ndr_stubless.c 63.4 KB
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/*
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 * NDR -Oi,-Oif,-Oicf Interpreter
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 *
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 * Copyright 2001 Ove Kåven, TransGaming Technologies
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 * Copyright 2003-5 Robert Shearman (for CodeWeavers)
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 *
 * 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
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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 *
 * TODO:
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 *  - Pipes
 *  - Some types of binding handles
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 */

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#include "config.h"
#include "wine/port.h"

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#include <stdarg.h>
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#include <stdio.h>
#include <string.h>

#include "windef.h"
#include "winbase.h"
#include "winerror.h"

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#include "objbase.h"
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#include "rpc.h"
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#include "rpcproxy.h"
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#include "wine/exception.h"
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#include "wine/debug.h"
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#include "wine/rpcfc.h"
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#include "cpsf.h"
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#include "ndr_misc.h"
#include "ndr_stubless.h"
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WINE_DEFAULT_DEBUG_CHANNEL(rpc);
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#define NDR_TABLE_MASK 127

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static inline void call_buffer_sizer(PMIDL_STUB_MESSAGE pStubMsg, unsigned char *pMemory,
                                     const NDR_PARAM_OIF *param)
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{
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    PFORMAT_STRING pFormat;
    NDR_BUFFERSIZE m;

    if (param->attr.IsBasetype)
    {
        pFormat = &param->u.type_format_char;
        if (param->attr.IsSimpleRef) pMemory = *(unsigned char **)pMemory;
    }
    else
    {
        pFormat = &pStubMsg->StubDesc->pFormatTypes[param->u.type_offset];
        if (!param->attr.IsByValue) pMemory = *(unsigned char **)pMemory;
    }

    m = NdrBufferSizer[pFormat[0] & NDR_TABLE_MASK];
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    if (m) m(pStubMsg, pMemory, pFormat);
    else
    {
        FIXME("format type 0x%x not implemented\n", pFormat[0]);
        RpcRaiseException(RPC_X_BAD_STUB_DATA);
    }
}
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static inline unsigned char *call_marshaller(PMIDL_STUB_MESSAGE pStubMsg, unsigned char *pMemory,
                                             const NDR_PARAM_OIF *param)
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{
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    PFORMAT_STRING pFormat;
    NDR_MARSHALL m;

    if (param->attr.IsBasetype)
    {
        pFormat = &param->u.type_format_char;
        if (param->attr.IsSimpleRef) pMemory = *(unsigned char **)pMemory;
    }
    else
    {
        pFormat = &pStubMsg->StubDesc->pFormatTypes[param->u.type_offset];
        if (!param->attr.IsByValue) pMemory = *(unsigned char **)pMemory;
    }

    m = NdrMarshaller[pFormat[0] & NDR_TABLE_MASK];
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    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;
    }
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}

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static inline unsigned char *call_unmarshaller(PMIDL_STUB_MESSAGE pStubMsg, unsigned char **ppMemory,
                                               const NDR_PARAM_OIF *param, unsigned char fMustAlloc)
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{
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    PFORMAT_STRING pFormat;
    NDR_UNMARSHALL m;

    if (param->attr.IsBasetype)
    {
        pFormat = &param->u.type_format_char;
        if (param->attr.IsSimpleRef) ppMemory = (unsigned char **)*ppMemory;
    }
    else
    {
        pFormat = &pStubMsg->StubDesc->pFormatTypes[param->u.type_offset];
        if (!param->attr.IsByValue) ppMemory = (unsigned char **)*ppMemory;
    }

    m = NdrUnmarshaller[pFormat[0] & NDR_TABLE_MASK];
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    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;
    }
}

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static inline void call_freer(PMIDL_STUB_MESSAGE pStubMsg, unsigned char *pMemory,
                              const NDR_PARAM_OIF *param)
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{
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    PFORMAT_STRING pFormat;
    NDR_FREE m;

    if (param->attr.IsBasetype) return;  /* nothing to do */
    pFormat = &pStubMsg->StubDesc->pFormatTypes[param->u.type_offset];
    if (!param->attr.IsByValue) pMemory = *(unsigned char **)pMemory;

    m = NdrFreer[pFormat[0] & NDR_TABLE_MASK];
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    if (m) m(pStubMsg, pMemory, pFormat);
}

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static DWORD calc_arg_size(MIDL_STUB_MESSAGE *pStubMsg, PFORMAT_STRING pFormat)
{
    DWORD size;
    switch(*pFormat)
    {
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    case RPC_FC_RP:
        if (pFormat[1] & RPC_FC_P_SIMPLEPOINTER)
        {
            FIXME("Simple reference pointer (type %#x).\n", pFormat[2]);
            size = sizeof(void *);
            break;
        }
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        size = calc_arg_size(pStubMsg, &pFormat[2] + *(const SHORT*)&pFormat[2]);
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        break;
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    case RPC_FC_STRUCT:
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    case RPC_FC_PSTRUCT:
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        size = *(const WORD*)(pFormat + 2);
        break;
    case RPC_FC_BOGUS_STRUCT:
        size = *(const WORD*)(pFormat + 2);
        if(*(const WORD*)(pFormat + 4))
            FIXME("Unhandled conformant description\n");
        break;
    case RPC_FC_CARRAY:
    case RPC_FC_CVARRAY:
        size = *(const WORD*)(pFormat + 2);
        ComputeConformance(pStubMsg, NULL, pFormat + 4, 0);
        size *= pStubMsg->MaxCount;
        break;
    case RPC_FC_SMFARRAY:
    case RPC_FC_SMVARRAY:
        size = *(const WORD*)(pFormat + 2);
        break;
    case RPC_FC_LGFARRAY:
    case RPC_FC_LGVARRAY:
        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;
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    case RPC_FC_USER_MARSHAL:
        size = *(const WORD*)(pFormat + 4);
        break;
    case RPC_FC_CSTRING:
        size = *(const WORD*)(pFormat + 2);
        break;
    case RPC_FC_WSTRING:
        size = *(const WORD*)(pFormat + 2) * sizeof(WCHAR);
        break;
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    case RPC_FC_C_CSTRING:
    case RPC_FC_C_WSTRING:
        if (*pFormat == RPC_FC_C_CSTRING)
            size = sizeof(CHAR);
        else
            size = sizeof(WCHAR);
        if (pFormat[1] == RPC_FC_STRING_SIZED)
            ComputeConformance(pStubMsg, NULL, pFormat + 2, 0);
        else
            pStubMsg->MaxCount = 0;
        size *= pStubMsg->MaxCount;
        break;
    default:
        FIXME("Unhandled type %02x\n", *pFormat);
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        /* fallthrough */
    case RPC_FC_IP:
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        size = sizeof(void *);
        break;
    }
    return size;
}

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void WINAPI NdrRpcSmSetClientToOsf(PMIDL_STUB_MESSAGE pMessage)
{
#if 0 /* these functions are not defined yet */
    pMessage->pfnAllocate = NdrRpcSmClientAllocate;
    pMessage->pfnFree = NdrRpcSmClientFree;
#endif
}

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static const char *debugstr_PROC_PF(PARAM_ATTRIBUTES param_attributes)
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{
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    char buffer[160];

    buffer[0] = 0;
    if (param_attributes.MustSize) strcat(buffer, " MustSize");
    if (param_attributes.MustFree) strcat(buffer, " MustFree");
    if (param_attributes.IsPipe) strcat(buffer, " IsPipe");
    if (param_attributes.IsIn) strcat(buffer, " IsIn");
    if (param_attributes.IsOut) strcat(buffer, " IsOut");
    if (param_attributes.IsReturn) strcat(buffer, " IsReturn");
    if (param_attributes.IsBasetype) strcat(buffer, " IsBasetype");
    if (param_attributes.IsByValue) strcat(buffer, " IsByValue");
    if (param_attributes.IsSimpleRef) strcat(buffer, " IsSimpleRef");
    if (param_attributes.IsDontCallFreeInst) strcat(buffer, " IsDontCallFreeInst");
    if (param_attributes.SaveForAsyncFinish) strcat(buffer, " SaveForAsyncFinish");
    if (param_attributes.ServerAllocSize)
        sprintf( buffer + strlen(buffer), " ServerAllocSize = %d", param_attributes.ServerAllocSize * 8);
    return buffer[0] ? wine_dbg_sprintf( "%s", buffer + 1 ) : "";
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}

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static const char *debugstr_INTERPRETER_OPT_FLAGS(INTERPRETER_OPT_FLAGS Oi2Flags)
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{
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    char buffer[160];

    buffer[0] = 0;
    if (Oi2Flags.ServerMustSize) strcat(buffer, " ServerMustSize");
    if (Oi2Flags.ClientMustSize) strcat(buffer, " ClientMustSize");
    if (Oi2Flags.HasReturn) strcat(buffer, " HasReturn");
    if (Oi2Flags.HasPipes) strcat(buffer, " HasPipes");
    if (Oi2Flags.Unused) strcat(buffer, " Unused");
    if (Oi2Flags.HasAsyncUuid) strcat(buffer, " HasAsyncUuid");
    if (Oi2Flags.HasExtensions) strcat(buffer, " HasExtensions");
    if (Oi2Flags.HasAsyncHandle) strcat(buffer, " HasAsyncHandle");
    return buffer[0] ? wine_dbg_sprintf( "%s", buffer + 1 ) : "";
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}

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#define ARG_FROM_OFFSET(args, offset) ((args) + (offset))
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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 */
            {
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                const NDR_EHD_PRIMITIVE *pDesc = (const NDR_EHD_PRIMITIVE *)pFormat;
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                TRACE("Explicit primitive handle @ %d\n", pDesc->offset);

                if (pDesc->flag) /* pointer to binding */
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                    *phBinding = **(handle_t **)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
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                else
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                    *phBinding = *(handle_t *)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
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                return pFormat + sizeof(NDR_EHD_PRIMITIVE);
            }
        case RPC_FC_BIND_GENERIC: /* explicit generic */
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            {
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                const NDR_EHD_GENERIC *pDesc = (const NDR_EHD_GENERIC *)pFormat;
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                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)
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                    pArg = *(void **)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
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                else
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                    pArg = ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
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                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);
            }
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        case RPC_FC_BIND_CONTEXT: /* explicit context */
            {
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                const NDR_EHD_CONTEXT *pDesc = (const NDR_EHD_CONTEXT *)pFormat;
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                NDR_CCONTEXT context_handle;
                TRACE("Explicit bind context\n");
                if (pDesc->flags & HANDLE_PARAM_IS_VIA_PTR)
                {
                    TRACE("\tHANDLE_PARAM_IS_VIA_PTR\n");
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                    context_handle = **(NDR_CCONTEXT **)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
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                }
                else
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                    context_handle = *(NDR_CCONTEXT *)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
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                if (context_handle) *phBinding = NDRCContextBinding(context_handle);
                else if (pDesc->flags & NDR_CONTEXT_HANDLE_CANNOT_BE_NULL)
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                {
                    ERR("null context handle isn't allowed\n");
                    RpcRaiseException(RPC_X_SS_IN_NULL_CONTEXT);
                    return NULL;
                }
                /* 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;
}
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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 */
            {
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                const NDR_EHD_GENERIC *pDesc = (const NDR_EHD_GENERIC *)pFormat;
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                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)
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                    pArg = *(void **)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
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                else
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                    pArg = ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
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                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);
    }
}

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void client_do_args( PMIDL_STUB_MESSAGE pStubMsg, PFORMAT_STRING pFormat, enum stubless_phase phase,
                     void **fpu_args, unsigned short number_of_params, unsigned char *pRetVal )
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{
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    const NDR_PARAM_OIF *params = (const NDR_PARAM_OIF *)pFormat;
    unsigned int i;
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    for (i = 0; i < number_of_params; i++)
    {
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        unsigned char *pArg = pStubMsg->StackTop + params[i].stack_offset;
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        PFORMAT_STRING pTypeFormat = (PFORMAT_STRING)&pStubMsg->StubDesc->pFormatTypes[params[i].u.type_offset];
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#ifdef __x86_64__  /* floats are passed as doubles through varargs functions */
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        float f;
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        if (params[i].attr.IsBasetype &&
            params[i].u.type_format_char == RPC_FC_FLOAT &&
            !params[i].attr.IsSimpleRef &&
            !fpu_args)
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        {
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            f = *(double *)pArg;
            pArg = (unsigned char *)&f;
        }
#endif
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        TRACE("param[%d]: %p type %02x %s\n", i, pArg,
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              params[i].attr.IsBasetype ? params[i].u.type_format_char : *pTypeFormat,
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              debugstr_PROC_PF( params[i].attr ));
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        switch (phase)
        {
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        case STUBLESS_INITOUT:
            if (!params[i].attr.IsBasetype && params[i].attr.IsOut &&
                !params[i].attr.IsIn && !params[i].attr.IsByValue)
            {
                memset( *(unsigned char **)pArg, 0, calc_arg_size( pStubMsg, pTypeFormat ));
            }
            break;
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        case STUBLESS_CALCSIZE:
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            if (params[i].attr.IsSimpleRef && !*(unsigned char **)pArg)
                RpcRaiseException(RPC_X_NULL_REF_POINTER);
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            if (params[i].attr.IsIn) call_buffer_sizer(pStubMsg, pArg, &params[i]);
            break;
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        case STUBLESS_MARSHAL:
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            if (params[i].attr.IsIn) call_marshaller(pStubMsg, pArg, &params[i]);
            break;
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        case STUBLESS_UNMARSHAL:
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            if (params[i].attr.IsOut)
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            {
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                if (params[i].attr.IsReturn && pRetVal) pArg = pRetVal;
                call_unmarshaller(pStubMsg, &pArg, &params[i], 0);
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            }
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            break;
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        case STUBLESS_FREE:
            if (!params[i].attr.IsBasetype && params[i].attr.IsOut && !params[i].attr.IsByValue)
                NdrClearOutParameters( pStubMsg, pTypeFormat, *(unsigned char **)pArg );
            break;
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        default:
            RpcRaiseException(RPC_S_INTERNAL_ERROR);
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        }
    }
}

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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:
    case RPC_FC_WCHAR:
    case RPC_FC_SHORT:
    case RPC_FC_USHORT:
    case RPC_FC_LONG:
    case RPC_FC_ULONG:
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    case RPC_FC_INT3264:
    case RPC_FC_UINT3264:
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    case RPC_FC_ENUM16:
    case RPC_FC_ENUM32:
    case RPC_FC_FLOAT:
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    case RPC_FC_ERROR_STATUS_T:
    case RPC_FC_IGNORE:
        return sizeof(void *);
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    case RPC_FC_DOUBLE:
        return sizeof(double);
    case RPC_FC_HYPER:
        return sizeof(ULONGLONG);
    default:
        ERR("invalid base type 0x%x\n", fc);
        RpcRaiseException(RPC_S_INTERNAL_ERROR);
    }
}

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static BOOL is_by_value( PFORMAT_STRING format )
{
    switch (*format)
    {
    case RPC_FC_USER_MARSHAL:
    case RPC_FC_STRUCT:
    case RPC_FC_PSTRUCT:
    case RPC_FC_CSTRUCT:
    case RPC_FC_CPSTRUCT:
    case RPC_FC_CVSTRUCT:
    case RPC_FC_BOGUS_STRUCT:
        return TRUE;
    default:
        return FALSE;
    }
}

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PFORMAT_STRING convert_old_args( PMIDL_STUB_MESSAGE pStubMsg, PFORMAT_STRING pFormat,
                                 unsigned int stack_size, BOOL object_proc,
                                 void *buffer, unsigned int size, unsigned int *count )
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{
    NDR_PARAM_OIF *args = buffer;
    unsigned int i, stack_offset = object_proc ? sizeof(void *) : 0;

    for (i = 0; stack_offset < stack_size; i++)
    {
        const NDR_PARAM_OI_BASETYPE *param = (const NDR_PARAM_OI_BASETYPE *)pFormat;
        const NDR_PARAM_OI_OTHER *other = (const NDR_PARAM_OI_OTHER *)pFormat;

        if (i + 1 > size / sizeof(*args))
        {
            FIXME( "%u args not supported\n", i );
            RpcRaiseException( RPC_S_INTERNAL_ERROR );
        }

        args[i].stack_offset = stack_offset;
        memset( &args[i].attr, 0, sizeof(args[i].attr) );

        switch (param->param_direction)
        {
        case RPC_FC_IN_PARAM_BASETYPE:
            args[i].attr.IsIn = 1;
            args[i].attr.IsBasetype = 1;
            break;
        case RPC_FC_RETURN_PARAM_BASETYPE:
            args[i].attr.IsOut = 1;
            args[i].attr.IsReturn = 1;
            args[i].attr.IsBasetype = 1;
            break;
        case RPC_FC_IN_PARAM:
            args[i].attr.IsIn = 1;
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            args[i].attr.MustFree = 1;
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            break;
        case RPC_FC_IN_PARAM_NO_FREE_INST:
            args[i].attr.IsIn = 1;
            args[i].attr.IsDontCallFreeInst = 1;
            break;
        case RPC_FC_IN_OUT_PARAM:
            args[i].attr.IsIn = 1;
            args[i].attr.IsOut = 1;
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            args[i].attr.MustFree = 1;
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            break;
        case RPC_FC_OUT_PARAM:
            args[i].attr.IsOut = 1;
            break;
        case RPC_FC_RETURN_PARAM:
            args[i].attr.IsOut = 1;
            args[i].attr.IsReturn = 1;
            break;
        }
        if (args[i].attr.IsBasetype)
        {
            args[i].u.type_format_char = param->type_format_char;
            stack_offset += type_stack_size( param->type_format_char );
            pFormat += sizeof(NDR_PARAM_OI_BASETYPE);
        }
        else
        {
            args[i].u.type_offset = other->type_offset;
            args[i].attr.IsByValue = is_by_value( &pStubMsg->StubDesc->pFormatTypes[other->type_offset] );
            stack_offset += other->stack_size * sizeof(void *);
            pFormat += sizeof(NDR_PARAM_OI_OTHER);
        }
    }
    *count = i;
    return (PFORMAT_STRING)args;
}

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LONG_PTR CDECL ndr_client_call( PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pFormat,
                                void **stack_top, void **fpu_stack )
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{
    /* 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 */
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    unsigned int number_of_params;
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    /* cache of Oif_flags from v2 procedure header */
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    INTERPRETER_OPT_FLAGS Oif_flags = { 0 };
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    /* cache of extension flags from NDR_PROC_HEADER_EXTS */
    INTERPRETER_OPT_FLAGS2 ext_flags = { 0 };
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    /* header for procedure string */
    const NDR_PROC_HEADER * pProcHeader = (const NDR_PROC_HEADER *)&pFormat[0];
    /* 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;
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    PFORMAT_STRING pHandleFormat;
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    /* correlation cache */
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    ULONG_PTR NdrCorrCache[256];
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    TRACE("pStubDesc %p, pFormat %p, ...\n", pStubDesc, pFormat);
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    TRACE("NDR Version: 0x%x\n", pStubDesc->Version);
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    if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
    {
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        const NDR_PROC_HEADER_RPC *header_rpc = (const NDR_PROC_HEADER_RPC *)&pFormat[0];
        stack_size = header_rpc->stack_size;
        procedure_number = header_rpc->proc_num;
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        pFormat += sizeof(NDR_PROC_HEADER_RPC);
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    }
    else
    {
        stack_size = pProcHeader->stack_size;
        procedure_number = pProcHeader->proc_num;
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        pFormat += sizeof(NDR_PROC_HEADER);
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    }
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    TRACE("stack size: 0x%x\n", stack_size);
    TRACE("proc num: %d\n", procedure_number);
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    /* create the full pointer translation tables, if requested */
    if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
        stubMsg.FullPtrXlatTables = NdrFullPointerXlatInit(0,XLAT_CLIENT);

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    if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
    {
        /* object is always the first argument */
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        This = stack_top[0];
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        NdrProxyInitialize(This, &rpcMsg, &stubMsg, pStubDesc, procedure_number);
    }
    else
        NdrClientInitializeNew(&rpcMsg, &stubMsg, pStubDesc, procedure_number);

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    TRACE("Oi_flags = 0x%02x\n", pProcHeader->Oi_flags);
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    TRACE("MIDL stub version = 0x%x\n", pStubDesc->MIDLVersion);
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    stubMsg.StackTop = (unsigned char *)stack_top;
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    pHandleFormat = pFormat;

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    /* we only need a handle if this isn't an object method */
    if (!(pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT))
    {
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        pFormat = client_get_handle(&stubMsg, pProcHeader, pHandleFormat, &hBinding);
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        if (!pFormat) goto done;
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    }

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    if (pStubDesc->Version >= 0x20000)  /* -Oicf format */
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    {
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        const NDR_PROC_PARTIAL_OIF_HEADER *pOIFHeader =
            (const NDR_PROC_PARTIAL_OIF_HEADER *)pFormat;
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        Oif_flags = pOIFHeader->Oi2Flags;
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        number_of_params = pOIFHeader->number_of_params;

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        pFormat += sizeof(NDR_PROC_PARTIAL_OIF_HEADER);
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        TRACE("Oif_flags = %s\n", debugstr_INTERPRETER_OPT_FLAGS(Oif_flags) );
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        if (Oif_flags.HasExtensions)
        {
            const NDR_PROC_HEADER_EXTS *pExtensions = (const NDR_PROC_HEADER_EXTS *)pFormat;
            ext_flags = pExtensions->Flags2;
            pFormat += pExtensions->Size;
#ifdef __x86_64__
            if (pExtensions->Size > sizeof(*pExtensions) && fpu_stack)
            {
                int i;
                unsigned short fpu_mask = *(unsigned short *)(pExtensions + 1);
                for (i = 0; i < 4; i++, fpu_mask >>= 2)
                    switch (fpu_mask & 3)
                    {
                    case 1: *(float *)&stack_top[i] = *(float *)&fpu_stack[i]; break;
                    case 2: *(double *)&stack_top[i] = *(double *)&fpu_stack[i]; break;
                    }
            }
#endif
        }
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    }
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    else
    {
        pFormat = convert_old_args( &stubMsg, pFormat, stack_size,
                                    pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT,
                                    /* reuse the correlation cache, it's not needed for v1 format */
                                    NdrCorrCache, sizeof(NdrCorrCache), &number_of_params );
    }
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    stubMsg.BufferLength = 0;

    /* store the RPC flags away */
    if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
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        rpcMsg.RpcFlags = ((const NDR_PROC_HEADER_RPC *)pProcHeader)->rpc_flags;
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    /* use alternate memory allocation routines */
    if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCSSALLOC)
        NdrRpcSmSetClientToOsf(&stubMsg);

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    if (Oif_flags.HasPipes)
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    {
        FIXME("pipes not supported yet\n");
        RpcRaiseException(RPC_X_WRONG_STUB_VERSION); /* FIXME: remove when implemented */
        /* init pipes package */
        /* NdrPipesInitialize(...) */
    }
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    if (ext_flags.HasNewCorrDesc)
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    {
        /* initialize extra correlation package */
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        NdrCorrelationInitialize(&stubMsg, NdrCorrCache, sizeof(NdrCorrCache), 0);
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    }

    /* order of phases:
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     * 1. INITOUT - zero [out] parameters (proxies only)
     * 2. CALCSIZE - calculate the buffer size
     * 3. GETBUFFER - allocate the buffer
     * 4. MARSHAL - marshal [in] params into the buffer
     * 5. SENDRECEIVE - send/receive buffer
     * 6. UNMARSHAL - unmarshal [out] params from buffer
     * 7. FREE - clear [out] parameters (for proxies, and only on error)
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     */
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    if ((pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT) ||
        (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_HAS_COMM_OR_FAULT))
743
    {
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        /* 1. INITOUT */
        if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
        {
            TRACE( "INITOUT\n" );
            client_do_args(&stubMsg, pFormat, STUBLESS_INITOUT, fpu_stack,
                           number_of_params, (unsigned char *)&RetVal);
        }

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        __TRY
        {
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            /* 2. CALCSIZE */
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            TRACE( "CALCSIZE\n" );
            client_do_args(&stubMsg, pFormat, STUBLESS_CALCSIZE, fpu_stack,
                           number_of_params, (unsigned char *)&RetVal);

759
            /* 3. GETBUFFER */
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            TRACE( "GETBUFFER\n" );
            if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
            {
                /* allocate the buffer */
                NdrProxyGetBuffer(This, &stubMsg);
            }
            else
767
            {
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                /* allocate the buffer */
                if (Oif_flags.HasPipes)
                    /* NdrGetPipeBuffer(...) */
                    FIXME("pipes not supported yet\n");
                else
773
                {
774
                    if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE)
775
#if 0
776
                        NdrNsGetBuffer(&stubMsg, stubMsg.BufferLength, hBinding);
777
#else
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                    FIXME("using auto handle - call NdrNsGetBuffer when it gets implemented\n");
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#endif
                    else
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                        NdrGetBuffer(&stubMsg, stubMsg.BufferLength, hBinding);
                }
            }

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            /* 4. MARSHAL */
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            TRACE( "MARSHAL\n" );
            client_do_args(&stubMsg, pFormat, STUBLESS_MARSHAL, fpu_stack,
                           number_of_params, (unsigned char *)&RetVal);

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            /* 5. SENDRECEIVE */
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            TRACE( "SENDRECEIVE\n" );
            if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
            {
                /* send the [in] params and receive the [out] and [retval]
                 * params */
                NdrProxySendReceive(This, &stubMsg);
            }
            else
            {
                /* 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)
808
#if 0
809
                        NdrNsSendReceive(&stubMsg, stubMsg.Buffer, pStubDesc->IMPLICIT_HANDLE_INFO.pAutoHandle);
810
#else
811
                    FIXME("using auto handle - call NdrNsSendReceive when it gets implemented\n");
812
#endif
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                    else
                        NdrSendReceive(&stubMsg, stubMsg.Buffer);
815 816
                }
            }
817

818
            /* convert strings, floating point values and endianness into our
819 820 821 822
             * preferred format */
            if ((rpcMsg.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)
                NdrConvert(&stubMsg, pFormat);

823
            /* 6. UNMARSHAL */
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            TRACE( "UNMARSHAL\n" );
            client_do_args(&stubMsg, pFormat, STUBLESS_UNMARSHAL, fpu_stack,
                           number_of_params, (unsigned char *)&RetVal);
827
        }
828
        __EXCEPT_ALL
829
        {
830
            if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
831
            {
832
                /* 7. FREE */
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                TRACE( "FREE\n" );
                client_do_args(&stubMsg, pFormat, STUBLESS_FREE, fpu_stack,
                               number_of_params, (unsigned char *)&RetVal);
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                RetVal = NdrProxyErrorHandler(GetExceptionCode());
837
            }
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            else
            {
                const COMM_FAULT_OFFSETS *comm_fault_offsets = &pStubDesc->CommFaultOffsets[procedure_number];
                ULONG *comm_status;
                ULONG *fault_status;

                TRACE("comm_fault_offsets = {0x%hx, 0x%hx}\n", comm_fault_offsets->CommOffset, comm_fault_offsets->FaultOffset);

                if (comm_fault_offsets->CommOffset == -1)
                    comm_status = (ULONG *)&RetVal;
                else if (comm_fault_offsets->CommOffset >= 0)
                    comm_status = *(ULONG **)ARG_FROM_OFFSET(stubMsg.StackTop, comm_fault_offsets->CommOffset);
                else
                    comm_status = NULL;

                if (comm_fault_offsets->FaultOffset == -1)
                    fault_status = (ULONG *)&RetVal;
                else if (comm_fault_offsets->FaultOffset >= 0)
                    fault_status = *(ULONG **)ARG_FROM_OFFSET(stubMsg.StackTop, comm_fault_offsets->CommOffset);
                else
                    fault_status = NULL;

                NdrMapCommAndFaultStatus(&stubMsg, comm_status, fault_status,
                                         GetExceptionCode());
            }
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        }
        __ENDTRY
    }
    else
867
    {
868
        /* 2. CALCSIZE */
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        TRACE( "CALCSIZE\n" );
        client_do_args(&stubMsg, pFormat, STUBLESS_CALCSIZE, fpu_stack,
                       number_of_params, (unsigned char *)&RetVal);

873
        /* 3. GETBUFFER */
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        TRACE( "GETBUFFER\n" );
        if (Oif_flags.HasPipes)
            /* NdrGetPipeBuffer(...) */
            FIXME("pipes not supported yet\n");
        else
879
        {
880
            if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE)
881
#if 0
882
                NdrNsGetBuffer(&stubMsg, stubMsg.BufferLength, hBinding);
883
#else
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            FIXME("using auto handle - call NdrNsGetBuffer when it gets implemented\n");
885
#endif
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            else
                NdrGetBuffer(&stubMsg, stubMsg.BufferLength, hBinding);
        }

890
        /* 4. MARSHAL */
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        TRACE( "MARSHAL\n" );
        client_do_args(&stubMsg, pFormat, STUBLESS_MARSHAL, fpu_stack,
                       number_of_params, (unsigned char *)&RetVal);

895
        /* 5. SENDRECEIVE */
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        TRACE( "SENDRECEIVE\n" );
        if (Oif_flags.HasPipes)
            /* NdrPipesSendReceive(...) */
            FIXME("pipes not supported yet\n");
        else
        {
            if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE)
903
#if 0
904
                NdrNsSendReceive(&stubMsg, stubMsg.Buffer, pStubDesc->IMPLICIT_HANDLE_INFO.pAutoHandle);
905
#else
906
            FIXME("using auto handle - call NdrNsSendReceive when it gets implemented\n");
907
#endif
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            else
                NdrSendReceive(&stubMsg, stubMsg.Buffer);
        }
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912
        /* convert strings, floating point values and endianness into our
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         * preferred format */
        if ((rpcMsg.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)
            NdrConvert(&stubMsg, pFormat);
916

917
        /* 6. UNMARSHAL */
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        TRACE( "UNMARSHAL\n" );
        client_do_args(&stubMsg, pFormat, STUBLESS_UNMARSHAL, fpu_stack,
                       number_of_params, (unsigned char *)&RetVal);
921 922
    }

923
    if (ext_flags.HasNewCorrDesc)
924 925
    {
        /* free extra correlation package */
926
        NdrCorrelationFree(&stubMsg);
927 928
    }

929
    if (Oif_flags.HasPipes)
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    {
        /* 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
942
    {
943
        NdrFreeBuffer(&stubMsg);
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        client_free_handle(&stubMsg, pProcHeader, pHandleFormat, hBinding);
    }
946

947
done:
948
    TRACE("RetVal = 0x%lx\n", RetVal);
949 950 951
    return RetVal;
}

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#ifdef __x86_64__

__ASM_GLOBAL_FUNC( NdrClientCall2,
                   "movq %r8,0x18(%rsp)\n\t"
                   "movq %r9,0x20(%rsp)\n\t"
                   "leaq 0x18(%rsp),%r8\n\t"
958
                   "xorq %r9,%r9\n\t"
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                   "subq $0x28,%rsp\n\t"
                   __ASM_CFI(".cfi_adjust_cfa_offset 0x28\n\t")
                   "call " __ASM_NAME("ndr_client_call") "\n\t"
                   "addq $0x28,%rsp\n\t"
                   __ASM_CFI(".cfi_adjust_cfa_offset -0x28\n\t")
                   "ret" );

#else  /* __x86_64__ */

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/***********************************************************************
 *            NdrClientCall2 [RPCRT4.@]
 */
CLIENT_CALL_RETURN WINAPIV NdrClientCall2( PMIDL_STUB_DESC desc, PFORMAT_STRING format, ... )
{
    __ms_va_list args;
    LONG_PTR ret;

    __ms_va_start( args, format );
977
    ret = ndr_client_call( desc, format, va_arg( args, void ** ), NULL );
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    __ms_va_end( args );
    return *(CLIENT_CALL_RETURN *)&ret;
980 981
}

982
#endif  /* __x86_64__ */
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Austin English's avatar
Austin English committed
984
/* Calls a function with the specified arguments, restoring the stack
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 * 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
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        pop esi             ; Restore registers
1007
        pop edi
1008
        pop ebp
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        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"
1016 1017 1018 1019
    __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")
1020
    "pushl %edi\n\t"            /* Save registers */
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    __ASM_CFI(".cfi_rel_offset %edi,-4\n\t")
1022
    "pushl %esi\n\t"
1023
    __ASM_CFI(".cfi_rel_offset %esi,-8\n\t")
1024 1025
    "movl 16(%ebp), %eax\n\t"   /* Get stack size */
    "subl %eax, %esp\n\t"       /* Make room in stack for arguments */
1026
    "andl $~15, %esp\n\t"	/* Make sure stack has 16-byte alignment for Mac OS X */
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    "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"
1032
    "rep; movsl\n\t"            /* Copy dword blocks */
1033 1034 1035
    "call *8(%ebp)\n\t"         /* Call function */
    "leal -8(%ebp), %esp\n\t"   /* Restore stack */
    "popl %esi\n\t"             /* Restore registers */
1036
    __ASM_CFI(".cfi_same_value %esi\n\t")
1037
    "popl %edi\n\t"
1038
    __ASM_CFI(".cfi_same_value %edi\n\t")
1039
    "popl %ebp\n\t"
1040 1041 1042
    __ASM_CFI(".cfi_def_cfa %esp,4\n\t")
    __ASM_CFI(".cfi_same_value %ebp\n\t")
    "ret" )
1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084
#elif defined __x86_64__
LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char * args, unsigned int stack_size);
__ASM_GLOBAL_FUNC( call_server_func,
                   "pushq %rbp\n\t"
                   __ASM_CFI(".cfi_adjust_cfa_offset 8\n\t")
                   __ASM_CFI(".cfi_rel_offset %rbp,0\n\t")
                   "movq %rsp,%rbp\n\t"
                   __ASM_CFI(".cfi_def_cfa_register %rbp\n\t")
                   "pushq %rsi\n\t"
                   __ASM_CFI(".cfi_rel_offset %rsi,-8\n\t")
                   "pushq %rdi\n\t"
                   __ASM_CFI(".cfi_rel_offset %rdi,-16\n\t")
                   "movq %rcx,%rax\n\t"   /* function to call */
                   "movq $32,%rcx\n\t"    /* allocate max(32,stack_size) bytes of stack space */
                   "cmpq %rcx,%r8\n\t"
                   "cmovgq %r8,%rcx\n\t"
                   "subq %rcx,%rsp\n\t"
                   "andq $~15,%rsp\n\t"
                   "movq %r8,%rcx\n\t"
                   "shrq $3,%rcx\n\t"
                   "movq %rsp,%rdi\n\t"
                   "movq %rdx,%rsi\n\t"
                   "rep; movsq\n\t"       /* copy arguments */
                   "movq 0(%rsp),%rcx\n\t"
                   "movq 8(%rsp),%rdx\n\t"
                   "movq 16(%rsp),%r8\n\t"
                   "movq 24(%rsp),%r9\n\t"
                   "movq %rcx,%xmm0\n\t"
                   "movq %rdx,%xmm1\n\t"
                   "movq %r8,%xmm2\n\t"
                   "movq %r9,%xmm3\n\t"
                   "callq *%rax\n\t"
                   "leaq -16(%rbp),%rsp\n\t"  /* restore stack */
                   "popq %rdi\n\t"
                   __ASM_CFI(".cfi_same_value %rdi\n\t")
                   "popq %rsi\n\t"
                   __ASM_CFI(".cfi_same_value %rsi\n\t")
                   __ASM_CFI(".cfi_def_cfa_register %rsp\n\t")
                   "popq %rbp\n\t"
                   __ASM_CFI(".cfi_adjust_cfa_offset -8\n\t")
                   __ASM_CFI(".cfi_same_value %rbp\n\t")
                   "ret")
1085 1086 1087
#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)
1088
{
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    FIXME("Not implemented for your architecture\n");
    return 0;
}
#endif

1094
static LONG_PTR *stub_do_args(MIDL_STUB_MESSAGE *pStubMsg,
1095
                              PFORMAT_STRING pFormat, enum stubless_phase phase,
1096 1097
                              unsigned short number_of_params)
{
1098 1099
    const NDR_PARAM_OIF *params = (const NDR_PARAM_OIF *)pFormat;
    unsigned int i;
1100 1101 1102 1103
    LONG_PTR *retval_ptr = NULL;

    for (i = 0; i < number_of_params; i++)
    {
1104
        unsigned char *pArg = pStubMsg->StackTop + params[i].stack_offset;
1105
        const unsigned char *pTypeFormat = &pStubMsg->StubDesc->pFormatTypes[params[i].u.type_offset];
1106

1107 1108 1109 1110
        TRACE("param[%d]: %p -> %p type %02x %s\n", i,
              pArg, *(unsigned char **)pArg,
              params[i].attr.IsBasetype ? params[i].u.type_format_char : *pTypeFormat,
              debugstr_PROC_PF( params[i].attr ));
1111

1112
        switch (phase)
1113
        {
1114 1115 1116 1117 1118 1119
        case STUBLESS_MARSHAL:
            if (params[i].attr.IsOut || params[i].attr.IsReturn)
                call_marshaller(pStubMsg, pArg, &params[i]);
            break;
        case STUBLESS_FREE:
            if (params[i].attr.MustFree)
1120
            {
1121
                call_freer(pStubMsg, pArg, &params[i]);
1122
            }
1123
            else if (params[i].attr.ServerAllocSize)
1124
            {
1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150
                HeapFree(GetProcessHeap(), 0, *(void **)pArg);
            }
            else if (params[i].attr.IsOut &&
                     !params[i].attr.IsIn &&
                     !params[i].attr.IsBasetype &&
                     !params[i].attr.IsByValue)
            {
                if (*pTypeFormat != RPC_FC_BIND_CONTEXT) pStubMsg->pfnFree(*(void **)pArg);
            }
            break;
        case STUBLESS_INITOUT:
            if (!params[i].attr.IsIn &&
                params[i].attr.IsOut &&
                !params[i].attr.IsBasetype &&
                !params[i].attr.ServerAllocSize &&
                !params[i].attr.IsByValue)
            {
                if (*pTypeFormat == RPC_FC_BIND_CONTEXT)
                {
                    NDR_SCONTEXT ctxt = NdrContextHandleInitialize(pStubMsg, pTypeFormat);
                    *(void **)pArg = NDRSContextValue(ctxt);
                }
                else
                {
                    DWORD size = calc_arg_size(pStubMsg, pTypeFormat);
                    if (size)
1151
                    {
1152 1153
                        *(void **)pArg = NdrAllocate(pStubMsg, size);
                        memset(*(void **)pArg, 0, size);
1154
                    }
1155
                }
1156
            }
1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171
            break;
        case STUBLESS_UNMARSHAL:
            if (params[i].attr.ServerAllocSize)
                *(void **)pArg = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
                                           params[i].attr.ServerAllocSize * 8);

            if (params[i].attr.IsIn)
                call_unmarshaller(pStubMsg, &pArg, &params[i], 0);
            break;
        case STUBLESS_CALCSIZE:
            if (params[i].attr.IsOut || params[i].attr.IsReturn)
                call_buffer_sizer(pStubMsg, pArg, &params[i]);
            break;
        default:
            RpcRaiseException(RPC_S_INTERNAL_ERROR);
1172 1173
        }
        TRACE("\tmemory addr (after): %p -> %p\n", pArg, *(unsigned char **)pArg);
1174 1175

        /* make a note of the address of the return value parameter for later */
1176
        if (params[i].attr.IsReturn) retval_ptr = (LONG_PTR *)pArg;
1177 1178 1179 1180
    }
    return retval_ptr;
}

1181 1182 1183 1184 1185 1186 1187 1188 1189
/***********************************************************************
 *            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.
 */
1190
LONG WINAPI NdrStubCall2(
1191 1192 1193
    struct IRpcStubBuffer * pThis,
    struct IRpcChannelBuffer * pChannel,
    PRPC_MESSAGE pRpcMsg,
1194
    DWORD * pdwStubPhase)
1195 1196 1197 1198 1199 1200 1201 1202 1203 1204
{
    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 */
1205
    unsigned int number_of_params;
1206
    /* cache of Oif_flags from v2 procedure header */
1207
    INTERPRETER_OPT_FLAGS Oif_flags = { 0 };
1208 1209
    /* cache of extension flags from NDR_PROC_HEADER_EXTS */
    INTERPRETER_OPT_FLAGS2 ext_flags = { 0 };
1210
    /* the type of pass we are currently doing */
1211
    enum stubless_phase phase;
1212 1213
    /* header for procedure string */
    const NDR_PROC_HEADER *pProcHeader;
1214 1215
    /* location to put retval into */
    LONG_PTR *retval_ptr = NULL;
1216 1217
    /* correlation cache */
    ULONG_PTR NdrCorrCache[256];
1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229

    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];

1230
    TRACE("NDR Version: 0x%x\n", pStubDesc->Version);
1231 1232 1233

    if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
    {
1234 1235
        const NDR_PROC_HEADER_RPC *header_rpc = (const NDR_PROC_HEADER_RPC *)&pFormat[0];
        stack_size = header_rpc->stack_size;
1236
        pFormat += sizeof(NDR_PROC_HEADER_RPC);
1237 1238 1239 1240 1241

    }
    else
    {
        stack_size = pProcHeader->stack_size;
1242
        pFormat += sizeof(NDR_PROC_HEADER);
1243 1244 1245 1246 1247 1248 1249 1250 1251
    }

    TRACE("Oi_flags = 0x%02x\n", pProcHeader->Oi_flags);

    /* binding */
    switch (pProcHeader->handle_type)
    {
    /* explicit binding: parse additional section */
    case RPC_FC_BIND_EXPLICIT:
1252
        switch (*pFormat) /* handle_type */
1253 1254
        {
        case RPC_FC_BIND_PRIMITIVE: /* explicit primitive */
1255
            pFormat += sizeof(NDR_EHD_PRIMITIVE);
1256 1257
            break;
        case RPC_FC_BIND_GENERIC: /* explicit generic */
1258
            pFormat += sizeof(NDR_EHD_GENERIC);
1259 1260
            break;
        case RPC_FC_BIND_CONTEXT: /* explicit context */
1261
            pFormat += sizeof(NDR_EHD_CONTEXT);
1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282
            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);
    }

    if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
        NdrStubInitialize(pRpcMsg, &stubMsg, pStubDesc, pChannel);
    else
        NdrServerInitializeNew(pRpcMsg, &stubMsg, pStubDesc);

1283 1284 1285 1286
    /* create the full pointer translation tables, if requested */
    if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
        stubMsg.FullPtrXlatTables = NdrFullPointerXlatInit(0,XLAT_SERVER);

1287 1288
    /* store the RPC flags away */
    if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
1289
        pRpcMsg->RpcFlags = ((const NDR_PROC_HEADER_RPC *)pProcHeader)->rpc_flags;
1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300

    /* 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

    TRACE("allocating memory for stack of size %x\n", stack_size);

1301 1302
    args = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, stack_size);
    stubMsg.StackTop = args; /* used by conformance of top-level objects */
1303 1304 1305 1306 1307 1308

    /* 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;

1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348
    if (pStubDesc->Version >= 0x20000)  /* -Oicf format */
    {
        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 = %s\n", debugstr_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;
        }

        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;
        }
    }
    else
    {
        pFormat = convert_old_args( &stubMsg, pFormat, stack_size,
                                    pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT,
                                    /* reuse the correlation cache, it's not needed for v1 format */
                                    NdrCorrCache, sizeof(NdrCorrCache), &number_of_params );
    }

1349
    /* convert strings, floating point values and endianness into our
1350 1351 1352 1353
     * preferred format */
    if ((pRpcMsg->DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)
        NdrConvert(&stubMsg, pFormat);

1354
    for (phase = STUBLESS_UNMARSHAL; phase <= STUBLESS_FREE; phase++)
1355 1356 1357 1358 1359 1360
    {
        TRACE("phase = %d\n", phase);
        switch (phase)
        {
        case STUBLESS_CALLSERVER:
            /* call the server function */
1361
            if (pServerInfo->ThunkTable && pServerInfo->ThunkTable[pRpcMsg->ProcNum])
1362 1363
                pServerInfo->ThunkTable[pRpcMsg->ProcNum](&stubMsg);
            else
1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374
            {
                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];
1375

1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386
                /* 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");
            }
1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403

            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);
1404
                stubMsg.Buffer = pRpcMsg->Buffer;
1405 1406 1407
            }
            break;
        case STUBLESS_UNMARSHAL:
1408
        case STUBLESS_INITOUT:
1409
        case STUBLESS_CALCSIZE:
1410
        case STUBLESS_MARSHAL:
1411
        case STUBLESS_FREE:
1412
            retval_ptr = stub_do_args(&stubMsg, pFormat, phase, number_of_params);
1413 1414 1415 1416 1417 1418 1419 1420 1421
            break;
        default:
            ERR("shouldn't reach here. phase %d\n", phase);
            break;
        }
    }

    pRpcMsg->BufferLength = (unsigned int)(stubMsg.Buffer - (unsigned char *)pRpcMsg->Buffer);

1422
    if (ext_flags.HasNewCorrDesc)
1423 1424 1425 1426 1427
    {
        /* free extra correlation package */
        /* NdrCorrelationFree(&stubMsg); */
    }

1428
    if (Oif_flags.HasPipes)
1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442
    {
        /* 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;
}

1443 1444 1445
/***********************************************************************
 *            NdrServerCall2 [RPCRT4.@]
 */
1446 1447 1448 1449
void WINAPI NdrServerCall2(PRPC_MESSAGE pRpcMsg)
{
    DWORD dwPhase;
    NdrStubCall2(NULL, NULL, pRpcMsg, &dwPhase);
1450
}
1451

1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469
/***********************************************************************
 *            NdrStubCall [RPCRT4.@]
 */
LONG WINAPI NdrStubCall( struct IRpcStubBuffer *This, struct IRpcChannelBuffer *channel,
                         PRPC_MESSAGE msg, DWORD *phase )
{
    return NdrStubCall2( This, channel, msg, phase );
}

/***********************************************************************
 *            NdrServerCall [RPCRT4.@]
 */
void WINAPI NdrServerCall( PRPC_MESSAGE msg )
{
    DWORD phase;
    NdrStubCall( NULL, NULL, msg, &phase );
}

1470 1471 1472 1473 1474 1475 1476 1477 1478 1479
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 */
1480
    unsigned int number_of_params;
1481
    /* correlation cache */
1482
    ULONG_PTR NdrCorrCache[256];
1483 1484
};

1485
LONG_PTR CDECL ndr_async_client_call( PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pFormat, void **stack_top )
1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501
{
    /* 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 };
    /* header for procedure string */
    const NDR_PROC_HEADER * pProcHeader = (const NDR_PROC_HEADER *)&pFormat[0];
    /* -Oif or -Oicf generated format */
    BOOL bV2Format = FALSE;
1502
    RPC_STATUS status;
1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521

    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->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)
    {
1522 1523 1524
        const NDR_PROC_HEADER_RPC *header_rpc = (const NDR_PROC_HEADER_RPC *)&pFormat[0];
        async_call_data->stack_size = header_rpc->stack_size;
        procedure_number = header_rpc->proc_num;
1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553
        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 */
    pStubMsg->StackTop = I_RpcAllocate(async_call_data->stack_size);
1554
    memcpy(pStubMsg->StackTop, stack_top, async_call_data->stack_size);
1555 1556 1557 1558 1559 1560

    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);
1561
    if (!pFormat) goto done;
1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574

    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);

1575
        TRACE("Oif_flags = %s\n", debugstr_INTERPRETER_OPT_FLAGS(Oif_flags) );
1576

1577 1578 1579 1580 1581 1582 1583
        if (Oif_flags.HasExtensions)
        {
            const NDR_PROC_HEADER_EXTS *pExtensions =
                (const NDR_PROC_HEADER_EXTS *)pFormat;
            ext_flags = pExtensions->Flags2;
            pFormat += pExtensions->Size;
        }
1584
    }
1585 1586 1587 1588 1589 1590 1591
    else
    {
        pFormat = convert_old_args( pStubMsg, pFormat, async_call_data->stack_size,
                                    pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT,
                                    async_call_data->NdrCorrCache, sizeof(async_call_data->NdrCorrCache),
                                    &async_call_data->number_of_params );
    }
1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618

    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:
1619 1620 1621 1622
     * 1. CALCSIZE - calculate the buffer size
     * 2. GETBUFFER - allocate the buffer
     * 3. MARSHAL - marshal [in] params into the buffer
     * 4. SENDRECEIVE - send buffer
1623
     * Then in NdrpCompleteAsyncClientCall:
1624 1625
     * 1. SENDRECEIVE - receive buffer
     * 2. UNMARSHAL - unmarshal [out] params from buffer
1626
     */
1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637

    /* 1. CALCSIZE */
    TRACE( "CALCSIZE\n" );
    client_do_args(pStubMsg, pFormat, STUBLESS_CALCSIZE, NULL, async_call_data->number_of_params, NULL);

    /* 2. GETBUFFER */
    TRACE( "GETBUFFER\n" );
    if (Oif_flags.HasPipes)
        /* NdrGetPipeBuffer(...) */
        FIXME("pipes not supported yet\n");
    else
1638
    {
1639
        if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE)
1640
#if 0
1641
            NdrNsGetBuffer(pStubMsg, pStubMsg->BufferLength, async_call_data->hBinding);
1642
#else
1643
        FIXME("using auto handle - call NdrNsGetBuffer when it gets implemented\n");
1644
#endif
1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666
        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);

    /* 3. MARSHAL */
    TRACE( "MARSHAL\n" );
    client_do_args(pStubMsg, pFormat, STUBLESS_MARSHAL, NULL, async_call_data->number_of_params, NULL);

    /* 4. SENDRECEIVE */
    TRACE( "SEND\n" );
    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)
1667
#if 0
1668
            NdrNsSend(&stubMsg, stubMsg.Buffer, pStubDesc->IMPLICIT_HANDLE_INFO.pAutoHandle);
1669
#else
1670
        FIXME("using auto handle - call NdrNsSend when it gets implemented\n");
1671
#endif
1672 1673 1674 1675 1676 1677
        else
        {
            pStubMsg->RpcMsg->BufferLength = pStubMsg->Buffer - (unsigned char *)pStubMsg->RpcMsg->Buffer;
            status = I_RpcSend(pStubMsg->RpcMsg);
            if (status != RPC_S_OK)
                RpcRaiseException(status);
1678 1679 1680
        }
    }

1681
done:
1682
    TRACE("returning 0\n");
1683
    return 0;
1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702
}

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;
    /* header for procedure string */
    const NDR_PROC_HEADER * pProcHeader;
    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;

    /* order of phases:
1703 1704 1705 1706
     * 1. CALCSIZE - calculate the buffer size
     * 2. GETBUFFER - allocate the buffer
     * 3. MARSHAL - marshal [in] params into the buffer
     * 4. SENDRECEIVE - send buffer
1707
     * Then in NdrpCompleteAsyncClientCall:
1708 1709
     * 1. SENDRECEIVE - receive buffer
     * 2. UNMARSHAL - unmarshal [out] params from buffer
1710
     */
1711 1712 1713 1714 1715 1716

    /* 1. SENDRECEIVE */
    TRACE( "RECEIVE\n" );
    pStubMsg->RpcMsg->RpcFlags |= RPC_BUFFER_ASYNC;
    /* receive the [out] params */
    if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE)
1717
#if 0
1718
        NdrNsReceive(&stubMsg, stubMsg.Buffer, pStubDesc->IMPLICIT_HANDLE_INFO.pAutoHandle);
1719
#else
1720
    FIXME("using auto handle - call NdrNsReceive when it gets implemented\n");
1721
#endif
1722 1723 1724 1725 1726 1727 1728 1729 1730 1731
    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;
    }
1732

1733
    /* convert strings, floating point values and endianness into our
1734
     * preferred format */
1735
#if 0
1736 1737
    if ((pStubMsg->RpcMsg.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)
        NdrConvert(pStubMsg, pFormat);
1738 1739
#endif

1740 1741 1742 1743
    /* 2. UNMARSHAL */
    TRACE( "UNMARSHAL\n" );
    client_do_args(pStubMsg, async_call_data->pParamFormat, STUBLESS_UNMARSHAL,
                   NULL, async_call_data->number_of_params, Reply);
1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766

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;
}

1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797
#ifdef __x86_64__

__ASM_GLOBAL_FUNC( NdrAsyncClientCall,
                   "movq %r8,0x18(%rsp)\n\t"
                   "movq %r9,0x20(%rsp)\n\t"
                   "leaq 0x18(%rsp),%r8\n\t"
                   "subq $0x28,%rsp\n\t"
                   __ASM_CFI(".cfi_adjust_cfa_offset 0x28\n\t")
                   "call " __ASM_NAME("ndr_async_client_call") "\n\t"
                   "addq $0x28,%rsp\n\t"
                   __ASM_CFI(".cfi_adjust_cfa_offset -0x28\n\t")
                   "ret" );

#else  /* __x86_64__ */

/***********************************************************************
 *            NdrAsyncClientCall [RPCRT4.@]
 */
CLIENT_CALL_RETURN WINAPIV NdrAsyncClientCall( PMIDL_STUB_DESC desc, PFORMAT_STRING format, ... )
{
    __ms_va_list args;
    LONG_PTR ret;

    __ms_va_start( args, format );
    ret = ndr_async_client_call( desc, format, va_arg( args, void ** ));
    __ms_va_end( args );
    return *(CLIENT_CALL_RETURN *)&ret;
}

#endif  /* __x86_64__ */

1798 1799 1800 1801 1802 1803 1804
RPCRTAPI LONG RPC_ENTRY NdrAsyncStubCall(struct IRpcStubBuffer* pThis,
    struct IRpcChannelBuffer* pChannel, PRPC_MESSAGE pRpcMsg,
    DWORD * pdwStubPhase)
{
    FIXME("unimplemented, expect crash!\n");
    return 0;
}