391 lines
9.1 KiB
C
391 lines
9.1 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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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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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 1.44 2019/03/26 11:23:55 martin Exp $");
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#endif
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#include <sys/bootblock.h>
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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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#include "gpt_private.h"
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static int cmd_show(gpt_t, int, char *[]);
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static const char *showhelp[] = {
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"[-aglu] [-i index]",
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};
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#define SHOW_UUID 1
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#define SHOW_GUID 2
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#define SHOW_LABEL 4
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#define SHOW_ALL 8
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struct gpt_cmd c_show = {
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"show",
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cmd_show,
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showhelp, __arraycount(showhelp),
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GPT_READONLY,
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};
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#define usage() gpt_usage(NULL, &c_show)
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static void
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print_part_type(int map_type, int flags, void *map_data, off_t map_start)
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{
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off_t start;
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map_t 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 buf[128], *b = buf;
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uint8_t utfbuf[__arraycount(ent->ent_name) * 3 + 1];
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switch (map_type) {
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case MAP_TYPE_UNUSED:
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printf("Unused");
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break;
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case MAP_TYPE_MBR:
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if (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 = 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 (map_start == p->map_start + start)
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break;
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}
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if (i == 4) {
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/* wasn't there */
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printf("[partition not found?]");
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} else {
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printf("%d%s", mbr->mbr_part[i].part_typ,
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mbr->mbr_part[i].part_flag == 0x80 ?
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" (active)" : "");
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}
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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 = map_data;
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if (flags & SHOW_LABEL) {
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utf16_to_utf8(ent->ent_name,
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__arraycount(ent->ent_name), utfbuf,
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__arraycount(utfbuf));
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b = (char *)utfbuf;
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} else if (flags & SHOW_GUID) {
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gpt_uuid_snprintf( buf, sizeof(buf), "%d",
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ent->ent_guid);
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} else if (flags & SHOW_UUID) {
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gpt_uuid_snprintf(buf, sizeof(buf),
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"%d", ent->ent_type);
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} else {
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gpt_uuid_snprintf(buf, sizeof(buf), "%ls",
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ent->ent_type);
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}
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printf("- %s", b);
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break;
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case MAP_TYPE_PMBR:
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printf("PMBR");
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mbr = map_data;
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if (mbr->mbr_part[0].part_typ == MBR_PTYPE_PMBR &&
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mbr->mbr_part[0].part_flag == 0x80)
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printf(" (active)");
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break;
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default:
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printf("Unknown %#x", map_type);
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break;
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}
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}
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static int
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show(gpt_t gpt, int xshow)
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{
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map_t m;
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printf(" %*s", gpt->lbawidth, "start");
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printf(" %*s", gpt->lbawidth, "size");
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printf(" index contents\n");
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m = map_first(gpt);
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while (m != NULL) {
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printf(" %*llu", gpt->lbawidth, (long long)m->map_start);
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printf(" %*llu", gpt->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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print_part_type(m->map_type, xshow, m->map_data, m->map_start);
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putchar('\n');
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m = m->map_next;
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}
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return 0;
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}
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static void
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gpt_show_sec_num(const char *prompt, int64_t secsize, off_t num)
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{
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#ifdef HN_AUTOSCALE
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char human_num[5];
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if (humanize_number(human_num, sizeof(human_num),
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(int64_t)num*secsize,
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"", HN_AUTOSCALE, HN_NOSPACE|HN_B) < 0)
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human_num[0] = '\0';
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#endif
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printf("%s: %" PRIu64, prompt, (uint64_t)num);
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#ifdef HN_AUTOSCALE
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if (human_num[0] != '\0')
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printf(" (%s)", human_num);
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#endif
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printf("\n");
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}
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static int
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show_one(gpt_t gpt, unsigned int entry)
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{
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map_t m;
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struct gpt_ent *ent;
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char s1[128], s2[128];
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uint8_t utfbuf[__arraycount(ent->ent_name) * 3 + 1];
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for (m = map_first(gpt); 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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gpt_warnx(gpt, "Could not find index %d", entry);
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return -1;
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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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gpt_show_sec_num("Start", gpt->secsz, m->map_start);
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gpt_show_sec_num("Size", gpt->secsz, m->map_size);
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gpt_uuid_snprintf(s1, sizeof(s1), "%s", ent->ent_type);
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gpt_uuid_snprintf(s2, sizeof(s2), "%d", ent->ent_type);
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if (strcmp(s1, s2) == 0)
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strlcpy(s1, "unknown", sizeof(s1));
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printf("Type: %s (%s)\n", s1, s2);
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gpt_uuid_snprintf(s2, sizeof(s1), "%d", ent->ent_guid);
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printf("GUID: %s\n", s2);
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utf16_to_utf8(ent->ent_name, __arraycount(ent->ent_name), utfbuf,
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__arraycount(utfbuf));
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printf("Label: %s\n", (char *)utfbuf);
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printf("Attributes: ");
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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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char buf[1024];
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printf("%s\n", gpt_attr_list(buf, sizeof(buf), ent->ent_attr));
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}
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return 0;
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}
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static int
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show_all(gpt_t gpt)
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{
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map_t m;
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struct gpt_ent *ent;
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char s1[128], s2[128];
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#ifdef HN_AUTOSCALE
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char human_num[8];
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#endif
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uint8_t utfbuf[__arraycount(ent->ent_name) * 3 + 1];
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#define PFX " "
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printf(" %*s", gpt->lbawidth, "start");
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printf(" %*s", gpt->lbawidth, "size");
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printf(" index contents\n");
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m = map_first(gpt);
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while (m != NULL) {
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printf(" %*llu", gpt->lbawidth, (long long)m->map_start);
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printf(" %*llu", gpt->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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print_part_type(m->map_type, 0, m->map_data,
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m->map_start);
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putchar('\n');
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ent = m->map_data;
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gpt_uuid_snprintf(s1, sizeof(s1), "%s", ent->ent_type);
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gpt_uuid_snprintf(s2, sizeof(s2), "%d", ent->ent_type);
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if (strcmp(s1, s2) == 0)
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strlcpy(s1, "unknown", sizeof(s1));
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printf(PFX "Type: %s\n", s1);
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printf(PFX "TypeID: %s\n", s2);
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gpt_uuid_snprintf(s2, sizeof(s1), "%d", ent->ent_guid);
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printf(PFX "GUID: %s\n", s2);
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printf(PFX "Size: ");
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#ifdef HN_AUTOSCALE
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if (humanize_number(human_num, sizeof(human_num),
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(int64_t)(m->map_size * gpt->secsz),
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"", HN_AUTOSCALE, HN_B) < 0) {
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#endif
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printf("%ju",
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(int64_t)(m->map_size * gpt->secsz));
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#ifdef HN_AUTOSCALE
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} else {
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printf("%s", human_num);
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}
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#endif
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putchar('\n');
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utf16_to_utf8(ent->ent_name,
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__arraycount(ent->ent_name), utfbuf,
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__arraycount(utfbuf));
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printf(PFX "Label: %s\n", (char *)utfbuf);
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printf(PFX "Attributes: ");
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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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char buf[1024];
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printf("%s\n", gpt_attr_list(buf, sizeof(buf),
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ent->ent_attr));
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}
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} else {
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printf(" ");
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print_part_type(m->map_type, 0, m->map_data,
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m->map_start);
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putchar('\n');
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}
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m = m->map_next;
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}
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return 0;
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}
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static int
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cmd_show(gpt_t gpt, int argc, char *argv[])
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{
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int ch;
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int xshow = 0;
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unsigned int entry = 0;
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off_t start = 0;
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map_t m;
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while ((ch = getopt(argc, argv, "gi:b:lua")) != -1) {
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switch(ch) {
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case 'a':
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xshow |= SHOW_ALL;
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break;
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case 'g':
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xshow |= SHOW_GUID;
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break;
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case 'i':
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if (gpt_uint_get(gpt, &entry) == -1)
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return usage();
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break;
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case 'b':
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if (gpt_human_get(gpt, &start) == -1)
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return usage();
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break;
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case 'l':
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xshow |= SHOW_LABEL;
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break;
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case 'u':
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xshow |= SHOW_UUID;
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break;
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default:
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return usage();
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}
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}
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if (argc != optind)
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return usage();
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if (map_find(gpt, MAP_TYPE_PRI_GPT_HDR) == NULL)
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printf("GPT not found, displaying data from MBR.\n\n");
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if (xshow & SHOW_ALL)
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return show_all(gpt);
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if (start > 0) {
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for (m = map_first(gpt); m != NULL; m = m->map_next) {
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if (m->map_type != MAP_TYPE_GPT_PART ||
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m->map_index < 1)
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continue;
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if (start != m->map_start)
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continue;
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entry = m->map_index;
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break;
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}
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}
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return entry > 0 ? show_one(gpt, entry) : show(gpt, xshow);
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}
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