library/classes/smtp/login_sasl_client.php

   1 <?php
   2 /*
   3  * login_sasl_client.php
   4  *
   5  * @(#) $Id$
   6  *
   7  */
   8
   9 define("SASL_LOGIN_STATE_START",             0);
  10 define("SASL_LOGIN_STATE_IDENTIFY_USER",     1);
  11 define("SASL_LOGIN_STATE_IDENTIFY_PASSWORD", 2);
  12 define("SASL_LOGIN_STATE_DONE",              3);
  13
  14 class login_sasl_client_class
  15 {
  16         var $credentials=array();
  17         var $state=SASL_LOGIN_STATE_START;
  18
  19         Function Initialize(&$client)
  20         {
  21                 return(1);
  22         }
  23
  24         Function Start(&$client, &$message, &$interactions)
  25         {
  26                 if($this->state!=SASL_LOGIN_STATE_START)
  27                 {
  28                         $client->error="LOGIN authentication state is not at the start";
  29                         return(SASL_FAIL);
  30                 }
  31                 $this->credentials=array(
  32                         "user"=>"",
  33                         "password"=>"",
  34                         "realm"=>""
  35                 );
  36                 $defaults=array(
  37                         "realm"=>""
  38                 );
  39                 $status=$client->GetCredentials($this->credentials,$defaults,$interactions);
  40                 if($status==SASL_CONTINUE)
  41                         $this->state=SASL_LOGIN_STATE_IDENTIFY_USER;
  42                 Unset($message);
  43                 return($status);
  44         }
  45
  46         Function Step(&$client, $response, &$message, &$interactions)
  47         {
  48                 switch($this->state)
  49                 {
  50                         case SASL_LOGIN_STATE_IDENTIFY_USER:
  51                                 $message=$this->credentials["user"].(strlen($this->credentials["realm"]) ? "@".$this->credentials["realm"] : "");
  52                                 $this->state=SASL_LOGIN_STATE_IDENTIFY_PASSWORD;
  53                                 break;
  54                         case SASL_LOGIN_STATE_IDENTIFY_PASSWORD:
  55                                 $message=$this->credentials["password"];
  56                                 $this->state=SASL_LOGIN_STATE_DONE;
  57                                 break;
  58                         case SASL_LOGIN_STATE_DONE:
  59                                 $client->error="LOGIN authentication was finished without success";
  60                                 break;
  61                         default:
  62                                 $client->error="invalid LOGIN authentication step state";
  63                                 return(SASL_FAIL);
  64                 }
  65                 return(SASL_CONTINUE);
  66         }
  67 };
  68
  69 ?>