tests/misc/xattr.sh

   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) 2009-2024 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 <https://www.gnu.org/licenses/>.
  20
  21 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  22 print_ver_ cp mv ginstall
  23
  24 # Skip this test if cp was built without xattr support:
  25 touch src dest || framework_failure_
  26 cp --preserve=xattr -n src dest \
  27   || skip_ "coreutils built without xattr support"
  28
  29 # this code was taken from test mv/backup-is-src
  30 cleanup_() { rm -rf "$other_partition_tmpdir"; }
  31 . "$abs_srcdir/tests/other-fs-tmpdir"
  32 b_other="$other_partition_tmpdir/b"
  33 rm -f "$b_other" || framework_failure_
  34
  35 # testing xattr name-value pair
  36 xattr_name="user.foo"
  37 xattr_value="bar"
  38 xattr_pair="$xattr_name=\"$xattr_value\""
  39
  40 # create new file and check its xattrs
  41 touch a || framework_failure_
  42 getfattr -d a >out_a || skip_ "failed to get xattr of file"
  43 grep -F "$xattr_pair" out_a && framework_failure_
  44
  45 # try to set user xattr on file
  46 setfattr -n "$xattr_name" -v "$xattr_value" a >out_a \
  47   || skip_ "failed to set xattr of file"
  48 getfattr -d a >out_a || skip_ "failed to get xattr of file"
  49 grep -F "$xattr_pair" out_a \
  50   || skip_ "failed to set xattr of file"
  51
  52
  53 # cp should not preserve xattr by default
  54 cp a b || fail=1
  55 getfattr -d b >out_b || skip_ "failed to get xattr of file"
  56 grep -F "$xattr_pair" out_b && fail=1
  57
  58 # test if --preserve=xattr option works
  59 cp --preserve=xattr a b || fail=1
  60 getfattr -d b >out_b || skip_ "failed to get xattr of file"
  61 grep -F "$xattr_pair" out_b || fail=1
  62
  63 # test if --preserve=all option works
  64 cp --preserve=all a c || fail=1
  65 getfattr -d c >out_c || skip_ "failed to get xattr of file"
  66 grep -F "$xattr_pair" out_c || fail=1
  67
  68 # cp's -a option must produce no diagnostics.
  69 cp -a a d 2>err && { compare /dev/null err || fail=1; }
  70 getfattr -d d >out_d || skip_ "failed to get xattr of file"
  71 grep -F "$xattr_pair" out_d || fail=1
  72
  73 # test if --preserve=xattr works even for files without write access
  74 chmod a-w a || framework_failure_
  75 rm -f e
  76 cp --preserve=xattr a e || fail=1
  77 getfattr -d e >out_e || skip_ "failed to get xattr of file"
  78 grep -F "$xattr_pair" out_e || fail=1
  79
  80 # Ensure that permission bits are preserved, too.
  81 src_perm=$(stat --format=%a a)
  82 dst_perm=$(stat --format=%a e)
  83 test "$dst_perm" = "$src_perm" || fail=1
  84
  85 chmod u+w a || framework_failure_
  86
  87 rm b || framework_failure_
  88
  89 # install should never preserve xattr
  90 ginstall a b || fail=1
  91 getfattr -d b >out_b || skip_ "failed to get xattr of file"
  92 grep -F "$xattr_pair" out_b && fail=1
  93
  94 # mv should preserve xattr when renaming within a file system.
  95 # This is implicitly done by rename () and doesn't need explicit
  96 # xattr support in mv.
  97 mv a b || fail=1
  98 getfattr -d b >out_b || skip_ "failed to get xattr of file"
  99 grep -F "$xattr_pair" out_b || cat >&2 <<EOF
 100 =================================================================
 101 $0: WARNING!!!
 102 rename () does not preserve extended attributes
 103 =================================================================
 104 EOF
 105
 106 # try to set user xattr on file on other partition
 107 test_mv=1
 108 touch "$b_other" || framework_failure_
 109 setfattr -n "$xattr_name" -v "$xattr_value" "$b_other" >out_a \
 110   || test_mv=0
 111 getfattr -d "$b_other" >out_b || test_mv=0
 112 grep -F "$xattr_pair" out_b || test_mv=0
 113 rm -f "$b_other" || framework_failure_
 114
 115 if test $test_mv -eq 1; then
 116   # mv should preserve xattr when copying content from one partition to another
 117   mv b "$b_other" || fail=1
 118   getfattr -d "$b_other" >out_b ||
 119     skip_ "failed to get xattr of file"
 120   grep -F "$xattr_pair" out_b || fail=1
 121 else
 122   cat >&2 <<EOF
 123 =================================================================
 124 $0: WARNING!!!
 125 failed to set xattr of file $b_other
 126 =================================================================
 127 EOF
 128 fi
 129
 130 Exit $fail