HardenedBSD/sbin/mount/mntopts.h
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110 lines
4.6 KiB
C

/*-
* 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.
*/
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);