1 files changed, 59 insertions, 0 deletions
diff --git a/tests/cp/parent-perm-race.sh b/tests/cp/parent-perm-race.sh
new file mode 100755
index 0000000..5c142d1
--- /dev/null
+++ b/tests/cp/parent-perm-race.sh
@@ -0,0 +1,59 @@
+#!/bin/sh
+# Make sure cp -pR --parents isn't too generous with parent permissions.
+
+# Copyright (C) 2006-2022 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_ cp
+
+# cp -p gives ENOTSUP on NFS on Linux 2.6.9 at least
+require_local_dir_
+
+umask 002
+mkdir mode ownership d || framework_failure_
+chmod g+s d 2>/dev/null # The cp test is valid either way.
+
+# Terminate any background cp process.
+pid=
+cleanup_() { kill $pid 2>/dev/null && wait $pid; }
+
+for attr in mode ownership
+do
+  mkfifo_or_skip_ $attr/fifo
+
+  # Copy a fifo's contents.  That way, we can examine d/$attr's
+  # state while cp is running.
+  timeout 10 cp --preserve=$attr -R --copy-contents --parents $attr d & pid=$!
+
+  # Check the permissions of the destination directory that 'cp' has made.
+  # 'ls' won't start until after 'cp' has made the destination directory
+  # $d/attr and has started to read the source file $attr/fifo.
+  timeout 10 sh -c "ls -ld d/$attr >$attr/fifo" || fail=1
+
+  wait $pid || fail=1
+
+  ls_output=$(cat d/$attr/fifo) || fail=1
+  case $attr,$ls_output in
+  ownership,d???--[-S]--[-S]* | \
+  mode,d????-??-?* | \
+  mode,d??[-x]?w[-x]?-[-x]* )
+    ;;
+  *)
+    fail=1;;
+  esac
+done
+
+Exit $fail