825 lines
23 KiB
PHP
825 lines
23 KiB
PHP
<?php
|
|
/*
|
|
$Id$
|
|
|
|
This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
|
|
Copyright (C) 2003 - 2006 Tilo Lutz
|
|
2009 - 2011 Roland Gruber
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
*/
|
|
|
|
/**
|
|
* This provides several helper function for the account modules.
|
|
*
|
|
* @author Tilo Lutz
|
|
* @author Roland Gruber
|
|
*
|
|
* @package lib
|
|
*/
|
|
|
|
|
|
|
|
/**
|
|
* Returns a list of shells listed in config/shells.
|
|
*
|
|
* @return array list of shell names
|
|
*/
|
|
function getshells() {
|
|
$return = array();
|
|
$shellPath = dirname(__FILE__) . '/../config/shells';
|
|
// load shells from file
|
|
if (file_exists($shellPath)) {
|
|
$shells = file($shellPath);
|
|
for ($i = 0; $i < sizeof($shells); $i++) {
|
|
// remove whitespaces and line end
|
|
$shells[$i] = trim($shells[$i]);
|
|
// remove comments
|
|
if ((strlen($shells[$i]) == 0) || $shells[$i]{0}=='#') {
|
|
continue;
|
|
}
|
|
$return[] = $shells[$i];
|
|
}
|
|
return $return;
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
|
|
/**
|
|
* This function will return all values from $array without values of $values.
|
|
*
|
|
* @param array $values list of values which should be removed
|
|
* @param array $array list of original values
|
|
* @return array list of remaining values
|
|
*/
|
|
function array_delete($values, $array) {
|
|
// Loop for every entry and check if it should be removed
|
|
if (is_array($array)) {
|
|
$return = array();
|
|
foreach ($array as $array_value)
|
|
if (!@in_array($array_value, $values))
|
|
$return[] = $array_value;
|
|
return $return;
|
|
}
|
|
else return array();
|
|
}
|
|
|
|
|
|
/**
|
|
* Checks if a string exists in an array, ignoring case.
|
|
*/
|
|
function in_array_ignore_case($needle, $haystack) {
|
|
if( ! is_array( $haystack ) )
|
|
return false;
|
|
if( ! is_string( $needle ) )
|
|
return false;
|
|
foreach( $haystack as $element )
|
|
if( is_string( $element ) && 0 == strcasecmp( $needle, $element ) )
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* This function will return the days from 1.1.1970 until now.
|
|
*
|
|
* @return number of days
|
|
*/
|
|
function getdays() {
|
|
$days = time() / 86400;
|
|
settype($days, 'integer');
|
|
return $days;
|
|
}
|
|
|
|
/**
|
|
* Takes a list of Samba flags and creates the corresponding flag string.
|
|
*
|
|
* @param array $input is an array of Samba flags (e.g. X or D)
|
|
* @return string Samba flag string
|
|
*/
|
|
function smbflag($input) {
|
|
// Start character
|
|
$flag = "[";
|
|
// Add Options
|
|
if ($input['W']) $flag .= "W"; else $flag .= "U";
|
|
if ($input['D']) $flag .= "D";
|
|
if ($input['X']) $flag .= "X";
|
|
if ($input['N']) $flag .= "N";
|
|
if ($input['S']) $flag .= "S";
|
|
if ($input['H']) $flag .= "H";
|
|
// Expand string to fixed length
|
|
$flag = str_pad($flag, 12);
|
|
// End character
|
|
$flag = $flag. "]";
|
|
return $flag;
|
|
}
|
|
|
|
/**
|
|
* Generates the LM hash of a password.
|
|
*
|
|
* @param string password original password
|
|
* @return string password hash
|
|
*/
|
|
function lmPassword($password) {
|
|
// Needed to calculate Samba passwords
|
|
include_once("createntlm.inc");
|
|
// get hash
|
|
$hash = new smbHash();
|
|
return $hash->lmhash($password);
|
|
}
|
|
|
|
/**
|
|
* Generates the NT hash of a password.
|
|
*
|
|
* @param string password original password
|
|
* @return string password hash
|
|
*/
|
|
function ntPassword($password) {
|
|
// Needed to calculate Samba passwords
|
|
include_once("createntlm.inc");
|
|
// get hash
|
|
$hash = new smbHash();
|
|
return $hash->nthash($password);
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Returns the hash value of a plain text password
|
|
* the hash algorithm depends on the configuration file
|
|
*
|
|
* @param string $password the password string
|
|
* @param boolean $enabled marks the hash as enabled/disabled (e.g. by prefixing "!")
|
|
* @param string $hashType password hash type (CRYPT, SHA, SSHA, MD5, SMD5, PLAIN)
|
|
* @return string the password hash
|
|
*/
|
|
function pwd_hash($password, $enabled = true, $hashType = 'SSHA') {
|
|
// check for empty password
|
|
if (! $password || ($password == "")) {
|
|
return "";
|
|
}
|
|
// calculate new random number
|
|
if (isset($_SESSION['ldap'])) {
|
|
$rand = $_SESSION['ldap']->new_rand();
|
|
}
|
|
else {
|
|
mt_srand((microtime() * 1000000));
|
|
$rand = mt_rand();
|
|
}
|
|
$hash = "";
|
|
switch ($hashType) {
|
|
case 'CRYPT':
|
|
$hash = "{CRYPT}" . crypt($password);
|
|
break;
|
|
case 'MD5':
|
|
$hash = "{MD5}" . base64_encode(hex2bin(md5($password)));
|
|
break;
|
|
case 'SMD5':
|
|
$salt0 = substr(pack("h*", md5($rand)), 0, 8);
|
|
$salt = substr(pack("H*", md5($salt0 . $password)), 0, 4);
|
|
$hash = "{SMD5}" . base64_encode(hex2bin(md5($password . $salt)) . $salt);
|
|
break;
|
|
case 'SHA':
|
|
$hash = "{SHA}" . base64_encode(hex2bin(sha1($password)));
|
|
break;
|
|
case 'PLAIN':
|
|
$hash = $password;
|
|
break;
|
|
case 'SSHA':
|
|
default: // use SSHA if the setting is invalid
|
|
$salt0 = substr(pack("h*", md5($rand)), 0, 8);
|
|
$salt = substr(pack("H*", sha1($salt0 . $password)), 0, 4);
|
|
$hash = "{SSHA}" . base64_encode(hex2bin(sha1($password . $salt)) . $salt);
|
|
break;
|
|
}
|
|
// enable/disable password
|
|
if (! $enabled) return pwd_disable($hash);
|
|
else return $hash;
|
|
}
|
|
|
|
/**
|
|
* Marks an password hash as enabled and returns the new hash string
|
|
*
|
|
* @param string $hash hash value to enable
|
|
* @return string enabled password hash
|
|
*/
|
|
function pwd_enable($hash) {
|
|
// check if password is disabled (old wrong LAM method)
|
|
if ((substr($hash, 0, 2) == "!{") || ((substr($hash, 0, 2) == "*{"))) {
|
|
return substr($hash, 1, strlen($hash));
|
|
}
|
|
// check for "!" or "*" at beginning of password hash
|
|
else {
|
|
if (substr($hash, 0, 1) == "{") {
|
|
$pos = strpos($hash, "}");
|
|
if ((substr($hash, $pos + 1, 1) == "!") || (substr($hash, $pos + 1, 1) == "*")) {
|
|
// enable hash
|
|
return substr($hash, 0, $pos + 1) . substr($hash, $pos + 2, strlen($hash));
|
|
}
|
|
else return $hash; // not disabled
|
|
}
|
|
else return $hash; // password is plain text
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Marks an password hash as disabled and returns the new hash string
|
|
*
|
|
* @param string $hash hash value to disable
|
|
* @return string disabled hash value
|
|
*/
|
|
function pwd_disable($hash) {
|
|
// check if password is disabled (old wrong LAM method)
|
|
if ((substr($hash, 0, 2) == "!{") || ((substr($hash, 0, 2) == "*{"))) {
|
|
return $hash;
|
|
}
|
|
// check for "!" or "*" at beginning of password hash
|
|
else {
|
|
if (substr($hash, 0, 1) == "{") {
|
|
$pos = strpos($hash, "}");
|
|
if ((substr($hash, $pos + 1, 1) == "!") || (substr($hash, $pos + 1, 1) == "*")) {
|
|
// hash already disabled
|
|
return $hash;
|
|
}
|
|
else return substr($hash, 0, $pos + 1) . "!" . substr($hash, $pos + 1, strlen($hash)); // not disabled
|
|
}
|
|
else return $hash; // password is plain text
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks if a password hash is enabled/disabled
|
|
*
|
|
* @param string $hash password hash to check
|
|
* @return boolean true if the password is marked as enabled
|
|
*/
|
|
function pwd_is_enabled($hash) {
|
|
// disabled passwords have a "!" or "*" at the beginning (old wrong LAM method)
|
|
if ((substr($hash, 0, 2) == "!{") || ((substr($hash, 0, 2) == "*{"))) return false;
|
|
if (substr($hash, 0, 1) == "{") {
|
|
$pos = strrpos($hash, "}");
|
|
// check if hash starts with "!" or "*"
|
|
if ((substr($hash, $pos + 1, 1) == "!") || (substr($hash, $pos + 1, 1) == "*")) return false;
|
|
else return true;
|
|
}
|
|
else return true;
|
|
}
|
|
|
|
/**
|
|
* Generates a random password with 12 digits.
|
|
*
|
|
* @return String password
|
|
*/
|
|
function generateRandomPassword() {
|
|
$list = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.-_';
|
|
$password = '';
|
|
$length = $_SESSION['cfgMain']->passwordMinLength;
|
|
if ($length < 12) {
|
|
$length = 12;
|
|
}
|
|
$isOk = false;
|
|
for ($x = 0; $x < 10000; $x++) {
|
|
$password = '';
|
|
for ($i = 0; $i < $length; $i++) {
|
|
$rand = $_SESSION['ldap']->new_rand() % 65;
|
|
$password .= $list[$rand];
|
|
}
|
|
if (checkPasswordStrength($password) === true) {
|
|
break;
|
|
}
|
|
}
|
|
return $password;
|
|
}
|
|
|
|
/**
|
|
* Returns an array with all Samba 3 domain entries under the given suffix
|
|
*
|
|
* @return array list of samba3domain objects
|
|
*/
|
|
function search_domains($server = null, $suffix = null) {
|
|
if ($suffix == null) {
|
|
$suffix = $_SESSION['config']->get_Suffix('smbDomain');
|
|
}
|
|
$ret = array();
|
|
$attr = array("DN", "sambaDomainName", "sambaSID", "sambaNextRid", "sambaNextGroupRid",
|
|
"sambaNextUserRid", "sambaAlgorithmicRidBase", 'sambaMinPwdAge', 'sambaMaxPwdAge');
|
|
if ($server == null) {
|
|
$server = $_SESSION['ldap']->server();
|
|
}
|
|
$units = searchLDAPByAttribute(null, null, 'sambaDomain', $attr, array('smbDomain'));
|
|
// extract attributes
|
|
for ($i = 0; $i < sizeof($units); $i++) {
|
|
$ret[$i] = new samba3domain();
|
|
$ret[$i]->dn = $units[$i]['dn'];
|
|
$ret[$i]->name = $units[$i]['sambadomainname'][0];
|
|
$ret[$i]->SID = $units[$i]['sambasid'][0];
|
|
if (isset($units[$i]['sambanextrid'][0])) $ret[$i]->nextRID = $units[$i]['sambanextrid'][0];
|
|
if (isset($units[$i]['sambanextgrouprid'][0])) $ret[$i]->nextGroupRID = $units[$i]['sambanextgrouprid'][0];
|
|
if (isset($units[$i]['sambanextuserrid'][0])) $ret[$i]->nextUserRID = $units[$i]['sambanextuserrid'][0];
|
|
if (isset($units[$i]['sambaalgorithmicridbase'][0])) $ret[$i]->RIDbase = $units[$i]['sambaalgorithmicridbase'][0];
|
|
if (isset($units[$i]['sambaminpwdage'][0])) $ret[$i]->minPwdAge = $units[$i]['sambaminpwdage'][0];
|
|
if (isset($units[$i]['sambamaxpwdage'][0])) $ret[$i]->maxPwdAge = $units[$i]['sambamaxpwdage'][0];
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Represents a Samba 3 domain entry
|
|
*
|
|
* @package modules
|
|
*/
|
|
class samba3domain {
|
|
|
|
/** DN */
|
|
public $dn;
|
|
|
|
/** Domain name */
|
|
public $name;
|
|
|
|
/** Domain SID */
|
|
public $SID;
|
|
|
|
/** Next RID */
|
|
public $nextRID;
|
|
|
|
/** Next user RID */
|
|
public $nextUserRID;
|
|
|
|
/** Next group RID */
|
|
public $nextGroupRID;
|
|
|
|
/** RID base to calculate RIDs, default 1000 */
|
|
public $RIDbase = 1000;
|
|
|
|
/** seconds after the password can be changed */
|
|
public $minPwdAge;
|
|
|
|
/** seconds after the password must be changed */
|
|
public $maxPwdAge;
|
|
}
|
|
|
|
/**
|
|
* Checks if a given value matches the selected regular expression.
|
|
*
|
|
* @param string $argument value to check
|
|
* @param string $regexp pattern name
|
|
* @return boolean true if matches, otherwise false
|
|
*/
|
|
function get_preg($argument, $regexp) {
|
|
/* Bug in php preg_match doesn't work correct with utf8
|
|
*/
|
|
$language = explode(":", $_SESSION['language']);
|
|
$language2 = explode ('.', $language[0]);
|
|
setlocale(LC_ALL, $language2[0]);
|
|
// First we check "positive" cases
|
|
$pregexpr = '';
|
|
switch ($regexp) {
|
|
case 'password':
|
|
$pregexpr = '/^([[:alnum:]\\^\\ \\|\\#\\*\\,\\.\\;\\:\\_\\+\\!\\%\\&\\/\\?\\{\\(\\)\\}\\[\\]\\$@=-])*$/u';
|
|
break;
|
|
case 'groupname': // all letters, numbers, space and ._- are allowed characters
|
|
case 'username':
|
|
case 'hostname':
|
|
$pregexpr = '/^([[:alnum:]@\\.\\ \\_\\$-])+$/u';
|
|
break;
|
|
case 'hostObject':
|
|
$pregexpr = '/^[!]?([[:alnum:]@\\.\\ \\_\\$\\*-])+$/u';
|
|
break;
|
|
case 'usernameList': // comma separated list of user names
|
|
case 'groupnameList': // comma separated list of group names
|
|
$pregexpr = '/^([[:alnum:]@\\.\\ \\_-])+(,([[:alnum:]@\\.\\ \\_-])+)*$/u';
|
|
break;
|
|
case 'realname': // Allow all but \, <, >, =, $, ?
|
|
case 'cn':
|
|
$pregexpr = '/^[^\\\<>=\\$\\?]+(\\$)?$/';
|
|
break;
|
|
case "telephone": // Allow letters, numbers, space, brackets, /-+.
|
|
$pregexpr = '/^(\\+)*([0-9a-zA-Z\\.\\ \\(\\)\\/-])*$/';
|
|
break;
|
|
case "email":
|
|
$pregexpr = '/^([0-9a-zA-Z+\\/\\._-])+[@]([0-9a-zA-Z-])+([.]([0-9a-zA-Z-])+)*$/';
|
|
break;
|
|
case "emailWithName":
|
|
$pregexpr = '/^([[:alnum:] ])+ <([0-9a-zA-Z+\\/\\._-])+[@]([0-9a-zA-Z-])+([.]([0-9a-zA-Z-])+)*>$/u';
|
|
break;
|
|
case "mailLocalAddress":
|
|
$pregexpr = '/^([0-9a-zA-Z+\\/\\._-])+([@]([0-9a-zA-Z-])+([.]([0-9a-zA-Z-])+)*)?$/';
|
|
break;
|
|
case "postalAddress": // Allow all but \, <, >, =, ?
|
|
$pregexpr = '/^[^\\\<>=\\?]*$/';
|
|
break;
|
|
case "postalCode": // Allow all but \, <, >, =, ?
|
|
case "street":
|
|
case "title":
|
|
case "employeeType":
|
|
case "businessCategory":
|
|
$pregexpr = '/^[^\\\<>=\\$\\?]*$/';
|
|
break;
|
|
case "homeDirectory": // Homapath, /path/......
|
|
case "filePath":
|
|
$pregexpr = '/^([\/]([[:alnum:]@\\$\\.\\ \\_-])+)+(\/)?$/u';
|
|
break;
|
|
case "digit": // Normal number
|
|
$pregexpr = '/^[[:digit:]]*$/';
|
|
break;
|
|
case "UNC": // UNC Path, e.g. \\server\share\folder\...
|
|
$pregexpr = '/^((([\\\][\\\])|(%))([a-zA-Z0-9%\\.-])+)([\\\]([[:alnum:]%\\.\\$\\ \\_-])+)+$/u';
|
|
break;
|
|
case "logonscript": // path to login-script. normal unix file
|
|
$pregexpr = '/^(([\/\\\])*([[:alnum:]%\\.\\ \\$\\_-])+([\/\\\]([[:alnum:]%\\.\\ \\$\\_-])+)*((\\.bat)|(\\.cmd)|(\\.exe)|(\\.vbs)))*$/u';
|
|
break;
|
|
case "workstations": // comma separated list with windows-hosts
|
|
$pregexpr = '/^(([a-zA-Z0-9\\.\\_-])+(,[a-zA-Z0-9\\.\\_-])*)*$/';
|
|
break;
|
|
case "domainname": // Windows Domainname
|
|
$pregexpr = '/^([A-Za-z0-9\\.\\_-])+$/';
|
|
break;
|
|
case "unixhost": // Unix hosts
|
|
$pregexpr = '/^([a-z0-9,\\.\\*_-])*$/';
|
|
break;
|
|
case 'digit2': // Same as digit but also -1
|
|
$pregexpr = '/^(([-][1])|([[:digit:]]*))$/';
|
|
break;
|
|
case 'gecos':
|
|
$pregexpr = '/^[[:alnum:] \\._-]+([,][[:alnum:] \\._-]+)*$/u';
|
|
break;
|
|
case 'macAddress':
|
|
$pregexpr = '/^[0-9a-fA-F]{2}(:[0-9a-fA-F]{2}){5}$/';
|
|
break;
|
|
case 'date':
|
|
$pregexpr = '/^((0?[1-9])|([1-2][0-9])|30|31)\\-((0?[1-9])|(1[0-2]))\\-[1-3][0-9][0-9][0-9]$/';
|
|
break;
|
|
case 'date2':
|
|
$pregexpr = '/^((0[1-9])|([1-2][0-9])|30|31)\\.((0[1-9])|(1[0-2]))\\.[1-3][0-9][0-9][0-9]$/';
|
|
break;
|
|
case 'sambaLogonHours':
|
|
$pregexpr = '/^[0-9a-fA-F]{42}$/';
|
|
break;
|
|
case 'DNSname':
|
|
$pregexpr = '/^[0-9a-zA-Z_-]+(\\.[0-9a-zA-Z_-]+)*$/';
|
|
break;
|
|
case 'nis_alias':
|
|
$pregexpr = '/^([[:alnum:]@\\.\\ \\_-])+$/u';
|
|
break;
|
|
case 'nis_recipient':
|
|
$pregexpr = '/^([[:alnum:]+@\\.\\ \\_-])+$/u';
|
|
break;
|
|
case 'country': // Allow all letters and space
|
|
$pregexpr = '/^[[:alpha:]]([[:alpha:] ])+$/u';
|
|
break;
|
|
case 'dn': // LDAP DN
|
|
$pregexpr = '/^([^=,]+=[^=,]+)(,([^=,]+=[^=,]+))*$/';
|
|
break;
|
|
case 'domainSID': // Samba domain SID
|
|
$pregexpr = "/^S\\-[0-9]\\-[0-9]\\-[0-9]{2,2}\\-[0-9]+\\-[0-9]+\\-[0-9]+$/";
|
|
break;
|
|
case 'ip': // IP address
|
|
$pregexpr = '/^[0-9]{1,3}[.][0-9]{1,3}[.][0-9]{1,3}[.][0-9]{1,3}$/';
|
|
break;
|
|
case 'ascii': // ASCII
|
|
$pregexpr = '/^[' . chr(1) . '-' . chr(128) . ']*$/';
|
|
break;
|
|
}
|
|
if ($pregexpr!='')
|
|
if (preg_match($pregexpr, $argument)) {
|
|
/* Bug in php preg_match doesn't work correct with utf8
|
|
*/
|
|
setlocale(LC_ALL, $language[0]);
|
|
return true;
|
|
}
|
|
// Now we check "negative" cases, characters which are not allowed
|
|
$pregexpr = '';
|
|
switch ($regexp) {
|
|
case "!lower":
|
|
$pregexpr = '/[[:lower:]]/';
|
|
break;
|
|
case "!upper":
|
|
$pregexpr = '/[[:upper:]]/';
|
|
break;
|
|
case "!digit":
|
|
$pregexpr = '/[[:digit:]]/';
|
|
break;
|
|
}
|
|
if ($pregexpr!='')
|
|
if (!preg_match($pregexpr, $argument)) {
|
|
/* Bug in php preg_match doesn't work correct with utf8
|
|
*/
|
|
setlocale(LC_ALL, $language[0]);
|
|
return true;
|
|
}
|
|
/* Bug in php preg_match doesn't work correct with utf8
|
|
*/
|
|
setlocale(LC_ALL, $language[0]);
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Escapes any special characters in an LDAP DN.
|
|
*
|
|
* @param String $dn DN
|
|
* @return String escaped DN
|
|
*/
|
|
function escapeDN($dn) {
|
|
$dn = preg_replace('/[ ]*,[ ]*/', ',', $dn);
|
|
return str_replace(
|
|
array(')', '(', ' ', '*'),
|
|
array('\\29', '\\28', '\\20', '\\2a'),
|
|
$dn
|
|
);
|
|
}
|
|
|
|
/**
|
|
* This will search the given LDAP suffix for all entries which have the given attribute.
|
|
*
|
|
* @param String $name attribute name (may be null)
|
|
* @param String $value attribute value
|
|
* @param String $objectClass object class (may be null)
|
|
* @param array $attributes list of attributes to return
|
|
* @param array $scopes account types
|
|
* @return array list of found entries
|
|
*/
|
|
function searchLDAPByAttribute($name, $value, $objectClass, $attributes, $scopes) {
|
|
$return = array();
|
|
// build filter
|
|
$filter = '';
|
|
$filterParts = array();
|
|
if ($name != null) {
|
|
$filterParts[] = '(' . $name . '=' . $value . ')';
|
|
}
|
|
if ($objectClass != null) {
|
|
$filterParts[] = '(objectClass=' . $objectClass . ')';
|
|
}
|
|
if (sizeof($filterParts) == 1) {
|
|
$filter = $filterParts[0];
|
|
}
|
|
elseif (sizeof($filterParts) > 1) {
|
|
$filter = '(& ' . implode(' ', $filterParts) . ')';
|
|
}
|
|
for ($s = 0; $s < sizeof($scopes); $s++) {
|
|
// search LDAP
|
|
$sr = @ldap_search($_SESSION['ldap']->server(), escapeDN($_SESSION['config']->get_Suffix($scopes[$s])),
|
|
$filter, $attributes, 0, $_SESSION['config']->get_searchLimit(), 0, LDAP_DEREF_NEVER);
|
|
if ($sr) {
|
|
$entries = ldap_get_entries($_SESSION['ldap']->server(), $sr);
|
|
if ($entries) {
|
|
cleanLDAPResult($entries);
|
|
$return = array_merge($return, $entries);
|
|
}
|
|
@ldap_free_result($sr);
|
|
}
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* This will search the given LDAP suffix for all entries which match the given filter.
|
|
*
|
|
* @param String $filter
|
|
* @param array $attributes list of attributes to return
|
|
* @param array $scopes account types
|
|
* @return array list of found entries
|
|
*/
|
|
function searchLDAPByFilter($filter, $attributes, $scopes) {
|
|
$return = array();
|
|
for ($s = 0; $s < sizeof($scopes); $s++) {
|
|
// search LDAP
|
|
$sr = @ldap_search($_SESSION['ldap']->server(), escapeDN($_SESSION['config']->get_Suffix($scopes[$s])),
|
|
$filter, $attributes, 0, $_SESSION['config']->get_searchLimit(), 0, LDAP_DEREF_NEVER);
|
|
if ($sr) {
|
|
$entries = ldap_get_entries($_SESSION['ldap']->server(), $sr);
|
|
if ($entries) {
|
|
cleanLDAPResult($entries);
|
|
$return = array_merge($return, $entries);
|
|
}
|
|
@ldap_free_result($sr);
|
|
}
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Runs an LDAP search.
|
|
*
|
|
* @param String $suffix LDAP suffix
|
|
* @param String $filter filter
|
|
* @param array $attributes list of attributes to return
|
|
* @return array list of found entries
|
|
*/
|
|
function searchLDAP($suffix, $filter, $attributes) {
|
|
$return = array();
|
|
$sr = @ldap_search($_SESSION['ldap']->server(), escapeDN($suffix), $filter, $attributes,
|
|
0, $_SESSION['config']->get_searchLimit(), 0, LDAP_DEREF_NEVER);
|
|
if ($sr) {
|
|
$entries = ldap_get_entries($_SESSION['ldap']->server(), $sr);
|
|
if ($entries) {
|
|
cleanLDAPResult($entries);
|
|
@ldap_free_result($sr);
|
|
return $entries;
|
|
}
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Returns the given DN.
|
|
*
|
|
* @param String $dn DN
|
|
* @param array $attributes list of attributes to fetch
|
|
* @return array attributes or null if not found
|
|
*/
|
|
function ldapGetDN($dn, $attributes = array('dn')) {
|
|
$return = null;
|
|
$sr = @ldap_read($_SESSION['ldap']->server(), escapeDN($dn), 'objectClass=*', $attributes);
|
|
if ($sr) {
|
|
$entries = ldap_get_entries($_SESSION['ldap']->server(), $sr);
|
|
if ($entries) {
|
|
cleanLDAPResult($entries);
|
|
$return = $entries[0];
|
|
}
|
|
@ldap_free_result($sr);
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Returns the parameters for a StatusMessage of the last LDAP search.
|
|
*
|
|
* @return array parameters for StatusMessage or null if all was ok
|
|
*/
|
|
function getLastLDAPError() {
|
|
$errorNumber = ldap_errno($_SESSION["ldap"]->server());
|
|
switch ($errorNumber) {
|
|
// all ok
|
|
case 0:
|
|
return null;
|
|
break;
|
|
// size limit exceeded
|
|
case 4:
|
|
$error = array("WARN", _("LDAP sizelimit exceeded, not all entries are shown."));
|
|
if ($_SESSION['config']->get_searchLimit() == 0) {
|
|
// server limit exceeded
|
|
$error[] = _("See the manual for instructions to solve this problem.");
|
|
}
|
|
return $error;
|
|
break;
|
|
// other errors
|
|
default:
|
|
return array("ERROR", _("LDAP search failed! Please check your preferences."), ldap_error($_SESSION["ldap"]->server()));
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Cleans the result of an LDAP search.
|
|
* This will remove all 'count' entries and also all numeric array keys.
|
|
*
|
|
* @param array $entries LDAP entries in format $entries[entry number][attribute name][attribute values]
|
|
*/
|
|
function cleanLDAPResult(&$entries) {
|
|
if (isset($entries['count'])) {
|
|
unset($entries['count']);
|
|
}
|
|
// iterate over all results
|
|
$count = sizeof($entries);
|
|
for ($e = 0; $e < $count; $e++) {
|
|
// remove 'count' entries and numerical entries
|
|
for ($i = 0; $i < $entries[$e]['count']; $i++) {
|
|
if (isset($entries[$e][$i])) {
|
|
unset($entries[$e][$i]);
|
|
}
|
|
}
|
|
unset($entries[$e]['count']);
|
|
$attrNames = array_keys($entries[$e]);
|
|
$attrCount = sizeof($attrNames);
|
|
for ($i = 0; $i < $attrCount; $i++) {
|
|
if (is_array($entries[$e][$attrNames[$i]])) {
|
|
unset($entries[$e][$attrNames[$i]]['count']);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Transforms a DN into a more user friendly format.
|
|
* E.g. "dc=company,dc=de" is transformed to "company > de".
|
|
*
|
|
* @param String $dn DN
|
|
* @return String transformed DN
|
|
*/
|
|
function getAbstractDN($dn) {
|
|
if ($dn == '') {
|
|
return '';
|
|
}
|
|
$parts = explode(',', $dn);
|
|
for ($i = 0; $i < sizeof($parts); $i++) {
|
|
$subparts = explode('=', $parts[$i]);
|
|
if (sizeof($subparts) == 2) {
|
|
$parts[$i] = $subparts[1];
|
|
}
|
|
}
|
|
return implode(' > ', $parts);
|
|
}
|
|
|
|
/**
|
|
* Helper function to sort DNs.
|
|
*
|
|
* @param string $a first argument to compare
|
|
* @param string $b second argument to compare
|
|
* @return integer 0 if equal, 1 if $a is greater, -1 if $b is greater
|
|
*/
|
|
function compareDN($a, $b) {
|
|
// split DNs
|
|
$array_a = explode(",", $a);
|
|
$array_b = explode(",", $b);
|
|
$len_a = sizeof($array_a);
|
|
$len_b = sizeof($array_b);
|
|
// check how many parts to compare
|
|
$len = min($len_a, $len_b);
|
|
// compare from last part on
|
|
for ($i = 0; $i < $len; $i++) {
|
|
// get parts to compare
|
|
$part_a = strtolower($array_a[$len_a - $i - 1]);
|
|
$part_b = strtolower($array_b[$len_b - $i - 1]);
|
|
// compare parts
|
|
if ($part_a == $part_b) { // part is identical
|
|
if ($i == ($len - 1)) {
|
|
if ($len_a > $len_b) return 1;
|
|
elseif ($len_a < $len_b) return -1;
|
|
else return 0; // DNs are identical
|
|
}
|
|
}
|
|
elseif ($part_a == max($part_a, $part_b)) return 1;
|
|
else return -1;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* Formats an LDAP time string (e.g. from createTimestamp).
|
|
*
|
|
* @return String formated time
|
|
*/
|
|
function formatLDAPTimestamp($time) {
|
|
return substr($time, 6, 2) . '.' . substr($time, 4, 2) . '.' . substr($time, 0, 4) .
|
|
' ' . substr($time, 8, 2) . ':' . substr($time, 10, 2) . ':' . substr($time, 12, 2) . ' GMT';
|
|
}
|
|
|
|
/**
|
|
* Simple function to obfuscate strings.
|
|
*
|
|
* @param String $text text to obfuscate
|
|
*/
|
|
function obfuscateText($text) {
|
|
if (($text == null) || ($text == '')) {
|
|
return $text;
|
|
}
|
|
return str_rot13(base64_encode('LAM_OBFUSCATE:'.$text));
|
|
}
|
|
|
|
/**
|
|
* Simple function to deobfuscate strings.
|
|
*
|
|
* @param String $text text to deobfuscate
|
|
*/
|
|
function deobfuscateText($text) {
|
|
if (($text == null) || ($text == '')) {
|
|
return $text;
|
|
}
|
|
return str_replace('LAM_OBFUSCATE:', '', base64_decode(str_rot13($text)));
|
|
}
|
|
|
|
/**
|
|
* Checks if the given text is obfuscated.
|
|
*
|
|
* @param String $text text to check
|
|
* @return boolean obfuscated or not
|
|
*/
|
|
function isObfuscatedText($text) {
|
|
if (($text == null) || ($text == '')) {
|
|
return false;
|
|
}
|
|
$deob = base64_decode(str_rot13($text));
|
|
if (strpos($deob, 'LAM_OBFUSCATE:') === 0) {
|
|
return true;
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
?>
|