mount_chfs.c revision 1.3 
1/*	$NetBSD: mount_chfs.c,v 1.3 2021/06/04 22:41:36 riastradh Exp $	*/
2
3/*-
4 * Copyright (c) 2010 Department of Software Engineering,
5 *		      University of Szeged, Hungary
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by the Department of Software Engineering, University of Szeged, Hungary
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
27 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#include <sys/cdefs.h>
34#ifndef lint
35#endif /* not lint */
36
37#include <sys/param.h>
38#include <sys/mount.h>
39#include <sys/stat.h>
40#include <ufs/ufs/ufsmount.h>
41
42#include <ctype.h>
43#include <err.h>
44#include <errno.h>
45#include <grp.h>
46#include <mntopts.h>
47#include <pwd.h>
48#include <stdio.h>
49#include <stdlib.h>
50#include <string.h>
51#include <unistd.h>
52
53#include "mountprog.h"
54#include "mount_chfs.h"
55
56/* --------------------------------------------------------------------- */
57
58static void	usage(void) __dead;
59
60/* --------------------------------------------------------------------- */
61
62void
63mount_chfs_parseargs(int argc, char *argv[], struct ufs_args *args,
64    int *mntflags, char *canon_dev, char *canon_dir)
65{
66	int ch;
67	struct stat sb;
68
69	/* Set default values for mount point arguments. */
70	memset(args, 0, sizeof(*args));
71	*mntflags = 0;
72
73	optind = optreset = 1;
74
75	while ((ch = getopt(argc, argv, "i:")) != -1) {
76		switch (ch) {
77		case '?':
78		default:
79			usage();
80		}
81	}
82	argc -= optind;
83	argv += optind;
84
85	if (argc != 2)
86		usage();
87
88	//strlcpy(canon_dev, argv[0], MAXPATHLEN);
89	pathadj(argv[0], canon_dev);
90	pathadj(argv[1], canon_dir);
91
92	args->fspec = canon_dev;
93
94	if (stat(canon_dir, &sb) == -1) {
95		err(EXIT_FAILURE, "cannot stat `%s'", canon_dir);
96	}
97
98}
99
100/* --------------------------------------------------------------------- */
101
102static void
103usage(void)
104{
105	(void)fprintf(stderr,
106	    "usage: %s special mountpath\n",
107	    getprogname());
108	exit(1);
109}
110
111/* --------------------------------------------------------------------- */
112
113int
114mount_chfs(int argc, char *argv[])
115{
116	struct ufs_args args;
117	char canon_dev[MAXPATHLEN], fs_name[MAXPATHLEN];
118	int mntflags;
119
120	mount_chfs_parseargs(argc, argv, &args, &mntflags,
121	    canon_dev, fs_name);
122
123	if (mount(MOUNT_CHFS, fs_name, mntflags, &args, sizeof args) == -1) {
124		err(EXIT_FAILURE, "chfs on %s", fs_name);
125	}
126
127	if (mntflags & MNT_GETARGS) {
128
129		//(void)printf("flash index=%d\n",  args.fl_index);
130	}
131
132	return EXIT_SUCCESS;
133}
134
135#ifndef MOUNT_NOMAIN
136int
137main(int argc, char *argv[])
138{
139	setprogname(argv[0]);
140	return mount_chfs(argc, argv);
141}
142#endif
143