/**
* Connects and Binds to LDAP
*/
private static function establishConnection()
{
if (!self::$configured) {
OCP\Util::writeLog('ldap', 'Configuration is invalid, cannot connect', OCP\Util::INFO);
return false;
}
if (!self::$ldapConnectionRes) {
self::$ldapConnectionRes = ldap_connect(self::$ldapHost, self::$ldapPort);
if (ldap_set_option(self::$ldapConnectionRes, LDAP_OPT_PROTOCOL_VERSION, 3)) {
if (ldap_set_option(self::$ldapConnectionRes, LDAP_OPT_REFERRALS, 0)) {
if (self::$ldapTLS) {
ldap_start_tls(self::$ldapConnectionRes);
}
}
}
$ldapLogin = @ldap_bind(self::$ldapConnectionRes, self::$ldapAgentName, self::$ldapAgentPassword);
if (!$ldapLogin) {
OCP\Util::writeLog('ldap', 'Bind failed: ' . ldap_errno(self::$ldapConnectionRes) . ': ' . ldap_error(self::$ldapConnectionRes), OCP\Util::ERROR);
return false;
}
}
}
/**
* Connects and Binds to LDAP
*/
private static function establishConnection()
{
static $phpLDAPinstalled = true;
if (!$phpLDAPinstalled) {
return false;
}
if (!self::$configured) {
OCP\Util::writeLog('ldap', 'Configuration is invalid, cannot connect', OCP\Util::INFO);
return false;
}
if (!self::$ldapConnectionRes) {
//check if php-ldap is installed
if (!function_exists('ldap_connect')) {
$phpLDAPinstalled = false;
OCP\Util::writeLog('user_ldap', 'function ldap_connect is not available. Make sure that the PHP ldap module is installed.', OCP\Util::ERROR);
return false;
}
self::$ldapConnectionRes = ldap_connect(self::$ldapHost, self::$ldapPort);
if (ldap_set_option(self::$ldapConnectionRes, LDAP_OPT_PROTOCOL_VERSION, 3)) {
if (ldap_set_option(self::$ldapConnectionRes, LDAP_OPT_REFERRALS, 0)) {
if (self::$ldapTLS) {
ldap_start_tls(self::$ldapConnectionRes);
}
}
}
$ldapLogin = @ldap_bind(self::$ldapConnectionRes, self::$ldapAgentName, self::$ldapAgentPassword);
if (!$ldapLogin) {
OCP\Util::writeLog('ldap', 'Bind failed: ' . ldap_errno(self::$ldapConnectionRes) . ': ' . ldap_error(self::$ldapConnectionRes), OCP\Util::ERROR);
return false;
}
}
}
