added grub-script-check tool
This commit is contained in:
BVK Chaitanya
parent
b394b2cab8
commit
21a99f5804
2 changed files with 275 additions and 0 deletions
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@ -88,11 +88,32 @@ endif
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bin_UTILITIES += grub-mkrelpath
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grub_mkrelpath_SOURCES = gnulib/progname.c util/grub-mkrelpath.c util/misc.c
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# For grub-script-check.
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bin_UTILITIES += grub-script-check
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util/grub-script-check.c_DEPENDENCIES = grub_script_check_init.h
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grub_script_check_SOURCES = gnulib/progname.c util/grub-script-check.c util/misc.c \
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script/main.c script/script.c script/function.c script/lexer.c \
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kern/handler.c kern/err.c kern/parser.c kern/list.c \
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kern/misc.c kern/env.c grub_script_check_init.c grub_script.tab.c
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# For the parser.
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grub_script.tab.c grub_script.tab.h: script/parser.y
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$(YACC) -d -p grub_script_yy -b grub_script $(srcdir)/script/parser.y
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DISTCLEANFILES += grub_script.tab.c grub_script.tab.h
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# For grub-check.
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grub_script_check_init.lst: geninit.sh $(filter-out grub_script_check_init.c,$(grub_script_check_SOURCES))
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rm -f $@; grep GRUB_MOD_INIT $(filter %.c,$^) /dev/null > $@
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DISTCLEANFILES += grub_script_check_init.lst
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grub_script_check_init.h: grub_script_check_init.lst $(filter-out grub_script_check_init.c,$(grub_script_check_SOURCES)) geninitheader.sh
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rm -f $@; sh $(srcdir)/geninitheader.sh $< > $@
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DISTCLEANFILES += grub_script_check_init.h
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grub_script_check_init.c: grub_script_check_init.lst $(filter-out grub_script_check_init.c,$(grub_script_check_SOURCES)) geninit.sh
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rm -f $@; sh $(srcdir)/geninit.sh $< $(filter %.c,$^) > $@
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DISTCLEANFILES += grub_script_check_init.c
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# For grub-probe.
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grub_probe_init.lst: geninit.sh $(filter-out grub_probe_init.c,$(grub_probe_SOURCES))
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rm -f $@; grep GRUB_MOD_INIT $(filter %.c,$^) /dev/null > $@
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254
util/grub-script-check.c
Normal file
254
util/grub-script-check.c
Normal file
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@ -0,0 +1,254 @@
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/* grub-script-check.c - check grub script file for syntax errors */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <grub/types.h>
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#include <grub/mm.h>
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#include <grub/misc.h>
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#include <grub/i18n.h>
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#include <grub/parser.h>
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#include <grub/script_sh.h>
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#include <grub_script_check_init.h>
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#define _GNU_SOURCE 1
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#include <ctype.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <getopt.h>
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#include "progname.h"
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void
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grub_putchar (int c)
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{
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putchar (c);
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}
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int
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grub_getkey (void)
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{
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return -1;
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}
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void
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grub_refresh (void)
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{
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fflush (stdout);
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}
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struct grub_handler_class grub_term_input_class;
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struct grub_handler_class grub_term_output_class;
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char *
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grub_script_execute_argument_to_string (struct grub_script_arg *arg __attribute__ ((unused)))
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{
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return 0;
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}
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grub_err_t
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grub_script_execute_cmdline (struct grub_script_cmd *cmd __attribute__ ((unused)))
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{
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return 0;
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}
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grub_err_t
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grub_script_execute_cmdblock (struct grub_script_cmd *cmd __attribute__ ((unused)))
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{
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return 0;
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}
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grub_err_t
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grub_script_execute_cmdif (struct grub_script_cmd *cmd __attribute__ ((unused)))
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{
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return 0;
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}
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grub_err_t
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grub_script_execute_menuentry (struct grub_script_cmd *cmd)
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{
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struct grub_script_cmd_menuentry *menu;
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menu = (struct grub_script_cmd_menuentry *)cmd;
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if (menu->sourcecode)
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{
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grub_free (menu->sourcecode);
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menu->sourcecode = 0;
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}
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return 0;
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}
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grub_err_t
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grub_script_execute (struct grub_script *script)
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{
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if (script == 0 || script->cmd == 0)
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return 0;
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return script->cmd->exec (script->cmd);
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}
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static struct option options[] =
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{
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{"help", no_argument, 0, 'h'},
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{"version", no_argument, 0, 'V'},
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{"verbose", no_argument, 0, 'v'},
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{0, 0, 0, 0}
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};
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static void
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usage (int status)
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{
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if (status)
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fprintf (stderr,
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"Try ``%s --help'' for more information.\n", program_name);
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else
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printf ("\
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Usage: %s [PATH]\n\
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\n\
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Checks GRUB script configuration file for syntax errors.\n\
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\n\
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-h, --help display this message and exit\n\
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-V, --version print version information and exit\n\
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-v, --verbose print script being processed\n\
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\n\
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Report bugs to <%s>.\n\
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", program_name,
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PACKAGE_BUGREPORT);
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exit (status);
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}
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int
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main (int argc, char *argv[])
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{
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char *argument;
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char *input;
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FILE *file = 0;
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int verbose = 0;
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struct grub_script *script;
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auto grub_err_t get_config_line (char **line, int cont);
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grub_err_t get_config_line (char **line, int cont __attribute__ ((unused)))
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{
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char *cmdline = 0;
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size_t len = 0;
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ssize_t read;
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read = getline(&cmdline, &len, (file ?: stdin));
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if (read == -1)
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{
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*line = 0;
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grub_errno = GRUB_ERR_READ_ERROR;
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if (cmdline)
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free (cmdline);
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return grub_errno;
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}
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if (verbose)
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grub_printf("%s", cmdline);
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*line = grub_strdup (cmdline);
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free (cmdline);
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return 0;
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}
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set_program_name (argv[0]);
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setlocale (LC_ALL, "");
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bindtextdomain (PACKAGE, LOCALEDIR);
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textdomain (PACKAGE);
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/* Check for options. */
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while (1)
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{
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int c = getopt_long (argc, argv, "hvV", options, 0);
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if (c == -1)
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break;
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else
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switch (c)
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{
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case 'h':
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usage (0);
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break;
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case 'V':
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printf ("%s (%s) %s\n", program_name, PACKAGE_NAME, PACKAGE_VERSION);
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return 0;
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case 'v':
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verbose = 1;
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break;
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default:
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usage (1);
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break;
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}
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}
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/* Obtain ARGUMENT. */
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if (optind >= argc)
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{
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file = 0; // read from stdin
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}
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else if (optind + 1 != argc)
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{
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fprintf (stderr, "Unknown extra argument `%s'.\n", argv[optind + 1]);
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usage (1);
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}
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else
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{
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argument = argv[optind];
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file = fopen (argument, "r");
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if (! file)
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{
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fprintf (stderr, "%s: %s: %s\n", program_name, argument, strerror(errno));
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usage (1);
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}
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}
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/* Initialize all modules. */
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grub_init_all ();
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do
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{
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input = 0;
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get_config_line(&input, 0);
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if (! input)
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break;
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script = grub_script_parse (input, get_config_line);
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if (script)
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{
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grub_script_execute (script);
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grub_script_free (script);
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}
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grub_free (input);
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} while (script != 0);
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/* Free resources. */
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grub_fini_all ();
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if (file) fclose (file);
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return (script == 0);
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}
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