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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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/*
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Copyright (c) 2003, Michael Bretterklieber <michael@bretterklieber.com>
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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
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, 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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3. The names of the authors may not be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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This code cannot simply be copied and put under the GNU Public License or
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any other GPL-like (LGPL, GPL2) License.
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$Id$
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This version of RADIUS.php has been modified by
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Jonathan De Graeve <jonathan@imelda.be> to integrate with M0n0wall <http://www.m0n0.ch/wall>
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$Id_jdg: 2005/12/22 14:22:42
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Changes made include:
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* StandardAttributes for M0n0wall use
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* Removed internal Session-Id creation
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* Adding of ReplyMessage to getAttributes()
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* Adding of listAttributes()
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* Adding of VENDOR Bay Networks (Nortel)
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* Adding of VENDOR Nomadix
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* Adding of VENDOR WISPr (Wi-Fi Alliance)
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*/
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require_once("PEAR.inc");
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/**
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* Client implementation of RADIUS. This are wrapper classes for
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* the RADIUS PECL.
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* Provides RADIUS Authentication (RFC2865) and RADIUS Accounting (RFC2866).
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*
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* @package Auth_RADIUS
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* @author Michael Bretterklieber <michael@bretterklieber.com>
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* @access public
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* @version $Revision$
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*/
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PEAR::loadExtension('radius');
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/**
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* class Auth_RADIUS
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*
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* Abstract base class for RADIUS
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*
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* @package Auth_RADIUS
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*/
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class Auth_RADIUS extends PEAR {
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/**
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* List of RADIUS servers.
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* @var array
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* @see addServer(), putServer()
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*/
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var $_servers = array();
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/**
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* Path to the configuration-file.
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* @var string
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* @see setConfigFile()
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*/
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var $_configfile = null;
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/**
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* Resource.
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* @var resource
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* @see open(), close()
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*/
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var $res = null;
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/**
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* Username for authentication and accounting requests.
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* @var string
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*/
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var $username = null;
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/**
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* Password for plaintext-authentication (PAP).
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* @var string
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*/
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var $password = null;
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/**
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* List of known attributes.
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* @var array
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* @see dumpAttributes(), getAttributes()
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*/
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var $attributes = array();
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/**
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* List of raw attributes.
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* @var array
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* @see dumpAttributes(), getAttributes()
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*/
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var $rawAttributes = array();
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/**
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* List of raw vendor specific attributes.
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* @var array
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* @see dumpAttributes(), getAttributes()
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*/
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var $rawVendorAttributes = array();
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/**
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* Constructor
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*
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* Loads the RADIUS PECL/extension
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*
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* @return void
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*/
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function Auth_RADIUS()
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{
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$this->PEAR();
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}
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/**
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* Adds a RADIUS server to the list of servers for requests.
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*
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* At most 10 servers may be specified. When multiple servers
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* are given, they are tried in round-robin fashion until a
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* valid response is received
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*
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* @access public
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* @param string $servername Servername or IP-Address
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* @param integer $port Portnumber
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* @param string $sharedSecret Shared secret
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* @param integer $timeout Timeout for each request
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* @param integer $maxtries Max. retries for each request
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* @return void
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*/
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function addServer($servername = 'localhost', $port = 0, $sharedSecret = 'testing123', $timeout = 5, $maxtries = 3)
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{
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$this->_servers[] = array($servername, $port, $sharedSecret, $timeout, $maxtries);
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}
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/**
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* Returns an error message, if an error occurred.
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*
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* @access public
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* @return string
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*/
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function getError()
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{
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return radius_strerror($this->res);
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}
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/**
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* Sets the configuration-file.
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*
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* @access public
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* @param string $file Path to the configuration file
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* @return void
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*/
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function setConfigfile($file)
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{
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$this->_configfile = $file;
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}
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/**
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* Puts an attribute.
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*
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* @access public
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* @param integer $attrib Attribute-number
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* @param mixed $port Attribute-value
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* @param type $type Attribute-type
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* @return bool true on success, false on error
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*/
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function putAttribute($attrib, $value, $type = null)
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{
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if ($type == null) {
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$type = gettype($value);
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}
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switch ($type) {
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case 'integer':
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return radius_put_int($this->res, $attrib, $value);
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case 'addr':
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return radius_put_addr($this->res, $attrib, $value);
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case 'string':
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default:
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return radius_put_attr($this->res, $attrib, $value);
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}
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}
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/**
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* Puts a vendor-specific attribute.
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*
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* @access public
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* @param integer $vendor Vendor (MSoft, Cisco, ...)
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* @param integer $attrib Attribute-number
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* @param mixed $port Attribute-value
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* @param type $type Attribute-type
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* @return bool true on success, false on error
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*/
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function putVendorAttribute($vendor, $attrib, $value, $type = null)
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{
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if ($type == null) {
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$type = gettype($value);
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}
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switch ($type) {
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case 'integer':
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return radius_put_vendor_int($this->res, $vendor, $attrib, $value);
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case 'addr':
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return radius_put_vendor_addr($this->res, $vendor,$attrib, $value);
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case 'string':
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default:
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return radius_put_vendor_attr($this->res, $vendor, $attrib, $value);
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}
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}
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/**
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* Prints known attributes received from the server.
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*
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* @access public
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*/
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function dumpAttributes()
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{
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foreach ($this->attributes as $name => $data) {
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echo "$name:$data<br>\n";
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}
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}
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/**
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* Return our know attributes array received from the server.
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*
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* @access public
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*/
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function listAttributes()
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{
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return $this->attributes;
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}
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/**
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* Overwrite this.
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*
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* @access public
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*/
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function open()
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{
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}
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/**
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* Overwrite this.
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*
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* @access public
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*/
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function createRequest()
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{
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}
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/**
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* Puts standard attributes.
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*
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* @access public
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*/
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function putStandardAttributes()
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{
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$this->putAttribute(RADIUS_NAS_PORT_TYPE, RADIUS_ETHERNET);
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$this->putAttribute(RADIUS_SERVICE_TYPE, RADIUS_LOGIN);
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}
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/**
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* Puts custom attributes.
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*
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* @access public
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*/
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function putAuthAttributes()
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{
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if (isset($this->username)) {
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$this->putAttribute(RADIUS_USER_NAME, $this->username);
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}
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}
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/**
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* Configures the radius library.
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*
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* @access public
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* @param string $servername Servername or IP-Address
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* @param integer $port Portnumber
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* @param string $sharedSecret Shared secret
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* @param integer $timeout Timeout for each request
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* @param integer $maxtries Max. retries for each request
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* @return bool true on success, false on error
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* @see addServer()
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*/
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function putServer($servername, $port = 0, $sharedsecret = 'testing123', $timeout = 3, $maxtries = 3)
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{
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if (!radius_add_server($this->res, $servername, $port, $sharedsecret, $timeout, $maxtries)) {
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return false;
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}
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return true;
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}
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/**
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* Configures the radius library via external configurationfile
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*
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* @access public
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* @param string $servername Servername or IP-Address
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* @return bool true on success, false on error
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*/
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function putConfigfile($file)
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{
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if (!radius_config($this->res, $file)) {
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return false;
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}
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return true;
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}
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/**
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* Initiates a RADIUS request.
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*
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* @access public
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* @return bool true on success, false on errors
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*/
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function start()
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{
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if (!$this->open()) {
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return false;
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}
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foreach ($this->_servers as $s) {
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// Servername, port, sharedsecret, timeout, retries
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if (!$this->putServer($s[0], $s[1], $s[2], $s[3], $s[4])) {
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return false;
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}
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}
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if (!empty($this->_configfile)) {
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if (!$this->putConfigfile($this->_configfile)) {
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return false;
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}
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}
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$this->createRequest();
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$this->putStandardAttributes();
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$this->putAuthAttributes();
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return true;
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}
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/**
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* Sends a prepared RADIUS request and waits for a response
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*
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* @access public
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* @return mixed true on success, false on reject, PEAR_Error on error
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*/
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function send()
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{
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$req = radius_send_request($this->res);
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if (!$req) {
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return $this->raiseError('Error sending request: ' . $this->getError());
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}
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switch($req) {
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case RADIUS_ACCESS_ACCEPT:
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if (is_subclass_of($this, 'auth_radius_acct')) {
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return $this->raiseError('RADIUS_ACCESS_ACCEPT is unexpected for accounting');
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}
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return true;
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case RADIUS_ACCESS_REJECT:
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return false;
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case RADIUS_ACCOUNTING_RESPONSE:
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if (is_subclass_of($this, 'auth_radius_pap')) {
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return $this->raiseError('RADIUS_ACCOUNTING_RESPONSE is unexpected for authentication');
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}
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return true;
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default:
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return $this->raiseError("Unexpected return value: $req");
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}
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405
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}
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407
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/**
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* Reads all received attributes after sending the request.
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*
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411
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* This methos stores know attributes in the property attributes,
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412
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* all attributes (including known attibutes) are stored in rawAttributes
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413
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* or rawVendorAttributes.
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414
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* NOTE: call this functio also even if the request was rejected, because the
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415
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* Server returns usualy an errormessage
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416
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*
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417
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* @access public
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418
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* @return bool true on success, false on error
|
|
419
|
*/
|
|
420
|
function getAttributes()
|
|
421
|
{
|
|
422
|
|
|
423
|
while ($attrib = radius_get_attr($this->res)) {
|
|
424
|
|
|
425
|
if (!is_array($attrib)) {
|
|
426
|
return false;
|
|
427
|
}
|
|
428
|
|
|
429
|
$attr = $attrib['attr'];
|
|
430
|
$data = $attrib['data'];
|
|
431
|
|
|
432
|
$this->rawAttributes[$attr] = $data;
|
|
433
|
|
|
434
|
switch ($attr) {
|
|
435
|
case RADIUS_FRAMED_IP_ADDRESS:
|
|
436
|
$this->attributes['framed_ip'] = radius_cvt_addr($data);
|
|
437
|
break;
|
|
438
|
|
|
439
|
case RADIUS_FRAMED_IP_NETMASK:
|
|
440
|
$this->attributes['framed_mask'] = radius_cvt_addr($data);
|
|
441
|
break;
|
|
442
|
|
|
443
|
case RADIUS_FRAMED_MTU:
|
|
444
|
$this->attributes['framed_mtu'] = radius_cvt_int($data);
|
|
445
|
break;
|
|
446
|
|
|
447
|
case RADIUS_FRAMED_COMPRESSION:
|
|
448
|
$this->attributes['framed_compression'] = radius_cvt_int($data);
|
|
449
|
break;
|
|
450
|
|
|
451
|
case RADIUS_SESSION_TIMEOUT:
|
|
452
|
$this->attributes['session_timeout'] = radius_cvt_int($data);
|
|
453
|
break;
|
|
454
|
|
|
455
|
case RADIUS_IDLE_TIMEOUT:
|
|
456
|
$this->attributes['idle_timeout'] = radius_cvt_int($data);
|
|
457
|
break;
|
|
458
|
|
|
459
|
case RADIUS_SERVICE_TYPE:
|
|
460
|
$this->attributes['service_type'] = radius_cvt_int($data);
|
|
461
|
break;
|
|
462
|
|
|
463
|
case RADIUS_CLASS:
|
|
464
|
$this->attributes['class'] = radius_cvt_int($data);
|
|
465
|
break;
|
|
466
|
|
|
467
|
case RADIUS_FRAMED_PROTOCOL:
|
|
468
|
$this->attributes['framed_protocol'] = radius_cvt_int($data);
|
|
469
|
break;
|
|
470
|
|
|
471
|
case RADIUS_FRAMED_ROUTING:
|
|
472
|
$this->attributes['framed_routing'] = radius_cvt_int($data);
|
|
473
|
break;
|
|
474
|
|
|
475
|
case RADIUS_FILTER_ID:
|
|
476
|
$this->attributes['filter_id'] = radius_cvt_string($data);
|
|
477
|
break;
|
|
478
|
|
|
479
|
case RADIUS_REPLY_MESSAGE:
|
|
480
|
$this->attributes['reply_message'] = radius_cvt_string($data);
|
|
481
|
break;
|
|
482
|
|
|
483
|
case RADIUS_VENDOR_SPECIFIC:
|
|
484
|
$attribv = radius_get_vendor_attr($data);
|
|
485
|
if (!is_array($attribv)) {
|
|
486
|
return false;
|
|
487
|
}
|
|
488
|
|
|
489
|
$vendor = $attribv['vendor'];
|
|
490
|
$attrv = $attribv['attr'];
|
|
491
|
$datav = $attribv['data'];
|
|
492
|
|
|
493
|
$this->rawVendorAttributes[$vendor][$attrv] = $datav;
|
|
494
|
|
|
495
|
if ($vendor == RADIUS_VENDOR_MICROSOFT) {
|
|
496
|
|
|
497
|
switch ($attrv) {
|
|
498
|
case RADIUS_MICROSOFT_MS_CHAP2_SUCCESS:
|
|
499
|
$this->attributes['ms_chap2_success'] = radius_cvt_string($datav);
|
|
500
|
break;
|
|
501
|
|
|
502
|
case RADIUS_MICROSOFT_MS_CHAP_ERROR:
|
|
503
|
$this->attributes['ms_chap_error'] = radius_cvt_string(substr($datav,1));
|
|
504
|
break;
|
|
505
|
|
|
506
|
case RADIUS_MICROSOFT_MS_CHAP_DOMAIN:
|
|
507
|
$this->attributes['ms_chap_domain'] = radius_cvt_string($datav);
|
|
508
|
break;
|
|
509
|
|
|
510
|
case RADIUS_MICROSOFT_MS_MPPE_ENCRYPTION_POLICY:
|
|
511
|
$this->attributes['ms_mppe_encryption_policy'] = radius_cvt_int($datav);
|
|
512
|
break;
|
|
513
|
|
|
514
|
case RADIUS_MICROSOFT_MS_MPPE_ENCRYPTION_TYPES:
|
|
515
|
$this->attributes['ms_mppe_encryption_types'] = radius_cvt_int($datav);
|
|
516
|
break;
|
|
517
|
|
|
518
|
case RADIUS_MICROSOFT_MS_CHAP_MPPE_KEYS:
|
|
519
|
$demangled = radius_demangle($this->res, $datav);
|
|
520
|
$this->attributes['ms_chap_mppe_lm_key'] = substr($demangled, 0, 8);
|
|
521
|
$this->attributes['ms_chap_mppe_nt_key'] = substr($demangled, 8, RADIUS_MPPE_KEY_LEN);
|
|
522
|
break;
|
|
523
|
|
|
524
|
case RADIUS_MICROSOFT_MS_MPPE_SEND_KEY:
|
|
525
|
$this->attributes['ms_chap_mppe_send_key'] = radius_demangle_mppe_key($this->res, $datav);
|
|
526
|
break;
|
|
527
|
|
|
528
|
case RADIUS_MICROSOFT_MS_MPPE_RECV_KEY:
|
|
529
|
$this->attributes['ms_chap_mppe_recv_key'] = radius_demangle_mppe_key($this->res, $datav);
|
|
530
|
break;
|
|
531
|
|
|
532
|
case RADIUS_MICROSOFT_MS_PRIMARY_DNS_SERVER:
|
|
533
|
$this->attributes['ms_primary_dns_server'] = radius_cvt_string($datav);
|
|
534
|
break;
|
|
535
|
}
|
|
536
|
}
|
|
537
|
|
|
538
|
if ($vendor == RADIUS_VENDOR_BAY) {
|
|
539
|
|
|
540
|
switch ($attrv) {
|
|
541
|
case RADIUS_BAY_CES_GROUP:
|
|
542
|
$this->attributes['ces_group'] = radius_cvt_string($datav);
|
|
543
|
break;
|
|
544
|
}
|
|
545
|
}
|
|
546
|
|
|
547
|
if ($vendor == 3309) { /* RADIUS_VENDOR_NOMADIX */
|
|
548
|
|
|
549
|
switch ($attrv) {
|
|
550
|
case 1: /* RADIUS_NOMADIX_BW_UP */
|
|
551
|
$this->attributes['bw_up'] = radius_cvt_int($datav);
|
|
552
|
break;
|
|
553
|
case 2: /* RADIUS_NOMADIX_BW_DOWN */
|
|
554
|
$this->attributes['bw_down'] = radius_cvt_int($datav);
|
|
555
|
break;
|
|
556
|
case 3: /* RADIUS_NOMADIX_URL_REDIRECTION */
|
|
557
|
$this->attributes['url_redirection'] = radius_cvt_string($datav);
|
|
558
|
break;
|
|
559
|
case 5: /* RADIUS_NOMADIX_EXPIRATION */
|
|
560
|
$this->attributes['expiration'] = radius_cvt_string($datav);
|
|
561
|
break;
|
|
562
|
case 7: /* RADIUS_NOMADIX_MAXBYTESUP */
|
|
563
|
$this->attributes['maxbytesup'] = radius_cvt_int($datav);
|
|
564
|
break;
|
|
565
|
case 8: /* RADIUS_NOMADIX_MAXBYTESDOWN */
|
|
566
|
$this->attributes['maxbytesdown'] = radius_cvt_int($datav);
|
|
567
|
break;
|
|
568
|
case 10: /* RADIUS_NOMADIX_LOGOFF_URL */
|
|
569
|
$this->attributes['url_logoff'] = radius_cvt_string($datav);
|
|
570
|
break;
|
|
571
|
}
|
|
572
|
}
|
|
573
|
|
|
574
|
if ($vendor == 14122) { /* RADIUS_VENDOR_WISPr Wi-Fi Alliance */
|
|
575
|
|
|
576
|
switch ($attrv) {
|
|
577
|
case 1: /* WISPr-Location-ID */
|
|
578
|
$this->attributes['location_id'] = radius_cvt_string($datav);
|
|
579
|
break;
|
|
580
|
case 2: /* WISPr-Location-Name */
|
|
581
|
$this->attributes['location_name'] = radius_cvt_string($datav);
|
|
582
|
break;
|
|
583
|
case 3: /* WISPr-Logoff-URL */
|
|
584
|
$this->attributes['url_logoff'] = radius_cvt_string($datav);
|
|
585
|
break;
|
|
586
|
case 4: /* WISPr-Redirection-URL */
|
|
587
|
$this->attributes['url_redirection'] = radius_cvt_string($datav);
|
|
588
|
break;
|
|
589
|
case 5: /* WISPr-Bandwidth-Min-Up */
|
|
590
|
$this->attributes['bw_minbytesup'] = radius_cvt_int($datav);
|
|
591
|
break;
|
|
592
|
case 6: /* WISPr-Bandwidth-Min-Down */
|
|
593
|
$this->attributes['bw_minbytesdown'] = radius_cvt_int($datav);
|
|
594
|
break;
|
|
595
|
case 7: /* WIPSr-Bandwidth-Max-Up */
|
|
596
|
$this->attributes['bw_maxbytesup'] = radius_cvt_int($datav);
|
|
597
|
break;
|
|
598
|
case 8: /* WISPr-Bandwidth-Max-Down */
|
|
599
|
$this->attributes['bw_maxbytesdown'] = radius_cvt_int($datav);
|
|
600
|
break;
|
|
601
|
case 9: /* WISPr-Session-Terminate-Time */
|
|
602
|
$this->attributes['session_terminate_time'] = radius_cvt_string($datav);
|
|
603
|
break;
|
|
604
|
case 10: /* WISPr-Session-Terminate-End-Of-Day */
|
|
605
|
$this->attributes['session_terminate_endofday'] = radius_cvt_int($datav);
|
|
606
|
break;
|
|
607
|
case 11: /* WISPr-Billing-Class-Of-Service */
|
|
608
|
$this->attributes['billing_class_of_service'] = radius_cvt_string($datav);
|
|
609
|
break;
|
|
610
|
}
|
|
611
|
}
|
|
612
|
|
|
613
|
break;
|
|
614
|
|
|
615
|
}
|
|
616
|
}
|
|
617
|
|
|
618
|
return true;
|
|
619
|
}
|
|
620
|
|
|
621
|
/**
|
|
622
|
* Frees resources.
|
|
623
|
*
|
|
624
|
* Calling this method is always a good idea, because all security relevant
|
|
625
|
* attributes are filled with Nullbytes to leave nothing in the mem.
|
|
626
|
*
|
|
627
|
* @access public
|
|
628
|
*/
|
|
629
|
function close()
|
|
630
|
{
|
|
631
|
if ($this->res != null) {
|
|
632
|
radius_close($this->res);
|
|
633
|
$this->res = null;
|
|
634
|
}
|
|
635
|
$this->username = str_repeat("\0", strlen($this->username));
|
|
636
|
$this->password = str_repeat("\0", strlen($this->password));
|
|
637
|
}
|
|
638
|
|
|
639
|
}
|
|
640
|
|
|
641
|
/**
|
|
642
|
* class Auth_RADIUS_PAP
|
|
643
|
*
|
|
644
|
* Class for authenticating using PAP (Plaintext)
|
|
645
|
*
|
|
646
|
* @package Auth_RADIUS
|
|
647
|
*/
|
|
648
|
class Auth_RADIUS_PAP extends Auth_RADIUS
|
|
649
|
{
|
|
650
|
|
|
651
|
/**
|
|
652
|
* Constructor
|
|
653
|
*
|
|
654
|
* @param string $username Username
|
|
655
|
* @param string $password Password
|
|
656
|
* @return void
|
|
657
|
*/
|
|
658
|
function Auth_RADIUS_PAP($username = null, $password = null)
|
|
659
|
{
|
|
660
|
$this->Auth_RADIUS();
|
|
661
|
$this->username = $username;
|
|
662
|
$this->password = $password;
|
|
663
|
}
|
|
664
|
|
|
665
|
/**
|
|
666
|
* Creates a RADIUS resource
|
|
667
|
*
|
|
668
|
* Creates a RADIUS resource for authentication. This should be the first
|
|
669
|
* call before you make any other things with the library.
|
|
670
|
*
|
|
671
|
* @return bool true on success, false on error
|
|
672
|
*/
|
|
673
|
function open()
|
|
674
|
{
|
|
675
|
$this->res = radius_auth_open();
|
|
676
|
if (!$this->res) {
|
|
677
|
return false;
|
|
678
|
}
|
|
679
|
return true;
|
|
680
|
}
|
|
681
|
|
|
682
|
/**
|
|
683
|
* Creates an authentication request
|
|
684
|
*
|
|
685
|
* Creates an authentication request.
|
|
686
|
* You MUST call this method before you can put any attribute
|
|
687
|
*
|
|
688
|
* @return bool true on success, false on error
|
|
689
|
*/
|
|
690
|
function createRequest()
|
|
691
|
{
|
|
692
|
if (!radius_create_request($this->res, RADIUS_ACCESS_REQUEST)) {
|
|
693
|
return false;
|
|
694
|
}
|
|
695
|
return true;
|
|
696
|
}
|
|
697
|
|
|
698
|
/**
|
|
699
|
* Put authentication specific attributes
|
|
700
|
*
|
|
701
|
* @return void
|
|
702
|
*/
|
|
703
|
function putAuthAttributes()
|
|
704
|
{
|
|
705
|
if (isset($this->username)) {
|
|
706
|
$this->putAttribute(RADIUS_USER_NAME, $this->username);
|
|
707
|
}
|
|
708
|
if (isset($this->password)) {
|
|
709
|
$this->putAttribute(RADIUS_USER_PASSWORD, $this->password);
|
|
710
|
}
|
|
711
|
}
|
|
712
|
|
|
713
|
}
|
|
714
|
|
|
715
|
/**
|
|
716
|
* class Auth_RADIUS_CHAP_MD5
|
|
717
|
*
|
|
718
|
* Class for authenticating using CHAP-MD5 see RFC1994.
|
|
719
|
* Instead og the plaintext password the challenge and
|
|
720
|
* the response are needed.
|
|
721
|
*
|
|
722
|
* @package Auth_RADIUS
|
|
723
|
*/
|
|
724
|
class Auth_RADIUS_CHAP_MD5 extends Auth_RADIUS_PAP
|
|
725
|
{
|
|
726
|
/**
|
|
727
|
* 8 Bytes binary challenge
|
|
728
|
* @var string
|
|
729
|
*/
|
|
730
|
var $challenge = null;
|
|
731
|
|
|
732
|
/**
|
|
733
|
* 16 Bytes MD5 response binary
|
|
734
|
* @var string
|
|
735
|
*/
|
|
736
|
var $response = null;
|
|
737
|
|
|
738
|
/**
|
|
739
|
* Id of the authentication request. Should incremented after every request.
|
|
740
|
* @var integer
|
|
741
|
*/
|
|
742
|
var $chapid = 1;
|
|
743
|
|
|
744
|
/**
|
|
745
|
* Constructor
|
|
746
|
*
|
|
747
|
* @param string $username Username
|
|
748
|
* @param string $challenge 8 Bytes Challenge (binary)
|
|
749
|
* @param integer $chapid Requestnumber
|
|
750
|
* @return void
|
|
751
|
*/
|
|
752
|
function Auth_RADIUS_CHAP_MD5($username = null, $challenge = null, $chapid = 1)
|
|
753
|
{
|
|
754
|
$this->Auth_RADIUS_PAP();
|
|
755
|
$this->username = $username;
|
|
756
|
$this->challenge = $challenge;
|
|
757
|
$this->chapid = $chapid;
|
|
758
|
}
|
|
759
|
|
|
760
|
/**
|
|
761
|
* Put CHAP-MD5 specific attributes
|
|
762
|
*
|
|
763
|
* For authenticating using CHAP-MD5 via RADIUS you have to put the challenge
|
|
764
|
* and the response. The chapid is inserted in the first byte of the response.
|
|
765
|
*
|
|
766
|
* @return void
|
|
767
|
*/
|
|
768
|
function putAuthAttributes()
|
|
769
|
{
|
|
770
|
if (isset($this->username)) {
|
|
771
|
$this->putAttribute(RADIUS_USER_NAME, $this->username);
|
|
772
|
}
|
|
773
|
if (isset($this->response)) {
|
|
774
|
$response = pack('C', $this->chapid) . $this->response;
|
|
775
|
$this->putAttribute(RADIUS_CHAP_PASSWORD, $response);
|
|
776
|
}
|
|
777
|
if (isset($this->challenge)) {
|
|
778
|
$this->putAttribute(RADIUS_CHAP_CHALLENGE, $this->challenge);
|
|
779
|
}
|
|
780
|
}
|
|
781
|
|
|
782
|
/**
|
|
783
|
* Frees resources.
|
|
784
|
*
|
|
785
|
* Calling this method is always a good idea, because all security relevant
|
|
786
|
* attributes are filled with Nullbytes to leave nothing in the mem.
|
|
787
|
*
|
|
788
|
* @access public
|
|
789
|
*/
|
|
790
|
function close()
|
|
791
|
{
|
|
792
|
Auth_RADIUS_PAP::close();
|
|
793
|
$this->challenge = str_repeat("\0", strlen($this->challenge));
|
|
794
|
$this->response = str_repeat("\0", strlen($this->response));
|
|
795
|
}
|
|
796
|
|
|
797
|
}
|
|
798
|
|
|
799
|
/**
|
|
800
|
* class Auth_RADIUS_MSCHAPv1
|
|
801
|
*
|
|
802
|
* Class for authenticating using MS-CHAPv1 see RFC2433
|
|
803
|
*
|
|
804
|
* @package Auth_RADIUS
|
|
805
|
*/
|
|
806
|
class Auth_RADIUS_MSCHAPv1 extends Auth_RADIUS_CHAP_MD5
|
|
807
|
{
|
|
808
|
/**
|
|
809
|
* LAN-Manager-Response
|
|
810
|
* @var string
|
|
811
|
*/
|
|
812
|
var $lmResponse = null;
|
|
813
|
|
|
814
|
/**
|
|
815
|
* Wether using deprecated LM-Responses or not.
|
|
816
|
* 0 = use LM-Response, 1 = use NT-Response
|
|
817
|
* @var bool
|
|
818
|
*/
|
|
819
|
var $flags = 1;
|
|
820
|
|
|
821
|
/**
|
|
822
|
* Put MS-CHAPv1 specific attributes
|
|
823
|
*
|
|
824
|
* For authenticating using MS-CHAPv1 via RADIUS you have to put the challenge
|
|
825
|
* and the response. The response has this structure:
|
|
826
|
* struct rad_mschapvalue {
|
|
827
|
* u_char ident;
|
|
828
|
* u_char flags;
|
|
829
|
* u_char lm_response[24];
|
|
830
|
* u_char response[24];
|
|
831
|
* };
|
|
832
|
*
|
|
833
|
* @return void
|
|
834
|
*/
|
|
835
|
function putAuthAttributes()
|
|
836
|
{
|
|
837
|
if (isset($this->username)) {
|
|
838
|
$this->putAttribute(RADIUS_USER_NAME, $this->username);
|
|
839
|
}
|
|
840
|
if (isset($this->response) || isset($this->lmResponse)) {
|
|
841
|
$lmResp = isset($this->lmResponse) ? $this->lmResponse : str_repeat ("\0", 24);
|
|
842
|
$ntResp = isset($this->response) ? $this->response : str_repeat ("\0", 24);
|
|
843
|
$resp = pack('CC', $this->chapid, $this->flags) . $lmResp . $ntResp;
|
|
844
|
$this->putVendorAttribute(RADIUS_VENDOR_MICROSOFT, RADIUS_MICROSOFT_MS_CHAP_RESPONSE, $resp);
|
|
845
|
}
|
|
846
|
if (isset($this->challenge)) {
|
|
847
|
$this->putVendorAttribute(RADIUS_VENDOR_MICROSOFT, RADIUS_MICROSOFT_MS_CHAP_CHALLENGE, $this->challenge);
|
|
848
|
}
|
|
849
|
}
|
|
850
|
}
|
|
851
|
|
|
852
|
/**
|
|
853
|
* class Auth_RADIUS_MSCHAPv2
|
|
854
|
*
|
|
855
|
* Class for authenticating using MS-CHAPv2 see RFC2759
|
|
856
|
*
|
|
857
|
* @package Auth_RADIUS
|
|
858
|
*/
|
|
859
|
class Auth_RADIUS_MSCHAPv2 extends Auth_RADIUS_MSCHAPv1
|
|
860
|
{
|
|
861
|
/**
|
|
862
|
* 16 Bytes binary challenge
|
|
863
|
* @var string
|
|
864
|
*/
|
|
865
|
var $challenge = null;
|
|
866
|
|
|
867
|
/**
|
|
868
|
* 16 Bytes binary Peer Challenge
|
|
869
|
* @var string
|
|
870
|
*/
|
|
871
|
var $peerChallenge = null;
|
|
872
|
|
|
873
|
/**
|
|
874
|
* Put MS-CHAPv2 specific attributes
|
|
875
|
*
|
|
876
|
* For authenticating using MS-CHAPv1 via RADIUS you have to put the challenge
|
|
877
|
* and the response. The response has this structure:
|
|
878
|
* struct rad_mschapv2value {
|
|
879
|
* u_char ident;
|
|
880
|
* u_char flags;
|
|
881
|
* u_char pchallenge[16];
|
|
882
|
* u_char reserved[8];
|
|
883
|
* u_char response[24];
|
|
884
|
* };
|
|
885
|
* where pchallenge is the peer challenge. Like for MS-CHAPv1 we set the flags field to 1.
|
|
886
|
* @return void
|
|
887
|
*/
|
|
888
|
function putAuthAttributes()
|
|
889
|
{
|
|
890
|
if (isset($this->username)) {
|
|
891
|
$this->putAttribute(RADIUS_USER_NAME, $this->username);
|
|
892
|
}
|
|
893
|
if (isset($this->response) && isset($this->peerChallenge)) {
|
|
894
|
// Response: chapid, flags (1 = use NT Response), Peer challenge, reserved, Response
|
|
895
|
$resp = pack('CCa16a8a24',$this->chapid , 1, $this->peerChallenge, str_repeat("\0", 8), $this->response);
|
|
896
|
$this->putVendorAttribute(RADIUS_VENDOR_MICROSOFT, RADIUS_MICROSOFT_MS_CHAP2_RESPONSE, $resp);
|
|
897
|
}
|
|
898
|
if (isset($this->challenge)) {
|
|
899
|
$this->putVendorAttribute(RADIUS_VENDOR_MICROSOFT, RADIUS_MICROSOFT_MS_CHAP_CHALLENGE, $this->challenge);
|
|
900
|
}
|
|
901
|
}
|
|
902
|
|
|
903
|
/**
|
|
904
|
* Frees resources.
|
|
905
|
*
|
|
906
|
* Calling this method is always a good idea, because all security relevant
|
|
907
|
* attributes are filled with Nullbytes to leave nothing in the mem.
|
|
908
|
*
|
|
909
|
* @access public
|
|
910
|
*/
|
|
911
|
function close()
|
|
912
|
{
|
|
913
|
Auth_RADIUS_MSCHAPv1::close();
|
|
914
|
$this->peerChallenge = str_repeat("\0", strlen($this->peerChallenge));
|
|
915
|
}
|
|
916
|
}
|
|
917
|
|
|
918
|
/**
|
|
919
|
* class Auth_RADIUS_Acct
|
|
920
|
*
|
|
921
|
* Class for RADIUS accounting
|
|
922
|
*
|
|
923
|
* @package Auth_RADIUS
|
|
924
|
*/
|
|
925
|
class Auth_RADIUS_Acct extends Auth_RADIUS
|
|
926
|
{
|
|
927
|
/**
|
|
928
|
* Defines where the Authentication was made, possible values are:
|
|
929
|
* RADIUS_AUTH_RADIUS, RADIUS_AUTH_LOCAL, RADIUS_AUTH_REMOTE
|
|
930
|
* @var integer
|
|
931
|
*/
|
|
932
|
var $authentic = null;
|
|
933
|
|
|
934
|
/**
|
|
935
|
* Defines the type of the accounting request, on of:
|
|
936
|
* RADIUS_START, RADIUS_STOP, RADIUS_ACCOUNTING_ON, RADIUS_ACCOUNTING_OFF
|
|
937
|
* @var integer
|
|
938
|
*/
|
|
939
|
var $status_type = null;
|
|
940
|
|
|
941
|
/**
|
|
942
|
* The time the user was logged in in seconds
|
|
943
|
* @var integer
|
|
944
|
*/
|
|
945
|
var $session_time = null;
|
|
946
|
|
|
947
|
/**
|
|
948
|
* A uniq identifier for the session of the user, maybe the PHP-Session-Id
|
|
949
|
* @var string
|
|
950
|
*/
|
|
951
|
var $session_id = null;
|
|
952
|
|
|
953
|
/**
|
|
954
|
* Constructor
|
|
955
|
*
|
|
956
|
* This function is disabled for M0n0wall since we use our own session_id
|
|
957
|
*
|
|
958
|
* Generates a predefined session_id. We use the Remote-Address, the PID, and the Current user.
|
|
959
|
* @return void
|
|
960
|
*
|
|
961
|
function Auth_RADIUS_Acct()
|
|
962
|
{
|
|
963
|
$this->Auth_RADIUS();
|
|
964
|
|
|
965
|
if (isset($_SERVER)) {
|
|
966
|
$var = &$_SERVER;
|
|
967
|
} else {
|
|
968
|
$var = &$GLOBALS['HTTP_SERVER_VARS'];
|
|
969
|
}
|
|
970
|
|
|
971
|
$this->session_id = sprintf("%s:%d-%s", isset($var['REMOTE_ADDR']) ? $var['REMOTE_ADDR'] : '127.0.0.1' , getmypid(), get_current_user());
|
|
972
|
}
|
|
973
|
*/
|
|
974
|
|
|
975
|
/**
|
|
976
|
* Constructor
|
|
977
|
*
|
|
978
|
*/
|
|
979
|
|
|
980
|
function Auth_RADIUS_Acct()
|
|
981
|
{
|
|
982
|
$this->Auth_RADIUS();
|
|
983
|
}
|
|
984
|
|
|
985
|
/**
|
|
986
|
* Creates a RADIUS resource
|
|
987
|
*
|
|
988
|
* Creates a RADIUS resource for accounting. This should be the first
|
|
989
|
* call before you make any other things with the library.
|
|
990
|
*
|
|
991
|
* @return bool true on success, false on error
|
|
992
|
*/
|
|
993
|
function open()
|
|
994
|
{
|
|
995
|
$this->res = radius_acct_open();
|
|
996
|
if (!$this->res) {
|
|
997
|
return false;
|
|
998
|
}
|
|
999
|
return true;
|
|
1000
|
}
|
|
1001
|
|
|
1002
|
/**
|
|
1003
|
* Creates an accounting request
|
|
1004
|
*
|
|
1005
|
* Creates an accounting request.
|
|
1006
|
* You MUST call this method before you can put any attribute.
|
|
1007
|
*
|
|
1008
|
* @return bool true on success, false on error
|
|
1009
|
*/
|
|
1010
|
function createRequest()
|
|
1011
|
{
|
|
1012
|
if (!radius_create_request($this->res, RADIUS_ACCOUNTING_REQUEST)) {
|
|
1013
|
return false;
|
|
1014
|
}
|
|
1015
|
return true;
|
|
1016
|
}
|
|
1017
|
|
|
1018
|
/**
|
|
1019
|
* Put attributes for accounting.
|
|
1020
|
*
|
|
1021
|
* Here we put some accounting values. There many more attributes for accounting,
|
|
1022
|
* but for web-applications only certain attributes make sense.
|
|
1023
|
* @return void
|
|
1024
|
*/
|
|
1025
|
function putAuthAttributes()
|
|
1026
|
{
|
|
1027
|
$this->putAttribute(RADIUS_ACCT_SESSION_ID, $this->session_id);
|
|
1028
|
$this->putAttribute(RADIUS_ACCT_STATUS_TYPE, $this->status_type);
|
|
1029
|
if (isset($this->session_time) && $this->status_type == RADIUS_STOP) {
|
|
1030
|
$this->putAttribute(RADIUS_ACCT_SESSION_TIME, $this->session_time);
|
|
1031
|
}
|
|
1032
|
if (isset($this->authentic)) {
|
|
1033
|
$this->putAttribute(RADIUS_ACCT_AUTHENTIC, $this->authentic);
|
|
1034
|
}
|
|
1035
|
|
|
1036
|
}
|
|
1037
|
|
|
1038
|
}
|
|
1039
|
|
|
1040
|
/**
|
|
1041
|
* class Auth_RADIUS_Acct_Start
|
|
1042
|
*
|
|
1043
|
* Class for RADIUS accounting. Its usualy used, after the user has logged in.
|
|
1044
|
*
|
|
1045
|
* @package Auth_RADIUS
|
|
1046
|
*/
|
|
1047
|
class Auth_RADIUS_Acct_Start extends Auth_RADIUS_Acct
|
|
1048
|
{
|
|
1049
|
/**
|
|
1050
|
* Defines the type of the accounting request.
|
|
1051
|
* It is set to RADIUS_START by default in this class.
|
|
1052
|
* @var integer
|
|
1053
|
*/
|
|
1054
|
var $status_type = RADIUS_START;
|
|
1055
|
}
|
|
1056
|
|
|
1057
|
/**
|
|
1058
|
* class Auth_RADIUS_Acct_Start
|
|
1059
|
*
|
|
1060
|
* Class for RADIUS accounting. Its usualy used, after the user has logged out.
|
|
1061
|
*
|
|
1062
|
* @package Auth_RADIUS
|
|
1063
|
*/
|
|
1064
|
class Auth_RADIUS_Acct_Stop extends Auth_RADIUS_Acct
|
|
1065
|
{
|
|
1066
|
/**
|
|
1067
|
* Defines the type of the accounting request.
|
|
1068
|
* It is set to RADIUS_STOP by default in this class.
|
|
1069
|
* @var integer
|
|
1070
|
*/
|
|
1071
|
var $status_type = RADIUS_STOP;
|
|
1072
|
}
|
|
1073
|
|
|
1074
|
if (!defined('RADIUS_UPDATE'))
|
|
1075
|
define('RADIUS_UPDATE', 3);
|
|
1076
|
|
|
1077
|
/**
|
|
1078
|
* class Auth_RADIUS_Acct_Update
|
|
1079
|
*
|
|
1080
|
* Class for interim RADIUS accounting updates.
|
|
1081
|
*
|
|
1082
|
* @package Auth_RADIUS
|
|
1083
|
*/
|
|
1084
|
class Auth_RADIUS_Acct_Update extends Auth_RADIUS_Acct
|
|
1085
|
{
|
|
1086
|
/**
|
|
1087
|
* Defines the type of the accounting request.
|
|
1088
|
* It is set to RADIUS_UPDATE by default in this class.
|
|
1089
|
* @var integer
|
|
1090
|
*/
|
|
1091
|
var $status_type = RADIUS_UPDATE;
|
|
1092
|
}
|
|
1093
|
|
|
1094
|
?>
|