166 lines
4.1 KiB
C
166 lines
4.1 KiB
C
/* $NetBSD: mount_ffs.c,v 1.30 2021/09/18 03:05:20 christos Exp $ */
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/*-
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* Copyright (c) 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1993, 1994\
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The Regents of the University of California. All rights reserved.");
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)mount_ufs.c 8.4 (Berkeley) 4/26/95";
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#else
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__RCSID("$NetBSD: mount_ffs.c,v 1.30 2021/09/18 03:05:20 christos Exp $");
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#endif
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <ufs/ufs/ufsmount.h>
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#include <err.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <mntopts.h>
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#include "mountprog.h"
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#include "mount_ffs.h"
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__dead static void ffs_usage(void);
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static const struct mntopt mopts[] = {
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MOPT_STDOPTS,
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MOPT_NFS4ACLS,
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MOPT_POSIX1EACLS,
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MOPT_ASYNC,
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MOPT_SYNC,
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MOPT_UPDATE,
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MOPT_RELOAD,
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MOPT_NOATIME,
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MOPT_NODEVMTIME,
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MOPT_FORCE,
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MOPT_SOFTDEP,
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MOPT_LOG,
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MOPT_GETARGS,
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MOPT_EXTATTR,
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MOPT_DISCARD,
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MOPT_NULL,
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};
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#ifndef MOUNT_NOMAIN
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int
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main(int argc, char **argv)
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{
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setprogname(argv[0]);
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return mount_ffs(argc, argv);
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}
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#endif
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void
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mount_ffs_parseargs(int argc, char *argv[],
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struct ufs_args *args, int *mntflags,
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char *canon_dev, char *canon_dir)
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{
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int ch;
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mntoptparse_t mp;
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memset(args, 0, sizeof(*args));
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*mntflags = 0;
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optind = optreset = 1; /* Reset for parse of new argv. */
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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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mp = getmntopts(optarg, mopts, mntflags, 0);
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if (mp == NULL)
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err(1, "getmntopts");
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freemntopts(mp);
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break;
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case '?':
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default:
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ffs_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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ffs_usage();
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pathadj(argv[0], canon_dev);
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args->fspec = canon_dev;
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pathadj(argv[1], canon_dir);
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}
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int
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mount_ffs(int argc, char *argv[])
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{
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char fs_name[MAXPATHLEN], canon_dev[MAXPATHLEN];
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struct ufs_args args;
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const char *errcause;
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int mntflags;
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mount_ffs_parseargs(argc, argv, &args, &mntflags, canon_dev, fs_name);
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if (mount(MOUNT_FFS, fs_name, mntflags, &args, sizeof args) == -1) {
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switch (errno) {
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case EMFILE:
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errcause = "mount table full";
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break;
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case EINVAL:
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if (mntflags & MNT_UPDATE)
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errcause =
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"specified device does not match mounted device";
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else
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errcause = "incorrect super block";
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break;
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default:
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errcause = strerror(errno);
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break;
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}
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errx(1, "%s on %s: %s", args.fspec, fs_name, errcause);
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}
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exit(0);
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}
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static void
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ffs_usage(void)
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{
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fprintf(stderr, "usage: %s [-o options] special node\n", getprogname());
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exit(1);
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}
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