1 files changed, 66 insertions, 0 deletions
diff --git a/tests/kernel/lp-509180.sh b/tests/kernel/lp-509180.sh
new file mode 100755
index 0000000..854bd56
--- /dev/null
+++ b/tests/kernel/lp-509180.sh
@@ -0,0 +1,66 @@
+#!/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=""
+
+. ${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 $ETL_MOUNT_SRC/ECRYPTFS*/*`
+
+# Increment 9th byte so that eCryptfs marker fails validation
+${test_script_dir}/lp-509180/test -i $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 $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