/**
* Constructor.
*
* Fetches a RootDSE object from an LDAP connection.
*
* @param Horde_Ldap $ldap Directory from which the RootDSE should be
* fetched.
* @param array $attrs Array of attributes to search for.
*
* @throws Horde_Ldap_Exception
*/
public function __construct(Horde_Ldap $ldap, $attrs = null)
{
if (is_array($attrs) && count($attrs)) {
$attributes = $attrs;
} else {
$attributes = array('vendorName', 'vendorVersion', 'namingContexts', 'altServer', 'supportedExtension', 'supportedControl', 'supportedSASLMechanisms', 'supportedLDAPVersion', 'subschemaSubentry');
}
$referral = $ldap->getOption('LDAP_OPT_REFERRALS');
$ldap->setOption('LDAP_OPT_REFERRALS', false);
try {
$result = $ldap->search('', '(objectClass=*)', array('attributes' => $attributes, 'scope' => 'base'));
} catch (Horde_Ldap_Exception $e) {
$ldap->setOption('LDAP_OPT_REFERRALS', $referral);
throw $e;
}
$ldap->setOption('LDAP_OPT_REFERRALS', $referral);
$entry = $result->shiftEntry();
if (!$entry) {
throw new Horde_Ldap_Exception('Could not fetch RootDSE entry');
}
$this->_entry = $entry;
}
