show.c revision 1.2.10.2 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 1.2.10.2 2008/02/18 21:04:17 mjf 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 mslinux = GPT_ENT_TYPE_MS_BASIC_DATA;
66 static uuid_t freebsd = GPT_ENT_TYPE_FREEBSD;
67 static uuid_t hfs = GPT_ENT_TYPE_APPLE_HFS;
68 static uuid_t linuxswap = GPT_ENT_TYPE_LINUX_SWAP;
69 static uuid_t msr = GPT_ENT_TYPE_MS_RESERVED;
70 static uuid_t swap = GPT_ENT_TYPE_FREEBSD_SWAP;
71 static uuid_t ufs = GPT_ENT_TYPE_FREEBSD_UFS;
72 static uuid_t vinum = GPT_ENT_TYPE_FREEBSD_VINUM;
73 static uuid_t nb_swap = GPT_ENT_TYPE_NETBSD_SWAP;
74 static uuid_t nb_ufs = GPT_ENT_TYPE_NETBSD_FFS;
75 static uuid_t nb_lfs = GPT_ENT_TYPE_NETBSD_LFS;
76 static uuid_t nb_raid = GPT_ENT_TYPE_NETBSD_RAIDFRAME;
77 static uuid_t nb_ccd = GPT_ENT_TYPE_NETBSD_CCD;
78 static uuid_t nb_cgd = GPT_ENT_TYPE_NETBSD_CGD;
79 static char buf[80];
80 char *s;
81
82 if (show_uuid)
83 goto unfriendly;
84
85 if (uuid_equal(t, &efi_slice, NULL))
86 return ("EFI System");
87 if (uuid_equal(t, &nb_swap, NULL))
88 return ("NetBSD swap");
89 if (uuid_equal(t, &nb_ufs, NULL))
90 return ("NetBSD UFS/UFS2");
91 if (uuid_equal(t, &nb_lfs, NULL))
92 return ("NetBSD LFS");
93 if (uuid_equal(t, &nb_raid, NULL))
94 return ("NetBSD RAIDFrame component");
95 if (uuid_equal(t, &nb_ccd, NULL))
96 return ("NetBSD ccd component");
97 if (uuid_equal(t, &nb_cgd, NULL))
98 return ("NetBSD Cryptographic Disk");
99 if (uuid_equal(t, &swap, NULL))
100 return ("FreeBSD swap");
101 if (uuid_equal(t, &ufs, NULL))
102 return ("FreeBSD UFS/UFS2");
103 if (uuid_equal(t, &vinum, NULL))
104 return ("FreeBSD vinum");
105
106 if (uuid_equal(t, &freebsd, NULL))
107 return ("FreeBSD legacy");
108 if (uuid_equal(t, &mslinux, NULL))
109 return ("Linux/Windows");
110 if (uuid_equal(t, &linuxswap, NULL))
111 return ("Linux swap");
112 if (uuid_equal(t, &msr, NULL))
113 return ("Windows reserved");
114 if (uuid_equal(t, &hfs, NULL))
115 return ("Apple HFS");
116
117 unfriendly:
118 uuid_to_string(t, &s, NULL);
119 strlcpy(buf, s, sizeof buf);
120 free(s);
121 return (buf);
122 }
123
124 static void
125 show(int fd __unused)
126 {
127 uuid_t type;
128 off_t start;
129 map_t *m, *p;
130 struct mbr *mbr;
131 struct gpt_ent *ent;
132 unsigned int i;
133
134 printf(" %*s", lbawidth, "start");
135 printf(" %*s", lbawidth, "size");
136 printf(" index contents\n");
137
138 m = map_first();
139 while (m != NULL) {
140 printf(" %*llu", lbawidth, (long long)m->map_start);
141 printf(" %*llu", lbawidth, (long long)m->map_size);
142 putchar(' ');
143 putchar(' ');
144 if (m->map_index > 0)
145 printf("%5d", m->map_index);
146 else
147 printf(" ");
148 putchar(' ');
149 putchar(' ');
150 switch (m->map_type) {
151 case MAP_TYPE_MBR:
152 if (m->map_start != 0)
153 printf("Extended ");
154 printf("MBR");
155 break;
156 case MAP_TYPE_PRI_GPT_HDR:
157 printf("Pri GPT header");
158 break;
159 case MAP_TYPE_SEC_GPT_HDR:
160 printf("Sec GPT header");
161 break;
162 case MAP_TYPE_PRI_GPT_TBL:
163 printf("Pri GPT table");
164 break;
165 case MAP_TYPE_SEC_GPT_TBL:
166 printf("Sec GPT table");
167 break;
168 case MAP_TYPE_MBR_PART:
169 p = m->map_data;
170 if (p->map_start != 0)
171 printf("Extended ");
172 printf("MBR part ");
173 mbr = p->map_data;
174 for (i = 0; i < 4; i++) {
175 start = le16toh(mbr->mbr_part[i].part_start_hi);
176 start = (start << 16) +
177 le16toh(mbr->mbr_part[i].part_start_lo);
178 if (m->map_start == p->map_start + start)
179 break;
180 }
181 printf("%d", mbr->mbr_part[i].part_typ);
182 break;
183 case MAP_TYPE_GPT_PART:
184 printf("GPT part ");
185 ent = m->map_data;
186 if (show_label) {
187 printf("- \"%s\"",
188 utf16_to_utf8(ent->ent_name));
189 } else {
190 le_uuid_dec(&ent->ent_type, &type);
191 printf("- %s", friendly(&type));
192 }
193 break;
194 case MAP_TYPE_PMBR:
195 printf("PMBR");
196 break;
197 }
198 putchar('\n');
199 m = m->map_next;
200 }
201 }
202
203 int
204 cmd_show(int argc, char *argv[])
205 {
206 int ch, fd;
207
208 while ((ch = getopt(argc, argv, "lu")) != -1) {
209 switch(ch) {
210 case 'l':
211 show_label = 1;
212 break;
213 case 'u':
214 show_uuid = 1;
215 break;
216 default:
217 usage_show();
218 }
219 }
220
221 if (argc == optind)
222 usage_show();
223
224 while (optind < argc) {
225 fd = gpt_open(argv[optind++]);
226 if (fd == -1) {
227 warn("unable to open device '%s'", device_name);
228 continue;
229 }
230
231 show(fd);
232
233 gpt_close(fd);
234 }
235
236 return (0);
237 }
238