freebsd-skq/sbin/mount_cd9660/mount_cd9660.c

150 lines
4.1 KiB
C

/*
* Copyright (c) 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley
* by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
* Support code is derived from software contributed to Berkeley
* by Atsushi Murai (amurai@spec.co.jp).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)mount_cd9660.c 8.7 (Berkeley) 5/1/95
*/
#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1992, 1993, 1994\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
/*
static char sccsid[] = "@(#)mount_cd9660.c 8.7 (Berkeley) 5/1/95";
*/
static const char rcsid[] =
"$Id: mount_cd9660.c,v 1.9 1997/02/22 14:32:44 peter Exp $";
#endif /* not lint */
#include <sys/param.h>
#include <sys/mount.h>
#include <sys/../isofs/cd9660/cd9660_mount.h>
#include <err.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sysexits.h>
#include <unistd.h>
#include "mntopts.h"
struct mntopt mopts[] = {
MOPT_STDOPTS,
MOPT_UPDATE,
{ "extatt", 0, ISOFSMNT_EXTATT, 1 },
{ "gens", 0, ISOFSMNT_GENS, 1 },
{ "rrip", 1, ISOFSMNT_NORRIP, 1 },
{ NULL }
};
void usage __P((void));
int
main(argc, argv)
int argc;
char **argv;
{
struct iso_args args;
int ch, mntflags, opts;
char *dev, *dir;
struct vfsconf vfc;
int error;
mntflags = opts = 0;
while ((ch = getopt(argc, argv, "ego:r")) != EOF)
switch (ch) {
case 'e':
opts |= ISOFSMNT_EXTATT;
break;
case 'g':
opts |= ISOFSMNT_GENS;
break;
case 'o':
getmntopts(optarg, mopts, &mntflags, &opts);
break;
case 'r':
opts |= ISOFSMNT_NORRIP;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
if (argc != 2)
usage();
dev = argv[0];
dir = argv[1];
#define DEFAULT_ROOTUID -2
/*
* ISO 9660 filesystems are not writeable.
*/
mntflags |= MNT_RDONLY;
args.export.ex_flags = MNT_EXRDONLY;
args.fspec = dev;
args.export.ex_root = DEFAULT_ROOTUID;
args.flags = opts;
error = getvfsbyname("cd9660", &vfc);
if (error && vfsisloadable("cd9660")) {
if (vfsload("cd9660"))
err(EX_OSERR, "vfsload(cd9660)");
endvfsent(); /* flush cache */
error = getvfsbyname("cd9660", &vfc);
}
if (error)
errx(1, "cd9660 filesystem is not available");
if (mount(vfc.vfc_name, dir, mntflags, &args) < 0)
err(1, NULL);
exit(0);
}
void
usage()
{
(void)fprintf(stderr,
"usage: mount_cd9660 [-egrt] [-o options] special node\n");
exit(EX_USAGE);
}