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/* $OpenBSD: mount_udf.c,v 1.7 2015/01/16 06:39:59 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, 0); |
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if (fd < 0) |
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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) < 0) |
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err(1, "mount"); |
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exit(0); |
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} |