1 /*-
2  * Copyright (c) 2004 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/remove.c,v 1.10 2006/10/04 18:20:25 marcel Exp $");
34 #endif
35 #ifdef __RCSID
36 __RCSID("$NetBSD: type.c,v 1.17 2025/02/23 20:47:19 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_type(gpt_t, int, char *[]);
53 
54 static const char *typehelp[] = {
55           "-a -T newtype",
56           "[-b blocknr] [-i index] [-L label] [-s sectors] [-t type] -T newtype",
57           "-l",
58 };
59 
60 const struct gpt_cmd c_type = {
61           "type",
62           cmd_type,
63           typehelp, __arraycount(typehelp),
64           GPT_SYNC | GPT_OPTDEV,
65 };
66 
67 #define usage() gpt_usage(NULL, &c_type)
68 
69 static void
change(struct gpt_ent * ent,void * v,int backup __unused)70 change(struct gpt_ent *ent, void *v, int backup __unused)
71 {
72           gpt_uuid_t *newtype = v;
73           gpt_uuid_copy(ent->ent_type, *newtype);
74 }
75 
76 static int
cmd_type(gpt_t gpt,int argc,char * argv[])77 cmd_type(gpt_t gpt, int argc, char *argv[])
78 {
79           int ch;
80           gpt_uuid_t newtype;
81           struct gpt_find find;
82 
83           memset(&find, 0, sizeof(find));
84           gpt_uuid_copy(newtype, gpt_uuid_nil);
85           find.msg = "type changed";
86 
87           /* Get the type options */
88           while ((ch = getopt(argc, argv, GPT_FIND "T:l")) != -1) {
89                     switch(ch) {
90                     case 'l':
91                               gpt_uuid_help("\t");
92                               return 0;
93                     case 'T':
94                               if (gpt == NULL || gpt_uuid_get(gpt, &newtype) == -1)
95                                         return -1;
96                               break;
97                     case 'L':
98                     case 'a':
99                     case 'b':
100                     case 'i':
101                     case 's':
102                     case 't':
103                               if (gpt == NULL || gpt_add_find(gpt, &find, ch) == -1)
104                                         return usage();
105                               break;
106                     default:
107                               return usage();
108                     }
109           }
110 
111           if (gpt == NULL || gpt_uuid_is_nil(newtype) || argc != optind)
112                     return usage();
113 
114           return gpt_change_ent(gpt, &find, change, &newtype);
115 }
116