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#!/usr/local/bin/php -f
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<?php
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/* $Id$ */
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/*
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openvpn.auth-ldap.php
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Copyright (C) 2010 Ermal Luci
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All rights reserved.
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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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*/
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/*
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pfSense_BUILDER_BINARIES:
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pfSense_MODULE: openvpn
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*/
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/* setup syslog logging */
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openlog("openvpn", LOG_ODELAY, LOG_AUTH);
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/* read data from environment */
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$username = getenv("username");
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$password = getenv("password");
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if (empty($username) || empty($password)) {
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syslog(LOG_ERR, "invalid user authentication environment");
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exit(-1);
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}
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/* Replaced by a sed with propper variables used below(ldap parameters). */
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//<template>
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/* Make sure we can connect to LDAP */
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putenv('LDAPTLS_REQCERT=never');
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if (!($ldap = @ldap_connect($ldaphost, $ldapport))) {
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syslog(LOG_ERROR, "ERROR! Could not connect to server {$ldaphost}.");
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exit(-2);
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}
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ldap_set_option($ldap, LDAP_OPT_REFERRALS, 0);
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ldap_set_option($ldap, LDAP_OPT_PROTOCOL_VERSION, 3);
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/* ok, its up. now, lets bind as the bind user so we can search it */
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if (!($res = @ldap_bind($ldap, "{$ldapuserattr={$username}{$ldapbasedn}", $password))) {
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syslog(LOG_WARNING, "user {$username} could not authenticate\n");
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ldap_close($ldap);
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exit(-3);
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}
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syslog(LOG_WARNING, "user {$username} authenticated\n");
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exit(0);
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?>
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