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>";
        }
        $nav .= " &gt;&gt;</strong>\n\t\t\t\t\t\t\t\t</td>\n\n\t\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t</table>\n\t\t\t\t\t</td>\n\t\t\t\t</tr>\n";
    } else {
        $nav = "<tr bgcolor='#" . $colors["header"] . "' class='noprint'>\n\t\t\t\t\t<td colspan='22'>\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='center' class='textHeaderDark'>\n\t\t\t\t\t\t\t\t\tNo Rows Found\n\t\t\t\t\t\t\t\t</td>\n\n\t\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t</table>\n\t\t\t\t\t</td>\n\t\t\t\t</tr>\n";
    }
    print $nav;
    $display_text = array("name" => array("Alert<br>Name", "ASC"), "severity" => array("<br>Severity", "ASC"), "method" => array("<br>Method", "ASC"), "num" => array("Threshold<br>Count", "ASC"), "enabled" => array("<br>Enabled", "ASC"), "type" => array("Match<br>Type", "ASC"), "message" => array("Search<br>String", "ASC"), "email" => array("E-Mail<br>Addresses", "DESC"), "date" => array("Last<br>Modified", "ASC"), "user" => array("By<br>User", "DESC"));
    html_header_sort_checkbox($display_text, $_REQUEST["sort_column"], $_REQUEST["sort_direction"]);
    $i = 0;
    if (sizeof($alerts) > 0) {
        foreach ($alerts as $alert) {
            form_alternate_row_color($colors["alternate"], $colors["light"], $i, 'line' . $alert["id"]);
            $i++;
            form_selectable_cell("<a class='linkEditMain' href='" . $config['url_path'] . "plugins/syslog/syslog_alerts.php?action=edit&id=" . $alert["id"] . "'>" . ($_REQUEST["filter"] != "" ? eregi_replace("(" . preg_quote($_REQUEST["filter"]) . ")", "<span style='background-color: #F8D93D;'>\\1</span>", $alert["name"]) : $alert["name"]) . "</a>", $alert["id"]);
            form_selectable_cell($severities[$alert["severity"]], $alert["id"]);
            form_selectable_cell($alert["method"] == 1 ? "Threshold" : "Individual", $alert["id"]);
            form_selectable_cell($alert["method"] == 1 ? $alert["num"] : "N/A", $alert["id"]);
            form_selectable_cell($alert["enabled"] == "on" ? "Yes" : "No", $alert["id"]);
            form_selectable_cell($message_types[$alert["type"]], $alert["id"]);
            form_selectable_cell(title_trim($alert["message"], 60), $alert["id"]);
            form_selectable_cell(substr_count($alert["email"], ",") ? "Multiple" : $alert["email"], $alert["id"]);
            form_selectable_cell(date("Y-m-d H:i:s", $alert["date"]), $alert["id"]);
            form_selectable_cell($alert["user"], $alert["id"]);
            form_checkbox_cell($alert["name"], $alert["id"]);
            form_end_row();
        }
    } else {
        print "<tr><td colspan='4'><em>No Syslog Alerts Defined</em></td></tr>";
    }
    html_end_box(false);
    /* draw the dropdown containing a list of available actions for this form */
    draw_actions_dropdown($syslog_actions);
}
function syslog_alerts()
{
    global $syslog_actions, $config, $message_types, $severities;
    include dirname(__FILE__) . '/config.php';
    /* ================= input validation and session storage ================= */
    $filters = array('rows' => array('filter' => FILTER_VALIDATE_INT, 'pageset' => true, 'default' => '-1'), 'page' => array('filter' => FILTER_VALIDATE_INT, 'default' => '1'), 'id' => array('filter' => FILTER_VALIDATE_INT, 'default' => '1'), 'enabled' => array('filter' => FILTER_VALIDATE_INT, 'pageset' => true, 'default' => '-1'), 'filter' => array('filter' => FILTER_CALLBACK, 'pageset' => true, 'default' => '', 'options' => array('options' => 'sanitize_search_string')), 'sort_column' => array('filter' => FILTER_CALLBACK, 'default' => 'name', 'options' => array('options' => 'sanitize_search_string')), 'sort_direction' => array('filter' => FILTER_CALLBACK, 'default' => 'ASC', 'options' => array('options' => 'sanitize_search_string')));
    validate_store_request_vars($filters, 'sess_sysloga');
    /* ================= input validation ================= */
    html_start_box(__('Syslog Alert Filters'), '100%', '', '3', 'center', 'syslog_alerts.php?action=edit');
    syslog_filter();
    html_end_box();
    $sql_where = '';
    if (get_request_var('rows') == '-1') {
        $row_limit = read_config_option('num_rows_table');
    } elseif (get_request_var('rows') == -2) {
        $row_limit = 999999;
    } else {
        $row_limit = get_request_var('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);
    $nav = html_nav_bar('syslog_alerts.php?filter=' . get_request_var('filter'), MAX_DISPLAY_PAGES, get_request_var('page'), $row_limit, $total_rows, 13, __('Alerts'), 'page', 'main');
    form_start('syslog_alerts.php', 'chk');
    print $nav;
    html_start_box('', '100%', '', '3', 'center', '');
    $display_text = array('name' => array(__('Alert Name'), 'ASC'), 'severity' => array(__('Severity'), 'ASC'), 'method' => array(__('Method'), 'ASC'), 'num' => array(__('Threshold Count'), 'ASC'), 'enabled' => array(__('Enabled'), 'ASC'), 'type' => array(__('Match Type'), 'ASC'), 'message' => array(__('Search String'), 'ASC'), 'email' => array(__('E-Mail Addresses'), 'DESC'), 'date' => array(__('Last Modified'), 'ASC'), 'user' => array(__('By User'), 'DESC'));
    html_header_sort_checkbox($display_text, get_request_var('sort_column'), get_request_var('sort_direction'));
    if (sizeof($alerts)) {
        foreach ($alerts as $alert) {
            form_alternate_row('line' . $alert['id'], true);
            form_selectable_cell("<a class='linkEditMain' href='" . $config['url_path'] . 'plugins/syslog/syslog_alerts.php?action=edit&id=' . $alert['id'] . "'>" . (get_request_var('filter') != '' ? preg_replace('/(' . preg_quote(get_request_var('filter')) . ')/i', "<span class='filteredValue'>\\1</span>", $alert['name']) : $alert['name']) . '</a>', $alert['id']);
            form_selectable_cell($severities[$alert['severity']], $alert['id']);
            form_selectable_cell($alert['method'] == 1 ? __('Threshold') : __('Individual'), $alert['id']);
            form_selectable_cell($alert['method'] == 1 ? $alert['num'] : __('N/A'), $alert['id']);
            form_selectable_cell($alert['enabled'] == 'on' ? __('Yes') : __('No'), $alert['id']);
            form_selectable_cell($message_types[$alert['type']], $alert['id']);
            form_selectable_cell(title_trim($alert['message'], 60), $alert['id']);
            form_selectable_cell(substr_count($alert['email'], ',') ? __('Multiple') : $alert['email'], $alert['id']);
            form_selectable_cell(date('Y-m-d H:i:s', $alert['date']), $alert['id']);
            form_selectable_cell($alert['user'], $alert['id']);
            form_checkbox_cell($alert['name'], $alert['id']);
            form_end_row();
        }
    } else {
        print "<tr><td colspan='4'><em>" . __('No Syslog Alerts Defined') . "</em></td></tr>";
    }
    html_end_box(false);
    if (sizeof($alerts)) {
        print $nav;
    }
    draw_actions_dropdown($syslog_actions);
    form_end();
}