function mactrack_view_devices() {
	global $title, $report, $colors, $mactrack_search_types, $mactrack_device_types, $rows_selector, $config, $item_rows;

	/* ================= input validation ================= */
	input_validate_input_number(get_request_var_request("site_id"));
	input_validate_input_number(get_request_var_request("device_id"));
	input_validate_input_number(get_request_var_request("type_id"));
	input_validate_input_number(get_request_var_request("device_type_id"));
	input_validate_input_number(get_request_var_request("status"));
	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($_REQUEST["clear_x"]) || isset($_REQUEST["reset"])) {
		kill_session_var("sess_mactrack_view_device_current_page");
		kill_session_var("sess_mactrack_view_device_filter");
		kill_session_var("sess_mactrack_view_device_site_id");
		kill_session_var("sess_mactrack_view_device_type_id");
		kill_session_var("sess_mactrack_view_device_rows");
		kill_session_var("sess_mactrack_view_device_device_type_id");
		kill_session_var("sess_mactrack_view_device_status");
		kill_session_var("sess_mactrack_view_device_sort_column");
		kill_session_var("sess_mactrack_view_device_sort_direction");

		$_REQUEST["page"] = 1;

		if (isset($_REQUEST["clear_x"])) {
			unset($_REQUEST["filter"]);
			unset($_REQUEST["site_id"]);
			unset($_REQUEST["type_id"]);
			unset($_REQUEST["rows"]);
			unset($_REQUEST["device_type_id"]);
			unset($_REQUEST["status"]);
			unset($_REQUEST["sort_column"]);
			unset($_REQUEST["sort_direction"]);
		}
	}else{
		/* if any of the settings changed, reset the page number */
		$changed = 0;
		$changed += mactrack_check_changed("filter", "sess_mactrack_view_device_filter");
		$changed += mactrack_check_changed("site_id", "sess_mactrack_view_device_site_id");
		$changed += mactrack_check_changed("rows", "sess_mactrack_view_device_rows");
		$changed += mactrack_check_changed("type_id", "sess_mactrack_view_device_type_id");
		$changed += mactrack_check_changed("device_type_id", "sess_mactrack_view_device_device_type_id");
		$changed += mactrack_check_changed("status", "sess_mactrack_view_device_status");

		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_mactrack_view_device_current_page", "1");
	load_current_session_value("filter",         "sess_mactrack_view_device_filter", "");
	load_current_session_value("site_id",        "sess_mactrack_view_device_site_id", "-1");
	load_current_session_value("type_id",        "sess_mactrack_view_device_type_id", "-1");
	load_current_session_value("device_type_id", "sess_mactrack_view_device_device_type_id", "-1");
	load_current_session_value("status",         "sess_mactrack_view_device_status", "-1");
	load_current_session_value("rows",           "sess_mactrack_view_device_rows", "-1");
	load_current_session_value("sort_column",    "sess_mactrack_view_device_sort_column", "site_name");
	load_current_session_value("sort_direction", "sess_mactrack_view_device_sort_direction", "ASC");

	if ($_REQUEST["rows"] == -1) {
		$row_limit = read_config_option("num_rows_mactrack");
	}elseif ($_REQUEST["rows"] == -2) {
		$row_limit = 999999;
	}else{
		$row_limit = $_REQUEST["rows"];
	}

	if (defined("URL_PATH")) {
		$webroot = URL_PATH;
	}else{
		$webroot = $config["url_path"];
	}

	mactrack_tabs();
	mactrack_view_header();
	mactrack_device_filter2();
	mactrack_view_footer();
	html_start_box("", "100%", $colors["header"], "3", "center", "");

	$sql_where = "";

	$devices = mactrack_view_get_device_records($sql_where, $row_limit);

	$total_rows = db_fetch_cell("SELECT
		COUNT(mac_track_devices.device_id)
		FROM mac_track_sites
		RIGHT JOIN mac_track_devices ON mac_track_devices.site_id = mac_track_sites.site_id
		LEFT JOIN mac_track_device_types ON (mac_track_device_types.device_type_id=mac_track_devices.device_type_id)
		$sql_where");

	/* generate page list */
	$url_page_select = get_page_list($_REQUEST["page"], MAX_DISPLAY_PAGES, $row_limit, $total_rows, "mactrack_view_devices.php?report=devices");

	if (isset($config["base_path"])) {
		if ($total_rows > 0) {
			$nav = "<tr bgcolor='#" . $colors["header"] . "'>
					<td colspan='13'>
						<table width='100%' cellspacing='0' cellpadding='0' border='0'>
							<tr>
								<td align='left' class='textHeaderDark'>
									<strong>&lt;&lt; "; if ($_REQUEST["page"] > 1) { $nav .= "<a class='linkOverDark' href='mactrack_view_devices.php?report=devices&page=" . ($_REQUEST["page"]-1) . "'>"; } $nav .= "Previous"; if ($_REQUEST["page"] > 1) { $nav .= "</a>"; } $nav .= "</strong>
								</td>\n
								<td align='center' class='textHeaderDark'>
									Showing Rows " . ($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]") . "
								</td>\n
								<td align='right' class='textHeaderDark'>
									<strong>"; if (($_REQUEST["page"] * $row_limit) < $total_rows) { $nav .= "<a class='linkOverDark' href='mactrack_view_devices.php?report=devices&page=" . ($_REQUEST["page"]+1) . "'>"; } $nav .= "Next"; if (($_REQUEST["page"] * $row_limit) < $total_rows) { $nav .= "</a>"; } $nav .= " &gt;&gt;</strong>
								</td>\n
							</tr>
						</table>
					</td>
				</tr>\n";
		}else{
			$nav = "<tr bgcolor='#" . $colors["header"] . "' class='noprint'>
						<td colspan='22'>
							<table width='100%' cellspacing='0' cellpadding='0' border='0'>
								<tr>
									<td align='center' class='textHeaderDark'>
										No Rows Found
									</td>\n
								</tr>
							</table>
						</td>
					</tr>\n";
		}
	}else{
		$nav = html_create_nav($_REQUEST["page"], MAX_DISPLAY_PAGES, $row_limit, $total_rows, 13, "mactrack_view_sites.php");
	}

	print $nav;

	$display_text = array(
		"nosort" => array("Actions", ""),
		"device_name" => array("Device Name", "ASC"),
		"site_name" => array("Site Name", "ASC"),
		"snmp_status" => array("Status", "ASC"),
		"hostname" => array("Hostname", "ASC"),
		"device_type" => array("Device Type", "ASC"),
		"ips_total" => array("Total IP's", "DESC"),
		"ports_total" => array("User Ports", "DESC"),
		"ports_active" => array("User Ports Up", "DESC"),
		"ports_trunk" => array("Trunk Ports", "DESC"),
		"macs_active" => array("Active Macs", "DESC"),
		"vlans_total" => array("Total VLAN's", "DESC"),
		"last_runduration" => array("Last Duration", "DESC"));

	html_header_sort($display_text, $_REQUEST["sort_column"], $_REQUEST["sort_direction"]);

	$i = 0;
	if (sizeof($devices) > 0) {
		foreach ($devices as $device) {
			$hostinfo["hostname"] = $device["hostname"];
			$hostinfo["user"]     = $device["user_name"];
			switch($device["term_type"]) {
			case 0:
				$hostinfo["transport"] = "none";
				break;
			case 1:
				$hostinfo["transport"] = "telnet";
				break;
			case 2:
				$hostinfo["transport"] = "ssh";
				break;
			case 3:
				$hostinfo["transport"] = "http";
				break;
			case 4:
				$hostinfo["transport"] = "https";
				break;
			}

			form_alternate_row_color($colors["alternate"],$colors["light"],$i); $i++;
				?>
				<td width=100>
					<?php if (mactrack_authorized(2121)) {?>
					<a href='<?php print $webroot . "plugins/mactrack/mactrack_devices.php?action=edit&device_id=" . $device['device_id'];?>' title='Edit Device'><img border='0' src='<?php print $webroot;?>plugins/mactrack/images/edit_object.png'></a>
					<?php api_plugin_hook_function('remote_link', $hostinfo); } ?>
					<?php if ($device["host_id"] > 0) {?>
					<a href='<?php print $webroot . "plugins/mactrack/mactrack_view_graphs.php?action=preview&report=graphs&style=selective&graph_list=&host_id=" . $device["host_id"] . "&graph_template_id=0&filter=";?>' title='View Graphs'><img border='0' src='<?php print $webroot;?>plugins/mactrack/images/view_graphs.gif'></a>
					<?php }else{?>
					<img title='Device Not Mapped to Cacti Device' border='0' src='<?php print $webroot;?>plugins/mactrack/images/view_graphs_disabled.gif'>
					<?php }?>
					<a href='<?php print $webroot . "plugins/mactrack/mactrack_view_macs.php?report=macs&reset&device_id=-1&scan_date=3&site_id=" . $_REQUEST["site_id"] . "&device_id=" . $device['device_id'];?>' title='View MAC Addresses'><img border='0' src='<?php print $webroot;?>plugins/mactrack/images/view_macs.gif'></a>
					<a href='<?php print $webroot . "plugins/mactrack/mactrack_view_interfaces.php?report=interfaces&reset&site=" . $_REQUEST["site_id"] . "&device=" . $device['device_id'];?>' title='View Interfaces'><img border='0' src='<?php print $webroot;?>plugins/mactrack/images/view_interfaces.gif'></a>
				</td>
				<td width=150>
					<?php print "<strong>" . (strlen($_REQUEST["filter"]) ? preg_replace("/(" . preg_quote($_REQUEST["filter"]) . ")/i", "<span style='background-color: #F8D93D;'>\\1</span>", $device["device_name"]) : $device["device_name"]) . "</strong>";?>
				</td>
				<td><?php print (strlen($_REQUEST["filter"]) ? preg_replace("/(" . preg_quote($_REQUEST["filter"]) . ")/i", "<span style='background-color: #F8D93D;'>\\1</span>", $device["site_name"]) : $device["site_name"]);?></td>
				<td><?php print get_colored_device_status(($device["disabled"] == "on" ? true : false), $device["snmp_status"]);?></td>
				<td><?php print (strlen($_REQUEST["filter"]) ? preg_replace("/(" . preg_quote($_REQUEST["filter"]) . ")/i", "<span style='background-color: #F8D93D;'>\\1</span>", $device["hostname"]) : $device["hostname"]);?></td>
				<td><?php print $device["device_type"];?></td>
				<td><?php print ($device["scan_type"] == "1" ? "N/A" : $device["ips_total"]);?></td>
				<td><?php print ($device["scan_type"] == "3" ? "N/A" : $device["ports_total"]);?></td>
				<td><?php print ($device["scan_type"] == "3" ? "N/A" : $device["ports_active"]);?></td>
				<td><?php print ($device["scan_type"] == "3" ? "N/A" : $device["ports_trunk"]);?></td>
				<td><?php print ($device["scan_type"] == "3" ? "N/A" : $device["macs_active"]);?></td>
				<td><?php print ($device["scan_type"] == "3" ? "N/A" : $device["vlans_total"]);?></td>
				<td><?php print number_format($device["last_runduration"], 1);?></td>
			</tr>
			<?php
		}
	}else{
		print "<tr><td colspan='10'><em>No MacTrack Devices</em></td></tr>";
	}

	print $nav;

	html_end_box(false);

	mactrack_display_stats();
}
function mactrack_view_devices()
{
    global $title, $report, $mactrack_search_types, $mactrack_device_types, $rows_selector, $config, $item_rows;
    mactrack_device_request_validation();
    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');
    }
    $webroot = $config['url_path'] . '/plugins/mactrack/';
    mactrack_tabs();
    html_start_box($title, '100%', '', '3', 'center', '');
    mactrack_device_filter2();
    html_end_box();
    $sql_where = '';
    $devices = mactrack_view_get_device_records($sql_where, $row_limit);
    $total_rows = db_fetch_cell("SELECT\n\t\tCOUNT(mac_track_devices.device_id)\n\t\tFROM mac_track_sites\n\t\tRIGHT JOIN mac_track_devices ON mac_track_devices.site_id = mac_track_sites.site_id\n\t\tLEFT JOIN mac_track_device_types ON (mac_track_device_types.device_type_id=mac_track_devices.device_type_id)\n\t\t{$sql_where}");
    $nav = html_nav_bar('mactrack_view_devices.php?report=devices', MAX_DISPLAY_PAGES, get_request_var('page'), $row_limit, $total_rows, 13, __('Devices'));
    print $nav;
    html_start_box('', '100%', '', '3', 'center', '');
    $display_text = array('nosort' => array(__('Actions'), ''), 'device_name' => array(__('Device Name'), 'ASC'), 'site_name' => array(__('Site Name'), 'ASC'), 'snmp_status' => array(__('Status'), 'ASC'), 'hostname' => array(__('Hostname'), 'ASC'), 'device_type' => array(__('Device Type'), 'ASC'), 'ips_total' => array(__('Total IP\'s'), 'DESC'), 'ports_total' => array(__('User Ports'), 'DESC'), 'ports_active' => array(__('User Ports Up'), 'DESC'), 'ports_trunk' => array(__('Trunk Ports'), 'DESC'), 'macs_active' => array(__('Active Macs'), 'DESC'), 'vlans_total' => array(__('Total VLAN\'s'), 'DESC'), 'last_runduration' => array(__('Last Duration'), 'DESC'));
    html_header_sort($display_text, get_request_var('sort_column'), get_request_var('sort_direction'));
    $i = 0;
    if (sizeof($devices) > 0) {
        foreach ($devices as $device) {
            $hostinfo['hostname'] = $device['hostname'];
            $hostinfo['user'] = $device['user_name'];
            switch ($device['term_type']) {
                case 0:
                    $hostinfo['transport'] = 'none';
                    break;
                case 1:
                    $hostinfo['transport'] = 'telnet';
                    break;
                case 2:
                    $hostinfo['transport'] = 'ssh';
                    break;
                case 3:
                    $hostinfo['transport'] = 'http';
                    break;
                case 4:
                    $hostinfo['transport'] = 'https';
                    break;
            }
            form_alternate_row();
            ?>
				<td width=100>
					<?php 
            if (api_user_realm_auth('mactrack_sites.php')) {
                ?>
					<a href='<?php 
                print htmlspecialchars($webroot . 'mactrack_devices.php?action=edit&device_id=' . $device['device_id']);
                ?>
' title='<?php 
                print __('Edit Device');
                ?>
'><img border='0' src='<?php 
                print $webroot;
                ?>
images/edit_object.png'></a>
					<?php 
                api_plugin_hook_function('remote_link', $hostinfo);
            }
            ?>
					<?php 
            if ($device['host_id'] > 0) {
                ?>
					<a href='<?php 
                print htmlspecialchars($webroot . 'mactrack_view_graphs.php?action=preview&report=graphs&style=selective&graph_list=&host=' . $device['host_id'] . '&graph_template_id=0&filter=');
                ?>
' title='<?php 
                print __('View Graphs');
                ?>
'><img border='0' src='<?php 
                print $webroot;
                ?>
images/view_graphs.gif'></a>
					<?php 
            } else {
                ?>
					<img title='<?php 
                print __('Device Not Mapped to Cacti Device');
                ?>
' border='0' src='<?php 
                print $webroot;
                ?>
images/view_graphs_disabled.gif'>
					<?php 
            }
            ?>
					<a href='<?php 
            print htmlspecialchars($webroot . 'mactrack_view_macs.php?report=macs&reset&device_id=-1&scan_date=3&site_id=' . get_request_var('site_id') . '&device_id=' . $device['device_id']);
            ?>
' title='<?php 
            print __('View MAC Addresses');
            ?>
'><img border='0' src='<?php 
            print $webroot;
            ?>
images/view_macs.gif'></a>
					<a href='<?php 
            print htmlspecialchars($webroot . 'mactrack_view_interfaces.php?report=interfaces&reset&site=' . get_request_var('site_id') . '&device=' . $device['device_id']);
            ?>
' title='<?php 
            print __('View Interfaces');
            ?>
'><img border='0' src='<?php 
            print $webroot;
            ?>
images/view_interfaces.gif'></a>
				</td>
				<td class='hyperLink'>
					<?php 
            print filter_value($device['device_name'], get_request_var('filter'));
            ?>
				</td>
				<td><?php 
            print filter_value($device['site_name'], get_request_var('filter'));
            ?>
				<td><?php 
            print get_colored_device_status($device['disabled'] == 'on' ? true : false, $device['snmp_status']);
            ?>
</td>
				<td><?php 
            print filter_value($device['hostname'], get_request_var('filter'));
            ?>
				<td><?php 
            print $device['device_type'];
            ?>
</td)>
				<td><?php 
            print $device['scan_type'] == '1' ? __('N/A') : number_format_i18n($device['ips_total']);
            ?>
</td>
				<td><?php 
            print $device['scan_type'] == '3' ? __('N/A') : number_format_i18n($device['ports_total']);
            ?>
</td>
				<td><?php 
            print $device['scan_type'] == '3' ? __('N/A') : number_format_i18n($device['ports_active']);
            ?>
</td>
				<td><?php 
            print $device['scan_type'] == '3' ? __('N/A') : number_format_i18n($device['ports_trunk']);
            ?>
</td>
				<td><?php 
            print $device['scan_type'] == '3' ? __('N/A') : number_format_i18n($device['macs_active']);
            ?>
</td>
				<td><?php 
            print $device['scan_type'] == '3' ? __('N/A') : number_format_i18n($device['vlans_total']);
            ?>
</td>
				<td><?php 
            print number_format($device['last_runduration'], 1);
            ?>
</td>
			</tr>
			<?php 
        }
    } else {
        print '<tr><td colspan="10"><em>' . __('No MacTrack Devices') . '</em></td></tr>';
    }
    html_end_box(false);
    if (sizeof($devices)) {
        print $nav;
        mactrack_display_stats();
    }
}