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 #if HAVE_NBTOOL_CONFIG_H 28 #include "nbtool_config.h" 29 #endif 30 31 #include <sys/cdefs.h> 32 #ifdef __FBSDID 33 __FBSDID("$FreeBSD: src/sbin/gpt/show.c,v 1.14 2006/06/22 22:22:32 marcel Exp $"); 34 #endif 35 #ifdef __RCSID 36 __RCSID("$NetBSD: show.c,v 1.39 2016/10/05 03:06:24 kre Exp $"); 37 #endif 38 39 #include <sys/bootblock.h> 40 #include <sys/types.h> 41 42 #include <err.h> 43 #include <stddef.h> 44 #include <stdio.h> 45 #include <stdlib.h> 46 #include <string.h> 47 #include <unistd.h> 48 49 50 #include "map.h" 51 #include "gpt.h" 52 #include "gpt_private.h" 53 54 static int cmd_show(gpt_t, int, char *[]); 55 56 static const char *showhelp[] = { 57 "[-aglu] [-i index]", 58 }; 59 60 #define SHOW_UUID 1 61 #define SHOW_GUID 2 62 #define SHOW_LABEL 4 63 #define SHOW_ALL 8 64 65 struct gpt_cmd c_show = { 66 "show", 67 cmd_show, 68 showhelp, __arraycount(showhelp), 69 GPT_READONLY, 70 }; 71 72 #define usage() gpt_usage(NULL, &c_show) 73 74 static void 75 print_part_type(int map_type, int flags, void *map_data, off_t map_start) 76 { 77 off_t start; 78 map_t p; 79 struct mbr *mbr; 80 struct gpt_ent *ent; 81 unsigned int i; 82 char buf[128], *b = buf; 83 uint8_t utfbuf[__arraycount(ent->ent_name) * 3 + 1]; 84 85 switch (map_type) { 86 case MAP_TYPE_UNUSED: 87 printf("Unused"); 88 break; 89 case MAP_TYPE_MBR: 90 if (map_start != 0) 91 printf("Extended "); 92 printf("MBR"); 93 break; 94 case MAP_TYPE_PRI_GPT_HDR: 95 printf("Pri GPT header"); 96 break; 97 case MAP_TYPE_SEC_GPT_HDR: 98 printf("Sec GPT header"); 99 break; 100 case MAP_TYPE_PRI_GPT_TBL: 101 printf("Pri GPT table"); 102 break; 103 case MAP_TYPE_SEC_GPT_TBL: 104 printf("Sec GPT table"); 105 break; 106 case MAP_TYPE_MBR_PART: 107 p = map_data; 108 if (p->map_start != 0) 109 printf("Extended "); 110 printf("MBR part "); 111 mbr = p->map_data; 112 for (i = 0; i < 4; i++) { 113 start = le16toh(mbr->mbr_part[i].part_start_hi); 114 start = (start << 16) + 115 le16toh(mbr->mbr_part[i].part_start_lo); 116 if (map_start == p->map_start + start) 117 break; 118 } 119 if (i == 4) { 120 /* wasn't there */ 121 printf("[partition not found?]"); 122 } else { 123 printf("%d%s", mbr->mbr_part[i].part_typ, 124 mbr->mbr_part[i].part_flag == 0x80 ? 125 " (active)" : ""); 126 } 127 break; 128 case MAP_TYPE_GPT_PART: 129 printf("GPT part "); 130 ent = map_data; 131 if (flags & SHOW_LABEL) { 132 utf16_to_utf8(ent->ent_name, utfbuf, 133 sizeof(utfbuf)); 134 b = (char *)utfbuf; 135 } else if (flags & SHOW_GUID) { 136 gpt_uuid_snprintf( buf, sizeof(buf), "%d", 137 ent->ent_guid); 138 } else if (flags & SHOW_UUID) { 139 gpt_uuid_snprintf(buf, sizeof(buf), 140 "%d", ent->ent_type); 141 } else { 142 gpt_uuid_snprintf(buf, sizeof(buf), "%ls", 143 ent->ent_type); 144 } 145 printf("- %s", b); 146 break; 147 case MAP_TYPE_PMBR: 148 printf("PMBR"); 149 mbr = map_data; 150 if (mbr->mbr_part[0].part_typ == MBR_PTYPE_PMBR && 151 mbr->mbr_part[0].part_flag == 0x80) 152 printf(" (active)"); 153 break; 154 default: 155 printf("Unknown %#x", map_type); 156 break; 157 } 158 } 159 160 static int 161 show(gpt_t gpt, int xshow) 162 { 163 map_t m; 164 165 printf(" %*s", gpt->lbawidth, "start"); 166 printf(" %*s", gpt->lbawidth, "size"); 167 printf(" index contents\n"); 168 169 m = map_first(gpt); 170 while (m != NULL) { 171 printf(" %*llu", gpt->lbawidth, (long long)m->map_start); 172 printf(" %*llu", gpt->lbawidth, (long long)m->map_size); 173 putchar(' '); 174 putchar(' '); 175 if (m->map_index > 0) 176 printf("%5d", m->map_index); 177 else 178 printf(" "); 179 putchar(' '); 180 putchar(' '); 181 print_part_type(m->map_type, xshow, m->map_data, m->map_start); 182 putchar('\n'); 183 m = m->map_next; 184 } 185 return 0; 186 } 187 188 static int 189 show_one(gpt_t gpt, unsigned int entry) 190 { 191 map_t m; 192 struct gpt_ent *ent; 193 char s1[128], s2[128]; 194 uint8_t utfbuf[__arraycount(ent->ent_name) * 3 + 1]; 195 196 for (m = map_first(gpt); m != NULL; m = m->map_next) 197 if (entry == m->map_index) 198 break; 199 if (m == NULL) { 200 gpt_warnx(gpt, "Could not find index %d", entry); 201 return -1; 202 } 203 ent = m->map_data; 204 205 printf("Details for index %d:\n", entry); 206 gpt_show_num("Start", (uintmax_t)(m->map_start * gpt->secsz)); 207 gpt_show_num("Size", (uintmax_t)(m->map_size * gpt->secsz)); 208 209 gpt_uuid_snprintf(s1, sizeof(s1), "%s", ent->ent_type); 210 gpt_uuid_snprintf(s2, sizeof(s2), "%d", ent->ent_type); 211 if (strcmp(s1, s2) == 0) 212 strlcpy(s1, "unknown", sizeof(s1)); 213 printf("Type: %s (%s)\n", s1, s2); 214 215 gpt_uuid_snprintf(s2, sizeof(s1), "%d", ent->ent_guid); 216 printf("GUID: %s\n", s2); 217 218 utf16_to_utf8(ent->ent_name, utfbuf, sizeof(utfbuf)); 219 printf("Label: %s\n", (char *)utfbuf); 220 221 printf("Attributes: "); 222 if (ent->ent_attr == 0) { 223 printf("None\n"); 224 } else { 225 char buf[1024]; 226 printf("%s\n", gpt_attr_list(buf, sizeof(buf), ent->ent_attr)); 227 } 228 229 return 0; 230 } 231 232 static int 233 show_all(gpt_t gpt) 234 { 235 map_t m; 236 struct gpt_ent *ent; 237 char s1[128], s2[128]; 238 #ifdef HN_AUTOSCALE 239 char human_num[8]; 240 #endif 241 uint8_t utfbuf[__arraycount(ent->ent_name) * 3 + 1]; 242 #define PFX " " 243 244 printf(" %*s", gpt->lbawidth, "start"); 245 printf(" %*s", gpt->lbawidth, "size"); 246 printf(" index contents\n"); 247 248 m = map_first(gpt); 249 while (m != NULL) { 250 printf(" %*llu", gpt->lbawidth, (long long)m->map_start); 251 printf(" %*llu", gpt->lbawidth, (long long)m->map_size); 252 putchar(' '); 253 putchar(' '); 254 if (m->map_index > 0) { 255 printf("%5d ", m->map_index); 256 print_part_type(m->map_type, 0, m->map_data, 257 m->map_start); 258 putchar('\n'); 259 260 ent = m->map_data; 261 262 gpt_uuid_snprintf(s1, sizeof(s1), "%s", ent->ent_type); 263 gpt_uuid_snprintf(s2, sizeof(s2), "%d", ent->ent_type); 264 if (strcmp(s1, s2) == 0) 265 strlcpy(s1, "unknown", sizeof(s1)); 266 printf(PFX "Type: %s\n", s1); 267 printf(PFX "TypeID: %s\n", s2); 268 269 gpt_uuid_snprintf(s2, sizeof(s1), "%d", ent->ent_guid); 270 printf(PFX "GUID: %s\n", s2); 271 272 printf(PFX "Size: "); 273 #ifdef HN_AUTOSCALE 274 if (humanize_number(human_num, sizeof(human_num), 275 (int64_t)(m->map_size * gpt->secsz), 276 "", HN_AUTOSCALE, HN_B) < 0) { 277 #endif 278 printf("%ju", 279 (int64_t)(m->map_size * gpt->secsz)); 280 #ifdef HN_AUTOSCALE 281 } else { 282 printf("%s", human_num); 283 } 284 #endif 285 putchar('\n'); 286 287 utf16_to_utf8(ent->ent_name, utfbuf, sizeof(utfbuf)); 288 printf(PFX "Label: %s\n", (char *)utfbuf); 289 290 printf(PFX "Attributes: "); 291 if (ent->ent_attr == 0) { 292 printf("None\n"); 293 } else { 294 char buf[1024]; 295 296 printf("%s\n", gpt_attr_list(buf, sizeof(buf), 297 ent->ent_attr)); 298 } 299 } else { 300 printf(" "); 301 print_part_type(m->map_type, 0, m->map_data, 302 m->map_start); 303 putchar('\n'); 304 } 305 m = m->map_next; 306 } 307 return 0; 308 } 309 310 static int 311 cmd_show(gpt_t gpt, int argc, char *argv[]) 312 { 313 int ch; 314 int xshow = 0; 315 unsigned int entry = 0; 316 317 while ((ch = getopt(argc, argv, "gi:lua")) != -1) { 318 switch(ch) { 319 case 'a': 320 xshow |= SHOW_ALL; 321 break; 322 case 'g': 323 xshow |= SHOW_GUID; 324 break; 325 case 'i': 326 if (gpt_uint_get(gpt, &entry) == -1) 327 return usage(); 328 break; 329 case 'l': 330 xshow |= SHOW_LABEL; 331 break; 332 case 'u': 333 xshow |= SHOW_UUID; 334 break; 335 default: 336 return usage(); 337 } 338 } 339 340 if (argc != optind) 341 return usage(); 342 343 if (xshow & SHOW_ALL) 344 return show_all(gpt); 345 346 return entry > 0 ? show_one(gpt, entry) : show(gpt, xshow); 347 } 348