public override NativeResultCode CreateKey(RegistryRequest request, out RegCreationDisposition creationDisposition)
{
var virtualKeyPath = RegistryTranslator.ToVirtualPath(request.KeyFullPath);
var virtReq = new RegistryRequest(request)
{
KeyFullPath = virtualKeyPath
};
var result = base.CreateKey(virtReq, out creationDisposition);
request.Handle = virtReq.Handle;
return(result);
}
public override NativeResultCode QueryValue(RegistryValueRequest request)
{
var resultCode = base.QueryValue(request);
if (resultCode != NativeResultCode.FileNotFound)
{
return(resultCode); // Base knows the value
}
if (!IsKnownKey(request))
{
return(NativeResultCode.InvalidHandle); // Base does not know the handle
}
if (request.VirtualizationType == VirtualizationType.Virtual)
{
return(NativeResultCode.FileNotFound); // Not allowed to retrieve value from host registry
}
// Query the value from the real registry.
try
{
ValueType valueType;
var realKeyPath = RegistryTranslator.ToRealPath(request.KeyFullPath);
var data = HostRegistry.QueryValue(realKeyPath, request.Value.Name, out valueType);
if (data == null)
{
return(NativeResultCode.FileNotFound);
}
request.Value = new VirtualRegistryValue(request.Value.Name, data.ToByteArray(), valueType);
}
catch
{
return(NativeResultCode.AccessDenied);
}
// Determine whether the newly acquired value needs to be written to the base.
if (request.VirtualizationType < VirtualizationType.TransparentRead)
{
var key = new VirtualRegistryKey(request.Handle, request.KeyFullPath);
key.Values.Add(request.Value.Name, request.Value);
WriteKey(key, false);
}
return(NativeResultCode.Success);
}
public override NativeResultCode OpenKey(RegistryRequest request)
{
var virtualKeyPath = RegistryTranslator.ToVirtualPath(request.KeyFullPath);
var virtReq = new RegistryRequest(request)
{
KeyFullPath = virtualKeyPath
};
if (base.OpenKey(virtReq) == NativeResultCode.Success)
{
request.Handle = virtReq.Handle;
return(NativeResultCode.Success);
}
if (request.VirtualizationType == VirtualizationType.Virtual ||
!HostRegistry.KeyExists(request.KeyFullPath))
{
return(NativeResultCode.FileNotFound);
}
var virtualRegistryKey = ConstructRegistryKey(virtualKeyPath);
WriteKey(virtualRegistryKey, true);
request.Handle = virtualRegistryKey.Handle;
return(NativeResultCode.Success);
}