- fixed bug in server side delete-data-set service. Server crashes when client sends an unknown LD/domain name

src/mms/iso_mms/server/mms_domain.c

@@ -80,6 +80,9 @@ MmsDomain_getNamedVariableList(MmsDomain* self, char* variableListName)
 {
 	MmsNamedVariableList variableList = NULL;
 
+	if (self == NULL)
+	    goto exit_function;
+
 	LinkedList element = LinkedList_getNext(self->namedVariableLists);
 
 	while (element != NULL) {
@@ -93,6 +96,8 @@ MmsDomain_getNamedVariableList(MmsDomain* self, char* variableListName)
 		element = LinkedList_getNext(element);
 	}
 
+
+exit_function:
 	return variableList;
 }
 

src/mms/iso_mms/server/mms_named_variable_list_service.c

@@ -141,6 +141,8 @@ mmsServer_handleDeleteNamedVariableListRequest(MmsServerConnection connection,
 
 		        MmsDomain* domain = MmsDevice_getDomain(device, domainName);
 
+		        if (domain != NULL) {
+
                     MmsNamedVariableList variableList = MmsDomain_getNamedVariableList(domain, listName);
 
                     if (variableList != NULL) {
@@ -153,6 +155,7 @@ mmsServer_handleDeleteNamedVariableListRequest(MmsServerConnection connection,
                                 numberDeleted++;
                             }
                         }
+                    }
 		        }
 			}
 			else if (request->listOfVariableListName->list.array[i]->present == ObjectName_PR_aaspecific) {