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<?php
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/*
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* ipsec.inc
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*
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* part of pfSense (https://www.pfsense.org)
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* Copyright (c) 2008 Shrew Soft Inc.
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* Copyright (c) 2007-2013 BSD Perimeter
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* Copyright (c) 2013-2016 Electric Sheep Fencing
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* Copyright (c) 2014-2021 Rubicon Communications, LLC (Netgate)
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* All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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require_once("filter.inc");
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require_once("auth.inc");
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require_once("certs.inc");
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require_once("interfaces.inc");
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/* IPsec defines */
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global $ipsec_loglevels;
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$ipsec_loglevels = array(
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"dmn" => gettext("Daemon"),
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"mgr" => gettext("SA Manager"),
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"ike" => gettext("IKE SA"),
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"chd" => gettext("IKE Child SA"),
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"job" => gettext("Job Processing"),
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"cfg" => gettext("Configuration backend"),
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"knl" => gettext("Kernel Interface"),
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"net" => gettext("Networking"),
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"asn" => gettext("ASN encoding"),
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"enc" => gettext("Message encoding"),
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"imc" => gettext("Integrity checker"),
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"imv" => gettext("Integrity Verifier"),
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"pts" => gettext("Platform Trust Service"),
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"tls" => gettext("TLS handler"),
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"esp" => gettext("IPsec traffic"),
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"lib" => gettext("StrongSwan Lib")
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);
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global $ipsec_log_sevs;
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$ipsec_log_sevs = array(
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'-1' => gettext('Silent'),
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'0' => gettext('Audit'),
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'1' => gettext('Control'),
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'2' => gettext('Diag'),
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'3' => gettext('Raw'),
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'4' => gettext('Highest')
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);
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global $ipsec_log_cats;
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$ipsec_log_cats = array(
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"dmn" => gettext("Daemon"),
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"mgr" => gettext("SA Manager"),
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"ike" => gettext("IKE SA"),
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"chd" => gettext("IKE Child SA"),
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"job" => gettext("Job Processing"),
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"cfg" => gettext("Configuration backend"),
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"knl" => gettext("Kernel Interface"),
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"net" => gettext("Networking"),
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"asn" => gettext("ASN encoding"),
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"enc" => gettext("Message encoding"),
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"imc" => gettext("Integrity checker"),
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"imv" => gettext("Integrity Verifier"),
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"pts" => gettext("Platform Trust Service"),
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"tls" => gettext("TLS handler"),
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"esp" => gettext("IPsec traffic"),
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"lib" => gettext("StrongSwan Lib")
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);
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global $ipsec_identifier_list;
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$ipsec_identifier_list = array(
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// 'ipv4' => array('desc' => gettext('IPv4 address'), 'mobile' => true),
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// 'ipv6' => array('desc' => gettext('IPv6 address'), 'mobile' => true),
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// 'rfc822' => array('desc' => gettext('RFC822'), 'mobile' => true),
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'none' => array('desc' => '', 'mobile' => true),
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'email' => array('desc' => gettext('E-mail address'), 'mobile' => true),
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'userfqdn' => array('desc' => gettext('User Fully Qualified Domain Name'), 'mobile' => true)
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// 'fqdn' => array('desc' => gettext('Fully Qualified Domain Name'), 'mobile' => true),
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// 'dns' => array('desc' => gettext('DNS'), 'mobile' => true),
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// 'asn1dn' => array('desc' => gettext('ASN.1 Distinguished Name'), 'mobile' => true),
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// 'asn1gn' => array('desc' => gettext('ASN.1 GN'), 'mobile' => true),
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// 'keyid' => array('desc' => gettext('KeyID'), 'mobile' => true)
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);
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global $my_identifier_list;
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$my_identifier_list = array(
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'myaddress' => array('desc' => gettext('My IP address'), 'mobile' => true),
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'address' => array('desc' => gettext('IP address'), 'mobile' => true),
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'fqdn' => array('desc' => gettext('Distinguished name'), 'mobile' => true),
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'user_fqdn' => array('desc' => gettext('User distinguished name'), 'mobile' => true),
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'asn1dn' => array('desc' => gettext('ASN.1 distinguished Name'), 'mobile' => true),
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'keyid tag' => array('desc' => gettext('KeyID tag'), 'mobile' => true),
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'dyn_dns' => array('desc' => gettext('Dynamic DNS'), 'mobile' => true)
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);
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global $peer_identifier_list;
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$peer_identifier_list = array(
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'any' => array('desc' => gettext('Any'), 'mobile' => true),
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'peeraddress' => array('desc' => gettext('Peer IP address'), 'mobile' => false),
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'address' => array('desc' => gettext('IP address'), 'mobile' => false),
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'fqdn' => array('desc' => gettext('Distinguished name'), 'mobile' => true),
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'user_fqdn' => array('desc' => gettext('User distinguished name'), 'mobile' => true),
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'asn1dn' => array('desc' => gettext('ASN.1 distinguished Name'), 'mobile' => true),
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'keyid tag' => array('desc' =>gettext('KeyID tag'), 'mobile' => true)
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);
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global $ipsec_idhandling;
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$ipsec_idhandling = array(
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'replace' => 'Yes (Replace)', 'no' => 'No', 'never' => 'Never', 'keep' => 'Keep'
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);
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global $p1_ealgos;
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$p1_ealgos = array(
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'aes' => array('name' => 'AES', 'keysel' => array('lo' => 128, 'hi' => 256, 'step' => 64)),
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'aes128gcm' => array('name' => 'AES128-GCM', 'keysel' => array('lo' => 64, 'hi' => 128, 'step' => 32)),
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'aes192gcm' => array('name' => 'AES192-GCM', 'keysel' => array('lo' => 64, 'hi' => 128, 'step' => 32)),
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'aes256gcm' => array('name' => 'AES256-GCM', 'keysel' => array('lo' => 64, 'hi' => 128, 'step' => 32)),
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'blowfish' => array('name' => 'Blowfish', 'keysel' => array('lo' => 128, 'hi' => 256, 'step' => 64)),
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'3des' => array('name' => '3DES'),
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'cast128' => array('name' => 'CAST128')
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);
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global $p2_ealgos;
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$p2_ealgos = array(
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'aes' => array('name' => 'AES', 'keysel' => array('lo' => 128, 'hi' => 256, 'step' => 64)),
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'aes128gcm' => array('name' => 'AES128-GCM', 'keysel' => array('lo' => 64, 'hi' => 128, 'step' => 32)),
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'aes192gcm' => array('name' => 'AES192-GCM', 'keysel' => array('lo' => 64, 'hi' => 128, 'step' => 32)),
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'aes256gcm' => array('name' => 'AES256-GCM', 'keysel' => array('lo' => 64, 'hi' => 128, 'step' => 32)),
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'blowfish' => array('name' => 'Blowfish', 'keysel' => array('lo' => 128, 'hi' => 256, 'step' => 64)),
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'3des' => array('name' => '3DES'),
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'cast128' => array('name' => 'CAST128')
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);
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global $p1_halgos;
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$p1_halgos = array(
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'md5' => 'MD5',
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'sha1' => 'SHA1',
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'sha256' => 'SHA256',
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'sha384' => 'SHA384',
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'sha512' => 'SHA512',
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'aesxcbc' => 'AES-XCBC'
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);
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global $p1_dhgroups;
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$p1_dhgroups = array(
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1 => '1 (768 bit)',
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2 => '2 (1024 bit)',
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5 => '5 (1536 bit)',
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14 => '14 (2048 bit)',
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15 => '15 (3072 bit)',
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16 => '16 (4096 bit)',
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17 => '17 (6144 bit)',
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18 => '18 (8192 bit)',
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19 => '19 (nist ecp256)',
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20 => '20 (nist ecp384)',
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21 => '21 (nist ecp521)',
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22 => '22 (1024(sub 160) bit)',
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23 => '23 (2048(sub 224) bit)',
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24 => '24 (2048(sub 256) bit)',
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25 => '25 (nist ecp192)',
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26 => '26 (nist ecp224)',
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27 => '27 (brainpool ecp224)',
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28 => '28 (brainpool ecp256)',
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29 => '29 (brainpool ecp384)',
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30 => '30 (brainpool ecp512)',
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31 => '31 (Elliptic Curve 25519, 256 bit)',
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32 => '32 (Elliptic Curve 25519, 448 bit)',
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);
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global $p2_halgos;
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$p2_halgos = array(
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'hmac_md5' => 'MD5',
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'hmac_sha1' => 'SHA1',
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'hmac_sha256' => 'SHA256',
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'hmac_sha384' => 'SHA384',
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'hmac_sha512' => 'SHA512',
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'aesxcbc' => 'AES-XCBC'
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);
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global $p1_authentication_methods;
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$p1_authentication_methods = array(
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'hybrid_cert_server' => array('name' => gettext('Hybrid Certificate + Xauth'), 'mobile' => true),
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'xauth_cert_server' => array('name' => gettext('Mutual Certificate + Xauth'), 'mobile' => true),
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'xauth_psk_server' => array('name' => gettext('Mutual PSK + Xauth'), 'mobile' => true),
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'eap-tls' => array('name' => gettext('EAP-TLS'), 'mobile' => true),
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'eap-radius' => array('name' => gettext('EAP-RADIUS'), 'mobile' => true),
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'eap-mschapv2' => array('name' => gettext('EAP-MSChapv2'), 'mobile' => true),
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'cert' => array('name' => gettext('Mutual Certificate'), 'mobile' => false),
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'pkcs11' => array('name' => gettext('Mutual Certificate (PKCS#11)'), 'mobile' => false),
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'pre_shared_key' => array('name' => gettext('Mutual PSK'), 'mobile' => false)
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);
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global $ipsec_preshared_key_type;
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$ipsec_preshared_key_type = array(
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'PSK' => 'PSK',
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'EAP' => 'EAP'
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);
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global $ipsec_closeactions;
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$ipsec_closeactions = array(
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'' => gettext('Default'),
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'none' => gettext('Close connection and clear SA'),
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'start' => gettext('Restart/Reconnect'),
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'trap' => gettext('Close connection and reconnect on demand'),
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);
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global $p2_modes;
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$p2_modes = array(
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'tunnel' => gettext('Tunnel IPv4'),
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'tunnel6' => gettext('Tunnel IPv6'),
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'transport' => gettext('Transport'),
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'vti' => gettext('Routed (VTI)')
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);
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global $p2_protos;
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$p2_protos = array(
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'esp' => 'ESP',
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'ah' => 'AH'
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);
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global $p2_pfskeygroups;
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$p2_pfskeygroups = array(
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0 => gettext('off'),
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1 => gettext('1 (768 bit)'),
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2 => gettext('2 (1024 bit)'),
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5 => gettext('5 (1536 bit)'),
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14 => gettext('14 (2048 bit)'),
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15 => gettext('15 (3072 bit)'),
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16 => gettext('16 (4096 bit)'),
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17 => gettext('17 (6144 bit)'),
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18 => gettext('18 (8192 bit)'),
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19 => gettext('19 (nist ecp256)'),
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20 => gettext('20 (nist ecp384)'),
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21 => gettext('21 (nist ecp521)'),
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22 => gettext('22 (1024(sub 160) bit)'),
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23 => gettext('23 (2048(sub 224) bit)'),
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24 => gettext('24 (2048(sub 256) bit)'),
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25 => gettext('25 (nist ecp192)'),
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26 => gettext('26 (nist ecp224)'),
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27 => gettext('27 (brainpool ecp224)'),
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28 => gettext('28 (brainpool ecp256)'),
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29 => gettext('29 (brainpool ecp384)'),
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30 => gettext('30 (brainpool ecp512)'),
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31 => gettext('31 (Elliptic Curve 25519, 256 bit)'),
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32 => gettext('32 (Elliptic Curve 25519, 448 bit)'),
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);
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function ipsec_enabled() {
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global $config;
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261
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if (!isset($config['ipsec']) || !is_array($config['ipsec'])) {
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return false;
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}
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265
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266
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/* Check if we have at least one phase 1 entry. */
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267
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if (!isset($config['ipsec']['phase1']) ||
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!is_array($config['ipsec']['phase1']) ||
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empty($config['ipsec']['phase1'])) {
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return false;
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271
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}
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272
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/* Check if at least one phase 1 entry is enabled. */
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foreach ($config['ipsec']['phase1'] as $phase1) {
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if (!isset($phase1['disabled'])) {
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return true;
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}
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}
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return false;
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}
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281
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282
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/*
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283
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* ikeid management functions
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*/
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285
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function ipsec_ikeid_used($ikeid) {
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global $config;
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288
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foreach ($config['ipsec']['phase1'] as $ph1ent) {
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if ($ikeid == $ph1ent['ikeid']) {
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return true;
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}
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}
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return false;
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}
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298
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function ipsec_ikeid_next() {
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299
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300
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$ikeid = 1;
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301
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while (ipsec_ikeid_used($ikeid)) {
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$ikeid++;
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}
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return $ikeid;
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}
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308
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/*
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309
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* Return phase1 local address
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310
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*/
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311
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function ipsec_get_phase1_src(& $ph1ent) {
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312
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313
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if ($ph1ent['interface']) {
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if (substr($ph1ent['interface'], 0, 4) == "_vip") {
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$if = $ph1ent['interface'];
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} else {
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$if = get_failover_interface($ph1ent['interface']);
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}
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} else {
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$if = "wan";
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321
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}
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322
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$ip6 = get_interface_ipv6($if);
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$ip4 = get_interface_ip($if);
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if ($ph1ent['protocol'] == "inet6") {
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325
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$interfaceip = $ip6;
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} elseif ($ph1ent['protocol'] == "inet") {
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$interfaceip = $ip4;
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328
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} elseif ($ph1ent['protocol'] == "both") {
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329
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$ifips = array();
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330
|
if (!empty($ip4)) {
|
|
331
|
$ifips[] = $ip4;
|
|
332
|
}
|
|
333
|
if (!empty($ip6)) {
|
|
334
|
$ifips[] = $ip6;
|
|
335
|
}
|
|
336
|
$interfaceip = implode(',', $ifips);
|
|
337
|
}
|
|
338
|
|
|
339
|
return $interfaceip;
|
|
340
|
}
|
|
341
|
|
|
342
|
/*
|
|
343
|
* Return phase1 local address
|
|
344
|
*/
|
|
345
|
function ipsec_get_phase1_dst(& $ph1ent) {
|
|
346
|
global $g;
|
|
347
|
|
|
348
|
if (empty($ph1ent['remote-gateway'])) {
|
|
349
|
return false;
|
|
350
|
}
|
|
351
|
$rg = $ph1ent['remote-gateway'];
|
|
352
|
if (!is_ipaddr($rg)) {
|
|
353
|
if (!platform_booting()) {
|
|
354
|
return resolve_retry($rg, $ph1ent['protocol']);
|
|
355
|
}
|
|
356
|
}
|
|
357
|
if (!is_ipaddr($rg)) {
|
|
358
|
return false;
|
|
359
|
}
|
|
360
|
|
|
361
|
return $rg;
|
|
362
|
}
|
|
363
|
|
|
364
|
/*
|
|
365
|
* Return phase2 idinfo in cidr format
|
|
366
|
*/
|
|
367
|
function ipsec_idinfo_to_cidr(& $idinfo, $addrbits = false, $mode = "") {
|
|
368
|
global $config;
|
|
369
|
|
|
370
|
switch ($idinfo['type']) {
|
|
371
|
case "address":
|
|
372
|
if ($addrbits) {
|
|
373
|
if ($mode == "tunnel6") {
|
|
374
|
return $idinfo['address']."/128";
|
|
375
|
} elseif (($mode == "vti") && is_ipaddrv4($idinfo['address'])) {
|
|
376
|
return $idinfo['address']."/30";
|
|
377
|
} elseif (($mode == "vti") && is_ipaddrv6($idinfo['address'])) {
|
|
378
|
return $idinfo['address']."/64";
|
|
379
|
} else {
|
|
380
|
return $idinfo['address']."/32";
|
|
381
|
}
|
|
382
|
} else {
|
|
383
|
return $idinfo['address'];
|
|
384
|
}
|
|
385
|
break; /* NOTREACHED */
|
|
386
|
case "network":
|
|
387
|
return "{$idinfo['address']}/{$idinfo['netbits']}";
|
|
388
|
break; /* NOTREACHED */
|
|
389
|
case "none":
|
|
390
|
case "mobile":
|
|
391
|
return '0.0.0.0/0';
|
|
392
|
break; /* NOTREACHED */
|
|
393
|
default:
|
|
394
|
if (empty($mode) && !empty($idinfo['mode'])) {
|
|
395
|
$mode = $idinfo['mode'];
|
|
396
|
}
|
|
397
|
|
|
398
|
if ($mode == "tunnel6") {
|
|
399
|
$address = get_interface_ipv6($idinfo['type']);
|
|
400
|
$netbits = get_interface_subnetv6($idinfo['type']);
|
|
401
|
$address = gen_subnetv6($address, $netbits);
|
|
402
|
return "{$address}/{$netbits}";
|
|
403
|
} else {
|
|
404
|
$address = get_interface_ip($idinfo['type']);
|
|
405
|
$netbits = get_interface_subnet($idinfo['type']);
|
|
406
|
$address = gen_subnet($address, $netbits);
|
|
407
|
return "{$address}/{$netbits}";
|
|
408
|
}
|
|
409
|
break; /* NOTREACHED */
|
|
410
|
}
|
|
411
|
}
|
|
412
|
|
|
413
|
/*
|
|
414
|
* Return phase2 idinfo in address/netmask format
|
|
415
|
*/
|
|
416
|
function ipsec_idinfo_to_subnet(& $idinfo, $addrbits = false) {
|
|
417
|
global $config;
|
|
418
|
|
|
419
|
switch ($idinfo['type']) {
|
|
420
|
case "address":
|
|
421
|
if ($addrbits) {
|
|
422
|
if ($idinfo['mode'] == "tunnel6") {
|
|
423
|
return $idinfo['address']."/128";
|
|
424
|
} else {
|
|
425
|
return $idinfo['address']."/255.255.255.255";
|
|
426
|
}
|
|
427
|
} else {
|
|
428
|
return $idinfo['address'];
|
|
429
|
}
|
|
430
|
break; /* NOTREACHED */
|
|
431
|
case "none":
|
|
432
|
case "network":
|
|
433
|
return $idinfo['address']."/".gen_subnet_mask($idinfo['netbits']);
|
|
434
|
break; /* NOTREACHED */
|
|
435
|
case "mobile":
|
|
436
|
return "0.0.0.0/0";
|
|
437
|
break; /* NOTREACHED */
|
|
438
|
default:
|
|
439
|
if ($idinfo['mode'] == "tunnel6") {
|
|
440
|
$address = get_interface_ipv6($idinfo['type']);
|
|
441
|
$netbits = get_interface_subnetv6($idinfo['type']);
|
|
442
|
$address = gen_subnetv6($address, $netbits);
|
|
443
|
return $address."/".$netbits;
|
|
444
|
} else {
|
|
445
|
$address = get_interface_ip($idinfo['type']);
|
|
446
|
$netbits = get_interface_subnet($idinfo['type']);
|
|
447
|
$address = gen_subnet($address, $netbits);
|
|
448
|
return $address."/".$netbits;
|
|
449
|
}
|
|
450
|
break; /* NOTREACHED */
|
|
451
|
}
|
|
452
|
}
|
|
453
|
|
|
454
|
/*
|
|
455
|
* Return phase2 idinfo in text format
|
|
456
|
*/
|
|
457
|
function ipsec_idinfo_to_text(& $idinfo) {
|
|
458
|
global $config;
|
|
459
|
|
|
460
|
switch ($idinfo['type']) {
|
|
461
|
case "address":
|
|
462
|
return $idinfo['address'];
|
|
463
|
break; /* NOTREACHED */
|
|
464
|
case "network":
|
|
465
|
return $idinfo['address']."/".$idinfo['netbits'];
|
|
466
|
break; /* NOTREACHED */
|
|
467
|
case "mobile":
|
|
468
|
return gettext("Mobile Client");
|
|
469
|
break; /* NOTREACHED */
|
|
470
|
case "none":
|
|
471
|
return gettext("None");
|
|
472
|
break; /* NOTREACHED */
|
|
473
|
default:
|
|
474
|
if (!empty($config['interfaces'][$idinfo['type']])) {
|
|
475
|
return convert_friendly_interface_to_friendly_descr($idinfo['type']);
|
|
476
|
} else {
|
|
477
|
return strtoupper($idinfo['type']);
|
|
478
|
}
|
|
479
|
break; /* NOTREACHED */
|
|
480
|
}
|
|
481
|
}
|
|
482
|
|
|
483
|
/*
|
|
484
|
* Return phase1 association for phase2
|
|
485
|
*/
|
|
486
|
function ipsec_lookup_phase1(& $ph2ent, & $ph1ent) {
|
|
487
|
global $config;
|
|
488
|
|
|
489
|
if (!is_array($config['ipsec'])) {
|
|
490
|
return false;
|
|
491
|
}
|
|
492
|
if (!is_array($config['ipsec']['phase1'])) {
|
|
493
|
return false;
|
|
494
|
}
|
|
495
|
if (empty($config['ipsec']['phase1'])) {
|
|
496
|
return false;
|
|
497
|
}
|
|
498
|
|
|
499
|
foreach ($config['ipsec']['phase1'] as $ph1tmp) {
|
|
500
|
if ($ph1tmp['ikeid'] == $ph2ent['ikeid']) {
|
|
501
|
$ph1ent = $ph1tmp;
|
|
502
|
return $ph1ent;
|
|
503
|
}
|
|
504
|
}
|
|
505
|
|
|
506
|
return false;
|
|
507
|
}
|
|
508
|
|
|
509
|
/*
|
|
510
|
* Check phase1 communications status
|
|
511
|
*/
|
|
512
|
function ipsec_phase1_status(&$ipsec_status, $ikeid) {
|
|
513
|
|
|
514
|
foreach ($ipsec_status as $ike) {
|
|
515
|
if ($ike['id'] == $ikeid) {
|
|
516
|
if ($ike['status'] == 'established') {
|
|
517
|
return true;
|
|
518
|
}
|
|
519
|
}
|
|
520
|
}
|
|
521
|
|
|
522
|
return false;
|
|
523
|
}
|
|
524
|
|
|
525
|
/*
|
|
526
|
* Check phase2 communications status
|
|
527
|
*/
|
|
528
|
function ipsec_phase2_status(&$ipsec_status, &$phase2) {
|
|
529
|
|
|
530
|
if (ipsec_lookup_phase1($ph2ent, $ph1ent)) {
|
|
531
|
return ipsec_phase1_status($ipsec_status, $ph1ent['ikeid']);
|
|
532
|
}
|
|
533
|
|
|
534
|
return false;
|
|
535
|
}
|
|
536
|
|
|
537
|
/*
|
|
538
|
* Wrapper to call pfSense_ipsec_list_sa() when IPsec is enabled
|
|
539
|
*/
|
|
540
|
function ipsec_list_sa() {
|
|
541
|
|
|
542
|
if (ipsec_enabled()) {
|
|
543
|
return pfSense_ipsec_list_sa();
|
|
544
|
}
|
|
545
|
|
|
546
|
return array();
|
|
547
|
}
|
|
548
|
|
|
549
|
/*
|
|
550
|
* Return dump of SPD table
|
|
551
|
*/
|
|
552
|
function ipsec_dump_spd() {
|
|
553
|
$fd = @popen("/sbin/setkey -DP", "r");
|
|
554
|
$spd = array();
|
|
555
|
if ($fd) {
|
|
556
|
while (!feof($fd)) {
|
|
557
|
$line = chop(fgets($fd));
|
|
558
|
if (!$line) {
|
|
559
|
continue;
|
|
560
|
}
|
|
561
|
if ($line == "No SPD entries.") {
|
|
562
|
break;
|
|
563
|
}
|
|
564
|
if ($line[0] != "\t") {
|
|
565
|
if (is_array($cursp)) {
|
|
566
|
$spd[] = $cursp;
|
|
567
|
}
|
|
568
|
$cursp = array();
|
|
569
|
$linea = explode(" ", $line);
|
|
570
|
$cursp['srcid'] = substr($linea[0], 0, strpos($linea[0], "["));
|
|
571
|
$cursp['dstid'] = substr($linea[1], 0, strpos($linea[1], "["));
|
|
572
|
$i = 0;
|
|
573
|
} else if (is_array($cursp)) {
|
|
574
|
$line = trim($line, "\t\r\n ");
|
|
575
|
$linea = explode(" ", $line);
|
|
576
|
switch ($i) {
|
|
577
|
case 1:
|
|
578
|
if ($linea[1] == "none") /* don't show default anti-lockout rule */ {
|
|
579
|
unset($cursp);
|
|
580
|
} else {
|
|
581
|
$cursp['dir'] = $linea[0];
|
|
582
|
}
|
|
583
|
break;
|
|
584
|
case 2:
|
|
585
|
$upperspec = explode("/", $linea[0]);
|
|
586
|
$cursp['proto'] = $upperspec[0];
|
|
587
|
list($cursp['src'], $cursp['dst']) = explode("-", $upperspec[2]);
|
|
588
|
$cursp['reqid'] = substr($upperspec[3], strpos($upperspec[3], "#")+1);
|
|
589
|
break;
|
|
590
|
}
|
|
591
|
}
|
|
592
|
$i++;
|
|
593
|
}
|
|
594
|
if (is_array($cursp) && count($cursp)) {
|
|
595
|
$spd[] = $cursp;
|
|
596
|
}
|
|
597
|
pclose($fd);
|
|
598
|
}
|
|
599
|
|
|
600
|
return $spd;
|
|
601
|
}
|
|
602
|
|
|
603
|
/*
|
|
604
|
* Return dump of SAD table
|
|
605
|
*/
|
|
606
|
function ipsec_dump_sad() {
|
|
607
|
$fd = @popen("/sbin/setkey -D", "r");
|
|
608
|
$sad = array();
|
|
609
|
if ($fd) {
|
|
610
|
while (!feof($fd)) {
|
|
611
|
$line = chop(fgets($fd));
|
|
612
|
if (!$line || $line[0] == " ") {
|
|
613
|
continue;
|
|
614
|
}
|
|
615
|
if ($line == "No SAD entries.") {
|
|
616
|
break;
|
|
617
|
}
|
|
618
|
if ($line[0] != "\t") {
|
|
619
|
if (is_array($cursa)) {
|
|
620
|
$sad[] = $cursa;
|
|
621
|
}
|
|
622
|
$cursa = array();
|
|
623
|
list($cursa['src'], $cursa['dst']) = explode(" ", $line);
|
|
624
|
} else {
|
|
625
|
$line = trim($line, "\t\n\r ");
|
|
626
|
$linea = explode(" ", $line);
|
|
627
|
foreach ($linea as $idx => $linee) {
|
|
628
|
if ($linee == 'esp' || $linee == 'ah' || $linee[0] == '#') {
|
|
629
|
$cursa['proto'] = $linee;
|
|
630
|
} else if (substr($linee, 0, 3) == 'spi') {
|
|
631
|
$cursa['spi'] = substr($linee, strpos($linee, 'x') + 1, -1);
|
|
632
|
} else if (substr($linee, 0, 5) == 'reqid') {
|
|
633
|
$cursa['reqid'] = substr($linee, strpos($linee, 'x') + 1, -1);
|
|
634
|
} else if (substr($linee, 0, 2) == 'E:') {
|
|
635
|
$cursa['ealgo'] = $linea[$idx + 1];
|
|
636
|
break;
|
|
637
|
} else if (substr($linee, 0, 2) == 'A:') {
|
|
638
|
$cursa['aalgo'] = $linea[$idx + 1];
|
|
639
|
break;
|
|
640
|
} else if (substr($linee, 0, 8) == 'current:') {
|
|
641
|
$cursa['data'] = substr($linea[$idx + 1], 0, strpos($linea[$idx + 1], 'bytes') - 1) . ' B';
|
|
642
|
break;
|
|
643
|
}
|
|
644
|
}
|
|
645
|
}
|
|
646
|
}
|
|
647
|
if (is_array($cursa) && count($cursa)) {
|
|
648
|
$sad[] = $cursa;
|
|
649
|
}
|
|
650
|
pclose($fd);
|
|
651
|
}
|
|
652
|
|
|
653
|
return $sad;
|
|
654
|
}
|
|
655
|
|
|
656
|
/*
|
|
657
|
* Return dump of mobile user list
|
|
658
|
*/
|
|
659
|
function ipsec_dump_mobile() {
|
|
660
|
global $g, $config;
|
|
661
|
|
|
662
|
if(!isset($config['ipsec']['client']['enable'])) {
|
|
663
|
return array();
|
|
664
|
}
|
|
665
|
|
|
666
|
/* Fetch the pool contents and leases from swanctl. */
|
|
667
|
$_gb = exec("/usr/local/sbin/swanctl --list-pools --leases 2>/dev/null", $output, $rc);
|
|
668
|
|
|
669
|
if ($rc != 0) {
|
|
670
|
log_error(gettext("Unable to find IPsec daemon leases file. Could not display mobile user stats!"));
|
|
671
|
return array();
|
|
672
|
}
|
|
673
|
|
|
674
|
$response = array(
|
|
675
|
'pool' => array(),
|
|
676
|
);
|
|
677
|
|
|
678
|
/* swanctl --list-pools --leases example output, field names can be confirmed by
|
|
679
|
* looking at --raw or --pretty output. */
|
|
680
|
/* mobile-pool 10.7.200.0 0 / 1 / 254 */
|
|
681
|
$pool_regex='/^(?P<name>\S+)\s+(?P<base>\S+)\s+(?P<online>\d+) \/ (?P<offline>\d+) \/ (?P<size>\d+)/';
|
|
682
|
/* 10.7.200.1 online 'jimp' */
|
|
683
|
$lease_regex='/\s*(?P<host>[\d\.]+)\s+(?P<status>online|offline)\s+\'(?P<id>.*)\'/';
|
|
684
|
foreach ($output as $line) {
|
|
685
|
if (preg_match($pool_regex, $line, $matches)) {
|
|
686
|
$id++;
|
|
687
|
$response['pool'][$id] = array(
|
|
688
|
'name' => $matches['name'],
|
|
689
|
'base' => $matches['base'],
|
|
690
|
'online' => $matches['online'],
|
|
691
|
'offline' => $matches['offline'],
|
|
692
|
'size' => $matches['size'],
|
|
693
|
);
|
|
694
|
} elseif (preg_match($lease_regex, $line, $matches)) {
|
|
695
|
$response['pool'][$id]['lease'][] = array(
|
|
696
|
'host' => $matches['host'],
|
|
697
|
'status' => $matches['status'],
|
|
698
|
'id' => $matches['id']
|
|
699
|
);
|
|
700
|
}
|
|
701
|
}
|
|
702
|
|
|
703
|
unset($_gb, $output, $rc, $pool_regex);
|
|
704
|
|
|
705
|
return $response;
|
|
706
|
}
|
|
707
|
|
|
708
|
function ipsec_mobilekey_sort() {
|
|
709
|
global $config;
|
|
710
|
|
|
711
|
function mobilekeycmp($a, $b) {
|
|
712
|
return strcmp($a['ident'][0], $b['ident'][0]);
|
|
713
|
}
|
|
714
|
|
|
715
|
usort($config['ipsec']['mobilekey'], "mobilekeycmp");
|
|
716
|
}
|
|
717
|
|
|
718
|
function ipsec_get_number_of_phase2($ikeid) {
|
|
719
|
global $config;
|
|
720
|
$a_phase2 = $config['ipsec']['phase2'];
|
|
721
|
|
|
722
|
$nbph2 = 0;
|
|
723
|
|
|
724
|
if (is_array($a_phase2) && count($a_phase2)) {
|
|
725
|
foreach ($a_phase2 as $ph2tmp) {
|
|
726
|
if ($ph2tmp['ikeid'] == $ikeid) {
|
|
727
|
$nbph2++;
|
|
728
|
}
|
|
729
|
}
|
|
730
|
}
|
|
731
|
|
|
732
|
return $nbph2;
|
|
733
|
}
|
|
734
|
|
|
735
|
function ipsec_get_descr($ikeid) {
|
|
736
|
global $config;
|
|
737
|
|
|
738
|
if (!isset($config['ipsec']['phase1']) ||
|
|
739
|
!is_array($config['ipsec']['phase1'])) {
|
|
740
|
return '';
|
|
741
|
}
|
|
742
|
|
|
743
|
foreach ($config['ipsec']['phase1'] as $p1) {
|
|
744
|
if ($p1['ikeid'] == $ikeid) {
|
|
745
|
return $p1['descr'];
|
|
746
|
}
|
|
747
|
}
|
|
748
|
|
|
749
|
return '';
|
|
750
|
}
|
|
751
|
|
|
752
|
function ipsec_get_phase1($ikeid) {
|
|
753
|
global $config;
|
|
754
|
|
|
755
|
if (!isset($config['ipsec']['phase1']) ||
|
|
756
|
!is_array($config['ipsec']['phase1'])) {
|
|
757
|
return '';
|
|
758
|
}
|
|
759
|
|
|
760
|
$a_phase1 = $config['ipsec']['phase1'];
|
|
761
|
foreach ($a_phase1 as $p1) {
|
|
762
|
if ($p1['ikeid'] == $ikeid) {
|
|
763
|
return $p1;
|
|
764
|
}
|
|
765
|
}
|
|
766
|
unset($a_phase1);
|
|
767
|
}
|
|
768
|
|
|
769
|
function ipsec_fixup_ip($ipaddr) {
|
|
770
|
if (is_ipaddrv6($ipaddr) || is_subnetv6($ipaddr)) {
|
|
771
|
return text_to_compressed_ip6($ipaddr);
|
|
772
|
} else {
|
|
773
|
return $ipaddr;
|
|
774
|
}
|
|
775
|
}
|
|
776
|
|
|
777
|
function ipsec_find_id(& $ph1ent, $side = "local", $rgmap = array()) {
|
|
778
|
if ($side == "local") {
|
|
779
|
$id_type = $ph1ent['myid_type'];
|
|
780
|
$id_data = $ph1ent['myid_data'];
|
|
781
|
|
|
782
|
$addr = ipsec_get_phase1_src($ph1ent);
|
|
783
|
if (!$addr) {
|
|
784
|
return array();
|
|
785
|
}
|
|
786
|
/* When automatically guessing, use the first address. */
|
|
787
|
$addr = explode(',', $addr);
|
|
788
|
$addr = $addr[0];
|
|
789
|
} elseif ($side == "peer") {
|
|
790
|
$id_type = $ph1ent['peerid_type'];
|
|
791
|
$id_data = $ph1ent['peerid_data'];
|
|
792
|
|
|
793
|
if (isset($ph1ent['mobile'])) {
|
|
794
|
$addr = "%any";
|
|
795
|
} else {
|
|
796
|
$addr = $ph1ent['remote-gateway'];
|
|
797
|
}
|
|
798
|
} else {
|
|
799
|
return array();
|
|
800
|
}
|
|
801
|
|
|
802
|
|
|
803
|
$thisid_type = $id_type;
|
|
804
|
switch ($thisid_type) {
|
|
805
|
case 'myaddress':
|
|
806
|
$thisid_type = 'address';
|
|
807
|
$thisid_data = $addr;
|
|
808
|
break;
|
|
809
|
case 'dyn_dns':
|
|
810
|
$thisid_type = 'dns';
|
|
811
|
$thisid_data = $id_data;
|
|
812
|
break;
|
|
813
|
case 'peeraddress':
|
|
814
|
$thisid_type = 'address';
|
|
815
|
$thisid_data = $rgmap[$ph1ent['remote-gateway']];
|
|
816
|
break;
|
|
817
|
case 'address':
|
|
818
|
$thisid_data = $id_data;
|
|
819
|
break;
|
|
820
|
case 'fqdn':
|
|
821
|
$thisid_data = "{$id_data}";
|
|
822
|
break;
|
|
823
|
case 'keyid tag':
|
|
824
|
$thisid_type = 'keyid';
|
|
825
|
$thisid_data = "{$id_data}";
|
|
826
|
break;
|
|
827
|
case 'user_fqdn':
|
|
828
|
$thisid_type = 'userfqdn';
|
|
829
|
$thisid_data = "{$id_data}";
|
|
830
|
break;
|
|
831
|
case 'asn1dn':
|
|
832
|
$thisid_data = $id_data;
|
|
833
|
break;
|
|
834
|
}
|
|
835
|
return array($thisid_type, $thisid_data);
|
|
836
|
}
|
|
837
|
|
|
838
|
/*
|
|
839
|
* Fixup ID type/data to include prefix when necessary, add quotes, etc.
|
|
840
|
*/
|
|
841
|
function ipsec_fixup_id($type, $data) {
|
|
842
|
/* List of types to pass through as-is without changes or adding prefix */
|
|
843
|
$auto_types = array('address');
|
|
844
|
/* List of types which need the resulting string double quoted. */
|
|
845
|
$quote_types = array('keyid', 'asn1dn');
|
|
846
|
|
|
847
|
/* If the first character of asn1dn type data is not #, then rely on
|
|
848
|
* automatic parsing https://redmine.pfsense.org/issues/4792 */
|
|
849
|
if (($type == 'asn1dn') && !empty($data) && ($data[0] != '#')) {
|
|
850
|
$auto_types[] = 'asn1dn';
|
|
851
|
}
|
|
852
|
|
|
853
|
if ($type == 'any') {
|
|
854
|
$idstring = "";
|
|
855
|
} elseif (!in_array($type, $auto_types)) {
|
|
856
|
$idstring = "{$type}:{$data}";
|
|
857
|
} else {
|
|
858
|
$idstring = $data;
|
|
859
|
}
|
|
860
|
|
|
861
|
if (in_array($type, $quote_types)) {
|
|
862
|
$idstring = "\"{$idstring}\"";
|
|
863
|
}
|
|
864
|
|
|
865
|
return $idstring;
|
|
866
|
}
|
|
867
|
|
|
868
|
function ipsec_fixup_network($network) {
|
|
869
|
if (substr($network, -3) == '|/0') {
|
|
870
|
$result = substr($network, 0, -3);
|
|
871
|
} else {
|
|
872
|
$tmp = explode('|', $network);
|
|
873
|
if (isset($tmp[1])) {
|
|
874
|
$result = $tmp[1];
|
|
875
|
} else {
|
|
876
|
$result = $tmp[0];
|
|
877
|
}
|
|
878
|
unset($tmp);
|
|
879
|
}
|
|
880
|
|
|
881
|
return $result;
|
|
882
|
}
|
|
883
|
|
|
884
|
function ipsec_new_reqid() {
|
|
885
|
global $config;
|
|
886
|
|
|
887
|
if (!is_array($config['ipsec']) || !is_array($config['ipsec']['phase2'])) {
|
|
888
|
return;
|
|
889
|
}
|
|
890
|
|
|
891
|
$ipsecreqid = lock('ipsecreqids', LOCK_EX);
|
|
892
|
$keyids = array();
|
|
893
|
$keyid = 1;
|
|
894
|
foreach ($config['ipsec']['phase2'] as $ph2) {
|
|
895
|
$keyids[$ph2['reqid']] = $ph2['reqid'];
|
|
896
|
}
|
|
897
|
|
|
898
|
for ($i = 1; $i < 16000; $i++) {
|
|
899
|
if (!isset($keyids[$i])) {
|
|
900
|
$keyid = $i;
|
|
901
|
break;
|
|
902
|
}
|
|
903
|
}
|
|
904
|
unlock($ipsecreqid);
|
|
905
|
|
|
906
|
return $keyid;
|
|
907
|
}
|
|
908
|
|
|
909
|
function ipsec_get_loglevels() {
|
|
910
|
global $config, $ipsec_log_cats;
|
|
911
|
$def_loglevel = '1';
|
|
912
|
|
|
913
|
$levels = array();
|
|
914
|
|
|
915
|
foreach (array_keys($ipsec_log_cats) as $cat) {
|
|
916
|
if (isset($config['ipsec']['logging'][$cat])) {
|
|
917
|
$levels[$cat] = $config['ipsec']['logging'][$cat];
|
|
918
|
} elseif (in_array($cat, array('ike', 'chd', 'cfg'))) {
|
|
919
|
$levels[$cat] = "2";
|
|
920
|
} else {
|
|
921
|
$levels[$cat] = $def_loglevel;
|
|
922
|
}
|
|
923
|
}
|
|
924
|
return $levels;
|
|
925
|
}
|
|
926
|
|
|
927
|
function ipsec_vti($ph1ent, $returnaddresses = false, $skipdisabled = true) {
|
|
928
|
global $config;
|
|
929
|
if (empty($ph1ent) || !is_array($ph1ent) || !is_array($config['ipsec']['phase2'])) {
|
|
930
|
return false;
|
|
931
|
}
|
|
932
|
|
|
933
|
$is_vti = false;
|
|
934
|
$vtisubnet_spec = array();
|
|
935
|
|
|
936
|
foreach ($config['ipsec']['phase2'] as $ph2ent) {
|
|
937
|
if ($ph1ent['ikeid'] != $ph2ent['ikeid']) {
|
|
938
|
continue;
|
|
939
|
}
|
|
940
|
if ($ph2ent['mode'] == 'vti') {
|
|
941
|
if ($returnaddresses) {
|
|
942
|
$vtisubnet_spec[] = array(
|
|
943
|
'left' => ipsec_idinfo_to_cidr($ph2ent['localid'], true, $ph2ent['mode']),
|
|
944
|
'right' => ipsec_idinfo_to_cidr($ph2ent['remoteid'], false, $ph2ent['mode']),
|
|
945
|
'descr' => $ph2ent['descr'],
|
|
946
|
);
|
|
947
|
}
|
|
948
|
if (!$skipdisabled && isset($ph2ent['disabled'])) {
|
|
949
|
continue;
|
|
950
|
} else {
|
|
951
|
$is_vti = true;
|
|
952
|
}
|
|
953
|
}
|
|
954
|
}
|
|
955
|
return ($returnaddresses) ? $vtisubnet_spec : $is_vti;
|
|
956
|
}
|
|
957
|
|
|
958
|
/* Called when IPsec is reloaded through rc.newipsecdns and similar, gives
|
|
959
|
* packages an opportunity to execute custom code when IPsec reloads.
|
|
960
|
*/
|
|
961
|
function ipsec_reload_package_hook() {
|
|
962
|
global $g, $config;
|
|
963
|
|
|
964
|
init_config_arr(array('installedpackages', 'package'));
|
|
965
|
foreach ($config['installedpackages']['package'] as $package) {
|
|
966
|
if (!file_exists("/usr/local/pkg/" . $package['configurationfile'])) {
|
|
967
|
continue;
|
|
968
|
}
|
|
969
|
|
|
970
|
$pkg_config = parse_xml_config_pkg("/usr/local/pkg/" . $package['configurationfile'], 'packagegui');
|
|
971
|
if (!empty($pkg_config['include_file']) &&
|
|
972
|
file_exists($pkg_config['include_file'])) {
|
|
973
|
require_once($pkg_config['include_file']);
|
|
974
|
}
|
|
975
|
if (empty($pkg_config['ipsec_reload_function'])) {
|
|
976
|
continue;
|
|
977
|
}
|
|
978
|
$pkg_ipsec_reload = $pkg_config['ipsec_reload_function'];
|
|
979
|
if (!function_exists($pkg_ipsec_reload)) {
|
|
980
|
continue;
|
|
981
|
}
|
|
982
|
$pkg_ipsec_reload();
|
|
983
|
}
|
|
984
|
}
|
|
985
|
|
|
986
|
/****f* certs/ipsec_convert_to_modp
|
|
987
|
* NAME
|
|
988
|
* ipsec_convert_to_modp - Take a DH Group number value and return the
|
|
989
|
* associated name
|
|
990
|
* INPUTS
|
|
991
|
* $index: DH group index number to look up
|
|
992
|
* RESULT
|
|
993
|
* Returns the Diffie Hellman Group keyword associated with the group number.
|
|
994
|
******/
|
|
995
|
function ipsec_convert_to_modp($index) {
|
|
996
|
$modpmap = array(
|
|
997
|
'1' => 'modp768',
|
|
998
|
'2' => 'modp1024',
|
|
999
|
'5' => 'modp1536',
|
|
1000
|
'14' => 'modp2048',
|
|
1001
|
'15' => 'modp3072',
|
|
1002
|
'16' => 'modp4096',
|
|
1003
|
'17' => 'modp6144',
|
|
1004
|
'18' => 'modp8192',
|
|
1005
|
'19' => 'ecp256',
|
|
1006
|
'20' => 'ecp384',
|
|
1007
|
'21' => 'ecp521',
|
|
1008
|
'22' => 'modp1024s160',
|
|
1009
|
'23' => 'modp2048s224',
|
|
1010
|
'24' => 'modp2048s256',
|
|
1011
|
'25' => 'ecp192',
|
|
1012
|
'26' => 'ecp224',
|
|
1013
|
'27' => 'ecp224bp',
|
|
1014
|
'28' => 'ecp256bp',
|
|
1015
|
'29' => 'ecp384bp',
|
|
1016
|
'30' => 'ecp512bp',
|
|
1017
|
'31' => 'curve25519',
|
|
1018
|
'32' => 'curve448',
|
|
1019
|
);
|
|
1020
|
|
|
1021
|
return $modpmap[$index];
|
|
1022
|
}
|
|
1023
|
|
|
1024
|
/*
|
|
1025
|
* Forcefully restart IPsec
|
|
1026
|
* This is required for when dynamic interfaces reload
|
|
1027
|
* For all other occasions the normal ipsec_configure()
|
|
1028
|
* will gracefully reload the settings without restarting
|
|
1029
|
*/
|
|
1030
|
function ipsec_force_reload($interface = "") {
|
|
1031
|
global $g, $config;
|
|
1032
|
|
|
1033
|
if (!ipsec_enabled()) {
|
|
1034
|
return;
|
|
1035
|
}
|
|
1036
|
|
|
1037
|
$ipseccfg = $config['ipsec'];
|
|
1038
|
|
|
1039
|
if (!empty($interface) && is_array($ipseccfg['phase1'])) {
|
|
1040
|
$found = false;
|
|
1041
|
foreach ($ipseccfg['phase1'] as $ipsec) {
|
|
1042
|
if (!isset($ipsec['disabled']) && ($ipsec['interface'] == $interface)) {
|
|
1043
|
$found = true;
|
|
1044
|
break;
|
|
1045
|
}
|
|
1046
|
}
|
|
1047
|
if (!$found) {
|
|
1048
|
log_error(sprintf(gettext("Ignoring IPsec reload since there are no tunnels on interface %s"), $interface));
|
|
1049
|
return;
|
|
1050
|
}
|
|
1051
|
}
|
|
1052
|
|
|
1053
|
/* If we get this far then we need to take action. */
|
|
1054
|
log_error(gettext("Forcefully reloading IPsec"));
|
|
1055
|
ipsec_configure();
|
|
1056
|
}
|
|
1057
|
|
|
1058
|
/****f* ipsec/ipsec_strongswan_confgen
|
|
1059
|
* NAME
|
|
1060
|
* ipsec_strongswan_confgen - Generate strongswan.conf style formatted output
|
|
1061
|
* From a multi-dimensional array.
|
|
1062
|
* INPUTS
|
|
1063
|
* $confarr: An array of key=value pairs or key=array entries for subsections.
|
|
1064
|
* $indent : A string of tabs used when indenting lines.
|
|
1065
|
* RESULT
|
|
1066
|
* Returns a string of key=value pairs with proper indenting, and with named
|
|
1067
|
* subsections enclosed in braces.
|
|
1068
|
* NOTES
|
|
1069
|
* Values starting with a "#" (comments) or "include " will be printed
|
|
1070
|
* directly without their associated key name.
|
|
1071
|
******/
|
|
1072
|
function ipsec_strongswan_confgen($confarr, $indent = "") {
|
|
1073
|
$confstr = "";
|
|
1074
|
/* Only process the contents if it's an array. */
|
|
1075
|
if (is_array($confarr)) {
|
|
1076
|
foreach ($confarr as $key => $value) {
|
|
1077
|
if (is_array($value)) {
|
|
1078
|
/* If the array is empty, do not print anything */
|
|
1079
|
if (empty($value)) {
|
|
1080
|
continue;
|
|
1081
|
}
|
|
1082
|
/* If this is an array, setup the subsection name
|
|
1083
|
* and structure, then call this function
|
|
1084
|
* recursively to walk the lower array. */
|
|
1085
|
$confstr .= "{$indent}{$key} {\n";
|
|
1086
|
$confstr .= ipsec_strongswan_confgen($value, $indent . "\t");
|
|
1087
|
$confstr .= "{$indent}}\n";
|
|
1088
|
} else {
|
|
1089
|
$confstr .= "{$indent}";
|
|
1090
|
if ((substr($value, 0 , 1) != '#') &&
|
|
1091
|
(substr($value, 0 , 8) != 'include ')) {
|
|
1092
|
/* Not a comment or include, print the key */
|
|
1093
|
$confstr .= "{$key} = ";
|
|
1094
|
}
|
|
1095
|
$confstr .= "{$value}\n";
|
|
1096
|
}
|
|
1097
|
}
|
|
1098
|
}
|
|
1099
|
return $confstr;
|
|
1100
|
}
|
|
1101
|
|
|
1102
|
global $g, $ipsec_swanctl_basedir, $ipsec_swanctl_dirs;
|
|
1103
|
$ipsec_swanctl_basedir = "{$g['varetc_path']}/ipsec";
|
|
1104
|
$ipsec_swanctl_dirs = array(
|
|
1105
|
'conf' => "{$ipsec_swanctl_basedir}/conf.d",
|
|
1106
|
'certpath' => "{$ipsec_swanctl_basedir}/x509",
|
|
1107
|
'capath' => "{$ipsec_swanctl_basedir}/x509ca",
|
|
1108
|
'aapath' => "{$ipsec_swanctl_basedir}/x509aa",
|
|
1109
|
'ocsppath' => "{$ipsec_swanctl_basedir}/x509ocsp",
|
|
1110
|
'crlpath' => "{$ipsec_swanctl_basedir}/x509crl",
|
|
1111
|
'acpath' => "{$ipsec_swanctl_basedir}/x509ac",
|
|
1112
|
'rsakeys' => "{$ipsec_swanctl_basedir}/rsa",
|
|
1113
|
'eckeys' => "{$ipsec_swanctl_basedir}/ecdsa",
|
|
1114
|
'keypath' => "{$ipsec_swanctl_basedir}/private",
|
|
1115
|
'pubkpath' => "{$ipsec_swanctl_basedir}/pubkey",
|
|
1116
|
'blisspath' => "{$ipsec_swanctl_basedir}/bliss",
|
|
1117
|
'pkcs8path' => "{$ipsec_swanctl_basedir}/pkcs8",
|
|
1118
|
'pkcs12path' => "{$ipsec_swanctl_basedir}/pkcs12",
|
|
1119
|
);
|
|
1120
|
|
|
1121
|
/****f* ipsec/ipsec_create_dirs
|
|
1122
|
* NAME
|
|
1123
|
* ipsec_create_dirs - Create default set of strongSwan configuration directories.
|
|
1124
|
* INPUTS
|
|
1125
|
* None
|
|
1126
|
* RESULT
|
|
1127
|
* Cleans up and creates strongSwan configuration directories and links.
|
|
1128
|
******/
|
|
1129
|
function ipsec_create_dirs() {
|
|
1130
|
global $config, $g, $ipsec_swanctl_basedir, $ipsec_swanctl_dirs;
|
|
1131
|
|
|
1132
|
/* Cleanup base paths to ensure old files are not left behind (#5238) */
|
|
1133
|
if (!empty($ipsec_swanctl_basedir)) {
|
|
1134
|
@rmdir_recursive($ipsec_swanctl_basedir, false);
|
|
1135
|
}
|
|
1136
|
/* Create directory structure */
|
|
1137
|
array_map('safe_mkdir', array_values($ipsec_swanctl_dirs));
|
|
1138
|
|
|
1139
|
/* Create and link strongSwan config */
|
|
1140
|
$ssdpath = "{$g['varetc_path']}/ipsec/strongswan.d";
|
|
1141
|
if (!file_exists($ssdpath) || !is_link($ssdpath)) {
|
|
1142
|
if (is_dir($ssdpath) && !is_link($ssdpath)) {
|
|
1143
|
@rmdir_recursive($ssdpath, false);
|
|
1144
|
} else {
|
|
1145
|
@unlink($ssdpath);
|
|
1146
|
}
|
|
1147
|
@symlink("/usr/local/etc/strongswan.d",
|
|
1148
|
$ssdpath);
|
|
1149
|
}
|
|
1150
|
if (!file_exists("/usr/local/etc/strongswan.conf") ||
|
|
1151
|
!is_link("/usr/local/etc/strongswan.conf")) {
|
|
1152
|
@unlink("/usr/local/etc/strongswan.conf");
|
|
1153
|
@symlink("{$g['varetc_path']}/ipsec/strongswan.conf",
|
|
1154
|
"/usr/local/etc/strongswan.conf");
|
|
1155
|
}
|
|
1156
|
}
|
|
1157
|
|
|
1158
|
/****f* ipsec/ipsec_setup_gwifs
|
|
1159
|
* NAME
|
|
1160
|
* ipsec_setup_gwifs - Setup IPsec-related interfaces and gateways
|
|
1161
|
* INPUTS
|
|
1162
|
* None
|
|
1163
|
* RESULT
|
|
1164
|
* Sets up VTI interfaces and gateways, populates ipsecpinghosts
|
|
1165
|
******/
|
|
1166
|
function ipsec_setup_gwifs() {
|
|
1167
|
global $g, $a_phase1, $a_phase2, $rgmap, $filterdns_list,
|
|
1168
|
$aggressive_mode_psk, $mobile_ipsec_auth, $ifacesuse,
|
|
1169
|
$ipsecpinghostsactive;
|
|
1170
|
/* resolve all local, peer addresses and setup pings */
|
|
1171
|
unset($iflist);
|
|
1172
|
if (is_array($a_phase1) && count($a_phase1)) {
|
|
1173
|
$ipsecpinghosts = array();
|
|
1174
|
/* step through each phase1 entry */
|
|
1175
|
foreach ($a_phase1 as $ph1ent) {
|
|
1176
|
if (isset($ph1ent['disabled'])) {
|
|
1177
|
continue;
|
|
1178
|
}
|
|
1179
|
|
|
1180
|
if (substr($ph1ent['interface'], 0, 4) == "_vip") {
|
|
1181
|
$vpninterface = get_configured_vip_interface($ph1ent['interface']);
|
|
1182
|
$ifacesuse[] = get_real_interface($vpninterface);
|
|
1183
|
} else {
|
|
1184
|
$vpninterface = get_failover_interface($ph1ent['interface']);
|
|
1185
|
if (substr($vpninterface, 0, 4) == "_vip") {
|
|
1186
|
$vpninterface = get_configured_vip_interface($vpninterface);
|
|
1187
|
$ifacesuse[] = get_real_interface($vpninterface);
|
|
1188
|
} elseif (!empty($vpninterface)) {
|
|
1189
|
$ifacesuse[] = $vpninterface;
|
|
1190
|
}
|
|
1191
|
}
|
|
1192
|
|
|
1193
|
if ($ph1ent['mode'] == "aggressive" && ($ph1ent['authentication_method'] == "pre_shared_key" || $ph1ent['authentication_method'] == "xauth_psk_server")) {
|
|
1194
|
$aggressive_mode_psk = true;
|
|
1195
|
}
|
|
1196
|
|
|
1197
|
$ikeid = $ph1ent['ikeid'];
|
|
1198
|
|
|
1199
|
$local_spec = ipsec_get_phase1_src($ph1ent);
|
|
1200
|
/* When automatically guessing, use the first address. */
|
|
1201
|
$local_spec = explode(',', $local_spec);
|
|
1202
|
$local_spec = $local_spec[0];
|
|
1203
|
if (!is_ipaddr($local_spec)) {
|
|
1204
|
log_error(sprintf(gettext("IPsec ERROR: Could not find phase 1 source for connection %s. Omitting from configuration file."), $ph1ent['descr']));
|
|
1205
|
continue;
|
|
1206
|
}
|
|
1207
|
|
|
1208
|
if (isset($ph1ent['mobile'])) {
|
|
1209
|
$mobile_ipsec_auth = $ph1ent['authentication_method'];
|
|
1210
|
continue;
|
|
1211
|
}
|
|
1212
|
|
|
1213
|
/* see if this tunnel has a hostname for the remote-gateway. If so,
|
|
1214
|
try to resolve it now and add it to the list for filterdns */
|
|
1215
|
$rg = $ph1ent['remote-gateway'];
|
|
1216
|
if (!is_ipaddr($rg)) {
|
|
1217
|
$filterdns_list[] = "{$rg}";
|
|
1218
|
add_hostname_to_watch($rg);
|
|
1219
|
if (!platform_booting()) {
|
|
1220
|
$rg = resolve_retry($rg, $ph1ent['protocol']);
|
|
1221
|
}
|
|
1222
|
if (!is_ipaddr($rg)) {
|
|
1223
|
continue;
|
|
1224
|
}
|
|
1225
|
}
|
|
1226
|
if (!isset($ph1ent['gw_duplicates']) && array_search($rg, $rgmap)) {
|
|
1227
|
log_error(sprintf(gettext("The remote gateway %s already exists on another phase 1 entry"), $rg));
|
|
1228
|
continue;
|
|
1229
|
}
|
|
1230
|
$rgmap[$ph1ent['remote-gateway']] = $rg;
|
|
1231
|
|
|
1232
|
$is_vti = false;
|
|
1233
|
if (is_array($a_phase2)) {
|
|
1234
|
/* step through each phase2 entry */
|
|
1235
|
foreach ($a_phase2 as $ph2ent) {
|
|
1236
|
if ($ph2ent['mode'] == 'vti') {
|
|
1237
|
$is_vti = true;
|
|
1238
|
}
|
|
1239
|
if (isset($ph2ent['disabled']) || ($ikeid != $ph2ent['ikeid'])) {
|
|
1240
|
continue;
|
|
1241
|
}
|
|
1242
|
|
|
1243
|
/* add an ipsec pinghosts entry */
|
|
1244
|
if ($ph2ent['pinghost']) {
|
|
1245
|
if (!is_array($iflist)) {
|
|
1246
|
$iflist = get_configured_interface_list();
|
|
1247
|
}
|
|
1248
|
$srcip = null;
|
|
1249
|
$local_subnet = ipsec_idinfo_to_cidr($ph2ent['localid'], true, $ph2ent['mode']);
|
|
1250
|
if (is_ipaddrv6($ph2ent['pinghost'])) {
|
|
1251
|
foreach ($iflist as $ifent => $ifname) {
|
|
1252
|
$interface_ip = get_interface_ipv6($ifent);
|
|
1253
|
if (!is_ipaddrv6($interface_ip)) {
|
|
1254
|
continue;
|
|
1255
|
}
|
|
1256
|
if (ip_in_subnet($interface_ip, $local_subnet)) {
|
|
1257
|
$srcip = $interface_ip;
|
|
1258
|
break;
|
|
1259
|
}
|
|
1260
|
}
|
|
1261
|
} else {
|
|
1262
|
foreach ($iflist as $ifent => $ifname) {
|
|
1263
|
$interface_ip = get_interface_ip($ifent);
|
|
1264
|
if (!is_ipaddrv4($interface_ip)) {
|
|
1265
|
continue;
|
|
1266
|
}
|
|
1267
|
if ($local_subnet == "0.0.0.0/0" || ip_in_subnet($interface_ip, $local_subnet)) {
|
|
1268
|
$srcip = $interface_ip;
|
|
1269
|
break;
|
|
1270
|
}
|
|
1271
|
}
|
|
1272
|
}
|
|
1273
|
/* if no valid src IP was found in configured interfaces, try the vips */
|
|
1274
|
if (is_null($srcip)) {
|
|
1275
|
$viplist = get_configured_vip_list();
|
|
1276
|
foreach ($viplist as $vip => $address) {
|
|
1277
|
if (ip_in_subnet($address, $local_subnet)) {
|
|
1278
|
$srcip = $address;
|
|
1279
|
break;
|
|
1280
|
}
|
|
1281
|
}
|
|
1282
|
}
|
|
1283
|
$dstip = $ph2ent['pinghost'];
|
|
1284
|
$family = "inet" . (is_ipaddrv6($dstip)) ? "6" : "";
|
|
1285
|
if (is_ipaddr($srcip)) {
|
|
1286
|
$ipsecpinghosts[] = "{$srcip}|{$dstip}|3|||||{$family}|\n";
|
|
1287
|
$ipsecpinghostsactive = true;
|
|
1288
|
}
|
|
1289
|
}
|
|
1290
|
}
|
|
1291
|
}
|
|
1292
|
if ($is_vti) {
|
|
1293
|
interface_ipsec_vti_configure($ph1ent);
|
|
1294
|
}
|
|
1295
|
}
|
|
1296
|
@file_put_contents("{$g['vardb_path']}/ipsecpinghosts", $ipsecpinghosts);
|
|
1297
|
unset($ipsecpinghosts);
|
|
1298
|
}
|
|
1299
|
unset($iflist);
|
|
1300
|
}
|
|
1301
|
|
|
1302
|
/****f* ipsec/ipsec_logging_config
|
|
1303
|
* NAME
|
|
1304
|
* ipsec_logging_config - Generate an array containing strongSwan logging
|
|
1305
|
* values.
|
|
1306
|
* INPUTS
|
|
1307
|
* None
|
|
1308
|
* RESULT
|
|
1309
|
* Returns an array which can be merged into the strongswan daemon logging
|
|
1310
|
* values so that each logging category is represented, even those not listed
|
|
1311
|
* in config.xml.
|
|
1312
|
******/
|
|
1313
|
function ipsec_logging_config() {
|
|
1314
|
global $config, $ipsec_log_cats, $ipsec_log_sevs;
|
|
1315
|
$logcfg = array();
|
|
1316
|
$log_levels = ipsec_get_loglevels();
|
|
1317
|
foreach (array_keys($ipsec_log_cats) as $cat) {
|
|
1318
|
if (is_numeric($log_levels[$cat]) &&
|
|
1319
|
in_array(intval($log_levels[$cat]), array_keys($ipsec_log_sevs), true)) {
|
|
1320
|
$logcfg[$cat] = $log_levels[$cat];
|
|
1321
|
}
|
|
1322
|
}
|
|
1323
|
return $logcfg;
|
|
1324
|
}
|
|
1325
|
|
|
1326
|
/****f* ipsec/ipsec_setup_strongswan
|
|
1327
|
* NAME
|
|
1328
|
* ipsec_setup_strongswan - Generate the strongswan.conf configuration file.
|
|
1329
|
* INPUTS
|
|
1330
|
* None
|
|
1331
|
* RESULT
|
|
1332
|
* Determines strongswan.conf values and crafts the configuration file in the
|
|
1333
|
* appropriate format.
|
|
1334
|
* NOTES
|
|
1335
|
* Called from ipsec_configure()
|
|
1336
|
******/
|
|
1337
|
function ipsec_setup_strongswan() {
|
|
1338
|
global $config, $g, $mobile_ipsec_auth, $a_client, $a_phase2, $aggressive_mode_psk, $ifacesuse;
|
|
1339
|
|
|
1340
|
/* strongswan.conf array */
|
|
1341
|
$ssconf = array();
|
|
1342
|
$ssconf[] = "# Automatically generated config file - DO NOT MODIFY. Changes will be overwritten.";
|
|
1343
|
$ssconf['starter'] = array();
|
|
1344
|
$ssconf['starter']['load_warning'] = "no";
|
|
1345
|
|
|
1346
|
$ssconf['charon'] = array();
|
|
1347
|
$ssconf['charon'][] = '# number of worker threads in charon';
|
|
1348
|
$ssconf['charon']['threads'] = '16';
|
|
1349
|
$ssconf['charon']['ikesa_table_size'] = '32';
|
|
1350
|
$ssconf['charon']['ikesa_table_segments'] = '4';
|
|
1351
|
$ssconf['charon']['init_limit_half_open'] = '1000';
|
|
1352
|
$ssconf['charon']['install_routes'] = 'no';
|
|
1353
|
$ssconf['charon']['load_modular'] = 'yes';
|
|
1354
|
$ssconf['charon']['ignore_acquire_ts'] = 'yes';
|
|
1355
|
|
|
1356
|
if ($aggressive_mode_psk) {
|
|
1357
|
$stronconf = '';
|
|
1358
|
if (file_exists("{$g['varetc_path']}/ipsec/strongswan.conf")) {
|
|
1359
|
$stronconf = file_get_contents("{$g['varetc_path']}/ipsec/strongswan.conf");
|
|
1360
|
}
|
|
1361
|
log_error("WARNING: Setting i_dont_care_about_security_and_use_aggressive_mode_psk option because a phase 1 is configured using aggressive mode with pre-shared keys. This is not a secure configuration.");
|
|
1362
|
$restart = (!empty($stronconf) && strpos($stronconf, 'i_dont_care_about_security_and_use_aggressive_mode_psk') === FALSE);
|
|
1363
|
unset($stronconf);
|
|
1364
|
$ssconf['charon']['i_dont_care_about_security_and_use_aggressive_mode_psk'] = "yes";
|
|
1365
|
}
|
|
1366
|
|
|
1367
|
if (isset($config['ipsec']['acceptunencryptedmainmode'])) {
|
|
1368
|
$ssconf['charon']['accept_unencrypted_mainmode_messages'] = "yes";
|
|
1369
|
}
|
|
1370
|
|
|
1371
|
if (isset($config['ipsec']['maxexchange'])) {
|
|
1372
|
$ssconf['charon']['max_ikev1_exchanges'] = $config['ipsec']['maxexchange'];
|
|
1373
|
}
|
|
1374
|
|
|
1375
|
$unity_enabled = isset($config['ipsec']['unityplugin']) ? 'yes' : 'no';
|
|
1376
|
$ssconf['charon']['cisco_unity'] = $unity_enabled;
|
|
1377
|
|
|
1378
|
if (isset($config['ipsec']['enableinterfacesuse']) && !empty($ifacesuse)) {
|
|
1379
|
$ssconf['charon']['interfaces_use'] = implode(',', array_unique($ifacesuse));
|
|
1380
|
}
|
|
1381
|
|
|
1382
|
if (isset($config['ipsec']['makebeforebreak'])) {
|
|
1383
|
$ssconf['charon']['make_before_break'] = "yes";
|
|
1384
|
}
|
|
1385
|
|
|
1386
|
if (isset($config['ipsec']['port'])) {
|
|
1387
|
$ssconf['charon']['port'] = $config['ipsec']['port'];
|
|
1388
|
}
|
|
1389
|
|
|
1390
|
if (isset($config['ipsec']['port_nat_t'])) {
|
|
1391
|
$ssconf['charon']['port_nat_t'] = $config['ipsec']['port_nat_t'];
|
|
1392
|
}
|
|
1393
|
|
|
1394
|
$ssconf['charon']['syslog'] = array();
|
|
1395
|
$ssconf['charon']['syslog']['identifier'] = 'charon';
|
|
1396
|
$ssconf['charon']['syslog'][] = "# log everything under daemon since it ends up in the same place regardless with our syslog.conf";
|
|
1397
|
$ssconf['charon']['syslog']['daemon'] = array();
|
|
1398
|
$ssconf['charon']['syslog']['daemon']['ike_name'] = 'yes';
|
|
1399
|
$ssconf['charon']['syslog']['daemon'] = array_merge($ssconf['charon']['syslog']['daemon'], ipsec_logging_config());
|
|
1400
|
$ssconf['charon']['syslog'][] = '# disable logging under auth so logs aren\'t duplicated';
|
|
1401
|
$ssconf['charon']['syslog']['auth'] = array();
|
|
1402
|
$ssconf['charon']['syslog']['auth']['default'] = -1;
|
|
1403
|
|
|
1404
|
$ssconf['charon']['plugins'] = array();
|
|
1405
|
$ssconf['charon']['plugins'][] = "# Load defaults";
|
|
1406
|
$ssconf['charon']['plugins'][] = "include {$g['varetc_path']}/ipsec/strongswan.d/charon/*.conf";
|
|
1407
|
$ssconf['charon']['plugins']['unity'] = array('load' => $unity_enabled);
|
|
1408
|
$ssconf['charon']['plugins']['curve25519'] = array('load' => "yes");
|
|
1409
|
|
|
1410
|
$ssconf['charon']['plugins']['pkcs11'] = array();
|
|
1411
|
$ssconf['charon']['plugins']['pkcs11']['load'] = "yes";
|
|
1412
|
$ssconf['charon']['plugins']['pkcs11']['modules'] = array();
|
|
1413
|
$ssconf['charon']['plugins']['pkcs11']['modules']['opensc'] = array();
|
|
1414
|
$ssconf['charon']['plugins']['pkcs11']['modules']['opensc']['load_certs'] = "yes";
|
|
1415
|
$ssconf['charon']['plugins']['pkcs11']['modules']['opensc']['path'] = "/usr/local/lib/opensc-pkcs11.so";
|
|
1416
|
|
|
1417
|
/* Find RADIUS servers designated for Mobile IPsec user auth */
|
|
1418
|
$radius_servers = array();
|
|
1419
|
foreach (explode(',', $config['ipsec']['client']['user_source']) as $user_source) {
|
|
1420
|
$auth_server = auth_get_authserver($user_source);
|
|
1421
|
$nice_user_source = strtolower(preg_replace('/[\s\.]+/', '_', $user_source));
|
|
1422
|
if ($auth_server && ($auth_server['type'] === 'radius')) {
|
|
1423
|
$radius_servers[$nice_user_source] = array();
|
|
1424
|
$radius_servers[$nice_user_source]['address'] = $auth_server['host'];
|
|
1425
|
$radius_servers[$nice_user_source]['secret'] = "\"{$auth_server['radius_secret']}\"";
|
|
1426
|
$radius_servers[$nice_user_source]['auth_port'] = empty($auth_server['radius_auth_port']) ? 1812 : $auth_server['radius_auth_port'];;
|
|
1427
|
$radius_servers[$nice_user_source]['acct_port'] = empty($auth_server['radius_acct_port']) ? 1813 : $auth_server['radius_acct_port'];
|
|
1428
|
}
|
|
1429
|
}
|
|
1430
|
|
|
1431
|
/* Generate an eap-radius config section if appropriate */
|
|
1432
|
if (count($radius_servers) && ($mobile_ipsec_auth === "eap-radius")) {
|
|
1433
|
$ssconf['charon']['plugins']['eap-radius'] = array();
|
|
1434
|
$ssconf['charon']['plugins']['eap-radius']['load'] = "2";
|
|
1435
|
$ssconf['charon']['plugins']['eap-radius']['class_group'] = "yes";
|
|
1436
|
$ssconf['charon']['plugins']['eap-radius']['eap_start'] = "no";
|
|
1437
|
/* Activate RADIUS accounting only if it was selected on the IPsec Mobile Clients tab */
|
|
1438
|
if ($auth_server && isset($auth_server['radius_acct_port']) &&
|
|
1439
|
(is_array($a_client) && ($a_client['radiusaccounting'] == "enabled"))){
|
|
1440
|
$ssconf['charon']['plugins']['eap-radius']['accounting'] = "yes";
|
|
1441
|
$ssconf['charon']['plugins']['eap-radius']['accounting_close_on_timeout'] = "no";
|
|
1442
|
}
|
|
1443
|
$ssconf['charon']['plugins']['eap-radius']['servers'] = $radius_servers;
|
|
1444
|
}
|
|
1445
|
|
|
1446
|
if (is_array($a_client) && isset($a_client['enable'])) {
|
|
1447
|
if ($a_client['user_source'] != "none") {
|
|
1448
|
$ssconf['charon']['plugins']['xauth-generic'] = array();
|
|
1449
|
$ssconf['charon']['plugins']['xauth-generic']['script'] = "/etc/inc/ipsec.auth-user.php";
|
|
1450
|
$authcfgs = array();
|
|
1451
|
foreach (explode(",", $a_client['user_source']) as $authcfg) {
|
|
1452
|
$authcfgs[] = ($authcfg == "system") ? "Local Database" : $authcfg;
|
|
1453
|
}
|
|
1454
|
$ssconf['charon']['plugins']['xauth-generic']['authcfg'] = implode(",", $authcfgs);
|
|
1455
|
}
|
|
1456
|
}
|
|
1457
|
|
|
1458
|
@file_put_contents("{$g['varetc_path']}/ipsec/strongswan.conf", ipsec_strongswan_confgen($ssconf));
|
|
1459
|
}
|
|
1460
|
|
|
1461
|
/****f* ipsec/ipsec_setup_pools
|
|
1462
|
* NAME
|
|
1463
|
* ipsec_setup_pools - Generate primary mobile pool configuration for swanctl
|
|
1464
|
* INPUTS
|
|
1465
|
* None
|
|
1466
|
* RESULT
|
|
1467
|
* Adds configured mobile pool settings to $scconf
|
|
1468
|
* NOTES
|
|
1469
|
* These values were formerly in strongswan.conf but may now be configured in
|
|
1470
|
* pools, making future expansion to support multiple pools possible.
|
|
1471
|
******/
|
|
1472
|
function ipsec_setup_pools() {
|
|
1473
|
global $config, $g, $mobile_ipsec_auth, $a_client, $a_phase2, $scconf;
|
|
1474
|
if (!is_array($a_client) || !isset($a_client['enable'])) {
|
|
1475
|
return;
|
|
1476
|
}
|
|
1477
|
if (($mobile_ipsec_auth == "eap-radius") && empty($a_client['pool_address']) &&
|
|
1478
|
empty($a_client['pool_address_v6'])) {
|
|
1479
|
return;
|
|
1480
|
}
|
|
1481
|
$scconf['mobile-pool'] = array();
|
|
1482
|
$scconf['pools'] = array();
|
|
1483
|
$pool_common =& $scconf['mobile-pool'];
|
|
1484
|
|
|
1485
|
$rightdnsservers = array();
|
|
1486
|
if (!empty($a_client['dns_server1'])) {
|
|
1487
|
$rightdnsservers[] = $a_client['dns_server1'];
|
|
1488
|
}
|
|
1489
|
if (!empty($a_client['dns_server2'])) {
|
|
1490
|
$rightdnsservers[] = $a_client['dns_server2'];
|
|
1491
|
}
|
|
1492
|
if (!empty($a_client['dns_server3'])) {
|
|
1493
|
$rightdnsservers[] = $a_client['dns_server3'];
|
|
1494
|
}
|
|
1495
|
if (!empty($a_client['dns_server4'])) {
|
|
1496
|
$rightdnsservers[] = $a_client['dns_server4'];
|
|
1497
|
}
|
|
1498
|
if (count($rightdnsservers)) {
|
|
1499
|
$pool_common['dns'] = implode(',', $rightdnsservers);
|
|
1500
|
}
|
|
1501
|
|
|
1502
|
$cfgservers = array();
|
|
1503
|
if (!empty($a_client['wins_server1'])) {
|
|
1504
|
$cfgservers[] = $a_client['wins_server1'];
|
|
1505
|
}
|
|
1506
|
if (!empty($a_client['wins_server2'])) {
|
|
1507
|
$cfgservers[] = $a_client['wins_server2'];
|
|
1508
|
}
|
|
1509
|
if (!empty($cfgservers)) {
|
|
1510
|
$pool_common['nbns'] = implode(",", $cfgservers);
|
|
1511
|
}
|
|
1512
|
unset($cfgservers);
|
|
1513
|
|
|
1514
|
$net_list4 = array();
|
|
1515
|
$net_list6 = array();
|
|
1516
|
if (isset($a_client['net_list']) && is_array($a_phase2)) {
|
|
1517
|
foreach ($a_phase2 as $ph2ent) {
|
|
1518
|
if (isset($ph2ent['disabled']) ||
|
|
1519
|
!isset($ph2ent['mobile'])) {
|
|
1520
|
continue;
|
|
1521
|
}
|
|
1522
|
$nlent = ipsec_idinfo_to_cidr($ph2ent['localid'], true, $ph2ent['mode']);
|
|
1523
|
if (is_subnetv4($nlent)) {
|
|
1524
|
$net_list4[] = $nlent;
|
|
1525
|
} elseif (is_subnetv6($nlent)) {
|
|
1526
|
$net_list6[] = $nlent;
|
|
1527
|
}
|
|
1528
|
unset($nlent);
|
|
1529
|
}
|
|
1530
|
}
|
|
1531
|
if (!empty($a_client['dns_domain'])) {
|
|
1532
|
$pool_common[] = "# Search domain and default domain";
|
|
1533
|
$pool_common['28674'] = "\"{$a_client['dns_domain']}\"";
|
|
1534
|
if (empty($a_client['dns_split'])) {
|
|
1535
|
$pool_common['28675'] = "\"{$a_client['dns_domain']}\"";
|
|
1536
|
}
|
|
1537
|
}
|
|
1538
|
|
|
1539
|
if (!empty($a_client['dns_split'])) {
|
|
1540
|
$pool_common['28675'] = "\"{$a_client['dns_split']}\"";
|
|
1541
|
}
|
|
1542
|
|
|
1543
|
if (!empty($a_client['login_banner'])) {
|
|
1544
|
$pool_common['28672'] = "\"{$a_client['login_banner']}\"";
|
|
1545
|
}
|
|
1546
|
|
|
1547
|
if (isset($a_client['save_passwd'])) {
|
|
1548
|
$pool_common['28673'] = "1";
|
|
1549
|
}
|
|
1550
|
|
|
1551
|
if ($a_client['pfs_group']) {
|
|
1552
|
$pool_common['28679'] = "\"{$a_client['pfs_group']}\"";
|
|
1553
|
}
|
|
1554
|
|
|
1555
|
if (!empty($a_client['pool_address'])) {
|
|
1556
|
$scconf['pools']['mobile-pool-v4 : mobile-pool'] = array();
|
|
1557
|
$v4pool =& $scconf['pools']['mobile-pool-v4 : mobile-pool'];
|
|
1558
|
$v4pool['addrs'] = "{$a_client['pool_address']}/{$a_client['pool_netbits']}";
|
|
1559
|
if (!empty($net_list4)) {
|
|
1560
|
$v4pool['subnet'] = implode(",", $net_list4);
|
|
1561
|
$v4pool['split_include'] = implode(",", $net_list4);
|
|
1562
|
unset($net_list4);
|
|
1563
|
}
|
|
1564
|
}
|
|
1565
|
if (!empty($a_client['pool_address_v6'])) {
|
|
1566
|
$scconf['pools']['mobile-pool-v6 : mobile-pool'] = array();
|
|
1567
|
$v6pool =& $scconf['pools']['mobile-pool-v6 : mobile-pool'];
|
|
1568
|
$v6pool['addrs'] = "{$a_client['pool_address_v6']}/{$a_client['pool_netbits_v6']}";
|
|
1569
|
if (!empty($net_list6)) {
|
|
1570
|
$v6pool['subnet'] = implode(",", $net_list6);
|
|
1571
|
$v6pool['split_include'] = implode(",", $net_list6);
|
|
1572
|
unset($net_list6);
|
|
1573
|
}
|
|
1574
|
}
|
|
1575
|
|
|
1576
|
return;
|
|
1577
|
}
|
|
1578
|
|
|
1579
|
/****f* ipsec/ipsec_setup_userpools
|
|
1580
|
* NAME
|
|
1581
|
* ipsec_setup_userpools - Generate per-user custom pool settings for swanctl
|
|
1582
|
* INPUTS
|
|
1583
|
* None
|
|
1584
|
* RESULT
|
|
1585
|
* Adds configured per-user pool settings to $scconf using the primary mobile
|
|
1586
|
* pool as a base configuration.
|
|
1587
|
* NOTES
|
|
1588
|
* Given this new flexible format, it is now possible to override any valid
|
|
1589
|
* pool setting, so future expansion of per-user settings is possible.
|
|
1590
|
******/
|
|
1591
|
function ipsec_setup_userpools() {
|
|
1592
|
global $config, $scconf;
|
|
1593
|
$a_mobilekey = $config['ipsec']['mobilekey'];
|
|
1594
|
|
|
1595
|
/* Do not waste time if we do not have all the necessary information. */
|
|
1596
|
if (!is_array($a_mobilekey) ||
|
|
1597
|
empty($a_mobilekey) ||
|
|
1598
|
!is_array($scconf['connections']) ||
|
|
1599
|
!is_array($scconf['con-mobile-defaults']) ||
|
|
1600
|
!is_array($scconf['pools']) ||
|
|
1601
|
!is_array($scconf['mobile-pool'])) {
|
|
1602
|
return;
|
|
1603
|
}
|
|
1604
|
|
|
1605
|
$suffix = 1;
|
|
1606
|
foreach ($a_mobilekey as $mkent) {
|
|
1607
|
if (($mkent['type'] != "EAP") ||
|
|
1608
|
!isset($mkent['ident_type']) ||
|
|
1609
|
!isset($mkent['pool_address']) ||
|
|
1610
|
!isset($mkent['pool_netbits']) ||
|
|
1611
|
(strlen($mkent['pool_address']) < 1) ||
|
|
1612
|
!is_ipaddr($mkent['pool_address'])) {
|
|
1613
|
continue;
|
|
1614
|
}
|
|
1615
|
/* The name of just this pool */
|
|
1616
|
$upbase = "mobile-userpool-{$suffix}";
|
|
1617
|
/* The full connection name including a reference to the primary
|
|
1618
|
* mobile connection */
|
|
1619
|
$upconn = "con-{$upbase} : con-mobile-defaults";
|
|
1620
|
/* The full pool name including a reference to the primary
|
|
1621
|
* mobile pool */
|
|
1622
|
$upname = "{$upbase} : mobile-pool";
|
|
1623
|
|
|
1624
|
$scconf['connections'][$upconn] = array();
|
|
1625
|
$scconf['pools'][$upname] = array();
|
|
1626
|
|
|
1627
|
$clientid = ($mkent['ident_type'] == "none") ? "\"{$mkent['ident']}\"" : "{$mkent['ident_type']}:{$mkent['ident']}";
|
|
1628
|
$clienteapid = ($ph1ent['authentication_method'] == "eap-mschapv2") ? $clientid : '%any';
|
|
1629
|
|
|
1630
|
/* Craft a cloned connection with the ID information to match */
|
|
1631
|
$scconf['connections'][$upconn]['remote'] = array();
|
|
1632
|
$scconf['connections'][$upconn]['remote']['id'] = $clientid;
|
|
1633
|
$scconf['connections'][$upconn]['remote']['eap_id'] = $clienteapid;
|
|
1634
|
$scconf['connections'][$upconn]['pools'] = $upbase;
|
|
1635
|
|
|
1636
|
/* Craft a cloned pool with pool settings to override for this user */
|
|
1637
|
$scconf['pools'][$upname]['addrs'] = "{$mkent['pool_address']}/{$mkent['pool_netbits']}";
|
|
1638
|
if (isset($mkent['dns_address']) && strlen($mkent['dns_address']) > 0 && is_ipaddr($mkent['dns_address'])) {
|
|
1639
|
$scconf['pools'][$upname]['dns'] = $mkent['dns_address'];
|
|
1640
|
}
|
|
1641
|
$suffix++;
|
|
1642
|
}
|
|
1643
|
return;
|
|
1644
|
}
|
|
1645
|
|
|
1646
|
/****f* ipsec/ipsec_setup_bypass
|
|
1647
|
* NAME
|
|
1648
|
* ipsec_setup_bypass - Generate a bypass connection for LAN-LAN and custom rules traffic
|
|
1649
|
* INPUTS
|
|
1650
|
* None
|
|
1651
|
* RESULT
|
|
1652
|
* Sets up a bypass connection to prevent local traffic from being caught by
|
|
1653
|
* IPsec policies.
|
|
1654
|
******/
|
|
1655
|
function ipsec_setup_bypass() {
|
|
1656
|
global $config, $scconf;
|
|
1657
|
|
|
1658
|
$scconf['connections']['bypass'] = array();
|
|
1659
|
/* Prevents the connection from being considered for remote peers */
|
|
1660
|
$scconf['connections']['bypass']['remote_addrs'] = "127.0.0.1";
|
|
1661
|
$scconf['connections']['bypass']['children'] = array();
|
|
1662
|
|
|
1663
|
/* Locate the LAN IPv4 and IPv6 subnets */
|
|
1664
|
$bypassnets = array();
|
|
1665
|
if ($config['interfaces']['lan']) {
|
|
1666
|
$lanip = get_interface_ip("lan");
|
|
1667
|
if (!empty($lanip) && is_ipaddrv4($lanip)) {
|
|
1668
|
$lansn = get_interface_subnet("lan");
|
|
1669
|
$lansa = gen_subnetv4($lanip, $lansn);
|
|
1670
|
if (!empty($lansa) && !empty($lansn)) {
|
|
1671
|
$bypassnets[] = "{$lansa}/{$lansn}";
|
|
1672
|
}
|
|
1673
|
}
|
|
1674
|
$lanip6 = get_interface_ipv6("lan");
|
|
1675
|
if (!empty($lanip6) && is_ipaddrv6($lanip6)) {
|
|
1676
|
$lansn6 = get_interface_subnetv6("lan");
|
|
1677
|
$lansa6 = gen_subnetv6($lanip6, $lansn6);
|
|
1678
|
if (!empty($lansa6) && !empty($lansn6)) {
|
|
1679
|
$bypassnets[] = "{$lansa6}/{$lansn6}";
|
|
1680
|
}
|
|
1681
|
}
|
|
1682
|
}
|
|
1683
|
/* If we have viable targets, setup a bypass LAN connection */
|
|
1684
|
if (!empty($bypassnets) && !isset($config['ipsec']['noshuntlaninterfaces'])) {
|
|
1685
|
$bypass = implode(',', $bypassnets);
|
|
1686
|
$scconf['connections']['bypass']['children']['bypasslan'] = array();
|
|
1687
|
$scconf['connections']['bypass']['children']['bypasslan']['local_ts'] = $bypass;
|
|
1688
|
$scconf['connections']['bypass']['children']['bypasslan']['remote_ts'] = $bypass;
|
|
1689
|
$scconf['connections']['bypass']['children']['bypasslan']['mode'] = "pass";
|
|
1690
|
$scconf['connections']['bypass']['children']['bypasslan']['start_action'] = "trap";
|
|
1691
|
}
|
|
1692
|
|
|
1693
|
/* Setup custom bypass rules */
|
|
1694
|
if ((isset($config['ipsec']['ipsecbypass']) && $config['ipsec']['bypassrules']) &&
|
|
1695
|
is_array($config['ipsec']['bypassrules'])) {
|
|
1696
|
foreach ($config['ipsec']['bypassrules']['rule'] as $id => $rule) {
|
|
1697
|
$scconf['connections']['bypass']['children']["rule{$id}"] = array();
|
|
1698
|
$scconf['connections']['bypass']['children']["rule{$id}"]["local_ts"] = $rule['source'] .
|
|
1699
|
"/" . $rule['srcmask'];
|
|
1700
|
$scconf['connections']['bypass']['children']["rule{$id}"]["remote_ts"] = $rule['destination'] .
|
|
1701
|
"/" . $rule['dstmask'];
|
|
1702
|
$scconf['connections']['bypass']['children']["rule{$id}"]["mode"] = "pass";
|
|
1703
|
$scconf['connections']['bypass']['children']["rule{$id}"]["start_action"] = "trap";
|
|
1704
|
}
|
|
1705
|
}
|
|
1706
|
|
|
1707
|
return;
|
|
1708
|
}
|
|
1709
|
|
|
1710
|
/****f* ipsec/ipsec_setup_routes
|
|
1711
|
* NAME
|
|
1712
|
* ipsec_setup_routes - Setup OS routing table static routes for remote peers.
|
|
1713
|
* This ensures that IPsec connections are routed out of
|
|
1714
|
* the expected interface on egress.
|
|
1715
|
* INPUTS
|
|
1716
|
* $interface : The interface upon which routes will be configured.
|
|
1717
|
* $family : The address family ('inet' or 'inet6')
|
|
1718
|
* $sourcehost: The local source address used for initiating connections.
|
|
1719
|
* $duplicates: If the ipsec tunnel allows duplicates remote peers
|
|
1720
|
* RESULT
|
|
1721
|
* Static routes in the OS routing table for IPsec peers
|
|
1722
|
******/
|
|
1723
|
function ipsec_setup_routes($interface, $family, $sourcehost, $duplicates) {
|
|
1724
|
if (substr($interface, 0, 4) == "_vip") {
|
|
1725
|
$vpninterface = get_configured_vip_interface($interface);
|
|
1726
|
if (substr($vpninterface, 0, 4) == "_vip") {
|
|
1727
|
// vips are nested if its a ipalias with a carp parent
|
|
1728
|
$vpninterface = get_configured_vip_interface($vpninterface);
|
|
1729
|
}
|
|
1730
|
$ifacesuse = get_real_interface($vpninterface);
|
|
1731
|
} else {
|
|
1732
|
$ifacesuse = get_failover_interface($interface);
|
|
1733
|
if (substr($ifacesuse, 0, 4) == "_vip") {
|
|
1734
|
$vpninterface = get_configured_vip_interface($ifacesuse);
|
|
1735
|
$ifacesuse = get_real_interface($vpninterface);
|
|
1736
|
} else {
|
|
1737
|
$vpninterface = convert_real_interface_to_friendly_interface_name($ifacesuse);
|
|
1738
|
}
|
|
1739
|
}
|
|
1740
|
if ($family == 'inet' && !empty($ifacesuse) &&
|
|
1741
|
interface_has_gateway($vpninterface)) {
|
|
1742
|
$gatewayip = get_interface_gateway($vpninterface);
|
|
1743
|
$interfaceip = get_interface_ip($vpninterface);
|
|
1744
|
$subnet_bits = get_interface_subnet($vpninterface);
|
|
1745
|
$subnet_ip = gen_subnetv4($interfaceip, $subnet_bits);
|
|
1746
|
/*
|
|
1747
|
* if the remote gateway is in the local subnet, then don't add
|
|
1748
|
* a route
|
|
1749
|
*/
|
|
1750
|
if (is_ipaddrv4($sourcehost) &&
|
|
1751
|
!ip_in_subnet($sourcehost, "{$subnet_ip}/{$subnet_bits}") &&
|
|
1752
|
is_ipaddrv4($gatewayip) && !$duplicates) {
|
|
1753
|
route_add_or_change($sourcehost, $gatewayip);
|
|
1754
|
}
|
|
1755
|
} else if ($family == 'inet6' && !empty($ifacesuse) &&
|
|
1756
|
interface_has_gatewayv6($vpninterface)) {
|
|
1757
|
$gatewayip = get_interface_gateway_v6($vpninterface);
|
|
1758
|
$interfaceip = get_interface_ipv6($vpninterface);
|
|
1759
|
$subnet_bits = get_interface_subnetv6($vpninterface);
|
|
1760
|
$subnet_ip = gen_subnetv6($interfaceip, $subnet_bits);
|
|
1761
|
/*
|
|
1762
|
* if the remote gateway is in the local subnet, then don't add
|
|
1763
|
* a route
|
|
1764
|
*/
|
|
1765
|
if (is_ipaddrv6($sourcehost) &&
|
|
1766
|
!ip_in_subnet($sourcehost, "{$subnet_ip}/{$subnet_bits}") &&
|
|
1767
|
is_ipaddrv6($gatewayip) && !$duplicates) {
|
|
1768
|
route_add_or_change($sourcehost, $gatewayip);
|
|
1769
|
}
|
|
1770
|
}
|
|
1771
|
return $ifacesuse;
|
|
1772
|
}
|
|
1773
|
|
|
1774
|
/****f* ipsec/ipsec_setup_authentication
|
|
1775
|
* NAME
|
|
1776
|
* ipsec_setup_authentication - Generate an array with local/remote
|
|
1777
|
* authentication information for a given IPsec
|
|
1778
|
* Phase 1.
|
|
1779
|
* INPUTS
|
|
1780
|
* $ph1ent: An IPsec Phase 1 configuration
|
|
1781
|
* $conn : A swanctl connection array corresponding to the IPsec Phase 1.
|
|
1782
|
* RESULT
|
|
1783
|
* Populates $conn with local and remote arrays containing authentication
|
|
1784
|
* details.
|
|
1785
|
******/
|
|
1786
|
function ipsec_setup_authentication(& $ph1ent, & $conn) {
|
|
1787
|
global $rgmap, $ipsec_swanctl_dirs, $config;
|
|
1788
|
$local = array();
|
|
1789
|
$remote = array();
|
|
1790
|
$remote2 = array();
|
|
1791
|
|
|
1792
|
list($myid_type, $myid_data) = ipsec_find_id($ph1ent, 'local');
|
|
1793
|
$localid = ipsec_fixup_id($myid_type, $myid_data);
|
|
1794
|
if (!empty($localid)) {
|
|
1795
|
$local['id'] = $localid;
|
|
1796
|
}
|
|
1797
|
|
|
1798
|
// Only specify peer ID if we are not dealing with mobile PSK
|
|
1799
|
if (!(isset($ph1ent['mobile']) &&
|
|
1800
|
in_array($ph1ent['authentication_method'], array("pre_shared_key", "xauth_psk_server")))) {
|
|
1801
|
list ($remoteid_type, $remoteid_data) = ipsec_find_id($ph1ent, 'peer', $rgmap);
|
|
1802
|
$remoteid = ipsec_fixup_id($remoteid_type, $remoteid_data);
|
|
1803
|
}
|
|
1804
|
if (!empty($remoteid)) {
|
|
1805
|
$remote['id'] = $remoteid;
|
|
1806
|
}
|
|
1807
|
|
|
1808
|
if (!empty($ph1ent['caref'])) {
|
|
1809
|
$ca = lookup_ca($ph1ent['caref']);
|
|
1810
|
if ($ca) {
|
|
1811
|
/* Get hash value to use for filename */
|
|
1812
|
$ca_details = openssl_x509_parse(base64_decode($ca['crt']));
|
|
1813
|
$cafn = "{$ipsec_swanctl_dirs['capath']}/{$ca_details['hash']}.0";
|
|
1814
|
}
|
|
1815
|
}
|
|
1816
|
|
|
1817
|
$authentication = "";
|
|
1818
|
switch ($ph1ent['authentication_method']) {
|
|
1819
|
case 'eap-mschapv2':
|
|
1820
|
if (isset($ph1ent['mobile'])) {
|
|
1821
|
$local['auth'] = "pubkey";
|
|
1822
|
$remote['eap_id'] = "%any";
|
|
1823
|
$remote['auth'] = "eap-mschapv2";
|
|
1824
|
}
|
|
1825
|
break;
|
|
1826
|
case 'eap-tls':
|
|
1827
|
if (isset($ph1ent['mobile'])) {
|
|
1828
|
$local['auth'] = "pubkey";
|
|
1829
|
$remote['eap_id'] = "%any";
|
|
1830
|
} else {
|
|
1831
|
$local['auth'] = "eap-tls";
|
|
1832
|
}
|
|
1833
|
$remote['auth'] = "eap-tls";
|
|
1834
|
break;
|
|
1835
|
case 'eap-radius':
|
|
1836
|
if (isset($ph1ent['mobile'])) {
|
|
1837
|
$local['auth'] = "pubkey";
|
|
1838
|
$remote['eap_id'] = "%any";
|
|
1839
|
} else {
|
|
1840
|
$local['auth'] = "eap-radius";
|
|
1841
|
}
|
|
1842
|
if (($config['ipsec']['client']['group_source'] == 'enabled') &&
|
|
1843
|
!empty($config['ipsec']['client']['auth_groups'])) {
|
|
1844
|
$remote['groups'] = $config['ipsec']['client']['auth_groups'];
|
|
1845
|
}
|
|
1846
|
$remote['auth'] = "eap-radius";
|
|
1847
|
break;
|
|
1848
|
case 'xauth_cert_server':
|
|
1849
|
$local['auth'] = "pubkey";
|
|
1850
|
$remote['auth'] = "pubkey";
|
|
1851
|
$remote2['auth'] = "xauth-generic";
|
|
1852
|
break;
|
|
1853
|
case 'xauth_psk_server':
|
|
1854
|
$local['auth'] = "psk";
|
|
1855
|
$remote['auth'] = "psk";
|
|
1856
|
$remote2['auth'] = "xauth-generic";
|
|
1857
|
break;
|
|
1858
|
case 'pre_shared_key':
|
|
1859
|
$local['auth'] = "psk";
|
|
1860
|
$remote['auth'] = "psk";
|
|
1861
|
break;
|
|
1862
|
case 'cert':
|
|
1863
|
case 'pkcs11':
|
|
1864
|
$local['auth'] = "pubkey";
|
|
1865
|
$remote['auth'] = "pubkey";
|
|
1866
|
break;
|
|
1867
|
case 'hybrid_cert_server':
|
|
1868
|
$local['auth'] = "pubkey";
|
|
1869
|
$remote['auth'] = "xauth-generic";
|
|
1870
|
break;
|
|
1871
|
}
|
|
1872
|
if (in_array($ph1ent['authentication_method'], array('eap-mschapv2', 'eap-tls', 'eap-radius', 'xauth_cert_server', 'cert', 'hybrid_cert_server')) &&
|
|
1873
|
!empty($ph1ent['certref'])) {
|
|
1874
|
$local['cert'] = array('file' => "{$ipsec_swanctl_dirs['certpath']}/cert-{$ph1ent['ikeid']}.crt");
|
|
1875
|
$conn['send_cert'] = "always";
|
|
1876
|
}
|
|
1877
|
if ($ph1ent['authentication_method'] == 'pkcs11') {
|
|
1878
|
$local['cert'] = array('handle' => "{$ph1ent['pkcs11certref']}");
|
|
1879
|
$conn['send_cert'] = "always";
|
|
1880
|
}
|
|
1881
|
if (in_array($ph1ent['authentication_method'], array('eap-tls', 'xauth_cert_server', 'cert', 'pkcs11')) &&
|
|
1882
|
isset($cafn)) {
|
|
1883
|
$remote['cacerts'] = $cafn;
|
|
1884
|
if (isset($config['ipsec']['strictcrlpolicy'])) {
|
|
1885
|
$remote['revocation'] = "strict";
|
|
1886
|
}
|
|
1887
|
}
|
|
1888
|
|
|
1889
|
$conn['local'] = $local;
|
|
1890
|
/* If there is data for a second remote auth round, setup two remote
|
|
1891
|
* arrays with unique names, otherwise setup a single remote. */
|
|
1892
|
if (empty($remote2)) {
|
|
1893
|
$conn['remote'] = $remote;
|
|
1894
|
} else {
|
|
1895
|
$conn['remote-1'] = $remote;
|
|
1896
|
$conn['remote-2'] = $remote2;
|
|
1897
|
}
|
|
1898
|
}
|
|
1899
|
|
|
1900
|
/****f* ipsec/ipsec_setup_proposal_algo
|
|
1901
|
* NAME
|
|
1902
|
* ipsec_setup_proposal_algo - Form a single proposal algorithm string
|
|
1903
|
* INPUTS
|
|
1904
|
* $ealg_id: Encryption algorithm ID
|
|
1905
|
* $keylen : Key length for the encryption algorithm
|
|
1906
|
* $halgo : Hash algorithm
|
|
1907
|
* $modp : DH Group number
|
|
1908
|
* RESULT
|
|
1909
|
* Returns a string using the available information to form a single proposal
|
|
1910
|
* algorithm definition.
|
|
1911
|
* NOTES
|
|
1912
|
* Values left empty will not be added to the string. Some combinations may
|
|
1913
|
* require one or more parts to be omitted.
|
|
1914
|
******/
|
|
1915
|
function ipsec_setup_proposal_algo($ealg_id, $keylen, $halgo, $prfalgo, $modp) {
|
|
1916
|
$palgo = "";
|
|
1917
|
|
|
1918
|
/* Add the encryption algorithm (if present) */
|
|
1919
|
if (!empty($ealg_id)) {
|
|
1920
|
$palgo .= "{$ealg_id}";
|
|
1921
|
}
|
|
1922
|
|
|
1923
|
/* Add the key length (if present) */
|
|
1924
|
if (!empty($keylen)) {
|
|
1925
|
$palgo .= "{$keylen}";
|
|
1926
|
}
|
|
1927
|
|
|
1928
|
/* Add the hash algorithm (if present) */
|
|
1929
|
if (!empty($halgo)) {
|
|
1930
|
/* If there is some content in the propsal already, add a
|
|
1931
|
* separator */
|
|
1932
|
if (!empty($palgo)) {
|
|
1933
|
$palgo .= "-";
|
|
1934
|
}
|
|
1935
|
$halgo = str_replace('hmac_', '', $halgo);
|
|
1936
|
$palgo .= "{$halgo}";
|
|
1937
|
}
|
|
1938
|
|
|
1939
|
if (!empty($prfalgo)) {
|
|
1940
|
$palgo .= "-prf{$prfalgo}";
|
|
1941
|
}
|
|
1942
|
|
|
1943
|
/* Convert the DH group to its keyword and add (if present) */
|
|
1944
|
$modp = ipsec_convert_to_modp($modp);
|
|
1945
|
if (!empty($modp)) {
|
|
1946
|
$palgo .= "-{$modp}";
|
|
1947
|
}
|
|
1948
|
|
|
1949
|
return $palgo;
|
|
1950
|
}
|
|
1951
|
|
|
1952
|
/****f* ipsec/ipsec_setup_proposal_entry
|
|
1953
|
* NAME
|
|
1954
|
* ipsec_setup_proposal_entry - Generate a full proposal string for an IPsec
|
|
1955
|
* Phase 2 configuration.
|
|
1956
|
* INPUTS
|
|
1957
|
* $ph2ent : An IPsec Phase 2 configuration
|
|
1958
|
* $algo_arr: An array in which all proposal algorithms are collected
|
|
1959
|
* $ealg_id : Encryption algorithm ID
|
|
1960
|
* $keylen : Key length for the encryption algorithm
|
|
1961
|
* RESULT
|
|
1962
|
* Returns a string containing all proposal elements, and merges the entries
|
|
1963
|
* to $algo_arr as well.
|
|
1964
|
******/
|
|
1965
|
function ipsec_setup_proposal_entry(& $ph2ent, & $algo_arr, $ealg_id, $keylen) {
|
|
1966
|
global $config, $p2_ealgos;
|
|
1967
|
$proposal = array();
|
|
1968
|
|
|
1969
|
/* If multiple hash algorithms are present, loop through and add them all. */
|
|
1970
|
if (!empty($ph2ent['hash-algorithm-option']) && is_array($ph2ent['hash-algorithm-option'])
|
|
1971
|
&& !strpos($ealg_id, "gcm")) {
|
|
1972
|
foreach ($ph2ent['hash-algorithm-option'] as $halgo) {
|
|
1973
|
$proposal[] = ipsec_setup_proposal_algo($ealg_id, $keylen, $halgo, false, $ph2ent['pfsgroup']);
|
|
1974
|
}
|
|
1975
|
} else {
|
|
1976
|
$proposal[] = ipsec_setup_proposal_algo($ealg_id, $keylen, false, false, $ph2ent['pfsgroup']);
|
|
1977
|
}
|
|
1978
|
|
|
1979
|
/* Add to master list */
|
|
1980
|
$algo_arr = array_merge($algo_arr, $proposal);
|
|
1981
|
return implode(',', $proposal);
|
|
1982
|
}
|
|
1983
|
|
|
1984
|
/****f* ipsec/ipsec_setup_vtireq
|
|
1985
|
* NAME
|
|
1986
|
* ipsec_setup_vtireq - Setup a VTI type IPsec request
|
|
1987
|
* INPUTS
|
|
1988
|
* $child : A swanctl child array
|
|
1989
|
* $ipsec_vti_cleanup_ifs: An array of VTI interface names for later cleanup
|
|
1990
|
* $ikeid : The IKE ID of this child
|
|
1991
|
* $idx : The index of this child (for split connections/IKEv1)
|
|
1992
|
* RESULT
|
|
1993
|
* Sets up VTI-specific values for a request.
|
|
1994
|
******/
|
|
1995
|
function ipsec_setup_vtireq(& $child, & $ipsec_vti_cleanup_ifs, $ikeid, $idx = 0) {
|
|
1996
|
$child['reqid'] = get_ipsecifnum($ikeid, $idx);
|
|
1997
|
/* This interface will be a valid IPsec interface, so remove it from the cleanup list. */
|
|
1998
|
$ipsec_vti_cleanup_ifs = array_diff($ipsec_vti_cleanup_ifs, array("ipsec{$child['reqid']}"));
|
|
1999
|
$child['local_ts'] .= ",0.0.0.0/0";
|
|
2000
|
$child['remote_ts'] .= ",0.0.0.0/0";
|
|
2001
|
}
|
|
2002
|
|
|
2003
|
/****f* ipsec/ipsec_setup_tunnels
|
|
2004
|
* NAME
|
|
2005
|
* ipsec_setup_tunnels - Configure all P1/P2 entries as swanctl connections
|
|
2006
|
* INPUTS
|
|
2007
|
* None
|
|
2008
|
* RESULT
|
|
2009
|
* Sets up a swanctl array for all connections in the configuration along with
|
|
2010
|
* their children, authentication, etc.
|
|
2011
|
******/
|
|
2012
|
function ipsec_setup_tunnels() {
|
|
2013
|
global $aggressive_mode_psk, $a_client, $config,
|
|
2014
|
$filterdns_list, $g, $ifacesuse, $ipsec_idhandling, $ipsec_log_cats,
|
|
2015
|
$ipsec_log_sevs, $ipsec_swanctl_basedir, $ipsec_swanctl_dirs,
|
|
2016
|
$ipseccfg, $mobile_ipsec_auth, $natfilterrules, $p1_ealgos,
|
|
2017
|
$p2_ealgos, $rgmap, $sa, $sn, $scconf, $conn, $tunnels,
|
|
2018
|
$ipsec_vti_cleanup_ifs, $conn_defaults;
|
|
2019
|
|
|
2020
|
foreach ($tunnels as $ph1ent) {
|
|
2021
|
/* Skip disabled entries */
|
|
2022
|
if (isset($ph1ent['disabled'])) {
|
|
2023
|
continue;
|
|
2024
|
}
|
|
2025
|
/* If the local source is invalid, skip this entry. */
|
|
2026
|
$local_spec = ipsec_get_phase1_src($ph1ent);
|
|
2027
|
if (!$local_spec) {
|
|
2028
|
continue;
|
|
2029
|
}
|
|
2030
|
|
|
2031
|
/* Determine the name of this connection, either con-mobile for
|
|
2032
|
* mobile clients, or a name based on the IKE ID otherwise. */
|
|
2033
|
if (isset($ph1ent['mobile'])) {
|
|
2034
|
$cname = "con-mobile";
|
|
2035
|
/* Start with common default values */
|
|
2036
|
$scconf["{$cname}-defaults"] = $conn_defaults;
|
|
2037
|
/* Array reference to make things easier */
|
|
2038
|
$conn =& $scconf["{$cname}-defaults"];
|
|
2039
|
$scconf['connections']["{$cname} : {$cname}-defaults"] = array("# Stub to load con-mobile-defaults");
|
|
2040
|
} else {
|
|
2041
|
if (get_ipsecifnum($ph1ent['ikeid'], 0)) {
|
|
2042
|
$cname = "con" . get_ipsecifnum($ph1ent['ikeid'], 0);
|
|
2043
|
} else {
|
|
2044
|
$cname = "con{$ph1ent['ikeid']}00000";
|
|
2045
|
}
|
|
2046
|
/* Start with common default values */
|
|
2047
|
$scconf['connections'][$cname] = $conn_defaults;
|
|
2048
|
/* Array reference to make things easier */
|
|
2049
|
$conn =& $scconf['connections'][$cname];
|
|
2050
|
}
|
|
2051
|
|
|
2052
|
/* Common parameters for all children */
|
|
2053
|
$child_params = array();
|
|
2054
|
if (!empty($ph1ent['closeaction'])) {
|
|
2055
|
$child_params['close_action'] = $ph1ent['closeaction'];
|
|
2056
|
}
|
|
2057
|
|
|
2058
|
$ikeid = $ph1ent['ikeid'];
|
|
2059
|
|
|
2060
|
/* "trap" adds policies to start a tunnel when interesting
|
|
2061
|
* traffic is observed by the host. */
|
|
2062
|
$start_action = "trap";
|
|
2063
|
|
|
2064
|
/* Set the IKE version appropriately (empty = IKEv1) */
|
|
2065
|
switch ($ph1ent['iketype']) {
|
|
2066
|
case 'auto':
|
|
2067
|
$ikeversion = 0;
|
|
2068
|
break;
|
|
2069
|
case 'ikev2':
|
|
2070
|
$ikeversion = 2;
|
|
2071
|
break;
|
|
2072
|
case 'ikev1':
|
|
2073
|
default:
|
|
2074
|
$ikeversion = 1;
|
|
2075
|
break;
|
|
2076
|
}
|
|
2077
|
$conn['version'] = $ikeversion;
|
|
2078
|
|
|
2079
|
/* For IKEv1 or auto, setup aggressive mode if configured */
|
|
2080
|
if ($ikeversion != 2){
|
|
2081
|
$conn['aggressive'] = ($ph1ent['mode'] == "aggressive") ? "yes" : "no";
|
|
2082
|
}
|
|
2083
|
|
|
2084
|
if (isset($ph1ent['mobile'])) {
|
|
2085
|
/* Mobile tunnels allow 'any' as a peer */
|
|
2086
|
$remote_spec = "0.0.0.0/0,::/0";
|
|
2087
|
/* Mobile tunnels cannot start automatically */
|
|
2088
|
$start_action = 'none';
|
|
2089
|
} else {
|
|
2090
|
$remote_spec = $ph1ent['remote-gateway'];
|
|
2091
|
$sourcehost = (is_ipaddr($remote_spec)) ? $remote_spec : $rgmap[$remote_spec];
|
|
2092
|
$ifacesuse = ipsec_setup_routes($ph1ent['interface'], $ph1ent['protocol'], $sourcehost, isset($ph1ent['gw_duplicates']));
|
|
2093
|
}
|
|
2094
|
|
|
2095
|
/* Setup IKE proposals */
|
|
2096
|
if (is_array($ph1ent['encryption']['item'])) {
|
|
2097
|
$ciphers = array();
|
|
2098
|
foreach($ph1ent['encryption']['item'] as $p1enc) {
|
|
2099
|
if (!is_array($p1enc['encryption-algorithm']) ||
|
|
2100
|
empty($p1enc['encryption-algorithm']['name']) ||
|
|
2101
|
empty($p1enc['hash-algorithm'])) {
|
|
2102
|
continue;
|
|
2103
|
}
|
|
2104
|
if ($ph1ent['prfselect_enable'] != 'yes') {
|
|
2105
|
$p1enc['prf-algorithm'] = false;
|
|
2106
|
}
|
|
2107
|
$ciphers[] = ipsec_setup_proposal_algo($p1enc['encryption-algorithm']['name'],
|
|
2108
|
$p1enc['encryption-algorithm']['keylen'],
|
|
2109
|
$p1enc['hash-algorithm'],
|
|
2110
|
$p1enc['prf-algorithm'],
|
|
2111
|
$p1enc['dhgroup']);
|
|
2112
|
}
|
|
2113
|
$conn['proposals'] = implode(",", $ciphers);
|
|
2114
|
}
|
|
2115
|
|
|
2116
|
/* Configure DPD values. The DPD action is a per-child parameter,
|
|
2117
|
* not per-connection like the delay and timeout. */
|
|
2118
|
if ($ph1ent['dpd_delay'] && $ph1ent['dpd_maxfail']) {
|
|
2119
|
if ($start_action == "trap") {
|
|
2120
|
$child_params['dpd_action'] = "trap";
|
|
2121
|
} else {
|
|
2122
|
$child_params['dpd_action'] = "clear";
|
|
2123
|
}
|
|
2124
|
$conn['dpd_delay'] = "{$ph1ent['dpd_delay']}s";
|
|
2125
|
$conn['dpd_timeout'] = $ph1ent['dpd_delay'] * ($ph1ent['dpd_maxfail'] + 1) . "s";
|
|
2126
|
|
|
2127
|
/* Adjust dpd_action if the close_action is explicitly set */
|
|
2128
|
if (!empty($child_params['close_action'])) {
|
|
2129
|
switch ($ph1ent['closeaction']) {
|
|
2130
|
case 'trap':
|
|
2131
|
$child_params['dpd_action'] = 'trap';
|
|
2132
|
break;
|
|
2133
|
case 'start':
|
|
2134
|
$child_params['dpd_action'] = 'restart';
|
|
2135
|
break;
|
|
2136
|
case 'none':
|
|
2137
|
default:
|
|
2138
|
$child_params['dpd_action'] = 'clear';
|
|
2139
|
}
|
|
2140
|
}
|
|
2141
|
} else {
|
|
2142
|
$child_params['dpd_action'] = "clear";
|
|
2143
|
}
|
|
2144
|
|
|
2145
|
/* Rekey (IKEv2 or Auto only, not supported by IKEv1) */
|
|
2146
|
if (($ikeversion == 0) || ($ikeversion == 2)) {
|
|
2147
|
$conn['rekey_time'] = ipsec_get_rekey_time($ph1ent) . "s";
|
|
2148
|
}
|
|
2149
|
|
|
2150
|
/* Reauth (Any) */
|
|
2151
|
$conn['reauth_time'] = ipsec_get_reauth_time($ph1ent) . "s";
|
|
2152
|
|
|
2153
|
/* Over Time */
|
|
2154
|
$conn['over_time'] = ipsec_get_over_time($ph1ent) . "s";
|
|
2155
|
|
|
2156
|
/* Rand Time */
|
|
2157
|
$conn['rand_time'] = ipsec_get_rand_time($ph1ent) . "s";
|
|
2158
|
|
|
2159
|
/* NAT Traversal */
|
|
2160
|
$conn['encap'] = ($ph1ent['nat_traversal'] == 'force') ? "yes" : "no";
|
|
2161
|
|
|
2162
|
/* MOBIKE support */
|
|
2163
|
$conn['mobike'] = ($ph1ent['mobike'] == 'on') ? "yes" : "no";
|
|
2164
|
|
|
2165
|
/* TFC Padding */
|
|
2166
|
if (isset($ph1ent['tfc_enable'])) {
|
|
2167
|
$conn['tfc_padding'] = (isset($ph1ent['tfc_bytes']) && is_numericint($ph1ent['tfc_bytes'])) ? $ph1ent['tfc_bytes'] : "mtu";
|
|
2168
|
}
|
|
2169
|
|
|
2170
|
/* Custom Ports */
|
|
2171
|
if (isset($ph1ent['ikeport'])) {
|
|
2172
|
/* For a connection without encapsulation, do not set local_port */
|
|
2173
|
$conn['remote_port'] = $ph1ent['ikeport'];
|
|
2174
|
} elseif (isset($ph1ent['nattport'])) {
|
|
2175
|
/* For an encapsulated connection,
|
|
2176
|
* set local_port to the server NAT-T port value or default (4500) */
|
|
2177
|
$conn['local_port'] = isset($config['ipsec']['port_nat_t']) ? $config['ipsec']['port_nat_t'] : 4500;
|
|
2178
|
$conn['remote_port'] = $ph1ent['nattport'];
|
|
2179
|
}
|
|
2180
|
|
|
2181
|
/* Arrays for P2s/children */
|
|
2182
|
$children = array();
|
|
2183
|
$remote_ts_spec = array();
|
|
2184
|
$local_ts_spec = array();
|
|
2185
|
$reqids = array();
|
|
2186
|
$has_vti = false;
|
|
2187
|
$ealgoAHsp2arr = array();
|
|
2188
|
$ealgoESPsp2arr = array();
|
|
2189
|
$suffix = 0;
|
|
2190
|
|
|
2191
|
foreach ($ph1ent['p2'] as $ph2ent) {
|
|
2192
|
/* If this entry is disabled, or cannot be configured, skip. */
|
|
2193
|
if (isset($ph2ent['disabled']) ||
|
|
2194
|
(isset($ph2ent['mobile']) && !isset($a_client['enable']))) {
|
|
2195
|
continue;
|
|
2196
|
}
|
|
2197
|
$child = array();
|
|
2198
|
$local_ts = "";
|
|
2199
|
$remote_ts = "";
|
|
2200
|
if (($ph2ent['mode'] == 'tunnel') or ($ph2ent['mode'] == 'tunnel6')) {
|
|
2201
|
/* Normal tunnel child config */
|
|
2202
|
$child['mode'] = "tunnel";
|
|
2203
|
$child['policies'] = "yes";
|
|
2204
|
|
|
2205
|
$localid_type = $ph2ent['localid']['type'];
|
|
2206
|
$localsubnet_data = ipsec_idinfo_to_cidr($ph2ent['localid'], false, $ph2ent['mode']);
|
|
2207
|
|
|
2208
|
/* Do not print localid in some cases, such as a pure-psk or psk/xauth single phase2 mobile tunnel */
|
|
2209
|
if (($localid_type == "none" || $localid_type == "mobile") &&
|
|
2210
|
isset($ph1ent['mobile']) && (ipsec_get_number_of_phase2($ikeid) == 1)) {
|
|
2211
|
$local_spec = '0.0.0.0/0,::/0';
|
|
2212
|
} else {
|
|
2213
|
if ($localid_type != "address") {
|
|
2214
|
$localid_type = "subnet";
|
|
2215
|
}
|
|
2216
|
// Don't let an empty subnet into config, it can cause parse errors. Ticket #2201.
|
|
2217
|
if (!is_ipaddr($localsubnet_data) && !is_subnet($localsubnet_data) && ($localsubnet_data != "0.0.0.0/0")) {
|
|
2218
|
log_error("Invalid IPsec Phase 2 \"{$ph2ent['descr']}\" - {$ph2ent['localid']['type']} has no subnet.");
|
|
2219
|
continue;
|
|
2220
|
}
|
|
2221
|
if (!empty($ph2ent['natlocalid'])) {
|
|
2222
|
$natlocalsubnet_data = ipsec_idinfo_to_cidr($ph2ent['natlocalid'], false, $ph2ent['mode']);
|
|
2223
|
if ($ph2ent['natlocalid']['type'] != "address") {
|
|
2224
|
if (is_subnet($natlocalsubnet_data)) {
|
|
2225
|
$localsubnet_data = "{$natlocalsubnet_data}|{$localsubnet_data}";
|
|
2226
|
}
|
|
2227
|
} else {
|
|
2228
|
if (is_ipaddr($natlocalsubnet_data)) {
|
|
2229
|
$localsubnet_data = "{$natlocalsubnet_data}|{$localsubnet_data}";
|
|
2230
|
}
|
|
2231
|
}
|
|
2232
|
$natfilterrules = true;
|
|
2233
|
}
|
|
2234
|
}
|
|
2235
|
|
|
2236
|
$local_ts = $localsubnet_data;
|
|
2237
|
|
|
2238
|
if (!isset($ph2ent['mobile'])) {
|
|
2239
|
$remote_ts = ipsec_idinfo_to_cidr($ph2ent['remoteid'], false, $ph2ent['mode']);
|
|
2240
|
} else if (!empty($a_client['pool_address'])) {
|
|
2241
|
$remote_ts = "{$a_client['pool_address']}/{$a_client['pool_netbits']}";
|
|
2242
|
}
|
|
2243
|
|
|
2244
|
} elseif ($ph2ent['mode'] == 'vti') {
|
|
2245
|
/* VTI-specific child config */
|
|
2246
|
$child['policies'] = "no";
|
|
2247
|
/* VTI cannot use trap policies, so start automatically instead */
|
|
2248
|
$start_action = 'start';
|
|
2249
|
if ($child_params['dpd_action'] == "trap") {
|
|
2250
|
$child_params['dpd_action'] = "restart";
|
|
2251
|
}
|
|
2252
|
$localid_type = $ph2ent['localid']['type'];
|
|
2253
|
$localsubnet_data = ipsec_idinfo_to_cidr($ph2ent['localid'], false, $ph2ent['mode']);
|
|
2254
|
$local_ts = $localsubnet_data;
|
|
2255
|
$remote_ts = ipsec_idinfo_to_cidr($ph2ent['remoteid'], false, $ph2ent['mode']);
|
|
2256
|
$has_vti = true;
|
|
2257
|
} else {
|
|
2258
|
/* Transport mode child config */
|
|
2259
|
$child['mode'] = "transport";
|
|
2260
|
$child['policies'] = "yes";
|
|
2261
|
|
|
2262
|
if ((($ph1ent['authentication_method'] == "xauth_psk_server") ||
|
|
2263
|
($ph1ent['authentication_method'] == "pre_shared_key")) &&
|
|
2264
|
isset($ph1ent['mobile'])) {
|
|
2265
|
$local_spec = "0.0.0.0/0,::/0";
|
|
2266
|
} else {
|
|
2267
|
$local_ts = ipsec_get_phase1_src($ph1ent);
|
|
2268
|
}
|
|
2269
|
|
|
2270
|
if (!isset($ph2ent['mobile'])) {
|
|
2271
|
$remote_ts = $remote_spec;
|
|
2272
|
}
|
|
2273
|
}
|
|
2274
|
|
|
2275
|
if (!empty($local_ts)) {
|
|
2276
|
$local_ts_spec[] = $local_ts;
|
|
2277
|
}
|
|
2278
|
if (!empty($remote_ts)) {
|
|
2279
|
$remote_ts_spec[] = $remote_ts;
|
|
2280
|
}
|
|
2281
|
|
|
2282
|
/* If a PFS group is configured on the Mobile Clients tab,
|
|
2283
|
* and this is a mobile P2, use it here. */
|
|
2284
|
if (isset($a_client['pfs_group']) && isset($ph2ent['mobile'])) {
|
|
2285
|
$ph2ent['pfsgroup'] = $a_client['pfs_group'];
|
|
2286
|
}
|
|
2287
|
|
|
2288
|
$reqids[] = $ph2ent['reqid'];
|
|
2289
|
|
|
2290
|
if (!empty($ph2ent['lifetime'])) {
|
|
2291
|
$child['life_time'] = ipsec_get_life_time($ph2ent) . "s";
|
|
2292
|
/* Rekey at 90% of lifetime */
|
|
2293
|
$child['rekey_time'] = ipsec_get_rekey_time($ph2ent) . "s";
|
|
2294
|
/* Random rekey fuzz time */
|
|
2295
|
$child['rand_time'] = ipsec_get_rand_time($ph2ent) . "s";
|
|
2296
|
}
|
|
2297
|
|
|
2298
|
/* If we are to act only as a responder, disable the start action */
|
|
2299
|
$child['start_action'] = isset($ph1ent['responderonly']) ? 'none' : $start_action;
|
|
2300
|
|
|
2301
|
/* Setup child SA proposals */
|
|
2302
|
$proposal = array();
|
|
2303
|
$ph2ent_ealgos = array();
|
|
2304
|
$ph2ent_ealgos_aead = array();
|
|
2305
|
if ($ph2ent['protocol'] == 'esp') {
|
|
2306
|
if (is_array($ph2ent['encryption-algorithm-option'])) {
|
|
2307
|
foreach ($ph2ent['encryption-algorithm-option'] as $ealg) {
|
|
2308
|
if (strpos($ealg['name'], "gcm")) {
|
|
2309
|
/* put AEAD ciphers on top,
|
|
2310
|
* see https://redmine.pfsense.org/issues/11078 */
|
|
2311
|
$ph2ent_ealgos_aead[] = $ealg;
|
|
2312
|
} else {
|
|
2313
|
$ph2ent_ealgos[] = $ealg;
|
|
2314
|
}
|
|
2315
|
}
|
|
2316
|
$ph2ent_ealgos = array_merge(array_reverse($ph2ent_ealgos_aead), $ph2ent_ealgos);
|
|
2317
|
foreach ($ph2ent_ealgos as $ealg) {
|
|
2318
|
$ealg_id = $ealg['name'];
|
|
2319
|
$ealg_kl = $ealg['keylen'];
|
|
2320
|
|
|
2321
|
if (!empty($ealg_kl) && $ealg_kl == "auto") {
|
|
2322
|
if (empty($p2_ealgos) || !is_array($p2_ealgos)) {
|
|
2323
|
require_once("ipsec.inc");
|
|
2324
|
}
|
|
2325
|
$key_hi = $p2_ealgos[$ealg_id]['keysel']['hi'];
|
|
2326
|
$key_lo = $p2_ealgos[$ealg_id]['keysel']['lo'];
|
|
2327
|
$key_step = $p2_ealgos[$ealg_id]['keysel']['step'];
|
|
2328
|
/* XXX: in some cases where include ordering is suspect these variables
|
|
2329
|
* are somehow 0 and we enter this loop forever and timeout after 900
|
|
2330
|
* seconds wrecking bootup */
|
|
2331
|
if ($key_hi != 0 and $key_lo != 0 and $key_step != 0) {
|
|
2332
|
for ($keylen = $key_hi; $keylen >= $key_lo; $keylen -= $key_step) {
|
|
2333
|
$proposal[] = ipsec_setup_proposal_entry($ph2ent, $ealgoESPsp2arr, $ealg_id, $keylen);
|
|
2334
|
}
|
|
2335
|
}
|
|
2336
|
} else {
|
|
2337
|
$proposal[] = ipsec_setup_proposal_entry($ph2ent, $ealgoESPsp2arr, $ealg_id, $ealg_kl);
|
|
2338
|
}
|
|
2339
|
}
|
|
2340
|
}
|
|
2341
|
} else if ($ph2ent['protocol'] == 'ah') {
|
|
2342
|
$proposal[] = ipsec_setup_proposal_entry($ph2ent, $ealgoAHsp2arr, '', '');
|
|
2343
|
}
|
|
2344
|
|
|
2345
|
/* Not mobile, and IKEv1 or Split Connections active */
|
|
2346
|
if (!isset($ph1ent['mobile']) && (($ikeversion == 1) || isset($ph1ent['splitconn']))) {
|
|
2347
|
if (!empty($remote_ts)) {
|
|
2348
|
/* Setup child sub-connections using unique names with a suffix */
|
|
2349
|
if (get_ipsecifnum($ph1ent['ikeid'], $idx)) {
|
|
2350
|
$subconnum = get_ipsecifnum($ph1ent['ikeid'], $idx);
|
|
2351
|
} else {
|
|
2352
|
$subconnum = "{$ph1ent['ikeid']}00000";
|
|
2353
|
}
|
|
2354
|
|
|
2355
|
$subconname = "con" . ($subconnum + $suffix);
|
|
2356
|
$children[$subconname] = $child;
|
|
2357
|
$children[$subconname]['local_ts'] = $local_ts;
|
|
2358
|
$children[$subconname]['remote_ts'] = $remote_ts;
|
|
2359
|
if ($has_vti) {
|
|
2360
|
ipsec_setup_vtireq($children[$subconname], $ipsec_vti_cleanup_ifs, $ph1ent['ikeid'], $suffix);
|
|
2361
|
}
|
|
2362
|
if (!empty($ph2ent['protocol']) && !empty($proposal)) {
|
|
2363
|
$children[$subconname][$ph2ent['protocol'] . '_proposals'] = implode(',', $proposal);
|
|
2364
|
}
|
|
2365
|
} else {
|
|
2366
|
log_error(sprintf(gettext("No phase2 specifications for tunnel with REQID = %s"), $ikeid));
|
|
2367
|
}
|
|
2368
|
} else {
|
|
2369
|
/* TODO: Fix this to nicely merge all P2 params for single child case */
|
|
2370
|
if (!is_array($children[$cname])) {
|
|
2371
|
$children[$cname] = array();
|
|
2372
|
}
|
|
2373
|
$children[$cname] = array_merge($children[$cname], $child);
|
|
2374
|
}
|
|
2375
|
$suffix++;
|
|
2376
|
}
|
|
2377
|
|
|
2378
|
$conn['local_addrs'] = $local_spec;
|
|
2379
|
$conn['remote_addrs'] = $remote_spec;
|
|
2380
|
|
|
2381
|
$pools = array();
|
|
2382
|
if (isset($ph1ent['mobile'])) {
|
|
2383
|
if (($ph1ent['authentication_method'] == 'eap-radius') &&
|
|
2384
|
empty($a_client['pool_address']) && empty($a_client['pool_address_v6'])) {
|
|
2385
|
$pools[] = "radius";
|
|
2386
|
} else {
|
|
2387
|
if (!empty($a_client['pool_address'])) {
|
|
2388
|
$pools[] = "mobile-pool-v4";
|
|
2389
|
}
|
|
2390
|
if (!empty($a_client['pool_address_v6'])) {
|
|
2391
|
$pools[] = "mobile-pool-v6";
|
|
2392
|
}
|
|
2393
|
if (isset($a_client['radius_ip_priority_enable'])) {
|
|
2394
|
$pools[] .= "radius";
|
|
2395
|
}
|
|
2396
|
}
|
|
2397
|
}
|
|
2398
|
if (!empty($pools)) {
|
|
2399
|
$conn['pools'] = implode(', ', $pools);
|
|
2400
|
}
|
|
2401
|
|
|
2402
|
/* For IKEv2 without Split Connections, setup combined sets of
|
|
2403
|
* local/remote traffic selectors and propsals */
|
|
2404
|
if (!(!isset($ph1ent['mobile']) && (($ikeversion == 1) || isset($ph1ent['splitconn'])))) {
|
|
2405
|
if (!isset($ph1ent['mobile']) && !empty($remote_ts_spec)) {
|
|
2406
|
$children[$cname]['remote_ts'] = implode(",", $remote_ts_spec);
|
|
2407
|
}
|
|
2408
|
if (!empty($local_ts_spec)) {
|
|
2409
|
$children[$cname]['local_ts'] = implode(",", $local_ts_spec);
|
|
2410
|
}
|
|
2411
|
if ($has_vti) {
|
|
2412
|
ipsec_setup_vtireq($children[$cname], $ipsec_vti_cleanup_ifs, $ph1ent['ikeid']);
|
|
2413
|
}
|
|
2414
|
if (!empty($ealgoAHsp2arr)) {
|
|
2415
|
$children[$cname]['ah_proposals'] = implode(',', array_unique($ealgoAHsp2arr));
|
|
2416
|
}
|
|
2417
|
if (!empty($ealgoESPsp2arr)) {
|
|
2418
|
$children[$cname]['esp_proposals'] = implode(',', array_unique($ealgoESPsp2arr));
|
|
2419
|
}
|
|
2420
|
}
|
|
2421
|
|
|
2422
|
/* Setup connection authentication */
|
|
2423
|
ipsec_setup_authentication($ph1ent, $conn);
|
|
2424
|
|
|
2425
|
/* Add children to this connection, including default child parameters */
|
|
2426
|
if (count($children)) {
|
|
2427
|
foreach($children as $name => $child) {
|
|
2428
|
$conn['children'][$name] = array_merge($child_params, $child);
|
|
2429
|
}
|
|
2430
|
}
|
|
2431
|
|
|
2432
|
}
|
|
2433
|
|
|
2434
|
return;
|
|
2435
|
}
|
|
2436
|
|
|
2437
|
/****f* ipsec/ipsec_setup_secrets
|
|
2438
|
* NAME
|
|
2439
|
* ipsec_setup_secrets - Setup swanctl authentication secrets
|
|
2440
|
* INPUTS
|
|
2441
|
* None
|
|
2442
|
* RESULT
|
|
2443
|
* Returns a swanctl array containing secrets (PSKs, certs, etc) and writes out
|
|
2444
|
* necessary CA, CRL, and certificate data.
|
|
2445
|
******/
|
|
2446
|
function ipsec_setup_secrets() {
|
|
2447
|
global $config, $a_phase1, $ipsec_swanctl_dirs, $ipseccfg, $rgmap, $scconf;
|
|
2448
|
|
|
2449
|
$suffix = 0;
|
|
2450
|
|
|
2451
|
/* write out CRL files */
|
|
2452
|
if (is_array($config['crl']) && count($config['crl'])) {
|
|
2453
|
foreach ($config['crl'] as $crl) {
|
|
2454
|
if (!isset($crl['text'])) {
|
|
2455
|
log_error(sprintf(gettext("Warning: Missing CRL data for %s"), $crl['descr']));
|
|
2456
|
continue;
|
|
2457
|
}
|
|
2458
|
$fpath = "{$ipsec_swanctl_dirs['crlpath']}/{$crl['refid']}.crl";
|
|
2459
|
if (!@file_put_contents($fpath, base64_decode($crl['text']))) {
|
|
2460
|
log_error(sprintf(gettext("Error: Cannot write IPsec CRL file for %s"), $crl['descr']));
|
|
2461
|
continue;
|
|
2462
|
}
|
|
2463
|
}
|
|
2464
|
}
|
|
2465
|
|
|
2466
|
$vpncas = array();
|
|
2467
|
if (is_array($a_phase1) && count($a_phase1)) {
|
|
2468
|
foreach ($a_phase1 as $ph1ent) {
|
|
2469
|
if (isset($ph1ent['disabled'])) {
|
|
2470
|
continue;
|
|
2471
|
}
|
|
2472
|
|
|
2473
|
if (strstr($ph1ent['authentication_method'], 'cert') ||
|
|
2474
|
in_array($ph1ent['authentication_method'], array('eap-mschapv2', 'eap-tls', 'eap-radius'))) {
|
|
2475
|
/* Write certificate and private key, point to private key */
|
|
2476
|
$certline = '';
|
|
2477
|
|
|
2478
|
$ikeid = $ph1ent['ikeid'];
|
|
2479
|
$cert = lookup_cert($ph1ent['certref']);
|
|
2480
|
|
|
2481
|
if (!$cert) {
|
|
2482
|
log_error(sprintf(gettext("Error: Invalid phase1 certificate reference for %s"), $ph1ent['name']));
|
|
2483
|
continue;
|
|
2484
|
}
|
|
2485
|
|
|
2486
|
/* add signing CA cert chain of server cert
|
|
2487
|
* to the list of CAs to write
|
|
2488
|
*/
|
|
2489
|
$cachain = ca_chain_array($cert);
|
|
2490
|
if ($cachain && is_array($cachain)) {
|
|
2491
|
foreach ($cachain as $cacrt) {
|
|
2492
|
$vpncas[$cacrt['refid']] = $cacrt;
|
|
2493
|
}
|
|
2494
|
}
|
|
2495
|
|
|
2496
|
@chmod($ipsec_swanctl_dirs['certpath'], 0600);
|
|
2497
|
|
|
2498
|
$ph1keyfile = "{$ipsec_swanctl_dirs['keypath']}/cert-{$ikeid}.key";
|
|
2499
|
if (!file_put_contents($ph1keyfile, base64_decode($cert['prv']))) {
|
|
2500
|
log_error(sprintf(gettext("Error: Cannot write phase1 key file for %s"), $ph1ent['name']));
|
|
2501
|
continue;
|
|
2502
|
}
|
|
2503
|
@chmod($ph1keyfile, 0600);
|
|
2504
|
|
|
2505
|
$ph1certfile = "{$ipsec_swanctl_dirs['certpath']}/cert-{$ikeid}.crt";
|
|
2506
|
if (!file_put_contents($ph1certfile, base64_decode($cert['crt']))) {
|
|
2507
|
log_error(sprintf(gettext("Error: Cannot write phase1 certificate file for %s"), $ph1ent['name']));
|
|
2508
|
@unlink($ph1keyfile);
|
|
2509
|
continue;
|
|
2510
|
}
|
|
2511
|
@chmod($ph1certfile, 0600);
|
|
2512
|
|
|
2513
|
$scconf['secrets']['private-' . $suffix++] = array('file' => $ph1keyfile);
|
|
2514
|
} else if (strstr($ph1ent['authentication_method'], 'pkcs11')) {
|
|
2515
|
$p11_id = array();
|
|
2516
|
$output = shell_exec('/usr/local/bin/pkcs15-tool -c');
|
|
2517
|
preg_match_all('/ID\s+: (.*)/', $output, $p11_id);
|
|
2518
|
if (!empty($ph1ent['pkcs11certref']) && in_array($ph1ent['pkcs11certref'], $p11_id[1])) {
|
|
2519
|
$scconf['secrets']['token-' . $suffix++] = array(
|
|
2520
|
'handle' => $ph1ent['pkcs11certref'],
|
|
2521
|
'pin' => $ph1ent['pkcs11pin'],
|
|
2522
|
);
|
|
2523
|
} else {
|
|
2524
|
log_error(sprintf(gettext("Error: Invalid phase1 PKCS#11 certificate reference or PKCS#11 is not present for %s"), $ph1ent['name']));
|
|
2525
|
continue;
|
|
2526
|
}
|
|
2527
|
} else {
|
|
2528
|
/* Setup pre-shared keys */
|
|
2529
|
list($myid_type, $myid_data) = ipsec_find_id($ph1ent, 'local');
|
|
2530
|
list($peerid_type, $peerid_data) = ipsec_find_id($ph1ent, 'peer', $rgmap);
|
|
2531
|
$myid = trim($myid_data);
|
|
2532
|
|
|
2533
|
if (empty($peerid_data)) {
|
|
2534
|
continue;
|
|
2535
|
}
|
|
2536
|
|
|
2537
|
$myid = isset($ph1ent['mobile']) ? ipsec_fixup_id($myid_type, trim($myid_data)) : "%any";
|
|
2538
|
$peerid = ($peerid_data != 'allusers') ? ipsec_fixup_id($peerid_type, trim($peerid_data)) : '';
|
|
2539
|
|
|
2540
|
if (!empty($ph1ent['pre-shared-key'])) {
|
|
2541
|
$scconf['secrets']['ike-' . $suffix++] = array(
|
|
2542
|
'secret' => '0s' . base64_encode(trim($ph1ent['pre-shared-key'])),
|
|
2543
|
'id-0' => $myid,
|
|
2544
|
'id-1' => $peerid,
|
|
2545
|
);
|
|
2546
|
if (isset($ph1ent['mobile'])) {
|
|
2547
|
$scconf['secrets']['ike-' . $suffix++] = array(
|
|
2548
|
'secret' => '0s' . base64_encode(trim($ph1ent['pre-shared-key'])),
|
|
2549
|
'id-0' => $myid,
|
|
2550
|
'id-1' => '%any',
|
|
2551
|
);
|
|
2552
|
$scconf['secrets']['ike-' . $suffix++] = array(
|
|
2553
|
'secret' => '0s' . base64_encode(trim($ph1ent['pre-shared-key'])),
|
|
2554
|
);
|
|
2555
|
}
|
|
2556
|
}
|
|
2557
|
}
|
|
2558
|
|
|
2559
|
/* if the client authenticates with a cert add the
|
|
2560
|
* client cert CA chain to the list of CAs to write
|
|
2561
|
*/
|
|
2562
|
if (in_array($ph1ent['authentication_method'],
|
|
2563
|
array('cert', 'eap-tls', 'xauth_cert_server', 'pkcs11'))) {
|
|
2564
|
if (!empty($ph1ent['caref']) && !array_key_exists($ph1ent['caref'], $vpncas)) {
|
|
2565
|
$thisca = lookup_ca($ph1ent['caref']);
|
|
2566
|
$vpncas[$ph1ent['caref']] = $thisca;
|
|
2567
|
/* follow chain up to root */
|
|
2568
|
$cachain = ca_chain_array($thisca);
|
|
2569
|
if ($cachain and is_array($cachain)) {
|
|
2570
|
foreach ($cachain as $cacrt) {
|
|
2571
|
$vpncas[$cacrt['refid']] = $cacrt;
|
|
2572
|
}
|
|
2573
|
}
|
|
2574
|
}
|
|
2575
|
}
|
|
2576
|
}
|
|
2577
|
}
|
|
2578
|
|
|
2579
|
/* Write the required CAs */
|
|
2580
|
foreach ($vpncas as $carefid => $cadata) {
|
|
2581
|
$cacrt = base64_decode($cadata['crt']);
|
|
2582
|
$cacrtattrs = openssl_x509_parse($cacrt);
|
|
2583
|
if (!is_array($cacrtattrs) || !isset($cacrtattrs['hash'])) {
|
|
2584
|
log_error(sprintf(gettext("Error: Invalid certificate hash info for %s"), $cadata['descr']));
|
|
2585
|
continue;
|
|
2586
|
}
|
|
2587
|
$cafilename = "{$ipsec_swanctl_dirs['capath']}/{$cacrtattrs['hash']}.0";
|
|
2588
|
if (!@file_put_contents($cafilename, $cacrt)) {
|
|
2589
|
log_error(sprintf(gettext("Error: Cannot write IPsec CA file for %s"), $cadata['descr']));
|
|
2590
|
continue;
|
|
2591
|
}
|
|
2592
|
}
|
|
2593
|
|
|
2594
|
/* Add user PSKs */
|
|
2595
|
if (is_array($config['system']) && is_array($config['system']['user'])) {
|
|
2596
|
foreach ($config['system']['user'] as $user) {
|
|
2597
|
if (!empty($user['ipsecpsk'])) {
|
|
2598
|
$scconf['secrets']['ike-' . $suffix++] = array(
|
|
2599
|
'secret' => '0s' . base64_encode(trim($user['ipsecpsk'])),
|
|
2600
|
'id-0' => $myid,
|
|
2601
|
'id-1' => $user['name'],
|
|
2602
|
);
|
|
2603
|
}
|
|
2604
|
}
|
|
2605
|
unset($user);
|
|
2606
|
}
|
|
2607
|
|
|
2608
|
/* add PSKs for mobile clients */
|
|
2609
|
if (is_array($ipseccfg['mobilekey'])) {
|
|
2610
|
foreach ($ipseccfg['mobilekey'] as $key) {
|
|
2611
|
if (($key['ident'] == 'allusers') ||
|
|
2612
|
($key['ident'] == 'any')) {
|
|
2613
|
$key['ident'] = '%any';
|
|
2614
|
}
|
|
2615
|
$userkeyprefix = (strtolower($key['type']) == 'eap') ? 'eap' : 'ike';
|
|
2616
|
$scconf['secrets'][$userkeyprefix . '-' . $suffix++] = array(
|
|
2617
|
'secret' => '0s' . base64_encode(trim($key['pre-shared-key'])),
|
|
2618
|
'id-0' => $key['ident'],
|
|
2619
|
);
|
|
2620
|
}
|
|
2621
|
unset($key);
|
|
2622
|
}
|
|
2623
|
return;
|
|
2624
|
}
|
|
2625
|
|
|
2626
|
/****f* ipsec/ipsec_configure
|
|
2627
|
* NAME
|
|
2628
|
* ipsec_configure - Configure IPsec
|
|
2629
|
* INPUTS
|
|
2630
|
* $restart: Boolean (default false), whether or not to restart the IPsec
|
|
2631
|
* daemons.
|
|
2632
|
* RESULT
|
|
2633
|
* IPsec-related configuration files are written, daemon is started or stopped
|
|
2634
|
* appropriately.
|
|
2635
|
******/
|
|
2636
|
function ipsec_configure($restart = false) {
|
|
2637
|
global $aggressive_mode_psk, $a_client, $a_phase1, $a_phase2, $config,
|
|
2638
|
$filterdns_list, $g, $ifacesuse, $ipsec_idhandling, $ipsec_log_cats,
|
|
2639
|
$ipsec_log_sevs, $ipsec_swanctl_basedir, $ipsec_swanctl_dirs,
|
|
2640
|
$ipseccfg, $mobile_ipsec_auth, $natfilterrules, $p1_ealgos,
|
|
2641
|
$p2_ealgos, $rgmap, $sa, $sn, $scconf, $tunnels, $mobile_configured,
|
|
2642
|
$ipsec_vti_cleanup_ifs, $conn_defaults, $pool_addrs;
|
|
2643
|
|
|
2644
|
/* service may have been enabled, disabled, or otherwise changed in a
|
|
2645
|
*way requiring rule updates */
|
|
2646
|
filter_configure();
|
|
2647
|
|
|
2648
|
if (!ipsec_enabled()) {
|
|
2649
|
/* IPsec is disabled */
|
|
2650
|
/* Stop charon */
|
|
2651
|
mwexec("/usr/local/sbin/strongswanrc stop");
|
|
2652
|
/* Stop dynamic monitoring */
|
|
2653
|
killbypid("{$g['varrun_path']}/filterdns-ipsec.pid");
|
|
2654
|
/* Wait for process to die */
|
|
2655
|
sleep(2);
|
|
2656
|
/* Shutdown enc0 interface*/
|
|
2657
|
mwexec("/sbin/ifconfig enc0 down");
|
|
2658
|
ipsec_gre_default_mtu();
|
|
2659
|
return 0;
|
|
2660
|
} else {
|
|
2661
|
/* Startup enc0 interface */
|
|
2662
|
mwexec("/sbin/ifconfig enc0 up");
|
|
2663
|
}
|
|
2664
|
|
|
2665
|
if (platform_booting()) {
|
|
2666
|
echo gettext("Configuring IPsec VPN... ");
|
|
2667
|
}
|
|
2668
|
|
|
2669
|
$ipsecstartlock = lock('ipsec', LOCK_EX);
|
|
2670
|
|
|
2671
|
/* Prepare automatic ping_hosts.sh data */
|
|
2672
|
unlink_if_exists("{$g['vardb_path']}/ipsecpinghosts");
|
|
2673
|
touch("{$g['vardb_path']}/ipsecpinghosts");
|
|
2674
|
$ipsecpinghostsactive = false;
|
|
2675
|
|
|
2676
|
/* Populate convenience variables */
|
|
2677
|
$syscfg = $config['system'];
|
|
2678
|
init_config_arr(array('ipsec', 'phase1'));
|
|
2679
|
$ipseccfg = $config['ipsec'];
|
|
2680
|
$a_phase1 = $config['ipsec']['phase1'];
|
|
2681
|
init_config_arr(array('ipsec', 'phase2'));
|
|
2682
|
$a_phase2 = $config['ipsec']['phase2'];
|
|
2683
|
init_config_arr(array('ipsec', 'client'));
|
|
2684
|
$a_client = $config['ipsec']['client'];
|
|
2685
|
|
|
2686
|
$mobile_configured = false;
|
|
2687
|
|
|
2688
|
/* Setup a single structured array to process, to avoid repeatedly
|
|
2689
|
* looping through the arrays to locate entries later. */
|
|
2690
|
$tunnels = array();
|
|
2691
|
foreach ($a_phase1 as $p1) {
|
|
2692
|
if (empty($p1)) {
|
|
2693
|
continue;
|
|
2694
|
}
|
|
2695
|
if (isset($p1['mobile']) && !isset($p1['disabled'])) {
|
|
2696
|
$mobile_configured = true;
|
|
2697
|
}
|
|
2698
|
$tunnels[$p1['ikeid']] = $p1;
|
|
2699
|
$tunnels[$p1['ikeid']]['p2'] = array();
|
|
2700
|
}
|
|
2701
|
foreach ($a_phase2 as $p2) {
|
|
2702
|
$tunnels[$p2['ikeid']]['p2'][] = $p2;
|
|
2703
|
}
|
|
2704
|
|
|
2705
|
$ipsec_vti_cleanup_ifs = array();
|
|
2706
|
$rgmap = array();
|
|
2707
|
$filterdns_list = array();
|
|
2708
|
$aggressive_mode_psk = false;
|
|
2709
|
$mobile_ipsec_auth = "";
|
|
2710
|
$ifacesuse = array();
|
|
2711
|
$natfilterrules = false;
|
|
2712
|
|
|
2713
|
/* Configure asynchronous crypto. See https://redmine.pfsense.org/issues/8772 */
|
|
2714
|
set_sysctl(array('net.inet.ipsec.async_crypto' => (int) (isset($ipseccfg['async_crypto']) && ($ipseccfg['async_crypto'] == "enabled"))));
|
|
2715
|
|
|
2716
|
/* Build a list of all IPsec interfaces configured on the firewall at the OS level */
|
|
2717
|
foreach (get_interface_arr() as $thisif) {
|
|
2718
|
if (substr($thisif, 0, 5) == "ipsec") {
|
|
2719
|
$ipsec_vti_cleanup_ifs[] = $thisif;
|
|
2720
|
}
|
|
2721
|
}
|
|
2722
|
|
|
2723
|
/* Create directory structure for IPsec */
|
|
2724
|
ipsec_create_dirs();
|
|
2725
|
|
|
2726
|
/* Setup gateways and interfaces */
|
|
2727
|
ipsec_setup_gwifs();
|
|
2728
|
|
|
2729
|
/* Setup and write strongswan.conf */
|
|
2730
|
ipsec_setup_strongswan();
|
|
2731
|
|
|
2732
|
/* Start Global Connection default values */
|
|
2733
|
$conn_defaults = array();
|
|
2734
|
/* Fragmentation is on for everyone */
|
|
2735
|
$conn_defaults['fragmentation'] = "yes";
|
|
2736
|
/* Default to 'replace' for unique IDs (was 'yes' in ipsec.conf previously) */
|
|
2737
|
$conn_defaults['unique'] = 'replace';
|
|
2738
|
/* If the configuration has a valid alternate value for unique ID handling,
|
|
2739
|
* use it instead. */
|
|
2740
|
if (!empty($config['ipsec']['uniqueids']) &&
|
|
2741
|
array_key_exists($config['ipsec']['uniqueids'], $ipsec_idhandling)) {
|
|
2742
|
$conn_defaults['unique'] = $config['ipsec']['uniqueids'];
|
|
2743
|
}
|
|
2744
|
/* Disable ipcomp for now. redmine #6167
|
|
2745
|
if (isset($config['ipsec']['compression'])) {
|
|
2746
|
$conn_defaults['compress'] = "yes";
|
|
2747
|
}
|
|
2748
|
set_single_sysctl('net.inet.ipcomp.ipcomp_enable', (isset($config['ipsec']['compression'])) ? 1 : 0);
|
|
2749
|
*/
|
|
2750
|
/* End Global Connection Defaults */
|
|
2751
|
|
|
2752
|
/* Start swanctl configuration (scconf) */
|
|
2753
|
$scconf = array();
|
|
2754
|
$scconf[] = "# This file is automatically generated. Do not edit";
|
|
2755
|
$scconf['connections'] = array();
|
|
2756
|
/* Setup IPsec bypass */
|
|
2757
|
ipsec_setup_bypass();
|
|
2758
|
/* Setup connections */
|
|
2759
|
ipsec_setup_tunnels();
|
|
2760
|
$scconf['pools'] = array();
|
|
2761
|
if ($mobile_configured) {
|
|
2762
|
/* Setup mobile address pools */
|
|
2763
|
ipsec_setup_pools();
|
|
2764
|
/* Setup per-user pools */
|
|
2765
|
ipsec_setup_userpools();
|
|
2766
|
}
|
|
2767
|
/* Setup secret data */
|
|
2768
|
$scconf['secrets'] = array();
|
|
2769
|
ipsec_setup_secrets();
|
|
2770
|
|
|
2771
|
@file_put_contents("{$g['varetc_path']}/ipsec/swanctl.conf", ipsec_strongswan_confgen($scconf));
|
|
2772
|
|
|
2773
|
/* Clean up unused VTI interfaces */
|
|
2774
|
foreach ($ipsec_vti_cleanup_ifs as $cleanif) {
|
|
2775
|
if (does_interface_exist($cleanif)) {
|
|
2776
|
mwexec("/sbin/ifconfig " . escapeshellarg($cleanif) . " destroy", false);
|
|
2777
|
}
|
|
2778
|
}
|
|
2779
|
|
|
2780
|
/* set default MTU to 1400 for GRE over IPsec, othewise to 1476 */
|
|
2781
|
ipsec_gre_default_mtu();
|
|
2782
|
|
|
2783
|
/* Manage process */
|
|
2784
|
if ($restart === true) {
|
|
2785
|
mwexec_bg("/usr/local/sbin/strongswanrc restart", false);
|
|
2786
|
} else {
|
|
2787
|
if (isvalidpid("{$g['varrun_path']}/charon.pid")) {
|
|
2788
|
mwexec_bg("/usr/local/sbin/strongswanrc reload", false);
|
|
2789
|
} else {
|
|
2790
|
mwexec_bg("/usr/local/sbin/strongswanrc start", false);
|
|
2791
|
}
|
|
2792
|
}
|
|
2793
|
|
|
2794
|
// Run ping_hosts.sh once if it's enabled to avoid wait for minicron
|
|
2795
|
if ($ipsecpinghostsactive) {
|
|
2796
|
mwexec_bg("/usr/local/bin/ping_hosts.sh");
|
|
2797
|
}
|
|
2798
|
|
|
2799
|
if ($natfilterrules == true) {
|
|
2800
|
filter_configure();
|
|
2801
|
}
|
|
2802
|
/* start filterdns, if necessary */
|
|
2803
|
if (count($filterdns_list) > 0) {
|
|
2804
|
$interval = 60;
|
|
2805
|
if (!empty($ipseccfg['dns-interval']) && is_numeric($ipseccfg['dns-interval'])) {
|
|
2806
|
$interval = $ipseccfg['dns-interval'];
|
|
2807
|
}
|
|
2808
|
|
|
2809
|
$hostnames = "";
|
|
2810
|
array_unique($filterdns_list);
|
|
2811
|
foreach ($filterdns_list as $hostname) {
|
|
2812
|
$hostnames .= "cmd {$hostname} '/usr/local/sbin/pfSctl -c \"service reload ipsecdns\"'\n";
|
|
2813
|
}
|
|
2814
|
file_put_contents("{$g['varetc_path']}/ipsec/filterdns-ipsec.hosts", $hostnames);
|
|
2815
|
unset($hostnames);
|
|
2816
|
|
|
2817
|
if (isvalidpid("{$g['varrun_path']}/filterdns-ipsec.pid")) {
|
|
2818
|
sigkillbypid("{$g['varrun_path']}/filterdns-ipsec.pid", "HUP");
|
|
2819
|
} else {
|
|
2820
|
mwexec_bg("/usr/local/sbin/filterdns -p {$g['varrun_path']}/filterdns-ipsec.pid -i {$interval} -c {$g['varetc_path']}/ipsec/filterdns-ipsec.hosts -d 1");
|
|
2821
|
}
|
|
2822
|
} else {
|
|
2823
|
killbypid("{$g['varrun_path']}/filterdns-ipsec.pid");
|
|
2824
|
@unlink("{$g['varrun_path']}/filterdns-ipsec.pid");
|
|
2825
|
}
|
|
2826
|
|
|
2827
|
if (platform_booting()) {
|
|
2828
|
echo "done\n";
|
|
2829
|
}
|
|
2830
|
|
|
2831
|
unlock($ipsecstartlock);
|
|
2832
|
return count($filterdns_list);
|
|
2833
|
}
|
|
2834
|
|
|
2835
|
function ipsec_gre_default_mtu() {
|
|
2836
|
global $config;
|
|
2837
|
|
|
2838
|
foreach ($config['interfaces'] as $if => $ifdetail) {
|
|
2839
|
if (interface_is_type($ifdetail['if'], 'gre') && !isset($ifdetail['mtu'])) {
|
|
2840
|
if (is_greipsec($ifdetail['if'])) {
|
|
2841
|
set_interface_mtu($ifdetail['if'], 1400);
|
|
2842
|
} else {
|
|
2843
|
set_interface_mtu($ifdetail['if'], 1476);
|
|
2844
|
}
|
|
2845
|
}
|
|
2846
|
}
|
|
2847
|
}
|
|
2848
|
|
|
2849
|
/* Return the larger of derived SA rekey time and reauth time */
|
|
2850
|
function ipsec_get_renewmax($entry) {
|
|
2851
|
if (empty($entry) || !is_array($entry)) {
|
|
2852
|
return 0;
|
|
2853
|
}
|
|
2854
|
return max(ipsec_get_rekey_time($entry), ipsec_get_reauth_time($entry));
|
|
2855
|
}
|
|
2856
|
|
|
2857
|
/* Determine the life time of an SA entry (Hard upper total time limit for SA before it is removed) */
|
|
2858
|
function ipsec_get_life_time($entry) {
|
|
2859
|
if (empty($entry) || !is_array($entry)) {
|
|
2860
|
return 0;
|
|
2861
|
}
|
|
2862
|
/* Use a hardcoded value if present in the configuration */
|
|
2863
|
if ($entry['lifetime'] > 0) {
|
|
2864
|
return $entry['lifetime'];
|
|
2865
|
}
|
|
2866
|
/* If rekey or reauth are enabled, attempt to derive a lifetime from one of those */
|
|
2867
|
$renewmax = ipsec_get_renewmax($entry);
|
|
2868
|
if ($renewmax > 0) {
|
|
2869
|
return intval($renewmax / 0.9);
|
|
2870
|
}
|
|
2871
|
/* To reach here, rekey_time and lifetime are both 0 which is invalid
|
|
2872
|
* Default to 16000 for p1 and 4000 for p2 */
|
|
2873
|
if ($entry['iketype']) {
|
|
2874
|
return 16000;
|
|
2875
|
} else {
|
|
2876
|
return 4000;
|
|
2877
|
}
|
|
2878
|
}
|
|
2879
|
|
|
2880
|
/* Determine the rekey time of an SA entry (Time at which to rekey IKEv2 or Child SA entries) */
|
|
2881
|
function ipsec_get_rekey_time($entry) {
|
|
2882
|
if (empty($entry) || !is_array($entry)) {
|
|
2883
|
return 0;
|
|
2884
|
}
|
|
2885
|
/* Use a hardcoded value if present in the configuration */
|
|
2886
|
if (strlen($entry['rekey_time'])) {
|
|
2887
|
/* Check via strlen since 0 is a valid value */
|
|
2888
|
return $entry['rekey_time'];
|
|
2889
|
} elseif ($entry['lifetime'] > 0) {
|
|
2890
|
/* If rekey_time is empty and lifetime is non-zero, use 90% lifetime */
|
|
2891
|
return intval($entry['lifetime'] * 0.9);
|
|
2892
|
}
|
|
2893
|
/* To reach here, rekey_time and lifetime are empty
|
|
2894
|
* Default to 14400 for p1 and 3600 for p2 */
|
|
2895
|
if ($entry['iketype']) {
|
|
2896
|
return 14400;
|
|
2897
|
} else {
|
|
2898
|
return 3600;
|
|
2899
|
}
|
|
2900
|
}
|
|
2901
|
|
|
2902
|
/* Determine the reauth time of an SA entry (IKE SA tear-down/reauthenticate) */
|
|
2903
|
function ipsec_get_reauth_time($entry) {
|
|
2904
|
if (empty($entry) || !is_array($entry)) {
|
|
2905
|
return 0;
|
|
2906
|
}
|
|
2907
|
/* Use a hardcoded value if present in the configuration */
|
|
2908
|
if (strlen($entry['reauth_time'])) {
|
|
2909
|
/* Check via strlen since 0 is a valid value */
|
|
2910
|
return $entry['reauth_time'];
|
|
2911
|
} elseif ($entry['lifetime'] > 0) {
|
|
2912
|
/* If reauth_time is empty and lifetime is non-zero,
|
|
2913
|
* use 90% lifetime for IKEv1, disable for IKEv2/auto */
|
|
2914
|
if ($entry['iketype'] == 'ikev1') {
|
|
2915
|
return intval($entry['lifetime'] * 0.9);
|
|
2916
|
} else {
|
|
2917
|
return 0;
|
|
2918
|
}
|
|
2919
|
}
|
|
2920
|
/* To reach here, rekey_time and lifetime are empty
|
|
2921
|
* Default to disabled (0) */
|
|
2922
|
return 0;
|
|
2923
|
}
|
|
2924
|
|
|
2925
|
/* Determine the over time of an SA entry (Hard upper IKE SA time limit, relative to rekey/reauth time) */
|
|
2926
|
function ipsec_get_over_time($entry) {
|
|
2927
|
if (empty($entry) || !is_array($entry)) {
|
|
2928
|
return 0;
|
|
2929
|
}
|
|
2930
|
/* Automatically derive the value for rand_time */
|
|
2931
|
$lifetime = ipsec_get_life_time($entry);
|
|
2932
|
$renewmax = ipsec_get_renewmax($entry);
|
|
2933
|
if (($lifetime > 0) && ($renewmax > 0)) {
|
|
2934
|
/* If life time and rekey/reauth time both have values, subtract to get rand time */
|
|
2935
|
return $lifetime - $renewmax;
|
|
2936
|
} elseif ($lifetime > 0) {
|
|
2937
|
/* If only life time has a value, use 10% of that */
|
|
2938
|
return intval($lifetime * 0.1);
|
|
2939
|
} elseif ($renewmax > 0) {
|
|
2940
|
/* If only rekey/reauth time has a value, use 10% of that */
|
|
2941
|
return intval($renewmax * 0.1);
|
|
2942
|
}
|
|
2943
|
/* No value can be determined, default to 0 */
|
|
2944
|
return 0;
|
|
2945
|
}
|
|
2946
|
|
|
2947
|
/* Determine the rand time of an SA entry (random value subtracted from renewal time to prevent collisions) */
|
|
2948
|
function ipsec_get_rand_time($entry) {
|
|
2949
|
if (empty($entry) || !is_array($entry)) {
|
|
2950
|
return 0;
|
|
2951
|
}
|
|
2952
|
/* Use a hardcoded value if present in the configuration */
|
|
2953
|
if (strlen($entry['rand_time'])) {
|
|
2954
|
/* Check via strlen since 0 is a valid value */
|
|
2955
|
return $entry['rand_time'];
|
|
2956
|
}
|
|
2957
|
/* Logic to automatically determine rand time is identical to calculating over time */
|
|
2958
|
return ipsec_get_over_time($entry);
|
|
2959
|
}
|
|
2960
|
|
|
2961
|
?>
|