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#! /bin/sh
# SPDX-License-Identifier: BSD-3-Clause
#
# Copyright (c) 2018, 2019, Intel Corporation
# Mptcpd expects key installation directories and files to only be
# writable by the owner and group. This script verifies that the
# write mode for "other" is not set.
usage()
{
echo "Usage: $0 file|directory ... "
exit 1
}
test -z "$1" && usage
exit_status=0
for p in $@; do
# Access rights in human readable form (e.g. "drwxrwxr-x")
perms=`stat --dereference --format=%A $p`
# The write mode for "others".
other_write=`echo $perms | sed -e 's/.*\(.\).$/\1/'`
# Check if the file or directory is writable by "other".
if test $other_write != "-"; then
echo "ERROR: incorrect permissions ($perms) for '$p'"
echo "ERROR: '$p' should only be owner/group writable"
exit_status=1
fi
done
exit $exit_status
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