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-   -   help this beginner please,... my login form doesn't work well (http://www.go4expert.com/forums/help-beginner-login-form-doesnt-t29894/)

neocalisma 7Nov2013 14:14

help this beginner please,... my login form doesn't work well
 
hi,

i wrote this code of html and php for my login form.
my login form page doesn't work so well,

it looks like does not check over my db_password.
either i enter a valid or invalid password it goes "You are successfully logged in"....
but it works for my db_username,
if i've enter invalid username it goes to my username_failed.php

here are the code :

* login.php :

Code:

<?php
    $connect = mysql_connect("localhost","root","");
    mysql_select_db("user", $connect);
    ?>

<!DOCTYPE html>
<!--[if lt IE 7]> <html class="lt-ie9 lt-ie8 lt-ie7" lang="en"> <![endif]-->
<!--[if IE 7]> <html class="lt-ie9 lt-ie8" lang="en"> <![endif]-->
<!--[if IE 8]> <html class="lt-ie9" lang="en"> <![endif]-->
<!--[if gt IE 8]><!--> <html lang="en"> <!--<![endif]-->
<head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
  <title>Login Form</title>
  <link rel="stylesheet" href="css/style.css">
  <!--[if lt IE 9]><script src="//html5shim.googlecode.com/svn/trunk/html5.js"></script><![endif]-->
</head>
<body>
  <section class="container">
    <div class="login">
      <h1>Login to TITAN App</h1>
      <form method="post" action="login_process.php">
        <p><input type="text" name="username" value="" placeholder="Username"></p>
        <p><input type="password" name="password" value="" placeholder="Password"></p>
        <p class="remember_me">
          <label>
            <input type="checkbox" name="remember_me" id="remember_me">
            Remember me on this computer
          </label>
        </p>
        <p class="submit"><input type="submit" name="commit" value="Login"></p>
      </form>
    </div>

 </body>
</html>
 <?php
    exit;
    ?>

* login_process.php :

Code:

<HTML>
<HEAD>
<TITLE> Authentification Page </TITLE>
</HEAD>
<BODY>
<?
$username = $_POST['username'];
$password = MD5($_POST['password']);
$host = "localhost";
$db_user = "root";
$db_passwd = "";
$db = "user";
$stop = 0;
$sql = "select * from tbl_user where username='$username'";
$conn = @mysql_connect($host,$db_user,$db_password) or
    die("Koneksi gagal : " . mysql_error());
mysql_select_db($db);
$qry = mysql_query($sql) or
    die("Query salah : " . mysql_error());
$num = mysql_num_rows($qry);
$row = mysql_fetch_array($qry);

if ($num==0) {
    header('Location: username_failed.php');
} else {
    if ($password==$row['password']) {
     
        echo "Your password is invalid <br />";
        echo "Go back and type the valid password";
    } else {
        echo "You are successfully logged in";
    }
}
?>
</BODY>
</HTML>

it looks like there is something wrong with my login_process.php code :nonod:
please help me
thank you

shabbir 7Nov2013 17:38

Re: help this beginner please,... my login form doesn't work well
 
What does the $row variable contain in the login_process.php?


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