xref: /freebsd/sbin/mount_cd9660/mount_cd9660.c (revision a316b26e50bbed7cf655fbba726ab87d8ab7599d)
1 /*
2  * Copyright (c) 1992, 1993, 1994
3  *      The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley
6  * by Pace Willisson (pace@blitz.com).  The Rock Ridge Extension
7  * Support code is derived from software contributed to Berkeley
8  * by Atsushi Murai (amurai@spec.co.jp).
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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the University of
21  *	California, Berkeley and its contributors.
22  * 4. Neither the name of the University nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  *
38  *      @(#)mount_cd9660.c	8.4 (Berkeley) 3/27/94
39  */
40 
41 #ifndef lint
42 static char copyright[] =
43 "@(#) Copyright (c) 1992, 1993, 1994\n\
44         The Regents of the University of California.  All rights reserved.\n";
45 #endif /* not lint */
46 
47 #ifndef lint
48 static char sccsid[] = "@(#)mount_cd9660.c	8.4 (Berkeley) 3/27/94";
49 #endif /* not lint */
50 
51 #include <sys/param.h>
52 #define CD9660
53 #include <sys/mount.h>
54 
55 #include <err.h>
56 #include <stdlib.h>
57 #include <stdio.h>
58 #include <string.h>
59 #include <unistd.h>
60 
61 #include "mntopts.h"
62 
63 struct mntopt mopts[] = {
64 	MOPT_STDOPTS,
65 	MOPT_UPDATE,
66 	{ "extatt", 0, ISOFSMNT_EXTATT, 1 },
67 	{ "gens", 0, ISOFSMNT_GENS, 1 },
68 	{ "rrip", 1, ISOFSMNT_NORRIP, 1 },
69 	{ NULL }
70 };
71 
72 void	usage __P((void));
73 
74 int
75 main(argc, argv)
76 	int argc;
77 	char **argv;
78 {
79 	struct iso_args args;
80 	int ch, mntflags, opts;
81 	char *dev, *dir;
82 	struct vfsconf *vfc;
83 
84 	mntflags = opts = 0;
85 	while ((ch = getopt(argc, argv, "ego:r")) != EOF)
86 		switch (ch) {
87 		case 'e':
88 			opts |= ISOFSMNT_EXTATT;
89 			break;
90 		case 'g':
91 			opts |= ISOFSMNT_GENS;
92 			break;
93 		case 'o':
94 			getmntopts(optarg, mopts, &mntflags, &opts);
95 			break;
96 		case 'r':
97 			opts |= ISOFSMNT_NORRIP;
98 			break;
99 		case '?':
100 		default:
101 			usage();
102 		}
103 	argc -= optind;
104 	argv += optind;
105 
106 	if (argc != 2)
107 		usage();
108 
109 	dev = argv[0];
110 	dir = argv[1];
111 
112 #define DEFAULT_ROOTUID	-2
113 	args.fspec = dev;
114 	args.export.ex_root = DEFAULT_ROOTUID;
115 
116 	/*
117 	 * ISO 9660 filesystems are not writeable.
118 	 */
119 	mntflags |= MNT_RDONLY;
120 	args.export.ex_flags = MNT_EXRDONLY;
121 
122 	args.flags = opts;
123 
124 	vfc = getvfsbyname("cd9660");
125 	if(!vfc && vfsisloadable("cd9660")) {
126 		if(vfsload("cd9660")) {
127 			err(1, "vfsload(cd9660)");
128 		}
129 		endvfsent();	/* flush cache */
130 		vfc = getvfsbyname("cd9660");
131 	}
132 
133 	if (mount(vfc ? vfc->vfc_index : MOUNT_CD9660, dir, mntflags, &args) < 0)
134 		err(1, NULL);
135 	exit(0);
136 }
137 
138 void
139 usage()
140 {
141 	(void)fprintf(stderr,
142 		"usage: mount_cd9660 [-egrt] [-o options] special node\n");
143 	exit(1);
144 }
145