Thanks! This works. And this give me a clue how to work on it.
Grishick.
----- Original Message -----
From: "Thies C. Arntzen" <[EMAIL PROTECTED]>
To: "Grishick" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Friday, May 11, 2001 1:39 AM
Subject: Re: [PHP] Has anyone tried to make telnet client with php?
> On Thu, May 10, 2001 at 08:28:59PM -0700, Grishick wrote:
> > Has anyone ever tried to make a telnet client with PHP? Any ideas how to
> > make it?
> > Tried to make it with socket, fsockopen, fputs, freads - does not work
for
> > telnet.
> > Probably cURL will help?
> > Deadly need an advice.
> > Thanks.
> > Grishick.
> > [EMAIL PROTECTED]
>
> the attached code was written in a hurry and does _no_ error
> checking - but it does work (for me).
>
> <?
> error_reporting(-1);
>
> class Telnet {
> /* (c) [EMAIL PROTECTED] */
>
> 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();
> ?>
>
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