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7201d7b009
pluto2# gpt show da0 start end size contents 0 0 1 PMBR 1 1 1 Pri GPT header 2 33 32 Pri GPT table 34 401595 401562 GPT part - EFI System partition 401596 925883 524288 GPT part - FreeBSD ufs partition 925884 9314491 8388608 GPT part - FreeBSD swap partition ... It'll print a plain uuid string for unrecognized types.
176 lines
4.3 KiB
C
176 lines
4.3 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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* $FreeBSD$
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*/
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#include <sys/types.h>
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#include <sys/gpt.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 <uuid.h>
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#include "map.h"
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#include "gpt.h"
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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 device ...\n", getprogname());
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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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uuid_t efi_slice = GPT_ENT_TYPE_EFI;
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uuid_t freebsd = GPT_ENT_TYPE_FREEBSD;
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uuid_t swap = GPT_ENT_TYPE_FREEBSD_SWAP;
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uuid_t ufs = GPT_ENT_TYPE_FREEBSD_UFS;
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uuid_t vinum = GPT_ENT_TYPE_FREEBSD_VINUM;
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static char buf[80];
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char *s;
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if (memcmp(t, &efi_slice, sizeof(uuid_t)) == 0)
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return "EFI System partition";
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else if (memcmp(t, &freebsd, sizeof(uuid_t)) == 0)
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return "FreeBSD disklabel container";
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else if (memcmp(t, &swap, sizeof(uuid_t)) == 0)
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return "FreeBSD swap partition";
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else if (memcmp(t, &ufs, sizeof(uuid_t)) == 0)
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return "FreeBSD ufs partition";
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else if (memcmp(t, &vinum, sizeof(uuid_t)) == 0)
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return "FreeBSD vinum partition";
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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(int fd __unused)
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{
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off_t start, end;
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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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printf(" %*s", lbawidth, "start");
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printf(" %*s", lbawidth, "end");
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printf(" %*s", lbawidth, "size");
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printf(" %s\n", "contents");
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m = map_first();
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while (m != NULL) {
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end = m->map_start + m->map_size - 1;
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printf(" %*llu", lbawidth, (long long)m->map_start);
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printf(" %*llu", lbawidth, (long long)end);
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printf(" %*llu", lbawidth, (long long)m->map_size);
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putchar(' '); 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 = mbr->mbr_part[i].part_start_hi << 16;
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start += 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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printf("- %s", friendly(&ent->ent_type));
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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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int
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cmd_show(int argc, char *argv[])
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{
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int ch, fd;
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while ((ch = getopt(argc, argv, "")) != -1) {
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switch(ch) {
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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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show(fd);
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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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