(在线等)求助一个php telnet的问题

minghakulamatata 2012-11-10 05:27:44
前几天看了网上一个牛人写的php telnet的源码



<?php

/**

* name:薛如飞

* qq:6706250

* e-mail:xuerufei@163.com

* blog:<a href="http://hi.baidu.com/" target="_blank">http://hi.baidu.com/</a>飞云盖天

* date:08.08.28

**/

if (isset($_POST['host']) and isset($_POST['user']))

  {

    $host= $_POST['host'];

    $user= $_POST['user'];

    $pass= $_POST['pass'];

    $cmd= stripslashes($_POST['cmd']);

require_once "phptelnet.php";

$telnet = new PHPTelnet();

$telnet->show_connect_error=0;

$result = $telnet->Connect($host,$user,$pass);

switch ($result)

   {

  case 0:

  $telnet->DoCommand($cmd, $result);

  echo $result;

  $telnet->Disconnect();

  break;

  case 1:

  echo '[PHP Telnet] Connect failed: Unable to open network connection';

  break;

  case 2:

  echo '[PHP Telnet] Connect failed: Unknown host';

  break;

  case 3:

  echo '[PHP Telnet] Connect failed: Login failed';

  break;

  case 4:

  echo '[PHP Telnet] Connect failed: Your PHP version does not support PHP Telnet';

  break;

   }

  }

else

  {

?>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />

<form action="index.php" method="post" name="form0" id="form0">

   <p>   </p>

   <p align="center" >Telnet</p>

   <table width="200" border="0" align="center">

  <tr>

    <td width="81" height="18">host:</td>

    <td width="109"><input name="host" type="text" size="16" value="" /></td>

  </tr>

  <tr>

    <td width="81" height="18">user:</td>

    <td width="109"><input name="user" type="text" size="16" value="" /></td>

  </tr>

  <tr>

    <td width="81" height="18">pass:</td>

    <td width="109"><input name="pass" type="text" size="16" value="" /></td>

  </tr>

  <tr>

    <td width="81" height="18">cmd:</td>

    <td width="109">

          <textarea rows="6" name="cmd" cols="16"></textarea></td>

  </tr>

  <tr>

    <td> </td>

    <td><input type="submit" name="Submit" value="提交" /></td>

  </tr>

   </table>

   <p> </p>

</form>

<?php

   }

?>

 

<?php

/*

PHPTelnet 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='127.0.0.1';

   

  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="<a href="http://www.geckotribe.com/php-telnet/errors/fsockopen.php" target="_blank">http://www.geckotribe.com/php-telnet/errors/fsockopen.php">Connect</a> failed: Unable to open network connection</a><br />'; break;

  case 2: echo '<br />[PHP Telnet] <a href="<a href="http://www.geckotribe.com/php-telnet/errors/unknown-host.php" target="_blank">http://www.geckotribe.com/php-telnet/errors/unknown-host.php">Connect</a> failed: Unknown host</a><br />'; break;

  case 3: echo '<br />[PHP Telnet] <a href="<a href="http://www.geckotribe.com/php-telnet/errors/login.php" target="_blank">http://www.geckotribe.com/php-telnet/errors/login.php">Connect</a> failed: Login failed</a><br />'; break;

  case 4: echo '<br />[PHP Telnet] <a href="<a href="http://www.geckotribe.com/php-telnet/errors/php-version.php" target="_blank">http://www.geckotribe.com/php-telnet/errors/php-version.php">Connect</a> failed: Your server\'s PHP version is too low for PHP Telnet</a><br />'; break;

  }

}

}

?>


我使用的是ubuntu 12.04的server版系统，自带的LAMP。然后再执行该程序的时候，一直报
[PHP Telnet] Connect failed: Login failed 的错误，
但是其他同事在其他电脑上面安装ubuntu 12.04,执行这套程序的时候却是正常工作的，弄了好几天，实在不知道是什么原因，恳请大牛解答，分数不多，就这么点了，多谢了！
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切换为时间正序
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王德发 2013-12-14
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\r换成\n,LINUX不认\r的
acabin 2012-11-10
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确认一下你和你同事的php版本 我觉得跟这个有关
minghakulamatata 2012-11-10
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其实我就是想在网页中嵌入一个 ssh或者telnet的远程登录程序。有其他的方法更好，多谢了
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