xref: /freebsd/sbin/mount/mntopts.h (revision 732a02b4e77866604a120a275c082bb6221bd2ff)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1994
5  *      The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *	@(#)mntopts.h	8.7 (Berkeley) 3/29/95
32  * $FreeBSD$
33  */
34 
35 struct mntopt {
36 	const char *m_option;	/* option name */
37 	int m_inverse;		/* if a negative option, e.g. "atime" */
38 	long long m_flag;	/* bit to set, e.g. MNT_RDONLY */
39 	int m_altloc;		/* 1 => set bit in altflags */
40 };
41 
42 /* User-visible MNT_ flags. */
43 #define MOPT_ASYNC		{ "async",	0, MNT_ASYNC, 0 }
44 #define MOPT_NOATIME		{ "atime",	1, MNT_NOATIME, 0 }
45 #define MOPT_NOEXEC		{ "exec",	1, MNT_NOEXEC, 0 }
46 #define MOPT_NOSUID		{ "suid",	1, MNT_NOSUID, 0 }
47 #define MOPT_NOSYMFOLLOW	{ "symfollow",  1, MNT_NOSYMFOLLOW, 0 }
48 #define MOPT_RDONLY		{ "rdonly",	0, MNT_RDONLY, 0 }
49 #define MOPT_SYNC		{ "sync",	0, MNT_SYNCHRONOUS, 0 }
50 #define MOPT_UNION		{ "union",	0, MNT_UNION, 0 }
51 #define MOPT_USERQUOTA		{ "userquota",	0, 0, 0 }
52 #define MOPT_GROUPQUOTA		{ "groupquota",	0, 0, 0 }
53 #define MOPT_NOCLUSTERR		{ "clusterr",	1, MNT_NOCLUSTERR, 0 }
54 #define MOPT_NOCLUSTERW		{ "clusterw",	1, MNT_NOCLUSTERW, 0 }
55 #define MOPT_SUIDDIR		{ "suiddir",	0, MNT_SUIDDIR, 0 }
56 #define MOPT_SNAPSHOT		{ "snapshot",	0, MNT_SNAPSHOT, 0 }
57 #define MOPT_MULTILABEL		{ "multilabel",	0, MNT_MULTILABEL, 0 }
58 #define MOPT_ACLS		{ "acls",	0, MNT_ACLS, 0 }
59 #define MOPT_NFS4ACLS		{ "nfsv4acls",	0, MNT_NFS4ACLS, 0 }
60 #define MOPT_AUTOMOUNTED	{ "automounted",0, MNT_AUTOMOUNTED, 0 }
61 #define MOPT_UNTRUSTED		{ "untrusted",  0, MNT_UNTRUSTED, 0 }
62 
63 /* Control flags. */
64 #define MOPT_FORCE		{ "force",	0, MNT_FORCE, 0 }
65 #define MOPT_UPDATE		{ "update",	0, MNT_UPDATE, 0 }
66 #define MOPT_RO			{ "ro",		0, MNT_RDONLY, 0 }
67 #define MOPT_RW			{ "rw",		1, MNT_RDONLY, 0 }
68 #define	MOPT_NOCOVER		{ "cover",	1, MNT_NOCOVER, 0 }
69 #define	MOPT_EMPTYDIR		{ "emptydir",	0, MNT_EMPTYDIR, 0 }
70 /* This is parsed by mount(8), but is ignored by specific mount_*(8)s. */
71 #define MOPT_AUTO		{ "auto",	0, 0, 0 }
72 
73 /* A handy macro as terminator of MNT_ array. */
74 #define MOPT_END		{ NULL,		0, 0, 0 }
75 
76 #define MOPT_FSTAB_COMPAT						\
77 	MOPT_RO,							\
78 	MOPT_RW,							\
79 	MOPT_AUTO
80 
81 /* Standard options which all mounts can understand. */
82 #define MOPT_STDOPTS							\
83 	MOPT_USERQUOTA,							\
84 	MOPT_GROUPQUOTA,						\
85 	MOPT_FSTAB_COMPAT,						\
86 	MOPT_NOATIME,							\
87 	MOPT_NOEXEC,							\
88 	MOPT_SUIDDIR,		/* must be before MOPT_NOSUID */	\
89 	MOPT_NOSUID,							\
90 	MOPT_NOSYMFOLLOW,						\
91 	MOPT_RDONLY,							\
92 	MOPT_UNION,							\
93 	MOPT_NOCLUSTERR,						\
94 	MOPT_NOCLUSTERW,						\
95 	MOPT_MULTILABEL,						\
96 	MOPT_ACLS,							\
97 	MOPT_NFS4ACLS,							\
98 	MOPT_AUTOMOUNTED,						\
99 	MOPT_UNTRUSTED,							\
100 	MOPT_NOCOVER,							\
101 	MOPT_EMPTYDIR
102 
103 void getmntopts(const char *, const struct mntopt *, int *, int *);
104 void rmslashes(char *, char *);
105 int checkpath(const char *, char resolved_path[]);
106 extern int getmnt_silent;
107 void build_iovec(struct iovec **iov, int *iovlen, const char *name, void *val, size_t len);
108 void build_iovec_argf(struct iovec **iov, int *iovlen, const char *name, const char *fmt, ...);
109 void free_iovec(struct iovec **iovec, int *iovlen);
110