侯体宗的博客
  • 首页
  • Hyperf版
  • beego仿版
  • 人生(杂谈)
  • 技术
  • 关于我
  • 更多分类
    • 文件下载
    • 文字修仙
    • 中国象棋ai
    • 群聊
    • 九宫格抽奖
    • 拼图
    • 消消乐
    • 相册

php实现telnet功能示例

php  /  管理员 发布于 7年前   496


class PHPTelnet {
    var $show_connect_error=1;

    var $use_usleep=0;  // change to 1 for faster execution
        // don't change to 1 on Windows servers unless you have PHP 5
    var $sleeptime=125000;
    var $loginsleeptime=1000000;

    var $fp=NULL;
    var $loginprompt;

    var $conn1;
    var $conn2;

    /*
    0 = success
    1 = couldn't open network connection
    2 = unknown host
    3 = login failed
    4 = PHP version too low
    */
    function Connect($server,$user,$pass) {
        $rv=0;
        $vers=explode('.',PHP_VERSION);
        $needvers=array(4,3,0);
        $j=count($vers);
        $k=count($needvers);
        if ($k<$j) $j=$k;
        for ($i=0;$i<$j;$i++) {
            if (($vers[$i]+0)>$needvers[$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\n");
                $this->Sleep();

                fputs($this->fp,"$pass\n");
                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\n");
            $this->Sleep();
            $this->GetResponse($r);
            $r=preg_replace("/^.*?\n(.*)\n[^\n]*$/","$1",$r);
        }
        return $this->fp?1:0;
    }

    function GetResponse(&$r) {
        $r='';
        do {
            $r.=fread($this->fp, 1024);
            $s=socket_get_status($this->fp);
        } while ($s['unread_bytes']);
    }

    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;
        }
    }
}

?>


  • 上一条:
    PHP用星号隐藏部份用户名、身份证、IP、手机号等实例
    下一条:
    C#使用PHP服务端的Web Service通信实例
  • 昵称:

    邮箱:

    0条评论 (评论内容有缓存机制,请悉知!)
    最新最热
    • 分类目录
    • 人生(杂谈)
    • 技术
    • linux
    • Java
    • php
    • 框架(架构)
    • 前端
    • ThinkPHP
    • 数据库
    • 微信(小程序)
    • Laravel
    • Redis
    • Docker
    • Go
    • swoole
    • Windows
    • Python
    • 苹果(mac/ios)
    • 相关文章
    • Laravel从Accel获得5700万美元A轮融资(0个评论)
    • PHP 8.4 Alpha 1现已发布!(0个评论)
    • 用Time Warden监控PHP中的代码处理时间(0个评论)
    • 在PHP中使用array_pop + yield实现读取超大型目录功能示例(0个评论)
    • Property Hooks RFC在PHP 8.4中越来越接近现实(0个评论)
    • 近期文章
    • 智能合约Solidity学习CryptoZombie第三课:组建僵尸军队(高级Solidity理论)(0个评论)
    • 智能合约Solidity学习CryptoZombie第二课:让你的僵尸猎食(0个评论)
    • 智能合约Solidity学习CryptoZombie第一课:生成一只你的僵尸(0个评论)
    • 在go中实现一个常用的先进先出的缓存淘汰算法示例代码(0个评论)
    • 在go+gin中使用"github.com/skip2/go-qrcode"实现url转二维码功能(0个评论)
    • 在go语言中使用api.geonames.org接口实现根据国际邮政编码获取地址信息功能(1个评论)
    • 在go语言中使用github.com/signintech/gopdf实现生成pdf分页文件功能(0个评论)
    • gmail发邮件报错:534 5.7.9 Application-specific password required...解决方案(0个评论)
    • 欧盟关于强迫劳动的规定的官方举报渠道及官方举报网站(0个评论)
    • 在go语言中使用github.com/signintech/gopdf实现生成pdf文件功能(0个评论)
    • 近期评论
    • 122 在

      学历:一种延缓就业设计,生活需求下的权衡之选中评论 工作几年后,报名考研了,到现在还没认真学习备考,迷茫中。作为一名北漂互联网打工人..
    • 123 在

      Clash for Windows作者删库跑路了,github已404中评论 按理说只要你在国内,所有的流量进出都在监控范围内,不管你怎么隐藏也没用,想搞你分..
    • 原梓番博客 在

      在Laravel框架中使用模型Model分表最简单的方法中评论 好久好久都没看友情链接申请了,今天刚看,已经添加。..
    • 博主 在

      佛跳墙vpn软件不会用?上不了网?佛跳墙vpn常见问题以及解决办法中评论 @1111老铁这个不行了,可以看看近期评论的其他文章..
    • 1111 在

      佛跳墙vpn软件不会用?上不了网?佛跳墙vpn常见问题以及解决办法中评论 网站不能打开,博主百忙中能否发个APP下载链接,佛跳墙或极光..
    • 2016-10
    • 2016-11
    • 2017-06
    • 2017-07
    • 2017-08
    • 2017-09
    • 2017-11
    • 2017-12
    • 2018-01
    • 2018-02
    • 2018-03
    • 2020-03
    • 2020-04
    • 2020-05
    • 2020-06
    • 2020-07
    • 2020-09
    • 2021-02
    • 2021-03
    • 2021-04
    • 2021-05
    • 2021-06
    • 2021-07
    • 2021-08
    • 2021-09
    • 2021-10
    • 2021-11
    • 2021-12
    • 2022-01
    • 2022-02
    • 2022-05
    • 2022-06
    • 2022-07
    • 2022-08
    • 2022-09
    • 2022-10
    • 2022-11
    • 2022-12
    • 2023-01
    • 2023-02
    • 2023-03
    • 2023-04
    • 2023-05
    • 2023-06
    • 2023-07
    • 2023-08
    • 2023-09
    • 2023-10
    • 2023-11
    • 2023-12
    • 2024-01
    • 2024-02
    • 2024-03
    • 2024-04
    • 2024-05
    • 2024-06
    • 2024-07
    • 2024-09
    Top

    Copyright·© 2019 侯体宗版权所有· 粤ICP备20027696号 PHP交流群

    侯体宗的博客