X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=gosa-core%2Finclude%2Fclass_plugin.inc;h=75da65582e81a825d6c7f025f1a6907be8d07a3e;hb=3057b7c840af1c07d2e13762212acdfa5012a813;hp=5fcbf559736d555af0b2e5700337b6296c33af80;hpb=9826f4058a2e61a03a86815c2feffaf9ccb33cbb;p=gosa.git

diff --git a/gosa-core/include/class_plugin.inc b/gosa-core/include/class_plugin.inc
index 5fcbf5597..75da65582 100644
--- a/gosa-core/include/class_plugin.inc
+++ b/gosa-core/include/class_plugin.inc
@@ -139,12 +139,24 @@ 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;	
     $this->dn= $dn;
 
+    // Ensure that we've a valid acl_category set.
+    if(empty($this->acl_category)){
+      $tmp = $this->plInfo();
+      if (isset($tmp['plCategory'])) {
+        $c = key($tmp['plCategory']);
+        if(is_numeric($c)){
+          $c = $tmp['plCategory'][0];
+        }
+        $this->acl_category = $c."/";
+      }
+    }
+
     /* Handle new accounts, don't read information from LDAP */
     if ($dn == "new"){
       return;
@@ -152,7 +164,7 @@ class plugin
 
     /* Check if this entry was opened in read only mode */
     if(isset($_POST['open_readonly'])){
-      if(session::is_set("LOCK_CACHE")){
+      if(session::global_is_set("LOCK_CACHE")){
         $cache = &session::get("LOCK_CACHE");
         if(isset($cache['READ_ONLY'][$this->dn])){
           $this->read_only = TRUE;
@@ -167,8 +179,8 @@ class plugin
     if ($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);
@@ -252,22 +264,23 @@ class plugin
   }
 
 
-  /*! \brief execute plugin
-
-    Generates the html output for this node
+  /*! \brief Generates the html output for this node
    */
   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());
+
+    pathNavigator::registerPlugin($this);
   }
 
-  /*! \brief execute plugin
-     Removes object from parent
+  /*! \brief Removes object from parent
    */
   function remove_from_parent()
   {
@@ -305,7 +318,7 @@ class plugin
   }
 
 
-  /*! \brief   Save HTML posted data to object 
+  /*! \brief Save HTML posted data to object 
    */
   function save_object()
   {
@@ -343,7 +356,7 @@ class plugin
   }
 
 
-  /* Save data to LDAP, depending on is_account we save or delete */
+  /*! \brief Save data to LDAP, depending on is_account we save or delete */
   function save()
   {
     /* include global link_info */
@@ -438,7 +451,7 @@ class plugin
     }
   }
 
-  /* Check formular input */
+  /*! \brief Check formular input */
   function check()
   {
     $message= array();
@@ -562,14 +575,14 @@ class plugin
     }
   }
 
-  /* Indicate whether a password change is needed or not */
+  /* \brief Indicate whether a password change is needed or not */
   function password_change_needed()
   {
     return FALSE;
   }
 
 
-  /* Show header message for tab dialogs */
+  /*! \brief Show header message for tab dialogs */
   function show_enable_header($button_text, $text, $disabled= FALSE)
   {
     if (($disabled == TRUE) || (!$this->acl_is_createable())){
@@ -577,15 +590,16 @@ class plugin
     } else {
       $state= "";
     }
-    $display= "<table summary=\"\" width=\"100%\"><tr>\n<td colspan=2><p><b>$text</b></p>\n";
-    $display.= "<input type=submit value=\"$button_text\" name=\"modify_state\" ".$state.
-      "><p class=\"seperator\">&nbsp;</p></td></tr></table>";
+    $display = "<div class='plugin-enable-header'>\n";
+    $display.= "<p>$text</p>\n";
+    $display.= "<button type='submit' name=\"modify_state\" ".$state.">$button_text</button>\n";
+    $display.= "</div>\n";
 
     return($display);
   }
 
 
-  /* Show header message for tab dialogs */
+  /*! \brief Show header message for tab dialogs */
   function show_disable_header($button_text, $text, $disabled= FALSE)
   {
     if (($disabled == TRUE) || !$this->acl_is_removeable()){
@@ -593,158 +607,48 @@ class plugin
     } else {
       $state= "";
     }
-    $display= "<table summary=\"\" width=\"100%\"><tr>\n<td colspan=2><p><b>$text</b></p>\n";
-    $display.= "<input type=submit value=\"$button_text\" name=\"modify_state\" ".$state.
-      "><p class=\"seperator\">&nbsp;</p></td></tr></table>";
-
+    $display = "<div class='plugin-disable-header'>\n";
+    $display.= "<p>$text</p>\n";
+    $display.= "<button type='submit' name=\"modify_state\" ".$state.">$button_text</button>\n";
+    $display.= "</div>\n";
     return($display);
   }
 
 
-  /* Show header message for tab dialogs */
-  function show_header($button_text, $text, $disabled= FALSE)
-  {
-    echo "FIXME: show_header should be replaced by show_disable_header and show_enable_header<br>";
-    if ($disabled == TRUE){
-      $state= "disabled";
-    } else {
-      $state= "";
-    }
-    $display= "<table summary=\"\" width=\"100%\"><tr>\n<td colspan=2><p><b>$text</b></p>\n";
-    $display.= "<input type=submit value=\"$button_text\" name=\"modify_state\" ".
-      ($this->acl_is_createable()?'':'disabled')." ".$state.
-      "><p class=\"seperator\">&nbsp;</p></td></tr></table>";
-
-    return($display);
-  }
-
 
-  function postcreate($add_attrs= array())
+  /* Create unique DN */
+  function create_unique_dn2($data, $base)
   {
-    /* Find postcreate entries for this class */
-    $command= $this->config->search(get_class($this), "POSTCREATE",array('menu', 'tabs'));
-
-    if ($command != ""){
-
-      /* Walk through attribute list */
-      foreach ($this->attributes as $attr){
-        if (!is_array($this->$attr)){
-          $add_attrs[$attr] = $this->$attr;
-        }
-      }
-      $add_attrs['dn']=$this->dn;
-
-      $tmp = array();
-      foreach($add_attrs as $name => $value){
-        $tmp[$name] =  strlen($name);
-      }
-      arsort($tmp);
-      
-      /* Additional attributes */
-      foreach ($tmp as $name => $len){
-        $value = $add_attrs[$name];
-        $command= str_replace("%$name", "$value", $command);
-      }
+    $ldap= $this->config->get_ldap_link();
+    $base= preg_replace("/^,*/", "", $base);
 
-      if (check_command($command)){
-        @DEBUG (DEBUG_SHELL, __LINE__, __FUNCTION__, __FILE__,
-            $command, "Execute");
-        exec($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);
-      }
+    /* Try to use plain entry first */
+    $dn= "$data,$base";
+    $attribute= preg_replace('/=.*$/', '', $data);
+    $ldap->cat ($dn, array('dn'));
+    if (!$ldap->fetch()){
+      return ($dn);
     }
-  }
-
-  function postmodify($add_attrs= array())
-  {
-    /* Find postcreate entries for this class */
-    $command= $this->config->search(get_class($this), "POSTMODIFY",array('menu','tabs'));
-
-    if ($command != ""){
-
-      /* Walk through attribute list */
-      foreach ($this->attributes as $attr){
-        if (!is_array($this->$attr)){
-          $add_attrs[$attr] = $this->$attr;
-        }
-      }
-      $add_attrs['dn']=$this->dn;
 
-      $tmp = array();
-      foreach($add_attrs as $name => $value){
-        $tmp[$name] =  strlen($name);
-      }
-      arsort($tmp);
-      
-      /* Additional attributes */
-      foreach ($tmp as $name => $len){
-        $value = $add_attrs[$name];
-        $command= str_replace("%$name", "$value", $command);
+    /* Look for additional attributes */
+    foreach ($this->attributes as $attr){
+      if ($attr == $attribute || $this->$attr == ""){
+        continue;
       }
 
-      if (check_command($command)){
-        @DEBUG (DEBUG_SHELL, __LINE__, __FUNCTION__, __FILE__,$command, "Execute");
-        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);
+      $dn= "$data+$attr=".$this->$attr.",$base";
+      $ldap->cat ($dn, array('dn'));
+      if (!$ldap->fetch()){
+        return ($dn);
       }
     }
-  }
-
-  function postremove($add_attrs= array())
-  {
-    /* Find postremove entries for this class */
-    $command= $this->config->search(get_class($this), "POSTREMOVE",array('menu','tabs'));
-    if ($command != ""){
-
-      /* Walk through attribute list */
-      foreach ($this->attributes as $attr){
-        if (!is_array($this->$attr)){
-          $add_attrs[$attr] = $this->$attr;
-        }
-      }
-      $add_attrs['dn']=$this->dn;
 
-      $tmp = array();
-      foreach($add_attrs as $name => $value){
-        $tmp[$name] =  strlen($name);
-      }
-      arsort($tmp);
-      
-      /* Additional attributes */
-      foreach ($tmp as $name => $len){
-        $value = $add_attrs[$name];
-        $command= str_replace("%$name", "$value", $command);
-      }
-
-      if (check_command($command)){
-        @DEBUG (DEBUG_SHELL, __LINE__, __FUNCTION__, __FILE__,
-            $command, "Execute");
-
-        exec($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);
-      }
-    }
+    /* None found */
+    return ("none");
   }
 
-  /* Create unique DN */
+
+  /*! \brief Create unique DN */
   function create_unique_dn($attribute, $base)
   {
     $ldap= $this->config->get_ldap_link();
@@ -774,6 +678,7 @@ class plugin
     return ("none");
   }
 
+
   function rebind($ldap, $referral)
   {
     $credentials= LDAP::get_credentials($referral, $this->config->current['REFERRAL']);
@@ -803,7 +708,8 @@ class plugin
       ldap_set_rebind_proc($ds, array(&$this, "rebind"));
     }
 
-    $r=ldap_bind($ds,$this->config->current['ADMINDN'], $this->config->current['ADMINPASSWORD']);
+    $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 */
@@ -850,6 +756,9 @@ 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']);
     }
@@ -907,14 +816,18 @@ class plugin
 
 
 
-  /*! \brief  Move a given ldap object indentified by $src_dn   \
-               to the given destination $dst_dn   \
-              * Ensure that all references are updated (ogroups) \
-              * Update ACLs   \
-              * Update accessTo   \
-      @param  String  The source dn.
-      @param  String  The destination dn.
-      @return Boolean TRUE on success else FALSE.
+  /*! \brief  Rename/Move a given src_dn to the given dest_dn
+   *
+   * Move a given ldap object indentified by $src_dn to the
+   * given destination $dst_dn
+   *
+   * - Ensure that all references are updated (ogroups)
+   * - Update ACLs   
+   * - Update accessTo
+   *
+   * \param  string  'src_dn' the source DN.
+   * \param  string  'dst_dn' the destination DN.
+   * \return boolean TRUE on success else FALSE.
    */
   function rename($src_dn, $dst_dn)
   {
@@ -925,7 +838,10 @@ class plugin
     $ldap->cd($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);
     }
 
@@ -936,48 +852,65 @@ class plugin
           array("dn","objectClass"),GL_SUBSEARCH | GL_NO_ACL_CHECK);
     foreach($leaf_objs as $obj){
       $new_dn = $obj['dn'];
-      $old_dn = preg_replace("/".preg_quote($dst_dn, '/')."$/i",$src_dn,$new_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.
-     */
-    $ogroups = get_sub_list("(&(objectClass=gosaGroupOfNames)(member=*))","ogroups",
-        array(get_ou("ogroupRDN")),$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_ogroup->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("/".preg_quote($src_dn, '/')."$/i",$c_mem)){
- 
-            $d_mem = preg_replace("/".preg_quote($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();
+      }
+    }
+
+    // Update 'manager' attributes from gosaDepartment and inetOrgPerson 
+    $filter = "(&(objectClass=inetOrgPerson)(manager=".LDAP::prepare4filter(LDAP::fix($src_dn))."))";
+    $ocs = $ldap->get_objectclasses();
+    if(isset($ocs['gosaDepartment']['MAY']) && in_array('manager', $ocs['gosaDepartment']['MAY'])){
+      $filter = "(|".$filter."(&(objectClass=gosaDepartment)(manager=".LDAP::prepare4filter(LDAP::fix($src_dn)).")))";
+    }
+    $leaf_deps=  get_list($filter,array("all"),$this->config->current['BASE'], 
+        array("manager","dn","objectClass"),GL_SUBSEARCH | GL_NO_ACL_CHECK);
+    foreach($leaf_deps as $entry){
+      $update = array('manager' => $dst_dn);
+      $ldap->cd($entry['dn']);
+      $ldap->modify($update);
+      if(!$ldap->success()){
+        trigger_error(sprintf("Failed to update manager for '%s', error was '%s'", $entry['dn'], $ldap->get_error()));
       }
     }
  
@@ -990,7 +923,7 @@ 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();
     }
@@ -999,7 +932,7 @@ class plugin
   }
 
 
-
+ 
   function move($src_dn, $dst_dn)
   {
     /* Do not copy if only upper- lowercase has changed */
@@ -1040,7 +973,7 @@ class plugin
   }
 
 
-  /* Move/Rename complete trees */
+  /* \brief Move/Rename complete trees */
   function recursive_move($src_dn, $dst_dn)
   {
     /* Check if the destination entry exists */
@@ -1063,24 +996,6 @@ class plugin
   }
 
 
-  function handle_post_events($mode, $add_attrs= array())
-  {
-    switch ($mode){
-      case "add":
-        $this->postcreate($add_attrs);
-      break;
-
-      case "modify":
-        $this->postmodify($add_attrs);
-      break;
-
-      case "remove":
-        $this->postremove($add_attrs);
-      break;
-    }
-  }
-
-
   function saveCopyDialog(){
   }
 
@@ -1090,6 +1005,7 @@ class plugin
   }
 
 
+  /*! \brief Prepare for Copy & Paste */
   function PrepareForCopyPaste($source)
   {
     $todo = $this->attributes;
@@ -1110,11 +1026,8 @@ class plugin
       if (isset($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];
@@ -1126,12 +1039,13 @@ class plugin
     }
   }
 
-  function tag_attrs(&$at, $dn= "", $tag= "", $show= false)
-  {
-    /* Skip tagging? 
+  /*! \brief Get gosaUnitTag for the given DN
        If this is called from departmentGeneric, we have to skip this
         tagging procedure. 
-     */
+    */
+  function tag_attrs(&$at, $dn= "", $tag= "", $show= false)
+  {
+    /* Skip tagging? */
     if($this->skipTagging){
       return;
     }
@@ -1172,7 +1086,8 @@ class plugin
         }
       }
     }
-  
+
+  /*! \brief Add unit tag */ 
     /* Remove tags that may already be here... */
     remove_objectClass("gosaAdministrativeUnitTag", $at);
     if (isset($at['gosaUnitTag'])){
@@ -1196,7 +1111,11 @@ class plugin
   }
 
 
-  /* Add possibility to stop remove process */
+  /*! \brief Test for removability of the object
+   *
+   * Allows testing of conditions for removal of object. If removal should be aborted
+   * the function needs to remove an error message.
+   * */
   function allow_remove()
   {
     $reason= "";
@@ -1204,7 +1123,7 @@ class plugin
   }
 
 
-  /* Create a snapshot of the current object */
+  /*! \brief Create a snapshot of the current object */
   function create_snapshot($type= "snapshot", $description= array())
   {
 
@@ -1230,7 +1149,7 @@ class plugin
     }else{
       $server         = $config->get_cfg_value("snapshotURI");
       $user           = $config->get_cfg_value("snapshotAdminDn");
-      $password       = $config->get_cfg_value("snapshotAdminPassword");
+      $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));
@@ -1296,6 +1215,7 @@ class plugin
     }
   }
 
+  /*! \brief Remove a snapshot */
   function remove_snapshot($dn)
   {
     $ui       = get_userinfo();
@@ -1304,44 +1224,26 @@ class plugin
     $ldap = $this->config->get_ldap_link();
     $ldap->cd($this->config->current['BASE']);
     $ldap->rmdir_recursive($this->dn);
-    msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn));
+    if(!$ldap->success()){
+      msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn));
+    }
     $this->dn = $old_dn;
   }
 
 
-  /* returns true if snapshots are enabled, and false if it is disalbed
-     There will also be some errors psoted, if the configuration failed */
+  /*! \brief Test if snapshotting is enabled
+   *
+   * Test weither snapshotting is enabled or not. There will also be some errors posted,
+   * if the configuration failed 
+   * \return TRUE if snapshots are enabled, and FALSE if it is disabled
+   */
   function snapshotEnabled()
   {
-    $config = $this->config;
-    if($config->get_cfg_value("enableSnapshots") == "true"){
-	    /* Check if the snapshot_base is defined */
-	    if ($config->get_cfg_value("snapshotBase") == ""){
-		    msg_dialog::display(_("Configuration error"), sprintf(_("The snapshot functionality is enabled, but the required variable '%s' is not set."),"snapshotBase"), ERROR_DIALOG);
-		    return(FALSE);
-	    }
-
-	    /* check if there are special server configurations for snapshots */
-	    if ($config->get_cfg_value("snapshotURI") != ""){
-
-		    /* check if all required vars are available to create a new ldap connection */
-		    $missing = "";
-		    foreach(array("snapshotURI","snapshotAdminDn","snapshotAdminPassword","snapshotBase") as $var){
-			    if($config->get_cfg_value($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();
   }
 
 
-  /* Return available snapshots for the given base 
-   */
+  /* \brief Return available snapshots for the given base */
   function Available_SnapsShots($dn,$raw = false)
   {
     if(!$this->snapshotEnabled()) return(array());
@@ -1358,7 +1260,7 @@ class plugin
     }else{
       $server         = $this->config->get_cfg_value("snapshotURI");
       $user           = $this->config->get_cfg_value("snapshotAdminDn");
-      $password       = $this->config->get_cfg_value("snapshotAdminPassword");
+      $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);
@@ -1416,7 +1318,7 @@ class plugin
     }else{
       $server         = $this->config->get_cfg_value("snapshotURI");
       $user           = $this->config->get_cfg_value("snapshotAdminDn");
-      $password       = $this->config->get_cfg_value("snapshotAdminPassword");
+      $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);
@@ -1467,7 +1369,7 @@ class plugin
   } 
 
 
-  /* Restore selected snapshot */
+  /* \brief Restore selected snapshot */
   function restore_snapshot($dn)
   {
     if(!$this->snapshotEnabled()) return(array());
@@ -1482,7 +1384,7 @@ class plugin
     }else{
       $server         = $this->config->get_cfg_value("snapshotURI");
       $user           = $this->config->get_cfg_value("snapshotAdminDn");
-      $password       = $this->config->get_cfg_value("snapshotAdminPassword");
+      $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);
@@ -1515,46 +1417,6 @@ class plugin
 
     foreach($_POST as $name => $value){
 
-##   foreach($_POST as $name => $value){
-## +           $entry = base64_decode(preg_replace("/_[xy]$/","",$name));
-##
-##        /* Create a new snapshot, display a dialog */
-##        if(preg_match("/^CreateSnapShotDialog_/",$name) && $once){
-##          $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);
-## @@ -1538,8 +1530,7 @@
-##        /* 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));
-## +        $entry = preg_replace("/^RestoreSnapShotDialog_/","",$entry);
-##          if(!empty($entry) && $ui->allow_snapshot_restore($entry,$this->parent->acl_module)){
-##            $this->snapDialog = new SnapShotDialog($this->config,$entry,$this);
-##            $this->snapDialog->display_restore_dialog = true;
-## @@ -1566,8 +1557,7 @@
-##        /* Restore selected snapshot */
-##        if(preg_match("/^RestoreSnapShot_/",$name) && $once){
-##          $once = false;
-## -        $entry = preg_replace("/^RestoreSnapShot_/","",$name);
-## -        $entry = base64_decode(trim(preg_replace("/_[xy]$/","",$entry)));
-## +        $entry = preg_replace("/^RestoreSnapShot_/","",$entry);
-##          if(!empty($entry) && $ui->allow_snapshot_restore($entry,$this->parent->acl_module)){
-##            $this->restore_snapshot($entry);
-##            $this->snapDialog = NULL;
-## @@ -1628,6 +1618,7 @@
-## */
-##
-##
-##
-
-
-
       /* Create a new snapshot, display a dialog */
       if(preg_match("/^CreateSnapShotDialog_[^_]*_[xy]$/",$name) && $once){
 
@@ -1641,6 +1503,7 @@ class plugin
   }
 
 
+  /*! \brief Return plugin informations for acl handling */
   static function plInfo()
   {
     return array();
@@ -1714,11 +1577,12 @@ class plugin
   }
 
 
-  /*! \brief    Returns a list of all available departments for this object.  
-                If this object is new, all departments we are allowed to create a new user in are returned.
-                If this is an existing object, return all deps. we are allowed to move tis object too.
-
-      @return   Array [dn] => "..name"  // All deps. we are allowed to act on.
+  /*! \brief Returns a list of all available departments for this object.
+   * 
+   * If this object is new, all departments we are allowed to create a new user in
+   * are returned. If this is an existing object, return all deps. 
+   * We are allowed to move tis object too.
+   * \return array [dn] => "..name"  // All deps. we are allowed to act on.
   */
   function get_allowed_bases()
   {
@@ -1753,8 +1617,8 @@ class plugin
 
 
   /* This function updates ACL settings if $old_dn was used.
-   *  $old_dn   specifies the actually used dn
-   *  $new_dn   specifies the destiantion dn
+   *  \param string 'old_dn' specifies the actually used dn
+   *  \param string 'new_dn' specifies the destiantion dn
    */
   function update_acls($old_dn,$new_dn,$output_changes = FALSE)
   {
@@ -1765,10 +1629,10 @@ 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);
+      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."'");
     }
 
@@ -1784,7 +1648,7 @@ class plugin
         $acls = array();
         $found = false;
         for($i = 0 ; $i <  $attrs['gosaAclEntry']['count'] ; $i ++ ){
-          $acl_parts = split(":",$attrs['gosaAclEntry'][$i]);
+          $acl_parts = explode(":",$attrs['gosaAclEntry'][$i]);
 
           /* 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.
@@ -1838,9 +1702,10 @@ class plugin
 
   
 
-  /* This function enables the entry Serial ID check.
-   * If an entry was edited while we have edited the entry too,
-   *  an error message will be shown. 
+  /*! \brief Enable the Serial ID check
+   *
+   * This function enables the entry Serial ID check.  If an entry was edited while
+   * we have edited the entry too, an error message will be shown. 
    * To configure this check correctly read the FAQ.
    */    
   function enable_CSN_check()
@@ -1852,7 +1717,7 @@ class plugin
 
   /*! \brief  Prepares the plugin to be used for multiple edit
    *          Update plugin attributes with given array of attribtues.
-   *  @param  array   Array with attributes that must be updated.
+   *  \param  array   Array with attributes that must be updated.
    */
   function init_multiple_support($attrs,$all)
   {
@@ -1863,9 +1728,10 @@ 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];
         }
       }
     }
@@ -1882,7 +1748,7 @@ class plugin
 
 
   /*! \brief  Returns all values that have been modfied in multiple edit mode.
-      @return array Cotaining all mdofied values. 
+      \return array Cotaining all modified values. 
    */
   function get_multi_edit_values()
   {
@@ -1906,24 +1772,23 @@ class plugin
   }
 
 
-  /*! \brief execute plugin
-
-    Generates the html output for this node
-   */
+  /*! \brief Generates the html output for this node for multi edit*/
   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.");
   }
 
 
-  /*! \brief   Save HTML posted data to object for multiple edit
+  /*! \brief Save HTML posted data to object for multiple edit
    */
   function multiple_save_object()
   {
@@ -1962,7 +1827,7 @@ class plugin
   }
 
 
-  /*! \brief  Returns all attributes of this plugin, 
+  /*! \brief Returns all attributes of this plugin, 
                to be able to detect multiple used attributes 
                in multi_plugg::detect_multiple_used_attributes().
       @return array Attributes required for intialization of multi_plug
@@ -1975,7 +1840,7 @@ class plugin
 
 
   /*! \brief  Check given values in multiple edit
-      @return array Error messages
+      \return array Error messages
    */
   function multiple_check()
   {
@@ -1985,7 +1850,7 @@ class plugin
 
 
   /*! \brief  Returns the snapshot header part for "Actions" menu in management dialogs 
-      @param  $layer_menu  
+      \param  $layer_menu  
    */   
   function get_snapshot_header($base,$category)
   {
@@ -2075,10 +1940,10 @@ 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($this->CopyPasteHandler)){
@@ -2117,6 +1982,99 @@ class plugin
   {
     return(isset($this->dialog) && $this->dialog);
   }
+
+
+  /*! \brief    Forward command execution requests
+   *             to the hook execution method. 
+   */
+  function handle_post_events($mode, $addAttrs= array())
+  {
+    if(!in_array($mode, array('add','remove','modify'))){
+      trigger_error(sprintf("Invalid post event type given '%s'! Valid types are [add,modify,remove].", $mode));
+      return;
+    }
+    switch ($mode){
+      case "add":
+        plugin::callHook($this,"POSTCREATE", $addAttrs);
+      break;
+
+      case "modify":
+        plugin::callHook($this,"POSTMODIFY", $addAttrs);
+      break;
+
+      case "remove":
+        plugin::callHook($this,"POSTREMOVE", $addAttrs);
+      break;
+    }
+  }
+
+
+  /*! \brief    Calls external hooks which are defined for this plugin (gosa.conf)
+   *            Replaces placeholder by class values of this plugin instance.
+   *  @param    Allows to a add special replacements.
+   */
+  static function callHook($plugin, $cmd, $addAttrs= array())
+  {
+    global $config;
+    $command= $config->search(get_class($plugin), $cmd,array('menu','tabs'));
+    if ($command != ""){
+
+      // Walk trough attributes list and add the plugins attributes. 
+      foreach ($plugin->attributes as $attr){
+        if (!is_array($plugin->$attr)){
+          $addAttrs[$attr] = $plugin->$attr;
+        }
+      }
+      $ui = get_userinfo();
+      $addAttrs['callerDN']=$ui->dn;
+      $addAttrs['dn']=$plugin->dn;
+
+      // Sort attributes by length, ensures correct replacement
+      $tmp = array();
+      foreach($addAttrs as $name => $value){
+        $tmp[$name] =  strlen($name);
+      }
+      arsort($tmp);
+
+      // Now replace the placeholder 
+      foreach ($tmp as $name => $len){
+        $value = $addAttrs[$name];
+        $command= str_replace("%$name", "$value", $command);
+      }
+
+      // If there are still some %.. in our command, try to fill these with some other class vars 
+      if(preg_match("/%/",$command)){
+        $attrs = get_object_vars($plugin);
+        foreach($attrs as $name => $value){
+          if(is_array($value)){
+            $s = "";
+            foreach($value as $val){
+              if(is_string($val) || is_int($val) || is_float($val) || is_bool($val)){
+                $s .= '"'.$val.'",'; 
+              }
+            }
+            $value = '['.trim($s,',').']';
+          }
+          if(!is_string($value) && !is_int($value) && !is_float($value) && !is_bool($value)){
+            continue;
+          }
+          $command= preg_replace("/%$name/", $value, $command);
+        }
+      }
+
+      if (check_command($command)){
+        @DEBUG (DEBUG_SHELL, __LINE__, __FUNCTION__, __FILE__,$command,"Execute");
+        exec($command,$arr);
+        if(is_array($arr)){
+          $str = implode("\n",$arr);
+          @DEBUG (DEBUG_SHELL, __LINE__, __FUNCTION__, __FILE__, $command, "Result: ".$str);
+        }
+      } else {
+        $message= msgPool::cmdnotfound("POSTCREATE", get_class($plugin));
+        msg_dialog::display(_("Error"), $message, ERROR_DIALOG);
+      }
+    }
+  }
 }
 
 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler: