Code improvements, remove code duplication

pull/130/merge
Aleksander Machniak 11 years ago
parent 6776d31cee
commit 19884ec5d2

@ -23,7 +23,7 @@ class rcube_ldap_password
// Building user DN
if ($userDN = $rcmail->config->get('password_ldap_userDN_mask')) {
$userDN = $this->substitute_vars($userDN);
$userDN = self::substitute_vars($userDN);
} else {
$userDN = $this->search_userdn($rcmail);
}
@ -64,7 +64,7 @@ class rcube_ldap_password
return PASSWORD_CONNECT_ERROR;
}
$crypted_pass = $this->hashPassword($passwd, $rcmail->config->get('password_ldap_encodage'));
$crypted_pass = self::hash_password($passwd, $rcmail->config->get('password_ldap_encodage'));
$force = $rcmail->config->get('password_ldap_force_replace');
$pwattr = $rcmail->config->get('password_ldap_pwattr');
$lchattr = $rcmail->config->get('password_ldap_lchattr');
@ -84,7 +84,7 @@ class rcube_ldap_password
}
// Crypt new samba password
if ($smbpwattr && !($samba_pass = $this->hashPassword($passwd, 'samba'))) {
if ($smbpwattr && !($samba_pass = self::hash_password($passwd, 'samba'))) {
return PASSWORD_CRYPT_ERROR;
}
@ -147,7 +147,7 @@ class rcube_ldap_password
}
$base = $rcmail->config->get('password_ldap_search_base');
$filter = $this->substitute_vars($rcmail->config->get('password_ldap_search_filter'));
$filter = self::substitute_vars($rcmail->config->get('password_ldap_search_filter'));
$options = array (
'scope' => 'sub',
'attributes' => array(),
@ -163,27 +163,25 @@ class rcube_ldap_password
}
/**
* Substitute %login, %name, %domain, %dc in $str.
* See plugin config for details.
* Substitute %login, %name, %domain, %dc in $str
* See plugin config for details
*/
function substitute_vars($str)
static 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
);
$str = str_replace('%login', $_SESSION['username'], $str);
$str = str_replace('%l', $_SESSION['username'], $str);
$parts = explode('@', $_SESSION['username']);
if (count($parts) == 2) {
$dc = 'dc='.strtr($parts[1], array('.' => ',dc=')); // hierarchal domain string
$str = str_replace('%name', $parts[0], $str);
$str = str_replace('%n', $parts[0], $str);
$str = str_replace('%dc', $dc, $str);
$str = str_replace('%domain', $parts[1], $str);
$str = str_replace('%d', $parts[1], $str);
}
return $str;
}
@ -192,132 +190,109 @@ class rcube_ldap_password
* Code originaly from the phpLDAPadmin development team
* http://phpldapadmin.sourceforge.net/
*
* Hashes a password and returns the hash based on the specified enc_type.
*
* @param string $passwordClear The password to hash in clear text.
* @param string $encodageType Standard LDAP encryption type which must be one of
* crypt, ext_des, md5crypt, blowfish, md5, sha, smd5, ssha, or clear.
* @return string The hashed password.
*
* Hashes a password and returns the hash based on the specified enc_type
*/
function hashPassword( $passwordClear, $encodageType )
static function hash_password($password_clear, $encodage_type)
{
$encodageType = strtolower( $encodageType );
switch( $encodageType ) {
$encodage_type = strtolower($encodage_type);
switch ($encodage_type) {
case 'crypt':
$cryptedPassword = '{CRYPT}' . crypt($passwordClear, $this->randomSalt(2));
$crypted_password = '{CRYPT}' . crypt($password_clear, self::random_salt(2));
break;
case 'ext_des':
// extended des crypt. see OpenBSD crypt man page.
/* Extended DES crypt. see OpenBSD crypt man page */
if (!defined('CRYPT_EXT_DES') || CRYPT_EXT_DES == 0) {
// Your system crypt library does not support extended DES encryption.
return FALSE;
/* Your system crypt library does not support extended DES encryption */
return false;
}
$cryptedPassword = '{CRYPT}' . crypt( $passwordClear, '_' . $this->randomSalt(8) );
$crypted_password = '{CRYPT}' . crypt($password_clear, '_' . self::random_salt(8));
break;
case 'md5crypt':
if (!defined('CRYPT_MD5') || CRYPT_MD5 == 0) {
// Your system crypt library does not support md5crypt encryption.
return FALSE;
/* Your system crypt library does not support md5crypt encryption */
return false;
}
$cryptedPassword = '{CRYPT}' . crypt( $passwordClear , '$1$' . $this->randomSalt(9) );
$crypted_password = '{CRYPT}' . crypt($password_clear, '$1$' . self::random_salt(9));
break;
case 'blowfish':
if (!defined('CRYPT_BLOWFISH') || CRYPT_BLOWFISH == 0) {
// Your system crypt library does not support blowfish encryption.
return FALSE;
/* 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$12$' . $this->randomSalt(13) );
/* Hardcoded to second blowfish version and set number of rounds */
$crypted_password = '{CRYPT}' . crypt($password_clear, '$2a$12$' . self::random_salt(13));
break;
case 'md5':
$cryptedPassword = '{MD5}' . base64_encode( pack( 'H*' , md5( $passwordClear) ) );
$crypted_password = '{MD5}' . base64_encode(pack('H*', md5($password_clear)));
break;
case 'sha':
if (function_exists('sha1')) {
// use php 4.3.0+ sha1 function, if it is available.
$cryptedPassword = '{SHA}' . base64_encode( pack( 'H*' , sha1( $passwordClear) ) );
/* Use PHP 4.3.0+ sha1 function, if it is available */
$crypted_password = '{SHA}' . base64_encode(pack('H*', sha1($password_clear)));
} else if (function_exists('mhash')) {
$cryptedPassword = '{SHA}' . base64_encode( mhash( MHASH_SHA1, $passwordClear) );
$crypted_password = '{SHA}' . base64_encode(mhash(MHASH_SHA1, $password_clear));
} else {
return FALSE; //Your PHP install does not have the mhash() function. Cannot do SHA hashes.
/* Your PHP install does not have the mhash() function */
return false;
}
break;
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, $password_clear, substr(pack('h*', md5(mt_rand())), 0, 8), 4);
$crypted_password = '{SSHA}' . base64_encode(mhash(MHASH_SHA1, $password_clear . $salt) . $salt);
} else {
return FALSE; //Your PHP install does not have the mhash() function. Cannot do SHA hashes.
/* Your PHP install does not have the mhash() function */
return false;
}
break;
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, $password_clear, substr(pack('h*', md5(mt_rand())), 0, 8), 4);
$crypted_password = '{SMD5}' . base64_encode(mhash(MHASH_MD5, $password_clear . $salt) . $salt);
} else {
return FALSE; //Your PHP install does not have the mhash() function. Cannot do SHA hashes.
/* Your PHP install does not have the mhash() function */
return false;
}
break;
case 'samba':
if (function_exists('hash')) {
$cryptedPassword = hash('md4', rcube_charset::convert($passwordClear, RCUBE_CHARSET, 'UTF-16LE'));
$cryptedPassword = strtoupper($cryptedPassword);
$crypted_password = hash('md4', rcube_charset::convert($password_clear, RCUBE_CHARSET, 'UTF-16LE'));
$crypted_password = strtoupper($crypted_password);
} else {
/* Your PHP install does not have the hash() function */
return false;
}
break;
case 'ad':
$cryptedPassword = rcube_charset::convert('"' . $passwordClear . '"', RCUBE_CHARSET, 'UTF-16LE');
$crypted_password = rcube_charset::convert('"' . $password_clear . '"', RCUBE_CHARSET, 'UTF-16LE');
break;
case 'clear':
default:
$cryptedPassword = $passwordClear;
$crypted_password = $password_clear;
}
return $cryptedPassword;
return $crypted_password;
}
/**
* Code originaly from the phpLDAPadmin development team
* http://phpldapadmin.sourceforge.net/
*
* Used to generate a random salt for crypt-style passwords. Salt strings are used
* to make pre-built hash cracking dictionaries difficult to use as the hash algorithm uses
* not only the user's password but also a randomly generated string. The string is
* stored as the first N characters of the hash for reference of hashing algorithms later.
*
* --- added 20021125 by bayu irawan <bayuir@divnet.telkom.co.id> ---
* --- ammended 20030625 by S C Rigler <srigler@houston.rr.com> ---
*
* @param int $length The length of the salt string to generate.
* @return string The generated salt string.
* Used to generate a random salt for crypt-style passwords
*/
function randomSalt( $length )
static function random_salt($length)
{
$possible = '0123456789'.
'abcdefghijklmnopqrstuvwxyz'.
'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.
'./';
$possible = '0123456789' . 'abcdefghijklmnopqrstuvwxyz' . 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' . './';
$str = '';
// mt_srand((double)microtime() * 1000000);
while (strlen($str) < $length)
while (strlen($str) < $length) {
$str .= substr($possible, (rand() % strlen($possible)), 1);
}
return $str;
}
}

@ -37,9 +37,12 @@ class rcube_ldap_simple_password
}
}
// include 'ldap' driver, we share some static methods with it
require_once INSTALL_PATH . 'plugins/password/drivers/ldap.php';
// Build user DN
if ($user_dn = $rcmail->config->get('password_ldap_userDN_mask')) {
$user_dn = $this->substitute_vars($user_dn);
$user_dn = rcube_ldap_password::substitute_vars($user_dn);
}
else {
$user_dn = $this->search_userdn($rcmail, $ds);
@ -63,12 +66,13 @@ class rcube_ldap_simple_password
break;
}
$crypted_pass = $this->hash_password($passwd, $rcmail->config->get('password_ldap_encodage'));
$lchattr = $rcmail->config->get('password_ldap_lchattr');
$pwattr = $rcmail->config->get('password_ldap_pwattr');
$smbpwattr = $rcmail->config->get('password_ldap_samba_pwattr');
$smblchattr = $rcmail->config->get('password_ldap_samba_lchattr');
$samba = $rcmail->config->get('password_ldap_samba');
$pass_mode = $rcmail->config->get('password_ldap_encodage');
$crypted_pass = rcube_ldap_password::hash_password($passwd, $pass_mode);
// Support password_ldap_samba option for backward compat.
if ($samba && !$smbpwattr) {
@ -82,7 +86,7 @@ class rcube_ldap_simple_password
}
// Crypt new Samba password
if ($smbpwattr && !($samba_pass = $this->hash_password($passwd, 'samba'))) {
if ($smbpwattr && !($samba_pass = rcube_ldap_password::hash_password($passwd, 'samba'))) {
return PASSWORD_CRYPT_ERROR;
}
@ -126,154 +130,28 @@ class rcube_ldap_simple_password
*/
function search_userdn($rcmail, $ds)
{
/* Bind */
if (!ldap_bind($ds, $rcmail->config->get('password_ldap_searchDN'), $rcmail->config->get('password_ldap_searchPW'))) {
$search_user = $rcmail->config->get('password_ldap_searchDN');
$search_pass = $rcmail->config->get('password_ldap_searchPW');
// Bind
if (!ldap_bind($ds, $search_user, $search_pass)) {
return false;
}
/* Search for the DN */
if (!$sr = ldap_search($ds, $rcmail->config->get('password_ldap_search_base'), $this->substitute_vars($rcmail->config->get('password_ldap_search_filter')))) {
$search_base = $rcmail->config->get('password_ldap_search_base');
$search_filter = $rcmail->config->get('password_ldap_search_filter');
$search_filter = rcube_ldap_password::substitute_vars($search_filter);
// Search for the DN
if (!$sr = ldap_search($ds, $search_base, $search_filter)) {
return false;
}
/* If no or more entries were found, return false */
// If no or more entries were found, return false
if (ldap_count_entries($ds, $sr) != 1) {
return false;
}
return ldap_get_dn($ds, ldap_first_entry($ds, $sr));
}
/**
* Substitute %login, %name, %domain, %dc in $str
* See plugin config for details
*/
function substitute_vars($str)
{
$str = str_replace('%login', $_SESSION['username'], $str);
$str = str_replace('%l', $_SESSION['username'], $str);
$parts = explode('@', $_SESSION['username']);
if (count($parts) == 2) {
$dc = 'dc='.strtr($parts[1], array('.' => ',dc=')); // hierarchal domain string
$str = str_replace('%name', $parts[0], $str);
$str = str_replace('%n', $parts[0], $str);
$str = str_replace('%dc', $dc, $str);
$str = str_replace('%domain', $parts[1], $str);
$str = str_replace('%d', $parts[1], $str);
}
return $str;
}
/**
* Code originaly from the phpLDAPadmin development team
* http://phpldapadmin.sourceforge.net/
*
* Hashes a password and returns the hash based on the specified enc_type
*/
function hash_password($password_clear, $encodage_type)
{
$encodage_type = strtolower($encodage_type);
switch ($encodage_type) {
case 'crypt':
$crypted_password = '{CRYPT}' . crypt($password_clear, $this->random_salt(2));
break;
case 'ext_des':
/* Extended DES crypt. see OpenBSD crypt man page */
if (!defined('CRYPT_EXT_DES') || CRYPT_EXT_DES == 0) {
/* Your system crypt library does not support extended DES encryption */
return false;
}
$crypted_password = '{CRYPT}' . crypt($password_clear, '_' . $this->random_salt(8));
break;
case 'md5crypt':
if (!defined('CRYPT_MD5') || CRYPT_MD5 == 0) {
/* Your system crypt library does not support md5crypt encryption */
return false;
}
$crypted_password = '{CRYPT}' . crypt($password_clear, '$1$' . $this->random_salt(9));
break;
case 'blowfish':
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 */
$crypted_password = '{CRYPT}' . crypt($password_clear, '$2a$12$' . $this->random_salt(13));
break;
case 'md5':
$crypted_password = '{MD5}' . base64_encode(pack('H*', md5($password_clear)));
break;
case 'sha':
if (function_exists('sha1')) {
/* Use PHP 4.3.0+ sha1 function, if it is available */
$crypted_password = '{SHA}' . base64_encode(pack('H*', sha1($password_clear)));
} else if (function_exists('mhash')) {
$crypted_password = '{SHA}' . base64_encode(mhash(MHASH_SHA1, $password_clear));
} else {
/* Your PHP install does not have the mhash() function */
return false;
}
break;
case 'ssha':
if (function_exists('mhash') && function_exists('mhash_keygen_s2k')) {
mt_srand((double) microtime() * 1000000 );
$salt = mhash_keygen_s2k(MHASH_SHA1, $password_clear, substr(pack('h*', md5(mt_rand())), 0, 8), 4);
$crypted_password = '{SSHA}' . base64_encode(mhash(MHASH_SHA1, $password_clear . $salt) . $salt);
} else {
/* Your PHP install does not have the mhash() function */
return false;
}
break;
case 'smd5':
if (function_exists('mhash') && function_exists('mhash_keygen_s2k')) {
mt_srand((double) microtime() * 1000000 );
$salt = mhash_keygen_s2k(MHASH_MD5, $password_clear, substr(pack('h*', md5(mt_rand())), 0, 8), 4);
$crypted_password = '{SMD5}' . base64_encode(mhash(MHASH_MD5, $password_clear . $salt) . $salt);
} else {
/* Your PHP install does not have the mhash() function */
return false;
}
break;
case 'samba':
if (function_exists('hash')) {
$crypted_password = hash('md4', rcube_charset::convert($password_clear, RCUBE_CHARSET, 'UTF-16LE'));
$crypted_password = strtoupper($crypted_password);
} else {
/* Your PHP install does not have the hash() function */
return false;
}
break;
case 'ad':
$crypted_password = rcube_charset::convert('"' . $password_clear . '"', RCUBE_CHARSET, 'UTF-16LE');
break;
case 'clear':
default:
$crypted_password = $password_clear;
}
return $crypted_password;
}
/**
* Code originaly from the phpLDAPadmin development team
* http://phpldapadmin.sourceforge.net/
*
* Used to generate a random salt for crypt-style passwords
*/
function random_salt($length)
{
$possible = '0123456789' . 'abcdefghijklmnopqrstuvwxyz' . 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' . './';
$str = '';
// mt_srand((double)microtime() * 1000000);
while (strlen($str) < $length) {
$str .= substr($possible, (rand() % strlen($possible)), 1);
}
return $str;
}
}

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