Beispiel #1
0
        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);
        }
Beispiel #2
0
        private void Initialize(BinaryReader Reader, long CmdPtr)
        {
            int Word0 = Reader.ReadInt32();
            int Word1 = Reader.ReadInt32();

            Type = (IpcMessageType)(Word0 & 0xffff);

            int PtrBuffCount  = (Word0 >> 16) & 0xf;
            int SendBuffCount = (Word0 >> 20) & 0xf;
            int RecvBuffCount = (Word0 >> 24) & 0xf;
            int XchgBuffCount = (Word0 >> 28) & 0xf;

            int  RawDataSize   = (Word1 >> 0) & 0x3ff;
            int  RecvListFlags = (Word1 >> 10) & 0xf;
            bool HndDescEnable = ((Word1 >> 31) & 0x1) != 0;

            if (HndDescEnable)
            {
                HandleDesc = new IpcHandleDesc(Reader);
            }

            for (int Index = 0; Index < PtrBuffCount; Index++)
            {
                PtrBuff.Add(new IpcPtrBuffDesc(Reader));
            }

            void ReadBuff(List <IpcBuffDesc> Buff, int Count)
            {
                for (int Index = 0; Index < Count; Index++)
                {
                    Buff.Add(new IpcBuffDesc(Reader));
                }
            }

            ReadBuff(SendBuff, SendBuffCount);
            ReadBuff(ReceiveBuff, RecvBuffCount);
            ReadBuff(ExchangeBuff, XchgBuffCount);

            RawDataSize *= 4;

            long RecvListPos = Reader.BaseStream.Position + RawDataSize;

            long Pad0 = GetPadSize16(Reader.BaseStream.Position + CmdPtr);

            Reader.BaseStream.Seek(Pad0, SeekOrigin.Current);

            int RecvListCount = RecvListFlags - 2;

            if (RecvListCount == 0)
            {
                RecvListCount = 1;
            }
            else if (RecvListCount < 0)
            {
                RecvListCount = 0;
            }

            RawData = Reader.ReadBytes(RawDataSize);

            Reader.BaseStream.Seek(RecvListPos, SeekOrigin.Begin);

            for (int Index = 0; Index < RecvListCount; Index++)
            {
                RecvListBuff.Add(new IpcRecvListBuffDesc(Reader));
            }
        }