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mount_lfs.c revision 1.7.2.2
      1  1.7.2.2       he /*	$NetBSD: mount_lfs.c,v 1.7.2.2 1999/12/16 23:52:51 he Exp $	*/
      2      1.2      cgd 
      3      1.1  mycroft /*-
      4      1.1  mycroft  * Copyright (c) 1993, 1994
      5      1.1  mycroft  *	The Regents of the University of California.  All rights reserved.
      6      1.1  mycroft  *
      7      1.1  mycroft  * Redistribution and use in source and binary forms, with or without
      8      1.1  mycroft  * modification, are permitted provided that the following conditions
      9      1.1  mycroft  * are met:
     10      1.1  mycroft  * 1. Redistributions of source code must retain the above copyright
     11      1.1  mycroft  *    notice, this list of conditions and the following disclaimer.
     12      1.1  mycroft  * 2. Redistributions in binary form must reproduce the above copyright
     13      1.1  mycroft  *    notice, this list of conditions and the following disclaimer in the
     14      1.1  mycroft  *    documentation and/or other materials provided with the distribution.
     15      1.1  mycroft  * 3. All advertising materials mentioning features or use of this software
     16      1.1  mycroft  *    must display the following acknowledgement:
     17      1.1  mycroft  *	This product includes software developed by the University of
     18      1.1  mycroft  *	California, Berkeley and its contributors.
     19      1.1  mycroft  * 4. Neither the name of the University nor the names of its contributors
     20      1.1  mycroft  *    may be used to endorse or promote products derived from this software
     21      1.1  mycroft  *    without specific prior written permission.
     22      1.1  mycroft  *
     23      1.1  mycroft  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24      1.1  mycroft  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25      1.1  mycroft  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26      1.1  mycroft  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27      1.1  mycroft  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28      1.1  mycroft  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29      1.1  mycroft  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30      1.1  mycroft  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31      1.1  mycroft  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32      1.1  mycroft  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33      1.1  mycroft  * SUCH DAMAGE.
     34      1.1  mycroft  */
     35      1.1  mycroft 
     36      1.5    lukem #include <sys/cdefs.h>
     37      1.1  mycroft #ifndef lint
     38      1.5    lukem __COPYRIGHT("@(#) Copyright (c) 1993, 1994\n\
     39      1.5    lukem 	The Regents of the University of California.  All rights reserved.\n");
     40      1.1  mycroft #endif /* not lint */
     41      1.1  mycroft 
     42      1.1  mycroft #ifndef lint
     43      1.2      cgd #if 0
     44      1.6    lukem static char sccsid[] = "@(#)mount_lfs.c	8.4 (Berkeley) 4/26/95";
     45      1.2      cgd #else
     46  1.7.2.2       he __RCSID("$NetBSD: mount_lfs.c,v 1.7.2.2 1999/12/16 23:52:51 he Exp $");
     47      1.2      cgd #endif
     48      1.1  mycroft #endif /* not lint */
     49      1.1  mycroft 
     50      1.1  mycroft #include <sys/param.h>
     51      1.1  mycroft #include <sys/mount.h>
     52      1.7     fvdl 
     53      1.7     fvdl #include <ufs/ufs/ufsmount.h>
     54      1.1  mycroft 
     55      1.1  mycroft #include <err.h>
     56  1.7.2.1       he #include <errno.h>
     57      1.1  mycroft #include <stdio.h>
     58      1.1  mycroft #include <stdlib.h>
     59      1.1  mycroft #include <string.h>
     60      1.1  mycroft #include <unistd.h>
     61      1.1  mycroft 
     62      1.1  mycroft #include "mntopts.h"
     63      1.1  mycroft #include "pathnames.h"
     64      1.1  mycroft 
     65      1.4      cgd const struct mntopt mopts[] = {
     66      1.1  mycroft 	MOPT_STDOPTS,
     67      1.1  mycroft 	MOPT_UPDATE,
     68      1.1  mycroft 	{ NULL }
     69      1.1  mycroft };
     70      1.1  mycroft 
     71      1.5    lukem int	main __P((int, char *[]));
     72      1.5    lukem void	invoke_cleaner __P((char *));
     73      1.1  mycroft void	usage __P((void));
     74      1.1  mycroft 
     75      1.1  mycroft int short_rds, cleaner_debug;
     76      1.1  mycroft 
     77      1.1  mycroft int
     78      1.1  mycroft main(argc, argv)
     79      1.1  mycroft 	int argc;
     80      1.1  mycroft 	char *argv[];
     81      1.1  mycroft {
     82      1.1  mycroft 	struct ufs_args args;
     83      1.1  mycroft 	int ch, mntflags, noclean;
     84      1.1  mycroft 	char *fs_name, *options;
     85  1.7.2.1       he 	const char *errcause;
     86      1.1  mycroft 
     87      1.1  mycroft 	options = NULL;
     88      1.1  mycroft 	mntflags = noclean = 0;
     89      1.5    lukem 	while ((ch = getopt(argc, argv, "dno:s")) != -1)
     90      1.1  mycroft 		switch (ch) {
     91      1.1  mycroft 		case 'd':
     92      1.1  mycroft 			cleaner_debug = 1;
     93      1.1  mycroft 			break;
     94      1.1  mycroft 		case 'n':
     95      1.1  mycroft 			noclean = 1;
     96      1.1  mycroft 			break;
     97      1.1  mycroft 		case 'o':
     98      1.6    lukem 			getmntopts(optarg, mopts, &mntflags, 0);
     99      1.1  mycroft 			break;
    100      1.1  mycroft 		case 's':
    101      1.1  mycroft 			short_rds = 1;
    102      1.1  mycroft 			break;
    103      1.1  mycroft 		case '?':
    104      1.1  mycroft 		default:
    105      1.1  mycroft 			usage();
    106      1.1  mycroft 		}
    107      1.1  mycroft 	argc -= optind;
    108      1.1  mycroft 	argv += optind;
    109      1.1  mycroft 
    110      1.1  mycroft 	if (argc != 2)
    111      1.1  mycroft 		usage();
    112      1.1  mycroft 
    113  1.7.2.1       he 	args.fspec = argv[0];	/* the name of the device file */
    114      1.1  mycroft 	fs_name = argv[1];	/* the mount point */
    115      1.1  mycroft 
    116      1.1  mycroft #define DEFAULT_ROOTUID	-2
    117      1.1  mycroft 	args.export.ex_root = DEFAULT_ROOTUID;
    118  1.7.2.2       he 	if (mntflags & MNT_RDONLY) {
    119      1.1  mycroft 		args.export.ex_flags = MNT_EXRDONLY;
    120  1.7.2.2       he 		noclean = 1;
    121  1.7.2.2       he 	} else
    122      1.1  mycroft 		args.export.ex_flags = 0;
    123      1.1  mycroft 
    124  1.7.2.1       he 	if (mount(MOUNT_LFS, fs_name, mntflags, &args)) {
    125  1.7.2.1       he 		switch (errno) {
    126  1.7.2.1       he 		case EMFILE:
    127  1.7.2.1       he 			errcause = "mount table full";
    128  1.7.2.1       he 			break;
    129  1.7.2.1       he 		case EINVAL:
    130  1.7.2.1       he 			if (mntflags & MNT_UPDATE)
    131  1.7.2.1       he 				errcause =
    132  1.7.2.1       he 			    "specified device does not match mounted device";
    133  1.7.2.1       he 			else
    134  1.7.2.1       he 				errcause = "incorrect super block";
    135  1.7.2.1       he 			break;
    136  1.7.2.1       he 		default:
    137  1.7.2.1       he 			errcause = strerror(errno);
    138  1.7.2.1       he 			break;
    139  1.7.2.1       he 		}
    140  1.7.2.1       he 		errx(1, "%s on %s: %s", args.fspec, fs_name, errcause);
    141  1.7.2.1       he 	}
    142      1.1  mycroft 
    143      1.1  mycroft 	if (!noclean)
    144      1.1  mycroft 		invoke_cleaner(fs_name);
    145      1.1  mycroft 		/* NOTREACHED */
    146      1.1  mycroft 
    147      1.1  mycroft 	exit(0);
    148      1.1  mycroft }
    149      1.1  mycroft 
    150      1.1  mycroft void
    151      1.1  mycroft invoke_cleaner(name)
    152      1.1  mycroft 	char *name;
    153      1.1  mycroft {
    154      1.1  mycroft 	char *args[6], **ap = args;
    155      1.1  mycroft 
    156      1.1  mycroft 	/* Build the argument list. */
    157      1.1  mycroft 	*ap++ = _PATH_LFS_CLEANERD;
    158      1.1  mycroft 	if (short_rds)
    159      1.1  mycroft 		*ap++ = "-s";
    160      1.1  mycroft 	if (cleaner_debug)
    161      1.1  mycroft 		*ap++ = "-d";
    162      1.1  mycroft 	*ap++ = name;
    163      1.1  mycroft 	*ap = NULL;
    164      1.1  mycroft 
    165      1.1  mycroft 	execv(args[0], args);
    166      1.1  mycroft 	err(1, "exec %s", _PATH_LFS_CLEANERD);
    167      1.1  mycroft }
    168      1.1  mycroft 
    169      1.1  mycroft void
    170      1.1  mycroft usage()
    171      1.1  mycroft {
    172      1.1  mycroft 	(void)fprintf(stderr,
    173      1.1  mycroft 		"usage: mount_lfs [-dns] [-o options] special node\n");
    174      1.1  mycroft 	exit(1);
    175      1.1  mycroft }
    176