show.c revision 1.11
1/*- 2 * Copyright (c) 2002 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28#ifdef __FBSDID 29__FBSDID("$FreeBSD: src/sbin/gpt/show.c,v 1.14 2006/06/22 22:22:32 marcel Exp $"); 30#endif 31#ifdef __RCSID 32__RCSID("$NetBSD: show.c,v 1.11 2013/10/19 02:07:08 jnemeth Exp $"); 33#endif 34 35#include <sys/types.h> 36 37#include <err.h> 38#include <stddef.h> 39#include <stdio.h> 40#include <stdlib.h> 41#include <string.h> 42#include <unistd.h> 43 44#include "map.h" 45#include "gpt.h" 46 47static int show_label = 0; 48static int show_uuid = 0; 49 50const char showmsg[] = "show [-lu] device ..."; 51 52__dead static void 53usage_show(void) 54{ 55 56 fprintf(stderr, 57 "usage: %s %s\n", getprogname(), showmsg); 58 exit(1); 59} 60 61static const char * 62friendly(uuid_t *t) 63{ 64 static const uuid_t efi_slice = GPT_ENT_TYPE_EFI; 65 static const uuid_t bios_boot = GPT_ENT_TYPE_BIOS; 66 static const uuid_t msdata = GPT_ENT_TYPE_MS_BASIC_DATA; 67 static const uuid_t freebsd = GPT_ENT_TYPE_FREEBSD; 68 static const uuid_t hfs = GPT_ENT_TYPE_APPLE_HFS; 69 static const uuid_t linuxdata = GPT_ENT_TYPE_LINUX_DATA; 70 static const uuid_t linuxswap = GPT_ENT_TYPE_LINUX_SWAP; 71 static const uuid_t msr = GPT_ENT_TYPE_MS_RESERVED; 72 static const uuid_t swap = GPT_ENT_TYPE_FREEBSD_SWAP; 73 static const uuid_t ufs = GPT_ENT_TYPE_FREEBSD_UFS; 74 static const uuid_t vinum = GPT_ENT_TYPE_FREEBSD_VINUM; 75 static const uuid_t zfs = GPT_ENT_TYPE_FREEBSD_ZFS; 76 static const uuid_t nb_swap = GPT_ENT_TYPE_NETBSD_SWAP; 77 static const uuid_t nb_ffs = GPT_ENT_TYPE_NETBSD_FFS; 78 static const uuid_t nb_lfs = GPT_ENT_TYPE_NETBSD_LFS; 79 static const uuid_t nb_raid = GPT_ENT_TYPE_NETBSD_RAIDFRAME; 80 static const uuid_t nb_ccd = GPT_ENT_TYPE_NETBSD_CCD; 81 static const uuid_t nb_cgd = GPT_ENT_TYPE_NETBSD_CGD; 82 static char buf[80]; 83 char *s; 84 85 if (show_uuid) 86 goto unfriendly; 87 88 if (uuid_equal(t, &efi_slice, NULL)) 89 return ("EFI System"); 90 if (uuid_equal(t, &bios_boot, NULL)) 91 return ("BIOS Boot"); 92 if (uuid_equal(t, &nb_swap, NULL)) 93 return ("NetBSD swap"); 94 if (uuid_equal(t, &nb_ffs, NULL)) 95 return ("NetBSD FFSv1/FFSv2"); 96 if (uuid_equal(t, &nb_lfs, NULL)) 97 return ("NetBSD LFS"); 98 if (uuid_equal(t, &nb_raid, NULL)) 99 return ("NetBSD RAIDFrame component"); 100 if (uuid_equal(t, &nb_ccd, NULL)) 101 return ("NetBSD ccd component"); 102 if (uuid_equal(t, &nb_cgd, NULL)) 103 return ("NetBSD Cryptographic Disk"); 104 if (uuid_equal(t, &swap, NULL)) 105 return ("FreeBSD swap"); 106 if (uuid_equal(t, &ufs, NULL)) 107 return ("FreeBSD UFS/UFS2"); 108 if (uuid_equal(t, &vinum, NULL)) 109 return ("FreeBSD vinum"); 110 if (uuid_equal(t, &zfs, NULL)) 111 return ("FreeBSD ZFS"); 112 if (uuid_equal(t, &freebsd, NULL)) 113 return ("FreeBSD legacy"); 114 if (uuid_equal(t, &msdata, NULL)) 115 return ("Windows basic data"); 116 if (uuid_equal(t, &msr, NULL)) 117 return ("Windows reserved"); 118 if (uuid_equal(t, &linuxdata, NULL)) 119 return ("Linux data"); 120 if (uuid_equal(t, &linuxswap, NULL)) 121 return ("Linux swap"); 122 if (uuid_equal(t, &hfs, NULL)) 123 return ("Apple HFS"); 124 125unfriendly: 126 uuid_to_string(t, &s, NULL); 127 strlcpy(buf, s, sizeof buf); 128 free(s); 129 return (buf); 130} 131 132static void 133show(int fd __unused) 134{ 135 uuid_t type; 136 off_t start; 137 map_t *m, *p; 138 struct mbr *mbr; 139 struct gpt_ent *ent; 140 unsigned int i; 141 142 printf(" %*s", lbawidth, "start"); 143 printf(" %*s", lbawidth, "size"); 144 printf(" index contents\n"); 145 146 m = map_first(); 147 while (m != NULL) { 148 printf(" %*llu", lbawidth, (long long)m->map_start); 149 printf(" %*llu", lbawidth, (long long)m->map_size); 150 putchar(' '); 151 putchar(' '); 152 if (m->map_index > 0) 153 printf("%5d", m->map_index); 154 else 155 printf(" "); 156 putchar(' '); 157 putchar(' '); 158 switch (m->map_type) { 159 case MAP_TYPE_MBR: 160 if (m->map_start != 0) 161 printf("Extended "); 162 printf("MBR"); 163 break; 164 case MAP_TYPE_PRI_GPT_HDR: 165 printf("Pri GPT header"); 166 break; 167 case MAP_TYPE_SEC_GPT_HDR: 168 printf("Sec GPT header"); 169 break; 170 case MAP_TYPE_PRI_GPT_TBL: 171 printf("Pri GPT table"); 172 break; 173 case MAP_TYPE_SEC_GPT_TBL: 174 printf("Sec GPT table"); 175 break; 176 case MAP_TYPE_MBR_PART: 177 p = m->map_data; 178 if (p->map_start != 0) 179 printf("Extended "); 180 printf("MBR part "); 181 mbr = p->map_data; 182 for (i = 0; i < 4; i++) { 183 start = le16toh(mbr->mbr_part[i].part_start_hi); 184 start = (start << 16) + 185 le16toh(mbr->mbr_part[i].part_start_lo); 186 if (m->map_start == p->map_start + start) 187 break; 188 } 189 printf("%d", mbr->mbr_part[i].part_typ); 190 break; 191 case MAP_TYPE_GPT_PART: 192 printf("GPT part "); 193 ent = m->map_data; 194 if (show_label) { 195 printf("- \"%s\"", 196 utf16_to_utf8(ent->ent_name)); 197 } else { 198 le_uuid_dec(ent->ent_type, &type); 199 printf("- %s", friendly(&type)); 200 } 201 break; 202 case MAP_TYPE_PMBR: 203 printf("PMBR"); 204 break; 205 } 206 putchar('\n'); 207 m = m->map_next; 208 } 209} 210 211int 212cmd_show(int argc, char *argv[]) 213{ 214 int ch, fd; 215 216 while ((ch = getopt(argc, argv, "lu")) != -1) { 217 switch(ch) { 218 case 'l': 219 show_label = 1; 220 break; 221 case 'u': 222 show_uuid = 1; 223 break; 224 default: 225 usage_show(); 226 } 227 } 228 229 if (argc == optind) 230 usage_show(); 231 232 while (optind < argc) { 233 fd = gpt_open(argv[optind++]); 234 if (fd == -1) { 235 warn("unable to open device '%s'", device_name); 236 continue; 237 } 238 239 show(fd); 240 241 gpt_close(fd); 242 } 243 244 return (0); 245} 246