Code

Updated management.
[gosa.git] / gosa-core / include / class_plugin.inc
index 74b530e0a726e821d5b6c0415cf2ef26d0db648b..0691c206073d220480c29269e45c8d395ee68038 100644 (file)
@@ -113,6 +113,7 @@ class plugin
 
   var $acl_base= "";
   var $acl_category= "";
+  var $read_only = FALSE; // Used when the entry is opened as "readonly" due to locks.
 
   /* This can be set to render the tabulators in another stylesheet */
   var $pl_notify= FALSE;
@@ -138,7 +139,7 @@ class plugin
     \param dn Distinguished name to initialize plugin from
     \sa plugin()
    */
-  function plugin (&$config, $dn= NULL, $parent= NULL)
+  function plugin (&$config, $dn= NULL, $object= NULL)
   {
     /* Configuration is fine, allways */
     $this->config= &$config;   
@@ -149,6 +150,16 @@ class plugin
       return;
     }
 
+    /* Check if this entry was opened in read only mode */
+    if(isset($_POST['open_readonly'])){
+      if(session::global_is_set("LOCK_CACHE")){
+        $cache = &session::get("LOCK_CACHE");
+        if(isset($cache['READ_ONLY'][$this->dn])){
+          $this->read_only = TRUE;
+        }
+      }
+    }
+
     /* Save current dn as acl_base */
     $this->acl_base= $dn;
 
@@ -156,8 +167,8 @@ class plugin
     if ($dn !== NULL){
 
       /* Load data to 'attrs' and save 'dn' */
-      if ($parent !== NULL){
-        $this->attrs= $parent->attrs;
+      if ($object !== NULL){
+        $this->attrs= $object->attrs;
       } else {
         $ldap= $this->config->get_ldap_link();
         $ldap->cat ($dn);
@@ -168,7 +179,7 @@ class plugin
       foreach ($this->attributes as $val){
         $found= array_key_ics($val, $this->attrs);
         if ($found != ""){
-          $this->$val= $this->attrs["$found"][0];
+          $this->$val= $found[0];
         }
       }
 
@@ -180,7 +191,7 @@ class plugin
       /* Set the template flag according to the existence of objectClass
          gosaUserTemplate */
       if (isset($this->attrs['objectClass'])){
-        if (in_array ("gosaUserTemplate", $this->attrs['objectClass'])){
+        if (in_array_ics ("gosaUserTemplate", $this->attrs['objectClass'])){
           $this->is_template= TRUE;
           @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__,
               "found", "Template check");
@@ -207,11 +218,12 @@ class plugin
       /* Prepare saved attributes */
       $this->saved_attributes= $this->attrs;
       foreach ($this->saved_attributes as $index => $value){
-        if (preg_match('/^[0-9]+$/', $index)){
+        if (is_numeric($index)){
           unset($this->saved_attributes[$index]);
           continue;
         }
-        if (!in_array($index, $this->attributes) && $index != "objectClass"){
+
+        if (!in_array_ics($index, $this->attributes) && strcasecmp('objectClass', $index)){
           unset($this->saved_attributes[$index]);
           continue;
         }
@@ -229,6 +241,7 @@ class plugin
         }
         unset($this->saved_attributes["$index"]["count"]);
       }
+
       if(isset($this->attrs['gosaUnitTag'])){
         $this->saved_attributes['gosaUnitTag'] = $this->attrs['gosaUnitTag'][0];
       }
@@ -246,11 +259,13 @@ class plugin
   function execute()
   {
     /* This one is empty currently. Fabian - please fill in the docu code */
-    session::set('current_class_for_help',get_class($this));
+    session::global_set('current_class_for_help',get_class($this));
 
     /* Reset Lock message POST/GET check array, to prevent perg_match errors*/
     session::set('LOCK_VARS_TO_USE',array());
-    session::set('LOCK_VARS_USED',array());
+    session::set('LOCK_VARS_USED_GET',array());
+    session::set('LOCK_VARS_USED_POST',array());
+    session::set('LOCK_VARS_USED_REQUEST',array());
   }
 
   /*! \brief execute plugin
@@ -273,7 +288,7 @@ class plugin
     /* Remove objectClasses from entry */
     $ldap->cd($this->dn);
     $this->attrs= array();
-    $this->attrs['objectClass']= array_remove_entries($this->objectclasses,$oc);
+    $this->attrs['objectClass']= array_remove_entries_ics($this->objectclasses,$oc);
 
     /* Unset attributes from entry */
     foreach ($this->attributes as $val){
@@ -630,14 +645,17 @@ class plugin
       /* Additional attributes */
       foreach ($tmp as $name => $len){
         $value = $add_attrs[$name];
-        $command= preg_replace("/%$name/", "$value", $command);
+        $command= str_replace("%$name", "$value", $command);
       }
 
       if (check_command($command)){
         @DEBUG (DEBUG_SHELL, __LINE__, __FUNCTION__, __FILE__,
             $command, "Execute");
-
-        exec($command);
+        exec($command,$arr);
+        foreach($arr as $str){
+          @DEBUG (DEBUG_SHELL, __LINE__, __FUNCTION__, __FILE__,
+            $command, "Result: ".$str);
+        }
       } else {
         $message= msgPool::cmdnotfound("POSTCREATE", get_class($this));
         msg_dialog::display(_("Error"), $message, ERROR_DIALOG);
@@ -669,12 +687,16 @@ class plugin
       /* Additional attributes */
       foreach ($tmp as $name => $len){
         $value = $add_attrs[$name];
-        $command= preg_replace("/%$name/", "$value", $command);
+        $command= str_replace("%$name", "$value", $command);
       }
 
       if (check_command($command)){
         @DEBUG (DEBUG_SHELL, __LINE__, __FUNCTION__, __FILE__,$command, "Execute");
-        exec($command);
+        exec($command,$arr);
+        foreach($arr as $str){
+          @DEBUG (DEBUG_SHELL, __LINE__, __FUNCTION__, __FILE__,
+            $command, "Result: ".$str);
+        }
       } else {
         $message= msgPool::cmdnotfound("POSTMODIFY", get_class($this));
         msg_dialog::display(_("Error"), $message, ERROR_DIALOG);
@@ -705,14 +727,18 @@ class plugin
       /* Additional attributes */
       foreach ($tmp as $name => $len){
         $value = $add_attrs[$name];
-        $command= preg_replace("/%$name/", "$value", $command);
+        $command= str_replace("%$name", "$value", $command);
       }
 
       if (check_command($command)){
         @DEBUG (DEBUG_SHELL, __LINE__, __FUNCTION__, __FILE__,
             $command, "Execute");
 
-        exec($command);
+        exec($command,$arr);
+        foreach($arr as $str){
+          @DEBUG (DEBUG_SHELL, __LINE__, __FUNCTION__, __FILE__,
+            $command, "Result: ".$str);
+        }
       } else {
         $message= msgPool::cmdnotfound("POSTREMOVE", get_class($this));
         msg_dialog::display(_("Error"), $message, ERROR_DIALOG);
@@ -720,6 +746,39 @@ class plugin
     }
   }
 
+
+  /* Create unique DN */
+  function create_unique_dn2($data, $base)
+  {
+    $ldap= $this->config->get_ldap_link();
+    $base= preg_replace("/^,*/", "", $base);
+
+    /* Try to use plain entry first */
+    $dn= "$data,$base";
+    $attribute= preg_replace('/=.*$/', '', $data);
+    $ldap->cat ($dn, array('dn'));
+    if (!$ldap->fetch()){
+      return ($dn);
+    }
+
+    /* Look for additional attributes */
+    foreach ($this->attributes as $attr){
+      if ($attr == $attribute || $this->$attr == ""){
+        continue;
+      }
+
+      $dn= "$data+$attr=".$this->$attr.",$base";
+      $ldap->cat ($dn, array('dn'));
+      if (!$ldap->fetch()){
+        return ($dn);
+      }
+    }
+
+    /* None found */
+    return ("none");
+  }
+
+
   /* Create unique DN */
   function create_unique_dn($attribute, $base)
   {
@@ -750,6 +809,7 @@ class plugin
     return ("none");
   }
 
+
   function rebind($ldap, $referral)
   {
     $credentials= LDAP::get_credentials($referral, $this->config->current['REFERRAL']);
@@ -779,8 +839,9 @@ class plugin
       ldap_set_rebind_proc($ds, array(&$this, "rebind"));
     }
 
-    $r=ldap_bind($ds,$this->config->current['ADMIN'], $this->config->current['PASSWORD']);
-    $sr=ldap_read($ds, @LDAP::fix($src_dn), "objectClass=*");
+    $pwd = $this->config->get_credentials($this->config->current['ADMINPASSWORD']);
+    $r=ldap_bind($ds,$this->config->current['ADMINDN'], $pwd);
+    $sr=ldap_read($ds, LDAP::fix($src_dn), "objectClass=*");
 
     /* Fill data from LDAP */
     $new= array();
@@ -807,14 +868,14 @@ class plugin
     /* Adapt naming attribute */
     $dst_name= preg_replace("/^([^=]+)=.*$/", "\\1", $dst_dn);
     $dst_val = preg_replace("/^[^=]+=([^,+]+).*,.*$/", "\\1", $dst_dn);
-    $new[$dst_name]= @LDAP::fix($dst_val);
+    $new[$dst_name]= LDAP::fix($dst_val);
 
     /* Check if this is a department.
      * If it is a dep. && there is a , override in his ou 
      *  change \2C to , again, else this entry can't be saved ...
      */
     if((isset($new['ou'])) &&( preg_match("/\\,/",$new['ou']))){
-      $new['ou'] = preg_replace("/\\\\,/",",",$new['ou']);
+      $new['ou'] = str_replace("\\\\,",",",$new['ou']);
     }
 
     /* Save copy */
@@ -826,6 +887,9 @@ class plugin
     /* FAIvariable=.../..., cn=.. 
         could not be saved, because the attribute FAIvariable was different to 
         the dn FAIvariable=..., cn=... */
+
+    if(!is_array($new['objectClass'])) $new['objectClass'] = array($new['objectClass']);
+
     if(in_array_ics("FAIdebconfInfo",$new['objectClass'])){
       $new['FAIvariable'] = $ldap->fix($new['FAIvariable']);
     }
@@ -858,7 +922,7 @@ class plugin
     $ldap->cat($dst_dn);
     $attrs= $ldap->fetch();
     if (count($attrs)){
-      trigger_error("Trying to overwrite ".@LDAP::fix($dst_dn).", which already exists.",
+      trigger_error("Trying to overwrite ".LDAP::fix($dst_dn).", which already exists.",
           E_USER_WARNING);
       return (FALSE);
     }
@@ -866,7 +930,7 @@ class plugin
     $ldap->cat($src_dn);
     $attrs= $ldap->fetch();
     if (!count($attrs)){
-      trigger_error("Trying to move ".@LDAP::fix($src_dn).", which does not seem to exist.",
+      trigger_error("Trying to move ".LDAP::fix($src_dn).", which does not seem to exist.",
           E_USER_WARNING);
       return (FALSE);
     }
@@ -875,7 +939,7 @@ class plugin
     $ldap->search("objectClass=*",array("dn"));
     while($attrs = $ldap->fetch()){
       $src = $attrs['dn'];
-      $dst = preg_replace("/".normalizePreg($src_dn)."$/",$dst_dn,$attrs['dn']);
+      $dst = preg_replace("/".preg_quote($src_dn, '/')."$/",$dst_dn,$attrs['dn']);
       $this->_copy($src,$dst);
     }
     return (TRUE);
@@ -898,76 +962,64 @@ class plugin
 
     /* Try to move the source entry to the destination position */
     $ldap = $this->config->get_ldap_link();
+    $ldap->cd($this->config->current['BASE']);
+    $ldap->create_missing_trees(preg_replace("/^[^,]+,/","",$dst_dn));
     if (!$ldap->rename_dn($src_dn,$dst_dn)){
-      msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $src_dn, "", get_class()));
+#      msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $src_dn, "", get_class()));
+      new log("debug","Ldap Protocol v3 implementation error, ldap_rename failed, falling back to manual copy.","FROM: $src_dn  -- TO: $dst_dn",array(),$ldap->get_error());
+      @DEBUG(DEBUG_LDAP,__LINE__,__FUNCTION__,__FILE__,"Rename failed FROM: $src_dn  -- TO:  $dst_dn", 
+          "Ldap Protocol v3 implementation error, falling back to maunal method.");
       return(FALSE);
     }
 
-    /* Get list of groups within this tree,
+    /* Get list of users,groups and roles within this tree,
         maybe we have to update ACL references.
      */
-    $leaf_groups = get_list("(objectClass=posixGroup)",array("all"),$dst_dn,
+    $leaf_objs = get_list("(|(objectClass=posixGroup)(objectClass=gosaAccount)(objectClass=gosaRole))",array("all"),$dst_dn,
           array("dn","objectClass"),GL_SUBSEARCH | GL_NO_ACL_CHECK);
-    
-    /* Get list of users within this tree,
-        maybe we have to update ACL references.
-     */
-    $leaf_users=  get_list("(objectClass=gosaAccount)",array("all"),$dst_dn,
-          array("dn","objectClass"),GL_SUBSEARCH | GL_NO_ACL_CHECK);
-
-
-    /* Updated acls set for this groups */
-    foreach($leaf_groups as $group){
-      $new_dn = $group['dn'];
-      $old_dn = preg_replace("/".normalizePreg($dst_dn)."$/i",$src_dn,$new_dn);
-      $this->update_acls($old_dn,$new_dn); 
-    }
-
-    /* Updated acls set for this users */
-    foreach($leaf_users as $user){
-      $new_dn = $user['dn'];
-      $old_dn = preg_replace("/".normalizePreg($dst_dn)."$/i",$src_dn,$new_dn);
+    foreach($leaf_objs as $obj){
+      $new_dn = $obj['dn'];
+      $old_dn = preg_replace("/".preg_quote(LDAP::convert($dst_dn), '/')."$/i",$src_dn,LDAP::convert($new_dn));
       $this->update_acls($old_dn,$new_dn); 
     }
 
-    /* Get all objectGroups defined in this database. 
-        and check if there is an entry matching the source dn,
-        if this is the case, then update this objectgroup to use the new dn.
-     */
-    $ogroups = get_sub_list("(&(objectClass=gosaGroupOfNames)(member=*))","ogroups",
-        array(get_ou("ogroupou")),$this->config->current['BASE'],array("member"),
-        GL_SUBSEARCH | GL_NO_ACL_CHECK) ;
+    // Migrate objectgroups if needed
+    $ogroups = get_sub_list("(&(objectClass=gosaGroupOfNames)(member=".LDAP::prepare4filter(LDAP::fix($src_dn))."))","ogroups", array(get_ou("ogroupRDN")),$this->config->current['BASE'],array("dn"), GL_SUBSEARCH | GL_NO_ACL_CHECK);
 
-    /* Walk through all objectGroups and check if there are 
-        members matching the source dn 
-     */
+    // Walk through all objectGroups
     foreach($ogroups as $ogroup){
-      if(isset($ogroup['member'])){
+      // Migrate old to new dn
+      $o_ogroup= new ogroup($this->config,$ogroup['dn']);
+      if (isset($o_group->member[$src_dn])) {
+        unset($o_ogroup->member[$src_dn]);
+      }
+      $o_ogroup->member[$dst_dn]= $dst_dn;
+      
+      // Save object group
+      $o_ogroup->save();
+    }
 
-        /* Reset class object, this will be initialized with class_ogroup on demand 
-         */
-        $o_ogroup = NULL; 
-        for($i = 0 ; $i < $ogroup['member']['count'] ; $i ++){
+    // Migrate rfc groups if needed
+    $groups = get_sub_list("(&(objectClass=posixGroup)(member=".LDAP::prepare4filter(LDAP::fix($src_dn))."))","groups", array(get_ou("groupRDN")),$this->config->current['BASE'],array("dn"), GL_SUBSEARCH | GL_NO_ACL_CHECK);
 
-          $c_mem = $ogroup['member'][$i];
-  
-          if(preg_match("/".normalizePreg($src_dn)."$/i",$c_mem)){
-            $d_mem = preg_replace("/".normalizePreg($src_dn)."$/i",$dst_dn,$ogroup['member'][$i]);
+    // Walk through all POSIX groups
+    foreach($groups as $group){
 
-            if($o_ogroup == NULL){
-              $o_ogroup = new ogroup($this->config,$ogroup['dn']);
-            }              
+      // Migrate old to new dn
+      $o_group= new group($this->config,$group['dn']);
+      $o_group->save();
+    }
 
-            unset($o_ogroup->member[$c_mem]);
-            $o_ogroup->member[$d_mem]= $d_mem;
-          }
-        }
-       
-        /* Save object group if there were changes made on the membership */ 
-        if($o_ogroup != NULL){
-          $o_ogroup->save();
-        }
+    /* Update roles to use the new entry dn */
+    $roles = get_sub_list("(&(objectClass=organizationalRole)(roleOccupant=".LDAP::prepare4filter(LDAP::fix($src_dn))."))","roles", array(get_ou("roleRDN")),$this->config->current['BASE'],array("dn"), GL_SUBSEARCH | GL_NO_ACL_CHECK);
+
+    // Walk through all roles
+    foreach($roles as $role){
+      $role = new roleGeneric($this->config,$role['dn']);
+      $key= array_search($src_dn, $role->roleOccupant);      
+      if($key !== FALSE){
+        $role->roleOccupant[$key] = $dst_dn;
+        $role->save();
       }
     }
  
@@ -980,7 +1032,7 @@ class plugin
     if(count($leaf_deps)){
       $this->config->get_departments();
       $this->config->make_idepartments();
-      session::set("config",$this->config);
+      session::global_set("config",$this->config);
       $ui =get_userinfo();
       $ui->reset_acl_cache();
     }
@@ -1100,11 +1152,8 @@ class plugin
       if (isset($source[$var])){
         if(isset($source[$var]['count'])){
           if($source[$var]['count'] > 1){
-            $this->$var = array();
-            $tmp = array();
-            for($i = 0 ; $i < $source[$var]['count']; $i++){
-              $tmp = $source[$var][$i];
-            }
+            $tmp= $source[$var];
+            unset($tmp['count']);
             $this->$var = $tmp;
           }else{
             $this->$var = $source[$var][0];
@@ -1144,7 +1193,7 @@ class plugin
           }
 
           /* This one matches with the latter part. Break and don't fix this entry */
-          if (preg_match('/(^|,)'.normalizePreg($key).'$/', $dn)){
+          if (preg_match('/(^|,)'.preg_quote($key, '/').'$/', $dn)){
             @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__, "DEBUG: Possibly relevant: $key", "Tagging");
             $relevant[strlen($key)]= $ntag;
             continue;
@@ -1204,24 +1253,24 @@ class plugin
     }
 
     /* Get configuration from gosa.conf */
-    $tmp = $this->config->current;
+    $config = $this->config;
 
     /* Create lokal ldap connection */
     $ldap= $this->config->get_ldap_link();
     $ldap->cd($this->config->current['BASE']);
 
     /* check if there are special server configurations for snapshots */
-    if(!isset($tmp['SNAPSHOT_SERVER'])){
+    if($config->get_cfg_value("snapshotURI") == ""){
 
       /* Source and destination server are both the same, just copy source to dest obj */
       $ldap_to      = $ldap;
       $snapldapbase = $this->config->current['BASE'];
 
     }else{
-      $server         = $tmp['SNAPSHOT_SERVER'];
-      $user           = $tmp['SNAPSHOT_USER'];
-      $password       = $tmp['SNAPSHOT_PASSWORD'];
-      $snapldapbase   = $tmp['SNAPSHOT_BASE'];
+      $server         = $config->get_cfg_value("snapshotURI");
+      $user           = $config->get_cfg_value("snapshotAdminDn");
+      $password       = $this->config->get_credentials($config->get_cfg_value("snapshotAdminPassword"));
+      $snapldapbase   = $config->get_cfg_value("snapshotBase");
 
       $ldap_to        = new ldapMultiplexer(new LDAP($user,$password, $server));
       $ldap_to -> cd($snapldapbase);
@@ -1240,14 +1289,14 @@ class plugin
 
       /* Collect some infos */
       $base           = $this->config->current['BASE'];
-      $snap_base      = $tmp['SNAPSHOT_BASE'];
+      $snap_base      = $config->get_cfg_value("snapshotBase");
       $base_of_object = preg_replace ('/^[^,]+,/i', '', $this->dn);
-      $new_base       = preg_replace("/".normalizePreg($base)."$/","",$base_of_object).$snap_base;
+      $new_base       = preg_replace("/".preg_quote($base, '/')."$/","",$base_of_object).$snap_base;
 
       /* Create object */
 #$data             = preg_replace('/^dn:.*\n/', '', $ldap->gen_ldif($this->dn,"(!(objectClass=gosaDepartment))"));
       $data             = $ldap->gen_ldif($this->dn,"(&(!(objectClass=gosaDepartment))(!(objectClass=FAIclass)))");
-      $newName          = preg_replace("/\./", "", $sec."-".$usec);
+      $newName          = str_replace(".", "", $sec."-".$usec);
       $target= array();
       $target['objectClass']            = array("top", "gosaSnapshotObject");
       $target['gosaSnapshotData']       = gzcompress($data, 6);
@@ -1264,7 +1313,7 @@ class plugin
       $ldap_to->cat($new_dn);
       while($ldap_to->count()){
         $ldap_to->cat($new_dn);
-        $newName = preg_replace("/\./", "", $sec."-".($usec++));
+        $newName = str_replace(".", "", $sec."-".($usec++));
         $new_dn                           = "gosaSnapshotTimestamp=".$newName.",".$new_base;
         $target['gosaSnapshotTimestamp']  = $newName;
       } 
@@ -1293,7 +1342,10 @@ class plugin
     $this->dn = $dn;
     $ldap = $this->config->get_ldap_link();
     $ldap->cd($this->config->current['BASE']);
-    $ldap->rmdir_recursive($dn);
+    $ldap->rmdir_recursive($this->dn);
+    if(!$ldap->success()){
+      msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn));
+    }
     $this->dn = $old_dn;
   }
 
@@ -1302,33 +1354,7 @@ class plugin
      There will also be some errors psoted, if the configuration failed */
   function snapshotEnabled()
   {
-    $tmp = $this->config->current;
-    if(isset($tmp['ENABLE_SNAPSHOT'])){
-      if (preg_match("/^true$/i", $tmp['ENABLE_SNAPSHOT']) || preg_match("/yes/i", $tmp['ENABLE_SNAPSHOT'])){
-
-        /* Check if the snapshot_base is defined */
-        if(!isset($tmp['SNAPSHOT_BASE'])){
-          msg_dialog::display(_("Configuration error"), sprintf(_("The snapshot functionality is enabled, but the required variable '%s' is not set."),"SNAPSHOT_BASE"), ERROR_DIALOG);
-          return(FALSE);
-        }
-
-        /* check if there are special server configurations for snapshots */
-        if(isset($tmp['SNAPSHOT_SERVER'])){
-
-          /* check if all required vars are available to create a new ldap connection */
-          $missing = "";
-          foreach(array("SNAPSHOT_SERVER","SNAPSHOT_USER","SNAPSHOT_PASSWORD","SNAPSHOT_BASE") as $var){
-            if(!isset($tmp[$var])){
-              $missing .= $var." ";
-              msg_dialog::display(_("Configuration error"), sprintf(_("The snapshot functionality is enabled, but the required variable '%s' is not set."), $missing), ERROR_DIALOG);
-              return(FALSE);
-            }
-          }
-        }
-        return(TRUE);
-      }
-    }
-    return(FALSE);
+    return $this->config->snapshotEnabled();
   }
 
 
@@ -1345,29 +1371,25 @@ class plugin
     $cfg= &$this->config->current;
 
     /* check if there are special server configurations for snapshots */
-
-    if(isset($cfg['SERVER']) && isset($cfg['SNAPSHOT_SERVER']) && $cfg['SERVER'] == $cfg['SNAPSHOT_SERVER']){
-      $ldap_to    = $ldap;
-    }elseif(isset($cfg['SNAPSHOT_SERVER'])){
-      $server       = $cfg['SNAPSHOT_SERVER'];
-      $user         = $cfg['SNAPSHOT_USER'];
-      $password     = $cfg['SNAPSHOT_PASSWORD'];
-      $snapldapbase = $cfg['SNAPSHOT_BASE'];
-
-      $ldap_to      = new ldapMultiplexer(new LDAP($user,$password, $server));
-      $ldap_to -> cd ($snapldapbase);
+    if($this->config->get_cfg_value("snapshotURI") == ""){
+      $ldap_to      = $ldap;
+    }else{
+      $server         = $this->config->get_cfg_value("snapshotURI");
+      $user           = $this->config->get_cfg_value("snapshotAdminDn");
+      $password       = $this->config->get_credentials($this->config->get_cfg_value("snapshotAdminPassword"));
+      $snapldapbase   = $this->config->get_cfg_value("snapshotBase");
+      $ldap_to        = new ldapMultiplexer(new LDAP($user,$password, $server));
+      $ldap_to -> cd($snapldapbase);
       if (!$ldap_to->success()){
         msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap_to->get_error(), $snapldapbase, "", get_class()));
       }
-    }else{
-      $ldap_to    = $ldap;
     }
 
     /* Prepare bases and some other infos */
     $base           = $this->config->current['BASE'];
-    $snap_base      = $cfg['SNAPSHOT_BASE'];
+    $snap_base      = $this->config->get_cfg_value("snapshotBase");
     $base_of_object = preg_replace ('/^[^,]+,/i', '', $dn);
-    $new_base       = preg_replace("/".normalizePreg($base)."$/","",$base_of_object).$snap_base;
+    $new_base       = preg_replace("/".preg_quote($base, '/')."$/","",$base_of_object).$snap_base;
     $tmp            = array(); 
 
     /* Fetch all objects with  gosaSnapshotDN=$dn */
@@ -1407,24 +1429,24 @@ class plugin
     $cfg= &$this->config->current;
 
     /* check if there are special server configurations for snapshots */
-    if(isset($cfg['SNAPSHOT_SERVER'])){
-      $server       = $cfg['SNAPSHOT_SERVER'];
-      $user         = $cfg['SNAPSHOT_USER'];
-      $password     = $cfg['SNAPSHOT_PASSWORD'];
-      $snapldapbase = $cfg['SNAPSHOT_BASE'];
-      $ldap_to      = new ldapMultiplexer(new LDAP($user,$password, $server));
-      $ldap_to->cd ($snapldapbase);
+    if($this->config->get_cfg_value("snapshotURI") == ""){
+      $ldap_to      = $ldap;
+    }else{
+      $server         = $this->config->get_cfg_value("snapshotURI");
+      $user           = $this->config->get_cfg_value("snapshotAdminDn");
+      $password       = $this->config->get_credentials($this->config->get_cfg_value("snapshotAdminPassword"));
+      $snapldapbase   = $this->config->get_cfg_value("snapshotBase");
+      $ldap_to        = new ldapMultiplexer(new LDAP($user,$password, $server));
+      $ldap_to -> cd($snapldapbase);
       if (!$ldap_to->success()){
         msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap_to->get_error(), $snapldapbase, "", get_class()));
       }
-    }else{
-      $ldap_to    = $ldap;
     }
 
     /* Prepare bases */ 
     $base           = $this->config->current['BASE'];
-    $snap_base      = $cfg['SNAPSHOT_BASE'];
-    $new_base       = preg_replace("/".normalizePreg($base)."$/","",$base_of_object).$snap_base;
+    $snap_base      = $this->config->get_cfg_value("snapshotBase");
+    $new_base       = preg_replace("/".preg_quote($base, '/')."$/","",$base_of_object).$snap_base;
 
     /* Fetch all objects and check if they do not exist anymore */
     $ui = get_userinfo();
@@ -1473,18 +1495,18 @@ class plugin
     $cfg= &$this->config->current;
 
     /* check if there are special server configurations for snapshots */
-    if(isset($cfg['SNAPSHOT_SERVER'])){
-      $server       = $cfg['SNAPSHOT_SERVER'];
-      $user         = $cfg['SNAPSHOT_USER'];
-      $password     = $cfg['SNAPSHOT_PASSWORD'];
-      $snapldapbase = $cfg['SNAPSHOT_BASE'];
-      $ldap_to      = new ldapMultiplexer(new LDAP($user,$password, $server));
-      $ldap_to->cd ($snapldapbase);
+    if($this->config->get_cfg_value("snapshotURI") == ""){
+      $ldap_to      = $ldap;
+    }else{
+      $server         = $this->config->get_cfg_value("snapshotURI");
+      $user           = $this->config->get_cfg_value("snapshotAdminDn");
+      $password       = $this->config->get_credentials($this->config->get_cfg_value("snapshotAdminPassword"));
+      $snapldapbase   = $this->config->get_cfg_value("snapshotBase");
+      $ldap_to        = new ldapMultiplexer(new LDAP($user,$password, $server));
+      $ldap_to -> cd($snapldapbase);
       if (!$ldap_to->success()){
         msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap_to->get_error(), $snapldapbase, "", get_class()));
       }
-    }else{
-      $ldap_to    = $ldap;
     }
 
     /* Get the snapshot */ 
@@ -1512,10 +1534,11 @@ class plugin
     foreach($_POST as $name => $value){
 
       /* Create a new snapshot, display a dialog */
-      if(preg_match("/^CreateSnapShotDialog_/",$name) && $once){
+      if(preg_match("/^CreateSnapShotDialog_[^_]*_[xy]$/",$name) && $once){
+
+                         $entry = base64_decode(preg_replace("/^CreateSnapShotDialog_([^_]*)_[xy]$/","\\1",$name));
         $once = false;
-        $entry = preg_replace("/^CreateSnapShotDialog_/","",$name);
-        $entry = base64_decode(preg_replace("/_[xy]$/","",$entry));
+        $entry = preg_replace("/^CreateSnapShotDialog_/","",$entry);
 
         if(!empty($entry) && $ui->allow_snapshot_create($entry,$this->parent->acl_module)){
           $this->snapDialog = new SnapShotDialog($this->config,$entry,$this);
@@ -1527,9 +1550,8 @@ class plugin
       /* Restore a snapshot, display a dialog with all snapshots of the current object */
       if(preg_match("/^RestoreSnapShotDialog_/",$name) && $once){
         $once = false;
-        $entry = preg_replace("/^RestoreSnapShotDialog_/","",$name);
-        $entry = base64_decode(preg_replace("/_[xy]$/","",$entry));
-        if(!empty($entry) && $ui->allow_snapshot_restore($entry,$this->parent->acl_module)){
+        $entry = base64_decode(preg_replace("/^RestoreSnapShotDialog_([^_]*)_[xy]$/i","\\1",$name));
+        if(!empty($entry) && $ui->allow_snapshot_restore($this->dn,$this->parent->acl_module)){
           $this->snapDialog = new SnapShotDialog($this->config,$entry,$this);
           $this->snapDialog->display_restore_dialog = true;
         }else{
@@ -1542,7 +1564,7 @@ class plugin
           || preg_match("/^RestoreDeletedSnapShot_/",$name)) && $once){
         $once = false;
 
-        if($ui->allow_snapshot_restore($base,$this->parent->acl_module)){
+        if($ui->allow_snapshot_restore($this->dn,$this->parent->acl_module)){
           $this->snapDialog = new SnapShotDialog($this->config,"",$this);
           $this->snapDialog->set_snapshot_bases($baseSuffixe);
           $this->snapDialog->display_restore_dialog      = true;
@@ -1555,9 +1577,9 @@ class plugin
       /* Restore selected snapshot */
       if(preg_match("/^RestoreSnapShot_/",$name) && $once){
         $once = false;
-        $entry = preg_replace("/^RestoreSnapShot_/","",$name);
-        $entry = base64_decode(trim(preg_replace("/_[xy]$/","",$entry)));
-        if(!empty($entry) && $ui->allow_snapshot_restore($entry,$this->parent->acl_module)){
+        $entry = base64_decode(preg_replace("/^RestoreSnapShot_([^_]*)_[xy]$/i","\\1",$name));
+
+        if(!empty($entry) && $ui->allow_snapshot_restore($this->dn,$this->parent->acl_module)){
           $this->restore_snapshot($entry);
           $this->snapDialog = NULL;
         }else{
@@ -1617,6 +1639,7 @@ class plugin
 
   function acl_is_writeable($attribute,$skip_write = FALSE)
   {
+    if($this->read_only) return(FALSE);
     $ui= get_userinfo();
     return preg_match('/w/', $ui->get_permissions($this->acl_base, $this->acl_category.get_class($this), $attribute, $skip_write));
   }
@@ -1631,6 +1654,7 @@ class plugin
 
   function acl_is_createable($base ="")
   {
+    if($this->read_only) return(FALSE);
     $ui= get_userinfo();
     if($base == "") $base = $this->acl_base;
     return preg_match('/c/', $ui->get_permissions($base, $this->acl_category.get_class($this), '0'));
@@ -1639,6 +1663,7 @@ class plugin
 
   function acl_is_removeable($base ="")
   {
+    if($this->read_only) return(FALSE);
     $ui= get_userinfo();
     if($base == "") $base = $this->acl_base;
     return preg_match('/d/', $ui->get_permissions($base, $this->acl_category.get_class($this), '0'));
@@ -1647,6 +1672,7 @@ class plugin
 
   function acl_is_moveable($base = "")
   {
+    if($this->read_only) return(FALSE);
     $ui= get_userinfo();
     if($base == "") $base = $this->acl_base;
     return preg_match('/m/', $ui->get_permissions($base, $this->acl_category.get_class($this), '0'));
@@ -1661,6 +1687,7 @@ class plugin
   function getacl($attribute,$skip_write= FALSE)
   {
     $ui= get_userinfo();
+    $skip_write |= $this->read_only;
     return  $ui->get_permissions($this->acl_base, $this->acl_category.get_class($this), $attribute,$skip_write);
   }
 
@@ -1694,6 +1721,8 @@ class plugin
     /* Add current base */      
     if(isset($this->base) && isset($this->config->idepartments[$this->base])){
       $deps[$this->base] = $this->config->idepartments[$this->base];
+    }elseif(strtolower($this->dn) == strtolower($this->config->current['BASE'])){
+
     }else{
       trigger_error("Cannot return list of departments, no default base found in class ".get_class($this).". ".$this->base);
     }
@@ -1701,7 +1730,7 @@ class plugin
   }
 
 
-  /* This function modifies object acls too, if an object is moved.
+  /* This function updates ACL settings if $old_dn was used.
    *  $old_dn   specifies the actually used dn
    *  $new_dn   specifies the destiantion dn
    */
@@ -1714,11 +1743,11 @@ class plugin
     }
 
     /* Update userinfo if necessary */
-    $ui = session::get('ui');
+    $ui = session::global_get('ui');
     if($ui->dn == $old_dn){
       $ui->dn = $new_dn;
-      session::set('ui',$ui);
-      new log("view","acl/".get_class($this),$this->dn,array(),"Updated current user dn from '".$old_dn."' to '".$new_dn."'");
+      session::global_set('ui',$ui);
+      new log("view","acl/".get_class($this),$this->dn,array(),"Updated current object dn from '".$old_dn."' to '".$new_dn."'");
     }
 
     /* Object was moved, ensure that all acls will be moved too */
@@ -1728,59 +1757,46 @@ class plugin
       $update = array();
       $ldap = $this->config->get_ldap_link();
       $ldap->cd ($this->config->current['BASE']);
-      $ldap->search("(&(objectClass=gosaAcl)(gosaAclEntry=*))",array("cn","gosaAclEntry"));
+      $ldap->search("(&(objectClass=gosaAcl)(gosaAclEntry=*".base64_encode($old_dn)."*))",array("cn","gosaAclEntry"));
       while($attrs = $ldap->fetch()){
-
         $acls = array();
-
-        /* Reset vars */
         $found = false;
-
-        /* Walk through acls */
         for($i = 0 ; $i <  $attrs['gosaAclEntry']['count'] ; $i ++ ){
-
-          /* Get Acl parts */
           $acl_parts = split(":",$attrs['gosaAclEntry'][$i]);
 
-          /* Get every single member for this acl */  
-          $members = array();  
-          if(preg_match("/,/",$acl_parts[2])){
-            $members = split(",",$acl_parts[2]);
-          }else{
-            $members = array($acl_parts[2]);
-          } 
-      
-          /* Check if member match current dn */
+          /* Roles uses antoher data storage order, members are stored int the third part, 
+             while the members in direct ACL assignments are stored in the second part.
+           */
+          $id = ($acl_parts[1] == "role") ? 3 : 2;
+
+          /* Update member entries to use $new_dn instead of old_dn
+           */
+          $members = explode(",",$acl_parts[$id]);
           foreach($members as $key => $member){
             $member = base64_decode($member);
             if($member == $old_dn){
-              $found = true;
               $members[$key] = base64_encode($new_dn);
+              $found = TRUE;
             }
           } 
-       
-          /* Create new member string */ 
-          $new_members = "";
-          foreach($members as $member){
-            $new_members .= $member.",";
-          }
-          $new_members = preg_replace("/,$/","",$new_members);
-          $acl_parts[2] = $new_members;
-        
-          /* Reconstruckt acl entry */
-          $acl_str  ="";
-          foreach($acl_parts as $t){
-           $acl_str .= $t.":";
+
+          /* Check if the selected role has to updated
+           */
+          if($acl_parts[1] == "role" && $acl_parts[2] == base64_encode($old_dn)){
+            $acl_parts[2] = base64_encode($new_dn);
+            $found = TRUE;
           }
-          $acl_str = preg_replace("/:$/","",$acl_str);
-          $acls[] = $acl_str;
-       }
 
-       /* Acls for this object must be adjusted */
-       if($found){
+          /* Build new acl string */ 
+          $acl_parts[$id] = implode($members,",");
+          $acls[] = implode($acl_parts,":");
+        }
+
+        /* Acls for this object must be adjusted */
+        if($found){
 
           $debug_info=  _("Changing ACL dn")."&nbsp;:&nbsp;<br>&nbsp;-"._("from")."&nbsp;<b>&nbsp;".
-                  $old_dn."</b><br>&nbsp;-"._("to")."&nbsp;<b>".$new_dn."</b><br>";
+            $old_dn."</b><br>&nbsp;-"._("to")."&nbsp;<b>".$new_dn."</b><br>";
           @DEBUG (DEBUG_ACL, __LINE__, __FUNCTION__, __FILE__,$debug_info,"ACL");
 
           $update[$attrs['dn']] =array();
@@ -1825,9 +1841,10 @@ class plugin
     /* Copy needed attributes */
     foreach ($this->attributes as $val){
       $found= array_key_ics($val, $this->multi_attrs);
       if ($found != ""){
-        if(isset($this->multi_attrs["$found"][0])){
-          $this->$val= $this->multi_attrs["$found"][0];
+        if(isset($this->multi_attrs["$val"][0])){
+          $this->$val= $this->multi_attrs["$val"][0];
         }
       }
     }
@@ -1875,11 +1892,13 @@ class plugin
   function multiple_execute()
   {
     /* This one is empty currently. Fabian - please fill in the docu code */
-    session::set('current_class_for_help',get_class($this));
+    session::global_set('current_class_for_help',get_class($this));
 
     /* Reset Lock message POST/GET check array, to prevent perg_match errors*/
     session::set('LOCK_VARS_TO_USE',array());
-    session::set('LOCK_VARS_USED',array());
+    session::set('LOCK_VARS_USED_GET',array());
+    session::set('LOCK_VARS_USED_POST',array());
+    session::set('LOCK_VARS_USED_REQUEST',array());
     
     return("Multiple edit is currently not implemented for this plugin.");
   }
@@ -2037,10 +2056,10 @@ class plugin
     /* Check permissions for each category, if there is at least one category which 
         support read or paste permissions for the given base, then display the specific actions.
      */
-    $readable = $pasteable = TRUE;
+    $readable = $pasteable = false;
     foreach($category as $cat){
-      $readable |= $ui->get_category_permissions($base,$cat);
-      $pasteable|= $ui->is_pasteable($base,$cat);
+      $readable= $readable || preg_match('/r/', $ui->get_category_permissions($base, $cat));
+      $pasteable= $pasteable || $ui->is_pasteable($base, $cat) == 1;
     }
   
     if(($cut || $copy) && isset($this->CopyPasteHandler) && is_object($this->CopyPasteHandler)){
@@ -2074,6 +2093,11 @@ class plugin
   {
      return(array());
   }
+
+  function is_modal_dialog()
+  {
+    return(isset($this->dialog) && $this->dialog);
+  }
 }
 
 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler: