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show.c revision 1.6
      1  1.1  christos /*-
      2  1.1  christos  * Copyright (c) 2002 Marcel Moolenaar
      3  1.1  christos  * All rights reserved.
      4  1.1  christos  *
      5  1.1  christos  * Redistribution and use in source and binary forms, with or without
      6  1.1  christos  * modification, are permitted provided that the following conditions
      7  1.1  christos  * are met:
      8  1.1  christos  *
      9  1.1  christos  * 1. Redistributions of source code must retain the above copyright
     10  1.1  christos  *    notice, this list of conditions and the following disclaimer.
     11  1.1  christos  * 2. Redistributions in binary form must reproduce the above copyright
     12  1.1  christos  *    notice, this list of conditions and the following disclaimer in the
     13  1.1  christos  *    documentation and/or other materials provided with the distribution.
     14  1.1  christos  *
     15  1.1  christos  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  1.1  christos  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  1.1  christos  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  1.1  christos  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  1.1  christos  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     20  1.1  christos  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     21  1.1  christos  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     22  1.1  christos  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  1.1  christos  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     24  1.1  christos  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  1.1  christos  */
     26  1.1  christos 
     27  1.1  christos #include <sys/cdefs.h>
     28  1.2  christos #ifdef __FBSDID
     29  1.1  christos __FBSDID("$FreeBSD: src/sbin/gpt/show.c,v 1.14 2006/06/22 22:22:32 marcel Exp $");
     30  1.2  christos #endif
     31  1.2  christos #ifdef __RCSID
     32  1.6  jakllsch __RCSID("$NetBSD: show.c,v 1.6 2011/01/06 16:30:40 jakllsch Exp $");
     33  1.2  christos #endif
     34  1.1  christos 
     35  1.1  christos #include <sys/types.h>
     36  1.1  christos 
     37  1.1  christos #include <err.h>
     38  1.1  christos #include <stddef.h>
     39  1.1  christos #include <stdio.h>
     40  1.1  christos #include <stdlib.h>
     41  1.1  christos #include <string.h>
     42  1.1  christos #include <unistd.h>
     43  1.1  christos 
     44  1.1  christos #include "map.h"
     45  1.1  christos #include "gpt.h"
     46  1.1  christos 
     47  1.1  christos static int show_label = 0;
     48  1.1  christos static int show_uuid = 0;
     49  1.1  christos 
     50  1.3       riz const char showmsg[] = "show [-lu] device ...";
     51  1.3       riz 
     52  1.1  christos static void
     53  1.1  christos usage_show(void)
     54  1.1  christos {
     55  1.1  christos 
     56  1.1  christos 	fprintf(stderr,
     57  1.3       riz 	    "usage: %s %s\n", getprogname(), showmsg);
     58  1.1  christos 	exit(1);
     59  1.1  christos }
     60  1.1  christos 
     61  1.1  christos static const char *
     62  1.1  christos friendly(uuid_t *t)
     63  1.1  christos {
     64  1.1  christos 	static uuid_t efi_slice = GPT_ENT_TYPE_EFI;
     65  1.5  christos 	static uuid_t bios_boot = GPT_ENT_TYPE_BIOS;
     66  1.1  christos 	static uuid_t mslinux = GPT_ENT_TYPE_MS_BASIC_DATA;
     67  1.1  christos 	static uuid_t freebsd = GPT_ENT_TYPE_FREEBSD;
     68  1.1  christos 	static uuid_t hfs = GPT_ENT_TYPE_APPLE_HFS;
     69  1.1  christos 	static uuid_t linuxswap = GPT_ENT_TYPE_LINUX_SWAP;
     70  1.1  christos 	static uuid_t msr = GPT_ENT_TYPE_MS_RESERVED;
     71  1.1  christos 	static uuid_t swap = GPT_ENT_TYPE_FREEBSD_SWAP;
     72  1.1  christos 	static uuid_t ufs = GPT_ENT_TYPE_FREEBSD_UFS;
     73  1.1  christos 	static uuid_t vinum = GPT_ENT_TYPE_FREEBSD_VINUM;
     74  1.4       riz 	static uuid_t nb_swap = GPT_ENT_TYPE_NETBSD_SWAP;
     75  1.6  jakllsch 	static uuid_t nb_ffs = GPT_ENT_TYPE_NETBSD_FFS;
     76  1.4       riz 	static uuid_t nb_lfs = GPT_ENT_TYPE_NETBSD_LFS;
     77  1.4       riz 	static uuid_t nb_raid = GPT_ENT_TYPE_NETBSD_RAIDFRAME;
     78  1.4       riz 	static uuid_t nb_ccd = GPT_ENT_TYPE_NETBSD_CCD;
     79  1.4       riz 	static uuid_t nb_cgd = GPT_ENT_TYPE_NETBSD_CGD;
     80  1.1  christos 	static char buf[80];
     81  1.1  christos 	char *s;
     82  1.1  christos 
     83  1.1  christos 	if (show_uuid)
     84  1.1  christos 		goto unfriendly;
     85  1.1  christos 
     86  1.1  christos 	if (uuid_equal(t, &efi_slice, NULL))
     87  1.1  christos 		return ("EFI System");
     88  1.5  christos 	if (uuid_equal(t, &bios_boot, NULL))
     89  1.5  christos 		return ("BIOS Boot");
     90  1.4       riz 	if (uuid_equal(t, &nb_swap, NULL))
     91  1.4       riz 		return ("NetBSD swap");
     92  1.6  jakllsch 	if (uuid_equal(t, &nb_ffs, NULL))
     93  1.6  jakllsch 		return ("NetBSD FFSv1/FFSv2");
     94  1.4       riz 	if (uuid_equal(t, &nb_lfs, NULL))
     95  1.4       riz 		return ("NetBSD LFS");
     96  1.4       riz 	if (uuid_equal(t, &nb_raid, NULL))
     97  1.4       riz 		return ("NetBSD RAIDFrame component");
     98  1.4       riz 	if (uuid_equal(t, &nb_ccd, NULL))
     99  1.4       riz 		return ("NetBSD ccd component");
    100  1.4       riz 	if (uuid_equal(t, &nb_cgd, NULL))
    101  1.4       riz 		return ("NetBSD Cryptographic Disk");
    102  1.1  christos 	if (uuid_equal(t, &swap, NULL))
    103  1.1  christos 		return ("FreeBSD swap");
    104  1.1  christos 	if (uuid_equal(t, &ufs, NULL))
    105  1.1  christos 		return ("FreeBSD UFS/UFS2");
    106  1.1  christos 	if (uuid_equal(t, &vinum, NULL))
    107  1.1  christos 		return ("FreeBSD vinum");
    108  1.1  christos 
    109  1.1  christos 	if (uuid_equal(t, &freebsd, NULL))
    110  1.1  christos 		return ("FreeBSD legacy");
    111  1.1  christos 	if (uuid_equal(t, &mslinux, NULL))
    112  1.1  christos 		return ("Linux/Windows");
    113  1.1  christos 	if (uuid_equal(t, &linuxswap, NULL))
    114  1.1  christos 		return ("Linux swap");
    115  1.1  christos 	if (uuid_equal(t, &msr, NULL))
    116  1.1  christos 		return ("Windows reserved");
    117  1.1  christos 	if (uuid_equal(t, &hfs, NULL))
    118  1.1  christos 		return ("Apple HFS");
    119  1.1  christos 
    120  1.1  christos unfriendly:
    121  1.1  christos 	uuid_to_string(t, &s, NULL);
    122  1.1  christos 	strlcpy(buf, s, sizeof buf);
    123  1.1  christos 	free(s);
    124  1.1  christos 	return (buf);
    125  1.1  christos }
    126  1.1  christos 
    127  1.1  christos static void
    128  1.1  christos show(int fd __unused)
    129  1.1  christos {
    130  1.1  christos 	uuid_t type;
    131  1.1  christos 	off_t start;
    132  1.1  christos 	map_t *m, *p;
    133  1.1  christos 	struct mbr *mbr;
    134  1.1  christos 	struct gpt_ent *ent;
    135  1.1  christos 	unsigned int i;
    136  1.1  christos 
    137  1.1  christos 	printf("  %*s", lbawidth, "start");
    138  1.1  christos 	printf("  %*s", lbawidth, "size");
    139  1.1  christos 	printf("  index  contents\n");
    140  1.1  christos 
    141  1.1  christos 	m = map_first();
    142  1.1  christos 	while (m != NULL) {
    143  1.1  christos 		printf("  %*llu", lbawidth, (long long)m->map_start);
    144  1.1  christos 		printf("  %*llu", lbawidth, (long long)m->map_size);
    145  1.1  christos 		putchar(' ');
    146  1.1  christos 		putchar(' ');
    147  1.1  christos 		if (m->map_index > 0)
    148  1.1  christos 			printf("%5d", m->map_index);
    149  1.1  christos 		else
    150  1.1  christos 			printf("     ");
    151  1.1  christos 		putchar(' ');
    152  1.1  christos 		putchar(' ');
    153  1.1  christos 		switch (m->map_type) {
    154  1.1  christos 		case MAP_TYPE_MBR:
    155  1.1  christos 			if (m->map_start != 0)
    156  1.1  christos 				printf("Extended ");
    157  1.1  christos 			printf("MBR");
    158  1.1  christos 			break;
    159  1.1  christos 		case MAP_TYPE_PRI_GPT_HDR:
    160  1.1  christos 			printf("Pri GPT header");
    161  1.1  christos 			break;
    162  1.1  christos 		case MAP_TYPE_SEC_GPT_HDR:
    163  1.1  christos 			printf("Sec GPT header");
    164  1.1  christos 			break;
    165  1.1  christos 		case MAP_TYPE_PRI_GPT_TBL:
    166  1.1  christos 			printf("Pri GPT table");
    167  1.1  christos 			break;
    168  1.1  christos 		case MAP_TYPE_SEC_GPT_TBL:
    169  1.1  christos 			printf("Sec GPT table");
    170  1.1  christos 			break;
    171  1.1  christos 		case MAP_TYPE_MBR_PART:
    172  1.1  christos 			p = m->map_data;
    173  1.1  christos 			if (p->map_start != 0)
    174  1.1  christos 				printf("Extended ");
    175  1.1  christos 			printf("MBR part ");
    176  1.1  christos 			mbr = p->map_data;
    177  1.1  christos 			for (i = 0; i < 4; i++) {
    178  1.1  christos 				start = le16toh(mbr->mbr_part[i].part_start_hi);
    179  1.1  christos 				start = (start << 16) +
    180  1.1  christos 				    le16toh(mbr->mbr_part[i].part_start_lo);
    181  1.1  christos 				if (m->map_start == p->map_start + start)
    182  1.1  christos 					break;
    183  1.1  christos 			}
    184  1.1  christos 			printf("%d", mbr->mbr_part[i].part_typ);
    185  1.1  christos 			break;
    186  1.1  christos 		case MAP_TYPE_GPT_PART:
    187  1.1  christos 			printf("GPT part ");
    188  1.1  christos 			ent = m->map_data;
    189  1.1  christos 			if (show_label) {
    190  1.1  christos 				printf("- \"%s\"",
    191  1.1  christos 				    utf16_to_utf8(ent->ent_name));
    192  1.1  christos 			} else {
    193  1.1  christos 				le_uuid_dec(&ent->ent_type, &type);
    194  1.1  christos 				printf("- %s", friendly(&type));
    195  1.1  christos 			}
    196  1.1  christos 			break;
    197  1.1  christos 		case MAP_TYPE_PMBR:
    198  1.1  christos 			printf("PMBR");
    199  1.1  christos 			break;
    200  1.1  christos 		}
    201  1.1  christos 		putchar('\n');
    202  1.1  christos 		m = m->map_next;
    203  1.1  christos 	}
    204  1.1  christos }
    205  1.1  christos 
    206  1.1  christos int
    207  1.1  christos cmd_show(int argc, char *argv[])
    208  1.1  christos {
    209  1.1  christos 	int ch, fd;
    210  1.1  christos 
    211  1.1  christos 	while ((ch = getopt(argc, argv, "lu")) != -1) {
    212  1.1  christos 		switch(ch) {
    213  1.1  christos 		case 'l':
    214  1.1  christos 			show_label = 1;
    215  1.1  christos 			break;
    216  1.1  christos 		case 'u':
    217  1.1  christos 			show_uuid = 1;
    218  1.1  christos 			break;
    219  1.1  christos 		default:
    220  1.1  christos 			usage_show();
    221  1.1  christos 		}
    222  1.1  christos 	}
    223  1.1  christos 
    224  1.1  christos 	if (argc == optind)
    225  1.1  christos 		usage_show();
    226  1.1  christos 
    227  1.1  christos 	while (optind < argc) {
    228  1.1  christos 		fd = gpt_open(argv[optind++]);
    229  1.1  christos 		if (fd == -1) {
    230  1.1  christos 			warn("unable to open device '%s'", device_name);
    231  1.1  christos 			continue;
    232  1.1  christos 		}
    233  1.1  christos 
    234  1.1  christos 		show(fd);
    235  1.1  christos 
    236  1.1  christos 		gpt_close(fd);
    237  1.1  christos 	}
    238  1.1  christos 
    239  1.1  christos 	return (0);
    240  1.1  christos }
    241