1/*	$NetBSD$ */
2
3/*-
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by UCHIYAMA Yasushi.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31/*-
32 * Copyright (c) 1993, 1994
33 *	The Regents of the University of California.  All rights reserved.
34 *
35 * Redistribution and use in source and binary forms, with or without
36 * modification, are permitted provided that the following conditions
37 * are met:
38 * 1. Redistributions of source code must retain the above copyright
39 *    notice, this list of conditions and the following disclaimer.
40 * 2. Redistributions in binary form must reproduce the above copyright
41 *    notice, this list of conditions and the following disclaimer in the
42 *    documentation and/or other materials provided with the distribution.
43 * 3. Neither the name of the University nor the names of its contributors
44 *    may be used to endorse or promote products derived from this software
45 *    without specific prior written permission.
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
48 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
51 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
52 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
53 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
54 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
55 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
56 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
57 * SUCH DAMAGE.
58 */
59
60#include <sys/cdefs.h>
61#ifndef lint
62__RCSID("$NetBSD$");
63#endif /* not lint */
64
65#include <sys/param.h>
66#include <sys/mount.h>
67
68#include <err.h>
69#include <errno.h>
70#include <stdio.h>
71#include <stdlib.h>
72
73#include <string.h>
74#include <unistd.h>
75
76#include <mntopts.h>
77
78#include "mountprog.h"
79#include "mount_v7fs.h"
80
81static const struct mntopt mopts[] = {
82	MOPT_STDOPTS,
83	MOPT_UPDATE,
84	MOPT_GETARGS,
85	MOPT_NULL,
86};
87
88static void v7fs_usage(void) __dead;
89
90#ifndef MOUNT_NOMAIN
91int
92main(int argc, char **argv)
93{
94
95	return mount_v7fs(argc, argv);
96}
97#endif
98
99int
100mount_v7fs(int argc, char *argv[])
101{
102	struct v7fs_args args;
103	char canon_dev[MAXPATHLEN], canon_dir[MAXPATHLEN];
104	const char *errcause;
105	int mntflags;
106
107	mount_v7fs_parseargs(argc, argv, &args, &mntflags,
108	    canon_dev, canon_dir);
109
110	if (mount(MOUNT_V7FS, canon_dir, mntflags, &args, sizeof args) == -1) {
111		switch (errno) {
112		case EMFILE:
113			errcause = "mount table full";
114			break;
115		case EINVAL:
116			if (mntflags & MNT_UPDATE)
117				errcause =
118			    "specified device does not match mounted device";
119			else
120				errcause = "incorrect super block";
121			break;
122		default:
123			errcause = strerror(errno);
124			break;
125		}
126		errx(EXIT_FAILURE, "%s on %s: %s", canon_dev, canon_dir,
127		    errcause);
128	}
129
130	if (mntflags & MNT_GETARGS) {
131		printf("endian=%d\n", args.endian);
132	}
133
134	return EXIT_SUCCESS;
135}
136
137void
138mount_v7fs_parseargs(int argc, char **argv, struct v7fs_args *args,
139    int *mntflags, char *canon_dev, char *canon_dir)
140{
141	int ch;
142	mntoptparse_t mp;
143	int endian = _BYTE_ORDER;
144	*mntflags = 0;
145	optind = optreset = 1;		/* Reset for parse of new argv. */
146	while ((ch = getopt(argc, argv, "o:B:")) != -1)
147		switch (ch) {
148		case 'o':
149			mp = getmntopts(optarg, mopts, mntflags, 0);
150			if (mp == NULL)
151				err(1, "getmntopts");
152			freemntopts(mp);
153			break;
154		case 'B':
155		  switch (optarg[0]) {
156		    case 'l':
157		      endian = _LITTLE_ENDIAN;
158		      break;
159		    case 'b':
160		      endian = _BIG_ENDIAN;
161		      break;
162		    case 'p':
163		      endian = _PDP_ENDIAN;
164		      break;
165		    }
166		  break;
167		case '?':
168
169		default:
170			v7fs_usage();
171		}
172	argc -= optind;
173	argv += optind;
174
175	if (argc != 2)
176		v7fs_usage();
177
178	pathadj(argv[0], canon_dev);
179	args->endian = endian;
180	args->fspec = canon_dev;
181	pathadj(argv[1], canon_dir);
182}
183
184static void
185v7fs_usage(void)
186{
187
188	fprintf(stderr, "usage: \n %s [-o options] [-B endian] special node\n",
189	    getprogname());
190	exit(EXIT_FAILURE);
191}
192