* Driver for passwords stored in LDAP
* This driver use the PEAR Net_LDAP2 class (http://pear.php.net/package/Net_LDAP2).
*
- * @version 1.0 (2009-06-24)
+ * @version 1.1 (2010-04-07)
* @author Edouard MOREAU <edouard.moreau@ensma.fr>
*
* function hashPassword based on code from the phpLDAPadmin development team (http://phpldapadmin.sourceforge.net/).
{
$rcmail = rcmail::get_instance();
require_once ('Net/LDAP2.php');
-
+
// Building user DN
- $userDN = str_replace('%login', $_SESSION['username'], $rcmail->config->get('password_ldap_userDN_mask'));
-
- $parts = explode('@', $_SESSION['username']);
- if (count($parts) == 2)
- {
- $userDN = str_replace('%name', $parts[0], $userDN);
- $userDN = str_replace('%domain', $parts[1], $userDN);
+ if ($userDN = $rcmail->config->get('password_ldap_userDN_mask')) {
+ $userDN = substitute_vars($userDN);
+ } else {
+ $userDN = search_userdn($rcmail);
+ }
+
+ if (empty($userDN)) {
+ return PASSWORD_CONNECT_ERROR;
}
- if (empty($userDN)) {return PASSWORD_CONNECT_ERROR;}
-
// Connection Method
switch($rcmail->config->get('password_ldap_method')) {
- case 'user': $binddn = $userDN; $bindpw = $curpass; break;
- case 'admin': $binddn = $rcmail->config->get('password_ldap_adminDN'); $bindpw = $rcmail->config->get('password_ldap_adminPW'); break;
- default: $binddn = $userDN; $bindpw = $curpass; break; // default is user mode
+ case 'admin':
+ $binddn = $rcmail->config->get('password_ldap_adminDN');
+ $bindpw = $rcmail->config->get('password_ldap_adminPW');
+ break;
+ case 'user':
+ default:
+ $binddn = $userDN;
+ $bindpw = $curpass;
+ break;
}
-
+
// Configuration array
$ldapConfig = array (
'binddn' => $binddn,
'starttls' => $rcmail->config->get('password_ldap_starttls'),
'version' => $rcmail->config->get('password_ldap_version'),
);
-
+
// Connecting using the configuration array
$ldap = Net_LDAP2::connect($ldapConfig);
-
+
// Checking for connection error
- if (PEAR::isError($ldap)) {return PASSWORD_CONNECT_ERROR;}
-
- // Crypting new password
- $newCryptedPassword = hashPassword($passwd, $rcmail->config->get('password_ldap_encodage'));
- if (!$newCryptedPassword) {return PASSWORD_CRYPT_ERROR;}
-
+ if (PEAR::isError($ldap)) {
+ return PASSWORD_CONNECT_ERROR;
+ }
+
+ $crypted_pass = hashPassword($passwd, $rcmail->config->get('password_ldap_encodage'));
+ $force = $rcmail->config->get('password_ldap_force_replace');
+ $pwattr = $rcmail->config->get('password_ldap_pwattr');
+ $lchattr = $rcmail->config->get('password_ldap_lchattr');
+ $smbpwattr = $rcmail->config->get('password_ldap_samba_pwattr');
+ $smblchattr = $rcmail->config->get('password_ldap_samba_lchattr');
+ $samba = $rcmail->config->get('password_ldap_samba');
+
+ // Support password_ldap_samba option for backward compat.
+ if ($samba && !$smbpwattr) {
+ $smbpwattr = 'sambaNTPassword';
+ $smblchattr = 'sambaPwdLastSet';
+ }
+
+ // Crypt new password
+ if (!$crypted_pass) {
+ return PASSWORD_CRYPT_ERROR;
+ }
+
+ // Crypt new samba password
+ if ($smbpwattr && !($samba_pass = hashPassword($passwd, 'samba'))) {
+ return PASSWORD_CRYPT_ERROR;
+ }
+
// Writing new crypted password to LDAP
$userEntry = $ldap->getEntry($userDN);
- if (Net_LDAP2::isError($userEntry)) {return PASSWORD_CONNECT_ERROR;}
- if (!$userEntry->replace(array($rcmail->config->get('password_ldap_pwattr') => $newCryptedPassword),$rcmail->config->get('password_ldap_force_replace'))) {return PASSWORD_CONNECT_ERROR;}
- if (Net_LDAP2::isError($userEntry->update())) {return PASSWORD_CONNECT_ERROR;}
-
+ if (Net_LDAP2::isError($userEntry)) {
+ return PASSWORD_CONNECT_ERROR;
+ }
+
+ if (!$userEntry->replace(array($pwattr => $crypted_pass), $force)) {
+ return PASSWORD_CONNECT_ERROR;
+ }
+
+ // Updating PasswordLastChange Attribute if desired
+ if ($lchattr) {
+ $current_day = (int)(time() / 86400);
+ if (!$userEntry->replace(array($lchattr => $current_day), $force)) {
+ return PASSWORD_CONNECT_ERROR;
+ }
+ }
+
+ // Update Samba password and last change fields
+ if ($smbpwattr) {
+ $userEntry->replace(array($smbpwattr => $samba_pass), $force);
+ }
+ // Update Samba password last change field
+ if ($smblchattr) {
+ $userEntry->replace(array($smblchattr => time()), $force);
+ }
+
+ if (Net_LDAP2::isError($userEntry->update())) {
+ return PASSWORD_CONNECT_ERROR;
+ }
+
// All done, no error
- return PASSWORD_SUCCESS;
+ return PASSWORD_SUCCESS;
+}
+
+/**
+ * Bind with searchDN and searchPW and search for the user's DN.
+ * Use search_base and search_filter defined in config file.
+ * Return the found DN.
+ */
+function search_userdn($rcmail)
+{
+ $ldapConfig = array (
+ 'binddn' => $rcmail->config->get('password_ldap_searchDN'),
+ 'bindpw' => $rcmail->config->get('password_ldap_searchPW'),
+ 'basedn' => $rcmail->config->get('password_ldap_basedn'),
+ 'host' => $rcmail->config->get('password_ldap_host'),
+ 'port' => $rcmail->config->get('password_ldap_port'),
+ 'starttls' => $rcmail->config->get('password_ldap_starttls'),
+ 'version' => $rcmail->config->get('password_ldap_version'),
+ );
+
+ $ldap = Net_LDAP2::connect($ldapConfig);
+
+ if (PEAR::isError($ldap)) {
+ return '';
+ }
+
+ $base = $rcmail->config->get('password_ldap_search_base');
+ $filter = substitute_vars($rcmail->config->get('password_ldap_search_filter'));
+ $options = array (
+ 'scope' => 'sub',
+ 'attributes' => array(),
+ );
+
+ $result = $ldap->search($base, $filter, $options);
+ $ldap->done();
+ if (PEAR::isError($result) || ($result->count() != 1)) {
+ return '';
+ }
+
+ return $result->current()->dn();
+}
+
+/**
+ * Substitute %login, %name, %domain, %dc in $str.
+ * See plugin config for details.
+ */
+function substitute_vars($str)
+{
+ $rcmail = rcmail::get_instance();
+ $domain = $rcmail->user->get_username('domain');
+ $dc = 'dc='.strtr($domain, array('.' => ',dc=')); // hierarchal domain string
+
+ $str = str_replace(array(
+ '%login',
+ '%name',
+ '%domain',
+ '%dc',
+ ), array(
+ $_SESSION['username'],
+ $rcmail->user->get_username('local'),
+ $domain,
+ $dc,
+ ), $str
+ );
+
+ return $str;
}
*
*/
-function hashPassword( $passwordClear, $encodageType )
+function hashPassword( $passwordClear, $encodageType )
{
$encodageType = strtolower( $encodageType );
switch( $encodageType ) {
case 'crypt':
$cryptedPassword = '{CRYPT}' . crypt($passwordClear,randomSalt(2));
break;
-
+
case 'ext_des':
// extended des crypt. see OpenBSD crypt man page.
- if ( ! defined( 'CRYPT_EXT_DES' ) || CRYPT_EXT_DES == 0 ) {return FALSE;} //Your system crypt library does not support extended DES encryption.
+ if ( ! defined( 'CRYPT_EXT_DES' ) || CRYPT_EXT_DES == 0 ) {
+ // Your system crypt library does not support extended DES encryption.
+ return FALSE;
+ }
$cryptedPassword = '{CRYPT}' . crypt( $passwordClear, '_' . randomSalt(8) );
break;
case 'md5crypt':
- if( ! defined( 'CRYPT_MD5' ) || CRYPT_MD5 == 0 ) {return FALSE;} //Your system crypt library does not support md5crypt encryption.
+ if( ! defined( 'CRYPT_MD5' ) || CRYPT_MD5 == 0 ) {
+ // Your system crypt library does not support md5crypt encryption.
+ return FALSE;
+ }
$cryptedPassword = '{CRYPT}' . crypt( $passwordClear , '$1$' . randomSalt(9) );
break;
case 'blowfish':
- if( ! defined( 'CRYPT_BLOWFISH' ) || CRYPT_BLOWFISH == 0 ) {return FALSE;} //Your system crypt library does not support blowfish encryption.
- $cryptedPassword = '{CRYPT}' . crypt( $passwordClear , '$2a$12$' . randomSalt(13) ); // hardcoded to second blowfish version and set number of rounds
+ if( ! defined( 'CRYPT_BLOWFISH' ) || CRYPT_BLOWFISH == 0 ) {
+ // Your system crypt library does not support blowfish encryption.
+ return FALSE;
+ }
+ // hardcoded to second blowfish version and set number of rounds
+ $cryptedPassword = '{CRYPT}' . crypt( $passwordClear , '$2a$12$' . randomSalt(13) );
break;
case 'md5':
case 'ssha':
if( function_exists( 'mhash' ) && function_exists( 'mhash_keygen_s2k' ) ) {
mt_srand( (double) microtime() * 1000000 );
- $salt = mhash_keygen_s2k( MHASH_SHA1, $passwordClear, substr( pack( "h*", md5( mt_rand() ) ), 0, 8 ), 4 );
- $cryptedPassword = "{SSHA}".base64_encode( mhash( MHASH_SHA1, $passwordClear.$salt ).$salt );
+ $salt = mhash_keygen_s2k( MHASH_SHA1, $passwordClear, substr( pack( 'h*', md5( mt_rand() ) ), 0, 8 ), 4 );
+ $cryptedPassword = '{SSHA}'.base64_encode( mhash( MHASH_SHA1, $passwordClear.$salt ).$salt );
} else {
return FALSE; //Your PHP install does not have the mhash() function. Cannot do SHA hashes.
}
case 'smd5':
if( function_exists( 'mhash' ) && function_exists( 'mhash_keygen_s2k' ) ) {
mt_srand( (double) microtime() * 1000000 );
- $salt = mhash_keygen_s2k( MHASH_MD5, $passwordClear, substr( pack( "h*", md5( mt_rand() ) ), 0, 8 ), 4 );
- $cryptedPassword = "{SMD5}".base64_encode( mhash( MHASH_MD5, $passwordClear.$salt ).$salt );
+ $salt = mhash_keygen_s2k( MHASH_MD5, $passwordClear, substr( pack( 'h*', md5( mt_rand() ) ), 0, 8 ), 4 );
+ $cryptedPassword = '{SMD5}'.base64_encode( mhash( MHASH_MD5, $passwordClear.$salt ).$salt );
} else {
return FALSE; //Your PHP install does not have the mhash() function. Cannot do SHA hashes.
}
break;
+ case 'samba':
+ if (function_exists('hash')) {
+ $cryptedPassword = hash('md4', rcube_charset_convert($passwordClear, RCMAIL_CHARSET, 'UTF-16LE'));
+ $cryptedPassword = strtoupper($cryptedPassword);
+ } else {
+ /* Your PHP install does not have the hash() function */
+ return false;
+ }
+ break;
+
case 'clear':
default:
$cryptedPassword = $passwordClear;
return $cryptedPassword;
}
-
-
/**
* Code originaly from the phpLDAPadmin development team
* http://phpldapadmin.sourceforge.net/
* @param int $length The length of the salt string to generate.
* @return string The generated salt string.
*/
-
-function randomSalt( $length )
+function randomSalt( $length )
{
$possible = '0123456789'.
'abcdefghijklmnopqrstuvwxyz'.
'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.
'./';
- $str = "";
- mt_srand((double)microtime() * 1000000);
+ $str = '';
+// mt_srand((double)microtime() * 1000000);
- while( strlen( $str ) < $length )
- $str .= substr( $possible, ( rand() % strlen( $possible ) ), 1 );
+ while (strlen($str) < $length)
+ $str .= substr($possible, (rand() % strlen($possible)), 1);
return $str;
}
-
-?>
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