# Process this file with autom4te to create testsuite. -*- Autotest -*-
#
# Test suite for GNU tar.
# Copyright 2013-2023 Free Software Foundation, Inc.

# This file is part of GNU tar.

# GNU tar is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.

# GNU tar is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# Test description:
#
# Check the storing/restoring with/without default ACLs.  When --acls is passed,
# restored directory tree should always match archive contents (even when the
# archive does not contain any ACLs).
#
# References:
# http://www.mail-archive.com/bug-tar@gnu.org/msg04355.html

AT_SETUP([acls: default ACLs])
AT_KEYWORDS([xattrs acls acls03 chdir])

m4_define([ACL_LISTDIR], [
    cd $1
    $1="$(find d1 | sort | xargs -n 1 getfacl)"
    cd ..
])

m4_define([ACL_ASSERT], [
    echo "$$1" > $1.log
    echo "$$2" > $2.log
    if test ! "$$1" "$3" "$$2"; then
        echo "bad '$1' against '$2' output"
    fi
])

AT_TAR_CHECK([
AT_XATTRS_UTILS_PREREQ
AT_ACLS_PREREQ
AT_SORT_PREREQ

MYNAME=$( id -un )
MYGROUP=$( id -gn )

# Prepare directory structure with default ACLs
mkdir -p pure/d1/d2
genfile --file pure/d1/f2a
genfile --file pure/d1/f2b
genfile --file pure/d1/d2/f3a
genfile --file pure/d1/d2/f3b
setfacl    -m g:$MYGROUP:r-x pure/d1
setfacl -d -m g:$MYGROUP:rwx pure/d1
setfacl -d -m u:$MYNAME:rwx  pure/d1
# "*a" files have "some" additional ACLs
setfacl    -m u:$MYNAME:--- pure/d1/d2/f3a
setfacl    -m u:$MYNAME:--- pure/d1/f2a

# use default format (no acls stored)
tar -cf noacl.tar -C pure d1

# use posix format, acls stored
tar --acls -cf acl.tar -C pure d1

# Directory names are chosen based on "how the files were extracted from
# archive".  Equivalent no* tags are used also:
#   ^sacl_    — extracted archive has stored ACLs
#   _def_     — target directory (-C) has default ACLs
#   _optacl$  — extraction was done with --acls option

mkdir sacl_def_optacl
mkdir sacl_def_optnoacl
mkdir sacl_nodef_optacl
mkdir sacl_nodef_optnoacl
mkdir nosacl_def_optacl
mkdir nosacl_def_optnoacl
mkdir nosacl_nodef_optacl
mkdir nosacl_nodef_optnoacl

setfacl -d -m u:$MYNAME:---  nosacl_def_optnoacl sacl_def_optnoacl sacl_def_optacl nosacl_def_optacl
setfacl -d -m g:$MYGROUP:--- nosacl_def_optnoacl sacl_def_optnoacl sacl_def_optacl nosacl_def_optacl

tar -xf acl.tar -C sacl_nodef_optnoacl
tar --acls -xf acl.tar -C sacl_nodef_optacl
tar -xf acl.tar -C sacl_def_optnoacl
tar --acls -xf acl.tar -C sacl_def_optacl
tar -xf noacl.tar -C nosacl_def_optnoacl
# _NO_ ACLs in output
tar -xf noacl.tar -C nosacl_nodef_optnoacl
tar -xf noacl.tar -C nosacl_nodef_optacl
tar -cf noacl_repackaged.tar -C nosacl_nodef_optnoacl d1
# _NO_ ACLs in output (even when default ACLs exist)
tar --acls -xf noacl_repackaged.tar -C nosacl_def_optacl

ACL_LISTDIR(pure)

ACL_LISTDIR(sacl_def_optacl)
ACL_LISTDIR(sacl_def_optnoacl)
ACL_LISTDIR(sacl_nodef_optacl)
ACL_LISTDIR(sacl_nodef_optnoacl)
ACL_LISTDIR(nosacl_def_optacl)
ACL_LISTDIR(nosacl_def_optnoacl)
ACL_LISTDIR(nosacl_nodef_optacl)
ACL_LISTDIR(nosacl_nodef_optnoacl)

ACL_ASSERT(pure, sacl_def_optacl, =)

ACL_ASSERT(sacl_def_optacl,     sacl_nodef_optacl,      =)
ACL_ASSERT(sacl_def_optnoacl,   nosacl_def_optnoacl,    =)
ACL_ASSERT(sacl_nodef_optnoacl, nosacl_nodef_optnoacl,  =)
ACL_ASSERT(nosacl_def_optacl,   nosacl_nodef_optacl,    =)
ACL_ASSERT(nosacl_def_optacl,   nosacl_nodef_optnoacl,  =)

ACL_ASSERT(sacl_def_optacl,     sacl_def_optnoacl,      !=)
ACL_ASSERT(sacl_def_optacl,     nosacl_def_optnoacl,    !=)
ACL_ASSERT(nosacl_def_optnoacl, nosacl_nodef_optnoacl,  !=)
],
[0],
[],
[])

AT_CLEANUP