mntopts.h revision 152912 
1/*-
2 * Copyright (c) 1994
3 *      The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 *	@(#)mntopts.h	8.7 (Berkeley) 3/29/95
30 * $FreeBSD: head/sbin/mount/mntopts.h 152912 2005-11-29 00:28:17Z rodrigc $
31 */
32
33struct mntopt {
34	const char *m_option;	/* option name */
35	int m_inverse;		/* if a negative option, e.g. "dev" */
36	int m_flag;		/* bit to set, e.g. MNT_RDONLY */
37	int m_altloc;		/* 1 => set bit in altflags */
38};
39
40/* User-visible MNT_ flags. */
41#define MOPT_ASYNC		{ "async",	0, MNT_ASYNC, 0 }
42#define MOPT_NOATIME		{ "atime",	1, MNT_NOATIME, 0 }
43#define MOPT_NOEXEC		{ "exec",	1, MNT_NOEXEC, 0 }
44#define MOPT_NOSUID		{ "suid",	1, MNT_NOSUID, 0 }
45#define MOPT_NOSYMFOLLOW	{ "symfollow",  1, MNT_NOSYMFOLLOW, 0 }
46#define MOPT_RDONLY		{ "rdonly",	0, MNT_RDONLY, 0 }
47#define MOPT_SYNC		{ "sync",	0, MNT_SYNCHRONOUS, 0 }
48#define MOPT_UNION		{ "union",	0, MNT_UNION, 0 }
49#define MOPT_USERQUOTA		{ "userquota",	0, 0, 0 }
50#define MOPT_GROUPQUOTA		{ "groupquota",	0, 0, 0 }
51#define MOPT_NOCLUSTERR		{ "clusterr",	1, MNT_NOCLUSTERR, 0 }
52#define MOPT_NOCLUSTERW		{ "clusterw",	1, MNT_NOCLUSTERW, 0 }
53#define MOPT_SUIDDIR		{ "suiddir",	0, MNT_SUIDDIR, 0 }
54#define MOPT_SNAPSHOT		{ "snapshot",	0, MNT_SNAPSHOT, 0 }
55#define MOPT_MULTILABEL		{ "multilabel",	0, MNT_MULTILABEL, 0 }
56#define MOPT_ACLS		{ "acls",	0, MNT_ACLS, 0 }
57
58/* Control flags. */
59#define MOPT_FORCE		{ "force",	0, MNT_FORCE, 0 }
60#define MOPT_UPDATE		{ "update",	0, MNT_UPDATE, 0 }
61#define MOPT_RO			{ "ro",		0, MNT_RDONLY, 0 }
62#define MOPT_RW			{ "rw",		1, MNT_RDONLY, 0 }
63
64/* This is parsed by mount(8), but is ignored by specific mount_*(8)s. */
65#define MOPT_AUTO		{ "auto",	0, 0, 0 }
66
67/* A handy macro as terminator of MNT_ array. */
68#define MOPT_END		{ NULL,		0, 0, 0 }
69
70#define MOPT_FSTAB_COMPAT						\
71	MOPT_RO,							\
72	MOPT_RW,							\
73	MOPT_AUTO
74
75/* Standard options which all mounts can understand. */
76#define MOPT_STDOPTS							\
77	MOPT_USERQUOTA,							\
78	MOPT_GROUPQUOTA,						\
79	MOPT_FSTAB_COMPAT,						\
80	MOPT_NOATIME,							\
81	MOPT_NOEXEC,							\
82	MOPT_SUIDDIR,		/* must be before MOPT_NOSUID */	\
83	MOPT_NOSUID,							\
84	MOPT_NOSYMFOLLOW,						\
85	MOPT_RDONLY,							\
86	MOPT_UNION,							\
87	MOPT_NOCLUSTERR,						\
88	MOPT_NOCLUSTERW,						\
89	MOPT_MULTILABEL,						\
90	MOPT_ACLS
91
92void getmntopts(const char *, const struct mntopt *, int *, int *);
93void rmslashes(char *, char *);
94void checkpath(const char *, char resolved_path[]);
95extern int getmnt_silent;
96void build_iovec(struct iovec **iov, int *iovlen, const char *name, void *val, size_t len);
97void build_iovec_argf(struct iovec **iov, int *iovlen, const char *name, const char *fmt, ...);
98