1#!/bin/sh 2# make sure chgrp is reasonable 3 4# Copyright (C) 2000-2023 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 <https://www.gnu.org/licenses/>. 18 19. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src 20print_ver_ chgrp 21require_membership_in_two_groups_ 22require_local_dir_ 23 24set _ $groups; shift 25g1=$1 26g2=$2 27mkdir d 28touch f f2 d/f3 29chgrp $g1 f || fail=1 30chgrp $g2 f || fail=1 31chgrp $g2 f2 || fail=1 32chgrp -R $g1 d || fail=1 33 34d_files='d d/f3' 35 36chgrp $g1 f || fail=1 ; test $(stat --p=%g f) = $g1 || fail=1 37chgrp $g2 f || fail=1 ; test $(stat --p=%g f) = $g2 || fail=1 38chgrp $g2 f || fail=1 ; test $(stat --p=%g f) = $g2 || fail=1 39chgrp '' f || fail=1 ; test $(stat --p=%g f) = $g2 || fail=1 40chgrp $g1 f || fail=1 ; test $(stat --p=%g f) = $g1 || fail=1 41chgrp $g1 f || fail=1 ; test $(stat --p=%g f) = $g1 || fail=1 42chgrp --reference=f2 f ; test $(stat --p=%g f) = $g2 || fail=1 43 44chgrp -R $g2 d ||fail=1; test $(stat --p=%g: $d_files) = "$g2:$g2:" || fail=1 45chgrp -R $g1 d ||fail=1; test $(stat --p=%g: $d_files) = "$g1:$g1:" || fail=1 46chgrp -R $g2 d ||fail=1; test $(stat --p=%g: $d_files) = "$g2:$g2:" || fail=1 47chgrp -R $g1 d ||fail=1; test $(stat --p=%g: $d_files) = "$g1:$g1:" || fail=1 48chgrp $g2 d ||fail=1; test $(stat --p=%g: $d_files) = "$g2:$g1:" || fail=1 49 50rm -f f 51touch f 52ln -s f symlink 53chgrp $g1 f 54test $(stat --printf=%g f) = $g1 || fail=1 55 56# This should not change the group of f. 57chgrp -h $g2 symlink 58test $(stat --printf=%g f) = $g1 || fail=1 59 60# Don't fail if chgrp failed to set the group of a symlink. 61# Some systems don't support that. 62test $(stat --printf=%g symlink) = $g2 || 63 echo 'info: failed to set group of symlink' 1>&2 64 65chown --from=:$g1 :$g2 f; test $(stat --printf=%g f) = $g2 || fail=1 66 67# This *should* change the group of f. 68# Though note that the diagnostic is misleading in that 69# it says the 'group of 'symlink'' has been changed. 70chgrp $g1 symlink; test $(stat --printf=%g f) = $g1 || fail=1 71chown --from=:$g1 :$g2 f; test $(stat --printf=%g f) = $g2 || fail=1 72 73# If -R is specified without -H or L, -h is assumed. 74chgrp -h $g1 f symlink; test $(stat --printf=%g symlink) = $g1 || fail=1 75chgrp -R $g2 symlink 76chown --from=:$g1 :$g2 f; test $(stat --printf=%g f) = $g2 || fail=1 77 78# Make sure we can change the group of inaccessible files. 79chmod a-r f 80chown --from=:$g2 :$g1 f; test $(stat --printf=%g f) = $g1 || fail=1 81chmod 0 f 82chown --from=:$g1 :$g2 f; test $(stat --printf=%g f) = $g2 || fail=1 83 84# chown() must not be optimized away even when 85# the file's owner and group already have the desired value. 86rm -f f g 87touch f g 88chgrp $g1 f g 89chgrp $g2 g 90sleep 1 91chgrp $g1 f 92 93# The following no-change chgrp command is supposed to update f's ctime, 94# but on OpenBSD and Darwin 7.9.0-8.11.1 (aka MacOS X 10.3.9 - 10.4.11) 95# it appears to be a no-op for some file system types (at least NFS) so g's 96# ctime is more recent. This is not a big deal; 97# this test works fine when the files are on a local file system (/tmp). 98chgrp '' f 99test "$(ls -C -c -t f g)" = 'f g' || \ 100 { 101 case $host_triplet in 102 *openbsd*) echo ignoring known OpenBSD-specific chgrp failure 1>&2 ;; 103 *darwin7.9.*|*darwin8.*) 104 echo ignoring known MacOS X-specific chgrp failure 1>&2 ;; 105 *) echo $host_triplet: no-change chgrp failed to update ctime 1>&2; 106 fail=1 ;; 107 esac 108 } 109 110Exit $fail 111