Re: Re: php telnet

the attached file implements a minimal telnet client and is free to use. re, tc On Wed, Dec 19, 2001 at 02:16:36PM -0800, Chris Lee wrote: > if I nc to my server on port 23 I get the same thing. ie there is nothing > wrong. your going to have to emulate the telnet protocal now, thats just the > connect string. > > -- > > Chris Lee > lee@mediawaveonline.com > > > > > "Kancha" <kancha2np@yahoo.com> wrote in message > news:php.general-78200@news.php.net... > > The following code generated garbase output. what is wrong ?? > > > > <?php > > $sp = fsockopen("localhost", 23); > > if(!$sp){ > > echo "error"; > > exit; > > } > > socket_set_blocking($sp, FALSE); > > > > function getLine(){ > > global $sp; > > > > $op = fgets($sp, 1024); > > while(empty($op)){ > > $op = fgets($sp, 1024); > > } > > return $op; > > } > > > > echo getLine(); > > ?> > > > > The output was as follows: > > > > [root@ispms html]# php telnet.php > > X-Powered-By: PHP/4.1.0 > > Content-type: text/html > > > > ÿý?ÿý ÿý#ÿý'[root@ispms html]# > > > > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, e-mail: php-general-unsubscribe@lists.php.net > For additional commands, e-mail: php-general-help@lists.php.net > To contact the list administrators, e-mail: php-list-admin@lists.php.net >

<? error_reporting(-1); class Telnet { // thies@thieso.net 2001 var $sock = NULL; function telnet($host,$port) { $this->sock = fsockopen($host,$port); socket_set_timeout($this->sock,2,0); } function close() { if ($this->sock) fclose($this->sock); $this->sock = NULL; } function write($buffer) { $buffer = str_replace(chr(255),chr(255).chr(255),$buffer); fwrite($this->sock,$buffer); } function getc() { return fgetc($this->sock); } function read_till($what) { $buf = ''; while (1) { $IAC = chr(255); $DONT = chr(254); $DO = chr(253); $WONT = chr(252); $WILL = chr(251); $theNULL = chr(0); $c = $this->getc(); if ($c === false) return $buf; if ($c == $theNULL) { continue; } if ($c == "\021") { continue; } if ($c != $IAC) { $buf .= $c; if ($what == (substr($buf,strlen($buf)-strlen($what)))) { return $buf; } else { continue; } } $c = $this->getc(); if ($c == $IAC) { $buf .= $c; } else if (($c == $DO) || ($c == $DONT)) { $opt = $this->getc(); // echo "we wont ".ord($opt)."\n"; fwrite($this->sock,$IAC.$WONT.$opt); } elseif (($c == $WILL) || ($c == $WONT)) { $opt = $this->getc(); // echo "we dont ".ord($opt)."\n"; fwrite($this->sock,$IAC.$DONT.$opt); } else { // echo "where are we? c=".ord($c)."\n"; } } } } $tn = new telnet("192.168.255.100",23); echo $tn->read_till("ogin: "); $tn->write("admin\r\n"); echo $tn->read_till("word: "); $tn->write("thieso\r\n"); echo $tn->read_till(":> "); $tn->write("ps\r\n"); echo $tn->read_till(":> "); echo $tn->close(); ?>