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CXXXII. Radius

Introduction

This package is based on the libradius of FreeBSD. This PECL adds full support for Radius Authentication (RFC 2865) and Radius Accounting (RFC 2866). This package is available for Unix (tested on FreeBSD and Linux) and for Windows.

Note: An exact description for libradius can be found here. A detailed description of the configuration file can be found here.

Installation

Howto install the package?

untar the package (usually into php4/ext)
rename radius-x.x to radius
run ./buildconf in php4
run ./configure --enable-radius
make; make install

or if you would like to have it as .so:

untar the package
run phpize in the radius-x.x directory
run ./configure in the radius-x.x directory
make; make install

For Windows I recommend to use the php_radius.dll from http://snaps.php.net/. You may obtain this unbundled PECL extension from the various PECL snaps pages (select the appropriate repository for your version of PHP): PECL for PHP 4.3.x, PECL for PHP 5.0.x or PECL Unstable.

Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

RADIUS_ACCESS_REQUEST ()

Authentication Request

RADIUS_ACCESS_ACCEPT ()

Access accepted

RADIUS_ACCESS_REJECT ()

Access rejected

RADIUS_ACCOUNTING_REQUEST ()

Accounting request

RADIUS_ACCOUNTING_RESPONSE ()

Accounting response

RADIUS_ACCESS_CHALLENGE ()

Accsess challenge

RADIUS_USER_NAME (string)

Username

RADIUS_USER_PASSWORD (string)

Password

RADIUS_CHAP_PASSWORD (string)

Chap Password: chappass = md5(ident + plaintextpass + challenge)

RADIUS_NAS_IP_ADDRESS (string)

NAS IP-Adress

RADIUS_NAS_PORT (int)

NAS Port

RADIUS_SERVICE_TYPE (int)

Type of Service, one of:

RADIUS_LOGIN

RADIUS_FRAMED

RADIUS_CALLBACK_LOGIN

RADIUS_CALLBACK_FRAMED

RADIUS_OUTBOUND

RADIUS_ADMINISTRATIVE

RADIUS_NAS_PROMPT

RADIUS_AUTHENTICATE_ONLY

RADIUS_CALLBACK_NAS_PROMPT

RADIUS_FRAMED_PROTOCOL (int)

Framed Protocol, one of:

RADIUS_PPP

RADIUS_SLIP

RADIUS_ARAP

RADIUS_GANDALF

RADIUS_XYLOGICS

RADIUS_FRAMED_IP_ADDRESS (string)

IP-Address

RADIUS_FRAMED_IP_NETMASK (string)

Netmask

RADIUS_FRAMED_ROUTING (int)

Routing

RADIUS_FILTER_ID (string)

Filter ID

RADIUS_FRAMED_MTU (int)

MTU

RADIUS_FRAMED_COMPRESSION (int)

Compression, one of:

RADIUS_COMP_NONE

RADIUS_COMP_VJ

RADIUS_COMP_IPXHDR

RADIUS_LOGIN_IP_HOST (string)

RADIUS_LOGIN_SERVICE (int)

RADIUS_LOGIN_TCP_PORT (int)

RADIUS_REPLY_MESSAGE (string)

Reply Message

RADIUS_CALLBACK_NUMBER (string)

Callback Number

RADIUS_CALLBACK_ID (string)

Callback ID

RADIUS_FRAMED_ROUTE (string)

Framed Route

RADIUS_FRAMED_IPX_NETWORK (string)

Framed IPX Network

RADIUS_STATE (string)

State

RADIUS_CLASS (int)

Class

RADIUS_VENDOR_SPECIFIC (int)

Vendor specific attribute

RADIUS_SESSION_TIMEOUT (int)

Session timeout

RADIUS_IDLE_TIMEOUT (int)

Idle timeout

RADIUS_TERMINATION_ACTION (int)

Termination action

RADIUS_CALLED_STATION_ID (int)

Called Station Id

RADIUS_CALLING_STATION_ID (string)

Calling Station Id

RADIUS_NAS_IDENTIFIER (int)

NAS ID

RADIUS_PROXY_STATE (int)

Proxy State

RADIUS_LOGIN_LAT_SERVICE (int)

RADIUS_LOGIN_LAT_NODE (int)

RADIUS_LOGIN_LAT_GROUP (int)

RADIUS_FRAMED_APPLETALK_LINK (int)

Framed Appletalk Link

RADIUS_FRAMED_APPLETALK_NETWORK (int)

Framed Appletalk Network

RADIUS_FRAMED_APPLETALK_ZONE (int)

Framed Appletalk Zone

RADIUS_CHAP_CHALLENGE (string)

Challenge

RADIUS_NAS_PORT_TYPE (int)

NAS port type, one of:

RADIUS_ASYNC

RADIUS_SYNC

RADIUS_ISDN_SYNC

RADIUS_ISDN_ASYNC_V120

RADIUS_ISDN_ASYNC_V110

RADIUS_VIRTUAL

RADIUS_PIAFS

RADIUS_HDLC_CLEAR_CHANNEL

RADIUS_X_25

RADIUS_X_75

RADIUS_G_3_FAX

RADIUS_SDSL

RADIUS_ADSL_CAP

RADIUS_ADSL_DMT

RADIUS_IDSL

RADIUS_ETHERNET

RADIUS_XDSL

RADIUS_CABLE

RADIUS_WIRELESS_OTHER

RADIUS_WIRELESS_IEEE_802_11

RADIUS_PORT_LIMIT (int)

Port Limit

RADIUS_LOGIN_LAT_PORT (int)

RADIUS_CONNECT_INFO (string)

Connect info

RADIUS_ACCT_STATUS_TYPE (int)

Accounting status type, one of:

RADIUS_START

RADIUS_STOP

RADIUS_ACCOUNTING_ON

RADIUS_ACCOUNTING_OFF

RADIUS_ACCT_DELAY_TIME (int)

Accounting delay time

RADIUS_ACCT_INPUT_OCTETS (int)

Accounting input bytes

RADIUS_ACCT_OUTPUT_OCTETS (int)

Accounting output bytes

RADIUS_ACCT_SESSION_ID (int)

Accounting session ID

RADIUS_ACCT_AUTHENTIC (int)

Accounting authentic, one of:

RADIUS_AUTH_RADIUS

RADIUS_AUTH_LOCAL

RADIUS_AUTH_REMOTE

RADIUS_ACCT_SESSION_TIME (int)

Accounting session time

RADIUS_ACCT_INPUT_PACKETS (int)

Accounting input packets

RADIUS_ACCT_OUTPUT_PACKETS (int)

Accounting output packets

RADIUS_ACCT_TERMINATE_CAUSE (int)

Accounting terminate cause, one of:

RADIUS_TERM_USER_REQUEST

RADIUS_TERM_LOST_CARRIER

RADIUS_TERM_LOST_SERVICE

RADIUS_TERM_IDLE_TIMEOUT

RADIUS_TERM_SESSION_TIMEOUT

RADIUS_TERM_ADMIN_RESET

RADIUS_TERM_ADMIN_REBOOT

RADIUS_TERM_PORT_ERROR

RADIUS_TERM_NAS_ERROR

RADIUS_TERM_NAS_REQUEST

RADIUS_TERM_NAS_REBOOT

RADIUS_TERM_PORT_UNNEEDED

RADIUS_TERM_PORT_PREEMPTED

RADIUS_TERM_PORT_SUSPENDED

RADIUS_TERM_SERVICE_UNAVAILABLE

RADIUS_TERM_CALLBACK

RADIUS_TERM_USER_ERROR

RADIUS_TERM_HOST_REQUEST

RADIUS_ACCT_MULTI_SESSION_ID (string)

Accounting multi session ID

RADIUS_ACCT_LINK_COUNT (int)

Accounting link count

RADIUS_VENDOR_MICROSOFT (int)

Microsoft specific vendor attributes (RFC 2548), one of:

RADIUS_MICROSOFT_MS_CHAP_RESPONSE

RADIUS_MICROSOFT_MS_CHAP_ERROR

RADIUS_MICROSOFT_MS_CHAP_PW_1

RADIUS_MICROSOFT_MS_CHAP_PW_2

RADIUS_MICROSOFT_MS_CHAP_LM_ENC_PW

RADIUS_MICROSOFT_MS_CHAP_NT_ENC_PW

RADIUS_MICROSOFT_MS_MPPE_ENCRYPTION_POLICY

RADIUS_MICROSOFT_MS_MPPE_ENCRYPTION_TYPES

RADIUS_MICROSOFT_MS_RAS_VENDOR

RADIUS_MICROSOFT_MS_CHAP_DOMAIN

RADIUS_MICROSOFT_MS_CHAP_CHALLENGE

RADIUS_MICROSOFT_MS_CHAP_MPPE_KEYS

RADIUS_MICROSOFT_MS_BAP_USAGE

RADIUS_MICROSOFT_MS_LINK_UTILIZATION_THRESHOLD

RADIUS_MICROSOFT_MS_LINK_DROP_TIME_LIMIT

RADIUS_MICROSOFT_MS_MPPE_SEND_KEY

RADIUS_MICROSOFT_MS_MPPE_RECV_KEY

RADIUS_MICROSOFT_MS_RAS_VERSION

RADIUS_MICROSOFT_MS_OLD_ARAP_PASSWORD

RADIUS_MICROSOFT_MS_NEW_ARAP_PASSWORD

RADIUS_MICROSOFT_MS_ARAP_PASSWORD_CHANGE_REASON

RADIUS_MICROSOFT_MS_FILTER

RADIUS_MICROSOFT_MS_ACCT_AUTH_TYPE

RADIUS_MICROSOFT_MS_ACCT_EAP_TYPE

RADIUS_MICROSOFT_MS_CHAP2_RESPONSE

RADIUS_MICROSOFT_MS_CHAP2_SUCCESS

RADIUS_MICROSOFT_MS_CHAP2_PW

RADIUS_MICROSOFT_MS_PRIMARY_DNS_SERVER

RADIUS_MICROSOFT_MS_SECONDARY_DNS_SERVER

RADIUS_MICROSOFT_MS_PRIMARY_NBNS_SERVER

RADIUS_MICROSOFT_MS_SECONDARY_NBNS_SERVER

RADIUS_MICROSOFT_MS_ARAP_CHALLENGE

Quickstart

Howto start?

get a radius resource
configure the library
create the request
put attributes
send the request
receive attributes
close the radius resource (optional)

Take also a look at the examples in this package.

The package contains an example php script. This script demonstrates howto authenticate with radius using PAP or CHAP (md5). If you authenticate with Microsoft Radius servers then its not possible to use CHAP (md5). If you would like to authenticate with Microsoft Servers you have to use MS-CHAPv1 or MS-CHAPv2, but its more complicated, because you need md4, sha1 and des to generate the right data. The enclosed examples demonstrate all authentication-methods, including MS-CHAPv1 and MS-CHAPv2. To get the MS-CHAP to work you need the mcrypt and the mhash extension, starting with version 1.2 of the package, the mcrypt extension is no longer needed.

Contact Information

If you have comments, bugfixes, enhancements or want to help to develop this you can send me a mail at mbretter@php.net. Binaries for Windows can be downloaded from here.

Table of Contents
radius_acct_open -- Creates a Radius handle for accounting
radius_add_server -- Adds a server
radius_auth_open -- Creates a Radius handle for authentication
radius_close -- Frees all ressources
radius_config -- Causes the library to read the given configuration file
radius_create_request -- Create accounting or authentication request
radius_cvt_addr -- Converts raw data to IP-Address
radius_cvt_int -- Converts raw data to integer
radius_cvt_string -- Converts raw data to string
radius_demangle_mppe_key -- Derives mppe-keys from mangled data
radius_demangle -- Demangles data
radius_get_attr -- Extracts an attribute
radius_get_vendor_attr -- Extracts a vendor specific attribute
radius_put_addr -- Attaches an IP-Address attribute
radius_put_attr -- Attaches a binary attribute
radius_put_int -- Attaches an integer attribute
radius_put_string -- Attaches a string attribute
radius_put_vendor_addr -- Attaches a vendor specific IP-Address attribute
radius_put_vendor_attr -- Attaches a vendor specific binary attribute
radius_put_vendor_int -- Attaches a vendor specific integer attribute
radius_put_vendor_string -- Attaches a vendor specific string attribute
radius_request_authenticator -- Returns the request authenticator
radius_send_request -- Sends the request and waites for a reply
radius_server_secret -- Returns the shared secret
radius_strerror -- Returns an error message

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