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This code is made possible thx to samples made by Michael Bretterklieber author of the PHP PECL Radius package */ /* pfSense_MODULE: captiveportal */ /** * Get the NAS-IP-Address based on the current wan address * * Use functions in interfaces.inc to find this out * */ if (!function_exists('getNasIP')) { function getNasIP() { global $config, $cpzone; if (empty($config['captiveportal'][$cpzone]['radiussrcip_attribute'])) { $nasIp = get_interface_ip(); } else { if (is_ipaddr($config['captiveportal'][$cpzone]['radiussrcip_attribute'])) $nasIp = $config['captiveportal'][$cpzone]['radiussrcip_attribute']; else $nasIp = get_interface_ip($config['captiveportal'][$cpzone]['radiussrcip_attribute']); } if(!is_ipaddr($nasIp)) $nasIp = "0.0.0.0"; return $nasIp; } } /* RADIUS AUTHENTICATION --------------------- */ require_once("CHAP.inc"); function RADIUS_AUTHENTICATION($username,$password,$radiusservers,$clientip,$clientmac,$ruleno) { global $config, $cpzone; $retvalue = array(); $clientmac = mac_format($clientmac); $nas_port = $ruleno; $radiusvendor = $config['captiveportal'][$cpzone]['radiusvendor'] ? $config['captiveportal'][$cpzone]['radiusvendor'] : null; $radius_protocol = $config['captiveportal'][$cpzone]['radius_protocol']; // Do we even need to set it to NULL? $retvalue['error'] = $retvalue['reply_message'] = $retvalue['url_redirection'] = $retvalue['session_timeout'] = null; $retvalue['idle_timeout'] = $retvalue['session_terminate_time'] = $retvalue['interim_interval'] = null; switch($radiusvendor) { case 'cisco': $calledstationid = $clientmac; $callingstationid = $clientip; break; default: $calledstationid = getNasIP(); $callingstationid = $clientmac; break; } // Create our instance $classname = 'Auth_RADIUS_' . $radius_protocol; $rauth = new $classname($username, $password); /* * Add support for more then one radiusserver. * At most 10 servers may be specified. * When multiple servers are given, they are tried in round-robin fashion until a valid response is received */ foreach ($radiusservers as $radsrv) { // Add a new server to our instance $rauth->addServer($radsrv['ipaddr'], $radsrv['port'], $radsrv['key']); } // Construct data package $rauth->username = $username; switch ($radius_protocol) { case 'CHAP_MD5': case 'MSCHAPv1': $classname = $radius_protocol == 'MSCHAPv1' ? 'Crypt_CHAP_MSv1' : 'Crypt_CHAP_MD5'; $crpt = new $classname; $crpt->username = $username; $crpt->password = $password; $rauth->challenge = $crpt->challenge; $rauth->chapid = $crpt->chapid; $rauth->response = $crpt->challengeResponse(); $rauth->flags = 1; // If you must use deprecated and weak LAN-Manager-Responses use this: //$rauth->lmResponse = $crpt->lmChallengeResponse(); //$rauth->flags = 0; break; case 'MSCHAPv2': // Construct data package $crpt = new Crypt_CHAP_MSv2; $crpt->username = $username; $crpt->password = $password; $rauth->challenge = $crpt->authChallenge; $rauth->peerChallenge = $crpt->peerChallenge; $rauth->chapid = $crpt->chapid; $rauth->response = $crpt->challengeResponse(); break; default: $rauth->password = $password; break; } if (PEAR::isError($rauth->start())) { $retvalue['auth_val'] = 1; $retvalue['error'] = $rauth->getError(); // If we encounter an error immediately stop this function and go back $rauth->close(); return $retvalue; } // Default attributes $rauth->putAttribute(RADIUS_SERVICE_TYPE, RADIUS_LOGIN); $rauth->putAttribute(RADIUS_NAS_PORT_TYPE, RADIUS_ETHERNET); $rauth->putAttribute(RADIUS_NAS_PORT, $nas_port, 'integer'); // Extra data to identify the client and nas $rauth->putAttribute(RADIUS_FRAMED_IP_ADDRESS, $clientip, addr); $rauth->putAttribute(RADIUS_CALLED_STATION_ID, $calledstationid); $rauth->putAttribute(RADIUS_CALLING_STATION_ID, $callingstationid); // Send request $result = $rauth->send(); // Evaluation of the response // 1 -> Access-Request => We will use this value as an error indicator since we can't get a 1 back from the radius // 2 -> Access-Accept // 3 -> Access-Reject // See RFC2865 for this. if (PEAR::isError($result)) { $retvalue['auth_val'] = 1; $retvalue['error'] = $result->getMessage(); } else if ($result === true) { $retvalue['auth_val'] = 2; } else { $retvalue['auth_val'] = 3; } // Get attributes, even if auth failed. // We will push the results in the retvalue array if (!$rauth->getAttributes()) { $retvalue['error'] = $rauth->getError(); } else { $retvalue = array_merge($retvalue,$rauth->listAttributes()); // We convert the session_terminate_time to unixtimestamp if its set before returning the whole array to our caller if (!empty($retvalue['session_terminate_time'])) { $stt = &$retvalue['session_terminate_time']; $stt = strtotime(preg_replace("/\+(\d+):(\d+)$/", " +\${1}\${2}", preg_replace("/(\d+)T(\d+)/", "\${1} \${2}",$stt))); } } // close OO RADIUS_AUTHENTICATION $rauth->close(); unset($rauth); return $retvalue; } ?>