xref: /netbsd-src/external/cddl/osnet/lib/libzfs/zmount.c (revision 8027df3b0b366b62c2c0f260b7a2fce1ea137631)
1 /*	$NetBSD: zmount.c,v 1.2 2019/01/12 10:44:05 hannken Exp $	*/
2 
3 /*-
4  * Copyright (c) 2009 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Andrew Doran.
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 #include <sys/cdefs.h>
33 #include <sys/param.h>
34 #include <sys/mount.h>
35 #include <sys/uio.h>
36 #include <sys/mntent.h>
37 
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <assert.h>
42 
43 #undef	mount
44 
45 int
zmount(const char * spec,const char * dir,int mflag,char * fstype,char * dataptr,int datalen,char * optptr,int optlen)46 zmount(const char *spec, const char *dir, int mflag, char *fstype,
47     char *dataptr, int datalen, char *optptr, int optlen)
48 {
49 	zfs_args_t za;
50 
51 	memset(&za, 0, sizeof(zfs_args_t));
52 
53 	strlcpy(za.fspec, spec, sizeof(za.fspec) - 1);
54 	if (dataptr != NULL)
55 		strlcpy(za.dataptr, dataptr, MAXPATHLEN);
56 	strlcpy(za.optptr, optptr, sizeof(za.optptr) - 1);
57 	za.mflag = mflag;
58 	za.datalen = datalen;
59 	za.optlen = optlen;
60 
61 	/* Null unused variables */
62 	za.flags = 0;
63 	za.fstype = NULL;
64 
65 	return mount(fstype, dir, 0, &za, sizeof(za));
66 }
67 
68 int
umount2(const char * spec,int mflag)69 umount2(const char *spec, int mflag)
70 {
71 
72 	return unmount(spec, mflag);
73 }
74