Commit ae61c83d398710db0eedeb6b67ddcee03a6ff580
1 parent
91a3f245
moved to lib/authentication
git-svn-id: https://kt-dms.svn.sourceforge.net/svnroot/kt-dms/trunk@257 c91229c3-7414-0410-bfa2-8a42b809f60b
Showing
1 changed file
with
0 additions
and
401 deletions
lib/class.AuthLdap.php deleted
| 1 | -<?php | |
| 2 | -/* class.AuthLdap.php , version 0.1 | |
| 3 | -** Mark Round, December 2002 - http://www.markround.com/unix | |
| 4 | -** Provides LDAP authentication and user functions. | |
| 5 | -** | |
| 6 | -** Not intended as a full-blown LDAP access class - but it does provide | |
| 7 | -** several useful functions for dealing with users. | |
| 8 | -** Note - this works out of the box on Sun's iPlanet Directory Server - but | |
| 9 | -** an ACL has to be defined giving all users the ability to change their | |
| 10 | -** password (userPassword attribute). | |
| 11 | -** See the README file for more information and examples. | |
| 12 | -** | |
| 13 | -** This program is free software; you can redistribute it and/or modify | |
| 14 | -** it under the terms of the GNU General Public License as published by | |
| 15 | -** the Free Software Foundation; either version 2 of the License, or | |
| 16 | -** (at your option) any later version. | |
| 17 | -** | |
| 18 | -** This program is distributed in the hope that it will be useful, | |
| 19 | -** but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 20 | -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 21 | -** GNU General Public License for more details. | |
| 22 | -** | |
| 23 | -** You should have received a copy of the GNU General Public License | |
| 24 | -** along with this program; if not, write to the Free Software | |
| 25 | -** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 26 | -*/ | |
| 27 | - | |
| 28 | -class AuthLdap { | |
| 29 | - | |
| 30 | - // 1.1 Public properties ----------------------------------------------------- | |
| 31 | - | |
| 32 | - var $server; // Array of server IP address or hostnames | |
| 33 | - var $dn; // The base DN (e.g. "dc=foo,dc=com") | |
| 34 | - var $people; // Where the user records are kept | |
| 35 | - var $groups; // Where the group definitions are kept | |
| 36 | - var $ldapErrorCode; // The last error code returned by the LDAP server | |
| 37 | - var $ldapErrorText; // Text of the error message | |
| 38 | - | |
| 39 | - // 1.2 Private properties ---------------------------------------------------- | |
| 40 | - | |
| 41 | - var $connection; // The internal LDAP connection handle | |
| 42 | - var $result; // Result of any connections etc. | |
| 43 | - | |
| 44 | - // 2.1 Connection handling methods ------------------------------------------- | |
| 45 | - | |
| 46 | - function connect() { | |
| 47 | - /* 2.1.1 : Connects to the server. Just creates a connection which is used | |
| 48 | - ** in all later access to the LDAP server. If it can't connect and bind | |
| 49 | - ** anonymously, it creates an error code of -1. Returns true if connected, | |
| 50 | - ** false if failed. Takes an array of possible servers - if one doesn't work, | |
| 51 | - ** it tries the next and so on. | |
| 52 | - */ | |
| 53 | - | |
| 54 | - foreach ($this->server as $key => $host) { | |
| 55 | - echo "key=$key; host=$host<br>"; | |
| 56 | - $this->connection = ldap_connect( $host); | |
| 57 | - if ( $this->connection) { | |
| 58 | - echo "connected<br>"; | |
| 59 | - // Connected, now try binding.... | |
| 60 | - if ( $this->result=@ldap_bind( $this->connection)) { | |
| 61 | - // Bound OK! | |
| 62 | - $this->bound = $host; | |
| 63 | - return true; | |
| 64 | - } | |
| 65 | - } else { echo "not connected<br>";} | |
| 66 | - } | |
| 67 | - | |
| 68 | - $this->ldapErrorCode = -1; | |
| 69 | - $this->ldapErrorText = "Unable to connect to any server"; | |
| 70 | - return false; | |
| 71 | - | |
| 72 | - } | |
| 73 | - | |
| 74 | - | |
| 75 | - | |
| 76 | - function close() { | |
| 77 | - /* 2.1.2 : Simply closes the connection set up earlier. | |
| 78 | - ** Returns true if OK, false if there was an error. | |
| 79 | - */ | |
| 80 | - | |
| 81 | - if ( !@ldap_close( $this->connection)) { | |
| 82 | - $this->ldapErrorCode = ldap_errno( $this->connection); | |
| 83 | - $this->ldapErrorText = ldap_error( $this->connection); | |
| 84 | - return false; | |
| 85 | - } else | |
| 86 | - return true; | |
| 87 | - } | |
| 88 | - | |
| 89 | - | |
| 90 | - | |
| 91 | - function bind() { | |
| 92 | - /* 2.1.3 : Anonymously binds to the connection. After this is done, | |
| 93 | - ** queries and searches can be done - but read-only. | |
| 94 | - */ | |
| 95 | - | |
| 96 | - if ( !$this->result=@ldap_bind( $this->connection)) { | |
| 97 | - $this->ldapErrorCode = ldap_errno( $this->connection); | |
| 98 | - $this->ldapErrorText = ldap_error( $this->connection); | |
| 99 | - return false; | |
| 100 | - } else | |
| 101 | - return true; | |
| 102 | - } | |
| 103 | - | |
| 104 | - | |
| 105 | - | |
| 106 | - function authBind( $bindDn,$pass) { | |
| 107 | - /* 2.1.4 : Binds as an authenticated user, which usually allows for write | |
| 108 | - ** access. The FULL dn must be passed. For a directory manager, this is | |
| 109 | - ** "cn=Directory Manager" under iPlanet. For a user, it will be something | |
| 110 | - ** like "uid=jbloggs,ou=People,dc=foo,dc=com". | |
| 111 | - */ | |
| 112 | - if ( !$this->result = @ldap_bind( $this->connection,$bindDn,$pass)) { | |
| 113 | - $this->ldapErrorCode = ldap_errno( $this->connection); | |
| 114 | - $this->ldapErrorText = ldap_error( $this->connection); | |
| 115 | - return false; | |
| 116 | - } else | |
| 117 | - return true; | |
| 118 | - } | |
| 119 | - | |
| 120 | - // 2.2 Password methods ------------------------------------------------------ | |
| 121 | - | |
| 122 | - function checkPass( $uname,$pass) { | |
| 123 | - /* 2.2.1 : Checks a username and password - does this by logging on to the | |
| 124 | - ** server as a user - specified in the DN. There are several reasons why | |
| 125 | - ** this login could fail - these are listed below. | |
| 126 | - */ | |
| 127 | - | |
| 128 | - /* Construct the full DN, eg:- | |
| 129 | - ** "uid=username, ou=People, dc=orgname,dc=com" | |
| 130 | - */ | |
| 131 | - $checkDn = "uid=" .$uname. ", ou=" .$this->people. ", " .$this->dn; | |
| 132 | - // Try and connect... | |
| 133 | - $this->result = @ldap_bind( $this->connection,$checkDn,$pass); | |
| 134 | - if ( $this->result) { | |
| 135 | - // Connected OK - login credentials are fine! | |
| 136 | - return true; | |
| 137 | - } else { | |
| 138 | - /* Login failed. Return false, together with the error code and text from | |
| 139 | - ** the LDAP server. The common error codes and reasons are listed below : | |
| 140 | - ** (for iPlanet, other servers may differ) | |
| 141 | - ** 19 - Account locked out (too many invalid login attempts) | |
| 142 | - ** 32 - User does not exist | |
| 143 | - ** 49 - Wrong password | |
| 144 | - ** 53 - Account inactive (manually locked out by administrator) | |
| 145 | - */ | |
| 146 | - $this->ldapErrorCode = ldap_errno( $this->connection); | |
| 147 | - $this->ldapErrorText = ldap_error( $this->connection); | |
| 148 | - return false; | |
| 149 | - } | |
| 150 | - } | |
| 151 | - | |
| 152 | - | |
| 153 | - | |
| 154 | - function changePass( $uname,$oldPass,$newPass) { | |
| 155 | - /* 2.2.2 : Allows a password to be changed. Note that on most LDAP servers, | |
| 156 | - ** a new ACL must be defined giving users the ability to modify their | |
| 157 | - ** password attribute (userPassword). Otherwise this will fail. | |
| 158 | - */ | |
| 159 | - | |
| 160 | - $checkDn = "uid=" .$uname. ", ou=" .$this->people. ", " .$this->dn; | |
| 161 | - $this->result = @ldap_bind( $this->connection,$checkDn,$oldPass); | |
| 162 | - | |
| 163 | - if ( $this->result) { | |
| 164 | - // Connected OK - Now modify the password... | |
| 165 | - $info["userPassword"] = $newPass; | |
| 166 | - $this->result = @ldap_modify( $this->connection, $checkDn, $info); | |
| 167 | - if ( $this->result) { | |
| 168 | - // Change went OK | |
| 169 | - return true; | |
| 170 | - } else { | |
| 171 | - // Couldn't change password... | |
| 172 | - $this->ldapErrorCode = ldap_errno( $this->connection); | |
| 173 | - $this->ldapErrorText = ldap_error( $this->connection); | |
| 174 | - return false; | |
| 175 | - } | |
| 176 | - } else { | |
| 177 | - // Login failed - see checkPass method for common error codes | |
| 178 | - $this->ldapErrorCode = ldap_errno( $this->connection); | |
| 179 | - $this->ldapErrorText = ldap_error( $this->connection); | |
| 180 | - return false; | |
| 181 | - } | |
| 182 | - } | |
| 183 | - | |
| 184 | - | |
| 185 | - | |
| 186 | - function checkPassAge ( $uname) { | |
| 187 | - /* 2.2.3 : Returns days until the password will expire. | |
| 188 | - ** We have to explicitly state this is what we want returned from the | |
| 189 | - ** LDAP server - by default, it will only send back the "basic" | |
| 190 | - ** attributes. | |
| 191 | - */ | |
| 192 | - $results[0] = "passwordexpirationtime"; | |
| 193 | - $this->result = @ldap_search( $this->connection,$this->dn,"uid=".$uname,$results); | |
| 194 | - | |
| 195 | - if ( !$info=@ldap_get_entries( $this->connection, $this->result)) { | |
| 196 | - $this->ldapErrorCode = ldap_errno( $this->connection); | |
| 197 | - $this->ldapErrorText = ldap_error( $this->connection); | |
| 198 | - return false; | |
| 199 | - } else { | |
| 200 | - /* Now work out how many days remaining.... | |
| 201 | - ** Yes, it's very verbose code but I left it like this so it can easily | |
| 202 | - ** be modified for your needs. | |
| 203 | - */ | |
| 204 | - $date = $info[0]["passwordexpirationtime"][0]; | |
| 205 | - $year = substr( $date,0,4); | |
| 206 | - $month = substr( $date,4,2); | |
| 207 | - $day = substr( $date,6,2); | |
| 208 | - $hour = substr( $date,8,2); | |
| 209 | - $min = substr( $date,10,2); | |
| 210 | - $sec = substr( $date,12,2); | |
| 211 | - | |
| 212 | - $timestamp = mktime( $hour,$min,$sec,$month,$day,$year); | |
| 213 | - $today = mktime(); | |
| 214 | - $diff = $timestamp-$today; | |
| 215 | - return round( ( ( ( $diff/60)/60)/24)); | |
| 216 | - } | |
| 217 | - } | |
| 218 | - | |
| 219 | - // 2.3 Group methods --------------------------------------------------------- | |
| 220 | - | |
| 221 | - function checkGroup ( $uname,$group) { | |
| 222 | - /* 2.3.1 : Checks to see if a user is in a given group. If so, it returns | |
| 223 | - ** true, and returns false if the user isn't in the group, or any other | |
| 224 | - ** error occurs (eg:- no such user, no group by that name etc.) | |
| 225 | - */ | |
| 226 | - | |
| 227 | - $checkDn = "ou=" .$this->groups. ", " .$this->dn; | |
| 228 | - | |
| 229 | - // We need to search for the group in order to get it's entry. | |
| 230 | - $this->result = @ldap_search( $this->connection, $checkDn, "cn=" .$group); | |
| 231 | - $info = @ldap_get_entries( $this->connection, $this->result); | |
| 232 | - | |
| 233 | - // Only one entry should be returned(no groups will have the same name) | |
| 234 | - $entry = ldap_first_entry( $this->connection,$this->result); | |
| 235 | - | |
| 236 | - if ( !$entry) { | |
| 237 | - $this->ldapErrorCode = ldap_errno( $this->connection); | |
| 238 | - $this->ldapErrorText = ldap_error( $this->connection); | |
| 239 | - return false; // Couldn't find the group... | |
| 240 | - } | |
| 241 | - // Get all the member DNs | |
| 242 | - if ( !$values = @ldap_get_values( $this->connection, $entry, "uniqueMember")) { | |
| 243 | - $this->ldapErrorCode = ldap_errno( $this->connection); | |
| 244 | - $this->ldapErrorText = ldap_error( $this->connection); | |
| 245 | - return false; // No users in the group | |
| 246 | - } | |
| 247 | - foreach ( $values as $key => $value) { | |
| 248 | - /* Loop through all members - see if the uname is there... | |
| 249 | - ** Also check for sub-groups - this allows us to define a group as | |
| 250 | - ** having membership of another group. | |
| 251 | - ** FIXME:- This is pretty ugly code and unoptimised. It takes ages | |
| 252 | - ** to search if you have sub-groups. | |
| 253 | - */ | |
| 254 | - list( $cn,$ou) = explode( ",",$value); | |
| 255 | - list( $ou_l,$ou_r) = explode( "=",$ou); | |
| 256 | - | |
| 257 | - if ( $this->groups==$ou_r) { | |
| 258 | - list( $cn_l,$cn_r) = explode( "=",$cn); | |
| 259 | - // OK, So we now check the sub-group... | |
| 260 | - if ( $this->checkGroup ( $uname,$cn_r)) { | |
| 261 | - return true; | |
| 262 | - } | |
| 263 | - } | |
| 264 | - | |
| 265 | - if ( preg_match( "/$uname/i",$value)) { | |
| 266 | - return true; | |
| 267 | - } | |
| 268 | - } | |
| 269 | - } | |
| 270 | - | |
| 271 | - // 2.4 Attribute methods ----------------------------------------------------- | |
| 272 | - | |
| 273 | - function getAttribute ( $uname,$attribute) { | |
| 274 | - /* 2.4.1 : Returns an array containing a set of attribute values. | |
| 275 | - ** For most searches, this will just be one row, but sometimes multiple | |
| 276 | - ** results are returned (eg:- multiple email addresses) | |
| 277 | - */ | |
| 278 | - | |
| 279 | - $checkDn = "ou=" .$this->people. ", " .$this->dn; | |
| 280 | - $results[0] = $attribute; | |
| 281 | - | |
| 282 | - // We need to search for this user in order to get their entry. | |
| 283 | - $this->result = ldap_search( $this->connection, $checkDn, "uid=" .$uname, $results); | |
| 284 | - $info = ldap_get_entries( $this->connection, $this->result); | |
| 285 | - | |
| 286 | - // Only one entry should ever be returned (no user will have the same uid) | |
| 287 | - $entry = ldap_first_entry( $this->connection, $this->result); | |
| 288 | - | |
| 289 | - if ( !$entry) { | |
| 290 | - $this->ldapErrorCode = -1; | |
| 291 | - $this->ldapErrorText = "Couldn't find user"; | |
| 292 | - return false; // Couldn't find the user... | |
| 293 | - } | |
| 294 | - | |
| 295 | - // Get all the member DNs | |
| 296 | - if ( !$values = @ldap_get_values( $this->connection, $entry, $attribute)) { | |
| 297 | - $this->ldapErrorCode = ldap_errno( $this->connection); | |
| 298 | - $this->ldapErrorText = ldap_error( $this->connection); | |
| 299 | - return false; // No matching attributes | |
| 300 | - } | |
| 301 | - | |
| 302 | - // Return an array containing the attributes. | |
| 303 | - return $values; | |
| 304 | - } | |
| 305 | - | |
| 306 | - | |
| 307 | - | |
| 308 | - function setAttribute( $uname, $attribute, $value) { | |
| 309 | - /* 2.4.2 : Allows an attribute value to be set. | |
| 310 | - ** This can only usually be done after an authenticated bind as a | |
| 311 | - ** directory manager - otherwise, read/write access will not be granted. | |
| 312 | - */ | |
| 313 | - | |
| 314 | - // Construct a full DN... | |
| 315 | - $attrib_dn = "uid=" .$uname. ",ou=" .$this->people. "," .$this->dn; | |
| 316 | - $info[$attribute] = $value; | |
| 317 | - // Change attribute | |
| 318 | - $this->result = ldap_modify( $this->connection, $attrib_dn, $info); | |
| 319 | - if ( $this->result) { | |
| 320 | - // Change went OK | |
| 321 | - return true; | |
| 322 | - } else { | |
| 323 | - // Couldn't change password... | |
| 324 | - $this->ldapErrorCode = ldap_errno( $this->connection); | |
| 325 | - $this->ldapErrorText = ldap_error( $this->connection); | |
| 326 | - return false; | |
| 327 | - } | |
| 328 | - } | |
| 329 | - | |
| 330 | - /** | |
| 331 | - * Sets and returns the appropriate dn, based on whether there | |
| 332 | - * are values in $this->people and $this->groups. | |
| 333 | - * | |
| 334 | - * @param $peopleOrGroups | |
| 335 | - * this boolean specifies whether to build a groups | |
| 336 | - * dn or a people dn ie. if the boolean is true: | |
| 337 | - * ou=$this->people,$this->dn else: | |
| 338 | - * ou=$this->groups,$this->dn | |
| 339 | - * @return | |
| 340 | - * the dn to use | |
| 341 | - */ | |
| 342 | - function setDn( $peopleOrGroups) { | |
| 343 | - | |
| 344 | - if ( $peopleOrGroups) { | |
| 345 | - if ( isset( $this->people) && ( strlen( $this->people) > 0)) { | |
| 346 | - $checkDn = "ou=" .$this->people. ", " .$this->dn; | |
| 347 | - } | |
| 348 | - } else { | |
| 349 | - if ( isset( $this->groups) && ( strlen( $this->groups) > 0)) { | |
| 350 | - $checkDn = "ou=" .$this->groups. ", " .$this->dn; | |
| 351 | - } | |
| 352 | - } | |
| 353 | - | |
| 354 | - if ( !isset( $checkDn)) { | |
| 355 | - $checkDn = $this->dn; | |
| 356 | - } | |
| 357 | - return $checkDn; | |
| 358 | - } | |
| 359 | - // 2.5 User methods ---------------------------------------------------------- | |
| 360 | - | |
| 361 | - function getUsers( $search, $attributeArray) { | |
| 362 | - /* 2.5.1 : Returns an array containing a details of users, sorted by | |
| 363 | - ** username. The search criteria is a standard LDAP query - * returns all | |
| 364 | - ** users. The $attributeArray variable contains the required user detail field names | |
| 365 | - */ | |
| 366 | - | |
| 367 | - // builds the appropriate dn, based on whether $this->people and/or $this->group is set | |
| 368 | - $checkDn = $this->setDn( true); | |
| 369 | - | |
| 370 | - // Perform the search and get the entry handles | |
| 371 | - $this->result = ldap_search( $this->connection, $checkDn, "uid=" .$search); | |
| 372 | - $info = ldap_get_entries( $this->connection, $this->result); | |
| 373 | - for( $i = 0; $i < $info["count"]; $i++){ | |
| 374 | - // Get the username, and create an array indexed by it... | |
| 375 | - // Modify these as you see fit. | |
| 376 | - $uname = $info[$i]["uid"][0]; | |
| 377 | - // add to the array for each attribute in my list | |
| 378 | - for ( $j = 0; $j < count( $attributeArray); $j++) { | |
| 379 | - if (strtolower($attributeArray[$j]) == "dn") { | |
| 380 | - $userslist["$uname"]["$attributeArray[$j]"] = $info[$i][strtolower($attributeArray[$j])]; | |
| 381 | - } else { | |
| 382 | - $userslist["$uname"]["$attributeArray[$j]"] = $info[$i][strtolower($attributeArray[$j])][0]; | |
| 383 | - } | |
| 384 | - } | |
| 385 | - } | |
| 386 | - | |
| 387 | - if ( !@asort( $userslist)) { | |
| 388 | - /* Sort into alphabetical order. If this fails, it's because there | |
| 389 | - ** were no results returned (array is empty) - so just return false. | |
| 390 | - */ | |
| 391 | - $this->ldapErrorCode = -1; | |
| 392 | - $this->ldapErrorText = "No users found matching search criteria ".$search; | |
| 393 | - return false; | |
| 394 | - } | |
| 395 | - return $userslist; | |
| 396 | - } | |
| 397 | - | |
| 398 | -} // End of class | |
| 399 | - | |
| 400 | - | |
| 401 | -?> |