xref: /netbsd-src/sbin/mount_lfs/mount_lfs.c (revision ce0bb6e8d2e560ecacbe865a848624f94498063b)
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