Annotation of src/sbin/gpt/show.c, Revision 1.7.8.1
1.1 christos 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>
1.2 christos 28: #ifdef __FBSDID
1.1 christos 29: __FBSDID("$FreeBSD: src/sbin/gpt/show.c,v 1.14 2006/06/22 22:22:32 marcel Exp $");
1.2 christos 30: #endif
31: #ifdef __RCSID
1.7.8.1 ! tls 32: __RCSID("$NetBSD: show.c,v 1.7 2011/08/27 17:38:16 joerg Exp $");
1.2 christos 33: #endif
1.1 christos 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:
1.3 riz 50: const char showmsg[] = "show [-lu] device ...";
51:
1.7 joerg 52: __dead static void
1.1 christos 53: usage_show(void)
54: {
55:
56: fprintf(stderr,
1.3 riz 57: "usage: %s %s\n", getprogname(), showmsg);
1.1 christos 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;
1.5 christos 65: static uuid_t bios_boot = GPT_ENT_TYPE_BIOS;
1.7.8.1 ! tls 66: static uuid_t msdata = GPT_ENT_TYPE_MS_BASIC_DATA;
1.1 christos 67: static uuid_t freebsd = GPT_ENT_TYPE_FREEBSD;
68: static uuid_t hfs = GPT_ENT_TYPE_APPLE_HFS;
1.7.8.1 ! tls 69: static uuid_t linuxdata = GPT_ENT_TYPE_LINUX_DATA;
1.1 christos 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;
1.4 riz 75: static uuid_t nb_swap = GPT_ENT_TYPE_NETBSD_SWAP;
1.6 jakllsch 76: static uuid_t nb_ffs = GPT_ENT_TYPE_NETBSD_FFS;
1.4 riz 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;
1.1 christos 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");
1.5 christos 89: if (uuid_equal(t, &bios_boot, NULL))
90: return ("BIOS Boot");
1.4 riz 91: if (uuid_equal(t, &nb_swap, NULL))
92: return ("NetBSD swap");
1.6 jakllsch 93: if (uuid_equal(t, &nb_ffs, NULL))
94: return ("NetBSD FFSv1/FFSv2");
1.4 riz 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");
1.1 christos 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");
1.7.8.1 ! tls 112: if (uuid_equal(t, &msdata, NULL))
! 113: return ("Windows basic data");
1.1 christos 114: if (uuid_equal(t, &msr, NULL))
115: return ("Windows reserved");
1.7.8.1 ! tls 116: if (uuid_equal(t, &linuxdata, NULL))
! 117: return ("Linux data");
! 118: if (uuid_equal(t, &linuxswap, NULL))
! 119: return ("Linux swap");
1.1 christos 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: }
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