PHP Conference Nagoya 2025

    Radius 函数

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    3
    SysCo/al - developer [at] sysco[dot] ch
    16 years ago
    Pure PHP radius class (do not need the radius package !)

    We have implemented a pure PHP radius class following the RFC 2865 rules. Using this class, it is also possible to do WWW realm authentication.

    Class abstract, full class implementation (LGPL) with helper files and examples can be found at http://developer.sysco.ch/php/

    <?php

    // (...)

    class Radius
    {
    // (...)

    public function Radius($ip_radius_server = '127.0.0.1', $shared_secret = '', $radius_suffix = '', $udp_timeout = 5, $authentication_port = 1812, $accounting_port = 1813)
    {
    // (...)
    }

    // (...)

    function AccessRequest($username = '', $password = '', $udp_timeout = 0)
    {

    // (...)

    $_socket_to_server = socket_create(AF_INET, SOCK_DGRAM, 17); // UDP packet = 17

    if ($_socket_to_server === FALSE)
    {
    // (...)
    }
    elseif (    FALSE === socket_connect($_socket_to_server, $this->_ip_radius_server, $this->_authentication_port))
    {
    // (...)
    }
    elseif (    FALSE === socket_write($_socket_to_server, $packet_data, $packet_length))
    {
    // (...)
    }
    else
    {
    // (...)
    $read_socket_array = array($_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($_socket_to_server, 1024))) // @ used, than no error is displayed if the connection is closed by the remote host
    {
    // (...)
    }
    else
    {
    socket_close($_socket_to_server);
    }
    }
    }
    else
    {
    socket_close($_socket_to_server);
    }
    }

    // (...)

    return (2 == ($this->_radius_packet_received));
    }
    }

    ?>

    Example
    <?php
    require_once('radius.class.php');
    $radius = new Radius('127.0.0.1', 'secret');
    if (    $radius->AccessRequest('user', 'pass'))
    {
    echo     "Authentication accepted.";
    }
    else
    {
    echo     "Authentication rejected.";
    }
    ?>
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    1
    andac dot aydin at code64 dot de
    18 years ago
    If you are constantly getting the errormessage:

    Fatal error: Unknown function: radius_auth_open() in...

    And your Server is a Windows-System (for example standard-xampp installation), you propably did not remove the comment symbol ";" in front of "extension=php_radius.dll" in php.ini.

    If you did that, but get the error anyway:

    Additionally be sure you edited the right php.ini, since xampp installs several php.exe's but only "xampp/apache/bin/php.ini" is the correct one!

    It did cost me 2 days to find that out!
    up
    0
    shaun at verticalevolution dot com
    18 years ago
    To expand on the simple example by jengo at phpgroupware dot org you can add a NAS IP address to the request by using:

    radius_put_addr($radius, RADIUS_NAS_IP_ADDRESS, '127.0.0.1');

    and not radius_put_attr or radius_put_string. I also had to use radius_put_string for the user name and password.
    up
    -2
    jengo at phpgroupware dot org
    19 years ago
    Here is a simple example on how to auth against radius. Note: This doesn't handle challenge responses.

    <?php
    $radius     = radius_auth_open();
    if (!     radius_add_server($radius,'localhost',0,'radiussecret',5,3))
    {
    die(    'Radius Error: ' . radius_strerror($radius));
    }

    if (!     radius_create_request($radius,RADIUS_ACCESS_REQUEST))
    {
    die(    'Radius Error: ' . radius_strerror($radius));
    }

    radius_put_attr($radius,RADIUS_USER_NAME,'username');
    radius_put_attr($radius,RADIUS_USER_PASSWORD,'password');

    switch (    radius_send_request($radius))
    {
    case     RADIUS_ACCESS_ACCEPT:
    echo     'GOOD LOGIN';
    break;
    case     RADIUS_ACCESS_REJECT:
    echo     'BAD LOGIN';
    break;
    case     RADIUS_ACCESS_CHALLENGE:
    echo     'CHALLENGE REQUESTED';
    break;
    default:
    die(    'Radius Error: ' . radius_strerror($radius));
    }
    ?>
    up
    -2
    brett at silcon dot com
    18 years ago
    Here's a longer example that DOES do Challenge Response and works with SecurID Authentication Managers.

    http://www.webtrotter.com/securid_radius.txt

    (script wouldn't let me post it because of the long lines, plus it was too long of an example).
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