#!/usr/local/bin/perl

use strict;
use warnings;

use Net::LDAP;
use Net::LDAP::Util qw(escape_dn_value);
use Authen::SASL;

open my $fh, '<', '/usr/local/etc/openldap/ldap.conf' or die($!);
my %config;
while (<$fh>) {
  chomp;
  next if /^#/;
  my @pair = split(' ', $_, 2);
  next unless (@pair == 2);
  $config{$pair[0]} = $pair[1];
}
close($fh);

my $mech   = $config{SASL_MECH}      // 'GSSAPI';
my $uri    = $config{URI}            // die("URI not specified\n");
my $basedn = $config{AUTOMOUNT_BASE} // die("AUTOMOUNT_BASE not specified\n");

@ARGV == 1 or die "usage: $0 MAPNAME\n";
my $mapname = $ARGV[0];

my $conn = Net::LDAP->new($uri, version => '3') or die "$0: $@";
my $sasl = Authen::SASL->new($mech);
my $status = $conn->bind(sasl => $sasl);
$status->code and die "$0: ".$status->error."\n";

my $search = $conn->search(
  scope  => 'one',
  base   => 'automountMapName='.escape_dn_value($mapname).",$basedn",
  filter => '(objectClass=automount)',
  attrs  => ['automountKey', 'automountInformation']);
$search->code and die "$0: $mapname: ".$search->error."\n";

foreach my $entry ($search->entries) {
  my $key  = ($entry->get_value('automountKey'))[0];
  my $info = ($entry->get_value('automountInformation'))[0];
  print "$key $info\n";
}