added grub-script-check tool

This commit is contained in:
BVK Chaitanya 2010-01-09 20:27:58 +05:30
parent b394b2cab8
commit 21a99f5804
2 changed files with 275 additions and 0 deletions

View file

@ -88,11 +88,32 @@ endif
bin_UTILITIES += grub-mkrelpath bin_UTILITIES += grub-mkrelpath
grub_mkrelpath_SOURCES = gnulib/progname.c util/grub-mkrelpath.c util/misc.c grub_mkrelpath_SOURCES = gnulib/progname.c util/grub-mkrelpath.c util/misc.c
# For grub-script-check.
bin_UTILITIES += grub-script-check
util/grub-script-check.c_DEPENDENCIES = grub_script_check_init.h
grub_script_check_SOURCES = gnulib/progname.c util/grub-script-check.c util/misc.c \
script/main.c script/script.c script/function.c script/lexer.c \
kern/handler.c kern/err.c kern/parser.c kern/list.c \
kern/misc.c kern/env.c grub_script_check_init.c grub_script.tab.c
# For the parser. # For the parser.
grub_script.tab.c grub_script.tab.h: script/parser.y grub_script.tab.c grub_script.tab.h: script/parser.y
$(YACC) -d -p grub_script_yy -b grub_script $(srcdir)/script/parser.y $(YACC) -d -p grub_script_yy -b grub_script $(srcdir)/script/parser.y
DISTCLEANFILES += grub_script.tab.c grub_script.tab.h DISTCLEANFILES += grub_script.tab.c grub_script.tab.h
# For grub-check.
grub_script_check_init.lst: geninit.sh $(filter-out grub_script_check_init.c,$(grub_script_check_SOURCES))
rm -f $@; grep GRUB_MOD_INIT $(filter %.c,$^) /dev/null > $@
DISTCLEANFILES += grub_script_check_init.lst
grub_script_check_init.h: grub_script_check_init.lst $(filter-out grub_script_check_init.c,$(grub_script_check_SOURCES)) geninitheader.sh
rm -f $@; sh $(srcdir)/geninitheader.sh $< > $@
DISTCLEANFILES += grub_script_check_init.h
grub_script_check_init.c: grub_script_check_init.lst $(filter-out grub_script_check_init.c,$(grub_script_check_SOURCES)) geninit.sh
rm -f $@; sh $(srcdir)/geninit.sh $< $(filter %.c,$^) > $@
DISTCLEANFILES += grub_script_check_init.c
# For grub-probe. # For grub-probe.
grub_probe_init.lst: geninit.sh $(filter-out grub_probe_init.c,$(grub_probe_SOURCES)) grub_probe_init.lst: geninit.sh $(filter-out grub_probe_init.c,$(grub_probe_SOURCES))
rm -f $@; grep GRUB_MOD_INIT $(filter %.c,$^) /dev/null > $@ rm -f $@; grep GRUB_MOD_INIT $(filter %.c,$^) /dev/null > $@

254
util/grub-script-check.c Normal file
View file

@ -0,0 +1,254 @@
/* grub-script-check.c - check grub script file for syntax errors */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2003,2004,2005,2006,2007,2008,2009 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 <config.h>
#include <grub/types.h>
#include <grub/mm.h>
#include <grub/misc.h>
#include <grub/i18n.h>
#include <grub/parser.h>
#include <grub/script_sh.h>
#include <grub_script_check_init.h>
#define _GNU_SOURCE 1
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include "progname.h"
void
grub_putchar (int c)
{
putchar (c);
}
int
grub_getkey (void)
{
return -1;
}
void
grub_refresh (void)
{
fflush (stdout);
}
struct grub_handler_class grub_term_input_class;
struct grub_handler_class grub_term_output_class;
char *
grub_script_execute_argument_to_string (struct grub_script_arg *arg __attribute__ ((unused)))
{
return 0;
}
grub_err_t
grub_script_execute_cmdline (struct grub_script_cmd *cmd __attribute__ ((unused)))
{
return 0;
}
grub_err_t
grub_script_execute_cmdblock (struct grub_script_cmd *cmd __attribute__ ((unused)))
{
return 0;
}
grub_err_t
grub_script_execute_cmdif (struct grub_script_cmd *cmd __attribute__ ((unused)))
{
return 0;
}
grub_err_t
grub_script_execute_menuentry (struct grub_script_cmd *cmd)
{
struct grub_script_cmd_menuentry *menu;
menu = (struct grub_script_cmd_menuentry *)cmd;
if (menu->sourcecode)
{
grub_free (menu->sourcecode);
menu->sourcecode = 0;
}
return 0;
}
grub_err_t
grub_script_execute (struct grub_script *script)
{
if (script == 0 || script->cmd == 0)
return 0;
return script->cmd->exec (script->cmd);
}
static struct option options[] =
{
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{"verbose", no_argument, 0, 'v'},
{0, 0, 0, 0}
};
static void
usage (int status)
{
if (status)
fprintf (stderr,
"Try ``%s --help'' for more information.\n", program_name);
else
printf ("\
Usage: %s [PATH]\n\
\n\
Checks GRUB script configuration file for syntax errors.\n\
\n\
-h, --help display this message and exit\n\
-V, --version print version information and exit\n\
-v, --verbose print script being processed\n\
\n\
Report bugs to <%s>.\n\
", program_name,
PACKAGE_BUGREPORT);
exit (status);
}
int
main (int argc, char *argv[])
{
char *argument;
char *input;
FILE *file = 0;
int verbose = 0;
struct grub_script *script;
auto grub_err_t get_config_line (char **line, int cont);
grub_err_t get_config_line (char **line, int cont __attribute__ ((unused)))
{
char *cmdline = 0;
size_t len = 0;
ssize_t read;
read = getline(&cmdline, &len, (file ?: stdin));
if (read == -1)
{
*line = 0;
grub_errno = GRUB_ERR_READ_ERROR;
if (cmdline)
free (cmdline);
return grub_errno;
}
if (verbose)
grub_printf("%s", cmdline);
*line = grub_strdup (cmdline);
free (cmdline);
return 0;
}
set_program_name (argv[0]);
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
/* Check for options. */
while (1)
{
int c = getopt_long (argc, argv, "hvV", options, 0);
if (c == -1)
break;
else
switch (c)
{
case 'h':
usage (0);
break;
case 'V':
printf ("%s (%s) %s\n", program_name, PACKAGE_NAME, PACKAGE_VERSION);
return 0;
case 'v':
verbose = 1;
break;
default:
usage (1);
break;
}
}
/* Obtain ARGUMENT. */
if (optind >= argc)
{
file = 0; // read from stdin
}
else if (optind + 1 != argc)
{
fprintf (stderr, "Unknown extra argument `%s'.\n", argv[optind + 1]);
usage (1);
}
else
{
argument = argv[optind];
file = fopen (argument, "r");
if (! file)
{
fprintf (stderr, "%s: %s: %s\n", program_name, argument, strerror(errno));
usage (1);
}
}
/* Initialize all modules. */
grub_init_all ();
do
{
input = 0;
get_config_line(&input, 0);
if (! input)
break;
script = grub_script_parse (input, get_config_line);
if (script)
{
grub_script_execute (script);
grub_script_free (script);
}
grub_free (input);
} while (script != 0);
/* Free resources. */
grub_fini_all ();
if (file) fclose (file);
return (script == 0);
}