
static struct argp_option options[] = {
Clarify and unify messages. * grub-core/commands/hashsum.c (options): Unify messages. * grub-core/commands/keystatus.c (GRUB_MOD_INIT): Don't mark a literal-only message as translatable. * grub-core/commands/lsacpi.c (GRUB_MOD_INIT): Likewise. * grub-core/loader/ia64/efi/linux.c (GRUB_MOD_INIT): Likewise. * grub-core/commands/legacycfg.c (GRUB_MOD_INIT): Add quoting around commands. * grub-core/commands/menuentry.c (options): Clarify that it's a keyboard key, not the key used to unlock. Clarify what it's used for. * grub-core/kern/emu/hostdisk.c (read_device_map): Unify error message. * grub-core/loader/xnu.c (grub_xnu_load_driver): Remove erroneous colon. * grub-core/script/main.c (GRUB_MOD_INIT): Clarify [n] to be [NUM]. * util/grub-editenv.c (options): Unify "verbose" message. * util/grub-fstest.c (read_file): Unify error message. (fstest): Add quotes around commands. (options): Unify "verbose" message. * util/grub-install.in: Add quotes around variable name. * util/grub-kbdcomp.in: Unify error message. * util/grub-mkfont.c (main): Likewise. * util/grub-mkrescue.in: Likewise. * util/grub-mklayout.c (options): Unify "verbose" message. * util/grub-mkstandalone.in: Unify help and verbose messages. * util/grub-mount.c (options): Unify "verbose" message. * util/grub-probe.c (options): Likewise. * util/grub-script-check.c (options): Likewise. * util/grub-setup.c (setup): Unify no-terminator message. (options): Use DEVICE and not DEV. Unify "verbose" message. * util/ieee1275/ofpath.c (xrealpath): Unify error message.
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{"verbose", 'v', 0, 0, N_("print verbose messages."), 0},
{ 0, 0, 0, 0, 0, 0 }
};
static error_t
argp_parser (int key, char *arg, struct argp_state *state)
{
/* Get the input argument from argp_parse, which we
know is a pointer to our arguments structure. */
struct arguments *arguments = state->input;
switch (key)
{
case 'v':
arguments->verbose = 1;
break;
case ARGP_KEY_ARG:
if (state->arg_num == 0)
arguments->filename = xstrdup (arg);
else
{
/* Too many arguments. */
fprintf (stderr, _("Unknown extra argument `%s'.\n"), arg);
argp_usage (state);
}
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
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}
static struct argp argp = {
options, argp_parser, N_("[PATH]"),
N_("Checks GRUB script configuration file for syntax errors."),
NULL, NULL, NULL
};
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int
main (int argc, char *argv[])
{
char *input;
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int lineno = 0;
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FILE *file = 0;
struct arguments arguments;
int found_input = 0;
struct grub_script *script = NULL;
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auto grub_err_t get_config_line (char **line, int cont);
grub_err_t get_config_line (char **line, int cont __attribute__ ((unused)))
{
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int i;
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char *cmdline = 0;
size_t len = 0;
ssize_t curread;
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curread = getline(&cmdline, &len, (file ?: stdin));
if (curread == -1)
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{
*line = 0;
grub_errno = GRUB_ERR_READ_ERROR;
if (cmdline)
free (cmdline);
return grub_errno;
}
if (arguments.verbose)
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grub_printf("%s", cmdline);
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for (i = 0; cmdline[i] != '\0'; i++)
{
/* Replace tabs and carriage returns with spaces. */
if (cmdline[i] == '\t' || cmdline[i] == '\r')
cmdline[i] = ' ';
/* Replace '\n' with '\0'. */
if (cmdline[i] == '\n')
cmdline[i] = '\0';
}
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lineno++;
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*line = grub_strdup (cmdline);
free (cmdline);
return 0;
}
set_program_name (argv[0]);
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grub_util_init_nls ();
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memset (&arguments, 0, sizeof (struct arguments));
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/* Check for options. */
if (argp_parse (&argp, argc, argv, 0, 0, &arguments) != 0)
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{
fprintf (stderr, "%s", _("Error in parsing command line arguments\n"));
exit(1);
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}
/* Obtain ARGUMENT. */
if (!arguments.filename)
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{
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file = 0; /* read from stdin */
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}
else
{
file = fopen (arguments.filename, "r");
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if (! file)
{
char *program = xstrdup(program_name);
fprintf (stderr, "%s: %s: %s\n", program_name,
arguments.filename, strerror(errno));
argp_help (&argp, stderr, ARGP_HELP_STD_USAGE, program);
free(program);
exit(1);
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}
}
do
{
input = 0;
get_config_line(&input, 0);
if (! input)
break;
found_input = 1;
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script = grub_script_parse (input, get_config_line);
if (script)
{
grub_script_execute (script);
grub_script_free (script);
}
grub_free (input);
} while (script != 0);
if (file) fclose (file);
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if (found_input && script == 0)
{
* grub-core/commands/acpihalt.c: Gettextized. * grub-core/commands/cacheinfo.c: Likewise. * grub-core/commands/cmp.c: Likewise. * grub-core/commands/efi/loadbios.c: Likewise. * grub-core/commands/gptsync.c: Likewise. * grub-core/commands/ieee1275/suspend.c: Likewise. * grub-core/commands/legacycfg.c: Likewise. * grub-core/commands/memrw.c: Likewise. * grub-core/commands/minicmd.c: Likewise. * grub-core/commands/parttool.c: Likewise. * grub-core/commands/time.c: Likewise. * grub-core/commands/videoinfo.c: Likewise. * grub-core/disk/geli.c: Likewise. * grub-core/disk/i386/pc/biosdisk.c: Likewise. * grub-core/disk/luks.c: Likewise. * grub-core/disk/lvm.c: Likewise. * grub-core/font/font_cmd.c: Likewise. * grub-core/fs/zfs/zfscrypt.c: Likewise. * grub-core/fs/zfs/zfsinfo.c: Likewise. * grub-core/gfxmenu/view.c: Likewise. * grub-core/kern/emu/hostdisk.c: Likewise. * grub-core/kern/emu/main.c: Likewise. * grub-core/kern/emu/misc.c: Likewise. * grub-core/kern/emu/mm.c: Likewise. * grub-core/kern/mips/arc/init.c: Likewise. * grub-core/kern/mips/loongson/init.c: Likewise. * grub-core/kern/partition.c: Likewise. * grub-core/lib/i386/halt.c: Likewise. * grub-core/lib/mips/arc/reboot.c: Likewise. * grub-core/lib/mips/loongson/reboot.c: Likewise. * grub-core/loader/i386/pc/chainloader.c: Likewise. * grub-core/loader/i386/xnu.c: Likewise. * grub-core/loader/multiboot.c: Likewise. * grub-core/net/bootp.c: Likewise. * grub-core/net/net.c: Likewise. * grub-core/normal/term.c: Likewise. * grub-core/partmap/bsdlabel.c: Likewise. * grub-core/parttool/msdospart.c: Likewise. * grub-core/term/gfxterm.c: Likewise. * grub-core/term/terminfo.c: Likewise. * grub-core/video/i386/pc/vbe.c: Likewise. * util/grub-menulst2cfg.c: Likewise. * util/grub-mkdevicemap.c: Likewise. * util/grub-mklayout.c: Likewise. * util/grub-mkrelpath.c: Likewise. * util/grub-script-check.c: Likewise. * util/ieee1275/grub-ofpathname.c: Likewise. * util/resolve.c: Likewise.
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fprintf (stderr, _("error: line no: %u\n"), lineno);
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return 1;
}
return 0;
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}