1/*	$NetBSD: mount_ffs.c,v 1.26 2011/06/17 14:23:51 manu 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. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33#ifndef lint
34__COPYRIGHT("@(#) Copyright (c) 1993, 1994\
35 The Regents of the University of California.  All rights reserved.");
36#endif /* not lint */
37
38#ifndef lint
39#if 0
40static char sccsid[] = "@(#)mount_ufs.c	8.4 (Berkeley) 4/26/95";
41#else
42__RCSID("$NetBSD: mount_ffs.c,v 1.26 2011/06/17 14:23:51 manu Exp $");
43#endif
44#endif /* not lint */
45
46#include <sys/param.h>
47#include <sys/mount.h>
48#include <ufs/ufs/ufsmount.h>
49
50#include <err.h>
51#include <errno.h>
52#include <stdio.h>
53#include <stdlib.h>
54
55#include <string.h>
56#include <unistd.h>
57
58#include <mntopts.h>
59
60#include "mountprog.h"
61#include "mount_ffs.h"
62
63__dead static void	ffs_usage(void);
64
65static const struct mntopt mopts[] = {
66	MOPT_STDOPTS,
67	MOPT_ASYNC,
68	MOPT_SYNC,
69	MOPT_UPDATE,
70	MOPT_RELOAD,
71	MOPT_NOATIME,
72	MOPT_NODEVMTIME,
73	MOPT_FORCE,
74	MOPT_SOFTDEP,
75	MOPT_LOG,
76	MOPT_GETARGS,
77	MOPT_EXTATTR,
78	MOPT_NULL,
79};
80
81#ifndef MOUNT_NOMAIN
82int
83main(int argc, char **argv)
84{
85
86	setprogname(argv[0]);
87	return mount_ffs(argc, argv);
88}
89#endif
90
91void
92mount_ffs_parseargs(int argc, char *argv[],
93	struct ufs_args *args, int *mntflags,
94	char *canon_dev, char *canon_dir)
95{
96	int ch;
97	mntoptparse_t mp;
98
99	memset(args, 0, sizeof(*args));
100	*mntflags = 0;
101	optind = optreset = 1;		/* Reset for parse of new argv. */
102	while ((ch = getopt(argc, argv, "o:")) != -1)
103		switch (ch) {
104		case 'o':
105			mp = getmntopts(optarg, mopts, mntflags, 0);
106			if (mp == NULL)
107				err(1, "getmntopts");
108			freemntopts(mp);
109			break;
110		case '?':
111		default:
112			ffs_usage();
113		}
114	argc -= optind;
115	argv += optind;
116
117	if (argc != 2)
118		ffs_usage();
119
120	pathadj(argv[0], canon_dev);
121	args->fspec = canon_dev;
122
123	pathadj(argv[1], canon_dir);
124}
125
126int
127mount_ffs(int argc, char *argv[])
128{
129	char fs_name[MAXPATHLEN], canon_dev[MAXPATHLEN];
130	struct ufs_args args;
131	const char *errcause;
132	int mntflags;
133
134	mount_ffs_parseargs(argc, argv, &args, &mntflags, canon_dev, fs_name);
135
136	if (mount(MOUNT_FFS, fs_name, mntflags, &args, sizeof args) == -1) {
137		switch (errno) {
138		case EMFILE:
139			errcause = "mount table full";
140			break;
141		case EINVAL:
142			if (mntflags & MNT_UPDATE)
143				errcause =
144			    "specified device does not match mounted device";
145			else
146				errcause = "incorrect super block";
147			break;
148		default:
149			errcause = strerror(errno);
150			break;
151		}
152		errx(1, "%s on %s: %s", args.fspec, fs_name, errcause);
153	}
154	exit(0);
155}
156
157static void
158ffs_usage(void)
159{
160	fprintf(stderr, "usage: %s [-o options] special node\n", getprogname());
161	exit(1);
162}
163