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<?php
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/*
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ipsec.inc
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Copyright (C) 2007 Scott Ullrich
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Copyright (C) 2008 Shrew Soft Inc
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All rights reserved.
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Parts of this code was originally based on vpn_ipsec_sad.php
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Copyright (C) 2003-2004 Manuel Kasper
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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pfSense_BUILDER_BINARIES: /sbin/setkey /sbin/route
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pfSense_MODULE: ipsec
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*/
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/* IPsec defines */
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global $ipsec_loglevels;
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$ipsec_loglevels = array("dmn" => "Daemon", "mgr" => "SA Manager", "ike" => "IKE SA", "chd" => "IKE Child SA",
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"job" => "Job Processing", "cfg" => "Configuration backend", "knl" => "Kernel Interface",
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"net" => "Networking", "asn" => "ASN encoding", "enc" => "Message encoding",
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"imc" => "Integrity checker", "imv" => "Integrity Verifier", "pts" => "Platform Trust Service",
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"tls" => "TLS handler", "esp" => "IPsec traffic", "lib" => "StrongSwan Lib");
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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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global $peer_identifier_list;
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$peer_identifier_list = array(
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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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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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'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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'des' => array( 'name' => 'DES' ));
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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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'des' => array( 'name' => 'DES' ));
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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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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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);
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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_rsa_server' => array( 'name' => 'Hybrid RSA + Xauth', 'mobile' => true ),
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'xauth_rsa_server' => array( 'name' => 'Mutual RSA + Xauth', 'mobile' => true ),
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'xauth_psk_server' => array( 'name' => 'Mutual PSK + Xauth', 'mobile' => true ),
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'eap-tls' => array( 'name' => 'EAP-TLS', 'mobile' => true),
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'eap-mschapv2' => array( 'name' => 'EAP-MSChapv2', 'mobile' => true),
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'rsasig' => array( 'name' => 'Mutual RSA', 'mobile' => false ),
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'pre_shared_key' => array( 'name' => 'Mutual PSK', 'mobile' => false ) );
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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 $p2_modes;
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$p2_modes = array(
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'tunnel' => 'Tunnel IPv4',
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'tunnel6' => 'Tunnel IPv6',
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'transport' => 'Transport');
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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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global $p2_pfskeygroups;
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$p2_pfskeygroups = array(
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0 => 'off',
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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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);
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/*
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* ikeid management functions
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*/
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function ipsec_ikeid_used($ikeid) {
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global $config;
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foreach ($config['ipsec']['phase1'] as $ph1ent)
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if( $ikeid == $ph1ent['ikeid'] )
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return true;
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return false;
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}
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function ipsec_ikeid_next() {
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$ikeid = 1;
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while(ipsec_ikeid_used($ikeid))
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$ikeid++;
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return $ikeid;
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}
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/*
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* Return phase1 local address
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*/
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function ipsec_get_phase1_src(& $ph1ent) {
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if ($ph1ent['interface']) {
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if (!is_ipaddr($ph1ent['interface'])) {
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if ($ph1ent['protocol'] == "inet6") {
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$interfaceip = get_interface_ipv6($ph1ent['interface']);
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} else {
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$interfaceip = get_interface_ip($ph1ent['interface']);
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}
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} else {
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$interfaceip=$ph1ent['interface'];
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}
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} else {
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$if = "wan";
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if ($ph1ent['protocol'] == "inet6")
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$interfaceip = get_interface_ipv6($if);
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else
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$interfaceip = get_interface_ip($if);
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}
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return $interfaceip;
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}
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/*
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* Return phase1 local address
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*/
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function ipsec_get_phase1_dst(& $ph1ent) {
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global $g;
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if (empty($ph1ent['remote-gateway']))
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return false;
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$rg = $ph1ent['remote-gateway'];
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if (!is_ipaddr($rg)) {
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if(! platform_booting())
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return resolve_retry($rg);
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}
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if(!is_ipaddr($rg))
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return false;
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return $rg;
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}
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/*
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* Return phase2 idinfo in cidr format
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*/
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function ipsec_idinfo_to_cidr(& $idinfo, $addrbits = false, $mode = "") {
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global $config;
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switch ($idinfo['type']) {
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case "address":
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if ($addrbits) {
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if ($mode == "tunnel6")
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return $idinfo['address']."/128";
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else
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return $idinfo['address']."/32";
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} else
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return $idinfo['address'];
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break; /* NOTREACHED */
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case "network":
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return "{$idinfo['address']}/{$idinfo['netbits']}";
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break; /* NOTREACHED */
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case "none":
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case "mobile":
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return '0.0.0.0/0';
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break; /* NOTREACHED */
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default:
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if (empty($mode) && !empty($idinfo['mode']))
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$mode = $idinfo['mode'];
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258
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if ($mode == "tunnel6") {
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$address = get_interface_ipv6($idinfo['type']);
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$netbits = get_interface_subnetv6($idinfo['type']);
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$address = gen_subnetv6($address,$netbits);
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return "{$address}/{$netbits}";
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} else {
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264
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$address = get_interface_ip($idinfo['type']);
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$netbits = get_interface_subnet($idinfo['type']);
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$address = gen_subnet($address,$netbits);
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return "{$address}/{$netbits}";
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}
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break; /* NOTREACHED */
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}
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271
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}
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272
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273
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/*
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274
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* Return phase2 idinfo in address/netmask format
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*/
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276
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function ipsec_idinfo_to_subnet(& $idinfo,$addrbits = false) {
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global $config;
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278
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279
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switch ($idinfo['type']) {
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280
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case "address":
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281
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if ($addrbits) {
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282
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if ($idinfo['mode'] == "tunnel6")
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283
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return $idinfo['address']."/128";
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284
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else
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285
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return $idinfo['address']."/255.255.255.255";
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286
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} else
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287
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return $idinfo['address'];
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288
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break; /* NOTREACHED */
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289
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case "none":
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290
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case "network":
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291
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return $idinfo['address']."/".gen_subnet_mask($idinfo['netbits']);
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292
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break; /* NOTREACHED */
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293
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case "mobile":
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294
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return "0.0.0.0/0";
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295
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break; /* NOTREACHED */
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296
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default:
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297
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if ($idinfo['mode'] == "tunnel6") {
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298
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$address = get_interface_ipv6($idinfo['type']);
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299
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$netbits = get_interface_subnetv6($idinfo['type']);
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300
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$address = gen_subnetv6($address,$netbits);
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301
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return $address."/".$netbits;
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302
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} else {
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303
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$address = get_interface_ip($idinfo['type']);
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304
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$netbits = get_interface_subnet($idinfo['type']);
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305
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$address = gen_subnet($address,$netbits);
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306
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return $address."/".$netbits;
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307
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}
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308
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break; /* NOTREACHED */
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309
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}
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310
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}
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|
311
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|
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312
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/*
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313
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* Return phase2 idinfo in text format
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314
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*/
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315
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function ipsec_idinfo_to_text(& $idinfo) {
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316
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global $config;
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317
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318
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switch ($idinfo['type']) {
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319
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case "address":
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320
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return $idinfo['address'];
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321
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break; /* NOTREACHED */
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322
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case "network":
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323
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return $idinfo['address']."/".$idinfo['netbits'];
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324
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break; /* NOTREACHED */
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325
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case "mobile":
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326
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return gettext("Mobile Client");
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327
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break; /* NOTREACHED */
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328
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case "none":
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329
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return gettext("None");
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330
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break; /* NOTREACHED */
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331
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default:
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332
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if (!empty($config['interfaces'][$idinfo['type']]))
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333
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return convert_friendly_interface_to_friendly_descr($idinfo['type']);
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else
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335
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return strtoupper($idinfo['type']);
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336
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break; /* NOTREACHED */
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337
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}
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338
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}
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|
339
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340
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/*
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341
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* Return phase1 association for phase2
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342
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*/
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343
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function ipsec_lookup_phase1(& $ph2ent,& $ph1ent) {
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|
344
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global $config;
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345
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|
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346
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if (!is_array($config['ipsec']))
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347
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return false;
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|
348
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if (!is_array($config['ipsec']['phase1']))
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349
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return false;
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|
350
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if (empty($config['ipsec']['phase1']))
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351
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return false;
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|
352
|
|
|
353
|
foreach ($config['ipsec']['phase1'] as $ph1tmp) {
|
|
354
|
if ($ph1tmp['ikeid'] == $ph2ent['ikeid']) {
|
|
355
|
$ph1ent = $ph1tmp;
|
|
356
|
return $ph1ent;
|
|
357
|
}
|
|
358
|
}
|
|
359
|
|
|
360
|
return false;
|
|
361
|
}
|
|
362
|
|
|
363
|
/*
|
|
364
|
* Check phase1 communications status
|
|
365
|
*/
|
|
366
|
function ipsec_phase1_status(&$ipsec_status, $ikeid) {
|
|
367
|
|
|
368
|
foreach ($ipsec_status as $ike) {
|
|
369
|
if ($ike['id'] == $ikeid) {
|
|
370
|
if ($ike['status'] == 'established')
|
|
371
|
return true;
|
|
372
|
}
|
|
373
|
}
|
|
374
|
|
|
375
|
return false;
|
|
376
|
}
|
|
377
|
|
|
378
|
/*
|
|
379
|
* Check phase2 communications status
|
|
380
|
*/
|
|
381
|
function ipsec_phase2_status(&$ipsec_status, &$phase2) {
|
|
382
|
|
|
383
|
if (ipsec_lookup_phase1($ph2ent,$ph1ent))
|
|
384
|
return ipsec_phase1_status($ipsec_status, $ph1ent['ikeid']);
|
|
385
|
|
|
386
|
return false;
|
|
387
|
}
|
|
388
|
|
|
389
|
function ipsec_smp_dump_status() {
|
|
390
|
global $config, $g, $custom_listtags;
|
|
391
|
|
|
392
|
if (!file_exists("{$g['varrun_path']}/charon.xml")) {
|
|
393
|
log_error("IPsec daemon not running or has a problem!");
|
|
394
|
return;
|
|
395
|
}
|
|
396
|
|
|
397
|
$fd = @fsockopen("unix://{$g['varrun_path']}/charon.xml");
|
|
398
|
if (!$fd) {
|
|
399
|
log_error("Could not read status from IPsec");
|
|
400
|
return;
|
|
401
|
}
|
|
402
|
$query = '<?xml version="1.0"?><message xmlns="http://www.strongswan.org/smp/1.0" type="request" id="1">';
|
|
403
|
$query .= '<query><ikesalist/></query></message>';
|
|
404
|
|
|
405
|
@fwrite($fd, $query);
|
|
406
|
$response = "";
|
|
407
|
while (!strstr($sread, "</message>")) {
|
|
408
|
$sread = fgets($fd);
|
|
409
|
if ($sread === false)
|
|
410
|
break;
|
|
411
|
$response .= $sread;
|
|
412
|
}
|
|
413
|
fclose($fd);
|
|
414
|
|
|
415
|
if ($sread === false) {
|
|
416
|
log_error("Error during reading of status from IPsec");
|
|
417
|
return;
|
|
418
|
}
|
|
419
|
|
|
420
|
@file_put_contents("{$g['tmp_path']}/smp_status.xml", $response);
|
|
421
|
unset($response, $sread);
|
|
422
|
|
|
423
|
$custom_listtags = array('ikesa', 'childsa', 'network', 'auth');
|
|
424
|
$response = parse_xml_config("{$g['tmp_path']}/smp_status.xml", "message");
|
|
425
|
@unlink("{$g['tmp_path']}/smp_status.xml");
|
|
426
|
unset($custom_listtags);
|
|
427
|
|
|
428
|
return $response;
|
|
429
|
}
|
|
430
|
|
|
431
|
/*
|
|
432
|
* Return dump of SPD table
|
|
433
|
*/
|
|
434
|
function ipsec_dump_spd()
|
|
435
|
{
|
|
436
|
$fd = @popen("/sbin/setkey -DP", "r");
|
|
437
|
$spd = array();
|
|
438
|
if ($fd) {
|
|
439
|
while (!feof($fd)) {
|
|
440
|
$line = chop(fgets($fd));
|
|
441
|
if (!$line)
|
|
442
|
continue;
|
|
443
|
if ($line == "No SPD entries.")
|
|
444
|
break;
|
|
445
|
if ($line[0] != "\t") {
|
|
446
|
if (is_array($cursp))
|
|
447
|
$spd[] = $cursp;
|
|
448
|
$cursp = array();
|
|
449
|
$linea = explode(" ", $line);
|
|
450
|
$cursp['srcid'] = substr($linea[0], 0, strpos($linea[0], "["));
|
|
451
|
$cursp['dstid'] = substr($linea[1], 0, strpos($linea[1], "["));
|
|
452
|
$i = 0;
|
|
453
|
} else if (is_array($cursp)) {
|
|
454
|
$line = trim($line, "\t\r\n ");
|
|
455
|
$linea = explode(" ", $line);
|
|
456
|
switch($i)
|
|
457
|
{
|
|
458
|
case 1:
|
|
459
|
if ($linea[1] == "none") /* don't show default anti-lockout rule */
|
|
460
|
unset($cursp);
|
|
461
|
else
|
|
462
|
$cursp['dir'] = $linea[0];
|
|
463
|
break;
|
|
464
|
case 2:
|
|
465
|
$upperspec = explode("/", $linea[0]);
|
|
466
|
$cursp['proto'] = $upperspec[0];
|
|
467
|
list($cursp['src'], $cursp['dst']) = explode("-", $upperspec[2]);
|
|
468
|
$cursp['reqid'] = substr($upperspec[3], strpos($upperspec[3], "#")+1);
|
|
469
|
break;
|
|
470
|
}
|
|
471
|
}
|
|
472
|
$i++;
|
|
473
|
}
|
|
474
|
if (is_array($cursp) && count($cursp))
|
|
475
|
$spd[] = $cursp;
|
|
476
|
pclose($fd);
|
|
477
|
}
|
|
478
|
|
|
479
|
return $spd;
|
|
480
|
}
|
|
481
|
|
|
482
|
/*
|
|
483
|
* Return dump of SAD table
|
|
484
|
*/
|
|
485
|
function ipsec_dump_sad()
|
|
486
|
{
|
|
487
|
$fd = @popen("/sbin/setkey -D", "r");
|
|
488
|
$sad = array();
|
|
489
|
if ($fd) {
|
|
490
|
while (!feof($fd)) {
|
|
491
|
$line = chop(fgets($fd));
|
|
492
|
if (!$line || $line[0] == " ")
|
|
493
|
continue;
|
|
494
|
if ($line == "No SAD entries.")
|
|
495
|
break;
|
|
496
|
if ($line[0] != "\t")
|
|
497
|
{
|
|
498
|
if (is_array($cursa))
|
|
499
|
$sad[] = $cursa;
|
|
500
|
$cursa = array();
|
|
501
|
list($cursa['src'],$cursa['dst']) = explode(" ", $line);
|
|
502
|
}
|
|
503
|
else
|
|
504
|
{
|
|
505
|
$line = trim($line, "\t\n\r ");
|
|
506
|
$linea = explode(" ", $line);
|
|
507
|
foreach ($linea as $idx => $linee) {
|
|
508
|
if ($linee == 'esp' || $linee == 'ah' || $linee[0] == '#')
|
|
509
|
$cursa['proto'] = $linee;
|
|
510
|
else if (substr($linee, 0, 3) == 'spi')
|
|
511
|
$cursa['spi'] = substr($linee, strpos($linee, 'x') + 1, -1);
|
|
512
|
else if (substr($linee, 0, 5) == 'reqid')
|
|
513
|
$cursa['reqid'] = substr($linee, strpos($linee, 'x') + 1, -1);
|
|
514
|
else if (substr($linee, 0, 2) == 'E:') {
|
|
515
|
$cursa['ealgo'] = $linea[$idx + 1];
|
|
516
|
break;
|
|
517
|
} else if (substr($linee, 0, 2) == 'A:') {
|
|
518
|
$cursa['aalgo'] = $linea[$idx + 1];
|
|
519
|
break;
|
|
520
|
} else if (substr($linee, 0, 8) == 'current:') {
|
|
521
|
$cursa['data'] = substr($linea[$idx + 1], 0, strpos($linea[$idx + 1], 'bytes') - 1) . ' B';
|
|
522
|
break;
|
|
523
|
}
|
|
524
|
|
|
525
|
}
|
|
526
|
}
|
|
527
|
}
|
|
528
|
if (is_array($cursa) && count($cursa))
|
|
529
|
$sad[] = $cursa;
|
|
530
|
pclose($fd);
|
|
531
|
}
|
|
532
|
|
|
533
|
return $sad;
|
|
534
|
}
|
|
535
|
|
|
536
|
/*
|
|
537
|
* Return dump of mobile user list
|
|
538
|
*/
|
|
539
|
function ipsec_dump_mobile() {
|
|
540
|
global $g, $custom_listtags;
|
|
541
|
|
|
542
|
$_gb = exec("/usr/local/sbin/ipsec stroke leases > {$g['tmp_path']}/strongswan_leases.xml");
|
|
543
|
|
|
544
|
if (!file_exists("{$g['tmp_path']}/strongswan_leases.xml")) {
|
|
545
|
log_error(gettext("Unable to find IPsec daemon leases file. Could not display mobile user stats!"));
|
|
546
|
return array();
|
|
547
|
}
|
|
548
|
|
|
549
|
/* This is needed for fixing #4130 */
|
|
550
|
if (filesize("{$g['tmp_path']}/strongswan_leases.xml") < 200)
|
|
551
|
return array();
|
|
552
|
|
|
553
|
$custom_listtags = array('lease', 'pool');
|
|
554
|
$response = parse_xml_config("{$g['tmp_path']}/strongswan_leases.xml", "leases");
|
|
555
|
@unlink("{$g['tmp_path']}/strongswan_leases.xml");
|
|
556
|
unset($custom_listtags, $_gb);
|
|
557
|
|
|
558
|
return $response;
|
|
559
|
}
|
|
560
|
|
|
561
|
function ipsec_mobilekey_sort() {
|
|
562
|
global $config;
|
|
563
|
|
|
564
|
function mobilekeycmp($a, $b) {
|
|
565
|
return strcmp($a['ident'][0], $b['ident'][0]);
|
|
566
|
}
|
|
567
|
|
|
568
|
usort($config['ipsec']['mobilekey'], "mobilekeycmp");
|
|
569
|
}
|
|
570
|
|
|
571
|
function ipsec_get_number_of_phase2($ikeid) {
|
|
572
|
global $config;
|
|
573
|
$a_phase2 = $config['ipsec']['phase2'];
|
|
574
|
|
|
575
|
$nbph2=0;
|
|
576
|
|
|
577
|
if (is_array($a_phase2) && count($a_phase2)) {
|
|
578
|
foreach ($a_phase2 as $ph2tmp) {
|
|
579
|
if ($ph2tmp['ikeid'] == $ikeid) {
|
|
580
|
$nbph2++;
|
|
581
|
}
|
|
582
|
}
|
|
583
|
}
|
|
584
|
|
|
585
|
return $nbph2;
|
|
586
|
}
|
|
587
|
|
|
588
|
function ipsec_get_descr($ikeid) {
|
|
589
|
global $config;
|
|
590
|
|
|
591
|
if (!isset($config['ipsec']['phase1']) ||
|
|
592
|
!is_array($config['ipsec']['phase1']))
|
|
593
|
return '';
|
|
594
|
|
|
595
|
foreach ($config['ipsec']['phase1'] as $p1) {
|
|
596
|
if ($p1['ikeid'] == $ikeid) {
|
|
597
|
return $p1['descr'];
|
|
598
|
}
|
|
599
|
}
|
|
600
|
|
|
601
|
return '';
|
|
602
|
}
|
|
603
|
|
|
604
|
function ipsec_get_phase1($ikeid) {
|
|
605
|
global $config;
|
|
606
|
|
|
607
|
if (!isset($config['ipsec']['phase1']) ||
|
|
608
|
!is_array($config['ipsec']['phase1']))
|
|
609
|
return '';
|
|
610
|
|
|
611
|
$a_phase1 = $config['ipsec']['phase1'];
|
|
612
|
foreach ($a_phase1 as $p1) {
|
|
613
|
if ($p1['ikeid'] == $ikeid) {
|
|
614
|
return $p1;
|
|
615
|
}
|
|
616
|
}
|
|
617
|
unset($a_phase1);
|
|
618
|
}
|
|
619
|
|
|
620
|
function ipsec_fixup_ip($ipaddr) {
|
|
621
|
if (is_ipaddrv6($ipaddr) || is_subnetv6($ipaddr))
|
|
622
|
return Net_IPv6::compress(Net_IPv6::uncompress($ipaddr));
|
|
623
|
else
|
|
624
|
return $ipaddr;
|
|
625
|
}
|
|
626
|
|
|
627
|
function ipsec_find_id(& $ph1ent, $side = "local", $rgmap = array()) {
|
|
628
|
if ($side == "local") {
|
|
629
|
$id_type = $ph1ent['myid_type'];
|
|
630
|
$id_data = $ph1ent['myid_data'];
|
|
631
|
|
|
632
|
$addr = ipsec_get_phase1_src($ph1ent);
|
|
633
|
if (!$addr)
|
|
634
|
return array();
|
|
635
|
} elseif ($side = "peer") {
|
|
636
|
$id_type = $ph1ent['peerid_type'];
|
|
637
|
$id_data = $ph1ent['peerid_data'];
|
|
638
|
|
|
639
|
if (isset($ph1ent['mobile']))
|
|
640
|
$addr = "%any";
|
|
641
|
else
|
|
642
|
$addr = $ph1ent['remote-gateway'];
|
|
643
|
} else
|
|
644
|
return array();
|
|
645
|
|
|
646
|
|
|
647
|
$thisid_type = $id_type;
|
|
648
|
switch ($thisid_type) {
|
|
649
|
case 'myaddress':
|
|
650
|
$thisid_type = 'address';
|
|
651
|
$thisid_data = $addr;
|
|
652
|
break;
|
|
653
|
case 'dyn_dns':
|
|
654
|
$thisid_type = 'dns';
|
|
655
|
$thisid_data = $id_data;
|
|
656
|
break;
|
|
657
|
case 'peeraddress':
|
|
658
|
$thisid_type = 'address';
|
|
659
|
$thisid_data = $rgmap[$ph1ent['remote-gateway']];
|
|
660
|
break;
|
|
661
|
case 'address':
|
|
662
|
$thisid_data = $id_data;
|
|
663
|
break;
|
|
664
|
case 'fqdn':
|
|
665
|
$thisid_data = "{$id_data}";
|
|
666
|
break;
|
|
667
|
case 'keyid tag':
|
|
668
|
$thisid_type = 'keyid';
|
|
669
|
$thisid_data = "{$thisid_data}";
|
|
670
|
break;
|
|
671
|
case 'user_fqdn':
|
|
672
|
$thisid_type = 'userfqdn';
|
|
673
|
$thisid_data = "{$id_data}";
|
|
674
|
break;
|
|
675
|
case 'asn1dn':
|
|
676
|
$thisid_data = $id_data;
|
|
677
|
if ($thisid_data && $thisid_data[0] != '"')
|
|
678
|
$thisid_data = "\"{$id_data}\"";
|
|
679
|
break;
|
|
680
|
}
|
|
681
|
return array($thisid_type, $thisid_data);
|
|
682
|
}
|
|
683
|
|
|
684
|
function ipsec_fixup_network($network) {
|
|
685
|
if (substr($network, -3) == '|/0')
|
|
686
|
$result = substr($network, 0, -3);
|
|
687
|
else {
|
|
688
|
$tmp = explode('|', $network);
|
|
689
|
if (isset($tmp[1]))
|
|
690
|
$result = $tmp[1];
|
|
691
|
else
|
|
692
|
$result = $tmp[0];
|
|
693
|
unset($tmp);
|
|
694
|
}
|
|
695
|
|
|
696
|
return $result;
|
|
697
|
}
|
|
698
|
|
|
699
|
function ipsec_new_reqid() {
|
|
700
|
global $config;
|
|
701
|
|
|
702
|
if (!is_array($config['ipsec']) || !is_array($config['ipsec']['phase2']))
|
|
703
|
return;
|
|
704
|
|
|
705
|
$ipsecreqid = lock('ipsecreqids', LOCK_EX);
|
|
706
|
$keyids = array();
|
|
707
|
$keyid = 1;
|
|
708
|
foreach ($config['ipsec']['phase2'] as $ph2)
|
|
709
|
$keyids[$ph2['reqid']] = $ph2['reqid'];
|
|
710
|
|
|
711
|
for ($i = 1; $i < 16000; $i++) {
|
|
712
|
if (!isset($keyids[$i])) {
|
|
713
|
$keyid = $i;
|
|
714
|
break;
|
|
715
|
}
|
|
716
|
}
|
|
717
|
unlock($ipsecreqid);
|
|
718
|
|
|
719
|
return $keyid;
|
|
720
|
}
|
|
721
|
|
|
722
|
?>
|