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mount_lfs.c revision 1.2 
      1 /*	$NetBSD: mount_lfs.c,v 1.2 1995/03/18 14:57:32 cgd 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 #ifndef lint
     37 static char copyright[] =
     38 "@(#) 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 static char rcsid[] = "$NetBSD: mount_lfs.c,v 1.2 1995/03/18 14:57:32 cgd 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 struct mntopt mopts[] = {
     63 	MOPT_STDOPTS,
     64 	MOPT_UPDATE,
     65 	{ NULL }
     66 };
     67 
     68 void	usage __P((void));
     69 void	invoke_cleaner __P((char *));
     70 
     71 int short_rds, cleaner_debug;
     72 
     73 int
     74 main(argc, argv)
     75 	int argc;
     76 	char *argv[];
     77 {
     78 	struct ufs_args args;
     79 	int ch, mntflags, noclean;
     80 	char *fs_name, *options;
     81 
     82 	options = NULL;
     83 	mntflags = noclean = 0;
     84 	while ((ch = getopt(argc, argv, "dno:s")) != EOF)
     85 		switch (ch) {
     86 		case 'd':
     87 			cleaner_debug = 1;
     88 			break;
     89 		case 'n':
     90 			noclean = 1;
     91 			break;
     92 		case 'o':
     93 			getmntopts(optarg, mopts, &mntflags);
     94 			break;
     95 		case 's':
     96 			short_rds = 1;
     97 			break;
     98 		case '?':
     99 		default:
    100 			usage();
    101 		}
    102 	argc -= optind;
    103 	argv += optind;
    104 
    105 	if (argc != 2)
    106 		usage();
    107 
    108         args.fspec = argv[0];	/* the name of the device file */
    109 	fs_name = argv[1];	/* the mount point */
    110 
    111 #define DEFAULT_ROOTUID	-2
    112 	args.export.ex_root = DEFAULT_ROOTUID;
    113 	if (mntflags & MNT_RDONLY)
    114 		args.export.ex_flags = MNT_EXRDONLY;
    115 	else
    116 		args.export.ex_flags = 0;
    117 
    118 	if (mount(MOUNT_LFS, fs_name, mntflags, &args))
    119 		err(1, NULL);
    120 
    121 	if (!noclean)
    122 		invoke_cleaner(fs_name);
    123 		/* NOTREACHED */
    124 
    125 	exit(0);
    126 }
    127 
    128 void
    129 invoke_cleaner(name)
    130 	char *name;
    131 {
    132 	char *args[6], **ap = args;
    133 
    134 	/* Build the argument list. */
    135 	*ap++ = _PATH_LFS_CLEANERD;
    136 	if (short_rds)
    137 		*ap++ = "-s";
    138 	if (cleaner_debug)
    139 		*ap++ = "-d";
    140 	*ap++ = name;
    141 	*ap = NULL;
    142 
    143 	execv(args[0], args);
    144 	err(1, "exec %s", _PATH_LFS_CLEANERD);
    145 }
    146 
    147 void
    148 usage()
    149 {
    150 	(void)fprintf(stderr,
    151 		"usage: mount_lfs [-dns] [-o options] special node\n");
    152 	exit(1);
    153 }
    154