mikhail-chystsiakou · June 12, 2018 11:01
diff --git a/index.php b/index.php
 <html>
 <head>
    <title>Проверка пароля</title>
    <link rel='stylesheet' href='style.css' type='text/css'>
    <meta charset="utf-8" />
 </head>
 <body>

 <?php
 require 'flag.php';

 if (isset ($_GET['password'])) {
 	if (ereg ("^[a-zA-Z0-9]+$", $_GET['password']) === FALSE)
 		echo '<p class="alert">You password must be alphanumeric</p>';
 	else if (strpos ($_GET['password'], '--') !== FALSE)
 		die('Flag: ' . $flag);
 	else
 		echo '<p class="alert">Неверный пароль</p>';
 }
 ?>

 <section class="login">
        <div class="title">
                <a href="./index.txt">Исходник</a>
        </div>

        <form method="get">
                <input type="text" required name="password" placeholder="Пароль" /><br/>
                <input type="submit" value="Войти"/>
        </form>
 </section>
 </body>
 </html>
	<html>
	<head>
	<title>Проверка пароля</title>
	<link rel='stylesheet' href='style.css' type='text/css'>
	<meta charset="utf-8" />
	</head>
	<body>

	<?php
	require 'flag.php';

	if (isset ($_GET['password'])) {
	if (ereg ("^[a-zA-Z0-9]+$", $_GET['password']) === FALSE)
	echo '<p class="alert">You password must be alphanumeric</p>';
	else if (strpos ($_GET['password'], '--') !== FALSE)
	die('Flag: ' . $flag);
	else
	echo '<p class="alert">Неверный пароль</p>';
	}
	?>

	<section class="login">
	<div class="title">
	<a href="./index.txt">Исходник</a>
	</div>

	<form method="get">
	<input type="text" required name="password" placeholder="Пароль" /><br/>
	<input type="submit" value="Войти"/>
	</form>
	</section>
	</body>
	</html>