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<?php
/*
* login_sasl_client.php
*
* @(#) $Id: login_sasl_client.php,v 1.2 2004/11/17 08:00:37 mlemos Exp $
*
*/
define("SASL_LOGIN_STATE_START", 0);
define("SASL_LOGIN_STATE_IDENTIFY_USER", 1);
define("SASL_LOGIN_STATE_IDENTIFY_PASSWORD", 2);
define("SASL_LOGIN_STATE_DONE", 3);
class login_sasl_client_class
{
var $credentials=array();
var $state=SASL_LOGIN_STATE_START;
Function Initialize(&$client)
{
return(1);
}
Function Start(&$client, &$message, &$interactions)
{
if ($this->state!=SASL_LOGIN_STATE_START)
{
$client->error="LOGIN authentication state is not at the start";
return(SASL_FAIL);
}
$this->credentials=array(
"user"=>"",
"password"=>"",
"realm"=>""
);
$defaults=array(
"realm"=>""
);
$status=$client->GetCredentials($this->credentials,$defaults,$interactions);
if ($status==SASL_CONTINUE)
$this->state=SASL_LOGIN_STATE_IDENTIFY_USER;
Unset($message);
return($status);
}
Function Step(&$client, $response, &$message, &$interactions)
{
switch ($this->state)
{
case SASL_LOGIN_STATE_IDENTIFY_USER:
$message=$this->credentials["user"].(strlen($this->credentials["realm"]) ? "@".$this->credentials["realm"] : "");
$this->state=SASL_LOGIN_STATE_IDENTIFY_PASSWORD;
break;
case SASL_LOGIN_STATE_IDENTIFY_PASSWORD:
$message=$this->credentials["password"];
$this->state=SASL_LOGIN_STATE_DONE;
break;
case SASL_LOGIN_STATE_DONE:
$client->error="LOGIN authentication was finished without success";
break;
default:
$client->error="invalid LOGIN authentication step state";
return(SASL_FAIL);
}
return(SASL_CONTINUE);
}
};
?>
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