1 | <?php |
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2 | /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */ |
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3 | |
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4 | /** |
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5 | * Storage driver for Authentication on a Kerberos V server. |
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6 | * |
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7 | * PHP versions 4 and 5 |
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8 | * |
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9 | * LICENSE: This source file is subject to version 3.01 of the PHP license |
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10 | * that is available through the world-wide-web at the following URI: |
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11 | * http://www.php.net/license/3_01.txt. If you did not receive a copy of |
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12 | * the PHP License and are unable to obtain it through the web, please |
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13 | * send a note to license@php.net so we can mail you a copy immediately. |
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14 | * |
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15 | * @category Authentication |
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16 | * @package Auth |
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17 | * @author Andrew Teixeira <ateixeira@gmail.com> |
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18 | * @author Adam Ashley <aashley@php.net> |
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19 | * @copyright 2001-2006 The PHP Group |
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20 | * @license http://www.php.net/license/3_01.txt PHP License 3.01 |
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21 | * @version CVS: $Id: KADM5.php 8713 2006-12-01 05:08:34Z kakinaka $ |
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22 | * @link http://pear.php.net/package/Auth |
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23 | * @since File available since Release 1.4.0 |
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24 | */ |
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25 | |
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26 | /** |
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27 | * Include Auth_Container base class |
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28 | */ |
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29 | require_once 'Auth/Container.php'; |
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30 | /** |
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31 | * Include PEAR for error handling |
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32 | */ |
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33 | require_once 'PEAR.php'; |
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34 | |
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35 | /** |
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36 | * Storage driver for Authentication on a Kerberos V server. |
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37 | * |
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38 | * Available options: |
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39 | * hostname: The hostname of the kerberos server |
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40 | * realm: The Kerberos V realm |
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41 | * timeout: The timeout for checking the server |
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42 | * checkServer: Set to true to check if the server is running when |
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43 | * constructing the object |
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44 | * |
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45 | * @category Authentication |
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46 | * @package Auth |
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47 | * @author Andrew Teixeira <ateixeira@gmail.com> |
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48 | * @author Adam Ashley <aashley@php.net> |
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49 | * @copyright 2001-2006 The PHP Group |
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50 | * @license http://www.php.net/license/3_01.txt PHP License 3.01 |
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51 | * @version Release: 1.4.2 File: $Revision: 8713 $ |
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52 | * @link http://pear.php.net/package/Auth |
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53 | * @since Class available since Release 1.4.0 |
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54 | */ |
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55 | class Auth_Container_KADM5 extends Auth_Container { |
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56 | |
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57 | // {{{ properties |
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58 | |
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59 | /** |
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60 | * Options for the class |
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61 | * @var string |
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62 | */ |
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63 | var $options = array(); |
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64 | |
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65 | // }}} |
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66 | // {{{ Auth_Container_KADM5() |
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67 | |
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68 | /** |
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69 | * Constructor of the container class |
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70 | * |
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71 | * $options can have these keys: |
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72 | * 'hostname' The hostname of the kerberos server |
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73 | * 'realm' The Kerberos V realm |
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74 | * 'timeout' The timeout for checking the server |
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75 | * 'checkServer' Set to true to check if the server is running when |
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76 | * constructing the object |
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77 | * |
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78 | * @param $options associative array |
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79 | * @return object Returns an error object if something went wrong |
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80 | */ |
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81 | function Auth_Container_KADM5($options) { |
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82 | if (!extension_loaded('kadm5')) { |
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83 | return PEAR::raiseError("Cannot use Kerberos V authentication, KADM5 extension not loaded!", 41, PEAR_ERROR_DIE); |
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84 | } |
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85 | |
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86 | $this->_setDefaults(); |
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87 | |
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88 | if (isset($options['hostname'])) { |
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89 | $this->options['hostname'] = $options['hostname']; |
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90 | } |
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91 | if (isset($options['realm'])) { |
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92 | $this->options['realm'] = $options['realm']; |
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93 | } |
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94 | if (isset($options['timeout'])) { |
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95 | $this->options['timeout'] = $options['timeout']; |
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96 | } |
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97 | if (isset($options['checkServer'])) { |
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98 | $this->options['checkServer'] = $options['checkServer']; |
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99 | } |
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100 | |
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101 | if ($this->options['checkServer']) { |
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102 | $this->_checkServer(); |
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103 | } |
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104 | } |
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105 | |
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106 | // }}} |
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107 | // {{{ fetchData() |
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108 | |
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109 | /** |
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110 | * Try to login to the KADM5 server |
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111 | * |
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112 | * @param string Username |
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113 | * @param string Password |
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114 | * @return boolean |
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115 | */ |
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116 | function fetchData($username, $password) { |
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117 | if ( ($username == NULL) || ($password == NULL) ) { |
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118 | return false; |
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119 | } |
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120 | |
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121 | $server = $this->options['hostname']; |
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122 | $realm = $this->options['realm']; |
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123 | $check = @kadm5_init_with_password($server, $realm, $username, $password); |
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124 | |
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125 | if ($check == false) { |
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126 | return false; |
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127 | } else { |
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128 | return true; |
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129 | } |
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130 | } |
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131 | |
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132 | // }}} |
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133 | // {{{ _setDefaults() |
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134 | |
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135 | /** |
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136 | * Set some default options |
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137 | * |
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138 | * @access private |
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139 | */ |
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140 | function _setDefaults() { |
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141 | $this->options['hostname'] = 'localhost'; |
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142 | $this->options['realm'] = NULL; |
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143 | $this->options['timeout'] = 10; |
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144 | $this->options['checkServer'] = false; |
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145 | } |
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146 | |
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147 | // }}} |
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148 | // {{{ _checkServer() |
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149 | |
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150 | /** |
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151 | * Check if the given server and port are reachable |
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152 | * |
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153 | * @access private |
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154 | */ |
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155 | function _checkServer() { |
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156 | $fp = @fsockopen ($this->options['host'], 88, $errno, $errstr, $this->options['timeout']); |
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157 | if (is_resource($fp)) { |
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158 | @fclose($fp); |
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159 | } else { |
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160 | $message = "Error connecting to Kerberos V server " |
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161 | .$this->options['host'].":".$this->options['port']; |
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162 | return PEAR::raiseError($message, 41, PEAR_ERROR_DIE); |
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163 | } |
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164 | } |
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165 | |
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166 | // }}} |
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167 | |
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168 | } |
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169 | |
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170 | ?> |
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