php 模拟telnet登陆实现操作的吧。
有现成代码:- <?
- error_reporting(-1);
- class Telnet {
- 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 == "1") {
- 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($c)."\n";
- }
- }
- }
- }
- #/$telnet = new telnet("192.168.0.1",23);
- #/echo $telnet->read_till("login: ");
- #/$tn->write("kongxx\r\n");
- #/echo $telnet->read_till("password: ");
- #/$tn->write("KONGXX\r\n");
- #/echo $telnet->read_till(":> ");
- #/$tn->write("ls\r\n");
- #/echo $telnet->read_till(":> ");
- #/echo $telnet->close();
- ?>
复制代码 |