#! /usr/bin/env perl

# Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved.

#

# Licensed under the OpenSSL license (the "License").  You may not use

# this file except in compliance with the License.  You can obtain a copy

# in the file LICENSE in the source distribution or at

# https://www.openssl.org/source/license.html

use strict;

use warnings;

my @directory_vars = ( "dir", "certs", "crl_dir", "new_certs_dir" );

my @file_vars = ( "database", "certificate", "serial", "crlnumber",

		  "crl", "private_key", "RANDFILE" );

while(<STDIN>) {

    s|\R$||;

    foreach my $d (@directory_vars) {

	if (/^(\s*\#?\s*${d}\s*=\s*)\.\/([^\s\#]*)([\s\#].*)$/) {

	    $_ = "$1sys\\\$disk:\[.$2$3";

	} elsif (/^(\s*\#?\s*${d}\s*=\s*)(\w[^\s\#]*)([\s\#].*)$/) {

	    $_ = "$1sys\\\$disk:\[.$2$3";

	}

	s/^(\s*\#?\s*${d}\s*=\s*\$\w+)\/([^\s\#]*)([\s\#].*)$/$1.$2\]$3/;

	while(/^(\s*\#?\s*${d}\s*=\s*(\$\w+\.|sys\\\$disk:\[\.)[\w\.]+)\/([^\]]*)\](.*)$/) {

	    $_ = "$1.$3]$4";

	}

    }

    foreach my $f (@file_vars) {

	s/^(\s*\#?\s*${f}\s*=\s*)\.\/(.*)$/$1sys\\\$disk:\[\/$2/;

	while(/^(\s*\#?\s*${f}\s*=\s*(\$\w+|sys\\\$disk:\[)[^\/]*)\/(\w+\/[^\s\#]*)([\s\#].*)$/) {

	    $_ = "$1.$3$4";

	}

	if (/^(\s*\#?\s*${f}\s*=\s*(\$\w+|sys\\\$disk:\[)[^\/]*)\/(\w+)([\s\#].*)$/) {

	    $_ = "$1]$3.$4";

	} elsif  (/^(\s*\#?\s*${f}\s*=\s*(\$\w+|sys\\\$disk:\[)[^\/]*)\/([^\s\#]*)([\s\#].*)$/) {

	    $_ = "$1]$3$4";

	}

   }

    print $_,"\n";

}