/// <summary>
/// Returns the registry that must be used to handle te specified <see cref="RegistryRequest"/> with.
/// </summary>
/// <param name="request">The <see cref="RegistryRequest"/> to get the handling registry for.</param>
/// <param name="recoverHandle">Indicates whether or not a possible unknown <see cref="RegistryRequest.Handle"/> should be recovered and virtualized.</param>
/// <returns></returns>
public RegistryBase GetRegistryFor(RegistryRequest request, bool recoverHandle)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
RegistryBase result = null;
if (_virtualRegistry.IsKnownKey(request))
{
result = _virtualRegistry;
}
else if (_transparentRegistry.IsKnownKey(request))
{
result = _transparentRegistry;
}
else if (HiveHelper.IsHiveHandle(request.Handle))
{
request.KeyFullPath = HiveHelper.GetHive(request.Handle).AsRegistryHiveName();
result = GetDefaultRegistryFor(request);
}
else if (recoverHandle)
{
// Unknown handle, and allowed to be recovered and virtualized.
result = TryRecoverUnknownHandle(request);
}
else
{
EngineCore.Log.Error("Unknown registry key handle => {0}", request.Handle);
}
request.VirtualizationType = GetVirtualizationType(request.KeyFullPath);
return(result);
}
public NativeResultCode SetValue(uint hKey, VirtualRegistryValue value)
{
if (HiveHelper.IsHiveHandle(hKey))
{
return(NativeResultCode.AccessDenied);
}
var request = new RegistryValueRequest {
Handle = hKey, Value = value
};
var registry = _switch.GetRegistryFor(request);
return(registry != null
? registry.SetValue(request)
: NativeResultCode.InvalidHandle);
}
public NativeResultCode DeleteKey(uint hKey)
{
if (HiveHelper.IsHiveHandle(hKey))
{
return(NativeResultCode.AccessDenied);
}
var request = new RegistryRequest {
Handle = hKey
};
var registry = _switch.GetRegistryFor(request);
return(registry != null
? registry.DeleteKey(request)
: NativeResultCode.InvalidHandle);
}
public NativeResultCode QueryValue(uint hKey, string valueName, out VirtualRegistryValue value)
{
NativeResultCode result;
var request = new RegistryValueRequest(valueName)
{
Handle = hKey
};
if (!HiveHelper.IsHiveHandle(hKey))
{
var registry = _switch.GetRegistryFor(request);
result = registry != null
? registry.QueryValue(request)
: NativeResultCode.InvalidHandle;
}
else
{
result = NativeResultCode.AccessDenied;
}
value = request.Value;
return(result);
}