1 /*        $NetBSD: mntopts.h,v 1.20 2021/09/18 03:05:20 christos Exp $          */
2 
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  */
33 #ifndef _MNTOPTS_H_
34 #define _MNTOPTS_H_
35 
36 #include <sys/cdefs.h>
37 
38 struct mntopt {
39           const char *m_option;         /* option name */
40           int m_inverse;                /* if a negative option, eg "dev" */
41           int m_flag;                   /* bit to set, eg. MNT_RDONLY */
42           int m_altloc;                 /* 1 => set bit in altflags */
43 };
44 
45 /* User-visible MNT_ flags. */
46 #define MOPT_ACLS             { "acls", 0, MNT_ACLS, 0 }
47 #define MOPT_NFS4ACLS                   { "nfs4acls",       0, MNT_NFS4ACLS, 0 }
48 #define MOPT_POSIX1EACLS      { "posix1eacls",0, MNT_POSIX1EACLS, 0 }
49 #define MOPT_ASYNC            { "async",          0, MNT_ASYNC, 0 }
50 #define MOPT_NOCOREDUMP                 { "coredump",       1, MNT_NOCOREDUMP, 0 }
51 #define MOPT_NODEV            { "dev",  1, MNT_NODEV, 0 }
52 #define MOPT_NODEVMTIME                 { "devmtime",       1, MNT_NODEVMTIME, 0 }
53 #define MOPT_NOEXEC           { "exec", 1, MNT_NOEXEC, 0 }
54 #define MOPT_NOSUID           { "suid", 1, MNT_NOSUID, 0 }
55 #define MOPT_RDONLY           { "rdonly",         0, MNT_RDONLY, 0 }
56 #define MOPT_SYNC             { "sync", 0, MNT_SYNCHRONOUS, 0 }
57 #define MOPT_UNION            { "union",          0, MNT_UNION, 0 }
58 #define MOPT_USERQUOTA                  { "userquota",      0, 0, 0 }
59 #define MOPT_GROUPQUOTA                 { "groupquota",     0, 0, 0 }
60 #define MOPT_NOATIME                    { "atime",          1, MNT_NOATIME, 0 }
61 #define MOPT_RELATIME                   { "relatime",       0, MNT_RELATIME, 0 }
62 #define MOPT_SYMPERM                    { "symperm",        0, MNT_SYMPERM, 0 }
63 #define MOPT_SOFTDEP                    { "softdep",        0, MNT_SOFTDEP, 0 }
64 #define MOPT_LOG              { "log",  0, MNT_LOG, 0 }
65 #define MOPT_IGNORE           { "hidden",         0, MNT_IGNORE, 0 }
66 #define MOPT_EXTATTR                    { "extattr",        0, MNT_EXTATTR, 0 }
67 #define MOPT_DISCARD                    { "discard",        0, MNT_DISCARD, 0 }
68 #define MOPT_AUTOMOUNTED      { "automounted",0, MNT_AUTOMOUNTED, 0 }
69 
70 /* Control flags. */
71 #define MOPT_FORCE            { "force",          0, MNT_FORCE, 0 }
72 #define MOPT_UPDATE           { "update",         0, MNT_UPDATE, 0 }
73 #define MOPT_RELOAD           { "reload",         0, MNT_RELOAD, 0 }
74 #define MOPT_GETARGS                    { "getargs",        0, MNT_GETARGS,     0 }
75 
76 /* Support for old-style "ro", "rw" flags. */
77 #define MOPT_RO                         { "ro",             0, MNT_RDONLY, 0 }
78 #define MOPT_RW                         { "rw",             1, MNT_RDONLY, 0 }
79 
80 /* This is parsed by mount(8), but is ignored by specific mount_*(8)s. */
81 #define MOPT_AUTO             { "auto", 0, 0, 0 }
82 #define MOPT_RUMP             { "rump", 0, 0, 0 }
83 #define MOPT_NULL             { NULL,             0, 0, 0 }
84 
85 #define MOPT_FSTAB_COMPAT                                                       \
86           MOPT_RO,                                                              \
87           MOPT_RW,                                                              \
88           MOPT_AUTO
89 
90 /* Standard options which all mounts can understand. */
91 #define MOPT_STDOPTS                                                                      \
92           MOPT_USERQUOTA,                                                                 \
93           MOPT_GROUPQUOTA,                                                      \
94           MOPT_FSTAB_COMPAT,                                                    \
95           MOPT_NOCOREDUMP,                                                      \
96           MOPT_NODEV,                                                                     \
97           MOPT_NOEXEC,                                                                    \
98           MOPT_NOSUID,                                                                    \
99           MOPT_RDONLY,                                                                    \
100           MOPT_UNION,                                                                     \
101           MOPT_IGNORE,                                                                    \
102           MOPT_SYMPERM,                                                                   \
103           MOPT_RUMP,                                                                      \
104           MOPT_AUTOMOUNTED
105 
106 __BEGIN_DECLS
107 typedef struct mntoptparse *mntoptparse_t;
108 mntoptparse_t getmntopts(const char *, const struct mntopt *, int *, int *);
109 const char *getmntoptstr(mntoptparse_t, const char *);
110 long getmntoptnum(mntoptparse_t, const char *);
111 void freemntopts(mntoptparse_t);
112 
113 extern int getmnt_silent;
114 __END_DECLS
115 
116 #endif /* _MNTOPTS_H_ */
117