diff options
Diffstat (limited to 'plugins/password/drivers/ldap_simple.php')
| -rw-r--r-- | plugins/password/drivers/ldap_simple.php | 228 |
1 files changed, 140 insertions, 88 deletions
diff --git a/plugins/password/drivers/ldap_simple.php b/plugins/password/drivers/ldap_simple.php index 47e3b07de..01385f2d0 100644 --- a/plugins/password/drivers/ldap_simple.php +++ b/plugins/password/drivers/ldap_simple.php @@ -13,37 +13,21 @@ class rcube_ldap_simple_password { - private $debug = false; - function save($curpass, $passwd) { $rcmail = rcmail::get_instance(); - $this->debug = $rcmail->config->get('ldap_debug'); - - $ldap_host = $rcmail->config->get('password_ldap_host'); - $ldap_port = $rcmail->config->get('password_ldap_port'); - - $this->_debug("C: Connect to $ldap_host:$ldap_port"); - // Connect - if (!$ds = ldap_connect($ldap_host, $ldap_port)) { - $this->_debug("S: NOT OK"); - - rcube::raise_error(array( - 'code' => 100, 'type' => 'ldap', - 'file' => __FILE__, 'line' => __LINE__, - 'message' => "Could not connect to LDAP server" - ), - true); - + if (!$ds = ldap_connect($rcmail->config->get('password_ldap_host'), $rcmail->config->get('password_ldap_port'))) { + ldap_unbind($ds); return PASSWORD_CONNECT_ERROR; } - $this->_debug("S: OK"); - // Set protocol version - ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, $rcmail->config->get('password_ldap_version')); + if (!ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, $rcmail->config->get('password_ldap_version'))) { + ldap_unbind($ds); + return PASSWORD_CONNECT_ERROR; + } // Start TLS if ($rcmail->config->get('password_ldap_starttls')) { @@ -53,19 +37,9 @@ class rcube_ldap_simple_password } } - // include 'ldap' driver, we share some static methods with it - require_once INSTALL_PATH . 'plugins/password/drivers/ldap.php'; - - // other plugins might want to modify user DN - $plugin = $rcmail->plugins->exec_hook('password_ldap_bind', array( - 'user_dn' => '', 'conn' => $ds)); - // Build user DN - if (!empty($plugin['user_dn'])) { - $user_dn = $plugin['user_dn']; - } - else if ($user_dn = $rcmail->config->get('password_ldap_userDN_mask')) { - $user_dn = rcube_ldap_password::substitute_vars($user_dn); + if ($user_dn = $rcmail->config->get('password_ldap_userDN_mask')) { + $user_dn = $this->substitute_vars($user_dn); } else { $user_dn = $this->search_userdn($rcmail, $ds); @@ -89,13 +63,12 @@ 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 && !$smbpwattr) { @@ -109,55 +82,40 @@ class rcube_ldap_simple_password } // Crypt new Samba password - if ($smbpwattr && !($samba_pass = rcube_ldap_password::hash_password($passwd, 'samba'))) { + if ($smbpwattr && !($samba_pass = $this->hash_password($passwd, 'samba'))) { return PASSWORD_CRYPT_ERROR; } - $this->_debug("C: Bind $binddn [pass: $bindpw]"); - // Bind if (!ldap_bind($ds, $binddn, $bindpw)) { - $this->_debug("S: ".ldap_error($ds)); - ldap_unbind($ds); - return PASSWORD_CONNECT_ERROR; } - $this->_debug("S: OK"); - - $entry[$pwattr] = $crypted_pass; + $entree[$pwattr] = $crypted_pass; // Update PasswordLastChange Attribute if desired if ($lchattr) { - $entry[$lchattr] = (int)(time() / 86400); + $entree[$lchattr] = (int)(time() / 86400); } // Update Samba password if ($smbpwattr) { - $entry[$smbpwattr] = $samba_pass; + $entree[$smbpwattr] = $samba_pass; } // Update Samba password last change if ($smblchattr) { - $entry[$smblchattr] = time(); + $entree[$smblchattr] = time(); } - $this->_debug("C: Modify $user_dn: " . print_r($entry, true)); - - if (!ldap_modify($ds, $user_dn, $entry)) { - $this->_debug("S: ".ldap_error($ds)); - + if (!ldap_modify($ds, $user_dn, $entree)) { ldap_unbind($ds); - return PASSWORD_CONNECT_ERROR; } - $this->_debug("S: OK"); - // All done, no error ldap_unbind($ds); - return PASSWORD_SUCCESS; } @@ -168,57 +126,151 @@ class rcube_ldap_simple_password */ function search_userdn($rcmail, $ds) { - $search_user = $rcmail->config->get('password_ldap_searchDN'); - $search_pass = $rcmail->config->get('password_ldap_searchPW'); - - if (empty($search_user)) { - return null; + /* Bind */ + if (!ldap_bind($ds, $rcmail->config->get('password_ldap_searchDN'), $rcmail->config->get('password_ldap_searchPW'))) { + return false; } - $this->_debug("C: Bind $search_user [pass: $search_pass]"); + /* Search for the DN */ + if (!$sr = ldap_search($ds, $rcmail->config->get('password_ldap_search_base'), $this->substitute_vars($rcmail->config->get('password_ldap_search_filter')))) { + return false; + } - // Bind - if (!ldap_bind($ds, $search_user, $search_pass)) { - $this->_debug("S: ".ldap_error($ds)); + /* If no or more entries were found, return false */ + if (ldap_count_entries($ds, $sr) != 1) { return false; } - $this->_debug("S: OK"); + return ldap_get_dn($ds, ldap_first_entry($ds, $sr)); + } - $search_base = $rcmail->config->get('password_ldap_search_base'); - $search_filter = $rcmail->config->get('password_ldap_search_filter'); + /** + * 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); - $search_base = rcube_ldap_password::substitute_vars($search_base); - $search_filter = rcube_ldap_password::substitute_vars($search_filter); + $parts = explode('@', $_SESSION['username']); - $this->_debug("C: Search $search_base for $search_filter"); + if (count($parts) == 2) { + $dc = 'dc='.strtr($parts[1], array('.' => ',dc=')); // hierarchal domain string - // Search for the DN - if (!$sr = ldap_search($ds, $search_base, $search_filter)) { - $this->_debug("S: ".ldap_error($ds)); - return false; + $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); } - $found = ldap_count_entries($ds, $sr); - - $this->_debug("S: OK [found $found records]"); + return $str; + } - // If no or more entries were found, return false - if ($found != 1) { - return false; + /** + * 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, RCMAIL_CHARSET, 'UTF-16LE')); + $crypted_password = strtoupper($crypted_password); + } else { + /* Your PHP install does not have the hash() function */ + return false; + } + break; + case 'clear': + default: + $crypted_password = $password_clear; } - return ldap_get_dn($ds, ldap_first_entry($ds, $sr)); + return $crypted_password; } /** - * Prints debug info to the log + * Code originaly from the phpLDAPadmin development team + * http://phpldapadmin.sourceforge.net/ + * + * Used to generate a random salt for crypt-style passwords */ - private function _debug($str) + function random_salt($length) { - if ($this->debug) { - rcube::write_log('ldap', $str); + $possible = '0123456789' . 'abcdefghijklmnopqrstuvwxyz' . 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' . './'; + $str = ''; + // mt_srand((double)microtime() * 1000000); + + while (strlen($str) < $length) { + $str .= substr($possible, (rand() % strlen($possible)), 1); } - } + return $str; + } } |