function mystery_process_authentication()
{
// this function processes a user's authentication, displaying login forms,
// error messages, etc.
global $_MYSTERY;
if (@$_SESSION['is_logged_in'] == 'yes') {
return;
}
mystery_setup_default_session();
if (@$_REQUEST['username'] == '' || @$_REQUEST['password'] == '') {
// the user didn't send a password / username, so just display the form
mystery_header();
mystery_display_authentication_form();
mystery_footer();
} else {
// user provided some authentication information, attempt to authenticate
if (!mystery_auth($_REQUEST['username'], $_REQUEST['password'])) {
// user couldn't be authenticated, display error message and login box again
mystery_header();
mystery_display_user_error('You entered an invalid username or password, or cannot login from your current location. Please try again.');
mystery_display_authentication_form();
mystery_footer();
}
}
}
function mystery_log_violation($code, $message = '')
{
// This function process a serious error/violation
global $_MYSTERY;
$types['Red'] = 'Spoofed User';
$types['Orange'] = 'Spoofed File';
$types['Yellow'] = 'Spoofed Action';
$types['Green'] = 'Illegal Query';
$types['Blue'] = 'Virus Upload';
$types['Purple'] = 'Spoofed Table';
$types['Brown'] = 'Illegal Many To Many Addition';
ob_start();
echo "SERVER: ";
print_r($_SERVER);
echo "SESSION: ";
print_r($_SESSION);
echo "REQUEST: ";
print_r($_REQUEST);
$context = ob_get_contents();
ob_end_clean();
$table = $_MYSTERY['table_prefix'] . 'security_log';
$data['exception_type'] = $types[$code] . ' - ' . $message;
$data['exception_code'] = $code;
$data['user_id'] = $_SESSION['user_id'];
$data['user_ip_address'] = $_SERVER['REMOTE_ADDR'];
$data['user_action'] = $_REQUEST['action'];
$data['user_time'] = date('Y-m-d h:i:s');
$data['user_request'] = $_SERVER['REQUEST_URI'];
$data['user_variables'] = $context;
$log_id = mystery_insert_query($table, $data, 'record_id');
// Prepare error string
$error_parts = array();
while (list($key, $value) = each($data)) {
$error_parts[] .= ucwords(str_replace('_', ' ', $key)) . ': ' . $value;
}
$error_string = implode("\n", $error_parts) . "\n\n";
mystery_log_error_to_file('security_log', $error_string);
// make them wait a couple seconds so they won't automate the attack
sleep(2);
mystery_header();
echo '
<h1>Access Denied</h1>
<p>Sorry, but the account you arelogged in as cannot perform the requested action. (<em>Code: ', $code, '</em>)</p>
';
mystery_display_admin_contact_info();
if ($code == 'Blue') {
echo '<p>The file you tried to upload is infected with a <strong>virus</strong>.
Please <strong>disinfect the file</strong> and try again.</p>
<p><code>', $_MYSTERY['virus_feedback'], '</code></p>';
}
mystery_footer();
}
// mystery_db_connect();
// use our custom session handlers instead of the PHP defaults
session_set_save_handler('mystery_session_open', 'mystery_session_close', 'mystery_session_read', 'mystery_session_write', 'mystery_session_destroy', 'mystery_session_gc');
// start the session
session_name($portal_config['session_name']);
session_start();
// allow the users to use the back button
header('Cache-control: private');
// use our custom error handler instead of the PHP default
set_error_handler('mystery_error_handler');
// catch all possible errors
ini_set('error_reporting', E_ALL);
// start the timer
mystery_time_results('start');
// configure the application
if (!mystery_configure()) {
if (mystery_check_installation_status()) {
mystery_header();
mystery_display_user_error('Configuration Problem');
echo '
<p>Could not load the main system configuration. The system
Administrator should verify that the system is correctly
installed and configured.</p>
';
mystery_footer();
} else {
mystery_header();
mystery_display_installation_options();
mystery_footer();
}
}
