/*- * Copyright (c) 2002 Marcel Moolenaar * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #if HAVE_NBTOOL_CONFIG_H #include "nbtool_config.h" #endif #include #ifdef __FBSDID __FBSDID("$FreeBSD: src/sbin/gpt/show.c,v 1.14 2006/06/22 22:22:32 marcel Exp $"); #endif #ifdef __RCSID __RCSID("$NetBSD: show.c,v 1.21 2014/09/30 22:56:36 jnemeth Exp $"); #endif #include #include #include #include #include #include #include #include "map.h" #include "gpt.h" static int show_label = 0; static int show_uuid = 0; static int show_guid = 0; static unsigned int entry = 0; const char showmsg[] = "show [-glu] [-i index] device ..."; __dead static void usage_show(void) { fprintf(stderr, "usage: %s %s\n", getprogname(), showmsg); exit(1); } static void show(void) { off_t start; map_t *m, *p; struct mbr *mbr; struct gpt_ent *ent; unsigned int i; printf(" %*s", lbawidth, "start"); printf(" %*s", lbawidth, "size"); printf(" index contents\n"); m = map_first(); while (m != NULL) { printf(" %*llu", lbawidth, (long long)m->map_start); printf(" %*llu", lbawidth, (long long)m->map_size); putchar(' '); putchar(' '); if (m->map_index > 0) printf("%5d", m->map_index); else printf(" "); putchar(' '); putchar(' '); switch (m->map_type) { case MAP_TYPE_MBR: if (m->map_start != 0) printf("Extended "); printf("MBR"); break; case MAP_TYPE_PRI_GPT_HDR: printf("Pri GPT header"); break; case MAP_TYPE_SEC_GPT_HDR: printf("Sec GPT header"); break; case MAP_TYPE_PRI_GPT_TBL: printf("Pri GPT table"); break; case MAP_TYPE_SEC_GPT_TBL: printf("Sec GPT table"); break; case MAP_TYPE_MBR_PART: p = m->map_data; if (p->map_start != 0) printf("Extended "); printf("MBR part "); mbr = p->map_data; for (i = 0; i < 4; i++) { start = le16toh(mbr->mbr_part[i].part_start_hi); start = (start << 16) + le16toh(mbr->mbr_part[i].part_start_lo); if (m->map_start == p->map_start + start) break; } printf("%d", mbr->mbr_part[i].part_typ); break; case MAP_TYPE_GPT_PART: printf("GPT part "); ent = m->map_data; if (show_label) { printf("- \"%s\"", utf16_to_utf8(ent->ent_name)); } else if (show_guid) { char buf[128]; gpt_uuid_snprintf( buf, sizeof(buf), "%d", ent->ent_guid); printf("- %s", buf); } else { char buf[128]; if (show_uuid || gpt_uuid_snprintf(buf, sizeof(buf), "%ls", ent->ent_type) == -1) gpt_uuid_snprintf(buf, sizeof(buf), "%d", ent->ent_type); printf("- %s", buf); } break; case MAP_TYPE_PMBR: printf("PMBR"); break; } putchar('\n'); m = m->map_next; } } static void show_one(void) { map_t *m; struct gpt_ent *ent; char s1[128], s2[128]; #ifdef HN_AUTOSCALE char human_num[5]; #endif for (m = map_first(); m != NULL; m = m->map_next) if (entry == m->map_index) break; if (m == NULL) { warnx("%s: error: could not find index %d", device_name, entry); return; } ent = m->map_data; printf("Details for index %d:\n", entry); #ifdef HN_AUTOSCALE if (humanize_number(human_num, 5, (int64_t)(m->map_start * secsz), "", HN_AUTOSCALE, HN_NOSPACE|HN_B) < 0) human_num[0] = '\0'; if (human_num[0] != '\0') printf("Start: %llu (%s)\n", (long long)m->map_start, human_num); else #endif printf("Start: %llu\n", (long long)m->map_start); #ifdef HN_AUTOSCALE if (humanize_number(human_num, 5, (int64_t)(m->map_size * secsz), "", HN_AUTOSCALE, HN_NOSPACE|HN_B) < 0) human_num[0] = '\0'; if (human_num[0] != '\0') printf("Size: %llu (%s)\n", (long long)m->map_size, human_num); else #endif printf("Size: %llu\n", (long long)m->map_size); gpt_uuid_snprintf(s1, sizeof(s1), "%s", ent->ent_type); gpt_uuid_snprintf(s2, sizeof(s2), "%d", ent->ent_type); if (strcmp(s1, s2) == 0) strlcpy(s1, "unknown", sizeof(s1)); printf("Type: %s (%s)\n", s1, s2); gpt_uuid_snprintf(s2, sizeof(s1), "%d", ent->ent_guid); printf("GUID: %s\n", s2); printf("Label: %s\n", utf16_to_utf8(ent->ent_name)); printf("Attributes:\n"); if (ent->ent_attr == 0) printf(" None\n"); else { if (ent->ent_attr & GPT_ENT_ATTR_REQUIRED_PARTITION) printf(" required for platform to function\n"); if (ent->ent_attr & GPT_ENT_ATTR_NO_BLOCK_IO_PROTOCOL) printf(" UEFI won't recognize file system\n"); if (ent->ent_attr & GPT_ENT_ATTR_LEGACY_BIOS_BOOTABLE) printf(" legacy BIOS boot partition\n"); if (ent->ent_attr & GPT_ENT_ATTR_BOOTME) printf(" indicates a bootable partition\n"); if (ent->ent_attr & GPT_ENT_ATTR_BOOTONCE) printf(" attempt to boot this partition only once\n"); if (ent->ent_attr & GPT_ENT_ATTR_BOOTFAILED) printf(" partition that was marked bootonce but failed to boot\n"); } } int cmd_show(int argc, char *argv[]) { char *p; int ch, fd; while ((ch = getopt(argc, argv, "gi:lu")) != -1) { switch(ch) { case 'g': show_guid = 1; break; case 'i': if (entry > 0) usage_show(); entry = strtoul(optarg, &p, 10); if (*p != 0 || entry < 1) usage_show(); break; case 'l': show_label = 1; break; case 'u': show_uuid = 1; break; default: usage_show(); } } if (argc == optind) usage_show(); while (optind < argc) { fd = gpt_open(argv[optind++]); if (fd == -1) { warn("unable to open device '%s'", device_name); continue; } if (entry > 0) show_one(); else show(); gpt_close(fd); } return (0); }