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# CXXVI. 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)

  Login IP Host

`RADIUS_LOGIN_SERVICE` (int)

  Login Service

`RADIUS_LOGIN_TCP_PORT` (int)

  Login TCP Port

`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)

  Login LAT Service

`RADIUS_LOGIN_LAT_NODE` (int)

  Login LAT Node

`RADIUS_LOGIN_LAT_GROUP` (int)

  Login LAT Group

`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)

  Login LAT Port

`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.

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