tests/misc/shred-remove.sh

   1 #!/bin/sh
   2 # Exercise shred --remove
   3
   4 # Copyright (C) 1999-2016 Free Software Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ shred
  21 skip_if_root_
  22
  23 # The length of the basename is what matters.
  24 # In this case, shred-4.0l would try to rename the file 256^10 times
  25 # before terminating.
  26 file=0123456789
  27 touch $file || framework_failure_
  28 chmod u-w $file || framework_failure_
  29
  30 # This would take so long that it appears to infloop
  31 # when using version from fileutils-4.0k.
  32 # When the command completes, expect it to fail.
  33 returns_ 1 shred -u $file > /dev/null 2>&1 || fail=1
  34 rm -f $file || framework_failure_
  35
  36 # Ensure all --remove methods at least unlink the file
  37 for mode in '' '=unlink' '=wipe' '=wipesync'; do
  38   touch $file || framework_failure_
  39   shred -n0 --remove"$mode" $file || fail=1
  40   test -e $file && fail=1
  41 done
  42
  43 # Ensure incorrect params are diagnosed
  44 touch $file || framework_failure_
  45 returns_ 1 shred -n0 --remove=none $file 2>/dev/null || fail=1
  46
  47 Exit $fail