/usr/share/gosa/plugins/admin/systems/services/kerberos/class_password-methods-MIT.inc is in gosa-plugin-mit-krb5 2.7.4+reloaded1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
This code is part of GOsa (https://gosa.gonicus.de)
Copyright (C) 2008 Fabian Hickert
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
class passwordMethodMIT extends passwordMethod
{
var $dn = "new"; // DN of the current object
var $parent_dn = "new"; // parents DN
var $is_account = FALSE; // This is TRUE if this object already has a krb extension
var $server_list = array(); // A list with all configured servers
var $map = array(); // Mapping array, maps SERVER-REALM, REALM-SERVER ...
var $goKrbRealm = ""; // The realm name this principal belongs to
var $principal = ""; // The principals name (e.g. user@MY-DOMAIN.SYS)
var $is_new = TRUE; // Is TRUE if principal is new
var $si_error = FALSE; // TRUE is daemon communication failed
var $si_error_msg = ""; // The last error message if above attribute is TRUE.
var $values = array(
"PRINC_EXPIRE_TIME", // Expiry date of this principal
"PW_EXPIRATION", // Password expiration
"MAX_LIFE", // Ticket lifetime
"MASK", // I'dont know
"MAX_RENEWABLE_LIFE", // Max ticket lifetime when renewed
"POLICY"); // The policy used by this principal
var $PRINC_EXPIRE_TIME = 0;
var $PW_EXPIRATION = 0;
var $PRINC_EXPIRE_TIME_clear = TRUE;
var $PW_EXPIRATION_clear = TRUE;
var $MAX_LIFE = 36000;
var $MAX_RENEWABLE_LIFE = 604800;
var $MASK = 0;
var $flags = array(
"DISALLOW_POSTDATED" =>0x00000001 , // Prohibit postdated tickets
"DISALLOW_FORWARDABLE" =>0x00000002 , // Prohibit forwardable tickets
"DISALLOW_TGT_BASED" =>0x00000004 , // Disallow Ticket-Granting Service
"DISALLOW_RENEWABLE" =>0x00000008 , // Prohibit renewable tickets
"DISALLOW_PROXIABLE" =>0x00000010 , // Disallow proxiable tickets
"DISALLOW_DUP_SKEY" =>0x00000020 , // Disallow user to user authentification
"DISALLOW_ALL_TIX" =>0x00000040 , // Forbid ticket issuance
"REQUIRES_PRE_AUTH" =>0x00000080 , // Preauthentication required
"REQUIRES_HW_AUTH" =>0x00000100 , // Hardware preauthentication
"REQUIRES_PWCHANGE" =>0x00000200 , // Force a password change
"UNKNOWN_0x00000400" =>0x00000400 , // ?
"UNKNOWN_0x00000800" =>0x00000800 , // ?
"DISALLOW_SVR" =>0x00001000 , // Prohibit issuance of service tickets
"PWCHANGE_SERVICE" =>0x00002000 , // Password change service
"SUPPORT_DESMD5" =>0x00004000 , // ?
"NEW_PRINC" =>0x00008000 ); // ?
var $used_flags = 128; // Flags, see below
var $readonly = array(
"FAIL_AUTH_COUNT", // The number of failed logins
"KVNO", // Key version number
"LAST_FAILED", // Last failed login time
"LAST_PWD_CHANGE", // Password last change time
"LAST_SUCCESS", // Last successful login
"MOD_DATE"); // Last modification time
var $FAIL_AUTH_COUNT = 0;
var $KVNO = "";
var $LAST_FAILED = 0;
var $LAST_PWD_CHANGE = 0;
var $LAST_SUCCESS = 0;
var $MOD_DATE = 0;
var $POLICY = "_none_";
var $POLICIES = array(); // Policies provided by the corrently selected realm/server
public function is_locked($config,$dn = "")
{
return(FALSE);
}
public function lock_account($config,$dn = "")
{
return(FALSE);
}
public function unlock_account($config,$dn = "")
{
return(FALSE);
}
public function __construct(&$config,$dn = "new")
{
$this->config= $config;
$this->parent_dn = $dn;
/* No config object given, this may be the case
if there is only a is_available() request triggered.
*/
if(!is_object($this->config)){
return;
}
/* Keep the cached valued and skip loading principals
from si until this method gets configured.
*/
$skip_si_access = TRUE;
if($dn != "new" && $dn != ""){
session::un_set("MIT_CACHE");
session::un_set("MIT_PRINCIPAL_CACHE");
session::un_set("MIT_POLICY_CACHE");
$this->clear_cache();
$skip_si_access = FALSE;
}
/* Get a list of all kerberos servers, defined in ldap
and get a list of principals they are providing.
*/
$ldap = $this->config->get_ldap_link();
$ldap->cd($this->config->current['BASE']);
$ldap->search("(&(objectClass=goServer)(objectClass=goKrbServer))",array("goKrbRealm","cn","description","macAddress"));
$this->server_list = array();
while($attrs = $ldap->fetch()){
if(!isset($attrs['macAddress'][0])) continue;
if(!isset($attrs['description'][0])) $attrs['description'][0] ="";
if($skip_si_access){
$principals = array();
}else{
$principals = $this->load_principals_for_server($attrs['macAddress'][0]);
}
/* Create Realm/Server/Principal mapping.
*/
foreach($principals as $principal){
$this->map["PRINCIPAL_SERVER"][$principal] = $attrs['cn'][0];
$this->map["PRINCIPAL_REALM"] [$principal] = $attrs['goKrbRealm'][0];
}
$this->map["SERVER_REALM"][$attrs['cn'][0]] = $attrs['goKrbRealm'][0];
$this->map["REALM_SERVER"][$attrs['goKrbRealm'][0]] = $attrs['cn'][0];
/* Set first realm as selected.
*/
if($this->goKrbRealm == ""){
$this->goKrbRealm = $attrs['goKrbRealm'][0];
}
/* Create Server list
*/
$this->server_list[$attrs['cn'][0]] = array("macAddress" => $attrs['macAddress'][0],
"description"=> $attrs['description'][0],
"dn" => $attrs['dn'],
"principals" => $principals,
"goKrbRealm" => $attrs['goKrbRealm'][0],
"cn" => $attrs['cn'][0]);
}
/* If this methods is initialized with a valid object dn then
load the object data from ldap and the SI daemon && initialize this class.
*/
$this->is_new = TRUE;
if(!$skip_si_access){
$ldap = $this->config->get_ldap_link();
$ldap->cd($dn);
$ldap->cat($dn);
$this->attrs = $ldap->fetch();
/* Set initial pwd hash which take effect if no password method was set yet.
Will be overwritten by the following lines, if the user has already a valid principal.
*/
$this->principal = $this->attrs['uid'][0]."@".$this->goKrbRealm;
if(isset($this->attrs['userPassword']) && preg_match("/^\{".$this->get_hash_name()."\}/",$this->attrs['userPassword'][0])){
/* Extract principal name out of userPassword attribute
*/
$p_name = preg_replace("/^\{".$this->get_hash_name()."\}/","",$this->attrs['userPassword'][0]);
/* Try to detect server our principal is configured on
*/
if(isset($this->map['PRINCIPAL_SERVER'][$p_name])){
$server= $this->map['PRINCIPAL_SERVER'][$p_name];
$this->goKrbRealm = $this->map['SERVER_REALM'][$server];
$this->principal = $p_name;
/* Load policies */
$server_name = $this->map['REALM_SERVER'][$this->goKrbRealm];
$server_mac = $this->server_list[$server_name]['macAddress'];
$this->POLICIES = $this->load_policies_for_server($server_mac);
/* Load principal */
$this->load_principal($this->server_list[$server]['macAddress'],$p_name);
$this->is_new = FALSE;
}
}
}
}
public static function clear_cache()
{
session::un_set("MIT_CACHE");
session::un_set("MIT_PRINCIPAL_CACHE");
session::un_set("MIT_POLICY_CACHE");
}
/*! \brief Load a specific principal from the si daemon
and initialize this plugin with it.
@param String The macAddress of the kerberos server.
@param String The name of the principal to load.
*/
public function load_principal($server,$name)
{
$o = new gosaSupportDaemon();
$tmp = array();
$tmp = $o->krb5_get_principal($server,$name);
if($o->is_error()){
$this->si_error = TRUE;
$this->si_error_msg = sprintf(_("Cannot load principal '%s', from server '%s'!"),$name,$server).": <br>".$o->get_error();
msg_dialog::display(_("Service infrastructure"),msgPool::siError($o->get_error()),ERROR_DIALOG);
}else{
/* Load flags
*/
if(isset($tmp['ATTRIBUTES'])){
$this->used_flags = $tmp['ATTRIBUTES'];
}
/* Load readonly attributes
*/
foreach($this->readonly as $attr){
if(isset($tmp[$attr])){
$this->$attr = $tmp[$attr];
}
}
/* Load modifyable attributes
*/
foreach($this->values as $attr){
if(isset($tmp[$attr])){
$this->$attr = $tmp[$attr];
}
}
/* Update time checkboxes
*/
$date_values = array("PW_EXPIRATION","PRINC_EXPIRE_TIME");
foreach($date_values as $value){
if(!empty($this->$value)){
$clear = $value."_clear";
$this->$clear = FALSE;
}
}
}
}
/*! \brief Get the list of all configured principals for a given server.
@param String The servers mac address.
@return Array A list with all principals
The results will cached.
*/
public function load_principals_for_server($server)
{
if(!session::is_set("MIT_PRINCIPAL_CACHE")){
session::set("MIT_PRINCIPAL_CACHE",array());
}
$cache = session::get("MIT_PRINCIPAL_CACHE");
if(!isset($cache[$server])){
$o = new gosaSupportDaemon();
if($o->is_configured()){
$tmp = $o->krb5_list_principals($server);
if($o->is_error()){
$this->si_error = TRUE;
$this->si_error_msg = sprintf(_("Cannot load principals from server '%s'!"),$server).": <br>".$o->get_error();
msg_dialog::display(_("Service infrastructure"),msgPool::siError($o->get_error()),ERROR_DIALOG);
return(array());
}else{
$cache[$server] = $tmp;
}
}
session::set("MIT_PRINCIPAL_CACHE",$cache);
}
return($cache[$server]);
}
/*! \brief get list of all configured policies
for a given server.
The results will cached.
*/
public function load_policies_for_server($server)
{
if(!session::is_set("MIT_POLICY_CACHE")){
session::set("MIT_POLICY_CACHE",array());
}
$cache = session::get("MIT_POLICY_CACHE");
if(!isset($cache[$server])){
$o = new gosaSupportDaemon();
$tmp = $o->krb5_list_policies($server);
if($o->is_error()){
$this->si_error = TRUE;
$this->si_error_msg = sprintf(_("Cannot load policies from server '%s'!"),$server).": <br>".$o->get_error();
msg_dialog::display(_("Service infrastructure"),msgPool::siError($o->get_error()),ERROR_DIALOG);
return(array());
}else{
$cache[$server] = array();
$cache[$server]["_none_"] = _("none");
foreach($tmp as $policy){
$cache[$server][$policy] = $policy;
}
ksort($cache[$server]);
}
session::set("MIT_POLICY_CACHE",$cache);
}
return($cache[$server]);
}
/*! \brief Check if this password method is useable.
This is the case if there is a si server running and at least one server configured.
kerberos support.
*/
public function is_available()
{
global $config;
/* No config object given, this may be the case
if there is only a is_available() request triggered.
*/
if(!is_object($config)){
return;
}
$o = new gosaSupportDaemon(FALSE);
if(count($this->server_list) && $o->connect() && $o->is_configured()){
return TRUE;
}
return(FALSE);
}
/*! \brief Create the password hash. In this case: {kerberos/sasl}name@RELAM
@param String The password -in this case unusued.
@return String The generated hash
*/
public function generate_hash($pwd = "")
{
$mode= "kerberos";
/* No config object given, this may be the case
if there is only a is_available() request triggered.
*/
if (is_object($this->config) && $this->config->get_cfg_value("core","useSaslForKerberos") == "true"){
$mode= "sasl";
}
return "{".$mode."}".$this->attrs['uid'][0]."@".$this->goKrbRealm;
}
public function create_template_hash($attrs)
{
return($this->generate_hash());
}
/*! \brief Removes this principal.
*/
public function remove_from_parent()
{
if(!empty($this->principal) && $this->goKrbRealm){
$server = $this->map['REALM_SERVER'][$this->goKrbRealm];
$o = new gosaSupportDaemon();
if(!$o->krb5_del_principal($this->server_list[$server]['macAddress'],$this->principal)){
$this->si_error = TRUE;
$this->si_error_msg = $o->get_error();
msg_dialog::display(_("Service infrastructure"),msgPool::siError($o->get_error()),ERROR_DIALOG);
}
}
}
/*! \brief Set a new password for this principal
@param String The new password.
*/
public function set_password($password)
{
if(!empty($this->principal) && $this->goKrbRealm){
$server = $this->map['REALM_SERVER'][$this->goKrbRealm];
$o = new gosaSupportDaemon();
if(!$o->krb5_set_password($this->server_list[$server]['macAddress'],$this->principal,$password)){
msg_dialog::display(_("Service infrastructure"),msgPool::siError($o->get_error()),ERROR_DIALOG);
return(FALSE);
}
}
return(TRUE);
}
/*! \brief Return the hash name of this mehtod, e.g. to identify methods.
@return String The hash used by this method.
*/
public function get_hash_name()
{
$mode= "kerberos";
/* No config object given, this may be the case
if there is only a is_available() request triggered.
*/
if (is_object($this->config) && $this->config->get_cfg_value("core","useSaslForKerberos") == "true"){
$mode= "sasl";
}
return "$mode";
}
/*! \brief Returns TRUE if this method is configurable else FALSE
@retrun Boolena TRUE if configurable, else FALSE.
*/
public function is_configurable()
{
return TRUE;
}
/*! \brief Additional info displayed in the users password method drop down.
@retunr String Additional password method info.
*/
public function get_description()
{
return(_("Daemon based"));
}
/*! \brief Display a HTML based configuration dialog for this plugin
@return String HTML.
*/
public function configure()
{
$this->save_object();
$years = array();
$start = date("Y")-1;
for($i = $start; $i < ($start +20) ; $i++){
$years[$i] = $i;
}
$month= array();
for($i = 1; $i <= 12 ; $i++){
$month[str_pad($i,2,"0",STR_PAD_LEFT)] = $i;
}
$days= array();
for($i = 1; $i <= 31 ; $i++){
$days[str_pad($i,2,"0",STR_PAD_LEFT)] = $i;
}
$hours= array();
for($i = 0; $i <= 23 ; $i++){
$hours[str_pad($i,2,"0",STR_PAD_LEFT)] = $i;
}
$minutes= array();
for($i = 0; $i <= 59 ; $i++){
$minutes[str_pad($i,2,"0",STR_PAD_LEFT)] = $i;
}
/* Cancel heimdal options */
if (isset($_POST['pw_abort']) || $this->display == FALSE){
$this->display = FALSE;
return("");
}
/* Cancel heimdal options */
if (isset($_POST['pw_save'])){
$msgs = $this->check();
if(count($msgs)){
foreach($msgs as $msg){
msg_dialog::display(_("Kerberos"),$msg,WARNING_DIALOG);
}
}else{
$this->display = FALSE;
return "";
}
}
$smarty = get_smarty();
$smarty->assign("si_error",$this->si_error);
$smarty->assign("si_error_msg",$this->si_error_msg);
$smarty->assign("years", set_post($years));
$smarty->assign("month", set_post($month));
$smarty->assign("days", set_post($days));
$smarty->assign("hours", set_post($hours));
$smarty->assign("minutes", set_post($minutes));
$smarty->assign("server_list", $this->server_list);
$smarty->assign("POLICY", $this->POLICY);
$smarty->assign("goKrbRealm", $this->goKrbRealm);
$server_name = $this->map['REALM_SERVER'][$this->goKrbRealm];
$server_mac = $this->server_list[$server_name]['macAddress'];
$this->POLICIES = $this->load_policies_for_server($server_mac);
$smarty->assign("POLICIES" ,$this->POLICIES);
foreach($this->values as $attr){
$smarty->assign($attr ,set_post($this->$attr));
}
foreach($this->readonly as $attr){
$smarty->assign($attr ,set_post($this->$attr));
}
foreach($this->flags as $attr => $hex){
$smarty->assign($attr, ($this->used_flags & $hex ));
}
$date_values = array("PRINC_EXPIRE_TIME","PW_EXPIRATION");
foreach($date_values as $date_val){
$clear = $date_val."_clear";
$smarty->assign($date_val."_clear",$this->$clear);
$smarty->assign($date_val."_y",date("Y",$this->$date_val));
$smarty->assign($date_val."_m",date("m",$this->$date_val));
$smarty->assign($date_val."_d",date("d",$this->$date_val));
$smarty->assign($date_val."_h",date("h",$this->$date_val));
$smarty->assign($date_val."_i",date("i",$this->$date_val));
}
return($smarty->fetch(get_template_path("pwd_kerberos_mit.tpl",TRUE,dirname(__FILE__))));
}
/*! \brief Saves all relevant HTML posts for this plugin
*/
public function save_object()
{
/* If the communication with the si server failed,
you are able to retry to connect to the server.
Here we hanlde those requests.
*/
if(isset($_POST['retry_si'])){
$this->si_error= FALSE;
$this->si_error_msg= "";
session::un_set("MIT_PRINCIPAL_CACHE");
session::un_set("MIT_POLICY_CACHE");
$this->__construct($this->config,$this->parent_dn);
}
/* Only handle posts for this plugin, it its content was posted
*/
if(isset($_POST['pwd_heimdal_posted'])){
if(isset($_POST['goKrbRealm'])){
$this->goKrbRealm = get_post("goKrbRealm");
}
$this->used_flags = 0;
foreach($this->flags as $attr => $hex){
if(isset($_POST[$attr])){
$this->used_flags |= $hex;
}
}
foreach(array("MAX_LIFE","MAX_RENEWABLE_LIFE","POLICY") as $attr){
if(isset($_POST[$attr])){
$this->$attr = get_post($attr);
}
}
$date_values = array("PW_EXPIRATION","PRINC_EXPIRE_TIME");
foreach($date_values as $date_value){
$clear = $date_value."_clear";
if(isset($_POST[$date_value."_clear"])){
$this->$clear = TRUE;
}else{
$this->$clear = FALSE;
$this->$date_value = gmmktime(
get_post($date_value."_h"),
get_post($date_value."_i"),
0,
get_post($date_value."_m"),
get_post($date_value."_d"),
get_post($date_value."_y"));
}
}
}
}
/*! \brief Checks the values specified in the configuration dialog.
@return Array Containing all error messages.
*/
public function check()
{
$message = array();
if(!preg_match("/^[0-9]*$/",$this->MAX_LIFE)){
$message[] = msgPool::invalid(_("Ticket max life"),$this->MAX_LIFE,"/[0-9]/");
}
if(!preg_match("/^[0-9]*$/",$this->MAX_RENEWABLE_LIFE)){
$message[] = msgPool::invalid(_("Ticket max renew"),$this->MAX_RENEWABLE_LIFE,"/[0-9]/");
}
return($message);
}
/*! \brief Adapt account settings from given dn
*/
public function adapt_from_template ($dn)
{
$source = new passwordMethodMIT($this->config,$dn);
$attrs = array("PRINC_EXPIRE_TIME","PW_EXPIRATION","POLICY","MAX_LIFE","MAX_RENEWABLE_LIFE","MASK","used_flags");
foreach($attrs as $attr){
$this->$attr = $source->$attr;
}
}
/*! \brief Saves changes back to the SI daemon.
*/
public function save($dn)
{
$ldap = $this->config->get_ldap_link();
$ldap->cd($dn);
$ldap->cat($dn,array('uid'));
$attrs = $ldap->fetch();
if(isset($attrs['uid'][0])){
/* Get servers mac */
$server_name = $this->map['REALM_SERVER'][$this->goKrbRealm];
$server_mac = $this->server_list[$server_name]['macAddress'];
$uid = $attrs['uid'][0];
$principal = $uid."@".strtoupper($this->goKrbRealm);
$policy = $this->POLICY;
/* Collect flags */
$flags = array();
$entry = array();
$entry['ATTRIBUTES'] = $this->used_flags;
/* Append other values */
foreach($this->values as $attr){
if($attr == "POLICY") continue;
$entry[$attr] = $this->$attr;
}
/* Prepare entry to be saved */
if($policy != "_none_"){
$entry['POLICY'] = $policy;
}
/* Set date values
*/
$date_values = array("PW_EXPIRATION","PRINC_EXPIRE_TIME");
foreach($date_values as $value){
$clear = $value."_clear";
if($this->$clear){
$entry[$value] = 0;
}
}
/* Save principal changes */
$o = new gosaSupportDaemon();
if(in_array_strict($principal,$this->server_list[$server_name]['principals'])){
$this->is_new = FALSE;
}
if($this->is_new){
$o->krb5_add_principal($server_mac,$principal,$entry);
}else{
$o->krb5_set_principal($server_mac,$principal,$entry);
}
if($o->is_error()){
$this->si_error = TRUE;
$this->si_error_msg = $o->get_error();
msg_dialog::display(_("Service infrastructure"),msgPool::siError($o->get_error()),ERROR_DIALOG);
}
}
}
}
// vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
?>
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