PHP - Ayuda cre que esta mal mi codigo.

 
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Ayuda cre que esta mal mi codigo.

Publicado por kevin3584 (1 intervención) el 08/04/2017 12:32:51
tengo un juego online, y medienda la web cambian las contrasenas de las demas personas con solo el ID de usuario.... soy novato en esto xD

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<!DOCTYPE html>
<html lang="en">
<head>
  <title>Tales Runner Latino Change Password</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="shortcut icon" href="./tales.ico"/>
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
  <script>
 
//Seguridades Adicionales
require_once "assets/seguridad/sql_inject.php";
require_once "assets/seguridad/anti-inject-base64.php";
require_once "assets/seguridad/anti-inject-base64-PHP5.php";
require_once "assets/seguridad/sql_protect.php";
$bDestroy_session = TRUE;
$url_redirect = 'index.php';
$sqlinject = new sql_inject('Eventcore.txt',$bDestroy_session,$url_redirect) ;
 
  $(function(){
    $("#reg_user").keypress(function(event){
        if ((event.charCode >= 48 && event.charCode <= 57) || // 0-9
            (event.charCode >= 65 && event.charCode <= 90) || // A-Z
            (event.charCode >= 97 && event.charCode <= 122))  // a-z
             {} else{ return false; }
    });
    $("#reg_pass").keypress(function(event){
        if ((event.charCode >= 48 && event.charCode <= 57) || // 0-9
            (event.charCode >= 65 && event.charCode <= 90) || // A-Z
            (event.charCode >= 97 && event.charCode <= 122))  // a-z
	    {} else{ return false; }
    });
    $("#reg_conf_pass").keypress(function(event){
        if ((event.charCode >= 48 && event.charCode <= 57) || // 0-9
            (event.charCode >= 65 && event.charCode <= 90) || // A-Z
            (event.charCode >= 97 && event.charCode <= 122))  // a-z
             {} else{ return false; }
    });
 
});
  </script>
 
 <script src='https://www.google.com/recaptcha/api.js'></script>
</head>
<body>
<div id="container">
<?php
$infomsg = "";
 
                  if(isset($_POST['register']))
                    {
                      $host = "";      /// Host Name or IP Address
                      $user = "";                              /// MSSQL Username
                      $pass = "";                       /// MSSQL Password
                      $dbn  = "";                          /// Database Name
                      $dbconnect = mssql_connect($host , $user , $pass) or die ("DATABASE FAILED TO RESPOND.");
                      mssql_select_db($dbn, $dbconnect) or die ("Could Not Connect To Database !");
 
 
		      //check query row
			function checkrow($query1)
			  {
			    $query = mssql_query($query1);
			    if(mssql_num_rows($query) > 0)
			    {
			      return true;
			    }
			    else
			    {
			      return false;
			    }
			  }
		    //security
		     function chckifltr($value)//a-z A-Z 0-9 character possible
			{
			  if(preg_match('/^[a-z0-9A-Z]+$/i', $value))
			  {
			    return true;
			  }
			  else
			  {
			    return false;
			  }
			}
                      $username = $_POST['reg_user'];
                      $oldpass  = $_POST['reg_oldpass'];
                      $newpw1   = $_POST['reg_newpw1'];
                      $newpw2   = $_POST['reg_newpw2'];
                      $ppass    = $_POST['reg_ppass'];
                      $oldpass3 = md5($oldpass);
                      date_default_timezone_set('Europe/London');
					  $date = date('m/d/Y h:i:s a', time());
		      if(strlen($username) > 50){
			$infomsg = "<p class=\"bg-danger\">UserID max 20 characters</p>";
		      }else{
		      	if(strlen($oldpass) > 50){
			$infomsg = "<p class=\"bg-danger\">Oldpass max 20 characters</p>";
			  }else{
			  	if(strlen($ppass) > 50){
			$infomsg = "<p class=\"bg-danger\">Security PIN max 20 characters</p>";
			  }else{
			      if(strlen($newpw1) > 50){
				$infomsg = "<p class=\"bg-danger\">New Password max 20 characters</p>";
			      }else{
			      	if(strlen($newpw2) > 50){
				$infomsg = "<p class=\"bg-danger\">New Password max 20 characters</p>";
			      }else{
				      if($username != "" && $oldpass != "" && $newpw1 != "" && $newpw2 != "" && $ppass != "")
				      {
					if(chckifltr($username) && chckifltr($oldpass) && chckifltr($newpw1) && chckifltr($newpw2) && chckifltr($ppass))
					{
					    if($newpw1 == $newpw2)
					    {
					      if(checkrow("SELECT fdUserID FROM UserInfoFromPublisher WHERE fdUserID = '".$username."'") == true)
					      {
					      	if(checkrow("SELECT fdPassword FROM UserInfoFromPublisher WHERE fdPassword = '".$oldpass3."'") == true)
					      	{
					      	  if(checkrow("SELECT fd2Password FROM UserInfoFromPublisher WHERE fd2Password = '".$ppass."'") == true)
 
					    {
						  $Newpw3 = md5($newpw1);
						  mssql_query("UPDATE UserInfoFromPublisher SET fdPassword = '".$Newpw3."' WHERE fdUserID ='".$username."'");
						  mssql_query("INSERT INTO tblLogChangePwFromWeb (fdUserID,fdGameID,fdOldPassword,fdNewPassword,fdDateTime) VALUES ('".$username."','".$username."','".$oldpass3."','".$Newpw3."','".$date."')");
						  $infomsg = "<p class=\"bg-success\">The account ".$username." has been successfully change the password!</p>";
					      }
					      else
					      {
						$infomsg = "<font color='red'>Current PIN you have entered is Incorrect!</p>";
					      }
					    }
					    else
						 {
						$infomsg = "<font color='red'>Current Password you have entered is Incorrect!</p>";
					      }
					    }
					    else
						 {
						$infomsg = "<font color='red'>Username you have entered is Incorrect!</p>";
					      }
					    }
					    else
					    {
					      $infomsg = "<font color='red'>Passwords don't match!</p>";
					    }
					}
					else
					{
					  $infomsg = "<font color='red'>Please enter only letters and numbers!</p>";
					}
				      }
				      else
				      {
					$infomsg = "<p class=\"bg-danger\">Please fill in all of the fields!</p>";
				      }
				    }
			    }
		    }
 
		}
	}
}
                    ?>
<form method="post" action="" class="form-horizontal">
<p class="bg-primary">Change Password For Tales Runner Latino</p>
<table id="registertable" class="table table-bordered">
<tr>
<td>
<p>Login ID</p>
</td>
<td>
<input type="text" maxlength="50" class="btn btn-default" id="reg_user" name="reg_user"/>
</td>
</tr>
<tr>
<td>
<p>Current Password</p>
</td>
<td>
<input type="password" maxlength="50" class="btn btn-default" id="reg_oldpass" name="reg_oldpass"/>
</td>
</tr>
<tr>
<td>
<p>New Password</p>
</td>
<td>
<input type="password" maxlength="50" class="btn btn-default" id="reg_newpw1" name="reg_newpw1"/>
</td>
</tr>
<tr>
<td>
<p>Confirmar New Password</p>
</td>
<td>
<input type="password" maxlength="50" class="btn btn-default" id="reg_newpw2" name="reg_newpw2"/>
</td>
</tr>
<tr>
<td>
<p>Security PIN (For pw change and recovery) <a href="https://www.talesrunnerlatino.net.ve/TR/update.php" class="SetPIN" target="_blank">Click here to Set Security PIN on ur account</a></p>
</td>
<td>
<input type="password" maxlength="50" class="btn btn-default" id="reg_ppass" name="reg_ppass"/>
</td>
</tr>
<tr><td><center><?php echo $infomsg;?></center></td><td>
<button type="submit" name="register" class="btn btn-danger">Change Password</button></td>
</tr>
</table>
</form>
<center>
<div class="g-recaptcha" data-sitekey="6Lf4BRoUAAAAAOEcd_8i9wJPV8ek0QJ6mjrkTaEU"></div>
</center>
<br><br>
</div> </body>


Agradesco con todo el alma si me ayudan :c
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