acl/nontrivial/zfs_acl_chmod_delete_001_pos.ksh

	zfs_acl_chmod_delete_001_pos.ksh revision d583b39bfb4e2571d3e41097c5c357ffe353ad45
#!/bin/ksh -p
#
# 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]
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#
# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#

. $STF_SUITE/tests/functional/acl/acl_common.kshlib

#
# DESCRIPTION:
#   Verify that the combined delete_child/delete permission for
#   owner/group/everyone are correct.
#
#        -------------------------------------------------------
#        |   Parent Dir  |           Target Object Permissions |
#        |  permissions  |                                     |
#        -------------------------------------------------------
#        |               | ACL Allows | ACL Denies| Delete     |
#        |               |  Delete    |  Delete   | unspecified|
#        -------------------------------------------------------
#        |  ACL Allows   | Permit     | Permit    | Permit     |
#        |  DELETE_CHILD |                                     |
#        -------------------------------------------------------
#        |  ACL Denies   | Permit     | Deny      | Deny       |
#        |  DELETE_CHILD |            |           |            |
#        -------------------------------------------------------
#        | ACL specifies |            |           |            |
#        | only allows   | Permit     | Permit    | Permit     |
#        | write and     |            |           |            |
#        | execute       |            |           |            |
#        -------------------------------------------------------
#        | ACL denies    |            |           |            |
#        | write and     | Permit     | Deny      | Deny       |
#        | execute       |            |           |            |
#        -------------------------------------------------------
#
# STRATEGY:
# 1. Create file and  directory in zfs filesystem
# 2. Set special ACE combination to the file and directory
# 3. Try to remove the file
# 4. Verify that combined permissions for owner/group/everyone are correct.
#

verify_runnable "both"

function cleanup
{
    if [[ ! -e $target ]]; then
        log_must $TAR xpf $TESTDIR/$ARCHIVEFILE
    fi

    (( ${#cwd} != 0 )) && cd $cwd
    cleanup_test_files $TESTDIR/basedir
    if [[ -e $TESTDIR/$ARCHIVEFILE ]]; then
        log_must $RM -f $TESTDIR/$ARCHIVEFILE
    fi
    return 0
}

#owner@           group                  group_users       other_users
set -A users \
"root"            "root"                 "$ZFS_ACL_ADMIN"  "$ZFS_ACL_OTHER1" \
"$ZFS_ACL_STAFF1" "$ZFS_ACL_STAFF_GROUP" "$ZFS_ACL_STAFF2" "$ZFS_ACL_OTHER1"

set -A access_parent \
    "delete_child:allow" \
    "delete_child:deny" \
    "write_data:allow" \
    "write_data:deny" \
    "delete_child:deny write_data:allow" \
    "delete_child:allow write_data:deny"

set -A access_target \
    "delete:allow" \
    "delete:deny" \
    ""

set -A a_flag "owner@" "group@" "everyone@" "user:$ZFS_ACL_STAFF1"

log_assert "Verify that the combined delete_child/delete permission for" \
    "owner/group/everyone are correct."
log_onexit cleanup

function operate_node #user node
{
    typeset user=$1
    typeset node=$2
    typeset ret

    if [[ $user == "" || $node == "" ]]; then
        log_fail "user, node are not defined."
    fi
    if [[ -d $node ]]; then
        chgusr_exec $user $RM -rf $node ; ret=$?
    else
        chgusr_exec $user $RM -f $node ; ret=$?
    fi

    if [[ -e $node ]]; then
        if [[ $ret -eq 0 ]]; then
            log_note "$node not removed, but return code is 0."
            return 1
        fi
    else
        log_must $TAR xpf $TESTDIR/$ARCHIVEFILE
        if [[ $ret -ne 0 ]]; then
            log_note "$node removed, but return code is $ret."
            return 1
        fi
    fi
    return $ret
}

function logname #acl_parent acl_target user
{
    typeset acl_parent=$1
    typeset acl_target=$2
    typeset user=$3

    # To super user, read and write deny permission was override.
    if [[ $user == root || $acl_target == *:allow ]]; then
        print "log_must"
    elif [[ $acl_parent == *"delete_child"* ]]; then
        if [[ $acl_parent == *"delete_child:allow"* ]]; then
            print "log_must"
        else
            print "log_mustnot"
        fi
    elif [[ $acl_parent == *"write_data"* ]]; then
        if [[ $acl_parent == *"write_data:allow"* ]]; then
            print "log_must"
        else
            print "log_mustnot"
        fi
    else
        print "log_mustnot"
    fi
}

function check_chmod_results #node flag acl_parent acl_target g_usr o_usr
{
    typeset node=$1
    typeset flag=$2
    typeset acl_parent=$3
    typeset acl_target=$2:$4
    typeset g_usr=$5
    typeset o_usr=$6
    typeset log acl_tmp

    for acl in $acl_parent ; do
        acl_tmp="$2:$acl $acl_tmp"
    done
    acl_parent=$acl_tmp

    if [[ $flag == "owner@" || $flag == "everyone@" ]]; then
        log=$(logname "$acl_parent" $acl_target $ZFS_ACL_CUR_USER)
        $log operate_node $ZFS_ACL_CUR_USER $node
    fi
    if [[ $flag == "group@" || $flag == "everyone@" ]]; then
        log=$(logname "$acl_parent" $acl_target $g_usr)
        $log operate_node $g_usr $node
    fi
    if [[ $flag == "everyone@" ]]; then
        log=$(logname "$acl_parent" $acl_target $o_usr)
        $log operate_node $o_usr $node
    fi
    if [[ $flag == "user:"* ]]; then
        typeset user=${flag#user:}
        log=$(logname "$acl_parent" $acl_target $user)
        $log operate_node $user $node
    fi
}

function test_chmod_basic_access #node g_usr o_usr
{
    typeset node=${1%/}
    typeset g_usr=$2
    typeset o_usr=$3
    typeset flag acl_p acl_t parent
    typeset -i i=0

    parent=${node%/*}

    for flag in ${a_flag[@]}; do
    for acl_p in "${access_parent[@]}"; do
        i=0
        for acl in $acl_p ; do
            log_must usr_exec $CHMOD A+$flag:$acl $parent
            (( i = i + 1))
        done

        for acl_t in "${access_target[@]}"; do
            [[ -n $acl_t ]] && \
                log_must usr_exec $CHMOD A+$flag:$acl_t $node

            log_must $TAR cpf $TESTDIR/$ARCHIVEFILE basedir

            check_chmod_results "$node" "$flag" \
                 "$acl_p" "$acl_t" "$g_usr" "$o_usr"

            [[ -n $acl_t ]] && \
                log_must usr_exec $CHMOD A0- $node
        done

        while (( i > 0 )); do
            log_must usr_exec $CHMOD A0- $parent
            (( i = i - 1 ))
        done
    done
    done
}

function setup_test_files #base_node user group
{
    typeset base_node=$1
    typeset user=$2
    typeset group=$3

    cleanup_test_files $base_node

    log_must $MKDIR -p $base_node
    log_must $CHOWN $user:$group $base_node

    log_must set_cur_usr $user

    # Prepare all files/sub-dirs for testing.
    file0=$base_node/testfile_rm
    dir0=$base_node/testdir_rm

    log_must usr_exec $TOUCH $file0
    log_must usr_exec $CHMOD 444 $file0

    log_must usr_exec $MKDIR -p $dir0
    log_must usr_exec $CHMOD 444 $dir0

    log_must usr_exec $CHMOD 555 $base_node
    return 0
}

function cleanup_test_files #base_node
{
    typeset base_node=$1

    if [[ -d $base_node ]]; then
        log_must $RM -rf $base_node
    elif [[ -e $base_node ]]; then
        log_must $RM -f $base_node
    fi

    return 0
}

typeset cwd=$PWD
typeset ARCHIVEFILE=archive.tar

typeset -i i=0
typeset -i j=0
typeset target
cd $TESTDIR
while (( i < ${#users[@]} )); do
    setup_test_files $TESTDIR/basedir ${users[i]} ${users[((i+1))]}

    j=0
    while (( j < 1 )); do
        eval target=\$file$j
        test_chmod_basic_access $target \
            "${users[((i+2))]}" "${users[((i+3))]}"

        eval target=\$dir$j
        test_chmod_basic_access $target \
            "${users[((i+2))]}" "${users[((i+3))]}"

        (( j = j + 1 ))
    done

    (( i += 4 ))
done

log_pass "Verify that the combined delete_child/delete permission for" \
    "owner/group/everyone are correct."