Sweden-Number/dlls/rpcrt4/ndr_stubless.c

1870 lines
68 KiB
C

/*
* NDR -Oi,-Oif,-Oicf Interpreter
*
* Copyright 2001 Ove Kåven, TransGaming Technologies
* Copyright 2003-5 Robert Shearman (for CodeWeavers)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* TODO:
* - Pipes
* - Some types of binding handles
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "objbase.h"
#include "rpc.h"
#include "rpcproxy.h"
#include "wine/exception.h"
#include "wine/debug.h"
#include "wine/rpcfc.h"
#include "cpsf.h"
#include "ndr_misc.h"
#include "ndr_stubless.h"
WINE_DEFAULT_DEBUG_CHANNEL(rpc);
#define NDR_TABLE_MASK 127
static inline void call_buffer_sizer(PMIDL_STUB_MESSAGE pStubMsg, unsigned char *pMemory, PFORMAT_STRING pFormat)
{
NDR_BUFFERSIZE m = NdrBufferSizer[pFormat[0] & NDR_TABLE_MASK];
if (m) m(pStubMsg, pMemory, pFormat);
else
{
FIXME("format type 0x%x not implemented\n", pFormat[0]);
RpcRaiseException(RPC_X_BAD_STUB_DATA);
}
}
static inline unsigned char *call_marshaller(PMIDL_STUB_MESSAGE pStubMsg, unsigned char *pMemory, PFORMAT_STRING pFormat)
{
NDR_MARSHALL m = NdrMarshaller[pFormat[0] & NDR_TABLE_MASK];
if (m) return m(pStubMsg, pMemory, pFormat);
else
{
FIXME("format type 0x%x not implemented\n", pFormat[0]);
RpcRaiseException(RPC_X_BAD_STUB_DATA);
return NULL;
}
}
static inline unsigned char *call_unmarshaller(PMIDL_STUB_MESSAGE pStubMsg, unsigned char **ppMemory, PFORMAT_STRING pFormat, unsigned char fMustAlloc)
{
NDR_UNMARSHALL m = NdrUnmarshaller[pFormat[0] & NDR_TABLE_MASK];
if (m) return m(pStubMsg, ppMemory, pFormat, fMustAlloc);
else
{
FIXME("format type 0x%x not implemented\n", pFormat[0]);
RpcRaiseException(RPC_X_BAD_STUB_DATA);
return NULL;
}
}
static inline void call_freer(PMIDL_STUB_MESSAGE pStubMsg, unsigned char *pMemory, PFORMAT_STRING pFormat)
{
NDR_FREE m = NdrFreer[pFormat[0] & NDR_TABLE_MASK];
if (m) m(pStubMsg, pMemory, pFormat);
}
#define STUBLESS_UNMARSHAL 1
#define STUBLESS_INITOUT 2
#define STUBLESS_CALLSERVER 3
#define STUBLESS_CALCSIZE 4
#define STUBLESS_GETBUFFER 5
#define STUBLESS_MARSHAL 6
#define STUBLESS_FREE 7
void WINAPI NdrRpcSmSetClientToOsf(PMIDL_STUB_MESSAGE pMessage)
{
#if 0 /* these functions are not defined yet */
pMessage->pfnAllocate = NdrRpcSmClientAllocate;
pMessage->pfnFree = NdrRpcSmClientFree;
#endif
}
static void dump_RPC_FC_PROC_PF(PARAM_ATTRIBUTES param_attributes)
{
if (param_attributes.MustSize) TRACE(" MustSize");
if (param_attributes.MustFree) TRACE(" MustFree");
if (param_attributes.IsPipe) TRACE(" IsPipe");
if (param_attributes.IsIn) TRACE(" IsIn");
if (param_attributes.IsOut) TRACE(" IsOut");
if (param_attributes.IsReturn) TRACE(" IsReturn");
if (param_attributes.IsBasetype) TRACE(" IsBasetype");
if (param_attributes.IsByValue) TRACE(" IsByValue");
if (param_attributes.IsSimpleRef) TRACE(" IsSimpleRef");
if (param_attributes.IsDontCallFreeInst) TRACE(" IsDontCallFreeInst");
if (param_attributes.SaveForAsyncFinish) TRACE(" SaveForAsyncFinish");
if (param_attributes.ServerAllocSize) TRACE(" ServerAllocSize = %d", param_attributes.ServerAllocSize * 8);
}
static void dump_INTERPRETER_OPT_FLAGS(INTERPRETER_OPT_FLAGS Oi2Flags)
{
if (Oi2Flags.ServerMustSize) TRACE(" ServerMustSize");
if (Oi2Flags.ClientMustSize) TRACE(" ClientMustSize");
if (Oi2Flags.HasReturn) TRACE(" HasReturn");
if (Oi2Flags.HasPipes) TRACE(" HasPipes");
if (Oi2Flags.Unused) TRACE(" Unused");
if (Oi2Flags.HasAsyncUuid) TRACE(" HasAsyncUuid");
if (Oi2Flags.HasExtensions) TRACE(" HasExtensions");
if (Oi2Flags.HasAsyncHandle) TRACE(" HasAsyncHandle");
TRACE("\n");
}
#define ARG_FROM_OFFSET(args, offset) ((args) + (offset))
static PFORMAT_STRING client_get_handle(
PMIDL_STUB_MESSAGE pStubMsg, const NDR_PROC_HEADER *pProcHeader,
PFORMAT_STRING pFormat, handle_t *phBinding)
{
/* binding */
switch (pProcHeader->handle_type)
{
/* explicit binding: parse additional section */
case RPC_FC_BIND_EXPLICIT:
switch (*pFormat) /* handle_type */
{
case RPC_FC_BIND_PRIMITIVE: /* explicit primitive */
{
const NDR_EHD_PRIMITIVE *pDesc = (const NDR_EHD_PRIMITIVE *)pFormat;
TRACE("Explicit primitive handle @ %d\n", pDesc->offset);
if (pDesc->flag) /* pointer to binding */
*phBinding = **(handle_t **)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
else
*phBinding = *(handle_t *)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
return pFormat + sizeof(NDR_EHD_PRIMITIVE);
}
case RPC_FC_BIND_GENERIC: /* explicit generic */
{
const NDR_EHD_GENERIC *pDesc = (const NDR_EHD_GENERIC *)pFormat;
void *pObject = NULL;
void *pArg;
const GENERIC_BINDING_ROUTINE_PAIR *pGenPair;
TRACE("Explicit generic binding handle #%d\n", pDesc->binding_routine_pair_index);
if (pDesc->flag_and_size & HANDLE_PARAM_IS_VIA_PTR)
pArg = *(void **)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
else
pArg = ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
memcpy(&pObject, pArg, pDesc->flag_and_size & 0xf);
pGenPair = &pStubMsg->StubDesc->aGenericBindingRoutinePairs[pDesc->binding_routine_pair_index];
*phBinding = pGenPair->pfnBind(pObject);
return pFormat + sizeof(NDR_EHD_GENERIC);
}
case RPC_FC_BIND_CONTEXT: /* explicit context */
{
const NDR_EHD_CONTEXT *pDesc = (const NDR_EHD_CONTEXT *)pFormat;
NDR_CCONTEXT context_handle;
TRACE("Explicit bind context\n");
if (pDesc->flags & HANDLE_PARAM_IS_VIA_PTR)
{
TRACE("\tHANDLE_PARAM_IS_VIA_PTR\n");
context_handle = **(NDR_CCONTEXT **)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
}
else
context_handle = *(NDR_CCONTEXT *)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
if ((pDesc->flags & NDR_CONTEXT_HANDLE_CANNOT_BE_NULL) &&
!context_handle)
{
ERR("null context handle isn't allowed\n");
RpcRaiseException(RPC_X_SS_IN_NULL_CONTEXT);
return NULL;
}
*phBinding = NDRCContextBinding(context_handle);
/* FIXME: should we store this structure in stubMsg.pContext? */
return pFormat + sizeof(NDR_EHD_CONTEXT);
}
default:
ERR("bad explicit binding handle type (0x%02x)\n", pProcHeader->handle_type);
RpcRaiseException(RPC_X_BAD_STUB_DATA);
}
break;
case RPC_FC_BIND_GENERIC: /* implicit generic */
FIXME("RPC_FC_BIND_GENERIC\n");
RpcRaiseException(RPC_X_BAD_STUB_DATA); /* FIXME: remove when implemented */
break;
case RPC_FC_BIND_PRIMITIVE: /* implicit primitive */
TRACE("Implicit primitive handle\n");
*phBinding = *pStubMsg->StubDesc->IMPLICIT_HANDLE_INFO.pPrimitiveHandle;
break;
case RPC_FC_CALLBACK_HANDLE: /* implicit callback */
FIXME("RPC_FC_CALLBACK_HANDLE\n");
break;
case RPC_FC_AUTO_HANDLE: /* implicit auto handle */
/* strictly speaking, it isn't necessary to set hBinding here
* since it isn't actually used (hence the automatic in its name),
* but then why does MIDL generate a valid entry in the
* MIDL_STUB_DESC for it? */
TRACE("Implicit auto handle\n");
*phBinding = *pStubMsg->StubDesc->IMPLICIT_HANDLE_INFO.pAutoHandle;
break;
default:
ERR("bad implicit binding handle type (0x%02x)\n", pProcHeader->handle_type);
RpcRaiseException(RPC_X_BAD_STUB_DATA);
}
return pFormat;
}
static void client_free_handle(
PMIDL_STUB_MESSAGE pStubMsg, const NDR_PROC_HEADER *pProcHeader,
PFORMAT_STRING pFormat, handle_t hBinding)
{
/* binding */
switch (pProcHeader->handle_type)
{
/* explicit binding: parse additional section */
case RPC_FC_BIND_EXPLICIT:
switch (*pFormat) /* handle_type */
{
case RPC_FC_BIND_GENERIC: /* explicit generic */
{
const NDR_EHD_GENERIC *pDesc = (const NDR_EHD_GENERIC *)pFormat;
void *pObject = NULL;
void *pArg;
const GENERIC_BINDING_ROUTINE_PAIR *pGenPair;
TRACE("Explicit generic binding handle #%d\n", pDesc->binding_routine_pair_index);
if (pDesc->flag_and_size & HANDLE_PARAM_IS_VIA_PTR)
pArg = *(void **)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
else
pArg = ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
memcpy(&pObject, pArg, pDesc->flag_and_size & 0xf);
pGenPair = &pStubMsg->StubDesc->aGenericBindingRoutinePairs[pDesc->binding_routine_pair_index];
pGenPair->pfnUnbind(pObject, hBinding);
break;
}
case RPC_FC_BIND_CONTEXT: /* explicit context */
case RPC_FC_BIND_PRIMITIVE: /* explicit primitive */
break;
default:
ERR("bad explicit binding handle type (0x%02x)\n", pProcHeader->handle_type);
RpcRaiseException(RPC_X_BAD_STUB_DATA);
}
break;
case RPC_FC_BIND_GENERIC: /* implicit generic */
FIXME("RPC_FC_BIND_GENERIC\n");
RpcRaiseException(RPC_X_BAD_STUB_DATA); /* FIXME: remove when implemented */
break;
case RPC_FC_CALLBACK_HANDLE: /* implicit callback */
case RPC_FC_BIND_PRIMITIVE: /* implicit primitive */
case RPC_FC_AUTO_HANDLE: /* implicit auto handle */
break;
default:
ERR("bad implicit binding handle type (0x%02x)\n", pProcHeader->handle_type);
RpcRaiseException(RPC_X_BAD_STUB_DATA);
}
}
static void client_do_args(PMIDL_STUB_MESSAGE pStubMsg, PFORMAT_STRING pFormat,
int phase, unsigned char *args, unsigned short number_of_params,
unsigned char *pRetVal)
{
/* current format string offset */
int current_offset = 0;
/* current stack offset */
unsigned short current_stack_offset = 0;
/* counter */
unsigned short i;
for (i = 0; i < number_of_params; i++)
{
const NDR_PARAM_OIF_BASETYPE *pParam =
(const NDR_PARAM_OIF_BASETYPE *)&pFormat[current_offset];
unsigned char * pArg;
current_stack_offset = pParam->stack_offset;
pArg = ARG_FROM_OFFSET(args, current_stack_offset);
TRACE("param[%d]: new format\n", i);
TRACE("\tparam_attributes:"); dump_RPC_FC_PROC_PF(pParam->param_attributes); TRACE("\n");
TRACE("\tstack_offset: 0x%x\n", current_stack_offset);
TRACE("\tmemory addr (before): %p\n", pArg);
if (pParam->param_attributes.IsBasetype)
{
const unsigned char * pTypeFormat =
&pParam->type_format_char;
if (pParam->param_attributes.IsSimpleRef)
pArg = *(unsigned char **)pArg;
TRACE("\tbase type: 0x%02x\n", *pTypeFormat);
switch (phase)
{
case PROXY_CALCSIZE:
if (pParam->param_attributes.IsIn)
call_buffer_sizer(pStubMsg, pArg, pTypeFormat);
break;
case PROXY_MARSHAL:
if (pParam->param_attributes.IsIn)
call_marshaller(pStubMsg, pArg, pTypeFormat);
break;
case PROXY_UNMARSHAL:
if (pParam->param_attributes.IsOut)
{
if (pParam->param_attributes.IsReturn)
call_unmarshaller(pStubMsg, &pRetVal, pTypeFormat, 0);
else
call_unmarshaller(pStubMsg, &pArg, pTypeFormat, 0);
TRACE("pRetVal = %p\n", pRetVal);
}
break;
default:
RpcRaiseException(RPC_S_INTERNAL_ERROR);
}
current_offset += sizeof(NDR_PARAM_OIF_BASETYPE);
}
else
{
const NDR_PARAM_OIF_OTHER *pParamOther =
(const NDR_PARAM_OIF_OTHER *)&pFormat[current_offset];
const unsigned char * pTypeFormat =
&(pStubMsg->StubDesc->pFormatTypes[pParamOther->type_offset]);
/* if a simple ref pointer then we have to do the
* check for the pointer being non-NULL. */
if (pParam->param_attributes.IsSimpleRef)
{
if (!*(unsigned char **)pArg)
RpcRaiseException(RPC_X_NULL_REF_POINTER);
}
TRACE("\tcomplex type: 0x%02x\n", *pTypeFormat);
switch (phase)
{
case PROXY_CALCSIZE:
if (pParam->param_attributes.IsIn)
{
if (pParam->param_attributes.IsByValue)
call_buffer_sizer(pStubMsg, pArg, pTypeFormat);
else
call_buffer_sizer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
}
break;
case PROXY_MARSHAL:
if (pParam->param_attributes.IsIn)
{
if (pParam->param_attributes.IsByValue)
call_marshaller(pStubMsg, pArg, pTypeFormat);
else
call_marshaller(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
}
break;
case PROXY_UNMARSHAL:
if (pParam->param_attributes.IsOut)
{
if (pParam->param_attributes.IsReturn)
call_unmarshaller(pStubMsg, &pRetVal, pTypeFormat, 0);
else if (pParam->param_attributes.IsByValue)
call_unmarshaller(pStubMsg, &pArg, pTypeFormat, 0);
else
call_unmarshaller(pStubMsg, (unsigned char **)pArg, pTypeFormat, 0);
}
break;
default:
RpcRaiseException(RPC_S_INTERNAL_ERROR);
}
current_offset += sizeof(NDR_PARAM_OIF_OTHER);
}
TRACE("\tmemory addr (after): %p\n", pArg);
}
}
static unsigned int type_stack_size(unsigned char fc)
{
switch (fc)
{
case RPC_FC_BYTE:
case RPC_FC_CHAR:
case RPC_FC_SMALL:
case RPC_FC_USMALL:
return sizeof(char);
case RPC_FC_WCHAR:
case RPC_FC_SHORT:
case RPC_FC_USHORT:
return sizeof(short);
case RPC_FC_LONG:
case RPC_FC_ULONG:
case RPC_FC_ENUM16:
case RPC_FC_ENUM32:
return sizeof(int);
case RPC_FC_FLOAT:
return sizeof(float);
case RPC_FC_DOUBLE:
return sizeof(double);
case RPC_FC_HYPER:
return sizeof(ULONGLONG);
case RPC_FC_ERROR_STATUS_T:
return sizeof(error_status_t);
case RPC_FC_IGNORE:
return sizeof(void *);
default:
ERR("invalid base type 0x%x\n", fc);
RpcRaiseException(RPC_S_INTERNAL_ERROR);
}
}
void client_do_args_old_format(PMIDL_STUB_MESSAGE pStubMsg,
PFORMAT_STRING pFormat, int phase, unsigned char *args,
unsigned short stack_size,
unsigned char *pRetVal, BOOL object_proc, BOOL ignore_retval)
{
/* current format string offset */
int current_offset = 0;
/* current stack offset */
unsigned short current_stack_offset = 0;
/* counter */
unsigned short i;
/* NOTE: V1 style format doesn't terminate on the number_of_params
* condition as it doesn't have this attribute. Instead it
* terminates when the stack size given in the header is exceeded.
*/
for (i = 0; TRUE; i++)
{
const NDR_PARAM_OI_BASETYPE *pParam =
(const NDR_PARAM_OI_BASETYPE *)&pFormat[current_offset];
/* note: current_stack_offset starts after the This pointer
* if present, so adjust this */
unsigned short current_stack_offset_adjusted = current_stack_offset +
(object_proc ? sizeof(void *) : 0);
unsigned char * pArg = ARG_FROM_OFFSET(args, current_stack_offset_adjusted);
/* no more parameters; exit loop */
if (current_stack_offset_adjusted >= stack_size)
break;
TRACE("param[%d]: old format\n", i);
TRACE("\tparam_direction: 0x%x\n", pParam->param_direction);
TRACE("\tstack_offset: 0x%x\n", current_stack_offset_adjusted);
TRACE("\tmemory addr (before): %p\n", pArg);
if (pParam->param_direction == RPC_FC_IN_PARAM_BASETYPE ||
pParam->param_direction == RPC_FC_RETURN_PARAM_BASETYPE)
{
const unsigned char * pTypeFormat =
&pParam->type_format_char;
TRACE("\tbase type 0x%02x\n", *pTypeFormat);
switch (phase)
{
case PROXY_CALCSIZE:
if (pParam->param_direction == RPC_FC_IN_PARAM_BASETYPE)
call_buffer_sizer(pStubMsg, pArg, pTypeFormat);
break;
case PROXY_MARSHAL:
if (pParam->param_direction == RPC_FC_IN_PARAM_BASETYPE)
call_marshaller(pStubMsg, pArg, pTypeFormat);
break;
case PROXY_UNMARSHAL:
if (!ignore_retval &&
pParam->param_direction == RPC_FC_RETURN_PARAM_BASETYPE)
{
if (pParam->param_direction & RPC_FC_RETURN_PARAM)
call_unmarshaller(pStubMsg, &pRetVal, pTypeFormat, 0);
else
call_unmarshaller(pStubMsg, &pArg, pTypeFormat, 0);
}
break;
default:
RpcRaiseException(RPC_S_INTERNAL_ERROR);
}
current_stack_offset += type_stack_size(*pTypeFormat);
current_offset += sizeof(NDR_PARAM_OI_BASETYPE);
}
else
{
const NDR_PARAM_OI_OTHER *pParamOther =
(const NDR_PARAM_OI_OTHER *)&pFormat[current_offset];
const unsigned char *pTypeFormat =
&pStubMsg->StubDesc->pFormatTypes[pParamOther->type_offset];
TRACE("\tcomplex type 0x%02x\n", *pTypeFormat);
switch (phase)
{
case PROXY_CALCSIZE:
if (pParam->param_direction == RPC_FC_IN_PARAM ||
pParam->param_direction & RPC_FC_IN_OUT_PARAM)
call_buffer_sizer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
break;
case PROXY_MARSHAL:
if (pParam->param_direction == RPC_FC_IN_PARAM ||
pParam->param_direction & RPC_FC_IN_OUT_PARAM)
call_marshaller(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
break;
case PROXY_UNMARSHAL:
if (pParam->param_direction == RPC_FC_IN_OUT_PARAM ||
pParam->param_direction == RPC_FC_OUT_PARAM)
call_unmarshaller(pStubMsg, (unsigned char **)pArg, pTypeFormat, 0);
else if (pParam->param_direction == RPC_FC_RETURN_PARAM)
call_unmarshaller(pStubMsg, (unsigned char **)pRetVal, pTypeFormat, 0);
break;
default:
RpcRaiseException(RPC_S_INTERNAL_ERROR);
}
current_stack_offset += pParamOther->stack_size * sizeof(INT);
current_offset += sizeof(NDR_PARAM_OI_OTHER);
}
TRACE("\tmemory addr (after): %p\n", pArg);
}
}
/* the return type should be CLIENT_CALL_RETURN, but this is incompatible
* with the way gcc returns structures. "void *" should be the largest type
* that MIDL should allow you to return anyway */
LONG_PTR WINAPIV NdrClientCall2(PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pFormat, ...)
{
/* pointer to start of stack where arguments start */
RPC_MESSAGE rpcMsg;
MIDL_STUB_MESSAGE stubMsg;
handle_t hBinding = NULL;
/* procedure number */
unsigned short procedure_number;
/* size of stack */
unsigned short stack_size;
/* number of parameters. optional for client to give it to us */
unsigned char number_of_params = ~0;
/* cache of Oif_flags from v2 procedure header */
INTERPRETER_OPT_FLAGS Oif_flags = { 0 };
/* cache of extension flags from NDR_PROC_HEADER_EXTS */
INTERPRETER_OPT_FLAGS2 ext_flags = { 0 };
/* the type of pass we are currently doing */
int phase;
/* header for procedure string */
const NDR_PROC_HEADER * pProcHeader = (const NDR_PROC_HEADER *)&pFormat[0];
/* -Oif or -Oicf generated format */
BOOL bV2Format = FALSE;
/* the value to return to the client from the remote procedure */
LONG_PTR RetVal = 0;
/* the pointer to the object when in OLE mode */
void * This = NULL;
PFORMAT_STRING pHandleFormat;
/* correlation cache */
unsigned long NdrCorrCache[256];
TRACE("pStubDesc %p, pFormat %p, ...\n", pStubDesc, pFormat);
TRACE("NDR Version: 0x%x\n", pStubDesc->Version);
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
{
const NDR_PROC_HEADER_RPC *pProcHeader = (const NDR_PROC_HEADER_RPC *)&pFormat[0];
stack_size = pProcHeader->stack_size;
procedure_number = pProcHeader->proc_num;
pFormat += sizeof(NDR_PROC_HEADER_RPC);
}
else
{
stack_size = pProcHeader->stack_size;
procedure_number = pProcHeader->proc_num;
pFormat += sizeof(NDR_PROC_HEADER);
}
TRACE("stack size: 0x%x\n", stack_size);
TRACE("proc num: %d\n", procedure_number);
/* create the full pointer translation tables, if requested */
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
stubMsg.FullPtrXlatTables = NdrFullPointerXlatInit(0,XLAT_CLIENT);
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
{
/* object is always the first argument */
This = **(void *const **)(&pFormat+1);
NdrProxyInitialize(This, &rpcMsg, &stubMsg, pStubDesc, procedure_number);
}
else
NdrClientInitializeNew(&rpcMsg, &stubMsg, pStubDesc, procedure_number);
TRACE("Oi_flags = 0x%02x\n", pProcHeader->Oi_flags);
TRACE("MIDL stub version = 0x%x\n", pStubDesc->MIDLVersion);
/* needed for conformance of top-level objects */
#ifdef __i386__
stubMsg.StackTop = *(unsigned char **)(&pFormat+1);
#else
# warning Stack not retrieved for your CPU architecture
#endif
pHandleFormat = pFormat;
/* we only need a handle if this isn't an object method */
if (!(pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT))
{
pFormat = client_get_handle(&stubMsg, pProcHeader, pHandleFormat, &hBinding);
if (!pFormat) return 0;
}
bV2Format = (pStubDesc->Version >= 0x20000);
if (bV2Format)
{
const NDR_PROC_PARTIAL_OIF_HEADER *pOIFHeader =
(const NDR_PROC_PARTIAL_OIF_HEADER *)pFormat;
Oif_flags = pOIFHeader->Oi2Flags;
number_of_params = pOIFHeader->number_of_params;
pFormat += sizeof(NDR_PROC_PARTIAL_OIF_HEADER);
}
TRACE("Oif_flags = "); dump_INTERPRETER_OPT_FLAGS(Oif_flags);
if (Oif_flags.HasExtensions)
{
const NDR_PROC_HEADER_EXTS *pExtensions =
(const NDR_PROC_HEADER_EXTS *)pFormat;
ext_flags = pExtensions->Flags2;
pFormat += pExtensions->Size;
}
stubMsg.BufferLength = 0;
/* store the RPC flags away */
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
rpcMsg.RpcFlags = ((const NDR_PROC_HEADER_RPC *)pProcHeader)->rpc_flags;
/* use alternate memory allocation routines */
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCSSALLOC)
NdrRpcSmSetClientToOsf(&stubMsg);
if (Oif_flags.HasPipes)
{
FIXME("pipes not supported yet\n");
RpcRaiseException(RPC_X_WRONG_STUB_VERSION); /* FIXME: remove when implemented */
/* init pipes package */
/* NdrPipesInitialize(...) */
}
if (ext_flags.HasNewCorrDesc)
{
/* initialize extra correlation package */
NdrCorrelationInitialize(&stubMsg, NdrCorrCache, sizeof(NdrCorrCache), 0);
}
/* order of phases:
* 1. PROXY_CALCSIZE - calculate the buffer size
* 2. PROXY_GETBUFFER - allocate the buffer
* 3. PROXY_MARHSAL - marshal [in] params into the buffer
* 4. PROXY_SENDRECEIVE - send/receive buffer
* 5. PROXY_UNMARHSAL - unmarshal [out] params from buffer
*/
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
{
__TRY
{
for (phase = PROXY_CALCSIZE; phase <= PROXY_UNMARSHAL; phase++)
{
TRACE("phase = %d\n", phase);
switch (phase)
{
case PROXY_GETBUFFER:
/* allocate the buffer */
NdrProxyGetBuffer(This, &stubMsg);
break;
case PROXY_SENDRECEIVE:
/* send the [in] params and receive the [out] and [retval]
* params */
NdrProxySendReceive(This, &stubMsg);
/* convert strings, floating point values and endianess into our
* preferred format */
if ((rpcMsg.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)
NdrConvert(&stubMsg, pFormat);
break;
case PROXY_CALCSIZE:
case PROXY_MARSHAL:
case PROXY_UNMARSHAL:
if (bV2Format)
client_do_args(&stubMsg, pFormat, phase, stubMsg.StackTop,
number_of_params, (unsigned char *)&RetVal);
else
client_do_args_old_format(&stubMsg, pFormat, phase,
stubMsg.StackTop, stack_size, (unsigned char *)&RetVal,
(pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT), FALSE);
break;
default:
ERR("shouldn't reach here. phase %d\n", phase);
break;
}
}
}
__EXCEPT_ALL
{
RetVal = NdrProxyErrorHandler(GetExceptionCode());
}
__ENDTRY
}
else
{
/* order of phases:
* 1. PROXY_CALCSIZE - calculate the buffer size
* 2. PROXY_GETBUFFER - allocate the buffer
* 3. PROXY_MARHSAL - marshal [in] params into the buffer
* 4. PROXY_SENDRECEIVE - send/receive buffer
* 5. PROXY_UNMARHSAL - unmarshal [out] params from buffer
*/
for (phase = PROXY_CALCSIZE; phase <= PROXY_UNMARSHAL; phase++)
{
TRACE("phase = %d\n", phase);
switch (phase)
{
case PROXY_GETBUFFER:
/* allocate the buffer */
if (Oif_flags.HasPipes)
/* NdrGetPipeBuffer(...) */
FIXME("pipes not supported yet\n");
else
{
if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE)
#if 0
NdrNsGetBuffer(&stubMsg, stubMsg.BufferLength, hBinding);
#else
FIXME("using auto handle - call NdrNsGetBuffer when it gets implemented\n");
#endif
else
NdrGetBuffer(&stubMsg, stubMsg.BufferLength, hBinding);
}
break;
case PROXY_SENDRECEIVE:
/* send the [in] params and receive the [out] and [retval]
* params */
if (Oif_flags.HasPipes)
/* NdrPipesSendReceive(...) */
FIXME("pipes not supported yet\n");
else
{
if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE)
#if 0
NdrNsSendReceive(&stubMsg, stubMsg.Buffer, pStubDesc->IMPLICIT_HANDLE_INFO.pAutoHandle);
#else
FIXME("using auto handle - call NdrNsSendReceive when it gets implemented\n");
#endif
else
NdrSendReceive(&stubMsg, stubMsg.Buffer);
}
/* convert strings, floating point values and endianess into our
* preferred format */
if ((rpcMsg.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)
NdrConvert(&stubMsg, pFormat);
break;
case PROXY_CALCSIZE:
case PROXY_MARSHAL:
case PROXY_UNMARSHAL:
if (bV2Format)
client_do_args(&stubMsg, pFormat, phase, stubMsg.StackTop,
number_of_params, (unsigned char *)&RetVal);
else
client_do_args_old_format(&stubMsg, pFormat, phase,
stubMsg.StackTop, stack_size, (unsigned char *)&RetVal,
(pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT), FALSE);
break;
default:
ERR("shouldn't reach here. phase %d\n", phase);
break;
}
}
}
if (ext_flags.HasNewCorrDesc)
{
/* free extra correlation package */
NdrCorrelationFree(&stubMsg);
}
if (Oif_flags.HasPipes)
{
/* NdrPipesDone(...) */
}
/* free the full pointer translation tables */
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
NdrFullPointerXlatFree(stubMsg.FullPtrXlatTables);
/* free marshalling buffer */
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
NdrProxyFreeBuffer(This, &stubMsg);
else
{
NdrFreeBuffer(&stubMsg);
client_free_handle(&stubMsg, pProcHeader, pHandleFormat, hBinding);
}
TRACE("RetVal = 0x%lx\n", RetVal);
return RetVal;
}
/* Calls a function with the specified arguments, restoring the stack
* properly afterwards as we don't know the calling convention of the
* function */
#if defined __i386__ && defined _MSC_VER
__declspec(naked) LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char * args, unsigned int stack_size)
{
__asm
{
push ebp
push edi ; Save registers
push esi
mov ebp, esp
mov eax, [ebp+16] ; Get stack size
sub esp, eax ; Make room in stack for arguments
mov edi, esp
mov ecx, eax
mov esi, [ebp+12]
shr ecx, 2
cld
rep movsd ; Copy dword blocks
call [ebp+8] ; Call function
lea esp, [ebp-8] ; Restore stack
pop esi ; Restore registers
pop edi
pop ebp
ret
}
}
#elif defined __i386__ && defined __GNUC__
LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char * args, unsigned int stack_size);
__ASM_GLOBAL_FUNC(call_server_func,
"pushl %ebp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
__ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
"movl %esp,%ebp\n\t"
__ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
"pushl %edi\n\t" /* Save registers */
__ASM_CFI(".cfi_rel_offset %edi,-4\n\t")
"pushl %esi\n\t"
__ASM_CFI(".cfi_rel_offset %esi,-8\n\t")
"movl 16(%ebp), %eax\n\t" /* Get stack size */
"subl %eax, %esp\n\t" /* Make room in stack for arguments */
"andl $~15, %esp\n\t" /* Make sure stack has 16-byte alignment for Mac OS X */
"movl %esp, %edi\n\t"
"movl %eax, %ecx\n\t"
"movl 12(%ebp), %esi\n\t"
"shrl $2, %ecx\n\t" /* divide by 4 */
"cld\n\t"
"rep; movsl\n\t" /* Copy dword blocks */
"call *8(%ebp)\n\t" /* Call function */
"leal -8(%ebp), %esp\n\t" /* Restore stack */
"popl %esi\n\t" /* Restore registers */
__ASM_CFI(".cfi_same_value %esi\n\t")
"popl %edi\n\t"
__ASM_CFI(".cfi_same_value %edi\n\t")
"popl %ebp\n\t"
__ASM_CFI(".cfi_def_cfa %esp,4\n\t")
__ASM_CFI(".cfi_same_value %ebp\n\t")
"ret" )
#else
#warning call_server_func not implemented for your architecture
LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char * args, unsigned short stack_size)
{
FIXME("Not implemented for your architecture\n");
return 0;
}
#endif
static DWORD calc_arg_size(MIDL_STUB_MESSAGE *pStubMsg, PFORMAT_STRING pFormat)
{
DWORD size;
switch(*pFormat)
{
case RPC_FC_STRUCT:
size = *(const WORD*)(pFormat + 2);
break;
case RPC_FC_CARRAY:
size = *(const WORD*)(pFormat + 2);
ComputeConformance(pStubMsg, NULL, pFormat + 4, 0);
size *= pStubMsg->MaxCount;
break;
case RPC_FC_SMFARRAY:
size = *(const WORD*)(pFormat + 2);
break;
case RPC_FC_LGFARRAY:
size = *(const DWORD*)(pFormat + 2);
break;
case RPC_FC_BOGUS_ARRAY:
pFormat = ComputeConformance(pStubMsg, NULL, pFormat + 4, *(const WORD*)&pFormat[2]);
TRACE("conformance = %ld\n", pStubMsg->MaxCount);
pFormat = ComputeVariance(pStubMsg, NULL, pFormat, pStubMsg->MaxCount);
size = ComplexStructSize(pStubMsg, pFormat);
size *= pStubMsg->MaxCount;
break;
default:
FIXME("Unhandled type %02x\n", *pFormat);
/* fallthrough */
case RPC_FC_RP:
size = sizeof(void *);
break;
}
return size;
}
static LONG_PTR *stub_do_args(MIDL_STUB_MESSAGE *pStubMsg,
PFORMAT_STRING pFormat, int phase,
unsigned char *args,
unsigned short number_of_params)
{
/* counter */
unsigned short i;
/* current format string offset */
int current_offset = 0;
/* current stack offset */
unsigned short current_stack_offset = 0;
/* location to put retval into */
LONG_PTR *retval_ptr = NULL;
for (i = 0; i < number_of_params; i++)
{
const NDR_PARAM_OIF_BASETYPE *pParam =
(const NDR_PARAM_OIF_BASETYPE *)&pFormat[current_offset];
unsigned char *pArg;
current_stack_offset = pParam->stack_offset;
pArg = args + current_stack_offset;
TRACE("param[%d]: new format\n", i);
TRACE("\tparam_attributes:"); dump_RPC_FC_PROC_PF(pParam->param_attributes); TRACE("\n");
TRACE("\tstack_offset: 0x%x\n", current_stack_offset);
TRACE("\tmemory addr (before): %p -> %p\n", pArg, *(unsigned char **)pArg);
if (pParam->param_attributes.IsBasetype)
{
const unsigned char *pTypeFormat =
&pParam->type_format_char;
TRACE("\tbase type: 0x%02x\n", *pTypeFormat);
/* make a note of the address of the return value parameter for later */
if (pParam->param_attributes.IsReturn)
retval_ptr = (LONG_PTR *)pArg;
switch (phase)
{
case STUBLESS_MARSHAL:
if (pParam->param_attributes.IsOut || pParam->param_attributes.IsReturn)
{
if (pParam->param_attributes.IsSimpleRef)
call_marshaller(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
else
call_marshaller(pStubMsg, pArg, pTypeFormat);
}
break;
case STUBLESS_FREE:
if (pParam->param_attributes.ServerAllocSize)
HeapFree(GetProcessHeap(), 0, *(void **)pArg);
break;
case STUBLESS_INITOUT:
break;
case STUBLESS_UNMARSHAL:
if (pParam->param_attributes.ServerAllocSize)
*(void **)pArg = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
pParam->param_attributes.ServerAllocSize * 8);
if (pParam->param_attributes.IsIn)
{
if (pParam->param_attributes.IsSimpleRef)
call_unmarshaller(pStubMsg, (unsigned char **)pArg, pTypeFormat, 0);
else
call_unmarshaller(pStubMsg, &pArg, pTypeFormat, 0);
}
break;
case STUBLESS_CALCSIZE:
if (pParam->param_attributes.IsOut || pParam->param_attributes.IsReturn)
{
if (pParam->param_attributes.IsSimpleRef)
call_buffer_sizer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
else
call_buffer_sizer(pStubMsg, pArg, pTypeFormat);
}
break;
default:
RpcRaiseException(RPC_S_INTERNAL_ERROR);
}
current_offset += sizeof(NDR_PARAM_OIF_BASETYPE);
}
else
{
const NDR_PARAM_OIF_OTHER *pParamOther =
(const NDR_PARAM_OIF_OTHER *)&pFormat[current_offset];
const unsigned char * pTypeFormat =
&(pStubMsg->StubDesc->pFormatTypes[pParamOther->type_offset]);
TRACE("\tcomplex type 0x%02x\n", *pTypeFormat);
switch (phase)
{
case STUBLESS_MARSHAL:
if (pParam->param_attributes.IsOut || pParam->param_attributes.IsReturn)
{
if (pParam->param_attributes.IsByValue)
call_marshaller(pStubMsg, pArg, pTypeFormat);
else
call_marshaller(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
}
break;
case STUBLESS_FREE:
if (pParam->param_attributes.MustFree)
{
if (pParam->param_attributes.IsByValue)
call_freer(pStubMsg, pArg, pTypeFormat);
else
call_freer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
}
if (pParam->param_attributes.IsOut &&
!pParam->param_attributes.IsIn &&
!pParam->param_attributes.IsByValue &&
!pParam->param_attributes.ServerAllocSize)
{
pStubMsg->pfnFree(*(void **)pArg);
}
if (pParam->param_attributes.ServerAllocSize)
HeapFree(GetProcessHeap(), 0, *(void **)pArg);
break;
case STUBLESS_INITOUT:
if (!pParam->param_attributes.IsIn &&
pParam->param_attributes.IsOut &&
!pParam->param_attributes.ServerAllocSize &&
!pParam->param_attributes.IsByValue)
{
DWORD size = calc_arg_size(pStubMsg, pTypeFormat);
if(size)
{
*(void **)pArg = NdrAllocate(pStubMsg, size);
memset(*(void **)pArg, 0, size);
}
}
break;
case STUBLESS_UNMARSHAL:
if (pParam->param_attributes.ServerAllocSize)
*(void **)pArg = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
pParam->param_attributes.ServerAllocSize * 8);
if (pParam->param_attributes.IsIn)
{
if (pParam->param_attributes.IsByValue)
call_unmarshaller(pStubMsg, &pArg, pTypeFormat, 0);
else
call_unmarshaller(pStubMsg, (unsigned char **)pArg, pTypeFormat, 0);
}
break;
case STUBLESS_CALCSIZE:
if (pParam->param_attributes.IsOut || pParam->param_attributes.IsReturn)
{
if (pParam->param_attributes.IsByValue)
call_buffer_sizer(pStubMsg, pArg, pTypeFormat);
else
call_buffer_sizer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
}
break;
default:
RpcRaiseException(RPC_S_INTERNAL_ERROR);
}
current_offset += sizeof(NDR_PARAM_OIF_OTHER);
}
TRACE("\tmemory addr (after): %p -> %p\n", pArg, *(unsigned char **)pArg);
}
return retval_ptr;
}
static LONG_PTR *stub_do_old_args(MIDL_STUB_MESSAGE *pStubMsg,
PFORMAT_STRING pFormat, int phase,
unsigned char *args,
unsigned short stack_size, BOOL object)
{
/* counter */
unsigned short i;
/* current format string offset */
int current_offset = 0;
/* current stack offset */
unsigned short current_stack_offset = 0;
/* location to put retval into */
LONG_PTR *retval_ptr = NULL;
for (i = 0; TRUE; i++)
{
const NDR_PARAM_OI_BASETYPE *pParam =
(const NDR_PARAM_OI_BASETYPE *)&pFormat[current_offset];
/* note: current_stack_offset starts after the This pointer
* if present, so adjust this */
unsigned short current_stack_offset_adjusted = current_stack_offset +
(object ? sizeof(void *) : 0);
unsigned char *pArg = args + current_stack_offset_adjusted;
/* no more parameters; exit loop */
if (current_stack_offset_adjusted >= stack_size)
break;
TRACE("param[%d]: old format\n", i);
TRACE("\tparam_direction: 0x%x\n", pParam->param_direction);
TRACE("\tstack_offset: 0x%x\n", current_stack_offset_adjusted);
if (pParam->param_direction == RPC_FC_IN_PARAM_BASETYPE ||
pParam->param_direction == RPC_FC_RETURN_PARAM_BASETYPE)
{
const unsigned char *pTypeFormat =
&pParam->type_format_char;
TRACE("\tbase type 0x%02x\n", *pTypeFormat);
if (pParam->param_direction == RPC_FC_RETURN_PARAM_BASETYPE)
retval_ptr = (LONG_PTR *)pArg;
switch (phase)
{
case STUBLESS_MARSHAL:
if (pParam->param_direction == RPC_FC_RETURN_PARAM_BASETYPE)
call_marshaller(pStubMsg, pArg, pTypeFormat);
break;
case STUBLESS_FREE:
if (pParam->param_direction == RPC_FC_IN_PARAM_BASETYPE)
call_freer(pStubMsg, pArg, pTypeFormat);
break;
case STUBLESS_UNMARSHAL:
if (pParam->param_direction == RPC_FC_IN_PARAM_BASETYPE)
call_unmarshaller(pStubMsg, &pArg, pTypeFormat, 0);
break;
case STUBLESS_CALCSIZE:
if (pParam->param_direction == RPC_FC_RETURN_PARAM_BASETYPE)
call_buffer_sizer(pStubMsg, pArg, pTypeFormat);
break;
default:
RpcRaiseException(RPC_S_INTERNAL_ERROR);
}
current_stack_offset += type_stack_size(*pTypeFormat);
current_offset += sizeof(NDR_PARAM_OI_BASETYPE);
}
else
{
const NDR_PARAM_OI_OTHER *pParamOther =
(const NDR_PARAM_OI_OTHER *)&pFormat[current_offset];
const unsigned char * pTypeFormat =
&pStubMsg->StubDesc->pFormatTypes[pParamOther->type_offset];
TRACE("\tcomplex type 0x%02x\n", *pTypeFormat);
if (pParam->param_direction == RPC_FC_RETURN_PARAM)
retval_ptr = (LONG_PTR *)pArg;
switch (phase)
{
case STUBLESS_MARSHAL:
if (pParam->param_direction == RPC_FC_OUT_PARAM ||
pParam->param_direction == RPC_FC_IN_OUT_PARAM ||
pParam->param_direction == RPC_FC_RETURN_PARAM)
call_marshaller(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
break;
case STUBLESS_FREE:
if (pParam->param_direction == RPC_FC_IN_OUT_PARAM ||
pParam->param_direction == RPC_FC_IN_PARAM)
call_freer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
else if (pParam->param_direction == RPC_FC_OUT_PARAM)
pStubMsg->pfnFree(*(void **)pArg);
break;
case STUBLESS_INITOUT:
if (pParam->param_direction == RPC_FC_OUT_PARAM)
{
DWORD size = calc_arg_size(pStubMsg, pTypeFormat);
if(size)
{
*(void **)pArg = NdrAllocate(pStubMsg, size);
memset(*(void **)pArg, 0, size);
}
}
break;
case STUBLESS_UNMARSHAL:
if (pParam->param_direction == RPC_FC_IN_OUT_PARAM ||
pParam->param_direction == RPC_FC_IN_PARAM)
call_unmarshaller(pStubMsg, (unsigned char **)pArg, pTypeFormat, 0);
break;
case STUBLESS_CALCSIZE:
if (pParam->param_direction == RPC_FC_OUT_PARAM ||
pParam->param_direction == RPC_FC_IN_OUT_PARAM ||
pParam->param_direction == RPC_FC_RETURN_PARAM)
call_buffer_sizer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
break;
default:
RpcRaiseException(RPC_S_INTERNAL_ERROR);
}
current_stack_offset += pParamOther->stack_size * sizeof(INT);
current_offset += sizeof(NDR_PARAM_OI_OTHER);
}
}
return retval_ptr;
}
/***********************************************************************
* NdrStubCall2 [RPCRT4.@]
*
* Unmarshals [in] parameters, calls either a method in an object or a server
* function, marshals any [out] parameters and frees any allocated data.
*
* NOTES
* Used by stubless MIDL-generated code.
*/
LONG WINAPI NdrStubCall2(
struct IRpcStubBuffer * pThis,
struct IRpcChannelBuffer * pChannel,
PRPC_MESSAGE pRpcMsg,
DWORD * pdwStubPhase)
{
const MIDL_SERVER_INFO *pServerInfo;
const MIDL_STUB_DESC *pStubDesc;
PFORMAT_STRING pFormat;
MIDL_STUB_MESSAGE stubMsg;
/* pointer to start of stack to pass into stub implementation */
unsigned char * args;
/* size of stack */
unsigned short stack_size;
/* number of parameters. optional for client to give it to us */
unsigned char number_of_params = ~0;
/* cache of Oif_flags from v2 procedure header */
INTERPRETER_OPT_FLAGS Oif_flags = { 0 };
/* cache of extension flags from NDR_PROC_HEADER_EXTS */
INTERPRETER_OPT_FLAGS2 ext_flags = { 0 };
/* the type of pass we are currently doing */
int phase;
/* header for procedure string */
const NDR_PROC_HEADER *pProcHeader;
/* offset in format string for start of params */
int parameter_start_offset;
/* current format string offset */
int current_offset;
/* -Oif or -Oicf generated format */
BOOL bV2Format = FALSE;
/* location to put retval into */
LONG_PTR *retval_ptr = NULL;
TRACE("pThis %p, pChannel %p, pRpcMsg %p, pdwStubPhase %p\n", pThis, pChannel, pRpcMsg, pdwStubPhase);
if (pThis)
pServerInfo = CStdStubBuffer_GetServerInfo(pThis);
else
pServerInfo = ((RPC_SERVER_INTERFACE *)pRpcMsg->RpcInterfaceInformation)->InterpreterInfo;
pStubDesc = pServerInfo->pStubDesc;
pFormat = pServerInfo->ProcString + pServerInfo->FmtStringOffset[pRpcMsg->ProcNum];
pProcHeader = (const NDR_PROC_HEADER *)&pFormat[0];
TRACE("NDR Version: 0x%x\n", pStubDesc->Version);
/* create the full pointer translation tables, if requested */
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
stubMsg.FullPtrXlatTables = NdrFullPointerXlatInit(0,XLAT_SERVER);
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
{
const NDR_PROC_HEADER_RPC *pProcHeader = (const NDR_PROC_HEADER_RPC *)&pFormat[0];
stack_size = pProcHeader->stack_size;
current_offset = sizeof(NDR_PROC_HEADER_RPC);
}
else
{
stack_size = pProcHeader->stack_size;
current_offset = sizeof(NDR_PROC_HEADER);
}
TRACE("Oi_flags = 0x%02x\n", pProcHeader->Oi_flags);
/* binding */
switch (pProcHeader->handle_type)
{
/* explicit binding: parse additional section */
case RPC_FC_BIND_EXPLICIT:
switch (pFormat[current_offset]) /* handle_type */
{
case RPC_FC_BIND_PRIMITIVE: /* explicit primitive */
current_offset += sizeof(NDR_EHD_PRIMITIVE);
break;
case RPC_FC_BIND_GENERIC: /* explicit generic */
current_offset += sizeof(NDR_EHD_GENERIC);
break;
case RPC_FC_BIND_CONTEXT: /* explicit context */
current_offset += sizeof(NDR_EHD_CONTEXT);
break;
default:
ERR("bad explicit binding handle type (0x%02x)\n", pProcHeader->handle_type);
RpcRaiseException(RPC_X_BAD_STUB_DATA);
}
break;
case RPC_FC_BIND_GENERIC: /* implicit generic */
case RPC_FC_BIND_PRIMITIVE: /* implicit primitive */
case RPC_FC_CALLBACK_HANDLE: /* implicit callback */
case RPC_FC_AUTO_HANDLE: /* implicit auto handle */
break;
default:
ERR("bad implicit binding handle type (0x%02x)\n", pProcHeader->handle_type);
RpcRaiseException(RPC_X_BAD_STUB_DATA);
}
bV2Format = (pStubDesc->Version >= 0x20000);
if (bV2Format)
{
const NDR_PROC_PARTIAL_OIF_HEADER *pOIFHeader =
(const NDR_PROC_PARTIAL_OIF_HEADER *)&pFormat[current_offset];
Oif_flags = pOIFHeader->Oi2Flags;
number_of_params = pOIFHeader->number_of_params;
current_offset += sizeof(NDR_PROC_PARTIAL_OIF_HEADER);
}
TRACE("Oif_flags = "); dump_INTERPRETER_OPT_FLAGS(Oif_flags);
if (Oif_flags.HasExtensions)
{
const NDR_PROC_HEADER_EXTS *pExtensions =
(const NDR_PROC_HEADER_EXTS *)&pFormat[current_offset];
ext_flags = pExtensions->Flags2;
current_offset += pExtensions->Size;
}
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
NdrStubInitialize(pRpcMsg, &stubMsg, pStubDesc, pChannel);
else
NdrServerInitializeNew(pRpcMsg, &stubMsg, pStubDesc);
/* store the RPC flags away */
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
pRpcMsg->RpcFlags = ((const NDR_PROC_HEADER_RPC *)pProcHeader)->rpc_flags;
/* use alternate memory allocation routines */
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCSSALLOC)
#if 0
NdrRpcSsEnableAllocate(&stubMsg);
#else
FIXME("Set RPCSS memory allocation routines\n");
#endif
if (Oif_flags.HasPipes)
{
FIXME("pipes not supported yet\n");
RpcRaiseException(RPC_X_WRONG_STUB_VERSION); /* FIXME: remove when implemented */
/* init pipes package */
/* NdrPipesInitialize(...) */
}
if (ext_flags.HasNewCorrDesc)
{
/* initialize extra correlation package */
FIXME("new correlation description not implemented\n");
stubMsg.fHasNewCorrDesc = TRUE;
}
/* convert strings, floating point values and endianess into our
* preferred format */
if ((pRpcMsg->DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)
NdrConvert(&stubMsg, pFormat);
parameter_start_offset = current_offset;
TRACE("allocating memory for stack of size %x\n", stack_size);
args = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, stack_size);
stubMsg.StackTop = args; /* used by conformance of top-level objects */
/* add the implicit This pointer as the first arg to the function if we
* are calling an object method */
if (pThis)
*(void **)args = ((CStdStubBuffer *)pThis)->pvServerObject;
/* order of phases:
* 1. STUBLESS_UNMARHSAL - unmarshal [in] params from buffer
* 2. STUBLESS_CALLSERVER - send/receive buffer
* 3. STUBLESS_CALCSIZE - get [out] buffer size
* 4. STUBLESS_GETBUFFER - allocate [out] buffer
* 5. STUBLESS_MARHSAL - marshal [out] params to buffer
*/
for (phase = STUBLESS_UNMARSHAL; phase <= STUBLESS_FREE; phase++)
{
TRACE("phase = %d\n", phase);
switch (phase)
{
case STUBLESS_CALLSERVER:
/* call the server function */
if (pServerInfo->ThunkTable && pServerInfo->ThunkTable[pRpcMsg->ProcNum])
pServerInfo->ThunkTable[pRpcMsg->ProcNum](&stubMsg);
else
{
SERVER_ROUTINE func;
LONG_PTR retval;
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
{
SERVER_ROUTINE *vtbl = *(SERVER_ROUTINE **)((CStdStubBuffer *)pThis)->pvServerObject;
func = vtbl[pRpcMsg->ProcNum];
}
else
func = pServerInfo->DispatchTable[pRpcMsg->ProcNum];
/* FIXME: what happens with return values that don't fit into a single register on x86? */
retval = call_server_func(func, args, stack_size);
if (retval_ptr)
{
TRACE("stub implementation returned 0x%lx\n", retval);
*retval_ptr = retval;
}
else
TRACE("void stub implementation\n");
}
stubMsg.Buffer = NULL;
stubMsg.BufferLength = 0;
break;
case STUBLESS_GETBUFFER:
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
NdrStubGetBuffer(pThis, pChannel, &stubMsg);
else
{
RPC_STATUS Status;
pRpcMsg->BufferLength = stubMsg.BufferLength;
/* allocate buffer for [out] and [ret] params */
Status = I_RpcGetBuffer(pRpcMsg);
if (Status)
RpcRaiseException(Status);
stubMsg.Buffer = pRpcMsg->Buffer;
}
break;
case STUBLESS_UNMARSHAL:
case STUBLESS_INITOUT:
case STUBLESS_CALCSIZE:
case STUBLESS_MARSHAL:
case STUBLESS_FREE:
if (bV2Format)
retval_ptr = stub_do_args(&stubMsg, &pFormat[parameter_start_offset],
phase, args, number_of_params);
else
retval_ptr = stub_do_old_args(&stubMsg, &pFormat[parameter_start_offset],
phase, args, stack_size,
(pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT));
break;
default:
ERR("shouldn't reach here. phase %d\n", phase);
break;
}
}
pRpcMsg->BufferLength = (unsigned int)(stubMsg.Buffer - (unsigned char *)pRpcMsg->Buffer);
if (ext_flags.HasNewCorrDesc)
{
/* free extra correlation package */
/* NdrCorrelationFree(&stubMsg); */
}
if (Oif_flags.HasPipes)
{
/* NdrPipesDone(...) */
}
/* free the full pointer translation tables */
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
NdrFullPointerXlatFree(stubMsg.FullPtrXlatTables);
/* free server function stack */
HeapFree(GetProcessHeap(), 0, args);
return S_OK;
}
/***********************************************************************
* NdrServerCall2 [RPCRT4.@]
*/
void WINAPI NdrServerCall2(PRPC_MESSAGE pRpcMsg)
{
DWORD dwPhase;
NdrStubCall2(NULL, NULL, pRpcMsg, &dwPhase);
}
struct async_call_data
{
MIDL_STUB_MESSAGE *pStubMsg;
const NDR_PROC_HEADER *pProcHeader;
PFORMAT_STRING pHandleFormat;
PFORMAT_STRING pParamFormat;
RPC_BINDING_HANDLE hBinding;
/* size of stack */
unsigned short stack_size;
/* number of parameters. optional for client to give it to us */
unsigned char number_of_params;
/* correlation cache */
unsigned long NdrCorrCache[256];
};
LONG_PTR WINAPIV NdrAsyncClientCall(PMIDL_STUB_DESC pStubDesc,
PFORMAT_STRING pFormat, ...)
{
/* pointer to start of stack where arguments start */
PRPC_MESSAGE pRpcMsg;
PMIDL_STUB_MESSAGE pStubMsg;
RPC_ASYNC_STATE *pAsync;
struct async_call_data *async_call_data;
/* procedure number */
unsigned short procedure_number;
/* cache of Oif_flags from v2 procedure header */
INTERPRETER_OPT_FLAGS Oif_flags = { 0 };
/* cache of extension flags from NDR_PROC_HEADER_EXTS */
INTERPRETER_OPT_FLAGS2 ext_flags = { 0 };
/* the type of pass we are currently doing */
int phase;
/* header for procedure string */
const NDR_PROC_HEADER * pProcHeader = (const NDR_PROC_HEADER *)&pFormat[0];
/* -Oif or -Oicf generated format */
BOOL bV2Format = FALSE;
TRACE("pStubDesc %p, pFormat %p, ...\n", pStubDesc, pFormat);
/* Later NDR language versions probably won't be backwards compatible */
if (pStubDesc->Version > 0x50002)
{
FIXME("Incompatible stub description version: 0x%x\n", pStubDesc->Version);
RpcRaiseException(RPC_X_WRONG_STUB_VERSION);
}
async_call_data = I_RpcAllocate(sizeof(*async_call_data) + sizeof(MIDL_STUB_MESSAGE) + sizeof(RPC_MESSAGE));
if (!async_call_data) RpcRaiseException(ERROR_OUTOFMEMORY);
async_call_data->number_of_params = ~0;
async_call_data->pProcHeader = pProcHeader;
async_call_data->pStubMsg = pStubMsg = (PMIDL_STUB_MESSAGE)(async_call_data + 1);
pRpcMsg = (PRPC_MESSAGE)(pStubMsg + 1);
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
{
const NDR_PROC_HEADER_RPC *pProcHeader = (const NDR_PROC_HEADER_RPC *)&pFormat[0];
async_call_data->stack_size = pProcHeader->stack_size;
procedure_number = pProcHeader->proc_num;
pFormat += sizeof(NDR_PROC_HEADER_RPC);
}
else
{
async_call_data->stack_size = pProcHeader->stack_size;
procedure_number = pProcHeader->proc_num;
pFormat += sizeof(NDR_PROC_HEADER);
}
TRACE("stack size: 0x%x\n", async_call_data->stack_size);
TRACE("proc num: %d\n", procedure_number);
/* create the full pointer translation tables, if requested */
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
pStubMsg->FullPtrXlatTables = NdrFullPointerXlatInit(0,XLAT_CLIENT);
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
{
ERR("objects not supported\n");
I_RpcFree(async_call_data);
RpcRaiseException(RPC_X_BAD_STUB_DATA);
}
NdrClientInitializeNew(pRpcMsg, pStubMsg, pStubDesc, procedure_number);
TRACE("Oi_flags = 0x%02x\n", pProcHeader->Oi_flags);
TRACE("MIDL stub version = 0x%x\n", pStubDesc->MIDLVersion);
/* needed for conformance of top-level objects */
#ifdef __i386__
pStubMsg->StackTop = I_RpcAllocate(async_call_data->stack_size);
/* FIXME: this may read one more DWORD than is necessary, but it shouldn't hurt */
memcpy(pStubMsg->StackTop, *(unsigned char **)(&pFormat+1), async_call_data->stack_size);
#else
# warning Stack not retrieved for your CPU architecture
#endif
pAsync = *(RPC_ASYNC_STATE **)pStubMsg->StackTop;
pAsync->StubInfo = async_call_data;
async_call_data->pHandleFormat = pFormat;
pFormat = client_get_handle(pStubMsg, pProcHeader, async_call_data->pHandleFormat, &async_call_data->hBinding);
if (!pFormat) return 0;
bV2Format = (pStubDesc->Version >= 0x20000);
if (bV2Format)
{
const NDR_PROC_PARTIAL_OIF_HEADER *pOIFHeader =
(const NDR_PROC_PARTIAL_OIF_HEADER *)pFormat;
Oif_flags = pOIFHeader->Oi2Flags;
async_call_data->number_of_params = pOIFHeader->number_of_params;
pFormat += sizeof(NDR_PROC_PARTIAL_OIF_HEADER);
}
TRACE("Oif_flags = "); dump_INTERPRETER_OPT_FLAGS(Oif_flags);
if (Oif_flags.HasExtensions)
{
const NDR_PROC_HEADER_EXTS *pExtensions =
(const NDR_PROC_HEADER_EXTS *)pFormat;
ext_flags = pExtensions->Flags2;
pFormat += pExtensions->Size;
}
async_call_data->pParamFormat = pFormat;
pStubMsg->BufferLength = 0;
/* store the RPC flags away */
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
pRpcMsg->RpcFlags = ((const NDR_PROC_HEADER_RPC *)pProcHeader)->rpc_flags;
/* use alternate memory allocation routines */
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCSSALLOC)
NdrRpcSmSetClientToOsf(pStubMsg);
if (Oif_flags.HasPipes)
{
FIXME("pipes not supported yet\n");
RpcRaiseException(RPC_X_WRONG_STUB_VERSION); /* FIXME: remove when implemented */
/* init pipes package */
/* NdrPipesInitialize(...) */
}
if (ext_flags.HasNewCorrDesc)
{
/* initialize extra correlation package */
NdrCorrelationInitialize(pStubMsg, async_call_data->NdrCorrCache, sizeof(async_call_data->NdrCorrCache), 0);
}
/* order of phases:
* 1. PROXY_CALCSIZE - calculate the buffer size
* 2. PROXY_GETBUFFER - allocate the buffer
* 3. PROXY_MARHSAL - marshal [in] params into the buffer
* 4. PROXY_SENDRECEIVE - send buffer
* Then in NdrpCompleteAsyncClientCall:
* 1. PROXY_SENDRECEIVE - receive buffer
* 2. PROXY_UNMARHSAL - unmarshal [out] params from buffer
*/
for (phase = PROXY_CALCSIZE; phase <= PROXY_SENDRECEIVE; phase++)
{
RPC_STATUS status;
TRACE("phase = %d\n", phase);
switch (phase)
{
case PROXY_GETBUFFER:
/* allocate the buffer */
if (Oif_flags.HasPipes)
/* NdrGetPipeBuffer(...) */
FIXME("pipes not supported yet\n");
else
{
if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE)
#if 0
NdrNsGetBuffer(pStubMsg, pStubMsg->BufferLength, async_call_data->hBinding);
#else
FIXME("using auto handle - call NdrNsGetBuffer when it gets implemented\n");
#endif
else
NdrGetBuffer(pStubMsg, pStubMsg->BufferLength, async_call_data->hBinding);
}
pRpcMsg->RpcFlags |= RPC_BUFFER_ASYNC;
status = I_RpcAsyncSetHandle(pRpcMsg, pAsync);
if (status != RPC_S_OK)
RpcRaiseException(status);
break;
case PROXY_SENDRECEIVE:
pRpcMsg->RpcFlags |= RPC_BUFFER_ASYNC;
/* send the [in] params only */
if (Oif_flags.HasPipes)
/* NdrPipesSend(...) */
FIXME("pipes not supported yet\n");
else
{
if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE)
#if 0
NdrNsSend(&stubMsg, stubMsg.Buffer, pStubDesc->IMPLICIT_HANDLE_INFO.pAutoHandle);
#else
FIXME("using auto handle - call NdrNsSend when it gets implemented\n");
#endif
else
{
pStubMsg->RpcMsg->BufferLength = pStubMsg->Buffer - (unsigned char *)pStubMsg->RpcMsg->Buffer;
status = I_RpcSend(pStubMsg->RpcMsg);
if (status != RPC_S_OK)
RpcRaiseException(status);
}
}
break;
case PROXY_CALCSIZE:
case PROXY_MARSHAL:
if (bV2Format)
client_do_args(pStubMsg, pFormat, phase, pStubMsg->StackTop,
async_call_data->number_of_params, NULL);
else
client_do_args_old_format(pStubMsg, pFormat, phase,
pStubMsg->StackTop, async_call_data->stack_size, NULL,
(pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT), FALSE);
break;
default:
ERR("shouldn't reach here. phase %d\n", phase);
break;
}
}
TRACE("returning 0\n");
return 0;
}
RPC_STATUS NdrpCompleteAsyncClientCall(RPC_ASYNC_STATE *pAsync, void *Reply)
{
/* pointer to start of stack where arguments start */
PMIDL_STUB_MESSAGE pStubMsg;
struct async_call_data *async_call_data;
/* the type of pass we are currently doing */
int phase;
/* header for procedure string */
const NDR_PROC_HEADER * pProcHeader;
/* -Oif or -Oicf generated format */
BOOL bV2Format;
RPC_STATUS status = RPC_S_OK;
if (!pAsync->StubInfo)
return RPC_S_INVALID_ASYNC_HANDLE;
async_call_data = pAsync->StubInfo;
pStubMsg = async_call_data->pStubMsg;
pProcHeader = async_call_data->pProcHeader;
bV2Format = (pStubMsg->StubDesc->Version >= 0x20000);
/* order of phases:
* 1. PROXY_CALCSIZE - calculate the buffer size
* 2. PROXY_GETBUFFER - allocate the buffer
* 3. PROXY_MARHSAL - marshal [in] params into the buffer
* 4. PROXY_SENDRECEIVE - send buffer
* Then in NdrpCompleteAsyncClientCall:
* 1. PROXY_SENDRECEIVE - receive buffer
* 2. PROXY_UNMARHSAL - unmarshal [out] params from buffer
*/
for (phase = PROXY_SENDRECEIVE; phase <= PROXY_UNMARSHAL; phase++)
{
switch (phase)
{
case PROXY_SENDRECEIVE:
pStubMsg->RpcMsg->RpcFlags |= RPC_BUFFER_ASYNC;
/* receive the [out] params */
if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE)
#if 0
NdrNsReceive(&stubMsg, stubMsg.Buffer, pStubDesc->IMPLICIT_HANDLE_INFO.pAutoHandle);
#else
FIXME("using auto handle - call NdrNsReceive when it gets implemented\n");
#endif
else
{
status = I_RpcReceive(pStubMsg->RpcMsg);
if (status != RPC_S_OK)
goto cleanup;
pStubMsg->BufferLength = pStubMsg->RpcMsg->BufferLength;
pStubMsg->BufferStart = pStubMsg->RpcMsg->Buffer;
pStubMsg->BufferEnd = pStubMsg->BufferStart + pStubMsg->BufferLength;
pStubMsg->Buffer = pStubMsg->BufferStart;
}
/* convert strings, floating point values and endianess into our
* preferred format */
#if 0
if ((pStubMsg->RpcMsg.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)
NdrConvert(pStubMsg, pFormat);
#endif
break;
case PROXY_UNMARSHAL:
if (bV2Format)
client_do_args(pStubMsg, async_call_data->pParamFormat, phase, pStubMsg->StackTop,
async_call_data->number_of_params, Reply);
else
client_do_args_old_format(pStubMsg, async_call_data->pParamFormat, phase,
pStubMsg->StackTop, async_call_data->stack_size, Reply, FALSE, FALSE);
break;
default:
ERR("shouldn't reach here. phase %d\n", phase);
break;
}
}
cleanup:
if (pStubMsg->fHasNewCorrDesc)
{
/* free extra correlation package */
NdrCorrelationFree(pStubMsg);
}
/* free the full pointer translation tables */
if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
NdrFullPointerXlatFree(pStubMsg->FullPtrXlatTables);
/* free marshalling buffer */
NdrFreeBuffer(pStubMsg);
client_free_handle(pStubMsg, pProcHeader, async_call_data->pHandleFormat, async_call_data->hBinding);
I_RpcFree(pStubMsg->StackTop);
I_RpcFree(async_call_data);
TRACE("-- 0x%x\n", status);
return status;
}
RPCRTAPI LONG RPC_ENTRY NdrAsyncStubCall(struct IRpcStubBuffer* pThis,
struct IRpcChannelBuffer* pChannel, PRPC_MESSAGE pRpcMsg,
DWORD * pdwStubPhase)
{
FIXME("unimplemented, expect crash!\n");
return 0;
}