Fixed error messages in servnfs:

PHP error: preg_match(): Compilation failed: range out of order in
character class at offset 2

git-svn-id: https://oss.gonicus.de/repositories/gosa/branches/2.5@7760 594d385d-05f5-0310-b6e9-bd551577e9d8

diff --git a/plugins/admin/systems/class_servNfs.inc b/plugins/admin/systems/class_servNfs.inc
index 9353b955d39ba0d6e0b845669dca23640c93dfcd..f8c90b1d5a75b159d519d3c80f5af2690f871286 100644 (file)
--- a/plugins/admin/systems/class_servNfs.inc
+++ b/plugins/admin/systems/class_servNfs.inc
@@ -185,11 +185,11 @@ class servnfs extends plugin
       }
     }
 
-    if(preg_match("/^[a-z0-9\._äüö\+ -]*$/ui",$this->description)){
+    if(!empty($this->description) && preg_match("/^[^a-z0-9\._äüö\+ -]*$/ui",$this->description)){
       $message[]=_("Description contains invalid characters.");
     }
 
-    if(preg_match("/^[a-z0-9\._äüö\+ -]*$/ui",$this->volume)){
+    if(!empty($this->volume) && preg_match("/^[^a-z0-9\._äüö\+ -]*$/ui",$this->volume)){
       $message[]=_("Volume contains invalid characters.");
     }
   
@@ -197,7 +197,7 @@ class servnfs extends plugin
       $message[]=_("Path contains invalid characters.");
     }
 
-    if(preg_match("/^[a-z0-9\._äüö,=\+- ]*$/ui",$this->option)){
+    if(!empty($this->option) && preg_match("/^[^a-z0-9\._äüö,=\+ -]*$/ui",$this->option)){
       $message[]=_("Option contains invalid characters.");
     }