1#!/bin/sh 2# Make sure that touch gives reasonable diagnostics when applied 3# to an unwritable directory owned by some other user. 4 5# Copyright (C) 2003-2023 Free Software Foundation, Inc. 6 7# This program is free software: you can redistribute it and/or modify 8# it under the terms of the GNU General Public License as published by 9# the Free Software Foundation, either version 3 of the License, or 10# (at your option) any later version. 11 12# This program is distributed in the hope that it will be useful, 13# but WITHOUT ANY WARRANTY; without even the implied warranty of 14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15# GNU General Public License for more details. 16 17# You should have received a copy of the GNU General Public License 18# along with this program. If not, see <https://www.gnu.org/licenses/>. 19 20. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src 21print_ver_ touch 22 23if env -- test -w /; then 24 skip_ you have write access to /. 25fi 26 27if env -- test -O / || env -- test -G /; then 28 skip_ "you own /." 29fi 30 31skip_if_root_ 32 33 34# Before fileutils-4.1, we'd get the following misleading 35# diagnostic instead of '...: Permission denied'. 36# touch: creating '/': Is a directory 37touch / > out 2>&1 && fail=1 38 39# On SunOS4, EPERM is 'Not owner'. 40# On some *BSD systems it's 'Operation not permitted'. 41# On a system where root file system is mounted read-only 42# it's 'Read-only file system'. 43for msg in 'Not owner' 'Operation not permitted' 'Permission denied' \ 44 'Read-only file system'; do 45 cat > exp <<EOF 46touch: setting times of '/': $msg 47EOF 48 49 cmp out exp > /dev/null 2>&1 && { match=1; break; } 50done 51test "$match" = 1 || fail=1 52 53test $fail = 1 && compare exp out 54 55Exit $fail 56