/// <summary>
/// Tries to recover from an unknown handle.
/// </summary>
/// <param name="request">The request for the unknown key handle to try to virtualize.</param>
/// <returns></returns>
private RegistryBase TryRecoverUnknownHandle(RegistryRequest request)
{
request.KeyFullPath = HostRegistry.GetKeyNameByHandle(request.Handle);
if (request.KeyFullPath == null)
{
EngineCore.Log.Error("Unknown registry key handle => {0}", request.Handle);
return(null);
}
EngineCore.Log.Warning("Recovering from unknown registry key handle => {0} => {1}", request.Handle,
request.KeyFullPath);
// Teach target about the recovered key handle.
var recoveredHandle = request.Handle;
var target = GetDefaultRegistryFor(request);
Exception error = null;
if (target.OpenKey(request) == NativeResultCode.Success)
{
try
{
target.AddAlias(request.Handle, recoveredHandle);
HostRegistry.CloseKey(recoveredHandle);
return(target);
}
catch (ApplicationException e)
{
error = e;
}
}
EngineCore.Log.Error("Unable to recover from unknown registry key handle => {0}",
error, request.Handle, request.KeyFullPath);
return(null);
}
public NativeResultCode CloseKey(uint hKey)
{
var request = new RegistryRequest {
Handle = hKey
};
var registry = _switch.GetRegistryFor(request, false);
if (registry != null)
{
return(registry.CloseKey(request));
}
return(HostRegistry.CloseKey(hKey)
? NativeResultCode.Success
: NativeResultCode.InvalidHandle);
}
public NativeResultCode OpenKey(uint hKey, string subKeyName, out uint hSubKey)
{
var request = new RegistryRequest {
Handle = hKey
};
var registry = _switch.GetRegistryFor(request);
if (registry != null)
{
request.KeyFullPath = HostRegistry.CombineKeyNames(request.KeyFullPath, subKeyName);
var result = registry.OpenKey(request);
hSubKey = request.Handle;
return(result);
}
hSubKey = 0;
return(NativeResultCode.InvalidHandle);
}
public NativeResultCode CreateKey(uint hKey, string subKeyName, out uint hSubKey, out RegCreationDisposition creationDisposition)
{
var request = new RegistryRequest {
Handle = hKey
};
var registry = _switch.GetRegistryFor(request);
request.KeyFullPath = HostRegistry.CombineKeyNames(request.KeyFullPath, subKeyName);
if (registry != null)
{
var result = registry.CreateKey(request, out creationDisposition);
hSubKey = request.Handle;
return(result);
}
hSubKey = 0;
creationDisposition = RegCreationDisposition.NoKeyCreated;
return(NativeResultCode.InvalidHandle);
}
