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/*
* 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.
*
* $FreeBSD$
*/
#include <sys/types.h>
#include <sys/gpt.h>
#include <err.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <uuid.h>
#include "map.h"
#include "gpt.h"
static void
usage_show(void)
{
fprintf(stderr,
"usage: %s device ...\n", getprogname());
exit(1);
}
static const char *
friendly(uuid_t *t)
{
uuid_t efi_slice = GPT_ENT_TYPE_EFI;
uuid_t freebsd = GPT_ENT_TYPE_FREEBSD;
uuid_t swap = GPT_ENT_TYPE_FREEBSD_SWAP;
uuid_t ufs = GPT_ENT_TYPE_FREEBSD_UFS;
uuid_t vinum = GPT_ENT_TYPE_FREEBSD_VINUM;
uuid_t ext = GPT_ENT_TYPE_MS_BASIC_DATA;
static char buf[80];
char *s;
if (memcmp(t, &efi_slice, sizeof(uuid_t)) == 0)
return "EFI System partition";
else if (memcmp(t, &freebsd, sizeof(uuid_t)) == 0)
return "FreeBSD disklabel container";
else if (memcmp(t, &swap, sizeof(uuid_t)) == 0)
return "FreeBSD swap partition";
else if (memcmp(t, &ufs, sizeof(uuid_t)) == 0)
return "FreeBSD ufs partition";
else if (memcmp(t, &vinum, sizeof(uuid_t)) == 0)
return "FreeBSD vinum partition";
else if (memcmp(t, &ext, sizeof(uuid_t)) == 0)
return "Linux/Windows";
uuid_to_string(t, &s, NULL);
strlcpy(buf, s, sizeof buf);
free(s);
return buf;
}
static void
show(int fd __unused)
{
off_t start, end;
map_t *m, *p;
struct mbr *mbr;
struct gpt_ent *ent;
unsigned int i;
printf(" %*s", lbawidth, "start");
printf(" %*s", lbawidth, "end");
printf(" %*s", lbawidth, "size");
printf(" %s\n", "contents");
m = map_first();
while (m != NULL) {
end = m->map_start + m->map_size - 1;
printf(" %*llu", lbawidth, (long long)m->map_start);
printf(" %*llu", lbawidth, (long long)end);
printf(" %*llu", lbawidth, (long long)m->map_size);
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 = mbr->mbr_part[i].part_start_hi << 16;
start += 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;
printf("- %s", friendly(&ent->ent_type));
break;
case MAP_TYPE_PMBR:
printf("PMBR");
break;
}
putchar('\n');
m = m->map_next;
}
}
int
cmd_show(int argc, char *argv[])
{
int ch, fd;
while ((ch = getopt(argc, argv, "")) != -1) {
switch(ch) {
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;
}
show(fd);
gpt_close(fd);
}
return (0);
}
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