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最新推荐文章于 2025-02-06 17:28:24 发布

BROTHERYY

最新推荐文章于 2025-02-06 17:28:24 发布

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CC 4.0 BY-SA版权

分类专栏： CTF练习

本文链接：https://blog.youkuaiyun.com/BROTHERYY/article/details/106987311

//复现地址:https://buuoj.cn/challenges
//开启环境后获得源码一份。

<?php

include("flag.php");

highlight_file(__FILE__);

class FileHandler {
   
   

    protected $op;
    protected $filename;
    protected $content;

    function __construct() {
   
   
        $op = "1";
        $filename = "/tmp/tmpfile";
        $content = "Hello World!";
        $this->process();
    }

    public function process() {
   
   
        if($this->op == "1") {
   
   
            $this->write();
        } else if($this->op == "2") {
   
   
            $res = $this->read();