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[gosa.git] / branches / old / gosa-plugins / mit-krb5 / admin / systems / services / kerberos / class_password-methods-MIT.inc
diff --git a/branches/old/gosa-plugins/mit-krb5/admin/systems/services/kerberos/class_password-methods-MIT.inc b/branches/old/gosa-plugins/mit-krb5/admin/systems/services/kerberos/class_password-methods-MIT.inc
--- /dev/null
+++ b/branches/old/gosa-plugins/mit-krb5/admin/systems/services/kerberos/class_password-methods-MIT.inc
@@ -0,0 +1,643 @@
+<?php
+/*
+ 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 , // Pohibit 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 = "";
+ var $POLICIES = array(); // Policies provided by the corrently selected realm/server
+
+
+ public function __construct(&$config,$dn = "new")
+ {
+ $this->config= $config;
+ $this->parent_dn = $dn;
+
+ /* No config object given, this may be the case
+ if there is only a is_available() request triggered.
+ */
+ if(!is_object($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();
+ $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()
+ {
+ $o = new gosaSupportDaemon(FALSE);
+ if(count($this->server_list) && $o->connect()){
+ return TRUE;
+ }
+ return(FALSE);
+ }
+
+
+ /*! \brief Create the password hash. In this case: {kerberos/sasl}name@RELAM
+ @param String The password -in this case unusued.
+ @return String The generated hash
+ */
+ public function generate_hash($pwd = "")
+ {
+ $mode= "kerberos";
+ if ($this->config->get_cfg_value("krbsasl") == "true"){
+ $mode= "sasl";
+ }
+ return "{".$mode."}".$this->attrs['uid'][0]."@".$this->goKrbRealm;
+ }
+
+
+ /*! \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()
+ {
+ $mode= "kerberos";
+ if ($this->config->get_cfg_value("krbsasl") == "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);
+ $smarty->assign("years",$years);
+ $smarty->assign("month",$month);
+ $smarty->assign("days",$days);
+ $smarty->assign("hours",$hours);
+ $smarty->assign("minutes",$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 ,$this->$attr);
+ }
+ foreach($this->readonly as $attr){
+ $smarty->assign($attr ,$this->$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(
+ $_POST[$date_value."_h"],
+ $_POST[$date_value."_i"],
+ 0,
+ $_POST[$date_value."_m"],
+ $_POST[$date_value."_d"],
+ $_POST[$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($message);
+ }
+
+
+ /*! \brief Saves changes back to the SI daemon.
+ */
+ public function save($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 */
+ $o = new gosaSupportDaemon();
+ if(in_array($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:
+?>