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changePassword.php
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<?php
include("setting.php");
session_start();
if(!isset($_SESSION['sid']))
{
header("location:index.php");
}
$sid=$_SESSION['sid'];
$a=mysqli_query($set,"SELECT * FROM students WHERE sid='$sid'");
$b=mysqli_fetch_array($a);
$name=$b['name'];
$pass=$b['password'];
$old=sha1($_POST['old']);
$p1=sha1($_POST['p1']);
$p2=sha1($_POST['p2']);
if($_POST['old']==NULL || $_POST['p1']==NULL || $_POST['p2']==NULL)
{
//ASL Do Nothing
}
else
{
if($old!=$pass)
{
$msg="Incorrect Old Password";
}
elseif($p1!=$p2)
{
$msg="New Password Didn't Matched";
}
else
{
mysqli_query($set,"UPDATE students SET password='$p2' WHERE sid='$sid'");
$msg="Successfully Changed your Password";
}
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>E-Library</title>
<link href="design.css" rel="stylesheet" type="text/css" />
</head>
<body>
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<div align="center">
<div id="wrapper">
<br />
<br />
<span class="SubHead">Change Password</span>
<br />
<br />
<form method="post" action="">
<table cellpadding="3" cellspacing="3" class="table" align="center">
<tr><td colspan="2" class="msg" align="center"><?php echo $msg;?></td></tr>
<tr><td class="labels">Old Password :</td><td><input type="password" name="old" size="25" class="fields" placeholder="Enter Old Password" required="required" /></td></tr>
<tr><td class="labels">New Password :</td><td><input type="password" name="p1" size="25" class="fields" placeholder="Enter New Password" required="required" /></td></tr>
<tr><td class="labels">Re-Type Password :</td><td><input type="password" name="p2" size="25" class="fields" placeholder="Re-Type New Password" required="required" /></td></tr>
<tr><td colspan="2" align="center"><input type="submit" value="Change Password" class="fields" /></td></tr>
</table>
</form>
<br />
<br />
<a href="adminhome.php" class="link">Go Back</a>
<br />
<br />
</div>
</div>
</body>
</html>