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