protected static void MakeObject(ServiceCtx context, IpcService obj)
{
IpcService service = context.Session.Service;
if (service._isDomain)
{
context.Response.ObjectIds.Add(service.Add(obj));
}
else
{
KSession session = new KSession(context.Device.System);
session.ClientSession.Service = obj;
if (context.Process.HandleTable.GenerateHandle(session.ClientSession, out int handle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
context.Response.HandleDesc = IpcHandleDesc.MakeMove(handle);
}
}
public long GetService(ServiceCtx context)
{
//Only for kernel version > 3.0.0.
if (!_isInitialized)
{
//return SmNotInitialized;
}
string name = string.Empty;
for (int index = 0; index < 8 &&
context.RequestData.BaseStream.Position <
context.RequestData.BaseStream.Length; index++)
{
byte chr = context.RequestData.ReadByte();
if (chr >= 0x20 && chr < 0x7f)
{
name += (char)chr;
}
}
if (name == string.Empty)
{
return(0);
}
KSession session = new KSession(ServiceFactory.MakeService(context.Device.System, name), name);
if (context.Process.HandleTable.GenerateHandle(session, out int handle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
context.Response.HandleDesc = IpcHandleDesc.MakeMove(handle);
return(0);
}
private KernelResult SendSyncRequest(ulong messagePtr, ulong size, int handle)
{
byte[] messageData = _memory.ReadBytes((long)messagePtr, (long)size);
KSession session = _process.HandleTable.GetObject <KSession>(handle);
if (session != null)
{
_system.CriticalSection.Enter();
KThread currentThread = _system.Scheduler.GetCurrentThread();
currentThread.SignaledObj = null;
currentThread.ObjSyncResult = KernelResult.Success;
currentThread.Reschedule(ThreadSchedState.Paused);
IpcMessage message = new IpcMessage(messageData, (long)messagePtr);
ThreadPool.QueueUserWorkItem(ProcessIpcRequest, new HleIpcMessage(
currentThread,
session,
message,
(long)messagePtr));
_system.ThreadCounter.AddCount();
_system.CriticalSection.Leave();
return(currentThread.ObjSyncResult);
}
else
{
Logger.PrintWarning(LogClass.KernelSvc, $"Invalid session handle 0x{handle:x8}!");
return(KernelResult.InvalidHandle);
}
}
public static long IpcCall(
Switch Ns,
Process Process,
AMemory Memory,
KSession Session,
IpcMessage Request,
long CmdPtr)
{
IpcMessage Response = new IpcMessage();
using (MemoryStream Raw = new MemoryStream(Request.RawData))
{
BinaryReader ReqReader = new BinaryReader(Raw);
if (Request.Type == IpcMessageType.Request)
{
Response.Type = IpcMessageType.Response;
using (MemoryStream ResMS = new MemoryStream())
{
BinaryWriter ResWriter = new BinaryWriter(ResMS);
ServiceCtx Context = new ServiceCtx(
Ns,
Process,
Memory,
Session,
Request,
Response,
ReqReader,
ResWriter);
Session.Service.CallMethod(Context);
Response.RawData = ResMS.ToArray();
}
}
else if (Request.Type == IpcMessageType.Control)
{
long Magic = ReqReader.ReadInt64();
long CmdId = ReqReader.ReadInt64();
switch (CmdId)
{
case 0:
{
Request = FillResponse(Response, 0, Session.Service.ConvertToDomain());
break;
}
case 3:
{
Request = FillResponse(Response, 0, 0x500);
break;
}
//TODO: Whats the difference between IpcDuplicateSession/Ex?
case 2:
case 4:
{
int Unknown = ReqReader.ReadInt32();
int Handle = Process.HandleTable.OpenHandle(Session);
Response.HandleDesc = IpcHandleDesc.MakeMove(Handle);
Request = FillResponse(Response, 0);
break;
}
default: throw new NotImplementedException(CmdId.ToString());
}
}
else if (Request.Type == IpcMessageType.CloseSession)
{
//TODO
}
else
{
throw new NotImplementedException(Request.Type.ToString());
}
Memory.WriteBytes(CmdPtr, Response.GetBytes(CmdPtr));
}
return(0);
}
private KernelResult CreateSession(
bool isLight,
ulong namePtr,
out int serverSessionHandle,
out int clientSessionHandle)
{
serverSessionHandle = 0;
clientSessionHandle = 0;
KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
KResourceLimit resourceLimit = currentProcess.ResourceLimit;
KernelResult result = KernelResult.Success;
if (resourceLimit != null && !resourceLimit.Reserve(LimitableResource.Session, 1))
{
return(KernelResult.ResLimitExceeded);
}
if (isLight)
{
KLightSession session = new KLightSession(_system);
result = currentProcess.HandleTable.GenerateHandle(session.ServerSession, out serverSessionHandle);
if (result == KernelResult.Success)
{
result = currentProcess.HandleTable.GenerateHandle(session.ClientSession, out clientSessionHandle);
if (result != KernelResult.Success)
{
currentProcess.HandleTable.CloseHandle(serverSessionHandle);
serverSessionHandle = 0;
}
}
session.ServerSession.DecrementReferenceCount();
session.ClientSession.DecrementReferenceCount();
}
else
{
KSession session = new KSession(_system);
result = currentProcess.HandleTable.GenerateHandle(session.ServerSession, out serverSessionHandle);
if (result == KernelResult.Success)
{
result = currentProcess.HandleTable.GenerateHandle(session.ClientSession, out clientSessionHandle);
if (result != KernelResult.Success)
{
currentProcess.HandleTable.CloseHandle(serverSessionHandle);
serverSessionHandle = 0;
}
}
session.ServerSession.DecrementReferenceCount();
session.ClientSession.DecrementReferenceCount();
}
return(result);
}
// GetService(ServiceName name) -> handle<move, session>
public ResultCode GetService(ServiceCtx context)
{
if (!_isInitialized)
{
return(ResultCode.NotInitialized);
}
string name = ReadName(context);
if (name == string.Empty)
{
return(ResultCode.InvalidName);
}
KSession session = new KSession(context.Device.System.KernelContext);
if (_registeredServices.TryGetValue(name, out KPort port))
{
KernelResult result = port.EnqueueIncomingSession(session.ServerSession);
if (result != KernelResult.Success)
{
throw new InvalidOperationException($"Session enqueue on port returned error \"{result}\".");
}
}
else
{
if (_services.TryGetValue(name, out Type type))
{
ServiceAttribute serviceAttribute = (ServiceAttribute)type.GetCustomAttributes(typeof(ServiceAttribute)).First(service => ((ServiceAttribute)service).Name == name);
session.ClientSession.Service = serviceAttribute.Parameter != null ? (IpcService)Activator.CreateInstance(type, context, serviceAttribute.Parameter)
: (IpcService)Activator.CreateInstance(type, context);
}
else
{
if (ServiceConfiguration.IgnoreMissingServices)
{
Logger.PrintWarning(LogClass.Service, $"Missing service {name} ignored");
session.ClientSession.Service = new DummyService(name);
}
else
{
throw new NotImplementedException(name);
}
}
}
if (context.Process.HandleTable.GenerateHandle(session.ClientSession, out int handle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
session.ServerSession.DecrementReferenceCount();
session.ClientSession.DecrementReferenceCount();
context.Response.HandleDesc = IpcHandleDesc.MakeMove(handle);
return(ResultCode.Success);
}
public static KernelResult IpcCall(
Switch device,
KProcess process,
MemoryManager memory,
KSession session,
IpcMessage request,
long cmdPtr)
{
IpcMessage response = new IpcMessage();
using (MemoryStream raw = new MemoryStream(request.RawData))
{
BinaryReader reqReader = new BinaryReader(raw);
if (request.Type == IpcMessageType.Request ||
request.Type == IpcMessageType.RequestWithContext)
{
response.Type = IpcMessageType.Response;
using (MemoryStream resMs = new MemoryStream())
{
BinaryWriter resWriter = new BinaryWriter(resMs);
ServiceCtx context = new ServiceCtx(
device,
process,
memory,
session,
request,
response,
reqReader,
resWriter);
session.Service.CallMethod(context);
response.RawData = resMs.ToArray();
}
}
else if (request.Type == IpcMessageType.Control ||
request.Type == IpcMessageType.ControlWithContext)
{
long magic = reqReader.ReadInt64();
long cmdId = reqReader.ReadInt64();
switch (cmdId)
{
case 0:
{
request = FillResponse(response, 0, session.Service.ConvertToDomain());
break;
}
case 3:
{
request = FillResponse(response, 0, 0x500);
break;
}
//TODO: Whats the difference between IpcDuplicateSession/Ex?
case 2:
case 4:
{
int unknown = reqReader.ReadInt32();
if (process.HandleTable.GenerateHandle(session, out int handle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
response.HandleDesc = IpcHandleDesc.MakeMove(handle);
request = FillResponse(response, 0);
break;
}
default: throw new NotImplementedException(cmdId.ToString());
}
}
else if (request.Type == IpcMessageType.CloseSession)
{
//TODO
}
else
{
throw new NotImplementedException(request.Type.ToString());
}
memory.WriteBytes(cmdPtr, response.GetBytes(cmdPtr));
}
return(KernelResult.Success);
}