.
Copyright (C) 2010 Scott Ullrich
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
/*
pfSense_MODULE: routing
*/
##|+PRIV
##|*IDENT=page-system-staticroutes-editroute
##|*NAME=System: Static Routes: Edit route page
##|*DESCR=Allow access to the 'System: Static Routes: Edit route' page.
##|*MATCH=system_routes_edit.php*
##|-PRIV
function staticroutecmp($a, $b) {
return strcmp($a['network'], $b['network']);
}
function staticroutes_sort() {
global $g, $config;
if (!is_array($config['staticroutes']['route']))
return;
usort($config['staticroutes']['route'], "staticroutecmp");
}
require_once("guiconfig.inc");
require_once("filter.inc");
require_once("util.inc");
require_once("gwlb.inc");
if (!is_array($config['staticroutes']['route']))
$config['staticroutes']['route'] = array();
$a_routes = &$config['staticroutes']['route'];
$a_gateways = return_gateways_array(true, true);
$id = $_GET['id'];
if (isset($_POST['id']))
$id = $_POST['id'];
if (isset($_GET['dup'])) {
$id = $_GET['dup'];
}
if (isset($id) && $a_routes[$id]) {
list($pconfig['network'],$pconfig['network_subnet']) =
explode('/', $a_routes[$id]['network']);
$pconfig['gateway'] = $a_routes[$id]['gateway'];
$pconfig['descr'] = $a_routes[$id]['descr'];
$pconfig['disabled'] = isset($a_routes[$id]['disabled']);
}
if (isset($_GET['dup']))
unset($id);
if ($_POST) {
global $aliastable;
unset($input_errors);
$pconfig = $_POST;
/* input validation */
$reqdfields = explode(" ", "network network_subnet gateway");
$reqdfieldsn = explode(",",
gettext("Destination network") . "," .
gettext("Destination network bit count") . "," .
gettext("Gateway"));
do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
if (($_POST['network'] && !is_ipaddr($_POST['network']) && !is_alias($_POST['network']))) {
$input_errors[] = gettext("A valid IPv4 or IPv6 destination network must be specified.");
}
if (($_POST['network_subnet'] && !is_numeric($_POST['network_subnet']))) {
$input_errors[] = gettext("A valid destination network bit count must be specified.");
}
if (($_POST['gateway']) && is_ipaddr($_POST['network'])) {
if (!isset($a_gateways[$_POST['gateway']]))
$input_errors[] = gettext("A valid gateway must be specified.");
if(!validate_address_family($_POST['network'], lookup_gateway_ip_by_name($_POST['gateway'])))
$input_errors[] = gettext("The gateway '{$a_gateways[$_POST['gateway']]['gateway']}' is a different Address Family as network '{$_POST['network']}'.");
}
/* check for overlaps */
$current_targets = get_staticroutes(true);
$new_targets = array();
if(is_ipaddrv6($_POST['network'])) {
$osn = gen_subnetv6($_POST['network'], $_POST['network_subnet']) . "/" . $_POST['network_subnet'];
$new_targets[] = $osn;
}
if (is_ipaddrv4($_POST['network'])) {
if($_POST['network_subnet'] > 32)
$input_errors[] = gettext("A IPv4 subnet can not be over 32 bits.");
else {
$osn = gen_subnet($_POST['network'], $_POST['network_subnet']) . "/" . $_POST['network_subnet'];
$new_targets[] = $osn;
}
} elseif (is_alias($_POST['network'])) {
$osn = $_POST['network'];
$fqdn_found = 0;
foreach (filter_expand_alias_array($osn, true) as $tgt) {
if (is_ipaddrv4($tgt))
$tgt .= "/32";
if (is_ipaddrv6($tgt))
$tgt .= "/128";
if (is_fqdn($tgt)) {
$input_errors[] = sprintf(gettext("The alias (%s) has one or more FQDNs configured and cannot be used to configure a static route."), $_POST['network']);
$fqdn_found = 1;
break;
}
if (is_subnet($tgt))
$new_targets[] = $tgt;
}
}
if (!isset($id))
$id = count($a_routes);
$oroute = $a_routes[$id];
$old_targets = array();
if (!empty($oroute)) {
if (is_alias($oroute['network'])) {
foreach (filter_expand_alias_array($oroute['network']) as $tgt) {
if (is_ipaddrv4($tgt))
$tgt .= "/32";
else if (is_ipaddrv6($tgt))
$tgt .= "/128";
if (!is_subnet($tgt))
continue;
$old_targets[] = $tgt;
}
} else {
$old_targets[] = $oroute['network'];
}
}
$overlaps = array_intersect($current_targets, $new_targets);
$overlaps = array_diff($overlaps, $old_targets);
if (count($overlaps)) {
$input_errors[] = gettext("A route to these destination networks already exists") . ": " . implode(", ", $overlaps);
}
if (is_array($config['interfaces'])) {
foreach ($config['interfaces'] as $if) {
if (is_ipaddrv4($_POST['network'])
&& isset($if['ipaddr']) && isset($if['subnet'])
&& is_ipaddrv4($if['ipaddr']) && is_numeric($if['subnet'])
&& ($_POST['network_subnet'] == $if['subnet'])
&& (gen_subnet($_POST['network'], $_POST['network_subnet']) == gen_subnet($if['ipaddr'], $if['subnet'])))
$input_errors[] = sprintf(gettext("This network conflicts with address configured on interface %s."), $if['descr']);
else if (is_ipaddrv6($_POST['network'])
&& isset($if['ipaddrv6']) && isset($if['subnetv6'])
&& is_ipaddrv6($if['ipaddrv6']) && is_numeric($if['subnetv6'])
&& ($_POST['network_subnet'] == $if['subnetv6'])
&& (gen_subnetv6($_POST['network'], $_POST['network_subnet']) == gen_subnetv6($if['ipaddrv6'], $if['subnetv6'])))
$input_errors[] = sprintf(gettext("This network conflicts with address configured on interface %s."), $if['descr']);
}
}
if (!$input_errors) {
$route = array();
$route['network'] = $osn;
$route['gateway'] = $_POST['gateway'];
$route['descr'] = $_POST['descr'];
if ($_POST['disabled'])
$route['disabled'] = true;
else
unset($route['disabled']);
if (file_exists("{$g['tmp_path']}/.system_routes.apply"))
$toapplylist = unserialize(file_get_contents("{$g['tmp_path']}/.system_routes.apply"));
else
$toapplylist = array();
$a_routes[$id] = $route;
if (!empty($oroute)) {
$delete_targets = array_diff($old_targets, $new_targets);
if (count($delete_targets))
foreach ($delete_targets as $dts) {
if(is_ipaddrv6($dts))
$family = "-inet6";
$toapplylist[] = "/sbin/route delete {$family} {$dts}";
}
}
file_put_contents("{$g['tmp_path']}/.system_routes.apply", serialize($toapplylist));
staticroutes_sort();
mark_subsystem_dirty('staticroutes');
write_config();
header("Location: system_routes.php");
exit;
}
}
$pgtitle = array(gettext("System"),gettext("Static Routes"),gettext("Edit route"));
$shortcut_section = "routing";
include("head.inc");
?>