Re: Can PHP works with telnet?

[HoWang Wang <howanghk@xxxxxxxxx>]

Hi,
It's me again. I have take a look on 
http://www.geckotribe.com/php-telnet/ , but I think the codes are not 
friendly to me. So I create my own telnet class for my program. I'm 
going to post it here for reference. But it is made just for my program 
so you may have difficulty when you try to use it on a normal telnet 
connection.

<?php

class telnet
{
	// Host
	var $host = '127.0.0.1';
	// Port
	var $port = 23;
	// Use usleep?
	var $usleep = 1;

	// --- End of config ---
	
	// File Pointer
	var $fp;
	// This is the Telnet headers
	var $header1;
	var $header2;
	
	function telnet($host,$port)
	{
		if (!empty($host)) $this->host = $host;
		if (!empty($port)) $this->port = $port;
	 
$this->header1=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->header2=chr(0xFF).chr(0xFC).chr(0x01).chr(0xFF).chr(0xFC).chr(0x22).chr(0xFF).chr(0xFE).
		     chr(0x05).chr(0xFF).chr(0xFC).chr(0x21);
		$this->connect();
	}
	
	function sleep()
	{
		if ($this->usleep)
		{
			usleep(125000);
		}
		else
		{
			sleep(1);
		}
	}
	
	function connect()
	{
		$this->fp = fsockopen($this->host,$this->port);
		fputs($this->fp,$this->header1);
		$this->sleep();
		fputs($this->fp,$this->header2);
		$this->sleep();
	}
	
	function docmd($cmd)
	{
		fputs($this->fp,$cmd . "\r");
		$this->sleep();
	}
	
	function readresp()
	{
		do
		{
			// read line by line, or at least small chunks
			$output.=fread($fp, 80);
			$stat=socket_get_status($fp);
		}
		while($stat["unread_bytes"]);
		$output = str_replace("\n", "<br>", $output);
		echo $output;
	}
	
	function disconnect()
	{
		fclose($this->fp);
	}
}
?>


Thanks to all the repliers.



HoWang Wang wrote:
> Hi all,
>
> Recently I got a job to write a PHP webpage to display some infomation
> which have to obtain from telnet. Telnet is the only way to query the
> software. I have made a quick search on php.net but I can't found amy
> extension support telnet. Is there any way to do so? Or it is impossible
> with PHP but can be done with external binaries?
> Please help, thanks.
>
> HoWang Wong

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