* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
##|+PRIV
##|*IDENT=page-system-gateways
##|*NAME=System: Gateways
##|*DESCR=Allow access to the 'System: Gateways' page.
##|*MATCH=system_gateways.php*
##|-PRIV
require_once("guiconfig.inc");
require_once("functions.inc");
require_once("filter.inc");
require_once("shaper.inc");
require_once("gwlb.inc");
$simplefields = array('defaultgw4', 'defaultgw6');
init_config_arr(array('gateways', 'gateway_item'));
$a_gateway_item = &$config['gateways']['gateway_item'];
$pconfig = $_REQUEST;
if ($_POST['order-store']) {
// Include the rules of this (the selected) interface.
// If a rule is not in POST[rule], it has been deleted by the user
$a_gateway_item_new = array();
//print "";
foreach ($_POST['row'] as $id) {
//print " $id";
$a_gateway_item_new[] = $a_gateway_item[$id];
}
//print_r($a_gateway_item);
//print_r($a_gateway_item_new);
//print "";
$a_gateway_item = $a_gateway_item_new;
//mark_subsystem_dirty('staticroutes');
write_config("System - Gateways: save default gateway");
} else if ($_POST['save']) {
unset($input_errors);
$pconfig = $_POST;
foreach($simplefields as $field) {
$config['gateways'][$field] = $pconfig[$field];
}
mark_subsystem_dirty('staticroutes');
write_config("System - Gateways: save default gateway");
}
if ($_POST['apply']) {
$retval = 0;
$retval |= system_routing_configure();
$retval |= system_resolvconf_generate();
$retval |= filter_configure();
/* reconfigure our gateway monitor */
setup_gateways_monitor();
/* Dynamic DNS on gw groups may have changed */
send_event("service reload dyndnsall");
if ($retval == 0) {
clear_subsystem_dirty('staticroutes');
}
}
$a_gateways = return_gateways_array(true, false, true, true);
function can_delete_disable_gateway_item($id, $disable = false) {
global $config, $input_errors, $a_gateways;
if (!isset($a_gateways[$id])) {
return false;
}
if (is_array($config['gateways']['gateway_group'])) {
foreach ($config['gateways']['gateway_group'] as $group) {
foreach ($group['item'] as $item) {
$items = explode("|", $item);
if ($items[0] == $a_gateways[$id]['name']) {
if (!$disable) {
$input_errors[] = sprintf(gettext('Gateway "%1$s" cannot be deleted because it is in use on Gateway Group "%2$s"'), $a_gateways[$id]['name'], $group['name']);
} else {
$input_errors[] = sprintf(gettext('Gateway "%1$s" cannot be disabled because it is in use on Gateway Group "%2$s"'), $a_gateways[$id]['name'], $group['name']);
}
}
}
}
}
if (is_array($config['staticroutes']['route'])) {
foreach ($config['staticroutes']['route'] as $route) {
if ($route['gateway'] == $a_gateways[$id]['name']) {
if (!$disable) {
// The user wants to delete this gateway, but there is a static route (enabled or disabled) that refers to the gateway.
$input_errors[] = sprintf(gettext('Gateway "%1$s" cannot be deleted because it is in use on Static Route "%2$s"'), $a_gateways[$id]['name'], $route['network']);
} else if (!isset($route['disabled'])) {
// The user wants to disable this gateway.
// But there is a static route that uses this gateway and is enabled (not disabled).
$input_errors[] = sprintf(gettext('Gateway "%1$s" cannot be disabled because it is in use on Static Route "%2$s"'), $a_gateways[$id]['name'], $route['network']);
}
}
}
}
if (isset($input_errors)) {
return false;
}
return true;
}
function delete_gateway_item($id) {
global $config, $a_gateways;
if (!isset($a_gateways[$id])) {
return;
}
/* If the removed gateway was the default route, remove the default route */
if (!empty($a_gateways[$id]) && is_ipaddr($a_gateways[$id]['gateway']) &&
!isset($a_gateways[$id]['disabled']) &&
isset($a_gateways[$id]['isdefaultgw'])) {
$inet = (!is_ipaddrv4($a_gateways[$id]['gateway']) ? '-inet6' : '-inet');
file_put_contents("/dev/console", "\n[".getmypid()."] DEL_GW, route= delete {$inet} default");
mwexec("/sbin/route delete {$inet} default");
}
/* NOTE: Cleanup static routes for the interface route if any */
if (!empty($a_gateways[$id]) && is_ipaddr($a_gateways[$id]['gateway']) &&
$gateway['gateway'] != $a_gateways[$id]['gateway'] &&
isset($a_gateways[$id]["nonlocalgateway"])) {
$realif = get_real_interface($a_gateways[$id]['interface']);
$inet = (!is_ipaddrv4($a_gateways[$id]['gateway']) ? "-inet6" : "-inet");
file_put_contents("/dev/console", "\n[".getmypid()."] DEL_GW, route= $inet " . escapeshellarg($a_gateways[$id]['gateway']) . " -iface " . escapeshellarg($realif));
$cmd = "/sbin/route delete $inet " . escapeshellarg($a_gateways[$id]['gateway']) . " -iface " . escapeshellarg($realif);
mwexec($cmd);
}
/* NOTE: Cleanup static routes for the monitor ip if any */
if (!empty($a_gateways[$id]['monitor']) &&
$a_gateways[$id]['monitor'] != "dynamic" &&
is_ipaddr($a_gateways[$id]['monitor']) &&
$a_gateways[$id]['gateway'] != $a_gateways[$id]['monitor']) {
if (is_ipaddrv4($a_gateways[$id]['monitor'])) {
mwexec("/sbin/route delete " . escapeshellarg($a_gateways[$id]['monitor']));
} else {
mwexec("/sbin/route delete -inet6 " . escapeshellarg($a_gateways[$id]['monitor']));
}
}
if ($config['interfaces'][$a_gateways[$id]['friendlyiface']]['gateway'] == $a_gateways[$id]['name']) {
unset($config['interfaces'][$a_gateways[$id]['friendlyiface']]['gateway']);
}
unset($config['gateways']['gateway_item'][$a_gateways[$id]['attribute']]);
}
unset($input_errors);
if ($_REQUEST['act'] == "del") {
if (can_delete_disable_gateway_item($_REQUEST['id'])) {
$realid = $a_gateways[$_REQUEST['id']]['attribute'];
delete_gateway_item($_REQUEST['id']);
write_config("Gateways: removed gateway {$realid}");
mark_subsystem_dirty('staticroutes');
header("Location: system_gateways.php");
exit;
}
}
if (isset($_REQUEST['del_x'])) {
/* delete selected items */
if (is_array($_REQUEST['rule']) && count($_REQUEST['rule'])) {
foreach ($_REQUEST['rule'] as $rulei) {
if (!can_delete_disable_gateway_item($rulei)) {
break;
}
}
if (!isset($input_errors)) {
$items_deleted = "";
foreach ($_REQUEST['rule'] as $rulei) {
delete_gateway_item($rulei);
$items_deleted .= "{$rulei} ";
}
if (!empty($items_deleted)) {
write_config(sprintf(gettext("Gateways: removed gateways %s", $items_deleted)));
mark_subsystem_dirty('staticroutes');
}
header("Location: system_gateways.php");
exit;
}
}
} else if ($_REQUEST['act'] == "toggle" && $a_gateways[$_REQUEST['id']]) {
$realid = $a_gateways[$_REQUEST['id']]['attribute'];
$disable_gw = !isset($a_gateway_item[$realid]['disabled']);
if ($disable_gw) {
// The user wants to disable the gateway, so check if that is OK.
$ok_to_toggle = can_delete_disable_gateway_item($_REQUEST['id'], $disable_gw);
} else {
// The user wants to enable the gateway. That is always OK.
$ok_to_toggle = true;
}
if ($ok_to_toggle) {
gateway_set_enabled($a_gateway_item[$realid]['name'], !$disable_gw);
if (write_config("Gateways: enable/disable")) {
mark_subsystem_dirty('staticroutes');
}
header("Location: system_gateways.php");
exit;
}
}
foreach($simplefields as $field) {
$pconfig[$field] = $config['gateways'][$field];
}
function gateway_displaygwtiername($gwname) {
global $config;
$gw = lookup_gateway_or_group_by_name($gwname);
if ($config['gateways']['defaultgw4'] == $gwname || $config['gateways']['defaultgw6'] == $gwname) {
$result = "Default";
} else {
if ($gw['ipprotocol'] == 'inet') {
$defgw = lookup_gateway_or_group_by_name($config['gateways']['defaultgw4']);
} else {
$defgw = lookup_gateway_or_group_by_name($config['gateways']['defaultgw6']);
}
if ($defgw['type'] == "gatewaygroup") {
$detail = gateway_is_gwgroup_member($gwname, true);
foreach($detail as $gwitem) {
if ($gwitem['name'] == $defgw['name']) {
if (isset($gwitem['tier'])) {
$result = "Tier " . $gwitem['tier'];
break;
}
}
}
}
}
if (!empty($result)) {
if ($gw['ipprotocol'] == "inet") {
$result .= " (IPv4)";
} elseif ($gw['ipprotocol'] == "inet6") {
$result .= " (IPv6)";
}
}
return $result;
}
$pgtitle = array(gettext("System"), gettext("Routing"), gettext("Gateways"));
$pglinks = array("", "@self", "@self");
$shortcut_section = "gateways";
include("head.inc");
if ($input_errors) {
print_input_errors($input_errors);
}
if ($_POST['apply']) {
print_apply_result_box($retval);
}
if (is_subsystem_dirty('staticroutes')) {
print_apply_box(gettext("The gateway configuration has been changed.") . "
" . gettext("The changes must be applied for them to take effect."));
}
$tab_array = array();
$tab_array[0] = array(gettext("Gateways"), true, "system_gateways.php");
$tab_array[1] = array(gettext("Static Routes"), false, "system_routes.php");
$tab_array[2] = array(gettext("Gateway Groups"), false, "system_gateway_groups.php");
display_top_tabs($tab_array);
?>
$group) {
$gwn = $group['descr'];
if ($group['ipprotocol'] == "inet6") {
$items6[$key] = "$key ($gwn)";
} else {
$items4[$key] = "$key ($gwn)";
}
}
$items4['-'] = "None";
$items6['-'] = "None";
$section->addInput(new Form_Select(
'defaultgw4',
'Default gateway IPv4',
$pconfig['defaultgw4'],
$items4
))->setHelp('Select the gateway or gatewaygroup to use as the default gateway.');
$section->addInput(new Form_Select(
'defaultgw6',
'Default gateway IPv6',
$pconfig['defaultgw6'],
$items6
))->setHelp('Select the gateway or gatewaygroup to use as the default gateway.');
$form->add($section);
print $form;
?>
', '', '')
);
?>