PHP get_request_var_request函数代码示例

function flowview_delete_filter()
{
    db_execute('DELETE FROM plugin_flowview_queries WHERE id=' . get_request_var_request('query'));
    db_execute('DELETE FROM plugin_flowview_schedules WHERE savedquery=' . get_request_var_request('query'));
    raise_message('flow_deleted');
    header('Location: flowview.php?tab=filters&header=false');
    exit;
}

function flowview_delete_filter()
{
    global $config, $colors;
    db_execute("DELETE FROM plugin_flowview_queries WHERE id=" . get_request_var_request('query'));
    raise_message('flow_deleted');
    header("Location: flowview.php");
    exit;
}

function utilities_view_poller_cache()
{
    global $poller_actions;
    define("MAX_DISPLAY_PAGES", 21);
    /* ================= input validation ================= */
    input_validate_input_number(get_request_var_request("host_id"));
    input_validate_input_number(get_request_var_request("page"));
    input_validate_input_number(get_request_var_request("poller_action"));
    /* ==================================================== */
    /* clean up search filter */
    if (isset($_REQUEST["filter"])) {
        $_REQUEST["filter"] = sanitize_search_string(get_request_var("filter"));
    }
    /* clean up sort_column */
    if (isset($_REQUEST["sort_column"])) {
        $_REQUEST["sort_column"] = sanitize_search_string(get_request_var("sort_column"));
    }
    /* clean up sort direction */
    if (isset($_REQUEST["sort_direction"])) {
        $_REQUEST["sort_direction"] = sanitize_search_string(get_request_var("sort_direction"));
    }
    /* if the user pushed the 'clear' button */
    if (isset($_REQUEST["clear_x"])) {
        kill_session_var("sess_poller_current_page");
        kill_session_var("sess_poller_host_id");
        kill_session_var("sess_poller_poller_action");
        kill_session_var("sess_poller_filter");
        unset($_REQUEST["page"]);
        unset($_REQUEST["filter"]);
        unset($_REQUEST["host_id"]);
        unset($_REQUEST["poller_action"]);
    }
    if (!empty($_SESSION["sess_poller_action"]) && !empty($_REQUEST["poller_action"])) {
        if ($_SESSION["sess_poller_poller_action"] != $_REQUEST["poller_action"]) {
            $_REQUEST["page"] = 1;
        }
    }
    /* remember these search fields in session vars so we don't have to keep passing them around */
    load_current_session_value("page", "sess_poller_current_page", "1");
    load_current_session_value("host_id", "sess_poller_host_id", "-1");
    load_current_session_value("poller_action", "sess_poller_poller_action", "-1");
    load_current_session_value("filter", "sess_poller_filter", "");
    load_current_session_value("sort_column", "sess_poller_sort_column", "data_template_data.name_cache");
    load_current_session_value("sort_direction", "sess_poller_sort_direction", "ASC");
    $_REQUEST['page_referrer'] = 'view_poller_cache';
    load_current_session_value('page_referrer', 'page_referrer', 'view_poller_cache');
    ?>
	<script type="text/javascript">
	<!--

	function applyPItemFilterChange(objForm) {
		strURL = '?poller_action=' + objForm.poller_action.value;
		strURL = strURL + '&host_id=' + objForm.host_id.value;
		strURL = strURL + '&filter=' + objForm.filter.value;
		strURL = strURL + '&action=view_poller_cache';
		document.location = strURL;
	}

	-->
	</script>
	<?php 
    html_start_box("<strong>Poller Cache Items</strong>", "100%", "", "3", "center", "");
    ?>
	<tr class='even noprint'>
		<td>
		<form name="form_pollercache" action="utilities.php">
			<table cellpadding="0" cellspacing="0">
				<tr>
					<td nowrap style='white-space: nowrap;' width="50">
						Host:&nbsp;
					</td>
					<td width="1">
						<select name="host_id" onChange="applyPItemFilterChange(document.form_pollercache)">
							<option value="-1"<?php 
    if (get_request_var_request("host_id") == "-1") {
        ?>
 selected<?php 
    }
    ?>
>Any</option>
							<option value="0"<?php 
    if (get_request_var_request("host_id") == "0") {
        ?>
 selected<?php 
    }
    ?>
>None</option>
							<?php 
    $hosts = db_fetch_assoc("select id,description,hostname from host order by description");
    if (sizeof($hosts) > 0) {
        foreach ($hosts as $host) {
            print "<option value='" . $host["id"] . "'";
            if (get_request_var_request("host_id") == $host["id"]) {
                print " selected";
            }
            print ">" . $host["description"] . "</option>\n";
        }
    }
    ?>
						</select>
//.........这里部分代码省略.........

function graph() {
	global $colors, $graph_actions, $item_rows;

	/* ================= input validation ================= */
	input_validate_input_number(get_request_var_request("host_id"));
	input_validate_input_number(get_request_var_request("graph_rows"));
	input_validate_input_number(get_request_var_request("template_id"));
	input_validate_input_number(get_request_var_request("page"));
	/* ==================================================== */

	/* clean up search string */
	if (isset($_REQUEST["filter"])) {
		$_REQUEST["filter"] = sanitize_search_string(get_request_var("filter"));
	}

	/* clean up sort_column string */
	if (isset($_REQUEST["sort_column"])) {
		$_REQUEST["sort_column"] = sanitize_search_string(get_request_var("sort_column"));
	}

	/* clean up sort_direction string */
	if (isset($_REQUEST["sort_direction"])) {
		$_REQUEST["sort_direction"] = sanitize_search_string(get_request_var("sort_direction"));
	}

	/* if the user pushed the 'clear' button */
	if (isset($_REQUEST["clear_x"])) {
		kill_session_var("sess_graph_current_page");
		kill_session_var("sess_graph_filter");
		kill_session_var("sess_graph_sort_column");
		kill_session_var("sess_graph_sort_direction");
		kill_session_var("sess_graph_host_id");
		kill_session_var("sess_graph_rows");
		kill_session_var("sess_graph_template_id");

		unset($_REQUEST["page"]);
		unset($_REQUEST["filter"]);
		unset($_REQUEST["sort_column"]);
		unset($_REQUEST["sort_direction"]);
		unset($_REQUEST["host_id"]);
		unset($_REQUEST["graph_rows"]);
		unset($_REQUEST["template_id"]);
	}

	/* remember these search fields in session vars so we don't have to keep passing them around */
	load_current_session_value("page", "sess_graph_current_page", "1");
	load_current_session_value("filter", "sess_graph_filter", "");
	load_current_session_value("sort_column", "sess_graph_sort_column", "title_cache");
	load_current_session_value("sort_direction", "sess_graph_sort_direction", "ASC");
	load_current_session_value("host_id", "sess_graph_host_id", "-1");
	load_current_session_value("graph_rows", "sess_graph_rows", read_config_option("num_rows_graph"));
	load_current_session_value("template_id", "sess_graph_template_id", "-1");

	/* if the number of rows is -1, set it to the default */
	if (get_request_var_request("graph_rows") == -1) {
		$_REQUEST["graph_rows"] = read_config_option("num_rows_graph");
	}

	?>
	<script type="text/javascript">
	<!--

	function applyGraphsFilterChange(objForm) {
		strURL = '?host_id=' + objForm.host_id.value;
		strURL = strURL + '&graph_rows=' + objForm.graph_rows.value;
		strURL = strURL + '&filter=' + objForm.filter.value;
		strURL = strURL + '&template_id=' + objForm.template_id.value;
		document.location = strURL;
	}

	-->
	</script>
	<?php

	html_start_box("<strong>Graph Management</strong>", "100%", $colors["header"], "3", "center", "graphs.php?action=graph_edit&host_id=" . get_request_var_request("host_id"));

	?>
	<tr bgcolor="<?php print $colors["panel"];?>">
		<form name="form_graph_id">
		<td>
			<table cellpadding="1" cellspacing="0">
				<tr>
					<td width="50">
						Host:&nbsp;
					</td>
					<td width="1">
						<select name="host_id" onChange="applyGraphsFilterChange(document.form_graph_id)">
							<option value="-1"<?php if (get_request_var_request("host_id") == "-1") {?> selected<?php }?>>Any</option>
							<option value="0"<?php if (get_request_var_request("host_id") == "0") {?> selected<?php }?>>None</option>
							<?php
							if (read_config_option("auth_method") != 0) {
								/* get policy information for the sql where clause */
								$current_user = db_fetch_row("select * from user_auth where id=" . $_SESSION["sess_user_id"]);
								$sql_where = get_graph_permissions_sql($current_user["policy_graphs"], $current_user["policy_hosts"], $current_user["policy_graph_templates"]);

								$hosts = db_fetch_assoc("SELECT DISTINCT host.id, CONCAT_WS('',host.description,' (',host.hostname,')') as name
									FROM (graph_templates_graph,host)
									LEFT JOIN graph_local ON (graph_local.host_id=host.id)
									LEFT JOIN graph_templates ON (graph_templates.id=graph_local.graph_template_id)
									LEFT JOIN user_auth_perms ON ((graph_templates_graph.local_graph_id=user_auth_perms.item_id and user_auth_perms.type=1 and user_auth_perms.user_id=" . $_SESSION["sess_user_id"] . ") OR (host.id=user_auth_perms.item_id and user_auth_perms.type=3 and user_auth_perms.user_id=" . $_SESSION["sess_user_id"] . ") OR (graph_templates.id=user_auth_perms.item_id and user_auth_perms.type=4 and user_auth_perms.user_id=" . $_SESSION["sess_user_id"] . "))
//.........这里部分代码省略.........

function item_edit() {
	global $colors, $struct_graph_item, $graph_item_types, $consolidation_functions;

	/* ================= input validation ================= */
	input_validate_input_number(get_request_var_request("id"));
	input_validate_input_number(get_request_var_request("local_graph_id"));
	input_validate_input_number(get_request_var_request("host_id"));
	/* ==================================================== */

	/* if the user pushed the 'clear' button */
	if (isset($_REQUEST["clear_x"])) {
		kill_session_var("sess_ds_host_id");

		unset($_REQUEST["host_id"]);
	}

	/* remember these search fields in session vars so we don't have to keep passing them around */
	load_current_session_value("filter", "sess_ds_filter", "");
	load_current_session_value("host_id", "sess_ds_host_id", "-1");

	$host = db_fetch_row("select hostname from host where id=" . $_REQUEST["host_id"]);

	html_start_box("<strong>Data Source by Host</strong> [host: " . (empty($host["hostname"]) ? "No Host" : $host["hostname"]) . "]", "98%", $colors["header"], "3", "center", "");

	include("./include/html/inc_graph_items_filter_table.php");

	html_end_box();

	if ($_REQUEST["host_id"] == "-1") {
		$sql_where = "";
	}elseif ($_REQUEST["host_id"] == "0") {
		$sql_where = " and data_local.host_id=0";
	}elseif (!empty($_REQUEST["host_id"])) {
		$sql_where = " and data_local.host_id=" . $_REQUEST["host_id"];
	}

	if (!empty($_REQUEST["id"])) {
		$template_item = db_fetch_row("select * from graph_templates_item where id=" . $_REQUEST["id"]);
		$host_id = db_fetch_cell("select host_id from graph_local where id=" . $_REQUEST["local_graph_id"]);
	}

	$header_label = "[edit graph: " . db_fetch_cell("select title_cache from graph_templates_graph where local_graph_id=" . $_REQUEST["local_graph_id"]) . "]";

	html_start_box("<strong>Graph Items</strong> $header_label", "98%", $colors["header"], "3", "center", "");

	/* by default, select the LAST DS chosen to make everyone's lives easier */
	if (!empty($_REQUEST["local_graph_id"])) {
		$default = db_fetch_row("select task_item_id from graph_templates_item where local_graph_id=" . $_REQUEST["local_graph_id"] . " order by sequence DESC");

		if (sizeof($default) > 0) {
			$struct_graph_item["task_item_id"]["default"] = $default["task_item_id"];
		}else{
			$struct_graph_item["task_item_id"]["default"] = 0;
		}

		/* modifications to the default graph items array */
		$struct_graph_item["task_item_id"]["sql"] = "select
			CONCAT_WS('',data_template_data.name_cache,' (',data_template_rrd.data_source_name,')') as name,
			data_template_rrd.id
			from data_template_data,data_template_rrd,data_local
			left join host on data_local.host_id=host.id
			where data_template_rrd.local_data_id=data_local.id
			and data_template_data.local_data_id=data_local.id
			" . (((!empty($host_id)) || (!empty($_REQUEST["host_id"]))) ? (!empty($host_id) ? " and data_local.host_id=$host_id" : " and data_local.host_id=" . $_REQUEST["host_id"]) : "") . "
			order by name";
	}

	$form_array = array();

	while (list($field_name, $field_array) = each($struct_graph_item)) {
		$form_array += array($field_name => $struct_graph_item[$field_name]);

		$form_array[$field_name]["value"] = (isset($template_item) ? $template_item[$field_name] : "");
		$form_array[$field_name]["form_id"] = (isset($template_item) ? $template_item["id"] : "0");

	}

	draw_edit_form(
		array(
			"config" => array(
				),
			"fields" => $form_array
			)
		);

	form_hidden_box("local_graph_id", $_REQUEST["local_graph_id"], "0");
	form_hidden_box("graph_template_item_id", (isset($template_item) ? $template_item["id"] : "0"), "");
	form_hidden_box("local_graph_template_item_id", (isset($template_item) ? $template_item["local_graph_template_item_id"] : "0"), "");
	form_hidden_box("graph_template_id", (isset($template_item) ? $template_item["graph_template_id"] : "0"), "");
	form_hidden_box("sequence", (isset($template_item) ? $template_item["sequence"] : "0"), "");
	form_hidden_box("_graph_type_id", (isset($template_item) ? $template_item["graph_type_id"] : "0"), "");
	form_hidden_box("save_component_item", "1", "");

	html_end_box();

	form_save_button("graphs.php?action=graph_edit&id=" . $_REQUEST["local_graph_id"]);
}

function host()
{
    global $device_actions, $item_rows;
    /* ================= input validation ================= */
    input_validate_input_number(get_request_var_request('host_template_id'));
    input_validate_input_number(get_request_var_request('page'));
    input_validate_input_number(get_request_var_request('host_status'));
    input_validate_input_number(get_request_var_request('rows'));
    /* ==================================================== */
    /* clean up search string */
    if (isset($_REQUEST['filter'])) {
        $_REQUEST['filter'] = sanitize_search_string(get_request_var_request('filter'));
    }
    /* clean up sort_column */
    if (isset($_REQUEST['sort_column'])) {
        $_REQUEST['sort_column'] = sanitize_search_string(get_request_var_request('sort_column'));
    }
    /* clean up search string */
    if (isset($_REQUEST['sort_direction'])) {
        $_REQUEST['sort_direction'] = sanitize_search_string(get_request_var_request('sort_direction'));
    }
    /* if the user pushed the 'clear' button */
    if (isset($_REQUEST['clear_x'])) {
        kill_session_var('sess_device_current_page');
        kill_session_var('sess_device_filter');
        kill_session_var('sess_device_host_template_id');
        kill_session_var('sess_host_status');
        kill_session_var('sess_default_rows');
        kill_session_var('sess_host_sort_column');
        kill_session_var('sess_host_sort_direction');
        unset($_REQUEST['page']);
        unset($_REQUEST['filter']);
        unset($_REQUEST['host_template_id']);
        unset($_REQUEST['host_status']);
        unset($_REQUEST['rows']);
        unset($_REQUEST['sort_column']);
        unset($_REQUEST['sort_direction']);
    }
    if (!empty($_SESSION['sess_host_status']) && !empty($_REQUEST['host_status'])) {
        if ($_SESSION['sess_host_status'] != $_REQUEST['host_status']) {
            $_REQUEST['page'] = 1;
        }
    }
    /* remember these search fields in session vars so we don't have to keep passing them around */
    load_current_session_value('page', 'sess_device_current_page', '1');
    load_current_session_value('filter', 'sess_device_filter', '');
    load_current_session_value('host_template_id', 'sess_device_host_template_id', '-1');
    load_current_session_value('host_status', 'sess_host_status', '-1');
    load_current_session_value('rows', 'sess_default_rows', read_config_option('num_rows_table'));
    load_current_session_value('sort_column', 'sess_host_sort_column', 'description');
    load_current_session_value('sort_direction', 'sess_host_sort_direction', 'ASC');
    /* if the number of rows is -1, set it to the default */
    if ($_REQUEST['rows'] == -1) {
        $_REQUEST['rows'] = read_config_option('num_rows_table');
    }
    ?>
	<script type="text/javascript">
	<!--

	function applyFilter() {
		strURL = 'host.php?host_status=' + $('#host_status').val();
		strURL = strURL + '&host_template_id=' + $('#host_template_id').val();
		strURL = strURL + '&rows=' + $('#rows').val();
		strURL = strURL + '&filter=' + $('#filter').val();
		strURL = strURL + '&page=' + $('#page').val();
		strURL = strURL + '&header=false';
		$.get(strURL, function(data) {
			$('#main').html(data);
			applySkin();
		});
	}

	function clearFilter() {
		strURL = 'host.php?clear_x=1&header=false';
		$.get(strURL, function(data) {
			$('#main').html(data);
			applySkin();
		});
	}

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

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

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

	-->
	</script>
	<?php 
    html_start_box('<strong>Devices</strong>', '100%', '', '3', 'center', 'host.php?action=edit&host_template_id=' . htmlspecialchars(get_request_var_request('host_template_id')) . '&host_status=' . htmlspecialchars(get_request_var_request('host_status')));
    ?>
//.........这里部分代码省略.........

function snmpagent_utilities_run_eventlog()
{
    global $item_rows;
    define("MAX_DISPLAY_PAGES", 21);
    $severity_levels = array(SNMPAGENT_EVENT_SEVERITY_LOW => 'LOW', SNMPAGENT_EVENT_SEVERITY_MEDIUM => 'MEDIUM', SNMPAGENT_EVENT_SEVERITY_HIGH => 'HIGH', SNMPAGENT_EVENT_SEVERITY_CRITICAL => 'CRITICAL');
    $severity_colors = array(SNMPAGENT_EVENT_SEVERITY_LOW => '#00FF00', SNMPAGENT_EVENT_SEVERITY_MEDIUM => '#FFFF00', SNMPAGENT_EVENT_SEVERITY_HIGH => '#FF0000', SNMPAGENT_EVENT_SEVERITY_CRITICAL => '#FF00FF');
    $receivers = db_fetch_assoc("SELECT DISTINCT manager_id, hostname FROM snmpagent_notifications_log INNER JOIN snmpagent_managers ON snmpagent_managers.id = snmpagent_notifications_log.manager_id");
    /* ================= input validation ================= */
    input_validate_input_number(get_request_var_request("receiver"));
    if (!in_array(get_request_var_request("severity"), array_keys($severity_levels)) && get_request_var_request("severity") != '-1' && get_request_var_request("severity") != "") {
        die_html_input_error();
    }
    input_validate_input_number(get_request_var_request("page"));
    input_validate_input_number(get_request_var_request("rows"));
    /* ==================================================== */
    /* clean up search filter */
    if (isset($_REQUEST["filter"])) {
        $_REQUEST["filter"] = sanitize_search_string(get_request_var("filter"));
    }
    if (isset($_REQUEST["purge_x"])) {
        db_execute("TRUNCATE table snmpagent_notifications_log;");
        /* reset filters */
        $_REQUEST["clear_x"] = true;
    }
    /* if the user pushed the 'clear' button */
    if (isset($_REQUEST["clear_x"])) {
        kill_session_var("sess_snmpagent__logs_receiver");
        kill_session_var("sess_snmpagent__logs_severity");
        kill_session_var("sess_snmpagent__logs_current_page");
        kill_session_var("sess_snmpagent__logs_filter");
        kill_session_var("sess_default_rows");
        unset($_REQUEST["receiver"]);
        unset($_REQUEST["severity"]);
        unset($_REQUEST["page"]);
        unset($_REQUEST["filter"]);
        unset($_REQUEST["rows"]);
    }
    /* reset the current page if the user changed the severity */
    if (isset($_SESSION["sess_snmpagent__logs_severity"]) && get_request_var_request("severity") != $_SESSION["sess_snmpagent__logs_severity"]) {
        kill_session_var("sess_snmpagent__logs_current_page");
        unset($_REQUEST["page"]);
    }
    /* remember these search fields in session vars so we don't have to keep passing them around */
    load_current_session_value("receiver", "sess_snmpagent__logs_receiver", "-1");
    load_current_session_value("page", "sess_snmpagent__logs_current_page", "1");
    load_current_session_value("severity", "sess_snmpagent__logs_severity", "-1");
    load_current_session_value("filter", "sess_snmpagent__logs_filter", "");
    load_current_session_value('rows', 'sess_default_rows', read_config_option('num_rows_table'));
    /* if the number of rows is -1, set it to the default */
    if ($_REQUEST["rows"] == -1) {
        $_REQUEST["rows"] = read_config_option("num_rows_table");
    }
    $_REQUEST['page_referrer'] = 'view_snmpagent_events';
    load_current_session_value('page_referrer', 'page_referrer', 'view_snmpagent_events');
    ?>
	<script type="text/javascript">
	<!--

	function applyFilter() {
		strURL = 'utilities.php?action=view_snmpagent_events';
		strURL = strURL + '&severity=' + $('#severity').val();
		strURL = strURL + '&receiver=' + $('#receiver').val();
		strURL = strURL + '&rows=' + $('#rows').val();
		strURL = strURL + '&filter=' + $('#filter').val();
		strURL = strURL + '&page=' + $('#page').val();
		strURL = strURL + '&header=false';
		$.get(strURL, function(data) {
			$('#main').html(data);
			applySkin();
		});
	}

	function clearFilter() {
		strURL = 'utilities.php?action=view_snmpagent_events&clear_x=1&header=false';
		$.get(strURL, function(data) {
			$('#main').html(data);
			applySkin();
		});
	}

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

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

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

	-->
	</script>

	<?php 
    html_start_box("<strong>SNMPAgent Notification Log</strong>", "100%", "", "3", "center", "");
//.........这里部分代码省略.........

function syslog_alerts()
{
    global $colors, $syslog_actions, $config, $message_types, $severities;
    include dirname(__FILE__) . "/config.php";
    /* ================= input validation ================= */
    input_validate_input_number(get_request_var_request("id"));
    input_validate_input_number(get_request_var_request("page"));
    input_validate_input_number(get_request_var_request("enabled"));
    input_validate_input_number(get_request_var_request("rows"));
    /* ==================================================== */
    /* clean up filter */
    if (isset($_REQUEST["filter"])) {
        $_REQUEST["filter"] = sanitize_search_string(get_request_var("filter"));
    }
    /* clean up sort_column */
    if (isset($_REQUEST["sort_column"])) {
        $_REQUEST["sort_column"] = sanitize_search_string(get_request_var("sort_column"));
    }
    /* clean up sort direction */
    if (isset($_REQUEST["sort_direction"])) {
        $_REQUEST["sort_direction"] = sanitize_search_string(get_request_var("sort_direction"));
    }
    /* if the user pushed the 'clear' button */
    if (isset($_REQUEST["clear"])) {
        kill_session_var("sess_syslog_alerts_page");
        kill_session_var("sess_syslog_alerts_rows");
        kill_session_var("sess_syslog_alerts_filter");
        kill_session_var("sess_syslog_alerts_enabled");
        kill_session_var("sess_syslog_alerts_sort_column");
        kill_session_var("sess_syslog_alerts_sort_direction");
        $_REQUEST["page"] = 1;
        unset($_REQUEST["filter"]);
        unset($_REQUEST["enabled"]);
        unset($_REQUEST["rows"]);
        unset($_REQUEST["sort_column"]);
        unset($_REQUEST["sort_direction"]);
    } else {
        /* if any of the settings changed, reset the page number */
        $changed = 0;
        $changed += syslog_check_changed("filter", "sess_syslog_alerts_filter");
        $changed += syslog_check_changed("enabled", "sess_syslog_alerts_enabled");
        $changed += syslog_check_changed("rows", "sess_syslog_alerts_rows");
        $changed += syslog_check_changed("sort_column", "sess_syslog_alerts_sort_column");
        $changed += syslog_check_changed("sort_direction", "sess_syslog_alerts_sort_direction");
        if ($changed) {
            $_REQUEST["page"] = "1";
        }
    }
    /* remember these search fields in session vars so we don't have to keep passing them around */
    load_current_session_value("page", "sess_syslog_alerts_paage", "1");
    load_current_session_value("rows", "sess_syslog_alerts_rows", "-1");
    load_current_session_value("enabled", "sess_syslog_alerts_enabled", "-1");
    load_current_session_value("filter", "sess_syslog_alerts_filter", "");
    load_current_session_value("sort_column", "sess_syslog_alerts_sort_column", "name");
    load_current_session_value("sort_direction", "sess_syslog_alerts_sort_direction", "ASC");
    html_start_box("<strong>Syslog Alert Filters</strong>", "100%", $colors["header"], "3", "center", "syslog_alerts.php?action=edit");
    syslog_filter();
    html_end_box();
    html_start_box("", "100%", $colors["header"], "3", "center", "");
    $sql_where = "";
    if ($_REQUEST["rows"] == "-1") {
        $row_limit = read_config_option("num_rows_syslog");
    } elseif ($_REQUEST["rows"] == -2) {
        $row_limit = 999999;
    } else {
        $row_limit = $_REQUEST["rows"];
    }
    $alerts = syslog_get_alert_records($sql_where, $row_limit);
    $rows_query_string = "SELECT COUNT(*)\n\t\tFROM `" . $syslogdb_default . "`.`syslog_alert`\n\t\t{$sql_where}";
    $total_rows = syslog_db_fetch_cell($rows_query_string);
    ?>
	<script type="text/javascript">
	<!--
	function applyChange(objForm) {
		strURL = '?enabled=' + objForm.enabled.value;
		strURL = strURL + '&filter=' + objForm.filter.value;
		strURL = strURL + '&rows=' + objForm.rows.value;
		document.location = strURL;
	}
	-->
	</script>
	<?php 
    /* generate page list */
    $url_page_select = get_page_list($_REQUEST["page"], MAX_DISPLAY_PAGES, $row_limit, $total_rows, "syslog_alerts.php?filter=" . $_REQUEST["filter"]);
    if ($total_rows > 0) {
        $nav = "<tr bgcolor='#" . $colors["header"] . "'>\n\t\t\t\t\t<td colspan='13'>\n\t\t\t\t\t\t<table width='100%' cellspacing='0' cellpadding='0' border='0'>\n\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t<td align='left' class='textHeaderDark'>\n\t\t\t\t\t\t\t\t\t<strong>&lt;&lt; ";
        if ($_REQUEST["page"] > 1) {
            $nav .= "<a class='linkOverDark' href='syslog_alerts.php?report=arp&page=" . ($_REQUEST["page"] - 1) . "'>";
        }
        $nav .= "Previous";
        if ($_REQUEST["page"] > 1) {
            $nav .= "</a>";
        }
        $nav .= "</strong>\n\t\t\t\t\t\t\t\t</td>\n\n\t\t\t\t\t\t\t\t<td align='center' class='textHeaderDark'>\n\t\t\t\t\t\t\t\t\tShowing Rows " . ($total_rows == 0 ? "None" : $row_limit * ($_REQUEST["page"] - 1) + 1 . " to " . ($total_rows < $row_limit || $total_rows < $row_limit * $_REQUEST["page"] ? $total_rows : $row_limit * $_REQUEST["page"]) . " of {$total_rows} [{$url_page_select}]") . "\n\t\t\t\t\t\t\t\t</td>\n\n\t\t\t\t\t\t\t\t<td align='right' class='textHeaderDark'>\n\t\t\t\t\t\t\t\t\t<strong>";
        if ($_REQUEST["page"] * $row_limit < $total_rows) {
            $nav .= "<a class='linkOverDark' href='syslog_alerts.php?report=arp&page=" . ($_REQUEST["page"] + 1) . "'>";
        }
        $nav .= "Next";
        if ($_REQUEST["page"] * $row_limit < $total_rows) {
            $nav .= "</a>";
//.........这里部分代码省略.........

 | 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/                                                   |
 +-------------------------------------------------------------------------+
*/

$using_guest_account = false;
$show_console_tab = true;

/* ================= input validation ================= */
input_validate_input_number(get_request_var_request("local_graph_id"));
/* ==================================================== */

if (read_config_option("auth_method") != 0) {
	/* at this point this user is good to go... so get some setting about this
	user and put them into variables to save excess SQL in the future */
	$current_user = db_fetch_row("select * from user_auth where id=" . $_SESSION["sess_user_id"]);

	/* find out if we are logged in as a 'guest user' or not */
	if (db_fetch_cell("select id from user_auth where username='" . read_config_option("guest_user") . "'") == $_SESSION["sess_user_id"]) {
		$using_guest_account = true;
	}

	/* find out if we should show the "console" tab or not, based on this user's permissions */
	if (sizeof(db_fetch_assoc("select realm_id from user_auth_realm where realm_id=8 and user_id=" . $_SESSION["sess_user_id"])) == 0) {
		$show_console_tab = false;

function boost_utilities_action($action)
{
    global $config, $colors;
    if ($action == 'view_boost_status') {
        /* ================= input validation ================= */
        input_validate_input_number(get_request_var_request("refresh"));
        /* ==================================================== */
        load_current_session_value("refresh", "sess_boost_utilities_refresh", "30");
        $refresh["seconds"] = $_REQUEST["refresh"];
        $refresh["page"] = "utilities.php?action=view_boost_status";
        include_once $config['base_path'] . "/include/top_header.php";
        boost_display_run_status();
        include_once $config['base_path'] . "/include/bottom_footer.php";
        exit;
    }
    return $action;
}

function ds()
{
    global $ds_actions, $item_rows;
    /* ================= input validation ================= */
    input_validate_input_number(get_request_var_request("ds_rows"));
    input_validate_input_number(get_request_var_request("host_id"));
    input_validate_input_number(get_request_var_request("template_id"));
    input_validate_input_number(get_request_var_request("method_id"));
    input_validate_input_number(get_request_var_request("page"));
    /* ==================================================== */
    /* clean up search string */
    if (isset($_REQUEST["filter"])) {
        $_REQUEST["filter"] = sanitize_search_string(get_request_var("filter"));
    }
    /* clean up sort_column string */
    if (isset($_REQUEST["sort_column"])) {
        $_REQUEST["sort_column"] = sanitize_search_string(get_request_var("sort_column"));
    }
    /* clean up sort_direction string */
    if (isset($_REQUEST["sort_direction"])) {
        $_REQUEST["sort_direction"] = sanitize_search_string(get_request_var("sort_direction"));
    }
    /* if the user pushed the 'clear' button */
    if (isset($_REQUEST["clear_x"])) {
        kill_session_var("sess_ds_current_page");
        kill_session_var("sess_ds_filter");
        kill_session_var("sess_ds_sort_column");
        kill_session_var("sess_ds_sort_direction");
        kill_session_var("sess_ds_rows");
        kill_session_var("sess_ds_host_id");
        kill_session_var("sess_ds_template_id");
        kill_session_var("sess_ds_method_id");
        unset($_REQUEST["page"]);
        unset($_REQUEST["filter"]);
        unset($_REQUEST["sort_column"]);
        unset($_REQUEST["sort_direction"]);
        unset($_REQUEST["ds_rows"]);
        unset($_REQUEST["host_id"]);
        unset($_REQUEST["template_id"]);
        unset($_REQUEST["method_id"]);
    }
    /* remember these search fields in session vars so we don't have to keep passing them around */
    load_current_session_value("page", "sess_ds_current_page", "1");
    load_current_session_value("filter", "sess_ds_filter", "");
    load_current_session_value("sort_column", "sess_ds_sort_column", "name_cache");
    load_current_session_value("sort_direction", "sess_ds_sort_direction", "ASC");
    load_current_session_value("ds_rows", "sess_ds_rows", read_config_option("num_rows_data_source"));
    load_current_session_value("host_id", "sess_ds_host_id", "-1");
    load_current_session_value("template_id", "sess_ds_template_id", "-1");
    load_current_session_value("method_id", "sess_ds_method_id", "-1");
    $host = db_fetch_row("select hostname from host where id=" . get_request_var_request("host_id"));
    /* if the number of rows is -1, set it to the default */
    if (get_request_var_request("ds_rows") == -1) {
        $_REQUEST["ds_rows"] = read_config_option("num_rows_data_source");
    }
    ?>
	<script type="text/javascript">
	<!--

	function applyDSFilterChange(objForm) {
		strURL = '?host_id=' + objForm.host_id.value;
		strURL = strURL + '&filter=' + objForm.filter.value;
		strURL = strURL + '&ds_rows=' + objForm.ds_rows.value;
		strURL = strURL + '&template_id=' + objForm.template_id.value;
		strURL = strURL + '&method_id=' + objForm.method_id.value;
		document.location = strURL;
	}

	-->
	</script>
	<?php 
    html_start_box("<strong>Data Sources</strong> [host: " . (empty($host["hostname"]) ? "No Host" : htmlspecialchars($host["hostname"])) . "]", "100%", "", "3", "center", "data_sources.php?action=ds_edit&host_id=" . get_request_var_request("host_id"));
    ?>
	<tr class='even noprint'>
		<td>
		<form name="form_data_sources" action="data_sources.php">
			<table cellpadding="1" cellspacing="0">
				<tr>
					<td width="50">
						Host:&nbsp;
					</td>
					<td>
						<select name="host_id" onChange="applyDSFilterChange(document.form_data_sources)">
							<option value="-1"<?php 
    if (get_request_var_request("host_id") == "-1") {
        ?>
 selected<?php 
    }
    ?>
>Any</option>
							<option value="0"<?php 
    if (get_request_var_request("host_id") == "0") {
        ?>
 selected<?php 
    }
    ?>
>None</option>
							<?php 
    $hosts = db_fetch_assoc("select id,CONCAT_WS('',description,' (',hostname,')') as name from host order by description,hostname");
    if (sizeof($hosts) > 0) {
//.........这里部分代码省略.........

function format_plugin_row($plugin, $last_plugin, $include_ordering, $system_plugin)
{
    global $status_names;
    static $first_plugin = true;
    $row = plugin_actions($plugin);
    $row .= "<td><a href='" . htmlspecialchars($plugin["webpage"]) . "' target='_blank'><strong>" . (strlen(get_request_var_request("filter")) ? eregi_replace("(" . preg_quote(get_request_var_request("filter")) . ")", "<span style='background-color: #F8D93D;'>\\1</span>", ucfirst($plugin["directory"])) : ucfirst($plugin["directory"])) . "</strong></a></td>";
    $row .= "<td>" . $plugin["version"] . "</td>\n";
    if ($include_ordering) {
        $row .= "<td style='white-space:nowrap;'>";
        if (!$first_plugin) {
            $row .= "<a href='" . htmlspecialchars("plugins.php?mode=moveup&id=" . $plugin['directory']) . "' title='Order Before Prevous Plugin' class='linkEditMain'><img style='padding:1px;' border='0' align='absmiddle' src='images/move_up.gif'></a>";
        } else {
            $row .= "<a href='#' title='Can NOT Reduce Load Order' class='linkEditMain'><img style='padding:1px;' border='0' align='absmiddle' src='images/view_none.gif'></a>";
        }
        if (!$last_plugin) {
            $row .= "<a href='" . htmlspecialchars("plugins.php?mode=movedown&id=" . $plugin['directory']) . "' title='Order After Next Plugin' class='linkEditMain'><img style='padding:1px;' border='0' align='absmiddle' src='images/move_down.gif'></a>";
        } else {
            $row .= "<a href='#' title='Can Increase Load Order' class='linkEditMain'><img style='padding:1px;' border='0' align='absmiddle' src='images/view_none.gif'></a>";
        }
        $row .= "</td>\n";
    } else {
        $row .= "<td></td>\n";
    }
    $row .= "<td style='white-space:nowrap;'>" . (strlen(get_request_var_request("filter")) ? eregi_replace("(" . preg_quote(get_request_var_request("filter")) . ")", "<span style='background-color: #F8D93D;'>\\1</span>", $plugin["name"]) : $plugin["name"]) . "</td>\n";
    $row .= "<td style='white-space:nowrap;'>" . ($system_plugin ? "System" : ($plugin['status'] < 0 ? "Old PIA" : "General")) . "</td>\n";
    $row .= "<td style='white-space:nowrap;'>" . $status_names[$plugin["status"]] . "</td>\n";
    $row .= "<td style='white-space:nowrap;'>" . $plugin["author"] . "</td>\n";
    $row .= "</tr>\n";
    if ($include_ordering) {
        $first_plugin = false;
    }
    return $row;
}

function list_rrd()
{
    global $config, $item_rows, $ds_actions, $rra_path, $hash_version_codes;
    /* suppress warnings */
    error_reporting(0);
    /* install the rrdclean error handler */
    set_error_handler('rrdclean_error_handler');
    /* ================= input validation ================= */
    input_validate_input_number(get_request_var_request('page'));
    input_validate_input_number(get_request_var_request('age'));
    input_validate_input_number(get_request_var_request('rows'));
    /* ==================================================== */
    /* clean up search string */
    if (isset($_REQUEST['filter'])) {
        $_REQUEST['filter'] = sanitize_search_string(get_request_var('filter'));
    }
    /* clean up sort_column string */
    if (isset($_REQUEST['sort_column'])) {
        $_REQUEST['sort_column'] = sanitize_search_string(get_request_var('sort_column'));
    }
    /* clean up sort_direction string */
    if (isset($_REQUEST['sort_direction'])) {
        $_REQUEST['sort_direction'] = sanitize_search_string(get_request_var('sort_direction'));
    }
    /* if the user pushed the 'clear' button */
    if (isset($_REQUEST['clear_x'])) {
        kill_session_var('sess_rrdclean_current_page');
        kill_session_var('sess_rrdclean_age');
        kill_session_var('sess_default_rows');
        kill_session_var('sess_rrdclean_filter');
        kill_session_var('sess_rrdclean_sort_column');
        kill_session_var('sess_rrdclean_sort_direction');
        unset($_REQUEST['page']);
        unset($_REQUEST['age']);
        unset($_REQUEST['rows']);
        unset($_REQUEST['filter']);
        unset($_REQUEST['sort_column']);
        unset($_REQUEST['sort_direction']);
    }
    /* remember these search fields in session vars so we don't have to keep passing them around */
    load_current_session_value('page', 'sess_rrdclean_current_page', '1');
    load_current_session_value('age', 'sess_rrdclean_current_age', '1');
    load_current_session_value('rows', 'sess_rrdclean_rows', read_config_option('num_rows_table'));
    load_current_session_value('filter', 'sess_rrdclean_filter', '');
    load_current_session_value('sort_column', 'sess_rrdclean_sort_column', 'name');
    load_current_session_value('sort_direction', 'sess_rrdclean_sort_direction', 'ASC');
    $width = '100%';
    if (isset($hash_version_codes[$config['cacti_version']])) {
        if ($hash_version_codes[$config['cacti_version']] > 13) {
            $width = '100%';
        }
    }
    html_start_box('<strong>RRD Cleaner</strong>', $width, '', '3', 'center', '');
    filter();
    html_end_box();
    $sql_where = 'WHERE in_cacti=0';
    /* form the 'where' clause for our main sql query */
    if ($_REQUEST['filter'] != '') {
        $sql_where .= " AND (rc.name LIKE '%" . $_REQUEST['filter'] . "%' OR rc.name_cache LIKE '%" . $_REQUEST['filter'] . "%' OR dt.name LIKE '%" . $_REQUEST['filter'] . "%')";
    }
    $secsback = $_REQUEST['age'];
    if ($REQUEST['age'] != 0) {
        $sql_where .= " AND last_mod>='" . date("Y-m-d H:i:s", time() - 86400 * 7) . "'";
    } else {
        $sql_where .= " AND last_mod<='" . date("Y-m-d H:i:s", time() - $secsback) . "'";
    }
    print "<form action='rrdcleaner.php' method='post'>\n";
    html_start_box('', $width, '', '3', 'center', '');
    $total_rows = db_fetch_cell("SELECT COUNT(rc.name) \n\t\tFROM data_source_purge_temp AS rc\n\t\tLEFT JOIN data_template AS dt\n\t\tON dt.id = rc.data_template_id\n\t\t{$sql_where}");
    $total_size = db_fetch_cell("SELECT ROUND(SUM(size),2) \n\t\tFROM data_source_purge_temp AS rc\n\t\tLEFT JOIN data_template AS dt\n\t\tON dt.id = rc.data_template_id\n\t\t{$sql_where}");
    $file_list = db_fetch_assoc("SELECT rc.id, rc.name, rc.last_mod, rc.size, \n\t\trc.name_cache, rc.local_data_id, rc.data_template_id, dt.name AS data_template_name\n\t\tFROM data_source_purge_temp AS rc\n\t\tLEFT JOIN data_template AS dt\n\t\tON dt.id = rc.data_template_id\n\t\t{$sql_where} \n\t\tORDER BY " . $_REQUEST['sort_column'] . ' ' . $_REQUEST['sort_direction'] . '
		LIMIT ' . $_REQUEST['rows'] * ($_REQUEST['page'] - 1) . ',' . $_REQUEST['rows']);
    $nav = html_nav_bar($config['url_path'] . 'rrdcleaner.php?filter' . get_request_var_request('filter'), MAX_DISPLAY_PAGES, get_request_var_request('page'), get_request_var_request('rows'), $total_rows, 8, 'RRD Files', 'page', 'main');
    print $nav;
    $display_text = array('name' => array('RRD File Name', 'ASC'), 'name_cache' => array('DS Name', 'ASC'), 'local_data_id' => array('DS ID', 'ASC'), 'data_template_id' => array('Template ID', 'ASC'), 'data_template_name' => array('Template', 'ASC'), 'last_mod' => array('Last Modified', 'DESC'), 'size' => array('Size [KB]', 'DESC'));
    html_header_sort_checkbox($display_text, $_REQUEST['sort_column'], $_REQUEST['sort_direction'], false);
    if (sizeof($file_list)) {
        foreach ($file_list as $file) {
            $data_template_name = empty($file['data_template_name']) ? '<em>None</em>' : $file['data_template_name'];
            form_alternate_row('line' . $file['id'], true);
            form_selectable_cell(($_REQUEST['filter'] != '' ? eregi_replace('(' . preg_quote($_REQUEST['filter']) . ')', "<span class='filteredValue'>\\1</span>", $file['name']) : $file['name']) . '</a>', $file['id']);
            form_selectable_cell($file['local_data_id'] != 0 ? "<a class='linkEditMain' href='../../data_sources.php?action=ds_edit&id=" . $file['local_data_id'] . "'>" . ($_REQUEST['filter'] != '' ? eregi_replace('(' . preg_quote($_REQUEST['filter']) . ')', "<span class='filteredValue'>\\1</span>", title_trim(htmlentities($file['name_cache']), read_config_option('max_title_length'))) : title_trim(htmlentities($file['name_cache']), read_config_option('max_title_length'))) . '</a>' : '<i>Deleted</i>', $file['id']);
            form_selectable_cell($file['local_data_id'] > 0 ? $file['local_data_id'] : '<i>Deleted</i>', $file['id']);
            form_selectable_cell($file['data_template_id'] > 0 ? $file['data_template_id'] : '<i>Deleted</i>', $file['id']);
            form_selectable_cell($file['data_template_id'] > 0 ? $_REQUEST['filter'] != '' ? eregi_replace('(' . preg_quote($_REQUEST['filter']) . ')', "<span class='filteredValue'>\\1</span>", $file['data_template_name']) . '</a>' : $file['data_template_name'] : '<i>Deleted</i>', $file['id']);
            form_selectable_cell($file['last_mod'], $file['id']);
            form_selectable_cell($file['size'], $file['id']);
            form_checkbox_cell($file['id'], $file['id']);
            form_end_row();
            $i++;
        }
        /* put the nav bar on the bottom as well */
        print $nav;
    } else {
        print "<tr><td><em>No unused RRD Files</em></td></tr>\n";
    }
    html_end_box(false);
    rrdcleaner_legend($total_size);
    draw_actions_dropdown($ds_actions);
    print "</form>\n";
//.........这里部分代码省略.........

function data()
{
    global $input_types, $di_actions, $item_rows;
    /* ================= input validation ================= */
    input_validate_input_number(get_request_var_request('page'));
    input_validate_input_number(get_request_var_request('rows'));
    /* ==================================================== */
    /* clean up search string */
    if (isset($_REQUEST['filter'])) {
        $_REQUEST['filter'] = sanitize_search_string(get_request_var_request('filter'));
    }
    /* clean up sort_column */
    if (isset($_REQUEST['sort_column'])) {
        $_REQUEST['sort_column'] = sanitize_search_string(get_request_var_request('sort_column'));
    }
    /* clean up search string */
    if (isset($_REQUEST['sort_direction'])) {
        $_REQUEST['sort_direction'] = sanitize_search_string(get_request_var_request('sort_direction'));
    }
    /* if the user pushed the 'clear' button */
    if (isset($_REQUEST['clear_x'])) {
        kill_session_var('sess_data_input_filter');
        kill_session_var('sess_default_rows');
        kill_session_var('sess_data_input_sort_column');
        kill_session_var('sess_data_input_sort_direction');
        unset($_REQUEST['page']);
        unset($_REQUEST['filter']);
        unset($_REQUEST['rows']);
        unset($_REQUEST['sort_column']);
        unset($_REQUEST['sort_direction']);
        $_REQUEST['page'] = 1;
    }
    /* remember these search fields in session vars so we don't have to keep passing them around */
    load_current_session_value('filter', 'sess_data_input_filter', '');
    load_current_session_value('sort_column', 'sess_data_input_sort_column', 'name');
    load_current_session_value('sort_direction', 'sess_data_input_sort_direction', 'ASC');
    load_current_session_value('page', 'sess_data_input_current_page', '1');
    load_current_session_value('rows', 'sess_default_rows', read_config_option('num_rows_table'));
    html_start_box('<strong>Data Input Methods</strong>', '100%', '', '3', 'center', 'data_input.php?action=edit');
    ?>
	<tr class='even noprint'>
		<td class="noprint">
		<form id="form_data_input" method="get" action="data_input.php">
			<table cellpadding="2" cellspacing="0">
				<tr class="noprint">
					<td width="50">
						Search
					</td>
					<td>
						<input id='filter' type="text" name="filter" size="25" value="<?php 
    print htmlspecialchars(get_request_var_request('filter'));
    ?>
">
					</td>
					<td style='white-space:nowrap;'>
						Input Methods
					</td>
					<td>
						<select id='rows' name="rows" onChange="applyFilter()">
							<?php 
    if (sizeof($item_rows) > 0) {
        foreach ($item_rows as $key => $value) {
            print "<option value='" . $key . "'";
            if (get_request_var_request('rows') == $key) {
                print ' selected';
            }
            print '>' . htmlspecialchars($value) . "</option>\n";
        }
    }
    ?>
						</select>
					</td>
					<td>
						<input type="submit" id='refresh' value="Go" title="Set/Refresh Filters">
					</td>
					<td>
						<input type="button" id='clear' name="clear_x" value="Clear" title="Clear Filters">
					</td>
				</tr>
			</table>
			<input type='hidden' id='page' name='page' value='<?php 
    print $_REQUEST['page'];
    ?>
'>
		</form>
		<script type='text/javascript'>
		function applyFilter() {
			strURL = 'data_input.php?filter='+$('#filter').val()+'&rows='+$('#rows').val()+'&page='+$('#page').val()+'&header=false';
			$.get(strURL, function(data) {
				$('#main').html(data);
				applySkin();
			});
		}

		function clearFilter() {
			strURL = 'data_input.php?clear_x=1&header=false';
			$.get(strURL, function(data) {
				$('#main').html(data);
				applySkin();
			});
//.........这里部分代码省略.........

function template_request_validation()
{
    /* ================= input validation ================= */
    input_validate_input_number(get_request_var_request("page"));
    input_validate_input_number(get_request_var_request("rows"));
    /* ==================================================== */
    /* clean up search string */
    if (isset($_REQUEST["filter"])) {
        $_REQUEST["filter"] = sanitize_search_string(get_request_var("filter"));
    }
    /* clean up sort_column */
    if (isset($_REQUEST["sort_column"])) {
        $_REQUEST["sort_column"] = sanitize_search_string(get_request_var("sort_column"));
    }
    /* clean up search string */
    if (isset($_REQUEST["sort_direction"])) {
        $_REQUEST["sort_direction"] = sanitize_search_string(get_request_var("sort_direction"));
    }
    /* if the user pushed the 'clear' button */
    if (isset($_REQUEST["clear"])) {
        kill_session_var("sess_tt_current_page");
        kill_session_var("sess_tt_filter");
        kill_session_var("sess_tt_rows");
        kill_session_var("sess_tt_sort_column");
        kill_session_var("sess_tt_sort_direction");
        unset($_REQUEST["page"]);
        unset($_REQUEST["filter"]);
        unset($_REQUEST["rows"]);
        unset($_REQUEST["sort_column"]);
        unset($_REQUEST["sort_direction"]);
    } else {
        /* if any of the settings changed, reset the page number */
        $changed = 0;
        $changed += thold_request_check_changed('filter', 'sess_tt_filter');
        $changed += thold_request_check_changed('rows', 'sess_tt_rows');
        $changed += thold_request_check_changed('sort_column', 'sess_tt_sort_column');
        $changed += thold_request_check_changed('sort_direction', 'sess_tt_sort_direction');
        if ($changed) {
            $_REQUEST['page'] = '1';
        }
    }
    /* remember these search fields in session vars so we don't have to keep passing them around */
    load_current_session_value("page", "sess_tt_current_page", "1");
    load_current_session_value("filter", "sess_tt_filter", "");
    load_current_session_value("rows", "sess_tt_rows", read_config_option("alert_num_rows"));
    load_current_session_value("sort_column", "sess_tt_sort_column", "name");
    load_current_session_value("sort_direction", "sess_tt_sort_direction", "ASC");
    /* if the number of rows is -1, set it to the default */
    if ($_REQUEST["rows"] == -1) {
        $_REQUEST["rows"] = read_config_option("alert_num_rows");
        if ($_REQUEST["rows"] < 2) {
            $_REQUEST["rows"] = 30;
        }
    }
}