diff options
Diffstat (limited to 'src/usr/local/www/firewall_nat_1to1_edit.php')
| -rw-r--r-- | src/usr/local/www/firewall_nat_1to1_edit.php | 581 |
1 files changed, 581 insertions, 0 deletions
diff --git a/src/usr/local/www/firewall_nat_1to1_edit.php b/src/usr/local/www/firewall_nat_1to1_edit.php new file mode 100644 index 0000000..ba92003 --- /dev/null +++ b/src/usr/local/www/firewall_nat_1to1_edit.php @@ -0,0 +1,581 @@ +<?php +/* $Id$ */ +/* + firewall_nat_1to1_edit.php +*/ +/* ==================================================================== + * Copyright (c) 2004-2015 Electric Sheep Fencing, LLC. All rights reserved. + * Copyright (c) 2003-2004 Manuel Kasper <mk@neon1.net> + * part of m0n0wall (http://m0n0.ch/wall) + * + * 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_MODULE: nat +*/ + +##|+PRIV +##|*IDENT=page-firewall-nat-1-1-edit +##|*NAME=Firewall: NAT: 1:1: Edit page +##|*DESCR=Allow access to the 'Firewall: NAT: 1:1: Edit' page. +##|*MATCH=firewall_nat_1to1_edit.php* +##|-PRIV + +require("guiconfig.inc"); +require_once("interfaces.inc"); +require_once("filter.inc"); +require("shaper.inc"); + +$referer = (isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '/firewall_nat_1to1.php'); + +$specialsrcdst = explode(" ", "any pptp pppoe l2tp openvpn"); +$ifdisp = get_configured_interface_with_descr(); + +foreach ($ifdisp as $kif => $kdescr) { + $specialsrcdst[] = "{$kif}"; + $specialsrcdst[] = "{$kif}ip"; +} + +if (!is_array($config['nat']['onetoone'])) { + $config['nat']['onetoone'] = array(); +} + +$a_1to1 = &$config['nat']['onetoone']; + +if (is_numericint($_GET['id'])) { + $id = $_GET['id']; +} +if (isset($_POST['id']) && is_numericint($_POST['id'])) { + $id = $_POST['id']; +} + +$after = $_GET['after']; +if (isset($_POST['after'])) { + $after = $_POST['after']; +} + +if (isset($_GET['dup'])) { + $id = $_GET['dup']; + $after = $_GET['dup']; +} + +if (isset($id) && $a_1to1[$id]) { + $pconfig['disabled'] = isset($a_1to1[$id]['disabled']); + + address_to_pconfig($a_1to1[$id]['source'], $pconfig['src'], + $pconfig['srcmask'], $pconfig['srcnot'], + $pconfig['srcbeginport'], $pconfig['srcendport']); + + address_to_pconfig($a_1to1[$id]['destination'], $pconfig['dst'], + $pconfig['dstmask'], $pconfig['dstnot'], + $pconfig['dstbeginport'], $pconfig['dstendport']); + + $pconfig['interface'] = $a_1to1[$id]['interface']; + if (!$pconfig['interface']) { + $pconfig['interface'] = "wan"; + } + + $pconfig['external'] = $a_1to1[$id]['external']; + $pconfig['descr'] = $a_1to1[$id]['descr']; + $pconfig['natreflection'] = $a_1to1[$id]['natreflection']; +} else { + $pconfig['interface'] = "wan"; +} + +if (isset($_GET['dup'])) { + unset($id); +} + +if ($_POST) { + + unset($input_errors); + $pconfig = $_POST; + /* run through $_POST items encoding HTML entities so that the user + * cannot think he is slick and perform a XSS attack on the unwilling + */ + foreach ($_POST as $key => $value) { + $temp = str_replace(">", "", $value); + $newpost = htmlentities($temp); + + if($newpost != $temp) + $input_errors[] = sprintf(gettext("Invalid characters detected (%s). Please remove invalid characters and save again."),$temp); + } + + /* input validation */ + $reqdfields = explode(" ", "interface external"); + $reqdfieldsn = array(gettext("Interface"), gettext("External subnet")); + + if ($_POST['srctype'] == "single" || $_POST['srctype'] == "network") { + $reqdfields[] = "src"; + $reqdfieldsn[] = gettext("Source address"); + } + + if ($_POST['dsttype'] == "single" || $_POST['dsttype'] == "network") { + $reqdfields[] = "dst"; + $reqdfieldsn[] = gettext("Destination address"); + } + + do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors); + + if ($_POST['external']) { + $_POST['external'] = trim($_POST['external']); + } + if ($_POST['src']) { + $_POST['src'] = trim($_POST['src']); + } + if ($_POST['dst']) { + $_POST['dst'] = trim($_POST['dst']); + } + + if (is_specialnet($_POST['srctype'])) { + $_POST['src'] = $_POST['srctype']; + $_POST['srcmask'] = 0; + } else if ($_POST['srctype'] == "single") { + $_POST['srcmask'] = 32; + } + + if (is_specialnet($_POST['dsttype'])) { + $_POST['dst'] = $_POST['dsttype']; + $_POST['dstmask'] = 0; + } else if ($_POST['dsttype'] == "single") { + $_POST['dstmask'] = 32; + } else if (is_ipaddr($_POST['dsttype'])) { + $_POST['dst'] = $_POST['dsttype']; + $_POST['dstmask'] = 32; + $_POST['dsttype'] = "single"; + } + + /* For external, user can enter only ip's */ + if (($_POST['external'] && !is_ipaddr($_POST['external']))) { + $input_errors[] = gettext("A valid external subnet must be specified."); + } + + /* For dst, if user enters an alias and selects "network" then disallow. */ + if ($_POST['dsttype'] == "network" && is_alias($_POST['dst'])) { + $input_errors[] = gettext("You must specify single host or alias for alias entries."); + } + + /* For src, user can enter only ip's or networks */ + if (!is_specialnet($_POST['srctype'])) { + if (($_POST['src'] && !is_ipaddr($_POST['src']))) { + $input_errors[] = sprintf(gettext("%s is not a valid internal IP address."), $_POST['src']); + } + + if (($_POST['srcmask'] && !is_numericint($_POST['srcmask']))) { + $input_errors[] = gettext("A valid internal bit count must be specified."); + } + } + + /* For dst, user can enter ip's, networks or aliases */ + if (!is_specialnet($_POST['dsttype'])) { + if (($_POST['dst'] && !is_ipaddroralias($_POST['dst']))) { + $input_errors[] = sprintf(gettext("%s is not a valid destination IP address or alias."), $_POST['dst']); + } + + if (($_POST['dstmask'] && !is_numericint($_POST['dstmask']))) { + $input_errors[] = gettext("A valid destination bit count must be specified."); + } + } + + /* check for overlaps with other 1:1 */ + foreach ($a_1to1 as $natent) { + if (isset($id) && ($a_1to1[$id]) && ($a_1to1[$id] === $natent)) { + continue; + } + + if (check_subnets_overlap($_POST['internal'], $_POST['subnet'], $natent['internal'], $natent['subnet'])) { + //$input_errors[] = "Another 1:1 rule overlaps with the specified internal subnet."; + //break; + } + } + + if (!$input_errors) { + $natent = array(); + + $natent['disabled'] = isset($_POST['disabled']) ? true:false; + $natent['external'] = $_POST['external']; + $natent['descr'] = $_POST['descr']; + $natent['interface'] = $_POST['interface']; + + pconfig_to_address($natent['source'], $_POST['src'], + $_POST['srcmask'], $_POST['srcnot']); + + pconfig_to_address($natent['destination'], $_POST['dst'], + $_POST['dstmask'], $_POST['dstnot']); + + if ($_POST['natreflection'] == "enable" || $_POST['natreflection'] == "disable") { + $natent['natreflection'] = $_POST['natreflection']; + } else { + unset($natent['natreflection']); + } + + if (isset($id) && $a_1to1[$id]) { + $a_1to1[$id] = $natent; + } else { + if (is_numeric($after)) { + array_splice($a_1to1, $after+1, 0, array($natent)); + } else { + $a_1to1[] = $natent; + } + } + + if (write_config()) { + mark_subsystem_dirty('natconf'); + } + header("Location: firewall_nat_1to1.php"); + exit; + } +} + +$pgtitle = array(gettext("Firewall"), gettext("NAT"), gettext("1:1"), gettext("Edit")); +include("head.inc"); + +function build_srctype_list() { + global $pconfig, $ifdisp; + + $list = array('any' => 'Any', 'single' => 'Single host or alias', 'network' => 'Network'); + + $sel = is_specialnet($pconfig['src']); + + if(have_ruleint_access("pptp")) + $list['pptp'] = 'PPTP clients'; + + if(have_ruleint_access("pppoe")) + $list['pppoe'] = 'PPPoE clients'; + + if(have_ruleint_access("l2tp")) + $list['l2tp'] = 'L2TP clients'; + + foreach ($ifdisp as $ifent => $ifdesc) { + if(have_ruleint_access($ifent)) { + $list[$ifent] = $ifdesc . ' net'; + $list[$ifent . 'ip'] = $ifdesc . ' address'; + } + } + + return($list); +} + +function srctype_selected() { + global $pconfig; + + $sel = is_specialnet($pconfig['src']); + + if(!$sel) { + if(($pconfig['srcmask'] == 32) || (!isset($pconfig['srcmask']))) + return('single'); + + return('network'); + } + + return($pconfig['src']); +} + +function build_dsttype_list() { + global $pconfig, $config, $ifdisp; + + $sel = is_specialnet($pconfig['dst']); + $list = array('any' => 'Any', 'single' => 'Single host or alias', 'network' => 'Network', '(self)' => 'This Firewall (self)'); + + if(have_ruleint_access("pptp")) + $list['pptp'] = 'PPTP clients'; + + if(have_ruleint_access("pppoe")) + $list['pppoe'] = 'PPPoE clients'; + + if(have_ruleint_access("l2tp")) + $list['l2tp'] = 'L2TP clients'; + + foreach ($ifdisp as $if => $ifdesc) { + if(have_ruleint_access($if)) { + $list[$if] = $ifdesc; + $list[$if . 'ip'] = $ifdesc . ' address'; + } + } + + if (is_array($config['virtualip']['vip'])) { + foreach ($config['virtualip']['vip'] as $sn) { + if (isset($sn['noexpand'])) + continue; + + if ($sn['mode'] == "proxyarp" && $sn['type'] == "network") { + $start = ip2long32(gen_subnet($sn['subnet'], $sn['subnet_bits'])); + $end = ip2long32(gen_subnet_max($sn['subnet'], $sn['subnet_bits'])); + $len = $end - $start; + + for ($i = 0; $i <= $len; $i++) { + $snip = long2ip32($start+$i); + + $list[$snip] = $snip . ' (' . $sn['descr'] . ')'; + } + + $list[$sn['subnet']] = $sn['subnet'] . ' (' . $sn['descr'] . ')'; + } + } + } + + return($list); +} + +function dsttype_selected() { + global $pconfig; + + $sel = is_specialnet($pconfig['dst']); + + if(empty($pconfig['dst'] || $pconfig['dst'] == "any")) + return('any'); + + if(!$sel) { + if($pconfig['dstmask'] == 32) + return('single'); + + return('network'); + } + + return($pconfig['dst']); +} + +if ($input_errors) + print_input_errors($input_errors); + +require('classes/Form.class.php'); + +$form = new Form(new Form_Button( + 'Submit', + gettext("Save") +)); + +$section = new Form_Section('Edit NAT 1 to 1 entry'); + +$section->addInput(new Form_Checkbox( + 'nordr', + 'No RDR (NOT)', + 'Disable redirection for traffic matching this rule', + $pconfig['nordr'] +))->setHelp('This option is rarely needed, don\'t use this unless you know what you\'re doing.'); + +$iflist = get_configured_interface_with_descr(false, true); + +foreach ($iflist as $if => $ifdesc) + if(have_ruleint_access($if)) + $interfaces[$if] = $ifdesc; + +if ($config['l2tp']['mode'] == "server") + if(have_ruleint_access("l2tp")) + $interfaces['l2tp'] = "L2TP VPN"; + +if ($config['pptpd']['mode'] == "server") + if(have_ruleint_access("pptp")) + $interfaces['pptp'] = "PPTP VPN"; + +if (is_pppoe_server_enabled() && have_ruleint_access("pppoe")) + $interfaces['pppoe'] = "PPPoE Server"; + +/* add ipsec interfaces */ +if (isset($config['ipsec']['enable']) || isset($config['ipsec']['client']['enable'])) + if(have_ruleint_access("enc0")) + $interfaces["enc0"] = "IPsec"; + +/* add openvpn/tun interfaces */ +if ($config['openvpn']["openvpn-server"] || $config['openvpn']["openvpn-client"]) + $interfaces["openvpn"] = "OpenVPN"; + +$section->addInput(new Form_Select( + 'interface', + 'Interface', + $pconfig['interface'], + $interfaces +))->setHelp('Choose which interface this rule applies to. In most cases "WAN" is specified.'); + +$section->addInput(new Form_IpAddress( + 'external', + 'External subnet IP', + $pconfig['external'] +))->setHelp('Enter the external (usually on a WAN) subnet\'s starting address for the 1:1 mapping. ' . + 'The subnet mask from the internal address below will be applied to this IP address.'); + +$group = new Form_Group('Internal IP'); + +$group->add(new Form_Checkbox( + 'srcnot', + null, + 'Not', + $pconfig['srcnot'] +))->setHelp('Invert the sense of the match.'); + +$group->add(new Form_Select( + 'srctype', + null, + srctype_selected(), + build_srctype_list() +))->setHelp('Type'); + +$group->add(new Form_IpAddress( + 'src', + null, + is_specialnet($pconfig['src']) ? '': $pconfig['src'] +))->addMask('srcmask', $pconfig['srcmask'], 31)->setHelp('Address/mask'); + +$group->setHelp('Enter the internal (LAN) subnet for the 1:1 mapping. ' . + 'The subnet size specified for the internal subnet will be applied to the external subnet.'); + +$section->add($group); + +$group = new Form_Group('Destination'); + +$group->add(new Form_Checkbox( + 'dstnot', + null, + 'Not', + $pconfig['srcnot'] +))->setHelp('Invert the sense of the match.'); + +$group->add(new Form_Select( + 'dsttype', + null, + dsttype_selected(), + build_dsttype_list() +))->setHelp('Type'); + +$group->add(new Form_IpAddress( + 'dst', + null, + is_specialnet($pconfig['dst']) ? '': $pconfig['dst'] +))->addMask('dstmask', $pconfig['dstmask'], 31)->setHelp('Address/mask'); + +$group->setHelp('The 1:1 mapping will only be used for connections to or from the specified destination. Hint: this is usually "Any".'); + +$section->add($group); + +$section->addInput(new Form_Input( + 'descr', + 'Description', + 'text', + $pconfig['descr'] +))->setHelp('You may enter a description here for your reference (not parsed).'); + +$section->addInput(new Form_Select( + 'natreflection', + 'NAT reflection', + $pconfig['natreflection'], + array( + 'default' => 'Use system default', + 'enable' => 'Enable', + 'disable' => 'Disable' + ) +)); + +$form->add($section); + +print($form); +?> + +<script type="text/javascript"> +//<![CDATA[ +events.push(function(){ + + // Disables the specified input element + function disableInput(id, disable) { + $('#' + id).prop("disabled", disable); + } + + function typesel_change() { + switch ($('#srctype').find(":selected").index()) { + case 1: // single + disableInput('src', false); + $('#srcmask').val(''); + disableInput('srcmask', true); + break; + case 2: // network + disableInput('src', false); + disableInput('srcmask', false); + break; + default: + $('#src').val(''); + disableInput('src', true); + $('#srcmask').val(''); + disableInput('srcmask', true); + break; + } + + switch ($('#dsttype').find(":selected").index()) { + case 1: // single + disableInput('dst', false); + $('#dstmask').val(''); + disableInput('dstmask', true);; + break; + case 2: // network / + disableInput('dst', false); + disableInput('dstmask', false); + break; + default: + $('#dst').val(''); + disableInput('dst', true); + $('#dstmask').val(''); + disableInput('dstmask', true); + break; + } + } + + // On-click . . + + $('#srctype').click(function () { + typesel_change(); + }); + + $('#dsttype').click(function () { + typesel_change(); + }); + + // Initial page load + typesel_change(); +}); +//]]> +</script> + +<?php include("foot.inc"); |
