mount_udf.c revision 98265 
1/*
2 * Copyright (c) 1992, 1993, 1994
3 *      The Regents of the University of California.  All rights reserved.
4 * Copyright (c) 2002 Scott Long
5 *
6 * This code is derived from software contributed to Berkeley
7 * by Pace Willisson (pace@blitz.com).  The Rock Ridge Extension
8 * Support code is derived from software contributed to Berkeley
9 * by Atsushi Murai (amurai@spec.co.jp).
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 *    must display the following acknowledgement:
21 *	This product includes software developed by the University of
22 *	California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 *    may be used to endorse or promote products derived from this software
25 *    without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 * $FreeBSD: head/sbin/mount_udf/mount_udf.c 98265 2002-06-15 22:40:13Z mux $
40 */
41
42/*
43 * This is just a rip-off of mount_iso9660.c.  It's been vastly simplified
44 * because UDF doesn't take any options at this time.
45 */
46
47#include <sys/cdio.h>
48#include <sys/file.h>
49#include <sys/param.h>
50#include <sys/mount.h>
51
52#include <err.h>
53#include <errno.h>
54#include <stdlib.h>
55#include <stdio.h>
56#include <string.h>
57#include <sysexits.h>
58#include <unistd.h>
59
60#include "mntopts.h"
61
62struct mntopt mopts[] = {
63	MOPT_STDOPTS,
64	MOPT_UPDATE,
65	{ NULL, 0, 0, 0 }
66};
67
68void	usage(void);
69
70int
71main(int argc, char **argv)
72{
73	struct iovec iov[6];
74	int ch, mntflags, opts;
75	char *dev, *dir, mntpath[MAXPATHLEN];
76	struct vfsconf vfc;
77	int error, verbose;
78
79	mntflags = opts = verbose = 0;
80	while ((ch = getopt(argc, argv, "o:v")) != -1)
81		switch (ch) {
82		case 'o':
83			getmntopts(optarg, mopts, &mntflags, &opts);
84			break;
85		case 'v':
86			verbose++;
87			break;
88		case '?':
89		default:
90			usage();
91		}
92	argc -= optind;
93	argv += optind;
94
95	if (argc != 2)
96		usage();
97
98	dev = argv[0];
99	dir = argv[1];
100
101	/*
102	 * Resolve the mountpoint with realpath(3) and remove unnecessary
103	 * slashes from the devicename if there are any.
104	 */
105	(void)checkpath(dir, mntpath);
106	(void)rmslashes(dev, dev);
107
108	/*
109	 * UDF filesystems are not writeable.
110	 */
111	mntflags |= MNT_RDONLY;
112	error = getvfsbyname("udf", &vfc);
113	if (error && vfsisloadable("udf")) {
114		if (vfsload("udf"))
115			err(EX_OSERR, "vfsload(udf)");
116		endvfsent();	/* flush cache */
117		error = getvfsbyname("udf", &vfc);
118	}
119	if (error)
120		errx(1, "udf filesystem is not available");
121
122	iov[0].iov_base = "fstype";
123	iov[0].iov_len = sizeof("fstype");
124	iov[1].iov_base = vfc.vfc_name;
125	iov[1].iov_len = strlen(vfc.vfc_name) + 1;
126	iov[2].iov_base = "fspath";
127	iov[2].iov_len = sizeof("fspath");
128	iov[3].iov_base = mntpath;
129	iov[3].iov_len = strlen(mntpath) + 1;
130	iov[4].iov_base = "from";
131	iov[4].iov_len = sizeof("from");
132	iov[5].iov_base = dev;
133	iov[5].iov_len = strlen(dev) + 1;
134	if (nmount(iov, 6, mntflags) < 0)
135		err(1, "%s", dev);
136	exit(0);
137}
138
139void
140usage(void)
141{
142	(void)fprintf(stderr,
143		"usage: mount_udf [-v] [-o options] special node\n");
144	exit(EX_USAGE);
145}
146