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
32#ifndef _MNTOPTS_H_
33#define _MNTOPTS_H_
34
35struct 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
103void getmntopts(const char *, const struct mntopt *, int *, int *);
104void rmslashes(char *, char *);
105int checkpath(const char *, char resolved_path[]);
106int checkpath_allow_file(const char *, char resolved_path[]);
107struct statfs *getmntpoint(const char *);
108int chkdoreload(struct statfs *, void (*)(const char *, ...) __printflike(1,2));
109extern int getmnt_silent;
110void build_iovec(struct iovec **iov, int *iovlen, const char *name, void *val, size_t len);
111void build_iovec_argf(struct iovec **iov, int *iovlen, const char *name, const char *fmt, ...);
112void free_iovec(struct iovec **iovec, int *iovlen);
113
114#endif /* !_MNTOPTS_H_ */