2008-11-20 20:01:55 +00:00
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#include <assert.h>
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#include <ctype.h>
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#include <errno.h>
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#include <libdevinfo.h>
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#include <libintl.h>
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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#include <unistd.h>
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#include <stddef.h>
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#include <zone.h>
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#include <fcntl.h>
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#include <sys/mntent.h>
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#include <sys/mount.h>
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#include <sys/avl.h>
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#include <priv.h>
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#include <pwd.h>
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#include <grp.h>
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#include <stddef.h>
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#include <ucred.h>
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#include <sys/spa.h>
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#include <sys/zap.h>
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#include <libzfs.h>
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#include "zfs_namecheck.h"
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#include "zfs_prop.h"
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#include "libzfs_impl.h"
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#include "zfs_deleg.h"
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static int zvol_create_link_common(libzfs_handle_t *, const char *, int);
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/*
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* Given a single type (not a mask of types), return the type in a human
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* readable form.
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*/
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const char *
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zfs_type_to_name(zfs_type_t type)
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{
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switch (type) {
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case ZFS_TYPE_FILESYSTEM:
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return (dgettext(TEXT_DOMAIN, "filesystem"));
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case ZFS_TYPE_SNAPSHOT:
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return (dgettext(TEXT_DOMAIN, "snapshot"));
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case ZFS_TYPE_VOLUME:
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return (dgettext(TEXT_DOMAIN, "volume"));
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2008-11-20 22:04:07 +00:00
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default:
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break;
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2008-11-20 20:01:55 +00:00
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}
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return (NULL);
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}
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/*
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* Given a path and mask of ZFS types, return a string describing this dataset.
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* This is used when we fail to open a dataset and we cannot get an exact type.
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* We guess what the type would have been based on the path and the mask of
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* acceptable types.
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*/
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static const char *
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path_to_str(const char *path, int types)
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{
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/*
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* When given a single type, always report the exact type.
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*/
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if (types == ZFS_TYPE_SNAPSHOT)
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return (dgettext(TEXT_DOMAIN, "snapshot"));
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if (types == ZFS_TYPE_FILESYSTEM)
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return (dgettext(TEXT_DOMAIN, "filesystem"));
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if (types == ZFS_TYPE_VOLUME)
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return (dgettext(TEXT_DOMAIN, "volume"));
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/*
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* The user is requesting more than one type of dataset. If this is the
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* case, consult the path itself. If we're looking for a snapshot, and
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* a '@' is found, then report it as "snapshot". Otherwise, remove the
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* snapshot attribute and try again.
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*/
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if (types & ZFS_TYPE_SNAPSHOT) {
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if (strchr(path, '@') != NULL)
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return (dgettext(TEXT_DOMAIN, "snapshot"));
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return (path_to_str(path, types & ~ZFS_TYPE_SNAPSHOT));
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}
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/*
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* The user has requested either filesystems or volumes.
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* We have no way of knowing a priori what type this would be, so always
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* report it as "filesystem" or "volume", our two primitive types.
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*/
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if (types & ZFS_TYPE_FILESYSTEM)
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return (dgettext(TEXT_DOMAIN, "filesystem"));
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assert(types & ZFS_TYPE_VOLUME);
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return (dgettext(TEXT_DOMAIN, "volume"));
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}
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/*
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* Validate a ZFS path. This is used even before trying to open the dataset, to
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* provide a more meaningful error message. We place a more useful message in
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* 'buf' detailing exactly why the name was not valid.
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*/
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static int
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zfs_validate_name(libzfs_handle_t *hdl, const char *path, int type,
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boolean_t modifying)
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{
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namecheck_err_t why;
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char what;
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if (dataset_namecheck(path, &why, &what) != 0) {
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if (hdl != NULL) {
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switch (why) {
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case NAME_ERR_TOOLONG:
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"name is too long"));
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break;
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case NAME_ERR_LEADING_SLASH:
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"leading slash in name"));
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break;
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case NAME_ERR_EMPTY_COMPONENT:
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"empty component in name"));
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break;
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case NAME_ERR_TRAILING_SLASH:
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"trailing slash in name"));
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break;
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case NAME_ERR_INVALCHAR:
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zfs_error_aux(hdl,
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dgettext(TEXT_DOMAIN, "invalid character "
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"'%c' in name"), what);
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break;
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case NAME_ERR_MULTIPLE_AT:
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"multiple '@' delimiters in name"));
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break;
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case NAME_ERR_NOLETTER:
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"pool doesn't begin with a letter"));
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break;
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case NAME_ERR_RESERVED:
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"name is reserved"));
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break;
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case NAME_ERR_DISKLIKE:
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"reserved disk name"));
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break;
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2008-11-20 22:04:07 +00:00
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default:
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break;
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2008-11-20 20:01:55 +00:00
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}
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}
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return (0);
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}
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if (!(type & ZFS_TYPE_SNAPSHOT) && strchr(path, '@') != NULL) {
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if (hdl != NULL)
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"snapshot delimiter '@' in filesystem name"));
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return (0);
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}
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if (type == ZFS_TYPE_SNAPSHOT && strchr(path, '@') == NULL) {
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if (hdl != NULL)
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"missing '@' delimiter in snapshot name"));
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return (0);
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}
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if (modifying && strchr(path, '%') != NULL) {
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if (hdl != NULL)
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"invalid character %c in name"), '%');
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return (0);
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}
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return (-1);
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}
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int
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zfs_name_valid(const char *name, zfs_type_t type)
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{
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if (type == ZFS_TYPE_POOL)
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return (zpool_name_valid(NULL, B_FALSE, name));
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return (zfs_validate_name(NULL, name, type, B_FALSE));
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}
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/*
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* This function takes the raw DSL properties, and filters out the user-defined
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* properties into a separate nvlist.
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*/
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static nvlist_t *
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process_user_props(zfs_handle_t *zhp, nvlist_t *props)
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{
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libzfs_handle_t *hdl = zhp->zfs_hdl;
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nvpair_t *elem;
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nvlist_t *propval;
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nvlist_t *nvl;
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if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) {
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(void) no_memory(hdl);
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return (NULL);
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}
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elem = NULL;
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while ((elem = nvlist_next_nvpair(props, elem)) != NULL) {
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if (!zfs_prop_user(nvpair_name(elem)))
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continue;
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verify(nvpair_value_nvlist(elem, &propval) == 0);
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if (nvlist_add_nvlist(nvl, nvpair_name(elem), propval) != 0) {
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nvlist_free(nvl);
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(void) no_memory(hdl);
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return (NULL);
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}
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}
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return (nvl);
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}
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2008-12-03 20:09:06 +00:00
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static zpool_handle_t *
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zpool_add_handle(zfs_handle_t *zhp, const char *pool_name)
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{
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libzfs_handle_t *hdl = zhp->zfs_hdl;
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zpool_handle_t *zph;
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if ((zph = zpool_open_canfail(hdl, pool_name)) != NULL) {
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if (hdl->libzfs_pool_handles != NULL)
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zph->zpool_next = hdl->libzfs_pool_handles;
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hdl->libzfs_pool_handles = zph;
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}
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return (zph);
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}
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static zpool_handle_t *
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zpool_find_handle(zfs_handle_t *zhp, const char *pool_name, int len)
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{
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libzfs_handle_t *hdl = zhp->zfs_hdl;
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zpool_handle_t *zph = hdl->libzfs_pool_handles;
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while ((zph != NULL) &&
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(strncmp(pool_name, zpool_get_name(zph), len) != 0))
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zph = zph->zpool_next;
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return (zph);
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}
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/*
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* Returns a handle to the pool that contains the provided dataset.
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* If a handle to that pool already exists then that handle is returned.
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* Otherwise, a new handle is created and added to the list of handles.
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*/
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static zpool_handle_t *
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zpool_handle(zfs_handle_t *zhp)
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{
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char *pool_name;
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int len;
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zpool_handle_t *zph;
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len = strcspn(zhp->zfs_name, "/@") + 1;
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pool_name = zfs_alloc(zhp->zfs_hdl, len);
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(void) strlcpy(pool_name, zhp->zfs_name, len);
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zph = zpool_find_handle(zhp, pool_name, len);
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if (zph == NULL)
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zph = zpool_add_handle(zhp, pool_name);
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free(pool_name);
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return (zph);
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}
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void
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zpool_free_handles(libzfs_handle_t *hdl)
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{
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zpool_handle_t *next, *zph = hdl->libzfs_pool_handles;
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while (zph != NULL) {
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next = zph->zpool_next;
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zpool_close(zph);
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zph = next;
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}
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hdl->libzfs_pool_handles = NULL;
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}
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2008-11-20 20:01:55 +00:00
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/*
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* Utility function to gather stats (objset and zpl) for the given object.
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*/
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static int
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2009-01-15 21:59:39 +00:00
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get_stats_ioctl(zfs_handle_t *zhp, zfs_cmd_t *zc)
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2008-11-20 20:01:55 +00:00
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{
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libzfs_handle_t *hdl = zhp->zfs_hdl;
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2009-01-15 21:59:39 +00:00
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(void) strlcpy(zc->zc_name, zhp->zfs_name, sizeof (zc->zc_name));
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2008-11-20 20:01:55 +00:00
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2009-01-15 21:59:39 +00:00
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while (ioctl(hdl->libzfs_fd, ZFS_IOC_OBJSET_STATS, zc) != 0) {
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2008-11-20 20:01:55 +00:00
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if (errno == ENOMEM) {
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2009-01-15 21:59:39 +00:00
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if (zcmd_expand_dst_nvlist(hdl, zc) != 0) {
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2008-11-20 20:01:55 +00:00
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return (-1);
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}
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} else {
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return (-1);
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}
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}
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2009-01-15 21:59:39 +00:00
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return (0);
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}
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2008-11-20 20:01:55 +00:00
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2009-01-15 21:59:39 +00:00
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static int
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put_stats_zhdl(zfs_handle_t *zhp, zfs_cmd_t *zc)
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{
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nvlist_t *allprops, *userprops;
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2008-11-20 20:01:55 +00:00
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2009-01-15 21:59:39 +00:00
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zhp->zfs_dmustats = zc->zc_objset_stats; /* structure assignment */
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if (zcmd_read_dst_nvlist(zhp->zfs_hdl, zc, &allprops) != 0) {
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2008-11-20 20:01:55 +00:00
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return (-1);
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}
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if ((userprops = process_user_props(zhp, allprops)) == NULL) {
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nvlist_free(allprops);
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return (-1);
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}
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nvlist_free(zhp->zfs_props);
|
|
|
|
nvlist_free(zhp->zfs_user_props);
|
|
|
|
|
|
|
|
zhp->zfs_props = allprops;
|
|
|
|
zhp->zfs_user_props = userprops;
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
2009-01-15 21:59:39 +00:00
|
|
|
static int
|
|
|
|
get_stats(zfs_handle_t *zhp)
|
|
|
|
{
|
|
|
|
int rc = 0;
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2009-01-15 21:59:39 +00:00
|
|
|
|
|
|
|
if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0)
|
|
|
|
return (-1);
|
|
|
|
if (get_stats_ioctl(zhp, &zc) != 0)
|
|
|
|
rc = -1;
|
|
|
|
else if (put_stats_zhdl(zhp, &zc) != 0)
|
|
|
|
rc = -1;
|
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
return (rc);
|
|
|
|
}
|
|
|
|
|
2008-11-20 20:01:55 +00:00
|
|
|
/*
|
|
|
|
* Refresh the properties currently stored in the handle.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
zfs_refresh_properties(zfs_handle_t *zhp)
|
|
|
|
{
|
|
|
|
(void) get_stats(zhp);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Makes a handle from the given dataset name. Used by zfs_open() and
|
|
|
|
* zfs_iter_* to create child handles on the fly.
|
|
|
|
*/
|
2009-01-15 21:59:39 +00:00
|
|
|
static int
|
|
|
|
make_dataset_handle_common(zfs_handle_t *zhp, zfs_cmd_t *zc)
|
2008-11-20 20:01:55 +00:00
|
|
|
{
|
|
|
|
char *logstr;
|
2009-01-15 21:59:39 +00:00
|
|
|
libzfs_handle_t *hdl = zhp->zfs_hdl;
|
2008-11-20 20:01:55 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Preserve history log string.
|
|
|
|
* any changes performed here will be
|
|
|
|
* logged as an internal event.
|
|
|
|
*/
|
|
|
|
logstr = zhp->zfs_hdl->libzfs_log_str;
|
|
|
|
zhp->zfs_hdl->libzfs_log_str = NULL;
|
|
|
|
|
2009-01-15 21:59:39 +00:00
|
|
|
top:
|
|
|
|
if (put_stats_zhdl(zhp, zc) != 0) {
|
2008-11-20 20:01:55 +00:00
|
|
|
zhp->zfs_hdl->libzfs_log_str = logstr;
|
2009-01-15 21:59:39 +00:00
|
|
|
return (-1);
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
|
|
|
|
2009-01-15 21:59:39 +00:00
|
|
|
|
2008-11-20 20:01:55 +00:00
|
|
|
if (zhp->zfs_dmustats.dds_inconsistent) {
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc2 = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* If it is dds_inconsistent, then we've caught it in
|
|
|
|
* the middle of a 'zfs receive' or 'zfs destroy', and
|
|
|
|
* it is inconsistent from the ZPL's point of view, so
|
|
|
|
* can't be mounted. However, it could also be that we
|
|
|
|
* have crashed in the middle of one of those
|
|
|
|
* operations, in which case we need to get rid of the
|
|
|
|
* inconsistent state. We do that by either rolling
|
|
|
|
* back to the previous snapshot (which will fail if
|
|
|
|
* there is none), or destroying the filesystem. Note
|
|
|
|
* that if we are still in the middle of an active
|
|
|
|
* 'receive' or 'destroy', then the rollback and destroy
|
|
|
|
* will fail with EBUSY and we will drive on as usual.
|
|
|
|
*/
|
|
|
|
|
2009-01-15 21:59:39 +00:00
|
|
|
(void) strlcpy(zc2.zc_name, zhp->zfs_name,
|
|
|
|
sizeof (zc2.zc_name));
|
2008-11-20 20:01:55 +00:00
|
|
|
|
|
|
|
if (zhp->zfs_dmustats.dds_type == DMU_OST_ZVOL) {
|
|
|
|
(void) zvol_remove_link(hdl, zhp->zfs_name);
|
2009-01-15 21:59:39 +00:00
|
|
|
zc2.zc_objset_type = DMU_OST_ZVOL;
|
2008-11-20 20:01:55 +00:00
|
|
|
} else {
|
2009-01-15 21:59:39 +00:00
|
|
|
zc2.zc_objset_type = DMU_OST_ZFS;
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If we can successfully destroy it, pretend that it
|
|
|
|
* never existed.
|
|
|
|
*/
|
2009-01-15 21:59:39 +00:00
|
|
|
if (ioctl(hdl->libzfs_fd, ZFS_IOC_DESTROY, &zc2) == 0) {
|
2008-11-20 20:01:55 +00:00
|
|
|
zhp->zfs_hdl->libzfs_log_str = logstr;
|
|
|
|
errno = ENOENT;
|
2009-01-15 21:59:39 +00:00
|
|
|
return (-1);
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
2009-01-15 21:59:39 +00:00
|
|
|
/* If we can successfully roll it back, reset the stats */
|
|
|
|
if (ioctl(hdl->libzfs_fd, ZFS_IOC_ROLLBACK, &zc2) == 0) {
|
|
|
|
if (get_stats_ioctl(zhp, zc) != 0) {
|
|
|
|
zhp->zfs_hdl->libzfs_log_str = logstr;
|
|
|
|
return (-1);
|
|
|
|
}
|
2008-11-20 20:01:55 +00:00
|
|
|
goto top;
|
2009-01-15 21:59:39 +00:00
|
|
|
}
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* We've managed to open the dataset and gather statistics. Determine
|
|
|
|
* the high-level type.
|
|
|
|
*/
|
|
|
|
if (zhp->zfs_dmustats.dds_type == DMU_OST_ZVOL)
|
|
|
|
zhp->zfs_head_type = ZFS_TYPE_VOLUME;
|
|
|
|
else if (zhp->zfs_dmustats.dds_type == DMU_OST_ZFS)
|
|
|
|
zhp->zfs_head_type = ZFS_TYPE_FILESYSTEM;
|
|
|
|
else
|
|
|
|
abort();
|
|
|
|
|
|
|
|
if (zhp->zfs_dmustats.dds_is_snapshot)
|
|
|
|
zhp->zfs_type = ZFS_TYPE_SNAPSHOT;
|
|
|
|
else if (zhp->zfs_dmustats.dds_type == DMU_OST_ZVOL)
|
|
|
|
zhp->zfs_type = ZFS_TYPE_VOLUME;
|
|
|
|
else if (zhp->zfs_dmustats.dds_type == DMU_OST_ZFS)
|
|
|
|
zhp->zfs_type = ZFS_TYPE_FILESYSTEM;
|
|
|
|
else
|
|
|
|
abort(); /* we should never see any other types */
|
|
|
|
|
|
|
|
zhp->zfs_hdl->libzfs_log_str = logstr;
|
2008-12-03 20:09:06 +00:00
|
|
|
zhp->zpool_hdl = zpool_handle(zhp);
|
2009-01-15 21:59:39 +00:00
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
zfs_handle_t *
|
|
|
|
make_dataset_handle(libzfs_handle_t *hdl, const char *path)
|
|
|
|
{
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2009-01-15 21:59:39 +00:00
|
|
|
|
|
|
|
zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1);
|
|
|
|
|
|
|
|
if (zhp == NULL)
|
|
|
|
return (NULL);
|
|
|
|
|
|
|
|
zhp->zfs_hdl = hdl;
|
|
|
|
(void) strlcpy(zhp->zfs_name, path, sizeof (zhp->zfs_name));
|
|
|
|
if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) {
|
|
|
|
free(zhp);
|
|
|
|
return (NULL);
|
|
|
|
}
|
|
|
|
if (get_stats_ioctl(zhp, &zc) == -1) {
|
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
free(zhp);
|
|
|
|
return (NULL);
|
|
|
|
}
|
|
|
|
if (make_dataset_handle_common(zhp, &zc) == -1) {
|
|
|
|
free(zhp);
|
|
|
|
zhp = NULL;
|
|
|
|
}
|
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
return (zhp);
|
|
|
|
}
|
|
|
|
|
|
|
|
static zfs_handle_t *
|
|
|
|
make_dataset_handle_zc(libzfs_handle_t *hdl, zfs_cmd_t *zc)
|
|
|
|
{
|
|
|
|
zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1);
|
|
|
|
|
|
|
|
if (zhp == NULL)
|
|
|
|
return (NULL);
|
|
|
|
|
|
|
|
zhp->zfs_hdl = hdl;
|
|
|
|
(void) strlcpy(zhp->zfs_name, zc->zc_name, sizeof (zhp->zfs_name));
|
|
|
|
if (make_dataset_handle_common(zhp, zc) == -1) {
|
|
|
|
free(zhp);
|
|
|
|
return (NULL);
|
|
|
|
}
|
2008-11-20 20:01:55 +00:00
|
|
|
return (zhp);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Opens the given snapshot, filesystem, or volume. The 'types'
|
|
|
|
* argument is a mask of acceptable types. The function will print an
|
|
|
|
* appropriate error message and return NULL if it can't be opened.
|
|
|
|
*/
|
|
|
|
zfs_handle_t *
|
|
|
|
zfs_open(libzfs_handle_t *hdl, const char *path, int types)
|
|
|
|
{
|
|
|
|
zfs_handle_t *zhp;
|
|
|
|
char errbuf[1024];
|
|
|
|
|
|
|
|
(void) snprintf(errbuf, sizeof (errbuf),
|
|
|
|
dgettext(TEXT_DOMAIN, "cannot open '%s'"), path);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Validate the name before we even try to open it.
|
|
|
|
*/
|
|
|
|
if (!zfs_validate_name(hdl, path, ZFS_TYPE_DATASET, B_FALSE)) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"invalid dataset name"));
|
|
|
|
(void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf);
|
|
|
|
return (NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Try to get stats for the dataset, which will tell us if it exists.
|
|
|
|
*/
|
|
|
|
errno = 0;
|
|
|
|
if ((zhp = make_dataset_handle(hdl, path)) == NULL) {
|
|
|
|
(void) zfs_standard_error(hdl, errno, errbuf);
|
|
|
|
return (NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!(types & zhp->zfs_type)) {
|
|
|
|
(void) zfs_error(hdl, EZFS_BADTYPE, errbuf);
|
|
|
|
zfs_close(zhp);
|
|
|
|
return (NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
return (zhp);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Release a ZFS handle. Nothing to do but free the associated memory.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
zfs_close(zfs_handle_t *zhp)
|
|
|
|
{
|
|
|
|
if (zhp->zfs_mntopts)
|
|
|
|
free(zhp->zfs_mntopts);
|
|
|
|
nvlist_free(zhp->zfs_props);
|
|
|
|
nvlist_free(zhp->zfs_user_props);
|
|
|
|
free(zhp);
|
|
|
|
}
|
|
|
|
|
2009-01-15 21:59:39 +00:00
|
|
|
typedef struct mnttab_node {
|
|
|
|
struct mnttab mtn_mt;
|
|
|
|
avl_node_t mtn_node;
|
|
|
|
} mnttab_node_t;
|
|
|
|
|
|
|
|
static int
|
|
|
|
libzfs_mnttab_cache_compare(const void *arg1, const void *arg2)
|
|
|
|
{
|
|
|
|
const mnttab_node_t *mtn1 = arg1;
|
|
|
|
const mnttab_node_t *mtn2 = arg2;
|
|
|
|
int rv;
|
|
|
|
|
|
|
|
rv = strcmp(mtn1->mtn_mt.mnt_special, mtn2->mtn_mt.mnt_special);
|
|
|
|
|
|
|
|
if (rv == 0)
|
|
|
|
return (0);
|
|
|
|
return (rv > 0 ? 1 : -1);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
libzfs_mnttab_init(libzfs_handle_t *hdl)
|
|
|
|
{
|
|
|
|
struct mnttab entry;
|
|
|
|
|
|
|
|
assert(avl_numnodes(&hdl->libzfs_mnttab_cache) == 0);
|
|
|
|
avl_create(&hdl->libzfs_mnttab_cache, libzfs_mnttab_cache_compare,
|
|
|
|
sizeof (mnttab_node_t), offsetof(mnttab_node_t, mtn_node));
|
|
|
|
|
|
|
|
rewind(hdl->libzfs_mnttab);
|
|
|
|
while (getmntent(hdl->libzfs_mnttab, &entry) == 0) {
|
|
|
|
mnttab_node_t *mtn;
|
|
|
|
|
|
|
|
if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0)
|
|
|
|
continue;
|
|
|
|
mtn = zfs_alloc(hdl, sizeof (mnttab_node_t));
|
|
|
|
mtn->mtn_mt.mnt_special = zfs_strdup(hdl, entry.mnt_special);
|
|
|
|
mtn->mtn_mt.mnt_mountp = zfs_strdup(hdl, entry.mnt_mountp);
|
|
|
|
mtn->mtn_mt.mnt_fstype = zfs_strdup(hdl, entry.mnt_fstype);
|
|
|
|
mtn->mtn_mt.mnt_mntopts = zfs_strdup(hdl, entry.mnt_mntopts);
|
|
|
|
avl_add(&hdl->libzfs_mnttab_cache, mtn);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
libzfs_mnttab_fini(libzfs_handle_t *hdl)
|
|
|
|
{
|
|
|
|
void *cookie = NULL;
|
|
|
|
mnttab_node_t *mtn;
|
|
|
|
|
2009-03-11 20:57:47 +00:00
|
|
|
while ((mtn = avl_destroy_nodes(&hdl->libzfs_mnttab_cache, &cookie))) {
|
2009-01-15 21:59:39 +00:00
|
|
|
free(mtn->mtn_mt.mnt_special);
|
|
|
|
free(mtn->mtn_mt.mnt_mountp);
|
|
|
|
free(mtn->mtn_mt.mnt_fstype);
|
|
|
|
free(mtn->mtn_mt.mnt_mntopts);
|
|
|
|
free(mtn);
|
|
|
|
}
|
|
|
|
avl_destroy(&hdl->libzfs_mnttab_cache);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
libzfs_mnttab_find(libzfs_handle_t *hdl, const char *fsname,
|
|
|
|
struct mnttab *entry)
|
|
|
|
{
|
|
|
|
mnttab_node_t find;
|
|
|
|
mnttab_node_t *mtn;
|
|
|
|
|
|
|
|
if (avl_numnodes(&hdl->libzfs_mnttab_cache) == 0)
|
|
|
|
libzfs_mnttab_init(hdl);
|
|
|
|
|
|
|
|
find.mtn_mt.mnt_special = (char *)fsname;
|
|
|
|
mtn = avl_find(&hdl->libzfs_mnttab_cache, &find, NULL);
|
|
|
|
if (mtn) {
|
|
|
|
*entry = mtn->mtn_mt;
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
return (ENOENT);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
libzfs_mnttab_add(libzfs_handle_t *hdl, const char *special,
|
|
|
|
const char *mountp, const char *mntopts)
|
|
|
|
{
|
|
|
|
mnttab_node_t *mtn;
|
|
|
|
|
|
|
|
if (avl_numnodes(&hdl->libzfs_mnttab_cache) == 0)
|
|
|
|
return;
|
|
|
|
mtn = zfs_alloc(hdl, sizeof (mnttab_node_t));
|
|
|
|
mtn->mtn_mt.mnt_special = zfs_strdup(hdl, special);
|
|
|
|
mtn->mtn_mt.mnt_mountp = zfs_strdup(hdl, mountp);
|
|
|
|
mtn->mtn_mt.mnt_fstype = zfs_strdup(hdl, MNTTYPE_ZFS);
|
|
|
|
mtn->mtn_mt.mnt_mntopts = zfs_strdup(hdl, mntopts);
|
|
|
|
avl_add(&hdl->libzfs_mnttab_cache, mtn);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
libzfs_mnttab_remove(libzfs_handle_t *hdl, const char *fsname)
|
|
|
|
{
|
|
|
|
mnttab_node_t find;
|
|
|
|
mnttab_node_t *ret;
|
|
|
|
|
|
|
|
find.mtn_mt.mnt_special = (char *)fsname;
|
2009-03-11 20:57:47 +00:00
|
|
|
if ((ret = avl_find(&hdl->libzfs_mnttab_cache, (void *)&find, NULL))) {
|
2009-01-15 21:59:39 +00:00
|
|
|
avl_remove(&hdl->libzfs_mnttab_cache, ret);
|
|
|
|
free(ret->mtn_mt.mnt_special);
|
|
|
|
free(ret->mtn_mt.mnt_mountp);
|
|
|
|
free(ret->mtn_mt.mnt_fstype);
|
|
|
|
free(ret->mtn_mt.mnt_mntopts);
|
|
|
|
free(ret);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-11-20 20:01:55 +00:00
|
|
|
int
|
2008-12-16 21:19:01 +00:00
|
|
|
zfs_spa_version(zfs_handle_t *zhp, int *version)
|
2008-11-20 20:01:55 +00:00
|
|
|
{
|
2008-12-16 21:28:23 +00:00
|
|
|
zpool_handle_t *handle = zhp->zpool_hdl;
|
2008-11-20 20:01:55 +00:00
|
|
|
|
2008-12-16 21:28:23 +00:00
|
|
|
if (handle == NULL)
|
2008-11-20 20:01:55 +00:00
|
|
|
return (-1);
|
|
|
|
|
2008-12-16 21:28:23 +00:00
|
|
|
*version = zpool_get_prop_int(handle, ZPOOL_PROP_VERSION, NULL);
|
2008-11-20 20:01:55 +00:00
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* The choice of reservation property depends on the SPA version.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
zfs_which_resv_prop(zfs_handle_t *zhp, zfs_prop_t *resv_prop)
|
|
|
|
{
|
2008-12-16 21:19:01 +00:00
|
|
|
int version;
|
2008-11-20 20:01:55 +00:00
|
|
|
|
2008-12-16 21:19:01 +00:00
|
|
|
if (zfs_spa_version(zhp, &version) < 0)
|
2008-11-20 20:01:55 +00:00
|
|
|
return (-1);
|
|
|
|
|
2008-12-16 21:19:01 +00:00
|
|
|
if (version >= SPA_VERSION_REFRESERVATION)
|
2008-11-20 20:01:55 +00:00
|
|
|
*resv_prop = ZFS_PROP_REFRESERVATION;
|
|
|
|
else
|
|
|
|
*resv_prop = ZFS_PROP_RESERVATION;
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Given an nvlist of properties to set, validates that they are correct, and
|
|
|
|
* parses any numeric properties (index, boolean, etc) if they are specified as
|
|
|
|
* strings.
|
|
|
|
*/
|
2008-12-03 20:09:06 +00:00
|
|
|
nvlist_t *
|
|
|
|
zfs_valid_proplist(libzfs_handle_t *hdl, zfs_type_t type, nvlist_t *nvl,
|
2008-11-20 20:01:55 +00:00
|
|
|
uint64_t zoned, zfs_handle_t *zhp, const char *errbuf)
|
|
|
|
{
|
|
|
|
nvpair_t *elem;
|
|
|
|
uint64_t intval;
|
|
|
|
char *strval;
|
|
|
|
zfs_prop_t prop;
|
|
|
|
nvlist_t *ret;
|
|
|
|
int chosen_normal = -1;
|
|
|
|
int chosen_utf = -1;
|
|
|
|
|
|
|
|
if (nvlist_alloc(&ret, NV_UNIQUE_NAME, 0) != 0) {
|
|
|
|
(void) no_memory(hdl);
|
|
|
|
return (NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
elem = NULL;
|
|
|
|
while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) {
|
|
|
|
const char *propname = nvpair_name(elem);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure this property is valid and applies to this type.
|
|
|
|
*/
|
|
|
|
if ((prop = zfs_name_to_prop(propname)) == ZPROP_INVAL) {
|
|
|
|
if (!zfs_prop_user(propname)) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"invalid property '%s'"), propname);
|
|
|
|
(void) zfs_error(hdl, EZFS_BADPROP, errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If this is a user property, make sure it's a
|
|
|
|
* string, and that it's less than ZAP_MAXNAMELEN.
|
|
|
|
*/
|
|
|
|
if (nvpair_type(elem) != DATA_TYPE_STRING) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"'%s' must be a string"), propname);
|
|
|
|
(void) zfs_error(hdl, EZFS_BADPROP, errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (strlen(nvpair_name(elem)) >= ZAP_MAXNAMELEN) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"property name '%s' is too long"),
|
|
|
|
propname);
|
|
|
|
(void) zfs_error(hdl, EZFS_BADPROP, errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
(void) nvpair_value_string(elem, &strval);
|
|
|
|
if (nvlist_add_string(ret, propname, strval) != 0) {
|
|
|
|
(void) no_memory(hdl);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
2008-12-03 20:09:06 +00:00
|
|
|
if (type == ZFS_TYPE_SNAPSHOT) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"this property can not be modified for snapshots"));
|
|
|
|
(void) zfs_error(hdl, EZFS_PROPTYPE, errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
2008-11-20 20:01:55 +00:00
|
|
|
if (!zfs_prop_valid_for_type(prop, type)) {
|
|
|
|
zfs_error_aux(hdl,
|
|
|
|
dgettext(TEXT_DOMAIN, "'%s' does not "
|
|
|
|
"apply to datasets of this type"), propname);
|
|
|
|
(void) zfs_error(hdl, EZFS_PROPTYPE, errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (zfs_prop_readonly(prop) &&
|
|
|
|
(!zfs_prop_setonce(prop) || zhp != NULL)) {
|
|
|
|
zfs_error_aux(hdl,
|
|
|
|
dgettext(TEXT_DOMAIN, "'%s' is readonly"),
|
|
|
|
propname);
|
|
|
|
(void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (zprop_parse_value(hdl, elem, prop, type, ret,
|
|
|
|
&strval, &intval, errbuf) != 0)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Perform some additional checks for specific properties.
|
|
|
|
*/
|
|
|
|
switch (prop) {
|
|
|
|
case ZFS_PROP_VERSION:
|
|
|
|
{
|
|
|
|
int version;
|
|
|
|
|
|
|
|
if (zhp == NULL)
|
|
|
|
break;
|
|
|
|
version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
|
|
|
|
if (intval < version) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"Can not downgrade; already at version %u"),
|
|
|
|
version);
|
|
|
|
(void) zfs_error(hdl, EZFS_BADPROP, errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
case ZFS_PROP_RECORDSIZE:
|
|
|
|
case ZFS_PROP_VOLBLOCKSIZE:
|
|
|
|
/* must be power of two within SPA_{MIN,MAX}BLOCKSIZE */
|
|
|
|
if (intval < SPA_MINBLOCKSIZE ||
|
|
|
|
intval > SPA_MAXBLOCKSIZE || !ISP2(intval)) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"'%s' must be power of 2 from %u "
|
|
|
|
"to %uk"), propname,
|
|
|
|
(uint_t)SPA_MINBLOCKSIZE,
|
|
|
|
(uint_t)SPA_MAXBLOCKSIZE >> 10);
|
|
|
|
(void) zfs_error(hdl, EZFS_BADPROP, errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_SHAREISCSI:
|
|
|
|
if (strcmp(strval, "off") != 0 &&
|
|
|
|
strcmp(strval, "on") != 0 &&
|
|
|
|
strcmp(strval, "type=disk") != 0) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"'%s' must be 'on', 'off', or 'type=disk'"),
|
|
|
|
propname);
|
|
|
|
(void) zfs_error(hdl, EZFS_BADPROP, errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_MOUNTPOINT:
|
|
|
|
{
|
|
|
|
namecheck_err_t why;
|
|
|
|
|
|
|
|
if (strcmp(strval, ZFS_MOUNTPOINT_NONE) == 0 ||
|
|
|
|
strcmp(strval, ZFS_MOUNTPOINT_LEGACY) == 0)
|
|
|
|
break;
|
|
|
|
|
|
|
|
if (mountpoint_namecheck(strval, &why)) {
|
|
|
|
switch (why) {
|
|
|
|
case NAME_ERR_LEADING_SLASH:
|
|
|
|
zfs_error_aux(hdl,
|
|
|
|
dgettext(TEXT_DOMAIN,
|
|
|
|
"'%s' must be an absolute path, "
|
|
|
|
"'none', or 'legacy'"), propname);
|
|
|
|
break;
|
|
|
|
case NAME_ERR_TOOLONG:
|
|
|
|
zfs_error_aux(hdl,
|
|
|
|
dgettext(TEXT_DOMAIN,
|
|
|
|
"component of '%s' is too long"),
|
|
|
|
propname);
|
|
|
|
break;
|
2008-11-20 22:04:07 +00:00
|
|
|
default:
|
|
|
|
break;
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
|
|
|
(void) zfs_error(hdl, EZFS_BADPROP, errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*FALLTHRU*/
|
|
|
|
|
|
|
|
case ZFS_PROP_SHARESMB:
|
|
|
|
case ZFS_PROP_SHARENFS:
|
|
|
|
/*
|
|
|
|
* For the mountpoint and sharenfs or sharesmb
|
|
|
|
* properties, check if it can be set in a
|
|
|
|
* global/non-global zone based on
|
|
|
|
* the zoned property value:
|
|
|
|
*
|
|
|
|
* global zone non-global zone
|
|
|
|
* --------------------------------------------------
|
|
|
|
* zoned=on mountpoint (no) mountpoint (yes)
|
|
|
|
* sharenfs (no) sharenfs (no)
|
|
|
|
* sharesmb (no) sharesmb (no)
|
|
|
|
*
|
|
|
|
* zoned=off mountpoint (yes) N/A
|
|
|
|
* sharenfs (yes)
|
|
|
|
* sharesmb (yes)
|
|
|
|
*/
|
|
|
|
if (zoned) {
|
|
|
|
if (getzoneid() == GLOBAL_ZONEID) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"'%s' cannot be set on "
|
|
|
|
"dataset in a non-global zone"),
|
|
|
|
propname);
|
|
|
|
(void) zfs_error(hdl, EZFS_ZONED,
|
|
|
|
errbuf);
|
|
|
|
goto error;
|
|
|
|
} else if (prop == ZFS_PROP_SHARENFS ||
|
|
|
|
prop == ZFS_PROP_SHARESMB) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"'%s' cannot be set in "
|
|
|
|
"a non-global zone"), propname);
|
|
|
|
(void) zfs_error(hdl, EZFS_ZONED,
|
|
|
|
errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
} else if (getzoneid() != GLOBAL_ZONEID) {
|
|
|
|
/*
|
|
|
|
* If zoned property is 'off', this must be in
|
|
|
|
* a globle zone. If not, something is wrong.
|
|
|
|
*/
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"'%s' cannot be set while dataset "
|
|
|
|
"'zoned' property is set"), propname);
|
|
|
|
(void) zfs_error(hdl, EZFS_ZONED, errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* At this point, it is legitimate to set the
|
|
|
|
* property. Now we want to make sure that the
|
|
|
|
* property value is valid if it is sharenfs.
|
|
|
|
*/
|
|
|
|
if ((prop == ZFS_PROP_SHARENFS ||
|
|
|
|
prop == ZFS_PROP_SHARESMB) &&
|
|
|
|
strcmp(strval, "on") != 0 &&
|
|
|
|
strcmp(strval, "off") != 0) {
|
|
|
|
zfs_share_proto_t proto;
|
|
|
|
|
|
|
|
if (prop == ZFS_PROP_SHARESMB)
|
|
|
|
proto = PROTO_SMB;
|
|
|
|
else
|
|
|
|
proto = PROTO_NFS;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Must be an valid sharing protocol
|
|
|
|
* option string so init the libshare
|
|
|
|
* in order to enable the parser and
|
|
|
|
* then parse the options. We use the
|
|
|
|
* control API since we don't care about
|
|
|
|
* the current configuration and don't
|
|
|
|
* want the overhead of loading it
|
|
|
|
* until we actually do something.
|
|
|
|
*/
|
|
|
|
|
|
|
|
if (zfs_init_libshare(hdl,
|
|
|
|
SA_INIT_CONTROL_API) != SA_OK) {
|
|
|
|
/*
|
|
|
|
* An error occurred so we can't do
|
|
|
|
* anything
|
|
|
|
*/
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"'%s' cannot be set: problem "
|
|
|
|
"in share initialization"),
|
|
|
|
propname);
|
|
|
|
(void) zfs_error(hdl, EZFS_BADPROP,
|
|
|
|
errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (zfs_parse_options(strval, proto) != SA_OK) {
|
|
|
|
/*
|
|
|
|
* There was an error in parsing so
|
|
|
|
* deal with it by issuing an error
|
|
|
|
* message and leaving after
|
|
|
|
* uninitializing the the libshare
|
|
|
|
* interface.
|
|
|
|
*/
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"'%s' cannot be set to invalid "
|
|
|
|
"options"), propname);
|
|
|
|
(void) zfs_error(hdl, EZFS_BADPROP,
|
|
|
|
errbuf);
|
|
|
|
zfs_uninit_libshare(hdl);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
zfs_uninit_libshare(hdl);
|
|
|
|
}
|
|
|
|
|
|
|
|
break;
|
|
|
|
case ZFS_PROP_UTF8ONLY:
|
|
|
|
chosen_utf = (int)intval;
|
|
|
|
break;
|
|
|
|
case ZFS_PROP_NORMALIZE:
|
|
|
|
chosen_normal = (int)intval;
|
|
|
|
break;
|
2008-11-20 22:04:07 +00:00
|
|
|
default:
|
|
|
|
break;
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* For changes to existing volumes, we have some additional
|
|
|
|
* checks to enforce.
|
|
|
|
*/
|
|
|
|
if (type == ZFS_TYPE_VOLUME && zhp != NULL) {
|
|
|
|
uint64_t volsize = zfs_prop_get_int(zhp,
|
|
|
|
ZFS_PROP_VOLSIZE);
|
|
|
|
uint64_t blocksize = zfs_prop_get_int(zhp,
|
|
|
|
ZFS_PROP_VOLBLOCKSIZE);
|
|
|
|
char buf[64];
|
|
|
|
|
|
|
|
switch (prop) {
|
|
|
|
case ZFS_PROP_RESERVATION:
|
|
|
|
case ZFS_PROP_REFRESERVATION:
|
|
|
|
if (intval > volsize) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"'%s' is greater than current "
|
|
|
|
"volume size"), propname);
|
|
|
|
(void) zfs_error(hdl, EZFS_BADPROP,
|
|
|
|
errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_VOLSIZE:
|
|
|
|
if (intval % blocksize != 0) {
|
|
|
|
zfs_nicenum(blocksize, buf,
|
|
|
|
sizeof (buf));
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"'%s' must be a multiple of "
|
|
|
|
"volume block size (%s)"),
|
|
|
|
propname, buf);
|
|
|
|
(void) zfs_error(hdl, EZFS_BADPROP,
|
|
|
|
errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (intval == 0) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"'%s' cannot be zero"),
|
|
|
|
propname);
|
|
|
|
(void) zfs_error(hdl, EZFS_BADPROP,
|
|
|
|
errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
break;
|
2008-11-20 22:04:07 +00:00
|
|
|
default:
|
|
|
|
break;
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If normalization was chosen, but no UTF8 choice was made,
|
|
|
|
* enforce rejection of non-UTF8 names.
|
|
|
|
*
|
|
|
|
* If normalization was chosen, but rejecting non-UTF8 names
|
|
|
|
* was explicitly not chosen, it is an error.
|
|
|
|
*/
|
|
|
|
if (chosen_normal > 0 && chosen_utf < 0) {
|
|
|
|
if (nvlist_add_uint64(ret,
|
|
|
|
zfs_prop_to_name(ZFS_PROP_UTF8ONLY), 1) != 0) {
|
|
|
|
(void) no_memory(hdl);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
} else if (chosen_normal > 0 && chosen_utf == 0) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"'%s' must be set 'on' if normalization chosen"),
|
|
|
|
zfs_prop_to_name(ZFS_PROP_UTF8ONLY));
|
|
|
|
(void) zfs_error(hdl, EZFS_BADPROP, errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If this is an existing volume, and someone is setting the volsize,
|
|
|
|
* make sure that it matches the reservation, or add it if necessary.
|
|
|
|
*/
|
|
|
|
if (zhp != NULL && type == ZFS_TYPE_VOLUME &&
|
|
|
|
nvlist_lookup_uint64(ret, zfs_prop_to_name(ZFS_PROP_VOLSIZE),
|
|
|
|
&intval) == 0) {
|
|
|
|
uint64_t old_volsize = zfs_prop_get_int(zhp,
|
|
|
|
ZFS_PROP_VOLSIZE);
|
|
|
|
uint64_t old_reservation;
|
|
|
|
uint64_t new_reservation;
|
|
|
|
zfs_prop_t resv_prop;
|
|
|
|
|
|
|
|
if (zfs_which_resv_prop(zhp, &resv_prop) < 0)
|
|
|
|
goto error;
|
|
|
|
old_reservation = zfs_prop_get_int(zhp, resv_prop);
|
|
|
|
|
|
|
|
if (old_volsize == old_reservation &&
|
|
|
|
nvlist_lookup_uint64(ret, zfs_prop_to_name(resv_prop),
|
|
|
|
&new_reservation) != 0) {
|
|
|
|
if (nvlist_add_uint64(ret,
|
|
|
|
zfs_prop_to_name(resv_prop), intval) != 0) {
|
|
|
|
(void) no_memory(hdl);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return (ret);
|
|
|
|
|
|
|
|
error:
|
|
|
|
nvlist_free(ret);
|
|
|
|
return (NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
zfs_get_perm_who(const char *who, zfs_deleg_who_type_t *who_type,
|
|
|
|
uint64_t *ret_who)
|
|
|
|
{
|
|
|
|
struct passwd *pwd;
|
|
|
|
struct group *grp;
|
|
|
|
uid_t id;
|
|
|
|
|
|
|
|
if (*who_type == ZFS_DELEG_EVERYONE || *who_type == ZFS_DELEG_CREATE ||
|
|
|
|
*who_type == ZFS_DELEG_NAMED_SET) {
|
|
|
|
*ret_who = -1;
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
if (who == NULL && !(*who_type == ZFS_DELEG_EVERYONE))
|
|
|
|
return (EZFS_BADWHO);
|
|
|
|
|
|
|
|
if (*who_type == ZFS_DELEG_WHO_UNKNOWN &&
|
|
|
|
strcmp(who, "everyone") == 0) {
|
|
|
|
*ret_who = -1;
|
|
|
|
*who_type = ZFS_DELEG_EVERYONE;
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
pwd = getpwnam(who);
|
|
|
|
grp = getgrnam(who);
|
|
|
|
|
|
|
|
if ((*who_type == ZFS_DELEG_USER) && pwd) {
|
|
|
|
*ret_who = pwd->pw_uid;
|
|
|
|
} else if ((*who_type == ZFS_DELEG_GROUP) && grp) {
|
|
|
|
*ret_who = grp->gr_gid;
|
|
|
|
} else if (pwd) {
|
|
|
|
*ret_who = pwd->pw_uid;
|
|
|
|
*who_type = ZFS_DELEG_USER;
|
|
|
|
} else if (grp) {
|
|
|
|
*ret_who = grp->gr_gid;
|
|
|
|
*who_type = ZFS_DELEG_GROUP;
|
|
|
|
} else {
|
|
|
|
char *end;
|
|
|
|
|
|
|
|
id = strtol(who, &end, 10);
|
|
|
|
if (errno != 0 || *end != '\0') {
|
|
|
|
return (EZFS_BADWHO);
|
|
|
|
} else {
|
|
|
|
*ret_who = id;
|
|
|
|
if (*who_type == ZFS_DELEG_WHO_UNKNOWN)
|
|
|
|
*who_type = ZFS_DELEG_USER;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
zfs_perms_add_to_nvlist(nvlist_t *who_nvp, char *name, nvlist_t *perms_nvp)
|
|
|
|
{
|
|
|
|
if (perms_nvp != NULL) {
|
|
|
|
verify(nvlist_add_nvlist(who_nvp,
|
|
|
|
name, perms_nvp) == 0);
|
|
|
|
} else {
|
|
|
|
verify(nvlist_add_boolean(who_nvp, name) == 0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
helper(zfs_deleg_who_type_t who_type, uint64_t whoid, char *whostr,
|
|
|
|
zfs_deleg_inherit_t inherit, nvlist_t *who_nvp, nvlist_t *perms_nvp,
|
|
|
|
nvlist_t *sets_nvp)
|
|
|
|
{
|
|
|
|
boolean_t do_perms, do_sets;
|
|
|
|
char name[ZFS_MAX_DELEG_NAME];
|
|
|
|
|
|
|
|
do_perms = (nvlist_next_nvpair(perms_nvp, NULL) != NULL);
|
|
|
|
do_sets = (nvlist_next_nvpair(sets_nvp, NULL) != NULL);
|
|
|
|
|
|
|
|
if (!do_perms && !do_sets)
|
|
|
|
do_perms = do_sets = B_TRUE;
|
|
|
|
|
|
|
|
if (do_perms) {
|
|
|
|
zfs_deleg_whokey(name, who_type, inherit,
|
|
|
|
(who_type == ZFS_DELEG_NAMED_SET) ?
|
|
|
|
whostr : (void *)&whoid);
|
|
|
|
zfs_perms_add_to_nvlist(who_nvp, name, perms_nvp);
|
|
|
|
}
|
|
|
|
if (do_sets) {
|
|
|
|
zfs_deleg_whokey(name, toupper(who_type), inherit,
|
|
|
|
(who_type == ZFS_DELEG_NAMED_SET) ?
|
|
|
|
whostr : (void *)&whoid);
|
|
|
|
zfs_perms_add_to_nvlist(who_nvp, name, sets_nvp);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
zfs_perms_add_who_nvlist(nvlist_t *who_nvp, uint64_t whoid, void *whostr,
|
|
|
|
nvlist_t *perms_nvp, nvlist_t *sets_nvp,
|
|
|
|
zfs_deleg_who_type_t who_type, zfs_deleg_inherit_t inherit)
|
|
|
|
{
|
|
|
|
if (who_type == ZFS_DELEG_NAMED_SET || who_type == ZFS_DELEG_CREATE) {
|
|
|
|
helper(who_type, whoid, whostr, 0,
|
|
|
|
who_nvp, perms_nvp, sets_nvp);
|
|
|
|
} else {
|
|
|
|
if (inherit & ZFS_DELEG_PERM_LOCAL) {
|
|
|
|
helper(who_type, whoid, whostr, ZFS_DELEG_LOCAL,
|
|
|
|
who_nvp, perms_nvp, sets_nvp);
|
|
|
|
}
|
|
|
|
if (inherit & ZFS_DELEG_PERM_DESCENDENT) {
|
|
|
|
helper(who_type, whoid, whostr, ZFS_DELEG_DESCENDENT,
|
|
|
|
who_nvp, perms_nvp, sets_nvp);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Construct nvlist to pass down to kernel for setting/removing permissions.
|
|
|
|
*
|
|
|
|
* The nvlist is constructed as a series of nvpairs with an optional embedded
|
|
|
|
* nvlist of permissions to remove or set. The topmost nvpairs are the actual
|
|
|
|
* base attribute named stored in the dsl.
|
|
|
|
* Arguments:
|
|
|
|
*
|
|
|
|
* whostr: is a comma separated list of users, groups, or a single set name.
|
|
|
|
* whostr may be null for everyone or create perms.
|
|
|
|
* who_type: is the type of entry in whostr. Typically this will be
|
|
|
|
* ZFS_DELEG_WHO_UNKNOWN.
|
|
|
|
* perms: common separated list of permissions. May be null if user
|
|
|
|
* is requested to remove permissions by who.
|
|
|
|
* inherit: Specifies the inheritance of the permissions. Will be either
|
|
|
|
* ZFS_DELEG_PERM_LOCAL and/or ZFS_DELEG_PERM_DESCENDENT.
|
|
|
|
* nvp The constructed nvlist to pass to zfs_perm_set().
|
|
|
|
* The output nvp will look something like this.
|
|
|
|
* ul$1234 -> {create ; destroy }
|
|
|
|
* Ul$1234 -> { @myset }
|
|
|
|
* s-$@myset - { snapshot; checksum; compression }
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_build_perms(zfs_handle_t *zhp, char *whostr, char *perms,
|
|
|
|
zfs_deleg_who_type_t who_type, zfs_deleg_inherit_t inherit, nvlist_t **nvp)
|
|
|
|
{
|
|
|
|
nvlist_t *who_nvp;
|
|
|
|
nvlist_t *perms_nvp = NULL;
|
|
|
|
nvlist_t *sets_nvp = NULL;
|
|
|
|
char errbuf[1024];
|
2008-11-20 22:04:00 +00:00
|
|
|
char *who_tok = NULL, *perm;
|
2008-11-20 20:01:55 +00:00
|
|
|
int error;
|
|
|
|
|
|
|
|
*nvp = NULL;
|
|
|
|
|
|
|
|
if (perms) {
|
|
|
|
if ((error = nvlist_alloc(&perms_nvp,
|
|
|
|
NV_UNIQUE_NAME, 0)) != 0) {
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
if ((error = nvlist_alloc(&sets_nvp,
|
|
|
|
NV_UNIQUE_NAME, 0)) != 0) {
|
|
|
|
nvlist_free(perms_nvp);
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((error = nvlist_alloc(&who_nvp, NV_UNIQUE_NAME, 0)) != 0) {
|
|
|
|
if (perms_nvp)
|
|
|
|
nvlist_free(perms_nvp);
|
|
|
|
if (sets_nvp)
|
|
|
|
nvlist_free(sets_nvp);
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (who_type == ZFS_DELEG_NAMED_SET) {
|
|
|
|
namecheck_err_t why;
|
|
|
|
char what;
|
|
|
|
|
|
|
|
if ((error = permset_namecheck(whostr, &why, &what)) != 0) {
|
|
|
|
nvlist_free(who_nvp);
|
|
|
|
if (perms_nvp)
|
|
|
|
nvlist_free(perms_nvp);
|
|
|
|
if (sets_nvp)
|
|
|
|
nvlist_free(sets_nvp);
|
|
|
|
|
|
|
|
switch (why) {
|
|
|
|
case NAME_ERR_NO_AT:
|
|
|
|
zfs_error_aux(zhp->zfs_hdl,
|
|
|
|
dgettext(TEXT_DOMAIN,
|
|
|
|
"set definition must begin with an '@' "
|
|
|
|
"character"));
|
2008-11-20 22:04:07 +00:00
|
|
|
default:
|
|
|
|
break;
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
|
|
|
return (zfs_error(zhp->zfs_hdl,
|
|
|
|
EZFS_BADPERMSET, whostr));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Build up nvlist(s) of permissions. Two nvlists are maintained.
|
|
|
|
* The first nvlist perms_nvp will have normal permissions and the
|
|
|
|
* other sets_nvp will have only permssion set names in it.
|
|
|
|
*/
|
|
|
|
for (perm = strtok(perms, ","); perm; perm = strtok(NULL, ",")) {
|
|
|
|
const char *perm_canonical = zfs_deleg_canonicalize_perm(perm);
|
|
|
|
|
|
|
|
if (perm_canonical) {
|
|
|
|
verify(nvlist_add_boolean(perms_nvp,
|
|
|
|
perm_canonical) == 0);
|
|
|
|
} else if (perm[0] == '@') {
|
|
|
|
verify(nvlist_add_boolean(sets_nvp, perm) == 0);
|
|
|
|
} else {
|
|
|
|
nvlist_free(who_nvp);
|
|
|
|
nvlist_free(perms_nvp);
|
|
|
|
nvlist_free(sets_nvp);
|
|
|
|
return (zfs_error(zhp->zfs_hdl, EZFS_BADPERM, perm));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (whostr && who_type != ZFS_DELEG_CREATE) {
|
|
|
|
who_tok = strtok(whostr, ",");
|
|
|
|
if (who_tok == NULL) {
|
|
|
|
nvlist_free(who_nvp);
|
|
|
|
if (perms_nvp)
|
|
|
|
nvlist_free(perms_nvp);
|
|
|
|
if (sets_nvp)
|
|
|
|
nvlist_free(sets_nvp);
|
|
|
|
(void) snprintf(errbuf, sizeof (errbuf),
|
2008-12-04 22:41:11 +00:00
|
|
|
dgettext(TEXT_DOMAIN, "Who string is NULL: %s"),
|
2008-11-20 20:01:55 +00:00
|
|
|
whostr);
|
|
|
|
return (zfs_error(zhp->zfs_hdl, EZFS_BADWHO, errbuf));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Now create the nvlist(s)
|
|
|
|
*/
|
|
|
|
do {
|
|
|
|
uint64_t who_id;
|
|
|
|
|
|
|
|
error = zfs_get_perm_who(who_tok, &who_type,
|
|
|
|
&who_id);
|
|
|
|
if (error) {
|
|
|
|
nvlist_free(who_nvp);
|
|
|
|
if (perms_nvp)
|
|
|
|
nvlist_free(perms_nvp);
|
|
|
|
if (sets_nvp)
|
|
|
|
nvlist_free(sets_nvp);
|
|
|
|
(void) snprintf(errbuf, sizeof (errbuf),
|
|
|
|
dgettext(TEXT_DOMAIN,
|
|
|
|
"Unable to determine uid/gid for "
|
|
|
|
"%s "), who_tok);
|
|
|
|
return (zfs_error(zhp->zfs_hdl, EZFS_BADWHO, errbuf));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* add entries for both local and descendent when required
|
|
|
|
*/
|
|
|
|
zfs_perms_add_who_nvlist(who_nvp, who_id, who_tok,
|
|
|
|
perms_nvp, sets_nvp, who_type, inherit);
|
|
|
|
|
2008-12-05 17:09:02 +00:00
|
|
|
} while ((who_tok = strtok(NULL, ",")));
|
2008-11-20 20:01:55 +00:00
|
|
|
*nvp = who_nvp;
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
zfs_perm_set_common(zfs_handle_t *zhp, nvlist_t *nvp, boolean_t unset)
|
|
|
|
{
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
int error;
|
|
|
|
char errbuf[1024];
|
|
|
|
|
|
|
|
(void) snprintf(errbuf, sizeof (errbuf),
|
|
|
|
dgettext(TEXT_DOMAIN, "Cannot update 'allows' for '%s'"),
|
|
|
|
zhp->zfs_name);
|
|
|
|
|
|
|
|
if (zcmd_write_src_nvlist(zhp->zfs_hdl, &zc, nvp))
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
|
|
|
|
zc.zc_perm_action = unset;
|
|
|
|
|
|
|
|
error = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_SET_FSACL, &zc);
|
|
|
|
if (error && errno == ENOTSUP) {
|
|
|
|
(void) snprintf(errbuf, sizeof (errbuf),
|
|
|
|
gettext("Pool must be upgraded to use 'allow/unallow'"));
|
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
return (zfs_error(zhp->zfs_hdl, EZFS_BADVERSION, errbuf));
|
|
|
|
} else if (error) {
|
|
|
|
return (zfs_standard_error(zhp->zfs_hdl, errno, errbuf));
|
|
|
|
}
|
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
|
|
|
|
return (error);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
zfs_perm_set(zfs_handle_t *zhp, nvlist_t *nvp)
|
|
|
|
{
|
|
|
|
return (zfs_perm_set_common(zhp, nvp, B_FALSE));
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
zfs_perm_remove(zfs_handle_t *zhp, nvlist_t *perms)
|
|
|
|
{
|
|
|
|
return (zfs_perm_set_common(zhp, perms, B_TRUE));
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
perm_compare(const void *arg1, const void *arg2)
|
|
|
|
{
|
|
|
|
const zfs_perm_node_t *node1 = arg1;
|
|
|
|
const zfs_perm_node_t *node2 = arg2;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
ret = strcmp(node1->z_pname, node2->z_pname);
|
|
|
|
|
|
|
|
if (ret > 0)
|
|
|
|
return (1);
|
|
|
|
if (ret < 0)
|
|
|
|
return (-1);
|
|
|
|
else
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
zfs_destroy_perm_tree(avl_tree_t *tree)
|
|
|
|
{
|
|
|
|
zfs_perm_node_t *permnode;
|
|
|
|
void *cookie = NULL;
|
|
|
|
|
|
|
|
while ((permnode = avl_destroy_nodes(tree, &cookie)) != NULL)
|
|
|
|
free(permnode);
|
|
|
|
avl_destroy(tree);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
zfs_destroy_tree(avl_tree_t *tree)
|
|
|
|
{
|
|
|
|
zfs_allow_node_t *allownode;
|
|
|
|
void *cookie = NULL;
|
|
|
|
|
|
|
|
while ((allownode = avl_destroy_nodes(tree, &cookie)) != NULL) {
|
|
|
|
zfs_destroy_perm_tree(&allownode->z_localdescend);
|
|
|
|
zfs_destroy_perm_tree(&allownode->z_local);
|
|
|
|
zfs_destroy_perm_tree(&allownode->z_descend);
|
|
|
|
free(allownode);
|
|
|
|
}
|
|
|
|
avl_destroy(tree);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
zfs_free_allows(zfs_allow_t *allow)
|
|
|
|
{
|
|
|
|
zfs_allow_t *allownext;
|
|
|
|
zfs_allow_t *freeallow;
|
|
|
|
|
|
|
|
allownext = allow;
|
|
|
|
while (allownext) {
|
|
|
|
zfs_destroy_tree(&allownext->z_sets);
|
|
|
|
zfs_destroy_tree(&allownext->z_crperms);
|
|
|
|
zfs_destroy_tree(&allownext->z_user);
|
|
|
|
zfs_destroy_tree(&allownext->z_group);
|
|
|
|
zfs_destroy_tree(&allownext->z_everyone);
|
|
|
|
freeallow = allownext;
|
|
|
|
allownext = allownext->z_next;
|
|
|
|
free(freeallow);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static zfs_allow_t *
|
|
|
|
zfs_alloc_perm_tree(zfs_handle_t *zhp, zfs_allow_t *prev, char *setpoint)
|
|
|
|
{
|
|
|
|
zfs_allow_t *ptree;
|
|
|
|
|
|
|
|
if ((ptree = zfs_alloc(zhp->zfs_hdl,
|
|
|
|
sizeof (zfs_allow_t))) == NULL) {
|
|
|
|
return (NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
(void) strlcpy(ptree->z_setpoint, setpoint, sizeof (ptree->z_setpoint));
|
|
|
|
avl_create(&ptree->z_sets,
|
|
|
|
perm_compare, sizeof (zfs_allow_node_t),
|
|
|
|
offsetof(zfs_allow_node_t, z_node));
|
|
|
|
avl_create(&ptree->z_crperms,
|
|
|
|
perm_compare, sizeof (zfs_allow_node_t),
|
|
|
|
offsetof(zfs_allow_node_t, z_node));
|
|
|
|
avl_create(&ptree->z_user,
|
|
|
|
perm_compare, sizeof (zfs_allow_node_t),
|
|
|
|
offsetof(zfs_allow_node_t, z_node));
|
|
|
|
avl_create(&ptree->z_group,
|
|
|
|
perm_compare, sizeof (zfs_allow_node_t),
|
|
|
|
offsetof(zfs_allow_node_t, z_node));
|
|
|
|
avl_create(&ptree->z_everyone,
|
|
|
|
perm_compare, sizeof (zfs_allow_node_t),
|
|
|
|
offsetof(zfs_allow_node_t, z_node));
|
|
|
|
|
|
|
|
if (prev)
|
|
|
|
prev->z_next = ptree;
|
|
|
|
ptree->z_next = NULL;
|
|
|
|
return (ptree);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Add permissions to the appropriate AVL permission tree.
|
|
|
|
* The appropriate tree may not be the requested tree.
|
|
|
|
* For example if ld indicates a local permission, but
|
|
|
|
* same permission also exists as a descendent permission
|
|
|
|
* then the permission will be removed from the descendent
|
|
|
|
* tree and add the the local+descendent tree.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
zfs_coalesce_perm(zfs_handle_t *zhp, zfs_allow_node_t *allownode,
|
|
|
|
char *perm, char ld)
|
|
|
|
{
|
|
|
|
zfs_perm_node_t pnode, *permnode, *permnode2;
|
|
|
|
zfs_perm_node_t *newnode;
|
|
|
|
avl_index_t where, where2;
|
|
|
|
avl_tree_t *tree, *altree;
|
|
|
|
|
|
|
|
(void) strlcpy(pnode.z_pname, perm, sizeof (pnode.z_pname));
|
|
|
|
|
|
|
|
if (ld == ZFS_DELEG_NA) {
|
|
|
|
tree = &allownode->z_localdescend;
|
|
|
|
altree = &allownode->z_descend;
|
|
|
|
} else if (ld == ZFS_DELEG_LOCAL) {
|
|
|
|
tree = &allownode->z_local;
|
|
|
|
altree = &allownode->z_descend;
|
|
|
|
} else {
|
|
|
|
tree = &allownode->z_descend;
|
|
|
|
altree = &allownode->z_local;
|
|
|
|
}
|
|
|
|
permnode = avl_find(tree, &pnode, &where);
|
|
|
|
permnode2 = avl_find(altree, &pnode, &where2);
|
|
|
|
|
|
|
|
if (permnode2) {
|
|
|
|
avl_remove(altree, permnode2);
|
|
|
|
free(permnode2);
|
|
|
|
if (permnode == NULL) {
|
|
|
|
tree = &allownode->z_localdescend;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Now insert new permission in either requested location
|
|
|
|
* local/descendent or into ld when perm will exist in both.
|
|
|
|
*/
|
|
|
|
if (permnode == NULL) {
|
|
|
|
if ((newnode = zfs_alloc(zhp->zfs_hdl,
|
|
|
|
sizeof (zfs_perm_node_t))) == NULL) {
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
*newnode = pnode;
|
|
|
|
avl_add(tree, newnode);
|
|
|
|
}
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Uggh, this is going to be a bit complicated.
|
|
|
|
* we have an nvlist coming out of the kernel that
|
|
|
|
* will indicate where the permission is set and then
|
|
|
|
* it will contain allow of the various "who's", and what
|
|
|
|
* their permissions are. To further complicate this
|
|
|
|
* we will then have to coalesce the local,descendent
|
|
|
|
* and local+descendent permissions where appropriate.
|
|
|
|
* The kernel only knows about a permission as being local
|
|
|
|
* or descendent, but not both.
|
|
|
|
*
|
|
|
|
* In order to make this easier for zfs_main to deal with
|
|
|
|
* a series of AVL trees will be used to maintain
|
|
|
|
* all of this, primarily for sorting purposes as well
|
|
|
|
* as the ability to quickly locate a specific entry.
|
|
|
|
*
|
|
|
|
* What we end up with are tree's for sets, create perms,
|
|
|
|
* user, groups and everyone. With each of those trees
|
|
|
|
* we have subtrees for local, descendent and local+descendent
|
|
|
|
* permissions.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_perm_get(zfs_handle_t *zhp, zfs_allow_t **zfs_perms)
|
|
|
|
{
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
int error;
|
|
|
|
nvlist_t *nvlist;
|
|
|
|
nvlist_t *permnv, *sourcenv;
|
|
|
|
nvpair_t *who_pair, *source_pair;
|
|
|
|
nvpair_t *perm_pair;
|
|
|
|
char errbuf[1024];
|
|
|
|
zfs_allow_t *zallowp, *newallowp;
|
|
|
|
char ld;
|
|
|
|
char *nvpname;
|
|
|
|
uid_t uid;
|
|
|
|
gid_t gid;
|
2009-03-12 17:30:41 +00:00
|
|
|
avl_tree_t *tree = NULL;
|
2008-11-20 20:01:55 +00:00
|
|
|
avl_index_t where;
|
|
|
|
|
|
|
|
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
|
|
|
|
|
|
|
|
if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0)
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
while (ioctl(zhp->zfs_hdl->libzfs_fd, ZFS_IOC_GET_FSACL, &zc) != 0) {
|
|
|
|
if (errno == ENOMEM) {
|
|
|
|
if (zcmd_expand_dst_nvlist(zhp->zfs_hdl, &zc) != 0) {
|
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
} else if (errno == ENOTSUP) {
|
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
(void) snprintf(errbuf, sizeof (errbuf),
|
|
|
|
gettext("Pool must be upgraded to use 'allow'"));
|
|
|
|
return (zfs_error(zhp->zfs_hdl,
|
|
|
|
EZFS_BADVERSION, errbuf));
|
|
|
|
} else {
|
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (zcmd_read_dst_nvlist(zhp->zfs_hdl, &zc, &nvlist) != 0) {
|
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
|
|
|
|
source_pair = nvlist_next_nvpair(nvlist, NULL);
|
|
|
|
|
|
|
|
if (source_pair == NULL) {
|
|
|
|
*zfs_perms = NULL;
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
*zfs_perms = zfs_alloc_perm_tree(zhp, NULL, nvpair_name(source_pair));
|
|
|
|
if (*zfs_perms == NULL) {
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
zallowp = *zfs_perms;
|
|
|
|
|
|
|
|
for (;;) {
|
|
|
|
struct passwd *pwd;
|
|
|
|
struct group *grp;
|
|
|
|
zfs_allow_node_t *allownode;
|
|
|
|
zfs_allow_node_t findallownode;
|
|
|
|
zfs_allow_node_t *newallownode;
|
|
|
|
|
|
|
|
(void) strlcpy(zallowp->z_setpoint,
|
|
|
|
nvpair_name(source_pair),
|
|
|
|
sizeof (zallowp->z_setpoint));
|
|
|
|
|
|
|
|
if ((error = nvpair_value_nvlist(source_pair, &sourcenv)) != 0)
|
|
|
|
goto abort;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure nvlist is composed correctly
|
|
|
|
*/
|
|
|
|
if (zfs_deleg_verify_nvlist(sourcenv)) {
|
|
|
|
goto abort;
|
|
|
|
}
|
|
|
|
|
|
|
|
who_pair = nvlist_next_nvpair(sourcenv, NULL);
|
|
|
|
if (who_pair == NULL) {
|
|
|
|
goto abort;
|
|
|
|
}
|
|
|
|
|
|
|
|
do {
|
|
|
|
error = nvpair_value_nvlist(who_pair, &permnv);
|
|
|
|
if (error) {
|
|
|
|
goto abort;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* First build up the key to use
|
|
|
|
* for looking up in the various
|
|
|
|
* who trees.
|
|
|
|
*/
|
|
|
|
ld = nvpair_name(who_pair)[1];
|
|
|
|
nvpname = nvpair_name(who_pair);
|
|
|
|
switch (nvpair_name(who_pair)[0]) {
|
|
|
|
case ZFS_DELEG_USER:
|
|
|
|
case ZFS_DELEG_USER_SETS:
|
|
|
|
tree = &zallowp->z_user;
|
|
|
|
uid = atol(&nvpname[3]);
|
|
|
|
pwd = getpwuid(uid);
|
|
|
|
(void) snprintf(findallownode.z_key,
|
|
|
|
sizeof (findallownode.z_key), "user %s",
|
|
|
|
(pwd) ? pwd->pw_name :
|
|
|
|
&nvpair_name(who_pair)[3]);
|
|
|
|
break;
|
|
|
|
case ZFS_DELEG_GROUP:
|
|
|
|
case ZFS_DELEG_GROUP_SETS:
|
|
|
|
tree = &zallowp->z_group;
|
|
|
|
gid = atol(&nvpname[3]);
|
|
|
|
grp = getgrgid(gid);
|
|
|
|
(void) snprintf(findallownode.z_key,
|
|
|
|
sizeof (findallownode.z_key), "group %s",
|
|
|
|
(grp) ? grp->gr_name :
|
|
|
|
&nvpair_name(who_pair)[3]);
|
|
|
|
break;
|
|
|
|
case ZFS_DELEG_CREATE:
|
|
|
|
case ZFS_DELEG_CREATE_SETS:
|
|
|
|
tree = &zallowp->z_crperms;
|
|
|
|
(void) strlcpy(findallownode.z_key, "",
|
|
|
|
sizeof (findallownode.z_key));
|
|
|
|
break;
|
|
|
|
case ZFS_DELEG_EVERYONE:
|
|
|
|
case ZFS_DELEG_EVERYONE_SETS:
|
|
|
|
(void) snprintf(findallownode.z_key,
|
|
|
|
sizeof (findallownode.z_key), "everyone");
|
|
|
|
tree = &zallowp->z_everyone;
|
|
|
|
break;
|
|
|
|
case ZFS_DELEG_NAMED_SET:
|
|
|
|
case ZFS_DELEG_NAMED_SET_SETS:
|
|
|
|
(void) snprintf(findallownode.z_key,
|
|
|
|
sizeof (findallownode.z_key), "%s",
|
|
|
|
&nvpair_name(who_pair)[3]);
|
|
|
|
tree = &zallowp->z_sets;
|
|
|
|
break;
|
2008-11-20 22:04:07 +00:00
|
|
|
default:
|
|
|
|
break;
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Place who in tree
|
|
|
|
*/
|
|
|
|
allownode = avl_find(tree, &findallownode, &where);
|
|
|
|
if (allownode == NULL) {
|
|
|
|
if ((newallownode = zfs_alloc(zhp->zfs_hdl,
|
|
|
|
sizeof (zfs_allow_node_t))) == NULL) {
|
|
|
|
goto abort;
|
|
|
|
}
|
|
|
|
avl_create(&newallownode->z_localdescend,
|
|
|
|
perm_compare,
|
|
|
|
sizeof (zfs_perm_node_t),
|
|
|
|
offsetof(zfs_perm_node_t, z_node));
|
|
|
|
avl_create(&newallownode->z_local,
|
|
|
|
perm_compare,
|
|
|
|
sizeof (zfs_perm_node_t),
|
|
|
|
offsetof(zfs_perm_node_t, z_node));
|
|
|
|
avl_create(&newallownode->z_descend,
|
|
|
|
perm_compare,
|
|
|
|
sizeof (zfs_perm_node_t),
|
|
|
|
offsetof(zfs_perm_node_t, z_node));
|
|
|
|
(void) strlcpy(newallownode->z_key,
|
|
|
|
findallownode.z_key,
|
|
|
|
sizeof (findallownode.z_key));
|
|
|
|
avl_insert(tree, newallownode, where);
|
|
|
|
allownode = newallownode;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Now iterate over the permissions and
|
|
|
|
* place them in the appropriate local,
|
|
|
|
* descendent or local+descendent tree.
|
|
|
|
*
|
|
|
|
* The permissions are added to the tree
|
|
|
|
* via zfs_coalesce_perm().
|
|
|
|
*/
|
|
|
|
perm_pair = nvlist_next_nvpair(permnv, NULL);
|
|
|
|
if (perm_pair == NULL)
|
|
|
|
goto abort;
|
|
|
|
do {
|
|
|
|
if (zfs_coalesce_perm(zhp, allownode,
|
|
|
|
nvpair_name(perm_pair), ld) != 0)
|
|
|
|
goto abort;
|
2008-12-05 17:09:02 +00:00
|
|
|
} while ((perm_pair = nvlist_next_nvpair(permnv,
|
|
|
|
perm_pair)));
|
|
|
|
} while ((who_pair = nvlist_next_nvpair(sourcenv, who_pair)));
|
2008-11-20 20:01:55 +00:00
|
|
|
|
|
|
|
source_pair = nvlist_next_nvpair(nvlist, source_pair);
|
|
|
|
if (source_pair == NULL)
|
|
|
|
break;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* allocate another node from the link list of
|
|
|
|
* zfs_allow_t structures
|
|
|
|
*/
|
|
|
|
newallowp = zfs_alloc_perm_tree(zhp, zallowp,
|
|
|
|
nvpair_name(source_pair));
|
|
|
|
if (newallowp == NULL) {
|
|
|
|
goto abort;
|
|
|
|
}
|
|
|
|
zallowp = newallowp;
|
|
|
|
}
|
|
|
|
nvlist_free(nvlist);
|
|
|
|
return (0);
|
|
|
|
abort:
|
|
|
|
zfs_free_allows(*zfs_perms);
|
|
|
|
nvlist_free(nvlist);
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
static char *
|
|
|
|
zfs_deleg_perm_note(zfs_deleg_note_t note)
|
|
|
|
{
|
|
|
|
/*
|
|
|
|
* Don't put newlines on end of lines
|
|
|
|
*/
|
|
|
|
switch (note) {
|
|
|
|
case ZFS_DELEG_NOTE_CREATE:
|
|
|
|
return (dgettext(TEXT_DOMAIN,
|
|
|
|
"Must also have the 'mount' ability"));
|
|
|
|
case ZFS_DELEG_NOTE_DESTROY:
|
|
|
|
return (dgettext(TEXT_DOMAIN,
|
|
|
|
"Must also have the 'mount' ability"));
|
|
|
|
case ZFS_DELEG_NOTE_SNAPSHOT:
|
|
|
|
return (dgettext(TEXT_DOMAIN,
|
|
|
|
"Must also have the 'mount' ability"));
|
|
|
|
case ZFS_DELEG_NOTE_ROLLBACK:
|
|
|
|
return (dgettext(TEXT_DOMAIN,
|
|
|
|
"Must also have the 'mount' ability"));
|
|
|
|
case ZFS_DELEG_NOTE_CLONE:
|
|
|
|
return (dgettext(TEXT_DOMAIN, "Must also have the 'create' "
|
|
|
|
"ability and 'mount'\n"
|
|
|
|
"\t\t\t\tability in the origin file system"));
|
|
|
|
case ZFS_DELEG_NOTE_PROMOTE:
|
|
|
|
return (dgettext(TEXT_DOMAIN, "Must also have the 'mount'\n"
|
|
|
|
"\t\t\t\tand 'promote' ability in the origin file system"));
|
|
|
|
case ZFS_DELEG_NOTE_RENAME:
|
|
|
|
return (dgettext(TEXT_DOMAIN, "Must also have the 'mount' "
|
|
|
|
"and 'create' \n\t\t\t\tability in the new parent"));
|
|
|
|
case ZFS_DELEG_NOTE_RECEIVE:
|
|
|
|
return (dgettext(TEXT_DOMAIN, "Must also have the 'mount'"
|
|
|
|
" and 'create' ability"));
|
|
|
|
case ZFS_DELEG_NOTE_USERPROP:
|
|
|
|
return (dgettext(TEXT_DOMAIN,
|
|
|
|
"Allows changing any user property"));
|
|
|
|
case ZFS_DELEG_NOTE_ALLOW:
|
|
|
|
return (dgettext(TEXT_DOMAIN,
|
|
|
|
"Must also have the permission that is being\n"
|
|
|
|
"\t\t\t\tallowed"));
|
|
|
|
case ZFS_DELEG_NOTE_MOUNT:
|
|
|
|
return (dgettext(TEXT_DOMAIN,
|
|
|
|
"Allows mount/umount of ZFS datasets"));
|
|
|
|
case ZFS_DELEG_NOTE_SHARE:
|
|
|
|
return (dgettext(TEXT_DOMAIN,
|
|
|
|
"Allows sharing file systems over NFS or SMB\n"
|
|
|
|
"\t\t\t\tprotocols"));
|
|
|
|
case ZFS_DELEG_NOTE_NONE:
|
|
|
|
default:
|
|
|
|
return (dgettext(TEXT_DOMAIN, ""));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
typedef enum {
|
|
|
|
ZFS_DELEG_SUBCOMMAND,
|
|
|
|
ZFS_DELEG_PROP,
|
|
|
|
ZFS_DELEG_OTHER
|
|
|
|
} zfs_deleg_perm_type_t;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* is the permission a subcommand or other?
|
|
|
|
*/
|
|
|
|
zfs_deleg_perm_type_t
|
|
|
|
zfs_deleg_perm_type(const char *perm)
|
|
|
|
{
|
|
|
|
if (strcmp(perm, "userprop") == 0)
|
|
|
|
return (ZFS_DELEG_OTHER);
|
|
|
|
else
|
|
|
|
return (ZFS_DELEG_SUBCOMMAND);
|
|
|
|
}
|
|
|
|
|
|
|
|
static char *
|
|
|
|
zfs_deleg_perm_type_str(zfs_deleg_perm_type_t type)
|
|
|
|
{
|
|
|
|
switch (type) {
|
|
|
|
case ZFS_DELEG_SUBCOMMAND:
|
|
|
|
return (dgettext(TEXT_DOMAIN, "subcommand"));
|
|
|
|
case ZFS_DELEG_PROP:
|
|
|
|
return (dgettext(TEXT_DOMAIN, "property"));
|
|
|
|
case ZFS_DELEG_OTHER:
|
|
|
|
return (dgettext(TEXT_DOMAIN, "other"));
|
2008-11-20 22:04:07 +00:00
|
|
|
default:
|
|
|
|
break;
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
|
|
|
return ("");
|
|
|
|
}
|
|
|
|
|
|
|
|
/*ARGSUSED*/
|
|
|
|
static int
|
|
|
|
zfs_deleg_prop_cb(int prop, void *cb)
|
|
|
|
{
|
|
|
|
if (zfs_prop_delegatable(prop))
|
|
|
|
(void) fprintf(stderr, "%-15s %-15s\n", zfs_prop_to_name(prop),
|
|
|
|
zfs_deleg_perm_type_str(ZFS_DELEG_PROP));
|
|
|
|
|
|
|
|
return (ZPROP_CONT);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
zfs_deleg_permissions(void)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
(void) fprintf(stderr, "\n%-15s %-15s\t%s\n\n", "NAME",
|
|
|
|
"TYPE", "NOTES");
|
|
|
|
|
|
|
|
/*
|
|
|
|
* First print out the subcommands
|
|
|
|
*/
|
|
|
|
for (i = 0; zfs_deleg_perm_tab[i].z_perm != NULL; i++) {
|
|
|
|
(void) fprintf(stderr, "%-15s %-15s\t%s\n",
|
|
|
|
zfs_deleg_perm_tab[i].z_perm,
|
|
|
|
zfs_deleg_perm_type_str(
|
|
|
|
zfs_deleg_perm_type(zfs_deleg_perm_tab[i].z_perm)),
|
|
|
|
zfs_deleg_perm_note(zfs_deleg_perm_tab[i].z_note));
|
|
|
|
}
|
|
|
|
|
|
|
|
(void) zprop_iter(zfs_deleg_prop_cb, NULL, B_FALSE, B_TRUE,
|
|
|
|
ZFS_TYPE_DATASET|ZFS_TYPE_VOLUME);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Given a property name and value, set the property for the given dataset.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_prop_set(zfs_handle_t *zhp, const char *propname, const char *propval)
|
|
|
|
{
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
int ret = -1;
|
|
|
|
prop_changelist_t *cl = NULL;
|
|
|
|
char errbuf[1024];
|
|
|
|
libzfs_handle_t *hdl = zhp->zfs_hdl;
|
|
|
|
nvlist_t *nvl = NULL, *realprops;
|
|
|
|
zfs_prop_t prop;
|
2008-12-03 20:09:06 +00:00
|
|
|
boolean_t do_prefix;
|
|
|
|
uint64_t idx;
|
2008-11-20 20:01:55 +00:00
|
|
|
|
|
|
|
(void) snprintf(errbuf, sizeof (errbuf),
|
|
|
|
dgettext(TEXT_DOMAIN, "cannot set property for '%s'"),
|
|
|
|
zhp->zfs_name);
|
|
|
|
|
|
|
|
if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0 ||
|
|
|
|
nvlist_add_string(nvl, propname, propval) != 0) {
|
|
|
|
(void) no_memory(hdl);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
2008-12-03 20:09:06 +00:00
|
|
|
if ((realprops = zfs_valid_proplist(hdl, zhp->zfs_type, nvl,
|
2008-11-20 20:01:55 +00:00
|
|
|
zfs_prop_get_int(zhp, ZFS_PROP_ZONED), zhp, errbuf)) == NULL)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
nvlist_free(nvl);
|
|
|
|
nvl = realprops;
|
|
|
|
|
|
|
|
prop = zfs_name_to_prop(propname);
|
|
|
|
|
2008-12-03 20:09:06 +00:00
|
|
|
if ((cl = changelist_gather(zhp, prop, 0, 0)) == NULL)
|
2008-11-20 20:01:55 +00:00
|
|
|
goto error;
|
|
|
|
|
|
|
|
if (prop == ZFS_PROP_MOUNTPOINT && changelist_haszonedchild(cl)) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"child dataset with inherited mountpoint is used "
|
|
|
|
"in a non-global zone"));
|
|
|
|
ret = zfs_error(hdl, EZFS_ZONED, errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
2008-12-03 20:09:06 +00:00
|
|
|
/*
|
|
|
|
* If the dataset's canmount property is being set to noauto,
|
|
|
|
* then we want to prevent unmounting & remounting it.
|
|
|
|
*/
|
|
|
|
do_prefix = !((prop == ZFS_PROP_CANMOUNT) &&
|
|
|
|
(zprop_string_to_index(prop, propval, &idx,
|
|
|
|
ZFS_TYPE_DATASET) == 0) && (idx == ZFS_CANMOUNT_NOAUTO));
|
2008-11-20 20:01:55 +00:00
|
|
|
|
|
|
|
if (do_prefix && (ret = changelist_prefix(cl)) != 0)
|
2008-12-03 20:09:06 +00:00
|
|
|
goto error;
|
2008-11-20 20:01:55 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Execute the corresponding ioctl() to set this property.
|
|
|
|
*/
|
|
|
|
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
|
|
|
|
|
|
|
|
if (zcmd_write_src_nvlist(hdl, &zc, nvl) != 0)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
ret = zfs_ioctl(hdl, ZFS_IOC_SET_PROP, &zc);
|
|
|
|
if (ret != 0) {
|
|
|
|
switch (errno) {
|
|
|
|
|
|
|
|
case ENOSPC:
|
|
|
|
/*
|
|
|
|
* For quotas and reservations, ENOSPC indicates
|
|
|
|
* something different; setting a quota or reservation
|
|
|
|
* doesn't use any disk space.
|
|
|
|
*/
|
|
|
|
switch (prop) {
|
|
|
|
case ZFS_PROP_QUOTA:
|
|
|
|
case ZFS_PROP_REFQUOTA:
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"size is less than current used or "
|
|
|
|
"reserved space"));
|
|
|
|
(void) zfs_error(hdl, EZFS_PROPSPACE, errbuf);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_RESERVATION:
|
|
|
|
case ZFS_PROP_REFRESERVATION:
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"size is greater than available space"));
|
|
|
|
(void) zfs_error(hdl, EZFS_PROPSPACE, errbuf);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
(void) zfs_standard_error(hdl, errno, errbuf);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case EBUSY:
|
|
|
|
if (prop == ZFS_PROP_VOLBLOCKSIZE)
|
|
|
|
(void) zfs_error(hdl, EZFS_VOLHASDATA, errbuf);
|
|
|
|
else
|
|
|
|
(void) zfs_standard_error(hdl, EBUSY, errbuf);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case EROFS:
|
|
|
|
(void) zfs_error(hdl, EZFS_DSREADONLY, errbuf);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ENOTSUP:
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"pool and or dataset must be upgraded to set this "
|
|
|
|
"property or value"));
|
|
|
|
(void) zfs_error(hdl, EZFS_BADVERSION, errbuf);
|
|
|
|
break;
|
|
|
|
|
2008-12-03 20:09:06 +00:00
|
|
|
case ERANGE:
|
|
|
|
if (prop == ZFS_PROP_COMPRESSION) {
|
|
|
|
(void) zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"property setting is not allowed on "
|
|
|
|
"bootable datasets"));
|
|
|
|
(void) zfs_error(hdl, EZFS_NOTSUP, errbuf);
|
|
|
|
} else {
|
|
|
|
(void) zfs_standard_error(hdl, errno, errbuf);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
2008-11-20 20:01:55 +00:00
|
|
|
case EOVERFLOW:
|
|
|
|
/*
|
|
|
|
* This platform can't address a volume this big.
|
|
|
|
*/
|
|
|
|
#ifdef _ILP32
|
|
|
|
if (prop == ZFS_PROP_VOLSIZE) {
|
|
|
|
(void) zfs_error(hdl, EZFS_VOLTOOBIG, errbuf);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
/* FALLTHROUGH */
|
|
|
|
default:
|
|
|
|
(void) zfs_standard_error(hdl, errno, errbuf);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if (do_prefix)
|
|
|
|
ret = changelist_postfix(cl);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Refresh the statistics so the new property value
|
|
|
|
* is reflected.
|
|
|
|
*/
|
|
|
|
if (ret == 0)
|
|
|
|
(void) get_stats(zhp);
|
|
|
|
}
|
|
|
|
|
|
|
|
error:
|
|
|
|
nvlist_free(nvl);
|
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
if (cl)
|
|
|
|
changelist_free(cl);
|
|
|
|
return (ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Given a property, inherit the value from the parent dataset.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_prop_inherit(zfs_handle_t *zhp, const char *propname)
|
|
|
|
{
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
int ret;
|
|
|
|
prop_changelist_t *cl;
|
|
|
|
libzfs_handle_t *hdl = zhp->zfs_hdl;
|
|
|
|
char errbuf[1024];
|
|
|
|
zfs_prop_t prop;
|
|
|
|
|
|
|
|
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
|
|
|
|
"cannot inherit %s for '%s'"), propname, zhp->zfs_name);
|
|
|
|
|
|
|
|
if ((prop = zfs_name_to_prop(propname)) == ZPROP_INVAL) {
|
|
|
|
/*
|
|
|
|
* For user properties, the amount of work we have to do is very
|
|
|
|
* small, so just do it here.
|
|
|
|
*/
|
|
|
|
if (!zfs_prop_user(propname)) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"invalid property"));
|
|
|
|
return (zfs_error(hdl, EZFS_BADPROP, errbuf));
|
|
|
|
}
|
|
|
|
|
|
|
|
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
|
|
|
|
(void) strlcpy(zc.zc_value, propname, sizeof (zc.zc_value));
|
|
|
|
|
|
|
|
if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_INHERIT_PROP, &zc) != 0)
|
|
|
|
return (zfs_standard_error(hdl, errno, errbuf));
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Verify that this property is inheritable.
|
|
|
|
*/
|
|
|
|
if (zfs_prop_readonly(prop))
|
|
|
|
return (zfs_error(hdl, EZFS_PROPREADONLY, errbuf));
|
|
|
|
|
|
|
|
if (!zfs_prop_inheritable(prop))
|
|
|
|
return (zfs_error(hdl, EZFS_PROPNONINHERIT, errbuf));
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Check to see if the value applies to this type
|
|
|
|
*/
|
|
|
|
if (!zfs_prop_valid_for_type(prop, zhp->zfs_type))
|
|
|
|
return (zfs_error(hdl, EZFS_PROPTYPE, errbuf));
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Normalize the name, to get rid of shorthand abbrevations.
|
|
|
|
*/
|
|
|
|
propname = zfs_prop_to_name(prop);
|
|
|
|
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
|
|
|
|
(void) strlcpy(zc.zc_value, propname, sizeof (zc.zc_value));
|
|
|
|
|
|
|
|
if (prop == ZFS_PROP_MOUNTPOINT && getzoneid() == GLOBAL_ZONEID &&
|
|
|
|
zfs_prop_get_int(zhp, ZFS_PROP_ZONED)) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"dataset is used in a non-global zone"));
|
|
|
|
return (zfs_error(hdl, EZFS_ZONED, errbuf));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Determine datasets which will be affected by this change, if any.
|
|
|
|
*/
|
2008-12-03 20:09:06 +00:00
|
|
|
if ((cl = changelist_gather(zhp, prop, 0, 0)) == NULL)
|
2008-11-20 20:01:55 +00:00
|
|
|
return (-1);
|
|
|
|
|
|
|
|
if (prop == ZFS_PROP_MOUNTPOINT && changelist_haszonedchild(cl)) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"child dataset with inherited mountpoint is used "
|
|
|
|
"in a non-global zone"));
|
|
|
|
ret = zfs_error(hdl, EZFS_ZONED, errbuf);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((ret = changelist_prefix(cl)) != 0)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
if ((ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_INHERIT_PROP, &zc)) != 0) {
|
|
|
|
return (zfs_standard_error(hdl, errno, errbuf));
|
|
|
|
} else {
|
|
|
|
|
|
|
|
if ((ret = changelist_postfix(cl)) != 0)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Refresh the statistics so the new property is reflected.
|
|
|
|
*/
|
|
|
|
(void) get_stats(zhp);
|
|
|
|
}
|
|
|
|
|
|
|
|
error:
|
|
|
|
changelist_free(cl);
|
|
|
|
return (ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* True DSL properties are stored in an nvlist. The following two functions
|
|
|
|
* extract them appropriately.
|
|
|
|
*/
|
|
|
|
static uint64_t
|
|
|
|
getprop_uint64(zfs_handle_t *zhp, zfs_prop_t prop, char **source)
|
|
|
|
{
|
|
|
|
nvlist_t *nv;
|
|
|
|
uint64_t value;
|
|
|
|
|
|
|
|
*source = NULL;
|
|
|
|
if (nvlist_lookup_nvlist(zhp->zfs_props,
|
|
|
|
zfs_prop_to_name(prop), &nv) == 0) {
|
|
|
|
verify(nvlist_lookup_uint64(nv, ZPROP_VALUE, &value) == 0);
|
|
|
|
(void) nvlist_lookup_string(nv, ZPROP_SOURCE, source);
|
|
|
|
} else {
|
|
|
|
value = zfs_prop_default_numeric(prop);
|
|
|
|
*source = "";
|
|
|
|
}
|
|
|
|
|
|
|
|
return (value);
|
|
|
|
}
|
|
|
|
|
|
|
|
static char *
|
|
|
|
getprop_string(zfs_handle_t *zhp, zfs_prop_t prop, char **source)
|
|
|
|
{
|
|
|
|
nvlist_t *nv;
|
|
|
|
char *value;
|
|
|
|
|
|
|
|
*source = NULL;
|
|
|
|
if (nvlist_lookup_nvlist(zhp->zfs_props,
|
|
|
|
zfs_prop_to_name(prop), &nv) == 0) {
|
|
|
|
verify(nvlist_lookup_string(nv, ZPROP_VALUE, &value) == 0);
|
|
|
|
(void) nvlist_lookup_string(nv, ZPROP_SOURCE, source);
|
|
|
|
} else {
|
|
|
|
if ((value = (char *)zfs_prop_default_string(prop)) == NULL)
|
|
|
|
value = "";
|
|
|
|
*source = "";
|
|
|
|
}
|
|
|
|
|
|
|
|
return (value);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Internal function for getting a numeric property. Both zfs_prop_get() and
|
|
|
|
* zfs_prop_get_int() are built using this interface.
|
|
|
|
*
|
|
|
|
* Certain properties can be overridden using 'mount -o'. In this case, scan
|
|
|
|
* the contents of the /etc/mnttab entry, searching for the appropriate options.
|
|
|
|
* If they differ from the on-disk values, report the current values and mark
|
|
|
|
* the source "temporary".
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
get_numeric_property(zfs_handle_t *zhp, zfs_prop_t prop, zprop_source_t *src,
|
|
|
|
char **source, uint64_t *val)
|
|
|
|
{
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
nvlist_t *zplprops = NULL;
|
|
|
|
struct mnttab mnt;
|
|
|
|
char *mntopt_on = NULL;
|
|
|
|
char *mntopt_off = NULL;
|
|
|
|
|
|
|
|
*source = NULL;
|
|
|
|
|
|
|
|
switch (prop) {
|
|
|
|
case ZFS_PROP_ATIME:
|
|
|
|
mntopt_on = MNTOPT_ATIME;
|
|
|
|
mntopt_off = MNTOPT_NOATIME;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_DEVICES:
|
|
|
|
mntopt_on = MNTOPT_DEVICES;
|
|
|
|
mntopt_off = MNTOPT_NODEVICES;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_EXEC:
|
|
|
|
mntopt_on = MNTOPT_EXEC;
|
|
|
|
mntopt_off = MNTOPT_NOEXEC;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_READONLY:
|
|
|
|
mntopt_on = MNTOPT_RO;
|
|
|
|
mntopt_off = MNTOPT_RW;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_SETUID:
|
|
|
|
mntopt_on = MNTOPT_SETUID;
|
|
|
|
mntopt_off = MNTOPT_NOSETUID;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_XATTR:
|
|
|
|
mntopt_on = MNTOPT_XATTR;
|
|
|
|
mntopt_off = MNTOPT_NOXATTR;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_NBMAND:
|
|
|
|
mntopt_on = MNTOPT_NBMAND;
|
|
|
|
mntopt_off = MNTOPT_NONBMAND;
|
|
|
|
break;
|
2008-11-20 22:04:07 +00:00
|
|
|
default:
|
|
|
|
break;
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Because looking up the mount options is potentially expensive
|
|
|
|
* (iterating over all of /etc/mnttab), we defer its calculation until
|
|
|
|
* we're looking up a property which requires its presence.
|
|
|
|
*/
|
|
|
|
if (!zhp->zfs_mntcheck &&
|
|
|
|
(mntopt_on != NULL || prop == ZFS_PROP_MOUNTED)) {
|
2009-01-15 21:59:39 +00:00
|
|
|
libzfs_handle_t *hdl = zhp->zfs_hdl;
|
|
|
|
struct mnttab entry;
|
2008-11-20 20:01:55 +00:00
|
|
|
|
2009-01-15 21:59:39 +00:00
|
|
|
if (libzfs_mnttab_find(hdl, zhp->zfs_name, &entry) == 0) {
|
|
|
|
zhp->zfs_mntopts = zfs_strdup(hdl,
|
2008-11-20 20:01:55 +00:00
|
|
|
entry.mnt_mntopts);
|
|
|
|
if (zhp->zfs_mntopts == NULL)
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
zhp->zfs_mntcheck = B_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (zhp->zfs_mntopts == NULL)
|
|
|
|
mnt.mnt_mntopts = "";
|
|
|
|
else
|
|
|
|
mnt.mnt_mntopts = zhp->zfs_mntopts;
|
|
|
|
|
|
|
|
switch (prop) {
|
|
|
|
case ZFS_PROP_ATIME:
|
|
|
|
case ZFS_PROP_DEVICES:
|
|
|
|
case ZFS_PROP_EXEC:
|
|
|
|
case ZFS_PROP_READONLY:
|
|
|
|
case ZFS_PROP_SETUID:
|
|
|
|
case ZFS_PROP_XATTR:
|
|
|
|
case ZFS_PROP_NBMAND:
|
|
|
|
*val = getprop_uint64(zhp, prop, source);
|
|
|
|
|
|
|
|
if (hasmntopt(&mnt, mntopt_on) && !*val) {
|
|
|
|
*val = B_TRUE;
|
|
|
|
if (src)
|
|
|
|
*src = ZPROP_SRC_TEMPORARY;
|
|
|
|
} else if (hasmntopt(&mnt, mntopt_off) && *val) {
|
|
|
|
*val = B_FALSE;
|
|
|
|
if (src)
|
|
|
|
*src = ZPROP_SRC_TEMPORARY;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_CANMOUNT:
|
|
|
|
*val = getprop_uint64(zhp, prop, source);
|
|
|
|
if (*val != ZFS_CANMOUNT_ON)
|
|
|
|
*source = zhp->zfs_name;
|
|
|
|
else
|
|
|
|
*source = ""; /* default */
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_QUOTA:
|
|
|
|
case ZFS_PROP_REFQUOTA:
|
|
|
|
case ZFS_PROP_RESERVATION:
|
|
|
|
case ZFS_PROP_REFRESERVATION:
|
|
|
|
*val = getprop_uint64(zhp, prop, source);
|
|
|
|
if (*val == 0)
|
|
|
|
*source = ""; /* default */
|
|
|
|
else
|
|
|
|
*source = zhp->zfs_name;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_MOUNTED:
|
|
|
|
*val = (zhp->zfs_mntopts != NULL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_NUMCLONES:
|
|
|
|
*val = zhp->zfs_dmustats.dds_num_clones;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_VERSION:
|
|
|
|
case ZFS_PROP_NORMALIZE:
|
|
|
|
case ZFS_PROP_UTF8ONLY:
|
|
|
|
case ZFS_PROP_CASE:
|
|
|
|
if (!zfs_prop_valid_for_type(prop, zhp->zfs_head_type) ||
|
|
|
|
zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0)
|
|
|
|
return (-1);
|
|
|
|
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
|
|
|
|
if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_OBJSET_ZPLPROPS, &zc)) {
|
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"unable to get %s property"),
|
|
|
|
zfs_prop_to_name(prop));
|
|
|
|
return (zfs_error(zhp->zfs_hdl, EZFS_BADVERSION,
|
|
|
|
dgettext(TEXT_DOMAIN, "internal error")));
|
|
|
|
}
|
|
|
|
if (zcmd_read_dst_nvlist(zhp->zfs_hdl, &zc, &zplprops) != 0 ||
|
|
|
|
nvlist_lookup_uint64(zplprops, zfs_prop_to_name(prop),
|
|
|
|
val) != 0) {
|
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"unable to get %s property"),
|
|
|
|
zfs_prop_to_name(prop));
|
|
|
|
return (zfs_error(zhp->zfs_hdl, EZFS_NOMEM,
|
|
|
|
dgettext(TEXT_DOMAIN, "internal error")));
|
|
|
|
}
|
|
|
|
if (zplprops)
|
|
|
|
nvlist_free(zplprops);
|
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
switch (zfs_prop_get_type(prop)) {
|
|
|
|
case PROP_TYPE_NUMBER:
|
|
|
|
case PROP_TYPE_INDEX:
|
|
|
|
*val = getprop_uint64(zhp, prop, source);
|
2008-12-03 20:09:06 +00:00
|
|
|
/*
|
|
|
|
* If we tried to use a defalut value for a
|
|
|
|
* readonly property, it means that it was not
|
|
|
|
* present; return an error.
|
|
|
|
*/
|
|
|
|
if (zfs_prop_readonly(prop) &&
|
|
|
|
*source && (*source)[0] == '\0') {
|
|
|
|
return (-1);
|
|
|
|
}
|
2008-11-20 20:01:55 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case PROP_TYPE_STRING:
|
|
|
|
default:
|
|
|
|
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"cannot get non-numeric property"));
|
|
|
|
return (zfs_error(zhp->zfs_hdl, EZFS_BADPROP,
|
|
|
|
dgettext(TEXT_DOMAIN, "internal error")));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Calculate the source type, given the raw source string.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
get_source(zfs_handle_t *zhp, zprop_source_t *srctype, char *source,
|
|
|
|
char *statbuf, size_t statlen)
|
|
|
|
{
|
|
|
|
if (statbuf == NULL || *srctype == ZPROP_SRC_TEMPORARY)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (source == NULL) {
|
|
|
|
*srctype = ZPROP_SRC_NONE;
|
|
|
|
} else if (source[0] == '\0') {
|
|
|
|
*srctype = ZPROP_SRC_DEFAULT;
|
|
|
|
} else {
|
|
|
|
if (strcmp(source, zhp->zfs_name) == 0) {
|
|
|
|
*srctype = ZPROP_SRC_LOCAL;
|
|
|
|
} else {
|
|
|
|
(void) strlcpy(statbuf, source, statlen);
|
|
|
|
*srctype = ZPROP_SRC_INHERITED;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Retrieve a property from the given object. If 'literal' is specified, then
|
|
|
|
* numbers are left as exact values. Otherwise, numbers are converted to a
|
|
|
|
* human-readable form.
|
|
|
|
*
|
|
|
|
* Returns 0 on success, or -1 on error.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen,
|
|
|
|
zprop_source_t *src, char *statbuf, size_t statlen, boolean_t literal)
|
|
|
|
{
|
|
|
|
char *source = NULL;
|
|
|
|
uint64_t val;
|
|
|
|
char *str;
|
|
|
|
const char *strval;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Check to see if this property applies to our object
|
|
|
|
*/
|
|
|
|
if (!zfs_prop_valid_for_type(prop, zhp->zfs_type))
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
if (src)
|
|
|
|
*src = ZPROP_SRC_NONE;
|
|
|
|
|
|
|
|
switch (prop) {
|
|
|
|
case ZFS_PROP_CREATION:
|
|
|
|
/*
|
|
|
|
* 'creation' is a time_t stored in the statistics. We convert
|
|
|
|
* this into a string unless 'literal' is specified.
|
|
|
|
*/
|
|
|
|
{
|
|
|
|
val = getprop_uint64(zhp, prop, &source);
|
2008-12-16 21:28:23 +00:00
|
|
|
time_t local_time = (time_t)val;
|
2008-11-20 20:01:55 +00:00
|
|
|
struct tm t;
|
|
|
|
|
|
|
|
if (literal ||
|
2008-12-16 21:28:23 +00:00
|
|
|
localtime_r(&local_time, &t) == NULL ||
|
2008-11-20 20:01:55 +00:00
|
|
|
strftime(propbuf, proplen, "%a %b %e %k:%M %Y",
|
|
|
|
&t) == 0)
|
2008-12-04 22:41:11 +00:00
|
|
|
(void) snprintf(propbuf, proplen, "%llu", (u_longlong_t) val);
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_MOUNTPOINT:
|
|
|
|
/*
|
|
|
|
* Getting the precise mountpoint can be tricky.
|
|
|
|
*
|
|
|
|
* - for 'none' or 'legacy', return those values.
|
|
|
|
* - for inherited mountpoints, we want to take everything
|
|
|
|
* after our ancestor and append it to the inherited value.
|
|
|
|
*
|
|
|
|
* If the pool has an alternate root, we want to prepend that
|
|
|
|
* root to any values we return.
|
|
|
|
*/
|
2008-12-03 20:09:06 +00:00
|
|
|
|
2008-11-20 20:01:55 +00:00
|
|
|
str = getprop_string(zhp, prop, &source);
|
|
|
|
|
2008-12-03 20:09:06 +00:00
|
|
|
if (str[0] == '/') {
|
|
|
|
char buf[MAXPATHLEN];
|
|
|
|
char *root = buf;
|
2008-11-20 20:01:55 +00:00
|
|
|
const char *relpath = zhp->zfs_name + strlen(source);
|
|
|
|
|
|
|
|
if (relpath[0] == '/')
|
|
|
|
relpath++;
|
2008-12-03 20:09:06 +00:00
|
|
|
|
|
|
|
if ((zpool_get_prop(zhp->zpool_hdl,
|
|
|
|
ZPOOL_PROP_ALTROOT, buf, MAXPATHLEN, NULL)) ||
|
|
|
|
(strcmp(root, "-") == 0))
|
|
|
|
root[0] = '\0';
|
|
|
|
/*
|
|
|
|
* Special case an alternate root of '/'. This will
|
|
|
|
* avoid having multiple leading slashes in the
|
|
|
|
* mountpoint path.
|
|
|
|
*/
|
|
|
|
if (strcmp(root, "/") == 0)
|
|
|
|
root++;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If the mountpoint is '/' then skip over this
|
|
|
|
* if we are obtaining either an alternate root or
|
|
|
|
* an inherited mountpoint.
|
|
|
|
*/
|
|
|
|
if (str[1] == '\0' && (root[0] != '\0' ||
|
|
|
|
relpath[0] != '\0'))
|
2008-11-20 20:01:55 +00:00
|
|
|
str++;
|
|
|
|
|
|
|
|
if (relpath[0] == '\0')
|
|
|
|
(void) snprintf(propbuf, proplen, "%s%s",
|
|
|
|
root, str);
|
|
|
|
else
|
|
|
|
(void) snprintf(propbuf, proplen, "%s%s%s%s",
|
|
|
|
root, str, relpath[0] == '@' ? "" : "/",
|
|
|
|
relpath);
|
|
|
|
} else {
|
|
|
|
/* 'legacy' or 'none' */
|
|
|
|
(void) strlcpy(propbuf, str, proplen);
|
|
|
|
}
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_ORIGIN:
|
|
|
|
(void) strlcpy(propbuf, getprop_string(zhp, prop, &source),
|
|
|
|
proplen);
|
|
|
|
/*
|
|
|
|
* If there is no parent at all, return failure to indicate that
|
|
|
|
* it doesn't apply to this dataset.
|
|
|
|
*/
|
|
|
|
if (propbuf[0] == '\0')
|
|
|
|
return (-1);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_QUOTA:
|
|
|
|
case ZFS_PROP_REFQUOTA:
|
|
|
|
case ZFS_PROP_RESERVATION:
|
|
|
|
case ZFS_PROP_REFRESERVATION:
|
|
|
|
|
|
|
|
if (get_numeric_property(zhp, prop, src, &source, &val) != 0)
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If quota or reservation is 0, we translate this into 'none'
|
|
|
|
* (unless literal is set), and indicate that it's the default
|
|
|
|
* value. Otherwise, we print the number nicely and indicate
|
|
|
|
* that its set locally.
|
|
|
|
*/
|
|
|
|
if (val == 0) {
|
|
|
|
if (literal)
|
|
|
|
(void) strlcpy(propbuf, "0", proplen);
|
|
|
|
else
|
|
|
|
(void) strlcpy(propbuf, "none", proplen);
|
|
|
|
} else {
|
|
|
|
if (literal)
|
|
|
|
(void) snprintf(propbuf, proplen, "%llu",
|
|
|
|
(u_longlong_t)val);
|
|
|
|
else
|
|
|
|
zfs_nicenum(val, propbuf, proplen);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_COMPRESSRATIO:
|
|
|
|
if (get_numeric_property(zhp, prop, src, &source, &val) != 0)
|
|
|
|
return (-1);
|
|
|
|
(void) snprintf(propbuf, proplen, "%lld.%02lldx", (longlong_t)
|
|
|
|
val / 100, (longlong_t)val % 100);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_TYPE:
|
|
|
|
switch (zhp->zfs_type) {
|
|
|
|
case ZFS_TYPE_FILESYSTEM:
|
|
|
|
str = "filesystem";
|
|
|
|
break;
|
|
|
|
case ZFS_TYPE_VOLUME:
|
|
|
|
str = "volume";
|
|
|
|
break;
|
|
|
|
case ZFS_TYPE_SNAPSHOT:
|
|
|
|
str = "snapshot";
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
abort();
|
|
|
|
}
|
|
|
|
(void) snprintf(propbuf, proplen, "%s", str);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_MOUNTED:
|
|
|
|
/*
|
|
|
|
* The 'mounted' property is a pseudo-property that described
|
|
|
|
* whether the filesystem is currently mounted. Even though
|
|
|
|
* it's a boolean value, the typical values of "on" and "off"
|
|
|
|
* don't make sense, so we translate to "yes" and "no".
|
|
|
|
*/
|
|
|
|
if (get_numeric_property(zhp, ZFS_PROP_MOUNTED,
|
|
|
|
src, &source, &val) != 0)
|
|
|
|
return (-1);
|
|
|
|
if (val)
|
|
|
|
(void) strlcpy(propbuf, "yes", proplen);
|
|
|
|
else
|
|
|
|
(void) strlcpy(propbuf, "no", proplen);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZFS_PROP_NAME:
|
|
|
|
/*
|
|
|
|
* The 'name' property is a pseudo-property derived from the
|
|
|
|
* dataset name. It is presented as a real property to simplify
|
|
|
|
* consumers.
|
|
|
|
*/
|
|
|
|
(void) strlcpy(propbuf, zhp->zfs_name, proplen);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
switch (zfs_prop_get_type(prop)) {
|
|
|
|
case PROP_TYPE_NUMBER:
|
|
|
|
if (get_numeric_property(zhp, prop, src,
|
|
|
|
&source, &val) != 0)
|
|
|
|
return (-1);
|
|
|
|
if (literal)
|
|
|
|
(void) snprintf(propbuf, proplen, "%llu",
|
|
|
|
(u_longlong_t)val);
|
|
|
|
else
|
|
|
|
zfs_nicenum(val, propbuf, proplen);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case PROP_TYPE_STRING:
|
|
|
|
(void) strlcpy(propbuf,
|
|
|
|
getprop_string(zhp, prop, &source), proplen);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case PROP_TYPE_INDEX:
|
|
|
|
if (get_numeric_property(zhp, prop, src,
|
|
|
|
&source, &val) != 0)
|
|
|
|
return (-1);
|
|
|
|
if (zfs_prop_index_to_string(prop, val, &strval) != 0)
|
|
|
|
return (-1);
|
|
|
|
(void) strlcpy(propbuf, strval, proplen);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
abort();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
get_source(zhp, src, source, statbuf, statlen);
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Utility function to get the given numeric property. Does no validation that
|
|
|
|
* the given property is the appropriate type; should only be used with
|
|
|
|
* hard-coded property types.
|
|
|
|
*/
|
|
|
|
uint64_t
|
|
|
|
zfs_prop_get_int(zfs_handle_t *zhp, zfs_prop_t prop)
|
|
|
|
{
|
|
|
|
char *source;
|
|
|
|
uint64_t val;
|
|
|
|
|
|
|
|
(void) get_numeric_property(zhp, prop, NULL, &source, &val);
|
|
|
|
|
|
|
|
return (val);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
zfs_prop_set_int(zfs_handle_t *zhp, zfs_prop_t prop, uint64_t val)
|
|
|
|
{
|
|
|
|
char buf[64];
|
|
|
|
|
|
|
|
zfs_nicenum(val, buf, sizeof (buf));
|
|
|
|
return (zfs_prop_set(zhp, zfs_prop_to_name(prop), buf));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Similar to zfs_prop_get(), but returns the value as an integer.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_prop_get_numeric(zfs_handle_t *zhp, zfs_prop_t prop, uint64_t *value,
|
|
|
|
zprop_source_t *src, char *statbuf, size_t statlen)
|
|
|
|
{
|
|
|
|
char *source;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Check to see if this property applies to our object
|
|
|
|
*/
|
|
|
|
if (!zfs_prop_valid_for_type(prop, zhp->zfs_type)) {
|
|
|
|
return (zfs_error_fmt(zhp->zfs_hdl, EZFS_PROPTYPE,
|
|
|
|
dgettext(TEXT_DOMAIN, "cannot get property '%s'"),
|
|
|
|
zfs_prop_to_name(prop)));
|
|
|
|
}
|
|
|
|
|
|
|
|
if (src)
|
|
|
|
*src = ZPROP_SRC_NONE;
|
|
|
|
|
|
|
|
if (get_numeric_property(zhp, prop, src, &source, value) != 0)
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
get_source(zhp, src, source, statbuf, statlen);
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Returns the name of the given zfs handle.
|
|
|
|
*/
|
|
|
|
const char *
|
|
|
|
zfs_get_name(const zfs_handle_t *zhp)
|
|
|
|
{
|
|
|
|
return (zhp->zfs_name);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Returns the type of the given zfs handle.
|
|
|
|
*/
|
|
|
|
zfs_type_t
|
|
|
|
zfs_get_type(const zfs_handle_t *zhp)
|
|
|
|
{
|
|
|
|
return (zhp->zfs_type);
|
|
|
|
}
|
|
|
|
|
2009-01-15 21:59:39 +00:00
|
|
|
static int
|
|
|
|
zfs_do_list_ioctl(zfs_handle_t *zhp, int arg, zfs_cmd_t *zc)
|
|
|
|
{
|
|
|
|
int rc;
|
|
|
|
uint64_t orig_cookie;
|
|
|
|
|
|
|
|
orig_cookie = zc->zc_cookie;
|
|
|
|
top:
|
|
|
|
(void) strlcpy(zc->zc_name, zhp->zfs_name, sizeof (zc->zc_name));
|
|
|
|
rc = ioctl(zhp->zfs_hdl->libzfs_fd, arg, zc);
|
|
|
|
|
|
|
|
if (rc == -1) {
|
|
|
|
switch (errno) {
|
|
|
|
case ENOMEM:
|
|
|
|
/* expand nvlist memory and try again */
|
|
|
|
if (zcmd_expand_dst_nvlist(zhp->zfs_hdl, zc) != 0) {
|
|
|
|
zcmd_free_nvlists(zc);
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
zc->zc_cookie = orig_cookie;
|
|
|
|
goto top;
|
|
|
|
/*
|
|
|
|
* An errno value of ESRCH indicates normal completion.
|
|
|
|
* If ENOENT is returned, then the underlying dataset
|
|
|
|
* has been removed since we obtained the handle.
|
|
|
|
*/
|
|
|
|
case ESRCH:
|
|
|
|
case ENOENT:
|
|
|
|
rc = 1;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
rc = zfs_standard_error(zhp->zfs_hdl, errno,
|
|
|
|
dgettext(TEXT_DOMAIN,
|
|
|
|
"cannot iterate filesystems"));
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return (rc);
|
|
|
|
}
|
|
|
|
|
2008-11-20 20:01:55 +00:00
|
|
|
/*
|
|
|
|
* Iterate over all child filesystems
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_iter_filesystems(zfs_handle_t *zhp, zfs_iter_f func, void *data)
|
|
|
|
{
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
zfs_handle_t *nzhp;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (zhp->zfs_type != ZFS_TYPE_FILESYSTEM)
|
|
|
|
return (0);
|
|
|
|
|
2009-01-15 21:59:39 +00:00
|
|
|
if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0)
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
while ((ret = zfs_do_list_ioctl(zhp, ZFS_IOC_DATASET_LIST_NEXT,
|
|
|
|
&zc)) == 0) {
|
2008-11-20 20:01:55 +00:00
|
|
|
/*
|
|
|
|
* Ignore private dataset names.
|
|
|
|
*/
|
|
|
|
if (dataset_name_hidden(zc.zc_name))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Silently ignore errors, as the only plausible explanation is
|
|
|
|
* that the pool has since been removed.
|
|
|
|
*/
|
2009-01-15 21:59:39 +00:00
|
|
|
if ((nzhp = make_dataset_handle_zc(zhp->zfs_hdl,
|
|
|
|
&zc)) == NULL) {
|
2008-11-20 20:01:55 +00:00
|
|
|
continue;
|
2009-01-15 21:59:39 +00:00
|
|
|
}
|
2008-11-20 20:01:55 +00:00
|
|
|
|
2009-01-15 21:59:39 +00:00
|
|
|
if ((ret = func(nzhp, data)) != 0) {
|
|
|
|
zcmd_free_nvlists(&zc);
|
2008-11-20 20:01:55 +00:00
|
|
|
return (ret);
|
2009-01-15 21:59:39 +00:00
|
|
|
}
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
2009-01-15 21:59:39 +00:00
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
return ((ret < 0) ? ret : 0);
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Iterate over all snapshots
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_iter_snapshots(zfs_handle_t *zhp, zfs_iter_f func, void *data)
|
|
|
|
{
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
zfs_handle_t *nzhp;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT)
|
|
|
|
return (0);
|
|
|
|
|
2009-01-15 21:59:39 +00:00
|
|
|
if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0)
|
|
|
|
return (-1);
|
|
|
|
while ((ret = zfs_do_list_ioctl(zhp, ZFS_IOC_SNAPSHOT_LIST_NEXT,
|
|
|
|
&zc)) == 0) {
|
2008-11-20 20:01:55 +00:00
|
|
|
|
2009-01-15 21:59:39 +00:00
|
|
|
if ((nzhp = make_dataset_handle_zc(zhp->zfs_hdl,
|
|
|
|
&zc)) == NULL) {
|
2008-11-20 20:01:55 +00:00
|
|
|
continue;
|
2009-01-15 21:59:39 +00:00
|
|
|
}
|
2008-11-20 20:01:55 +00:00
|
|
|
|
2009-01-15 21:59:39 +00:00
|
|
|
if ((ret = func(nzhp, data)) != 0) {
|
|
|
|
zcmd_free_nvlists(&zc);
|
2008-11-20 20:01:55 +00:00
|
|
|
return (ret);
|
2009-01-15 21:59:39 +00:00
|
|
|
}
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
2009-01-15 21:59:39 +00:00
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
return ((ret < 0) ? ret : 0);
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Iterate over all children, snapshots and filesystems
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_iter_children(zfs_handle_t *zhp, zfs_iter_f func, void *data)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if ((ret = zfs_iter_filesystems(zhp, func, data)) != 0)
|
|
|
|
return (ret);
|
|
|
|
|
|
|
|
return (zfs_iter_snapshots(zhp, func, data));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Given a complete name, return just the portion that refers to the parent.
|
|
|
|
* Can return NULL if this is a pool.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
parent_name(const char *path, char *buf, size_t buflen)
|
|
|
|
{
|
|
|
|
char *loc;
|
|
|
|
|
|
|
|
if ((loc = strrchr(path, '/')) == NULL)
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
(void) strncpy(buf, path, MIN(buflen, loc - path));
|
|
|
|
buf[loc - path] = '\0';
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If accept_ancestor is false, then check to make sure that the given path has
|
|
|
|
* a parent, and that it exists. If accept_ancestor is true, then find the
|
|
|
|
* closest existing ancestor for the given path. In prefixlen return the
|
|
|
|
* length of already existing prefix of the given path. We also fetch the
|
|
|
|
* 'zoned' property, which is used to validate property settings when creating
|
|
|
|
* new datasets.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
check_parents(libzfs_handle_t *hdl, const char *path, uint64_t *zoned,
|
|
|
|
boolean_t accept_ancestor, int *prefixlen)
|
|
|
|
{
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
char parent[ZFS_MAXNAMELEN];
|
|
|
|
char *slash;
|
|
|
|
zfs_handle_t *zhp;
|
|
|
|
char errbuf[1024];
|
|
|
|
|
2009-01-15 21:59:39 +00:00
|
|
|
(void) snprintf(errbuf, sizeof (errbuf),
|
|
|
|
dgettext(TEXT_DOMAIN, "cannot create '%s'"), path);
|
2008-11-20 20:01:55 +00:00
|
|
|
|
|
|
|
/* get parent, and check to see if this is just a pool */
|
|
|
|
if (parent_name(path, parent, sizeof (parent)) != 0) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"missing dataset name"));
|
|
|
|
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* check to see if the pool exists */
|
|
|
|
if ((slash = strchr(parent, '/')) == NULL)
|
|
|
|
slash = parent + strlen(parent);
|
|
|
|
(void) strncpy(zc.zc_name, parent, slash - parent);
|
|
|
|
zc.zc_name[slash - parent] = '\0';
|
|
|
|
if (ioctl(hdl->libzfs_fd, ZFS_IOC_OBJSET_STATS, &zc) != 0 &&
|
|
|
|
errno == ENOENT) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"no such pool '%s'"), zc.zc_name);
|
|
|
|
return (zfs_error(hdl, EZFS_NOENT, errbuf));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* check to see if the parent dataset exists */
|
|
|
|
while ((zhp = make_dataset_handle(hdl, parent)) == NULL) {
|
|
|
|
if (errno == ENOENT && accept_ancestor) {
|
|
|
|
/*
|
|
|
|
* Go deeper to find an ancestor, give up on top level.
|
|
|
|
*/
|
|
|
|
if (parent_name(parent, parent, sizeof (parent)) != 0) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"no such pool '%s'"), zc.zc_name);
|
|
|
|
return (zfs_error(hdl, EZFS_NOENT, errbuf));
|
|
|
|
}
|
|
|
|
} else if (errno == ENOENT) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"parent does not exist"));
|
|
|
|
return (zfs_error(hdl, EZFS_NOENT, errbuf));
|
|
|
|
} else
|
|
|
|
return (zfs_standard_error(hdl, errno, errbuf));
|
|
|
|
}
|
|
|
|
|
|
|
|
*zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
|
|
|
|
/* we are in a non-global zone, but parent is in the global zone */
|
|
|
|
if (getzoneid() != GLOBAL_ZONEID && !(*zoned)) {
|
|
|
|
(void) zfs_standard_error(hdl, EPERM, errbuf);
|
|
|
|
zfs_close(zhp);
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* make sure parent is a filesystem */
|
|
|
|
if (zfs_get_type(zhp) != ZFS_TYPE_FILESYSTEM) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"parent is not a filesystem"));
|
|
|
|
(void) zfs_error(hdl, EZFS_BADTYPE, errbuf);
|
|
|
|
zfs_close(zhp);
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
zfs_close(zhp);
|
|
|
|
if (prefixlen != NULL)
|
|
|
|
*prefixlen = strlen(parent);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Finds whether the dataset of the given type(s) exists.
|
|
|
|
*/
|
|
|
|
boolean_t
|
|
|
|
zfs_dataset_exists(libzfs_handle_t *hdl, const char *path, zfs_type_t types)
|
|
|
|
{
|
|
|
|
zfs_handle_t *zhp;
|
|
|
|
|
|
|
|
if (!zfs_validate_name(hdl, path, types, B_FALSE))
|
|
|
|
return (B_FALSE);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Try to get stats for the dataset, which will tell us if it exists.
|
|
|
|
*/
|
|
|
|
if ((zhp = make_dataset_handle(hdl, path)) != NULL) {
|
|
|
|
int ds_type = zhp->zfs_type;
|
|
|
|
|
|
|
|
zfs_close(zhp);
|
|
|
|
if (types & ds_type)
|
|
|
|
return (B_TRUE);
|
|
|
|
}
|
|
|
|
return (B_FALSE);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Given a path to 'target', create all the ancestors between
|
|
|
|
* the prefixlen portion of the path, and the target itself.
|
|
|
|
* Fail if the initial prefixlen-ancestor does not already exist.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
create_parents(libzfs_handle_t *hdl, char *target, int prefixlen)
|
|
|
|
{
|
|
|
|
zfs_handle_t *h;
|
|
|
|
char *cp;
|
|
|
|
const char *opname;
|
|
|
|
|
|
|
|
/* make sure prefix exists */
|
|
|
|
cp = target + prefixlen;
|
|
|
|
if (*cp != '/') {
|
|
|
|
assert(strchr(cp, '/') == NULL);
|
|
|
|
h = zfs_open(hdl, target, ZFS_TYPE_FILESYSTEM);
|
|
|
|
} else {
|
|
|
|
*cp = '\0';
|
|
|
|
h = zfs_open(hdl, target, ZFS_TYPE_FILESYSTEM);
|
|
|
|
*cp = '/';
|
|
|
|
}
|
|
|
|
if (h == NULL)
|
|
|
|
return (-1);
|
|
|
|
zfs_close(h);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Attempt to create, mount, and share any ancestor filesystems,
|
|
|
|
* up to the prefixlen-long one.
|
|
|
|
*/
|
|
|
|
for (cp = target + prefixlen + 1;
|
2008-12-05 17:09:02 +00:00
|
|
|
(cp = strchr(cp, '/')); *cp = '/', cp++) {
|
2008-11-20 20:01:55 +00:00
|
|
|
char *logstr;
|
|
|
|
|
|
|
|
*cp = '\0';
|
|
|
|
|
|
|
|
h = make_dataset_handle(hdl, target);
|
|
|
|
if (h) {
|
|
|
|
/* it already exists, nothing to do here */
|
|
|
|
zfs_close(h);
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
logstr = hdl->libzfs_log_str;
|
|
|
|
hdl->libzfs_log_str = NULL;
|
|
|
|
if (zfs_create(hdl, target, ZFS_TYPE_FILESYSTEM,
|
|
|
|
NULL) != 0) {
|
|
|
|
hdl->libzfs_log_str = logstr;
|
|
|
|
opname = dgettext(TEXT_DOMAIN, "create");
|
|
|
|
goto ancestorerr;
|
|
|
|
}
|
|
|
|
|
|
|
|
hdl->libzfs_log_str = logstr;
|
|
|
|
h = zfs_open(hdl, target, ZFS_TYPE_FILESYSTEM);
|
|
|
|
if (h == NULL) {
|
|
|
|
opname = dgettext(TEXT_DOMAIN, "open");
|
|
|
|
goto ancestorerr;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (zfs_mount(h, NULL, 0) != 0) {
|
|
|
|
opname = dgettext(TEXT_DOMAIN, "mount");
|
|
|
|
goto ancestorerr;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (zfs_share(h) != 0) {
|
|
|
|
opname = dgettext(TEXT_DOMAIN, "share");
|
|
|
|
goto ancestorerr;
|
|
|
|
}
|
|
|
|
|
|
|
|
zfs_close(h);
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
|
|
|
|
ancestorerr:
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"failed to %s ancestor '%s'"), opname, target);
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Creates non-existing ancestors of the given path.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_create_ancestors(libzfs_handle_t *hdl, const char *path)
|
|
|
|
{
|
|
|
|
int prefix;
|
|
|
|
uint64_t zoned;
|
|
|
|
char *path_copy;
|
|
|
|
int rc;
|
|
|
|
|
|
|
|
if (check_parents(hdl, path, &zoned, B_TRUE, &prefix) != 0)
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
if ((path_copy = strdup(path)) != NULL) {
|
|
|
|
rc = create_parents(hdl, path_copy, prefix);
|
|
|
|
free(path_copy);
|
|
|
|
}
|
|
|
|
if (path_copy == NULL || rc != 0)
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Create a new filesystem or volume.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_create(libzfs_handle_t *hdl, const char *path, zfs_type_t type,
|
|
|
|
nvlist_t *props)
|
|
|
|
{
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
int ret;
|
|
|
|
uint64_t size = 0;
|
|
|
|
uint64_t blocksize = zfs_prop_default_numeric(ZFS_PROP_VOLBLOCKSIZE);
|
|
|
|
char errbuf[1024];
|
|
|
|
uint64_t zoned;
|
|
|
|
|
|
|
|
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
|
|
|
|
"cannot create '%s'"), path);
|
|
|
|
|
|
|
|
/* validate the path, taking care to note the extended error message */
|
|
|
|
if (!zfs_validate_name(hdl, path, type, B_TRUE))
|
|
|
|
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf));
|
|
|
|
|
|
|
|
/* validate parents exist */
|
|
|
|
if (check_parents(hdl, path, &zoned, B_FALSE, NULL) != 0)
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* The failure modes when creating a dataset of a different type over
|
|
|
|
* one that already exists is a little strange. In particular, if you
|
|
|
|
* try to create a dataset on top of an existing dataset, the ioctl()
|
|
|
|
* will return ENOENT, not EEXIST. To prevent this from happening, we
|
|
|
|
* first try to see if the dataset exists.
|
|
|
|
*/
|
|
|
|
(void) strlcpy(zc.zc_name, path, sizeof (zc.zc_name));
|
|
|
|
if (zfs_dataset_exists(hdl, zc.zc_name, ZFS_TYPE_DATASET)) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"dataset already exists"));
|
|
|
|
return (zfs_error(hdl, EZFS_EXISTS, errbuf));
|
|
|
|
}
|
|
|
|
|
|
|
|
if (type == ZFS_TYPE_VOLUME)
|
|
|
|
zc.zc_objset_type = DMU_OST_ZVOL;
|
|
|
|
else
|
|
|
|
zc.zc_objset_type = DMU_OST_ZFS;
|
|
|
|
|
2008-12-03 20:09:06 +00:00
|
|
|
if (props && (props = zfs_valid_proplist(hdl, type, props,
|
2008-11-20 20:01:55 +00:00
|
|
|
zoned, NULL, errbuf)) == 0)
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
if (type == ZFS_TYPE_VOLUME) {
|
|
|
|
/*
|
|
|
|
* If we are creating a volume, the size and block size must
|
|
|
|
* satisfy a few restraints. First, the blocksize must be a
|
|
|
|
* valid block size between SPA_{MIN,MAX}BLOCKSIZE. Second, the
|
|
|
|
* volsize must be a multiple of the block size, and cannot be
|
|
|
|
* zero.
|
|
|
|
*/
|
|
|
|
if (props == NULL || nvlist_lookup_uint64(props,
|
|
|
|
zfs_prop_to_name(ZFS_PROP_VOLSIZE), &size) != 0) {
|
|
|
|
nvlist_free(props);
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"missing volume size"));
|
|
|
|
return (zfs_error(hdl, EZFS_BADPROP, errbuf));
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((ret = nvlist_lookup_uint64(props,
|
|
|
|
zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE),
|
|
|
|
&blocksize)) != 0) {
|
|
|
|
if (ret == ENOENT) {
|
|
|
|
blocksize = zfs_prop_default_numeric(
|
|
|
|
ZFS_PROP_VOLBLOCKSIZE);
|
|
|
|
} else {
|
|
|
|
nvlist_free(props);
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"missing volume block size"));
|
|
|
|
return (zfs_error(hdl, EZFS_BADPROP, errbuf));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (size == 0) {
|
|
|
|
nvlist_free(props);
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"volume size cannot be zero"));
|
|
|
|
return (zfs_error(hdl, EZFS_BADPROP, errbuf));
|
|
|
|
}
|
|
|
|
|
|
|
|
if (size % blocksize != 0) {
|
|
|
|
nvlist_free(props);
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"volume size must be a multiple of volume block "
|
|
|
|
"size"));
|
|
|
|
return (zfs_error(hdl, EZFS_BADPROP, errbuf));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (props && zcmd_write_src_nvlist(hdl, &zc, props) != 0)
|
|
|
|
return (-1);
|
|
|
|
nvlist_free(props);
|
|
|
|
|
|
|
|
/* create the dataset */
|
|
|
|
ret = zfs_ioctl(hdl, ZFS_IOC_CREATE, &zc);
|
|
|
|
|
|
|
|
if (ret == 0 && type == ZFS_TYPE_VOLUME) {
|
|
|
|
ret = zvol_create_link(hdl, path);
|
|
|
|
if (ret) {
|
|
|
|
(void) zfs_standard_error(hdl, errno,
|
|
|
|
dgettext(TEXT_DOMAIN,
|
|
|
|
"Volume successfully created, but device links "
|
|
|
|
"were not created"));
|
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
|
|
|
|
/* check for failure */
|
|
|
|
if (ret != 0) {
|
|
|
|
char parent[ZFS_MAXNAMELEN];
|
|
|
|
(void) parent_name(path, parent, sizeof (parent));
|
|
|
|
|
|
|
|
switch (errno) {
|
|
|
|
case ENOENT:
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"no such parent '%s'"), parent);
|
|
|
|
return (zfs_error(hdl, EZFS_NOENT, errbuf));
|
|
|
|
|
|
|
|
case EINVAL:
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"parent '%s' is not a filesystem"), parent);
|
|
|
|
return (zfs_error(hdl, EZFS_BADTYPE, errbuf));
|
|
|
|
|
|
|
|
case EDOM:
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"volume block size must be power of 2 from "
|
|
|
|
"%u to %uk"),
|
|
|
|
(uint_t)SPA_MINBLOCKSIZE,
|
|
|
|
(uint_t)SPA_MAXBLOCKSIZE >> 10);
|
|
|
|
|
|
|
|
return (zfs_error(hdl, EZFS_BADPROP, errbuf));
|
|
|
|
|
|
|
|
case ENOTSUP:
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"pool must be upgraded to set this "
|
|
|
|
"property or value"));
|
|
|
|
return (zfs_error(hdl, EZFS_BADVERSION, errbuf));
|
|
|
|
#ifdef _ILP32
|
|
|
|
case EOVERFLOW:
|
|
|
|
/*
|
|
|
|
* This platform can't address a volume this big.
|
|
|
|
*/
|
|
|
|
if (type == ZFS_TYPE_VOLUME)
|
|
|
|
return (zfs_error(hdl, EZFS_VOLTOOBIG,
|
|
|
|
errbuf));
|
|
|
|
#endif
|
|
|
|
/* FALLTHROUGH */
|
|
|
|
default:
|
|
|
|
return (zfs_standard_error(hdl, errno, errbuf));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Destroys the given dataset. The caller must make sure that the filesystem
|
|
|
|
* isn't mounted, and that there are no active dependents.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_destroy(zfs_handle_t *zhp)
|
|
|
|
{
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
|
|
|
|
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
|
|
|
|
|
|
|
|
if (ZFS_IS_VOLUME(zhp)) {
|
|
|
|
/*
|
|
|
|
* If user doesn't have permissions to unshare volume, then
|
|
|
|
* abort the request. This would only happen for a
|
|
|
|
* non-privileged user.
|
|
|
|
*/
|
|
|
|
if (zfs_unshare_iscsi(zhp) != 0) {
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (zvol_remove_link(zhp->zfs_hdl, zhp->zfs_name) != 0)
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
zc.zc_objset_type = DMU_OST_ZVOL;
|
|
|
|
} else {
|
|
|
|
zc.zc_objset_type = DMU_OST_ZFS;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_DESTROY, &zc) != 0) {
|
|
|
|
return (zfs_standard_error_fmt(zhp->zfs_hdl, errno,
|
|
|
|
dgettext(TEXT_DOMAIN, "cannot destroy '%s'"),
|
|
|
|
zhp->zfs_name));
|
|
|
|
}
|
|
|
|
|
|
|
|
remove_mountpoint(zhp);
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
struct destroydata {
|
|
|
|
char *snapname;
|
|
|
|
boolean_t gotone;
|
|
|
|
boolean_t closezhp;
|
|
|
|
};
|
|
|
|
|
|
|
|
static int
|
|
|
|
zfs_remove_link_cb(zfs_handle_t *zhp, void *arg)
|
|
|
|
{
|
|
|
|
struct destroydata *dd = arg;
|
|
|
|
zfs_handle_t *szhp;
|
|
|
|
char name[ZFS_MAXNAMELEN];
|
|
|
|
boolean_t closezhp = dd->closezhp;
|
|
|
|
int rv;
|
|
|
|
|
|
|
|
(void) strlcpy(name, zhp->zfs_name, sizeof (name));
|
|
|
|
(void) strlcat(name, "@", sizeof (name));
|
|
|
|
(void) strlcat(name, dd->snapname, sizeof (name));
|
|
|
|
|
|
|
|
szhp = make_dataset_handle(zhp->zfs_hdl, name);
|
|
|
|
if (szhp) {
|
|
|
|
dd->gotone = B_TRUE;
|
|
|
|
zfs_close(szhp);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (zhp->zfs_type == ZFS_TYPE_VOLUME) {
|
|
|
|
(void) zvol_remove_link(zhp->zfs_hdl, name);
|
|
|
|
/*
|
|
|
|
* NB: this is simply a best-effort. We don't want to
|
|
|
|
* return an error, because then we wouldn't visit all
|
|
|
|
* the volumes.
|
|
|
|
*/
|
|
|
|
}
|
|
|
|
|
|
|
|
dd->closezhp = B_TRUE;
|
|
|
|
rv = zfs_iter_filesystems(zhp, zfs_remove_link_cb, arg);
|
|
|
|
if (closezhp)
|
|
|
|
zfs_close(zhp);
|
|
|
|
return (rv);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Destroys all snapshots with the given name in zhp & descendants.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_destroy_snaps(zfs_handle_t *zhp, char *snapname)
|
|
|
|
{
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
int ret;
|
|
|
|
struct destroydata dd = { 0 };
|
|
|
|
|
|
|
|
dd.snapname = snapname;
|
|
|
|
(void) zfs_remove_link_cb(zhp, &dd);
|
|
|
|
|
|
|
|
if (!dd.gotone) {
|
|
|
|
return (zfs_standard_error_fmt(zhp->zfs_hdl, ENOENT,
|
|
|
|
dgettext(TEXT_DOMAIN, "cannot destroy '%s@%s'"),
|
|
|
|
zhp->zfs_name, snapname));
|
|
|
|
}
|
|
|
|
|
|
|
|
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
|
|
|
|
(void) strlcpy(zc.zc_value, snapname, sizeof (zc.zc_value));
|
|
|
|
|
|
|
|
ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_DESTROY_SNAPS, &zc);
|
|
|
|
if (ret != 0) {
|
|
|
|
char errbuf[1024];
|
|
|
|
|
|
|
|
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
|
|
|
|
"cannot destroy '%s@%s'"), zc.zc_name, snapname);
|
|
|
|
|
|
|
|
switch (errno) {
|
|
|
|
case EEXIST:
|
|
|
|
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"snapshot is cloned"));
|
|
|
|
return (zfs_error(zhp->zfs_hdl, EZFS_EXISTS, errbuf));
|
|
|
|
|
|
|
|
default:
|
|
|
|
return (zfs_standard_error(zhp->zfs_hdl, errno,
|
|
|
|
errbuf));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Clones the given dataset. The target must be of the same type as the source.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_clone(zfs_handle_t *zhp, const char *target, nvlist_t *props)
|
|
|
|
{
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
char parent[ZFS_MAXNAMELEN];
|
|
|
|
int ret;
|
|
|
|
char errbuf[1024];
|
|
|
|
libzfs_handle_t *hdl = zhp->zfs_hdl;
|
|
|
|
zfs_type_t type;
|
|
|
|
uint64_t zoned;
|
|
|
|
|
|
|
|
assert(zhp->zfs_type == ZFS_TYPE_SNAPSHOT);
|
|
|
|
|
|
|
|
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
|
|
|
|
"cannot create '%s'"), target);
|
|
|
|
|
|
|
|
/* validate the target name */
|
|
|
|
if (!zfs_validate_name(hdl, target, ZFS_TYPE_FILESYSTEM, B_TRUE))
|
|
|
|
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf));
|
|
|
|
|
|
|
|
/* validate parents exist */
|
|
|
|
if (check_parents(hdl, target, &zoned, B_FALSE, NULL) != 0)
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
(void) parent_name(target, parent, sizeof (parent));
|
|
|
|
|
|
|
|
/* do the clone */
|
|
|
|
if (ZFS_IS_VOLUME(zhp)) {
|
|
|
|
zc.zc_objset_type = DMU_OST_ZVOL;
|
|
|
|
type = ZFS_TYPE_VOLUME;
|
|
|
|
} else {
|
|
|
|
zc.zc_objset_type = DMU_OST_ZFS;
|
|
|
|
type = ZFS_TYPE_FILESYSTEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (props) {
|
2008-12-03 20:09:06 +00:00
|
|
|
if ((props = zfs_valid_proplist(hdl, type, props, zoned,
|
|
|
|
zhp, errbuf)) == NULL)
|
2008-11-20 20:01:55 +00:00
|
|
|
return (-1);
|
|
|
|
|
|
|
|
if (zcmd_write_src_nvlist(hdl, &zc, props) != 0) {
|
|
|
|
nvlist_free(props);
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
nvlist_free(props);
|
|
|
|
}
|
|
|
|
|
|
|
|
(void) strlcpy(zc.zc_name, target, sizeof (zc.zc_name));
|
|
|
|
(void) strlcpy(zc.zc_value, zhp->zfs_name, sizeof (zc.zc_value));
|
|
|
|
ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_CREATE, &zc);
|
|
|
|
|
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
|
|
|
|
if (ret != 0) {
|
|
|
|
switch (errno) {
|
|
|
|
|
|
|
|
case ENOENT:
|
|
|
|
/*
|
|
|
|
* The parent doesn't exist. We should have caught this
|
|
|
|
* above, but there may a race condition that has since
|
|
|
|
* destroyed the parent.
|
|
|
|
*
|
|
|
|
* At this point, we don't know whether it's the source
|
|
|
|
* that doesn't exist anymore, or whether the target
|
|
|
|
* dataset doesn't exist.
|
|
|
|
*/
|
|
|
|
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"no such parent '%s'"), parent);
|
|
|
|
return (zfs_error(zhp->zfs_hdl, EZFS_NOENT, errbuf));
|
|
|
|
|
|
|
|
case EXDEV:
|
|
|
|
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"source and target pools differ"));
|
|
|
|
return (zfs_error(zhp->zfs_hdl, EZFS_CROSSTARGET,
|
|
|
|
errbuf));
|
|
|
|
|
|
|
|
default:
|
|
|
|
return (zfs_standard_error(zhp->zfs_hdl, errno,
|
|
|
|
errbuf));
|
|
|
|
}
|
|
|
|
} else if (ZFS_IS_VOLUME(zhp)) {
|
|
|
|
ret = zvol_create_link(zhp->zfs_hdl, target);
|
|
|
|
}
|
|
|
|
|
|
|
|
return (ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
typedef struct promote_data {
|
|
|
|
char cb_mountpoint[MAXPATHLEN];
|
|
|
|
const char *cb_target;
|
|
|
|
const char *cb_errbuf;
|
|
|
|
uint64_t cb_pivot_txg;
|
|
|
|
} promote_data_t;
|
|
|
|
|
|
|
|
static int
|
|
|
|
promote_snap_cb(zfs_handle_t *zhp, void *data)
|
|
|
|
{
|
|
|
|
promote_data_t *pd = data;
|
|
|
|
zfs_handle_t *szhp;
|
|
|
|
char snapname[MAXPATHLEN];
|
|
|
|
int rv = 0;
|
|
|
|
|
|
|
|
/* We don't care about snapshots after the pivot point */
|
|
|
|
if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > pd->cb_pivot_txg) {
|
|
|
|
zfs_close(zhp);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Remove the device link if it's a zvol. */
|
|
|
|
if (ZFS_IS_VOLUME(zhp))
|
|
|
|
(void) zvol_remove_link(zhp->zfs_hdl, zhp->zfs_name);
|
|
|
|
|
|
|
|
/* Check for conflicting names */
|
|
|
|
(void) strlcpy(snapname, pd->cb_target, sizeof (snapname));
|
|
|
|
(void) strlcat(snapname, strchr(zhp->zfs_name, '@'), sizeof (snapname));
|
|
|
|
szhp = make_dataset_handle(zhp->zfs_hdl, snapname);
|
|
|
|
if (szhp != NULL) {
|
|
|
|
zfs_close(szhp);
|
|
|
|
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"snapshot name '%s' from origin \n"
|
|
|
|
"conflicts with '%s' from target"),
|
|
|
|
zhp->zfs_name, snapname);
|
|
|
|
rv = zfs_error(zhp->zfs_hdl, EZFS_EXISTS, pd->cb_errbuf);
|
|
|
|
}
|
|
|
|
zfs_close(zhp);
|
|
|
|
return (rv);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
promote_snap_done_cb(zfs_handle_t *zhp, void *data)
|
|
|
|
{
|
|
|
|
promote_data_t *pd = data;
|
|
|
|
|
|
|
|
/* We don't care about snapshots after the pivot point */
|
|
|
|
if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) <= pd->cb_pivot_txg) {
|
|
|
|
/* Create the device link if it's a zvol. */
|
|
|
|
if (ZFS_IS_VOLUME(zhp))
|
|
|
|
(void) zvol_create_link(zhp->zfs_hdl, zhp->zfs_name);
|
|
|
|
}
|
|
|
|
|
|
|
|
zfs_close(zhp);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Promotes the given clone fs to be the clone parent.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_promote(zfs_handle_t *zhp)
|
|
|
|
{
|
|
|
|
libzfs_handle_t *hdl = zhp->zfs_hdl;
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
char parent[MAXPATHLEN];
|
|
|
|
char *cp;
|
|
|
|
int ret;
|
|
|
|
zfs_handle_t *pzhp;
|
|
|
|
promote_data_t pd;
|
|
|
|
char errbuf[1024];
|
|
|
|
|
|
|
|
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
|
|
|
|
"cannot promote '%s'"), zhp->zfs_name);
|
|
|
|
|
|
|
|
if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"snapshots can not be promoted"));
|
|
|
|
return (zfs_error(hdl, EZFS_BADTYPE, errbuf));
|
|
|
|
}
|
|
|
|
|
|
|
|
(void) strlcpy(parent, zhp->zfs_dmustats.dds_origin, sizeof (parent));
|
|
|
|
if (parent[0] == '\0') {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"not a cloned filesystem"));
|
|
|
|
return (zfs_error(hdl, EZFS_BADTYPE, errbuf));
|
|
|
|
}
|
|
|
|
cp = strchr(parent, '@');
|
|
|
|
*cp = '\0';
|
|
|
|
|
|
|
|
/* Walk the snapshots we will be moving */
|
|
|
|
pzhp = zfs_open(hdl, zhp->zfs_dmustats.dds_origin, ZFS_TYPE_SNAPSHOT);
|
|
|
|
if (pzhp == NULL)
|
|
|
|
return (-1);
|
|
|
|
pd.cb_pivot_txg = zfs_prop_get_int(pzhp, ZFS_PROP_CREATETXG);
|
|
|
|
zfs_close(pzhp);
|
|
|
|
pd.cb_target = zhp->zfs_name;
|
|
|
|
pd.cb_errbuf = errbuf;
|
|
|
|
pzhp = zfs_open(hdl, parent, ZFS_TYPE_DATASET);
|
|
|
|
if (pzhp == NULL)
|
|
|
|
return (-1);
|
|
|
|
(void) zfs_prop_get(pzhp, ZFS_PROP_MOUNTPOINT, pd.cb_mountpoint,
|
|
|
|
sizeof (pd.cb_mountpoint), NULL, NULL, 0, FALSE);
|
|
|
|
ret = zfs_iter_snapshots(pzhp, promote_snap_cb, &pd);
|
|
|
|
if (ret != 0) {
|
|
|
|
zfs_close(pzhp);
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* issue the ioctl */
|
|
|
|
(void) strlcpy(zc.zc_value, zhp->zfs_dmustats.dds_origin,
|
|
|
|
sizeof (zc.zc_value));
|
|
|
|
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
|
|
|
|
ret = zfs_ioctl(hdl, ZFS_IOC_PROMOTE, &zc);
|
|
|
|
|
|
|
|
if (ret != 0) {
|
|
|
|
int save_errno = errno;
|
|
|
|
|
|
|
|
(void) zfs_iter_snapshots(pzhp, promote_snap_done_cb, &pd);
|
|
|
|
zfs_close(pzhp);
|
|
|
|
|
|
|
|
switch (save_errno) {
|
|
|
|
case EEXIST:
|
|
|
|
/*
|
|
|
|
* There is a conflicting snapshot name. We
|
|
|
|
* should have caught this above, but they could
|
|
|
|
* have renamed something in the mean time.
|
|
|
|
*/
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"conflicting snapshot name from parent '%s'"),
|
|
|
|
parent);
|
|
|
|
return (zfs_error(hdl, EZFS_EXISTS, errbuf));
|
|
|
|
|
|
|
|
default:
|
|
|
|
return (zfs_standard_error(hdl, save_errno, errbuf));
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
(void) zfs_iter_snapshots(zhp, promote_snap_done_cb, &pd);
|
|
|
|
}
|
|
|
|
|
|
|
|
zfs_close(pzhp);
|
|
|
|
return (ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
struct createdata {
|
|
|
|
const char *cd_snapname;
|
|
|
|
int cd_ifexists;
|
|
|
|
};
|
|
|
|
|
|
|
|
static int
|
|
|
|
zfs_create_link_cb(zfs_handle_t *zhp, void *arg)
|
|
|
|
{
|
|
|
|
struct createdata *cd = arg;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (zhp->zfs_type == ZFS_TYPE_VOLUME) {
|
|
|
|
char name[MAXPATHLEN];
|
|
|
|
|
|
|
|
(void) strlcpy(name, zhp->zfs_name, sizeof (name));
|
|
|
|
(void) strlcat(name, "@", sizeof (name));
|
|
|
|
(void) strlcat(name, cd->cd_snapname, sizeof (name));
|
|
|
|
(void) zvol_create_link_common(zhp->zfs_hdl, name,
|
|
|
|
cd->cd_ifexists);
|
|
|
|
/*
|
|
|
|
* NB: this is simply a best-effort. We don't want to
|
|
|
|
* return an error, because then we wouldn't visit all
|
|
|
|
* the volumes.
|
|
|
|
*/
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = zfs_iter_filesystems(zhp, zfs_create_link_cb, cd);
|
|
|
|
|
|
|
|
zfs_close(zhp);
|
|
|
|
|
|
|
|
return (ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Takes a snapshot of the given dataset.
|
|
|
|
*/
|
|
|
|
int
|
2008-12-03 20:09:06 +00:00
|
|
|
zfs_snapshot(libzfs_handle_t *hdl, const char *path, boolean_t recursive,
|
|
|
|
nvlist_t *props)
|
2008-11-20 20:01:55 +00:00
|
|
|
{
|
|
|
|
const char *delim;
|
2008-12-03 20:09:06 +00:00
|
|
|
char parent[ZFS_MAXNAMELEN];
|
2008-11-20 20:01:55 +00:00
|
|
|
zfs_handle_t *zhp;
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
int ret;
|
|
|
|
char errbuf[1024];
|
|
|
|
|
|
|
|
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
|
|
|
|
"cannot snapshot '%s'"), path);
|
|
|
|
|
|
|
|
/* validate the target name */
|
|
|
|
if (!zfs_validate_name(hdl, path, ZFS_TYPE_SNAPSHOT, B_TRUE))
|
|
|
|
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf));
|
|
|
|
|
2008-12-03 20:09:06 +00:00
|
|
|
if (props) {
|
|
|
|
if ((props = zfs_valid_proplist(hdl, ZFS_TYPE_SNAPSHOT,
|
|
|
|
props, B_FALSE, NULL, errbuf)) == NULL)
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
if (zcmd_write_src_nvlist(hdl, &zc, props) != 0) {
|
|
|
|
nvlist_free(props);
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
nvlist_free(props);
|
|
|
|
}
|
|
|
|
|
2008-11-20 20:01:55 +00:00
|
|
|
/* make sure the parent exists and is of the appropriate type */
|
|
|
|
delim = strchr(path, '@');
|
|
|
|
(void) strncpy(parent, path, delim - path);
|
|
|
|
parent[delim - path] = '\0';
|
|
|
|
|
|
|
|
if ((zhp = zfs_open(hdl, parent, ZFS_TYPE_FILESYSTEM |
|
|
|
|
ZFS_TYPE_VOLUME)) == NULL) {
|
2008-12-03 20:09:06 +00:00
|
|
|
zcmd_free_nvlists(&zc);
|
2008-11-20 20:01:55 +00:00
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
|
|
|
|
(void) strlcpy(zc.zc_value, delim+1, sizeof (zc.zc_value));
|
|
|
|
if (ZFS_IS_VOLUME(zhp))
|
|
|
|
zc.zc_objset_type = DMU_OST_ZVOL;
|
|
|
|
else
|
|
|
|
zc.zc_objset_type = DMU_OST_ZFS;
|
|
|
|
zc.zc_cookie = recursive;
|
|
|
|
ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_SNAPSHOT, &zc);
|
|
|
|
|
2008-12-03 20:09:06 +00:00
|
|
|
zcmd_free_nvlists(&zc);
|
|
|
|
|
2008-11-20 20:01:55 +00:00
|
|
|
/*
|
|
|
|
* if it was recursive, the one that actually failed will be in
|
|
|
|
* zc.zc_name.
|
|
|
|
*/
|
|
|
|
if (ret != 0)
|
|
|
|
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
|
|
|
|
"cannot create snapshot '%s@%s'"), zc.zc_name, zc.zc_value);
|
|
|
|
|
|
|
|
if (ret == 0 && recursive) {
|
|
|
|
struct createdata cd;
|
|
|
|
|
|
|
|
cd.cd_snapname = delim + 1;
|
|
|
|
cd.cd_ifexists = B_FALSE;
|
|
|
|
(void) zfs_iter_filesystems(zhp, zfs_create_link_cb, &cd);
|
|
|
|
}
|
|
|
|
if (ret == 0 && zhp->zfs_type == ZFS_TYPE_VOLUME) {
|
|
|
|
ret = zvol_create_link(zhp->zfs_hdl, path);
|
|
|
|
if (ret != 0) {
|
|
|
|
(void) zfs_standard_error(hdl, errno,
|
|
|
|
dgettext(TEXT_DOMAIN,
|
|
|
|
"Volume successfully snapshotted, but device links "
|
|
|
|
"were not created"));
|
|
|
|
zfs_close(zhp);
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ret != 0)
|
|
|
|
(void) zfs_standard_error(hdl, errno, errbuf);
|
|
|
|
|
|
|
|
zfs_close(zhp);
|
|
|
|
|
|
|
|
return (ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Destroy any more recent snapshots. We invoke this callback on any dependents
|
|
|
|
* of the snapshot first. If the 'cb_dependent' member is non-zero, then this
|
|
|
|
* is a dependent and we should just destroy it without checking the transaction
|
|
|
|
* group.
|
|
|
|
*/
|
|
|
|
typedef struct rollback_data {
|
|
|
|
const char *cb_target; /* the snapshot */
|
|
|
|
uint64_t cb_create; /* creation time reference */
|
|
|
|
boolean_t cb_error;
|
|
|
|
boolean_t cb_dependent;
|
|
|
|
boolean_t cb_force;
|
|
|
|
} rollback_data_t;
|
|
|
|
|
|
|
|
static int
|
|
|
|
rollback_destroy(zfs_handle_t *zhp, void *data)
|
|
|
|
{
|
|
|
|
rollback_data_t *cbp = data;
|
|
|
|
|
|
|
|
if (!cbp->cb_dependent) {
|
|
|
|
if (strcmp(zhp->zfs_name, cbp->cb_target) != 0 &&
|
|
|
|
zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT &&
|
|
|
|
zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) >
|
|
|
|
cbp->cb_create) {
|
|
|
|
char *logstr;
|
|
|
|
|
|
|
|
cbp->cb_dependent = B_TRUE;
|
|
|
|
cbp->cb_error |= zfs_iter_dependents(zhp, B_FALSE,
|
|
|
|
rollback_destroy, cbp);
|
|
|
|
cbp->cb_dependent = B_FALSE;
|
|
|
|
|
|
|
|
logstr = zhp->zfs_hdl->libzfs_log_str;
|
|
|
|
zhp->zfs_hdl->libzfs_log_str = NULL;
|
|
|
|
cbp->cb_error |= zfs_destroy(zhp);
|
|
|
|
zhp->zfs_hdl->libzfs_log_str = logstr;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
/* We must destroy this clone; first unmount it */
|
|
|
|
prop_changelist_t *clp;
|
|
|
|
|
2008-12-03 20:09:06 +00:00
|
|
|
clp = changelist_gather(zhp, ZFS_PROP_NAME, 0,
|
2008-11-20 20:01:55 +00:00
|
|
|
cbp->cb_force ? MS_FORCE: 0);
|
|
|
|
if (clp == NULL || changelist_prefix(clp) != 0) {
|
|
|
|
cbp->cb_error = B_TRUE;
|
|
|
|
zfs_close(zhp);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
if (zfs_destroy(zhp) != 0)
|
|
|
|
cbp->cb_error = B_TRUE;
|
|
|
|
else
|
|
|
|
changelist_remove(clp, zhp->zfs_name);
|
|
|
|
(void) changelist_postfix(clp);
|
|
|
|
changelist_free(clp);
|
|
|
|
}
|
|
|
|
|
|
|
|
zfs_close(zhp);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Given a dataset, rollback to a specific snapshot, discarding any
|
|
|
|
* data changes since then and making it the active dataset.
|
|
|
|
*
|
|
|
|
* Any snapshots more recent than the target are destroyed, along with
|
|
|
|
* their dependents.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_rollback(zfs_handle_t *zhp, zfs_handle_t *snap, boolean_t force)
|
|
|
|
{
|
|
|
|
rollback_data_t cb = { 0 };
|
|
|
|
int err;
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
boolean_t restore_resv = 0;
|
2008-11-20 22:04:00 +00:00
|
|
|
uint64_t old_volsize = 0, new_volsize;
|
2008-11-20 20:01:55 +00:00
|
|
|
zfs_prop_t resv_prop;
|
|
|
|
|
|
|
|
assert(zhp->zfs_type == ZFS_TYPE_FILESYSTEM ||
|
|
|
|
zhp->zfs_type == ZFS_TYPE_VOLUME);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Destroy all recent snapshots and its dependends.
|
|
|
|
*/
|
|
|
|
cb.cb_force = force;
|
|
|
|
cb.cb_target = snap->zfs_name;
|
|
|
|
cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG);
|
|
|
|
(void) zfs_iter_children(zhp, rollback_destroy, &cb);
|
|
|
|
|
|
|
|
if (cb.cb_error)
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Now that we have verified that the snapshot is the latest,
|
|
|
|
* rollback to the given snapshot.
|
|
|
|
*/
|
|
|
|
|
|
|
|
if (zhp->zfs_type == ZFS_TYPE_VOLUME) {
|
|
|
|
if (zvol_remove_link(zhp->zfs_hdl, zhp->zfs_name) != 0)
|
|
|
|
return (-1);
|
|
|
|
if (zfs_which_resv_prop(zhp, &resv_prop) < 0)
|
|
|
|
return (-1);
|
|
|
|
old_volsize = zfs_prop_get_int(zhp, ZFS_PROP_VOLSIZE);
|
|
|
|
restore_resv =
|
|
|
|
(old_volsize == zfs_prop_get_int(zhp, resv_prop));
|
|
|
|
}
|
|
|
|
|
|
|
|
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
|
|
|
|
|
|
|
|
if (ZFS_IS_VOLUME(zhp))
|
|
|
|
zc.zc_objset_type = DMU_OST_ZVOL;
|
|
|
|
else
|
|
|
|
zc.zc_objset_type = DMU_OST_ZFS;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* We rely on zfs_iter_children() to verify that there are no
|
|
|
|
* newer snapshots for the given dataset. Therefore, we can
|
|
|
|
* simply pass the name on to the ioctl() call. There is still
|
|
|
|
* an unlikely race condition where the user has taken a
|
|
|
|
* snapshot since we verified that this was the most recent.
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
if ((err = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_ROLLBACK, &zc)) != 0) {
|
|
|
|
(void) zfs_standard_error_fmt(zhp->zfs_hdl, errno,
|
|
|
|
dgettext(TEXT_DOMAIN, "cannot rollback '%s'"),
|
|
|
|
zhp->zfs_name);
|
|
|
|
return (err);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* For volumes, if the pre-rollback volsize matched the pre-
|
|
|
|
* rollback reservation and the volsize has changed then set
|
|
|
|
* the reservation property to the post-rollback volsize.
|
|
|
|
* Make a new handle since the rollback closed the dataset.
|
|
|
|
*/
|
|
|
|
if ((zhp->zfs_type == ZFS_TYPE_VOLUME) &&
|
|
|
|
(zhp = make_dataset_handle(zhp->zfs_hdl, zhp->zfs_name))) {
|
2008-12-05 17:09:02 +00:00
|
|
|
if ((err = zvol_create_link(zhp->zfs_hdl, zhp->zfs_name))) {
|
2008-11-20 20:01:55 +00:00
|
|
|
zfs_close(zhp);
|
|
|
|
return (err);
|
|
|
|
}
|
|
|
|
if (restore_resv) {
|
|
|
|
new_volsize = zfs_prop_get_int(zhp, ZFS_PROP_VOLSIZE);
|
|
|
|
if (old_volsize != new_volsize)
|
|
|
|
err = zfs_prop_set_int(zhp, resv_prop,
|
|
|
|
new_volsize);
|
|
|
|
}
|
|
|
|
zfs_close(zhp);
|
|
|
|
}
|
|
|
|
return (err);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Iterate over all dependents for a given dataset. This includes both
|
|
|
|
* hierarchical dependents (children) and data dependents (snapshots and
|
|
|
|
* clones). The bulk of the processing occurs in get_dependents() in
|
|
|
|
* libzfs_graph.c.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_iter_dependents(zfs_handle_t *zhp, boolean_t allowrecursion,
|
|
|
|
zfs_iter_f func, void *data)
|
|
|
|
{
|
|
|
|
char **dependents;
|
|
|
|
size_t count;
|
|
|
|
int i;
|
|
|
|
zfs_handle_t *child;
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
if (get_dependents(zhp->zfs_hdl, allowrecursion, zhp->zfs_name,
|
|
|
|
&dependents, &count) != 0)
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
for (i = 0; i < count; i++) {
|
|
|
|
if ((child = make_dataset_handle(zhp->zfs_hdl,
|
|
|
|
dependents[i])) == NULL)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if ((ret = func(child, data)) != 0)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < count; i++)
|
|
|
|
free(dependents[i]);
|
|
|
|
free(dependents);
|
|
|
|
|
|
|
|
return (ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Renames the given dataset.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive)
|
|
|
|
{
|
|
|
|
int ret;
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
char *delim;
|
|
|
|
prop_changelist_t *cl = NULL;
|
|
|
|
zfs_handle_t *zhrp = NULL;
|
|
|
|
char *parentname = NULL;
|
|
|
|
char parent[ZFS_MAXNAMELEN];
|
|
|
|
libzfs_handle_t *hdl = zhp->zfs_hdl;
|
|
|
|
char errbuf[1024];
|
|
|
|
|
|
|
|
/* if we have the same exact name, just return success */
|
|
|
|
if (strcmp(zhp->zfs_name, target) == 0)
|
|
|
|
return (0);
|
|
|
|
|
|
|
|
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
|
|
|
|
"cannot rename to '%s'"), target);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure the target name is valid
|
|
|
|
*/
|
|
|
|
if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT) {
|
|
|
|
if ((strchr(target, '@') == NULL) ||
|
|
|
|
*target == '@') {
|
|
|
|
/*
|
|
|
|
* Snapshot target name is abbreviated,
|
|
|
|
* reconstruct full dataset name
|
|
|
|
*/
|
|
|
|
(void) strlcpy(parent, zhp->zfs_name,
|
|
|
|
sizeof (parent));
|
|
|
|
delim = strchr(parent, '@');
|
|
|
|
if (strchr(target, '@') == NULL)
|
|
|
|
*(++delim) = '\0';
|
|
|
|
else
|
|
|
|
*delim = '\0';
|
|
|
|
(void) strlcat(parent, target, sizeof (parent));
|
|
|
|
target = parent;
|
|
|
|
} else {
|
|
|
|
/*
|
|
|
|
* Make sure we're renaming within the same dataset.
|
|
|
|
*/
|
|
|
|
delim = strchr(target, '@');
|
|
|
|
if (strncmp(zhp->zfs_name, target, delim - target)
|
|
|
|
!= 0 || zhp->zfs_name[delim - target] != '@') {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"snapshots must be part of same "
|
|
|
|
"dataset"));
|
|
|
|
return (zfs_error(hdl, EZFS_CROSSTARGET,
|
|
|
|
errbuf));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (!zfs_validate_name(hdl, target, zhp->zfs_type, B_TRUE))
|
|
|
|
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf));
|
|
|
|
} else {
|
|
|
|
if (recursive) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"recursive rename must be a snapshot"));
|
|
|
|
return (zfs_error(hdl, EZFS_BADTYPE, errbuf));
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!zfs_validate_name(hdl, target, zhp->zfs_type, B_TRUE))
|
|
|
|
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf));
|
|
|
|
uint64_t unused;
|
|
|
|
|
|
|
|
/* validate parents */
|
|
|
|
if (check_parents(hdl, target, &unused, B_FALSE, NULL) != 0)
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
(void) parent_name(target, parent, sizeof (parent));
|
|
|
|
|
|
|
|
/* make sure we're in the same pool */
|
|
|
|
verify((delim = strchr(target, '/')) != NULL);
|
|
|
|
if (strncmp(zhp->zfs_name, target, delim - target) != 0 ||
|
|
|
|
zhp->zfs_name[delim - target] != '/') {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"datasets must be within same pool"));
|
|
|
|
return (zfs_error(hdl, EZFS_CROSSTARGET, errbuf));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* new name cannot be a child of the current dataset name */
|
|
|
|
if (strncmp(parent, zhp->zfs_name,
|
|
|
|
strlen(zhp->zfs_name)) == 0) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"New dataset name cannot be a descendent of "
|
|
|
|
"current dataset name"));
|
|
|
|
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
(void) snprintf(errbuf, sizeof (errbuf),
|
|
|
|
dgettext(TEXT_DOMAIN, "cannot rename '%s'"), zhp->zfs_name);
|
|
|
|
|
|
|
|
if (getzoneid() == GLOBAL_ZONEID &&
|
|
|
|
zfs_prop_get_int(zhp, ZFS_PROP_ZONED)) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"dataset is used in a non-global zone"));
|
|
|
|
return (zfs_error(hdl, EZFS_ZONED, errbuf));
|
|
|
|
}
|
|
|
|
|
|
|
|
if (recursive) {
|
|
|
|
struct destroydata dd;
|
|
|
|
|
|
|
|
parentname = zfs_strdup(zhp->zfs_hdl, zhp->zfs_name);
|
|
|
|
if (parentname == NULL) {
|
|
|
|
ret = -1;
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
delim = strchr(parentname, '@');
|
|
|
|
*delim = '\0';
|
|
|
|
zhrp = zfs_open(zhp->zfs_hdl, parentname, ZFS_TYPE_DATASET);
|
|
|
|
if (zhrp == NULL) {
|
|
|
|
ret = -1;
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
dd.snapname = delim + 1;
|
|
|
|
dd.gotone = B_FALSE;
|
|
|
|
dd.closezhp = B_TRUE;
|
|
|
|
|
|
|
|
/* We remove any zvol links prior to renaming them */
|
|
|
|
ret = zfs_iter_filesystems(zhrp, zfs_remove_link_cb, &dd);
|
|
|
|
if (ret) {
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
} else {
|
2008-12-03 20:09:06 +00:00
|
|
|
if ((cl = changelist_gather(zhp, ZFS_PROP_NAME, 0, 0)) == NULL)
|
2008-11-20 20:01:55 +00:00
|
|
|
return (-1);
|
|
|
|
|
|
|
|
if (changelist_haszonedchild(cl)) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"child dataset with inherited mountpoint is used "
|
|
|
|
"in a non-global zone"));
|
|
|
|
(void) zfs_error(hdl, EZFS_ZONED, errbuf);
|
2008-11-20 22:04:00 +00:00
|
|
|
ret = -1;
|
2008-11-20 20:01:55 +00:00
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((ret = changelist_prefix(cl)) != 0)
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ZFS_IS_VOLUME(zhp))
|
|
|
|
zc.zc_objset_type = DMU_OST_ZVOL;
|
|
|
|
else
|
|
|
|
zc.zc_objset_type = DMU_OST_ZFS;
|
|
|
|
|
|
|
|
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
|
|
|
|
(void) strlcpy(zc.zc_value, target, sizeof (zc.zc_value));
|
|
|
|
|
|
|
|
zc.zc_cookie = recursive;
|
|
|
|
|
|
|
|
if ((ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_RENAME, &zc)) != 0) {
|
|
|
|
/*
|
|
|
|
* if it was recursive, the one that actually failed will
|
|
|
|
* be in zc.zc_name
|
|
|
|
*/
|
|
|
|
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
|
|
|
|
"cannot rename '%s'"), zc.zc_name);
|
|
|
|
|
|
|
|
if (recursive && errno == EEXIST) {
|
|
|
|
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
|
|
|
"a child dataset already has a snapshot "
|
|
|
|
"with the new name"));
|
|
|
|
(void) zfs_error(hdl, EZFS_EXISTS, errbuf);
|
|
|
|
} else {
|
|
|
|
(void) zfs_standard_error(zhp->zfs_hdl, errno, errbuf);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* On failure, we still want to remount any filesystems that
|
|
|
|
* were previously mounted, so we don't alter the system state.
|
|
|
|
*/
|
|
|
|
if (recursive) {
|
|
|
|
struct createdata cd;
|
|
|
|
|
|
|
|
/* only create links for datasets that had existed */
|
|
|
|
cd.cd_snapname = delim + 1;
|
|
|
|
cd.cd_ifexists = B_TRUE;
|
|
|
|
(void) zfs_iter_filesystems(zhrp, zfs_create_link_cb,
|
|
|
|
&cd);
|
|
|
|
} else {
|
|
|
|
(void) changelist_postfix(cl);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if (recursive) {
|
|
|
|
struct createdata cd;
|
|
|
|
|
|
|
|
/* only create links for datasets that had existed */
|
|
|
|
cd.cd_snapname = strchr(target, '@') + 1;
|
|
|
|
cd.cd_ifexists = B_TRUE;
|
|
|
|
ret = zfs_iter_filesystems(zhrp, zfs_create_link_cb,
|
|
|
|
&cd);
|
|
|
|
} else {
|
|
|
|
changelist_rename(cl, zfs_get_name(zhp), target);
|
|
|
|
ret = changelist_postfix(cl);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
error:
|
|
|
|
if (parentname) {
|
|
|
|
free(parentname);
|
|
|
|
}
|
|
|
|
if (zhrp) {
|
|
|
|
zfs_close(zhrp);
|
|
|
|
}
|
|
|
|
if (cl) {
|
|
|
|
changelist_free(cl);
|
|
|
|
}
|
|
|
|
return (ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Given a zvol dataset, issue the ioctl to create the appropriate minor node,
|
|
|
|
* poke devfsadm to create the /dev link, and then wait for the link to appear.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zvol_create_link(libzfs_handle_t *hdl, const char *dataset)
|
|
|
|
{
|
|
|
|
return (zvol_create_link_common(hdl, dataset, B_FALSE));
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
zvol_create_link_common(libzfs_handle_t *hdl, const char *dataset, int ifexists)
|
|
|
|
{
|
2008-12-05 18:33:53 +00:00
|
|
|
#if !defined(HAVE_ZVOL)
|
|
|
|
return (zfs_standard_error_fmt(hdl, ENOTSUP,
|
|
|
|
dgettext(TEXT_DOMAIN, "cannot create device links "
|
|
|
|
"for '%s'"), dataset));
|
|
|
|
#else
|
2008-11-20 20:01:55 +00:00
|
|
|
zfs_cmd_t zc = { 0 };
|
|
|
|
di_devlink_handle_t dhdl;
|
|
|
|
priv_set_t *priv_effective;
|
|
|
|
int privileged;
|
|
|
|
|
|
|
|
(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name));
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Issue the appropriate ioctl.
|
|
|
|
*/
|
|
|
|
if (ioctl(hdl->libzfs_fd, ZFS_IOC_CREATE_MINOR, &zc) != 0) {
|
|
|
|
switch (errno) {
|
|
|
|
case EEXIST:
|
|
|
|
/*
|
|
|
|
* Silently ignore the case where the link already
|
|
|
|
* exists. This allows 'zfs volinit' to be run multiple
|
|
|
|
* times without errors.
|
|
|
|
*/
|
|
|
|
return (0);
|
|
|
|
|
|
|
|
case ENOENT:
|
|
|
|
/*
|
|
|
|
* Dataset does not exist in the kernel. If we
|
|
|
|
* don't care (see zfs_rename), then ignore the
|
|
|
|
* error quietly.
|
|
|
|
*/
|
|
|
|
if (ifexists) {
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* FALLTHROUGH */
|
|
|
|
|
|
|
|
default:
|
|
|
|
return (zfs_standard_error_fmt(hdl, errno,
|
|
|
|
dgettext(TEXT_DOMAIN, "cannot create device links "
|
|
|
|
"for '%s'"), dataset));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If privileged call devfsadm and wait for the links to
|
|
|
|
* magically appear.
|
|
|
|
* Otherwise, print out an informational message.
|
|
|
|
*/
|
|
|
|
|
|
|
|
priv_effective = priv_allocset();
|
|
|
|
(void) getppriv(PRIV_EFFECTIVE, priv_effective);
|
|
|
|
privileged = (priv_isfullset(priv_effective) == B_TRUE);
|
|
|
|
priv_freeset(priv_effective);
|
|
|
|
|
|
|
|
if (privileged) {
|
|
|
|
if ((dhdl = di_devlink_init(ZFS_DRIVER,
|
|
|
|
DI_MAKE_LINK)) == NULL) {
|
|
|
|
zfs_error_aux(hdl, strerror(errno));
|
2008-12-03 20:09:06 +00:00
|
|
|
(void) zfs_error_fmt(hdl, errno,
|
2008-11-20 20:01:55 +00:00
|
|
|
dgettext(TEXT_DOMAIN, "cannot create device links "
|
|
|
|
"for '%s'"), dataset);
|
|
|
|
(void) ioctl(hdl->libzfs_fd, ZFS_IOC_REMOVE_MINOR, &zc);
|
|
|
|
return (-1);
|
|
|
|
} else {
|
|
|
|
(void) di_devlink_fini(&dhdl);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
char pathname[MAXPATHLEN];
|
|
|
|
struct stat64 statbuf;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
#define MAX_WAIT 10
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This is the poor mans way of waiting for the link
|
|
|
|
* to show up. If after 10 seconds we still don't
|
|
|
|
* have it, then print out a message.
|
|
|
|
*/
|
|
|
|
(void) snprintf(pathname, sizeof (pathname), "/dev/zvol/dsk/%s",
|
|
|
|
dataset);
|
|
|
|
|
|
|
|
for (i = 0; i != MAX_WAIT; i++) {
|
|
|
|
if (stat64(pathname, &statbuf) == 0)
|
|
|
|
break;
|
|
|
|
(void) sleep(1);
|
|
|
|
}
|
|
|
|
if (i == MAX_WAIT)
|
|
|
|
(void) printf(gettext("%s may not be immediately "
|
|
|
|
"available\n"), pathname);
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
2008-12-05 18:33:53 +00:00
|
|
|
#endif
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Remove a minor node for the given zvol and the associated /dev links.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zvol_remove_link(libzfs_handle_t *hdl, const char *dataset)
|
|
|
|
{
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
|
|
|
|
(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name));
|
|
|
|
|
|
|
|
if (ioctl(hdl->libzfs_fd, ZFS_IOC_REMOVE_MINOR, &zc) != 0) {
|
|
|
|
switch (errno) {
|
|
|
|
case ENXIO:
|
|
|
|
/*
|
|
|
|
* Silently ignore the case where the link no longer
|
|
|
|
* exists, so that 'zfs volfini' can be run multiple
|
|
|
|
* times without errors.
|
|
|
|
*/
|
|
|
|
return (0);
|
|
|
|
|
|
|
|
default:
|
|
|
|
return (zfs_standard_error_fmt(hdl, errno,
|
|
|
|
dgettext(TEXT_DOMAIN, "cannot remove device "
|
|
|
|
"links for '%s'"), dataset));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
nvlist_t *
|
|
|
|
zfs_get_user_props(zfs_handle_t *zhp)
|
|
|
|
{
|
|
|
|
return (zhp->zfs_user_props);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This function is used by 'zfs list' to determine the exact set of columns to
|
|
|
|
* display, and their maximum widths. This does two main things:
|
|
|
|
*
|
|
|
|
* - If this is a list of all properties, then expand the list to include
|
|
|
|
* all native properties, and set a flag so that for each dataset we look
|
|
|
|
* for new unique user properties and add them to the list.
|
|
|
|
*
|
|
|
|
* - For non fixed-width properties, keep track of the maximum width seen
|
|
|
|
* so that we can size the column appropriately.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
zfs_expand_proplist(zfs_handle_t *zhp, zprop_list_t **plp)
|
|
|
|
{
|
|
|
|
libzfs_handle_t *hdl = zhp->zfs_hdl;
|
|
|
|
zprop_list_t *entry;
|
|
|
|
zprop_list_t **last, **start;
|
|
|
|
nvlist_t *userprops, *propval;
|
|
|
|
nvpair_t *elem;
|
|
|
|
char *strval;
|
|
|
|
char buf[ZFS_MAXPROPLEN];
|
|
|
|
|
|
|
|
if (zprop_expand_list(hdl, plp, ZFS_TYPE_DATASET) != 0)
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
userprops = zfs_get_user_props(zhp);
|
|
|
|
|
|
|
|
entry = *plp;
|
|
|
|
if (entry->pl_all && nvlist_next_nvpair(userprops, NULL) != NULL) {
|
|
|
|
/*
|
|
|
|
* Go through and add any user properties as necessary. We
|
|
|
|
* start by incrementing our list pointer to the first
|
|
|
|
* non-native property.
|
|
|
|
*/
|
|
|
|
start = plp;
|
|
|
|
while (*start != NULL) {
|
|
|
|
if ((*start)->pl_prop == ZPROP_INVAL)
|
|
|
|
break;
|
|
|
|
start = &(*start)->pl_next;
|
|
|
|
}
|
|
|
|
|
|
|
|
elem = NULL;
|
|
|
|
while ((elem = nvlist_next_nvpair(userprops, elem)) != NULL) {
|
|
|
|
/*
|
|
|
|
* See if we've already found this property in our list.
|
|
|
|
*/
|
|
|
|
for (last = start; *last != NULL;
|
|
|
|
last = &(*last)->pl_next) {
|
|
|
|
if (strcmp((*last)->pl_user_prop,
|
|
|
|
nvpair_name(elem)) == 0)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (*last == NULL) {
|
|
|
|
if ((entry = zfs_alloc(hdl,
|
|
|
|
sizeof (zprop_list_t))) == NULL ||
|
|
|
|
((entry->pl_user_prop = zfs_strdup(hdl,
|
|
|
|
nvpair_name(elem)))) == NULL) {
|
|
|
|
free(entry);
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
entry->pl_prop = ZPROP_INVAL;
|
|
|
|
entry->pl_width = strlen(nvpair_name(elem));
|
|
|
|
entry->pl_all = B_TRUE;
|
|
|
|
*last = entry;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Now go through and check the width of any non-fixed columns
|
|
|
|
*/
|
|
|
|
for (entry = *plp; entry != NULL; entry = entry->pl_next) {
|
|
|
|
if (entry->pl_fixed)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (entry->pl_prop != ZPROP_INVAL) {
|
|
|
|
if (zfs_prop_get(zhp, entry->pl_prop,
|
|
|
|
buf, sizeof (buf), NULL, NULL, 0, B_FALSE) == 0) {
|
|
|
|
if (strlen(buf) > entry->pl_width)
|
|
|
|
entry->pl_width = strlen(buf);
|
|
|
|
}
|
|
|
|
} else if (nvlist_lookup_nvlist(userprops,
|
|
|
|
entry->pl_user_prop, &propval) == 0) {
|
|
|
|
verify(nvlist_lookup_string(propval,
|
|
|
|
ZPROP_VALUE, &strval) == 0);
|
|
|
|
if (strlen(strval) > entry->pl_width)
|
|
|
|
entry->pl_width = strlen(strval);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
zfs_iscsi_perm_check(libzfs_handle_t *hdl, char *dataset, ucred_t *cred)
|
|
|
|
{
|
2008-12-05 18:33:53 +00:00
|
|
|
#if !defined(HAVE_ZVOL)
|
|
|
|
return (ENOTSUP);
|
|
|
|
#else
|
2008-11-20 20:01:55 +00:00
|
|
|
zfs_cmd_t zc = { 0 };
|
|
|
|
nvlist_t *nvp;
|
|
|
|
gid_t gid;
|
|
|
|
uid_t uid;
|
|
|
|
const gid_t *groups;
|
|
|
|
int group_cnt;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
if (nvlist_alloc(&nvp, NV_UNIQUE_NAME, 0) != 0)
|
|
|
|
return (no_memory(hdl));
|
|
|
|
|
|
|
|
uid = ucred_geteuid(cred);
|
|
|
|
gid = ucred_getegid(cred);
|
|
|
|
group_cnt = ucred_getgroups(cred, &groups);
|
|
|
|
|
|
|
|
if (uid == (uid_t)-1 || gid == (uid_t)-1 || group_cnt == (uid_t)-1)
|
|
|
|
return (1);
|
|
|
|
|
|
|
|
if (nvlist_add_uint32(nvp, ZFS_DELEG_PERM_UID, uid) != 0) {
|
|
|
|
nvlist_free(nvp);
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (nvlist_add_uint32(nvp, ZFS_DELEG_PERM_GID, gid) != 0) {
|
|
|
|
nvlist_free(nvp);
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (nvlist_add_uint32_array(nvp,
|
|
|
|
ZFS_DELEG_PERM_GROUPS, (uint32_t *)groups, group_cnt) != 0) {
|
|
|
|
nvlist_free(nvp);
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name));
|
|
|
|
|
|
|
|
if (zcmd_write_src_nvlist(hdl, &zc, nvp))
|
|
|
|
return (-1);
|
|
|
|
|
|
|
|
error = ioctl(hdl->libzfs_fd, ZFS_IOC_ISCSI_PERM_CHECK, &zc);
|
|
|
|
nvlist_free(nvp);
|
|
|
|
return (error);
|
2008-12-05 18:33:53 +00:00
|
|
|
#endif
|
2008-11-20 20:01:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
zfs_deleg_share_nfs(libzfs_handle_t *hdl, char *dataset, char *path,
|
|
|
|
void *export, void *sharetab, int sharemax, zfs_share_op_t operation)
|
|
|
|
{
|
2009-03-12 03:52:21 +00:00
|
|
|
zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
|
2008-11-20 20:01:55 +00:00
|
|
|
int error;
|
|
|
|
|
|
|
|
(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name));
|
|
|
|
(void) strlcpy(zc.zc_value, path, sizeof (zc.zc_value));
|
|
|
|
zc.zc_share.z_sharedata = (uint64_t)(uintptr_t)sharetab;
|
|
|
|
zc.zc_share.z_exportdata = (uint64_t)(uintptr_t)export;
|
|
|
|
zc.zc_share.z_sharetype = operation;
|
|
|
|
zc.zc_share.z_sharemax = sharemax;
|
|
|
|
|
|
|
|
error = ioctl(hdl->libzfs_fd, ZFS_IOC_SHARE, &zc);
|
|
|
|
return (error);
|
|
|
|
}
|