tar/tests/multiv09.at

# Process this file with autom4te to create testsuite. -*- Autotest -*-
# Test suite for GNU tar.
# Copyright 2015-2023 Free Software Foundation, Inc.
#
# 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/>.

# Description: Tar <=1.28 would segfault extracting from a multi-volume
# archive containing filenames >= 100 characters if the subsequent volume
# was not set properly.
# Reported by: Pavel Raiskup <[email protected]>
# References: https://bugzilla.redhat.com/show_bug.cgi?id=866071,
#    <[email protected]>,
#    http://lists.gnu.org/archive/html/bug-tar/2012-11/msg00009.html

AT_SETUP([bad next volume])
AT_KEYWORDS([multivolume multiv multiv09])

# filename of length 100 characters
m4_pushdef([FILENAME],[dnl
m4_for([N],1,100,,[a])])

AT_TAR_CHECK([
genfile --length 2000000 --file FILENAME
tar --format=gnu -cM --tape-length 1M -f A.tar -f B.tar FILENAME || exit $?
echo "created"
tar --format=gnu -xM -f A.tar 2>/dev/null <<EOF
y
q
EOF
],
[2],
[created
])

AT_CLEANUP

m4_popdef([FILENAME])