TELNET no PHP

Enviada por Anselmo 
Anselmo
TELNET no PHP
09 de August de 2013 às 12:27PM
Senhores, estou com um pequeno problema... Estou usando a classe em PHP apenas para executar um acesso via TELNET e executar um PING, porem o resultado que aparece é de 1 linha, e o ping normal aparece com mais de 5 linhas... Alguém saberia me ajudar?

Segue meu código:
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<?php
require_once "PHPTelnet.php";
$telnet = new PHPTelnet();
$result = $telnet->Connect('10.126.95.232','nsn-n2','n2-nsn');
$telnet->DoCommand('ping 10.126.95.232', $result);
$telnet->DoCommand("SYSTEM", $result);

echo "<pre>$result</pre>";
?>
--------------------------------------------------------------------------------------
E a classe do TELNET para o PHP:
--------------------------------------------------------------------------------------
<?php
/*
PHPTelnet 1.1.1
by Antone Roundy
adapted from code found on the PHP website
public domain
*/

class PHPTelnet {
var $show_connect_error=1;

var $use_usleep=0; // change to 1 for faster execution
// don't change to 1 on Windows servers unless you have PHP 5
var $sleeptime=125000;
var $loginsleeptime=1000000;

var $fp=NULL;
var $loginprompt;

var $conn1;
var $conn2;

/*
0 = success
1 = couldn't open network connection
2 = unknown host
3 = login failed
4 = PHP version too low
*/
function Connect($server,$user,$pass) {
$rv=0;
$vers=explode('.',PHP_VERSION);
$needvers=array(4,3,0);
$j=count($vers);
$k=count($needvers);
if ($k<$j) $j=$k;
for ($i=0;$i<$j;$i++) {
if (($vers[$i]+0)>$needvers[$i]) break;
if (($vers[$i]+0)<$needvers[$i]) {
$this->ConnectError(4);
return 4;
}
}

$this->Disconnect();

if (strlen($server)) {
if (preg_match('/[^0-9.]/',$server)) {
$ip=gethostbyname($server);
if ($ip==$server) {
$ip='';
$rv=2;
}
} else $ip=$server;
} else $ip='10.126.95.232';

if (strlen($ip)) {
if ($this->fp=fsockopen($ip,23)) {
fputs($this->fp,$this->conn1);
$this->Sleep();

fputs($this->fp,$this->conn2);
$this->Sleep();
$this->GetResponse($r);
$r=explode("\n",$r);
$this->loginprompt=$r[count($r)-1];

fputs($this->fp,"$user\r");
$this->Sleep();

fputs($this->fp,"$pass\r");
if ($this->use_usleep) usleep($this->loginsleeptime);
else sleep(1);
$this->GetResponse($r);
$r=explode("\n",$r);
if (($r[count($r)-1]=='')||($this->loginprompt==$r[count($r)-1])) {
$rv=3;
$this->Disconnect();
}
} else $rv=1;
}

if ($rv) $this->ConnectError($rv);
return $rv;
}

function Disconnect($exit=1) {
if ($this->fp) {
if ($exit) $this->DoCommand('exit',$junk);
fclose($this->fp);
$this->fp=NULL;
}
}

function DoCommand($c,&$r) {
if ($this->fp) {
fputs($this->fp,"$c\r");
$this->Sleep();
$this->GetResponse($r);
$r=preg_replace("/^.*?\n(.*)\n[^\n]*$/","$1",$r);
}
return $this->fp?1:0;
}

function GetResponse(&$r) {
$r='';
do {
$r.=fread($this->fp,1000);
$s=socket_get_status($this->fp);
} while ($s['unread_bytes']);
}

function Sleep() {
if ($this->use_usleep) usleep($this->sleeptime);
else sleep(1);
}

function PHPTelnet() {
$this->conn1=chr(0xFF).chr(0xFB).chr(0x1F).chr(0xFF).chr(0xFB).
chr(0x20).chr(0xFF).chr(0xFB).chr(0x18).chr(0xFF).chr(0xFB).
chr(0x27).chr(0xFF).chr(0xFD).chr(0x01).chr(0xFF).chr(0xFB).
chr(0x03).chr(0xFF).chr(0xFD).chr(0x03).chr(0xFF).chr(0xFC).
chr(0x23).chr(0xFF).chr(0xFC).chr(0x24).chr(0xFF).chr(0xFA).
chr(0x1F).chr(0x00).chr(0x50).chr(0x00).chr(0x18).chr(0xFF).
chr(0xF0).chr(0xFF).chr(0xFA).chr(0x20).chr(0x00).chr(0x33).
chr(0x38).chr(0x34).chr(0x30).chr(0x30).chr(0x2C).chr(0x33).
chr(0x38).chr(0x34).chr(0x30).chr(0x30).chr(0xFF).chr(0xF0).
chr(0xFF).chr(0xFA).chr(0x27).chr(0x00).chr(0xFF).chr(0xF0).
chr(0xFF).chr(0xFA).chr(0x18).chr(0x00).chr(0x58).chr(0x54).
chr(0x45).chr(0x52).chr(0x4D).chr(0xFF).chr(0xF0);
$this->conn2=chr(0xFF).chr(0xFC).chr(0x01).chr(0xFF).chr(0xFC).
chr(0x22).chr(0xFF).chr(0xFE).chr(0x05).chr(0xFF).chr(0xFC).chr(0x21);
}

function ConnectError($num) {
if ($this->show_connect_error) switch ($num) {
case 1: echo '<br />[PHP Telnet] <a href="http://www.geckotribe.com/php-telnet/errors/fsockopen.php">Connect failed: Unable to open network connection</a><br />'; break;
case 2: echo '<br />[PHP Telnet] <a href="http://www.geckotribe.com/php-telnet/errors/unknown-host.php">Connect failed: Unknown host</a><br />'; break;
case 3: echo '<br />[PHP Telnet] <a href="http://www.geckotribe.com/php-telnet/errors/login.php">Connect failed: Login failed</a><br />'; break;
case 4: echo '<br />[PHP Telnet] <a href="http://www.geckotribe.com/php-telnet/errors/php-version.php">Connect failed: Your server\'s PHP version is too low for PHP Telnet</a><br />'; break;
}
}
}

return;
?>
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