1 files changed, 12 insertions, 4 deletions

diff --git a/noncore/net/wellenreiter/gui/wellenreiter.cpp b/noncore/net/wellenreiter/gui/wellenreiter.cpp
index 965f6b0..4257be1 100644
--- a/noncore/net/wellenreiter/gui/wellenreiter.cpp
+++ b/noncore/net/wellenreiter/gui/wellenreiter.cpp
@@ -400,18 +400,25 @@ void Wellenreiter::startClicked()
         QMessageBox::information( this, "Wellenreiter II",
                                   tr( "Your device is not\nproperly configured. Please reconfigure!" ) );
         return;
     }
 
     // configure device
-
     ONetwork* net = ONetwork::instance();
     iface = static_cast<OWirelessNetworkInterface*>(net->interface( interface ));
 
-    // set monitor mode
+    // bring device UP
+    iface->setUp( true );
+    if ( !iface->isUp() )
+    {
+        QMessageBox::warning( this, "Wellenreiter II",
+                            tr( "Can't bring interface '%1' up:\n" ).arg( iface->name() ) + strerror( errno ) );
+        return;
+    }
 
+    // set monitor mode
     bool usePrism = configwindow->usePrismHeader();
 
     switch ( cardtype )
     {
         case DEVTYPE_CISCO: iface->setMonitoring( new OCiscoMonitoringInterface( iface, usePrism ) ); break;
         case DEVTYPE_WLAN_NG: iface->setMonitoring( new OWlanNGMonitoringInterface( iface, usePrism ) ); break;
@@ -427,13 +434,13 @@ void Wellenreiter::startClicked()
     {
         if ( cardtype != DEVTYPE_MANUAL )
             iface->setMonitorMode( true );
         if ( !iface->monitorMode() )
         {
             QMessageBox::warning( this, "Wellenreiter II",
-                                  tr( "Can't set device into monitor mode." ) );
+                                  tr( "Can't set interface '%1' into monitor mode:\n" ).arg( iface->name() ) + strerror( errno ) );
             return;
         }
     }
 
     // open pcap and start sniffing
     if ( cardtype != DEVTYPE_FILE )
@@ -458,13 +465,13 @@ void Wellenreiter::startClicked()
         pcap->open( QFile( interface ) );
     }
 
     if ( !pcap->isOpen() )
     {
         QMessageBox::warning( this, "Wellenreiter II",
-                              tr( "Can't open packet capturer:\n" ) + QString(strerror( errno ) ));
+                              tr( "Can't open packet capturer for '%1':\n" ).arg( iface->name() ) + QString(strerror( errno ) ));
         return;
     }
 
     // set capturer to non-blocking mode
     pcap->setBlocking( false );
 
@@ -527,6 +534,7 @@ void Wellenreiter::doAction( const QString& action, const QString& protocol, OPa
     else if ( action == "LogMessage" )
         logwindow->log( QString().sprintf( "Got packet with protocol '%s'", (const char*) protocol ) );
     else if ( action == "MessageBox" )
         QMessageBox::information ( this, "Notification!",
         QString().sprintf( "Got packet with protocol '%s'", (const char*) protocol ) );
 }
+