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/* $OpenBSD: mount_ntfs.c,v 1.15 2015/01/16 06:39:59 deraadt Exp $ */
/* $NetBSD: mount_ntfs.c,v 1.9 2003/05/03 15:37:08 christos Exp $ */
/*
* Copyright (c) 1994 Christopher G. Demetriou
* Copyright (c) 1999 Semen Ustimenko
* All rights reserved.
*
* 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 Christopher G. Demetriou.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* Id: mount_ntfs.c,v 1.1.1.1 1999/02/03 03:51:19 semenu Exp
*/
#include <sys/types.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include <unistd.h>
#include <limits.h>
#include <mntopts.h>
static const struct mntopt mopts[] = {
MOPT_STDOPTS,
{ NULL }
};
static __dead void usage(void);
static mode_t a_mask(char *);
int
main(int argc, char *argv[])
{
struct ntfs_args args;
struct stat sb;
int c, mntflags, set_gid, set_uid, set_mask;
char *dev, dir[PATH_MAX];
mntflags = set_gid = set_uid = set_mask = 0;
memset(&args, 0, sizeof(args));
while ((c = getopt(argc, argv, "aiu:g:m:o:")) != -1) {
switch (c) {
case 'u':
args.uid = strtoul(optarg, NULL, 10);
set_uid = 1;
break;
case 'g':
args.gid = strtoul(optarg, NULL, 10);
set_gid = 1;
break;
case 'm':
args.mode = a_mask(optarg);
set_mask = 1;
break;
case 'i':
args.flag |= NTFS_MFLAG_CASEINS;
break;
case 'a':
args.flag |= NTFS_MFLAG_ALLNAMES;
break;
case 'o':
getmntopts(optarg, mopts, &mntflags);
break;
default:
usage();
break;
}
}
if (optind + 2 != argc)
usage();
dev = argv[optind];
if (realpath(argv[optind + 1], dir) == NULL)
err(1, "realpath %s", argv[optind + 1]);
args.fspec = dev;
args.export_info.ex_root = 65534; /* unchecked anyway on NTFS */
mntflags |= MNT_RDONLY;
if (mntflags & MNT_RDONLY)
args.export_info.ex_flags = MNT_EXRDONLY;
else
args.export_info.ex_flags = 0;
if (!set_gid || !set_uid || !set_mask) {
if (stat(dir, &sb) == -1)
err(EX_OSERR, "stat %s", dir);
if (!set_uid)
args.uid = sb.st_uid;
if (!set_gid)
args.gid = sb.st_gid;
if (!set_mask)
args.mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
}
if (mount(MOUNT_NTFS, dir, mntflags, &args) < 0)
err(EX_OSERR, "%s on %s", dev, dir);
exit(0);
}
static mode_t
a_mask(char *s)
{
int done, rv;
char *ep;
done = 0;
if (*s >= '0' && *s <= '7') {
done = 1;
rv = strtol(optarg, &ep, 8);
}
if (!done || rv < 0 || *ep)
errx(1, "invalid file mode: %s", s);
return (rv);
}
static void
usage(void)
{
fprintf(stderr,
"usage: mount_ntfs [-ai] [-g gid] [-m mask] [-o options] [-u uid]"
" special node\n");
exit(EX_USAGE);
}
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