xref: /netbsd-src/sbin/mount_lfs/mount_lfs.c (revision ae9172d6cd9432a6a1a56760d86b32c57a66c39c)
1 /*-
2  * Copyright (c) 1993, 1994
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #ifndef lint
35 static char copyright[] =
36 "@(#) Copyright (c) 1993, 1994\n\
37 	The Regents of the University of California.  All rights reserved.\n";
38 #endif /* not lint */
39 
40 #ifndef lint
41 static char sccsid[] = "@(#)mount_lfs.c	8.3 (Berkeley) 3/27/94";
42 #endif /* not lint */
43 
44 #include <sys/param.h>
45 #include <sys/mount.h>
46 
47 #include <err.h>
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include <unistd.h>
52 
53 #include "mntopts.h"
54 #include "pathnames.h"
55 
56 struct mntopt mopts[] = {
57 	MOPT_STDOPTS,
58 	MOPT_UPDATE,
59 	{ NULL }
60 };
61 
62 void	usage __P((void));
63 void	invoke_cleaner __P((char *));
64 
65 int short_rds, cleaner_debug;
66 
67 int
68 main(argc, argv)
69 	int argc;
70 	char *argv[];
71 {
72 	struct ufs_args args;
73 	int ch, mntflags, noclean;
74 	char *fs_name, *options;
75 
76 	options = NULL;
77 	mntflags = noclean = 0;
78 	while ((ch = getopt(argc, argv, "dno:s")) != EOF)
79 		switch (ch) {
80 		case 'd':
81 			cleaner_debug = 1;
82 			break;
83 		case 'n':
84 			noclean = 1;
85 			break;
86 		case 'o':
87 			getmntopts(optarg, mopts, &mntflags);
88 			break;
89 		case 's':
90 			short_rds = 1;
91 			break;
92 		case '?':
93 		default:
94 			usage();
95 		}
96 	argc -= optind;
97 	argv += optind;
98 
99 	if (argc != 2)
100 		usage();
101 
102         args.fspec = argv[0];	/* the name of the device file */
103 	fs_name = argv[1];	/* the mount point */
104 
105 #define DEFAULT_ROOTUID	-2
106 	args.export.ex_root = DEFAULT_ROOTUID;
107 	if (mntflags & MNT_RDONLY)
108 		args.export.ex_flags = MNT_EXRDONLY;
109 	else
110 		args.export.ex_flags = 0;
111 
112 	if (mount(MOUNT_LFS, fs_name, mntflags, &args))
113 		err(1, NULL);
114 
115 	if (!noclean)
116 		invoke_cleaner(fs_name);
117 		/* NOTREACHED */
118 
119 	exit(0);
120 }
121 
122 void
123 invoke_cleaner(name)
124 	char *name;
125 {
126 	char *args[6], **ap = args;
127 
128 	/* Build the argument list. */
129 	*ap++ = _PATH_LFS_CLEANERD;
130 	if (short_rds)
131 		*ap++ = "-s";
132 	if (cleaner_debug)
133 		*ap++ = "-d";
134 	*ap++ = name;
135 	*ap = NULL;
136 
137 	execv(args[0], args);
138 	err(1, "exec %s", _PATH_LFS_CLEANERD);
139 }
140 
141 void
142 usage()
143 {
144 	(void)fprintf(stderr,
145 		"usage: mount_lfs [-dns] [-o options] special node\n");
146 	exit(1);
147 }
148