mount_udf.c revision 94663 
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 94663 2002-04-14 16:52:14Z scottl $
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#include <fs/udf/udf_mount.h>
52
53#include <err.h>
54#include <errno.h>
55#include <stdlib.h>
56#include <stdio.h>
57#include <string.h>
58#include <sysexits.h>
59#include <unistd.h>
60
61#include "mntopts.h"
62
63struct mntopt mopts[] = {
64	MOPT_STDOPTS,
65	MOPT_UPDATE,
66	{ NULL }
67};
68
69void	usage(void);
70
71int
72main(int argc, char **argv)
73{
74	struct udf_args args;
75	int ch, mntflags, opts;
76	char *dev, *dir, mntpath[MAXPATHLEN];
77	struct vfsconf vfc;
78	int error, verbose;
79
80	mntflags = opts = verbose = 0;
81	memset(&args, 0, sizeof args);
82	args.ssector = -1;
83	while ((ch = getopt(argc, argv, "o:v")) != -1)
84		switch (ch) {
85		case 'o':
86			getmntopts(optarg, mopts, &mntflags, &opts);
87			break;
88		case 'v':
89			verbose++;
90			break;
91		case '?':
92		default:
93			usage();
94		}
95	argc -= optind;
96	argv += optind;
97
98	if (argc != 2)
99		usage();
100
101	dev = argv[0];
102	dir = argv[1];
103
104	/*
105	 * Resolve the mountpoint with realpath(3) and remove unnecessary
106	 * slashes from the devicename if there are any.
107	 */
108	(void)checkpath(dir, mntpath);
109	(void)rmslashes(dev, dev);
110
111#define DEFAULT_ROOTUID	-2
112	/*
113	 * UDF filesystems are not writeable.
114	 */
115	mntflags |= MNT_RDONLY;
116	args.export.ex_flags = MNT_EXRDONLY;
117	args.fspec = dev;
118	args.export.ex_root = DEFAULT_ROOTUID;
119	args.flags = opts;
120
121	error = getvfsbyname("udf", &vfc);
122	if (error && vfsisloadable("udf")) {
123		if (vfsload("udf"))
124			err(EX_OSERR, "vfsload(udf)");
125		endvfsent();	/* flush cache */
126		error = getvfsbyname("udf", &vfc);
127	}
128	if (error)
129		errx(1, "udf filesystem is not available");
130
131	if (mount(vfc.vfc_name, mntpath, mntflags, &args) < 0)
132		err(1, "%s", args.fspec);
133	exit(0);
134}
135
136void
137usage(void)
138{
139	(void)fprintf(stderr,
140		"usage: mount_udf [-v] [-o options] special node\n");
141	exit(EX_USAGE);
142}
143