1c8769611f
Add PARTUUID detection support grub-probe for MBR and GPT partition schemes. Signed-off-by: Nicholas Vinson <nvinson234@gmail.com> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
931 lines
23 KiB
C
931 lines
23 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 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/i386/pc/boot.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 <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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#include <assert.h>
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#define _GNU_SOURCE 1
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#pragma GCC diagnostic ignored "-Wmissing-prototypes"
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#pragma GCC diagnostic ignored "-Wmissing-declarations"
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#include <argp.h>
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#pragma GCC diagnostic error "-Wmissing-prototypes"
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#pragma GCC diagnostic error "-Wmissing-declarations"
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#include "progname.h"
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enum {
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PRINT_FS,
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PRINT_FS_UUID,
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PRINT_FS_LABEL,
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PRINT_DRIVE,
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PRINT_DEVICE,
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PRINT_PARTMAP,
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PRINT_PARTUUID,
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PRINT_ABSTRACTION,
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PRINT_CRYPTODISK_UUID,
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PRINT_HINT_STR,
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PRINT_BIOS_HINT,
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PRINT_IEEE1275_HINT,
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PRINT_BAREMETAL_HINT,
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PRINT_EFI_HINT,
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PRINT_ARC_HINT,
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PRINT_COMPATIBILITY_HINT,
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PRINT_MSDOS_PARTTYPE,
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PRINT_GPT_PARTTYPE,
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PRINT_ZERO_CHECK,
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PRINT_DISK
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};
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static const char *targets[] =
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{
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[PRINT_FS] = "fs",
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[PRINT_FS_UUID] = "fs_uuid",
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[PRINT_FS_LABEL] = "fs_label",
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[PRINT_DRIVE] = "drive",
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[PRINT_DEVICE] = "device",
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[PRINT_PARTMAP] = "partmap",
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[PRINT_PARTUUID] = "partuuid",
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[PRINT_ABSTRACTION] = "abstraction",
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[PRINT_CRYPTODISK_UUID] = "cryptodisk_uuid",
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[PRINT_HINT_STR] = "hints_string",
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[PRINT_BIOS_HINT] = "bios_hints",
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[PRINT_IEEE1275_HINT] = "ieee1275_hints",
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[PRINT_BAREMETAL_HINT] = "baremetal_hints",
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[PRINT_EFI_HINT] = "efi_hints",
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[PRINT_ARC_HINT] = "arc_hints",
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[PRINT_COMPATIBILITY_HINT] = "compatibility_hint",
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[PRINT_MSDOS_PARTTYPE] = "msdos_parttype",
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[PRINT_GPT_PARTTYPE] = "gpt_parttype",
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[PRINT_ZERO_CHECK] = "zero_check",
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[PRINT_DISK] = "disk",
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};
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static int print = PRINT_FS;
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static unsigned int argument_is_device = 0;
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static char *
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get_targets_string (void)
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{
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char **arr = xmalloc (sizeof (targets));
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int len = 0;
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char *str;
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char *ptr;
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unsigned i;
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memcpy (arr, targets, sizeof (targets));
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qsort (arr, ARRAY_SIZE (targets), sizeof (char *), grub_qsort_strcmp);
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for (i = 0; i < ARRAY_SIZE (targets); i++)
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len += grub_strlen (targets[i]) + 2;
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ptr = str = xmalloc (len);
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for (i = 0; i < ARRAY_SIZE (targets); i++)
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{
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ptr = grub_stpcpy (ptr, arr[i]);
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*ptr++ = ',';
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*ptr++ = ' ';
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}
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ptr[-2] = '\0';
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free (arr);
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return str;
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}
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static int
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print_gpt_guid (grub_gpt_part_guid_t guid)
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{
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guid.data1 = grub_le_to_cpu32 (guid.data1);
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guid.data2 = grub_le_to_cpu16 (guid.data2);
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guid.data3 = grub_le_to_cpu16 (guid.data3);
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return grub_printf ("%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
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guid.data1, guid.data2, guid.data3, guid.data4[0],
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guid.data4[1], guid.data4[2], guid.data4[3],
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guid.data4[4], guid.data4[5], guid.data4[6],
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guid.data4[7]);
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}
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static void
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do_print (const char *x, void *data)
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{
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char delim = *(const char *) data;
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grub_printf ("%s%c", x, delim);
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}
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static void
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probe_partmap (grub_disk_t disk, char delim)
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{
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grub_partition_t part;
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grub_disk_memberlist_t list = NULL, tmp;
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if (disk->partition == NULL)
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{
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grub_util_info ("no partition map found for %s", disk->name);
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}
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for (part = disk->partition; part; part = part->parent)
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printf ("%s%c", part->partmap->name, delim);
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if (disk->dev->id == GRUB_DISK_DEVICE_DISKFILTER_ID)
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grub_diskfilter_get_partmap (disk, do_print, &delim);
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/* In case of LVM/RAID, check the member devices as well. */
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if (disk->dev->memberlist)
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{
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list = disk->dev->memberlist (disk);
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}
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while (list)
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{
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probe_partmap (list->disk, delim);
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tmp = list->next;
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free (list);
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list = tmp;
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}
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}
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static void
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probe_partuuid (grub_disk_t disk, char delim)
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{
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grub_partition_t p = disk->partition;
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/*
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* Nested partitions not supported for now.
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* Non-nested partitions must have disk->partition->parent == NULL
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*/
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if (p && p->parent == NULL)
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{
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disk->partition = p->parent;
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if (strcmp(p->partmap->name, "msdos") == 0)
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{
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/*
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* The partition GUID for MSDOS is the partition number (starting
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* with 1) prepended with the NT disk signature.
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*/
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grub_uint32_t nt_disk_sig;
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if (grub_disk_read (disk, 0, GRUB_BOOT_MACHINE_WINDOWS_NT_MAGIC,
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sizeof(nt_disk_sig), &nt_disk_sig) == 0)
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grub_printf ("%08x-%02x",
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grub_le_to_cpu32(nt_disk_sig), 1 + p->number);
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}
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else if (strcmp(p->partmap->name, "gpt") == 0)
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{
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struct grub_gpt_partentry gptdata;
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if (grub_disk_read (disk, p->offset, p->index,
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sizeof(gptdata), &gptdata) == 0)
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print_gpt_guid(gptdata.guid);
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}
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disk->partition = p;
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}
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}
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static void
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probe_cryptodisk_uuid (grub_disk_t disk, char delim)
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{
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grub_disk_memberlist_t list = NULL, tmp;
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/* In case of LVM/RAID, check the member devices as well. */
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if (disk->dev->memberlist)
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{
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list = disk->dev->memberlist (disk);
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}
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while (list)
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{
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probe_cryptodisk_uuid (list->disk, delim);
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tmp = list->next;
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free (list);
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list = tmp;
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}
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if (disk->dev->id == GRUB_DISK_DEVICE_CRYPTODISK_ID)
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{
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const char *uu = grub_util_cryptodisk_get_uuid (disk);
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grub_printf ("%s%c", uu, delim);
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}
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}
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static int
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probe_raid_level (grub_disk_t disk)
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{
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/* disk might be NULL in the case of a LVM physical volume with no LVM
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signature. Ignore such cases here. */
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if (!disk)
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return -1;
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if (disk->dev->id != GRUB_DISK_DEVICE_DISKFILTER_ID)
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return -1;
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if (disk->name[0] != 'm' || disk->name[1] != 'd')
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return -1;
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if (!((struct grub_diskfilter_lv *) disk->data)->segments)
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return -1;
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return ((struct grub_diskfilter_lv *) disk->data)->segments->type;
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}
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static void
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probe_abstraction (grub_disk_t disk, char delim)
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{
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grub_disk_memberlist_t list = NULL, tmp;
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int raid_level;
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if (disk->dev->memberlist)
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list = disk->dev->memberlist (disk);
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while (list)
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{
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probe_abstraction (list->disk, delim);
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tmp = list->next;
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free (list);
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list = tmp;
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}
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if (disk->dev->id == GRUB_DISK_DEVICE_DISKFILTER_ID
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&& (grub_memcmp (disk->name, "lvm/", sizeof ("lvm/") - 1) == 0 ||
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grub_memcmp (disk->name, "lvmid/", sizeof ("lvmid/") - 1) == 0))
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printf ("lvm%c", delim);
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if (disk->dev->id == GRUB_DISK_DEVICE_DISKFILTER_ID
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&& grub_memcmp (disk->name, "ldm/", sizeof ("ldm/") - 1) == 0)
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printf ("ldm%c", delim);
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if (disk->dev->id == GRUB_DISK_DEVICE_CRYPTODISK_ID)
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grub_util_cryptodisk_get_abstraction (disk, do_print, &delim);
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raid_level = probe_raid_level (disk);
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if (raid_level >= 0)
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{
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printf ("diskfilter%c", delim);
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if (disk->dev->raidname)
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printf ("%s%c", disk->dev->raidname (disk), delim);
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}
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if (raid_level == 5)
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printf ("raid5rec%c", delim);
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if (raid_level == 6)
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printf ("raid6rec%c", delim);
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}
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static void
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probe (const char *path, char **device_names, char delim)
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{
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char **drives_names = NULL;
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char **curdev, **curdrive;
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char *grub_path = NULL;
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int ndev = 0;
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if (path != NULL)
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{
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grub_path = grub_canonicalize_file_name (path);
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if (! grub_path)
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grub_util_error (_("failed to get canonical path of `%s'"), path);
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device_names = grub_guess_root_devices (grub_path);
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free (grub_path);
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}
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if (! device_names)
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grub_util_error (_("cannot find a device for %s (is /dev mounted?)"), path);
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if (print == PRINT_DEVICE)
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{
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for (curdev = device_names; *curdev; curdev++)
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{
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printf ("%s", *curdev);
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putchar (delim);
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}
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goto free_device_names;
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}
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if (print == PRINT_DISK)
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{
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for (curdev = device_names; *curdev; curdev++)
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{
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char *disk;
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disk = grub_util_get_os_disk (*curdev);
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if (!disk)
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{
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grub_print_error ();
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continue;
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}
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printf ("%s", disk);
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putchar (delim);
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free (disk);
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}
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goto free_device_names;
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}
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for (curdev = device_names; *curdev; curdev++)
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{
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grub_util_pull_device (*curdev);
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ndev++;
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}
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drives_names = xmalloc (sizeof (drives_names[0]) * (ndev + 1));
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for (curdev = device_names, curdrive = drives_names; *curdev; curdev++,
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curdrive++)
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{
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*curdrive = grub_util_get_grub_dev (*curdev);
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if (! *curdrive)
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grub_util_error (_("cannot find a GRUB drive for %s. Check your device.map"),
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*curdev);
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}
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*curdrive = 0;
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if (print == PRINT_DRIVE)
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{
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for (curdrive = drives_names; *curdrive; curdrive++)
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{
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printf ("(%s)", *curdrive);
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putchar (delim);
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}
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goto end;
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}
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if (print == PRINT_ZERO_CHECK)
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{
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for (curdev = drives_names; *curdev; curdev++)
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{
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grub_device_t dev = NULL;
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grub_uint32_t buffer[32768];
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grub_disk_addr_t addr;
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grub_disk_addr_t dsize;
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grub_util_info ("opening %s", *curdev);
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dev = grub_device_open (*curdev);
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if (! dev || !dev->disk)
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grub_util_error ("%s", grub_errmsg);
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dsize = grub_disk_get_size (dev->disk);
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for (addr = 0; addr < dsize;
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addr += sizeof (buffer) / GRUB_DISK_SECTOR_SIZE)
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{
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grub_size_t sz = sizeof (buffer);
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grub_uint32_t *ptr;
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if (sizeof (buffer) / GRUB_DISK_SECTOR_SIZE > dsize - addr)
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sz = (dsize - addr) * GRUB_DISK_SECTOR_SIZE;
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grub_disk_read (dev->disk, addr, 0, sz, buffer);
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for (ptr = buffer; ptr < buffer + sz / sizeof (*buffer); ptr++)
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if (*ptr)
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{
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grub_printf ("false\n");
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grub_device_close (dev);
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goto end;
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}
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}
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grub_device_close (dev);
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}
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grub_printf ("true\n");
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}
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if (print == PRINT_FS || print == PRINT_FS_UUID
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|| print == PRINT_FS_LABEL)
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{
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grub_device_t dev = NULL;
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grub_fs_t fs;
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grub_util_info ("opening %s", drives_names[0]);
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dev = grub_device_open (drives_names[0]);
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if (! dev)
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grub_util_error ("%s", grub_errmsg);
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fs = grub_fs_probe (dev);
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if (! fs)
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grub_util_error ("%s", grub_errmsg);
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if (print == PRINT_FS)
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{
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printf ("%s", fs->name);
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putchar (delim);
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}
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else if (print == PRINT_FS_UUID)
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{
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char *uuid;
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if (! fs->uuid)
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grub_util_error (_("%s does not support UUIDs"), fs->name);
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if (fs->uuid (dev, &uuid) != GRUB_ERR_NONE)
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grub_util_error ("%s", grub_errmsg);
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printf ("%s", uuid);
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putchar (delim);
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}
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else if (print == PRINT_FS_LABEL)
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{
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char *label;
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if (! fs->label)
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grub_util_error (_("filesystem `%s' does not support labels"),
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fs->name);
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if (fs->label (dev, &label) != GRUB_ERR_NONE)
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grub_util_error ("%s", grub_errmsg);
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printf ("%s", label);
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putchar (delim);
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}
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grub_device_close (dev);
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goto end;
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}
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for (curdrive = drives_names, curdev = device_names; *curdrive;
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curdrive++, curdev++)
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{
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grub_device_t dev = NULL;
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grub_util_info ("opening %s", *curdrive);
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dev = grub_device_open (*curdrive);
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if (! dev)
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grub_util_error ("%s", grub_errmsg);
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if (print == PRINT_HINT_STR)
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{
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const char *osdev = grub_util_biosdisk_get_osdev (dev->disk);
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char *ofpath = osdev ? grub_util_devname_to_ofpath (osdev) : 0;
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char *biosname, *bare, *efi;
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const char *map;
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if (ofpath)
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{
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char *tmp = xmalloc (strlen (ofpath) + sizeof ("ieee1275/"));
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char *p;
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p = grub_stpcpy (tmp, "ieee1275/");
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strcpy (p, ofpath);
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printf ("--hint-ieee1275='");
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grub_util_fprint_full_disk_name (stdout, tmp, dev);
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printf ("' ");
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free (tmp);
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free (ofpath);
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}
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biosname = grub_util_guess_bios_drive (*curdev);
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if (biosname)
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{
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printf ("--hint-bios=");
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grub_util_fprint_full_disk_name (stdout, biosname, dev);
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printf (" ");
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}
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free (biosname);
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|
|
efi = grub_util_guess_efi_drive (*curdev);
|
|
if (efi)
|
|
{
|
|
printf ("--hint-efi=");
|
|
grub_util_fprint_full_disk_name (stdout, efi, dev);
|
|
printf (" ");
|
|
}
|
|
free (efi);
|
|
|
|
bare = grub_util_guess_baremetal_drive (*curdev);
|
|
if (bare)
|
|
{
|
|
printf ("--hint-baremetal=");
|
|
grub_util_fprint_full_disk_name (stdout, bare, dev);
|
|
printf (" ");
|
|
}
|
|
free (bare);
|
|
|
|
/* FIXME: Add ARC hint. */
|
|
|
|
map = grub_util_biosdisk_get_compatibility_hint (dev->disk);
|
|
if (map)
|
|
{
|
|
printf ("--hint='");
|
|
grub_util_fprint_full_disk_name (stdout, map, dev);
|
|
printf ("' ");
|
|
}
|
|
if (curdrive[1])
|
|
printf (" ");
|
|
else
|
|
printf ("\n");
|
|
}
|
|
|
|
else if ((print == PRINT_COMPATIBILITY_HINT || print == PRINT_BIOS_HINT
|
|
|| print == PRINT_IEEE1275_HINT || print == PRINT_BAREMETAL_HINT
|
|
|| print == PRINT_EFI_HINT || print == PRINT_ARC_HINT)
|
|
&& dev->disk->dev->id != GRUB_DISK_DEVICE_HOSTDISK_ID)
|
|
{
|
|
grub_util_fprint_full_disk_name (stdout, dev->disk->name, dev);
|
|
putchar (delim);
|
|
}
|
|
|
|
else if (print == PRINT_COMPATIBILITY_HINT)
|
|
{
|
|
const char *map;
|
|
char *biosname;
|
|
map = grub_util_biosdisk_get_compatibility_hint (dev->disk);
|
|
if (map)
|
|
{
|
|
grub_util_fprint_full_disk_name (stdout, map, dev);
|
|
putchar (delim);
|
|
grub_device_close (dev);
|
|
/* Compatibility hint is one device only. */
|
|
break;
|
|
}
|
|
biosname = grub_util_guess_bios_drive (*curdev);
|
|
if (biosname)
|
|
{
|
|
grub_util_fprint_full_disk_name (stdout, biosname, dev);
|
|
putchar (delim);
|
|
free (biosname);
|
|
/* Compatibility hint is one device only. */
|
|
grub_device_close (dev);
|
|
break;
|
|
}
|
|
}
|
|
|
|
else if (print == PRINT_BIOS_HINT)
|
|
{
|
|
char *biosname;
|
|
biosname = grub_util_guess_bios_drive (*curdev);
|
|
if (biosname)
|
|
{
|
|
grub_util_fprint_full_disk_name (stdout, biosname, dev);
|
|
putchar (delim);
|
|
free (biosname);
|
|
}
|
|
}
|
|
else if (print == PRINT_IEEE1275_HINT)
|
|
{
|
|
const char *osdev = grub_util_biosdisk_get_osdev (dev->disk);
|
|
char *ofpath = grub_util_devname_to_ofpath (osdev);
|
|
const char *map;
|
|
|
|
map = grub_util_biosdisk_get_compatibility_hint (dev->disk);
|
|
if (map)
|
|
{
|
|
grub_util_fprint_full_disk_name (stdout, map, dev);
|
|
putchar (delim);
|
|
}
|
|
|
|
if (ofpath)
|
|
{
|
|
char *tmp = xmalloc (strlen (ofpath) + sizeof ("ieee1275/"));
|
|
char *p;
|
|
p = grub_stpcpy (tmp, "ieee1275/");
|
|
strcpy (p, ofpath);
|
|
grub_util_fprint_full_disk_name (stdout, tmp, dev);
|
|
free (tmp);
|
|
free (ofpath);
|
|
putchar (delim);
|
|
}
|
|
}
|
|
else if (print == PRINT_EFI_HINT)
|
|
{
|
|
char *biosname;
|
|
const char *map;
|
|
biosname = grub_util_guess_efi_drive (*curdev);
|
|
|
|
map = grub_util_biosdisk_get_compatibility_hint (dev->disk);
|
|
if (map)
|
|
{
|
|
grub_util_fprint_full_disk_name (stdout, map, dev);
|
|
putchar (delim);
|
|
}
|
|
if (biosname)
|
|
{
|
|
grub_util_fprint_full_disk_name (stdout, biosname, dev);
|
|
putchar (delim);
|
|
free (biosname);
|
|
}
|
|
}
|
|
|
|
else if (print == PRINT_BAREMETAL_HINT)
|
|
{
|
|
char *biosname;
|
|
const char *map;
|
|
|
|
biosname = grub_util_guess_baremetal_drive (*curdev);
|
|
|
|
map = grub_util_biosdisk_get_compatibility_hint (dev->disk);
|
|
if (map)
|
|
{
|
|
grub_util_fprint_full_disk_name (stdout, map, dev);
|
|
putchar (delim);
|
|
}
|
|
if (biosname)
|
|
{
|
|
grub_util_fprint_full_disk_name (stdout, biosname, dev);
|
|
putchar (delim);
|
|
free (biosname);
|
|
}
|
|
}
|
|
|
|
else if (print == PRINT_ARC_HINT)
|
|
{
|
|
const char *map;
|
|
|
|
map = grub_util_biosdisk_get_compatibility_hint (dev->disk);
|
|
if (map)
|
|
{
|
|
grub_util_fprint_full_disk_name (stdout, map, dev);
|
|
putchar (delim);
|
|
}
|
|
}
|
|
|
|
else if (print == PRINT_ABSTRACTION)
|
|
probe_abstraction (dev->disk, delim);
|
|
|
|
else if (print == PRINT_CRYPTODISK_UUID)
|
|
probe_cryptodisk_uuid (dev->disk, delim);
|
|
|
|
else if (print == PRINT_PARTMAP)
|
|
/* Check if dev->disk itself is contained in a partmap. */
|
|
probe_partmap (dev->disk, delim);
|
|
|
|
else if (print == PRINT_PARTUUID)
|
|
{
|
|
probe_partuuid (dev->disk, delim);
|
|
putchar (delim);
|
|
}
|
|
|
|
else if (print == PRINT_MSDOS_PARTTYPE)
|
|
{
|
|
if (dev->disk->partition
|
|
&& strcmp(dev->disk->partition->partmap->name, "msdos") == 0)
|
|
printf ("%02x", dev->disk->partition->msdostype);
|
|
|
|
putchar (delim);
|
|
}
|
|
|
|
else if (print == PRINT_GPT_PARTTYPE)
|
|
{
|
|
if (dev->disk->partition
|
|
&& strcmp (dev->disk->partition->partmap->name, "gpt") == 0)
|
|
{
|
|
struct grub_gpt_partentry gptdata;
|
|
grub_partition_t p = dev->disk->partition;
|
|
dev->disk->partition = dev->disk->partition->parent;
|
|
|
|
if (grub_disk_read (dev->disk, p->offset, p->index,
|
|
sizeof (gptdata), &gptdata) == 0)
|
|
print_gpt_guid(gptdata.type);
|
|
dev->disk->partition = p;
|
|
}
|
|
putchar (delim);
|
|
}
|
|
|
|
grub_device_close (dev);
|
|
}
|
|
|
|
end:
|
|
for (curdrive = drives_names; *curdrive; curdrive++)
|
|
free (*curdrive);
|
|
free (drives_names);
|
|
|
|
free_device_names:
|
|
if (path != NULL)
|
|
{
|
|
for (curdev = device_names; *curdev; curdev++)
|
|
free (*curdev);
|
|
free (device_names);
|
|
}
|
|
}
|
|
|
|
static struct argp_option options[] = {
|
|
{"device", 'd', 0, 0,
|
|
N_("given argument is a system device, not a path"), 0},
|
|
{"device-map", 'm', N_("FILE"), 0,
|
|
N_("use FILE as the device map [default=%s]"), 0},
|
|
{"target", 't', N_("TARGET"), 0, 0, 0},
|
|
{"verbose", 'v', 0, 0, N_("print verbose messages."), 0},
|
|
{0, '0', 0, 0, N_("separate items in output using ASCII NUL characters"), 0},
|
|
{ 0, 0, 0, 0, 0, 0 }
|
|
};
|
|
|
|
#pragma GCC diagnostic ignored "-Wformat-nonliteral"
|
|
|
|
static char *
|
|
help_filter (int key, const char *text, void *input __attribute__ ((unused)))
|
|
{
|
|
switch (key)
|
|
{
|
|
case 'm':
|
|
return xasprintf (text, DEFAULT_DEVICE_MAP);
|
|
|
|
case 't':
|
|
{
|
|
char *ret, *t = get_targets_string (), *def;
|
|
|
|
def = xasprintf (_("[default=%s]"), targets[print]);
|
|
|
|
ret = xasprintf ("%s\n%s %s %s", _("print TARGET"),
|
|
_("available targets:"), t, def);
|
|
free (t);
|
|
free (def);
|
|
return ret;
|
|
}
|
|
|
|
default:
|
|
return (char *) text;
|
|
}
|
|
}
|
|
|
|
#pragma GCC diagnostic error "-Wformat-nonliteral"
|
|
|
|
struct arguments
|
|
{
|
|
char **devices;
|
|
size_t device_max;
|
|
size_t ndevices;
|
|
char *dev_map;
|
|
int zero_delim;
|
|
};
|
|
|
|
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 'd':
|
|
argument_is_device = 1;
|
|
break;
|
|
|
|
case 'm':
|
|
if (arguments->dev_map)
|
|
free (arguments->dev_map);
|
|
|
|
arguments->dev_map = xstrdup (arg);
|
|
break;
|
|
|
|
case 't':
|
|
{
|
|
int i;
|
|
|
|
for (i = PRINT_FS; i < ARRAY_SIZE (targets); i++)
|
|
if (strcmp (arg, targets[i]) == 0)
|
|
{
|
|
print = i;
|
|
break;
|
|
}
|
|
if (i == ARRAY_SIZE (targets))
|
|
argp_usage (state);
|
|
}
|
|
break;
|
|
|
|
case '0':
|
|
arguments->zero_delim = 1;
|
|
break;
|
|
|
|
case 'v':
|
|
verbosity++;
|
|
break;
|
|
|
|
case ARGP_KEY_NO_ARGS:
|
|
fprintf (stderr, "%s", _("No path or device is specified.\n"));
|
|
argp_usage (state);
|
|
break;
|
|
|
|
case ARGP_KEY_ARG:
|
|
assert (arguments->ndevices < arguments->device_max);
|
|
arguments->devices[arguments->ndevices++] = xstrdup(arg);
|
|
break;
|
|
|
|
default:
|
|
return ARGP_ERR_UNKNOWN;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static struct argp argp = {
|
|
options, argp_parser, N_("[OPTION]... [PATH|DEVICE]"),
|
|
N_("\
|
|
Probe device information for a given path (or device, if the -d option is given)."),
|
|
NULL, help_filter, NULL
|
|
};
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
char delim;
|
|
struct arguments arguments;
|
|
|
|
grub_util_host_init (&argc, &argv);
|
|
|
|
memset (&arguments, 0, sizeof (struct arguments));
|
|
arguments.device_max = argc + 1;
|
|
arguments.devices = xmalloc ((arguments.device_max + 1)
|
|
* sizeof (arguments.devices[0]));
|
|
memset (arguments.devices, 0, (arguments.device_max + 1)
|
|
* sizeof (arguments.devices[0]));
|
|
|
|
/* Parse our arguments */
|
|
if (argp_parse (&argp, argc, argv, 0, 0, &arguments) != 0)
|
|
{
|
|
fprintf (stderr, "%s", _("Error in parsing command line arguments\n"));
|
|
exit(1);
|
|
}
|
|
|
|
if (verbosity > 1)
|
|
grub_env_set ("debug", "all");
|
|
|
|
/* Obtain ARGUMENT. */
|
|
if (arguments.ndevices != 1 && !argument_is_device)
|
|
{
|
|
char *program = xstrdup(program_name);
|
|
fprintf (stderr, _("Unknown extra argument `%s'."), arguments.devices[1]);
|
|
fprintf (stderr, "\n");
|
|
argp_help (&argp, stderr, ARGP_HELP_STD_USAGE, program);
|
|
free (program);
|
|
exit(1);
|
|
}
|
|
|
|
/* Initialize the emulated biosdisk driver. */
|
|
grub_util_biosdisk_init (arguments.dev_map ? : DEFAULT_DEVICE_MAP);
|
|
|
|
/* Initialize all modules. */
|
|
grub_init_all ();
|
|
grub_gcry_init_all ();
|
|
|
|
grub_lvm_fini ();
|
|
grub_mdraid09_fini ();
|
|
grub_mdraid1x_fini ();
|
|
grub_diskfilter_fini ();
|
|
grub_diskfilter_init ();
|
|
grub_mdraid09_init ();
|
|
grub_mdraid1x_init ();
|
|
grub_lvm_init ();
|
|
|
|
if (print == PRINT_BIOS_HINT
|
|
|| print == PRINT_IEEE1275_HINT || print == PRINT_BAREMETAL_HINT
|
|
|| print == PRINT_EFI_HINT || print == PRINT_ARC_HINT)
|
|
delim = ' ';
|
|
else
|
|
delim = '\n';
|
|
|
|
if (arguments.zero_delim)
|
|
delim = '\0';
|
|
|
|
/* Do it. */
|
|
if (argument_is_device)
|
|
probe (NULL, arguments.devices, delim);
|
|
else
|
|
probe (arguments.devices[0], NULL, delim);
|
|
|
|
if (delim == ' ')
|
|
putchar ('\n');
|
|
|
|
/* Free resources. */
|
|
grub_gcry_fini_all ();
|
|
grub_fini_all ();
|
|
grub_util_biosdisk_fini ();
|
|
|
|
{
|
|
size_t i;
|
|
for (i = 0; i < arguments.ndevices; i++)
|
|
free (arguments.devices[i]);
|
|
}
|
|
free (arguments.devices);
|
|
|
|
free (arguments.dev_map);
|
|
|
|
return 0;
|
|
}
|