. 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: nat */ ##|+PRIV ##|*IDENT=page-firewall-nat-outbound-edit ##|*NAME=Firewall: NAT: Outbound: Edit page ##|*DESCR=Allow access to the 'Firewall: NAT: Outbound: Edit' page. ##|*MATCH=firewall_nat_out_edit.php* ##|-PRIV require("guiconfig.inc"); require_once("filter.inc"); require("shaper.inc"); $referer = (isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '/firewall_nat_out.php'); if (!is_array($config['nat']['outbound'])) { $config['nat']['outbound'] = array(); } if (!is_array($config['nat']['outbound']['rule'])) { $config['nat']['outbound']['rule'] = array(); } $a_out = &$config['nat']['outbound']['rule']; if (!is_array($config['aliases']['alias'])) { $config['aliases']['alias'] = array(); } $a_aliases = &$config['aliases']['alias']; if (is_numericint($_GET['id'])) { $id = $_GET['id']; } if (isset($_POST['id']) && is_numericint($_POST['id'])) { $id = $_POST['id']; } if (is_numericint($_GET['after']) || $_GET['after'] == "-1") { $after = $_GET['after']; } if (isset($_POST['after']) && (is_numericint($_POST['after']) || $_POST['after'] == "-1")) { $after = $_POST['after']; } if (isset($_GET['dup']) && is_numericint($_GET['dup'])) { $id = $_GET['dup']; $after = $_GET['dup']; } if (isset($id) && $a_out[$id]) { if (isset($a_out[$id]['created']) && is_array($a_out[$id]['created'])) { $pconfig['created'] = $a_out[$id]['created']; } if (isset($a_out[$id]['updated']) && is_array($a_out[$id]['updated'])) { $pconfig['updated'] = $a_out[$id]['updated']; } $pconfig['protocol'] = $a_out[$id]['protocol']; list($pconfig['source'],$pconfig['source_subnet']) = explode('/', $a_out[$id]['source']['network']); if (!is_numeric($pconfig['source_subnet'])) { $pconfig['source_subnet'] = 32; } $pconfig['sourceport'] = $a_out[$id]['sourceport']; address_to_pconfig($a_out[$id]['destination'], $pconfig['destination'], $pconfig['destination_subnet'], $pconfig['destination_not'], $none, $none); $pconfig['dstport'] = $a_out[$id]['dstport']; $pconfig['natport'] = $a_out[$id]['natport']; $pconfig['target'] = $a_out[$id]['target']; $pconfig['targetip'] = $a_out[$id]['targetip']; $pconfig['targetip_subnet'] = $a_out[$id]['targetip_subnet']; $pconfig['poolopts'] = $a_out[$id]['poolopts']; $pconfig['interface'] = $a_out[$id]['interface']; if (!$pconfig['interface']) { $pconfig['interface'] = "wan"; } $pconfig['descr'] = $a_out[$id]['descr']; $pconfig['nonat'] = $a_out[$id]['nonat']; $pconfig['disabled'] = isset($a_out[$id]['disabled']); $pconfig['staticnatport'] = isset($a_out[$id]['staticnatport']); $pconfig['nosync'] = isset($a_out[$id]['nosync']); } else { $pconfig['source_subnet'] = 24; $pconfig['destination'] = "any"; $pconfig['destination_subnet'] = 24; $pconfig['interface'] = "wan"; } if (isset($_GET['dup']) && is_numericint($_GET['dup'])) { unset($id); } if ($_POST) { if ($_POST['destination_type'] == "any") { $_POST['destination'] = "any"; $_POST['destination_subnet'] = 24; } if ($_POST['source_type'] == "any") { $_POST['source'] = "any"; $_POST['source_subnet'] = 24; } elseif ($_POST['source_type'] == "(self)") { $_POST['source'] = "(self)"; $_POST['source_subnet'] = 24; } unset($input_errors); $pconfig = $_POST; /* run through $_POST items encoding HTML entitles so that the user * cannot think he is slick and perform a XSS attack on the unwilling */ foreach ($_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 protocol source source_subnet destination destination_subnet"); $reqdfieldsn = array(gettext("Interface"),gettext("Protocol"),gettext("Source"),gettext("Source bit count"),gettext("Destination"),gettext("Destination bit count")); do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors); $protocol_uses_ports = in_array($_POST['protocol'], explode(" ", "any tcp udp tcp/udp")); if ($_POST['source']) { $_POST['source'] = trim($_POST['source']); } if ($_POST['destination']) { $_POST['destination'] = trim($_POST['destination']); } if ($_POST['targetip']) { $_POST['targetip'] = trim($_POST['targetip']); } if ($_POST['sourceport']) { $_POST['sourceport'] = trim($_POST['sourceport']); } if ($_POST['dstport']) { $_POST['dstport'] = trim($_POST['dstport']); } if ($_POST['natport']) { $_POST['natport'] = trim($_POST['natport']); } if ($protocol_uses_ports && $_POST['sourceport'] <> "" && !(is_portoralias($_POST['sourceport']) || is_portrange($_POST['sourceport']))) { $input_errors[] = gettext("You must supply either a valid port or port alias for the source port entry."); } if ($protocol_uses_ports && $_POST['dstport'] <> "" && !(is_portoralias($_POST['dstport']) || is_portrange($_POST['dstport']))) { $input_errors[] = gettext("You must supply either a valid port or port alias for the destination port entry."); } if ($protocol_uses_ports && $_POST['natport'] <> "" && !is_port($_POST['natport']) && !isset($_POST['nonat'])) { $input_errors[] = gettext("You must supply a valid port for the NAT port entry."); } if (($_POST['source_type'] != "any") && ($_POST['source_type'] != "(self)")) { if ($_POST['source'] && !is_ipaddroralias($_POST['source']) && $_POST['source'] <> "any") { $input_errors[] = gettext("A valid source must be specified."); } } if ($_POST['source_subnet'] && !is_numericint($_POST['source_subnet'])) { $input_errors[] = gettext("A valid source bit count must be specified."); } if ($_POST['destination_type'] != "any") { if ($_POST['destination'] && !is_ipaddroralias($_POST['destination'])) { $input_errors[] = gettext("A valid destination must be specified."); } } if ($_POST['destination_subnet'] && !is_numericint($_POST['destination_subnet'])) { $input_errors[] = gettext("A valid destination bit count must be specified."); } if ($_POST['destination_type'] == "any") { if ($_POST['destination_not']) { $input_errors[] = gettext("Negating destination address of \"any\" is invalid."); } } if ($_POST['target'] && !is_ipaddr($_POST['target']) && !is_subnet($_POST['target']) && !is_alias($_POST['target']) && !isset($_POST['nonat']) && !($_POST['target'] == "other-subnet")) { $input_errors[] = gettext("A valid target IP address must be specified."); } if ($_POST['target'] == "other-subnet") { if (!is_ipaddr($_POST['targetip'])) { $input_errors[] = gettext("A valid target IP must be specified when using the 'Other Subnet' type."); } if (!is_numericint($_POST['targetip_subnet'])) { $input_errors[] = gettext("A valid target bit count must be specified when using the 'Other Subnet' type."); } } /* Verify Pool Options */ $poolopts = ""; if ($_POST['poolopts']) { if (is_subnet($_POST['target']) || ($_POST['target'] == "other-subnet")) { $poolopts = $_POST['poolopts']; } elseif (is_alias($_POST['target'])) { if (substr($_POST['poolopts'], 0, 11) == "round-robin") { $poolopts = $_POST['poolopts']; } else { $input_errors[] = gettext("Only Round Robin pool options may be chosen when selecting an alias."); } } } /* if user has selected any as source, set it here */ if ($_POST['source_type'] == "any") { $osn = "any"; } else if ($_POST['source_type'] == "(self)") { $osn = "(self)"; } else if (is_alias($_POST['source'])) { $osn = $_POST['source']; } else { $osn = gen_subnet($_POST['source'], $_POST['source_subnet']) . "/" . $_POST['source_subnet']; } /* check for existing entries */ if ($_POST['destination_type'] == "any") { $ext = "any"; } else if (is_alias($_POST['destination'])) { $ext = $_POST['destination']; } else { $ext = gen_subnet($_POST['destination'], $_POST['destination_subnet']) . "/" . $_POST['destination_subnet']; } foreach ($a_out as $natent) { if (isset($id) && ($a_out[$id]) && ($a_out[$id] === $natent)) { continue; } if (!$natent['interface']) { $natent['interface'] == "wan"; } } // Allow extending of the firewall edit page and include custom input validation pfSense_handle_custom_code("/usr/local/pkg/firewall_aon/input_validation"); if (!$input_errors) { $natent = array(); $natent['source']['network'] = $osn; $natent['sourceport'] = ($protocol_uses_ports) ? $_POST['sourceport'] : ""; $natent['descr'] = $_POST['descr']; $natent['target'] = (!isset($_POST['nonat'])) ? $_POST['target'] : ""; $natent['targetip'] = (!isset($_POST['nonat'])) ? $_POST['targetip'] : ""; $natent['targetip_subnet'] = (!isset($_POST['nonat'])) ? $_POST['targetip_subnet'] : ""; $natent['interface'] = $_POST['interface']; $natent['poolopts'] = $poolopts; /* static-port */ if (isset($_POST['staticnatport']) && $protocol_uses_ports && !isset($_POST['nonat'])) { $natent['staticnatport'] = true; } else { unset($natent['staticnatport']); } if (isset($_POST['disabled'])) { $natent['disabled'] = true; } else { unset($natent['disabled']); } /* if user has selected not nat, set it here */ if (isset($_POST['nonat'])) { $natent['nonat'] = true; } else { unset($natent['nonat']); } if ($_POST['protocol'] && $_POST['protocol'] != "any") { $natent['protocol'] = $_POST['protocol']; } else { unset($natent['protocol']); } if ($ext == "any") { $natent['destination']['any'] = true; } else { $natent['destination']['address'] = $ext; } if ($_POST['natport'] != "" && $protocol_uses_ports && !isset($_POST['nonat'])) { $natent['natport'] = $_POST['natport']; } else { unset($natent['natport']); } if ($_POST['dstport'] != "" && $protocol_uses_ports) { $natent['dstport'] = $_POST['dstport']; } else { unset($natent['dstport']); } if ($_POST['nosync'] == "yes") { $natent['nosync'] = true; } else { unset($natent['nosync']); } if (isset($_POST['destination_not']) && $ext != "any") { $natent['destination']['not'] = true; } if (isset($a_out[$id]['created']) && is_array($a_out[$id]['created'])) { $natent['created'] = $a_out[$id]['created']; } $natent['updated'] = make_config_revision_entry(); // Allow extending of the firewall edit page and include custom input validation pfSense_handle_custom_code("/usr/local/pkg/firewall_aon/pre_write_config"); if (isset($id) && $a_out[$id]) { $a_out[$id] = $natent; } else { $natent['created'] = make_config_revision_entry(); if (is_numeric($after)) { array_splice($a_out, $after+1, 0, array($natent)); } else { $a_out[] = $natent; } } if (write_config()) { mark_subsystem_dirty('natconf'); } header("Location: firewall_nat_out.php"); exit; } } $pgtitle = array(gettext("Firewall"),gettext("NAT"),gettext("Outbound"),gettext("Edit")); $closehead = false; include("head.inc"); ?>
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