1 /*
2  * Copyright (c) 2011-2015 The DragonFly Project.  All rights reserved.
3  *
4  * This code is derived from software contributed to The DragonFly Project
5  * by Matthew Dillon <dillon@dragonflybsd.org>
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in
15  *    the documentation and/or other materials provided with the
16  *    distribution.
17  * 3. Neither the name of The DragonFly Project nor the names of its
18  *    contributors may be used to endorse or promote products derived
19  *    from this software without specific, prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #include <sys/types.h>
36 #include <sys/param.h>
37 
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <stddef.h>
41 #include <unistd.h>
42 #include <string.h>
43 #include <err.h>
44 
45 #include "mkfs_hammer2.h"
46 
47 static void usage(void);
48 
49 int
50 main(int ac, char **av)
51 {
52 	hammer2_mkfs_options_t opt;
53 	int ch;
54 	int label_specified = 0;
55 
56 	/*
57 	 * Initialize option structure.
58 	 */
59 	hammer2_mkfs_init(&opt);
60 
61 	/*
62 	 * Parse arguments.
63 	 */
64 	while ((ch = getopt(ac, av, "L:b:r:V:s:d")) != -1) {
65 		switch(ch) {
66 		case 'b':
67 			opt.BootAreaSize = getsize(optarg,
68 					 HAMMER2_NEWFS_ALIGN,
69 					 HAMMER2_BOOT_MAX_BYTES, 2);
70 			break;
71 		case 'r':
72 			opt.AuxAreaSize = getsize(optarg,
73 					 HAMMER2_NEWFS_ALIGN,
74 					 HAMMER2_AUX_MAX_BYTES, 2);
75 			break;
76 		case 'V':
77 			opt.Hammer2Version = strtol(optarg, NULL, 0);
78 			if (opt.Hammer2Version < HAMMER2_VOL_VERSION_MIN ||
79 			    opt.Hammer2Version >= HAMMER2_VOL_VERSION_WIP) {
80 				errx(1, "I don't understand how to format "
81 				     "HAMMER2 version %d",
82 				     opt.Hammer2Version);
83 			}
84 			break;
85 		case 'L':
86 			label_specified = 1;
87 			if (strcasecmp(optarg, "none") == 0) {
88 				break;
89 			}
90 			if (opt.NLabels >= MAXLABELS) {
91 				errx(1, "Limit of %d local labels",
92 				     MAXLABELS - 1);
93 			}
94 			if (strlen(optarg) == 0) {
95 				errx(1, "Volume label '%s' cannot be 0-length",
96 					optarg);
97 			}
98 			if (strlen(optarg) >= HAMMER2_INODE_MAXNAME) {
99 				errx(1, "Volume label '%s' is too long "
100 					"(%d chars max)",
101 					optarg,
102 					HAMMER2_INODE_MAXNAME - 1);
103 			}
104 			opt.Label[opt.NLabels++] = strdup(optarg);
105 			break;
106 		case 's':
107 			/* XXX 0x7fffffffffffffff isn't limitation of HAMMER2 */
108 			opt.FileSystemSize = getsize(optarg,
109 					 HAMMER2_FREEMAP_LEVEL1_SIZE,
110 					 0x7fffffffffffffff, 2);
111 			break;
112 		case 'd':
113 			opt.DebugOpt = 1;
114 			break;
115 		default:
116 			usage();
117 			break;
118 		}
119 	}
120 
121 	ac -= optind;
122 	av += optind;
123 
124 	if (ac == 0)
125 		errx(1, "You must specify at least one disk device");
126 	if (ac > HAMMER2_MAX_VOLUMES)
127 		errx(1, "The maximum number of volumes is %d",
128 		     HAMMER2_MAX_VOLUMES);
129 
130 	/*
131 	 * Check default label type.
132 	 */
133 	if (!label_specified) {
134 		char c = av[0][strlen(av[0]) - 1];
135 		if (c == 'a')
136 			opt.DefaultLabelType = HAMMER2_LABEL_BOOT;
137 		else if (c == 'd')
138 			opt.DefaultLabelType = HAMMER2_LABEL_ROOT;
139 		else
140 			opt.DefaultLabelType = HAMMER2_LABEL_DATA;
141 	}
142 
143 	/*
144 	 * Create Hammer2 filesystem.
145 	 */
146 	hammer2_mkfs(ac, av, &opt);
147 
148 	/*
149 	 * Cleanup option structure.
150 	 */
151 	hammer2_mkfs_cleanup(&opt);
152 
153 	return(0);
154 }
155 
156 static
157 void
158 usage(void)
159 {
160 	fprintf(stderr,
161 		"usage: newfs_hammer2 [-b bootsize] [-r auxsize] "
162 		"[-V version] [-L label ...] [-s size] special ...\n"
163 	);
164 	exit(1);
165 }
166