27d1a67f8a
canonicalize_file_name clashed with gnulib function. Additionally it was declared in 2 places: emu/misc.h and util/misc.h. Added grub_ prefix and removed second declaration.
172 lines
4 KiB
C
172 lines
4 KiB
C
/* grub-probe.c - probe device information for a given path */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2005,2006,2007,2008,2009,2010,2013 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/emu/misc.h>
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#include <grub/util/misc.h>
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#include <grub/device.h>
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#include <grub/disk.h>
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#include <grub/file.h>
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#include <grub/fs.h>
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#include <grub/partition.h>
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#include <grub/msdos_partition.h>
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#include <grub/gpt_partition.h>
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#include <grub/emu/hostdisk.h>
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#include <grub/emu/getroot.h>
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#include <grub/term.h>
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#include <grub/env.h>
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#include <grub/diskfilter.h>
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#include <grub/i18n.h>
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#include <grub/emu/misc.h>
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#include <grub/util/ofpath.h>
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#include <grub/crypto.h>
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#include <grub/cryptodisk.h>
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#include <string.h>
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/* Since OF path names can have "," characters in them, and GRUB
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internally uses "," to indicate partitions (unlike OF which uses
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":" for this purpose) we escape such commas. */
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static char *
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escape_of_path (const char *orig_path)
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{
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char *new_path, *d, c;
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const char *p;
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if (!strchr (orig_path, ','))
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return (char *) xstrdup (orig_path);
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new_path = xmalloc (strlen (orig_path) * 2 + 1);
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p = orig_path;
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d = new_path;
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while ((c = *p++) != '\0')
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{
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if (c == ',')
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*d++ = '\\';
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*d++ = c;
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}
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*d = 0;
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return new_path;
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}
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char *
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grub_util_guess_bios_drive (const char *orig_path)
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{
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char *canon;
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char *ptr;
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canon = grub_canonicalize_file_name (orig_path);
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if (!canon)
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return NULL;
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ptr = strrchr (orig_path, '/');
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if (ptr)
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ptr++;
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else
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ptr = canon;
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if ((ptr[0] == 's' || ptr[0] == 'h') && ptr[1] == 'd')
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{
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int num = ptr[2] - 'a';
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free (canon);
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return xasprintf ("hd%d", num);
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}
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if (ptr[0] == 'f' && ptr[1] == 'd')
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{
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int num = atoi (ptr + 2);
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free (canon);
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return xasprintf ("fd%d", num);
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}
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free (canon);
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return NULL;
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}
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char *
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grub_util_guess_efi_drive (const char *orig_path)
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{
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char *canon;
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char *ptr;
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canon = grub_canonicalize_file_name (orig_path);
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if (!canon)
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return NULL;
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ptr = strrchr (orig_path, '/');
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if (ptr)
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ptr++;
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else
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ptr = canon;
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if ((ptr[0] == 's' || ptr[0] == 'h') && ptr[1] == 'd')
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{
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int num = ptr[2] - 'a';
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free (canon);
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return xasprintf ("hd%d", num);
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}
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if (ptr[0] == 'f' && ptr[1] == 'd')
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{
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int num = atoi (ptr + 2);
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free (canon);
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return xasprintf ("fd%d", num);
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}
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free (canon);
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return NULL;
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}
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char *
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grub_util_guess_baremetal_drive (const char *orig_path)
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{
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char *canon;
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char *ptr;
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canon = grub_canonicalize_file_name (orig_path);
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if (!canon)
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return NULL;
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ptr = strrchr (orig_path, '/');
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if (ptr)
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ptr++;
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else
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ptr = canon;
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if (ptr[0] == 'h' && ptr[1] == 'd')
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{
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int num = ptr[2] - 'a';
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free (canon);
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return xasprintf ("ata%d", num);
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}
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if (ptr[0] == 's' && ptr[1] == 'd')
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{
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int num = ptr[2] - 'a';
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free (canon);
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return xasprintf ("ahci%d", num);
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}
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free (canon);
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return NULL;
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}
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void
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grub_util_fprint_full_disk_name (FILE *f,
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const char *drive, grub_device_t dev)
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{
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char *dname = escape_of_path (drive);
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if (dev->disk->partition)
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{
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char *pname = grub_partition_get_name (dev->disk->partition);
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fprintf (f, "%s,%s", dname, pname);
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free (pname);
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}
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else
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fprintf (f, "%s", dname);
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free (dname);
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}
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