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mount_lfs.c revision 1.5 
      1 /*	$NetBSD: mount_lfs.c,v 1.5 1997/09/15 04:52:37 lukem 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	8.3 (Berkeley) 3/27/94";
     45 #else
     46 __RCSID("$NetBSD: mount_lfs.c,v 1.5 1997/09/15 04:52:37 lukem Exp $");
     47 #endif
     48 #endif /* not lint */
     49 
     50 #include <sys/param.h>
     51 #include <sys/mount.h>
     52 
     53 #include <err.h>
     54 #include <stdio.h>
     55 #include <stdlib.h>
     56 #include <string.h>
     57 #include <unistd.h>
     58 
     59 #include "mntopts.h"
     60 #include "pathnames.h"
     61 
     62 const struct mntopt mopts[] = {
     63 	MOPT_STDOPTS,
     64 	MOPT_UPDATE,
     65 	{ NULL }
     66 };
     67 
     68 int	main __P((int, char *[]));
     69 void	invoke_cleaner __P((char *));
     70 void	usage __P((void));
     71 
     72 int short_rds, cleaner_debug;
     73 
     74 int
     75 main(argc, argv)
     76 	int argc;
     77 	char *argv[];
     78 {
     79 	struct ufs_args args;
     80 	int ch, mntflags, noclean;
     81 	char *fs_name, *options;
     82 
     83 	options = NULL;
     84 	mntflags = noclean = 0;
     85 	while ((ch = getopt(argc, argv, "dno:s")) != -1)
     86 		switch (ch) {
     87 		case 'd':
     88 			cleaner_debug = 1;
     89 			break;
     90 		case 'n':
     91 			noclean = 1;
     92 			break;
     93 		case 'o':
     94 			getmntopts(optarg, mopts, &mntflags);
     95 			break;
     96 		case 's':
     97 			short_rds = 1;
     98 			break;
     99 		case '?':
    100 		default:
    101 			usage();
    102 		}
    103 	argc -= optind;
    104 	argv += optind;
    105 
    106 	if (argc != 2)
    107 		usage();
    108 
    109         args.fspec = argv[0];	/* the name of the device file */
    110 	fs_name = argv[1];	/* the mount point */
    111 
    112 #define DEFAULT_ROOTUID	-2
    113 	args.export.ex_root = DEFAULT_ROOTUID;
    114 	if (mntflags & MNT_RDONLY)
    115 		args.export.ex_flags = MNT_EXRDONLY;
    116 	else
    117 		args.export.ex_flags = 0;
    118 
    119 	if (mount(MOUNT_LFS, fs_name, mntflags, &args))
    120 		err(1, "%s", "");
    121 
    122 	if (!noclean)
    123 		invoke_cleaner(fs_name);
    124 		/* NOTREACHED */
    125 
    126 	exit(0);
    127 }
    128 
    129 void
    130 invoke_cleaner(name)
    131 	char *name;
    132 {
    133 	char *args[6], **ap = args;
    134 
    135 	/* Build the argument list. */
    136 	*ap++ = _PATH_LFS_CLEANERD;
    137 	if (short_rds)
    138 		*ap++ = "-s";
    139 	if (cleaner_debug)
    140 		*ap++ = "-d";
    141 	*ap++ = name;
    142 	*ap = NULL;
    143 
    144 	execv(args[0], args);
    145 	err(1, "exec %s", _PATH_LFS_CLEANERD);
    146 }
    147 
    148 void
    149 usage()
    150 {
    151 	(void)fprintf(stderr,
    152 		"usage: mount_lfs [-dns] [-o options] special node\n");
    153 	exit(1);
    154 }
    155