1 /* $NetBSD: newfs_v7fs.c,v 1.5 2017/01/10 20:53:09 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2004, 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by UCHIYAMA Yasushi.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 #ifndef lint
34 __RCSID("$NetBSD: newfs_v7fs.c,v 1.5 2017/01/10 20:53:09 christos Exp $");
35 #endif /* not lint */
36
37 #include <sys/types.h>
38 #include <sys/param.h>
39 #include <sys/disklabel.h>
40 #include <sys/ioctl.h>
41 #include <sys/stat.h>
42
43 #include <err.h>
44 #include <stdio.h>
45 #include <string.h>
46 #include <stdlib.h>
47 #include <unistd.h>
48 #include <fcntl.h>
49
50 #include <fs/v7fs/v7fs.h>
51 #include "v7fs_impl.h"
52 #include "progress.h"
53 #include "newfs_v7fs.h"
54
55 static void usage(void) __dead;
56 static bool progress_bar_enable = false;
57 int v7fs_newfs_verbose = 3; /* newfs compatible */
58
59 int
main(int argc,char ** argv)60 main(int argc, char **argv)
61 {
62 const char *device;
63 struct disklabel d;
64 struct partition *p;
65 struct stat st;
66 uint32_t partsize;
67 int Fflag, Zflag;
68 int part;
69 int fd, ch;
70 int endian = _BYTE_ORDER;
71 int32_t maxfile = 0;
72
73 if (argc < 2)
74 usage();
75
76 Fflag = Zflag = partsize = 0;
77 while ((ch = getopt(argc, argv, "Fs:Zs:n:B:V:")) != -1) {
78 switch (ch) {
79 case 'V':
80 v7fs_newfs_verbose = atoi(optarg);
81 break;
82 case 'F':
83 Fflag = 1;
84 break;
85 case 's':
86 partsize = atoi(optarg);
87 break;
88 case 'n':
89 maxfile = atoi(optarg);
90 break;
91 case 'Z':
92 Zflag = 1;
93 break;
94 case 'B':
95 switch (optarg[0]) {
96 case 'l':
97 endian = _LITTLE_ENDIAN;
98 break;
99 case 'b':
100 endian = _BIG_ENDIAN;
101 break;
102 case 'p':
103 endian = _PDP_ENDIAN;
104 break;
105 }
106 break;
107 default:
108 usage();
109 /*NOTREACHED*/
110 }
111 }
112 argc -= optind;
113 argv += optind;
114
115 if (argc != 1)
116 usage();
117 device = argv[0];
118
119 progress_bar_enable = v7fs_newfs_verbose > 1;
120
121
122 if (progress_bar_enable) {
123 progress_switch(progress_bar_enable);
124 progress_init();
125 progress(&(struct progress_arg){ .cdev = device });
126 }
127
128 if (!Fflag) {
129 if ((fd = open(device, O_RDWR)) == -1) {
130 err(EXIT_FAILURE, "%s", device);
131 }
132 if (fstat(fd, &st) != 0) {
133 goto err_exit;
134 }
135 if (!S_ISCHR(st.st_mode)) {
136 warnx("not a raw device");
137 }
138
139 part = DISKPART(st.st_rdev);
140
141 if (ioctl(fd, DIOCGDINFO, &d) == -1) {
142 goto err_exit;
143 }
144 p = &d.d_partitions[part];
145 if (v7fs_newfs_verbose) {
146 printf("partition=%d size=%d offset=%d fstype=%d"
147 " secsize=%d\n", part, p->p_size, p->p_offset,
148 p->p_fstype, d.d_secsize);
149 }
150 if (p->p_fstype != FS_V7) {
151 warnx("not a Version 7 partition");
152 goto err_exit;
153 }
154 partsize = p->p_size;
155 } else {
156 off_t filesize;
157 uint8_t zbuf[8192] = {0, };
158
159 if (partsize == 0) {
160 errx(EXIT_FAILURE, "-F requires -s");
161 }
162
163 filesize = partsize << V7FS_BSHIFT;
164
165 fd = open(device, O_RDWR|O_CREAT|O_TRUNC, 0666);
166 if (fd == -1) {
167 err(EXIT_FAILURE, "%s", device);
168 }
169
170 if (Zflag) {
171 while (filesize > 0) {
172 size_t writenow = MIN(filesize,
173 (off_t)sizeof(zbuf));
174
175 if ((size_t)write(fd, zbuf, writenow) !=
176 writenow) {
177 err(EXIT_FAILURE, NULL);
178 }
179 filesize -= writenow;
180 }
181 } else {
182 if (lseek(fd, filesize - 1, SEEK_SET) == -1) {
183 goto err_exit;
184 }
185 if (write(fd, zbuf, 1) != 1) {
186 goto err_exit;
187 }
188 if (lseek(fd, 0, SEEK_SET) == -1) {
189 goto err_exit;
190 }
191 }
192 }
193
194 if (v7fs_newfs(&(struct v7fs_mount_device)
195 { .device.fd = fd, .endian = endian, .sectors = partsize },
196 maxfile) != 0)
197 goto err_exit;
198
199 close(fd);
200
201 return EXIT_SUCCESS;
202 err_exit:
203 close(fd);
204 err(EXIT_FAILURE, NULL);
205 }
206
207 void
progress(const struct progress_arg * p)208 progress(const struct progress_arg *p)
209 {
210 static struct progress_arg Progress;
211 static char cdev[32];
212 static char label[32];
213
214 if (!progress_bar_enable)
215 return;
216
217 if (p) {
218 Progress = *p;
219 if (p->cdev)
220 strcpy(cdev, p->cdev);
221 if (p->label)
222 strcpy(label, p->label);
223 }
224
225 if (!Progress.tick)
226 return;
227 if (++Progress.cnt > Progress.tick) {
228 Progress.cnt = 0;
229 Progress.total++;
230 progress_bar(cdev, label, Progress.total, PROGRESS_BAR_GRANULE);
231 }
232 }
233
234 static void
usage(void)235 usage(void)
236 {
237
238 (void)fprintf(stderr, "usage: \n%s [-FZ] [-B byte-order]"
239 " [-n inodes] [-s sectors] [-V verbose] special\n", getprogname());
240
241 exit(EXIT_FAILURE);
242 }
243