Fixing serious bug in hasQuerySettings()

2 files changed, 44 insertions, 0 deletions

diff --git a/libopie/pim/ocontactaccessbackend_xml.cpp b/libopie/pim/ocontactaccessbackend_xml.cpp
index 661cd51..097142b 100644
--- a/libopie/pim/ocontactaccessbackend_xml.cpp
+++ b/libopie/pim/ocontactaccessbackend_xml.cpp
@@ -12,16 +12,19 @@
  * ToDo: XML-Backend: Automatic reload if something was changed...
  *
  *
  * =====================================================================
  * Version: $Id$
  * =====================================================================
  * History:
  * $Log$
+ * Revision 1.6  2003/07/07 16:19:47  eilers
+ * Fixing serious bug in hasQuerySettings()
+ *
  * Revision 1.5  2003/04/13 18:07:10  zecke
  * More API doc
  * QString -> const QString&
  * QString = 0l -> QString::null
  *
  * Revision 1.4  2003/03/21 14:32:54  mickeyl
  * g++ compliance fix: default arguments belong into the declaration, but not the definition
  *
@@ -442,32 +445,51 @@ const uint OContactAccessBackend_XML::querySettings()
 
 bool OContactAccessBackend_XML::hasQuerySettings (uint querySettings) const
 {
         /* OContactAccess::IgnoreCase, DateDiff, DateYear, DateMonth, DateDay
          * may be added with any of the other settings. IgnoreCase should never used alone.
          * Wildcards, RegExp, ExactMatch should never used at the same time...
          */
 
+        // Step 1: Check whether the given settings are supported by this backend
+        if ( ( querySettings & ( 
+                                OContactAccess::IgnoreCase
+                                | OContactAccess::WildCards
+                                | OContactAccess::DateDiff
+                                | OContactAccess::DateYear
+                                | OContactAccess::DateMonth
+                                | OContactAccess::DateDay
+                                | OContactAccess::RegExp
+                                | OContactAccess::ExactMatch
+                               ) ) != querySettings )
+                return false;
+
+        // Step 2: Check whether the given combinations are ok..
+
+        // IngoreCase alone is invalid
         if ( querySettings == OContactAccess::IgnoreCase )
                 return false;
 
+        // WildCards, RegExp and ExactMatch should never used at the same time 
         switch ( querySettings & ~( OContactAccess::IgnoreCase
                                     | OContactAccess::DateDiff
                                     | OContactAccess::DateYear
                                     | OContactAccess::DateMonth
                                     | OContactAccess::DateDay
                                     )
                  ){
         case OContactAccess::RegExp:
                 return ( true );
         case OContactAccess::WildCards:
                 return ( true );
         case OContactAccess::ExactMatch:
                 return ( true );
+        case 0: // one of the upper removed bits were set..
+                return ( true );
         default:
                 return ( false );
         }
 }
 
 // Currently only asc implemented..
 QArray<int> OContactAccessBackend_XML::sorted( bool asc,  int , int ,  int )
 {
diff --git a/libopie2/opiepim/backend/ocontactaccessbackend_xml.cpp b/libopie2/opiepim/backend/ocontactaccessbackend_xml.cpp
index 661cd51..097142b 100644
--- a/libopie2/opiepim/backend/ocontactaccessbackend_xml.cpp
+++ b/libopie2/opiepim/backend/ocontactaccessbackend_xml.cpp
@@ -12,16 +12,19 @@
  * ToDo: XML-Backend: Automatic reload if something was changed...
  *
  *
  * =====================================================================
  * Version: $Id$
  * =====================================================================
  * History:
  * $Log$
+ * Revision 1.6  2003/07/07 16:19:47  eilers
+ * Fixing serious bug in hasQuerySettings()
+ *
  * Revision 1.5  2003/04/13 18:07:10  zecke
  * More API doc
  * QString -> const QString&
  * QString = 0l -> QString::null
  *
  * Revision 1.4  2003/03/21 14:32:54  mickeyl
  * g++ compliance fix: default arguments belong into the declaration, but not the definition
  *
@@ -442,32 +445,51 @@ const uint OContactAccessBackend_XML::querySettings()
 
 bool OContactAccessBackend_XML::hasQuerySettings (uint querySettings) const
 {
         /* OContactAccess::IgnoreCase, DateDiff, DateYear, DateMonth, DateDay
          * may be added with any of the other settings. IgnoreCase should never used alone.
          * Wildcards, RegExp, ExactMatch should never used at the same time...
          */
 
+        // Step 1: Check whether the given settings are supported by this backend
+        if ( ( querySettings & ( 
+                                OContactAccess::IgnoreCase
+                                | OContactAccess::WildCards
+                                | OContactAccess::DateDiff
+                                | OContactAccess::DateYear
+                                | OContactAccess::DateMonth
+                                | OContactAccess::DateDay
+                                | OContactAccess::RegExp
+                                | OContactAccess::ExactMatch
+                               ) ) != querySettings )
+                return false;
+
+        // Step 2: Check whether the given combinations are ok..
+
+        // IngoreCase alone is invalid
         if ( querySettings == OContactAccess::IgnoreCase )
                 return false;
 
+        // WildCards, RegExp and ExactMatch should never used at the same time 
         switch ( querySettings & ~( OContactAccess::IgnoreCase
                                     | OContactAccess::DateDiff
                                     | OContactAccess::DateYear
                                     | OContactAccess::DateMonth
                                     | OContactAccess::DateDay
                                     )
                  ){
         case OContactAccess::RegExp:
                 return ( true );
         case OContactAccess::WildCards:
                 return ( true );
         case OContactAccess::ExactMatch:
                 return ( true );
+        case 0: // one of the upper removed bits were set..
+                return ( true );
         default:
                 return ( false );
         }
 }
 
 // Currently only asc implemented..
 QArray<int> OContactAccessBackend_XML::sorted( bool asc,  int , int ,  int )
 {