xref: /freebsd/sbin/mount_udf/mount_udf.c (revision ae83180158c4c937f170e31eff311b18c0286a93)
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  * $FreeBSD$
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 <sys/uio.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 
63 struct mntopt mopts[] = {
64 	MOPT_STDOPTS,
65 	MOPT_UPDATE,
66 	{ NULL, 0, 0, 0 }
67 };
68 
69 void	usage(void);
70 
71 int
72 main(int argc, char **argv)
73 {
74 	struct iovec iov[6];
75 	int ch, mntflags, opts;
76 	char *dev, *dir, mntpath[MAXPATHLEN];
77 	int 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 
113 	iov[0].iov_base = "fstype";
114 	iov[0].iov_len = sizeof("fstype");
115 	iov[1].iov_base = "udf";
116 	iov[1].iov_len = strlen(iov[1].iov_base) + 1;
117 	iov[2].iov_base = "fspath";
118 	iov[2].iov_len = sizeof("fspath");
119 	iov[3].iov_base = mntpath;
120 	iov[3].iov_len = strlen(mntpath) + 1;
121 	iov[4].iov_base = "from";
122 	iov[4].iov_len = sizeof("from");
123 	iov[5].iov_base = dev;
124 	iov[5].iov_len = strlen(dev) + 1;
125 	if (nmount(iov, 6, mntflags) < 0)
126 		err(1, "%s", dev);
127 	exit(0);
128 }
129 
130 void
131 usage(void)
132 {
133 	(void)fprintf(stderr,
134 		"usage: mount_udf [-v] [-o options] special node\n");
135 	exit(EX_USAGE);
136 }
137