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<?php
/*
* plain_sasl_client.php
*
* @(#) $Id: plain_sasl_client.php,v 1.2 2004/11/17 08:00:37 mlemos Exp $
*
*/
define("SASL_PLAIN_STATE_START", 0);
define("SASL_PLAIN_STATE_IDENTIFY", 1);
define("SASL_PLAIN_STATE_DONE", 2);
define("SASL_PLAIN_DEFAULT_MODE", 0);
define("SASL_PLAIN_EXIM_MODE", 1);
define("SASL_PLAIN_EXIM_DOCUMENTATION_MODE", 2);
class plain_sasl_client_class
{
var $credentials=array();
var $state=SASL_PLAIN_STATE_START;
Function Initialize(&$client)
{
return(1);
}
Function Start(&$client, &$message, &$interactions)
{
if($this->state!=SASL_PLAIN_STATE_START)
{
$client->error="PLAIN authentication state is not at the start";
return(SASL_FAIL);
}
$this->credentials=array(
"user"=>"",
"password"=>"",
"realm"=>"",
"mode"=>""
);
$defaults=array(
"realm"=>"",
"mode"=>""
);
$status=$client->GetCredentials($this->credentials,$defaults,$interactions);
if($status==SASL_CONTINUE)
{
switch($this->credentials["mode"])
{
case SASL_PLAIN_EXIM_MODE:
$message=$this->credentials["user"]."\0".$this->credentials["password"]."\0";
break;
case SASL_PLAIN_EXIM_DOCUMENTATION_MODE:
$message="\0".$this->credentials["user"]."\0".$this->credentials["password"];
break;
default:
$message=$this->credentials["user"]."\0".$this->credentials["user"].(strlen($this->credentials["realm"]) ? "@".$this->credentials["realm"] : "")."\0".$this->credentials["password"];
break;
}
$this->state=SASL_PLAIN_STATE_DONE;
}
else
Unset($message);
return($status);
}
Function Step(&$client, $response, &$message, &$interactions)
{
switch($this->state)
{
/*
case SASL_PLAIN_STATE_IDENTIFY:
switch($this->credentials["mode"])
{
case SASL_PLAIN_EXIM_MODE:
$message=$this->credentials["user"]."\0".$this->credentials["password"]."\0";
break;
case SASL_PLAIN_EXIM_DOCUMENTATION_MODE:
$message="\0".$this->credentials["user"]."\0".$this->credentials["password"];
break;
default:
$message=$this->credentials["user"]."\0".$this->credentials["user"].(strlen($this->credentials["realm"]) ? "@".$this->credentials["realm"] : "")."\0".$this->credentials["password"];
break;
}
var_dump($message);
$this->state=SASL_PLAIN_STATE_DONE;
break;
*/
case SASL_PLAIN_STATE_DONE:
$client->error="PLAIN authentication was finished without success";
return(SASL_FAIL);
default:
$client->error="invalid PLAIN authentication step state";
return(SASL_FAIL);
}
return(SASL_CONTINUE);
}
};
?>
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