1867 lines
52 KiB
PHP
1867 lines
52 KiB
PHP
<?php
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/*
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This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
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Copyright (C) 2003 - 2006 Tilo Lutz
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2009 - 2020 Roland Gruber
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* This provides several helper function for the account modules.
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*
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* @author Tilo Lutz
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* @author Roland Gruber
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*
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* @package lib
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*/
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/**
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* This function will return all values from $array without values of $values.
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*
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* @param array $values list of values which should be removed
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* @param array $array list of original values
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* @return array list of remaining values
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*/
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function array_delete($values, $array) {
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// Loop for every entry and check if it should be removed
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if (is_array($array)) {
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$return = array();
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foreach ($array as $array_value) {
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if (!@in_array($array_value, $values)) {
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$return[] = $array_value;
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}
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}
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return $return;
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}
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return array();
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}
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/**
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* Checks if a string exists in an array, ignoring case.
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*
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* @param String $needle search string
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* @param array $haystack array
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*/
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function in_array_ignore_case($needle, $haystack) {
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if (!is_array($haystack)) {
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return false;
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}
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if (!is_string($needle)) {
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return false;
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}
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foreach ($haystack as $element) {
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if( is_string( $element ) && 0 == strcasecmp( $needle, $element ) ) {
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return true;
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}
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}
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return false;
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}
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/**
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* This function will return the days from 1.1.1970 until now.
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*
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* @return number of days
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*/
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function getdays() {
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$days = time() / 86400;
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settype($days, 'integer');
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return $days;
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}
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/**
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* Takes a list of Samba flags and creates the corresponding flag string.
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*
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* @param array $input is an array of Samba flags (e.g. X or D)
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* @return string Samba flag string
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*/
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function smbflag($input) {
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// Start character
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$flag = "[";
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// Add Options
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if ($input['W']) {
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$flag .= "W";
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}
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else {
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$flag .= "U";
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}
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if ($input['D']) {
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$flag .= "D";
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}
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if ($input['X']) {
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$flag .= "X";
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}
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if ($input['N']) {
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$flag .= "N";
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}
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if ($input['S']) {
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$flag .= "S";
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}
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if ($input['H']) {
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$flag .= "H";
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}
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// Expand string to fixed length
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$flag = str_pad($flag, 12);
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// End character
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return $flag . "]";
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}
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/**
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* Generates the LM hash of a password.
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*
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* @param string password original password
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* @return string password hash
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*/
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function lmPassword($password) {
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// Needed to calculate Samba passwords
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include_once(__DIR__ . "/createntlm.inc");
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// get hash
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$hash = new smbHash();
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return $hash->lmhash($password);
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}
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/**
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* Generates the NT hash of a password.
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*
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* @param string password original password
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* @return string password hash
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*/
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function ntPassword($password) {
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// Needed to calculate Samba passwords
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include_once(__DIR__ . "/createntlm.inc");
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// get hash
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$hash = new smbHash();
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return $hash->nthash($password);
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}
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/**
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* Returns the hash value of a plain text password.
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* @see getSupportedHashTypes()
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*
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* @param string $password the password string
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* @param boolean $enabled marks the hash as enabled/disabled (e.g. by prefixing "!")
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* @param string $hashType password hash type (CRYPT, CRYPT-SHA512, SHA, SSHA, MD5, SMD5, PLAIN, K5KEY)
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* @return string the password hash
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*/
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function pwd_hash($password, $enabled = true, $hashType = 'SSHA') {
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// check for empty password
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if (! $password || ($password == "")) {
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return "";
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}
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$hash = "";
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switch ($hashType) {
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case 'CRYPT':
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$hash = "{CRYPT}" . crypt($password, generateSalt(2));
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break;
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case 'CRYPT-SHA512':
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$hash = "{CRYPT}" . crypt($password, '$6$' . generateSalt(16));
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break;
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case 'MD5':
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$hash = "{MD5}" . base64_encode(hex2bin(md5($password)));
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break;
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case 'SMD5':
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$salt = generateSalt(4);
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$hash = "{SMD5}" . base64_encode(hex2bin(md5($password . $salt)) . $salt);
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break;
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case 'SHA':
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$hash = "{SHA}" . base64_encode(hex2bin(sha1($password)));
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break;
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case 'PLAIN':
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$hash = $password;
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break;
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case 'K5KEY':
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$hash = '{K5KEY}';
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break;
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case 'SSHA':
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default: // use SSHA if the setting is invalid
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$salt = generateSalt(4);
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$hash = "{SSHA}" . base64_encode(hex2bin(sha1($password . $salt)) . $salt);
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break;
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}
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// enable/disable password
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if (!$enabled) {
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return pwd_disable($hash);
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}
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return $hash;
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}
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/**
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* Returns the list of supported hash types (e.g. SSHA).
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*
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* @return array hash types
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*/
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function getSupportedHashTypes() {
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$hashes = array('CRYPT', 'CRYPT-SHA512', 'SHA', 'SSHA', 'MD5', 'SMD5', 'PLAIN', 'SASL', 'K5KEY');
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if (version_compare(phpversion(), '7.2.0') >= 0) {
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$hashes[] = 'LDAP_EXOP';
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}
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return $hashes;
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}
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/**
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* Calculates a password salt of the given length.
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*
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* @param int $len salt length
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* @return String the salt string
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*
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*/
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function generateSalt($len) {
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$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890./';
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$salt = '';
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for ($i = 0; $i < $len; $i++) {
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$pos = abs(getRandomNumber() % strlen($chars));
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$salt .= $chars[$pos];
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}
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return $salt;
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}
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/**
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* Marks an password hash as enabled and returns the new hash string
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*
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* @param string $hash hash value to enable
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* @return string enabled password hash
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*/
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function pwd_enable($hash) {
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// check if password is disabled (old wrong LAM method)
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if ((substr($hash, 0, 2) == "!{") || (substr($hash, 0, 2) == "*{")) {
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return substr($hash, 1, strlen($hash));
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}
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// check for "!" or "*" at beginning of password hash
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else {
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if (substr($hash, 0, 1) == "{") {
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$pos = strpos($hash, "}");
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if ((substr($hash, $pos + 1, 1) == "!") || (substr($hash, $pos + 1, 1) == "*")) {
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// enable hash
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return substr($hash, 0, $pos + 1) . substr($hash, $pos + 2, strlen($hash));
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}
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else {
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return $hash; // not disabled
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}
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}
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else {
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return $hash; // password is plain text
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}
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}
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}
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/**
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* Marks an password hash as disabled and returns the new hash string
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*
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* @param string $hash hash value to disable
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* @return string disabled hash value
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*/
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function pwd_disable($hash) {
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// check if password is disabled (old wrong LAM method)
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if ((substr($hash, 0, 2) == "!{") || (substr($hash, 0, 2) == "*{")) {
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return $hash;
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}
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// check for "!" or "*" at beginning of password hash
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else {
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if (substr($hash, 0, 1) == "{") {
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$pos = strpos($hash, "}");
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if ((substr($hash, $pos + 1, 1) == "!") || (substr($hash, $pos + 1, 1) == "*")) {
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// hash already disabled
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return $hash;
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}
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else {
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return substr($hash, 0, $pos + 1) . "!" . substr($hash, $pos + 1, strlen($hash)); // not disabled
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}
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}
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else {
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return $hash; // password is plain text
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}
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}
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}
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/**
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* Checks if a Unix password can be locked.
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* This checks if the password is not plain text but e.g. contains {SSHA}.
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*
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* @param String $password password value
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* @return boolean can be locked
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*/
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function pwd_is_lockable($password) {
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if (($password == null) || (strlen($password) < 5)) {
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return false;
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}
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// SASL is not lockable
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if (strpos($password, '{SASL}') === 0) {
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return false;
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}
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return ((substr($password, 0, 1) == "{") || (substr($password, 1, 1) == "{")) && (strpos($password, "}") > 3);
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}
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/**
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* Checks if a password hash is enabled/disabled
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*
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* @param string $hash password hash to check
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* @return boolean true if the password is marked as enabled
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*/
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function pwd_is_enabled($hash) {
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// disabled passwords have a "!" or "*" at the beginning (old wrong LAM method)
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if ((substr($hash, 0, 2) == "!{") || (substr($hash, 0, 2) == "*{")) {
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return false;
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}
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if (substr($hash, 0, 1) == "{") {
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$pos = strrpos($hash, "}");
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// check if hash starts with "!" or "*"
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return ((substr($hash, $pos + 1, 1) !== "!") && (substr($hash, $pos + 1, 1) !== "*"));
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}
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else {
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return true;
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}
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}
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/**
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* Generates a random password with 12 digits by default.
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*
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* @param int $length length of password (defaults to 12)
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* @return String password
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*/
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function generateRandomPassword($length = 12) {
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$list = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.-_';
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$password = '';
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$minLength = $_SESSION['cfgMain']->passwordMinLength;
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if ($minLength > $length) {
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$length = $minLength;
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}
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for ($x = 0; $x < 10000; $x++) {
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$password = '';
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for ($i = 0; $i < $length; $i++) {
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$rand = abs(getRandomNumber() % 65);
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$password .= $list[$rand];
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}
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if (checkPasswordStrength($password, null, null) === true) {
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break;
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}
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}
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return $password;
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}
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/**
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* Checks if the given password matches the crypto hash.
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*
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* @param String type hash type (must be one of getSupportedHashTypes())
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* @param string $hash password hash value
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* @param string $password plain text password to check
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* @return bool hash matches
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* @see getSupportedHashTypes()
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*/
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function checkPasswordHash($type, $hash, $password) {
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switch ($type) {
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case 'SSHA':
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$bin = base64_decode($hash);
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$salt = substr($bin, 20);
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$pwdHash = base64_encode(hex2bin(sha1($password . $salt)) . $salt);
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return (strcmp($hash, $pwdHash) == 0);
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break;
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case 'SHA':
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return (strcmp($hash, base64_encode(hex2bin(sha1($password)))) == 0);
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break;
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case 'SMD5':
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$bin = base64_decode($hash);
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$salt = substr($bin, 16);
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$pwdHash = base64_encode(hex2bin(md5($password . $salt)) . $salt);
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return (strcmp($hash, $pwdHash) == 0);
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break;
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case 'MD5':
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return (strcmp($hash, base64_encode(hex2bin(md5($password)))) == 0);
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break;
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case 'CRYPT':
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$parts = explode('$', $hash);
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if (sizeof($parts) == 4) {
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$version = $parts[1];
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$salt = $parts[2];
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$pwdHash = crypt($password, '$' . $version . '$' . $salt);
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return (strcmp($hash, $pwdHash) == 0);
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}
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elseif (sizeof($parts) == 5) {
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$version = $parts[1];
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$rounds = $parts[2];
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$salt = $parts[3];
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$pwdHash = crypt($password, '$' . $version . '$' . $rounds . '$' . $salt);
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return (strcmp($hash, $pwdHash) == 0);
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}
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return false;
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break;
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default:
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return false;
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}
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return false;
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}
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/**
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* Returns an array with all Samba 3 domain entries under the given suffix
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*
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* @param handle LDAP handle (if null then $_SESSION['ldap']->server() is used)
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* @param String $suffix LDAP suffix to search (if null then $_SESSION['config']->get_Suffix('smbDomain') is used)
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* @return array list of samba3domain objects
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*/
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function search_domains($server = null, $suffix = null) {
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if ($suffix == null) {
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$suffix = $_SESSION['config']->get_Suffix('smbDomain');
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}
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$ret = array();
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$attr = array("DN", "sambaDomainName", "sambaSID", "sambaNextRid", "sambaNextGroupRid",
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"sambaNextUserRid", "sambaAlgorithmicRidBase", 'sambaMinPwdAge', 'sambaMaxPwdAge',
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'sambaPwdHistoryLength'
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);
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if ($server == null) {
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$server = $_SESSION['ldap']->server();
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}
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$filter = '(objectclass=sambaDomain)';
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$units = searchLDAPPaged($server, $suffix, $filter, $attr, false, 0);
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// extract attributes
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for ($i = 0; $i < sizeof($units); $i++) {
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$ret[$i] = new samba3domain();
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$ret[$i]->dn = $units[$i]['dn'];
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$ret[$i]->name = $units[$i]['sambadomainname'][0];
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$ret[$i]->SID = $units[$i]['sambasid'][0];
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if (isset($units[$i]['sambanextrid'][0])) {
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$ret[$i]->nextRID = $units[$i]['sambanextrid'][0];
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}
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if (isset($units[$i]['sambanextgrouprid'][0])) {
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$ret[$i]->nextGroupRID = $units[$i]['sambanextgrouprid'][0];
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}
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if (isset($units[$i]['sambanextuserrid'][0])) {
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$ret[$i]->nextUserRID = $units[$i]['sambanextuserrid'][0];
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}
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if (isset($units[$i]['sambaalgorithmicridbase'][0])) {
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$ret[$i]->RIDbase = $units[$i]['sambaalgorithmicridbase'][0];
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}
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if (isset($units[$i]['sambaminpwdage'][0])) {
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$ret[$i]->minPwdAge = $units[$i]['sambaminpwdage'][0];
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}
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if (isset($units[$i]['sambamaxpwdage'][0])) {
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$ret[$i]->maxPwdAge = $units[$i]['sambamaxpwdage'][0];
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}
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if (isset($units[$i]['sambapwdhistorylength'][0])) {
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$ret[$i]->pwdHistoryLength = $units[$i]['sambapwdhistorylength'][0];
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}
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}
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return $ret;
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}
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|
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/**
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* Represents a Samba 3 domain entry
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*
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* @package modules
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*/
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class samba3domain {
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/** DN */
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public $dn;
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/** Domain name */
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public $name;
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/** Domain SID */
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public $SID;
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/** Next RID */
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public $nextRID;
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/** Next user RID */
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public $nextUserRID;
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/** Next group RID */
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public $nextGroupRID;
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/** RID base to calculate RIDs, default 1000 */
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public $RIDbase = 1000;
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/** seconds after the password can be changed */
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public $minPwdAge;
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/** seconds after the password must be changed */
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public $maxPwdAge;
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/** password history length */
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public $pwdHistoryLength;
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}
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/**
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* Checks if a given value matches the selected regular expression.
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*
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* @param string $argument value to check
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* @param string $regexp pattern name
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* @return boolean true if matches, otherwise false
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*/
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function get_preg($argument, $regexp) {
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/* Bug in php preg_match doesn't work correct with utf8 */
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$language = $_SESSION['language'];
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$language2 = explode ('.', $language);
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setlocale(LC_ALL, $language2[0]);
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// First we check "positive" cases
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$pregexpr = '';
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switch ($regexp) {
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case 'password':
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$pregexpr = '/^([[:alnum:]\\^\\ \\|\\#\\*\\,\\.\\;\\:\\_\\+\\!\\%\\&\\/\\?\\{\\(\\)\\}\\[\\]\\$§°@=-])*$/u';
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break;
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case 'groupname': // all letters, numbers, space and ._- are allowed characters
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case 'username':
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case 'hostname':
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$pregexpr = '/^([[:alnum:]%#@\\.\\ \\_\\$-])+$/u';
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break;
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case 'krbUserName':
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$pregexpr = '/^([[:alnum:]#@\\/\\.\\ \\_\\$-])+$/u';
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|
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 'kolabEmailPrefix':
|
|
$pregexpr = '/^([-])?([0-9a-zA-Z+\\/\\._-])*([@]([0-9a-zA-Z\\.-])*)?$/';
|
|
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 "float": // float value
|
|
$pregexpr = '/^[[:digit:]]+(\\.[[:digit:]]+)?$/';
|
|
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': // 31-12-2012
|
|
$pregexpr = '/^((0?[1-9])|([1-2][0-9])|30|31)\\-((0?[1-9])|(1[0-2]))\\-[1-3][0-9][0-9][0-9]$/';
|
|
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 'dateTime':
|
|
$pregexpr = '/^[1-3][0-9][0-9][0-9]\\-((0[1-9])|(1[0-2]))\\-((0[1-9])|([1-2][0-9])|30|31) ((0[0-9])|([1][0-9])|20|21|22|23):((0[0-9])|([1-5][0-9])):((0[0-9])|([1-5][0-9]))$/';
|
|
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 'ip6': // IPv6 address (only basic check)
|
|
$pregexpr = '/^[0-9a-f:]+$/i';
|
|
break;
|
|
case 'ascii': // ASCII
|
|
$pregexpr = '/^[' . chr(1) . '-' . chr(128) . ']*$/';
|
|
break;
|
|
case 'objectClass':
|
|
$pregexpr = '/^[[:alnum:]_-]+$/';
|
|
break;
|
|
case 'quotaNumber':
|
|
$pregexpr = '/^[[:digit:]]+[KMGTkmgt]?$/';
|
|
break;
|
|
case 'hostAndPort':
|
|
$pregexpr = '/^[[:alnum:]\\._-]+:[[:digit:]]+$/';
|
|
break;
|
|
}
|
|
if (($pregexpr != '') && preg_match($pregexpr, $argument)) {
|
|
/* Bug in php preg_match doesn't work correct with utf8 */
|
|
setlocale(LC_ALL, $language);
|
|
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 != '') && !preg_match($pregexpr, $argument)) {
|
|
/* Bug in php preg_match doesn't work correct with utf8 */
|
|
setlocale(LC_ALL, $language);
|
|
return true;
|
|
}
|
|
/* Bug in php preg_match doesn't work correct with utf8 */
|
|
setlocale(LC_ALL, $language);
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Escapes any special characters in an LDAP DN.
|
|
*
|
|
* @param String $dn DN
|
|
* @return String escaped DN
|
|
*/
|
|
function escapeDN($dn) {
|
|
return str_replace(
|
|
array(')', '(', ' ', '*'),
|
|
array('\\29', '\\28', '\\20', '\\2a'),
|
|
$dn
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Escapes special characters in RDN part.
|
|
*
|
|
* @param string $rdn RDN
|
|
*/
|
|
function escapeRDN($rdn) {
|
|
return str_replace(
|
|
array(','),
|
|
array('\\2C'),
|
|
$rdn);
|
|
}
|
|
|
|
/**
|
|
* Converts the comma escaping from Windows to OpenLDAP style.
|
|
*
|
|
* @param string $dn DN
|
|
* @return string DN
|
|
*/
|
|
function convertCommaEscaping($dn) {
|
|
return str_replace(
|
|
array('\\,'),
|
|
array('\\2C'),
|
|
$dn);
|
|
}
|
|
|
|
/**
|
|
* Connects to an LDAP server using the given URL.
|
|
*
|
|
* @param string $serverURL URL
|
|
*/
|
|
function connectToLDAP($serverURL, $startTLS) {
|
|
$server = ldap_connect($serverURL);
|
|
if (!$server) {
|
|
return null;
|
|
}
|
|
if (defined('LDAP_OPT_X_TLS_CACERTFILE')) {
|
|
$cfgMain = new LAMCfgMain();
|
|
$certificates = $cfgMain->getSSLCaCertificates();
|
|
if (!empty($certificates)) {
|
|
ldap_set_option($server, LDAP_OPT_X_TLS_CACERTFILE, $cfgMain->getSSLCaCertPath());
|
|
}
|
|
}
|
|
// use LDAPv3
|
|
ldap_set_option($server, LDAP_OPT_PROTOCOL_VERSION, 3);
|
|
// start TLS if possible
|
|
if ($startTLS) {
|
|
ldap_start_tls($server);
|
|
if (ldap_errno($server) != 0) {
|
|
ldap_close($server);
|
|
logNewMessage(LOG_ERR, 'Unable to start TLS encryption. Please check if your server certificate is valid and if the LDAP server supports TLS at all.');
|
|
return null;
|
|
}
|
|
}
|
|
return $server;
|
|
}
|
|
|
|
/**
|
|
* 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[] = '(' . $name . '=' . ldap_escape($value, '*', LDAP_ESCAPE_FILTER) . ')';
|
|
}
|
|
if ($objectClass != null) {
|
|
$filterParts[] = '(objectClass=' . $objectClass . ')';
|
|
}
|
|
if (sizeof($filterParts) == 1) {
|
|
$filter = $filterParts[0];
|
|
}
|
|
elseif (sizeof($filterParts) > 1) {
|
|
$filter = '(& ' . implode(' ', $filterParts) . ')';
|
|
}
|
|
$typeManager = new \LAM\TYPES\TypeManager();
|
|
$activeTypes = $typeManager->getConfiguredTypes();
|
|
foreach ($activeTypes as $type) {
|
|
if (!in_array($type->getScope(), $scopes)) {
|
|
continue; // skip non-active account types
|
|
}
|
|
// search LDAP
|
|
$entries = searchLDAPPaged($_SESSION['ldap']->server(), escapeDN($type->getSuffix()),
|
|
$filter, $attributes, 0, $_SESSION['config']->get_searchLimit());
|
|
if (ldap_errno($_SESSION['ldap']->server()) == 4) {
|
|
logNewMessage(LOG_WARNING, 'LDAP size limit exeeded. Please increase the limit on your server.');
|
|
}
|
|
$return = array_merge($return, $entries);
|
|
}
|
|
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
|
|
* @param boolean $attrsOnly get only attributes but no values (default: false)
|
|
* @return array list of found entries
|
|
*/
|
|
function searchLDAPByFilter($filter, $attributes, $scopes, $attrsOnly = false) {
|
|
$return = array();
|
|
$readAttributesOnly = 0;
|
|
if ($attrsOnly) {
|
|
$readAttributesOnly = 1;
|
|
}
|
|
$typeManager = new \LAM\TYPES\TypeManager();
|
|
$types = $typeManager->getConfiguredTypesForScopes($scopes);
|
|
foreach ($types as $type) {
|
|
// search LDAP
|
|
$entries = searchLDAPPaged($_SESSION['ldap']->server(), escapeDN($type->getSuffix()),
|
|
$filter, $attributes, $readAttributesOnly, $_SESSION['config']->get_searchLimit());
|
|
if (ldap_errno($_SESSION['ldap']->server()) == 4) {
|
|
logNewMessage(LOG_WARNING, 'LDAP size limit exeeded. Please increase the limit on your server.');
|
|
}
|
|
$return = array_merge($return, $entries);
|
|
}
|
|
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) {
|
|
$limit = 0;
|
|
if (!empty($_SESSION['config'])) {
|
|
$limit = $_SESSION['config']->get_searchLimit();
|
|
}
|
|
$return = searchLDAPPaged(getLDAPServerHandle(), escapeDN($suffix), $filter, $attributes,
|
|
0, $limit);
|
|
if (ldap_errno(getLDAPServerHandle()) == 4) {
|
|
logNewMessage(LOG_WARNING, 'LDAP size limit exeeded. Please increase the limit on your server.');
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Returns the LDAP server handle.
|
|
*
|
|
* @return handle LDAP handle
|
|
*/
|
|
function getLDAPServerHandle() {
|
|
if (!empty($_SESSION['ldap'])) {
|
|
// admin pages
|
|
return $_SESSION['ldap']->server();
|
|
}
|
|
else {
|
|
// self service
|
|
return $_SESSION['ldapHandle'];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Runs an LDAP search and uses paging if configured.
|
|
*
|
|
* @param handle $server LDAP connection handle
|
|
* @param String $dn DN
|
|
* @param String $filter filter
|
|
* @param array $attributes attribute list
|
|
* @param boolean $attrsOnly return only attribute names
|
|
* @param int $limit size limit
|
|
*/
|
|
function searchLDAPPaged($server, $dn, $filter, $attributes, $attrsOnly, $limit) {
|
|
if (empty($_SESSION['config']) || ($_SESSION['config']->getPagedResults() !== 'true')) {
|
|
$sr = @ldap_search($server, $dn, $filter, $attributes, $attrsOnly, $limit, 0, LDAP_DEREF_NEVER);
|
|
if ($sr) {
|
|
$entries = ldap_get_entries($server, $sr);
|
|
if (!$entries) {
|
|
return array();
|
|
}
|
|
cleanLDAPResult($entries);
|
|
return $entries;
|
|
}
|
|
else {
|
|
return array();
|
|
}
|
|
}
|
|
$pageSize = 999;
|
|
$cookie = '';
|
|
$return = array();
|
|
do {
|
|
@ldap_control_paged_result($server, $pageSize, true, $cookie);
|
|
$sr = @ldap_search($server, $dn, $filter, $attributes, $attrsOnly, $limit, 0, LDAP_DEREF_NEVER);
|
|
if (!$sr) {
|
|
break;
|
|
}
|
|
$entries = ldap_get_entries($server, $sr);
|
|
if (!$entries) {
|
|
break;
|
|
}
|
|
$return = array_merge($return, $entries);
|
|
@ldap_control_paged_result_response($server, $sr, $cookie);
|
|
} while($cookie !== null && $cookie != '');
|
|
cleanLDAPResult($return);
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Returns the given DN.
|
|
*
|
|
* @param String $dn DN
|
|
* @param array $attributes list of attributes to fetch
|
|
* @param handle $handle LDAP handle (optional for admin interface pages)
|
|
* @return array attributes or null if not found
|
|
*/
|
|
function ldapGetDN($dn, $attributes = array('dn'), $handle = null) {
|
|
if ($handle == null) {
|
|
$handle = getLDAPServerHandle();
|
|
}
|
|
$return = null;
|
|
$sr = @ldap_read($handle, escapeDN($dn), 'objectClass=*', $attributes, 0, 0, 0, LDAP_DEREF_NEVER);
|
|
if ($sr) {
|
|
$entries = ldap_get_entries($handle, $sr);
|
|
if ($entries) {
|
|
cleanLDAPResult($entries);
|
|
$return = $entries[0];
|
|
}
|
|
@ldap_free_result($sr);
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Returns the DN and children of a given DN.
|
|
*
|
|
* @param String $dn DN
|
|
* @param String $filter LDAP filter
|
|
* @param array $attributes list of attributes to fetch
|
|
* @param handle $handle LDAP handle (optional for admin interface pages)
|
|
* @return array attributes or null if not found
|
|
*/
|
|
function ldapListDN($dn, $filter = '(objectclass=*)', $attributes = array('dn'), $handle = null) {
|
|
if ($handle == null) {
|
|
$handle = $_SESSION['ldap']->server();
|
|
}
|
|
$return = null;
|
|
$sr = @ldap_list($handle, escapeDN($dn), $filter, $attributes, 0, 0, 0, LDAP_DEREF_NEVER);
|
|
if ($sr) {
|
|
$entries = ldap_get_entries($handle, $sr);
|
|
if ($entries) {
|
|
cleanLDAPResult($entries);
|
|
$return = $entries;
|
|
}
|
|
@ldap_free_result($sr);
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Deletes a DN and all child entries.
|
|
*
|
|
* @param string $dn DN to delete
|
|
* @param boolean $recursive recursive delete also child entries
|
|
* @return array error messages
|
|
*/
|
|
function deleteDN($dn, $recursive) {
|
|
$errors = array();
|
|
if (($dn == null) || ($dn == '')) {
|
|
$errors[] = array('ERROR', _('Entry does not exist'));
|
|
return $errors;
|
|
}
|
|
if ($recursive) {
|
|
$sr = @ldap_list($_SESSION['ldap']->server(), $dn, 'objectClass=*', array('dn'), 0, 0, 0, LDAP_DEREF_NEVER);
|
|
if ($sr) {
|
|
$entries = ldap_get_entries($_SESSION['ldap']->server(), $sr);
|
|
cleanLDAPResult($entries);
|
|
for ($i = 0; $i < sizeof($entries); $i++) {
|
|
// delete recursively
|
|
$subErrors = deleteDN($entries[$i]['dn'], $recursive);
|
|
for ($e = 0; $e < sizeof($subErrors); $e++) {
|
|
$errors[] = $subErrors[$e];
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
$errors[] = array ('ERROR', sprintf(_('Was unable to delete DN: %s.'), $dn), getDefaultLDAPErrorString($_SESSION['ldap']->server()));
|
|
return $errors;
|
|
}
|
|
}
|
|
// delete parent DN
|
|
$success = @ldap_delete($_SESSION['ldap']->server(), $dn);
|
|
if (!$success) {
|
|
logNewMessage(LOG_ERR, 'Unable to delete DN: ' . $dn . ' (' . ldap_error($_SESSION['ldap']->server()) . ').');
|
|
$errors[] = array ('ERROR', sprintf(_('Was unable to delete DN: %s.'), $dn), getDefaultLDAPErrorString($_SESSION['ldap']->server()));
|
|
}
|
|
else {
|
|
logNewMessage(LOG_NOTICE, 'Deleted DN: ' . $dn);
|
|
}
|
|
return $errors;
|
|
}
|
|
|
|
/**
|
|
* 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 '';
|
|
}
|
|
$dn = str_replace('\\,', '\\2C', $dn);
|
|
$parts = explode(',', $dn);
|
|
for ($i = 0; $i < sizeof($parts); $i++) {
|
|
$subparts = explode('=', $parts[$i]);
|
|
if (sizeof($subparts) == 2) {
|
|
$parts[$i] = $subparts[1];
|
|
}
|
|
}
|
|
$abstractDn = implode(' > ', $parts);
|
|
return str_replace(array('\\2C', '\\,'), array(',', ','), $abstractDn);
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
$array_a = explode(",", strtolower($a));
|
|
$array_b = explode(",", strtolower($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 = $array_a[$len_a - $i - 1];
|
|
$part_a = explode('=', $part_a);
|
|
$part_a = isset($part_a[1]) ? $part_a[1] : $part_a[0];
|
|
$part_b = $array_b[$len_b - $i - 1];
|
|
$part_b = explode('=', $part_b);
|
|
$part_b = isset($part_b[1]) ? $part_b[1] : $part_b[0];
|
|
// compare parts
|
|
if ($part_a == $part_b) { // part is identical
|
|
if ($i == ($len - 1)) {
|
|
if ($len_a > $len_b) {
|
|
return 1;
|
|
}
|
|
elseif ($len_a < $len_b) {
|
|
return -1;
|
|
}
|
|
else {
|
|
return 0; // DNs are identical
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
return strnatcasecmp($part_a, $part_b);
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* Formats an LDAP time string (e.g. from createTimestamp).
|
|
*
|
|
* @param String $time LDAP time value
|
|
* @return String formatted time
|
|
*/
|
|
function formatLDAPTimestamp($time) {
|
|
$dateTime = parseLDAPTimestamp($time);
|
|
return $dateTime->format('d.m.Y H:i:s');
|
|
}
|
|
|
|
/**
|
|
* Parses an LDAP time stamp and returns a DateTime in current time zone.
|
|
*
|
|
* @param String $time LDAP time value
|
|
* @return DateTime time
|
|
*/
|
|
function parseLDAPTimestamp($time) {
|
|
// Windows format: 20140118093807.0Z
|
|
// OpenLDAP format: 20140118093807Z
|
|
// cut off "Z"
|
|
$timeNumbers = substr($time, 0, -1);
|
|
// for Windows cut off ".0"
|
|
if (strpos($timeNumbers, '.') == (strlen($timeNumbers) - 2)) {
|
|
$timeNumbers = substr($timeNumbers, 0, -2);
|
|
}
|
|
$dateTime = DateTime::createFromFormat('YmdHis', $timeNumbers, new DateTimeZone('UTC'));
|
|
$dateTime->setTimezone(getTimeZone());
|
|
return $dateTime;
|
|
}
|
|
|
|
/**
|
|
* 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 $text;
|
|
}
|
|
if (!isObfuscatedText($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));
|
|
return (strpos($deob, 'LAM_OBFUSCATE:') === 0);
|
|
}
|
|
|
|
/**
|
|
* Extracts the RDN attribute name from a given DN.
|
|
*
|
|
* @param String $dn DN
|
|
* @return String RDN attribute name
|
|
*/
|
|
function extractRDNAttribute($dn) {
|
|
if ($dn == null) {
|
|
return null;
|
|
}
|
|
$parts = explode("=", substr($dn, 0, strpos($dn, ',')));
|
|
return $parts[0];
|
|
}
|
|
|
|
/**
|
|
* Extracts the RDN attribute value from a given DN.
|
|
*
|
|
* @param String $dn DN
|
|
* @return String RDN attribute value
|
|
*/
|
|
function extractRDNValue($dn) {
|
|
if (empty($dn)) {
|
|
return null;
|
|
}
|
|
if (strpos($dn, '=') === false) {
|
|
return $dn;
|
|
}
|
|
$dnWork = $dn;
|
|
if (strpos($dnWork, ',') !== false) {
|
|
$dnWork = substr($dn, 0, strpos($dnWork, ','));
|
|
}
|
|
$parts = explode("=", $dnWork);
|
|
return $parts[1];
|
|
}
|
|
|
|
/**
|
|
* Extracts the DN suffix from a given DN.
|
|
* E.g. ou=people,dc=test,dc=com will result in dc=test,dc=com.
|
|
*
|
|
* @param String $dn DN
|
|
* @return String DN suffix
|
|
*/
|
|
function extractDNSuffix($dn) {
|
|
if ($dn == null) {
|
|
return null;
|
|
}
|
|
$dn = convertCommaEscaping($dn);
|
|
return substr($dn, strpos($dn, ',')+1);
|
|
}
|
|
|
|
/**
|
|
* Sends the password mail.
|
|
*
|
|
* @param String $pwd new password
|
|
* @param array $user LDAP attributes of user
|
|
* @param String $recipient recipient address (optional, $user['mail'][0] used by default)
|
|
* @return array list of arrays that can be used to create status messages
|
|
*/
|
|
function sendPasswordMail($pwd, $user, $recipient = null) {
|
|
$user = array_change_key_case($user, CASE_LOWER);
|
|
// read mail data
|
|
$mailTo = $user['mail'][0];
|
|
if (!empty($recipient)) {
|
|
$mailTo = $recipient;
|
|
}
|
|
if (empty($mailTo)) {
|
|
logNewMessage(LOG_ERR, 'Unable to send password mail, no TO address set.');
|
|
return array(
|
|
array('ERROR', _('Unable to send mail!'))
|
|
);
|
|
}
|
|
$mailFrom = $_SESSION['config']->getLamProMailFrom();
|
|
$mailReplyTo = $_SESSION['config']->getLamProMailReplyTo();
|
|
$mailSubject = $_SESSION['config']->getLamProMailSubject();
|
|
$mailText = $_SESSION['config']->getLamProMailText();
|
|
$mailIsHTML = $_SESSION['config']->getLamProMailIsHTML();
|
|
$subject = $mailSubject;
|
|
$body = $mailText;
|
|
$body = str_replace('@@newPassword@@', $pwd, $body);
|
|
$results = array();
|
|
$found = preg_match('/\@\@[^\@]+\@\@/', $body, $results);
|
|
while ($found == 1) {
|
|
$attr = str_replace('@', '', $results[0]);
|
|
$value = '';
|
|
if (isset($user[strtolower($attr)][0])) {
|
|
if (is_array($user[strtolower($attr)])) {
|
|
$value = $user[strtolower($attr)][0];
|
|
}
|
|
else {
|
|
$value = $user[strtolower($attr)];
|
|
}
|
|
}
|
|
$body = str_replace('@@' . $attr . '@@', $value, $body);
|
|
$found = preg_match('/\@\@[^\@]+\@\@/', $body, $results);
|
|
}
|
|
$success = sendEMail($mailTo, $subject, $body, $mailFrom, ($mailIsHTML == 'true'), $mailReplyTo);
|
|
if ($success) {
|
|
logNewMessage(LOG_DEBUG, 'Sent password mail to ' . $mailTo);
|
|
return array(
|
|
array('INFO', sprintf(_('Mail successfully sent to %s.'), htmlspecialchars($mailTo)))
|
|
);
|
|
}
|
|
else {
|
|
logNewMessage(LOG_ERR, 'Unable to send password mail to ' . htmlspecialchars($mailTo));
|
|
return array(
|
|
array('ERROR', _('Unable to send mail!'))
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sends out an email.
|
|
*
|
|
* @param String $to TO address
|
|
* @param String $subject email subject
|
|
* @param String $text mail body (with \r\n EOL)
|
|
* @param String $from FROM address
|
|
* @param bool $isHTML HTML format
|
|
* @param String $replyTo REPLY-TO address (optional)
|
|
* @param String $cc CC address (optional)
|
|
* @param String $bcc BCC address (optional)
|
|
*/
|
|
function sendEMail($to, $subject, $text, $from, $isHTML, $replyTo = null, $cc = null, $bcc = null) {
|
|
include_once __DIR__ . '/3rdParty/composer/autoload.php';
|
|
$returnPath = ($replyTo === null) ? $from : $replyTo;
|
|
$returnPathParsed = PHPMailer\PHPMailer\PHPMailer::parseAddresses($returnPath);
|
|
logNewMessage(LOG_DEBUG, "Send mail to $to\n" . $text);
|
|
$mailer = new PHPMailer\PHPMailer\PHPMailer(true);
|
|
try {
|
|
$cfgMain = $_SESSION['cfgMain'];
|
|
if (!empty($cfgMain->mailServer)) {
|
|
$mailer->isSMTP();
|
|
$serverParts = explode(':', $cfgMain->mailServer);
|
|
$mailer->Host = $serverParts[0];
|
|
$mailer->Port = $serverParts[1];
|
|
if (!empty($cfgMain->mailUser)) {
|
|
$mailer->SMTPAuth = true;
|
|
$mailer->Username = $cfgMain->mailUser;
|
|
$mailer->Password = $cfgMain->mailPassword;
|
|
$mailer->SMTPSecure = PHPMailer\PHPMailer\PHPMailer::ENCRYPTION_STARTTLS;
|
|
}
|
|
}
|
|
$mailer->CharSet = PHPMailer\PHPMailer\PHPMailer::CHARSET_UTF8;
|
|
$mailer->addAddress($to);
|
|
$mailer->Subject = $subject;
|
|
$mailer->Body = $text;
|
|
$mailer->Sender = $returnPathParsed[0]['address'];
|
|
$fromParsed = PHPMailer\PHPMailer\PHPMailer::parseAddresses($from);
|
|
$mailer->setFrom($fromParsed[0]['address'], $fromParsed[0]['name']);
|
|
$mailer->isHTML($isHTML);
|
|
if (!empty($replyTo)) {
|
|
$replyToParsed = PHPMailer\PHPMailer\PHPMailer::parseAddresses($replyTo);
|
|
$mailer->addReplyTo($replyToParsed[0]['address'], $replyToParsed[0]['name']);
|
|
}
|
|
if (!empty($cc)) {
|
|
$ccParsed = PHPMailer\PHPMailer\PHPMailer::parseAddresses($cc);
|
|
$mailer->addCC($ccParsed[0]['address'], $ccParsed[0]['name']);
|
|
}
|
|
if (!empty($bcc)) {
|
|
$bccParsed = PHPMailer\PHPMailer\PHPMailer::parseAddresses($bcc);
|
|
$mailer->addBCC($bccParsed[0]['address'], $bccParsed[0]['name']);
|
|
}
|
|
$mailer->XMailer = 'LDAP Account Manager';
|
|
$mailer->send();
|
|
return true;
|
|
}
|
|
catch (Exception $e) {
|
|
logNewMessage(LOG_ERR, 'Mail sending failed: ' . $e->getMessage());
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks if an email address is safe for use on commandline
|
|
*
|
|
* @param $address email address
|
|
* @return bool is safe
|
|
*/
|
|
function isCommandlineSafeEmailAddress($address) {
|
|
$cmdEscaped = escapeshellcmd($address);
|
|
$argEscaped = escapeshellarg($address);
|
|
if (($address !== $cmdEscaped) || ("'$address'" !== $argEscaped)) {
|
|
return false;
|
|
}
|
|
$addressLength = strlen($address);
|
|
$allowedSpecialChars = array('@', '_', '-', '.');
|
|
for ($i = 0; $i < $addressLength; $i++) {
|
|
$char = $address[$i];
|
|
if (!ctype_alnum($char) && !in_array($char, $allowedSpecialChars)) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Caches module objects.
|
|
* This improves performance if the same module does not need to be created multiple times (calling get_metaData() each time).
|
|
*
|
|
* @author Roland Gruber
|
|
*/
|
|
class moduleCache {
|
|
|
|
/** module cache ("name:scope" => module) */
|
|
private static $cache = array();
|
|
|
|
/**
|
|
* Returns a new/cached module with the given name and scope.
|
|
*
|
|
* @param String $name module name
|
|
* @param String $scope module scope (e.g. user)
|
|
*/
|
|
public static function getModule($name, $scope) {
|
|
if (isset(self::$cache[$name . ':' . $scope])) {
|
|
return self::$cache[$name . ':' . $scope];
|
|
}
|
|
else {
|
|
self::$cache[$name . ':' . $scope] = new $name($scope);
|
|
return self::$cache[$name . ':' . $scope];
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Returns a random number.
|
|
*
|
|
* @return int random number
|
|
*/
|
|
function getRandomNumber() {
|
|
if (function_exists('openssl_random_pseudo_bytes')) {
|
|
return abs(hexdec(bin2hex(openssl_random_pseudo_bytes(5))));
|
|
}
|
|
return abs(mt_rand());
|
|
}
|
|
|
|
/**
|
|
* Connects to the LDAP server and extracts the certificates.
|
|
*
|
|
* @param String $server server name
|
|
* @param String $port server port
|
|
* @return mixed false on error and certificate if extracted successfully
|
|
*/
|
|
function getLDAPSSLCertificate($server, $port) {
|
|
$stream = @stream_context_create(array("ssl" => array("capture_peer_cert_chain" => true, "verify_peer" => false, "allow_self_signed" => true)));
|
|
if (!$stream) {
|
|
return false;
|
|
}
|
|
$client = @stream_socket_client('ssl://' . $server . ':' . $port, $errno, $errstr, 30, STREAM_CLIENT_CONNECT, $stream);
|
|
if (!$client) {
|
|
return false;
|
|
}
|
|
$context = stream_context_get_params($client);
|
|
if (!isset($context['options']['ssl']['peer_certificate_chain'])) {
|
|
return false;
|
|
}
|
|
$finalPEM = '';
|
|
for ($i = 0; $i < sizeof($context['options']['ssl']['peer_certificate_chain']); $i++) {
|
|
$cert = $context['options']['ssl']['peer_certificate_chain'][$i];
|
|
$pemData = null;
|
|
$pemResult = @openssl_x509_export($cert, $pemData);
|
|
if ($pemResult) {
|
|
$finalPEM .= $pemData;
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
return $finalPEM;
|
|
}
|
|
|
|
/**
|
|
* Returns the extended LDAP error message if any.
|
|
*
|
|
* @param handle $server LDAP server handle
|
|
* @return String error message
|
|
*/
|
|
function getExtendedLDAPErrorMessage($server) {
|
|
$ldapMsg = null;
|
|
ldap_get_option($server, LDAP_OPT_ERROR_STRING, $ldapMsg);
|
|
if (empty($ldapMsg)) {
|
|
return ldap_error($server);
|
|
}
|
|
return $ldapMsg;
|
|
}
|
|
|
|
/**
|
|
* Returns the default error message to display on the web page.
|
|
* HTML special characters are already escaped.
|
|
*
|
|
* @param handle $server LDAP server handle
|
|
* @return String error message
|
|
*/
|
|
function getDefaultLDAPErrorString($server) {
|
|
$extError = htmlspecialchars(getExtendedLDAPErrorMessage($server));
|
|
// Active Directory message translations
|
|
if (strpos($extError, 'DSID') !== false) {
|
|
if (strpos($extError, '5003') !== false) {
|
|
logNewMessage(LOG_DEBUG, 'Password change failed because of ' . $extError);
|
|
$extError = _('Your password does not meet the password strength qualifications. Please retry with another one.');
|
|
}
|
|
elseif (strpos($extError, 'data 530,') !== false) {
|
|
logNewMessage(LOG_DEBUG, 'Login failed because of ' . $extError);
|
|
$extError = _('Logon not permitted at this time');
|
|
}
|
|
elseif (strpos($extError, 'data 532,') !== false) {
|
|
logNewMessage(LOG_DEBUG, 'Login failed because of ' . $extError);
|
|
$extError = _('Password is expired');
|
|
}
|
|
elseif (strpos($extError, 'data 533,') !== false) {
|
|
logNewMessage(LOG_DEBUG, 'Login failed because of ' . $extError);
|
|
$extError = _('Account is deactivated');
|
|
}
|
|
elseif (strpos($extError, 'data 701,') !== false) {
|
|
logNewMessage(LOG_DEBUG, 'Login failed because of ' . $extError);
|
|
$extError = _('Account is expired');
|
|
}
|
|
elseif (strpos($extError, 'data 773,') !== false) {
|
|
logNewMessage(LOG_DEBUG, 'Login failed because of ' . $extError);
|
|
$extError = _('Password change required');
|
|
}
|
|
elseif (strpos($extError, 'data 775,') !== false) {
|
|
logNewMessage(LOG_DEBUG, 'Login failed because of ' . $extError);
|
|
$extError = _('Account is locked');
|
|
}
|
|
}
|
|
$genericErrorMessage = ldap_error($server);
|
|
$message = _('LDAP error, server says:') . ' ' . $genericErrorMessage;
|
|
if (!empty($extError) && ($genericErrorMessage != $extError)) {
|
|
$message .= ' - ' . $extError;
|
|
}
|
|
return $message;
|
|
}
|
|
|
|
/**
|
|
* Tries to get additional information why invalid credentials was returned. E.g. account is locked.
|
|
*
|
|
* @param handle $ldap LDAP object to connect for getting extra data
|
|
* @param string $userDn failed DN
|
|
* @return string extra message
|
|
*/
|
|
function getExtraInvalidCredentialsMessage($ldap, $userDn) {
|
|
$attributes = array('dn', 'pwdaccountlockedtime', 'krbprincipalexpiration',
|
|
'krbpasswordexpiration', 'passwordexpirationtime');
|
|
$userData = ldapGetDN($userDn, $attributes, $ldap);
|
|
$now = new DateTime('now', getTimeZone());
|
|
if (!empty($userData['pwdaccountlockedtime'][0])) {
|
|
return _('Account is locked');
|
|
}
|
|
if (!empty($userData['krbprincipalexpiration'][0])) {
|
|
$kerberosExpirationDate = parseLDAPTimestamp($userData['krbprincipalexpiration'][0]);
|
|
if ($now >= $kerberosExpirationDate) {
|
|
return _('Kerberos account is expired');
|
|
}
|
|
}
|
|
if (!empty($userData['krbpasswordexpiration'][0])) {
|
|
$kerberosExpirationDate = parseLDAPTimestamp($userData['krbpasswordexpiration'][0]);
|
|
if ($now >= $kerberosExpirationDate) {
|
|
return _('Kerberos password is expired');
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Returns the URL under which the page was loaded.
|
|
* This includes any GET parameters set.
|
|
*
|
|
* @param $baseUrl base URL (e.g. http://www.example.com)
|
|
* @return String URL
|
|
*/
|
|
function getCallingURL($baseUrl = '') {
|
|
$url = null;
|
|
if (!empty($baseUrl) && !empty($_SERVER['REQUEST_URI'])) {
|
|
$url = $baseUrl . $_SERVER['REQUEST_URI'];
|
|
}
|
|
elseif (!empty($_SERVER['REQUEST_URI']) && !empty($_SERVER['HTTP_HOST'])) {
|
|
$proto = 'http://';
|
|
if (!empty($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] != 'off')) {
|
|
$proto = 'https://';
|
|
}
|
|
$url = $proto . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
|
|
}
|
|
elseif (!empty($_SERVER['HTTP_REFERER'])) {
|
|
$url = $_SERVER['HTTP_REFERER'];
|
|
}
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* Returns the offset in hours from configured time zone to GMT.
|
|
*
|
|
* @return int offset
|
|
*/
|
|
function getTimeZoneOffsetHours() {
|
|
$dtz = getTimeZone();
|
|
return round($dtz->getOffset(new DateTime('UTC')) / 3600);
|
|
}
|
|
|
|
/**
|
|
* Returns the configured time zone.
|
|
*
|
|
* @return DateTimeZone time zone
|
|
*/
|
|
function getTimeZone() {
|
|
$timeZoneName = 'UTC';
|
|
if (!empty($_SESSION['config'])) {
|
|
$timeZoneName = $_SESSION['config']->getTimeZone();
|
|
}
|
|
elseif (!empty($_SESSION['selfServiceProfile']->timeZone)) {
|
|
$timeZoneName = $_SESSION['selfServiceProfile']->timeZone;
|
|
}
|
|
return new DateTimeZone($timeZoneName);
|
|
}
|
|
|
|
/**
|
|
* Returns the current time in formatted form.
|
|
*
|
|
* @param unknown $format format to use (e.g. 'Y-m-d H:i:s')
|
|
*/
|
|
function getFormattedTime($format) {
|
|
$time = new DateTime(null, getTimeZone());
|
|
return $time->format($format);
|
|
}
|
|
|
|
/**
|
|
* Formats a number of seconds to a more human readable format with minutes, hours, etc.
|
|
* E.g. 70 seconds will return 1m10s.
|
|
*
|
|
* @param int $numSeconds number of seconds
|
|
* @return String formatted number
|
|
*/
|
|
function formatSecondsToShortFormat($numSeconds) {
|
|
if (empty($numSeconds)) {
|
|
return '';
|
|
}
|
|
$seconds = $numSeconds % 60;
|
|
$seconds = ($seconds == 0) ? '' : $seconds . 's';
|
|
$minutes = floor(($numSeconds % 3600) / 60);
|
|
$minutes = ($minutes == 0) ? '' : $minutes . 'm';
|
|
$hours = floor(($numSeconds % 86400) / 3600);
|
|
$hours = ($hours == 0) ? '' : $hours . 'h';
|
|
$days = floor(($numSeconds % 604800) / 86400);
|
|
$days = ($days == 0) ? '' : $days . 'd';
|
|
$weeks = floor($numSeconds / 604800);
|
|
$weeks = ($weeks == 0) ? '' : $weeks . 'w';
|
|
return $weeks . $days . $hours . $minutes . $seconds;
|
|
}
|
|
|
|
/**
|
|
* Unformats text like 1m10s back to number of seconds.
|
|
*
|
|
* @param String $text formatted text
|
|
* @return int number of seconds
|
|
*/
|
|
function unformatShortFormatToSeconds($text) {
|
|
if (empty($text)) {
|
|
return $text;
|
|
}
|
|
$matches = array();
|
|
if (preg_match('/^(([0-9]+)w)?(([0-9]+)d)?(([0-9]+)h)?(([0-9]+)m)?(([0-9]+)s)?$/', $text, $matches)) {
|
|
$newValue = 0;
|
|
if (!empty($matches[2])) {
|
|
$newValue += $matches[2] * 604800;
|
|
}
|
|
if (!empty($matches[4])) {
|
|
$newValue += $matches[4] * 86400;
|
|
}
|
|
if (!empty($matches[6])) {
|
|
$newValue += $matches[6] * 3600;
|
|
}
|
|
if (!empty($matches[8])) {
|
|
$newValue += $matches[8] * 60;
|
|
}
|
|
if (!empty($matches[10])) {
|
|
$newValue += $matches[10];
|
|
}
|
|
return $newValue;
|
|
}
|
|
return $text;
|
|
}
|
|
|
|
/**
|
|
* Validates the Google reCAPTCHA input.
|
|
*
|
|
* @param String $secretKey secret key
|
|
* @return boolean valid
|
|
*/
|
|
function validateReCAPTCHA($secretKey) {
|
|
$url = 'https://www.google.com/recaptcha/api/siteverify';
|
|
$vars = array('secret' => $secretKey, 'response' => $_POST['g-recaptcha-response']);
|
|
$options = array(
|
|
'http' => array(
|
|
'header' => "Content-type: application/x-www-form-urlencoded\r\n",
|
|
'method' => 'POST',
|
|
'content' => http_build_query($vars)
|
|
)
|
|
);
|
|
$context = stream_context_create($options);
|
|
$result = file_get_contents($url, false, $context);
|
|
if ($result === FALSE) {
|
|
logNewMessage(LOG_ERR, 'reCAPTCHA validation failed, invalid server response.');
|
|
return false;
|
|
}
|
|
$responseJSON = json_decode($result);
|
|
logNewMessage(LOG_DEBUG, "ReCAPTCHA result: " . $result);
|
|
return $responseJSON->{'success'} === true;
|
|
}
|
|
|
|
/**
|
|
* Checks if the user is logged in. Stops script execution if not.
|
|
*
|
|
* @param boolean $check2ndFactor check if the 2nd factor was provided if required
|
|
*/
|
|
function enforceUserIsLoggedIn($check2ndFactor = true) {
|
|
if ((!isset($_SESSION['loggedIn']) || ($_SESSION['loggedIn'] !== true)) && empty($_SESSION['selfService_clientPassword'])) {
|
|
logNewMessage(LOG_WARNING, 'Detected unauthorized access to page that requires login: ' . $_SERVER["SCRIPT_FILENAME"]);
|
|
die();
|
|
}
|
|
if ($check2ndFactor && isset($_SESSION['2factorRequired'])) {
|
|
logNewMessage(LOG_WARNING, 'Detected unauthorized access to page that requires login (2nd factor not provided): ' . $_SERVER["SCRIPT_FILENAME"]);
|
|
die();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Prints the content of the header part.
|
|
*
|
|
* @param string $title page title
|
|
* @param string $prefix prefix to LAM main folder (e.g. "..")
|
|
*/
|
|
function printHeaderContents($title, $prefix) {
|
|
echo '<meta name="viewport" content="width=device-width, initial-scale=1.0">';
|
|
echo '<title>';
|
|
echo $title;
|
|
echo '</title>';
|
|
// include responsive CSS
|
|
$cssDirName = dirname(__FILE__) . '/../style/responsive';
|
|
$cssDir = dir($cssDirName);
|
|
$cssFiles = array();
|
|
$cssEntry = $cssDir->read();
|
|
while ($cssEntry !== false) {
|
|
if (substr($cssEntry, strlen($cssEntry) - 4, 4) == '.css') {
|
|
$cssFiles[] = $cssEntry;
|
|
}
|
|
$cssEntry = $cssDir->read();
|
|
}
|
|
sort($cssFiles);
|
|
foreach ($cssFiles as $cssEntry) {
|
|
echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"$prefix/style/responsive/$cssEntry\">";
|
|
}
|
|
// include all other CSS files
|
|
$cssDirName = dirname(__FILE__) . '/../style';
|
|
$cssDir = dir($cssDirName);
|
|
$cssFiles = array();
|
|
$cssEntry = $cssDir->read();
|
|
while ($cssEntry !== false) {
|
|
if (substr($cssEntry, strlen($cssEntry) - 4, 4) == '.css') {
|
|
$cssFiles[] = $cssEntry;
|
|
}
|
|
$cssEntry = $cssDir->read();
|
|
}
|
|
sort($cssFiles);
|
|
foreach ($cssFiles as $cssEntry) {
|
|
echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"$prefix/style/$cssEntry\">";
|
|
}
|
|
echo '<link rel="shortcut icon" type="image/x-icon" href="' . $prefix . '/graphics/favicon.ico">';
|
|
echo '<link rel="icon" href="' . $prefix . '/graphics/logo136.png">';
|
|
}
|
|
|
|
/**
|
|
* Prints script tags for all LAM JS files.
|
|
*
|
|
* @param string $prefix prefix to LAM main folder (e.g. "..")
|
|
*/
|
|
function printJsIncludes($prefix) {
|
|
$jsDirName = dirname(__FILE__) . '/../templates/lib';
|
|
$jsDir = dir($jsDirName);
|
|
$jsFiles = array();
|
|
$jsEntry = $jsDir->read();
|
|
while ($jsEntry !== false) {
|
|
if ((substr($jsEntry, strlen($jsEntry) - 3, 3) == '.js') || (substr($jsEntry, strlen($jsEntry) - 4, 4) == '.php')) {
|
|
$jsFiles[] = $jsEntry;
|
|
}
|
|
$jsEntry = $jsDir->read();
|
|
}
|
|
sort($jsFiles);
|
|
foreach ($jsFiles as $jsEntry) {
|
|
echo "<script type=\"text/javascript\" src=\"$prefix/templates/lib/" . $jsEntry . "\"></script>\n";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Converts an UTF-8 string to UTF16LE.
|
|
*
|
|
* @param string $input UTF-8 value
|
|
*/
|
|
function convertUtf8ToUtf16Le($input) {
|
|
if (($input == null) || (strlen($input) == 0)) {
|
|
return $input;
|
|
}
|
|
$output = iconv('UTF-8', 'UTF-16LE', $input);
|
|
if (($output === false) || ($output == '')) {
|
|
$output = mb_convert_encoding($input, 'UTF-8', 'UTF-16LE');
|
|
}
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Returns the text with LAM and its version for header area.
|
|
*
|
|
* @return string LAM version text
|
|
*/
|
|
function getLAMVersionText() {
|
|
$text = 'LDAP Account Manager';
|
|
if (isLAMProVersion()) {
|
|
$text .= ' Pro';
|
|
}
|
|
return $text . ' - ' . LAMVersion();
|
|
}
|
|
|
|
/**
|
|
* Returns if the given release is a developer version.
|
|
*
|
|
* @param string version
|
|
* @return bool is developer version
|
|
*/
|
|
function isDeveloperVersion($version) {
|
|
return strpos($version, 'DEV') !== false;
|
|
}
|
|
|
|
/**
|
|
* LAM exception with title and message.
|
|
*
|
|
* @author Roland Gruber
|
|
*/
|
|
class LAMException extends Exception {
|
|
|
|
private $title;
|
|
|
|
private $ldapErrorCode;
|
|
|
|
/**
|
|
* Constructor.
|
|
*
|
|
* @param string $title title
|
|
* @param string $message message (optional)
|
|
* @param Exception $cause (optional)
|
|
* @param int $ldapErrorCode original LDAP error code
|
|
*/
|
|
public function __construct($title, $message = null, $cause = null, $ldapErrorCode = null) {
|
|
parent::__construct($message, null, $cause);
|
|
$this->title = $title;
|
|
$this->ldapErrorCode = $ldapErrorCode;
|
|
}
|
|
|
|
/**
|
|
* Returns the message title.
|
|
*
|
|
* @return string title
|
|
*/
|
|
public function getTitle() {
|
|
return $this->title;
|
|
}
|
|
|
|
/**
|
|
* Returns the original LDAP error code.
|
|
*
|
|
* @return int error code
|
|
*/
|
|
public function getLdapErrorCode() {
|
|
return $this->ldapErrorCode;
|
|
}
|
|
|
|
}
|
|
|
|
?>
|