Files
2024-06-26 16:50:09 +02:00

273 lines
9.2 KiB
PHP

<?php
session_start();
// Check if the user is logged in
if (!isset($_SESSION['username']) or !isset($_SESSION["login"])) {
// Redirect to the login page or handle unauthorized access
header("Location: /login.php");
exit();
}
$username = $_SESSION['username'];
$perms = $_SESSION["perms"];
$email = $_SESSION["email"];
if($perms[0]!=="1"){
header("location:/system/insecure_zone/php/no_access.php");
$block=1;
exit();
}else{
$block=0;
}
//for the get_perms_str() function
include "perms_functions.php";
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js" integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM" crossorigin="anonymous"></script>
<title>Change Password</title>
</head>
<body>
<?php
//load users attributes
include "../../../config.php";
$conn = new mysqli($DB_SERVERNAME, $DB_USERNAME, $DB_PASSWORD, $DB_DATABASE);
// Check the connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$sql="SELECT * FROM users WHERE id=?";
$stmt = $conn->prepare($sql);
$m_userid=htmlspecialchars($_GET["userid"]);
$stmt->bind_param("i", $m_userid);
$stmt->execute();
// Get the result
$result = $stmt->get_result();
$row = $result->fetch_assoc();
$stmt->close();
$m_username=$row["username"];
$m_email=$row["email"];
$m_permissions=$row["perms"];
$conn->close();
?>
<div class="container mt-5">
<div class="row justify-content-center">
<div class="col-md-6">
<div class="card">
<div class="card-header">
<h4>Manage a user</h4>
</div>
<div class="card-body">
<form action="manage_user.php?update=true&userid=<?php echo($m_userid); ?>" method="post">
<div class="form-group">
<label for="username">Username:</label>
<input type="text" class="form-control" id="username" name="username" value="<?php echo($m_username); ?>" required>
</div>
<div class="form-group">
<label for="email">Email:</label>
<input type="email" class="form-control" id="email" name="email" value="<?php echo($m_email); ?>" required>
</div>
<label for="perms_table">User permissions:</label>
<table class="table" id="perms_table" name="perms_table">
<thead>
<tr>
<th>#</th>
<th>Description</th>
<th>Allow/Deny</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">1</th>
<td>Add user <a data-bs-target="#warning" data-bs-toggle="modal" href="#warning">(Warning!)</a></td>
<?php
if($m_permissions[0]=="1")
echo('<td><input type="checkbox" name="add_user" checked></td>');
else
echo('<td><input type="checkbox" name="add_user"></td>');
?>
</tr>
<tr>
<th scope="row">2</th>
<td>Delete/list/manage user <a data-bs-target="#warning2" data-bs-toggle="modal" href="#warning2">(Warning!)</a></td>
<?php
if($m_permissions[1]=="1")
echo('<td><input type="checkbox" name="delete_user" checked></td>');
else
echo('<td><input type="checkbox" name="delete_user"></td>');
?>
</tr>
<tr>
<th scope="row">3</th>
<td>View log</td>
<?php
if($m_permissions[2]=="1")
echo('<td><input type="checkbox" name="view_log" checked></td>');
else
echo('<td><input type="checkbox" name="view_log"></td>');
?>
</tr>
<tr>
<th scope="row">4</th>
<td>Delete log</td>
<?php
if($m_permissions[3]=="1")
echo('<td><input type="checkbox" name="delete_log" checked></td>');
else
echo('<td><input type="checkbox" name="delete_log"></td>');
?>
</tr>
<tr>
<th scope="row">5</th>
<td>Server Settings</td>
<?php
if($m_permissions[4]=="1")
echo('<td><input type="checkbox" name="server_settings" checked></td>');
else
echo('<td><input type="checkbox" name="server_settings"></td>');
?>
</tr>
<tr>
<th scope="row">6</th>
<td>Client settings</td>
<?php
if($m_permissions[5]=="1")
echo('<td><input type="checkbox" name="client_settings" checked></td>');
else
echo('<td><input type="checkbox" name="client_settings"></td>');
?>
</tr>
<tr>
<th scope="row">7</th>
<td>Database settings</td>
<?php
if($m_permissions[6]=="1")
echo('<td><input type="checkbox" name="database_settings" checked></td>');
else
echo('<td><input type="checkbox" name="database_settings"></td>');
?>
</tr>
<tr>
<th scope="row">8</th>
<td>Add clients</td>
<?php
if($m_permissions[7]=="1")
echo('<td><input type="checkbox" name="add_clients" checked></td>');
else
echo('<td><input type="checkbox" name="add_clients"></td>');
?>
</tr>
<tr>
<th scope="row">9</th>
<td>Delete/list clients</td>
<?php
if($m_permissions[8]=="1")
echo('<td><input type="checkbox" name="delete_clients" checked></td>');
else
echo('<td><input type="checkbox" name="delete_clients"></td>');
?>
</tr>
<tr>
<th scope="row">10</th>
<td>View Incidents</td>
<?php
if($m_permissions[9]=="1")
echo('<td><input type="checkbox" name="view_incidents" checked></td>');
else
echo('<td><input type="checkbox" name="view_incidents"></td>');
?>
</tr>
<tr>
<th scope="row">11</th>
<td>Manage Incidents</td>
<?php
if($m_permissions[10]=="1")
echo('<td><input type="checkbox" name="manage_incidents" checked></td>');
else
echo('<td><input type="checkbox" name="manage_incidents"></td>');
?>
</tr>
</tbody>
</table>
<button type="submit" class="btn btn-primary btn-block">Update user</button>
</form>
<br>
<!-- php code to add user-->
<?php
// Check if the form is submitted
if ($_SERVER["REQUEST_METHOD"] == "POST" and $block==0) {
// Retrieve user input
$m_email=$_POST["email"];
$m_username=$_POST["username"];
$m_permissions=get_perm_str();
// Create a connection
$conn = new mysqli($DB_SERVERNAME, $DB_USERNAME, $DB_PASSWORD, $DB_DATABASE);
// Check the connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$stmt = $conn->prepare("UPDATE users set email=?, username=?,perms=? WHERE id=?");
$stmt->bind_param("sssi", $m_email, $m_username, $m_permissions,$m_userid);
$m_email=htmlspecialchars($_POST["email"]);
$m_username=htmlspecialchars($_POST["username"]);
$m_permissions=get_perm_str();
$stmt->execute();
$stmt->close();
$conn->close();
echo("<script>location.href='user_list.php'; </script>");
}elseif($block==1){
echo '<div class="alert alert-danger" role="alert">
You do not have permission to update a user!
</div>';
}
?>
</div>
</div>
</div>
<div class="modal fade" id="warning" tabindex="-1" aria-labelledby="exampleModalLabel" aria-hidden="false">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalLabel">User add permission warning</h5>
<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
A user with the permission "add_user" can add new users with all permissions.<br>
Including permissions which the user, who creates the new user does not have.<br>
This can be used for privilege escalation!<br>
Please only allow a few trusted users this permission!
</div>
</div>
</div>
</div>
<div class="modal fade" id="warning2" tabindex="-1" aria-labelledby="warning2_label" aria-hidden="false">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="warning2_label">User manage permission warning</h5>
<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
A user with the permission "manage_user" can change all permissions of all users.<br>
Including permissions which the user, who has this permission does not have.<br>
This can be used for privilege escalation!<br>
Please only allow a few trusted users this permission!
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>