1/*
2 * Copyright (c) 1992, 1993, 1994
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * This code is derived from software donated to Berkeley by
6 * Jan-Simon Pendry.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, 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#ifndef lint
34static const char copyright[] =
35"@(#) Copyright (c) 1992, 1993, 1994\n\
36	The Regents of the University of California.  All rights reserved.\n";
37#endif /* not lint */
38
39#ifndef lint
40#if 0
41static char sccsid[] = "@(#)mount_fs.c	8.6 (Berkeley) 4/26/95";
42#endif
43static const char rcsid[] =
44	"$FreeBSD$";
45#endif /* not lint */
46
47#include <sys/param.h>
48#include <sys/mount.h>
49
50#include <err.h>
51#include <getopt.h>
52#include <libgen.h>
53#include <stdio.h>
54#include <stdlib.h>
55#include <string.h>
56#include <unistd.h>
57
58#include "extern.h"
59#include "mntopts.h"
60
61static struct mntopt mopts[] = {
62	MOPT_STDOPTS,
63	MOPT_END
64};
65
66static void
67usage(void)
68{
69	(void)fprintf(stderr,
70		"usage: mount [-t fstype] [-o options] target_fs mount_point\n");
71	exit(1);
72}
73
74int
75mount_fs(const char *vfstype, int argc, char *argv[])
76{
77	struct iovec *iov;
78	int iovlen;
79	int mntflags = 0;
80	int ch;
81	char *dev, *dir, mntpath[MAXPATHLEN];
82	char fstype[32];
83	char errmsg[255];
84	char *p, *val;
85
86	strlcpy(fstype, vfstype, sizeof(fstype));
87	memset(errmsg, 0, sizeof(errmsg));
88
89	getmnt_silent = 1;
90	iov = NULL;
91	iovlen = 0;
92
93	optind = optreset = 1;		/* Reset for parse of new argv. */
94	while ((ch = getopt(argc, argv, "o:")) != -1) {
95		switch(ch) {
96		case 'o':
97			getmntopts(optarg, mopts, &mntflags, 0);
98			p = strchr(optarg, '=');
99			val = NULL;
100			if (p != NULL) {
101				*p = '\0';
102				val = p + 1;
103			}
104			build_iovec(&iov, &iovlen, optarg, val, (size_t)-1);
105			break;
106		case '?':
107		default:
108			usage();
109		}
110	}
111
112	argc -= optind;
113	argv += optind;
114	if (argc != 2)
115		usage();
116
117	dev = argv[0];
118	dir = argv[1];
119
120	if (checkpath(dir, mntpath) != 0) {
121		warn("%s", mntpath);
122		return (1);
123	}
124	(void)rmslashes(dev, dev);
125
126	build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1);
127	build_iovec(&iov, &iovlen, "fspath", mntpath, (size_t)-1);
128	build_iovec(&iov, &iovlen, "from", dev, (size_t)-1);
129	build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg));
130
131	if (nmount(iov, iovlen, mntflags) == -1) {
132		if (*errmsg != '\0')
133			warn("%s: %s", dev, errmsg);
134		else
135			warn("%s", dev);
136		return (1);
137	}
138	return (0);
139}
140