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#!/bin/bash
#
# lp-509180.sh: Test for https://launchpad.net/bugs/509180
# Author: Colin Ian King <colin.king@canonical.com>
#
# Copyright (C) 2012 Canonical, Ltd.
#
# This program 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 2
# of the License, or (at your option) any later version.
#
# This program 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
test_script_dir=$(dirname $0)
rc=1
test_dir=""
xattr_opt=""
. ${test_script_dir}/../lib/etl_funcs.sh
test_cleanup()
{
etl_remove_test_dir $test_dir
etl_umount
etl_lumount
etl_unlink_keys
exit $rc
}
trap test_cleanup 0 1 2 3 15
# This test is mainly for the filename encryption case, but it is also valid for
# plaintext filename support
etl_add_keys || exit
etl_lmount || exit
etl_mount_i || exit
test_dir=$(etl_create_test_dir) || exit
# Test method: https://bugs.launchpad.net/ecryptfs/+bug/509180/comments/50
# Create 1 byte test file
echo "testing 1 2 3" > $test_dir/test_file
old_sum=`md5sum $test_dir/test_file | cut -d ' ' -f 1`
lower_file=`ls $ETL_MOUNT_SRC/ECRYPTFS*/*`
if etl_is_mount_opt_set "ecryptfs_xattr_metadata" ; then
xattr_opt="-x"
fi
# Increment 9th byte so that eCryptfs marker fails validation
${test_script_dir}/lp-509180/test -i $xattr_opt $lower_file || exit
etl_umount
etl_mount_i || exit
cat $test_dir/test_file &> /dev/null
# Decrement 9th byte so that eCryptfs marker passes validation
${test_script_dir}/lp-509180/test -d $xattr_opt $lower_file || exit
new_sum=`md5sum $test_dir/test_file | cut -d ' ' -f 1`
# md5sums should be the same
if [ $old_sum = $new_sum ]; then
rc=0
fi
exit
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