| /* 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/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 <sys/stat.h> |
| #include <assert.h> |
| |
| #define _GNU_SOURCE 1 |
| #include <argp.h> |
| |
| #include "progname.h" |
| |
| enum { |
| PRINT_FS, |
| PRINT_FS_UUID, |
| PRINT_FS_LABEL, |
| PRINT_DRIVE, |
| PRINT_DEVICE, |
| PRINT_PARTMAP, |
| 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_ZERO_CHECK, |
| PRINT_DISK |
| }; |
| |
| static int print = PRINT_FS; |
| static unsigned int argument_is_device = 0; |
| |
| static void |
| probe_partmap (grub_disk_t disk) |
| { |
| 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 ", part->partmap->name); |
| |
| if (disk->dev->id == GRUB_DISK_DEVICE_DISKFILTER_ID) |
| grub_diskfilter_print_partmap (disk); |
| |
| /* In case of LVM/RAID, check the member devices as well. */ |
| if (disk->dev->memberlist) |
| { |
| list = disk->dev->memberlist (disk); |
| } |
| while (list) |
| { |
| probe_partmap (list->disk); |
| tmp = list->next; |
| free (list); |
| list = tmp; |
| } |
| } |
| |
| static void |
| probe_cryptodisk_uuid (grub_disk_t disk) |
| { |
| grub_disk_memberlist_t list = NULL, tmp; |
| |
| /* In case of LVM/RAID, check the member devices as well. */ |
| if (disk->dev->memberlist) |
| { |
| list = disk->dev->memberlist (disk); |
| } |
| while (list) |
| { |
| probe_cryptodisk_uuid (list->disk); |
| tmp = list->next; |
| free (list); |
| list = tmp; |
| } |
| if (disk->dev->id == GRUB_DISK_DEVICE_CRYPTODISK_ID) |
| grub_util_cryptodisk_print_uuid (disk); |
| } |
| |
| 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; |
| } |
| |
| /* Since OF path names can have "," characters in them, and GRUB |
| internally uses "," to indicate partitions (unlike OF which uses |
| ":" for this purpose) we escape such commas. */ |
| static char * |
| escape_of_path (const char *orig_path) |
| { |
| char *new_path, *d, c; |
| const char *p; |
| |
| if (!strchr (orig_path, ',')) |
| return (char *) xstrdup (orig_path); |
| |
| new_path = xmalloc (strlen (orig_path) * 2 + 1); |
| |
| p = orig_path; |
| d = new_path; |
| while ((c = *p++) != '\0') |
| { |
| if (c == ',') |
| *d++ = '\\'; |
| *d++ = c; |
| } |
| *d = 0; |
| |
| return new_path; |
| } |
| |
| static char * |
| guess_bios_drive (const char *orig_path) |
| { |
| char *canon; |
| char *ptr; |
| canon = canonicalize_file_name (orig_path); |
| if (!canon) |
| return NULL; |
| ptr = strrchr (orig_path, '/'); |
| if (ptr) |
| ptr++; |
| else |
| ptr = canon; |
| if ((ptr[0] == 's' || ptr[0] == 'h') && ptr[1] == 'd') |
| { |
| int num = ptr[2] - 'a'; |
| free (canon); |
| return xasprintf ("hd%d", num); |
| } |
| if (ptr[0] == 'f' && ptr[1] == 'd') |
| { |
| int num = atoi (ptr + 2); |
| free (canon); |
| return xasprintf ("fd%d", num); |
| } |
| free (canon); |
| return NULL; |
| } |
| |
| static char * |
| guess_efi_drive (const char *orig_path) |
| { |
| char *canon; |
| char *ptr; |
| canon = canonicalize_file_name (orig_path); |
| if (!canon) |
| return NULL; |
| ptr = strrchr (orig_path, '/'); |
| if (ptr) |
| ptr++; |
| else |
| ptr = canon; |
| if ((ptr[0] == 's' || ptr[0] == 'h') && ptr[1] == 'd') |
| { |
| int num = ptr[2] - 'a'; |
| free (canon); |
| return xasprintf ("hd%d", num); |
| } |
| if (ptr[0] == 'f' && ptr[1] == 'd') |
| { |
| int num = atoi (ptr + 2); |
| free (canon); |
| return xasprintf ("fd%d", num); |
| } |
| free (canon); |
| return NULL; |
| } |
| |
| static char * |
| guess_baremetal_drive (const char *orig_path) |
| { |
| char *canon; |
| char *ptr; |
| canon = canonicalize_file_name (orig_path); |
| if (!canon) |
| return NULL; |
| ptr = strrchr (orig_path, '/'); |
| if (ptr) |
| ptr++; |
| else |
| ptr = canon; |
| if (ptr[0] == 'h' && ptr[1] == 'd') |
| { |
| int num = ptr[2] - 'a'; |
| free (canon); |
| return xasprintf ("ata%d", num); |
| } |
| if (ptr[0] == 's' && ptr[1] == 'd') |
| { |
| int num = ptr[2] - 'a'; |
| free (canon); |
| return xasprintf ("ahci%d", num); |
| } |
| free (canon); |
| return NULL; |
| } |
| |
| static void |
| print_full_name (const char *drive, grub_device_t dev) |
| { |
| char *dname = escape_of_path (drive); |
| if (dev->disk->partition) |
| { |
| char *pname = grub_partition_get_name (dev->disk->partition); |
| printf ("%s,%s", dname, pname); |
| free (pname); |
| } |
| else |
| printf ("%s", dname); |
| free (dname); |
| } |
| |
| static void |
| probe_abstraction (grub_disk_t disk) |
| { |
| grub_disk_memberlist_t list = NULL, tmp; |
| int raid_level; |
| |
| if (disk->dev->memberlist) |
| list = disk->dev->memberlist (disk); |
| while (list) |
| { |
| probe_abstraction (list->disk); |
| |
| 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) |
| printf ("lvm "); |
| |
| if (disk->dev->id == GRUB_DISK_DEVICE_DISKFILTER_ID |
| && grub_memcmp (disk->name, "ldm/", sizeof ("ldm/") - 1) == 0) |
| printf ("ldm "); |
| |
| if (disk->dev->id == GRUB_DISK_DEVICE_CRYPTODISK_ID) |
| grub_util_cryptodisk_print_abstraction (disk); |
| |
| raid_level = probe_raid_level (disk); |
| if (raid_level >= 0) |
| { |
| printf ("diskfilter "); |
| if (disk->dev->raidname) |
| printf ("%s ", disk->dev->raidname (disk)); |
| } |
| if (raid_level == 5) |
| printf ("raid5rec "); |
| if (raid_level == 6) |
| printf ("raid6rec "); |
| } |
| |
| 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 = 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); |
| } |
| return; |
| } |
| |
| 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); |
| } |
| return; |
| } |
| |
| for (curdev = device_names; *curdev; curdev++) |
| { |
| grub_util_pull_device (*curdev); |
| ndev++; |
| } |
| |
| drives_names = xmalloc (sizeof (drives_names[0]) * (ndev + 1)); |
| |
| 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_get_size (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->uuid) |
| grub_util_error (_("%s does not support UUIDs"), fs->name); |
| |
| if (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->label) |
| grub_util_error (_("filesystem `%s' does not support labels"), |
| fs->name); |
| |
| if (fs->label (dev, &label) != GRUB_ERR_NONE) |
| grub_util_error ("%s", grub_errmsg); |
| |
| printf ("%s", label); |
| putchar (delim); |
| } |
| 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); |
| const 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 = stpcpy (tmp, "ieee1275/"); |
| strcpy (p, ofpath); |
| printf ("--hint-ieee1275='"); |
| print_full_name (tmp, dev); |
| printf ("' "); |
| free (tmp); |
| } |
| |
| biosname = guess_bios_drive (*curdev); |
| if (biosname) |
| { |
| printf ("--hint-bios="); |
| print_full_name (biosname, dev); |
| printf (" "); |
| } |
| free (biosname); |
| |
| efi = guess_efi_drive (*curdev); |
| if (efi) |
| { |
| printf ("--hint-efi="); |
| print_full_name (efi, dev); |
| printf (" "); |
| } |
| free (efi); |
| |
| bare = guess_baremetal_drive (*curdev); |
| if (bare) |
| { |
| printf ("--hint-baremetal="); |
| print_full_name (bare, dev); |
| printf (" "); |
| } |
| free (bare); |
| |
| /* FIXME: Add ARC hint. */ |
| |
| map = grub_util_biosdisk_get_compatibility_hint (dev->disk); |
| if (map) |
| { |
| printf ("--hint='"); |
| print_full_name (map, dev); |
| printf ("' "); |
| } |
| printf ("\n"); |
| |
| grub_device_close (dev); |
| continue; |
| } |
| |
| 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) |
| { |
| print_full_name (dev->disk->name, dev); |
| putchar (delim); |
| continue; |
| } |
| |
| if (print == PRINT_COMPATIBILITY_HINT) |
| { |
| const char *map; |
| char *biosname; |
| map = grub_util_biosdisk_get_compatibility_hint (dev->disk); |
| if (map) |
| { |
| print_full_name (map, dev); |
| putchar (delim); |
| grub_device_close (dev); |
| /* Compatibility hint is one device only. */ |
| break; |
| } |
| biosname = guess_bios_drive (*curdev); |
| if (biosname) |
| { |
| print_full_name (biosname, dev); |
| putchar (delim); |
| } |
| free (biosname); |
| grub_device_close (dev); |
| /* Compatibility hint is one device only. */ |
| if (biosname) |
| break; |
| continue; |
| } |
| |
| if (print == PRINT_BIOS_HINT) |
| { |
| char *biosname; |
| biosname = guess_bios_drive (*curdev); |
| if (biosname) |
| { |
| print_full_name (biosname, dev); |
| putchar (delim); |
| } |
| free (biosname); |
| grub_device_close (dev); |
| continue; |
| } |
| if (print == PRINT_IEEE1275_HINT) |
| { |
| const char *osdev = grub_util_biosdisk_get_osdev (dev->disk); |
| const char *ofpath = grub_util_devname_to_ofpath (osdev); |
| const char *map; |
| |
| map = grub_util_biosdisk_get_compatibility_hint (dev->disk); |
| if (map) |
| { |
| print_full_name (map, dev); |
| putchar (delim); |
| } |
| |
| if (ofpath) |
| { |
| char *tmp = xmalloc (strlen (ofpath) + sizeof ("ieee1275/")); |
| char *p; |
| p = stpcpy (tmp, "ieee1275/"); |
| strcpy (p, ofpath); |
| print_full_name (tmp, dev); |
| free (tmp); |
| putchar (delim); |
| } |
| |
| grub_device_close (dev); |
| continue; |
| } |
| if (print == PRINT_EFI_HINT) |
| { |
| char *biosname; |
| const char *map; |
| biosname = guess_efi_drive (*curdev); |
| |
| map = grub_util_biosdisk_get_compatibility_hint (dev->disk); |
| if (map) |
| { |
| print_full_name (map, dev); |
| putchar (delim); |
| } |
| if (biosname) |
| { |
| print_full_name (biosname, dev); |
| putchar (delim); |
| } |
| |
| free (biosname); |
| grub_device_close (dev); |
| continue; |
| } |
| |
| if (print == PRINT_BAREMETAL_HINT) |
| { |
| char *biosname; |
| const char *map; |
| |
| biosname = guess_baremetal_drive (*curdev); |
| |
| map = grub_util_biosdisk_get_compatibility_hint (dev->disk); |
| if (map) |
| { |
| print_full_name (map, dev); |
| putchar (delim); |
| } |
| if (biosname) |
| { |
| print_full_name (biosname, dev); |
| putchar (delim); |
| } |
| |
| free (biosname); |
| grub_device_close (dev); |
| continue; |
| } |
| |
| if (print == PRINT_ARC_HINT) |
| { |
| const char *map; |
| |
| map = grub_util_biosdisk_get_compatibility_hint (dev->disk); |
| if (map) |
| { |
| print_full_name (map, dev); |
| putchar (delim); |
| } |
| |
| /* FIXME */ |
| grub_device_close (dev); |
| continue; |
| } |
| |
| if (print == PRINT_ABSTRACTION) |
| { |
| probe_abstraction (dev->disk); |
| putchar (delim); |
| grub_device_close (dev); |
| continue; |
| } |
| |
| if (print == PRINT_CRYPTODISK_UUID) |
| { |
| probe_cryptodisk_uuid (dev->disk); |
| putchar (delim); |
| grub_device_close (dev); |
| continue; |
| } |
| |
| if (print == PRINT_PARTMAP) |
| { |
| /* Check if dev->disk itself is contained in a partmap. */ |
| probe_partmap (dev->disk); |
| putchar (delim); |
| grub_device_close (dev); |
| continue; |
| } |
| |
| 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); |
| grub_device_close (dev); |
| continue; |
| } |
| } |
| |
| end: |
| for (curdrive = drives_names; *curdrive; curdrive++) |
| free (*curdrive); |
| free (drives_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', "(fs|fs_uuid|fs_label|drive|device|partmap|abstraction|cryptodisk_uuid|msdos_parttype)", 0, |
| N_("print filesystem module, GRUB drive, system device, partition map module, abstraction module or cryptographic container UUID [default=fs]"), 0}, |
| {"verbose", 'v', 0, 0, N_("print verbose messages."), 0}, |
| { 0, 0, 0, 0, 0, 0 } |
| }; |
| |
| static char * |
| help_filter (int key, const char *text, void *input __attribute__ ((unused))) |
| { |
| switch (key) |
| { |
| case 'm': |
| return xasprintf (text, DEFAULT_DEVICE_MAP); |
| |
| default: |
| return (char *) text; |
| } |
| } |
| |
| 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': |
| if (!strcmp (arg, "fs")) |
| print = PRINT_FS; |
| else if (!strcmp (arg, "fs_uuid")) |
| print = PRINT_FS_UUID; |
| else if (!strcmp (arg, "fs_label")) |
| print = PRINT_FS_LABEL; |
| else if (!strcmp (arg, "drive")) |
| print = PRINT_DRIVE; |
| else if (!strcmp (arg, "device")) |
| print = PRINT_DEVICE; |
| else if (!strcmp (arg, "partmap")) |
| print = PRINT_PARTMAP; |
| else if (!strcmp (arg, "abstraction")) |
| print = PRINT_ABSTRACTION; |
| else if (!strcmp (arg, "cryptodisk_uuid")) |
| print = PRINT_CRYPTODISK_UUID; |
| else if (!strcmp (arg, "msdos_parttype")) |
| print = PRINT_MSDOS_PARTTYPE; |
| else if (!strcmp (arg, "hints_string")) |
| print = PRINT_HINT_STR; |
| else if (!strcmp (arg, "bios_hints")) |
| print = PRINT_BIOS_HINT; |
| else if (!strcmp (arg, "ieee1275_hints")) |
| print = PRINT_IEEE1275_HINT; |
| else if (!strcmp (arg, "baremetal_hints")) |
| print = PRINT_BAREMETAL_HINT; |
| else if (!strcmp (arg, "efi_hints")) |
| print = PRINT_EFI_HINT; |
| else if (!strcmp (arg, "arc_hints")) |
| print = PRINT_ARC_HINT; |
| else if (!strcmp (arg, "compatibility_hint")) |
| print = PRINT_COMPATIBILITY_HINT; |
| else if (strcmp (arg, "zero_check") == 0) |
| print = PRINT_ZERO_CHECK; |
| else if (!strcmp (arg, "disk")) |
| print = PRINT_DISK; |
| else |
| 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; |
| |
| set_program_name (argv[0]); |
| |
| grub_util_init_nls (); |
| |
| 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 (!arguments.zero_delim && (print == PRINT_BIOS_HINT |
| || print == PRINT_IEEE1275_HINT |
| || print == PRINT_BAREMETAL_HINT |
| || print == PRINT_EFI_HINT |
| || print == PRINT_ARC_HINT)) |
| 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; |
| } |