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apfstests/tests/xfs/296
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Filipe Manana 2b5cf241ec fstests: add a filter for the new getcap output
Starting with version 2.41 of libcap, the output of the getcap program
changed and therefore some existing tests fail when the installed version
of libcap is >= 2.41 (the latest version available at the moment is 2.44).

The change was made by the following commit of libcap:

  commit 177cd418031b1acfcf73fe3b1af9f3279828681c
  Author: Andrew G. Morgan <morgan@kernel.org>
  Date:   Tue Jul 21 22:58:05 2020 -0700

      A more compact form for the text representation of capabilities.

      While this does not change anything about the supported range of
      equivalent text specifications for capabilities, as accepted by
      cap_from_text(), this does alter the preferred output format of
      cap_to_text() to be two characters shorter in most cases. That is,
      what used to be summarized as:

         "= cap_foo+..."

      is now converted to the equivalent text:

         "cap_foo=..."

      which is also more intuitive.

So add a filter to change the old format to the new one, an helper that
calls getcap with that filter, make existing tests use the new helper and
update their golden output to match the new output format of getcap.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
2020-10-11 21:17:06 +08:00

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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2013 Red Hat, Inc. All Rights Reserved.
#
# FS QA Test No. 296
#
# Test that xfsdump/restore preserves file capabilities
#
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()
{
_cleanup_dump
cd /
rm -f $tmp.*
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
. ./common/dump
# real QA test starts here
# Modify as appropriate.
_supported_fs xfs
_require_scratch
_require_command "$SETCAP_PROG" setcap
_require_command "$GETCAP_PROG" getcap
rm -f $seqres.full
_wipe_fs
mkdir -p $dump_dir
echo test > $dump_dir/testfile
# Set a generic xattr
setfattr -n user.name -v value $dump_dir/testfile
# Now set the cap (which is also an xattr)
$SETCAP_PROG cap_setgid,cap_setuid+ep $dump_dir/testfile
# And make sure they are there on the source
echo "Checking for xattr on source file"
getfattr --absolute-names -m user.name $dump_dir/testfile | _dir_filter
echo "Checking for capability on source file"
_getcap $dump_dir/testfile | _dir_filter
getfattr --absolute-names -m security.capability $dump_dir/testfile | _dir_filter
_do_dump_file -f $tmp.df.0
_prepare_restore_dir
_do_restore_file
# Basic dump/restore checks first - the file is there, right?
_ls_compare_sub
_diff_compare
echo "Checking for xattr on restored file"
getfattr --absolute-names -m user.name $restore_dir/$dump_sdir/testfile | _dir_filter
echo "Checking for capability on restored file"
_getcap $restore_dir/$dump_sdir/testfile | _dir_filter
getfattr --absolute-names -m security.capability $restore_dir/$dump_sdir/testfile | _dir_filter
status=0
exit