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mount_cd9660.c revision 1.18 
      1 /*	$NetBSD: mount_cd9660.c,v 1.18 2003/08/07 10:04:26 agc Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1992, 1993, 1994
      5  *      The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley
      8  * by Pace Willisson (pace (at) blitz.com).  The Rock Ridge Extension
      9  * Support code is derived from software contributed to Berkeley
     10  * by Atsushi Murai (amurai (at) spec.co.jp).
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. Neither the name of the University nor the names of its contributors
     21  *    may be used to endorse or promote products derived from this software
     22  *    without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  *      @(#)mount_cd9660.c	8.7 (Berkeley) 5/1/95
     37  */
     38 
     39 #include <sys/cdefs.h>
     40 #ifndef lint
     41 __COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\n\
     42         The Regents of the University of California.  All rights reserved.\n");
     43 #endif /* not lint */
     44 
     45 #ifndef lint
     46 #if 0
     47 static char sccsid[] = "@(#)mount_cd9660.c	8.7 (Berkeley) 5/1/95";
     48 #else
     49 __RCSID("$NetBSD: mount_cd9660.c,v 1.18 2003/08/07 10:04:26 agc Exp $");
     50 #endif
     51 #endif /* not lint */
     52 
     53 #include <sys/param.h>
     54 #include <sys/mount.h>
     55 
     56 #include <err.h>
     57 #include <stdlib.h>
     58 #include <stdio.h>
     59 #include <string.h>
     60 #include <unistd.h>
     61 #include <util.h>
     62 
     63 #include <isofs/cd9660/cd9660_mount.h>
     64 
     65 #include <mntopts.h>
     66 
     67 static const struct mntopt mopts[] = {
     68 	MOPT_STDOPTS,
     69 	MOPT_UPDATE,
     70 	MOPT_GETARGS,
     71 	{ "extatt", 0, ISOFSMNT_EXTATT, 1 },
     72 	{ "gens", 0, ISOFSMNT_GENS, 1 },
     73 	{ "maplcase", 1, ISOFSMNT_NOCASETRANS, 1 },
     74 	{ "nrr", 0, ISOFSMNT_NORRIP, 1 },
     75 	{ "rrip", 1, ISOFSMNT_NORRIP, 1 },
     76 	{ "joliet", 1, ISOFSMNT_NOJOLIET, 1 },
     77 	{ "rrcaseins", 0, ISOFSMNT_RRCASEINS, 1 },
     78 	{ NULL }
     79 };
     80 
     81 int	main __P((int, char *[]));
     82 int	mount_cd9660 __P((int argc, char **argv));
     83 static void	usage __P((void));
     84 
     85 #ifndef MOUNT_NOMAIN
     86 int
     87 main(argc, argv)
     88 	int argc;
     89 	char **argv;
     90 {
     91 	return mount_cd9660(argc, argv);
     92 }
     93 #endif
     94 
     95 int
     96 mount_cd9660(argc, argv)
     97 	int argc;
     98 	char **argv;
     99 {
    100 	struct iso_args args;
    101 	int ch, mntflags, opts;
    102 	char *dev, *dir;
    103 
    104 	mntflags = opts = 0;
    105 	while ((ch = getopt(argc, argv, "egijo:r")) != -1)
    106 		switch (ch) {
    107 		case 'e':
    108 			/* obsolete, retained for compatibility only, use
    109 			 * -o extatt */
    110 			opts |= ISOFSMNT_EXTATT;
    111 			break;
    112 		case 'g':
    113 			/* obsolete, retained for compatibility only, use
    114 			 * -o gens */
    115 			opts |= ISOFSMNT_GENS;
    116 			break;
    117 		case 'j':
    118 			/* obsolete, retained fo compatibility only, use
    119 			 * -o nojoliet */
    120 			opts |= ISOFSMNT_NOJOLIET;
    121 			break;
    122 		case 'o':
    123 			getmntopts(optarg, mopts, &mntflags, &opts);
    124 			break;
    125 		case 'r':
    126 			/* obsolete, retained for compatibility only, use
    127 			 * -o norrip */
    128 			opts |= ISOFSMNT_NORRIP;
    129 			break;
    130 		case '?':
    131 		default:
    132 			usage();
    133 		}
    134 	argc -= optind;
    135 	argv += optind;
    136 
    137 	if (argc != 2)
    138 		usage();
    139 
    140 	dev = argv[0];
    141 	dir = argv[1];
    142 
    143 #define DEFAULT_ROOTUID	-2
    144 	/*
    145 	 * ISO 9660 filesystems are not writable.
    146 	 */
    147 	mntflags |= MNT_RDONLY;
    148 	args.export.ex_flags = MNT_EXRDONLY;
    149 	args.fspec = dev;
    150 	args.export.ex_root = DEFAULT_ROOTUID;
    151 	args.flags = opts;
    152 
    153 	if (mount(MOUNT_CD9660, dir, mntflags, &args) < 0)
    154 		err(1, "%s on %s", dev, dir);
    155 	if (mntflags & MNT_GETARGS) {
    156 		char buf[2048];
    157 		(void)snprintb(buf, sizeof(buf), ISOFSMNT_BITS, args.flags);
    158 		printf("%s\n", buf);
    159 	}
    160 	exit(0);
    161 }
    162 
    163 static void
    164 usage()
    165 {
    166 	(void)fprintf(stderr,
    167 		"usage: mount_cd9660 [-o options] special node\n");
    168 	exit(1);
    169 }
    170