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 1.31 2015/12/06 00:39:26 christos Exp $"); 37 #endif 38 39 #include <sys/types.h> 40 41 #include <err.h> 42 #include <stddef.h> 43 #include <stdio.h> 44 #include <stdlib.h> 45 #include <string.h> 46 #include <unistd.h> 47 48 #include "map.h" 49 #include "gpt.h" 50 #include "gpt_private.h" 51 52 static int cmd_show(gpt_t, int, char *[]); 53 54 static const char *showhelp[] = { 55 "[-glu] [-i index]", 56 }; 57 58 #define SHOW_UUID 1 59 #define SHOW_GUID 2 60 #define SHOW_LABEL 4 61 62 struct gpt_cmd c_show = { 63 "show", 64 cmd_show, 65 showhelp, __arraycount(showhelp), 66 GPT_READONLY, 67 }; 68 69 #define usage() gpt_usage(NULL, &c_show) 70 71 static int 72 show(gpt_t gpt, int show) 73 { 74 off_t start; 75 map_t m, p; 76 struct mbr *mbr; 77 struct gpt_ent *ent; 78 unsigned int i; 79 char buf[128], *b = buf; 80 uint8_t utfbuf[__arraycount(ent->ent_name) * 3 + 1]; 81 82 printf(" %*s", gpt->lbawidth, "start"); 83 printf(" %*s", gpt->lbawidth, "size"); 84 printf(" index contents\n"); 85 86 m = map_first(gpt); 87 while (m != NULL) { 88 printf(" %*llu", gpt->lbawidth, (long long)m->map_start); 89 printf(" %*llu", gpt->lbawidth, (long long)m->map_size); 90 putchar(' '); 91 putchar(' '); 92 if (m->map_index > 0) 93 printf("%5d", m->map_index); 94 else 95 printf(" "); 96 putchar(' '); 97 putchar(' '); 98 switch (m->map_type) { 99 case MAP_TYPE_UNUSED: 100 printf("Unused"); 101 break; 102 case MAP_TYPE_MBR: 103 if (m->map_start != 0) 104 printf("Extended "); 105 printf("MBR"); 106 break; 107 case MAP_TYPE_PRI_GPT_HDR: 108 printf("Pri GPT header"); 109 break; 110 case MAP_TYPE_SEC_GPT_HDR: 111 printf("Sec GPT header"); 112 break; 113 case MAP_TYPE_PRI_GPT_TBL: 114 printf("Pri GPT table"); 115 break; 116 case MAP_TYPE_SEC_GPT_TBL: 117 printf("Sec GPT table"); 118 break; 119 case MAP_TYPE_MBR_PART: 120 p = m->map_data; 121 if (p->map_start != 0) 122 printf("Extended "); 123 printf("MBR part "); 124 mbr = p->map_data; 125 for (i = 0; i < 4; i++) { 126 start = le16toh(mbr->mbr_part[i].part_start_hi); 127 start = (start << 16) + 128 le16toh(mbr->mbr_part[i].part_start_lo); 129 if (m->map_start == p->map_start + start) 130 break; 131 } 132 printf("%d", mbr->mbr_part[i].part_typ); 133 break; 134 case MAP_TYPE_GPT_PART: 135 printf("GPT part "); 136 ent = m->map_data; 137 if (show & SHOW_LABEL) { 138 utf16_to_utf8(ent->ent_name, utfbuf, 139 sizeof(utfbuf)); 140 b = (char *)utfbuf; 141 } else if (show & SHOW_GUID) { 142 gpt_uuid_snprintf( buf, sizeof(buf), "%d", 143 ent->ent_guid); 144 } else if (show & SHOW_UUID) { 145 gpt_uuid_snprintf(buf, sizeof(buf), 146 "%d", ent->ent_type); 147 } else { 148 gpt_uuid_snprintf(buf, sizeof(buf), "%ls", 149 ent->ent_type); 150 } 151 printf("- %s", b); 152 break; 153 case MAP_TYPE_PMBR: 154 printf("PMBR"); 155 break; 156 default: 157 printf("Unknown %#x", m->map_type); 158 break; 159 } 160 putchar('\n'); 161 m = m->map_next; 162 } 163 return 0; 164 } 165 166 static int 167 show_one(gpt_t gpt, unsigned int entry) 168 { 169 map_t m; 170 struct gpt_ent *ent; 171 char s1[128], s2[128]; 172 uint8_t utfbuf[__arraycount(ent->ent_name) * 3 + 1]; 173 174 for (m = map_first(gpt); m != NULL; m = m->map_next) 175 if (entry == m->map_index) 176 break; 177 if (m == NULL) { 178 gpt_warnx(gpt, "Could not find index %d", entry); 179 return -1; 180 } 181 ent = m->map_data; 182 183 printf("Details for index %d:\n", entry); 184 gpt_show_num("Start", (uintmax_t)(m->map_start * gpt->secsz)); 185 gpt_show_num("Size", (uintmax_t)(m->map_size * gpt->secsz)); 186 187 gpt_uuid_snprintf(s1, sizeof(s1), "%s", ent->ent_type); 188 gpt_uuid_snprintf(s2, sizeof(s2), "%d", ent->ent_type); 189 if (strcmp(s1, s2) == 0) 190 strlcpy(s1, "unknown", sizeof(s1)); 191 printf("Type: %s (%s)\n", s1, s2); 192 193 gpt_uuid_snprintf(s2, sizeof(s1), "%d", ent->ent_guid); 194 printf("GUID: %s\n", s2); 195 196 utf16_to_utf8(ent->ent_name, utfbuf, sizeof(utfbuf)); 197 printf("Label: %s\n", (char *)utfbuf); 198 199 printf("Attributes: "); 200 if (ent->ent_attr == 0) { 201 printf("None\n"); 202 } else { 203 char buf[1024]; 204 printf("%s\n", gpt_attr_list(buf, sizeof(buf), ent->ent_attr)); 205 } 206 207 return 0; 208 } 209 210 static int 211 cmd_show(gpt_t gpt, int argc, char *argv[]) 212 { 213 int ch; 214 int xshow = 0; 215 unsigned int entry = 0; 216 217 while ((ch = getopt(argc, argv, "gi:lu")) != -1) { 218 switch(ch) { 219 case 'g': 220 xshow |= SHOW_GUID; 221 break; 222 case 'i': 223 if (gpt_uint_get(&entry) == -1) 224 return usage(); 225 break; 226 case 'l': 227 xshow |= SHOW_LABEL; 228 break; 229 case 'u': 230 xshow |= SHOW_UUID; 231 break; 232 default: 233 return usage(); 234 } 235 } 236 237 if (argc != optind) 238 return usage(); 239 240 return entry > 0 ? show_one(gpt, entry) : show(gpt, xshow); 241 } 242