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/*
* Copyright (c) 2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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.
*/
/*
* This file implements Solaris compatible zmount() function.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/mount.h>
#include <sys/uio.h>
#include <sys/mntent.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mnttab.h>
#include <sys/errno.h>
#include <libzfs.h>
#include "../../libzfs_impl.h"
static void
build_iovec(struct iovec **iov, int *iovlen, const char *name, void *val,
size_t len)
{
int i;
if (*iovlen < 0)
return;
i = *iovlen;
*iov = realloc(*iov, sizeof (**iov) * (i + 2));
if (*iov == NULL) {
*iovlen = -1;
return;
}
(*iov)[i].iov_base = strdup(name);
(*iov)[i].iov_len = strlen(name) + 1;
i++;
(*iov)[i].iov_base = val;
if (len == (size_t)-1) {
if (val != NULL)
len = strlen(val) + 1;
else
len = 0;
}
(*iov)[i].iov_len = (int)len;
*iovlen = ++i;
}
int
do_mount(zfs_handle_t *zhp, const char *mntpt, const char *opts, int flags)
{
struct iovec *iov;
char *optstr, *p, *tofree;
int iovlen, rv;
const char *spec = zfs_get_name(zhp);
assert(spec != NULL);
assert(mntpt != NULL);
assert(opts != NULL);
tofree = optstr = strdup(opts);
assert(optstr != NULL);
iov = NULL;
iovlen = 0;
if (strstr(optstr, MNTOPT_REMOUNT) != NULL)
build_iovec(&iov, &iovlen, "update", NULL, 0);
if (flags & MS_RDONLY)
build_iovec(&iov, &iovlen, "ro", NULL, 0);
build_iovec(&iov, &iovlen, "fstype", __DECONST(char *, MNTTYPE_ZFS),
(size_t)-1);
build_iovec(&iov, &iovlen, "fspath", __DECONST(char *, mntpt),
(size_t)-1);
build_iovec(&iov, &iovlen, "from", __DECONST(char *, spec), (size_t)-1);
while ((p = strsep(&optstr, ",/")) != NULL)
build_iovec(&iov, &iovlen, p, NULL, (size_t)-1);
rv = nmount(iov, iovlen, 0);
free(tofree);
if (rv < 0)
return (errno);
return (rv);
}
int
do_unmount(zfs_handle_t *zhp, const char *mntpt, int flags)
{
(void) zhp;
if (unmount(mntpt, flags) < 0)
return (errno);
return (0);
}
int
zfs_mount_delegation_check(void)
{
return (0);
}
/* Called from the tail end of zpool_disable_datasets() */
void
zpool_disable_datasets_os(zpool_handle_t *zhp, boolean_t force)
{
(void) zhp, (void) force;
}
/* Called from the tail end of zfs_unmount() */
void
zpool_disable_volume_os(const char *name)
{
(void) name;
}
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