From: Pavel Nazarov Date: Tue, 26 Mar 2013 13:10:47 +0000 (+0400) Subject: initial commit X-Git-Tag: 1.7.6~211^2 X-Git-Url: https://git.wh0rd.org/?a=commitdiff_plain;h=cb630176cf5487396ffadc6f028dc58361230983;p=tt-rss.git initial commit --- diff --git a/plugins/auth_radius/init.php b/plugins/auth_radius/init.php new file mode 100644 index 00000000..b0865454 --- /dev/null +++ b/plugins/auth_radius/init.php @@ -0,0 +1,76 @@ +link = $host->get_link(); + $this->host = $host; + $this->base = new Auth_Base($this->link); + $this->debug = FALSE; + + $host->add_hook($host::HOOK_AUTH_USER, $this); + } + + private function _log($msg) { + if ($this->debug) trigger_error($msg, E_USER_WARNING); + } + + function authenticate($login, $password) { + if (!require_once('php-radius/radius.php')) { + $this->_log('Cannot require radius class files!'); + return FALSE; + } + + if ($login && $password) { + if ( (!defined('RADIUS_AUTH_SERVER')) OR (!defined('RADIUS_AUTH_SECRET')) ) { + $this->_log('Could not parse RADIUS_AUTH_ options from config.php!'); + return FALSE; + } elseif (!defined('RADIUS_AUTH_PORT')) + define('RADIUS_AUTH_PORT', 1812); + + $radius = new Radius(RADIUS_AUTH_SERVER, RADIUS_AUTH_SECRET, '', 5, RADIUS_AUTH_PORT); + $radius->SetNasIpAddress('1.2.3.4'); + $auth = $radius->AccessRequest($login, $password); + + if ($auth) + return $this->base->auto_create_user($login); + else { + $this->_log('Radius authentication rejected!'); + return FALSE; + } + } + + return FALSE; + } + +} + +?> diff --git a/plugins/auth_radius/php-radius/COPYING b/plugins/auth_radius/php-radius/COPYING new file mode 100644 index 00000000..94a9ed02 --- /dev/null +++ b/plugins/auth_radius/php-radius/COPYING @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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Combined Libraries. + + You may place library facilities that are a work based on the +Library side by side in a single library together with other library +facilities that are not Applications and are not covered by this +License, and convey such a combined library under terms of your +choice, if you do both of the following: + + a) Accompany the combined library with a copy of the same work based + on the Library, uncombined with any other library facilities, + conveyed under the terms of this License. + + b) Give prominent notice with the combined library that part of it + is a work based on the Library, and explaining where to find the + accompanying uncombined form of the same work. + + 6. Revised Versions of the GNU Lesser General Public License. + + The Free Software Foundation may publish revised and/or new versions +of the GNU Lesser General Public License from time to time. Such new +versions will be similar in spirit to the present version, but may +differ in detail to address new problems or concerns. + + Each version is given a distinguishing version number. If the +Library as you received it specifies that a certain numbered version +of the GNU Lesser General Public License "or any later version" +applies to it, you have the option of following the terms and +conditions either of that published version or of any later version +published by the Free Software Foundation. If the Library as you +received it does not specify a version number of the GNU Lesser +General Public License, you may choose any version of the GNU Lesser +General Public License ever published by the Free Software Foundation. + + If the Library as you received it specifies that a proxy can decide +whether future versions of the GNU Lesser General Public License shall +apply, that proxy's public statement of acceptance of any version is +permanent authorization for you to choose that version for the +Library. diff --git a/plugins/auth_radius/php-radius/radius.php b/plugins/auth_radius/php-radius/radius.php new file mode 100644 index 00000000..b56f061a --- /dev/null +++ b/plugins/auth_radius/php-radius/radius.php @@ -0,0 +1,840 @@ +. + * + * + * @author: SysCo/al + * @since CreationDate: 2008-01-04 + * @copyright (c) 2008 by SysCo systemes de communication sa + * @version $LastChangedRevision: 1.2.2 $ + * @version $LastChangedDate: 2009-01-05 $ + * @version $LastChangedBy: SysCo/al $ + * @link $HeadURL: radius.class.php $ + * @link http://developer.sysco.ch/php/ + * @link developer@sysco.ch + * Language: PHP 4.0.7 or higher + * + * + * Usage + * + * require_once('radius.class.php'); + * $radius = new Radius($ip_radius_server = 'radius_server_ip_address', $shared_secret = 'radius_shared_secret'[, $radius_suffix = 'optional_radius_suffix'[, $udp_timeout = udp_timeout_in_seconds[, $authentication_port = 1812]]]); + * $result = $radius->Access_Request($username = 'username', $password = 'password'[, $udp_timeout = udp_timeout_in_seconds]); + * + * + * Examples + * + * Example 1 + * SetNasIpAddress('1.2.3.4'); // Needed for some devices, and not auto_detected if PHP not runned through a web server + * if ($radius->AccessRequest('user', 'pass')) + * { + * echo "Authentication accepted."; + * } + * else + * { + * echo "Authentication rejected."; + * } + * ?> + * + * Example 2 + * SetNasPort(0); + * $radius->SetNasIpAddress('1.2.3.4'); // Needed for some devices, and not auto_detected if PHP not runned through a web server + * if ($radius->AccessRequest('user', 'pass')) + * { + * echo "Authentication accepted."; + * echo "
"; + * } + * else + * { + * echo "Authentication rejected."; + * echo "
"; + * } + * echo $radius->GetReadableReceivedAttributes(); + * ?> + * + * + * External file needed + * + * none. + * + * + * External file created + * + * none. + * + * + * Special issues + * + * - Sockets support must be enabled. + * * In Linux and *nix environments, the extension is enabled at + * compile time using the --enable-sockets configure option + * * In Windows, PHP Sockets can be activated by un-commenting + * extension=php_sockets.dll in php.ini + * + * + * Other related ressources + * + * FreeRADIUS, a free Radius server implementation for Linux and *nix environments: + * http://www.freeradius.org/ + * + * WinRadius, Windows Radius server (free for 5 users): + * http://www.itconsult2000.com/en/product/WinRadius.zip + * + * Radl, a free Radius server for Windows: + * http://www.loriotpro.com/Products/RadiusServer/FreeRadiusServer_EN.php + * + * DOS command line Radius client: + * http://www.itconsult2000.com/en/product/WinRadiusClient.zip + * + * + * Users feedbacks and comments + * + * 2008-07-02 Pim Koeman/Parantion + * + * When using a radius connection behind a linux iptables firewall + * allow port 1812 and 1813 with udp protocol + * + * IPTABLES EXAMPLE (command line): + * iptables -A AlwaysACCEPT -p udp --dport 1812 -j ACCEPT + * iptables -A AlwaysACCEPT -p udp --dport 1813 -j ACCEPT + * + * or put the lines in /etc/sysconfig/iptables (red-hat type systems (fedora, centos, rhel etc.) + * -A AlwaysACCEPT -p udp --dport 1812 -j ACCEPT + * -A AlwaysACCEPT -p udp --dport 1813 -j ACCEPT + * + * + * Change Log + * + * 2009-01-05 1.2.2 SysCo/al Added Robert Svensson feedback, Mideye RADIUS server is supported + * 2008-11-11 1.2.1 SysCo/al Added Carlo Ferrari resolution in examples (add NAS IP Address for a VASCO Middleware server) + * 2008-07-07 1.2 SysCo/al Added Pim Koeman (Parantion) contribution + * - comments concerning using radius behind a linux iptables firewall + * Added Jon Bright (tick Trading Software AG) contribution + * - false octal encoding with 0xx indexes (indexes are now rewritten in xx only) + * - challenge/response support for the RSA SecurID New-PIN mode + * Added GetRadiusPacketInfo() method + * Added GetAttributesInfo() method + * Added DecodeVendorSpecificContent() (to answer Raul Carvalho's question) + * Added Decoded Vendor Specific Content in debug messages + * 2008-02-04 1.1 SysCo/al Typo error for the udp_timeout parameter (line 256 in the version 1.0) + * 2008-01-07 1.0 SysCo/al Initial release + * + *********************************************************************/ + + +/********************************************************************* + * + * Radius + * Pure PHP radius class + * + * Creation 2008-01-04 + * Update 2009-01-05 + * @package radius + * @version v.1.2.2 + * @author SysCo/al + * + *********************************************************************/ +class Radius +{ + var $_ip_radius_server; // Radius server IP address + var $_shared_secret; // Shared secret with the radius server + var $_radius_suffix; // Radius suffix (default is ''); + var $_udp_timeout; // Timeout of the UDP connection in seconds (default value is 5) + var $_authentication_port; // Authentication port (default value is 1812) + var $_accounting_port; // Accouting port (default value is 1813) + var $_nas_ip_address; // NAS IP address + var $_nas_port; // NAS port + var $_encrypted_password; // Encrypted password, as described in the RFC 2865 + var $_user_ip_address; // Remote IP address of the user + var $_request_authenticator; // Request-Authenticator, 16 octets random number + var $_response_authenticator; // Request-Authenticator, 16 octets random number + var $_username; // Username to sent to the Radius server + var $_password; // Password to sent to the Radius server (clear password, must be encrypted) + var $_identifier_to_send; // Identifier field for the packet to be sent + var $_identifier_received; // Identifier field for the received packet + var $_radius_packet_to_send; // Radius packet code (1=Access-Request, 2=Access-Accept, 3=Access-Reject, 4=Accounting-Request, 5=Accounting-Response, 11=Access-Challenge, 12=Status-Server (experimental), 13=Status-Client (experimental), 255=Reserved + var $_radius_packet_received; // Radius packet code (1=Access-Request, 2=Access-Accept, 3=Access-Reject, 4=Accounting-Request, 5=Accounting-Response, 11=Access-Challenge, 12=Status-Server (experimental), 13=Status-Client (experimental), 255=Reserved + var $_attributes_to_send; // Radius attributes to send + var $_attributes_received; // Radius attributes received + var $_socket_to_server; // Socket connection + var $_debug_mode; // Debug mode flag + var $_attributes_info; // Attributes info array + var $_radius_packet_info; // Radius packet codes info array + var $_last_error_code; // Last error code + var $_last_error_message; // Last error message + + + /********************************************************************* + * + * Name: Radius + * short description: Radius class constructor + * + * Creation 2008-01-04 + * Update 2009-01-05 + * @version v.1.2.2 + * @author SysCo/al + * @param string ip address of the radius server + * @param string shared secret with the radius server + * @param string radius domain name suffix (default is empty) + * @param integer UDP timeout (default is 5) + * @param integer authentication port + * @param integer accounting port + * @return NULL + *********************************************************************/ + public function Radius($ip_radius_server = '127.0.0.1', $shared_secret = '', $radius_suffix = '', $udp_timeout = 5, $authentication_port = 1812, $accounting_port = 1813) + { + $this->_radius_packet_info[1] = 'Access-Request'; + $this->_radius_packet_info[2] = 'Access-Accept'; + $this->_radius_packet_info[3] = 'Access-Reject'; + $this->_radius_packet_info[4] = 'Accounting-Request'; + $this->_radius_packet_info[5] = 'Accounting-Response'; + $this->_radius_packet_info[11] = 'Access-Challenge'; + $this->_radius_packet_info[12] = 'Status-Server (experimental)'; + $this->_radius_packet_info[13] = 'Status-Client (experimental)'; + $this->_radius_packet_info[255] = 'Reserved'; + + $this->_attributes_info[1] = array('User-Name', 'S'); + $this->_attributes_info[2] = array('User-Password', 'S'); + $this->_attributes_info[3] = array('CHAP-Password', 'S'); // Type (1) / Length (1) / CHAP Ident (1) / String + $this->_attributes_info[4] = array('NAS-IP-Address', 'A'); + $this->_attributes_info[5] = array('NAS-Port', 'I'); + $this->_attributes_info[6] = array('Service-Type', 'I'); + $this->_attributes_info[7] = array('Framed-Protocol', 'I'); + $this->_attributes_info[8] = array('Framed-IP-Address', 'A'); + $this->_attributes_info[9] = array('Framed-IP-Netmask', 'A'); + $this->_attributes_info[10] = array('Framed-Routing', 'I'); + $this->_attributes_info[11] = array('Filter-Id', 'T'); + $this->_attributes_info[12] = array('Framed-MTU', 'I'); + $this->_attributes_info[13] = array('Framed-Compression', 'I'); + $this->_attributes_info[14] = array( 'Login-IP-Host', 'A'); + $this->_attributes_info[15] = array('Login-service', 'I'); + $this->_attributes_info[16] = array('Login-TCP-Port', 'I'); + $this->_attributes_info[17] = array('(unassigned)', ''); + $this->_attributes_info[18] = array('Reply-Message', 'T'); + $this->_attributes_info[19] = array('Callback-Number', 'S'); + $this->_attributes_info[20] = array('Callback-Id', 'S'); + $this->_attributes_info[21] = array('(unassigned)', ''); + $this->_attributes_info[22] = array('Framed-Route', 'T'); + $this->_attributes_info[23] = array('Framed-IPX-Network', 'I'); + $this->_attributes_info[24] = array('State', 'S'); + $this->_attributes_info[25] = array('Class', 'S'); + $this->_attributes_info[26] = array('Vendor-Specific', 'S'); // Type (1) / Length (1) / Vendor-Id (4) / Vendor type (1) / Vendor length (1) / Attribute-Specific... + $this->_attributes_info[27] = array('Session-Timeout', 'I'); + $this->_attributes_info[28] = array('Idle-Timeout', 'I'); + $this->_attributes_info[29] = array('Termination-Action', 'I'); + $this->_attributes_info[30] = array('Called-Station-Id', 'S'); + $this->_attributes_info[31] = array('Calling-Station-Id', 'S'); + $this->_attributes_info[32] = array('NAS-Identifier', 'S'); + $this->_attributes_info[33] = array('Proxy-State', 'S'); + $this->_attributes_info[34] = array('Login-LAT-Service', 'S'); + $this->_attributes_info[35] = array('Login-LAT-Node', 'S'); + $this->_attributes_info[36] = array('Login-LAT-Group', 'S'); + $this->_attributes_info[37] = array('Framed-AppleTalk-Link', 'I'); + $this->_attributes_info[38] = array('Framed-AppleTalk-Network', 'I'); + $this->_attributes_info[39] = array('Framed-AppleTalk-Zone', 'S'); + $this->_attributes_info[60] = array('CHAP-Challenge', 'S'); + $this->_attributes_info[61] = array('NAS-Port-Type', 'I'); + $this->_attributes_info[62] = array('Port-Limit', 'I'); + $this->_attributes_info[63] = array('Login-LAT-Port', 'S'); + $this->_attributes_info[76] = array('Prompt', 'I'); + + $this->_identifier_to_send = 0; + $this->_user_ip_address = (isset($_SERVER['REMOTE_ADDR'])?$_SERVER['REMOTE_ADDR']:'0.0.0.0'); + + $this->GenerateRequestAuthenticator(); + $this->SetIpRadiusServer($ip_radius_server); + $this->SetSharedSecret($shared_secret); + $this->SetAuthenticationPort($authentication_port); + $this->SetAccountingPort($accounting_port); + $this->SetRadiusSuffix($radius_suffix); + $this->SetUdpTimeout($udp_timeout); + $this->SetUsername(); + $this->SetPassword(); + $this->SetNasIpAddress(); + $this->SetNasPort(); + + $this->ClearLastError(); + $this->ClearDataToSend(); + $this->ClearDataReceived(); + } + + + function GetNextIdentifier() + { + $this->_identifier_to_send = (($this->_identifier_to_send + 1) % 256); + return $this->_identifier_to_send; + } + + + function GenerateRequestAuthenticator() + { + $this->_request_authenticator = ''; + for ($ra_loop = 0; $ra_loop <= 15; $ra_loop++) + { + $this->_request_authenticator .= chr(rand(1, 255)); + } + } + + + function GetRequestAuthenticator() + { + return $this->_request_authenticator; + } + + + function GetLastError() + { + if (0 < $this->_last_error_code) + { + return $this->_last_error_message.' ('.$this->_last_error_code.')'; + } + else + { + return ''; + } + } + + + function ClearDataToSend() + { + $this->_radius_packet_to_send = 0; + $this->_attributes_to_send = NULL; + } + + + function ClearDataReceived() + { + $this->_radius_packet_received = 0; + $this->_attributes_received = NULL; + } + + + function SetPacketCodeToSend($packet_code) + { + $this->_radius_packet_to_send = $packet_code; + } + + + function SetDebugMode($debug_mode) + { + $this->_debug_mode = (TRUE === $debug_mode); + } + + + function SetIpRadiusServer($ip_radius_server) + { + $this->_ip_radius_server = gethostbyname($ip_radius_server); + } + + + function SetSharedSecret($shared_secret) + { + $this->_shared_secret = $shared_secret; + } + + + function SetRadiusSuffix($radius_suffix) + { + $this->_radius_suffix = $radius_suffix; + } + + + function SetUsername($username = '') + { + $temp_username = $username; + if (false === strpos($temp_username, '@')) + { + $temp_username .= $this->_radius_suffix; + } + + $this->_username = $temp_username; + $this->SetAttribute(1, $this->_username); + } + + + function SetPassword($password = '') + { + $this->_password = $password; + $encrypted_password = ''; + $padded_password = $password; + + if (0 != (strlen($password)%16)) + { + $padded_password .= str_repeat(chr(0),(16-strlen($password)%16)); + } + + $previous_result = $this->_request_authenticator; + + for ($full_loop = 0; $full_loop < (strlen($padded_password)/16); $full_loop++) + { + $xor_value = md5($this->_shared_secret.$previous_result); + + $previous_result = ''; + for ($xor_loop = 0; $xor_loop <= 15; $xor_loop++) + { + $value1 = ord(substr($padded_password, ($full_loop * 16) + $xor_loop, 1)); + $value2 = hexdec(substr($xor_value, 2*$xor_loop, 2)); + $xor_result = $value1 ^ $value2; + $previous_result .= chr($xor_result); + } + $encrypted_password .= $previous_result; + } + + $this->_encrypted_password = $encrypted_password; + $this->SetAttribute(2, $this->_encrypted_password); + } + + + function SetNasIPAddress($nas_ip_address = '') + { + if (0 < strlen($nas_ip_address)) + { + $this->_nas_ip_address = gethostbyname($nas_ip_address); + } + else + { + $this->_nas_ip_address = gethostbyname(isset($_SERVER['SERVER_ADDR'])?$_SERVER['SERVER_ADDR']:'0.0.0.0'); + } + $this->SetAttribute(4, $this->_nas_ip_address); + } + + + function SetNasPort($nas_port = 0) + { + $this->_nas_port = intval($nas_port); + $this->SetAttribute(5, $this->_nas_port); + } + + + function SetUdpTimeout($udp_timeout = 5) + { + if (intval($udp_timeout) > 0) + { + $this->_udp_timeout = intval($udp_timeout); + } + } + + + function ClearLastError() + { + $this->_last_error_code = 0; + $this->_last_error_message = ''; + } + + + function SetAuthenticationPort($authentication_port) + { + if ((intval($authentication_port) > 0) && (intval($authentication_port) < 65536)) + { + $this->_authentication_port = intval($authentication_port); + } + } + + + function SetAccountingPort($accounting_port) + { + if ((intval($accounting_port) > 0) && (intval($accounting_port) < 65536)) + { + $this->_accounting_port = intval($accounting_port); + } + } + + + function GetReceivedPacket() + { + return $this->_radius_packet_received; + } + + + function GetReceivedAttributes() + { + return $this->_attributes_received; + } + + + function GetReadableReceivedAttributes() + { + $readable_attributes = ''; + if (isset($this->_attributes_received)) + { + foreach($this->_attributes_received as $one_received_attribute) + { + $attributes_info = $this->GetAttributesInfo($one_received_attribute[0]); + $readable_attributes .= $attributes_info[0].": "; + if (26 == $one_received_attribute[0]) + { + $vendor_array = $this->DecodeVendorSpecificContent($one_received_attribute[1]); + foreach($vendor_array as $vendor_one) + { + $readable_attributes .= 'Vendor-Id: '.$vendor_one[0].", Vendor-type: ".$vendor_one[1].", Attribute-specific: ".$vendor_one[2]; + } + } + else + { + $readable_attributes .= $one_received_attribute[1]; + } + $readable_attributes .= "
\n"; + } + } + return $readable_attributes; + } + + + function GetAttribute($attribute_type) + { + $attribute_value = NULL; + foreach($this->_attributes_received as $one_received_attribute) + { + if (intval($attribute_type) == $one_received_attribute[0]) + { + $attribute_value = $one_received_attribute[1]; + break; + } + } + return $attribute_value; + } + + + function GetRadiusPacketInfo($info_index) + { + if (isset($this->_radius_packet_info[intval($info_index)])) + { + return $this->_radius_packet_info[intval($info_index)]; + } + else + { + return ''; + } + } + + + function GetAttributesInfo($info_index) + { + if (isset($this->_attributes_info[intval($info_index)])) + { + return $this->_attributes_info[intval($info_index)]; + } + else + { + return array('',''); + } + } + + + function DebugInfo($debug_info) + { + if ($this->_debug_mode) + { + echo date('Y-m-d H:i:s').' DEBUG: '; + echo $debug_info; + echo '
'; + flush(); + } + } + + + function SetAttribute($type, $value) + { + $attribute_index = -1; + for ($attributes_loop = 0; $attributes_loop < count($this->_attributes_to_send); $attributes_loop++) + { + if ($type == ord(substr($this->_attributes_to_send[$attributes_loop], 0, 1))) + { + $attribute_index = $attributes_loop; + break; + } + } + + $temp_attribute = NULL; + + if (isset($this->_attributes_info[$type])) + { + switch ($this->_attributes_info[$type][1]) + { + case 'T': // Text, 1-253 octets containing UTF-8 encoded ISO 10646 characters (RFC 2279). + $temp_attribute = chr($type).chr(2+strlen($value)).$value; + break; + case 'S': // String, 1-253 octets containing binary data (values 0 through 255 decimal, inclusive). + $temp_attribute = chr($type).chr(2+strlen($value)).$value; + break; + case 'A': // Address, 32 bit value, most significant octet first. + $ip_array = explode(".", $value); + $temp_attribute = chr($type).chr(6).chr($ip_array[0]).chr($ip_array[1]).chr($ip_array[2]).chr($ip_array[3]); + break; + case 'I': // Integer, 32 bit unsigned value, most significant octet first. + $temp_attribute = chr($type).chr(6).chr(($value/(256*256*256))%256).chr(($value/(256*256))%256).chr(($value/(256))%256).chr($value%256); + break; + case 'D': // Time, 32 bit unsigned value, most significant octet first -- seconds since 00:00:00 UTC, January 1, 1970. (not used in this RFC) + $temp_attribute = NULL; + break; + default: + $temp_attribute = NULL; + } + } + + if ($attribute_index > -1) + { + $this->_attributes_to_send[$attribute_index] = $temp_attribute; + $additional_debug = 'Modified'; + } + else + { + $this->_attributes_to_send[] = $temp_attribute; + $additional_debug = 'Added'; + } + $attribute_info = $this->GetAttributesInfo($type); + $this->DebugInfo($additional_debug.' Attribute '.$type.' ('.$attribute_info[0].'), format '.$attribute_info[1].', value '.$value.''); + } + + + function DecodeAttribute($attribute_raw_value, $attribute_format) + { + $attribute_value = NULL; + + if (isset($this->_attributes_info[$attribute_format])) + { + switch ($this->_attributes_info[$attribute_format][1]) + { + case 'T': // Text, 1-253 octets containing UTF-8 encoded ISO 10646 characters (RFC 2279). + $attribute_value = $attribute_raw_value; + break; + case 'S': // String, 1-253 octets containing binary data (values 0 through 255 decimal, inclusive). + $attribute_value = $attribute_raw_value; + break; + case 'A': // Address, 32 bit value, most significant octet first. + $attribute_value = ord(substr($attribute_raw_value, 0, 1)).'.'.ord(substr($attribute_raw_value, 1, 1)).'.'.ord(substr($attribute_raw_value, 2, 1)).'.'.ord(substr($attribute_raw_value, 3, 1)); + break; + case 'I': // Integer, 32 bit unsigned value, most significant octet first. + $attribute_value = (ord(substr($attribute_raw_value, 0, 1))*256*256*256)+(ord(substr($attribute_raw_value, 1, 1))*256*256)+(ord(substr($attribute_raw_value, 2, 1))*256)+ord(substr($attribute_raw_value, 3, 1)); + break; + case 'D': // Time, 32 bit unsigned value, most significant octet first -- seconds since 00:00:00 UTC, January 1, 1970. (not used in this RFC) + $attribute_value = NULL; + break; + default: + $attribute_value = NULL; + } + } + return $attribute_value; + } + + + /********************************************************************* + * Array returned: array(array(Vendor-Id1, Vendor type1, Attribute-Specific1), ..., array(Vendor-IdN, Vendor typeN, Attribute-SpecificN) + *********************************************************************/ + function DecodeVendorSpecificContent($vendor_specific_raw_value) + { + $result = array(); + $offset_in_raw = 0; + $vendor_id = (ord(substr($vendor_specific_raw_value, 0, 1))*256*256*256)+(ord(substr($vendor_specific_raw_value, 1, 1))*256*256)+(ord(substr($vendor_specific_raw_value, 2, 1))*256)+ord(substr($vendor_specific_raw_value, 3, 1)); + $offset_in_raw += 4; + while ($offset_in_raw < strlen($vendor_specific_raw_value)) + { + $vendor_type = (ord(substr($vendor_specific_raw_value, 0+$offset_in_raw, 1))); + $vendor_length = (ord(substr($vendor_specific_raw_value, 1+$offset_in_raw, 1))); + $attribute_specific = substr($vendor_specific_raw_value, 2+$offset_in_raw, $vendor_length); + $result[] = array($vendor_id, $vendor_type, $attribute_specific); + $offset_in_raw += ($vendor_length); + } + + return $result; + } + + + /* + * Function : AccessRequest + * + * Return TRUE if Access-Request is accepted, FALSE otherwise + */ + function AccessRequest($username = '', $password = '', $udp_timeout = 0, $state = NULL) + { + $this->ClearDataReceived(); + $this->ClearLastError(); + + $this->SetPacketCodeToSend(1); // Access-Request + + if (0 < strlen($username)) + { + $this->SetUsername($username); + } + + if (0 < strlen($password)) + { + $this->SetPassword($password); + } + + if ($state!==NULL) + { + $this->SetAttribute(24, $state); + } + else + { + $this->SetAttribute(6, 1); // 1=Login + } + + if (intval($udp_timeout) > 0) + { + $this->SetUdpTimeout($udp_timeout); + } + + $attributes_content = ''; + for ($attributes_loop = 0; $attributes_loop < count($this->_attributes_to_send); $attributes_loop++) + { + $attributes_content .= $this->_attributes_to_send[$attributes_loop]; + } + + $packet_length = 4; // Radius packet code + Identifier + Length high + Length low + $packet_length += strlen($this->_request_authenticator); // Request-Authenticator + $packet_length += strlen($attributes_content); // Attributes + + $packet_data = chr($this->_radius_packet_to_send); + $packet_data .= chr($this->GetNextIdentifier()); + $packet_data .= chr(intval($packet_length/256)); + $packet_data .= chr(intval($packet_length%256)); + $packet_data .= $this->_request_authenticator; + $packet_data .= $attributes_content; + + $_socket_to_server = socket_create(AF_INET, SOCK_DGRAM, 17); // UDP packet = 17 + + if ($_socket_to_server === FALSE) + { + $this->_last_error_code = socket_last_error(); + $this->_last_error_message = socket_strerror($this->_last_error_code); + } + elseif (FALSE === socket_connect($_socket_to_server, $this->_ip_radius_server, $this->_authentication_port)) + { + $this->_last_error_code = socket_last_error(); + $this->_last_error_message = socket_strerror($this->_last_error_code); + } + elseif (FALSE === socket_write($_socket_to_server, $packet_data, $packet_length)) + { + $this->_last_error_code = socket_last_error(); + $this->_last_error_message = socket_strerror($this->_last_error_code); + } + else + { + $this->DebugInfo('Packet type '.$this->_radius_packet_to_send.' ('.$this->GetRadiusPacketInfo($this->_radius_packet_to_send).')'.' sent'); + if ($this->_debug_mode) + { + $readable_attributes = ''; + foreach($this->_attributes_to_send as $one_attribute_to_send) + { + $attribute_info = $this->GetAttributesInfo(ord(substr($one_attribute_to_send,0,1))); + $this->DebugInfo('Attribute '.ord(substr($one_attribute_to_send,0,1)).' ('.$attribute_info[0].'), length '.(ord(substr($one_attribute_to_send,1,1))-2).', format '.$attribute_info[1].', value '.$this->DecodeAttribute(substr($one_attribute_to_send,2), ord(substr($one_attribute_to_send,0,1))).''); + } + } + $read_socket_array = array($_socket_to_server); + $write_socket_array = NULL; + $except_socket_array = NULL; + + $received_packet = chr(0); + + if (!(FALSE === socket_select($read_socket_array, $write_socket_array, $except_socket_array, $this->_udp_timeout))) + { + if (in_array($_socket_to_server, $read_socket_array)) + { + if (FALSE === ($received_packet = @socket_read($_socket_to_server, 1024))) // @ used, than no error is displayed if the connection is closed by the remote host + { + $received_packet = chr(0); + $this->_last_error_code = socket_last_error(); + $this->_last_error_message = socket_strerror($this->_last_error_code); + } + else + { + socket_close($_socket_to_server); + } + } + } + else + { + socket_close($_socket_to_server); + } + } + + $this->_radius_packet_received = intval(ord(substr($received_packet, 0, 1))); + + $this->DebugInfo('Packet type '.$this->_radius_packet_received.' ('.$this->GetRadiusPacketInfo($this->_radius_packet_received).')'.' received'); + + if ($this->_radius_packet_received > 0) + { + $this->_identifier_received = intval(ord(substr($received_packet, 1, 1))); + $packet_length = (intval(ord(substr($received_packet, 2, 1))) * 256) + (intval(ord(substr($received_packet, 3, 1)))); + $this->_response_authenticator = substr($received_packet, 4, 16); + $attributes_content = substr($received_packet, 20, ($packet_length - 4 - 16)); + while (strlen($attributes_content) > 2) + { + $attribute_type = intval(ord(substr($attributes_content,0,1))); + $attribute_length = intval(ord(substr($attributes_content,1,1))); + $attribute_raw_value = substr($attributes_content,2,$attribute_length-2); + $attributes_content = substr($attributes_content, $attribute_length); + + $attribute_value = $this->DecodeAttribute($attribute_raw_value, $attribute_type); + + $attribute_info = $this->GetAttributesInfo($attribute_type); + if (26 == $attribute_type) + { + $vendor_array = $this->DecodeVendorSpecificContent($attribute_value); + foreach($vendor_array as $vendor_one) + { + $this->DebugInfo('Attribute '.$attribute_type.' ('.$attribute_info[0].'), length '.($attribute_length-2).', format '.$attribute_info[1].', Vendor-Id: '.$vendor_one[0].", Vendor-type: ".$vendor_one[1].", Attribute-specific: ".$vendor_one[2]); + } + } + else + { + $this->DebugInfo('Attribute '.$attribute_type.' ('.$attribute_info[0].'), length '.($attribute_length-2).', format '.$attribute_info[1].', value '.$attribute_value.''); + } + + $this->_attributes_received[] = array($attribute_type, $attribute_value); + } + } + + return (2 == ($this->_radius_packet_received)); + } +} + +?>