* part of pfSense (https://www.pfsense.org/)
*
* 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.
*
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgment:
* "This product includes software developed by the pfSense Project
* for use in the pfSense software distribution. (http://www.pfsense.org/).
*
* 4. The names "pfSense" and "pfSense Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* coreteam@pfsense.org.
*
* 5. Products derived from this software may not be called "pfSense"
* nor may "pfSense" appear in their names without prior written
* permission of the Electric Sheep Fencing, LLC.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
*
* "This product includes software developed by the pfSense Project
* for use in the pfSense software distribution (http://www.pfsense.org/).
*
* THIS SOFTWARE IS PROVIDED BY THE pfSense PROJECT ``AS IS'' AND ANY
* EXPRESSED 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 pfSense PROJECT OR
* ITS CONTRIBUTORS 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_BUILDER_BINARIES: /sbin/ifconfig
pfSense_MODULE: interfaces
*/
##|+PRIV
##|*IDENT=page-firewall-virtualipaddresses
##|*NAME=Firewall: Virtual IP Addresses page
##|*DESCR=Allow access to the 'Firewall: Virtual IP Addresses' page.
##|*MATCH=firewall_virtual_ip.php*
##|-PRIV
require("guiconfig.inc");
require_once("functions.inc");
require_once("filter.inc");
require_once("shaper.inc");
if (!is_array($config['virtualip']['vip'])) {
$config['virtualip']['vip'] = array();
}
$a_vip = &$config['virtualip']['vip'];
if ($_POST) {
$pconfig = $_POST;
if ($_POST['apply']) {
$check_carp = false;
if (file_exists("{$g['tmp_path']}/.firewall_virtual_ip.apply")) {
$toapplylist = unserialize(file_get_contents("{$g['tmp_path']}/.firewall_virtual_ip.apply"));
foreach ($toapplylist as $vid => $ovip) {
if (!empty($ovip)) {
interface_vip_bring_down($ovip);
}
if ($a_vip[$vid]) {
switch ($a_vip[$vid]['mode']) {
case "ipalias":
interface_ipalias_configure($a_vip[$vid]);
break;
case "proxyarp":
interface_proxyarp_configure($a_vip[$vid]['interface']);
break;
case "carp":
$check_carp = true;
interface_carp_configure($a_vip[$vid]);
break;
default:
break;
}
}
}
@unlink("{$g['tmp_path']}/.firewall_virtual_ip.apply");
}
/* Before changing check #4633 */
if ($check_carp === true && !get_carp_status()) {
set_single_sysctl("net.inet.carp.allow", "1");
}
$retval = 0;
$retval |= filter_configure();
$savemsg = get_std_save_message($retval);
clear_subsystem_dirty('vip');
}
}
if ($_GET['act'] == "del") {
if ($a_vip[$_GET['id']]) {
/* make sure no inbound NAT mappings reference this entry */
if (is_array($config['nat']['rule'])) {
foreach ($config['nat']['rule'] as $rule) {
if ($rule['destination']['address'] != "") {
if ($rule['destination']['address'] == $a_vip[$_GET['id']]['subnet']) {
$input_errors[] = gettext("This entry cannot be deleted because it is still referenced by at least one NAT mapping.");
break;
}
}
}
}
/* make sure no OpenVPN server or client references this entry */
$openvpn_types_a = array("openvpn-server" => gettext("server"), "openvpn-client" => gettext("client"));
foreach ($openvpn_types_a as $openvpn_type => $openvpn_type_text) {
if (is_array($config['openvpn'][$openvpn_type])) {
foreach ($config['openvpn'][$openvpn_type] as $openvpn) {
if ($openvpn['ipaddr'] <> "") {
if ($openvpn['ipaddr'] == $a_vip[$_GET['id']]['subnet']) {
if (strlen($openvpn['description'])) {
$openvpn_desc = $openvpn['description'];
} else {
$openvpn_desc = $openvpn['ipaddr'] . ":" . $openvpn['local_port'];
}
$input_errors[] = sprintf(gettext("This entry cannot be deleted because it is still referenced by OpenVPN %s %s."), $openvpn_type_text, $openvpn_desc);
break;
}
}
}
}
}
if (is_ipaddrv6($a_vip[$_GET['id']]['subnet'])) {
$is_ipv6 = true;
$subnet = gen_subnetv6($a_vip[$_GET['id']]['subnet'], $a_vip[$_GET['id']]['subnet_bits']);
$if_subnet_bits = get_interface_subnetv6($a_vip[$_GET['id']]['interface']);
$if_subnet = gen_subnetv6(get_interface_ipv6($a_vip[$_GET['id']]['interface']), $if_subnet_bits);
} else {
$is_ipv6 = false;
$subnet = gen_subnet($a_vip[$_GET['id']]['subnet'], $a_vip[$_GET['id']]['subnet_bits']);
$if_subnet_bits = get_interface_subnet($a_vip[$_GET['id']]['interface']);
$if_subnet = gen_subnet(get_interface_ip($a_vip[$_GET['id']]['interface']), $if_subnet_bits);
}
$subnet .= "/" . $a_vip[$_GET['id']]['subnet_bits'];
$if_subnet .= "/" . $if_subnet_bits;
if (is_array($config['gateways']['gateway_item'])) {
foreach ($config['gateways']['gateway_item'] as $gateway) {
if ($a_vip[$_GET['id']]['interface'] != $gateway['interface']) {
continue;
}
if ($is_ipv6 && $gateway['ipprotocol'] == 'inet') {
continue;
}
if (!$is_ipv6 && $gateway['ipprotocol'] == 'inet6') {
continue;
}
if (ip_in_subnet($gateway['gateway'], $if_subnet)) {
continue;
}
if (ip_in_subnet($gateway['gateway'], $subnet)) {
$input_errors[] = gettext("This entry cannot be deleted because it is still referenced by at least one Gateway.");
break;
}
}
}
if ($a_vip[$_GET['id']]['mode'] == "ipalias") {
$subnet = gen_subnet($a_vip[$_GET['id']]['subnet'], $a_vip[$_GET['id']]['subnet_bits']) . "/" . $a_vip[$_GET['id']]['subnet_bits'];
$found_if = false;
$found_carp = false;
$found_other_alias = false;
if ($subnet == $if_subnet) {
$found_if = true;
}
$vipiface = $a_vip[$_GET['id']]['interface'];
foreach ($a_vip as $vip_id => $vip) {
if ($vip_id == $_GET['id']) {
continue;
}
if ($vip['interface'] == $vipiface && ip_in_subnet($vip['subnet'], $subnet)) {
if ($vip['mode'] == "carp") {
$found_carp = true;
} else if ($vip['mode'] == "ipalias") {
$found_other_alias = true;
}
}
}
if ($found_carp === true && $found_other_alias === false && $found_if === false) {
$input_errors[] = gettext("This entry cannot be deleted because it is still referenced by a CARP IP with the description") . " {$vip['descr']}.";
}
} else if ($a_vip[$_GET['id']]['mode'] == "carp") {
$vipiface = "{$a_vip[$_GET['id']]['interface']}_vip{$a_vip[$_GET['id']]['vhid']}";
foreach ($a_vip as $vip) {
if ($vipiface == $vip['interface'] && $vip['mode'] == "ipalias") {
$input_errors[] = gettext("This entry cannot be deleted because it is still referenced by an IP alias entry with the description") . " {$vip['descr']}.";
}
}
}
if (!$input_errors) {
if (!session_id()) {
session_start();
}
$user = getUserEntry($_SESSION['Username']);
if (is_array($user) && userHasPrivilege($user, "user-config-readonly")) {
header("Location: firewall_virtual_ip.php");
exit;
}
session_commit();
// Special case since every proxyarp vip is handled by the same daemon.
if ($a_vip[$_GET['id']]['mode'] == "proxyarp") {
$viface = $a_vip[$_GET['id']]['interface'];
unset($a_vip[$_GET['id']]);
interface_proxyarp_configure($viface);
} else {
interface_vip_bring_down($a_vip[$_GET['id']]);
unset($a_vip[$_GET['id']]);
}
if (count($config['virtualip']['vip']) == 0) {
unset($config['virtualip']['vip']);
}
write_config();
header("Location: firewall_virtual_ip.php");
exit;
}
}
} else if ($_GET['changes'] == "mods" && is_numericint($_GET['id'])) {
$id = $_GET['id'];
}
$types = array('proxyarp' => 'Proxy ARP',
'carp' => 'CARP',
'other' => 'Other',
'ipalias' => 'IP Alias'
);
$pgtitle = array(gettext("Firewall"), gettext("Virtual IP Addresses"));
include("head.inc");
if ($input_errors)
print_input_errors($input_errors);
else if ($savemsg)
print_info_box($savemsg, 'success');
else if (is_subsystem_dirty('vip'))
print_info_box_np(gettext("The VIP configuration has been changed.")."
".gettext("You must apply the changes in order for them to take effect."));
/* active tabs
$tab_array = array();
$tab_array[] = array(gettext("Virtual IPs"), true, "firewall_virtual_ip.php");
$tab_array[] = array(gettext("CARP Settings"), false, "system_hasync.php");
display_top_tabs($tab_array);
*/
?>
=gettext("Virtual IP address")?> | =gettext("Interface")?> | =gettext("Type")?> | =gettext("Description")?> | |
---|---|---|---|---|
=htmlspecialchars($interfaces[$vipent['interface']])?> | =$types[$vipent['mode']]?> | =htmlspecialchars($vipent['descr'])?> | " href="firewall_virtual_ip_edit.php?id==$i?>"> " href="firewall_virtual_ip.php?act=del&id==$i?>" onclick="return confirm('=gettext("Are you sure you want to delete this virtual ip?")?>')"> |