Added new MIT password method.

git-svn-id: https://oss.gonicus.de/repositories/gosa/trunk@10687 594d385d-05f5-0310-b6e9-bd551577e9d8

diff --git a/gosa-plugins/heimdal/admin/systems/services/kerberos/class_password-methods-MIT.inc b/gosa-plugins/heimdal/admin/systems/services/kerberos/class_password-methods-MIT.inc
new file mode 100644 (file)
index 0000000..6cbe331
--- /dev/null
+++ b/gosa-plugins/heimdal/admin/systems/services/kerberos/class_password-methods-MIT.inc
@@ -0,0 +1,469 @@
+<?php
+/*
+   This code is part of GOsa (https://gosa.gonicus.de)
+   Copyright (C) 2007 Cajus Pollmeier
+
+   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 $krb5MaxLife      = "";
+  var $krb5MaxRenew     = "";
+  var $krb5ValidStart   = "";
+  var $krb5ValidEnd     = "";
+  var $krb5PasswordEnd  = "";
+  var $krb5ValidStart_clear   = TRUE;
+  var $krb5ValidEnd_clear     = TRUE;
+  var $krb5PasswordEnd_clear  = TRUE;
+
+  var $display = TRUE;
+
+  var $flag_list = array(
+      "0"=>"initial" , 
+      "1"=>"forwardable" , 
+      "2"=>"proxiable" , 
+      "3"=>"renewable" , 
+      "4"=>"postdate" , 
+      "5"=>"server" , 
+      "6"=>"client" , 
+      "7"=>"invalid" , 
+      "8"=>"require-preauth" , 
+      "9"=>"change-pw" , 
+      "10"=>"require-hwauth" , 
+      "11"=>"ok-as-delegate" , 
+      "12"=>"user-to-user" , 
+      "13"=>"immutable");
+
+  var $krb5KDCFlags     = 123;
+
+  var $dn                     = "new";
+  var $parent_dn              = "new";
+  var $attributes             = array("krb5MaxLife","krb5MaxRenew","krb5KDCFlags",
+                                      "krb5ValidStart","krb5ValidEnd","krb5PasswordEnd");
+  var $attrs                  = array();
+  var $is_account             = FALSE;
+
+  var $server_list = array();
+
+       function __construct(&$config,$dn = "new")  
+       {
+    $this->config= $config;
+    $this->parent_dn = $dn;
+
+    $this->is_account = FALSE;
+    $this->krb5MaxLife    = 86400;
+    $this->krb5MaxRenew   = 604800;
+    $this->krb5ValidStart = date("Ymd",time())."0000Z";
+    $this->krb5ValidEnd   = date("Ymd",time())."0000Z";
+    $this->krb5PasswordEnd= date("Ymd",time())."0000Z;";
+
+    if(!is_object($config)){
+      return;
+    }  
+
+    /* Keep cache until we try to configure a principal 
+     */
+    if($dn != "new" && $dn != ""){
+      echo "Reload cache";
+      session::un_set("MIT_CACHE");
+    }
+
+    /* Get a list of all kerberos servers 
+     */
+    $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] ="";
+      $this->server_list[$attrs['cn'][0]] = array("macAddress" => $attrs['macAddress'][0],
+                                                  "description"=> $attrs['description'][0],
+                                                  "dn"         => $attrs['dn'],
+                                                  "principals" => $this->load_principals_for_server($attrs['macAddress'][0]),
+                                                  "goKrbRealm" => array($attrs['goKrbRealm'][0]),
+                                                  "cn"         => $attrs['cn'][0]);
+    }
+
+    /* Load object data from ldap && initialize this class  
+     */
+    if($dn != "new" && $dn != ""){
+      $ldap = $this->config->get_ldap_link();
+      $ldap->cd($dn);
+      $ldap->cat($dn);
+      $this->attrs = $ldap->fetch();
+      if(isset($this->attrs['userPassword'])){
+
+        $p_name = preg_replace("/^\{".$this->get_hash_name()."\}/","",$this->attrs['userPassword'][0]);
+   
+        /* Try to detect server our principal is configured on
+         */
+        foreach($this->server_list as $server => $data){
+          if(in_array($p_name,$data['principals'])){
+            $info = $this->load_principal($data['macAddress'],$p_name);
+            if(!count($info)){
+            }
+            break;
+          }
+        }
+      }
+    }
+  }
+
+
+  /*! \brief get list of all configured principals
+        for a given server. 
+       The results will cached.  
+   */
+  public function load_principal($server,$name)
+  {
+    return(array());
+    $o = new gosaSupportDaemon();
+    $tmp = array();
+    $tmp = $o->krb5_get_principal($server,$name);
+    if($o->is_error()){
+      msg_dialog::display(_("Service infrastructure"),msgPool::siError($o->get_error()),ERROR_DIALOG);      
+    }
+
+    return($tmp); 
+  }
+
+
+  /*! \brief get list of all configured principals
+        for a given server. 
+       The results will cached.  
+   */
+  public function load_principals_for_server($server)
+  {
+    if(!session::is_set("MIT_CACHE")){
+      session::set("MIT_CACHE",array());
+    }
+    $cache = session::get("MIT_CACHE");
+    if(!isset($cache[$server])){
+      $o = new gosaSupportDaemon();
+      $tmp = $o->krb5_list_principals($server);
+      $cache[$server] = $tmp;
+      session::set("MIT_CACHE",$cache);
+    }
+    return($cache[$server]);
+  }
+ 
+
+  /*! \brief Check if this password method is useable. 
+             This is the case if there is at least one si server which provides 
+              kerberos support. 
+   */ 
+       function is_available()
+       {
+    foreach($this->server_list as $server => $data){
+      if(count($data['principals'])){
+        return(TRUE);
+      }
+    }
+    return(FALSE);
+  }
+
+
+       function generate_hash($pwd)
+       {
+    $mode= "kerberos";
+    if (isset($this->config->current['KRBSASL']) && preg_match('/^true$/i', $this->config->current['KRBSASL'])){
+      $mode= "sasl";
+    }
+    return "{".$mode."}".$this->attrs['uid'][0]."@".$cfg= $this->config->data['SERVERS']['KERBEROS']['REALM'];
+       }
+
+
+  function remove_from_parent()
+  {
+    if($this->is_account && $this->dn != "new"){
+      $ldap = $this->config->get_ldap_link();
+      $ldap->cat($this->dn,array("dn"));
+      if($ldap->count()){
+        $ldap->rmdir($this->dn);
+        if (!$ldap->success()){
+          msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn, LDAP_DEL, get_class()));
+        }
+      }
+    }
+  }
+
+
+  function set_password($password)
+  {
+    #TODO
+    # Add or modify kerberos entry below $this->dn
+    # See https://oss.gonicus.de/labs/gosa/ticket/223
+    # Order: create entries, then call the heimdal_keygen hook with the realm (returned by generate_hash)
+    #        to let it add the missing kerberos keys.
+
+    global $config;
+    $cmd = "";
+    if(isset($config->current['HEIMDAL_KEYGEN'])){
+      $cmd = $config->current['HEIMDAL_KEYGEN'];
+      if(!check_command($cmd)){
+        new msg_dialog(_("Heimdal"), msgPool::cmdinvalid("HEIMDAL_KEYGEN",$cmd,_("Heimdal")),WARNING_DIALOG);
+      }
+    }
+    if(isset($this->config->data['MAIN']['HEIMDAL_KEYGEN'])){
+      $cmd = $this->config->data['MAIN']['HEIMDAL_KEYGEN'];
+      if(!check_command($cmd)){
+        new msg_dialog(_("Heimdal"), msgPool::cmdinvalid("HEIMDAL_KEYGEN",$cmd,_("Heimdal")),WARNING_DIALOG);
+      }
+    }
+    if ($cmd != ""){
+
+      /* Display in error message */
+      $cmdd = $cmd." '".$this->generate_hash($password)."' 'PASSWORD'";
+
+      /* Execute command and check return value */
+      $cmd  = $cmd." '".$this->generate_hash($password)."' '".$password."'" ;
+      exec($cmd,$out,$res);
+      if($res != 0){
+        new msg_dialog(_("Heimdal"), msgPool::cmdexecfailed("HEIMDAL_KEYGEN",$cmd,_("Heimdal")),WARNING_DIALOG);
+      }
+    }
+  }
+
+
+  function get_hash_name()
+  {
+    $mode= "kerberos";
+    if (isset($this->config->current['KRBSASL']) && preg_match('/^true$/i', $this->config->current['KRBSASL'])){
+      $mode= "sasl";
+    }
+    return "$mode";
+  }
+
+
+  function is_configurable()
+  {
+    return TRUE;
+  }
+
+
+  function configure()
+  {
+    $this->save_object();
+
+    /* Cancel heimdal options */
+    if (isset($_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 $msg){
+          msg_dialog::display(_("Heimdal"),$msg,WARNING_DIALOG);
+        }
+      }else{
+        $this->display = FALSE;
+        return "";
+      }
+    }
+
+    $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;
+    }
+  
+
+    $smarty = get_smarty();
+    $smarty->assign("years",$years);
+    $smarty->assign("month",$month);
+    $smarty->assign("days",$days);
+    $smarty->assign("hours",$hours);
+    $smarty->assign("minutes",$minutes);
+
+    $date_values = array("krb5ValidStart","krb5ValidEnd","krb5PasswordEnd");
+    foreach($date_values as $date_val){
+      $clear = $date_val."_clear";
+      $smarty->assign($date_val."_clear",$this->$clear);
+      $smarty->assign($date_val."_y",substr($this->$date_val,0,4));
+      $smarty->assign($date_val."_m",substr($this->$date_val,4,2));
+      $smarty->assign($date_val."_d",substr($this->$date_val,6,2));
+      $smarty->assign($date_val."_h",substr($this->$date_val,8,2));
+      $smarty->assign($date_val."_i",substr($this->$date_val,10,2));
+    }
+
+    foreach($this->attributes as $attr){
+      $smarty->assign($attr ,$this->$attr);
+    }
+    foreach($this->flag_list as $key => $name){
+      $val = pow(2,$key);
+      if($this->krb5KDCFlags & $val){
+        $smarty->assign("krb5KDCFlags_".$key,TRUE);
+      }else{
+        $smarty->assign("krb5KDCFlags_".$key,FALSE);
+      }
+    }
+
+    return($smarty->fetch(get_template_path("pwd_heimdal.tpl")));
+  }
+
+  
+  function save_object()
+  {
+    if(isset($_POST['pwd_heimdal_posted'])){
+
+      $date_values = array("krb5ValidStart","krb5ValidEnd","krb5PasswordEnd");
+      foreach($date_values as $date_value){
+        $clear = $date_value."_clear";
+        if(isset($_POST[$date_value."_clear"])){
+          $this->$clear = TRUE;
+        }else{
+          $this->$clear = FALSE;
+          $str = "";
+          foreach(array("y","m","d","h","i") as $val){
+            if(isset($_POST[$date_value."_".$val])){
+              $str .= $_POST[$date_value."_".$val]; 
+            }
+          }
+          $this->$date_value = $str."Z";
+        }
+      }
+
+      foreach($this->attributes as $attr){
+        if(isset($_POST[$attr])){
+          $this->$attr = get_post($attr);
+        }
+      }
+  
+      $int = "";
+      foreach($this->flag_list as $key => $name){
+        $post = "krb5KDCFlags_".$key;
+        if(isset($_POST[$post])){
+          $int |= pow(2,$key);
+        }
+      }
+      $this->krb5KDCFlags = $int;
+    }
+  }
+
+  function check()
+  {
+    $message = array();
+    if(!is_numeric($this->krb5MaxLife) && !empty($this->krb5MaxLife)){
+      $message[] = msgPool::invalid(_("Max life"),$this->krb5MaxLife,"/[0-9]/");
+    }
+    if(!is_numeric($this->krb5MaxRenew) && !empty($this->krb5MaxRenew)){
+      $message[] = msgPool::invalid(_("Max renew"),$this->krb5MaxRenew,"/[0-9]/");
+    }
+   if(!$this->krb5ValidStart_clear && !$this->chk_times($this->krb5ValidStart)){
+     $message[] = msgPool::invalid(_("Valid start"),$this->krb5ValidStart,"/[0-9]/");
+   }
+   if(!$this->krb5ValidEnd_clear && !$this->chk_times($this->krb5ValidEnd)){
+     $message[] = msgPool::invalid(_("Valid end"),$this->krb5ValidEnd,"/[0-9]/");
+   }
+   if(!$this->krb5PasswordEnd_clear && !$this->chk_times($this->krb5PasswordEnd)){
+     $message[] = msgPool::invalid(_("Valid password"),$this->krb5PasswordEnd,"/[0-9]/");
+   }
+    return($message);
+  }
+
+
+  function chk_times($str)
+  {
+    if(preg_match("/^([0-9]){12,12}[a-z]$/i",$str)){
+      return(true);
+    }
+    return(false);
+  }
+ 
+ 
+  function save($dn)
+  {
+    $realm = $this->config->data['SERVERS']['KERBEROS']['REALM'];
+
+    $ldap = $this->config->get_ldap_link();
+    $ldap->cd($dn);
+    $ldap->cat($dn,array('uid'));
+    $attrs = $ldap->fetch();
+    if(isset($attrs['uid'][0])){
+
+      $uid  = $attrs['uid'][0];
+      $name = $uid."@".strtoupper($realm); 
+      $dn   = "krb5PrincipalName=".$name.",".$dn;
+
+      $data = array();
+      $data['krb5PrincipalName'] = $name;
+      $data['objectClass']  = array("top","account","krb5Principal","krb5KDCEntry");
+      $data['krb5PrincipalName'] =$name;
+      $data['uid'] = $uid;
+      $data['krb5KeyVersionNumber'] = rand(100000,99999999);
+
+      if($this->is_account){ 
+        foreach($this->attributes as $attr){
+          $data[$attr] = array();
+        }
+      }
+
+      /* Append Flags */
+      $data['krb5KDCFlags']   = $this->krb5KDCFlags;
+      if(!empty($this->krb5MaxLife)){
+        $data['krb5MaxLife']    = $this->krb5MaxLife;
+      }
+      if(!empty($this->krb5MaxRenew)){
+        $data['krb5MaxRenew']   = $this->krb5MaxRenew;
+      }
+      if(!$this->krb5ValidStart_clear){
+        $data['krb5ValidStart'] = $this->krb5ValidStart;
+      }
+      if(!$this->krb5ValidEnd_clear){
+        $data['krb5ValidEnd']   = $this->krb5ValidEnd;
+      }
+      if(!$this->krb5PasswordEnd_clear){
+        $data['krb5PasswordEnd']= $this->krb5PasswordEnd;
+      }
+
+      /* Add / Updated data */
+      $ldap->cd($dn);
+      if(!$this->is_account){ 
+        $ldap->add($data);
+      }else{
+        $ldap->modify($data);
+      }
+      if (!$ldap->success()){
+        msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $dn, 0, get_class()));
+      }
+    }
+  }
+}
+
+// vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
+?>