tests/mkdir/perm.sh

   1 #!/bin/sh
   2 # Verify that mkdir's '-m MODE' option works properly
   3 # with various umask settings.
   4
   5 # Copyright (C) 2000-2024 Free Software Foundation, Inc.
   6
   7 # This program is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19
  20 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  21 print_ver_ mkdir
  22 skip_if_setgid_
  23 require_no_default_acl_ .
  24
  25 working_umask_or_skip_
  26
  27
  28 #                         parent        parent/dir
  29 # umask   -m option   resulting perm  resulting perm
  30 tests='
  31     000  :   empty    : drwxrwxrwx : drwxrwxrwx :
  32     000  :   -m 016   : drwxrwxrwx : d-----xrw- :
  33     077  :   empty    : drwx------ : drwx------ :
  34     050  :   empty    : drwx-w-rwx : drwx-w-rwx :
  35     050  :   -m 312   : drwx-w-rwx : d-wx--x-w- :
  36     160  :   empty    : drwx--xrwx : drw---xrwx :
  37     160  :   -m 743   : drwx--xrwx : drwxr---wx :
  38     022  :   -m o-w   : drwxr-xr-x : drwxrwxr-x :
  39     027  :   -m =+x   : drwxr-x--- : d--x--x--- :
  40     027  :   -m =+X   : drwxr-x--- : d--x--x--- :
  41     -    :   -        : last       : last       :
  42     '
  43 colon_tests=$(echo $tests | sed 's/^ *//; s/ *: */:/g')
  44
  45 for p in empty -p; do
  46   test _$p = _empty && p=
  47
  48   old_IFS=$IFS
  49   IFS=':'
  50   set $colon_tests
  51   IFS=$old_IFS
  52
  53   while :; do
  54     test "$VERBOSE" = yes && set -x
  55     umask=$1 mode=$2 parent_perms=$3 sub_perms=$4
  56     test "_$mode" = _empty && mode=
  57     test $sub_perms = last && break
  58     # echo p=$p umask=$1 mode=$2 parent_perms=$3 sub_perms=$4
  59     shift; shift; shift; shift
  60     umask $umask
  61
  62     # If we're not using -p, then create the parent manually,
  63     # and adjust expectations accordingly.
  64     test x$p = x &&
  65       {
  66         mkdir -m =,u=rwx parent || fail=1
  67         parent_perms=drwx------
  68       }
  69
  70     mkdir $p $mode parent/sub || fail=1
  71
  72     perms=$(stat --printf %A parent)
  73     test "$parent_perms" = "$perms" \
  74       || { fail=1; echo parent: expected $parent_perms, got $perms; }
  75
  76     perms=$(stat --printf %A parent/sub)
  77     test "$sub_perms" = "$perms" \
  78       || { fail=1; echo parent/sub: expected $sub_perms, got $perms; }
  79
  80     chmod -R u+rwx parent
  81     rm -rf parent || fail=1
  82   done
  83 done
  84
  85 Exit $fail