fixes #2642 "GUI crashes if user cancels newFirewall dialog".

doc/ChangeLog

@@ -1,5 +1,8 @@
 2011-08-11  Vadim Kurland  <vadim@netcitadel.com>
 
+	* newFirewallDialog.cpp (cleanup): fixes #2642 "GUI crashes if
+	user cancels newFirewall dialog".
+
 	* RuleOptionsDialog.cpp (fillInterfaces): the drop-down list of
 	interfaces for the "route-through" rule option for PF and iptables
 	should include not only cluster interfaces, but also interfaces of

src/libgui/newFirewallDialog.cpp

@@ -1065,7 +1065,7 @@ bool newFirewallDialog::validateAddressAndMask(const QString &addr,
     return true;
 }
 
-void newFirewallDialog::cancelClicked()
+void newFirewallDialog::cleanup()
 {
     if (nfw)
     {
@@ -1079,7 +1079,11 @@ void newFirewallDialog::cancelClicked()
         delete tmpldb;
         tmpldb = NULL;
     }
+}
 
+void newFirewallDialog::cancelClicked()
+{
+    cleanup();
     reject();
 }
 

src/libgui/newFirewallDialog.h

@@ -135,6 +135,7 @@ protected slots:
     void nextClicked();
     void backClicked();
 
+    void cleanup();    
 };
 
 #endif // __NEWFIREWALLDIALOG_H

src/libgui/newfirewalldialog_q.ui

@@ -67,7 +67,7 @@
       </size>
      </property>
      <property name="currentIndex">
-      <number>4</number>
+      <number>2</number>
      </property>
      <widget class="QWidget" name="page1">
       <layout class="QGridLayout" name="gridLayout_4">
@@ -1049,5 +1049,25 @@ You can change  interface names and their IP addresses on the next page. Templat
     </hint>
    </hints>
   </connection>
+  <connection>
+   <sender>newFirewallDialog_q</sender>
+   <signal>rejected()</signal>
+   <receiver>newFirewallDialog_q</receiver>
+   <slot>cleanup()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>324</x>
+     <y>294</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>324</x>
+     <y>294</y>
+    </hint>
+   </hints>
+  </connection>
  </connections>
+ <slots>
+  <slot>cancelClicked()</slot>
+  <slot>cleanup()</slot>
+ </slots>
 </ui>