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Ts'o" , linux-f2fs-devel@lists.sourceforge.net, linux-fscrypt@vger.kernel.org, Jaegeuk Kim , linux-ext4@vger.kernel.org, Victor Hsieh Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net From: Eric Biggers This primarily verifies correct ordering of the hooks for each feature: fscrypt needs to be first. Signed-off-by: Eric Biggers --- tests/generic/904 | 80 +++++++++++++++++++++++++++++++++++++++++++ tests/generic/904.out | 12 +++++++ tests/generic/group | 1 + 3 files changed, 93 insertions(+) create mode 100755 tests/generic/904 create mode 100644 tests/generic/904.out diff --git a/tests/generic/904 b/tests/generic/904 new file mode 100755 index 00000000..61bdae22 --- /dev/null +++ b/tests/generic/904 @@ -0,0 +1,80 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright 2018 Google LLC +# +# FS QA Test generic/904 +# +# Test using fs-verity and fscrypt simultaneously. This primarily verifies +# correct ordering of the hooks for each feature: fscrypt needs to be first. +# +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/verity +. ./common/encrypt + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here +_supported_fs generic +_supported_os Linux +_require_scratch_verity +_require_scratch_encryption +_require_command "$KEYCTL_PROG" keyctl + +_scratch_mkfs_encrypted_verity &>> $seqres.full +_scratch_mount + +fsv_orig_file=$tmp.file +edir=$SCRATCH_MNT/edir +fsv_file=$edir/file.fsv + +# Set up an encrypted directory. +_new_session_keyring +keydesc=$(_generate_encryption_key) +mkdir $edir +_set_encpolicy $edir $keydesc + +# Create a file within the encrypted directory and enable verity on it. +# Then check that it has an encryption policy as well. +head -c 100000 /dev/zero > $fsv_orig_file +cp $fsv_orig_file $fsv_file +_fsv_enable $fsv_file +echo +$XFS_IO_PROG -r -c "get_encpolicy" $fsv_file | _filter_scratch \ + | sed 's/Master key descriptor:.*/Master key descriptor: 0000000000000000/' +echo + +# Verify that the file contents are as expected. This should be going through +# both the decryption and verity I/O paths. +cmp $fsv_orig_file $fsv_file && echo "Files matched" + +# Just in case, try again after a mount cycle to empty the page cache. +_scratch_cycle_mount +cmp $fsv_orig_file $fsv_file && echo "Files matched" + +# Corrupt some bytes as a sanity check that fs-verity is really working. +# This also verifies that the data on-disk is really encrypted, since otherwise +# the data being written here would be identical to the old data. +head -c 1000 /dev/zero | _fsv_scratch_corrupt_bytes $fsv_file 50000 +md5sum $fsv_file |& _filter_scratch + +# success, all done +status=0 +exit diff --git a/tests/generic/904.out b/tests/generic/904.out new file mode 100644 index 00000000..5f4e249a --- /dev/null +++ b/tests/generic/904.out @@ -0,0 +1,12 @@ +QA output created by 904 + +Encryption policy for SCRATCH_MNT/edir/file.fsv: + Policy version: 0 + Master key descriptor: 0000000000000000 + Contents encryption mode: 1 (AES-256-XTS) + Filenames encryption mode: 4 (AES-256-CTS) + Flags: 0x02 + +Files matched +Files matched +md5sum: SCRATCH_MNT/edir/file.fsv: Input/output error diff --git a/tests/generic/group b/tests/generic/group index 3927f779..5b4c32ff 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -563,3 +563,4 @@ 901 auto quick verity 902 auto quick verity 903 auto quick verity +904 auto quick verity encrypt -- 2.22.0.410.gd8fdbe21b5-goog _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel