1#!/bin/sh 2# Make sure cp -p isn't too generous with file permissions. 3 4# Copyright (C) 2006-2023 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_ cp 21 22# cp -p gives ENOTSUP on NFS on Linux 2.6.9 at least 23require_local_dir_ 24 25umask 022 26mkfifo_or_skip_ fifo 27 28# Terminate any background cp process 29cleanup_() { kill $pid 2>/dev/null && wait $pid; } 30 31# Copy a fifo's contents. That way, we can examine the 32# destination permissions before they're finalized. 33cp -p --copy-contents fifo fifo-copy & pid=$! 34 35( 36 # Now 'cp' is reading the fifo. Wait for the destination file to 37 # be created, encouraging things along by echoing to the fifo. 38 while test ! -f fifo-copy; do 39 echo foo 40 done 41 42 # Check the permissions of the destination. 43 ls -l fifo-copy >ls.out 44 45 # Close the fifo so that "cp" can continue. But output first, 46 # before exiting, otherwise some shells would optimize away the file 47 # descriptor that holds the fifo open. 48 echo foo 49) >fifo 50 51case $(cat ls.out) in 52-???------*) ;; 53*) fail=1;; 54esac 55 56wait $pid || fail=1 57 58Exit $fail 59