support paged results against 389ds.

diff --git a/apps/user_ldap/lib/access.php b/apps/user_ldap/lib/access.php
index 60956c5fea571d530993fdb7312fe4e80ad3ad02..a38f6be00e0502e88231143f15031530866d4707 100644 (file)
--- a/apps/user_ldap/lib/access.php
+++ b/apps/user_ldap/lib/access.php
@@ -1470,7 +1470,8 @@ class Access extends LDAPUtility implements user\IUserTools {
         * @return void
         */
        private function setPagedResultCookie($base, $filter, $limit, $offset, $cookie) {
-               if(!empty($cookie)) {
+               // allow '0' for 389ds
+               if(!empty($cookie) || $cookie === '0') {
                        $cacheKey = 'lc' . crc32($base) . '-' . crc32($filter) . '-' .intval($limit) . '-' . intval($offset);
                        $this->cookies[$cacheKey] = $cookie;
                        $this->lastCookie = $cookie;
@@ -1508,11 +1509,12 @@ class Access extends LDAPUtility implements user\IUserTools {
                        foreach($bases as $base) {
 
                                $cookie = $this->getPagedResultCookie($base, $filter, $limit, $offset);
-                               if(empty($cookie) && ($offset > 0)) {
+                               if(empty($cookie) && $cookie !== "0" && ($offset > 0)) {
                                        // no cookie known, although the offset is not 0. Maybe cache run out. We need
                                        // to start all over *sigh* (btw, Dear Reader, did you know LDAP paged
                                        // searching was designed by MSFT?)
                                        //              Lukas: No, but thanks to reading that source I finally know!
+                                       // '0' is valid, because 389ds
                                        $reOffset = ($offset - $limit) < 0 ? 0 : $offset - $limit;
                                        //a bit recursive, $offset of 0 is the exit
                                        \OCP\Util::writeLog('user_ldap', 'Looking for cookie L/O '.$limit.'/'.$reOffset, \OCP\Util::INFO);
@@ -1520,7 +1522,8 @@ class Access extends LDAPUtility implements user\IUserTools {
                                        $cookie = $this->getPagedResultCookie($base, $filter, $limit, $offset);
                                        //still no cookie? obviously, the server does not like us. Let's skip paging efforts.
                                        //TODO: remember this, probably does not change in the next request...
-                                       if(empty($cookie)) {
+                                       if(empty($cookie) && $cookie !== '0') {
+                                               // '0' is valid, because 389ds
                                                $cookie = null;
                                        }
                                }