tests/id/setgid.sh

   1 #!/bin/sh
   2 # Verify that id [-G] prints the right group when run set-GID.
   3
   4 # Copyright (C) 2012-2017 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 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ id
  21 require_root_
  22
  23 # Construct a different group number
  24 gp1=$NON_ROOT_GID
  25 gp1=$(expr $gp1 + 1) ||
  26   skip_ "failed to adjust GID $NON_ROOT_GID"
  27
  28 echo $gp1 > exp || framework_failure_
  29
  30 # With coreutils-8.16 and earlier, id -G would print both:
  31 #  $gp1 $NON_ROOT_GID
  32 chroot --skip-chdir --user=$NON_ROOT_USERNAME:+$gp1 --groups='' / \
  33   env PATH="$PATH" id -G > out || fail=1
  34 compare exp out || fail=1
  35
  36 # With coreutils-8.22 and earlier, id would erroneously print
  37 #  groups=$NON_ROOT_GID
  38 chroot --skip-chdir --user=$NON_ROOT_USERNAME:+$gp1 --groups='' / \
  39   env PATH="$PATH" id > out || fail=1
  40 grep -F "groups=$gp1" out || { cat out; fail=1; }
  41
  42 Exit $fail