5e074e31a2
mount_* programs. While we're at it, collapse the four now-identical mount programs for devfs, fdesc, kernfs, and procfs into links to a new mount_std(8) which can mount any really generic filesystem such as these when called with the appropriate argv[0]. Also, convert the mount programs to use sysexits.h.
166 lines
4.3 KiB
C
166 lines
4.3 KiB
C
/*-
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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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#ifndef lint
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static char copyright[] =
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"@(#) Copyright (c) 1993, 1994\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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/*
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static char sccsid[] = "@(#)mount_lfs.c 8.3 (Berkeley) 3/27/94";
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*/
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static const char rcsid[] =
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"$Id$";
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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 <err.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 <sysexits.h>
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#include <unistd.h>
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#include "mntopts.h"
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#include "pathnames.h"
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static struct mntopt mopts[] = {
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MOPT_STDOPTS,
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MOPT_UPDATE,
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{ NULL }
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};
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static __dead void usage __P((void)) __dead2;
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static void invoke_cleaner __P((char *, int, int));
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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struct ufs_args args;
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int ch, mntflags, noclean;
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char *fs_name, *options;
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struct vfsconf *vfc;
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int short_rds, cleaner_debug;
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options = NULL;
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mntflags = noclean = short_rds = cleaner_debug = 0;
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while ((ch = getopt(argc, argv, "dno:s")) != EOF)
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switch (ch) {
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case 'd':
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cleaner_debug = 1;
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break;
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case 'n':
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noclean = 1;
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break;
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case 'o':
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getmntopts(optarg, mopts, &mntflags, 0);
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break;
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case 's':
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short_rds = 1;
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break;
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case '?':
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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]; /* the name of the device file */
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fs_name = argv[1]; /* the mount point */
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#define DEFAULT_ROOTUID -2
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args.export.ex_root = DEFAULT_ROOTUID;
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if (mntflags & MNT_RDONLY)
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args.export.ex_flags = MNT_EXRDONLY;
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else
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args.export.ex_flags = 0;
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vfc = getvfsbyname("lfs");
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if(!vfc && vfsisloadable("lfs")) {
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if(vfsload("lfs"))
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err(EX_OSERR, "vfsload(lfs)");
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endvfsent(); /* flush cache */
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vfc = getvfsbyname("lfs");
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}
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if (!vfc)
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errx(EX_OSERR, "lfs filesystem is not available");
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if (mount(vfc ? vfc->vfc_index : MOUNT_LFS, fs_name, mntflags, &args))
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err(EX_OSERR, args.fspec);
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if (!noclean)
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invoke_cleaner(fs_name, short_rds, cleaner_debug);
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/* NOTREACHED */
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exit(0);
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}
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static void
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invoke_cleaner(name, short_rds, cleaner_debug)
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char *name;
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int short_rds;
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int cleaner_debug;
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{
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char *args[6], **ap = args;
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/* Build the argument list. */
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*ap++ = _PATH_LFS_CLEANERD;
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if (short_rds)
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*ap++ = "-s";
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if (cleaner_debug)
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*ap++ = "-d";
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*ap++ = name;
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*ap = NULL;
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execv(args[0], args);
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err(EX_OSERR, "exec %s", _PATH_LFS_CLEANERD);
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}
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static void
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usage()
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{
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(void)fprintf(stderr,
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"usage: mount_lfs [-dns] [-o options] special node\n");
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exit(EX_USAGE);
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}
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