show.c revision 1.7.2.1
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 1.7.2.1 2013/01/23 00:05:31 yamt 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 47 static int show_label = 0; 48 static int show_uuid = 0; 49 50 const char showmsg[] = "show [-lu] device ..."; 51 52 __dead static void 53 usage_show(void) 54 { 55 56 fprintf(stderr, 57 "usage: %s %s\n", getprogname(), showmsg); 58 exit(1); 59 } 60 61 static const char * 62 friendly(uuid_t *t) 63 { 64 static uuid_t efi_slice = GPT_ENT_TYPE_EFI; 65 static uuid_t bios_boot = GPT_ENT_TYPE_BIOS; 66 static uuid_t msdata = GPT_ENT_TYPE_MS_BASIC_DATA; 67 static uuid_t freebsd = GPT_ENT_TYPE_FREEBSD; 68 static uuid_t hfs = GPT_ENT_TYPE_APPLE_HFS; 69 static uuid_t linuxdata = GPT_ENT_TYPE_LINUX_DATA; 70 static uuid_t linuxswap = GPT_ENT_TYPE_LINUX_SWAP; 71 static uuid_t msr = GPT_ENT_TYPE_MS_RESERVED; 72 static uuid_t swap = GPT_ENT_TYPE_FREEBSD_SWAP; 73 static uuid_t ufs = GPT_ENT_TYPE_FREEBSD_UFS; 74 static uuid_t vinum = GPT_ENT_TYPE_FREEBSD_VINUM; 75 static uuid_t nb_swap = GPT_ENT_TYPE_NETBSD_SWAP; 76 static uuid_t nb_ffs = GPT_ENT_TYPE_NETBSD_FFS; 77 static uuid_t nb_lfs = GPT_ENT_TYPE_NETBSD_LFS; 78 static uuid_t nb_raid = GPT_ENT_TYPE_NETBSD_RAIDFRAME; 79 static uuid_t nb_ccd = GPT_ENT_TYPE_NETBSD_CCD; 80 static uuid_t nb_cgd = GPT_ENT_TYPE_NETBSD_CGD; 81 static char buf[80]; 82 char *s; 83 84 if (show_uuid) 85 goto unfriendly; 86 87 if (uuid_equal(t, &efi_slice, NULL)) 88 return ("EFI System"); 89 if (uuid_equal(t, &bios_boot, NULL)) 90 return ("BIOS Boot"); 91 if (uuid_equal(t, &nb_swap, NULL)) 92 return ("NetBSD swap"); 93 if (uuid_equal(t, &nb_ffs, NULL)) 94 return ("NetBSD FFSv1/FFSv2"); 95 if (uuid_equal(t, &nb_lfs, NULL)) 96 return ("NetBSD LFS"); 97 if (uuid_equal(t, &nb_raid, NULL)) 98 return ("NetBSD RAIDFrame component"); 99 if (uuid_equal(t, &nb_ccd, NULL)) 100 return ("NetBSD ccd component"); 101 if (uuid_equal(t, &nb_cgd, NULL)) 102 return ("NetBSD Cryptographic Disk"); 103 if (uuid_equal(t, &swap, NULL)) 104 return ("FreeBSD swap"); 105 if (uuid_equal(t, &ufs, NULL)) 106 return ("FreeBSD UFS/UFS2"); 107 if (uuid_equal(t, &vinum, NULL)) 108 return ("FreeBSD vinum"); 109 110 if (uuid_equal(t, &freebsd, NULL)) 111 return ("FreeBSD legacy"); 112 if (uuid_equal(t, &msdata, NULL)) 113 return ("Windows basic data"); 114 if (uuid_equal(t, &msr, NULL)) 115 return ("Windows reserved"); 116 if (uuid_equal(t, &linuxdata, NULL)) 117 return ("Linux data"); 118 if (uuid_equal(t, &linuxswap, NULL)) 119 return ("Linux swap"); 120 if (uuid_equal(t, &hfs, NULL)) 121 return ("Apple HFS"); 122 123 unfriendly: 124 uuid_to_string(t, &s, NULL); 125 strlcpy(buf, s, sizeof buf); 126 free(s); 127 return (buf); 128 } 129 130 static void 131 show(int fd __unused) 132 { 133 uuid_t type; 134 off_t start; 135 map_t *m, *p; 136 struct mbr *mbr; 137 struct gpt_ent *ent; 138 unsigned int i; 139 140 printf(" %*s", lbawidth, "start"); 141 printf(" %*s", lbawidth, "size"); 142 printf(" index contents\n"); 143 144 m = map_first(); 145 while (m != NULL) { 146 printf(" %*llu", lbawidth, (long long)m->map_start); 147 printf(" %*llu", lbawidth, (long long)m->map_size); 148 putchar(' '); 149 putchar(' '); 150 if (m->map_index > 0) 151 printf("%5d", m->map_index); 152 else 153 printf(" "); 154 putchar(' '); 155 putchar(' '); 156 switch (m->map_type) { 157 case MAP_TYPE_MBR: 158 if (m->map_start != 0) 159 printf("Extended "); 160 printf("MBR"); 161 break; 162 case MAP_TYPE_PRI_GPT_HDR: 163 printf("Pri GPT header"); 164 break; 165 case MAP_TYPE_SEC_GPT_HDR: 166 printf("Sec GPT header"); 167 break; 168 case MAP_TYPE_PRI_GPT_TBL: 169 printf("Pri GPT table"); 170 break; 171 case MAP_TYPE_SEC_GPT_TBL: 172 printf("Sec GPT table"); 173 break; 174 case MAP_TYPE_MBR_PART: 175 p = m->map_data; 176 if (p->map_start != 0) 177 printf("Extended "); 178 printf("MBR part "); 179 mbr = p->map_data; 180 for (i = 0; i < 4; i++) { 181 start = le16toh(mbr->mbr_part[i].part_start_hi); 182 start = (start << 16) + 183 le16toh(mbr->mbr_part[i].part_start_lo); 184 if (m->map_start == p->map_start + start) 185 break; 186 } 187 printf("%d", mbr->mbr_part[i].part_typ); 188 break; 189 case MAP_TYPE_GPT_PART: 190 printf("GPT part "); 191 ent = m->map_data; 192 if (show_label) { 193 printf("- \"%s\"", 194 utf16_to_utf8(ent->ent_name)); 195 } else { 196 le_uuid_dec(&ent->ent_type, &type); 197 printf("- %s", friendly(&type)); 198 } 199 break; 200 case MAP_TYPE_PMBR: 201 printf("PMBR"); 202 break; 203 } 204 putchar('\n'); 205 m = m->map_next; 206 } 207 } 208 209 int 210 cmd_show(int argc, char *argv[]) 211 { 212 int ch, fd; 213 214 while ((ch = getopt(argc, argv, "lu")) != -1) { 215 switch(ch) { 216 case 'l': 217 show_label = 1; 218 break; 219 case 'u': 220 show_uuid = 1; 221 break; 222 default: 223 usage_show(); 224 } 225 } 226 227 if (argc == optind) 228 usage_show(); 229 230 while (optind < argc) { 231 fd = gpt_open(argv[optind++]); 232 if (fd == -1) { 233 warn("unable to open device '%s'", device_name); 234 continue; 235 } 236 237 show(fd); 238 239 gpt_close(fd); 240 } 241 242 return (0); 243 } 244
Indexes created Sun Oct 19 21:10:07 GMT 2025