servcheck_test.php

<?php
/*
 +-------------------------------------------------------------------------+
 | Copyright (C) 2004-2026 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/                                                   |
 +-------------------------------------------------------------------------+
*/

chdir('../../');
require_once('./include/auth.php');

global $config;

require_once($config['base_path'] . '/plugins/servcheck/includes/functions.php');
require($config['base_path'] . '/plugins/servcheck/includes/arrays.php');

global $refresh;

$servcheck_actions_menu = [
	1 => __('Delete', 'servcheck'),
	2 => __('Disable', 'servcheck'),
	3 => __('Enable', 'servcheck'),
	4 => __('Duplicate', 'servcheck'),
	5 => __('Clear statistics', 'servcheck'),
	6 => __('Clear log', 'servcheck'),
];

set_default_action();

switch (get_request_var('action')) {
	case 'save':
		form_save();

		break;
	case 'actions':
		form_actions();

		break;
	case 'edit':
		top_header();
		servcheck_data_edit();
		bottom_footer();

		break;
	case 'enable':
		$id = get_filter_request_var('id');

		if ($id > 0 && csrf_guard()->validate(get_nfilter_request_var('__csrf_magic'))) {
			db_execute_prepared('UPDATE plugin_servcheck_test
			SET enabled = "on"
			WHERE id = ?', [$id]);
		}

		header('Location: ' . htmlspecialchars(basename($_SERVER['PHP_SELF'])) . '?header=false');
		exit;
	case 'disable':
		$id = get_filter_request_var('id');

		if ($id > 0 && csrf_guard()->validate(get_nfilter_request_var('__csrf_magic'))) {
			db_execute_prepared('UPDATE plugin_servcheck_test
			SET enabled = ""
			WHERE id = ?', [$id]);
		}

		header('Location: ' . htmlspecialchars(basename($_SERVER['PHP_SELF'])) . '?header=false');
		exit;
	case 'purge':
		$id = get_filter_request_var('id');

		if ($id > 0 && csrf_guard()->validate(get_nfilter_request_var('__csrf_magic'))) {
			purge_log_events($id);
		}

		header('Location: ' . htmlspecialchars(basename($_SERVER['PHP_SELF'])) . '?header=false');
		exit;
	case 'history':
		top_header();
		servcheck_show_history();
		bottom_footer();

		break;
	case 'graph':
		top_header();
		servcheck_show_graph();
		bottom_footer();

		break;
	case 'last_data':
		top_header();
		servcheck_show_last_data();
		bottom_footer();

		break;
	default:
		top_header();
		data_list();
		bottom_footer();

		break;
}

/**
 * Handles the bulk-actions form for the Tests list (delete/disable/
 * enable/duplicate/clear statistics/clear log). On first display,
 * renders the confirmation dialog listing the selected tests; once
 * confirmed, applies the chosen action to each selected row. Invoked
 * from this file's dispatcher when the request's 'action' is 'actions'.
 *
 * @return void Either redirects back to this page after applying the
 *              action, or prints the confirmation dialog and returns
 *              nothing.
 *
 * @global array $servcheck_actions_menu Map of bulk-action ids to their
 *                                       display labels, used for the
 *                                       confirmation dialog title.
 */
function form_actions(): void {
	global $servcheck_actions_menu;

	// ================= input validation =================
	get_filter_request_var('drp_action', FILTER_VALIDATE_REGEXP, ['options' => ['regexp' => '/^([a-zA-Z0-9_]+)$/']]);
	// ====================================================

	// if we are to save this form, instead of display it
	if (isset_request_var('selected_items')) {
		$selected_items = sanitize_unserialize_selected_items(get_nfilter_request_var('selected_items'));

		if ($selected_items != false) {
			if (get_filter_request_var('drp_action') == 1) { // delete
				if (cacti_sizeof($selected_items)) {
					foreach ($selected_items as $item) {
						db_execute_prepared('DELETE FROM plugin_servcheck_test WHERE id = ?', [$item]);
						db_execute_prepared('DELETE FROM plugin_servcheck_log WHERE test_id = ?', [$item]);
					}
				}
			} elseif (get_filter_request_var('drp_action') == 2) { // disable
				foreach ($selected_items as $item) {
					db_execute_prepared('UPDATE plugin_servcheck_test SET enabled = "" WHERE id = ?', [$item]);
				}
			} elseif (get_filter_request_var('drp_action') == 3) { // enable
				foreach ($selected_items as $item) {
					db_execute_prepared('UPDATE plugin_servcheck_test SET enabled = "on" WHERE id = ?', [$item]);
				}
			} elseif (get_filter_request_var('drp_action') == 4) { // duplicate
				$newid = 1;

				foreach ($selected_items as $item) {
					$save = db_fetch_row_prepared('SELECT * FROM plugin_servcheck_test
						WHERE id = ?', [$item]);

					if (!is_array($save)) {
						continue;
					}

					$save['id']           = 0;
					$save['name']         = 'New Service Check (' . $newid . ')';
					$save['last_check']   = '0000-00-00 00:00:00';
					$save['triggered']    = 0;
					$save['enabled']      = '';
					$save['failures']     = 0;
					$save['stats_ok']     = 0;
					$save['stats_bad']    = 0;

					$id = sql_save($save, 'plugin_servcheck_test');

					$newid++;
				}
			} elseif (get_filter_request_var('drp_action') == 5) { // clear statistics
				foreach ($selected_items as $item) {
					db_execute_prepared('UPDATE plugin_servcheck_test SET
						stats_ok = 0, stats_bad = 0, failures = 0, triggered = 0
						WHERE id = ?', [$item]);
				}
			} elseif (get_filter_request_var('drp_action') == 6) { // clear log
				foreach ($selected_items as $item) {
					db_execute_prepared('DELETE FROM plugin_servcheck_log WHERE test_id = ?', [$item]);
				}
			}
		}

		header('Location: ' . htmlspecialchars(basename($_SERVER['PHP_SELF'])) . '?header=false');
		exit;
	}

	// setup some variables
	$item_list   = '';
	$items_array = [];
	$save_html   = '';

	// loop through each of the graphs selected on the previous page and get more info about them
	foreach ($_POST as $var => $val) {
		if (preg_match('/^chk_([0-9]+)$/', $var, $matches)) {
			// ================= input validation =================
			input_validate_input_number($matches[1]);
			// ====================================================

			$item_list .= '<li>' . db_fetch_cell_prepared('SELECT name FROM plugin_servcheck_test WHERE id = ?', [$matches[1]]) . '</li>';
			$items_array[] = $matches[1];
		}
	}

	top_header();

	form_start(htmlspecialchars(basename($_SERVER['PHP_SELF'])));

	html_start_box($servcheck_actions_menu[get_filter_request_var('drp_action')], '60%', false, 3, 'center', '');

	if (cacti_sizeof($items_array) > 0) {
		if (get_filter_request_var('drp_action') == 1) { // delete
			print "	<tr>
					<td class='topBoxAlt'>
						<p>" . __n('Click \'Continue\' to delete the following items.', 'Click \'Continue\' to delete following items.', cacti_sizeof($items_array)) . "</p>
						<div class='itemlist'><ul>$item_list</ul></div>
					</td>
				</tr>";

			$save_html = "<input type='button' value='" . __esc('Cancel') . "' onClick='cactiReturnTo()'>&nbsp;<input type='submit' value='" . __esc('Continue') . "' title='" . __esc_n('Delete item', 'Delete items', cacti_sizeof($items_array)) . "'>";
		} elseif (get_filter_request_var('drp_action') == 2) { // disable
			print "	<tr>
					<td class='topBoxAlt'>
						<p>" . __n('Click \'Continue\' to disable the following items.', 'Click \'Continue\' to disable following items.', cacti_sizeof($items_array)) . "</p>
						<div class='itemlist'><ul>$item_list</ul></div>
					</td>
				</tr>";

			$save_html = "<input type='button' value='" . __esc('Cancel') . "' onClick='cactiReturnTo()'>&nbsp;<input type='submit' value='" . __esc('Continue') . "' title='" . __esc_n('Disable item', 'Disable items', cacti_sizeof($items_array)) . "'>";
		} elseif (get_filter_request_var('drp_action') == 3) { // enable
			print "	<tr>
					<td class='topBoxAlt'>
						<p>" . __n('Click \'Continue\' to enable the following items.', 'Click \'Continue\' to enable following items.', cacti_sizeof($items_array)) . "</p>
						<div class='itemlist'><ul>$item_list</ul></div>
					</td>
				</tr>";

			$save_html = "<input type='button' value='" . __esc('Cancel') . "' onClick='cactiReturnTo()'>&nbsp;<input type='submit' value='" . __esc('Continue') . "' title='" . __esc_n('Enable item', 'Enable items', cacti_sizeof($items_array)) . "'>";
		} elseif (get_filter_request_var('drp_action') == 4) { // duplicate
			print "	<tr>
					<td class='topBoxAlt'>
						<p>" . __n('Click \'Continue\' to duplicate the following items.', 'Click \'Continue\' to duplicate following items.', cacti_sizeof($items_array)) . "</p>
						<div class='itemlist'><ul>$item_list</ul></div>
					</td>
				</tr>";

			$save_html = "<input type='button' value='" . __esc('Cancel') . "' onClick='cactiReturnTo()'>&nbsp;<input type='submit' value='" . __esc('Continue') . "' title='" . __esc_n('Duplicate item', 'Duplicate items', cacti_sizeof($items_array)) . "'>";
		} elseif (get_filter_request_var('drp_action') == 5) { // clear statistics
			print "	<tr>
					<td class='topBoxAlt'>
						<p>" . __n('Click \'Continue\' to clear statistics of following items.', 'Click \'Continue\' to clear statistics of following items.', cacti_sizeof($items_array)) . "</p>
						<div class='itemlist'><ul>$item_list</ul></div>
					</td>
				</tr>";

			$save_html = "<input type='button' value='" . __esc('Cancel') . "' onClick='cactiReturnTo()'>&nbsp;<input type='submit' value='" . __esc('Continue') . "' title='" . __esc_n('Duplicate item', 'Duplicate items', cacti_sizeof($items_array)) . "'>";
		} elseif (get_filter_request_var('drp_action') == 6) { // clear log
			print "	<tr>
					<td class='topBoxAlt'>
						<p>" . __n('Click \'Continue\' to clear log of following items.', 'Click \'Continue\' to clear log of following items.', cacti_sizeof($items_array)) . "</p>
						<div class='itemlist'><ul>$item_list</ul></div>
					</td>
				</tr>";

			$save_html = "<input type='button' value='" . __esc('Cancel') . "' onClick='cactiReturnTo()'>&nbsp;<input type='submit' value='" . __esc('Continue') . "' title='" . __esc_n('Duplicate item', 'Duplicate items', cacti_sizeof($items_array)) . "'>";
		}
	} else {
		raise_message(40);
		header('Location: ' . htmlspecialchars(basename($_SERVER['PHP_SELF'])) . '?header=false');
		exit;
	}

	print "<tr>
		<td class='saveRow'>
			<input type='hidden' name='action' value='actions'>
			<input type='hidden' name='selected_items' value='" . serialize($items_array) . "'>
			<input type='hidden' name='drp_action' value='" . get_request_var('drp_action') . "'>
			$save_html
		</td>
	</tr>";

	html_end_box();

	form_end();

	bottom_footer();
}

/**
 * Validates and saves a single service check test's configuration
 * (protocol/service type, target, credentials/CA/proxy references,
 * timing/trigger thresholds, notification settings). Invoked from this
 * file's dispatcher when the request's 'action' is 'save'.
 *
 * @return void Redirects back to the edit form for this test (or the
 *              list, on success); does not return a value.
 *
 * @global array $service_types Valid service/test type keys, used to
 *                              validate the submitted test type.
 */
function form_save(): void {
	global $service_types;

	if (isset_request_var('save_component')) {
		$save['id']             = get_filter_request_var('id');
		$save['attempt']        = get_filter_request_var('attempt');
		$save['duration_count'] = get_filter_request_var('duration_count');
		$save['poller_id']      = get_filter_request_var('poller_id');
		$save['cred_id']        = get_filter_request_var('cred_id');
		$save['ca_id']          = get_filter_request_var('ca_id');
		$save['proxy_id']       = get_filter_request_var('proxy_id');
		$save['downtrigger']    = get_filter_request_var('downtrigger');
		$save['how_often']      = get_filter_request_var('how_often');

		$save['external_id']    = get_nfilter_request_var('external_id');

		$category = '';
		$service  = '';

		if (isset_request_var('type') && array_key_exists(get_nfilter_request_var('type'), $service_types)) {
			$save['type']         = get_nfilter_request_var('type');
			[$category, $service] = explode('_', get_nfilter_request_var('type'));
		} else {
			$_SESSION['sess_error_fields']['type'] = 'type';
			raise_message(3);
		}

		if (isset_request_var('enabled')) {
			$save['enabled'] = 'on';
		} else {
			$save['enabled'] = '';
		}

		if (isset_request_var('run_script')) {
			$save['run_script'] = 'on';
		} else {
			$save['run_script'] = '';
		}

		if (isset_request_var('notify')) {
			$save['notify'] = 'on';
		} else {
			$save['notify'] = '';
		}

		if (isset_request_var('notify_accounts')) {
			if (is_array(get_nfilter_request_var('notify_accounts'))) {
				foreach (get_nfilter_request_var('notify_accounts') as $na) {
					input_validate_input_number($na);
				}
				$save['notify_accounts'] = implode(',', get_nfilter_request_var('notify_accounts'));
			} else {
				set_request_var('notify_accounts', '');
			}
		} else {
			$save['notify_accounts'] = '';
		}

		if ($category != 'rest' && isset_request_var('hostname')) {
			form_input_validate(get_nfilter_request_var('hostname'), 'hostname', '^[a-zA-Z0-9\.\-]+(\:[0-9]{1,5})?$', false, 3);
			$save['hostname'] = get_nfilter_request_var('hostname');
		}

		if ($category == 'web') {
			if (isset_request_var('ipaddress')) {
				if (get_nfilter_request_var('ipaddress') == '' || filter_var(get_nfilter_request_var('ipaddress'), FILTER_VALIDATE_IP)) {
					$save['ipaddress'] = get_nfilter_request_var('ipaddress');
				} else {
					$_SESSION['sess_error_fields']['ipaddress'] = 'ipaddress';
					raise_message(3);
				}
			}
		}

		if ($category == 'dns') {
			if ($service == 'dns') {
				if (filter_var(get_nfilter_request_var('dns_query'), FILTER_VALIDATE_DOMAIN, FILTER_FLAG_HOSTNAME)) {
					$save['dns_query'] = get_nfilter_request_var('dns_query');
				} else {
					$_SESSION['sess_error_fields']['dns_query'] = 'dns_query';
					raise_message(3);
				}
			} else { // dns over https
				if (filter_var(get_nfilter_request_var('dns_query'), FILTER_VALIDATE_REGEXP, ['options' => ['regexp' => '#^/(resolve|query-dns)\?[a-zA-Z0-9\=\.&\-]+$#']])) {
					$save['dns_query'] = get_nfilter_request_var('dns_query');
				} else {
					$_SESSION['sess_error_fields']['dns_query'] = 'dns_query';
					raise_message(3);
				}
			}
		}

		if ($category == 'ldap') {
			if (isset_request_var('ldapsearch')) {
				form_input_validate(get_nfilter_request_var('ldapsearch'), 'ldapsearch', '^[a-zA-Z0-9\.\- \*\=,]+$', false, 3);
				$save['ldapsearch'] = get_nfilter_request_var('ldapsearch');
			}
		}

		if ($category == 'snmp') {
			if (filter_var(get_nfilter_request_var('snmp_oid'), FILTER_VALIDATE_REGEXP, ['options' => ['regexp' => '#^[0-9\.]+$#']])) {
				$save['snmp_oid'] = get_nfilter_request_var('snmp_oid');
			} else {
				$_SESSION['sess_error_fields']['snmp_oid'] = 'snmp_oid';
				raise_message(3);
			}
		}

		if ($service == 'command') {
			if (filter_var(get_nfilter_request_var('ssh_command'), FILTER_VALIDATE_REGEXP, ['options' => ['regexp' => '#^[a-zA-Z0-9\./\- ]+$#']])) {
				$save['ssh_command'] = get_nfilter_request_var('ssh_command');
			} else {
				$_SESSION['sess_error_fields']['ssh_command'] = 'ssh_command';
				raise_message(3);
			}
		}

		if (isset_request_var('notes')) {
			$save['notes'] = get_nfilter_request_var('notes');
		}

		if (isset_request_var('requiresauth')) {
			$save['requiresauth'] = 'on';
		} else {
			$save['requiresauth'] = '';
		}

		if (isset_request_var('checkcert')) {
			$save['checkcert'] = 'on';
		} else {
			$save['checkcert'] = '';
		}

		if (isset_request_var('certexpirenotify')) {
			$save['certexpirenotify'] = 'on';
		} else {
			$save['certexpirenotify'] = '';
		}

		if ($category == 'web' || $category == 'ftp' || $category == 'smb' || $service == 'sftp') {
			if (isset_request_var('path')) {
				form_input_validate(get_nfilter_request_var('path'), 'path', '^[a-zA-Z0-9_;\-\/\.\?=]+$', false, 3);
				$save['path'] = get_nfilter_request_var('path');
			}
		}

		$save['duration_trigger'] = is_numeric(get_nfilter_request_var('duration_trigger')) ? get_nfilter_request_var('duration_trigger') : 0;

		$save['name'] = form_input_validate(get_nfilter_request_var('name'), 'name', '', false, 3);

		$save['search']          = get_nfilter_request_var('search');
		$save['search_maint']    = get_nfilter_request_var('search_maint');
		$save['search_failed']   = get_nfilter_request_var('search_failed');
		$save['notify_extra']    = get_nfilter_request_var('notify_extra');

		if (api_plugin_installed('thold')) {
			$save['notify_list']     = get_filter_request_var('notify_list');
		}

		if ($save['id'] > 0 && isset($_SESSION['sess_error_fields']) && cacti_sizeof($_SESSION['sess_error_fields'])) {
			foreach ($_SESSION['sess_error_fields'] as $item) {
				unset($save[$item], $_SESSION['sess_error_fields'][$item]);
			}
			clear_messages();
		}

		if (!is_error_message()) {
			$saved_id = sql_save($save, 'plugin_servcheck_test');

			if ($saved_id) {
				raise_message(1);
			} else {
				raise_message(2);
			}
		}

		if (is_error_message()) {
			header('Location: ' . htmlspecialchars(basename($_SERVER['PHP_SELF'])) . '?header=false&action=edit&id=' . get_nfilter_request_var('id'));
		} else {
			header('Location: ' . htmlspecialchars(basename($_SERVER['PHP_SELF'])) . '?header=false');
		}
	}
	exit;
}

/**
 * Deletes all recorded check-history log entries for a single service
 * check test. Invoked from this file's dispatcher when the request's
 * 'action' is 'purge'.
 *
 * @param int $id The plugin_servcheck_test.id whose log history to
 *                purge.
 *
 * @return void
 */
function purge_log_events(int $id): void {
	$name = db_fetch_cell_prepared('SELECT name
		FROM plugin_servcheck_test
		WHERE id = ?',
		[$id]);

	db_execute_prepared('DELETE FROM plugin_servcheck_log WHERE test_id = ?', [$id]);

	raise_message('test_log_purged', __('The Service Check history was purged for %s', $name, 'servcheck'), MESSAGE_LEVEL_INFO);
}

/**
 * Renders the add/edit form for a single service check test,
 * pre-populating its fields when editing an existing test, and hiding
 * the notification-list field when the Thold plugin isn't installed.
 * Invoked from this file's dispatcher when the request's 'action' is
 * 'edit'.
 *
 * @return void Outputs the edit form HTML directly.
 *
 * @global array $servcheck_test_fields The edit form's field
 *                                     definitions, filled in here with
 *                                     the test's current values.
 * @global array $service_types         Valid service/test type keys,
 *                                     used to populate the type
 *                                     selector.
 * @global array $servcheck_help_test   Per-field help text shown on the
 *                                     edit form.
 */
function servcheck_data_edit(): void {
	global $servcheck_test_fields, $service_types, $servcheck_help_test;

	// ================= input validation =================
	get_filter_request_var('id');
	// ====================================================

	$data = [];

	if (!isempty_request_var('id')) {
		$data = db_fetch_row_prepared('SELECT *
			FROM plugin_servcheck_test
			WHERE id = ?',
			[get_request_var('id')]);

		if (!is_array($data)) {
			$data = [];
		}

		$header_label = __('Test [edit: %s]', $data['name'] ?? '');
	} else {
		$header_label = __('Test [new]');
	}

	if (!api_plugin_installed('thold')) {
		$servcheck_test_fields['notify_list']['method'] = 'hidden';
	}

	form_start(htmlspecialchars(basename($_SERVER['PHP_SELF'])));

	html_start_box($header_label, '100%', true, 3, 'center', '');

	draw_edit_form(
		[
			'config' => ['no_form_tag' => true],
			'fields' => inject_form_variables($servcheck_test_fields, $data)
		]
	);

	print '<div name="specific_help" id="specific_help" class="left"></div>';

	form_hidden_box('save_component', '1', '');

	html_end_box(true, true);

	form_save_button(htmlspecialchars(basename($_SERVER['PHP_SELF'])));

	?>
	<script type='text/javascript' <?php print plugin_servcheck_csp_nonce(); ?>>

	<?php
	print 'if (typeof servcheck_help === "undefined") {' . PHP_EOL;
	print 'var servcheck_help = {};' . PHP_EOL;

	foreach ($servcheck_help_test as $key => $value) {
		print 'servcheck_help["' . $key . '"] = "' . $value . '";' . PHP_EOL;
	}
	print '}' . PHP_EOL;
	?>


	$(function() {
		var msWidth = 100;

		$('#notify_accounts option').each(function() {
			if ($(this).textWidth() > msWidth) {
				msWidth = $(this).textWidth();
			}
			$('#notify_accounts').css('width', msWidth+80+'px');
		});

		$('#notify_accounts').hide().multiselect({
			noneSelectedText: '<?php print __('No Users Selected', 'servcheck'); ?>',
			selectedText: function(numChecked, numTotal, checkedItems) {
				myReturn = numChecked + ' <?php print __('Users Selected', 'servcheck'); ?>';
				$.each(checkedItems, function(index, value) {
					if (value.value == '0') {
						myReturn='<?php print __('All Users Selected', 'servcheck'); ?>';
						return false;
					}
				});
				return myReturn;
			},
			checkAllText: '<?php print __('All', 'servcheck'); ?>',
			uncheckAllText: '<?php print __('None', 'servcheck'); ?>',
			uncheckall: function() {
				$(this).multiselect('widget').find(':checkbox:first').each(function() {
					$(this).prop('checked', true);
				});
			},
			open: function(event, ui) {
				$("input[type='search']:first").focus();
			},
			click: function(event, ui) {
				checked=$(this).multiselect('widget').find('input:checked').length;

				if (ui.value == 0) {
					if (ui.checked == true) {
						$('#notify_accounts').multiselect('uncheckAll');
						$(this).multiselect('widget').find(':checkbox:first').each(function() {
							$(this).prop('checked', true);
						});
					}
				} else if (checked == 0) {
					$(this).multiselect('widget').find(':checkbox:first').each(function() {
						$(this).click();
					});
				} else if ($(this).multiselect('widget').find('input:checked:first').val() == '0') {
					if (checked > 0) {
						$(this).multiselect('widget').find(':checkbox:first').each(function() {
							$(this).click();
							$(this).prop('disable', true);
						});
					}
				}
			}
		}).multiselectfilter({
			label: '<?php print __('Search', 'servcheck'); ?>',
			width: msWidth
		});

		setTest();
	});

	function setTest() {
		var test_type = $('#type').val();
		var tmp = test_type.split('_');

		var category = tmp[0];
		var service = tmp[1];

		$('#row_format').hide();
		$('#row_dns_query').hide();
		$('#row_ldapsearch').hide();
		$('#row_ipaddress').hide();
		$('#row_path').hide();
		$('#row_requiresauth').hide();
		$('#row_proxy_id').hide();
		$('#row_ldapsearch').hide();
		$('#row_ca_id').hide();
		$('#row_checkcert').hide();
		$('#row_certexpirenotify').hide();
		$('#row_hostname').hide();
		$('#row_snmp_oid').hide();
		$('#row_ssh_command').hide();
		$('#row_cred_id').hide();

		$('#specific_help').html(servcheck_help[test_type]);

		switch(category) {
			case 'web':
				$('#row_hostname').show();
				$('#row_ipaddress').show();
				$('#row_path').show();
				$('#row_requiresauth').show();
				$('#row_proxy_id').show();
				$('#row_cred_id').show();

				if (service == 'https') {
					$('#row_ca_id').show();
					$('#row_checkcert').show();
					$('#row_certexpirenotify').show();
				}

				break;

			case 'mail':
				$('#row_hostname').show();

				if (service != 'smtp' && service != 'imap' && service != 'pop3') {
					$('#row_checkcert').show();
					$('#row_certexpirenotify').show();
				}

				if (service != 'smtp') {
					$('#row_cred_id').show();
					$('#row_ca_id').show();
				}

				break

			case 'dns':
				$('#row_dns_query').show();
				$('#row_hostname').show();

				if (service == 'doh') {
					$('#row_ca_id').show();
					$('#row_checkcert').show();
					$('#row_certexpirenotify').show();
				}

				break;

			case 'ldap':
				$('#row_ldapsearch').show();
				$('#row_hostname').show();
				$('#row_cred_id').show();

				if (service == 'ldaps') {
					$('#row_ca_id').show();
					$('#row_checkcert').show();
					$('#row_certexpirenotify').show();
				}

				break;

			case 'ftp':
				$('#row_path').show();
				$('#row_hostname').show();
				$('#row_cred_id').show();

				if (service == 'tftp') {
					$('#row_cred_id').hide();
				}

				break;

			case 'smb':
				$('#row_path').show();
				$('#row_hostname').show();
				$('#row_cred_id').show();

				break;

			case 'mqtt':
				$('#row_path').show();
				$('#row_hostname').show();
				$('#row_cred_id').show();

				break;

			case 'rest':
				$('#row_cred_id').show();
				$('#row_checkcert').show();
				$('#row_certexpirenotify').show();

				break;

			case 'snmp':
				$('#row_hostname').show();
				$('#row_cred_id').show();
				$('#row_snmp_oid').show();

				break;

			case 'ssh':
				$('#row_hostname').show();
				$('#row_cred_id').show();

				if (service == 'command') {
					$('#row_ssh_command').show();
				}
				if (service == 'sftp') {
					$('#row_path').show();
				}

				break;
		}
	}

	</script>
	<?php
}

/**
 * Validates and stores the Tests list's filter/sort/pagination variables
 * (state, refresh interval, regex free-text search, sort column/
 * direction) in the session. Called from data_list() before rendering
 * the list.
 *
 * @return void
 */
function request_validation(): void {
	$filters = [
		'rows' => [
			'filter'  => FILTER_VALIDATE_INT,
			'pageset' => true,
			'default' => '-1'
			],
		'page' => [
			'filter'  => FILTER_VALIDATE_INT,
			'default' => '1'
			],
		'refresh' => [
			'filter'  => FILTER_VALIDATE_INT,
			'pageset' => true,
			'default' => read_config_option('log_refresh_interval')
		],
		'rfilter' => [
			'filter'  => FILTER_VALIDATE_IS_REGEX,
			'default' => '',
			'pageset' => true,
			'options' => ['options' => 'sanitize_search_string']
		],
		'sort_column' => [
			'filter'  => FILTER_CALLBACK,
			'default' => 'name',
			'options' => ['options' => 'sanitize_search_string']
			],
		'sort_direction' => [
			'filter'  => FILTER_CALLBACK,
			'default' => 'ASC',
			'options' => ['options' => 'sanitize_search_string']
			],
		'state' => [
			'filter'  => FILTER_VALIDATE_INT,
			'pageset' => true,
			'default' => '-1'
		]
	];

	validate_store_request_vars($filters, 'sess_servcheck_test');
}

/**
 * Validates and stores the check-history log view's filter/sort/
 * pagination variables (test id, free-text search, sort column/
 * direction) in the session. Called from servcheck_show_history()
 * before rendering the history list.
 *
 * @return void
 */
function servcheck_log_request_validation(): void {
	$filters = [
		'id' => [
			'filter'  => FILTER_VALIDATE_INT,
			'default' => '-1'
		],
		'rows' => [
			'filter'  => FILTER_VALIDATE_INT,
			'pageset' => true,
			'default' => '-1'
		],
		'page' => [
			'filter'  => FILTER_VALIDATE_INT,
			'default' => '1'
		],
		'filter' => [
			'filter'  => FILTER_CALLBACK,
			'default' => '',
			'options' => ['options' => 'sanitize_search_string']
		],
		'sort_column' => [
			'filter'  => FILTER_CALLBACK,
			'default' => 'last_check',
			'options' => ['options' => 'sanitize_search_string']
		],
		'sort_direction' => [
			'filter'  => FILTER_CALLBACK,
			'default' => 'DESC',
			'options' => ['options' => 'sanitize_search_string']
		],
	];

	validate_store_request_vars($filters, 'sess_servcheck_log');
}

/**
 * Renders the check-history log for a single service check test: a
 * filterable, sortable, paginated table of past check results (status,
 * error, matched search result, cURL response summary). Invoked from
 * this file's dispatcher when the request's 'action' is 'history'.
 *
 * @return void Outputs the history table HTML directly.
 *
 * @global array $config              Cacti global configuration array;
 *                                    used to build result links.
 * @global array $httperrors          Map of HTTP status codes to their
 *                                    descriptions, used to display each
 *                                    check's result code.
 * @global array $text_result         Map of result codes to their
 *                                    display labels.
 * @global array $text_result_search  Map of search-result codes to
 *                                    their display labels.
 * @global array $servcheck_states    Map of test state codes to their
 *                                    display labels/styling.
 */
function servcheck_show_history(): void {
	global $config, $httperrors, $text_result, $text_result_search, $servcheck_states;

	servcheck_log_request_validation();

	$refresh['seconds'] = 9999999;
	$refresh['page']    = htmlspecialchars(basename($_SERVER['PHP_SELF'])) . '?action=history&id=' . get_filter_request_var('id') . '&header=false';
	$refresh['logout']  = 'false';

	set_page_refresh($refresh);

	if (get_request_var('rows') == '-1') {
		$rows = read_config_option('num_rows_table');
	} else {
		$rows = get_request_var('rows');
	}

	$sql_where    = '';
	$sql_params[] = get_filter_request_var('id');

	if (get_request_var('filter') != '') {
		$sql_where .= 'AND sl.last_check LIKE ?';
		$sql_params[] = '%' . get_request_var('filter') . '%';
	}

	$sql_order = get_order_string();

	if ($sql_order == 'ORDER BY `resources` ASC') {
		$sql_order = 'ORDER BY `cpu_user` ASC, `cpu_system` ASC, `memory` ASC';
	} elseif ($sql_order == 'ORDER BY `resources` DESC') {
		$sql_order = 'ORDER BY `cpu_user` DESC, `cpu_system` DESC, `memory` DESC';
	}

	$sql_limit = ' LIMIT ' . ($rows * (get_filter_request_var('page') - 1)) . ',' . $rows;

	$result = db_fetch_assoc_prepared("SELECT sl.*, st.name
		FROM plugin_servcheck_log AS sl
		INNER JOIN plugin_servcheck_test st
		ON sl.test_id = st.id
		WHERE sl.test_id = ?
		$sql_where
		$sql_order
		$sql_limit",
		$sql_params);

	$total_rows = db_fetch_cell_prepared("SELECT COUNT(*)
		FROM plugin_servcheck_log as sl
		WHERE sl.test_id = ?
		$sql_where",
		$sql_params);

	$display_text = [
		'last_check' => [
			'display' => __('Date', 'servcheck')
		],
		'name' => [
			'display' => __('Name', 'servcheck'),
		],
		'attempt' => [
			'display' => __('Attempt', 'servcheck'),
		],
		'result' => [
			'display' => __('Result', 'servcheck'),
		],
		'result_search' => [
			'display' => __('Search result', 'servcheck'),
		],
		'duration' => [
			'display' => __('Duration', 'servcheck'),
			'align'   => 'right',
			'sort'    => 'DESC'
		],
		'certificate' => [
			'display' => __('Certificate', 'servcheck'),
		],
		'curl' => [
			'display' => __('Curl', 'servcheck'),
		],
		'returned_data_size' => [
			'display' => __('Ret. data size', 'servcheck'),
		],
		'resources' => [
			'display' => __('CPU u/CPU s/Memory', 'servcheck'),
			'sort'    => 'ASC',
			'align'   => 'right'
		],
	];

	$columns = cacti_sizeof($display_text);

	$nav = html_nav_bar(htmlspecialchars(basename($_SERVER['PHP_SELF'])) . '?action=history&filter=' . get_request_var('filter'), MAX_DISPLAY_PAGES, get_request_var('page'), $rows, $total_rows, $columns, __('Logs', 'servcheck'), 'page', 'main');

	form_start(htmlspecialchars(basename($_SERVER['PHP_SELF'])), 'chk');

	servcheck_show_tab(htmlspecialchars(basename($_SERVER['PHP_SELF'])));

	servcheck_log_filter();

	print $nav;

	html_start_box('', '100%', false, 3, 'center', '');

	html_header_sort($display_text, get_request_var('sort_column'), get_request_var('sort_direction'));

	if (count($result)) {
		foreach ($result as $row) {
			if ($row['result'] == 'not yet') {
				$res = __('Not tested yet', 'servcheck');
			} elseif ($row['result'] == 'ok') {
				$res = 'OK';
			} else {
				$res  = $row['result'] . ' (' . $row['error'] . ')';
			}

			if ($row['cert_expire'] == '0000-00-00 00:00:00' || is_null($row['cert_expire'])) {
				$days = 'N/A';
			} else {
				$days = round((strtotime($row['cert_expire']) - strtotime($row['last_check'])) / 86400, 1) . ' ' . __('days', 'servcheck');

				if ($days <= 0) {
					$days = __('Expired %s days ago', abs((int)$days), 'servcheck');
				}
			}

			if ($row['result'] == 'ok' && $row['result_search'] == 'not ok') {
				$style = 'servcheck_warning';
			} elseif ($row['result'] == 'ok') {
				$style = 'servcheck_ok';
			} else {
				$style = 'servcheck_error';
			}

			print "<tr class='tableRow selectable $style' id='line{$row['id']}'>";

			form_selectable_cell($row['last_check'], $row['id']);
			form_selectable_cell($row['name'], $row['id']);
			form_selectable_cell($row['attempt'], $row['id']);
			form_selectable_cell($res, $row['id']);
			form_selectable_cell($text_result_search[$row['result_search']], $row['id']);

			form_selectable_cell($row['duration'], $row['id'], '', 'right');
			form_selectable_cell($days, $row['id']);
			form_selectable_cell($row['curl_response'], $row['id']);
			form_selectable_cell($row['returned_data_size'] . ' b', $row['id']);
			form_selectable_cell($row['cpu_user'] . ' / ' . $row['cpu_system'] . ' / ' . $row['memory'] . 'MB', $row['id'], '', 'right');
			form_end_row();
		}
	}

	html_end_box(false);

	if (cacti_sizeof($result)) {
		print $nav;
	}

	form_end();
}

/**
 * Renders a set of timing/status trend graphs for a single service check
 * test, one per configured graph interval, when enough history exists
 * to plot. Invoked from this file's dispatcher when the request's
 * 'action' is 'graph'.
 *
 * @return void Prints an informational message when there isn't enough
 *              log data yet to graph; otherwise outputs the graphs
 *              directly.
 *
 * @global array $graph_interval The configured graph time intervals to
 *                               render (e.g. daily/weekly/monthly),
 *                               keyed by interval identifier.
 */
function servcheck_show_graph(): void {
	global $graph_interval;

	servcheck_show_tab(htmlspecialchars(basename($_SERVER['PHP_SELF'])));

	$id = get_filter_request_var('id');

	$count = db_fetch_cell_prepared('SELECT count(id) FROM plugin_servcheck_log
		WHERE test_id = ?',
		[$id]);

	if ($count < 5) {
		print __('Insufficient data, wait a few poller cycles');

		return;
	}

	$result = db_fetch_row_prepared('SELECT name
		FROM plugin_servcheck_test
		WHERE id = ?',
		[$id]);

	if (!is_array($result)) {
		$result = [];
	}

	print '<b>' . html_escape($result['name'] ?? '') . ':</b><br/>';

	foreach ($graph_interval as $key => $value) {
		print '<b>' . ($value) . ':</b>';
		servcheck_graph($id, $key);
		print '<br/><hr style="width: 50%; margin-left: 0; margin-right: auto;"><br/>';
	}
}

/**
 * Renders the main Tests list page: validates the request, draws the
 * filter toolbar, and prints the paginated, sortable table of configured
 * service check tests with their current status. Invoked from this
 * file's dispatcher for the default (no 'action') request.
 *
 * @return void Outputs the list page HTML directly.
 *
 * @global array $config              Cacti global configuration array.
 * @global array $servcheck_actions_menu Map of bulk-action ids to their
 *                                      display labels, used to populate
 *                                      the actions dropdown.
 * @global array $refresh              Set with the page auto-refresh
 *                                     configuration for
 *                                     set_page_refresh().
 * @global array $text_result_search   Map of search-result codes to
 *                                     their display labels.
 * @global array $servcheck_states     Map of test state codes to their
 *                                     display labels/styling.
 */
function data_list(): void {
	global $config, $servcheck_actions_menu, $refresh, $text_result_search, $servcheck_states;

	request_validation();

	$statefilter = '';

	if (isset_request_var('state')) {
		if (get_request_var('state') == '-1') {
			$statefilter = '';                                     // state = Any
		} elseif (get_request_var('state') == '2') {
			$statefilter = "plugin_servcheck_test.enabled = ''";   // state = Disabled
		} elseif (get_request_var('state') == '1') {
			$statefilter = "plugin_servcheck_test.enabled = 'on'"; // state = Enabled
		} elseif (get_request_var('state') == '3') {
			$statefilter = 'plugin_servcheck_test.triggered = 1';  // state = Triggered
		}
	}

	if (get_request_var('rows') == '-1') {
		$rows = read_config_option('num_rows_table');
	} else {
		$rows = get_request_var('rows');
	}

	servcheck_show_tab(htmlspecialchars(basename($_SERVER['PHP_SELF'])));

	servcheck_filter();

	$sql_where = '';

	if ($statefilter != '') {
		$sql_where .= ($sql_where == '' ? 'WHERE ' : ' AND ') . $statefilter;
	}

	$sql_order = get_order_string();

	// `statistics` and `resources` are not a table column, the columns are:
	// `stats_ok` and `stats_bad`, hence, the ORDER BY should be based on these 2 columns
	if ($sql_order == 'ORDER BY `statistics` ASC') {
		$sql_order = 'ORDER BY `stats_ok` ASC, `stats_bad` ASC';
	} elseif ($sql_order == 'ORDER BY `statistics` DESC') {
		$sql_order = 'ORDER BY `stats_ok` DESC, `stats_bad` DESC';
	}

	if ($sql_order == 'ORDER BY `resources` ASC') {
		$sql_order = 'ORDER BY `cpu_user` ASC, `cpu_system` ASC, `memory` ASC';
	} elseif ($sql_order == 'ORDER BY `resources` DESC') {
		$sql_order = 'ORDER BY `cpu_user` DESC, `cpu_system` DESC, `memory` DESC';
	}

	$sql_limit = ' LIMIT ' . ($rows * (get_request_var('page') - 1)) . ',' . $rows;

	if (get_request_var('rfilter') != '') {
		$sql_where .= ($sql_where == '' ? 'WHERE ' : ' AND ') .
			'name RLIKE \'' . get_request_var('rfilter') . '\' OR ' .
			'path RLIKE \'' . get_request_var('rfilter') . '\' OR ' .
			'search RLIKE \'' . get_request_var('rfilter') . '\' OR ' .
			'search_maint RLIKE \'' . get_request_var('rfilter') . '\' OR ' .
			'search_failed RLIKE \'' . get_request_var('rfilter') . '\'';
	}

	$result = db_fetch_assoc("SELECT *
		FROM plugin_servcheck_test
		$sql_where
		$sql_order
		$sql_limit");

	$total_rows = db_fetch_cell("SELECT COUNT(id)
		FROM plugin_servcheck_test
		$sql_where");

	$display_text = [
		'nosort' => [
			'display' => __('Actions', 'servcheck'),
			'sort'    => '',
			'align'   => 'left'
		],
		'name' => [
			'display' => __('Name', 'servcheck'),
			'sort'    => 'ASC',
			'align'   => 'left'
		],
		'last_check' => [
			'display' => __('Last Check (attempt)', 'servcheck'),
			'sort'    => 'ASC',
			'align'   => 'right'
		],
		'statistics' => [
			'display' => __('Stats (OK/problem)', 'servcheck'),
			'sort'    => 'ASC',
			'align'   => 'right'
		],
		'last_duration' => [
			'display' => __('Duration', 'servcheck'),
			'sort'    => 'ASC',
			'align'   => 'right'
		],
		'triggered' => [
			'display' => __('Triggered', 'servcheck'),
			'sort'    => 'ASC',
			'align'   => 'right'
		],
		'last_result' => [
			'display' => __('Result', 'servcheck'),
			'sort'    => 'ASC',
			'align'   => 'right'
		],
		'last_result_search' => [
			'display' => __('Search result', 'servcheck'),
			'sort'    => 'ASC',
			'align'   => 'right'
		],
		'resources' => [
			'display' => __('CPU u/CPU s/Memory', 'servcheck'),
			'sort'    => 'ASC',
			'align'   => 'right'
		],
	];

	$columns = cacti_sizeof($display_text);

	$nav = html_nav_bar(htmlspecialchars(basename($_SERVER['PHP_SELF'])) . '?filter=' . get_request_var('filter'), MAX_DISPLAY_PAGES, get_request_var('page'), $rows, $total_rows, $columns, __('Tests', 'servcheck'), 'page', 'main');

	form_start(htmlspecialchars(basename($_SERVER['PHP_SELF'])), 'chk');

	print $nav;

	html_start_box('', '100%', false, 3, 'center', '');

	html_header_sort_checkbox($display_text, get_request_var('sort_column'), get_request_var('sort_direction'), false);

	if (cacti_sizeof($result)) {
		foreach ($result as $row) {
			$long_dur = false;
			$style    = '';

			if ($row['last_result'] == 'not yet') {
				$res = __('Not tested yet', 'servcheck');
			} elseif ($row['last_result'] == 'ok') {
				$res = 'OK';
			} else {
				$res  = $row['last_result'] . ' (' . $row['last_error'] . ')';
			}

			if ($row['enabled'] == '') {
				$style = 'servcheck_disabled';
			} elseif ($row['last_result'] == 'ok' && $row['triggered_duration'] >= $row['duration_count']) {
				$style    = 'servcheck_duration';
				$long_dur = true;
			} elseif ($row['failures'] > 0 && $row['failures'] < $row['downtrigger']) {
				$style = 'servcheck_failing';
			} elseif ($row['last_result'] == 'ok' && $row['last_result_search'] == 'not ok') {
				$style = 'servcheck_warning';
			} elseif ($row['last_result'] == 'ok' && strtotime($row['last_check']) > 0) {
				$style = 'servcheck_ok';
			} else {
				$style = 'servcheck_error';
			}

			print "<tr class='tableRow selectable $style id='line{$row['id']}'>";

			print "<td width='1%' style='padding:0px;white-space:nowrap'>
				<a class='pic' href='" . html_escape($config['url_path'] . 'plugins/servcheck/servcheck_test.php?action=edit&id=' . $row['id']) . "' title='" . __esc('Edit Service Check', 'servcheck') . "'>
					<i class='tholdGlyphEdit fas fa-wrench'></i>
				</a>";

			if ($row['enabled'] == '') {
				print "<a class='pic' href='" . html_escape($config['url_path'] . 'plugins/servcheck/servcheck_test.php?action=enable&id=' . $row['id'] . '&__csrf_magic=' . urlencode(csrf_get_tokens())) . "' title='" . __esc('Enable Service Check', 'servcheck') . "'>
					<i class='tholdGlyphEnable fas fa-play-circle'></i>
				</a>";
			} else {
				print "<a class='pic' href='" . html_escape($config['url_path'] . 'plugins/servcheck/servcheck_test.php?action=disable&id=' . $row['id'] . '&__csrf_magic=' . urlencode(csrf_get_tokens())) . "' title='" . __esc('Disable Service Check', 'servcheck') . "'>
					<i class='tholdGlyphDisable fas fa-stop-circle'></i>
				</a>";
			}

			print "<a class='pic' href='" . html_escape($config['url_path'] . 'plugins/servcheck/servcheck_test.php?action=history&id=' . $row['id']) . "' title='" . __esc('View Service Check History', 'servcheck') . "'>
					<i class='tholdGlyphLog fas fa-exclamation-triangle'></i>
				</a>";

			print "<a class='pic' href='" . html_escape($config['url_path'] . 'plugins/servcheck/servcheck_test.php?action=last_data&id=' . $row['id']) . "' title='" . __esc('View Last returned data', 'servcheck') . "'>
					<i class='tholdGlyphLog fas fa-search'></i>
				</a>";

			print "<a class='pic' href='" . html_escape($config['url_path'] . 'plugins/servcheck/servcheck_test.php?action=graph&id=' . $row['id']) . "' title='" . __esc('View Graph', 'servcheck') . "'>
					<i class='tholdGlyphLog fas fa-chart-area'></i>
				</a>
			</td>";

			form_selectable_cell($row['name'], $row['id']);

			if ($row['last_check'] == '0000-00-00 00:00:00') {
				form_selectable_cell(__('N/A (N/A)', 'servcheck'), $row['id'], '', 'right');
			} else {
				form_selectable_cell($row['last_check'] . ' (' . $row['last_attempt'] . ')', $row['id'], '', 'right');
			}

			form_selectable_cell($row['stats_ok'] . ' / ' . $row['stats_bad'], $row['id'], '', 'right');

			$tmp = ' (' . $row['failures'] . ' of ' . $row['downtrigger'] . ')';

			if ($long_dur) {
				form_selectable_cell('<b>' . $row['last_duration'] . '</b>', $row['id'], '', 'right');
			} else {
				form_selectable_cell($row['last_duration'], $row['id'], '', 'right');
			}

			form_selectable_cell($row['triggered'] == '0' ? __('No', 'servcheck') . $tmp : __('Yes', 'servcheck') . $tmp, $row['id'], '', 'right');
			form_selectable_cell(substr($res, 0, 30), $row['id'], '', 'right', $res);
			form_selectable_cell($text_result_search[$row['last_result_search']], $row['id'], '', 'right');
			form_selectable_cell(round($row['cpu_user'], 2) . ' / ' . round($row['cpu_system'], 2) . ' / ' . $row['memory'] . 'MB', $row['id'], '', 'right');
			form_checkbox_cell($row['id'], $row['id']);

			form_end_row();
		}
	} else {
		print "<tr class='tableRow'><td colspan='" . $columns . "'><em>" . __('No Service Checks Found', 'servcheck') . '</em></td></tr>';
	}

	html_end_box(false);

	if (cacti_sizeof($result)) {
		print $nav;
	}

	servcheck_legend();

	draw_actions_dropdown($servcheck_actions_menu, 1);

	form_end();
}

/**
 * Displays the raw data most recently returned by a single service check
 * test's last run. Invoked from this file's dispatcher when the
 * request's 'action' is 'last_data'.
 *
 * @return void Outputs the last-returned-data HTML directly.
 */
function servcheck_show_last_data(): void {
	servcheck_show_tab(htmlspecialchars(basename($_SERVER['PHP_SELF'])));

	$result = db_fetch_row_prepared('SELECT name, last_returned_data
		FROM plugin_servcheck_test
		WHERE id = ?',
		[get_filter_request_var('id')]);

	if (!is_array($result)) {
		$result = [];
	}

	print '<b>' . __('Last returned data of test', 'servcheck') . ' ' . html_escape($result['name'] ?? '') . ':</b><br/>';
	print '<pre class="servcheck_pre">' . html_escape($result['last_returned_data'] ?? '') . '</pre>';
}

/**
 * Renders the Tests list's filter toolbar (state, refresh interval,
 * regex free-text search, rows-per-page) and its client-side
 * JavaScript, and configures the page's auto-refresh. Called from
 * data_list() before the tests table itself is rendered.
 *
 * @return void Outputs HTML and JavaScript directly.
 *
 * @global array $item_rows             Rows-per-page options offered by
 *                                     Cacti core, used to populate the
 *                                     'rows' select list.
 * @global array $page_refresh_interval Map of refresh interval seconds
 *                                     => display label, used to
 *                                     populate the refresh selector.
 */
function servcheck_filter(): void {
	global $item_rows, $page_refresh_interval;

	$refresh['page']    = 'servcheck_test.php?header=false';
	$refresh['seconds'] = get_request_var('refresh');
	$refresh['logout']  = 'false';

	set_page_refresh($refresh);

	// When a row is selected, set the background-color as black and font color as white and when hovering over a row, the background is light grey
	// servcheck_print_selectable_row_css();

	html_start_box(__('Servcheck Test Management', 'servcheck') , '100%', false, 3, 'center', htmlspecialchars(basename($_SERVER['PHP_SELF'])) . '?action=edit');
	?>

	<tr class='even'>
		<td>
		<form id='form_servcheck_item' action='<?php print htmlspecialchars(basename($_SERVER['PHP_SELF'])); ?>'>
			<table class='filterTable'>
				<tr>
					<td>
						<?php print __('Search', 'servcheck'); ?>
					</td>
					<td>
						<input type='text' class='ui-state-default ui-corner-all' id='rfilter' size='30' value='<?php print html_escape_request_var('rfilter'); ?>'>
					</td>
					<td>
						<?php print __('State', 'servcheck'); ?>
					</td>
					<td>
						<select id='state'>
							<option value='-1'><?php print __('Any', 'servcheck'); ?></option>
							<?php
							foreach (['2' => 'Disabled', '1' => 'Enabled', '3' => 'Triggered'] as $key => $row) {
								print "<option value='" . $key . "'" . (isset_request_var('state') && $key == get_request_var('state') ? ' selected' : '') . '>' . $row . '</option>';
							}
	?>
						</select>
					</td>
					<td>
						<?php print __('Refresh', 'servcheck'); ?>
					</td>
					<td>
						<select id='refresh'>
							<?php
	foreach ($page_refresh_interval as $seconds => $display_text) {
		print "<option value='" . $seconds . "'";

		if (get_request_var('refresh') == $seconds) {
			print ' selected';
		}
		print '>' . $display_text . '</option>';
	}
	?>
						</select>
					</td>
					<td>
						<?php print __('Checks', 'servcheck'); ?>
					</td>
					<td>
						<select id='rows'>
							<?php
	print "<option value='-1'" . (get_request_var('rows') == $key ? ' selected' : '') . '>' . __('Default', 'servcheck') . '</option>';

	if (cacti_sizeof($item_rows)) {
		foreach ($item_rows as $key => $value) {
			print "<option value='" . $key . "'";

			if (get_request_var('rows') == $key) {
				print ' selected';
			} print '>' . html_escape($value) . '</option>';
		}
	}
	?>
						</select>
					</td>
					<td>
						<span class='nowrap'>
							<input type='button' class='ui-button ui-corner-all ui-widget' id='refresh' value='<?php print __esc('Go'); ?>' title='<?php print __esc('Set/Refresh Filters', 'servcheck'); ?>'>
							<input type='button' class='ui-button ui-corner-all ui-widget' id='clear' value='<?php print __esc('Clear'); ?>' title='<?php print __esc('Clear Filters', 'servcheck'); ?>'>
						</span>
					</td>
				</tr>
			</table>
		</form>

		<script type='text/javascript' <?php print plugin_servcheck_csp_nonce(); ?>>
		function applyFilter() {
			strURL  = '<?php print htmlspecialchars(basename($_SERVER['PHP_SELF'])); ?>?header=false&state=' + $('#state').val();
			strURL += '&refresh=' + $('#refresh').val();
			strURL += '&rfilter=' + base64_encode($('#rfilter').val());
			strURL += '&rows=' + $('#rows').val();
			loadPageNoHeader(strURL);
		}

		function clearFilter() {
			strURL = '<?php print htmlspecialchars(basename($_SERVER['PHP_SELF'])); ?>?clear=1&header=false';
			loadPageNoHeader(strURL);
		}
		$(function() {
			$('#refresh, #state, #rows, #rfilter').change(function() {
				applyFilter();
			});

			$('#go').click(function() {
				applyFilter();
			});

			$('#clear').click(function() {
				clearFilter();
			});

			$('#form_servcheck_item').submit(function(event) {
				event.preventDefault();
				applyFilter();
			});
		});
		</script>

		</td>
	</tr>
	<?php
	html_end_box();
}

/**
 * Renders the check-history log's filter toolbar (rows-per-page,
 * free-text filter, purge-history button) and its client-side
 * JavaScript. Called from servcheck_show_history() before the history
 * table itself is rendered.
 *
 * @return void Outputs HTML and JavaScript directly.
 *
 * @global array $item_rows Rows-per-page options offered by Cacti core,
 *                          used to populate the 'rows' select list.
 */
function servcheck_log_filter(): void {
	global $item_rows;

	html_start_box(__('Service Check History', 'servcheck') , '100%', false, 3, 'center', '');

	?>
	<tr class='even noprint'>
		<td class='noprint'>
			<form id='servcheck' action='servcheck_test.php?action=history'>
			<table class='filterTable'>
				<tr class='noprint'>
					<td>
						<?php print __('Date Search', 'servcheck'); ?>
					</td>
					<td>
						<input type='text' class='ui-state-default ui-corner-all' id='filter' size='30' value='<?php print html_escape_request_var('filter'); ?>'>
					</td>
					<td>
						<?php print __('Entries', 'servcheck'); ?>
					</td>
					<td>
						<select id='rows'>
							<?php
							print "<option value='-1'" . (get_request_var('rows') == '-1' ? ' selected' : '') . '>' . __('Default', 'servcheck') . '</option>';

	if (cacti_sizeof($item_rows)) {
		foreach ($item_rows as $key => $value) {
			print "<option value='" . $key . "'";

			if (get_request_var('rows') == $key) {
				print ' selected';
			} print '>' . html_escape($value) . '</option>';
		}
	}
	?>
						</select>
					</td>
					<td>
						<span class='nowrap'>
							<input type='submit' id='go' alt='' value='<?php print __esc('Go', 'servcheck'); ?>'>
							<input type='button' id='clear' alt='' value='<?php print __esc('Clear', 'servcheck'); ?>'>
							<input type='button' id='purge' alt='' value='<?php print __esc('Purge Events', 'servcheck'); ?>'>
						</span>
					</td>
				</tr>
			</table>
			</form>
		</td>
	</tr>
	<script type='text/javascript' <?php print plugin_servcheck_csp_nonce(); ?>>

	refreshMSeconds=99999999;

	function applyFilter() {
		strURL  = '<?php print htmlspecialchars(basename($_SERVER['PHP_SELF'])); ?>?action=history&header=false&id=<?php print get_filter_request_var('id'); ?>';
		strURL += '&filter=' + $('#filter').val();
		strURL += '&rows=' + $('#rows').val();
		refreshMSeconds=99999999;
		loadPageNoHeader(strURL);
	}

	function clearFilter() {
		strURL = '<?php print htmlspecialchars(basename($_SERVER['PHP_SELF'])); ?>?action=history&clear=1&header=false';
		loadPageNoHeader(strURL);
	}

	function purgeEvents() {
		strURL = '<?php print htmlspecialchars(basename($_SERVER['PHP_SELF'])); ?>?action=purge&id=<?php print get_request_var('id'); ?>&__csrf_magic=<?php print urlencode(csrf_get_tokens()); ?>';
		loadPageNoHeader(strURL);
	}

	$(function() {
		$('#rows').change(function() {
			applyFilter();
		});

		$('#clear').click(function() {
			clearFilter();
		});

		$('#purge').click(function() {
			purgeEvents();
		});

		$('#servcheck').submit(function(event) {
			event.preventDefault();
			applyFilter();
		});
	});

	</script>

	<?php

	html_end_box();
}