mirror of
https://github.com/linux-apfs/apfstests.git
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Eric Biggers
b8f280fcdb
Several kernel bugs were recently fixed regarding the constraints for setting encryption policies. Add tests for these cases and a few more. Signed-off-by: Eric Biggers <ebiggers@google.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
136 lines
5.1 KiB
Bash
Executable File
136 lines
5.1 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test generic/395
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#
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# Test setting and getting encryption policies.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2016 Google, Inc. All Rights Reserved.
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#
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# Author: Eric Biggers <ebiggers@google.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/encrypt
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# remove previous $seqres.full before test
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rm -f $seqres.full
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# real QA test starts here
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_supported_fs generic
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_supported_os Linux
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_require_scratch_encryption
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_require_xfs_io_command "get_encpolicy"
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_require_xfs_io_command "set_encpolicy"
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_require_user
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_scratch_mkfs_encrypted &>> $seqres.full
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_scratch_mount
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check_no_policy()
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{
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# When a file is unencrypted, FS_IOC_GET_ENCRYPTION_POLICY currently
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# fails with ENOENT on ext4 but with ENODATA on f2fs. TODO: it's
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# planned to consistently use ENODATA. For now this test accepts both.
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$XFS_IO_PROG -c "get_encpolicy" $1 |&
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sed -e 's/No such file or directory/No data available/'
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}
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# Should be able to set an encryption policy on an empty directory
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empty_dir=$SCRATCH_MNT/empty_dir
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echo -e "\n*** Setting encryption policy on empty directory ***"
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mkdir $empty_dir
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check_no_policy $empty_dir |& _filter_scratch
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$XFS_IO_PROG -c "set_encpolicy 0000111122223333" $empty_dir
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$XFS_IO_PROG -c "get_encpolicy" $empty_dir | _filter_scratch
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# Should be able to set the same policy again, but not a different one.
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# TODO: the error code for "already has a different policy" is planned to switch
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# from EINVAL to EEXIST. For now this test accepts both.
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echo -e "\n*** Setting encryption policy again ***"
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$XFS_IO_PROG -c "set_encpolicy 0000111122223333" $empty_dir
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$XFS_IO_PROG -c "get_encpolicy" $empty_dir | _filter_scratch
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$XFS_IO_PROG -c "set_encpolicy 4444555566667777" $empty_dir |& \
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_filter_scratch | sed -e 's/Invalid argument/File exists/'
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$XFS_IO_PROG -c "get_encpolicy" $empty_dir | _filter_scratch
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# Should *not* be able to set an encryption policy on a nonempty directory
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nonempty_dir=$SCRATCH_MNT/nonempty_dir
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echo -e "\n*** Setting encryption policy on nonempty directory ***"
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mkdir $nonempty_dir
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touch $nonempty_dir/file
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$XFS_IO_PROG -c "set_encpolicy" $nonempty_dir |& _filter_scratch
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check_no_policy $nonempty_dir |& _filter_scratch
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# Should *not* be able to set an encryption policy on a nondirectory file, even
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# an empty one. Regression test for 002ced4be642: "fscrypto: only allow setting
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# encryption policy on directories".
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# TODO: the error code for "not a directory" is planned to switch from EINVAL to
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# ENOTDIR. For now this test accepts both.
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nondirectory=$SCRATCH_MNT/nondirectory
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echo -e "\n*** Setting encryption policy on nondirectory ***"
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touch $nondirectory
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$XFS_IO_PROG -c "set_encpolicy" $nondirectory |& \
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_filter_scratch | sed -e 's/Invalid argument/Not a directory/'
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check_no_policy $nondirectory |& _filter_scratch
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# Should *not* be able to set an encryption policy on another user's directory.
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# Regression test for 163ae1c6ad62: "fscrypto: add authorization check for
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# setting encryption policy".
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unauthorized_dir=$SCRATCH_MNT/unauthorized_dir
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echo -e "\n*** Setting encryption policy on another user's directory ***"
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mkdir $unauthorized_dir
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su $qa_user -c "$XFS_IO_PROG -c \"set_encpolicy\" $unauthorized_dir" |& \
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_filter_scratch
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check_no_policy $unauthorized_dir |& _filter_scratch
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# Should *not* be able to set an encryption policy on a directory on a
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# filesystem mounted readonly. Regression test for ba63f23d69a3: "fscrypto:
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# require write access to mount to set encryption policy". Test both a regular
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# readonly filesystem and a readonly bind mount of a read-write filesystem.
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echo -e "\n*** Setting encryption policy on readonly filesystem ***"
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mkdir $SCRATCH_MNT/ro_dir $SCRATCH_MNT/ro_bind_mnt
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_scratch_remount ro
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$XFS_IO_PROG -c "set_encpolicy" $SCRATCH_MNT/ro_dir |& _filter_scratch
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check_no_policy $SCRATCH_MNT/ro_dir |& _filter_scratch
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_scratch_remount rw
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mount --bind $SCRATCH_MNT $SCRATCH_MNT/ro_bind_mnt
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mount -o remount,ro,bind $SCRATCH_MNT/ro_bind_mnt
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$XFS_IO_PROG -c "set_encpolicy" $SCRATCH_MNT/ro_bind_mnt/ro_dir |& _filter_scratch
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check_no_policy $SCRATCH_MNT/ro_bind_mnt/ro_dir |& _filter_scratch
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umount $SCRATCH_MNT/ro_bind_mnt
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# success, all done
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status=0
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exit
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