/**
* Connect to the LDAP server.
*
* @return boolean
* TRUE on success.
*
* @throw SimpleLdapException
*/
protected function connect()
{
if ($this->resource === FALSE) {
// Set up the connection.
$this->resource = SimpleLdap::ldap_connect($this->host, $this->port);
// Set the LDAP version.
SimpleLdap::ldap_set_option($this->resource, LDAP_OPT_PROTOCOL_VERSION, $this->version);
// Set the advanced LDAP options.
$opt_referrals = variable_get('simple_ldap_opt_referrals', TRUE);
SimpleLdap::ldap_set_option($this->resource, LDAP_OPT_REFERRALS, (int) $opt_referrals);
// StartTLS.
if ($this->starttls) {
SimpleLdap::ldap_start_tls($this->resource);
}
}
return TRUE;
}
