#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#

#
# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#

#
# Copyright (c) 2013, 2016 by Delphix. All rights reserved.
# Copyright 2016 Nexenta Systems, Inc.
#

. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/delegate/delegate.cfg

#
# Cleanup exist user/group.
#
function cleanup_user_group
{
	typeset i
	for i in $STAFF1 $STAFF2 $OTHER1 $OTHER2 ; do
		del_user $i
	done
	for i in $STAFF_GROUP $OTHER_GROUP ; do
		del_group $i
	done

	return 0
}

#
# Restore test file system to the original status.
#
function restore_root_datasets
{
	if datasetexists $ROOT_TESTFS ; then
		log_must zfs destroy -Rf $ROOT_TESTFS
	fi
	log_must zfs create $ROOT_TESTFS

	if is_global_zone ; then
		if datasetexists $ROOT_TESTVOL ; then
			log_must zfs destroy -Rf $ROOT_TESTVOL
		fi
		log_must zfs create -V $VOLSIZE $ROOT_TESTVOL
		block_device_wait
	fi

	return 0
}

#
# Verify the specified user have permission on the dataset
#
# $1 dataset
# $2 permissions which are separated by comma(,)
# $3-n users
#
function verify_perm
{
	typeset dtst=$1
	typeset permissions=$2
	shift 2

	if [[ -z $@ || -z $permissions || -z $dtst ]]; then
		return 1
	fi

	typeset type=$(get_prop type $dtst)
	permissions=$(echo $permissions | tr -s "," " ")

	typeset user
	for user in $@; do
		typeset perm
		for perm in $permissions; do
			typeset -i ret=1
			if [[ $type == "filesystem" ]]; then
				check_fs_perm $user $perm $dtst
				ret=$?
			elif [[ $type == "volume" ]]; then
				check_vol_perm $user $perm $dtst
				ret=$?
			fi

			log_note "Check $type $user $perm $dtst"
			if ((ret != 0)) ; then
				log_note "Fail: $user should have $perm " \
					"on $dtst"
				return 1
			fi
		done
	done

	return 0
}

#
# Verify the specified user have no permission on the dataset
#
# $1 dataset
# $2 permissions which are separated by comma(,)
# $3-n users
#
function verify_noperm
{
	typeset dtst=$1
	typeset permissions=$2
	shift 2

	if [[ -z $@ || -z $permissions || -z $dtst ]]; then
		return 1
	fi

	typeset type=$(get_prop type $dtst)
	permissions=$(echo $permissions | tr -s "," " ")

	typeset user
	for user in $@; do
		typeset perm
		for perm in $permissions; do
			typeset -i ret=1
			if [[ $type == "filesystem" ]]; then
				check_fs_perm $user $perm $dtst
				ret=$?
			elif [[ $type == "volume" ]]; then
				check_vol_perm $user $perm $dtst
				ret=$?
			fi

			if ((ret == 0)) ; then
				log_note "Fail: $user should not have $perm " \
					"on $dtst"
				return 1
			fi
		done
	done

	return 0
}

function common_perm
{
	typeset user=$1
	typeset perm=$2
	typeset dtst=$3

	typeset -i ret=1
	case $perm in
		send)
			verify_send $user $perm $dtst
			ret=$?
			;;
		allow)
			verify_allow $user $perm $dtst
			ret=$?
			;;
		userprop)
			verify_userprop $user $perm $dtst
			ret=$?
			;;
		compression|checksum|readonly)
			verify_ccr $user $perm $dtst
			ret=$?
			;;
		copies)
			verify_copies $user $perm $dtst
			ret=$?
			;;
		reservation)
			verify_reservation $user $perm $dtst
			ret=$?
			;;
		*)
			ret=1
			;;
	esac

	return $ret
}

function check_fs_perm
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	typeset -i ret=1
	case $perm in
		create)
			verify_fs_create $user $perm $fs
			ret=$?
			;;
		destroy)
			verify_fs_destroy $user $perm $fs
			ret=$?
			;;
		snapshot)
			verify_fs_snapshot $user $perm $fs
			ret=$?
			;;
		rollback)
			verify_fs_rollback $user $perm $fs
			ret=$?
			;;
		clone)
			verify_fs_clone $user $perm $fs
			ret=$?
			;;
		rename)
			verify_fs_rename $user $perm $fs
			ret=$?
			;;
		mount)
			verify_fs_mount $user $perm $fs
			ret=$?
			;;
		share)
			verify_fs_share $user $perm $fs
			ret=$?
			;;
		mountpoint)
			verify_fs_mountpoint $user $perm $fs
			ret=$?
			;;
		promote)
			verify_fs_promote $user $perm $fs
			ret=$?
			;;
		canmount)
			verify_fs_canmount $user $perm $fs
			ret=$?
			;;
		dnodesize)
			verify_fs_dnodesize $user $perm $fs
			ret=$?
			;;
		recordsize)
			verify_fs_recordsize $user $perm $fs
			ret=$?
			;;
		quota)
			verify_fs_quota $user $perm $fs
			ret=$?
			;;
		aclmode)
			verify_fs_aclmode $user $perm $fs
			ret=$?
			;;
		aclinherit)
			verify_fs_aclinherit $user $perm $fs
			ret=$?
			;;
		snapdir)
			verify_fs_snapdir $user $perm $fs
			ret=$?
			;;
		atime|exec|devices|setuid|xattr)
			verify_fs_aedsx $user $perm $fs
			ret=$?
			;;
		zoned)
			verify_fs_zoned $user $perm $fs
			ret=$?
			;;
		sharenfs)
			verify_fs_sharenfs $user $perm $fs
			ret=$?
			;;
		receive)
			verify_fs_receive $user $perm $fs
			ret=$?
			;;
		*)
			common_perm $user $perm $fs
			ret=$?
			;;
	esac

	return $ret
}

function check_vol_perm
{
	typeset user=$1
	typeset perm=$2
	typeset vol=$3

	typeset -i ret=1
	case $perm in
		destroy)
			verify_vol_destroy $user $perm $vol
			ret=$?
			;;
		snapshot)
			verify_vol_snapshot $user $perm $vol
			ret=$?
			;;
		rollback)
			verify_vol_rollback $user $perm $vol
			ret=$?
			;;
		clone)
			verify_vol_clone $user $perm $vol
			ret=$?
			;;
		rename)
			verify_vol_rename $user $perm $vol
			ret=$?
			;;
		promote)
			verify_vol_promote $user $perm $vol
			ret=$?
			;;
		volsize)
			verify_vol_volsize $user $perm $vol
			ret=$?
			;;
		*)
			common_perm $user $perm $vol
			ret=$?
			;;
	esac

	return $ret
}

function setup_unallow_testenv
{
	log_must restore_root_datasets

	log_must zfs create $SUBFS

	for dtst in $DATASETS ; do
		log_must zfs allow -l $STAFF1 $LOCAL_SET $dtst
		log_must zfs allow -d $STAFF2 $DESC_SET  $dtst
		log_must zfs allow $OTHER1 $LOCAL_DESC_SET $dtst
		log_must zfs allow $OTHER2 $LOCAL_DESC_SET $dtst

		log_must verify_perm $dtst $LOCAL_SET $STAFF1
		log_must verify_perm $dtst $LOCAL_DESC_SET $OTHER1
		log_must verify_perm $dtst $LOCAL_DESC_SET $OTHER2
		if [[ $dtst == $ROOT_TESTFS ]]; then
			log_must verify_perm $SUBFS $DESC_SET $STAFF2
			log_must verify_perm $SUBFS $LOCAL_DESC_SET $OTHER1
			log_must verify_perm $SUBFS $LOCAL_DESC_SET $OTHER2
		fi
	done

	return 0
}

#
# Verify permission send for specified user on the dataset
# $1 user
# $2 permission
# $3 dataset
#
function verify_send
{
	typeset user=$1
	typeset perm=$2
	typeset dtst=$3

	typeset oldval
	typeset stamp=${perm}.${user}.$(date +'%F-%T-%N')
	typeset snap=$dtst@snap.$stamp

	typeset -i ret=1

	log_must zfs snapshot $snap
	typeset bak_user=/tmp/bak.$user.$stamp
	typeset bak_root=/tmp/bak.root.$stamp

	user_run $user eval "zfs send $snap > $bak_user"
	log_must eval "zfs send $snap > $bak_root"

	if [[ $(checksum $bak_user) == $(checksum $bak_root) ]]; then
		ret=0
	fi

	rm -rf $bak_user > /dev/null
	rm -rf $bak_root > /dev/null

	return $ret
}

function verify_fs_receive
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	typeset dtst
	typeset stamp=${perm}.${user}.$(date +'%F-%T-%N')
	typeset newfs=$fs/newfs.$stamp
	typeset newvol=$fs/newvol.$stamp
	typeset bak_user=/tmp/bak.$user.$stamp
	typeset bak_root=/tmp/bak.root.$stamp

	log_must zfs create $newfs
	typeset datasets="$newfs"
	if is_global_zone ; then
		log_must zfs create -V $VOLSIZE $newvol
		block_device_wait
		datasets="$newfs $newvol"
	fi

	for dtst in $datasets ; do

		typeset dtstsnap=$dtst@snap.$stamp
		log_must zfs snapshot $dtstsnap

		log_must eval "zfs send $dtstsnap > $bak_root"
		log_must_busy zfs destroy -rf $dtst

		user_run $user eval "zfs receive $dtst < $bak_root"
		if datasetexists $dtstsnap ; then
			return 1
		fi

		log_must zfs allow $user create $fs
		user_run $user eval "zfs receive $dtst < $bak_root"
		log_must zfs unallow $user create $fs
		if datasetexists $dtstsnap ; then
			return 1
		fi

		log_must zfs allow $user mount $fs
		user_run $user eval "zfs receive $dtst < $bak_root"
		log_must zfs unallow $user mount $fs
		if datasetexists $dtstsnap ; then
			return 1
		fi

		log_must zfs allow $user mount,create $fs
		user_run $user eval "zfs receive $dtst < $bak_root"
		log_must zfs unallow $user mount,create $fs
		if ! datasetexists $dtstsnap ; then
			return 1
		fi

		# check the data integrity
		log_must eval "zfs send $dtstsnap > $bak_user"
		log_must_busy zfs destroy -rf $dtst
		log_must eval "zfs receive $dtst < $bak_root"
		log_must eval "zfs send $dtstsnap > $bak_root"
		log_must_busy zfs destroy -rf $dtst
		if [[ $(checksum $bak_user) != $(checksum $bak_root) ]]; then
			return 1
		fi

		rm -rf $bak_user > /dev/null
		rm -rf $bak_root > /dev/null

	done

	return 0
}

function verify_userprop
{
	typeset user=$1
	typeset perm=$2
	typeset dtst=$3

	typeset stamp=${perm}.${user}.$(date +'%F-%T-%N')

	user_run $user zfs set "$user:ts=$stamp" $dtst
	if [[ $stamp != $(get_prop "$user:ts" $dtst) ]]; then
		return 1
	fi

	return 0
}

function verify_ccr
{
	typeset user=$1
	typeset perm=$2
	typeset dtst=$3

	typeset oldval

	set -A modes "on" "off"
	oldval=$(get_prop $perm $dtst)
	if [[ $oldval == "on" ]]; then
		n=1
	elif [[ $oldval == "off" ]]; then
		n=0
	fi
	log_note "$user zfs set $perm=${modes[$n]} $dtst"
	user_run $user zfs set $perm=${modes[$n]} $dtst
	if [[ ${modes[$n]} != $(get_prop $perm $dtst) ]]; then
		return 1
	fi

	return 0
}

function verify_copies
{
	typeset user=$1
	typeset perm=$2
	typeset dtst=$3

	typeset oldval

	set -A modes 1 2 3
	oldval=$(get_prop $perm $dtst)
	if [[ $oldval -eq 1 ]]; then
		n=1
	elif [[ $oldval -eq 2 ]]; then
		n=2
	elif [[ $oldval -eq 3 ]]; then
		n=0
	fi
	log_note "$user zfs set $perm=${modes[$n]} $dtst"
	user_run $user zfs set $perm=${modes[$n]} $dtst
	if [[ ${modes[$n]} != $(get_prop $perm $dtst) ]]; then
		return 1
	fi

	return 0
}

function verify_reservation
{
	typeset user=$1
	typeset perm=$2
	typeset dtst=$3

	typeset value32m=$(( 1024 * 1024 * 32 ))
	typeset oldval=$(get_prop reservation $dtst)
	user_run $user zfs set reservation=$value32m $dtst
	if [[ $value32m != $(get_prop reservation $dtst) ]]; then
		log_must zfs set reservation=$oldval $dtst
		return 1
	fi

	log_must zfs set reservation=$oldval $dtst
	return 0
}

function verify_fs_create
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	typeset stamp=${perm}.${user}.$(date +'%F-%T-%N')
	typeset newfs=$fs/nfs.$stamp
	typeset newvol=$fs/nvol.$stamp

	user_run $user zfs create $newfs
	if datasetexists $newfs ; then
		return 1
	fi

	log_must zfs allow $user mount $fs
	user_run $user zfs create $newfs
	log_must zfs unallow $user mount $fs
	if ! datasetexists $newfs ; then
		return 1
	fi

	log_must zfs destroy $newfs

	if is_global_zone ; then
		# mount permission is required for sparse volume
		user_run $user zfs create -V 150m -s $newvol
		block_device_wait
		if datasetexists $newvol ; then
			return 1
		fi

		log_must zfs allow $user mount $fs
		user_run $user zfs create -V 150m -s $newvol
		log_must zfs unallow $user mount $fs
		if ! datasetexists $newvol ; then
			return 1
		fi

		block_device_wait
		log_must zfs destroy $newvol
		block_device_wait

		# mount and reserveration permission are
		# required for normal volume
		user_run $user zfs create -V 150m $newvol
		block_device_wait
		if datasetexists $newvol ; then
			return 1
		fi

		log_must zfs allow $user mount $fs
		user_run $user zfs create -V 150m $newvol
		block_device_wait
		log_must zfs unallow $user mount $fs
		if datasetexists $newvol ; then
			return 1
		fi

		log_must zfs allow $user reservation $fs
		user_run $user zfs create -V 150m $newvol
		block_device_wait
		log_must zfs unallow $user reservation $fs
		if datasetexists $newvol ; then
			return 1
		fi

		log_must zfs allow $user refreservation $fs
		user_run $user zfs create -V 150m $newvol
		block_device_wait
		log_must zfs unallow $user refreservation $fs
		if datasetexists $newvol ; then
			return 1
		fi

		log_must zfs allow $user mount $fs
		log_must zfs allow $user reservation $fs
		log_must zfs allow $user refreservation $fs
		user_run $user zfs create -V 150m $newvol
		log_must zfs unallow $user mount $fs
		log_must zfs unallow $user reservation $fs
		log_must zfs unallow $user refreservation $fs
		if ! datasetexists $newvol ; then
			return 1
		fi

		block_device_wait
		log_must zfs destroy $newvol
		block_device_wait
	fi

	return 0
}

function verify_fs_destroy
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	if ! ismounted $fs ; then
		user_run $user zfs destroy $fs
		if datasetexists $fs ; then
			return 1
		fi
	fi

	if ismounted $fs ; then
		user_run $user zfs destroy $fs
		if ! datasetexists $fs ; then
			return 1
		fi

		# mount permission is required
		log_must zfs allow $user mount $fs
		user_run $user zfs destroy $fs
		if datasetexists $fs ; then
			return 1
		fi
	fi

	return 0
}

# Verify that given the correct delegation, a regular user can:
#	Take a snapshot of an unmounted dataset
#	Take a snapshot of an mounted dataset
#	Create a snapshot by making a directory in the .zfs/snapshot directory
function verify_fs_snapshot
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	typeset stamp=${perm}.${user}.$(date +'%F-%T-%N')
	typeset snap=$fs@snap.$stamp
	typeset mntpt=$(get_prop mountpoint $fs)

	if [[ "yes" == $(get_prop mounted $fs) ]]; then
		log_must zfs umount $fs
	fi

	user_run $user zfs snapshot $snap
	if ! datasetexists $snap ; then
		return 1
	fi
	log_must zfs destroy $snap

	if [[ "no" == $(get_prop mounted $fs) ]]; then
		log_must zfs mount $fs
	fi

	user_run $user zfs snapshot $snap
	if ! datasetexists $snap ; then
		return 1
	fi
	log_must zfs destroy $snap

	typeset snapdir=${mntpt}/.zfs/snapshot/snap.$stamp
	user_run $user mkdir $snapdir
	if ! datasetexists $snap ; then
		return 1
	fi
	log_must zfs destroy $snap

	return 0
}

function verify_fs_rollback
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	typeset oldval
	typeset stamp=${perm}.${user}.$(date +'%F-%T-%N')
	typeset snap=$fs@snap.$stamp
	typeset mntpt=$(get_prop mountpoint $fs)

	oldval=$(datasetcksum $fs)
	log_must zfs snapshot $snap

	if ! ismounted $fs; then
		log_must zfs mount $fs
	fi
	log_must touch $mntpt/testfile.$stamp

	user_run $user zfs rollback -R $snap
	if is_global_zone ; then
		if [[ $oldval != $(datasetcksum $fs) ]]; then
			return 1
		fi
	else
		# datasetcksum can not be used in local zone
		if [[ -e $mntpt/testfile.$stamp ]]; then
			return 1
		fi
	fi

	return 0
}

function verify_fs_clone
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	typeset stamp=${perm}.${user}.$(date +'%F-%T-%N')
        typeset basefs=${fs%/*}
	typeset snap=$fs@snap.$stamp
	typeset clone=$basefs/cfs.$stamp

	log_must zfs snapshot $snap
	user_run $user zfs clone $snap $clone
	if datasetexists $clone ; then
		return 1
	fi

	log_must zfs allow $user create $basefs
	user_run $user zfs clone $snap $clone
	log_must zfs unallow $user create $basefs
	if datasetexists $clone ; then
		return 1
	fi

	log_must zfs allow $user mount $basefs
	user_run $user zfs clone $snap $clone
	log_must zfs unallow $user mount $basefs
	if datasetexists $clone ; then
		return 1
	fi

	log_must zfs allow $user mount $basefs
	log_must zfs allow $user create $basefs
	user_run $user zfs clone $snap $clone
	log_must zfs unallow $user create $basefs
	log_must zfs unallow $user mount $basefs
	if ! datasetexists $clone ; then
		return 1
	fi

	log_must zfs destroy -R $snap

	return 0
}

function verify_fs_rename
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	typeset stamp=${perm}.${user}.$(date +'%F-%T-%N')
        typeset basefs=${fs%/*}
	typeset snap=$fs@snap.$stamp
	typeset renamefs=$basefs/nfs.$stamp

	if ! ismounted $fs; then
		log_must zfs mount $fs
	fi

	# case 1
	user_run $user zfs rename $fs $renamefs
	if datasetexists $renamefs ; then
		return 1
	fi

	# case 2
	log_must zfs allow $user create $basefs
	user_run $user zfs rename $fs $renamefs
	log_must zfs unallow $user create $basefs
	if datasetexists $renamefs ; then
		return 1
	fi

	# case 3
	log_must zfs allow $user mount $basefs
	user_run $user zfs rename $fs $renamefs
	log_must zfs unallow $user mount $basefs
	if datasetexists $renamefs ; then
		return 1
	fi

	# case 4
	log_must zfs allow $user mount $fs
	user_run $user zfs rename $fs $renamefs
	if datasetexists $renamefs ; then
		log_must zfs unallow $user mount $renamefs
		return 1
	fi
	log_must zfs unallow $user mount $fs

	# case 5
	log_must zfs allow $user create $basefs
	log_must zfs allow $user mount $fs
	user_run $user zfs rename $fs $renamefs
	log_must zfs unallow $user create $basefs
	if datasetexists $renamefs ; then
		log_must zfs unallow $user mount $renamefs
		return 1
	fi
	log_must zfs unallow $user mount $fs

	# case 6
	log_must zfs allow $user mount $basefs
	log_must zfs allow $user mount $fs
	user_run $user zfs rename $fs $renamefs
	log_must zfs unallow $user mount $basefs
	if datasetexists $renamefs ; then
		log_must zfs unallow $user mount $renamefs
		return 1
	fi
	log_must zfs unallow $user mount $fs

	# case 7
	log_must zfs allow $user create $basefs
	log_must zfs allow $user mount $basefs
	user_run $user zfs rename $fs $renamefs
	log_must zfs unallow $user mount $basefs
	log_must zfs unallow $user create $basefs
	if ! datasetexists $renamefs ; then
		return 1
	fi

	log_must zfs rename $renamefs $fs

	return 0
}

function verify_fs_mount
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	typeset stamp=${perm}.${user}.$(date +'%F-%T-%N')
	typeset mntpt=$(get_prop mountpoint $fs)
	typeset newmntpt=/tmp/mnt.$stamp

	if ismounted $fs ; then
		user_run $user zfs unmount $fs
		if ismounted $fs ; then
			return 1
		fi
	fi

	if ! ismounted $fs ; then
		log_must zfs set mountpoint=$newmntpt $fs
		log_must rm -rf $newmntpt
		log_must mkdir $newmntpt

		user_run $user zfs mount $fs
		if ismounted $fs ; then
			return 1
		fi

		# mountpoint's owner must be the user
		log_must chown $user $newmntpt
		user_run $user zfs mount $fs
		if ! ismounted $fs ; then
			return 1
		fi
		log_must zfs umount $fs
		log_must rm -rf $newmntpt
		log_must zfs set mountpoint=$mntpt $fs
	fi

	return 0
}

function verify_fs_share
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3
	typeset -i ret=0

	svcadm enable -rs nfs/server
	typeset stat=$(svcs -H -o STA nfs/server:default)
	if [[ $stat != "ON" ]]; then
		log_fail "Could not enable nfs/server"
	fi

	log_must zfs set sharenfs=on $fs
	zfs unshare $fs

	user_run $user zfs share $fs
	if ! is_shared $fs; then
		ret=1
	fi

	zfs unshare $fs
	log_must zfs set sharenfs=off $fs

	return $ret
}

function verify_fs_mountpoint
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	typeset stamp=${perm}.${user}.$(date +'%F-%T-%N')
	typeset mntpt=$(get_prop mountpoint $fs)
	typeset newmntpt=/tmp/mnt.$stamp

	if ! ismounted $fs ; then
		user_run $user zfs set mountpoint=$newmntpt $fs
		if [[ $newmntpt != \
			$(get_prop mountpoint $fs) ]] ; then
			return 1
		fi
		log_must zfs set mountpoint=$mntpt $fs
	fi

	if ismounted $fs ; then
		user_run $user zfs set mountpoint=$newmntpt $fs
		if [[ $mntpt != $(get_prop mountpoint $fs) ]]; then
			return 1
		fi

		# require mount permission when fs is mounted
		log_must zfs allow $user mount $fs
		user_run $user zfs set mountpoint=$newmntpt $fs
		log_must zfs unallow $user mount $fs
		if [[ $newmntpt != \
			$(get_prop mountpoint $fs) ]] ; then
			return 1
		fi
		log_must zfs set mountpoint=$mntpt $fs
	fi

	return 0
}

function verify_fs_promote
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	typeset stamp=${perm}.${user}.$(date +'%F-%T-%N')
        typeset basefs=${fs%/*}
	typeset snap=$fs@snap.$stamp
	typeset clone=$basefs/cfs.$stamp

	log_must zfs snapshot $snap
	log_must zfs clone $snap $clone
	log_must zfs promote $clone

	typeset fs_orig=$(get_prop origin $fs)
	typeset clone_orig=$(get_prop origin $clone)

	user_run $user zfs promote $fs
	# promote should fail if original fs does not have
	# promote permission
	if [[ $fs_orig != $(get_prop origin $fs) || \
		$clone_orig != $(get_prop origin $clone) ]]; then
		return 1
	fi

	log_must zfs allow $user promote $clone
	user_run $user zfs promote $fs
	log_must zfs unallow $user promote $clone
	if [[ $fs_orig != $(get_prop origin $fs) || \
		$clone_orig != $(get_prop origin $clone) ]]; then
		return 1
	fi

	log_must zfs allow $user mount $fs
	user_run $user zfs promote $fs
	log_must zfs unallow $user mount $fs
	if [[ $fs_orig != $(get_prop origin $fs) || \
		$clone_orig != $(get_prop origin $clone) ]]; then
		return 1
	fi

	log_must zfs allow $user mount $fs
	log_must zfs allow $user promote $clone
	user_run $user zfs promote $fs
	log_must zfs unallow $user promote $clone
	log_must zfs unallow $user mount $fs
	if [[ $snap != $(get_prop origin $clone) || \
		$clone_orig != $(get_prop origin $fs) ]]; then
		return 1
	fi

	return 0
}

function verify_fs_canmount
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	typeset oldval
	typeset stamp=${perm}.${user}.$(date +'%F-%T-%N')

	if ! ismounted $fs ; then
		set -A modes "on" "off"
		oldval=$(get_prop $perm $fs)
		if [[ $oldval == "on" ]]; then
			n=1
		elif [[ $oldval == "off" ]]; then
			n=0
		fi
		log_note "$user zfs set $perm=${modes[$n]} $fs"
		user_run $user zfs set $perm=${modes[$n]} $fs
		if [[ ${modes[$n]} != $(get_prop $perm $fs) ]]; then
			return 1
		fi
	fi


	# fs is mounted
	if ismounted $fs ; then
		# property value does not change if
		# no mount permission
		set -A modes "on" "off"
		oldval=$(get_prop $perm $fs)
		if [[ $oldval == "on" ]]; then
			n=1
		elif [[ $oldval == "off" ]]; then
			n=0
		fi
		log_note "$user zfs set $perm=${modes[$n]} $fs"
		log_must zfs allow $user mount $fs
		user_run $user zfs set $perm=${modes[$n]} $fs
		log_must zfs unallow $user mount $fs
		if [[ ${modes[$n]} != $(get_prop $perm $fs) ]]; then
			return 1
		fi
	fi

	return 0
}

function verify_fs_recordsize
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	typeset value8k=$(( 1024 * 8 ))
	user_run $user zfs set recordsize=$value8k $fs
	if [[ $value8k != $(get_prop recordsize $fs) ]]; then
		return 1
	fi

	return 0
}

function verify_fs_dnodesize
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3
	value="2k"

	user_run $user zfs set dnodesize=$value $fs
	if [[ $value != $(get_prop dnodesize $fs) ]]; then
		return 1
	fi

	return 0
}

function verify_fs_quota
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	typeset value32m=$(( 1024 * 1024 * 32 ))
	user_run $user zfs set quota=$value32m $fs
	if [[ $value32m != $(get_prop quota $fs) ]]; then
		return 1
	fi

	return 0
}

function verify_fs_aclmode
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	typeset oldval
	set -A modes "discard" "groupmask" "passthrough"
	oldval=$(get_prop $perm $fs)
	if [[ $oldval == "discard" ]]; then
		n=1
	elif [[ $oldval == "groupmask" ]]; then
		n=2
	elif [[ $oldval == "passthrough" ]]; then
		n=0
	fi
	log_note "$user zfs set aclmode=${modes[$n]} $fs"
	user_run $user zfs set aclmode=${modes[$n]} $fs
	if [[ ${modes[$n]} != $(get_prop aclmode $fs) ]]; then
		return 1
	fi

	return 0
}

function verify_fs_aclinherit
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	#
	# PSARC/2008/231 change the default value of aclinherit to "restricted"
	# but still keep the old interface of "secure"
	#

	typeset oldval
	set -A modes "discard" "noallow" "secure" "passthrough"
	oldval=$(get_prop $perm $fs)
	if [[ $oldval == "discard" ]]; then
		n=1
	elif [[ $oldval == "noallow" ]]; then
		n=2
	elif [[ $oldval == "secure" || $oldval == "restricted" ]]; then
		n=3
	elif [[ $oldval == "passthrough" ]]; then
		n=0
	fi
	log_note "$user zfs set aclinherit=${modes[$n]} $fs"
	user_run $user zfs set aclinherit=${modes[$n]} $fs

	typeset newval=$(get_prop aclinherit $fs)
	if [[ ${modes[$n]} == "secure" && $newval == "restricted" ]]; then
		return 0
	elif [[ ${modes[$n]} != $(get_prop aclinherit $fs) ]]; then
		return 1
	fi

	return 0
}

function verify_fs_snapdir
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	typeset oldval
	set -A modes "visible" "hidden"
	oldval=$(get_prop $perm $fs)
	if [[ $oldval == "visible" ]]; then
		n=1
	elif [[ $oldval == "hidden" ]]; then
		n=0
	fi
	log_note "$user zfs set snapdir=${modes[$n]} $fs"
	user_run $user zfs set snapdir=${modes[$n]} $fs
	if [[ ${modes[$n]} != $(get_prop snapdir $fs) ]]; then
		return 1
	fi

	return 0
}

function verify_fs_aedsx
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	typeset oldval
	set -A modes "on" "off"
	oldval=$(get_prop $perm $fs)
	if [[ $oldval == "on" ]]; then
		n=1
	elif [[ $oldval == "off" ]]; then
		n=0
	fi
	log_note "$user zfs set $perm=${modes[$n]} $fs"
	user_run $user zfs set $perm=${modes[$n]} $fs
	if [[ ${modes[$n]} != $(get_prop $perm $fs) ]]; then
		return 1
	fi

	return 0
}

function verify_fs_zoned
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3

	typeset oldval
	set -A modes "on" "off"
	oldval=$(get_prop $perm $fs)
	if [[ $oldval == "on" ]]; then
		n=1
	elif [[ $oldval == "off" ]]; then
		n=0
	fi
	log_note "$user zfs set $perm=${modes[$n]} $fs"
	if is_global_zone ; then
		if ! ismounted $fs ; then
			user_run $user zfs set \
				$perm=${modes[$n]} $fs
			if [[ ${modes[$n]} != \
				$(get_prop $perm $fs) ]]; then
				return 1
			fi
			if [[ $n -eq 0 ]]; then
				log_mustnot zfs mount $fs
			else
				log_must zfs mount $fs
			fi
		fi

		if ismounted $fs; then
			# n always is 1 in this case
			user_run $user zfs set \
				$perm=${modes[$n]} $fs
			if [[ $oldval != \
				$(get_prop $perm $fs) ]]; then
				return 1
			fi

			# mount permission is needed
			# to make zoned=on
			log_must zfs allow $user mount $fs
			user_run $user zfs set \
				$perm=${modes[$n]} $fs
			log_must zfs unallow $user mount $fs
			if [[ ${modes[$n]} != \
				$(get_prop $perm $fs) ]]; then
				return 1
			fi
		fi
	fi

	if ! is_global_zone; then
		user_run $user zfs set $perm=${modes[$n]} $fs
		if [[ $oldval != $(get_prop $perm $fs) ]]; then
			return 1
		fi
	fi

	return 0
}

function verify_fs_sharenfs
{
	typeset user=$1
	typeset perm=$2
	typeset fs=$3
	typeset nmode omode

	omode=$(get_prop $perm $fs)
	if [[ $omode == "off" ]]; then
		nmode="on"
	else
		nmode="off"
	fi

	log_note "$user zfs set $perm=$nmode $fs"
	user_run $user zfs set $perm=$nmode $fs
	if [[ $(get_prop $perm $fs) != $nmode ]]; then
		return 1
	fi

	log_note "$user zfs set $perm=$omode $fs"
	user_run $user zfs set $perm=$omode $fs
	if [[ $(get_prop $perm $fs) != $omode ]]; then
		return 1
	fi

	return 0
}

function verify_vol_destroy
{
	typeset user=$1
	typeset perm=$2
	typeset vol=$3

	user_run $user zfs destroy $vol
	if ! datasetexists $vol ; then
		return 1
	fi

	# mount permission is required
	log_must zfs allow $user mount $vol
	user_run $user zfs destroy $vol
	if datasetexists $vol ; then
		return 1
	fi

	return 0
}

function verify_vol_snapshot
{
	typeset user=$1
	typeset perm=$2
	typeset vol=$3

	typeset stamp=${perm}.${user}.$(date +'%F-%T-%N')
        typeset basevol=${vol%/*}
	typeset snap=$vol@snap.$stamp

	user_run $user zfs snapshot $snap
	if datasetexists $snap ; then
		return 1
	fi

	log_must zfs allow $user mount $vol
	user_run $user zfs snapshot $snap
	log_must zfs unallow $user mount $vol
	if ! datasetexists $snap ; then
		return 1
	fi

	return 0
}

function verify_vol_rollback
{
	typeset user=$1
	typeset perm=$2
	typeset vol=$3

	typeset stamp=${perm}.${user}.$(date+'%F-%T-%N')
        typeset basevol=${vol%/*}
	typeset snap=$vol@snap.$stamp

	typeset oldval
	log_must zfs snapshot $snap
	oldval=$(datasetcksum $vol)

	log_must dd if=/dev/urandom of=$ZVOL_RDEVDIR/$vol \
		bs=512 count=1

	user_run $user zfs rollback -R $snap
	sleep 10
	if [[ $oldval == $(datasetcksum $vol) ]]; then
		return 1
	fi

	# rollback on volume has to be with mount permission
	log_must zfs allow $user mount $vol
	user_run $user zfs rollback -R $snap
	sleep 10
	log_must zfs unallow $user mount $vol
	if [[ $oldval != $(datasetcksum $vol) ]]; then
		return 1
	fi

	return 0
}

function verify_vol_clone
{
	typeset user=$1
	typeset perm=$2
	typeset vol=$3

	typeset stamp=${perm}.${user}.$(date+'%F-%T-%N')
        typeset basevol=${vol%/*}
	typeset snap=$vol@snap.$stamp
	typeset clone=$basevol/cvol.$stamp

	log_must zfs snapshot $snap

	user_run $user zfs clone $snap $clone
	if datasetexists $clone ; then
		return 1
	fi

	log_must zfs allow $user create $basevol
	user_run $user zfs clone $snap $clone
	log_must zfs unallow $user create $basevol
	if datasetexists $clone ; then
		return 1
	fi

	log_must zfs allow $user mount $basevol
	user_run $user zfs clone $snap $clone
	log_must zfs unallow $user mount $basevol
	if datasetexists $clone ; then
		return 1
	fi

	# require create permission on parent and
	# mount permission on itself as well
	log_must zfs allow $user mount $basevol
	log_must zfs allow $user create $basevol
	user_run $user zfs clone $snap $clone
	log_must zfs unallow $user create $basevol
	log_must zfs unallow $user mount $basevol
	if ! datasetexists $clone ; then
		return 1
	fi

	return 0
}

function verify_vol_rename
{
	typeset user=$1
	typeset perm=$2
	typeset vol=$3

	typeset stamp=${perm}.${user}.$(date+'%F-%T-%N')
        typeset basevol=${vol%/*}
	typeset snap=$vol@snap.$stamp
	typeset clone=$basevol/cvol.$stamp
	typeset renamevol=$basevol/nvol.$stamp

	user_run $user zfs rename $vol $renamevol
	if datasetexists $renamevol ; then
		return 1
	fi

	log_must zfs allow $user create $basevol
	user_run $user zfs rename $vol $renamevol
	log_must zfs unallow $user create $basevol
	if datasetexists $renamevol ; then
		return 1
	fi

	log_must zfs allow $user mount $basevol
	user_run $user zfs rename $vol $renamevol
	log_must zfs unallow $user mount $basevol
	if datasetexists $renamevol ; then
		return 1
	fi

	# require both create permission on parent and
	# mount permission on parent as well
	log_must zfs allow $user mount $basevol
	log_must zfs allow $user create $basevol
	user_run $user zfs rename $vol $renamevol
	log_must zfs unallow $user mount $basevol
	log_must zfs unallow $user create $basevol
	if ! datasetexists $renamevol ; then
		return 1
	fi

	log_must zfs rename $renamevol $vol

	return 0
}

function verify_vol_promote
{
	typeset user=$1
	typeset perm=$2
	typeset vol=$3

	typeset stamp=${perm}.${user}.$(date+'%F-%T-%N')
        typeset basevol=${vol%/*}
	typeset snap=$vol@snap.$stamp
	typeset clone=$basevol/cvol.$stamp

	log_must zfs snapshot $snap
	log_must zfs clone $snap $clone
	log_must zfs promote $clone

	typeset vol_orig=$(get_prop origin $vol)
	typeset clone_orig=$(get_prop origin $clone)

	# promote should fail if $vol and $clone
	# miss either mount or promote permission
	# case 1
	user_run $user zfs promote $vol
	if [[ $vol_orig != $(get_prop origin $vol) || \
		$clone_orig != $(get_prop origin $clone) ]];
	then
		return 1
	fi

	# promote should fail if $vol and $clone
	# miss either mount or promote permission
	# case 2
	log_must zfs allow $user promote $clone
	user_run $user zfs promote $vol
	log_must zfs unallow $user promote $clone
	if [[ $vol_orig != $(get_prop origin $vol) || \
		$clone_orig != $(get_prop origin $clone) ]];
	then
		return 1
	fi

	# promote should fail if $vol and $clone
	# miss either mount or promote permission
	# case 3
	log_must zfs allow $user mount $vol
	user_run $user zfs promote $vol
	log_must zfs unallow $user mount $vol
	if [[ $vol_orig != $(get_prop origin $vol) || \
		$clone_orig != $(get_prop origin $clone) ]];
	then
		return 1
	fi

	# promote should fail if $vol and $clone
	# miss either mount or promote permission
	# case 4
	log_must zfs allow $user mount $clone
	user_run $user zfs promote $vol
	log_must zfs unallow $user mount $clone
	if [[ $vol_orig != $(get_prop origin $vol) || \
		$clone_orig != $(get_prop origin $clone) ]];
	then
		return 1
	fi

	# promote should fail if $vol and $clone
	# miss either mount or promote permission
	# case 5
	log_must zfs allow $user promote $clone
	log_must zfs allow $user mount $vol
	user_run $user zfs promote $vol
	log_must zfs unallow $user promote $clone
	log_must zfs unallow $user mount $vol
	if [[ $vol_orig != $(get_prop origin $vol) || \
		$clone_orig != $(get_prop origin $clone) ]];
	then
		return 1
	fi

	# promote should fail if $vol and $clone
	# miss either mount or promote permission
	# case 6
	log_must zfs allow $user promote $clone
	log_must zfs allow $user mount $clone
	user_run $user zfs promote $vol
	log_must zfs unallow $user promote $clone
	log_must zfs unallow $user mount $vol
	if [[ $vol_orig != $(get_prop origin $vol) || \
		$clone_orig != $(get_prop origin $clone) ]];
	then
		return 1
	fi

	# promote should fail if $vol and $clone
	# miss either mount or promote permission
	# case 7
	log_must zfs allow $user mount $vol
	log_must zfs allow $user mount $clone
	user_run $user zfs promote $vol
	log_must zfs unallow $user mount $vol
	log_must zfs unallow $user mount $clone
	if [[ $vol_orig != $(get_prop origin $vol) || \
		$clone_orig != $(get_prop origin $clone) ]];
	then
		return 1
	fi

	# promote only succeeds when $vol and $clone
	# have both mount and promote permission
	# case 8
	log_must zfs allow $user promote $clone
	log_must zfs allow $user mount $vol
	log_must zfs allow $user mount $clone
	user_run $user zfs promote $vol
	log_must zfs unallow $user promote $clone
	log_must zfs unallow $user mount $vol
	log_must zfs unallow $user mount $clone
	if [[ $snap != $(get_prop origin $clone) || \
		$clone_orig != $(get_prop origin $vol) ]]; then
		return 1
	fi

	return 0
}

function verify_vol_volsize
{
	typeset user=$1
	typeset perm=$2
	typeset vol=$3

	typeset oldval
	oldval=$(get_prop volsize $vol)
	(( newval = oldval * 2 ))

	reserv_size=$(get_prop refreservation $vol)

	if [[ "0" == $reserv_size ]]; then
		# sparse volume
		user_run $user zfs set volsize=$newval $vol
		if [[ $oldval == $(get_prop volsize $vol) ]];
		then
			return 1
		fi

	else
		# normal volume, reservation permission
		# is required
		user_run $user zfs set volsize=$newval $vol
		if [[ $newval == $(get_prop volsize $vol) ]];
		then
			return 1
		fi

		log_must zfs allow $user reservation $vol
		log_must zfs allow $user refreservation $vol
		user_run $user zfs set volsize=$newval $vol
		log_must zfs unallow $user reservation $vol
		log_must zfs unallow $user refreservation $vol
		if [[ $oldval == $(get_prop volsize $vol) ]];
		then
			return 1
		fi
	fi

	return 0
}

function verify_allow
{
	typeset user=$1
	typeset perm=$2
	typeset dtst=$3

	typeset -i ret

	user_run $user zfs allow $user allow $dtst
	ret=$?
	if [[ $ret -eq 0 ]]; then
		return 1
	fi

	log_must zfs allow $user copies $dtst
	user_run $user zfs allow $user copies $dtst
	ret=$?
	log_must zfs unallow $user copies $dtst
	if [[ $ret -eq 1 ]]; then
		return 1
	fi

	return 0

}
