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#!/usr/bin/env perl
# Converts OpenLDAP schema from traditional slapd.conf format to LDIF format
# usable for importing into cn=config.
#
# Copyright (c) 2012-2016 Mantas Mikulėnas <grawity@gmail.com>
# Released under the MIT license <https://spdx.org/licenses/MIT>
use warnings;
use strict;
my $name = shift(@ARGV) // "UNNAMED-SCHEMA";
my $unwrap = 0;
print "dn: cn=$name,cn=schema,cn=config\n";
print "objectClass: olcSchemaConfig\n";
my $key;
my $value;
while (<STDIN>) {
if (/^(attributeType(?:s)?|objectClass(?:es)?) (.+)$/i) {
if ($key && $value) {
print "$key: $value\n";
}
($key, $value) = ($1, $2);
if ($key =~ /^attributeType(s)?$/i) {
$key = "olcAttributeTypes";
} elsif ($key =~ /^objectClass(es)?$/i) {
$key = "olcObjectClasses";
} else {
$key = "olc$key";
}
}
elsif (/^\s+(.+)$/) {
if ($unwrap) {
$value .= " $1";
} else {
$value .= "\n $&";
}
}
elsif (/^#.*/) {
print "$&\n";
}
elsif (/.+/) {
warn "$.:unrecognized input line: $&\n";
}
}
if ($key && $value) {
print "$key: $value\n";
}
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