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Bug #76967 Warning: ldap_control_paged_result_response(): No server controls in result
Submitted: 2018-10-03 17:13 UTC Modified: 2018-11-01 13:49 UTC
Votes:1
Avg. Score:1.0 ± 0.0
Reproduced:0 of 0 (0.0%)
From: asears at conestogawood dot com Assigned: heiglandreas (profile)
Status: Assigned Package: LDAP related
PHP Version: 7.0.32 OS: Gentoo Linux
Private report: No CVE-ID: None
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 [2018-10-03 17:13 UTC] asears at conestogawood dot com
Description:
------------
Tha pagination control does not work as expected. The server I'm connecting to is a Windows 2012 AD DC which does support pagination, but the LDAP extension does not seem to properly support it?


Test script:
---------------
<?php
$ldap = ldap_connect('dc.example.com');
ldap_set_option($ldap, LDAP_OPT_PROTOCOL_VERSION, 3);
ldap_set_option($ldap, LDAP_OPT_X_TLS_REQUIRE_CERT, LDAP_OPT_X_TLS_ALLOW);
ldap_start_tls($ldap);
ldap_bind($ldap, 'user@example.com', 'password');

$cookie = '';
do {
    ldap_control_paged_result($ldap, 100, true, $cookie);
    
    $result  = ldap_search($ldap, 'DC=example,DC=com', '(primaryGroupID=513)', ['ou', 'sn', 'givenname', 'mail']);
    $entries = ldap_get_entries($ldap, $result);

    foreach ($entries as $e) {
        echo $e['dn'] . PHP_EOL;
    }

    ldap_control_paged_result_response($ldap, $result, $cookie);
} while($cookie !== null && $cookie != '');


Expected result:
----------------
All of the members of GID 513 (Domain Users)

Actual result:
--------------
Stops after the first page with warning:
Warning: ldap_control_paged_result_response(): No server controls in result

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 [2018-10-03 17:27 UTC] asears at conestogawood dot com
Also, using Wireshark on the DC, I was able to verify that the pagination control was indeed sent in the request, and a cookie *was* returned in the results.
The disconnect seems to be somewhere between PHP receiving the results and ldap_control_paged_result_response parsing the server controls.
 [2018-11-01 07:47 UTC] heiglandreas@php.net
Can you provide some more details like PHP-Version, Operating System and underlying LDAP-Lib-version?
 [2018-11-01 07:47 UTC] heiglandreas@php.net
-Assigned To: +Assigned To: heiglandreas
 [2018-11-01 13:49 UTC] asears at conestogawood dot com
PHP version is 7.0.32 and OS is Gentoo Linux running kernel 4.19.
LDAP version info:
LDAP Support => enabled
RCS Version => $Id: 1c9340c77777426d718a7cb098b59b2827d2c21e $
Total Links => 0/unlimited
API Version => 3001
Vendor Name => OpenLDAP
Vendor Version => 20445
 
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Last updated: Mon Dec 10 09:01:25 2018 UTC