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-rw-r--r--util/grub-probe.c931
1 files changed, 931 insertions, 0 deletions
diff --git a/util/grub-probe.c b/util/grub-probe.c
new file mode 100644
index 0000000..c08e46b
--- /dev/null
+++ b/util/grub-probe.c
@@ -0,0 +1,931 @@
+/* grub-probe.c - probe device information for a given path */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <grub/types.h>
+#include <grub/emu/misc.h>
+#include <grub/util/misc.h>
+#include <grub/device.h>
+#include <grub/disk.h>
+#include <grub/file.h>
+#include <grub/fs.h>
+#include <grub/partition.h>
+#include <grub/msdos_partition.h>
+#include <grub/gpt_partition.h>
+#include <grub/i386/pc/boot.h>
+#include <grub/emu/hostdisk.h>
+#include <grub/emu/getroot.h>
+#include <grub/term.h>
+#include <grub/env.h>
+#include <grub/diskfilter.h>
+#include <grub/i18n.h>
+#include <grub/emu/misc.h>
+#include <grub/util/ofpath.h>
+#include <grub/crypto.h>
+#include <grub/cryptodisk.h>
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+#include <assert.h>
+
+#define _GNU_SOURCE 1
+
+#pragma GCC diagnostic ignored "-Wmissing-prototypes"
+#pragma GCC diagnostic ignored "-Wmissing-declarations"
+#include <argp.h>
+#pragma GCC diagnostic error "-Wmissing-prototypes"
+#pragma GCC diagnostic error "-Wmissing-declarations"
+
+#include "progname.h"
+
+enum {
+ PRINT_FS,
+ PRINT_FS_UUID,
+ PRINT_FS_LABEL,
+ PRINT_DRIVE,
+ PRINT_DEVICE,
+ PRINT_PARTMAP,
+ PRINT_PARTUUID,
+ PRINT_ABSTRACTION,
+ PRINT_CRYPTODISK_UUID,
+ PRINT_HINT_STR,
+ PRINT_BIOS_HINT,
+ PRINT_IEEE1275_HINT,
+ PRINT_BAREMETAL_HINT,
+ PRINT_EFI_HINT,
+ PRINT_ARC_HINT,
+ PRINT_COMPATIBILITY_HINT,
+ PRINT_MSDOS_PARTTYPE,
+ PRINT_GPT_PARTTYPE,
+ PRINT_ZERO_CHECK,
+ PRINT_DISK
+};
+
+static const char *targets[] =
+ {
+ [PRINT_FS] = "fs",
+ [PRINT_FS_UUID] = "fs_uuid",
+ [PRINT_FS_LABEL] = "fs_label",
+ [PRINT_DRIVE] = "drive",
+ [PRINT_DEVICE] = "device",
+ [PRINT_PARTMAP] = "partmap",
+ [PRINT_PARTUUID] = "partuuid",
+ [PRINT_ABSTRACTION] = "abstraction",
+ [PRINT_CRYPTODISK_UUID] = "cryptodisk_uuid",
+ [PRINT_HINT_STR] = "hints_string",
+ [PRINT_BIOS_HINT] = "bios_hints",
+ [PRINT_IEEE1275_HINT] = "ieee1275_hints",
+ [PRINT_BAREMETAL_HINT] = "baremetal_hints",
+ [PRINT_EFI_HINT] = "efi_hints",
+ [PRINT_ARC_HINT] = "arc_hints",
+ [PRINT_COMPATIBILITY_HINT] = "compatibility_hint",
+ [PRINT_MSDOS_PARTTYPE] = "msdos_parttype",
+ [PRINT_GPT_PARTTYPE] = "gpt_parttype",
+ [PRINT_ZERO_CHECK] = "zero_check",
+ [PRINT_DISK] = "disk",
+ };
+
+static int print = PRINT_FS;
+static unsigned int argument_is_device = 0;
+
+static char *
+get_targets_string (void)
+{
+ char **arr = xmalloc (sizeof (targets));
+ int len = 0;
+ char *str;
+ char *ptr;
+ unsigned i;
+
+ memcpy (arr, targets, sizeof (targets));
+ qsort (arr, ARRAY_SIZE (targets), sizeof (char *), grub_qsort_strcmp);
+ for (i = 0; i < ARRAY_SIZE (targets); i++)
+ len += grub_strlen (targets[i]) + 2;
+ ptr = str = xmalloc (len);
+ for (i = 0; i < ARRAY_SIZE (targets); i++)
+ {
+ ptr = grub_stpcpy (ptr, arr[i]);
+ *ptr++ = ',';
+ *ptr++ = ' ';
+ }
+ ptr[-2] = '\0';
+ free (arr);
+
+ return str;
+}
+
+static int
+print_gpt_guid (grub_gpt_part_guid_t guid)
+{
+ guid.data1 = grub_le_to_cpu32 (guid.data1);
+ guid.data2 = grub_le_to_cpu16 (guid.data2);
+ guid.data3 = grub_le_to_cpu16 (guid.data3);
+
+ return grub_printf ("%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+ guid.data1, guid.data2, guid.data3, guid.data4[0],
+ guid.data4[1], guid.data4[2], guid.data4[3],
+ guid.data4[4], guid.data4[5], guid.data4[6],
+ guid.data4[7]);
+}
+
+static void
+do_print (const char *x, void *data)
+{
+ char delim = *(const char *) data;
+ grub_printf ("%s%c", x, delim);
+}
+
+static void
+probe_partmap (grub_disk_t disk, char delim)
+{
+ grub_partition_t part;
+ grub_disk_memberlist_t list = NULL, tmp;
+
+ if (disk->partition == NULL)
+ {
+ grub_util_info ("no partition map found for %s", disk->name);
+ }
+
+ for (part = disk->partition; part; part = part->parent)
+ printf ("%s%c", part->partmap->name, delim);
+
+ if (disk->dev->id == GRUB_DISK_DEVICE_DISKFILTER_ID)
+ grub_diskfilter_get_partmap (disk, do_print, &delim);
+
+ /* In case of LVM/RAID, check the member devices as well. */
+ if (disk->dev->disk_memberlist)
+ {
+ list = disk->dev->disk_memberlist (disk);
+ }
+ while (list)
+ {
+ probe_partmap (list->disk, delim);
+ tmp = list->next;
+ free (list);
+ list = tmp;
+ }
+}
+
+static void
+probe_partuuid (grub_disk_t disk, char delim)
+{
+ grub_partition_t p = disk->partition;
+
+ /*
+ * Nested partitions not supported for now.
+ * Non-nested partitions must have disk->partition->parent == NULL
+ */
+ if (p && p->parent == NULL)
+ {
+ disk->partition = p->parent;
+
+ if (strcmp(p->partmap->name, "msdos") == 0)
+ {
+ /*
+ * The partition GUID for MSDOS is the partition number (starting
+ * with 1) prepended with the NT disk signature.
+ */
+ grub_uint32_t nt_disk_sig;
+
+ if (grub_disk_read (disk, 0, GRUB_BOOT_MACHINE_WINDOWS_NT_MAGIC,
+ sizeof(nt_disk_sig), &nt_disk_sig) == 0)
+ grub_printf ("%08x-%02x",
+ grub_le_to_cpu32(nt_disk_sig), 1 + p->number);
+ }
+ else if (strcmp(p->partmap->name, "gpt") == 0)
+ {
+ struct grub_gpt_partentry gptdata;
+
+ if (grub_disk_read (disk, p->offset, p->index,
+ sizeof(gptdata), &gptdata) == 0)
+ print_gpt_guid(gptdata.guid);
+ }
+
+ disk->partition = p;
+ }
+}
+
+static void
+probe_cryptodisk_uuid (grub_disk_t disk, char delim)
+{
+ grub_disk_memberlist_t list = NULL, tmp;
+
+ /* In case of LVM/RAID, check the member devices as well. */
+ if (disk->dev->disk_memberlist)
+ {
+ list = disk->dev->disk_memberlist (disk);
+ }
+ while (list)
+ {
+ probe_cryptodisk_uuid (list->disk, delim);
+ tmp = list->next;
+ free (list);
+ list = tmp;
+ }
+ if (disk->dev->id == GRUB_DISK_DEVICE_CRYPTODISK_ID)
+ {
+ const char *uu = grub_util_cryptodisk_get_uuid (disk);
+ grub_printf ("%s%c", uu, delim);
+ }
+}
+
+static int
+probe_raid_level (grub_disk_t disk)
+{
+ /* disk might be NULL in the case of a LVM physical volume with no LVM
+ signature. Ignore such cases here. */
+ if (!disk)
+ return -1;
+
+ if (disk->dev->id != GRUB_DISK_DEVICE_DISKFILTER_ID)
+ return -1;
+
+ if (disk->name[0] != 'm' || disk->name[1] != 'd')
+ return -1;
+
+ if (!((struct grub_diskfilter_lv *) disk->data)->segments)
+ return -1;
+ return ((struct grub_diskfilter_lv *) disk->data)->segments->type;
+}
+
+static void
+probe_abstraction (grub_disk_t disk, char delim)
+{
+ grub_disk_memberlist_t list = NULL, tmp;
+ int raid_level;
+
+ if (disk->dev->disk_memberlist)
+ list = disk->dev->disk_memberlist (disk);
+ while (list)
+ {
+ probe_abstraction (list->disk, delim);
+
+ tmp = list->next;
+ free (list);
+ list = tmp;
+ }
+
+ if (disk->dev->id == GRUB_DISK_DEVICE_DISKFILTER_ID
+ && (grub_memcmp (disk->name, "lvm/", sizeof ("lvm/") - 1) == 0 ||
+ grub_memcmp (disk->name, "lvmid/", sizeof ("lvmid/") - 1) == 0))
+ printf ("lvm%c", delim);
+
+ if (disk->dev->id == GRUB_DISK_DEVICE_DISKFILTER_ID
+ && grub_memcmp (disk->name, "ldm/", sizeof ("ldm/") - 1) == 0)
+ printf ("ldm%c", delim);
+
+ if (disk->dev->id == GRUB_DISK_DEVICE_CRYPTODISK_ID)
+ grub_util_cryptodisk_get_abstraction (disk, do_print, &delim);
+
+ raid_level = probe_raid_level (disk);
+ if (raid_level >= 0)
+ {
+ printf ("diskfilter%c", delim);
+ if (disk->dev->disk_raidname)
+ printf ("%s%c", disk->dev->disk_raidname (disk), delim);
+ }
+ if (raid_level == 5)
+ printf ("raid5rec%c", delim);
+ if (raid_level == 6)
+ printf ("raid6rec%c", delim);
+}
+
+static void
+probe (const char *path, char **device_names, char delim)
+{
+ char **drives_names = NULL;
+ char **curdev, **curdrive;
+ char *grub_path = NULL;
+ int ndev = 0;
+
+ if (path != NULL)
+ {
+ grub_path = grub_canonicalize_file_name (path);
+ if (! grub_path)
+ grub_util_error (_("failed to get canonical path of `%s'"), path);
+ device_names = grub_guess_root_devices (grub_path);
+ free (grub_path);
+ }
+
+ if (! device_names)
+ grub_util_error (_("cannot find a device for %s (is /dev mounted?)"), path);
+
+ if (print == PRINT_DEVICE)
+ {
+ for (curdev = device_names; *curdev; curdev++)
+ {
+ printf ("%s", *curdev);
+ putchar (delim);
+ }
+ goto free_device_names;
+ }
+
+ if (print == PRINT_DISK)
+ {
+ for (curdev = device_names; *curdev; curdev++)
+ {
+ char *disk;
+ disk = grub_util_get_os_disk (*curdev);
+ if (!disk)
+ {
+ grub_print_error ();
+ continue;
+ }
+ printf ("%s", disk);
+ putchar (delim);
+ free (disk);
+ }
+ goto free_device_names;
+ }
+
+ for (curdev = device_names; *curdev; curdev++)
+ {
+ grub_util_pull_device (*curdev);
+ ndev++;
+ }
+
+ drives_names = xcalloc (ndev + 1, sizeof (drives_names[0]));
+
+ for (curdev = device_names, curdrive = drives_names; *curdev; curdev++,
+ curdrive++)
+ {
+ *curdrive = grub_util_get_grub_dev (*curdev);
+ if (! *curdrive)
+ grub_util_error (_("cannot find a GRUB drive for %s. Check your device.map"),
+ *curdev);
+ }
+ *curdrive = 0;
+
+ if (print == PRINT_DRIVE)
+ {
+ for (curdrive = drives_names; *curdrive; curdrive++)
+ {
+ printf ("(%s)", *curdrive);
+ putchar (delim);
+ }
+ goto end;
+ }
+
+ if (print == PRINT_ZERO_CHECK)
+ {
+ for (curdev = drives_names; *curdev; curdev++)
+ {
+ grub_device_t dev = NULL;
+ grub_uint32_t buffer[32768];
+ grub_disk_addr_t addr;
+ grub_disk_addr_t dsize;
+
+ grub_util_info ("opening %s", *curdev);
+ dev = grub_device_open (*curdev);
+ if (! dev || !dev->disk)
+ grub_util_error ("%s", grub_errmsg);
+
+ dsize = grub_disk_native_sectors (dev->disk);
+ for (addr = 0; addr < dsize;
+ addr += sizeof (buffer) / GRUB_DISK_SECTOR_SIZE)
+ {
+ grub_size_t sz = sizeof (buffer);
+ grub_uint32_t *ptr;
+
+ if (sizeof (buffer) / GRUB_DISK_SECTOR_SIZE > dsize - addr)
+ sz = (dsize - addr) * GRUB_DISK_SECTOR_SIZE;
+ grub_disk_read (dev->disk, addr, 0, sz, buffer);
+
+ for (ptr = buffer; ptr < buffer + sz / sizeof (*buffer); ptr++)
+ if (*ptr)
+ {
+ grub_printf ("false\n");
+ grub_device_close (dev);
+ goto end;
+ }
+ }
+
+ grub_device_close (dev);
+ }
+ grub_printf ("true\n");
+ }
+
+ if (print == PRINT_FS || print == PRINT_FS_UUID
+ || print == PRINT_FS_LABEL)
+ {
+ grub_device_t dev = NULL;
+ grub_fs_t fs;
+
+ grub_util_info ("opening %s", drives_names[0]);
+ dev = grub_device_open (drives_names[0]);
+ if (! dev)
+ grub_util_error ("%s", grub_errmsg);
+
+ fs = grub_fs_probe (dev);
+ if (! fs)
+ grub_util_error ("%s", grub_errmsg);
+
+ if (print == PRINT_FS)
+ {
+ printf ("%s", fs->name);
+ putchar (delim);
+ }
+ else if (print == PRINT_FS_UUID)
+ {
+ char *uuid;
+ if (! fs->fs_uuid)
+ grub_util_error (_("%s does not support UUIDs"), fs->name);
+
+ if (fs->fs_uuid (dev, &uuid) != GRUB_ERR_NONE)
+ grub_util_error ("%s", grub_errmsg);
+
+ printf ("%s", uuid);
+ putchar (delim);
+ }
+ else if (print == PRINT_FS_LABEL)
+ {
+ char *label;
+ if (! fs->fs_label)
+ grub_util_error (_("filesystem `%s' does not support labels"),
+ fs->name);
+
+ if (fs->fs_label (dev, &label) != GRUB_ERR_NONE)
+ grub_util_error ("%s", grub_errmsg);
+
+ printf ("%s", label);
+ putchar (delim);
+ }
+ grub_device_close (dev);
+ goto end;
+ }
+
+ for (curdrive = drives_names, curdev = device_names; *curdrive;
+ curdrive++, curdev++)
+ {
+ grub_device_t dev = NULL;
+
+ grub_util_info ("opening %s", *curdrive);
+ dev = grub_device_open (*curdrive);
+ if (! dev)
+ grub_util_error ("%s", grub_errmsg);
+
+ if (print == PRINT_HINT_STR)
+ {
+ const char *osdev = grub_util_biosdisk_get_osdev (dev->disk);
+ char *ofpath = osdev ? grub_util_devname_to_ofpath (osdev) : 0;
+ char *biosname, *bare, *efi;
+ const char *map;
+
+ if (ofpath)
+ {
+ char *tmp = xmalloc (strlen (ofpath) + sizeof ("ieee1275/"));
+ char *p;
+ p = grub_stpcpy (tmp, "ieee1275/");
+ strcpy (p, ofpath);
+ printf ("--hint-ieee1275='");
+ grub_util_fprint_full_disk_name (stdout, tmp, dev);
+ printf ("' ");
+ free (tmp);
+ free (ofpath);
+ }
+
+ biosname = grub_util_guess_bios_drive (*curdev);
+ if (biosname)
+ {
+ printf ("--hint-bios=");
+ grub_util_fprint_full_disk_name (stdout, biosname, dev);
+ printf (" ");
+ }
+ free (biosname);
+
+ 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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-05 07:44:42 +0000