diff -ur kdebase-3.5.9/kioslave/media/mediamanager/halbackend.cpp kdebase-3.5.9-userdiskmount/kioslave/media/mediamanager/halbackend.cpp
--- kdebase-3.5.9/kioslave/media/mediamanager/halbackend.cpp	2008-02-13 10:40:36.000000000 +0100
+++ kdebase-3.5.9-userdiskmount/kioslave/media/mediamanager/halbackend.cpp	2008-03-27 04:59:21.000000000 +0100
@@ -20,6 +20,7 @@
 #include "linuxcdpolling.h"
 
 #include <stdlib.h>
+#include <locale.h>
 
 #include <kapplication.h>
 #include <qeventloop.h>
@@ -33,6 +34,8 @@
 #include <kmountpoint.h>
 #include <kmessagebox.h>
 #include <kio/job.h>
+#include <kstandarddirs.h>
+#include <kprocess.h>
 
 #define MOUNT_SUFFIX	(libhal_volume_is_mounted(halVolume) ? QString("_mounted") : QString("_unmounted"))
 #define MOUNT_ICON_SUFFIX	(libhal_volume_is_mounted(halVolume) ? QString("_mount") : QString("_unmount"))
@@ -945,6 +948,92 @@
     return true;
 }
 
+static QString startKdeSuProcess(const QString& kdesuPath, const QString& command)
+{
+    KProcess kdesuProcess;
+
+    kdesuProcess << kdesuPath
+		<< "-d"
+		<< "--noignorebutton"
+		<< "-c" << command;
+
+    // @todo handle kdesu output
+    kdesuProcess.start(KProcess::Block);
+
+    return QString();
+}
+
+static QString startPrivilegedProcess(const QString& command)
+{
+    QString error;
+
+    QString kdesuPath = KStandardDirs::findExe("kdesu");
+
+    if (kdesuPath.isEmpty())
+        error = QString::fromLatin1("kdesu not found");
+    else
+        error = startKdeSuProcess(kdesuPath, command);
+
+    return error;
+}
+
+static QString privilegedMount(const char* udi, const char* mountPoint, const char** options, int numberOfOptions)
+{
+    QString error;
+ 
+    kdDebug() << "run privileged mount for " << udi << endl;
+
+    QString dbusSendPath = KStandardDirs::findExe("dbus-send");
+
+    // @todo return error message
+    if (dbusSendPath.isEmpty())
+        return QString::fromLatin1("dbus-send not found");
+
+    QString mountOptions;
+    QTextOStream optionsStream(&mountOptions);
+    for (int optionIndex = 0; optionIndex < numberOfOptions; optionIndex++) {
+        optionsStream << options[optionIndex];
+        if (optionIndex < numberOfOptions - 1)
+            optionsStream << ",";
+    }
+
+    QString command;
+    QTextOStream(&command) << dbusSendPath
+            << " --system --print-reply --dest=org.freedesktop.Hal " << udi
+            << " org.freedesktop.Hal.Device.Volume.Mount string:" << mountPoint
+            << " string: array:string:" << mountOptions;
+
+    kdDebug() << "command: " << command << endl;
+
+    error = startPrivilegedProcess(command);
+
+    return error;
+}
+
+static QString privilegedUnmount(const char* udi)
+{
+    QString error;
+ 
+    kdDebug() << "run privileged unmount for " << udi << endl;
+
+    QString dbusSendPath = KStandardDirs::findExe("dbus-send");
+
+    // @todo return error message
+    if (dbusSendPath.isEmpty())
+        return QString();
+
+    QString command;
+    QTextOStream(&command) << dbusSendPath
+            << " --system --print-reply --dest=org.freedesktop.Hal " << udi
+            << " org.freedesktop.Hal.Device.Volume.Unmount array:string:force";
+
+    kdDebug() << "command: " << command << endl;
+
+    error = startPrivilegedProcess(command);
+
+    return error;
+}
+
 static QString mount_priv(const char *udi, const char *mount_point, const char **poptions, int noptions,
 			  DBusConnection *dbus_connection)
 {
@@ -979,6 +1068,8 @@
             qerror = i18n("Invalid filesystem type");
         else if ( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.PermissionDenied"))
             qerror = i18n("Permissions denied");
+        else if ( !strcmp(error.name, "org.freedesktop.Hal.Device.PermissionDeniedByPolicy"))
+            qerror = privilegedMount(udi, mount_point, poptions, noptions);
         else if ( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.AlreadyMounted"))
             qerror = i18n("Device is already mounted.");
         else if ( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.InvalidMountpoint") && strlen(mount_point)) {
@@ -1135,7 +1226,7 @@
     if (valids["flush"] == "true")
         soptions << "flush";
 
-    if (valids["uid"] == "true")
+    if ((valids["uid"] == "true") && (medium->fsType() == "vfat" || medium->fsType() == "iso9660" || medium->fsType() == "hfs" || medium->fsType() == "udf"))
     {
         soptions << QString("uid=%1").arg(getuid());
     }
@@ -1155,6 +1246,13 @@
     if (valids["sync"] == "true")
         soptions << "sync";
 
+    if (medium->fsType() == "ntfs") {
+        QString fsLocale("locale=");
+        fsLocale += setlocale(LC_ALL, "");
+
+        soptions << fsLocale;
+    }
+
     QString mount_point = valids["mountpoint"];
     if (mount_point.startsWith("/media/"))
         mount_point = mount_point.mid(7);
@@ -1283,6 +1381,18 @@
     {
         QString qerror, reason;
 
+        if (!strcmp(error.name, "org.freedesktop.Hal.Device.PermissionDeniedByPolicy")) {
+            qerror = privilegedUnmount(udi);
+
+            if (qerror.isEmpty()) {
+                dbus_message_unref(dmesg);
+                dbus_error_free(&error);
+                return QString();
+            }
+
+            // @todo handle unmount error message
+        }
+        
         kdDebug() << "unmount failed for " << udi << ": " << error.name << " " << error.message << endl;
         qerror = "<qt>";
         qerror += "<p>" + i18n("Unfortunately, the device <b>%1</b> (%2) named <b>'%3'</b> and "