show.c revision 1.6
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 1.6 2011/01/06 16:30:40 jakllsch 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 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 mslinux = 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 linuxswap = GPT_ENT_TYPE_LINUX_SWAP; 70 static uuid_t msr = GPT_ENT_TYPE_MS_RESERVED; 71 static uuid_t swap = GPT_ENT_TYPE_FREEBSD_SWAP; 72 static uuid_t ufs = GPT_ENT_TYPE_FREEBSD_UFS; 73 static uuid_t vinum = GPT_ENT_TYPE_FREEBSD_VINUM; 74 static uuid_t nb_swap = GPT_ENT_TYPE_NETBSD_SWAP; 75 static uuid_t nb_ffs = GPT_ENT_TYPE_NETBSD_FFS; 76 static uuid_t nb_lfs = GPT_ENT_TYPE_NETBSD_LFS; 77 static uuid_t nb_raid = GPT_ENT_TYPE_NETBSD_RAIDFRAME; 78 static uuid_t nb_ccd = GPT_ENT_TYPE_NETBSD_CCD; 79 static uuid_t nb_cgd = GPT_ENT_TYPE_NETBSD_CGD; 80 static char buf[80]; 81 char *s; 82 83 if (show_uuid) 84 goto unfriendly; 85 86 if (uuid_equal(t, &efi_slice, NULL)) 87 return ("EFI System"); 88 if (uuid_equal(t, &bios_boot, NULL)) 89 return ("BIOS Boot"); 90 if (uuid_equal(t, &nb_swap, NULL)) 91 return ("NetBSD swap"); 92 if (uuid_equal(t, &nb_ffs, NULL)) 93 return ("NetBSD FFSv1/FFSv2"); 94 if (uuid_equal(t, &nb_lfs, NULL)) 95 return ("NetBSD LFS"); 96 if (uuid_equal(t, &nb_raid, NULL)) 97 return ("NetBSD RAIDFrame component"); 98 if (uuid_equal(t, &nb_ccd, NULL)) 99 return ("NetBSD ccd component"); 100 if (uuid_equal(t, &nb_cgd, NULL)) 101 return ("NetBSD Cryptographic Disk"); 102 if (uuid_equal(t, &swap, NULL)) 103 return ("FreeBSD swap"); 104 if (uuid_equal(t, &ufs, NULL)) 105 return ("FreeBSD UFS/UFS2"); 106 if (uuid_equal(t, &vinum, NULL)) 107 return ("FreeBSD vinum"); 108 109 if (uuid_equal(t, &freebsd, NULL)) 110 return ("FreeBSD legacy"); 111 if (uuid_equal(t, &mslinux, NULL)) 112 return ("Linux/Windows"); 113 if (uuid_equal(t, &linuxswap, NULL)) 114 return ("Linux swap"); 115 if (uuid_equal(t, &msr, NULL)) 116 return ("Windows reserved"); 117 if (uuid_equal(t, &hfs, NULL)) 118 return ("Apple HFS"); 119 120 unfriendly: 121 uuid_to_string(t, &s, NULL); 122 strlcpy(buf, s, sizeof buf); 123 free(s); 124 return (buf); 125 } 126 127 static void 128 show(int fd __unused) 129 { 130 uuid_t type; 131 off_t start; 132 map_t *m, *p; 133 struct mbr *mbr; 134 struct gpt_ent *ent; 135 unsigned int i; 136 137 printf(" %*s", lbawidth, "start"); 138 printf(" %*s", lbawidth, "size"); 139 printf(" index contents\n"); 140 141 m = map_first(); 142 while (m != NULL) { 143 printf(" %*llu", lbawidth, (long long)m->map_start); 144 printf(" %*llu", lbawidth, (long long)m->map_size); 145 putchar(' '); 146 putchar(' '); 147 if (m->map_index > 0) 148 printf("%5d", m->map_index); 149 else 150 printf(" "); 151 putchar(' '); 152 putchar(' '); 153 switch (m->map_type) { 154 case MAP_TYPE_MBR: 155 if (m->map_start != 0) 156 printf("Extended "); 157 printf("MBR"); 158 break; 159 case MAP_TYPE_PRI_GPT_HDR: 160 printf("Pri GPT header"); 161 break; 162 case MAP_TYPE_SEC_GPT_HDR: 163 printf("Sec GPT header"); 164 break; 165 case MAP_TYPE_PRI_GPT_TBL: 166 printf("Pri GPT table"); 167 break; 168 case MAP_TYPE_SEC_GPT_TBL: 169 printf("Sec GPT table"); 170 break; 171 case MAP_TYPE_MBR_PART: 172 p = m->map_data; 173 if (p->map_start != 0) 174 printf("Extended "); 175 printf("MBR part "); 176 mbr = p->map_data; 177 for (i = 0; i < 4; i++) { 178 start = le16toh(mbr->mbr_part[i].part_start_hi); 179 start = (start << 16) + 180 le16toh(mbr->mbr_part[i].part_start_lo); 181 if (m->map_start == p->map_start + start) 182 break; 183 } 184 printf("%d", mbr->mbr_part[i].part_typ); 185 break; 186 case MAP_TYPE_GPT_PART: 187 printf("GPT part "); 188 ent = m->map_data; 189 if (show_label) { 190 printf("- \"%s\"", 191 utf16_to_utf8(ent->ent_name)); 192 } else { 193 le_uuid_dec(&ent->ent_type, &type); 194 printf("- %s", friendly(&type)); 195 } 196 break; 197 case MAP_TYPE_PMBR: 198 printf("PMBR"); 199 break; 200 } 201 putchar('\n'); 202 m = m->map_next; 203 } 204 } 205 206 int 207 cmd_show(int argc, char *argv[]) 208 { 209 int ch, fd; 210 211 while ((ch = getopt(argc, argv, "lu")) != -1) { 212 switch(ch) { 213 case 'l': 214 show_label = 1; 215 break; 216 case 'u': 217 show_uuid = 1; 218 break; 219 default: 220 usage_show(); 221 } 222 } 223 224 if (argc == optind) 225 usage_show(); 226 227 while (optind < argc) { 228 fd = gpt_open(argv[optind++]); 229 if (fd == -1) { 230 warn("unable to open device '%s'", device_name); 231 continue; 232 } 233 234 show(fd); 235 236 gpt_close(fd); 237 } 238 239 return (0); 240 } 241
Indexes created Wed Sep 24 05:09:52 GMT 2025