#! /usr/bin/ksh
|
#
|
#
|
# This file and its contents are supplied under the terms of the
|
# Common Development and Distribution License ("CDDL"), version 1.0.
|
# You may only use this file in accordance with the terms of version
|
# 1.0 of the CDDL.
|
#
|
# A full copy of the text of the CDDL should have accompanied this
|
# source. A copy of the CDDL is also available via the Internet at
|
# http://www.illumos.org/license/CDDL.
|
#
|
|
#
|
# Copyright 2022 Marcel Telka
|
#
|
|
|
function usage
|
{
|
[[ -n "$1" ]] && printf "ERROR: %s\n\n" "$1" >&2
|
printf "Usage: license-detector [-d] LICENSE_FILE\n" >&2
|
[[ -n "$1" ]] && exit 1
|
exit 0
|
}
|
|
|
DEBUG=0
|
while getopts ":hd" OPT ; do
|
case "$OPT" in
|
"?"|"h") usage ;;
|
"d") DEBUG=1 ;;
|
esac
|
done
|
shift $((OPTIND - 1))
|
|
(($# == 0)) && usage
|
(($# > 1)) && usage "Too many arguments"
|
|
LICENSE_FILE="$1"
|
[[ -e "$LICENSE_FILE" ]] || usage "$LICENSE_FILE not found"
|
[[ -d "$LICENSE_FILE" ]] && usage "$LICENSE_FILE is directory"
|
[[ -r "$LICENSE_FILE" ]] || usage "Unable to read $LICENSE_FILE"
|
|
WS_TOOLS=$(dirname $0)
|
|
|
F="$LICENSE_FILE"
|
|
if grep -q -i "Artistic License" "$F" ; then
|
if ! grep -q -i "Artistic License.*2" "$F" ; then
|
D=
|
grep -q "7\. C subroutines" "$F" && grep -q "10\. THIS PACKAGE IS PROVIDED" "$F" && D="Artistic-1.0-Perl"
|
grep -q "7\. C or perl subroutines" "$F" && grep -q "10\. THIS PACKAGE IS PROVIDED" "$F" && D="Artistic-1.0-cl8"
|
grep -q "7\. C or perl subroutines" "$F" && grep -q "9\. THIS PACKAGE IS PROVIDED" "$F" && D="Artistic-1.0"
|
else
|
D="Artistic-2.0"
|
fi
|
[[ -n "$L" && -n "$D" ]] && L="$L OR " ; L="$L$D"
|
fi
|
|
if grep -A 1 "GNU GENERAL PUBLIC LICENSE" "$F" | grep -q "Version 1, February 1989" ; then
|
D="GPL-1.0-only"
|
grep -A 2 "GNU General Public License as published by the" "$F" | grep -q "or (at your option) any" && D="GPL-1.0-or-later"
|
[[ -n "$L" ]] && L="$L OR " ; L="$L$D"
|
fi
|
|
TMPFILE=$(mktemp -q)
|
[[ -z "$TMPFILE" ]] && printf "ERROR: Temporary file creation failed\n" >&2 && exit 1
|
|
typeset -A matched
|
for l in "$WS_TOOLS"/licenses/* ; do
|
[[ -f "$l" ]] || continue
|
# skip filters
|
[[ "$l" != "${l%.filter}" ]] && continue
|
|
# extract license identifier
|
license_id="${l##*/}"
|
license_id="${license_id#header.}"
|
license_id="${license_id#license.}"
|
# sanity check, this should never happen
|
[[ -z "$license_id" ]] && continue
|
|
# make sure we do not match one license twice
|
[[ -n "$matched[$license_id]" ]] && continue
|
|
cat <<#EOF > "$TMPFILE"
|
dos2unix -ascii \\
|
| tr -d '\\014' \\
|
| awk '/^#/{next}/^\$/{\$0="\n"}1' ORS=' ' \\
|
| sed -E -e 's/[[:space:]]+/ /g' -e 's/^ //' -e 's/ \$//' -e '/^\$/d' \\
|
EOF
|
# Apply filter if any
|
[[ -x "$l.filter" ]] && printf '\t| %s \\\n' "$l.filter" >> "$TMPFILE"
|
cat <<#EOF >> "$TMPFILE"
|
| tr ' ' '\\n' | fmt
|
EOF
|
|
REDIRECT="/dev/null"
|
|
if ((DEBUG)) ; then
|
REDIRECT="/dev/stdout"
|
printf "[DBG] TEMPLATE %s\n" "${l##*/}"
|
. "$TMPFILE" < "$l"
|
printf "[DBG] FILE\n"
|
. "$TMPFILE" < "$F"
|
printf "[DBG] DIFFS\n"
|
fi
|
|
diff -i <(. "$TMPFILE" < "$l") <(. "$TMPFILE" < "$F") > "$REDIRECT" || continue
|
|
matched[$license_id]="$l"
|
|
[[ -n "$L" ]] && L="$L OR "
|
L="$L$license_id"
|
done
|
|
rm -f "$TMPFILE"
|
|
[[ -n "$L" ]] && printf "%s\n" "$L"
|
