/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 1994
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef _MNTOPTS_H_
#define _MNTOPTS_H_

struct mntopt {
        const char *m_option;   /* option name */
        int m_inverse;          /* if a negative option, e.g. "atime" */
        long long m_flag;       /* bit to set, e.g. MNT_RDONLY */
        int m_altloc;           /* 1 => set bit in altflags */
};

/* User-visible MNT_ flags. */
#define MOPT_ASYNC              { "async",      0, MNT_ASYNC, 0 }
#define MOPT_NOATIME            { "atime",      1, MNT_NOATIME, 0 }
#define MOPT_NOEXEC             { "exec",       1, MNT_NOEXEC, 0 }
#define MOPT_NOSUID             { "suid",       1, MNT_NOSUID, 0 }
#define MOPT_NOSYMFOLLOW        { "symfollow",  1, MNT_NOSYMFOLLOW, 0 }
#define MOPT_RDONLY             { "rdonly",     0, MNT_RDONLY, 0 }
#define MOPT_SYNC               { "sync",       0, MNT_SYNCHRONOUS, 0 }
#define MOPT_UNION              { "union",      0, MNT_UNION, 0 }
#define MOPT_USERQUOTA          { "userquota",  0, 0, 0 }
#define MOPT_GROUPQUOTA         { "groupquota", 0, 0, 0 }
#define MOPT_NOCLUSTERR         { "clusterr",   1, MNT_NOCLUSTERR, 0 }
#define MOPT_NOCLUSTERW         { "clusterw",   1, MNT_NOCLUSTERW, 0 }
#define MOPT_SUIDDIR            { "suiddir",    0, MNT_SUIDDIR, 0 }
#define MOPT_SNAPSHOT           { "snapshot",   0, MNT_SNAPSHOT, 0 }
#define MOPT_MULTILABEL         { "multilabel", 0, MNT_MULTILABEL, 0 }
#define MOPT_ACLS               { "acls",       0, MNT_ACLS, 0 }
#define MOPT_NFS4ACLS           { "nfsv4acls",  0, MNT_NFS4ACLS, 0 }
#define MOPT_AUTOMOUNTED        { "automounted",0, MNT_AUTOMOUNTED, 0 }
#define MOPT_UNTRUSTED          { "untrusted",  0, MNT_UNTRUSTED, 0 }

/* Control flags. */
#define MOPT_FORCE              { "force",      0, MNT_FORCE, 0 }
#define MOPT_UPDATE             { "update",     0, MNT_UPDATE, 0 }
#define MOPT_RO                 { "ro",         0, MNT_RDONLY, 0 }
#define MOPT_RW                 { "rw",         1, MNT_RDONLY, 0 }
#define MOPT_NOCOVER            { "cover",      1, MNT_NOCOVER, 0 }
#define MOPT_EMPTYDIR           { "emptydir",   0, MNT_EMPTYDIR, 0 }
/* This is parsed by mount(8), but is ignored by specific mount_*(8)s. */
#define MOPT_AUTO               { "auto",       0, 0, 0 }

/* A handy macro as terminator of MNT_ array. */
#define MOPT_END                { NULL,         0, 0, 0 }

#define MOPT_FSTAB_COMPAT                                               \
        MOPT_RO,                                                        \
        MOPT_RW,                                                        \
        MOPT_AUTO

/* Standard options which all mounts can understand. */
#define MOPT_STDOPTS                                                    \
        MOPT_USERQUOTA,                                                 \
        MOPT_GROUPQUOTA,                                                \
        MOPT_FSTAB_COMPAT,                                              \
        MOPT_NOATIME,                                                   \
        MOPT_NOEXEC,                                                    \
        MOPT_SUIDDIR,           /* must be before MOPT_NOSUID */        \
        MOPT_NOSUID,                                                    \
        MOPT_NOSYMFOLLOW,                                               \
        MOPT_RDONLY,                                                    \
        MOPT_UNION,                                                     \
        MOPT_NOCLUSTERR,                                                \
        MOPT_NOCLUSTERW,                                                \
        MOPT_MULTILABEL,                                                \
        MOPT_ACLS,                                                      \
        MOPT_NFS4ACLS,                                                  \
        MOPT_AUTOMOUNTED,                                               \
        MOPT_UNTRUSTED,                                                 \
        MOPT_NOCOVER,                                                   \
        MOPT_EMPTYDIR

void getmntopts(const char *, const struct mntopt *, int *, int *);
void rmslashes(char *, char *);
int checkpath(const char *, char resolved_path[]);
int checkpath_allow_file(const char *, char resolved_path[]);
struct statfs *getmntpoint(const char *);
int chkdoreload(struct statfs *, void (*)(const char *, ...) __printflike(1,2));
extern int getmnt_silent;
void build_iovec(struct iovec **iov, int *iovlen, const char *name, void *val, size_t len);
void build_iovec_argf(struct iovec **iov, int *iovlen, const char *name, const char *fmt, ...);
void free_iovec(struct iovec **iovec, int *iovlen);

#endif /* !_MNTOPTS_H_ */