#This logs in to LDAP and generates a CSV file with each members display name and then a list of their groups.

use strict;
use Net::LDAP;
use Net::LDAP::Control::Paged;
use Net::LDAP::Constant ( "LDAP_CONTROL_PAGED" );

my $ldap = Net::LDAP->new('domain.controller.com') or die "Could not connect to Domain controller $@";
# params for Net::LDAP::new
 # bind to a directory with dn and password
my $mesg = $ldap->bind( 'ldapreadonlyuserid',
                         password => 'LDAPReadonlyPassword'
                    );
die $mesg->error if $mesg->code;

# How many LDAP query results to grab for each paged round
# Set to under 1000 for Active Directory
my $page = Net::LDAP::Control::Paged->new( size => 100 );

my $fields = ['displayName','memberOf','useraccountcontrol'];
my $strFilter = "(&(objectclass=user)(objectcategory=person)"      # A User
           #   .  "(!useraccountcontrol:1.2.840.113556.1.4.803:=2)"  # NOT Disabled
               . "(useraccountcontrol:dn:1.2.840.113556.1.4.803:=2)"  #The 1.2.840.113556.1.4.803 is a logical AND.
              .  ")";
my $result = $ldap->search (
                        base    => "dc=MyDomainName,dc=com",
			filter  => $strFilter,
			attrs   => $fields,
			control => [ $page ],
		  );
die $result->error if $result->code;

for my $item ( $result->entries) {
    next unless defined $item->get_value("displayName");
    my $user;
	$user->{groups} = [ ref ( $item->get_value('memberOf') )  ?
                           @{$item->get_value('memberOf')}        :
                           ($item->get_value('memberOf'))
                          ];
	$user->{groups} = [ map { /CN=(.+?),/ ; $1 } @{$user->{groups}} ];
	print '"',$item->get_value("displayName"),'",';
        print join(",", map { '"' . $_ . '"' } sort @{$user->{groups}}),"\n";
}

  # Get cookie from paged control
  my($resp)  = $mesg->control( LDAP_CONTROL_PAGED ) or print "-- No more data (1) --\n"; ## last;
  my $cookie = $resp->cookie or print "-- No more data (2) --\n"; # Should do LAST here..

  # Set cookie in paged control
  $page->cookie($cookie);