264 lines
7.0 KiB
C
264 lines
7.0 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 const 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[] =
|
|
"$FreeBSD$";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/cdio.h>
|
|
#include <sys/file.h>
|
|
#include <sys/param.h>
|
|
#include <sys/mount.h>
|
|
#include <sys/../isofs/cd9660/cd9660_mount.h>
|
|
#include <sys/module.h>
|
|
#include <sys/iconv.h>
|
|
#include <sys/linker.h>
|
|
|
|
#include <arpa/inet.h>
|
|
|
|
#include <err.h>
|
|
#include <errno.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 },
|
|
{ "joliet", 1, ISOFSMNT_NOJOLIET, 1 },
|
|
{ "strictjoliet", 1, ISOFSMNT_BROKENJOLIET, 1 },
|
|
{ NULL }
|
|
};
|
|
|
|
int get_ssector(const char *dev);
|
|
int set_charset(struct iso_args *, const char *);
|
|
void usage(void);
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
struct iso_args args;
|
|
int ch, mntflags, opts;
|
|
char *dev, *dir, mntpath[MAXPATHLEN];
|
|
int verbose;
|
|
|
|
mntflags = opts = verbose = 0;
|
|
memset(&args, 0, sizeof args);
|
|
args.ssector = -1;
|
|
args.cs_disk = NULL;
|
|
args.cs_local = NULL;
|
|
while ((ch = getopt(argc, argv, "begjo:rs:vC:")) != -1)
|
|
switch (ch) {
|
|
case 'b':
|
|
opts |= ISOFSMNT_BROKENJOLIET;
|
|
break;
|
|
case 'e':
|
|
opts |= ISOFSMNT_EXTATT;
|
|
break;
|
|
case 'g':
|
|
opts |= ISOFSMNT_GENS;
|
|
break;
|
|
case 'j':
|
|
opts |= ISOFSMNT_NOJOLIET;
|
|
break;
|
|
case 'o':
|
|
getmntopts(optarg, mopts, &mntflags, &opts);
|
|
break;
|
|
case 'r':
|
|
opts |= ISOFSMNT_NORRIP;
|
|
break;
|
|
case 's':
|
|
args.ssector = atoi(optarg);
|
|
break;
|
|
case 'v':
|
|
verbose++;
|
|
break;
|
|
case 'C':
|
|
if (set_charset(&args, optarg) == -1)
|
|
err(EX_OSERR, "cd9660_iconv");
|
|
opts |= ISOFSMNT_KICONV;
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage();
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc != 2)
|
|
usage();
|
|
|
|
dev = argv[0];
|
|
dir = argv[1];
|
|
|
|
/*
|
|
* Resolve the mountpoint with realpath(3) and remove unnecessary
|
|
* slashes from the devicename if there are any.
|
|
*/
|
|
(void)checkpath(dir, mntpath);
|
|
(void)rmslashes(dev, dev);
|
|
|
|
#define DEFAULT_ROOTUID -2
|
|
/*
|
|
* ISO 9660 file systems are not writeable.
|
|
*/
|
|
mntflags |= MNT_RDONLY;
|
|
args.export.ex_flags = MNT_EXRDONLY;
|
|
args.fspec = dev;
|
|
args.export.ex_root = DEFAULT_ROOTUID;
|
|
args.flags = opts;
|
|
|
|
if (args.ssector == -1) {
|
|
/*
|
|
* The start of the session has not been specified on
|
|
* the command line. If we can successfully read the
|
|
* TOC of a CD-ROM, use the last data track we find.
|
|
* Otherwise, just use 0, in order to mount the very
|
|
* first session. This is compatible with the
|
|
* historic behaviour of mount_cd9660(8). If the user
|
|
* has specified -s <ssector> above, we don't get here
|
|
* and leave the user's will.
|
|
*/
|
|
if ((args.ssector = get_ssector(dev)) == -1) {
|
|
if (verbose)
|
|
printf("could not determine starting sector, "
|
|
"using very first session\n");
|
|
args.ssector = 0;
|
|
} else if (verbose)
|
|
printf("using starting sector %d\n", args.ssector);
|
|
}
|
|
|
|
if (mount("cd9660", mntpath, mntflags, &args) < 0)
|
|
err(1, "%s", args.fspec);
|
|
exit(0);
|
|
}
|
|
|
|
void
|
|
usage(void)
|
|
{
|
|
(void)fprintf(stderr,
|
|
"usage: mount_cd9660 [-egrv] [-o options] [-s startsector] [-C charset ] special node\n");
|
|
exit(EX_USAGE);
|
|
}
|
|
|
|
int
|
|
get_ssector(const char *dev)
|
|
{
|
|
struct ioc_toc_header h;
|
|
struct ioc_read_toc_entry t;
|
|
struct cd_toc_entry toc_buffer[100];
|
|
int fd, ntocentries, i;
|
|
|
|
if ((fd = open(dev, O_RDONLY)) == -1)
|
|
return -1;
|
|
if (ioctl(fd, CDIOREADTOCHEADER, &h) == -1) {
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
|
|
ntocentries = h.ending_track - h.starting_track + 1;
|
|
if (ntocentries > 100) {
|
|
/* unreasonable, only 100 allowed */
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
t.address_format = CD_LBA_FORMAT;
|
|
t.starting_track = 0;
|
|
t.data_len = ntocentries * sizeof(struct cd_toc_entry);
|
|
t.data = toc_buffer;
|
|
|
|
if (ioctl(fd, CDIOREADTOCENTRYS, (char *) &t) == -1) {
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
close(fd);
|
|
|
|
for (i = ntocentries - 1; i >= 0; i--)
|
|
if ((toc_buffer[i].control & 4) != 0)
|
|
/* found a data track */
|
|
break;
|
|
if (i < 0)
|
|
return -1;
|
|
|
|
return ntohl(toc_buffer[i].addr.lba);
|
|
}
|
|
|
|
int
|
|
set_charset(struct iso_args *args, const char *localcs)
|
|
{
|
|
int error;
|
|
|
|
if (modfind("cd9660_iconv") < 0)
|
|
if (kldload("cd9660_iconv") < 0 || modfind("cd9660_iconv") < 0) {
|
|
warnx( "cannot find or load \"cd9660_iconv\" kernel module");
|
|
return (-1);
|
|
}
|
|
|
|
if ((args->cs_disk = malloc(ICONV_CSNMAXLEN)) == NULL)
|
|
return (-1);
|
|
if ((args->cs_local = malloc(ICONV_CSNMAXLEN)) == NULL)
|
|
return (-1);
|
|
strncpy(args->cs_disk, ENCODING_UNICODE, ICONV_CSNMAXLEN);
|
|
strncpy(args->cs_local, kiconv_quirkcs(localcs, KICONV_VENDOR_MICSFT),
|
|
ICONV_CSNMAXLEN);
|
|
error = kiconv_add_xlat16_cspairs(args->cs_disk, args->cs_local);
|
|
if (error)
|
|
return (-1);
|
|
|
|
return (0);
|
|
}
|