$needvers[$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 $this->fp?1:0;
}
// Añadido para hacer el tabulador
function DoCommand2($c,&$r) {
if ($this->fp) {
fputs($this->fp,"$c\t");
$this->Sleep();
$this->GetResponse($r);
$r=preg_replace("/^.*?\n(.*)\n[^\n]*$/","$1",$r);
}
return $this->fp?1:0;
}
// Hasta aquí
// Añadido para hacer el backspace
function DoCommand3() {
if ($this->fp) {
fputs($this->fp,"\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177");
$this->Sleep();
}
return $this->fp?1:0;
}
// Hasta aquí
function GetResponse(&$r) {
$r='';
do {
$r.=fread($this->fp,10000);
// Añado esto
if(strpos($r,'MORE')!=0){
fputs($this->fp,"\s");
$this->Sleep();
$r.=fread($this->fp,10000);
$r = preg_replace('/.*24;1H([^\x1b]*)\r.*$/', "$1", $r);
}
$s=socket_get_status($this->fp);
} while ($s['unread_bytes'] && !$s['eof']);
}
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 '
[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 server\'s PHP version is too low for PHP Telnet
'; break;
}
}
}
return;
?>
e-REdING. Biblioteca de la Escuela Superior de Ingenieros de Sevilla.
