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283 lines
10 KiB
C
283 lines
10 KiB
C
/*
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* MIDL proxy/stub stuff
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*
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* Copyright 2002 Ove Kåven, TransGaming Technologies
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* TODO:
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* - figure out whether we *really* got this right
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* - check for errors and throw exceptions
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "winreg.h"
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#include "objbase.h"
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#include "rpcproxy.h"
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#include "wine/debug.h"
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#include "cpsf.h"
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#include "ndr_misc.h"
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#include "rpcndr.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ole);
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/***********************************************************************
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* NdrProxyInitialize [RPCRT4.@]
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*/
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void WINAPI NdrProxyInitialize(void *This,
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PRPC_MESSAGE pRpcMsg,
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PMIDL_STUB_MESSAGE pStubMsg,
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PMIDL_STUB_DESC pStubDescriptor,
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unsigned int ProcNum)
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{
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HRESULT hr;
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TRACE("(%p,%p,%p,%p,%d)\n", This, pRpcMsg, pStubMsg, pStubDescriptor, ProcNum);
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NdrClientInitializeNew(pRpcMsg, pStubMsg, pStubDescriptor, ProcNum);
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if (This) StdProxy_GetChannel(This, &pStubMsg->pRpcChannelBuffer);
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if (pStubMsg->pRpcChannelBuffer) {
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hr = IRpcChannelBuffer_GetDestCtx(pStubMsg->pRpcChannelBuffer,
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&pStubMsg->dwDestContext,
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&pStubMsg->pvDestContext);
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}
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TRACE("channel=%p\n", pStubMsg->pRpcChannelBuffer);
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}
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/***********************************************************************
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* NdrProxyGetBuffer [RPCRT4.@]
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*/
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void WINAPI NdrProxyGetBuffer(void *This,
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PMIDL_STUB_MESSAGE pStubMsg)
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{
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HRESULT hr;
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const IID *riid = NULL;
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TRACE("(%p,%p)\n", This, pStubMsg);
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pStubMsg->RpcMsg->BufferLength = pStubMsg->BufferLength;
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pStubMsg->dwStubPhase = PROXY_GETBUFFER;
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hr = StdProxy_GetIID(This, &riid);
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hr = IRpcChannelBuffer_GetBuffer(pStubMsg->pRpcChannelBuffer,
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(RPCOLEMESSAGE*)pStubMsg->RpcMsg,
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riid);
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pStubMsg->BufferStart = pStubMsg->RpcMsg->Buffer;
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pStubMsg->BufferEnd = pStubMsg->BufferStart + pStubMsg->BufferLength;
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pStubMsg->Buffer = pStubMsg->BufferStart;
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pStubMsg->dwStubPhase = PROXY_MARSHAL;
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}
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/***********************************************************************
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* NdrProxySendReceive [RPCRT4.@]
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*/
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void WINAPI NdrProxySendReceive(void *This,
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PMIDL_STUB_MESSAGE pStubMsg)
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{
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ULONG Status = 0;
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HRESULT hr;
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TRACE("(%p,%p)\n", This, pStubMsg);
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pStubMsg->dwStubPhase = PROXY_SENDRECEIVE;
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hr = IRpcChannelBuffer_SendReceive(pStubMsg->pRpcChannelBuffer,
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(RPCOLEMESSAGE*)pStubMsg->RpcMsg,
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&Status);
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pStubMsg->dwStubPhase = PROXY_UNMARSHAL;
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pStubMsg->BufferLength = pStubMsg->RpcMsg->BufferLength;
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pStubMsg->BufferStart = pStubMsg->RpcMsg->Buffer;
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pStubMsg->BufferEnd = pStubMsg->BufferStart + pStubMsg->BufferLength;
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pStubMsg->Buffer = pStubMsg->BufferStart;
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/* raise exception if call failed */
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if (hr == RPC_S_CALL_FAILED) RpcRaiseException(*(DWORD*)pStubMsg->Buffer);
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else if (FAILED(hr)) RpcRaiseException(hr);
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}
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/***********************************************************************
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* NdrProxyFreeBuffer [RPCRT4.@]
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*/
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void WINAPI NdrProxyFreeBuffer(void *This,
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PMIDL_STUB_MESSAGE pStubMsg)
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{
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HRESULT hr;
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TRACE("(%p,%p)\n", This, pStubMsg);
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hr = IRpcChannelBuffer_FreeBuffer(pStubMsg->pRpcChannelBuffer,
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(RPCOLEMESSAGE*)pStubMsg->RpcMsg);
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}
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/***********************************************************************
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* NdrProxyErrorHandler [RPCRT4.@]
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*/
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HRESULT WINAPI NdrProxyErrorHandler(DWORD dwExceptionCode)
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{
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FIXME("(0x%08lx): semi-stub\n", dwExceptionCode);
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return MAKE_HRESULT(SEVERITY_ERROR, FACILITY_RPC, RPC_S_CALL_FAILED);
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}
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/***********************************************************************
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* NdrStubInitialize [RPCRT4.@]
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*/
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void WINAPI NdrStubInitialize(PRPC_MESSAGE pRpcMsg,
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PMIDL_STUB_MESSAGE pStubMsg,
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PMIDL_STUB_DESC pStubDescriptor,
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LPRPCCHANNELBUFFER pRpcChannelBuffer)
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{
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TRACE("(%p,%p,%p,%p)\n", pRpcMsg, pStubMsg, pStubDescriptor, pRpcChannelBuffer);
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NdrServerInitializeNew(pRpcMsg, pStubMsg, pStubDescriptor);
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pStubMsg->pRpcChannelBuffer = pRpcChannelBuffer;
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}
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/***********************************************************************
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* NdrStubGetBuffer [RPCRT4.@]
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*/
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void WINAPI NdrStubGetBuffer(LPRPCSTUBBUFFER This,
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LPRPCCHANNELBUFFER pRpcChannelBuffer,
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PMIDL_STUB_MESSAGE pStubMsg)
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{
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TRACE("(%p,%p)\n", This, pStubMsg);
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pStubMsg->pRpcChannelBuffer = pRpcChannelBuffer;
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pStubMsg->RpcMsg->BufferLength = pStubMsg->BufferLength;
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I_RpcGetBuffer(pStubMsg->RpcMsg); /* ? */
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pStubMsg->BufferStart = pStubMsg->RpcMsg->Buffer;
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pStubMsg->BufferEnd = pStubMsg->BufferStart + pStubMsg->BufferLength;
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pStubMsg->Buffer = pStubMsg->BufferStart;
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}
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/************************************************************************
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* NdrClientInitializeNew [RPCRT4.@]
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*/
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void WINAPI NdrClientInitializeNew( PRPC_MESSAGE pRpcMessage, PMIDL_STUB_MESSAGE pStubMsg,
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PMIDL_STUB_DESC pStubDesc, unsigned int ProcNum )
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{
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TRACE("(pRpcMessage == ^%p, pStubMsg == ^%p, pStubDesc == ^%p, ProcNum == %d)\n",
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pRpcMessage, pStubMsg, pStubDesc, ProcNum);
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assert( pRpcMessage && pStubMsg && pStubDesc );
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memset(pRpcMessage, 0, sizeof(RPC_MESSAGE));
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/* not everyone allocates stack space for w2kReserved */
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memset(pStubMsg, 0, sizeof(*pStubMsg) - sizeof(pStubMsg->w2kReserved));
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pStubMsg->ReuseBuffer = FALSE;
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pStubMsg->IsClient = TRUE;
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pStubMsg->StubDesc = pStubDesc;
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pStubMsg->pfnAllocate = pStubDesc->pfnAllocate;
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pStubMsg->pfnFree = pStubDesc->pfnFree;
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pStubMsg->RpcMsg = pRpcMessage;
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pRpcMessage->ProcNum = ProcNum;
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pRpcMessage->RpcInterfaceInformation = pStubDesc->RpcInterfaceInformation;
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}
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/***********************************************************************
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* NdrServerInitializeNew [RPCRT4.@]
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*/
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unsigned char* WINAPI NdrServerInitializeNew( PRPC_MESSAGE pRpcMsg, PMIDL_STUB_MESSAGE pStubMsg,
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PMIDL_STUB_DESC pStubDesc )
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{
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TRACE("(pRpcMsg == ^%p, pStubMsg == ^%p, pStubDesc == ^%p)\n", pRpcMsg, pStubMsg, pStubDesc);
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assert( pRpcMsg && pStubMsg && pStubDesc );
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/* not everyone allocates stack space for w2kReserved */
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memset(pStubMsg, 0, sizeof(*pStubMsg) - sizeof(pStubMsg->w2kReserved));
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pStubMsg->ReuseBuffer = TRUE;
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pStubMsg->IsClient = FALSE;
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pStubMsg->StubDesc = pStubDesc;
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pStubMsg->pfnAllocate = pStubDesc->pfnAllocate;
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pStubMsg->pfnFree = pStubDesc->pfnFree;
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pStubMsg->RpcMsg = pRpcMsg;
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pStubMsg->Buffer = pStubMsg->BufferStart = pRpcMsg->Buffer;
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pStubMsg->BufferLength = pRpcMsg->BufferLength;
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pStubMsg->BufferEnd = pStubMsg->Buffer + pStubMsg->BufferLength;
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/* FIXME: determine the proper return value */
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return NULL;
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}
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/***********************************************************************
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* NdrGetBuffer [RPCRT4.@]
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*/
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unsigned char *WINAPI NdrGetBuffer(MIDL_STUB_MESSAGE *stubmsg, unsigned long buflen, RPC_BINDING_HANDLE handle)
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{
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TRACE("(stubmsg == ^%p, buflen == %lu, handle == %p): wild guess.\n", stubmsg, buflen, handle);
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assert( stubmsg && stubmsg->RpcMsg );
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/* I guess this is our chance to put the binding handle into the RPC_MESSAGE */
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stubmsg->RpcMsg->Handle = handle;
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stubmsg->RpcMsg->BufferLength = buflen;
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if (I_RpcGetBuffer(stubmsg->RpcMsg) != S_OK)
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return NULL;
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stubmsg->Buffer = stubmsg->BufferStart = stubmsg->RpcMsg->Buffer;
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stubmsg->BufferLength = stubmsg->RpcMsg->BufferLength;
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stubmsg->BufferEnd = stubmsg->Buffer + stubmsg->BufferLength;
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return (stubmsg->Buffer = (unsigned char *)stubmsg->RpcMsg->Buffer);
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}
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/***********************************************************************
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* NdrFreeBuffer [RPCRT4.@]
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*/
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void WINAPI NdrFreeBuffer(MIDL_STUB_MESSAGE *pStubMsg)
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{
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TRACE("(pStubMsg == ^%p): wild guess.\n", pStubMsg);
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I_RpcFreeBuffer(pStubMsg->RpcMsg);
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pStubMsg->BufferLength = 0;
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pStubMsg->Buffer = pStubMsg->BufferEnd = (unsigned char *)(pStubMsg->RpcMsg->Buffer = NULL);
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}
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/************************************************************************
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* NdrSendReceive [RPCRT4.@]
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*/
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unsigned char *WINAPI NdrSendReceive( MIDL_STUB_MESSAGE *stubmsg, unsigned char *buffer )
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{
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TRACE("(stubmsg == ^%p, buffer == ^%p)\n", stubmsg, buffer);
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/* FIXME: how to handle errors? (raise exception?) */
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if (!stubmsg) {
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ERR("NULL stub message. No action taken.\n");
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return NULL;
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}
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if (!stubmsg->RpcMsg) {
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ERR("RPC Message not present in stub message. No action taken.\n");
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return NULL;
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}
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if (stubmsg->RpcMsg->Buffer != buffer) {
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ERR("Ambiguous buffer doesn't match rpc message buffer. No action taken.\n");
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return NULL;
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}
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/* not sure where MS does this; for now I'll stick it here */
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stubmsg->RpcMsg->DataRepresentation = NDR_LOCAL_DATA_REPRESENTATION;
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if (I_RpcSendReceive(stubmsg->RpcMsg) != RPC_S_OK) {
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WARN("I_RpcSendReceive did not return success.\n");
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}
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/* FIXME: is this the right return value? */
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return NULL;
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}
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