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Diffstat (limited to 'lib/libutil/mntopts.h')
| -rw-r--r-- | lib/libutil/mntopts.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/lib/libutil/mntopts.h b/lib/libutil/mntopts.h new file mode 100644 index 000000000000..0027b8ca7155 --- /dev/null +++ b/lib/libutil/mntopts.h @@ -0,0 +1,114 @@ +/*- + * 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_ */ |