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mount_lfs.c revision 1.7 
      1 /*	$NetBSD: mount_lfs.c,v 1.7 1998/03/01 02:20:41 fvdl Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1993, 1994
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include <sys/cdefs.h>
     37 #ifndef lint
     38 __COPYRIGHT("@(#) Copyright (c) 1993, 1994\n\
     39 	The Regents of the University of California.  All rights reserved.\n");
     40 #endif /* not lint */
     41 
     42 #ifndef lint
     43 #if 0
     44 static char sccsid[] = "@(#)mount_lfs.c	8.4 (Berkeley) 4/26/95";
     45 #else
     46 __RCSID("$NetBSD: mount_lfs.c,v 1.7 1998/03/01 02:20:41 fvdl Exp $");
     47 #endif
     48 #endif /* not lint */
     49 
     50 #include <sys/param.h>
     51 #include <sys/mount.h>
     52 
     53 #include <ufs/ufs/ufsmount.h>
     54 
     55 #include <err.h>
     56 #include <stdio.h>
     57 #include <stdlib.h>
     58 #include <string.h>
     59 #include <unistd.h>
     60 
     61 #include "mntopts.h"
     62 #include "pathnames.h"
     63 
     64 const struct mntopt mopts[] = {
     65 	MOPT_STDOPTS,
     66 	MOPT_UPDATE,
     67 	{ NULL }
     68 };
     69 
     70 int	main __P((int, char *[]));
     71 void	invoke_cleaner __P((char *));
     72 void	usage __P((void));
     73 
     74 int short_rds, cleaner_debug;
     75 
     76 int
     77 main(argc, argv)
     78 	int argc;
     79 	char *argv[];
     80 {
     81 	struct ufs_args args;
     82 	int ch, mntflags, noclean;
     83 	char *fs_name, *options;
     84 
     85 	options = NULL;
     86 	mntflags = noclean = 0;
     87 	while ((ch = getopt(argc, argv, "dno:s")) != -1)
     88 		switch (ch) {
     89 		case 'd':
     90 			cleaner_debug = 1;
     91 			break;
     92 		case 'n':
     93 			noclean = 1;
     94 			break;
     95 		case 'o':
     96 			getmntopts(optarg, mopts, &mntflags, 0);
     97 			break;
     98 		case 's':
     99 			short_rds = 1;
    100 			break;
    101 		case '?':
    102 		default:
    103 			usage();
    104 		}
    105 	argc -= optind;
    106 	argv += optind;
    107 
    108 	if (argc != 2)
    109 		usage();
    110 
    111         args.fspec = argv[0];	/* the name of the device file */
    112 	fs_name = argv[1];	/* the mount point */
    113 
    114 #define DEFAULT_ROOTUID	-2
    115 	args.export.ex_root = DEFAULT_ROOTUID;
    116 	if (mntflags & MNT_RDONLY)
    117 		args.export.ex_flags = MNT_EXRDONLY;
    118 	else
    119 		args.export.ex_flags = 0;
    120 
    121 	if (mount(MOUNT_LFS, fs_name, mntflags, &args))
    122 		err(1, "%s", "");
    123 
    124 	if (!noclean)
    125 		invoke_cleaner(fs_name);
    126 		/* NOTREACHED */
    127 
    128 	exit(0);
    129 }
    130 
    131 void
    132 invoke_cleaner(name)
    133 	char *name;
    134 {
    135 	char *args[6], **ap = args;
    136 
    137 	/* Build the argument list. */
    138 	*ap++ = _PATH_LFS_CLEANERD;
    139 	if (short_rds)
    140 		*ap++ = "-s";
    141 	if (cleaner_debug)
    142 		*ap++ = "-d";
    143 	*ap++ = name;
    144 	*ap = NULL;
    145 
    146 	execv(args[0], args);
    147 	err(1, "exec %s", _PATH_LFS_CLEANERD);
    148 }
    149 
    150 void
    151 usage()
    152 {
    153 	(void)fprintf(stderr,
    154 		"usage: mount_lfs [-dns] [-o options] special node\n");
    155 	exit(1);
    156 }
    157