<?php
/*
 +-------------------------------------------------------------------------+
 | Copyright (C) 2004-2017 The Cacti Group                                 |
 |                                                                         |
 | This program is free software; you can redistribute it and/or           |
 | modify it under the terms of the GNU General Public License             |
 | as published by the Free Software Foundation; either version 2          |
 | of the License, or (at your option) any later version.                  |
 |                                                                         |
 | This program is distributed in the hope that it will be useful,         |
 | but WITHOUT ANY WARRANTY; without even the implied warranty of          |
 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           |
 | GNU General Public License for more details.                            |
 +-------------------------------------------------------------------------+
 | Cacti: The Complete RRDtool-based Graphing Solution                     |
 +-------------------------------------------------------------------------+
 | This code is designed, written, and maintained by the Cacti Group. See  |
 | about.php and/or the AUTHORS file for specific developer information.   |
 +-------------------------------------------------------------------------+
 | http://www.cacti.net/                                                   |
 +-------------------------------------------------------------------------+
*/

function input_validate_input_equals($value, $c_value) {
	if ($value != $c_value) {
		die_html_input_error();
	}
}

function input_validate_input_number($value) {
	if ((!is_numeric($value)) && ($value != '')) {
		die_html_input_error();
	}
}

function input_validate_input_regex($value, $regex) {
	if ($value != null && $value != '' && (!preg_match('/' . $regex . '/', $value))) {
		die_html_input_error();
	}
}

function html_log_input_error($variable) {
	cacti_debug_backtrace("Input Validation Not Performed for '$variable'");
}

function die_html_input_error($variable = '', $value = '', $message = '') {
	global $config;

	?>
	<table style='width:100%;text-align:center;'>
		<tr>
			<td>
				<?php print __('Validation error for variable %s with a value of %s.  See backtrace below for more details.', $variable, htmlspecialchars($value));?>
			</td>
		</tr>
	</table>
	<?php

	cacti_debug_backtrace('Validation Error' . ($variable != '' ? ", Variable:$variable":'') . ($value != '' ? ", Value:$value":''), true);

	bottom_footer();
	exit;
}

