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/* $OpenBSD: mount_udf.c,v 1.9 2021/10/24 21:24:22 deraadt Exp $ */
/*
* Copyright (c) 2005 Pedro Martelletto <pedro@ambientworks.net>
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/mount.h>
#include <sys/ioctl.h>
#include <sys/cdio.h>
#include <err.h>
#include <fcntl.h>
#include <unistd.h>
#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include "mntopts.h"
const struct mntopt opts[] = { MOPT_STDOPTS, { NULL } };
u_int32_t lastblock(char *dev);
__dead void usage(void);
__dead void
usage(void)
{
extern char *__progname;
fprintf(stderr, "usage: %s [-o options] special node\n", __progname);
exit(EXIT_FAILURE);
}
/* Find out media's last block by looking at the LBA of the lead-out track. */
u_int32_t
lastblock(char *dev)
{
int fd, error;
struct ioc_read_toc_entry t;
struct cd_toc_entry te;
fd = open(dev, O_RDONLY);
if (fd == -1)
err(1, "open");
t.address_format = CD_LBA_FORMAT;
t.starting_track = CD_TRACK_LEADOUT;
t.data_len = sizeof(struct cd_toc_entry);
t.data = &te;
error = ioctl(fd, CDIOREADTOCENTRIES, &t);
close(fd);
return (error == -1 ? 0 : te.addr.lba);
}
int
main(int argc, char **argv)
{
struct udf_args args;
char node[PATH_MAX];
int ch, flags = 0;
while ((ch = getopt(argc, argv, "o:")) != -1)
switch (ch) {
case 'o':
getmntopts(optarg, opts, &flags);
break;
default:
usage();
}
argc -= optind;
argv += optind;
if (argc != 2)
usage();
args.fspec = argv[0];
args.lastblock = lastblock(argv[0]);
if (realpath(argv[1], node) == NULL)
err(1, "realpath %s", argv[1]);
if (mount(MOUNT_UDF, node, flags, &args) == -1)
err(1, "mount");
exit(0);
}
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