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__FBSDID("$FreeBSD: src/sbin/gpt/show.c,v 1.14.2.2.6.1 2010/02/10 00:26:20 kensmith Exp $"); 29 30#include <sys/types.h> 31 32#include <err.h> 33#include <stddef.h> 34#include <stdio.h> 35#include <stdlib.h> 36#include <string.h> 37#include <unistd.h> 38 39#include "map.h" 40#include "gpt.h" 41 42static int show_label = 0; 43static int show_uuid = 0; 44 45static void 46usage_show(void) 47{ 48 49 fprintf(stderr, 50#ifdef __APPLE__ 51 "usage: %s [-l] device ...\n", getprogname()); 52#else 53 "usage: %s [-lu] device ...\n", getprogname()); 54#endif 55 exit(1); 56} 57 58static const char * 59friendly(uuid_t *t) 60{ 61#ifdef __APPLE__ 62 static char buf[40]; 63 64 uuid_unparse(*t, buf); 65 66 return (buf); 67#else 68 static uuid_t boot = GPT_ENT_TYPE_FREEBSD_BOOT; 69 static uuid_t efi_slice = GPT_ENT_TYPE_EFI; 70 static uuid_t mslinux = GPT_ENT_TYPE_MS_BASIC_DATA; 71 static uuid_t freebsd = GPT_ENT_TYPE_FREEBSD; 72 static uuid_t hfs = GPT_ENT_TYPE_APPLE_HFS; 73 static uuid_t linuxswap = GPT_ENT_TYPE_LINUX_SWAP; 74 static uuid_t msr = GPT_ENT_TYPE_MS_RESERVED; 75 static uuid_t swap = GPT_ENT_TYPE_FREEBSD_SWAP; 76 static uuid_t ufs = GPT_ENT_TYPE_FREEBSD_UFS; 77 static uuid_t vinum = GPT_ENT_TYPE_FREEBSD_VINUM; 78 static uuid_t zfs = GPT_ENT_TYPE_FREEBSD_ZFS; 79 static char buf[80]; 80 char *s; 81 82 if (show_uuid) 83 goto unfriendly; 84 85 if (uuid_equal(t, &efi_slice, NULL)) 86 return ("EFI System"); 87 if (uuid_equal(t, &boot, NULL)) 88 return ("FreeBSD boot"); 89 if (uuid_equal(t, &swap, NULL)) 90 return ("FreeBSD swap"); 91 if (uuid_equal(t, &ufs, NULL)) 92 return ("FreeBSD UFS/UFS2"); 93 if (uuid_equal(t, &vinum, NULL)) 94 return ("FreeBSD vinum"); 95 if (uuid_equal(t, &zfs, NULL)) 96 return ("FreeBSD ZFS"); 97 98 if (uuid_equal(t, &freebsd, NULL)) 99 return ("FreeBSD legacy"); 100 if (uuid_equal(t, &mslinux, NULL)) 101 return ("Linux/Windows"); 102 if (uuid_equal(t, &linuxswap, NULL)) 103 return ("Linux swap"); 104 if (uuid_equal(t, &msr, NULL)) 105 return ("Windows reserved"); 106 if (uuid_equal(t, &hfs, NULL)) 107 return ("Apple HFS"); 108 109unfriendly: 110 uuid_to_string(t, &s, NULL); 111 strlcpy(buf, s, sizeof buf); 112 free(s); 113 return (buf); 114#endif 115} 116 117static void 118show(int fd __unused) 119{ 120 uuid_t type; 121 off_t start; 122 map_t *m, *p; 123 struct mbr *mbr; 124 struct gpt_ent *ent; 125 unsigned int i; 126 127 printf(" %*s", lbawidth, "start"); 128 printf(" %*s", lbawidth, "size"); 129 printf(" index contents\n"); 130 131 m = map_first(); 132 while (m != NULL) { 133 printf(" %*llu", lbawidth, (long long)m->map_start); 134 printf(" %*llu", lbawidth, (long long)m->map_size); 135 putchar(' '); 136 putchar(' '); 137 if (m->map_index > 0) 138 printf("%5d", m->map_index); 139 else 140 printf(" "); 141 putchar(' '); 142 putchar(' '); 143 switch (m->map_type) { 144 case MAP_TYPE_MBR: 145 if (m->map_start != 0) 146 printf("Extended "); 147 printf("MBR"); 148 break; 149 case MAP_TYPE_PRI_GPT_HDR: 150 printf("Pri GPT header"); 151 break; 152 case MAP_TYPE_SEC_GPT_HDR: 153 printf("Sec GPT header"); 154 break; 155 case MAP_TYPE_PRI_GPT_TBL: 156 printf("Pri GPT table"); 157 break; 158 case MAP_TYPE_SEC_GPT_TBL: 159 printf("Sec GPT table"); 160 break; 161 case MAP_TYPE_MBR_PART: 162 p = m->map_data; 163 if (p->map_start != 0) 164 printf("Extended "); 165 printf("MBR part "); 166 mbr = p->map_data; 167 for (i = 0; i < 4; i++) { 168 start = le16toh(mbr->mbr_part[i].part_start_hi); 169 start = (start << 16) + 170 le16toh(mbr->mbr_part[i].part_start_lo); 171 if (m->map_start == p->map_start + start) 172 break; 173 } 174 printf("%d", mbr->mbr_part[i].part_typ); 175 break; 176 case MAP_TYPE_GPT_PART: 177 printf("GPT part "); 178 ent = m->map_data; 179 if (show_label) { 180 printf("- \"%s\"", 181 utf16_to_utf8(ent->ent_name)); 182 } else { 183 le_uuid_dec(&ent->ent_type, &type); 184 printf("- %s", friendly(&type)); 185 } 186 break; 187 case MAP_TYPE_PMBR: 188 printf("PMBR"); 189 break; 190 } 191 putchar('\n'); 192 m = m->map_next; 193 } 194} 195 196int 197cmd_show(int argc, char *argv[]) 198{ 199 int ch, fd; 200 201 readonly = 1; 202 203#ifdef __APPLE__ 204 while ((ch = getopt(argc, argv, "l")) != -1) { 205#else 206 while ((ch = getopt(argc, argv, "lu")) != -1) { 207#endif 208 switch(ch) { 209 case 'l': 210 show_label = 1; 211 break; 212 case 'u': 213 show_uuid = 1; 214 break; 215 default: 216 usage_show(); 217 } 218 } 219 220 if (argc == optind) 221 usage_show(); 222 223 while (optind < argc) { 224 fd = gpt_open(argv[optind++]); 225 if (fd == -1) { 226 warn("unable to open device '%s'", device_name); 227 return (1); 228 } 229 230 show(fd); 231 232 gpt_close(fd); 233 } 234 235 return (0); 236} 237