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-rwxr-xr-xtests/chmod/setgid.sh64
1 files changed, 64 insertions, 0 deletions
diff --git a/tests/chmod/setgid.sh b/tests/chmod/setgid.sh
new file mode 100755
index 0000000..3fed671
--- /dev/null
+++ b/tests/chmod/setgid.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+# Make sure GNU chmod works the same way as those of Solaris, HPUX, AIX
+# on directories with the setgid bit set. Also, check that the GNU octal
+# notations work.
+
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ chmod
+
+umask 0
+mkdir -m 755 d || framework_failure_
+
+chmod g+s d 2> /dev/null && env -- test -g d ||
+ {
+ # This is required because on some systems (at least NetBSD 1.4.2A),
+ # it may happen that when you create a directory, its group isn't one
+ # to which you belong. When that happens, the above chmod fails. So
+ # here, upon failure, we try to set the group, then rerun the chmod command.
+
+ id_g=$(id -g) &&
+ test -n "$id_g" &&
+ chgrp "$id_g" d &&
+ chmod g+s d || framework_failure_
+ }
+
+# "chmod g+s d" does nothing on some NFS file systems.
+env -- test -g d ||
+ skip_ 'cannot create setgid directories'
+
+for mode in \
+ + - g-s 00755 000755 =755 -2000 -7022 755 0755 \
+ +2000 -5022 =7777,-5022
+do
+ chmod $mode d || fail=1
+
+ case $mode in
+ g-s | 00*755 | =755 | -2000 | -7022)
+ expected_mode=drwxr-xr-x ;;
+ *) expected_mode=drwxr-sr-x ;;
+ esac
+ ls_output=$(ls -ld d)
+ case $ls_output in
+ $expected_mode*) ;;
+ *) fail=1 ;;
+ esac
+
+ chmod =2755 d || fail=1
+done
+
+Exit $fail