mirror of
https://github.com/reactos/reactos.git
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522 lines
17 KiB
C
522 lines
17 KiB
C
/*
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* NDR Serialization Services
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*
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* Copyright (c) 2007 Robert Shearman for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "precomp.h"
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#include <midles.h>
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WINE_DEFAULT_DEBUG_CHANNEL(ole);
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static inline void init_MIDL_ES_MESSAGE(MIDL_ES_MESSAGE *pEsMsg)
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{
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memset(pEsMsg, 0, sizeof(*pEsMsg));
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/* even if we are unmarshalling, as we don't want pointers to be pointed
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* to buffer memory */
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pEsMsg->StubMsg.IsClient = TRUE;
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pEsMsg->MesVersion = 1;
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}
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/***********************************************************************
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* MesEncodeIncrementalHandleCreate [RPCRT4.@]
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*/
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RPC_STATUS WINAPI MesEncodeIncrementalHandleCreate(
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void *UserState, MIDL_ES_ALLOC AllocFn, MIDL_ES_WRITE WriteFn,
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handle_t *pHandle)
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{
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MIDL_ES_MESSAGE *pEsMsg;
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TRACE("(%p, %p, %p, %p)\n", UserState, AllocFn, WriteFn, pHandle);
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pEsMsg = HeapAlloc(GetProcessHeap(), 0, sizeof(*pEsMsg));
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if (!pEsMsg)
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return RPC_S_OUT_OF_MEMORY;
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init_MIDL_ES_MESSAGE(pEsMsg);
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pEsMsg->Operation = MES_ENCODE;
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pEsMsg->UserState = UserState;
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pEsMsg->HandleStyle = MES_INCREMENTAL_HANDLE;
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pEsMsg->Alloc = AllocFn;
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pEsMsg->Write = WriteFn;
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*pHandle = (handle_t)pEsMsg;
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return RPC_S_OK;
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}
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/***********************************************************************
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* MesDecodeIncrementalHandleCreate [RPCRT4.@]
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*/
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RPC_STATUS WINAPI MesDecodeIncrementalHandleCreate(
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void *UserState, MIDL_ES_READ ReadFn, handle_t *pHandle)
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{
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MIDL_ES_MESSAGE *pEsMsg;
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TRACE("(%p, %p, %p)\n", UserState, ReadFn, pHandle);
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pEsMsg = HeapAlloc(GetProcessHeap(), 0, sizeof(*pEsMsg));
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if (!pEsMsg)
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return RPC_S_OUT_OF_MEMORY;
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init_MIDL_ES_MESSAGE(pEsMsg);
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pEsMsg->Operation = MES_DECODE;
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pEsMsg->UserState = UserState;
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pEsMsg->HandleStyle = MES_INCREMENTAL_HANDLE;
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pEsMsg->Read = ReadFn;
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*pHandle = (handle_t)pEsMsg;
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return RPC_S_OK;
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}
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/***********************************************************************
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* MesIncrementalHandleReset [RPCRT4.@]
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*/
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RPC_STATUS WINAPI MesIncrementalHandleReset(
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handle_t Handle, void *UserState, MIDL_ES_ALLOC AllocFn,
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MIDL_ES_WRITE WriteFn, MIDL_ES_READ ReadFn, MIDL_ES_CODE Operation)
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{
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MIDL_ES_MESSAGE *pEsMsg = Handle;
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TRACE("(%p, %p, %p, %p, %p, %d)\n", Handle, UserState, AllocFn,
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WriteFn, ReadFn, Operation);
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init_MIDL_ES_MESSAGE(pEsMsg);
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pEsMsg->Operation = Operation;
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pEsMsg->UserState = UserState;
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pEsMsg->HandleStyle = MES_INCREMENTAL_HANDLE;
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pEsMsg->Alloc = AllocFn;
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pEsMsg->Write = WriteFn;
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pEsMsg->Read = ReadFn;
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return RPC_S_OK;
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}
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/***********************************************************************
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* MesBufferHandleReset [RPCRT4.@]
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*/
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RPC_STATUS WINAPI MesBufferHandleReset(handle_t Handle, ULONG HandleStyle,
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MIDL_ES_CODE Operation, char **Buffer, ULONG BufferSize, ULONG *EncodedSize)
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{
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MIDL_ES_MESSAGE *pEsMsg = (MIDL_ES_MESSAGE *)Handle;
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TRACE("(%p, %u, %d, %p, %u, %p)\n", Handle, HandleStyle, Operation, Buffer,
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BufferSize, EncodedSize);
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if (!Handle || !Buffer || !EncodedSize)
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return RPC_S_INVALID_ARG;
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if (Operation != MES_ENCODE && Operation != MES_DECODE && Operation != MES_ENCODE_NDR64)
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return RPC_S_INVALID_ARG;
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if (HandleStyle != MES_FIXED_BUFFER_HANDLE && HandleStyle != MES_DYNAMIC_BUFFER_HANDLE)
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return RPC_S_INVALID_ARG;
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init_MIDL_ES_MESSAGE(pEsMsg);
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pEsMsg->Operation = Operation;
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pEsMsg->HandleStyle = HandleStyle;
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if (HandleStyle == MES_FIXED_BUFFER_HANDLE)
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pEsMsg->Buffer = (unsigned char*)*Buffer;
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else
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pEsMsg->pDynBuffer = (unsigned char**)Buffer;
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pEsMsg->BufferSize = BufferSize;
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pEsMsg->pEncodedSize = EncodedSize;
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return RPC_S_OK;
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}
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/***********************************************************************
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* MesHandleFree [RPCRT4.@]
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*/
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RPC_STATUS WINAPI MesHandleFree(handle_t Handle)
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{
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TRACE("(%p)\n", Handle);
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HeapFree(GetProcessHeap(), 0, Handle);
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return RPC_S_OK;
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}
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static RPC_STATUS validate_mes_buffer_pointer(const char *Buffer)
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{
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if (!Buffer)
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return RPC_S_INVALID_ARG;
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if (((ULONG_PTR)Buffer & 7) != 0)
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return RPC_X_INVALID_BUFFER;
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return RPC_S_OK;
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}
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/***********************************************************************
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* MesEncodeFixedBufferHandleCreate [RPCRT4.@]
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*/
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RPC_STATUS RPC_ENTRY MesEncodeFixedBufferHandleCreate(
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char *Buffer, ULONG BufferSize, ULONG *pEncodedSize, handle_t *pHandle)
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{
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MIDL_ES_MESSAGE *pEsMsg;
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RPC_STATUS status;
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TRACE("(%p, %d, %p, %p)\n", Buffer, BufferSize, pEncodedSize, pHandle);
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if ((status = validate_mes_buffer_pointer(Buffer)))
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return status;
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if (!pEncodedSize)
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return RPC_S_INVALID_ARG;
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/* FIXME: check BufferSize too */
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pEsMsg = HeapAlloc(GetProcessHeap(), 0, sizeof(*pEsMsg));
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if (!pEsMsg)
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return RPC_S_OUT_OF_MEMORY;
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init_MIDL_ES_MESSAGE(pEsMsg);
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pEsMsg->Operation = MES_ENCODE;
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pEsMsg->HandleStyle = MES_FIXED_BUFFER_HANDLE;
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pEsMsg->Buffer = (unsigned char *)Buffer;
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pEsMsg->BufferSize = BufferSize;
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pEsMsg->pEncodedSize = pEncodedSize;
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*pHandle = (handle_t)pEsMsg;
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return RPC_S_OK;
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}
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/***********************************************************************
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* MesEncodeDynBufferHandleCreate [RPCRT4.@]
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*/
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RPC_STATUS RPC_ENTRY MesEncodeDynBufferHandleCreate(char **Buffer,
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ULONG *pEncodedSize, handle_t *pHandle)
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{
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MIDL_ES_MESSAGE *pEsMsg;
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TRACE("(%p, %p, %p)\n", Buffer, pEncodedSize, pHandle);
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if (!pEncodedSize)
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return RPC_S_INVALID_ARG;
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pEsMsg = HeapAlloc(GetProcessHeap(), 0, sizeof(*pEsMsg));
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if (!pEsMsg)
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return RPC_S_OUT_OF_MEMORY;
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init_MIDL_ES_MESSAGE(pEsMsg);
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pEsMsg->Operation = MES_ENCODE;
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pEsMsg->HandleStyle = MES_DYNAMIC_BUFFER_HANDLE;
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pEsMsg->pDynBuffer = (unsigned char **)Buffer;
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pEsMsg->pEncodedSize = pEncodedSize;
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*pHandle = (handle_t)pEsMsg;
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return RPC_S_OK;
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}
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/***********************************************************************
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* MesDecodeBufferHandleCreate [RPCRT4.@]
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*/
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RPC_STATUS RPC_ENTRY MesDecodeBufferHandleCreate(
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char *Buffer, ULONG BufferSize, handle_t *pHandle)
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{
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MIDL_ES_MESSAGE *pEsMsg;
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RPC_STATUS status;
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TRACE("(%p, %d, %p)\n", Buffer, BufferSize, pHandle);
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if ((status = validate_mes_buffer_pointer(Buffer)))
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return status;
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pEsMsg = HeapAlloc(GetProcessHeap(), 0, sizeof(*pEsMsg));
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if (!pEsMsg)
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return RPC_S_OUT_OF_MEMORY;
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init_MIDL_ES_MESSAGE(pEsMsg);
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pEsMsg->Operation = MES_DECODE;
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pEsMsg->HandleStyle = MES_FIXED_BUFFER_HANDLE;
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pEsMsg->Buffer = (unsigned char *)Buffer;
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pEsMsg->BufferSize = BufferSize;
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*pHandle = (handle_t)pEsMsg;
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return RPC_S_OK;
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}
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static void es_data_alloc(MIDL_ES_MESSAGE *pEsMsg, ULONG size)
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{
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if (pEsMsg->HandleStyle == MES_INCREMENTAL_HANDLE)
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{
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unsigned int tmpsize = size;
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TRACE("%d with incremental handle\n", size);
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pEsMsg->Alloc(pEsMsg->UserState, (char **)&pEsMsg->StubMsg.Buffer, &tmpsize);
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if (tmpsize < size)
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{
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ERR("not enough bytes allocated - requested %d, got %d\n", size, tmpsize);
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RpcRaiseException(RPC_S_OUT_OF_MEMORY);
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}
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}
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else if (pEsMsg->HandleStyle == MES_FIXED_BUFFER_HANDLE)
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{
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TRACE("%d with fixed buffer handle\n", size);
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pEsMsg->StubMsg.Buffer = pEsMsg->Buffer;
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}
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pEsMsg->StubMsg.RpcMsg->Buffer = pEsMsg->StubMsg.BufferStart = pEsMsg->StubMsg.Buffer;
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}
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static void es_data_read(MIDL_ES_MESSAGE *pEsMsg, ULONG size)
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{
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if (pEsMsg->HandleStyle == MES_INCREMENTAL_HANDLE)
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{
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unsigned int tmpsize = size;
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TRACE("%d from incremental handle\n", size);
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pEsMsg->Read(pEsMsg->UserState, (char **)&pEsMsg->StubMsg.Buffer, &tmpsize);
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if (tmpsize < size)
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{
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ERR("not enough bytes read - requested %d, got %d\n", size, tmpsize);
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RpcRaiseException(RPC_S_OUT_OF_MEMORY);
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}
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}
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else
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{
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TRACE("%d from fixed or dynamic buffer handle\n", size);
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/* FIXME: validate BufferSize? */
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pEsMsg->StubMsg.Buffer = pEsMsg->Buffer;
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pEsMsg->Buffer += size;
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pEsMsg->BufferSize -= size;
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}
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pEsMsg->StubMsg.BufferLength = size;
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pEsMsg->StubMsg.RpcMsg->Buffer = pEsMsg->StubMsg.BufferStart = pEsMsg->StubMsg.Buffer;
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pEsMsg->StubMsg.BufferEnd = pEsMsg->StubMsg.Buffer + size;
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}
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static void es_data_write(MIDL_ES_MESSAGE *pEsMsg, ULONG size)
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{
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if (pEsMsg->HandleStyle == MES_INCREMENTAL_HANDLE)
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{
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TRACE("%d to incremental handle\n", size);
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pEsMsg->Write(pEsMsg->UserState, (char *)pEsMsg->StubMsg.BufferStart, size);
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}
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else
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{
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TRACE("%d to dynamic or fixed buffer handle\n", size);
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*pEsMsg->pEncodedSize += size;
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}
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}
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static inline ULONG mes_proc_header_buffer_size(void)
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{
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return 4 + 2*sizeof(RPC_SYNTAX_IDENTIFIER) + 12;
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}
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static void mes_proc_header_marshal(MIDL_ES_MESSAGE *pEsMsg)
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{
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const RPC_CLIENT_INTERFACE *client_interface = pEsMsg->StubMsg.StubDesc->RpcInterfaceInformation;
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*(WORD *)pEsMsg->StubMsg.Buffer = 0x0101;
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pEsMsg->StubMsg.Buffer += 2;
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*(WORD *)pEsMsg->StubMsg.Buffer = 0xcccc;
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pEsMsg->StubMsg.Buffer += 2;
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memcpy(pEsMsg->StubMsg.Buffer, &client_interface->TransferSyntax, sizeof(RPC_SYNTAX_IDENTIFIER));
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pEsMsg->StubMsg.Buffer += sizeof(RPC_SYNTAX_IDENTIFIER);
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memcpy(pEsMsg->StubMsg.Buffer, &pEsMsg->InterfaceId, sizeof(RPC_SYNTAX_IDENTIFIER));
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pEsMsg->StubMsg.Buffer += sizeof(RPC_SYNTAX_IDENTIFIER);
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*(DWORD *)pEsMsg->StubMsg.Buffer = pEsMsg->ProcNumber;
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pEsMsg->StubMsg.Buffer += 4;
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*(DWORD *)pEsMsg->StubMsg.Buffer = 0x00000001;
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pEsMsg->StubMsg.Buffer += 4;
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*(DWORD *)pEsMsg->StubMsg.Buffer = pEsMsg->ByteCount;
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pEsMsg->StubMsg.Buffer += 4;
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}
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static void mes_proc_header_unmarshal(MIDL_ES_MESSAGE *pEsMsg)
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{
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const RPC_CLIENT_INTERFACE *client_interface = pEsMsg->StubMsg.StubDesc->RpcInterfaceInformation;
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es_data_read(pEsMsg, mes_proc_header_buffer_size());
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if (*(WORD *)pEsMsg->StubMsg.Buffer != 0x0101)
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{
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FIXME("unknown value at Buffer[0] 0x%04x\n", *(WORD *)pEsMsg->StubMsg.Buffer);
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RpcRaiseException(RPC_X_WRONG_ES_VERSION);
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}
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pEsMsg->StubMsg.Buffer += 2;
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if (*(WORD *)pEsMsg->StubMsg.Buffer != 0xcccc)
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FIXME("unknown value at Buffer[2] 0x%04x\n", *(WORD *)pEsMsg->StubMsg.Buffer);
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pEsMsg->StubMsg.Buffer += 2;
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if (memcmp(pEsMsg->StubMsg.Buffer, &client_interface->TransferSyntax, sizeof(RPC_SYNTAX_IDENTIFIER)))
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{
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const RPC_SYNTAX_IDENTIFIER *AlienTransferSyntax = (const RPC_SYNTAX_IDENTIFIER *)pEsMsg->StubMsg.Buffer;
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ERR("bad transfer syntax %s {%d.%d}\n", debugstr_guid(&AlienTransferSyntax->SyntaxGUID),
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AlienTransferSyntax->SyntaxVersion.MajorVersion,
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AlienTransferSyntax->SyntaxVersion.MinorVersion);
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RpcRaiseException(RPC_S_UNSUPPORTED_TRANS_SYN);
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}
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pEsMsg->StubMsg.Buffer += sizeof(RPC_SYNTAX_IDENTIFIER);
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memcpy(&pEsMsg->InterfaceId, pEsMsg->StubMsg.Buffer, sizeof(RPC_SYNTAX_IDENTIFIER));
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pEsMsg->StubMsg.Buffer += sizeof(RPC_SYNTAX_IDENTIFIER);
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pEsMsg->ProcNumber = *(DWORD *)pEsMsg->StubMsg.Buffer;
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pEsMsg->StubMsg.Buffer += 4;
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if (*(DWORD *)pEsMsg->StubMsg.Buffer != 0x00000001)
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FIXME("unknown value 0x%08x, expected 0x00000001\n", *(DWORD *)pEsMsg->StubMsg.Buffer);
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pEsMsg->StubMsg.Buffer += 4;
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pEsMsg->ByteCount = *(DWORD *)pEsMsg->StubMsg.Buffer;
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pEsMsg->StubMsg.Buffer += 4;
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if (pEsMsg->ByteCount + mes_proc_header_buffer_size() < pEsMsg->ByteCount)
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RpcRaiseException(RPC_S_INVALID_BOUND);
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}
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/***********************************************************************
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* NdrMesProcEncodeDecode [RPCRT4.@]
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*/
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void WINAPIV NdrMesProcEncodeDecode(handle_t Handle, const MIDL_STUB_DESC * pStubDesc, PFORMAT_STRING pFormat, ...)
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{
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/* pointer to start of stack where arguments start */
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RPC_MESSAGE rpcMsg;
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MIDL_ES_MESSAGE *pEsMsg = Handle;
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/* size of stack */
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unsigned short stack_size;
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/* header for procedure string */
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const NDR_PROC_HEADER *pProcHeader = (const NDR_PROC_HEADER *)&pFormat[0];
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const RPC_CLIENT_INTERFACE *client_interface;
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__ms_va_list args;
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unsigned int number_of_params;
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ULONG_PTR arg_buffer[256];
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TRACE("Handle %p, pStubDesc %p, pFormat %p, ...\n", Handle, pStubDesc, pFormat);
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/* Later NDR language versions probably won't be backwards compatible */
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if (pStubDesc->Version > 0x50002)
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{
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FIXME("Incompatible stub description version: 0x%x\n", pStubDesc->Version);
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RpcRaiseException(RPC_X_WRONG_STUB_VERSION);
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}
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client_interface = pStubDesc->RpcInterfaceInformation;
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pEsMsg->InterfaceId = client_interface->InterfaceId;
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if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
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{
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const NDR_PROC_HEADER_RPC *header_rpc = (const NDR_PROC_HEADER_RPC *)&pFormat[0];
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stack_size = header_rpc->stack_size;
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pEsMsg->ProcNumber = header_rpc->proc_num;
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pFormat += sizeof(NDR_PROC_HEADER_RPC);
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}
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else
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{
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stack_size = pProcHeader->stack_size;
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pEsMsg->ProcNumber = pProcHeader->proc_num;
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pFormat += sizeof(NDR_PROC_HEADER);
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}
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if (pProcHeader->handle_type == RPC_FC_BIND_EXPLICIT)
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{
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switch (*pFormat) /* handle_type */
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{
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case RPC_FC_BIND_PRIMITIVE: /* explicit primitive */
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pFormat += sizeof(NDR_EHD_PRIMITIVE);
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break;
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case RPC_FC_BIND_GENERIC: /* explicit generic */
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pFormat += sizeof(NDR_EHD_GENERIC);
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break;
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case RPC_FC_BIND_CONTEXT: /* explicit context */
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pFormat += sizeof(NDR_EHD_CONTEXT);
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break;
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default:
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ERR("bad explicit binding handle type (0x%02x)\n", pProcHeader->handle_type);
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RpcRaiseException(RPC_X_BAD_STUB_DATA);
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}
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}
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TRACE("stack size: 0x%x\n", stack_size);
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TRACE("proc num: %d\n", pEsMsg->ProcNumber);
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memset(&rpcMsg, 0, sizeof(rpcMsg));
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pEsMsg->StubMsg.RpcMsg = &rpcMsg;
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pEsMsg->StubMsg.StubDesc = pStubDesc;
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pEsMsg->StubMsg.pfnAllocate = pStubDesc->pfnAllocate;
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pEsMsg->StubMsg.pfnFree = pStubDesc->pfnFree;
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/* create the full pointer translation tables, if requested */
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if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
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pEsMsg->StubMsg.FullPtrXlatTables = NdrFullPointerXlatInit(0,XLAT_CLIENT);
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TRACE("Oi_flags = 0x%02x\n", pProcHeader->Oi_flags);
|
|
TRACE("stubdesc version = 0x%x\n", pStubDesc->Version);
|
|
TRACE("MIDL stub version = 0x%x\n", pStubDesc->MIDLVersion);
|
|
|
|
/* needed for conformance of top-level objects */
|
|
__ms_va_start( args, pFormat );
|
|
pEsMsg->StubMsg.StackTop = va_arg( args, unsigned char * );
|
|
__ms_va_end( args );
|
|
|
|
pFormat = convert_old_args( &pEsMsg->StubMsg, pFormat, stack_size, FALSE,
|
|
arg_buffer, sizeof(arg_buffer), &number_of_params );
|
|
|
|
switch (pEsMsg->Operation)
|
|
{
|
|
case MES_ENCODE:
|
|
pEsMsg->StubMsg.BufferLength = mes_proc_header_buffer_size();
|
|
|
|
client_do_args( &pEsMsg->StubMsg, pFormat, STUBLESS_CALCSIZE, NULL, number_of_params, NULL );
|
|
|
|
pEsMsg->ByteCount = pEsMsg->StubMsg.BufferLength - mes_proc_header_buffer_size();
|
|
es_data_alloc(pEsMsg, pEsMsg->StubMsg.BufferLength);
|
|
|
|
mes_proc_header_marshal(pEsMsg);
|
|
|
|
client_do_args( &pEsMsg->StubMsg, pFormat, STUBLESS_MARSHAL, NULL, number_of_params, NULL );
|
|
|
|
es_data_write(pEsMsg, pEsMsg->ByteCount);
|
|
break;
|
|
case MES_DECODE:
|
|
mes_proc_header_unmarshal(pEsMsg);
|
|
|
|
es_data_read(pEsMsg, pEsMsg->ByteCount);
|
|
|
|
client_do_args( &pEsMsg->StubMsg, pFormat, STUBLESS_UNMARSHAL, NULL, number_of_params, NULL );
|
|
break;
|
|
default:
|
|
RpcRaiseException(RPC_S_INTERNAL_ERROR);
|
|
return;
|
|
}
|
|
/* free the full pointer translation tables */
|
|
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
|
|
NdrFullPointerXlatFree(pEsMsg->StubMsg.FullPtrXlatTables);
|
|
}
|
|
|
|
void RPC_ENTRY NdrMesTypeDecode2(handle_t Handle, const MIDL_TYPE_PICKLING_INFO *pPicklingInfo,
|
|
const MIDL_STUB_DESC *pStubDesc, PFORMAT_STRING pFormatString, void *pObject)
|
|
{
|
|
FIXME("(%p, %p, %p, %p, %p)\n", Handle, pPicklingInfo, pStubDesc, pFormatString, pObject);
|
|
}
|
|
|
|
void RPC_ENTRY NdrMesTypeEncode2(handle_t Handle, const MIDL_TYPE_PICKLING_INFO *pPicklingInfo,
|
|
const MIDL_STUB_DESC *pStubDesc, PFORMAT_STRING pFormatString, const void *pObject)
|
|
{
|
|
FIXME("(%p, %p, %p, %p, %p)\n", Handle, pPicklingInfo, pStubDesc, pFormatString, pObject);
|
|
}
|
|
|
|
void RPC_ENTRY NdrMesTypeFree2(handle_t Handle, const MIDL_TYPE_PICKLING_INFO *pPicklingInfo,
|
|
const MIDL_STUB_DESC *pStubDesc, PFORMAT_STRING pFormatString, void *pObject)
|
|
{
|
|
FIXME("(%p, %p, %p, %p, %p)\n", Handle, pPicklingInfo, pStubDesc, pFormatString, pObject);
|
|
}
|