2010-05-12 13:19:01 +00:00
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/*
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* GRUB -- GRand Unified Bootloader
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2010-09-11 23:07:41 +00:00
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* Copyright (C) 2000, 2001, 2010 Free Software Foundation, Inc.
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2010-05-12 13:19:01 +00:00
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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 <grub/types.h>
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#include <grub/misc.h>
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#include <grub/command.h>
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#include <grub/mm.h>
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#include <grub/err.h>
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#include <grub/dl.h>
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#include <grub/file.h>
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#include <grub/normal.h>
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#include <grub/script_sh.h>
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#include <grub/i18n.h>
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2010-05-12 15:51:22 +00:00
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#include <grub/term.h>
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2010-08-27 18:04:49 +00:00
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#include <grub/legacy_parse.h>
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2010-09-11 23:07:41 +00:00
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#include <grub/crypto.h>
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#include <grub/auth.h>
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2010-09-12 12:01:02 +00:00
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#include <grub/disk.h>
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#include <grub/partition.h>
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2010-05-12 13:19:01 +00:00
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2011-04-11 21:01:51 +00:00
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GRUB_MOD_LICENSE ("GPLv3+");
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2012-12-31 17:31:38 +00:00
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/* Helper for legacy_file. */
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static grub_err_t
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2013-01-15 12:03:25 +00:00
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legacy_file_getline (char **line, int cont __attribute__ ((unused)),
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void *data __attribute__ ((unused)))
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2012-12-31 17:31:38 +00:00
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{
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*line = 0;
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return GRUB_ERR_NONE;
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}
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2010-05-12 13:19:01 +00:00
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static grub_err_t
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legacy_file (const char *filename)
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{
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grub_file_t file;
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char *entryname = NULL, *entrysrc = NULL;
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grub_menu_t menu;
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2010-09-12 00:55:24 +00:00
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char *suffix = grub_strdup ("");
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if (!suffix)
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return grub_errno;
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2010-05-12 13:19:01 +00:00
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2013-11-20 01:28:29 +00:00
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file = grub_file_open (filename, GRUB_FILE_TYPE_CONFIG);
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2010-05-12 13:19:01 +00:00
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if (! file)
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2015-01-24 20:06:23 +00:00
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{
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grub_free (suffix);
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return grub_errno;
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}
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2010-05-12 13:19:01 +00:00
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menu = grub_env_get_menu ();
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if (! menu)
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{
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menu = grub_zalloc (sizeof (*menu));
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if (! menu)
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2015-01-24 20:06:23 +00:00
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{
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grub_free (suffix);
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return grub_errno;
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}
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2010-05-12 13:19:01 +00:00
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grub_env_set_menu (menu);
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}
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while (1)
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{
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char *buf = grub_file_getline (file);
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2010-09-12 12:01:02 +00:00
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char *parsed = NULL;
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2010-05-12 13:19:01 +00:00
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if (!buf && grub_errno)
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{
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grub_file_close (file);
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2015-01-24 20:06:23 +00:00
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grub_free (suffix);
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2010-05-12 13:19:01 +00:00
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return grub_errno;
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}
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if (!buf)
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break;
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{
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char *oldname = NULL;
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2010-09-12 13:50:52 +00:00
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char *newsuffix;
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2011-01-10 18:25:00 +00:00
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char *ptr;
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for (ptr = buf; *ptr && grub_isspace (*ptr); ptr++);
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2010-05-12 13:19:01 +00:00
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oldname = entryname;
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2011-01-10 18:25:00 +00:00
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parsed = grub_legacy_parse (ptr, &entryname, &newsuffix);
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grub_free (buf);
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2010-09-12 12:01:02 +00:00
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buf = NULL;
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2010-09-12 13:50:52 +00:00
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if (newsuffix)
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2010-09-12 00:55:24 +00:00
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{
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char *t;
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t = suffix;
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suffix = grub_realloc (suffix, grub_strlen (suffix)
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2010-09-12 13:50:52 +00:00
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+ grub_strlen (newsuffix) + 1);
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2010-09-12 00:55:24 +00:00
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if (!suffix)
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{
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grub_free (t);
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grub_free (entrysrc);
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grub_free (parsed);
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2010-09-12 13:50:52 +00:00
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grub_free (newsuffix);
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2010-09-12 00:55:24 +00:00
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grub_free (suffix);
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return grub_errno;
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}
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2010-09-12 13:50:52 +00:00
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grub_memcpy (suffix + grub_strlen (suffix), newsuffix,
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grub_strlen (newsuffix) + 1);
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grub_free (newsuffix);
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newsuffix = NULL;
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2010-09-12 00:55:24 +00:00
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}
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2010-05-12 13:19:01 +00:00
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if (oldname != entryname && oldname)
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{
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const char **args = grub_malloc (sizeof (args[0]));
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if (!args)
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{
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grub_file_close (file);
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return grub_errno;
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}
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args[0] = oldname;
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2012-05-02 08:26:09 +00:00
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grub_normal_add_menu_entry (1, args, NULL, NULL, "legacy",
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NULL, NULL,
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2010-09-20 22:47:49 +00:00
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entrysrc, 0);
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2010-09-12 12:01:02 +00:00
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grub_free (args);
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entrysrc[0] = 0;
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grub_free (oldname);
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2010-05-12 13:19:01 +00:00
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}
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}
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if (parsed && !entryname)
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{
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2013-01-15 12:03:25 +00:00
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grub_normal_parse_line (parsed, legacy_file_getline, NULL);
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2010-05-12 16:13:43 +00:00
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grub_print_error ();
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2010-05-12 13:19:01 +00:00
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grub_free (parsed);
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2010-09-12 12:01:02 +00:00
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parsed = NULL;
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2010-05-12 13:19:01 +00:00
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}
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else if (parsed)
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{
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if (!entrysrc)
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entrysrc = parsed;
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else
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{
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char *t;
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t = entrysrc;
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entrysrc = grub_realloc (entrysrc, grub_strlen (entrysrc)
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+ grub_strlen (parsed) + 1);
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if (!entrysrc)
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{
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grub_free (t);
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grub_free (parsed);
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2010-09-12 00:55:24 +00:00
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grub_free (suffix);
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2010-05-12 13:19:01 +00:00
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return grub_errno;
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}
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2010-05-12 15:51:22 +00:00
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grub_memcpy (entrysrc + grub_strlen (entrysrc), parsed,
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2010-05-12 13:19:01 +00:00
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grub_strlen (parsed) + 1);
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grub_free (parsed);
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parsed = NULL;
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}
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}
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}
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grub_file_close (file);
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if (entryname)
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{
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const char **args = grub_malloc (sizeof (args[0]));
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if (!args)
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{
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grub_file_close (file);
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2015-01-24 20:06:23 +00:00
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grub_free (suffix);
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grub_free (entrysrc);
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2010-05-12 13:19:01 +00:00
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return grub_errno;
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}
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args[0] = entryname;
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2012-03-04 13:55:13 +00:00
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grub_normal_add_menu_entry (1, args, NULL, NULL, NULL,
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NULL, NULL, entrysrc, 0);
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2010-09-12 12:01:02 +00:00
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grub_free (args);
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2010-05-12 13:19:01 +00:00
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}
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2013-01-15 12:03:25 +00:00
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grub_normal_parse_line (suffix, legacy_file_getline, NULL);
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2010-09-12 00:55:24 +00:00
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grub_print_error ();
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grub_free (suffix);
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2010-09-12 12:01:02 +00:00
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grub_free (entrysrc);
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2010-09-12 00:55:24 +00:00
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2010-05-12 13:19:01 +00:00
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return GRUB_ERR_NONE;
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}
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static grub_err_t
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2010-09-20 21:10:29 +00:00
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grub_cmd_legacy_source (struct grub_command *cmd,
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2010-05-12 13:19:01 +00:00
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int argc, char **args)
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{
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2010-09-20 21:10:29 +00:00
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int new_env, extractor;
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2010-05-12 13:19:01 +00:00
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grub_err_t ret;
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2010-09-20 21:10:29 +00:00
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2010-05-12 13:19:01 +00:00
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if (argc != 1)
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2012-02-08 18:26:01 +00:00
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return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
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2010-05-12 13:19:01 +00:00
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2010-09-20 21:10:29 +00:00
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extractor = (cmd->name[0] == 'e');
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2010-11-17 07:41:18 +00:00
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new_env = (cmd->name[extractor ? (sizeof ("extract_legacy_entries_") - 1)
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: (sizeof ("legacy_") - 1)] == 'c');
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2010-09-20 21:10:29 +00:00
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if (new_env)
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grub_cls ();
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if (new_env && !extractor)
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grub_env_context_open ();
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if (extractor)
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grub_env_extractor_open (!new_env);
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2010-05-12 13:19:01 +00:00
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ret = legacy_file (args[0]);
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2010-09-20 21:10:29 +00:00
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2010-11-17 07:41:18 +00:00
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if (new_env)
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{
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grub_menu_t menu;
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menu = grub_env_get_menu ();
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if (menu && menu->size)
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2011-01-10 22:27:58 +00:00
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grub_show_menu (menu, 1, 0);
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2010-11-17 07:41:18 +00:00
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if (!extractor)
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grub_env_context_close ();
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}
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2010-09-20 21:10:29 +00:00
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if (extractor)
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grub_env_extractor_close (!new_env);
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2010-05-12 13:19:01 +00:00
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return ret;
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}
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2010-08-27 19:27:26 +00:00
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static enum
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{
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GUESS_IT, LINUX, MULTIBOOT, KFREEBSD, KNETBSD, KOPENBSD
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} kernel_type;
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static grub_err_t
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grub_cmd_legacy_kernel (struct grub_command *mycmd __attribute__ ((unused)),
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int argc, char **args)
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{
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int i;
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2010-10-16 20:16:52 +00:00
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#ifdef TODO
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2010-08-27 19:27:26 +00:00
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int no_mem_option = 0;
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2010-10-16 20:16:52 +00:00
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#endif
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2010-08-27 19:27:26 +00:00
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struct grub_command *cmd;
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2010-09-11 20:18:41 +00:00
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char **cutargs;
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int cutargc;
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2016-01-16 17:34:02 +00:00
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grub_err_t err = GRUB_ERR_NONE;
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2010-09-12 12:01:02 +00:00
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2010-08-27 19:27:26 +00:00
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for (i = 0; i < 2; i++)
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{
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/* FIXME: really support this. */
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if (argc >= 1 && grub_strcmp (args[0], "--no-mem-option") == 0)
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{
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2010-10-16 20:16:52 +00:00
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#ifdef TODO
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2010-08-27 19:27:26 +00:00
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no_mem_option = 1;
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2010-10-16 20:16:52 +00:00
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#endif
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2010-08-27 19:27:26 +00:00
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argc--;
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args++;
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continue;
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}
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2010-08-27 20:34:25 +00:00
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/* linux16 handles both zImages and bzImages. */
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2010-08-27 19:27:26 +00:00
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if (argc >= 1 && (grub_strcmp (args[0], "--type=linux") == 0
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|| grub_strcmp (args[0], "--type=biglinux") == 0))
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{
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kernel_type = LINUX;
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argc--;
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args++;
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continue;
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}
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if (argc >= 1 && grub_strcmp (args[0], "--type=multiboot") == 0)
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{
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kernel_type = MULTIBOOT;
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argc--;
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args++;
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continue;
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}
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if (argc >= 1 && grub_strcmp (args[0], "--type=freebsd") == 0)
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{
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kernel_type = KFREEBSD;
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argc--;
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args++;
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continue;
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}
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if (argc >= 1 && grub_strcmp (args[0], "--type=openbsd") == 0)
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{
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kernel_type = KOPENBSD;
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argc--;
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args++;
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continue;
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}
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if (argc >= 1 && grub_strcmp (args[0], "--type=netbsd") == 0)
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{
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kernel_type = KNETBSD;
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argc--;
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args++;
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continue;
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}
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}
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|
2010-09-11 20:18:41 +00:00
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if (argc < 2)
|
2012-02-08 18:26:01 +00:00
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return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
|
2010-08-27 19:27:26 +00:00
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|
2020-06-15 16:26:01 +00:00
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cutargs = grub_calloc (argc - 1, sizeof (cutargs[0]));
|
2016-01-16 17:34:02 +00:00
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|
if (!cutargs)
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return grub_errno;
|
2010-09-11 20:18:41 +00:00
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cutargc = argc - 1;
|
2010-09-11 20:39:55 +00:00
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grub_memcpy (cutargs + 1, args + 2, sizeof (cutargs[0]) * (argc - 2));
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2010-09-11 20:18:41 +00:00
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|
cutargs[0] = args[0];
|
|
|
|
|
2010-08-27 19:27:26 +00:00
|
|
|
do
|
|
|
|
{
|
|
|
|
/* First try Linux. */
|
|
|
|
if (kernel_type == GUESS_IT || kernel_type == LINUX)
|
|
|
|
{
|
2013-12-18 04:21:06 +00:00
|
|
|
#ifdef GRUB_MACHINE_PCBIOS
|
2010-08-27 19:27:26 +00:00
|
|
|
cmd = grub_command_find ("linux16");
|
2013-12-18 04:21:06 +00:00
|
|
|
#else
|
|
|
|
cmd = grub_command_find ("linux");
|
|
|
|
#endif
|
2010-08-27 19:27:26 +00:00
|
|
|
if (cmd)
|
|
|
|
{
|
2010-09-11 20:18:41 +00:00
|
|
|
if (!(cmd->func) (cmd, cutargc, cutargs))
|
2010-08-27 19:27:26 +00:00
|
|
|
{
|
|
|
|
kernel_type = LINUX;
|
2016-01-16 17:34:02 +00:00
|
|
|
goto out;
|
2010-08-27 19:27:26 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
grub_errno = GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Then multiboot. */
|
|
|
|
if (kernel_type == GUESS_IT || kernel_type == MULTIBOOT)
|
|
|
|
{
|
|
|
|
cmd = grub_command_find ("multiboot");
|
|
|
|
if (cmd)
|
|
|
|
{
|
|
|
|
if (!(cmd->func) (cmd, argc, args))
|
|
|
|
{
|
|
|
|
kernel_type = MULTIBOOT;
|
2016-01-16 17:34:02 +00:00
|
|
|
goto out;
|
2010-08-27 19:27:26 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
grub_errno = GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
|
2010-09-12 12:01:02 +00:00
|
|
|
{
|
|
|
|
int bsd_device = -1;
|
|
|
|
int bsd_slice = -1;
|
|
|
|
int bsd_part = -1;
|
2010-08-27 19:27:26 +00:00
|
|
|
{
|
2010-09-12 12:01:02 +00:00
|
|
|
grub_device_t dev;
|
2011-11-11 19:34:37 +00:00
|
|
|
const char *hdbiasstr;
|
2010-09-12 12:01:02 +00:00
|
|
|
int hdbias = 0;
|
|
|
|
hdbiasstr = grub_env_get ("legacy_hdbias");
|
|
|
|
if (hdbiasstr)
|
2010-08-27 19:27:26 +00:00
|
|
|
{
|
2010-09-12 12:01:02 +00:00
|
|
|
hdbias = grub_strtoul (hdbiasstr, 0, 0);
|
|
|
|
grub_errno = GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
dev = grub_device_open (0);
|
|
|
|
if (dev && dev->disk
|
|
|
|
&& dev->disk->dev->id == GRUB_DISK_DEVICE_BIOSDISK_ID
|
2013-11-06 23:46:44 +00:00
|
|
|
&& dev->disk->id >= 0x80 && dev->disk->id <= 0x90)
|
2010-09-12 12:01:02 +00:00
|
|
|
{
|
|
|
|
struct grub_partition *part = dev->disk->partition;
|
|
|
|
bsd_device = dev->disk->id - 0x80 - hdbias;
|
|
|
|
if (part && (grub_strcmp (part->partmap->name, "netbsd") == 0
|
|
|
|
|| grub_strcmp (part->partmap->name, "openbsd") == 0
|
|
|
|
|| grub_strcmp (part->partmap->name, "bsd") == 0))
|
2010-08-27 19:27:26 +00:00
|
|
|
{
|
2010-09-12 12:01:02 +00:00
|
|
|
bsd_part = part->number;
|
|
|
|
part = part->parent;
|
2010-08-27 19:27:26 +00:00
|
|
|
}
|
2010-09-12 12:01:02 +00:00
|
|
|
if (part && grub_strcmp (part->partmap->name, "msdos") == 0)
|
|
|
|
bsd_slice = part->number;
|
2010-08-27 19:27:26 +00:00
|
|
|
}
|
2015-01-24 20:06:23 +00:00
|
|
|
if (dev)
|
|
|
|
grub_device_close (dev);
|
2010-08-27 19:27:26 +00:00
|
|
|
}
|
2010-09-12 12:01:02 +00:00
|
|
|
|
|
|
|
/* k*BSD didn't really work well with grub-legacy. */
|
|
|
|
if (kernel_type == GUESS_IT || kernel_type == KFREEBSD)
|
|
|
|
{
|
|
|
|
char buf[sizeof("adXXXXXXXXXXXXsXXXXXXXXXXXXYYY")];
|
|
|
|
if (bsd_device != -1)
|
|
|
|
{
|
|
|
|
if (bsd_slice != -1 && bsd_part != -1)
|
|
|
|
grub_snprintf(buf, sizeof(buf), "ad%ds%d%c", bsd_device,
|
|
|
|
bsd_slice, 'a' + bsd_part);
|
|
|
|
else if (bsd_slice != -1)
|
|
|
|
grub_snprintf(buf, sizeof(buf), "ad%ds%d", bsd_device,
|
|
|
|
bsd_slice);
|
|
|
|
else
|
|
|
|
grub_snprintf(buf, sizeof(buf), "ad%d", bsd_device);
|
|
|
|
grub_env_set ("kFreeBSD.vfs.root.mountfrom", buf);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
grub_env_unset ("kFreeBSD.vfs.root.mountfrom");
|
|
|
|
cmd = grub_command_find ("kfreebsd");
|
|
|
|
if (cmd)
|
|
|
|
{
|
|
|
|
if (!(cmd->func) (cmd, cutargc, cutargs))
|
|
|
|
{
|
|
|
|
kernel_type = KFREEBSD;
|
2016-01-16 17:34:02 +00:00
|
|
|
goto out;
|
2010-09-12 12:01:02 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
grub_errno = GRUB_ERR_NONE;
|
|
|
|
}
|
2010-08-27 19:27:26 +00:00
|
|
|
{
|
2010-09-12 12:01:02 +00:00
|
|
|
char **bsdargs;
|
|
|
|
int bsdargc;
|
|
|
|
char bsddevname[sizeof ("wdXXXXXXXXXXXXY")];
|
2016-01-16 17:34:02 +00:00
|
|
|
int found = 0;
|
|
|
|
|
2010-09-12 12:01:02 +00:00
|
|
|
if (bsd_device == -1)
|
2010-08-27 19:27:26 +00:00
|
|
|
{
|
2010-09-12 12:01:02 +00:00
|
|
|
bsdargs = cutargs;
|
|
|
|
bsdargc = cutargc;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2012-02-10 13:30:19 +00:00
|
|
|
char rbuf[3] = "-r";
|
2010-09-12 12:01:02 +00:00
|
|
|
bsdargc = cutargc + 2;
|
2020-06-15 16:26:01 +00:00
|
|
|
bsdargs = grub_calloc (bsdargc, sizeof (bsdargs[0]));
|
2016-01-16 17:34:02 +00:00
|
|
|
if (!bsdargs)
|
|
|
|
{
|
|
|
|
err = grub_errno;
|
|
|
|
goto out;
|
|
|
|
}
|
2010-09-12 12:01:02 +00:00
|
|
|
grub_memcpy (bsdargs, args, argc * sizeof (bsdargs[0]));
|
2012-02-10 13:30:19 +00:00
|
|
|
bsdargs[argc] = rbuf;
|
2010-09-12 12:01:02 +00:00
|
|
|
bsdargs[argc + 1] = bsddevname;
|
|
|
|
grub_snprintf (bsddevname, sizeof (bsddevname),
|
|
|
|
"wd%d%c", bsd_device,
|
|
|
|
bsd_part != -1 ? bsd_part + 'a' : 'c');
|
|
|
|
}
|
|
|
|
if (kernel_type == GUESS_IT || kernel_type == KNETBSD)
|
|
|
|
{
|
|
|
|
cmd = grub_command_find ("knetbsd");
|
|
|
|
if (cmd)
|
2010-08-27 19:27:26 +00:00
|
|
|
{
|
2010-09-12 12:01:02 +00:00
|
|
|
if (!(cmd->func) (cmd, bsdargc, bsdargs))
|
|
|
|
{
|
|
|
|
kernel_type = KNETBSD;
|
2016-01-16 17:34:02 +00:00
|
|
|
found = 1;
|
|
|
|
goto free_bsdargs;
|
2010-09-12 12:01:02 +00:00
|
|
|
}
|
2010-08-27 19:27:26 +00:00
|
|
|
}
|
2010-09-12 12:01:02 +00:00
|
|
|
grub_errno = GRUB_ERR_NONE;
|
2010-08-27 19:27:26 +00:00
|
|
|
}
|
2010-09-12 12:01:02 +00:00
|
|
|
if (kernel_type == GUESS_IT || kernel_type == KOPENBSD)
|
2010-08-27 19:27:26 +00:00
|
|
|
{
|
2010-09-12 12:01:02 +00:00
|
|
|
cmd = grub_command_find ("kopenbsd");
|
|
|
|
if (cmd)
|
2010-08-27 19:27:26 +00:00
|
|
|
{
|
2010-09-12 12:01:02 +00:00
|
|
|
if (!(cmd->func) (cmd, bsdargc, bsdargs))
|
|
|
|
{
|
|
|
|
kernel_type = KOPENBSD;
|
2016-01-16 17:34:02 +00:00
|
|
|
found = 1;
|
|
|
|
goto free_bsdargs;
|
2010-09-12 12:01:02 +00:00
|
|
|
}
|
2010-08-27 19:27:26 +00:00
|
|
|
}
|
2010-09-12 12:01:02 +00:00
|
|
|
grub_errno = GRUB_ERR_NONE;
|
2010-08-27 19:27:26 +00:00
|
|
|
}
|
2016-01-16 17:34:02 +00:00
|
|
|
|
|
|
|
free_bsdargs:
|
2010-09-12 12:01:02 +00:00
|
|
|
if (bsdargs != cutargs)
|
|
|
|
grub_free (bsdargs);
|
2016-01-16 17:34:02 +00:00
|
|
|
if (found)
|
|
|
|
goto out;
|
2010-08-27 19:27:26 +00:00
|
|
|
}
|
2010-09-12 12:01:02 +00:00
|
|
|
}
|
2010-08-27 19:27:26 +00:00
|
|
|
}
|
|
|
|
while (0);
|
|
|
|
|
2016-01-16 17:34:02 +00:00
|
|
|
err = grub_error (GRUB_ERR_BAD_OS, "couldn't load file %s",
|
|
|
|
args[0]);
|
|
|
|
out:
|
|
|
|
grub_free (cutargs);
|
|
|
|
return err;
|
2010-08-27 19:27:26 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static grub_err_t
|
|
|
|
grub_cmd_legacy_initrd (struct grub_command *mycmd __attribute__ ((unused)),
|
|
|
|
int argc, char **args)
|
|
|
|
{
|
|
|
|
struct grub_command *cmd;
|
|
|
|
|
|
|
|
if (kernel_type == LINUX)
|
|
|
|
{
|
2013-12-18 04:21:06 +00:00
|
|
|
#ifdef GRUB_MACHINE_PCBIOS
|
2010-08-27 19:27:26 +00:00
|
|
|
cmd = grub_command_find ("initrd16");
|
2013-12-18 04:21:06 +00:00
|
|
|
#else
|
|
|
|
cmd = grub_command_find ("initrd");
|
|
|
|
#endif
|
2010-08-27 19:27:26 +00:00
|
|
|
if (!cmd)
|
2012-02-12 14:25:25 +00:00
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("can't find command `%s'"),
|
2013-12-18 04:21:06 +00:00
|
|
|
#ifdef GRUB_MACHINE_PCBIOS
|
|
|
|
"initrd16"
|
|
|
|
#else
|
|
|
|
"initrd"
|
|
|
|
#endif
|
|
|
|
);
|
2010-08-27 19:27:26 +00:00
|
|
|
|
2017-02-24 21:23:09 +00:00
|
|
|
return cmd->func (cmd, argc ? 1 : 0, args);
|
2010-08-27 19:27:26 +00:00
|
|
|
}
|
|
|
|
if (kernel_type == MULTIBOOT)
|
|
|
|
{
|
|
|
|
cmd = grub_command_find ("module");
|
|
|
|
if (!cmd)
|
2012-02-12 14:25:25 +00:00
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("can't find command `%s'"),
|
|
|
|
"module");
|
2010-08-27 19:27:26 +00:00
|
|
|
|
|
|
|
return cmd->func (cmd, argc, args);
|
|
|
|
}
|
|
|
|
|
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT,
|
2012-02-12 14:25:25 +00:00
|
|
|
N_("you need to load the kernel first"));
|
2010-08-27 19:27:26 +00:00
|
|
|
}
|
|
|
|
|
2010-09-12 00:30:48 +00:00
|
|
|
static grub_err_t
|
|
|
|
grub_cmd_legacy_initrdnounzip (struct grub_command *mycmd __attribute__ ((unused)),
|
|
|
|
int argc, char **args)
|
|
|
|
{
|
|
|
|
struct grub_command *cmd;
|
|
|
|
|
|
|
|
if (kernel_type == LINUX)
|
|
|
|
{
|
|
|
|
cmd = grub_command_find ("initrd16");
|
|
|
|
if (!cmd)
|
2012-02-12 14:25:25 +00:00
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("can't find command `%s'"),
|
|
|
|
"initrd16");
|
2010-09-12 00:30:48 +00:00
|
|
|
|
|
|
|
return cmd->func (cmd, argc, args);
|
|
|
|
}
|
|
|
|
if (kernel_type == MULTIBOOT)
|
|
|
|
{
|
|
|
|
char **newargs;
|
|
|
|
grub_err_t err;
|
2012-02-10 13:30:19 +00:00
|
|
|
char nounzipbuf[10] = "--nounzip";
|
2016-01-16 17:34:02 +00:00
|
|
|
|
|
|
|
cmd = grub_command_find ("module");
|
|
|
|
if (!cmd)
|
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("can't find command `%s'"),
|
|
|
|
"module");
|
|
|
|
|
2020-06-15 16:26:01 +00:00
|
|
|
newargs = grub_calloc (argc + 1, sizeof (newargs[0]));
|
2010-09-12 00:30:48 +00:00
|
|
|
if (!newargs)
|
|
|
|
return grub_errno;
|
|
|
|
grub_memcpy (newargs + 1, args, argc * sizeof (newargs[0]));
|
2012-02-10 13:30:19 +00:00
|
|
|
newargs[0] = nounzipbuf;
|
2010-09-12 00:30:48 +00:00
|
|
|
|
|
|
|
err = cmd->func (cmd, argc + 1, newargs);
|
|
|
|
grub_free (newargs);
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT,
|
2012-02-12 14:25:25 +00:00
|
|
|
N_("you need to load the kernel first"));
|
2010-09-12 00:30:48 +00:00
|
|
|
}
|
|
|
|
|
2010-09-11 23:07:41 +00:00
|
|
|
static grub_err_t
|
|
|
|
check_password_deny (const char *user __attribute__ ((unused)),
|
|
|
|
const char *entered __attribute__ ((unused)),
|
|
|
|
void *password __attribute__ ((unused)))
|
|
|
|
{
|
|
|
|
return GRUB_ACCESS_DENIED;
|
|
|
|
}
|
|
|
|
|
|
|
|
#define MD5_HASHLEN 16
|
|
|
|
|
|
|
|
struct legacy_md5_password
|
|
|
|
{
|
|
|
|
grub_uint8_t *salt;
|
|
|
|
int saltlen;
|
|
|
|
grub_uint8_t hash[MD5_HASHLEN];
|
|
|
|
};
|
|
|
|
|
|
|
|
static int
|
|
|
|
check_password_md5_real (const char *entered,
|
|
|
|
struct legacy_md5_password *pw)
|
|
|
|
{
|
2012-02-24 11:30:32 +00:00
|
|
|
grub_size_t enteredlen = grub_strlen (entered);
|
2010-09-11 23:07:41 +00:00
|
|
|
unsigned char alt_result[MD5_HASHLEN];
|
|
|
|
unsigned char *digest;
|
2013-11-12 01:38:33 +00:00
|
|
|
grub_uint8_t *ctx;
|
2012-02-24 11:30:32 +00:00
|
|
|
grub_size_t i;
|
2013-11-12 01:38:33 +00:00
|
|
|
int ret;
|
|
|
|
|
|
|
|
ctx = grub_zalloc (GRUB_MD_MD5->contextsize);
|
|
|
|
if (!ctx)
|
|
|
|
return 0;
|
2010-09-11 23:07:41 +00:00
|
|
|
|
|
|
|
GRUB_MD_MD5->init (ctx);
|
|
|
|
GRUB_MD_MD5->write (ctx, entered, enteredlen);
|
|
|
|
GRUB_MD_MD5->write (ctx, pw->salt + 3, pw->saltlen - 3);
|
|
|
|
GRUB_MD_MD5->write (ctx, entered, enteredlen);
|
|
|
|
digest = GRUB_MD_MD5->read (ctx);
|
|
|
|
GRUB_MD_MD5->final (ctx);
|
2014-04-04 05:58:42 +00:00
|
|
|
grub_memcpy (alt_result, digest, MD5_HASHLEN);
|
2010-09-11 23:07:41 +00:00
|
|
|
|
|
|
|
GRUB_MD_MD5->init (ctx);
|
|
|
|
GRUB_MD_MD5->write (ctx, entered, enteredlen);
|
|
|
|
GRUB_MD_MD5->write (ctx, pw->salt, pw->saltlen); /* include the $1$ header */
|
|
|
|
for (i = enteredlen; i > 16; i -= 16)
|
|
|
|
GRUB_MD_MD5->write (ctx, alt_result, 16);
|
|
|
|
GRUB_MD_MD5->write (ctx, alt_result, i);
|
|
|
|
|
|
|
|
for (i = enteredlen; i > 0; i >>= 1)
|
|
|
|
GRUB_MD_MD5->write (ctx, entered + ((i & 1) ? enteredlen : 0), 1);
|
|
|
|
digest = GRUB_MD_MD5->read (ctx);
|
|
|
|
GRUB_MD_MD5->final (ctx);
|
|
|
|
|
|
|
|
for (i = 0; i < 1000; i++)
|
|
|
|
{
|
2014-04-04 05:58:42 +00:00
|
|
|
grub_memcpy (alt_result, digest, 16);
|
2010-09-11 23:07:41 +00:00
|
|
|
|
|
|
|
GRUB_MD_MD5->init (ctx);
|
|
|
|
if ((i & 1) != 0)
|
|
|
|
GRUB_MD_MD5->write (ctx, entered, enteredlen);
|
|
|
|
else
|
|
|
|
GRUB_MD_MD5->write (ctx, alt_result, 16);
|
|
|
|
|
|
|
|
if (i % 3 != 0)
|
|
|
|
GRUB_MD_MD5->write (ctx, pw->salt + 3, pw->saltlen - 3);
|
|
|
|
|
|
|
|
if (i % 7 != 0)
|
|
|
|
GRUB_MD_MD5->write (ctx, entered, enteredlen);
|
|
|
|
|
|
|
|
if ((i & 1) != 0)
|
|
|
|
GRUB_MD_MD5->write (ctx, alt_result, 16);
|
|
|
|
else
|
|
|
|
GRUB_MD_MD5->write (ctx, entered, enteredlen);
|
|
|
|
digest = GRUB_MD_MD5->read (ctx);
|
|
|
|
GRUB_MD_MD5->final (ctx);
|
|
|
|
}
|
|
|
|
|
2013-11-12 01:38:33 +00:00
|
|
|
ret = (grub_crypto_memcmp (digest, pw->hash, MD5_HASHLEN) == 0);
|
|
|
|
grub_free (ctx);
|
|
|
|
return ret;
|
2010-09-11 23:07:41 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static grub_err_t
|
|
|
|
check_password_md5 (const char *user,
|
|
|
|
const char *entered,
|
|
|
|
void *password)
|
|
|
|
{
|
|
|
|
if (!check_password_md5_real (entered, password))
|
|
|
|
return GRUB_ACCESS_DENIED;
|
|
|
|
|
|
|
|
grub_auth_authenticate (user);
|
|
|
|
|
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline int
|
|
|
|
ib64t (char c)
|
|
|
|
{
|
|
|
|
if (c == '.')
|
|
|
|
return 0;
|
|
|
|
if (c == '/')
|
|
|
|
return 1;
|
|
|
|
if (c >= '0' && c <= '9')
|
|
|
|
return c - '0' + 2;
|
|
|
|
if (c >= 'A' && c <= 'Z')
|
|
|
|
return c - 'A' + 12;
|
|
|
|
if (c >= 'a' && c <= 'z')
|
|
|
|
return c - 'a' + 38;
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2010-09-15 11:51:02 +00:00
|
|
|
static struct legacy_md5_password *
|
|
|
|
parse_legacy_md5 (int argc, char **args)
|
2010-09-11 23:07:41 +00:00
|
|
|
{
|
|
|
|
const char *salt, *saltend;
|
|
|
|
struct legacy_md5_password *pw = NULL;
|
|
|
|
int i;
|
2010-09-15 11:51:02 +00:00
|
|
|
const char *p;
|
2010-09-11 23:07:41 +00:00
|
|
|
|
|
|
|
if (grub_memcmp (args[0], "--md5", sizeof ("--md5")) != 0)
|
|
|
|
goto fail;
|
|
|
|
if (argc == 1)
|
|
|
|
goto fail;
|
|
|
|
if (grub_strlen(args[1]) <= 3)
|
|
|
|
goto fail;
|
|
|
|
salt = args[1];
|
|
|
|
saltend = grub_strchr (salt + 3, '$');
|
|
|
|
if (!saltend)
|
|
|
|
goto fail;
|
|
|
|
pw = grub_malloc (sizeof (*pw));
|
|
|
|
if (!pw)
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
p = saltend + 1;
|
|
|
|
for (i = 0; i < 5; i++)
|
|
|
|
{
|
|
|
|
int n;
|
|
|
|
grub_uint32_t w = 0;
|
|
|
|
|
|
|
|
for (n = 0; n < 4; n++)
|
|
|
|
{
|
|
|
|
int ww = ib64t(*p++);
|
|
|
|
if (ww == -1)
|
|
|
|
goto fail;
|
|
|
|
w |= ww << (n * 6);
|
|
|
|
}
|
|
|
|
pw->hash[i == 4 ? 5 : 12+i] = w & 0xff;
|
|
|
|
pw->hash[6+i] = (w >> 8) & 0xff;
|
|
|
|
pw->hash[i] = (w >> 16) & 0xff;
|
|
|
|
}
|
|
|
|
{
|
|
|
|
int n;
|
|
|
|
grub_uint32_t w = 0;
|
|
|
|
for (n = 0; n < 2; n++)
|
|
|
|
{
|
|
|
|
int ww = ib64t(*p++);
|
|
|
|
if (ww == -1)
|
|
|
|
goto fail;
|
|
|
|
w |= ww << (6 * n);
|
|
|
|
}
|
|
|
|
if (w >= 0x100)
|
|
|
|
goto fail;
|
|
|
|
pw->hash[11] = w;
|
|
|
|
}
|
|
|
|
|
|
|
|
pw->saltlen = saltend - salt;
|
|
|
|
pw->salt = (grub_uint8_t *) grub_strndup (salt, pw->saltlen);
|
|
|
|
if (!pw->salt)
|
|
|
|
goto fail;
|
|
|
|
|
2010-09-15 11:51:02 +00:00
|
|
|
return pw;
|
2010-09-11 23:07:41 +00:00
|
|
|
|
|
|
|
fail:
|
|
|
|
grub_free (pw);
|
2010-09-15 11:51:02 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static grub_err_t
|
|
|
|
grub_cmd_legacy_password (struct grub_command *mycmd __attribute__ ((unused)),
|
|
|
|
int argc, char **args)
|
|
|
|
{
|
|
|
|
struct legacy_md5_password *pw = NULL;
|
|
|
|
|
|
|
|
if (argc == 0)
|
2012-02-08 18:26:01 +00:00
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected"));
|
2010-09-15 11:51:02 +00:00
|
|
|
if (args[0][0] != '-' || args[0][1] != '-')
|
|
|
|
return grub_normal_set_password ("legacy", args[0]);
|
|
|
|
|
|
|
|
pw = parse_legacy_md5 (argc, args);
|
|
|
|
|
|
|
|
if (pw)
|
|
|
|
return grub_auth_register_authentication ("legacy", check_password_md5, pw);
|
|
|
|
else
|
|
|
|
/* This is to imitate minor difference between grub-legacy in GRUB2.
|
|
|
|
If 2 password commands are executed in a row and second one fails
|
|
|
|
on GRUB2 the password of first one is used, whereas in grub-legacy
|
|
|
|
authenthication is denied. In case of no password command was executed
|
|
|
|
early both versions deny any access. */
|
|
|
|
return grub_auth_register_authentication ("legacy", check_password_deny,
|
|
|
|
NULL);
|
|
|
|
}
|
|
|
|
|
2013-11-12 01:38:33 +00:00
|
|
|
int
|
|
|
|
grub_legacy_check_md5_password (int argc, char **args,
|
|
|
|
char *entered)
|
2010-09-15 11:51:02 +00:00
|
|
|
{
|
|
|
|
struct legacy_md5_password *pw = NULL;
|
2013-11-18 01:37:46 +00:00
|
|
|
int ret;
|
2010-09-15 11:51:02 +00:00
|
|
|
|
|
|
|
if (args[0][0] != '-' || args[0][1] != '-')
|
|
|
|
{
|
|
|
|
char correct[GRUB_AUTH_MAX_PASSLEN];
|
|
|
|
|
|
|
|
grub_memset (correct, 0, sizeof (correct));
|
|
|
|
grub_strncpy (correct, args[0], sizeof (correct));
|
|
|
|
|
2013-11-12 01:38:33 +00:00
|
|
|
return grub_crypto_memcmp (entered, correct, GRUB_AUTH_MAX_PASSLEN) == 0;
|
2010-09-15 11:51:02 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
pw = parse_legacy_md5 (argc, args);
|
|
|
|
|
|
|
|
if (!pw)
|
2013-11-12 01:38:33 +00:00
|
|
|
return 0;
|
|
|
|
|
2013-11-18 01:37:46 +00:00
|
|
|
ret = check_password_md5_real (entered, pw);
|
|
|
|
grub_free (pw);
|
|
|
|
return ret;
|
2013-11-12 01:38:33 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static grub_err_t
|
|
|
|
grub_cmd_legacy_check_password (struct grub_command *mycmd __attribute__ ((unused)),
|
|
|
|
int argc, char **args)
|
|
|
|
{
|
|
|
|
char entered[GRUB_AUTH_MAX_PASSLEN];
|
|
|
|
|
|
|
|
if (argc == 0)
|
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected"));
|
|
|
|
grub_puts_ (N_("Enter password: "));
|
|
|
|
if (!grub_password_get (entered, GRUB_AUTH_MAX_PASSLEN))
|
2010-09-15 11:51:02 +00:00
|
|
|
return GRUB_ACCESS_DENIED;
|
|
|
|
|
2013-11-12 01:38:33 +00:00
|
|
|
if (!grub_legacy_check_md5_password (argc, args,
|
|
|
|
entered))
|
2010-09-15 11:51:02 +00:00
|
|
|
return GRUB_ACCESS_DENIED;
|
|
|
|
|
|
|
|
return GRUB_ERR_NONE;
|
2010-09-11 23:07:41 +00:00
|
|
|
}
|
|
|
|
|
2010-09-20 21:10:29 +00:00
|
|
|
static grub_command_t cmd_source, cmd_configfile;
|
|
|
|
static grub_command_t cmd_source_extract, cmd_configfile_extract;
|
|
|
|
static grub_command_t cmd_kernel, cmd_initrd, cmd_initrdnounzip;
|
|
|
|
static grub_command_t cmd_password, cmd_check_password;
|
2010-05-12 13:19:01 +00:00
|
|
|
|
|
|
|
GRUB_MOD_INIT(legacycfg)
|
|
|
|
{
|
2010-09-20 21:10:29 +00:00
|
|
|
cmd_source
|
|
|
|
= grub_register_command ("legacy_source",
|
|
|
|
grub_cmd_legacy_source,
|
|
|
|
N_("FILE"),
|
2012-03-06 13:11:10 +00:00
|
|
|
/* TRANSLATORS: "legacy config" means
|
|
|
|
"config as used by grub-legacy". */
|
2010-09-20 21:10:29 +00:00
|
|
|
N_("Parse legacy config in same context"));
|
|
|
|
cmd_configfile
|
|
|
|
= grub_register_command ("legacy_configfile",
|
|
|
|
grub_cmd_legacy_source,
|
|
|
|
N_("FILE"),
|
|
|
|
N_("Parse legacy config in new context"));
|
|
|
|
cmd_source_extract
|
|
|
|
= grub_register_command ("extract_legacy_entries_source",
|
|
|
|
grub_cmd_legacy_source,
|
|
|
|
N_("FILE"),
|
2011-01-04 13:05:19 +00:00
|
|
|
N_("Parse legacy config in same context taking only menu entries"));
|
2010-09-20 21:10:29 +00:00
|
|
|
cmd_configfile_extract
|
|
|
|
= grub_register_command ("extract_legacy_entries_configfile",
|
|
|
|
grub_cmd_legacy_source,
|
|
|
|
N_("FILE"),
|
2011-01-04 13:05:19 +00:00
|
|
|
N_("Parse legacy config in new context taking only menu entries"));
|
2010-09-12 13:26:38 +00:00
|
|
|
|
2010-08-27 19:27:26 +00:00
|
|
|
cmd_kernel = grub_register_command ("legacy_kernel",
|
|
|
|
grub_cmd_legacy_kernel,
|
|
|
|
N_("[--no-mem-option] [--type=TYPE] FILE [ARG ...]"),
|
2012-02-05 10:23:47 +00:00
|
|
|
N_("Simulate grub-legacy `kernel' command"));
|
2010-08-27 19:27:26 +00:00
|
|
|
|
|
|
|
cmd_initrd = grub_register_command ("legacy_initrd",
|
|
|
|
grub_cmd_legacy_initrd,
|
|
|
|
N_("FILE [ARG ...]"),
|
2012-02-05 10:23:47 +00:00
|
|
|
N_("Simulate grub-legacy `initrd' command"));
|
2010-09-12 00:30:48 +00:00
|
|
|
cmd_initrdnounzip = grub_register_command ("legacy_initrd_nounzip",
|
|
|
|
grub_cmd_legacy_initrdnounzip,
|
|
|
|
N_("FILE [ARG ...]"),
|
2012-02-05 10:23:47 +00:00
|
|
|
N_("Simulate grub-legacy `modulenounzip' command"));
|
2010-09-12 00:30:48 +00:00
|
|
|
|
2010-09-11 23:07:41 +00:00
|
|
|
cmd_password = grub_register_command ("legacy_password",
|
|
|
|
grub_cmd_legacy_password,
|
|
|
|
N_("[--md5] PASSWD [FILE]"),
|
2012-02-05 10:23:47 +00:00
|
|
|
N_("Simulate grub-legacy `password' command"));
|
2010-09-15 11:51:02 +00:00
|
|
|
|
|
|
|
cmd_check_password = grub_register_command ("legacy_check_password",
|
|
|
|
grub_cmd_legacy_check_password,
|
|
|
|
N_("[--md5] PASSWD [FILE]"),
|
2012-02-26 16:28:05 +00:00
|
|
|
N_("Simulate grub-legacy `password' command in menu entry mode"));
|
2010-09-15 11:51:02 +00:00
|
|
|
|
2010-05-12 13:19:01 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
GRUB_MOD_FINI(legacycfg)
|
|
|
|
{
|
|
|
|
grub_unregister_command (cmd_source);
|
|
|
|
grub_unregister_command (cmd_configfile);
|
2010-09-20 21:10:29 +00:00
|
|
|
grub_unregister_command (cmd_source_extract);
|
|
|
|
grub_unregister_command (cmd_configfile_extract);
|
|
|
|
|
2010-08-27 19:27:26 +00:00
|
|
|
grub_unregister_command (cmd_kernel);
|
|
|
|
grub_unregister_command (cmd_initrd);
|
2010-09-12 00:30:48 +00:00
|
|
|
grub_unregister_command (cmd_initrdnounzip);
|
2010-09-20 21:10:29 +00:00
|
|
|
|
2010-09-11 23:07:41 +00:00
|
|
|
grub_unregister_command (cmd_password);
|
2010-09-15 11:51:02 +00:00
|
|
|
grub_unregister_command (cmd_check_password);
|
2010-05-12 13:19:01 +00:00
|
|
|
}
|