# Check for file injection bug with symlinks. -*- Autotest -*-

# Copyright 2026 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/>.

# Thanks to Guillermo de Angel for the bug report and test cases; see:
# https://lists.gnu.org/r/bug-tar/2026-03/msg00007.html

AT_SETUP([skip file injection])
AT_KEYWORDS([injection])
AT_DATA([archive.in],
[/Td6WFoAAATm1rRGBMDbAYAcIQEcAAAAAAAAACYr+9LgDf8A010AMZhKvfVdtHe4Rxjj7M03ek97
UgeKfJ0ORqYg0XDFntWxdTH4PYrTOo9CoqBrnTM2NcwFBrRVr7aFwdd56vddyAw2QGDjxgNexDU3
ImTi/+z8ZOLMi/+AybdEpd5aA/M9Maa+8tQ84bySzSAwrmxMWJJ6W9IKvsqfiRa3TrD51v44PZU/
KLVKpocS56n/O3g+b+hiZwaysR0eLO+tiU8FB/e3PEq3vTtDFVi/YfZMieBWSzomSX9eF13K1yPY
UuWgp7VokXqduL0YGNVV40MTPG9oAAAApD6mpajengIAAfcBgBwAAOM4xw6xxGf7AgAAAAAEWVo=
])
AT_CHECK([base64 --help >/dev/null 2>&1 || AT_SKIP_TEST
xz --help >/dev/null 2>&1 || AT_SKIP_TEST
base64 -d < archive.in | xz -c -d > archive.tar
])
cp archive.tar /tmp
AT_CHECK([tar tf archive.tar],
[0],
[carrier_entry
marker.txt
])
AT_CHECK([tar xvf archive.tar],
[0],
[carrier_entry
marker.txt
])
AT_CLEANUP