tests/misc/xattr

   1 #!/bin/sh
   2 # Ensure that cp --preserve=xattr, cp --preserve=all and mv preserve extended
   3 # attributes and install does not preserve extended attributes.
   4 # cp -a should preserve xattr, error diagnostics should not be displayed
   5
   6 # Copyright (C) 2009-2010 Free Software Foundation, Inc.
   7
   8 # This program is free software: you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation, either version 3 of the License, or
  11 # (at your option) any later version.
  12
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 if test "$VERBOSE" = yes; then
  22   set -x
  23   cp --version
  24   mv --version
  25   ginstall --version
  26 fi
  27
  28 . $srcdir/test-lib.sh
  29
  30 # Skip this test if cp was built without xattr support:
  31 touch src dest || framework_failure
  32 cp --preserve=xattr -n src dest \
  33   || skip_test_ "coreutils built without xattr support"
  34
  35 # this code was taken from test mv/backup-is-src
  36 cleanup_() { rm -rf "$other_partition_tmpdir"; }
  37 . "$abs_srcdir/other-fs-tmpdir"
  38 b_other="$other_partition_tmpdir/b"
  39 rm -f "$b_other" || framework_failure
  40
  41 # testing xattr name-value pair
  42 xattr_name="user.foo"
  43 xattr_value="bar"
  44 xattr_pair="$xattr_name=\"$xattr_value\""
  45
  46 # create new file and check its xattrs
  47 touch a || framework_failure
  48 getfattr -d a >out_a || skip_test_ "failed to get xattr of file"
  49 grep -F "$xattr_pair" out_a && framework_failure
  50
  51 # try to set user xattr on file
  52 setfattr -n "$xattr_name" -v "$xattr_value" a >out_a \
  53   || skip_test_ "failed to set xattr of file"
  54 getfattr -d a >out_a || skip_test_ "failed to get xattr of file"
  55 grep -F "$xattr_pair" out_a \
  56   || skip_test_ "failed to set xattr of file"
  57
  58
  59 # cp should not preserve xattr by default
  60 cp a b || fail=1
  61 getfattr -d b >out_b || skip_test_ "failed to get xattr of file"
  62 grep -F "$xattr_pair" out_b && fail=1
  63
  64 # test if --preserve=xattr option works
  65 cp --preserve=xattr a b || fail=1
  66 getfattr -d b >out_b || skip_test_ "failed to get xattr of file"
  67 grep -F "$xattr_pair" out_b || fail=1
  68
  69 # test if --preserve=all option works
  70 cp --preserve=all a c || fail=1
  71 getfattr -d c >out_c || skip_test_ "failed to get xattr of file"
  72 grep -F "$xattr_pair" out_c || fail=1
  73
  74 # cp's -a option must produce no diagnostics.
  75 cp -a a d 2>err && test -s err && fail=1
  76 getfattr -d d >out_d || skip_test_ "failed to get xattr of file"
  77 grep -F "$xattr_pair" out_d || fail=1
  78
  79 # test if --preserve=xattr works even for files without write access
  80 chmod a-w a || framework_failure
  81 rm -f e
  82 cp --preserve=xattr a e || fail=1
  83 getfattr -d e >out_e || skip_test_ "failed to get xattr of file"
  84 grep -F "$xattr_pair" out_e || fail=1
  85
  86 # Ensure that permission bits are preserved, too.
  87 src_perm=$(stat --format=%a a)
  88 dst_perm=$(stat --format=%a e)
  89 test "$dst_perm" = "$src_perm" || fail=1
  90
  91 chmod u+w a || framework_failure
  92
  93 rm b || framework_failure
  94
  95 # install should never preserve xattr
  96 ginstall a b || fail=1
  97 getfattr -d b >out_b || skip_test_ "failed to get xattr of file"
  98 grep -F "$xattr_pair" out_b && fail=1
  99
 100 # mv should preserve xattr when renaming within a file system.
 101 # This is implicitly done by rename () and doesn't need explicit
 102 # xattr support in mv.
 103 mv a b || fail=1
 104 getfattr -d b >out_b || skip_test_ "failed to get xattr of file"
 105 grep -F "$xattr_pair" out_b || cat >&2 <<EOF
 106 =================================================================
 107 $0: WARNING!!!
 108 rename () does not preserve extended attributes
 109 =================================================================
 110 EOF
 111
 112 # try to set user xattr on file on other partition
 113 test_mv=1
 114 touch "$b_other" || framework_failure
 115 setfattr -n "$xattr_name" -v "$xattr_value" "$b_other" >out_a \
 116   || test_mv=0
 117 getfattr -d "$b_other" >out_b || test_mv=0
 118 grep -F "$xattr_pair" out_b || test_mv=0
 119 rm -f "$b_other" || framework_failure
 120
 121 if test $test_mv -eq 1; then
 122   # mv should preserve xattr when copying content from one partition to another
 123   mv b "$b_other" || fail=1
 124   getfattr -d "$b_other" >out_b ||
 125     skip_test_ "failed to get xattr of file"
 126   grep -F "$xattr_pair" out_b || fail=1
 127 else
 128   cat >&2 <<EOF
 129 =================================================================
 130 $0: WARNING!!!
 131 failed to set xattr of file $b_other
 132 =================================================================
 133 EOF
 134 fi
 135
 136 Exit $fail