Leaked source code of windows server 2003
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//+-------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1994.
//
// File: transmit.h
//
// Contents: Function prototypes for STGMEDIUM marshalling.
//
// Functions: STGMEDIUM_to_xmit
// STGMEDIUM_from_xmit
// STGMEDIUM_free_inst
//
// History: May-10-94 ShannonC Created
// History: May-10-95 Ryszardk wire_marshal changes
//
//--------------------------------------------------------------------------
#pragma once
#ifndef __TRANSMIT_H__
#define __TRANSMIT_H__
#include <debnot.h>
#if (DBG==1)
DECLARE_DEBUG(UserNdr)
//
#define UserNdrDebugOut(x) UserNdrInlineDebugOut x
#define UserNdrAssert(x) Win4Assert(x)
#define UserNdrVerify(x) Win4Assert(x)
//#define UNDR_FORCE DEB_FORCE
#define UNDR_FORCE 0
#define UNDR_OUT1 0
#define UNDR_OUT4 0
EXTERN_C char *
WdtpGetStgmedName( STGMEDIUM * );
#else
#define UserNdrDebugOut(x)
#define UserNdrAssert(x)
#define UserNdrVerify(x)
#define UNDR_FORCE 0
#define UNDR_OUT1 0
#define UNDR_OUT4 0
#endif
// Shortcut typedefs.
typedef unsigned char uchar;
typedef unsigned short ushort;
typedef unsigned long ulong;
typedef unsigned int uint;
#ifndef TRUE
#define TRUE (1)
#define FALSE (0)
typedef unsigned short BOOL;
#endif
//
// Alignment and access macros.
//
#define ALIGN( pStuff, cAlign ) \
pStuff = (unsigned char *)((ULONG_PTR)((pStuff) + (cAlign)) & ~ (cAlign))
#define LENGTH_ALIGN( Length, cAlign ) \
Length = (((Length) + (cAlign)) & ~ (cAlign))
#define PCHAR_LV_CAST *(char __RPC_FAR * __RPC_FAR *)&
#define PSHORT_LV_CAST *(short __RPC_FAR * __RPC_FAR *)&
#define PLONG_LV_CAST *(long __RPC_FAR * __RPC_FAR *)&
#define PHYPER_LV_CAST *(hyper __RPC_FAR * __RPC_FAR *)&
#define PUSHORT_LV_CAST *(unsigned short __RPC_FAR * __RPC_FAR *)&
#define PULONG_LV_CAST *(unsigned long __RPC_FAR * __RPC_FAR *)&
// Just a pointer sized random thing we can identify in the stream.
// For error checking purposes only.
#define USER_MARSHAL_MARKER 0x72657355
//
// These are based on flags defined in wtypes.idl comming from the channel.
// They indicate where we are marshalling.
//
#define INPROC_CALL( Flags) (USER_CALL_CTXT_MASK(Flags) == MSHCTX_INPROC)
#define REMOTE_CALL( Flags) ((USER_CALL_CTXT_MASK(Flags) == MSHCTX_DIFFERENTMACHINE) \
|| (USER_CALL_CTXT_MASK(Flags) == MSHCTX_NOSHAREDMEM))
#define DIFFERENT_MACHINE_CALL( Flags) \
(USER_CALL_CTXT_MASK(Flags) == MSHCTX_DIFFERENTMACHINE)
// There is a difference in the scope of handles, Daytona vs. Chicago.
// The following is an illustration of the notions of
// HGLOBAL handle vs. data passing and GDI handle vs. data passing.
// The type of an rpc call is defined by the flags above.
//
// This is included only for historical interest, as this code no longer
// has anything to do with chicago, win9x, or any of that goo.
//
// Daytona rules: GDI same as HGLOBAL
//I------------I----------------I-----------------------------------I
//I inproc I same machine I diff. machine (a.k.a "remote" ) I
//I------------I----------------------------------------------------I
//| HGLOBL h.p.| HGLOBAL data passing |
//|------------|----------------------------------------------------|
//| GDI h.p. | GDI data passing |
//|------------|----------------------------------------------------|
//
// Chicago rules: HGLOBAL stricter than GDI.
//I------------I----------------I-----------------------------------I
//I inproc I same machine I diff. machine (a.k.a "remote" ) I
//I------------I----------------------------------------------------I
//| HGLOBL h.p.| HGLOBAL data passing |
//|-----------------------------------------------------------------|
//| GDI handle passing | GDI data passing |
//|-----------------------------|-----------------------------------|
#define HGLOBAL_HANDLE_PASSING( Flags ) INPROC_CALL( Flags)
#define HGLOBAL_DATA_PASSING( Flags ) (!INPROC_CALL( Flags))
#define GDI_HANDLE_PASSING( Flags ) HGLOBAL_HANDLE_PASSING( Flags )
#define GDI_DATA_PASSING( Flags ) HGLOBAL_DATA_PASSING( Flags )
#define WDT_DATA_MARKER WDT_REMOTE_CALL
#define WDT_HANDLE_MARKER WDT_INPROC_CALL
#define WDT_HANDLE64_MARKER WDT_INPROC64_CALL
#define IS_DATA_MARKER( dw ) (WDT_REMOTE_CALL == dw)
#define IS_HANDLE_MARKER( dw ) (WDT_INPROC_CALL == dw)
#define IS_HANDLE64_MARKER( dw ) (WDT_INPROC64_CALL == dw)
//
// CLIPFORMAT remoting
//
#define CLIPFORMAT_BUFFER_MAX 248
#define NON_STANDARD_CLIPFORMAT(pcf)((0xC000<= *pcf) && (*pcf <=0xFFFF))
#define REMOTE_CLIPFORMAT(pFlags) ((USER_CALL_CTXT_MASK(*pFlags) == MSHCTX_DIFFERENTMACHINE) )
//
// Useful memory macros, for consistency.
//
#define WdtpMemoryCopy(Destination, Source, Length) \
RtlCopyMemory(Destination, Source, Length)
#define WdtpZeroMemory(Destination, Length) \
RtlZeroMemory(Destination, Length)
#define WdtpAllocate(p,size) \
((USER_MARSHAL_CB *)p)->pStubMsg->pfnAllocate( size )
#define WdtpFree(pf,ptr) \
((USER_MARSHAL_CB *)pf)->pStubMsg->pfnFree( ptr )
//
// Used in call_as.c
//
EXTERN_C
void NukeHandleAndReleasePunk(
STGMEDIUM * pStgmed );
//
// Useful checking/exception routines.
//
#if DBG==1
#define RAISE_RPC_EXCEPTION( e ) \
{ \
Win4Assert( !"Wire marshaling problem!" ); \
RpcRaiseException( (e) ); \
}
#else
#define RAISE_RPC_EXCEPTION( e ) \
{ \
RpcRaiseException( (e) ); \
}
#endif
#define CHECK_BUFFER_SIZE( b, s ) \
if ( (b) < (s) ) \
{ \
RAISE_RPC_EXCEPTION( RPC_X_BAD_STUB_DATA ); \
}
#endif // __TRANSMIT_H__