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172 lines
4.7 KiB
172 lines
4.7 KiB
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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Copyright (c) 1998 - 2000 Microsoft Corporation
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Module Name :
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relmrl.c
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Abstract :
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This file contains release of Marshaled Data (called before unmarshal).
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Author :
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Yong Qu ([email protected]) Nov 1998
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Revision History :
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---------------------------------------------------------------------*/
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#include "precomp.hxx"
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#define USE_STUBLESS_PROXY
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#define CINTERFACE
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#include "ndrole.h"
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#include "rpcproxy.h"
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#include "hndl.h"
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#include "interp2.h"
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#include "pipendr.h"
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#include "expr.h"
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#include <stddef.h>
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#include <stdarg.h>
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/* client side: we only care about the [in] part.
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it's basically like unmarshal on the server side, just that
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we immediately free the buffer (virtual stack) after unmarshalling.
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The call it not necessary always OLE call: one side raw RPC and
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the other side OLE call is possible: do we support this?
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mostly code from NdrStubCall2, remove irrelavant code.
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*/
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#define IN_BUFFER 0
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#define OUT_BUFFER 1
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#define IsSameDir(dwFlags,paramflag) ((dwFlags == IN_BUFFER)? paramflag->IsIn :paramflag->IsOut)
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HRESULT Ndr64pReleaseMarshalBuffer(
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RPC_MESSAGE * pRpcMsg,
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PMIDL_SYNTAX_INFO pSyntaxInfo,
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unsigned long ProcNum,
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PMIDL_STUB_DESC pStubDesc,
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DWORD dwFlags,
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BOOLEAN fServer )
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{
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ushort StackSize;
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MIDL_STUB_MESSAGE StubMsg;
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NDR64_PARAM_FORMAT * Params;
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long NumberParams;
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long n;
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HRESULT hr = S_OK;
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uchar * pBuffer;
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PFORMAT_STRING pFormatTypes;
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long FormatOffset;
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PFORMAT_STRING pFormat;
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NDR_PROC_CONTEXT ProcContext;
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NDR64_PROC_FLAGS * pNdr64Flags;
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NDR64_PROC_FORMAT * pHeader = NULL;
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NDR64_PARAM_FLAGS * pParamFlags;
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NDR_ASSERT( ! ((ULONG_PTR)pRpcMsg->Buffer & 0x7),
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"marshaling buffer misaligned at server" );
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pFormat = NdrpGetProcString( pSyntaxInfo,
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XFER_SYNTAX_NDR64,
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ProcNum );
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Ndr64ServerInitialize(pRpcMsg,&StubMsg,pStubDesc);
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StubMsg.fHasExtensions = 1;
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StubMsg.fHasNewCorrDesc = 1;
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pFormatTypes = pSyntaxInfo->TypeString;
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pHeader = (NDR64_PROC_FORMAT *) pFormat;
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pNdr64Flags = (NDR64_PROC_FLAGS *) & (pHeader->Flags );
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NumberParams = pHeader->NumberOfParams;
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if ( pNdr64Flags->UsesFullPtrPackage )
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StubMsg.FullPtrXlatTables = NdrFullPointerXlatInit( 0, XLAT_SERVER );
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Params = (NDR64_PARAM_FORMAT *)( (char *) pFormat + sizeof( NDR64_PROC_FORMAT ) + pHeader->ExtensionSize );
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// Save the original buffer pointer to restore later.
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pBuffer = StubMsg.Buffer;
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// Get the type format string.
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RpcTryFinally
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{
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RpcTryExcept
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{
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//
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// Check if we need to do any walking .
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//
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NDR64_SET_WALKIP(StubMsg.uFlags);
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for ( n = 0; n < NumberParams; n++ )
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{
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pParamFlags = ( NDR64_PARAM_FLAGS * ) & ( Params[n].Attributes );
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if ( ( dwFlags == IN_BUFFER ) &&
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( pParamFlags->IsPartialIgnore ) )
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{
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PMIDL_STUB_MESSAGE pStubMsg = &StubMsg;
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// Skip the boolean pointer in the buffer
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ALIGN( StubMsg.Buffer, NDR64_PTR_WIRE_ALIGN );
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StubMsg.Buffer += sizeof(NDR64_PTR_WIRE_TYPE);
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CHECK_EOB_RAISE_BSD( StubMsg.Buffer );
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continue;
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}
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if ( ! IsSameDir(dwFlags,pParamFlags) )
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continue;
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if ( pParamFlags->IsBasetype )
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{
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NDR64_FORMAT_CHAR type = *(PFORMAT_STRING)Params[n].Type;
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ALIGN( StubMsg.Buffer, NDR64_SIMPLE_TYPE_BUFALIGN( type ) );
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StubMsg.Buffer += NDR64_SIMPLE_TYPE_BUFSIZE( type );
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}
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else
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{
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//
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// Complex type or pointer to complex type.
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//
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Ndr64TopLevelTypeMemorySize( &StubMsg,
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Params[n].Type );
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}
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}
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}
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RpcExcept( EXCEPTION_EXECUTE_HANDLER )
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{
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hr = HRESULT_FROM_WIN32(RpcExceptionCode());
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}
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RpcEndExcept
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}
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RpcFinally
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{
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NdrFullPointerXlatFree( StubMsg.FullPtrXlatTables );
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StubMsg.Buffer = pBuffer;
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}
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RpcEndFinally
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return hr;
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}
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