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/add.c,v 1.14 2006/06/22 22:05:28 marcel Exp $");
34 #endif
35 #ifdef __RCSID
36 __RCSID("$NetBSD: set.c,v 1.15 2019/03/25 20:15:49 martin 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_set(gpt_t, int, char *[]);
53
54 static const char *sethelp[] = {
55 "-a attribute [-i index] [-b startsec]",
56 "-N [-i index] [-b startsec]",
57 "-l",
58 };
59
60 struct gpt_cmd c_set = {
61 "set",
62 cmd_set,
63 sethelp, __arraycount(sethelp),
64 GPT_OPTDEV,
65 };
66
67 #define usage() gpt_usage(NULL, &c_set)
68
69 static int
cmd_set(gpt_t gpt,int argc,char * argv[])70 cmd_set(gpt_t gpt, int argc, char *argv[])
71 {
72 int ch;
73 unsigned int entry = 0;
74 uint64_t attributes = 0, clear = 0;
75 off_t start = 0;
76 map_t m;
77
78 while ((ch = getopt(argc, argv, "a:b:i:lN")) != -1) {
79 switch(ch) {
80 case 'a':
81 if (gpt == NULL || gpt_attr_get(gpt, &attributes) == -1)
82 return usage();
83 break;
84 case 'b':
85 if (gpt == NULL || gpt_human_get(gpt, &start) == -1)
86 return usage();
87 break;
88 case 'i':
89 if (gpt == NULL || gpt_uint_get(gpt, &entry) == -1)
90 return usage();
91 break;
92 case 'l':
93 gpt_attr_help("\t");
94 return 0;
95 case 'N':
96 clear = ~clear;
97 break;
98 default:
99 return usage();
100 }
101 }
102
103 if (start > 0) {
104 for (m = map_first(gpt); m != NULL; m = m->map_next) {
105 if (m->map_type != MAP_TYPE_GPT_PART ||
106 m->map_index < 1)
107 continue;
108 if (start != m->map_start)
109 continue;
110 entry = m->map_index;
111 break;
112 }
113 }
114
115 if (gpt == NULL || argc != optind || (attributes != 0 && clear != 0))
116 return usage();
117
118 return gpt_attr_update(gpt, entry, attributes, clear);
119 }
120