#! /usr/bin/perl -w
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#

#
# Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
#

#
# Create THIRDPARTYLICENSE files using the index file in $CODEMGR_WS.
#

use Cwd;
use Env;
use strict;
use vars qw($opt_c);
use Getopt::Std;

# -c: only generate crypto license file
my $usage = "mktpl [-c] license-list-file";

my $top = $ENV{"CODEMGR_WS"};
if (! $top) {
	die "CODEMGR_WS must be set.\n";
}

if (! getopts('c')) {
	die "usage: $usage\n";
}
if (@ARGV != 1) {
	die "usage: $usage\n";
}

my $indexfile = $ARGV[0];

my $exitstatus = 0;

#
# Create a THIRDPARTYLICENSE file from the given license list and suffix.
#
sub maketpl {
	my ($suffix, @tpllist) = @_;
	my $licnum = 1;
	my $tplname = "$top/THIRDPARTYLICENSE.$suffix";

	if (! @tpllist) {
		unlink $tplname;
		return;
	}

	open(TPL, ">$tplname") or die "Can't create $tplname: $!\n";

	print TPL "DO NOT TRANSLATE OR LOCALIZE.\n\n";

	foreach my $licfile (@tpllist) {
		my $descrip = `cat "$licfile.descrip"`;
		if (! $descrip) {
			warn "Missing description for $licfile\n";
			$exitstatus = 1;
			$descrip = "(MISSING DESCRIPTION for $licfile)\n";
		}
		print TPL "$licnum)  The following software may be included ",
		    "in this product:\n\n";
		print TPL "\t$descrip\n";
		print TPL "    Use of this software is governed by the ",
		    "terms of the following license:\n";
		print TPL "\n";
		if (open(LIC, "<$licfile")) {
			while (<LIC>) {
				print TPL "    " . $_;
			}
			close LIC;
		} else {
			warn "Can't open $licfile: $!\n";
			$exitstatus = 1;
			print TPL "    (MISSING LICENSE: $licfile)\n";
		}
		print TPL "\n";
		$licnum++;
	}

	close TPL or die "I/O error on $tplname: $!\n";
}

#
# Return non-zero if we expect the crypto for the given
# third-party license file to be signed.  Else, return zero.
#
my $hashes = qr"/(rng|md4|md5|sha1/sha2)/";
sub signedcrypto {
	my ($licpath) = @_;

	return 0 if $licpath =~ m#$hashes#;
	return 1;
}

#
# Make file list for each TPL file.
#

chdir($top) or die "Can't chdir to $top: $!\n";
$top = getcwd();

my $isclosed = qr"^usr/closed";
my $iscrypto = qr"(^usr/src/common/crypto)|(^usr/src/lib/pkcs11)";

my @closedlist;
my @cryptolist;

open(IX, "<$indexfile") or die "Can't open $indexfile: $!\n";
while (<IX>) {
	chomp;
	my $lic = $_;
	if (! $opt_c && $lic =~ /$isclosed/) {
		push @closedlist, $lic;
	}
	if ($lic =~ /$iscrypto/ && signedcrypto($lic)) {
		push @cryptolist, $lic;
	}
}
close IX;

#
# Generate each TPL file.
#

maketpl("ON-BINARIES", @closedlist);
maketpl("ON-CRYPTO", @cryptolist);

exit $exitstatus;