100 lines
1.7 KiB
PHP
100 lines
1.7 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
namespace App\Classes\Control;
|
||
|
|
|
||
|
|
use App\Classes\Control;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Class Telnet
|
||
|
|
*
|
||
|
|
* This class looks after any telnet session commands
|
||
|
|
*
|
||
|
|
* TELNET http://pcmicro.com/netfoss/telnet.html
|
||
|
|
*
|
||
|
|
* @package App\Classes\Control
|
||
|
|
*/
|
||
|
|
class Telnet extends Control
|
||
|
|
{
|
||
|
|
private $option = FALSE;
|
||
|
|
private $note = '';
|
||
|
|
private $terminal = '';
|
||
|
|
|
||
|
|
public function handle(string $read)
|
||
|
|
{
|
||
|
|
$this->so->log('debug',sprintf('Session Char (%s)',ord($read)),['complete'=>$this->complete,'option'=>$this->option]);
|
||
|
|
|
||
|
|
switch ($read) {
|
||
|
|
// Command being sent.
|
||
|
|
case TCP_IAC:
|
||
|
|
$this->complete = FALSE;
|
||
|
|
$this->note = 'IAC ';
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TCP_SB:
|
||
|
|
$this->option = TRUE;
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TCP_SE:
|
||
|
|
$this->option = FALSE;
|
||
|
|
$this->complete = TRUE;
|
||
|
|
$this->so->log('debug',sprintf('Session Terminal: %s',$this->terminal));
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TCP_DO:
|
||
|
|
$this->note .= 'DO ';
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TCP_WILL:
|
||
|
|
$this->note .= 'WILL ';
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TCP_WONT:
|
||
|
|
$this->note .= 'WONT ';
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TCP_OPT_TERMTYPE:
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TCP_OPT_ECHO:
|
||
|
|
$this->note .= 'ECHO';
|
||
|
|
$this->complete = TRUE;
|
||
|
|
|
||
|
|
$this->so->log('debug',sprintf('Session Note: %s',$this->note));
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TCP_OPT_SUP_GOAHEAD:
|
||
|
|
$this->note .= 'SUPPRESS GO AHEAD';
|
||
|
|
$this->complete = TRUE;
|
||
|
|
|
||
|
|
$this->so->log('debug',sprintf('Session Note: %s',$this->note));
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case TCP_OPT_WINDOWSIZE:
|
||
|
|
$this->note .= 'WINDOWSIZE';
|
||
|
|
$this->complete = TRUE;
|
||
|
|
|
||
|
|
$this->so->log('debug',sprintf('Session Note: %s',$this->note));
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
if ($this->option AND $read) {
|
||
|
|
$this->terminal .= $read;
|
||
|
|
|
||
|
|
} else {
|
||
|
|
$this->so->log('debug',sprintf('Unhandled char in session_init: %s (%s)',$read,ord($read)));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
}
|