125 lines
3.5 KiB
C
125 lines
3.5 KiB
C
/* $OpenBSD: mount_ffs.c,v 1.26 2022/12/04 23:50:46 cheloha Exp $ */
|
|
/* $NetBSD: mount_ffs.c,v 1.3 1996/04/13 01:31:19 jtc Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1993, 1994
|
|
* The Regents of the University of California. 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. 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.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/mount.h>
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <limits.h>
|
|
|
|
#include "mntopts.h"
|
|
|
|
void ffs_usage(void);
|
|
|
|
static const struct mntopt mopts[] = {
|
|
MOPT_STDOPTS,
|
|
MOPT_WXALLOWED,
|
|
MOPT_NOPERM,
|
|
MOPT_ASYNC,
|
|
MOPT_SYNC,
|
|
MOPT_UPDATE,
|
|
MOPT_RELOAD,
|
|
MOPT_FORCE,
|
|
MOPT_SOFTDEP,
|
|
{ NULL }
|
|
};
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
struct ufs_args args; /* XXX ffs_args */
|
|
int ch, mntflags;
|
|
char fs_name[PATH_MAX], *errcause;
|
|
|
|
mntflags = 0;
|
|
optind = optreset = 1; /* Reset for parse of new argv. */
|
|
while ((ch = getopt(argc, argv, "o:")) != -1)
|
|
switch (ch) {
|
|
case 'o':
|
|
getmntopts(optarg, mopts, &mntflags);
|
|
break;
|
|
default:
|
|
ffs_usage();
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc != 2)
|
|
ffs_usage();
|
|
|
|
args.fspec = argv[0]; /* The name of the device file. */
|
|
if (realpath(argv[1], fs_name) == NULL) /* The mount point. */
|
|
err(1, "realpath %s", argv[1]);
|
|
|
|
#define DEFAULT_ROOTUID -2
|
|
args.export_info.ex_root = DEFAULT_ROOTUID;
|
|
if (mntflags & MNT_RDONLY)
|
|
args.export_info.ex_flags = MNT_EXRDONLY;
|
|
else
|
|
args.export_info.ex_flags = 0;
|
|
|
|
if (mntflags & MNT_NOPERM)
|
|
mntflags |= MNT_NODEV | MNT_NOEXEC;
|
|
|
|
if (mount(MOUNT_FFS, fs_name, mntflags, &args) == -1) {
|
|
switch (errno) {
|
|
case EMFILE:
|
|
errcause = "mount table full";
|
|
break;
|
|
case EOPNOTSUPP:
|
|
errcause = "filesystem not supported by kernel";
|
|
break;
|
|
case EROFS:
|
|
errcause =
|
|
"filesystem must be mounted read-only; you may need to run fsck";
|
|
break;
|
|
default:
|
|
errcause = strerror(errno);
|
|
break;
|
|
}
|
|
errx(1, "%s on %s: %s", args.fspec, fs_name, errcause);
|
|
}
|
|
exit(0);
|
|
}
|
|
|
|
void
|
|
ffs_usage(void)
|
|
{
|
|
(void)fprintf(stderr, "usage: mount_ffs [-o options] special node\n");
|
|
exit(1);
|
|
}
|