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+<?php
+/* vim: set expandtab tabstop=4 shiftwidth=4: */
+/*
+ radius.inc
+
+ Copyright (c) 2003, Michael Bretterklieber <michael@bretterklieber.com>
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ 3. The names of the authors may not be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ This code cannot simply be copied and put under the GNU Public License or
+ any other GPL-like (LGPL, GPL2) License.
+
+ This version of RADIUS.php has been modified by
+ Jonathan De Graeve <m0n0wall@esstec.be> to integrate with M0n0wall <http://www.m0n0.ch/wall>
+
+ Changes made include:
+ * StandardAttributes for M0n0wall use
+ * Removed internal Session-Id creation
+ * Adding of ReplyMessage to getAttributes()
+ * Adding of listAttributes()
+ * Adding of VENDOR Bay Networks (Nortel)
+ * Adding of VENDOR Nomadix
+ * Adding of VENDOR WISPr (Wi-Fi Alliance)
+ * Adding of VENDOR ChilliSpot (bandwidth-attributes only)
+
+*/
+
+/*
+ pfSense_MODULE: auth
+*/
+
+require_once("PEAR.inc");
+require_once("radius_authentication.inc");
+require_once("radius_accounting.inc");
+
+/**
+* Client implementation of RADIUS. This are wrapper classes for
+* the RADIUS PECL
+* Provides RADIUS Authentication (RFC2865) and RADIUS Accounting (RFC2866).
+*
+* @package Auth_RADIUS
+* @author Michael Bretterklieber <michael@bretterklieber.com>
+* @access public
+* @version $Revision: 1.5 $
+*/
+
+PEAR::loadExtension('radius');
+
+/**
+ * class Auth_RADIUS
+ *
+ * Abstract base class for RADIUS
+ *
+ * @package Auth_RADIUS
+ */
+class Auth_RADIUS extends PEAR {
+
+ /**
+ * List of RADIUS servers.
+ * @var array
+ * @see addServer(), putServer()
+ */
+ var $_servers = array();
+
+ /**
+ * Path to the configuration-file.
+ * @var string
+ * @see setConfigFile()
+ */
+ var $_configfile = null;
+
+ /**
+ * Resource.
+ * @var resource
+ * @see open(), close()
+ */
+ var $res = null;
+
+ /**
+ * Username for authentication and accounting requests.
+ * @var string
+ */
+ var $username = null;
+
+ /**
+ * Password for plaintext-authentication (PAP).
+ * @var string
+ */
+ var $password = null;
+
+ /**
+ * List of known attributes.
+ * @var array
+ * @see dumpAttributes(), getAttributes()
+ */
+ var $attributes = array();
+
+ /**
+ * List of raw attributes.
+ * @var array
+ * @see dumpAttributes(), getAttributes()
+ */
+ var $rawAttributes = array();
+
+ /**
+ * List of raw vendor specific attributes.
+ * @var array
+ * @see dumpAttributes(), getAttributes()
+ */
+ var $rawVendorAttributes = array();
+
+ /**
+ * Constructor
+ *
+ * Loads the RADIUS PECL/extension
+ *
+ * @return void
+ */
+ function Auth_RADIUS()
+ {
+ $this->PEAR();
+ }
+
+ /**
+ * Adds a RADIUS server to the list of servers for requests.
+ *
+ * At most 10 servers may be specified. When multiple servers
+ * are given, they are tried in round-robin fashion until a
+ * valid response is received
+ *
+ * @access public
+ * @param string $servername Servername or IP-Address
+ * @param integer $port Portnumber
+ * @param string $sharedSecret Shared secret
+ * @param integer $timeout Timeout for each request
+ * @param integer $maxtries Max. retries for each request
+ * @return void
+ */
+ function addServer($servername = 'localhost', $port = 0, $sharedSecret = 'testing123', $timeout = 3, $maxtries = 2)
+ {
+ $this->_servers[] = array($servername, $port, $sharedSecret, $timeout, $maxtries);
+ }
+
+ /**
+ * Returns an error message, if an error occurred.
+ *
+ * @access public
+ * @return string
+ */
+ function getError()
+ {
+ return radius_strerror($this->res);
+ }
+
+ /**
+ * Sets the configuration-file.
+ *
+ * @access public
+ * @param string $file Path to the configuration file
+ * @return void
+ */
+ function setConfigfile($file)
+ {
+ $this->_configfile = $file;
+ }
+
+ /**
+ * Puts an attribute.
+ *
+ * @access public
+ * @param integer $attrib Attribute-number
+ * @param mixed $port Attribute-value
+ * @param type $type Attribute-type
+ * @return bool true on success, false on error
+ */
+ function putAttribute($attrib, $value, $type = null)
+ {
+ if ($type == null) {
+ $type = gettype($value);
+ }
+
+ switch ($type) {
+ case 'integer':
+ // Fix a conversion error so we should be able to handle 4GB values
+ return radius_put_int($this->res, $attrib, (float)$value);
+
+ case 'addr':
+ return radius_put_addr($this->res, $attrib, $value);
+
+ case 'string':
+ default:
+ return radius_put_attr($this->res, $attrib, $value);
+ }
+
+ }
+
+ /**
+ * Puts a vendor-specific attribute.
+ *
+ * @access public
+ * @param integer $vendor Vendor (MSoft, Cisco, ...)
+ * @param integer $attrib Attribute-number
+ * @param mixed $port Attribute-value
+ * @param type $type Attribute-type
+ * @return bool true on success, false on error
+ */
+ function putVendorAttribute($vendor, $attrib, $value, $type = null)
+ {
+
+ if ($type == null) {
+ $type = gettype($value);
+ }
+
+ switch ($type) {
+ case 'integer':
+ return radius_put_vendor_int($this->res, $vendor, $attrib, $value);
+
+ case 'addr':
+ return radius_put_vendor_addr($this->res, $vendor,$attrib, $value);
+
+ case 'string':
+ default:
+ return radius_put_vendor_attr($this->res, $vendor, $attrib, $value);
+ }
+
+ }
+
+ /**
+ * Prints known attributes received from the server.
+ *
+ * @access public
+ */
+ function dumpAttributes()
+ {
+ foreach ($this->attributes as $name => $data) {
+ echo "$name:$data<br />\n";
+ }
+ }
+
+ /**
+ * Return our know attributes array received from the server.
+ *
+ * @access public
+ */
+ function listAttributes()
+ {
+ return $this->attributes;
+ }
+
+ /**
+ * Overwrite this.
+ *
+ * @access public
+ */
+ function open()
+ {
+ }
+
+ /**
+ * Overwrite this.
+ *
+ * @access public
+ */
+ function createRequest()
+ {
+ }
+
+ /**
+ * Puts standard attributes.
+ *
+ * These attributes will always be present in a radius request
+ *
+ * @access public
+ */
+ function putStandardAttributes()
+ {
+ global $config, $cpzone;
+
+ if (!function_exists("getNasIp")) {
+ $ipaddr = "0.0.0.0";
+ } else {
+ $ipaddr = getNasIP();
+ }
+ // Add support for sending NAS-IP-Address, set this explicitly as an ip_addr
+ $this->putAttribute(RADIUS_NAS_IP_ADDRESS, $ipaddr, "addr");
+
+ // Add support for sending NAS-Identifier
+ if (empty($config["captiveportal"][$cpzone]["radiusnasid"])) {
+ $nasId = php_uname("n");
+ } else {
+ $nasId = $config["captiveportal"][$cpzone]["radiusnasid"];
+ }
+ $this->putAttribute(RADIUS_NAS_IDENTIFIER, $nasId);
+ }
+
+ /**
+ * Puts custom attributes.
+ *
+ * @access public
+ */
+ function putAuthAttributes()
+ {
+ if (isset($this->username)) {
+ $this->putAttribute(RADIUS_USER_NAME, $this->username);
+ }
+ }
+
+ /**
+ * Configures the radius library.
+ *
+ * @access public
+ * @param string $servername Servername or IP-Address
+ * @param integer $port Portnumber
+ * @param string $sharedSecret Shared secret
+ * @param integer $timeout Timeout for each request
+ * @param integer $maxtries Max. retries for each request
+ * @return bool true on success, false on error
+ * @see addServer()
+ */
+ function putServer($servername, $port = 0, $sharedsecret = 'testing123', $timeout = 3, $maxtries = 3)
+ {
+ if (!radius_add_server($this->res, $servername, $port, $sharedsecret, $timeout, $maxtries)) {
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * Configures the radius library via external configurationfile
+ *
+ * @access public
+ * @param string $servername Servername or IP-Address
+ * @return bool true on success, false on error
+ */
+ function putConfigfile($file)
+ {
+ if (!radius_config($this->res, $file)) {
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * Initiates a RADIUS request.
+ *
+ * @access public
+ * @return bool true on success, false on errors
+ */
+ function start()
+ {
+ if (!$this->open()) {
+ return false;
+ }
+
+ foreach ($this->_servers as $s) {
+ // Servername, port, sharedsecret, timeout, retries
+ if (!$this->putServer($s[0], $s[1], $s[2], $s[3], $s[4])) {
+ return false;
+ }
+ }
+
+ if (!empty($this->_configfile)) {
+ if (!$this->putConfigfile($this->_configfile)) {
+ return false;
+ }
+ }
+
+ $this->createRequest();
+ $this->putStandardAttributes();
+ $this->putAuthAttributes();
+ return true;
+ }
+
+ /**
+ * Sends a prepared RADIUS request and waits for a response
+ *
+ * @access public
+ * @return mixed true on success, false on reject, PEAR_Error on error
+ */
+ function send()
+ {
+ $req = radius_send_request($this->res);
+ if (!$req) {
+ return $this->raiseError(gettext('Error sending request:') . ' ' . $this->getError());
+ }
+
+ switch($req) {
+ case RADIUS_ACCESS_ACCEPT:
+ if (is_subclass_of($this, 'auth_radius_acct')) {
+ return $this->raiseError(gettext('RADIUS_ACCESS_ACCEPT is unexpected for accounting'));
+ }
+ return true;
+
+ case RADIUS_ACCESS_REJECT:
+ return false;
+
+ case RADIUS_ACCOUNTING_RESPONSE:
+ if (is_subclass_of($this, 'auth_radius_pap')) {
+ return $this->raiseError(gettext('RADIUS_ACCOUNTING_RESPONSE is unexpected for authentication'));
+ }
+ return true;
+
+ default:
+ return $this->raiseError(sprintf(gettext("Unexpected return value: %s"),$req));
+ }
+
+ }
+
+ /**
+ * Reads all received attributes after sending the request.
+ *
+ * This methos stores know attributes in the property attributes,
+ * all attributes (including known attibutes) are stored in rawAttributes
+ * or rawVendorAttributes.
+ * NOTE: call this functio also even if the request was rejected, because the
+ * Server returns usualy an errormessage
+ *
+ * @access public
+ * @return bool true on success, false on error
+ */
+ function getAttributes()
+ {
+
+ while ($attrib = radius_get_attr($this->res)) {
+
+ if (!is_array($attrib)) {
+ return false;
+ }
+
+ $attr = $attrib['attr'];
+ $data = $attrib['data'];
+
+ $this->rawAttributes[$attr] = $data;
+
+ switch ($attr) {
+ case RADIUS_FRAMED_IP_ADDRESS:
+ $this->attributes['framed_ip'] = radius_cvt_addr($data);
+ break;
+
+ case RADIUS_FRAMED_IP_NETMASK:
+ $this->attributes['framed_mask'] = radius_cvt_addr($data);
+ break;
+
+ case RADIUS_FRAMED_MTU:
+ $this->attributes['framed_mtu'] = radius_cvt_int($data);
+ break;
+
+ case RADIUS_FRAMED_COMPRESSION:
+ $this->attributes['framed_compression'] = radius_cvt_int($data);
+ break;
+
+ case RADIUS_SESSION_TIMEOUT:
+ $this->attributes['session_timeout'] = radius_cvt_int($data);
+ break;
+
+ case RADIUS_IDLE_TIMEOUT:
+ $this->attributes['idle_timeout'] = radius_cvt_int($data);
+ break;
+
+ case RADIUS_SERVICE_TYPE:
+ $this->attributes['service_type'] = radius_cvt_int($data);
+ break;
+
+ case RADIUS_CLASS:
+ $this->attributes['class'] = radius_cvt_string($data);
+ break;
+
+ case RADIUS_FRAMED_PROTOCOL:
+ $this->attributes['framed_protocol'] = radius_cvt_int($data);
+ break;
+
+ case RADIUS_FRAMED_ROUTING:
+ $this->attributes['framed_routing'] = radius_cvt_int($data);
+ break;
+
+ case RADIUS_FILTER_ID:
+ $this->attributes['filter_id'] = radius_cvt_string($data);
+ break;
+
+ case RADIUS_REPLY_MESSAGE:
+ $this->attributes['reply_message'] = radius_cvt_string($data);
+ break;
+
+ case RADIUS_VENDOR_SPECIFIC:
+ $attribv = radius_get_vendor_attr($data);
+ if (!is_array($attribv)) {
+ return false;
+ }
+
+ $vendor = $attribv['vendor'];
+ $attrv = $attribv['attr'];
+ $datav = $attribv['data'];
+
+ $this->rawVendorAttributes[$vendor][$attrv] = $datav;
+
+ if ($vendor == RADIUS_VENDOR_MICROSOFT) {
+
+ switch ($attrv) {
+ case RADIUS_MICROSOFT_MS_CHAP2_SUCCESS:
+ $this->attributes['ms_chap2_success'] = radius_cvt_string($datav);
+ break;
+
+ case RADIUS_MICROSOFT_MS_CHAP_ERROR:
+ $this->attributes['ms_chap_error'] = radius_cvt_string(substr($datav,1));
+ break;
+
+ case RADIUS_MICROSOFT_MS_CHAP_DOMAIN:
+ $this->attributes['ms_chap_domain'] = radius_cvt_string($datav);
+ break;
+
+ case RADIUS_MICROSOFT_MS_MPPE_ENCRYPTION_POLICY:
+ $this->attributes['ms_mppe_encryption_policy'] = radius_cvt_int($datav);
+ break;
+
+ case RADIUS_MICROSOFT_MS_MPPE_ENCRYPTION_TYPES:
+ $this->attributes['ms_mppe_encryption_types'] = radius_cvt_int($datav);
+ break;
+
+ case RADIUS_MICROSOFT_MS_CHAP_MPPE_KEYS:
+ $demangled = radius_demangle($this->res, $datav);
+ $this->attributes['ms_chap_mppe_lm_key'] = substr($demangled, 0, 8);
+ $this->attributes['ms_chap_mppe_nt_key'] = substr($demangled, 8, RADIUS_MPPE_KEY_LEN);
+ break;
+
+ case RADIUS_MICROSOFT_MS_MPPE_SEND_KEY:
+ $this->attributes['ms_chap_mppe_send_key'] = radius_demangle_mppe_key($this->res, $datav);
+ break;
+
+ case RADIUS_MICROSOFT_MS_MPPE_RECV_KEY:
+ $this->attributes['ms_chap_mppe_recv_key'] = radius_demangle_mppe_key($this->res, $datav);
+ break;
+
+ case RADIUS_MICROSOFT_MS_PRIMARY_DNS_SERVER:
+ $this->attributes['ms_primary_dns_server'] = radius_cvt_string($datav);
+ break;
+ }
+ }
+
+ elseif ($vendor == 1584) {
+
+ switch ($attrv) {
+ case 102:
+ $this->attributes['ces_group'] = radius_cvt_string($datav);
+ break;
+ }
+ }
+
+ elseif ($vendor == 3309) { /* RADIUS_VENDOR_NOMADIX */
+
+ switch ($attrv) {
+ case 1: /* RADIUS_NOMADIX_BW_UP */
+ $this->attributes['bw_up'] = radius_cvt_int($datav);
+ break;
+ case 2: /* RADIUS_NOMADIX_BW_DOWN */
+ $this->attributes['bw_down'] = radius_cvt_int($datav);
+ break;
+ case 3: /* RADIUS_NOMADIX_URL_REDIRECTION */
+ $this->attributes['url_redirection'] = radius_cvt_string($datav);
+ break;
+ case 5: /* RADIUS_NOMADIX_EXPIRATION */
+ $this->attributes['expiration'] = radius_cvt_string($datav);
+ break;
+ case 7: /* RADIUS_NOMADIX_MAXBYTESUP */
+ $this->attributes['maxbytesup'] = radius_cvt_int($datav);
+ break;
+ case 8: /* RADIUS_NOMADIX_MAXBYTESDOWN */
+ $this->attributes['maxbytesdown'] = radius_cvt_int($datav);
+ break;
+ case 10: /* RADIUS_NOMADIX_LOGOFF_URL */
+ $this->attributes['url_logoff'] = radius_cvt_string($datav);
+ break;
+ }
+ }
+
+ elseif ($vendor == 14122) { /* RADIUS_VENDOR_WISPr Wi-Fi Alliance */
+
+ switch ($attrv) {
+ case 1: /* WISPr-Location-ID */
+ $this->attributes['location_id'] = radius_cvt_string($datav);
+ break;
+ case 2: /* WISPr-Location-Name */
+ $this->attributes['location_name'] = radius_cvt_string($datav);
+ break;
+ case 3: /* WISPr-Logoff-URL */
+ $this->attributes['url_logoff'] = radius_cvt_string($datav);
+ break;
+ case 4: /* WISPr-Redirection-URL */
+ $this->attributes['url_redirection'] = radius_cvt_string($datav);
+ break;
+ case 5: /* WISPr-Bandwidth-Min-Up */
+ $this->attributes['bw_up_min'] = radius_cvt_int($datav);
+ break;
+ case 6: /* WISPr-Bandwidth-Min-Down */
+ $this->attributes['bw_down_min'] = radius_cvt_int($datav);
+ break;
+ case 7: /* WISPr-Bandwidth-Max-Up */
+ $this->attributes['bw_up'] = radius_cvt_int($datav);
+ break;
+ case 8: /* WISPr-Bandwidth-Max-Down */
+ $this->attributes['bw_down'] = radius_cvt_int($datav);
+ break;
+ case 9: /* WISPr-Session-Terminate-Time */
+ $this->attributes['session_terminate_time'] = radius_cvt_string($datav);
+ break;
+ case 10: /* WISPr-Session-Terminate-End-Of-Day */
+ $this->attributes['session_terminate_endofday'] = radius_cvt_int($datav);
+ break;
+ case 11: /* WISPr-Billing-Class-Of-Service */
+ $this->attributes['billing_class_of_service'] = radius_cvt_string($datav);
+ break;
+ }
+ }
+
+ elseif ($vendor == 14559) { /* RADIUS_VENDOR_ChilliSpot */
+ switch ($attrv) {
+ case 4: /* ChilliSpot-Bandwidth-Max-Up */
+ $this->attributes['bw_up'] = radius_cvt_int($datav);
+ break;
+ case 5: /* ChilliSpot-Bandwidth-Max-Down */
+ $this->attributes['bw_down'] = radius_cvt_int($datav);
+ break;
+ }
+ }
+
+ elseif ($vendor == 9) { /* RADIUS_VENDOR_CISCO */
+ switch ($attrv) {
+ case 1: /* Cisco-AVPair */
+ if (!is_array($this->attributes['ciscoavpair']))
+ $this->attributes['ciscoavpair'] = array();
+ $this->attributes['ciscoavpair'][] = radius_cvt_string($datav);
+ break;
+ }
+ }
+
+ elseif ($vendor == 8744) { /* Colubris / HP MSM wireless */
+ //documented at http://bizsupport1.austin.hp.com/bc/docs/support/SupportManual/c02704528/c02704528.pdf pg 15-67
+ if ($attrv == 0) { /* Colubris AV-Pair */
+ $datav = explode('=', $datav);
+ switch ($datav[0]) {
+ case 'max-input-rate':
+ // "Controls the data rate [kbps] at which traffic can be transferred from the user to the [router]."
+ $this->attributes['bw_up'] = radius_cvt_int($datav[1]);
+ break;
+ case 'max-output-rate':
+ //"Controls the data rate [kbps] at which traffic can be transferred from the [router] to the user."
+ $this->attributes['bw_down'] = radius_cvt_int($datav[1]);
+ break;
+ case 'max-input-octets':
+ $this->attributes['maxbytesup'] = radius_cvt_int($datav[1]);
+ break;
+ case 'max-output-octets':
+ $this->attributes['maxbytesdown'] = radius_cvt_int($datav[1]);
+ break;
+ case 'welcome-url':
+ $this->attributes['url_redirection'] = radius_cvt_string($datav[1]);
+ break;
+ case 'goodbye-url':
+ $this->attributes['url_logoff'] = radius_cvt_string($datav[1]);
+ break;
+ }
+ }
+ }
+
+ break;
+
+ case 85: /* Acct-Interim-Interval: RFC 2869 */
+ $this->attributes['interim_interval'] = radius_cvt_int($data);
+ break;
+ }
+ }
+
+ return true;
+ }
+
+ /**
+ * Frees resources.
+ *
+ * Calling this method is always a good idea, because all security relevant
+ * attributes are filled with Nullbytes to leave nothing in the mem.
+ *
+ * @access public
+ */
+ function close()
+ {
+ if ($this->res != null) {
+ radius_close($this->res);
+ $this->res = null;
+ }
+ $this->username = str_repeat("\0", strlen($this->username));
+ $this->password = str_repeat("\0", strlen($this->password));
+ }
+
+}
+
+/**
+ * class Auth_RADIUS_PAP
+ *
+ * Class for authenticating using PAP (Plaintext)
+ *
+ * @package Auth_RADIUS
+ */
+class Auth_RADIUS_PAP extends Auth_RADIUS
+{
+
+ /**
+ * Constructor
+ *
+ * @param string $username Username
+ * @param string $password Password
+ * @return void
+ */
+ function Auth_RADIUS_PAP($username = null, $password = null)
+ {
+ $this->Auth_RADIUS();
+ $this->username = $username;
+ $this->password = $password;
+ }
+
+ /**
+ * Creates a RADIUS resource
+ *
+ * Creates a RADIUS resource for authentication. This should be the first
+ * call before you make any other things with the library.
+ *
+ * @return bool true on success, false on error
+ */
+ function open()
+ {
+ $this->res = radius_auth_open();
+ if (!$this->res) {
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * Creates an authentication request
+ *
+ * Creates an authentication request.
+ * You MUST call this method before you can put any attribute
+ *
+ * @return bool true on success, false on error
+ */
+ function createRequest()
+ {
+ if (!radius_create_request($this->res, RADIUS_ACCESS_REQUEST)) {
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * Put authentication specific attributes
+ *
+ * @return void
+ */
+ function putAuthAttributes()
+ {
+ if (isset($this->username)) {
+ $this->putAttribute(RADIUS_USER_NAME, $this->username);
+ }
+ if (isset($this->password)) {
+ $this->putAttribute(RADIUS_USER_PASSWORD, $this->password);
+ }
+ }
+
+}
+
+/**
+ * class Auth_RADIUS_CHAP_MD5
+ *
+ * Class for authenticating using CHAP-MD5 see RFC1994.
+ * Instead og the plaintext password the challenge and
+ * the response are needed.
+ *
+ * @package Auth_RADIUS
+ */
+class Auth_RADIUS_CHAP_MD5 extends Auth_RADIUS_PAP
+{
+ /**
+ * 8 Bytes binary challenge
+ * @var string
+ */
+ var $challenge = null;
+
+ /**
+ * 16 Bytes MD5 response binary
+ * @var string
+ */
+ var $response = null;
+
+ /**
+ * Id of the authentication request. Should incremented after every request.
+ * @var integer
+ */
+ var $chapid = 1;
+
+ /**
+ * Constructor
+ *
+ * @param string $username Username
+ * @param string $challenge 8 Bytes Challenge (binary)
+ * @param integer $chapid Requestnumber
+ * @return void
+ */
+ function Auth_RADIUS_CHAP_MD5($username = null, $challenge = null, $chapid = 1)
+ {
+ $this->Auth_RADIUS_PAP();
+ $this->username = $username;
+ $this->challenge = $challenge;
+ $this->chapid = $chapid;
+ }
+
+ /**
+ * Put CHAP-MD5 specific attributes
+ *
+ * For authenticating using CHAP-MD5 via RADIUS you have to put the challenge
+ * and the response. The chapid is inserted in the first byte of the response.
+ *
+ * @return void
+ */
+ function putAuthAttributes()
+ {
+ if (isset($this->username)) {
+ $this->putAttribute(RADIUS_USER_NAME, $this->username);
+ }
+ if (isset($this->response)) {
+ $response = pack('C', $this->chapid) . $this->response;
+ $this->putAttribute(RADIUS_CHAP_PASSWORD, $response);
+ }
+ if (isset($this->challenge)) {
+ $this->putAttribute(RADIUS_CHAP_CHALLENGE, $this->challenge);
+ }
+ }
+
+ /**
+ * Frees resources.
+ *
+ * Calling this method is always a good idea, because all security relevant
+ * attributes are filled with Nullbytes to leave nothing in the mem.
+ *
+ * @access public
+ */
+ function close()
+ {
+ Auth_RADIUS_PAP::close();
+ $this->challenge = str_repeat("\0", strlen($this->challenge));
+ $this->response = str_repeat("\0", strlen($this->response));
+ }
+
+}
+
+/**
+ * class Auth_RADIUS_MSCHAPv1
+ *
+ * Class for authenticating using MS-CHAPv1 see RFC2433
+ *
+ * @package Auth_RADIUS
+ */
+class Auth_RADIUS_MSCHAPv1 extends Auth_RADIUS_CHAP_MD5
+{
+ /**
+ * LAN-Manager-Response
+ * @var string
+ */
+ var $lmResponse = null;
+
+ /**
+ * Wether using deprecated LM-Responses or not.
+ * 0 = use LM-Response, 1 = use NT-Response
+ * @var bool
+ */
+ var $flags = 1;
+
+ /**
+ * Put MS-CHAPv1 specific attributes
+ *
+ * For authenticating using MS-CHAPv1 via RADIUS you have to put the challenge
+ * and the response. The response has this structure:
+ * struct rad_mschapvalue {
+ * u_char ident;
+ * u_char flags;
+ * u_char lm_response[24];
+ * u_char response[24];
+ * };
+ *
+ * @return void
+ */
+ function putAuthAttributes()
+ {
+ if (isset($this->username)) {
+ $this->putAttribute(RADIUS_USER_NAME, $this->username);
+ }
+ if (isset($this->response) || isset($this->lmResponse)) {
+ $lmResp = isset($this->lmResponse) ? $this->lmResponse : str_repeat ("\0", 24);
+ $ntResp = isset($this->response) ? $this->response : str_repeat ("\0", 24);
+ $resp = pack('CC', $this->chapid, $this->flags) . $lmResp . $ntResp;
+ $this->putVendorAttribute(RADIUS_VENDOR_MICROSOFT, RADIUS_MICROSOFT_MS_CHAP_RESPONSE, $resp);
+ }
+ if (isset($this->challenge)) {
+ $this->putVendorAttribute(RADIUS_VENDOR_MICROSOFT, RADIUS_MICROSOFT_MS_CHAP_CHALLENGE, $this->challenge);
+ }
+ }
+}
+
+/**
+ * class Auth_RADIUS_MSCHAPv2
+ *
+ * Class for authenticating using MS-CHAPv2 see RFC2759
+ *
+ * @package Auth_RADIUS
+ */
+class Auth_RADIUS_MSCHAPv2 extends Auth_RADIUS_MSCHAPv1
+{
+ /**
+ * 16 Bytes binary challenge
+ * @var string
+ */
+ var $challenge = null;
+
+ /**
+ * 16 Bytes binary Peer Challenge
+ * @var string
+ */
+ var $peerChallenge = null;
+
+ /**
+ * Put MS-CHAPv2 specific attributes
+ *
+ * For authenticating using MS-CHAPv1 via RADIUS you have to put the challenge
+ * and the response. The response has this structure:
+ * struct rad_mschapv2value {
+ * u_char ident;
+ * u_char flags;
+ * u_char pchallenge[16];
+ * u_char reserved[8];
+ * u_char response[24];
+ * };
+ * where pchallenge is the peer challenge. Like for MS-CHAPv1 we set the flags field to 1.
+ * @return void
+ */
+ function putAuthAttributes()
+ {
+ if (isset($this->username)) {
+ $this->putAttribute(RADIUS_USER_NAME, $this->username);
+ }
+ if (isset($this->response) && isset($this->peerChallenge)) {
+ // Response: chapid, flags (1 = use NT Response), Peer challenge, reserved, Response
+ $resp = pack('CCa16a8a24',$this->chapid , 1, $this->peerChallenge, str_repeat("\0", 8), $this->response);
+ $this->putVendorAttribute(RADIUS_VENDOR_MICROSOFT, RADIUS_MICROSOFT_MS_CHAP2_RESPONSE, $resp);
+ }
+ if (isset($this->challenge)) {
+ $this->putVendorAttribute(RADIUS_VENDOR_MICROSOFT, RADIUS_MICROSOFT_MS_CHAP_CHALLENGE, $this->challenge);
+ }
+ }
+
+ /**
+ * Frees resources.
+ *
+ * Calling this method is always a good idea, because all security relevant
+ * attributes are filled with Nullbytes to leave nothing in the mem.
+ *
+ * @access public
+ */
+ function close()
+ {
+ Auth_RADIUS_MSCHAPv1::close();
+ $this->peerChallenge = str_repeat("\0", strlen($this->peerChallenge));
+ }
+}
+
+/**
+ * class Auth_RADIUS_Acct
+ *
+ * Class for RADIUS accounting
+ *
+ * @package Auth_RADIUS
+ */
+class Auth_RADIUS_Acct extends Auth_RADIUS
+{
+ /**
+ * Defines where the Authentication was made, possible values are:
+ * RADIUS_AUTH_RADIUS, RADIUS_AUTH_LOCAL, RADIUS_AUTH_REMOTE
+ * @var integer
+ */
+ var $authentic = null;
+
+ /**
+ * Defines the type of the accounting request, on of:
+ * RADIUS_START, RADIUS_STOP, RADIUS_ACCOUNTING_ON, RADIUS_ACCOUNTING_OFF
+ * @var integer
+ */
+ var $status_type = null;
+
+ /**
+ * The time the user was logged in in seconds
+ * @var integer
+ */
+ var $session_time = null;
+
+ /**
+ * A uniq identifier for the session of the user, maybe the PHP-Session-Id
+ * @var string
+ */
+ var $session_id = null;
+
+ /**
+ * Constructor
+ *
+ * This function is disabled for M0n0wall since we use our own session_id
+ *
+ * Generates a predefined session_id. We use the Remote-Address, the PID, and the Current user.
+ * @return void
+ *
+ function Auth_RADIUS_Acct()
+ {
+ $this->Auth_RADIUS();
+
+ if (isset($_SERVER)) {
+ $var = &$_SERVER;
+ } else {
+ $var = &$GLOBALS['HTTP_SERVER_VARS'];
+ }
+
+ $this->session_id = sprintf("%s:%d-%s", isset($var['REMOTE_ADDR']) ? $var['REMOTE_ADDR'] : '127.0.0.1' , getmypid(), get_current_user());
+ }
+ */
+
+ /**
+ * Constructor
+ *
+ */
+
+ function Auth_RADIUS_Acct()
+ {
+ $this->Auth_RADIUS();
+ }
+
+ /**
+ * Creates a RADIUS resource
+ *
+ * Creates a RADIUS resource for accounting. This should be the first
+ * call before you make any other things with the library.
+ *
+ * @return bool true on success, false on error
+ */
+ function open()
+ {
+ $this->res = radius_acct_open();
+ if (!$this->res) {
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * Creates an accounting request
+ *
+ * Creates an accounting request.
+ * You MUST call this method before you can put any attribute.
+ *
+ * @return bool true on success, false on error
+ */
+ function createRequest()
+ {
+ if (!radius_create_request($this->res, RADIUS_ACCOUNTING_REQUEST)) {
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * Put attributes for accounting.
+ *
+ * Here we put some accounting values. There many more attributes for accounting,
+ * but for web-applications only certain attributes make sense.
+ * @return void
+ */
+ function putAuthAttributes()
+ {
+ if (isset($this->username)) {
+ $this->putAttribute(RADIUS_USER_NAME, $this->username);
+ }
+ $this->putAttribute(RADIUS_ACCT_STATUS_TYPE, $this->status_type);
+ //if (isset($this->session_time) && $this->status_type == RADIUS_STOP) {
+ if (isset($this->session_time)) {
+ $this->putAttribute(RADIUS_ACCT_SESSION_TIME, $this->session_time);
+ }
+ if (isset($this->authentic)) {
+ $this->putAttribute(RADIUS_ACCT_AUTHENTIC, $this->authentic);
+ }
+
+ $this->putStandardAttributes();
+ }
+
+}
+
+/**
+ * class Auth_RADIUS_Acct_Start
+ *
+ * Class for RADIUS accounting. Its usualy used, after the user has logged in.
+ *
+ * @package Auth_RADIUS
+ */
+class Auth_RADIUS_Acct_Start extends Auth_RADIUS_Acct
+{
+ /**
+ * Defines the type of the accounting request.
+ * It is set to RADIUS_START by default in this class.
+ * @var integer
+ */
+ var $status_type = RADIUS_START;
+}
+
+/**
+ * class Auth_RADIUS_Acct_Start
+ *
+ * Class for RADIUS accounting. Its usualy used, after the user has logged out.
+ *
+ * @package Auth_RADIUS
+ */
+class Auth_RADIUS_Acct_Stop extends Auth_RADIUS_Acct
+{
+ /**
+ * Defines the type of the accounting request.
+ * It is set to RADIUS_STOP by default in this class.
+ * @var integer
+ */
+ var $status_type = RADIUS_STOP;
+}
+
+if (!defined('RADIUS_UPDATE'))
+ define('RADIUS_UPDATE', 3);
+
+/**
+ * class Auth_RADIUS_Acct_Update
+ *
+ * Class for interim RADIUS accounting updates.
+ *
+ * @package Auth_RADIUS
+ */
+class Auth_RADIUS_Acct_Update extends Auth_RADIUS_Acct
+{
+ /**
+ * Defines the type of the accounting request.
+ * It is set to RADIUS_UPDATE by default in this class.
+ * @var integer
+ */
+ var $status_type = RADIUS_UPDATE;
+}
+
+/**
+ * class Auth_RADIUS_Acct_On
+ *
+ * Class for sending Accounting-On updates
+ *
+ * @package Auth_RADIUS
+ */
+class Auth_RADIUS_Acct_On extends Auth_RADIUS_Acct
+{
+ /**
+ * Defines the type of the accounting request.
+ * It is set to RADIUS_ACCOUNTING_ON by default in this class.
+ * @var integer
+ */
+ var $status_type = RADIUS_ACCOUNTING_ON;
+}
+
+/**
+ * class Auth_RADIUS_Acct_Off
+ *
+ * Class for sending Accounting-Off updates
+ *
+ * @package Auth_RADIUS
+ */
+class Auth_RADIUS_Acct_Off extends Auth_RADIUS_Acct
+{
+ /**
+ * Defines the type of the accounting request.
+ * It is set to RADIUS_ACCOUNTING_OFF by default in this class.
+ * @var integer
+ */
+ var $status_type = RADIUS_ACCOUNTING_OFF;
+}
+
+?>
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