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