NetBSD/sbin/gpt/show.c

338 lines
8.7 KiB
C

/*-
* Copyright (c) 2002 Marcel Moolenaar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifdef __FBSDID
__FBSDID("$FreeBSD: src/sbin/gpt/show.c,v 1.14 2006/06/22 22:22:32 marcel Exp $");
#endif
#ifdef __RCSID
__RCSID("$NetBSD: show.c,v 1.15 2013/12/18 03:20:09 jnemeth Exp $");
#endif
#include <sys/types.h>
#include <err.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "map.h"
#include "gpt.h"
static int show_label = 0;
static int show_uuid = 0;
static int show_guid = 0;
static unsigned int entry = 0;
const char showmsg[] = "show [-glu] [-i index] device ...";
__dead static void
usage_show(void)
{
fprintf(stderr,
"usage: %s %s\n", getprogname(), showmsg);
exit(1);
}
static const char *
friendly(uuid_t *t)
{
static const uuid_t efi_slice = GPT_ENT_TYPE_EFI;
static const uuid_t bios_boot = GPT_ENT_TYPE_BIOS;
static const uuid_t msdata = GPT_ENT_TYPE_MS_BASIC_DATA;
static const uuid_t freebsd = GPT_ENT_TYPE_FREEBSD;
static const uuid_t hfs = GPT_ENT_TYPE_APPLE_HFS;
static const uuid_t linuxdata = GPT_ENT_TYPE_LINUX_DATA;
static const uuid_t linuxswap = GPT_ENT_TYPE_LINUX_SWAP;
static const uuid_t msr = GPT_ENT_TYPE_MS_RESERVED;
static const uuid_t swap = GPT_ENT_TYPE_FREEBSD_SWAP;
static const uuid_t ufs = GPT_ENT_TYPE_FREEBSD_UFS;
static const uuid_t vinum = GPT_ENT_TYPE_FREEBSD_VINUM;
static const uuid_t zfs = GPT_ENT_TYPE_FREEBSD_ZFS;
static const uuid_t nb_swap = GPT_ENT_TYPE_NETBSD_SWAP;
static const uuid_t nb_ffs = GPT_ENT_TYPE_NETBSD_FFS;
static const uuid_t nb_lfs = GPT_ENT_TYPE_NETBSD_LFS;
static const uuid_t nb_raid = GPT_ENT_TYPE_NETBSD_RAIDFRAME;
static const uuid_t nb_ccd = GPT_ENT_TYPE_NETBSD_CCD;
static const uuid_t nb_cgd = GPT_ENT_TYPE_NETBSD_CGD;
static char buf[80];
char *s;
if (show_uuid)
goto unfriendly;
if (uuid_equal(t, &efi_slice, NULL))
return ("EFI System");
if (uuid_equal(t, &bios_boot, NULL))
return ("BIOS Boot");
if (uuid_equal(t, &nb_swap, NULL))
return ("NetBSD swap");
if (uuid_equal(t, &nb_ffs, NULL))
return ("NetBSD FFSv1/FFSv2");
if (uuid_equal(t, &nb_lfs, NULL))
return ("NetBSD LFS");
if (uuid_equal(t, &nb_raid, NULL))
return ("NetBSD RAIDFrame component");
if (uuid_equal(t, &nb_ccd, NULL))
return ("NetBSD ccd component");
if (uuid_equal(t, &nb_cgd, NULL))
return ("NetBSD Cryptographic Disk");
if (uuid_equal(t, &swap, NULL))
return ("FreeBSD swap");
if (uuid_equal(t, &ufs, NULL))
return ("FreeBSD UFS/UFS2");
if (uuid_equal(t, &vinum, NULL))
return ("FreeBSD vinum");
if (uuid_equal(t, &zfs, NULL))
return ("FreeBSD ZFS");
if (uuid_equal(t, &freebsd, NULL))
return ("FreeBSD legacy");
if (uuid_equal(t, &msdata, NULL))
return ("Windows basic data");
if (uuid_equal(t, &msr, NULL))
return ("Windows reserved");
if (uuid_equal(t, &linuxdata, NULL))
return ("Linux data");
if (uuid_equal(t, &linuxswap, NULL))
return ("Linux swap");
if (uuid_equal(t, &hfs, NULL))
return ("Apple HFS");
unfriendly:
uuid_to_string(t, &s, NULL);
strlcpy(buf, s, sizeof buf);
free(s);
return (buf);
}
static void
show(void)
{
uuid_t guid, type;
off_t start;
map_t *m, *p;
struct mbr *mbr;
struct gpt_ent *ent;
unsigned int i;
char *s;
printf(" %*s", lbawidth, "start");
printf(" %*s", lbawidth, "size");
printf(" index contents\n");
m = map_first();
while (m != NULL) {
printf(" %*llu", lbawidth, (long long)m->map_start);
printf(" %*llu", lbawidth, (long long)m->map_size);
putchar(' ');
putchar(' ');
if (m->map_index > 0)
printf("%5d", m->map_index);
else
printf(" ");
putchar(' ');
putchar(' ');
switch (m->map_type) {
case MAP_TYPE_MBR:
if (m->map_start != 0)
printf("Extended ");
printf("MBR");
break;
case MAP_TYPE_PRI_GPT_HDR:
printf("Pri GPT header");
break;
case MAP_TYPE_SEC_GPT_HDR:
printf("Sec GPT header");
break;
case MAP_TYPE_PRI_GPT_TBL:
printf("Pri GPT table");
break;
case MAP_TYPE_SEC_GPT_TBL:
printf("Sec GPT table");
break;
case MAP_TYPE_MBR_PART:
p = m->map_data;
if (p->map_start != 0)
printf("Extended ");
printf("MBR part ");
mbr = p->map_data;
for (i = 0; i < 4; i++) {
start = le16toh(mbr->mbr_part[i].part_start_hi);
start = (start << 16) +
le16toh(mbr->mbr_part[i].part_start_lo);
if (m->map_start == p->map_start + start)
break;
}
printf("%d", mbr->mbr_part[i].part_typ);
break;
case MAP_TYPE_GPT_PART:
printf("GPT part ");
ent = m->map_data;
if (show_label) {
printf("- \"%s\"",
utf16_to_utf8(ent->ent_name));
} else if (show_guid) {
le_uuid_dec(ent->ent_guid, &guid);
uuid_to_string(&guid, &s, NULL);
printf("- %s", s);
free(s);
} else {
le_uuid_dec(ent->ent_type, &type);
printf("- %s", friendly(&type));
}
break;
case MAP_TYPE_PMBR:
printf("PMBR");
break;
}
putchar('\n');
m = m->map_next;
}
}
static void
show_one(void)
{
uuid_t guid, type;
map_t *m;
struct gpt_ent *ent;
const char *s1;
char *s2, human_num[5];
for (m = map_first(); m != NULL; m = m->map_next)
if (entry == m->map_index)
break;
if (m == NULL) {
warnx("%s: error: could not find index %d",
device_name, entry);
return;
}
ent = m->map_data;
printf("Details for index %d:\n", entry);
if (humanize_number(human_num, 5, (int64_t)(m->map_start * secsz),
"", HN_AUTOSCALE, HN_NOSPACE|HN_B) < 0)
human_num[0] = '\0';
if (human_num[0] != '\0')
printf("Start: %llu (%s)\n", (long long)m->map_start,
human_num);
else
printf("Start: %llu\n", (long long)m->map_start);
if (humanize_number(human_num, 5, (int64_t)(m->map_size * secsz),
"", HN_AUTOSCALE, HN_NOSPACE|HN_B) < 0)
human_num[0] = '\0';
if (human_num[0] != '\0')
printf("Size: %llu (%s)\n", (long long)m->map_size, human_num);
else
printf("Size: %llu\n", (long long)m->map_size);
le_uuid_dec(ent->ent_type, &type);
s1 = friendly(&type);
uuid_to_string(&type, &s2, NULL);
if (strcmp(s1, s2) == 0)
s1 = "unknown";
printf("Type: %s (%s)\n", s1, s2);
free(s2);
le_uuid_dec(ent->ent_guid, &guid);
uuid_to_string(&guid, &s2, NULL);
printf("GUID: %s\n", s2);
free(s2);
printf("Label: %s\n", utf16_to_utf8(ent->ent_name));
printf("Attributes:\n");
if (ent->ent_attr == 0)
printf(" None\n");
else {
if (ent->ent_attr & GPT_ENT_ATTR_REQUIRED_PARTITION)
printf(" required for platform to function\n");
if (ent->ent_attr & GPT_ENT_ATTR_NO_BLOCK_IO_PROTOCOL)
printf(" UEFI won't recognize file system\n");
if (ent->ent_attr & GPT_ENT_ATTR_LEGACY_BIOS_BOOTABLE)
printf(" legacy BIOS boot partition\n");
if (ent->ent_attr & GPT_ENT_ATTR_BOOTME)
printf(" indicates a bootable partition\n");
if (ent->ent_attr & GPT_ENT_ATTR_BOOTONCE)
printf(" attempt to boot this partition only once\n");
if (ent->ent_attr & GPT_ENT_ATTR_BOOTFAILED)
printf(" partition that was marked bootonce but failed to boot\n");
}
}
int
cmd_show(int argc, char *argv[])
{
char *p;
int ch, fd;
while ((ch = getopt(argc, argv, "gi:lu")) != -1) {
switch(ch) {
case 'g':
show_guid = 1;
break;
case 'i':
if (entry > 0)
usage_show();
entry = strtoul(optarg, &p, 10);
if (*p != 0 || entry < 1)
usage_show();
break;
case 'l':
show_label = 1;
break;
case 'u':
show_uuid = 1;
break;
default:
usage_show();
}
}
if (argc == optind)
usage_show();
while (optind < argc) {
fd = gpt_open(argv[optind++]);
if (fd == -1) {
warn("unable to open device '%s'", device_name);
continue;
}
if (entry > 0)
show_one();
else
show();
gpt_close(fd);
}
return (0);
}