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1 | <?php |
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2 | |||
3 | //------------------------------------------------------------------------------ |
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4 | // |
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5 | // eTraxis - Records tracking web-based system |
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6 | // Copyright (C) 2005-2009 Artem Rodygin |
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7 | // |
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8 | // This program is free software: you can redistribute it and/or modify |
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9 | // it under the terms of the GNU General Public License as published by |
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10 | // the Free Software Foundation, either version 3 of the License, or |
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11 | // (at your option) any later version. |
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12 | // |
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13 | // This program is distributed in the hope that it will be useful, |
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14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | // GNU General Public License for more details. |
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17 | // |
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18 | // You should have received a copy of the GNU General Public License |
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19 | // along with this program. If not, see <http://www.gnu.org/licenses/>. |
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20 | // |
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21 | //------------------------------------------------------------------------------ |
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22 | |||
23 | /** |
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24 | * LDAP |
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25 | * |
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26 | * This module implements several functions to work with LDAP servers. |
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27 | * |
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28 | * @package Engine |
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29 | * @subpackage LDAP |
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30 | */ |
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31 | |||
32 | /**#@+ |
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33 | * Dependency. |
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34 | */ |
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35 | require_once('../config.php'); |
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36 | require_once('../engine/debug.php'); |
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37 | require_once('../engine/utility.php'); |
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38 | /**#@-*/ |
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39 | |||
40 | //------------------------------------------------------------------------------ |
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41 | // Definitions. |
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42 | //------------------------------------------------------------------------------ |
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43 | |||
44 | /**#@+ |
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45 | * LDAP error code. |
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46 | */ |
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47 | define('LDAP_SUCCESS', 0x00); |
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48 | define('LDAP_OPERATIONS_ERROR', 0x01); |
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49 | define('LDAP_PROTOCOL_ERROR', 0x02); |
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50 | define('LDAP_TIMELIMIT_EXCEEDED', 0x03); |
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51 | define('LDAP_SIZELIMIT_EXCEEDED', 0x04); |
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52 | define('LDAP_COMPARE_FALSE', 0x05); |
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53 | define('LDAP_COMPARE_TRUE', 0x06); |
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54 | define('LDAP_AUTH_METHOD_NOT_SUPPORTED', 0x07); |
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55 | define('LDAP_STRONG_AUTH_REQUIRED', 0x08); |
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56 | define('LDAP_PARTIAL_RESULTS', 0x09); |
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57 | define('LDAP_REFERRAL', 0x0A); |
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58 | define('LDAP_ADMINLIMIT_EXCEEDED', 0x0B); |
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59 | define('LDAP_UNAVAILABLE_CRITICAL_EXTENSION', 0x0C); |
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60 | define('LDAP_CONFIDENTIALITY_REQUIRED', 0x0D); |
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61 | define('LDAP_SASL_BIND_INPROGRESS', 0x0E); |
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62 | define('LDAP_NO_SUCH_ATTRIBUTE', 0x10); |
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63 | define('LDAP_UNDEFINED_TYPE', 0x11); |
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64 | define('LDAP_INAPPROPRIATE_MATCHING', 0x12); |
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65 | define('LDAP_CONSTRAINT_VIOLATION', 0x13); |
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66 | define('LDAP_TYPE_OR_VALUE_EXISTS', 0x14); |
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67 | define('LDAP_INVALID_SYNTAX', 0x15); |
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68 | define('LDAP_NO_SUCH_OBJECT', 0x20); |
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69 | define('LDAP_ALIAS_PROBLEM', 0x21); |
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70 | define('LDAP_INVALID_DN_SYNTAX', 0x22); |
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71 | define('LDAP_IS_LEAF', 0x23); |
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72 | define('LDAP_ALIAS_DEREF_PROBLEM', 0x24); |
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73 | define('LDAP_INAPPROPRIATE_AUTH', 0x30); |
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74 | define('LDAP_INVALID_CREDENTIALS', 0x31); |
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75 | define('LDAP_INSUFFICIENT_ACCESS', 0x32); |
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76 | define('LDAP_BUSY', 0x33); |
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77 | define('LDAP_UNAVAILABLE', 0x34); |
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78 | define('LDAP_UNWILLING_TO_PERFORM', 0x35); |
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79 | define('LDAP_LOOP_DETECT', 0x36); |
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80 | define('LDAP_SORT_CONTROL_MISSING', 0x3C); |
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81 | define('LDAP_INDEX_RANGE_ERROR', 0x3D); |
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82 | define('LDAP_NAMING_VIOLATION', 0x40); |
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83 | define('LDAP_OBJECT_CLASS_VIOLATION', 0x41); |
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84 | define('LDAP_NOT_ALLOWED_ON_NONLEAF', 0x42); |
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85 | define('LDAP_NOT_ALLOWED_ON_RDN', 0x43); |
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86 | define('LDAP_ALREADY_EXISTS', 0x44); |
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87 | define('LDAP_NO_OBJECT_CLASS_MODS', 0x45); |
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88 | define('LDAP_RESULTS_TOO_LARGE', 0x46); |
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89 | define('LDAP_AFFECTS_MULTIPLE_DSAS', 0x47); |
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90 | define('LDAP_OTHER', 0x50); |
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91 | define('LDAP_SERVER_DOWN', 0x51); |
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92 | define('LDAP_LOCAL_ERROR', 0x52); |
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93 | define('LDAP_ENCODING_ERROR', 0x53); |
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94 | define('LDAP_DECODING_ERROR', 0x54); |
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95 | define('LDAP_TIMEOUT', 0x55); |
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96 | define('LDAP_AUTH_UNKNOWN', 0x56); |
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97 | define('LDAP_FILTER_ERROR', 0x57); |
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98 | define('LDAP_USER_CANCELLED', 0x58); |
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99 | define('LDAP_PARAM_ERROR', 0x59); |
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100 | define('LDAP_NO_MEMORY', 0x5A); |
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101 | define('LDAP_CONNECT_ERROR', 0x5B); |
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102 | define('LDAP_NOT_SUPPORTED', 0x5C); |
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103 | define('LDAP_CONTROL_NOT_FOUND', 0x5D); |
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104 | define('LDAP_NO_RESULTS_RETURNED', 0x5E); |
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105 | define('LDAP_MORE_RESULTS_TO_RETURN', 0x5F); |
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106 | define('LDAP_CLIENT_LOOP', 0x60); |
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107 | define('LDAP_REFERRAL_LIMIT_EXCEEDED', 0x61); |
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108 | /**#@-*/ |
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109 | |||
110 | //------------------------------------------------------------------------------ |
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111 | // Functions. |
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112 | //------------------------------------------------------------------------------ |
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113 | |||
114 | /** |
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115 | * Searches for specified username on LDAP server. |
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116 | * |
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117 | * The function searches for specified <i>username</i>. |
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118 | * If user is found, then his display name and email address are returned, otherwise NULL is returned. |
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119 | * If <i>password</i> is specified, then function also tries to authorize on LDAP server using specified <i>username</i> and <i>password</i>. |
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120 | * If authorization is failed, NULL is returned, even when user with specified <i>username</i> was successfully found. |
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121 | * |
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122 | * @param string $username Login of user to be found. |
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123 | * @param string $password Password of user. |
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124 | * @return array The array which contains two items: first item is display name of user, second one - his email. |
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125 | * If user was not found, or cannot be authorized with specified password, then NULL is returned. |
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126 | */ |
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127 | function ldap_finduser ($username, $password = NULL) |
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128 | { |
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129 | debug_write_log(DEBUG_TRACE, '[ldap_finduser]'); |
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130 | debug_write_log(DEBUG_DUMP, '[ldap_finduser] $username = ' . $username); |
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131 | |||
132 | $link = @ldap_connect(LDAP_HOST, LDAP_PORT); |
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133 | |||
134 | if (!$link) |
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135 | { |
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136 | debug_write_log(DEBUG_ERROR, '[ldap_finduser] ldap_connect() error.'); |
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137 | return NULL; |
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138 | } |
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139 | |||
140 | $retval = NULL; |
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141 | |||
142 | if (!@ldap_set_option($link, LDAP_OPT_PROTOCOL_VERSION, 3)) |
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143 | { |
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144 | debug_write_log(DEBUG_ERROR, '[ldap_finduser] ldap_set_option(LDAP_OPT_PROTOCOL_VERSION) error: ' . ldap_err2str(ldap_errno($link))); |
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145 | } |
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146 | View Code Duplication | elseif (!@ldap_set_option($link, LDAP_OPT_REFERRALS, 0)) |
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0 ignored issues
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show
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147 | { |
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148 | debug_write_log(DEBUG_ERROR, '[ldap_finduser] ldap_set_option(LDAP_OPT_REFERRALS) error: ' . ldap_err2str(ldap_errno($link))); |
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149 | } |
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150 | View Code Duplication | elseif (LDAP_USE_TLS && !@ldap_start_tls($link)) |
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0 ignored issues
–
show
This code seems to be duplicated across your project.
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository.
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151 | { |
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152 | debug_write_log(DEBUG_ERROR, '[ldap_finduser] ldap_start_tls() error: ' . ldap_err2str(ldap_errno($link))); |
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153 | } |
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154 | View Code Duplication | elseif (!@ldap_bind($link, LDAP_USERNAME, LDAP_PASSWORD)) |
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0 ignored issues
–
show
This code seems to be duplicated across your project.
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository.
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|
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155 | { |
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156 | debug_write_log(DEBUG_WARNING, '[ldap_finduser] ldap_bind(anonymous) error: ' . ldap_err2str(ldap_errno($link))); |
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157 | } |
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158 | else |
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159 | { |
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160 | $attrs = array('dn', LDAP_ATTR_FULLNAME, LDAP_ATTR_EMAIL); |
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161 | $basedn = mb_split(';', LDAP_BASEDN); |
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162 | |||
163 | for ($i = 0; $i < count($basedn) && is_null($retval); $i++) |
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164 | { |
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165 | debug_write_log(DEBUG_DUMP, '[ldap_finduser] $basedn = ' . $basedn[$i]); |
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166 | |||
167 | $result = @ldap_search($link, $basedn[$i], sprintf("(%s=%s)", LDAP_ATTR_LOGIN, $username), $attrs); |
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168 | |||
169 | if (!$result) |
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170 | { |
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171 | debug_write_log(DEBUG_WARNING, '[ldap_finduser] ldap_search() error: ' . ldap_err2str(ldap_errno($link))); |
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172 | } |
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173 | else |
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174 | { |
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175 | $entries = @ldap_get_entries($link, $result); |
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176 | |||
177 | if (!$entries || count($entries) <= 1) |
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178 | { |
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179 | debug_write_log(DEBUG_WARNING, '[ldap_finduser] ldap_get_entries() error: ' . ldap_err2str(ldap_errno($link))); |
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180 | } |
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181 | elseif (!is_null($password) && !@ldap_bind($link, $entries[0]['dn'], $password)) |
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182 | { |
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183 | debug_write_log(DEBUG_WARNING, '[ldap_finduser] ldap_bind(username) error: ' . ldap_err2str(ldap_errno($link))); |
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184 | } |
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185 | else |
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186 | { |
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187 | if (empty($entries[0][LDAP_ATTR_FULLNAME][0]) || |
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188 | empty($entries[0][LDAP_ATTR_EMAIL ][0])) |
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189 | { |
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190 | debug_write_log(DEBUG_NOTICE, '[ldap_finduser] Found entries are empty.'); |
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191 | } |
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192 | else |
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193 | { |
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194 | debug_write_log(DEBUG_DUMP, '[ldap_finduser] LDAP(displayname) = ' . $entries[0][LDAP_ATTR_FULLNAME][0]); |
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195 | debug_write_log(DEBUG_DUMP, '[ldap_finduser] LDAP(mail) = ' . $entries[0][LDAP_ATTR_EMAIL ][0]); |
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196 | |||
197 | $retval = array($entries[0][LDAP_ATTR_FULLNAME][0], |
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198 | $entries[0][LDAP_ATTR_EMAIL ][0]); |
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199 | } |
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200 | } |
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201 | } |
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202 | } |
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203 | } |
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204 | |||
205 | ldap_close($link); |
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206 | |||
207 | return $retval; |
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208 | } |
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209 | |||
210 | /** |
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211 | * Searches for all users of LDAP server and returns array with all findings. |
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212 | * |
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213 | * If login, display name, or email of some LDAP user is empty, it will not be returned. |
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214 | * |
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215 | * @return array Array, where each item is associative array with two items. |
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216 | * First item is user's login and accessable via "username" index. |
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217 | * Second item is user's display name and accessable via "fullname" index. |
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218 | */ |
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219 | function ldap_findallusers () |
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220 | { |
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221 | debug_write_log(DEBUG_TRACE, '[ldap_findallusers]'); |
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222 | |||
223 | $link = @ldap_connect(LDAP_HOST, LDAP_PORT); |
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224 | |||
225 | if (!$link) |
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226 | { |
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227 | debug_write_log(DEBUG_ERROR, '[ldap_findallusers] ldap_connect() error.'); |
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228 | return NULL; |
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229 | } |
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230 | |||
231 | $retval = array(); |
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232 | |||
233 | if (!@ldap_set_option($link, LDAP_OPT_PROTOCOL_VERSION, 3)) |
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234 | { |
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235 | debug_write_log(DEBUG_ERROR, '[ldap_findallusers] ldap_set_option(LDAP_OPT_PROTOCOL_VERSION) error: ' . ldap_err2str(ldap_errno($link))); |
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236 | } |
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237 | View Code Duplication | elseif (!@ldap_set_option($link, LDAP_OPT_REFERRALS, 0)) |
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0 ignored issues
–
show
This code seems to be duplicated across your project.
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository.
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238 | { |
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239 | debug_write_log(DEBUG_ERROR, '[ldap_findallusers] ldap_set_option(LDAP_OPT_REFERRALS) error: ' . ldap_err2str(ldap_errno($link))); |
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240 | } |
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241 | View Code Duplication | elseif (LDAP_USE_TLS && !@ldap_start_tls($link)) |
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0 ignored issues
–
show
This code seems to be duplicated across your project.
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository.
Loading history...
|
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242 | { |
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243 | debug_write_log(DEBUG_ERROR, '[ldap_finduser] ldap_start_tls() error: ' . ldap_err2str(ldap_errno($link))); |
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244 | } |
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245 | View Code Duplication | elseif (!@ldap_bind($link, LDAP_USERNAME, LDAP_PASSWORD)) |
|
0 ignored issues
–
show
This code seems to be duplicated across your project.
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository.
Loading history...
|
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246 | { |
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247 | debug_write_log(DEBUG_WARNING, '[ldap_findallusers] ldap_bind(anonymous) error: ' . ldap_err2str(ldap_errno($link))); |
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248 | } |
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249 | else |
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250 | { |
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251 | $attrs = array(LDAP_ATTR_LOGIN, LDAP_ATTR_FULLNAME, LDAP_ATTR_EMAIL); |
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252 | $basedn = mb_split(';', LDAP_BASEDN); |
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253 | |||
254 | for ($i = 0; $i < count($basedn); $i++) |
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255 | { |
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256 | debug_write_log(DEBUG_DUMP, '[ldap_findallusers] $basedn = ' . $basedn[$i]); |
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257 | |||
258 | $result = @ldap_search($link, $basedn[$i], sprintf("(&(objectcategory=person)(objectclass=user)(%s=*))", LDAP_ATTR_LOGIN), $attrs); |
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259 | |||
260 | if (!$result) |
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261 | { |
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262 | debug_write_log(DEBUG_WARNING, '[ldap_findallusers] ldap_search() error: ' . ldap_err2str(ldap_errno($link))); |
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263 | } |
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264 | else |
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265 | { |
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266 | $entries = @ldap_get_entries($link, $result); |
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267 | |||
268 | if (!$entries || count($entries) <= 1) |
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269 | { |
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270 | debug_write_log(DEBUG_WARNING, '[ldap_findallusers] ldap_get_entries() error: ' . ldap_err2str(ldap_errno($link))); |
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271 | } |
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272 | else |
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273 | { |
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274 | for ($i = 0; $i < count($entries) - 1; $i++) |
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275 | { |
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276 | if (!empty($entries[$i][LDAP_ATTR_LOGIN ][0]) && |
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277 | !empty($entries[$i][LDAP_ATTR_FULLNAME][0]) && |
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278 | !empty($entries[$i][LDAP_ATTR_EMAIL ][0])) |
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279 | { |
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280 | $entry = array('username' => $entries[$i][LDAP_ATTR_LOGIN ][0], |
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281 | 'fullname' => $entries[$i][LDAP_ATTR_FULLNAME][0]); |
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282 | |||
283 | array_push($retval, $entry); |
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284 | } |
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285 | } |
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286 | } |
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287 | } |
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288 | } |
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289 | } |
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290 | |||
291 | ldap_close($link); |
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292 | |||
293 | return $retval; |
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294 | } |
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295 | |||
296 | ?> |
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297 |
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.