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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) 2014-2019 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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/* 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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'yes' => 'YES', '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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'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('No action'),
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'restart' => gettext('Restart/Reconnect'),
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'clear' => gettext('Close connection and clear SA'),
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'hold' => 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 $config;
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256
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if (!isset($config['ipsec']) || !is_array($config['ipsec'])) {
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return false;
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}
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260
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261
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/* Check if we have at least one phase 1 entry. */
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262
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if (!isset($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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}
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267
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/* Check if at least one phase 1 entry is enabled. */
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foreach ($config['ipsec']['phase1'] as $phase1) {
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269
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if (!isset($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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277
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/*
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278
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* ikeid management functions
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279
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*/
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280
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281
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function ipsec_ikeid_used($ikeid) {
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global $config;
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283
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foreach ($config['ipsec']['phase1'] as $ph1ent) {
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if ($ikeid == $ph1ent['ikeid']) {
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return true;
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}
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}
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return false;
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}
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292
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293
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function ipsec_ikeid_next() {
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294
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295
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$ikeid = 1;
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296
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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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303
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/*
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304
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* Return phase1 local address
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*/
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306
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function ipsec_get_phase1_src(& $ph1ent) {
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307
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308
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if ($ph1ent['interface']) {
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if (substr($ph1ent['interface'], 0, 4) == "_vip") {
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$if = $ph1ent['interface'];
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} else {
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312
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$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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316
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}
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317
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$ip6 = get_interface_ipv6($if);
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$ip4 = get_interface_ip($if);
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319
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if ($ph1ent['protocol'] == "inet6") {
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$interfaceip = $ip6;
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} elseif ($ph1ent['protocol'] == "inet") {
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$interfaceip = $ip4;
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} elseif ($ph1ent['protocol'] == "both") {
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$ifips = array();
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325
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if (!empty($ip4)) {
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326
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$ifips[] = $ip4;
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}
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328
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if (!empty($ip6)) {
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$ifips[] = $ip6;
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}
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331
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$interfaceip = implode(',', $ifips);
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|
332
|
}
|
|
333
|
|
|
334
|
return $interfaceip;
|
|
335
|
}
|
|
336
|
|
|
337
|
/*
|
|
338
|
* Return phase1 local address
|
|
339
|
*/
|
|
340
|
function ipsec_get_phase1_dst(& $ph1ent) {
|
|
341
|
global $g;
|
|
342
|
|
|
343
|
if (empty($ph1ent['remote-gateway'])) {
|
|
344
|
return false;
|
|
345
|
}
|
|
346
|
$rg = $ph1ent['remote-gateway'];
|
|
347
|
if (!is_ipaddr($rg)) {
|
|
348
|
if (!platform_booting()) {
|
|
349
|
return resolve_retry($rg);
|
|
350
|
}
|
|
351
|
}
|
|
352
|
if (!is_ipaddr($rg)) {
|
|
353
|
return false;
|
|
354
|
}
|
|
355
|
|
|
356
|
return $rg;
|
|
357
|
}
|
|
358
|
|
|
359
|
/*
|
|
360
|
* Return phase2 idinfo in cidr format
|
|
361
|
*/
|
|
362
|
function ipsec_idinfo_to_cidr(& $idinfo, $addrbits = false, $mode = "") {
|
|
363
|
global $config;
|
|
364
|
|
|
365
|
switch ($idinfo['type']) {
|
|
366
|
case "address":
|
|
367
|
if ($addrbits) {
|
|
368
|
if ($mode == "tunnel6") {
|
|
369
|
return $idinfo['address']."/128";
|
|
370
|
} else {
|
|
371
|
return $idinfo['address']."/32";
|
|
372
|
}
|
|
373
|
} else {
|
|
374
|
return $idinfo['address'];
|
|
375
|
}
|
|
376
|
break; /* NOTREACHED */
|
|
377
|
case "network":
|
|
378
|
return "{$idinfo['address']}/{$idinfo['netbits']}";
|
|
379
|
break; /* NOTREACHED */
|
|
380
|
case "none":
|
|
381
|
case "mobile":
|
|
382
|
return '0.0.0.0/0';
|
|
383
|
break; /* NOTREACHED */
|
|
384
|
default:
|
|
385
|
if (empty($mode) && !empty($idinfo['mode'])) {
|
|
386
|
$mode = $idinfo['mode'];
|
|
387
|
}
|
|
388
|
|
|
389
|
if ($mode == "tunnel6") {
|
|
390
|
$address = get_interface_ipv6($idinfo['type']);
|
|
391
|
$netbits = get_interface_subnetv6($idinfo['type']);
|
|
392
|
$address = gen_subnetv6($address, $netbits);
|
|
393
|
return "{$address}/{$netbits}";
|
|
394
|
} else {
|
|
395
|
$address = get_interface_ip($idinfo['type']);
|
|
396
|
$netbits = get_interface_subnet($idinfo['type']);
|
|
397
|
$address = gen_subnet($address, $netbits);
|
|
398
|
return "{$address}/{$netbits}";
|
|
399
|
}
|
|
400
|
break; /* NOTREACHED */
|
|
401
|
}
|
|
402
|
}
|
|
403
|
|
|
404
|
/*
|
|
405
|
* Return phase2 idinfo in address/netmask format
|
|
406
|
*/
|
|
407
|
function ipsec_idinfo_to_subnet(& $idinfo, $addrbits = false) {
|
|
408
|
global $config;
|
|
409
|
|
|
410
|
switch ($idinfo['type']) {
|
|
411
|
case "address":
|
|
412
|
if ($addrbits) {
|
|
413
|
if ($idinfo['mode'] == "tunnel6") {
|
|
414
|
return $idinfo['address']."/128";
|
|
415
|
} else {
|
|
416
|
return $idinfo['address']."/255.255.255.255";
|
|
417
|
}
|
|
418
|
} else {
|
|
419
|
return $idinfo['address'];
|
|
420
|
}
|
|
421
|
break; /* NOTREACHED */
|
|
422
|
case "none":
|
|
423
|
case "network":
|
|
424
|
return $idinfo['address']."/".gen_subnet_mask($idinfo['netbits']);
|
|
425
|
break; /* NOTREACHED */
|
|
426
|
case "mobile":
|
|
427
|
return "0.0.0.0/0";
|
|
428
|
break; /* NOTREACHED */
|
|
429
|
default:
|
|
430
|
if ($idinfo['mode'] == "tunnel6") {
|
|
431
|
$address = get_interface_ipv6($idinfo['type']);
|
|
432
|
$netbits = get_interface_subnetv6($idinfo['type']);
|
|
433
|
$address = gen_subnetv6($address, $netbits);
|
|
434
|
return $address."/".$netbits;
|
|
435
|
} else {
|
|
436
|
$address = get_interface_ip($idinfo['type']);
|
|
437
|
$netbits = get_interface_subnet($idinfo['type']);
|
|
438
|
$address = gen_subnet($address, $netbits);
|
|
439
|
return $address."/".$netbits;
|
|
440
|
}
|
|
441
|
break; /* NOTREACHED */
|
|
442
|
}
|
|
443
|
}
|
|
444
|
|
|
445
|
/*
|
|
446
|
* Return phase2 idinfo in text format
|
|
447
|
*/
|
|
448
|
function ipsec_idinfo_to_text(& $idinfo) {
|
|
449
|
global $config;
|
|
450
|
|
|
451
|
switch ($idinfo['type']) {
|
|
452
|
case "address":
|
|
453
|
return $idinfo['address'];
|
|
454
|
break; /* NOTREACHED */
|
|
455
|
case "network":
|
|
456
|
return $idinfo['address']."/".$idinfo['netbits'];
|
|
457
|
break; /* NOTREACHED */
|
|
458
|
case "mobile":
|
|
459
|
return gettext("Mobile Client");
|
|
460
|
break; /* NOTREACHED */
|
|
461
|
case "none":
|
|
462
|
return gettext("None");
|
|
463
|
break; /* NOTREACHED */
|
|
464
|
default:
|
|
465
|
if (!empty($config['interfaces'][$idinfo['type']])) {
|
|
466
|
return convert_friendly_interface_to_friendly_descr($idinfo['type']);
|
|
467
|
} else {
|
|
468
|
return strtoupper($idinfo['type']);
|
|
469
|
}
|
|
470
|
break; /* NOTREACHED */
|
|
471
|
}
|
|
472
|
}
|
|
473
|
|
|
474
|
/*
|
|
475
|
* Return phase1 association for phase2
|
|
476
|
*/
|
|
477
|
function ipsec_lookup_phase1(& $ph2ent, & $ph1ent) {
|
|
478
|
global $config;
|
|
479
|
|
|
480
|
if (!is_array($config['ipsec'])) {
|
|
481
|
return false;
|
|
482
|
}
|
|
483
|
if (!is_array($config['ipsec']['phase1'])) {
|
|
484
|
return false;
|
|
485
|
}
|
|
486
|
if (empty($config['ipsec']['phase1'])) {
|
|
487
|
return false;
|
|
488
|
}
|
|
489
|
|
|
490
|
foreach ($config['ipsec']['phase1'] as $ph1tmp) {
|
|
491
|
if ($ph1tmp['ikeid'] == $ph2ent['ikeid']) {
|
|
492
|
$ph1ent = $ph1tmp;
|
|
493
|
return $ph1ent;
|
|
494
|
}
|
|
495
|
}
|
|
496
|
|
|
497
|
return false;
|
|
498
|
}
|
|
499
|
|
|
500
|
/*
|
|
501
|
* Check phase1 communications status
|
|
502
|
*/
|
|
503
|
function ipsec_phase1_status(&$ipsec_status, $ikeid) {
|
|
504
|
|
|
505
|
foreach ($ipsec_status as $ike) {
|
|
506
|
if ($ike['id'] == $ikeid) {
|
|
507
|
if ($ike['status'] == 'established') {
|
|
508
|
return true;
|
|
509
|
}
|
|
510
|
}
|
|
511
|
}
|
|
512
|
|
|
513
|
return false;
|
|
514
|
}
|
|
515
|
|
|
516
|
/*
|
|
517
|
* Check phase2 communications status
|
|
518
|
*/
|
|
519
|
function ipsec_phase2_status(&$ipsec_status, &$phase2) {
|
|
520
|
|
|
521
|
if (ipsec_lookup_phase1($ph2ent, $ph1ent)) {
|
|
522
|
return ipsec_phase1_status($ipsec_status, $ph1ent['ikeid']);
|
|
523
|
}
|
|
524
|
|
|
525
|
return false;
|
|
526
|
}
|
|
527
|
|
|
528
|
/*
|
|
529
|
* Wrapper to call pfSense_ipsec_list_sa() when IPsec is enabled
|
|
530
|
*/
|
|
531
|
function ipsec_list_sa() {
|
|
532
|
|
|
533
|
if (ipsec_enabled()) {
|
|
534
|
return pfSense_ipsec_list_sa();
|
|
535
|
}
|
|
536
|
|
|
537
|
return array();
|
|
538
|
}
|
|
539
|
|
|
540
|
/*
|
|
541
|
* Return dump of SPD table
|
|
542
|
*/
|
|
543
|
function ipsec_dump_spd() {
|
|
544
|
$fd = @popen("/sbin/setkey -DP", "r");
|
|
545
|
$spd = array();
|
|
546
|
if ($fd) {
|
|
547
|
while (!feof($fd)) {
|
|
548
|
$line = chop(fgets($fd));
|
|
549
|
if (!$line) {
|
|
550
|
continue;
|
|
551
|
}
|
|
552
|
if ($line == "No SPD entries.") {
|
|
553
|
break;
|
|
554
|
}
|
|
555
|
if ($line[0] != "\t") {
|
|
556
|
if (is_array($cursp)) {
|
|
557
|
$spd[] = $cursp;
|
|
558
|
}
|
|
559
|
$cursp = array();
|
|
560
|
$linea = explode(" ", $line);
|
|
561
|
$cursp['srcid'] = substr($linea[0], 0, strpos($linea[0], "["));
|
|
562
|
$cursp['dstid'] = substr($linea[1], 0, strpos($linea[1], "["));
|
|
563
|
$i = 0;
|
|
564
|
} else if (is_array($cursp)) {
|
|
565
|
$line = trim($line, "\t\r\n ");
|
|
566
|
$linea = explode(" ", $line);
|
|
567
|
switch ($i) {
|
|
568
|
case 1:
|
|
569
|
if ($linea[1] == "none") /* don't show default anti-lockout rule */ {
|
|
570
|
unset($cursp);
|
|
571
|
} else {
|
|
572
|
$cursp['dir'] = $linea[0];
|
|
573
|
}
|
|
574
|
break;
|
|
575
|
case 2:
|
|
576
|
$upperspec = explode("/", $linea[0]);
|
|
577
|
$cursp['proto'] = $upperspec[0];
|
|
578
|
list($cursp['src'], $cursp['dst']) = explode("-", $upperspec[2]);
|
|
579
|
$cursp['reqid'] = substr($upperspec[3], strpos($upperspec[3], "#")+1);
|
|
580
|
break;
|
|
581
|
}
|
|
582
|
}
|
|
583
|
$i++;
|
|
584
|
}
|
|
585
|
if (is_array($cursp) && count($cursp)) {
|
|
586
|
$spd[] = $cursp;
|
|
587
|
}
|
|
588
|
pclose($fd);
|
|
589
|
}
|
|
590
|
|
|
591
|
return $spd;
|
|
592
|
}
|
|
593
|
|
|
594
|
/*
|
|
595
|
* Return dump of SAD table
|
|
596
|
*/
|
|
597
|
function ipsec_dump_sad() {
|
|
598
|
$fd = @popen("/sbin/setkey -D", "r");
|
|
599
|
$sad = array();
|
|
600
|
if ($fd) {
|
|
601
|
while (!feof($fd)) {
|
|
602
|
$line = chop(fgets($fd));
|
|
603
|
if (!$line || $line[0] == " ") {
|
|
604
|
continue;
|
|
605
|
}
|
|
606
|
if ($line == "No SAD entries.") {
|
|
607
|
break;
|
|
608
|
}
|
|
609
|
if ($line[0] != "\t") {
|
|
610
|
if (is_array($cursa)) {
|
|
611
|
$sad[] = $cursa;
|
|
612
|
}
|
|
613
|
$cursa = array();
|
|
614
|
list($cursa['src'], $cursa['dst']) = explode(" ", $line);
|
|
615
|
} else {
|
|
616
|
$line = trim($line, "\t\n\r ");
|
|
617
|
$linea = explode(" ", $line);
|
|
618
|
foreach ($linea as $idx => $linee) {
|
|
619
|
if ($linee == 'esp' || $linee == 'ah' || $linee[0] == '#') {
|
|
620
|
$cursa['proto'] = $linee;
|
|
621
|
} else if (substr($linee, 0, 3) == 'spi') {
|
|
622
|
$cursa['spi'] = substr($linee, strpos($linee, 'x') + 1, -1);
|
|
623
|
} else if (substr($linee, 0, 5) == 'reqid') {
|
|
624
|
$cursa['reqid'] = substr($linee, strpos($linee, 'x') + 1, -1);
|
|
625
|
} else if (substr($linee, 0, 2) == 'E:') {
|
|
626
|
$cursa['ealgo'] = $linea[$idx + 1];
|
|
627
|
break;
|
|
628
|
} else if (substr($linee, 0, 2) == 'A:') {
|
|
629
|
$cursa['aalgo'] = $linea[$idx + 1];
|
|
630
|
break;
|
|
631
|
} else if (substr($linee, 0, 8) == 'current:') {
|
|
632
|
$cursa['data'] = substr($linea[$idx + 1], 0, strpos($linea[$idx + 1], 'bytes') - 1) . ' B';
|
|
633
|
break;
|
|
634
|
}
|
|
635
|
}
|
|
636
|
}
|
|
637
|
}
|
|
638
|
if (is_array($cursa) && count($cursa)) {
|
|
639
|
$sad[] = $cursa;
|
|
640
|
}
|
|
641
|
pclose($fd);
|
|
642
|
}
|
|
643
|
|
|
644
|
return $sad;
|
|
645
|
}
|
|
646
|
|
|
647
|
/*
|
|
648
|
* Return dump of mobile user list
|
|
649
|
*/
|
|
650
|
function ipsec_dump_mobile() {
|
|
651
|
global $g, $config;
|
|
652
|
|
|
653
|
if(!isset($config['ipsec']['client']['enable'])) {
|
|
654
|
return array();
|
|
655
|
}
|
|
656
|
|
|
657
|
$_gb = exec("/usr/local/sbin/ipsec leases 2>/dev/null", $output, $rc);
|
|
658
|
|
|
659
|
if ($rc != 0) {
|
|
660
|
log_error(gettext("Unable to find IPsec daemon leases file. Could not display mobile user stats!"));
|
|
661
|
return array();
|
|
662
|
}
|
|
663
|
|
|
664
|
$response = array();
|
|
665
|
$id = -1;
|
|
666
|
|
|
667
|
/* Leases in pool '10.7.200.0/24', usage: 1/254, 1 online */
|
|
668
|
$lease_regex='/^Leases *in *pool *\'(?P<name>.+)\', *usage: *(?P<usage>\d+)\/(?P<size>\d+), *(?P<online>\d+) *online/';
|
|
669
|
/* 10.7.200.1 online 'jimp' */
|
|
670
|
$pool_regex='/\s*(?P<host>[\d\.]+)\s+(?P<status>online|offline)\s+\'(?P<id>.*)\'/';
|
|
671
|
/* no matching leases found */
|
|
672
|
$nopool_regex='/no *matching *leases *found/';
|
|
673
|
|
|
674
|
$lease=false;
|
|
675
|
foreach ($output as $line) {
|
|
676
|
if (preg_match($lease_regex, $line, $matches)) {
|
|
677
|
$id++;
|
|
678
|
$response['pool'][$id] = array(
|
|
679
|
'name' => $matches['name'],
|
|
680
|
'usage' => $matches['usage'],
|
|
681
|
'size' => $matches['size'],
|
|
682
|
'online' => $matches['online'],
|
|
683
|
);
|
|
684
|
$lease=true;
|
|
685
|
} else if ($lease) {
|
|
686
|
if (preg_match($nopool_regex, $line)) {
|
|
687
|
$response['pool'][$id]['lease'][] = array();
|
|
688
|
$lease=false;
|
|
689
|
} else if (preg_match($pool_regex, $line, $matches)) {
|
|
690
|
$response['pool'][$id]['lease'][] = array(
|
|
691
|
'host' => $matches['host'],
|
|
692
|
'status' => $matches['status'],
|
|
693
|
'id' => $matches['id']
|
|
694
|
);
|
|
695
|
}
|
|
696
|
}
|
|
697
|
}
|
|
698
|
|
|
699
|
unset($_gb, $lease, $output, $rc, $id, $lease_regex, $pool_regex,
|
|
700
|
$nopool_regex);
|
|
701
|
|
|
702
|
return $response;
|
|
703
|
}
|
|
704
|
|
|
705
|
function ipsec_mobilekey_sort() {
|
|
706
|
global $config;
|
|
707
|
|
|
708
|
function mobilekeycmp($a, $b) {
|
|
709
|
return strcmp($a['ident'][0], $b['ident'][0]);
|
|
710
|
}
|
|
711
|
|
|
712
|
usort($config['ipsec']['mobilekey'], "mobilekeycmp");
|
|
713
|
}
|
|
714
|
|
|
715
|
function ipsec_get_number_of_phase2($ikeid) {
|
|
716
|
global $config;
|
|
717
|
$a_phase2 = $config['ipsec']['phase2'];
|
|
718
|
|
|
719
|
$nbph2 = 0;
|
|
720
|
|
|
721
|
if (is_array($a_phase2) && count($a_phase2)) {
|
|
722
|
foreach ($a_phase2 as $ph2tmp) {
|
|
723
|
if ($ph2tmp['ikeid'] == $ikeid) {
|
|
724
|
$nbph2++;
|
|
725
|
}
|
|
726
|
}
|
|
727
|
}
|
|
728
|
|
|
729
|
return $nbph2;
|
|
730
|
}
|
|
731
|
|
|
732
|
function ipsec_get_descr($ikeid) {
|
|
733
|
global $config;
|
|
734
|
|
|
735
|
if (!isset($config['ipsec']['phase1']) ||
|
|
736
|
!is_array($config['ipsec']['phase1'])) {
|
|
737
|
return '';
|
|
738
|
}
|
|
739
|
|
|
740
|
foreach ($config['ipsec']['phase1'] as $p1) {
|
|
741
|
if ($p1['ikeid'] == $ikeid) {
|
|
742
|
return $p1['descr'];
|
|
743
|
}
|
|
744
|
}
|
|
745
|
|
|
746
|
return '';
|
|
747
|
}
|
|
748
|
|
|
749
|
function ipsec_get_phase1($ikeid) {
|
|
750
|
global $config;
|
|
751
|
|
|
752
|
if (!isset($config['ipsec']['phase1']) ||
|
|
753
|
!is_array($config['ipsec']['phase1'])) {
|
|
754
|
return '';
|
|
755
|
}
|
|
756
|
|
|
757
|
$a_phase1 = $config['ipsec']['phase1'];
|
|
758
|
foreach ($a_phase1 as $p1) {
|
|
759
|
if ($p1['ikeid'] == $ikeid) {
|
|
760
|
return $p1;
|
|
761
|
}
|
|
762
|
}
|
|
763
|
unset($a_phase1);
|
|
764
|
}
|
|
765
|
|
|
766
|
function ipsec_fixup_ip($ipaddr) {
|
|
767
|
if (is_ipaddrv6($ipaddr) || is_subnetv6($ipaddr)) {
|
|
768
|
return text_to_compressed_ip6($ipaddr);
|
|
769
|
} else {
|
|
770
|
return $ipaddr;
|
|
771
|
}
|
|
772
|
}
|
|
773
|
|
|
774
|
function ipsec_find_id(& $ph1ent, $side = "local", $rgmap = array()) {
|
|
775
|
if ($side == "local") {
|
|
776
|
$id_type = $ph1ent['myid_type'];
|
|
777
|
$id_data = $ph1ent['myid_data'];
|
|
778
|
|
|
779
|
$addr = ipsec_get_phase1_src($ph1ent);
|
|
780
|
if (!$addr) {
|
|
781
|
return array();
|
|
782
|
}
|
|
783
|
/* When automatically guessing, use the first address. */
|
|
784
|
$addr = explode(',', $addr);
|
|
785
|
$addr = $addr[0];
|
|
786
|
} elseif ($side == "peer") {
|
|
787
|
$id_type = $ph1ent['peerid_type'];
|
|
788
|
$id_data = $ph1ent['peerid_data'];
|
|
789
|
|
|
790
|
if (isset($ph1ent['mobile'])) {
|
|
791
|
$addr = "%any";
|
|
792
|
} else {
|
|
793
|
$addr = $ph1ent['remote-gateway'];
|
|
794
|
}
|
|
795
|
} else {
|
|
796
|
return array();
|
|
797
|
}
|
|
798
|
|
|
799
|
|
|
800
|
$thisid_type = $id_type;
|
|
801
|
switch ($thisid_type) {
|
|
802
|
case 'myaddress':
|
|
803
|
$thisid_type = 'address';
|
|
804
|
$thisid_data = $addr;
|
|
805
|
break;
|
|
806
|
case 'dyn_dns':
|
|
807
|
$thisid_type = 'dns';
|
|
808
|
$thisid_data = $id_data;
|
|
809
|
break;
|
|
810
|
case 'peeraddress':
|
|
811
|
$thisid_type = 'address';
|
|
812
|
$thisid_data = $rgmap[$ph1ent['remote-gateway']];
|
|
813
|
break;
|
|
814
|
case 'address':
|
|
815
|
$thisid_data = $id_data;
|
|
816
|
break;
|
|
817
|
case 'fqdn':
|
|
818
|
$thisid_data = "{$id_data}";
|
|
819
|
break;
|
|
820
|
case 'keyid tag':
|
|
821
|
$thisid_type = 'keyid';
|
|
822
|
$thisid_data = "{$id_data}";
|
|
823
|
break;
|
|
824
|
case 'user_fqdn':
|
|
825
|
$thisid_type = 'userfqdn';
|
|
826
|
$thisid_data = "{$id_data}";
|
|
827
|
break;
|
|
828
|
case 'asn1dn':
|
|
829
|
$thisid_data = $id_data;
|
|
830
|
break;
|
|
831
|
}
|
|
832
|
return array($thisid_type, $thisid_data);
|
|
833
|
}
|
|
834
|
|
|
835
|
/*
|
|
836
|
* Fixup ID type/data to include prefix when necessary, add quotes, etc.
|
|
837
|
*/
|
|
838
|
function ipsec_fixup_id($type, $data) {
|
|
839
|
/* List of types to pass through as-is without changes or adding prefix */
|
|
840
|
$auto_types = array('address');
|
|
841
|
/* List of types which need the resulting string double quoted. */
|
|
842
|
$quote_types = array('keyid', 'asn1dn');
|
|
843
|
|
|
844
|
/* If the first character of asn1dn type data is not #, then rely on
|
|
845
|
* automatic parsing https://redmine.pfsense.org/issues/4792 */
|
|
846
|
if (($type == 'asn1dn') && !empty($data) && ($data[0] != '#')) {
|
|
847
|
$auto_types[] = 'asn1dn';
|
|
848
|
}
|
|
849
|
|
|
850
|
if ($type == 'any') {
|
|
851
|
$idstring = "";
|
|
852
|
} elseif (!in_array($type, $auto_types)) {
|
|
853
|
$idstring = "{$type}:{$data}";
|
|
854
|
} else {
|
|
855
|
$idstring = $data;
|
|
856
|
}
|
|
857
|
|
|
858
|
if (in_array($type, $quote_types)) {
|
|
859
|
$idstring = "\"{$idstring}\"";
|
|
860
|
}
|
|
861
|
|
|
862
|
return $idstring;
|
|
863
|
}
|
|
864
|
|
|
865
|
function ipsec_fixup_network($network) {
|
|
866
|
if (substr($network, -3) == '|/0') {
|
|
867
|
$result = substr($network, 0, -3);
|
|
868
|
} else {
|
|
869
|
$tmp = explode('|', $network);
|
|
870
|
if (isset($tmp[1])) {
|
|
871
|
$result = $tmp[1];
|
|
872
|
} else {
|
|
873
|
$result = $tmp[0];
|
|
874
|
}
|
|
875
|
unset($tmp);
|
|
876
|
}
|
|
877
|
|
|
878
|
return $result;
|
|
879
|
}
|
|
880
|
|
|
881
|
function ipsec_new_reqid() {
|
|
882
|
global $config;
|
|
883
|
|
|
884
|
if (!is_array($config['ipsec']) || !is_array($config['ipsec']['phase2'])) {
|
|
885
|
return;
|
|
886
|
}
|
|
887
|
|
|
888
|
$ipsecreqid = lock('ipsecreqids', LOCK_EX);
|
|
889
|
$keyids = array();
|
|
890
|
$keyid = 1;
|
|
891
|
foreach ($config['ipsec']['phase2'] as $ph2) {
|
|
892
|
$keyids[$ph2['reqid']] = $ph2['reqid'];
|
|
893
|
}
|
|
894
|
|
|
895
|
for ($i = 1; $i < 16000; $i++) {
|
|
896
|
if (!isset($keyids[$i])) {
|
|
897
|
$keyid = $i;
|
|
898
|
break;
|
|
899
|
}
|
|
900
|
}
|
|
901
|
unlock($ipsecreqid);
|
|
902
|
|
|
903
|
return $keyid;
|
|
904
|
}
|
|
905
|
|
|
906
|
function ipsec_get_loglevels() {
|
|
907
|
global $config, $ipsec_log_cats;
|
|
908
|
$def_loglevel = '1';
|
|
909
|
|
|
910
|
$levels = array();
|
|
911
|
|
|
912
|
foreach (array_keys($ipsec_log_cats) as $cat) {
|
|
913
|
if (isset($config['ipsec']['logging'][$cat])) {
|
|
914
|
$levels[$cat] = $config['ipsec']['logging'][$cat];
|
|
915
|
} elseif (in_array($cat, array('ike', 'chd', 'cfg'))) {
|
|
916
|
$levels[$cat] = "2";
|
|
917
|
} else {
|
|
918
|
$levels[$cat] = $def_loglevel;
|
|
919
|
}
|
|
920
|
}
|
|
921
|
return $levels;
|
|
922
|
}
|
|
923
|
|
|
924
|
function ipsec_vti($ph1ent, $returnaddresses = false) {
|
|
925
|
global $config;
|
|
926
|
if (empty($ph1ent) || !is_array($ph1ent) || !is_array($config['ipsec']['phase2'])) {
|
|
927
|
return false;
|
|
928
|
}
|
|
929
|
|
|
930
|
$is_vti = false;
|
|
931
|
$vtisubnet_spec = array();
|
|
932
|
|
|
933
|
foreach ($config['ipsec']['phase2'] as $ph2ent) {
|
|
934
|
if ($ph1ent['ikeid'] != $ph2ent['ikeid']) {
|
|
935
|
continue;
|
|
936
|
}
|
|
937
|
if ($ph2ent['mode'] == 'vti') {
|
|
938
|
if ($returnaddresses) {
|
|
939
|
$vtisubnet_spec[] = array(
|
|
940
|
'left' => ipsec_idinfo_to_cidr($ph2ent['localid'], true, $ph2ent['mode']),
|
|
941
|
'right' => ipsec_idinfo_to_cidr($ph2ent['remoteid'], false, $ph2ent['mode']),
|
|
942
|
'descr' => $ph2ent['descr'],
|
|
943
|
);
|
|
944
|
}
|
|
945
|
$is_vti = true;
|
|
946
|
}
|
|
947
|
}
|
|
948
|
return ($returnaddresses) ? $vtisubnet_spec : $is_vti;
|
|
949
|
}
|
|
950
|
|
|
951
|
/* Called when IPsec is reloaded through rc.newipsecdns and similar, gives
|
|
952
|
* packages an opportunity to execute custom code when IPsec reloads.
|
|
953
|
*/
|
|
954
|
function ipsec_reload_package_hook() {
|
|
955
|
global $g, $config;
|
|
956
|
|
|
957
|
init_config_arr(array('installedpackages', 'package'));
|
|
958
|
foreach ($config['installedpackages']['package'] as $package) {
|
|
959
|
if (!file_exists("/usr/local/pkg/" . $package['configurationfile'])) {
|
|
960
|
continue;
|
|
961
|
}
|
|
962
|
|
|
963
|
$pkg_config = parse_xml_config_pkg("/usr/local/pkg/" . $package['configurationfile'], 'packagegui');
|
|
964
|
if (!empty($pkg_config['include_file']) &&
|
|
965
|
file_exists($pkg_config['include_file'])) {
|
|
966
|
require_once($pkg_config['include_file']);
|
|
967
|
}
|
|
968
|
if (empty($pkg_config['ipsec_reload_function'])) {
|
|
969
|
continue;
|
|
970
|
}
|
|
971
|
$pkg_ipsec_reload = $pkg_config['ipsec_reload_function'];
|
|
972
|
if (!function_exists($pkg_ipsec_reload)) {
|
|
973
|
continue;
|
|
974
|
}
|
|
975
|
$pkg_ipsec_reload();
|
|
976
|
}
|
|
977
|
}
|
|
978
|
|
|
979
|
?>
|