moniker.c 48 KB
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/*
 *	Monikers
 *
 *	Copyright 1998	Marcus Meissner
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 *      Copyright 1999  Noomen Hamza
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 *      Copyright 2005  Robert Shearman (for CodeWeavers)
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 *      Copyright 2007  Robert Shearman
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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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 */

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

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#include <stdarg.h>
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#include <string.h>
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#define COBJMACROS

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#include "winerror.h"
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "wtypes.h"
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#include "ole2.h"
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#include "wine/list.h"
#include "wine/debug.h"
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#include "wine/unicode.h"
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#include "wine/exception.h"
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#include "compobj_private.h"
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#include "moniker.h"
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#include "irot.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ole);
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/* see MSDN docs for IROTData::GetComparisonData, which states what this
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 * constant is
 */
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#define MAX_COMPARISON_DATA 2048

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static LONG WINAPI rpc_filter(EXCEPTION_POINTERS *eptr)
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{
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    return I_RpcExceptionFilter(eptr->ExceptionRecord->ExceptionCode);
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}

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/* define the structure of the running object table elements */
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struct rot_entry
{
    struct list        entry;
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    InterfaceData* object; /* marshaled running object*/
    MonikerComparisonData* moniker_data; /* moniker comparison data that identifies this object */
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    DWORD              cookie; /* cookie identifying this object */
    FILETIME           last_modified;
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    IrotContextHandle  ctxt_handle;
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};
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/* define the RunningObjectTableImpl structure */
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typedef struct RunningObjectTableImpl
{
    const IRunningObjectTableVtbl *lpVtbl;
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    LONG ref;
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    struct list rot; /* list of ROT entries */
    CRITICAL_SECTION lock;
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} RunningObjectTableImpl;

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static RunningObjectTableImpl* runningObjectTableInstance = NULL;
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static IrotHandle irot_handle;
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/* define the EnumMonikerImpl structure */
typedef struct EnumMonikerImpl
{
    const IEnumMonikerVtbl *lpVtbl;
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    LONG ref;
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    InterfaceList *moniker_list;
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    ULONG pos;
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} EnumMonikerImpl;


/* IEnumMoniker Local functions*/
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static HRESULT EnumMonikerImpl_CreateEnumROTMoniker(InterfaceList *moniker_list,
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    ULONG pos, IEnumMoniker **ppenumMoniker);
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static IrotHandle get_irot_handle(void)
{
    if (!irot_handle)
    {
        RPC_STATUS status;
        RPC_WSTR binding;
        IrotHandle new_handle;
        unsigned short ncacn_np[] = IROT_PROTSEQ;
        unsigned short endpoint[] = IROT_ENDPOINT;
        status = RpcStringBindingComposeW(NULL, ncacn_np, NULL, endpoint, NULL, &binding);
        if (status == RPC_S_OK)
        {
            status = RpcBindingFromStringBindingW(binding, &new_handle);
            RpcStringFreeW(&binding);
        }
        if (status != RPC_S_OK)
            return NULL;
        if (InterlockedCompareExchangePointer(&irot_handle, new_handle, NULL))
            /* another thread beat us to it */
            RpcBindingFree(&new_handle);
    }
    return irot_handle;
}

static BOOL start_rpcss(void)
{
    PROCESS_INFORMATION pi;
    STARTUPINFOW si;
    static WCHAR cmd[6];
    static const WCHAR rpcss[] = {'r','p','c','s','s',0};
    BOOL rslt;

    TRACE("\n");

    ZeroMemory(&pi, sizeof(PROCESS_INFORMATION));
    ZeroMemory(&si, sizeof(STARTUPINFOA));
    si.cb = sizeof(STARTUPINFOA);

    memcpy(cmd, rpcss, sizeof(rpcss));

    rslt = CreateProcessW(
                          NULL,           /* executable */
                          cmd,            /* command line */
                          NULL,           /* process security attributes */
                          NULL,           /* primary thread security attributes */
                          FALSE,          /* inherit handles */
                          0,              /* creation flags */
                          NULL,           /* use parent's environment */
                          NULL,           /* use parent's current directory */
                          &si,            /* STARTUPINFO pointer */
                          &pi             /* PROCESS_INFORMATION */
                          );

    if (rslt)
    {
        CloseHandle(pi.hProcess);
        CloseHandle(pi.hThread);
        Sleep(100);
    }

    return rslt;
}

static HRESULT create_stream_on_mip_ro(const InterfaceData *mip, IStream **stream)
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{
    HGLOBAL hglobal = GlobalAlloc(0, mip->ulCntData);
    void *pv = GlobalLock(hglobal);
    memcpy(pv, mip->abData, mip->ulCntData);
    GlobalUnlock(hglobal);
    return CreateStreamOnHGlobal(hglobal, TRUE, stream);
}

static inline void rot_entry_delete(struct rot_entry *rot_entry)
{
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    if (rot_entry->cookie)
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    {
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        InterfaceData *object = NULL;
        InterfaceData *moniker = NULL;
        __TRY
        {
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            IrotRevoke(get_irot_handle(), rot_entry->cookie,
                       &rot_entry->ctxt_handle, &object, &moniker);
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        }
        __EXCEPT(rpc_filter)
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        {
        }
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        __ENDTRY
        MIDL_user_free(object);
        if (moniker)
        {
            IStream *stream;
            HRESULT hr;
            hr = create_stream_on_mip_ro(moniker, &stream);
            if (hr == S_OK)
            {
                CoReleaseMarshalData(stream);
                IUnknown_Release(stream);
            }
        }
        MIDL_user_free(moniker);
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    }
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    if (rot_entry->object)
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    {
        IStream *stream;
        HRESULT hr;
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        hr = create_stream_on_mip_ro(rot_entry->object, &stream);
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        if (hr == S_OK)
        {
            CoReleaseMarshalData(stream);
            IUnknown_Release(stream);
        }
    }
    HeapFree(GetProcessHeap(), 0, rot_entry->object);
    HeapFree(GetProcessHeap(), 0, rot_entry->moniker_data);
    HeapFree(GetProcessHeap(), 0, rot_entry);
}

/* moniker_data must be freed with HeapFree when no longer in use */
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static HRESULT get_moniker_comparison_data(IMoniker *pMoniker, MonikerComparisonData **moniker_data)
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{
    HRESULT hr;
    IROTData *pROTData = NULL;
    hr = IMoniker_QueryInterface(pMoniker, &IID_IROTData, (void *)&pROTData);
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    if (SUCCEEDED(hr))
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    {
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        ULONG size = MAX_COMPARISON_DATA;
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        *moniker_data = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(MonikerComparisonData, abData[size]));
        if (!*moniker_data)
        {
            IROTData_Release(pROTData);
            return E_OUTOFMEMORY;
        }
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        hr = IROTData_GetComparisonData(pROTData, (*moniker_data)->abData, size, &size);
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        IROTData_Release(pROTData);
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        if (hr != S_OK)
        {
            ERR("Failed to copy comparison data into buffer, hr = 0x%08x\n", hr);
            HeapFree(GetProcessHeap(), 0, *moniker_data);
            return hr;
        }
        (*moniker_data)->ulCntData = size;
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    }
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    else
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    {
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        IBindCtx *pbc;
        LPOLESTR pszDisplayName;
        CLSID clsid;
        int len;

        TRACE("generating comparison data from display name\n");

        hr = CreateBindCtx(0, &pbc);
        if (FAILED(hr))
            return hr;
        hr = IMoniker_GetDisplayName(pMoniker, pbc, NULL, &pszDisplayName);
        IBindCtx_Release(pbc);
        if (FAILED(hr))
            return hr;
        hr = IMoniker_GetClassID(pMoniker, &clsid);
        if (FAILED(hr))
        {
            CoTaskMemFree(pszDisplayName);
            return hr;
        }

        len = strlenW(pszDisplayName);
        *moniker_data = HeapAlloc(GetProcessHeap(), 0,
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            FIELD_OFFSET(MonikerComparisonData, abData[sizeof(CLSID) + (len+1)*sizeof(WCHAR)]));
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        if (!*moniker_data)
        {
            CoTaskMemFree(pszDisplayName);
            return E_OUTOFMEMORY;
        }
        (*moniker_data)->ulCntData = sizeof(CLSID) + (len+1)*sizeof(WCHAR);

        memcpy(&(*moniker_data)->abData[0], &clsid, sizeof(clsid));
        memcpy(&(*moniker_data)->abData[sizeof(clsid)], pszDisplayName, (len+1)*sizeof(WCHAR));
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        CoTaskMemFree(pszDisplayName);
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    }
    return S_OK;
}

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static HRESULT reduce_moniker(IMoniker *pmk, IBindCtx *pbc, IMoniker **pmkReduced)
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{
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    IBindCtx *pbcNew = NULL;
    HRESULT hr;
    if (!pbc)
    {
        hr = CreateBindCtx(0, &pbcNew);
        if (FAILED(hr))
            return hr;
        pbc = pbcNew;
    }
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    hr = IMoniker_Reduce(pmk, pbc, MKRREDUCE_ALL, NULL, pmkReduced);
    if (FAILED(hr))
        ERR("reducing moniker failed with error 0x%08x\n", hr);
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    if (pbcNew) IBindCtx_Release(pbcNew);
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    return hr;
}

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/***********************************************************************
 *        RunningObjectTable_QueryInterface
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 */
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static HRESULT WINAPI
RunningObjectTableImpl_QueryInterface(IRunningObjectTable* iface,
                                      REFIID riid,void** ppvObject)
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{
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    RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
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    TRACE("(%p,%p,%p)\n",This,riid,ppvObject);
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    /* validate arguments */
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    if (ppvObject==0)
        return E_INVALIDARG;

    *ppvObject = 0;

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    if (IsEqualIID(&IID_IUnknown, riid) ||
        IsEqualIID(&IID_IRunningObjectTable, riid))
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        *ppvObject = This;
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    if ((*ppvObject)==0)
        return E_NOINTERFACE;

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    IRunningObjectTable_AddRef(iface);
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    return S_OK;
}

/***********************************************************************
 *        RunningObjectTable_AddRef
 */
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static ULONG WINAPI
RunningObjectTableImpl_AddRef(IRunningObjectTable* iface)
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{
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    RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
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    TRACE("(%p)\n",This);
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    return InterlockedIncrement(&This->ref);
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}

/***********************************************************************
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 *        RunningObjectTable_Destroy
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 */
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static HRESULT
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RunningObjectTableImpl_Destroy(void)
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{
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    struct list *cursor, *cursor2;
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    IrotHandle old_handle;
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    TRACE("()\n");
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    if (runningObjectTableInstance==NULL)
        return E_INVALIDARG;

    /* free the ROT table memory */
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    LIST_FOR_EACH_SAFE(cursor, cursor2, &runningObjectTableInstance->rot)
    {
        struct rot_entry *rot_entry = LIST_ENTRY(cursor, struct rot_entry, entry);
        list_remove(&rot_entry->entry);
        rot_entry_delete(rot_entry);
    }
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    DEBUG_CLEAR_CRITSEC_NAME(&runningObjectTableInstance->lock);
    DeleteCriticalSection(&runningObjectTableInstance->lock);

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    /* free the ROT structure memory */
    HeapFree(GetProcessHeap(),0,runningObjectTableInstance);
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    runningObjectTableInstance = NULL;
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    old_handle = irot_handle;
    irot_handle = NULL;
    if (old_handle)
        RpcBindingFree(&old_handle);

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    return S_OK;
}

/***********************************************************************
 *        RunningObjectTable_Release
 */
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static ULONG WINAPI
RunningObjectTableImpl_Release(IRunningObjectTable* iface)
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{
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    RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
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    ULONG ref;
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    TRACE("(%p)\n",This);
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    ref = InterlockedDecrement(&This->ref);
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    /* uninitialize ROT structure if there's no more references to it */
    if (ref == 0)
    {
        struct list *cursor, *cursor2;
        LIST_FOR_EACH_SAFE(cursor, cursor2, &This->rot)
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        {
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            struct rot_entry *rot_entry = LIST_ENTRY(cursor, struct rot_entry, entry);
            list_remove(&rot_entry->entry);
            rot_entry_delete(rot_entry);
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        }
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        /*  RunningObjectTable data structure will be not destroyed here ! the destruction will be done only
         *  when RunningObjectTableImpl_UnInitialize function is called
         */
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    }

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    return ref;
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}

/***********************************************************************
 *        RunningObjectTable_Register
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 *
 * PARAMS
 * grfFlags       [in] Registration options 
 * punkObject     [in] the object being registered
 * pmkObjectName  [in] the moniker of the object being registered
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 * pdwRegister    [out] the value identifying the registration
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 */
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static HRESULT WINAPI
RunningObjectTableImpl_Register(IRunningObjectTable* iface, DWORD grfFlags,
               IUnknown *punkObject, IMoniker *pmkObjectName, DWORD *pdwRegister)
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{
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    RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
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    struct rot_entry *rot_entry;
    HRESULT hr = S_OK;
    IStream *pStream = NULL;
    DWORD mshlflags;
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    IBindCtx *pbc;
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    InterfaceData *moniker = NULL;
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    TRACE("(%p,%d,%p,%p,%p)\n",This,grfFlags,punkObject,pmkObjectName,pdwRegister);
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    if (grfFlags & ~(ROTFLAGS_REGISTRATIONKEEPSALIVE|ROTFLAGS_ALLOWANYCLIENT))
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    {
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        ERR("Invalid grfFlags: 0x%08x\n", grfFlags & ~(ROTFLAGS_REGISTRATIONKEEPSALIVE|ROTFLAGS_ALLOWANYCLIENT));
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        return E_INVALIDARG;
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    }
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    if (punkObject==NULL || pmkObjectName==NULL || pdwRegister==NULL)
        return E_INVALIDARG;

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    rot_entry = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*rot_entry));
    if (!rot_entry)
        return E_OUTOFMEMORY;
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    /* marshal object */
    hr = CreateStreamOnHGlobal(NULL, TRUE, &pStream);
    if (hr != S_OK)
    {
        rot_entry_delete(rot_entry);
        return hr;
    }
    mshlflags = (grfFlags & ROTFLAGS_REGISTRATIONKEEPSALIVE) ? MSHLFLAGS_TABLESTRONG : MSHLFLAGS_TABLEWEAK;
    hr = CoMarshalInterface(pStream, &IID_IUnknown, punkObject, MSHCTX_LOCAL | MSHCTX_NOSHAREDMEM, NULL, mshlflags);
    /* FIXME: a cleaner way would be to create an IStream class that writes
     * directly to an MInterfacePointer */
    if (hr == S_OK)
    {
        HGLOBAL hglobal;
        hr = GetHGlobalFromStream(pStream, &hglobal);
        if (hr == S_OK)
        {
            SIZE_T size = GlobalSize(hglobal);
            const void *pv = GlobalLock(hglobal);
            rot_entry->object = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(MInterfacePointer, abData[size]));
            rot_entry->object->ulCntData = size;
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            memcpy(rot_entry->object->abData, pv, size);
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            GlobalUnlock(hglobal);
        }
    }
    IStream_Release(pStream);
    if (hr != S_OK)
    {
        rot_entry_delete(rot_entry);
        return hr;
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    }
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    hr = CreateBindCtx(0, &pbc);
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    if (FAILED(hr))
    {
        rot_entry_delete(rot_entry);
        return hr;
    }

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    hr = reduce_moniker(pmkObjectName, pbc, &pmkObjectName);
    if (FAILED(hr))
    {
        rot_entry_delete(rot_entry);
        IBindCtx_Release(pbc);
        return hr;
    }

    hr = IMoniker_GetTimeOfLastChange(pmkObjectName, pbc, NULL,
                                      &rot_entry->last_modified);
    IBindCtx_Release(pbc);
    if (FAILED(hr))
    {
        CoFileTimeNow(&rot_entry->last_modified);
        hr = S_OK;
    }

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    hr = get_moniker_comparison_data(pmkObjectName,
                                     &rot_entry->moniker_data);
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    if (hr != S_OK)
    {
        rot_entry_delete(rot_entry);
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        IMoniker_Release(pmkObjectName);
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        return hr;
    }
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    hr = CreateStreamOnHGlobal(NULL, TRUE, &pStream);
    if (hr != S_OK)
    {
        rot_entry_delete(rot_entry);
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        IMoniker_Release(pmkObjectName);
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        return hr;
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    }
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    /* marshal moniker */
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    hr = CoMarshalInterface(pStream, &IID_IMoniker, (IUnknown *)pmkObjectName,
                            MSHCTX_LOCAL | MSHCTX_NOSHAREDMEM, NULL, MSHLFLAGS_TABLESTRONG);
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    /* FIXME: a cleaner way would be to create an IStream class that writes
     * directly to an MInterfacePointer */
    if (hr == S_OK)
    {
        HGLOBAL hglobal;
        hr = GetHGlobalFromStream(pStream, &hglobal);
        if (hr == S_OK)
        {
            SIZE_T size = GlobalSize(hglobal);
            const void *pv = GlobalLock(hglobal);
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            moniker = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(InterfaceData, abData[size]));
            moniker->ulCntData = size;
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            memcpy(moniker->abData, pv, size);
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            GlobalUnlock(hglobal);
        }
    }
    IStream_Release(pStream);
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    IMoniker_Release(pmkObjectName);
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    if (hr != S_OK)
    {
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        HeapFree(GetProcessHeap(), 0, moniker);
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        rot_entry_delete(rot_entry);
        return hr;
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    }
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    while (TRUE)
    {
        __TRY
        {
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            hr = IrotRegister(get_irot_handle(), rot_entry->moniker_data,
                              rot_entry->object, moniker,
                              &rot_entry->last_modified, grfFlags,
                              &rot_entry->cookie, &rot_entry->ctxt_handle);
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        }
        __EXCEPT(rpc_filter)
        {
            hr = HRESULT_FROM_WIN32(GetExceptionCode());
        }
        __ENDTRY
        if (hr == HRESULT_FROM_WIN32(RPC_S_SERVER_UNAVAILABLE))
        {
            if (start_rpcss())
                continue;
        }
        break;
    }
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    HeapFree(GetProcessHeap(), 0, moniker);
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    if (FAILED(hr))
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    {
        rot_entry_delete(rot_entry);
        return hr;
    }

    /* gives a registration identifier to the registered object*/
    *pdwRegister = rot_entry->cookie;

    EnterCriticalSection(&This->lock);
    list_add_tail(&This->rot, &rot_entry->entry);
    LeaveCriticalSection(&This->lock);

    return hr;
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}

/***********************************************************************
 *        RunningObjectTable_Revoke
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 *
 * PARAMS
 *  dwRegister [in] Value identifying registration to be revoked
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 */
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static HRESULT WINAPI
RunningObjectTableImpl_Revoke( IRunningObjectTable* iface, DWORD dwRegister) 
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{
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    RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
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    struct rot_entry *rot_entry;
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    TRACE("(%p,%d)\n",This,dwRegister);
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    EnterCriticalSection(&This->lock);
    LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, struct rot_entry, entry)
    {
        if (rot_entry->cookie == dwRegister)
        {
            list_remove(&rot_entry->entry);
            LeaveCriticalSection(&This->lock);
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            rot_entry_delete(rot_entry);
            return S_OK;
        }
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    }
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    LeaveCriticalSection(&This->lock);
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    return E_INVALIDARG;
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}
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/***********************************************************************
 *        RunningObjectTable_IsRunning
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 *
 * PARAMS
 *  pmkObjectName [in]  moniker of the object whose status is desired 
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 */
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static HRESULT WINAPI
RunningObjectTableImpl_IsRunning( IRunningObjectTable* iface, IMoniker *pmkObjectName)
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{
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    RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
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    MonikerComparisonData *moniker_data;
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    HRESULT hr;
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    const struct rot_entry *rot_entry;
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    TRACE("(%p,%p)\n",This,pmkObjectName);
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    hr = reduce_moniker(pmkObjectName, NULL, &pmkObjectName);
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    if (FAILED(hr))
        return hr;
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    hr = get_moniker_comparison_data(pmkObjectName, &moniker_data);
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    IMoniker_Release(pmkObjectName);
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    if (hr != S_OK)
        return hr;

    hr = S_FALSE;
    EnterCriticalSection(&This->lock);
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    LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, const struct rot_entry, entry)
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    {
        if ((rot_entry->moniker_data->ulCntData == moniker_data->ulCntData) &&
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            !memcmp(moniker_data->abData, rot_entry->moniker_data->abData, moniker_data->ulCntData))
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        {
            hr = S_OK;
            break;
        }
    }
    LeaveCriticalSection(&This->lock);

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    if (hr == S_FALSE)
    {
        while (TRUE)
        {
            __TRY
            {
                hr = IrotIsRunning(get_irot_handle(), moniker_data);
            }
            __EXCEPT(rpc_filter)
            {
                hr = HRESULT_FROM_WIN32(GetExceptionCode());
            }
            __ENDTRY
            if (hr == HRESULT_FROM_WIN32(RPC_S_SERVER_UNAVAILABLE))
            {
                if (start_rpcss())
                    continue;
            }
            break;
        }
    }
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    HeapFree(GetProcessHeap(), 0, moniker_data);

    return hr;
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}

/***********************************************************************
 *        RunningObjectTable_GetObject
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 *
 * PARAMS
 * pmkObjectName [in] Pointer to the moniker on the object 
 * ppunkObject   [out] variable that receives the IUnknown interface pointer
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 */
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static HRESULT WINAPI
RunningObjectTableImpl_GetObject( IRunningObjectTable* iface,
                     IMoniker *pmkObjectName, IUnknown **ppunkObject)
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{
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    RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
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    MonikerComparisonData *moniker_data;
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    InterfaceData *object = NULL;
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    IrotCookie cookie;
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    HRESULT hr;
    struct rot_entry *rot_entry;
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    TRACE("(%p,%p,%p)\n",This,pmkObjectName,ppunkObject);
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    if (ppunkObject == NULL)
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        return E_POINTER;
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    *ppunkObject = NULL;
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    hr = reduce_moniker(pmkObjectName, NULL, &pmkObjectName);
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    if (FAILED(hr))
        return hr;
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    hr = get_moniker_comparison_data(pmkObjectName, &moniker_data);
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    IMoniker_Release(pmkObjectName);
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    if (hr != S_OK)
        return hr;

    EnterCriticalSection(&This->lock);
    LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, struct rot_entry, entry)
    {
        if ((rot_entry->moniker_data->ulCntData == moniker_data->ulCntData) &&
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            !memcmp(moniker_data->abData, rot_entry->moniker_data->abData, moniker_data->ulCntData))
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        {
            IStream *pStream;
            hr = create_stream_on_mip_ro(rot_entry->object, &pStream);
            if (hr == S_OK)
            {
                hr = CoUnmarshalInterface(pStream, &IID_IUnknown, (void **)ppunkObject);
                IStream_Release(pStream);
            }

            LeaveCriticalSection(&This->lock);
            HeapFree(GetProcessHeap(), 0, moniker_data);

            return hr;
        }
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    }
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    LeaveCriticalSection(&This->lock);
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    TRACE("moniker unavailable locally, calling SCM\n");

    while (TRUE)
    {
        __TRY
        {
            hr = IrotGetObject(get_irot_handle(), moniker_data, &object, &cookie);
        }
        __EXCEPT(rpc_filter)
        {
            hr = HRESULT_FROM_WIN32(GetExceptionCode());
        }
        __ENDTRY
        if (hr == HRESULT_FROM_WIN32(RPC_S_SERVER_UNAVAILABLE))
        {
            if (start_rpcss())
                continue;
        }
        break;
    }

    if (SUCCEEDED(hr))
    {
        IStream *pStream;
        hr = create_stream_on_mip_ro(object, &pStream);
        if (hr == S_OK)
        {
            hr = CoUnmarshalInterface(pStream, &IID_IUnknown, (void **)ppunkObject);
            IStream_Release(pStream);
        }
    }
    else
        WARN("Moniker unavailable, IrotGetObject returned 0x%08x\n", hr);
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    HeapFree(GetProcessHeap(), 0, moniker_data);

    return hr;
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}
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/***********************************************************************
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 *        RunningObjectTable_NoteChangeTime
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 *
 * PARAMS
 *  dwRegister [in] Value identifying registration being updated
 *  pfiletime  [in] Pointer to structure containing object's last change time
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 */
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static HRESULT WINAPI
RunningObjectTableImpl_NoteChangeTime(IRunningObjectTable* iface,
                                      DWORD dwRegister, FILETIME *pfiletime)
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{
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    RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
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    struct rot_entry *rot_entry;
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    HRESULT hr = E_INVALIDARG;
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    TRACE("(%p,%d,%p)\n",This,dwRegister,pfiletime);
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    EnterCriticalSection(&This->lock);
    LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, struct rot_entry, entry)
    {
        if (rot_entry->cookie == dwRegister)
        {
            rot_entry->last_modified = *pfiletime;
            LeaveCriticalSection(&This->lock);
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            while (TRUE)
            {
                __TRY
                {
                    hr = IrotNoteChangeTime(get_irot_handle(), dwRegister, pfiletime);
                }
                __EXCEPT(rpc_filter)
                {
                    hr = HRESULT_FROM_WIN32(GetExceptionCode());
                }
                __ENDTRY
                if (hr == HRESULT_FROM_WIN32(RPC_S_SERVER_UNAVAILABLE))
                {
                    if (start_rpcss())
                        continue;
                }
                break;
            }
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            goto done;
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        }
    }
    LeaveCriticalSection(&This->lock);
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done:
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    TRACE("-- 0x08%x\n", hr);
    return hr;
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}
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/***********************************************************************
 *        RunningObjectTable_GetTimeOfLastChange
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 *
 * PARAMS
 *  pmkObjectName  [in]  moniker of the object whose status is desired 
 *  pfiletime      [out] structure that receives object's last change time
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 */
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static HRESULT WINAPI
RunningObjectTableImpl_GetTimeOfLastChange(IRunningObjectTable* iface,
                            IMoniker *pmkObjectName, FILETIME *pfiletime)
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{
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    HRESULT hr = MK_E_UNAVAILABLE;
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    RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
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    MonikerComparisonData *moniker_data;
    const struct rot_entry *rot_entry;
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    TRACE("(%p,%p,%p)\n",This,pmkObjectName,pfiletime);
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    if (pmkObjectName==NULL || pfiletime==NULL)
        return E_INVALIDARG;

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    hr = reduce_moniker(pmkObjectName, NULL, &pmkObjectName);
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    if (FAILED(hr))
        return hr;
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    hr = get_moniker_comparison_data(pmkObjectName, &moniker_data);
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    IMoniker_Release(pmkObjectName);
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    if (hr != S_OK)
        return hr;
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    hr = MK_E_UNAVAILABLE;
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    EnterCriticalSection(&This->lock);
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    LIST_FOR_EACH_ENTRY(rot_entry, &This->rot, const struct rot_entry, entry)
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    {
        if ((rot_entry->moniker_data->ulCntData == moniker_data->ulCntData) &&
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            !memcmp(moniker_data->abData, rot_entry->moniker_data->abData, moniker_data->ulCntData))
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        {
            *pfiletime = rot_entry->last_modified;
            hr = S_OK;
            break;
        }
    }
    LeaveCriticalSection(&This->lock);

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    if (hr != S_OK)
    {
        while (TRUE)
        {
            __TRY
            {
                hr = IrotGetTimeOfLastChange(get_irot_handle(), moniker_data, pfiletime);
            }
            __EXCEPT(rpc_filter)
            {
                hr = HRESULT_FROM_WIN32(GetExceptionCode());
            }
            __ENDTRY
            if (hr == HRESULT_FROM_WIN32(RPC_S_SERVER_UNAVAILABLE))
            {
                if (start_rpcss())
                    continue;
            }
            break;
        }
    }
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    HeapFree(GetProcessHeap(), 0, moniker_data);
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    TRACE("-- 0x%08x\n", hr);
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    return hr;
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}

/***********************************************************************
 *        RunningObjectTable_EnumRunning
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 *
 * PARAMS
 *  ppenumMoniker  [out]  receives the IEnumMoniker interface pointer 
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 */
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static HRESULT WINAPI
RunningObjectTableImpl_EnumRunning(IRunningObjectTable* iface,
                                   IEnumMoniker **ppenumMoniker)
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{
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    RunningObjectTableImpl *This = (RunningObjectTableImpl *)iface;
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    InterfaceList *interface_list = NULL;
    HRESULT hr;
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    TRACE("(%p, %p)\n", This, ppenumMoniker);
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    *ppenumMoniker = NULL;
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    while (TRUE)
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    {
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        __TRY
        {
            hr = IrotEnumRunning(get_irot_handle(), &interface_list);
        }
        __EXCEPT(rpc_filter)
        {
            hr = HRESULT_FROM_WIN32(GetExceptionCode());
        }
        __ENDTRY
        if (hr == HRESULT_FROM_WIN32(RPC_S_SERVER_UNAVAILABLE))
        {
            if (start_rpcss())
                continue;
        }
        break;
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    }
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    if (SUCCEEDED(hr))
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        hr = EnumMonikerImpl_CreateEnumROTMoniker(interface_list,
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                                                  0, ppenumMoniker);
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    return hr;
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}

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/* Virtual function table for the IRunningObjectTable class. */
static const IRunningObjectTableVtbl VT_RunningObjectTableImpl =
{
    RunningObjectTableImpl_QueryInterface,
    RunningObjectTableImpl_AddRef,
    RunningObjectTableImpl_Release,
    RunningObjectTableImpl_Register,
    RunningObjectTableImpl_Revoke,
    RunningObjectTableImpl_IsRunning,
    RunningObjectTableImpl_GetObject,
    RunningObjectTableImpl_NoteChangeTime,
    RunningObjectTableImpl_GetTimeOfLastChange,
    RunningObjectTableImpl_EnumRunning
};

/***********************************************************************
 *        RunningObjectTable_Initialize
 */
HRESULT WINAPI RunningObjectTableImpl_Initialize(void)
{
    TRACE("\n");

    /* create the unique instance of the RunningObjectTableImpl structure */
    runningObjectTableInstance = HeapAlloc(GetProcessHeap(), 0, sizeof(RunningObjectTableImpl));

    if (!runningObjectTableInstance)
        return E_OUTOFMEMORY;

    /* initialize the virtual table function */
    runningObjectTableInstance->lpVtbl = &VT_RunningObjectTableImpl;

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    /* the initial reference is set to "1" so that it isn't destroyed after its
     * first use until the process is destroyed, as the running object table is
     * a process-wide cache of a global table */
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    runningObjectTableInstance->ref = 1;

    list_init(&runningObjectTableInstance->rot);
    InitializeCriticalSection(&runningObjectTableInstance->lock);
    DEBUG_SET_CRITSEC_NAME(&runningObjectTableInstance->lock, "RunningObjectTableImpl.lock");

    return S_OK;
}

/***********************************************************************
 *        RunningObjectTable_UnInitialize
 */
HRESULT WINAPI RunningObjectTableImpl_UnInitialize(void)
{
    TRACE("\n");

    if (runningObjectTableInstance==NULL)
        return E_POINTER;

    RunningObjectTableImpl_Release((IRunningObjectTable*)runningObjectTableInstance);

    RunningObjectTableImpl_Destroy();

    return S_OK;
}

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/***********************************************************************
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 *           GetRunningObjectTable (OLE32.@)
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 *
 * Retrieves the global running object table.
 *
 * PARAMS
 *  reserved [I] Reserved. Set to 0.
 *  pprot    [O] Address that receives the pointer to the running object table.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: Any HRESULT code.
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 */
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HRESULT WINAPI
GetRunningObjectTable(DWORD reserved, LPRUNNINGOBJECTTABLE *pprot)
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{
    IID riid=IID_IRunningObjectTable;
    HRESULT res;

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    TRACE("()\n");
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    if (reserved!=0)
        return E_UNEXPECTED;

    if(runningObjectTableInstance==NULL)
        return CO_E_NOTINITIALIZED;

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    res = IRunningObjectTable_QueryInterface((IRunningObjectTable*)runningObjectTableInstance,&riid,(void**)pprot);
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    return res;
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}
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static HRESULT get_moniker_for_progid_display_name(LPBC pbc,
                                                   LPCOLESTR szDisplayName,
                                                   LPDWORD pchEaten,
                                                   LPMONIKER *ppmk)
{
    CLSID clsid;
    HRESULT hr;
    LPWSTR progid;
    LPCWSTR start = szDisplayName;
    LPCWSTR end;
    int len;
    IMoniker *class_moniker;

    if (*start == '@')
        start++;

    /* find end delimiter */
    for (end = start; *end; end++)
        if (*end == ':')
            break;

    len = end - start;

    /* must start with '@' or have a ':' somewhere and mustn't be one character
     * long (since that looks like an absolute path) */
    if (((start == szDisplayName) && (*end == '\0')) || (len <= 1))
        return MK_E_SYNTAX;

    progid = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
    if (progid)
    {
        memcpy(progid, start, len * sizeof(WCHAR));
        progid[len] = '\0';
    }
    hr = CLSIDFromProgID(progid, &clsid);
    HeapFree(GetProcessHeap(), 0, progid);
    if (FAILED(hr))
        return MK_E_SYNTAX;

    hr = CreateClassMoniker(&clsid, &class_moniker);
    if (SUCCEEDED(hr))
    {
        IParseDisplayName *pdn;
        hr = IMoniker_BindToObject(class_moniker, pbc, NULL,
                                   &IID_IParseDisplayName, (void **)&pdn);
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        /* fallback to using IClassFactory to get IParseDisplayName -
         * adsldp.dll depends on this */
        if (FAILED(hr))
        {
            IClassFactory *pcf;
            hr = IMoniker_BindToObject(class_moniker, pbc, NULL,
                                       &IID_IClassFactory, (void **)&pcf);
            if (SUCCEEDED(hr))
            {
                hr = IClassFactory_CreateInstance(pcf, NULL,
                                                  &IID_IParseDisplayName,
                                                  (void **)&pdn);
                IClassFactory_Release(pcf);
            }
        }
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        IMoniker_Release(class_moniker);
        if (SUCCEEDED(hr))
        {
            hr = IParseDisplayName_ParseDisplayName(pdn, pbc,
                                                    (LPOLESTR)szDisplayName,
                                                    pchEaten, ppmk);
            IParseDisplayName_Release(pdn);
        }
    }
    return hr;
}

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/******************************************************************************
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 *              MkParseDisplayName        [OLE32.@]
 */
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HRESULT WINAPI MkParseDisplayName(LPBC pbc, LPCOLESTR szDisplayName,
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				LPDWORD pchEaten, LPMONIKER *ppmk)
{
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    HRESULT hr = MK_E_SYNTAX;
    static const WCHAR wszClsidColon[] = {'c','l','s','i','d',':'};
    IMoniker *moniker;
    DWORD chEaten;

    TRACE("(%p, %s, %p, %p)\n", pbc, debugstr_w(szDisplayName), pchEaten, ppmk);
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    if (!(IsValidInterface((LPUNKNOWN) pbc)))
        return E_INVALIDARG;

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    *pchEaten = 0;
    *ppmk = NULL;

    if (!strncmpiW(szDisplayName, wszClsidColon, sizeof(wszClsidColon)/sizeof(wszClsidColon[0])))
    {
        hr = ClassMoniker_CreateFromDisplayName(pbc, szDisplayName, &chEaten, &moniker);
        if (FAILED(hr) && (hr != MK_E_SYNTAX))
            return hr;
    }
    else
    {
        hr = get_moniker_for_progid_display_name(pbc, szDisplayName, &chEaten, &moniker);
        if (FAILED(hr) && (hr != MK_E_SYNTAX))
            return hr;
    }

    if (FAILED(hr))
    {
        hr = FileMoniker_CreateFromDisplayName(pbc, szDisplayName, &chEaten, &moniker);
        if (FAILED(hr) && (hr != MK_E_SYNTAX))
            return hr;
    }

    if (SUCCEEDED(hr))
    {
        while (TRUE)
        {
            IMoniker *next_moniker;
            *pchEaten += chEaten;
            szDisplayName += chEaten;
            if (!*szDisplayName)
            {
                *ppmk = moniker;
                return S_OK;
            }
            chEaten = 0;
            hr = IMoniker_ParseDisplayName(moniker, pbc, NULL,
                                           (LPOLESTR)szDisplayName, &chEaten,
                                           &next_moniker);
            IMoniker_Release(moniker);
            if (FAILED(hr))
            {
                *pchEaten = 0;
                break;
            }
            moniker = next_moniker;
        }
    }

    return hr;
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}

/***********************************************************************
 *        GetClassFile (OLE32.@)
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 *
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 * Retrieves the class ID associated with the given filename.
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 *
 * PARAMS
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 *  filePathName [I] Filename to retrieve the class ID for.
 *  pclsid       [O] Address that receives the class ID for the file.
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 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: Any HRESULT code.
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 */
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HRESULT WINAPI GetClassFile(LPCOLESTR filePathName,CLSID *pclsid)
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{
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    IStorage *pstg=0;
    HRESULT res;
    int nbElm, length, i;
    LONG sizeProgId;
    LPOLESTR *pathDec=0,absFile=0,progId=0;
    LPWSTR extension;
    static const WCHAR bkslashW[] = {'\\',0};
    static const WCHAR dotW[] = {'.',0};
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    TRACE("%s, %p\n", debugstr_w(filePathName), pclsid);
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    /* if the file contain a storage object the return the CLSID written by IStorage_SetClass method*/
    if((StgIsStorageFile(filePathName))==S_OK){
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        res=StgOpenStorage(filePathName,NULL,STGM_READ | STGM_SHARE_DENY_WRITE,NULL,0,&pstg);
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        if (SUCCEEDED(res))
            res=ReadClassStg(pstg,pclsid);
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        IStorage_Release(pstg);
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        return res;
    }
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    /* If the file is not a storage object then attempt to match various bits in the file against a
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       pattern in the registry. This case is not frequently used, so I present only the pseudocode for
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       this case.
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     for(i=0;i<nFileTypes;i++)
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        for(i=0;j<nPatternsForType;j++){
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            PATTERN pat;
            HANDLE  hFile;
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            pat=ReadPatternFromRegistry(i,j);
            hFile=CreateFileW(filePathName,,,,,,hFile);
            SetFilePosition(hFile,pat.offset);
            ReadFile(hFile,buf,pat.size,&r,NULL);
            if (memcmp(buf&pat.mask,pat.pattern.pat.size)==0){
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                *pclsid=ReadCLSIDFromRegistry(i);
                return S_OK;
            }
        }
     */
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    /* if the above strategies fail then search for the extension key in the registry */
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    /* get the last element (absolute file) in the path name */
    nbElm=FileMonikerImpl_DecomposePath(filePathName,&pathDec);
    absFile=pathDec[nbElm-1];
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    /* failed if the path represents a directory and not an absolute file name*/
1244 1245
    if (!lstrcmpW(absFile, bkslashW))
        return MK_E_INVALIDEXTENSION;
1246

1247 1248 1249 1250 1251
    /* get the extension of the file */
    extension = NULL;
    length=lstrlenW(absFile);
    for(i = length-1; (i >= 0) && *(extension = &absFile[i]) != '.'; i--)
        /* nothing */;
1252

1253 1254
    if (!extension || !lstrcmpW(extension, dotW))
        return MK_E_INVALIDEXTENSION;
1255

1256
    res=RegQueryValueW(HKEY_CLASSES_ROOT, extension, NULL, &sizeProgId);
1257

1258 1259 1260
    /* get the progId associated to the extension */
    progId = CoTaskMemAlloc(sizeProgId);
    res = RegQueryValueW(HKEY_CLASSES_ROOT, extension, progId, &sizeProgId);
1261

1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275
    if (res==ERROR_SUCCESS)
        /* return the clsid associated to the progId */
        res= CLSIDFromProgID(progId,pclsid);

    for(i=0; pathDec[i]!=NULL;i++)
        CoTaskMemFree(pathDec[i]);
    CoTaskMemFree(pathDec);

    CoTaskMemFree(progId);

    if (res==ERROR_SUCCESS)
        return res;

    return MK_E_INVALIDEXTENSION;
1276
}
1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293

/***********************************************************************
 *        EnumMoniker_QueryInterface
 */
static HRESULT WINAPI EnumMonikerImpl_QueryInterface(IEnumMoniker* iface,REFIID riid,void** ppvObject)
{
    EnumMonikerImpl *This = (EnumMonikerImpl *)iface;

    TRACE("(%p,%p,%p)\n",This,riid,ppvObject);

    /* validate arguments */
    if (ppvObject == NULL)
        return E_INVALIDARG;

    *ppvObject = NULL;

    if (IsEqualIID(&IID_IUnknown, riid))
1294
        *ppvObject = This;
1295 1296
    else
        if (IsEqualIID(&IID_IEnumMoniker, riid))
1297
            *ppvObject = This;
1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330

    if ((*ppvObject)==NULL)
        return E_NOINTERFACE;

    IEnumMoniker_AddRef(iface);

    return S_OK;
}

/***********************************************************************
 *        EnumMoniker_AddRef
 */
static ULONG   WINAPI EnumMonikerImpl_AddRef(IEnumMoniker* iface)
{
    EnumMonikerImpl *This = (EnumMonikerImpl *)iface;

    TRACE("(%p)\n",This);

    return InterlockedIncrement(&This->ref);
}

/***********************************************************************
 *        EnumMoniker_release
 */
static ULONG   WINAPI EnumMonikerImpl_Release(IEnumMoniker* iface)
{
    EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
    ULONG ref;

    TRACE("(%p)\n",This);

    ref = InterlockedDecrement(&This->ref);

1331
    /* uninitialize rot structure if there's no more reference to it*/
1332 1333 1334
    if (ref == 0)
    {
        ULONG i;
1335

1336
        TRACE("(%p) Deleting\n",This);
1337

1338 1339 1340
        for (i = 0; i < This->moniker_list->size; i++)
            HeapFree(GetProcessHeap(), 0, This->moniker_list->interfaces[i]);
        HeapFree(GetProcessHeap(), 0, This->moniker_list);
1341
        HeapFree(GetProcessHeap(), 0, This);
1342 1343 1344 1345 1346
    }

    return ref;
}
/***********************************************************************
1347
 *        EnumMoniker_Next
1348 1349 1350 1351 1352
 */
static HRESULT   WINAPI EnumMonikerImpl_Next(IEnumMoniker* iface, ULONG celt, IMoniker** rgelt, ULONG * pceltFetched)
{
    ULONG i;
    EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
1353 1354
    HRESULT hr = S_OK;

1355
    TRACE("(%p) TabCurrentPos %d Tablastindx %d\n", This, This->pos, This->moniker_list->size);
1356 1357

    /* retrieve the requested number of moniker from the current position */
1358
    for(i = 0; (This->pos < This->moniker_list->size) && (i < celt); i++)
1359 1360
    {
        IStream *stream;
1361
        hr = create_stream_on_mip_ro(This->moniker_list->interfaces[This->pos++], &stream);
1362 1363 1364 1365 1366
        if (hr != S_OK) break;
        hr = CoUnmarshalInterface(stream, &IID_IMoniker, (void **)&rgelt[i]);
        IStream_Release(stream);
        if (hr != S_OK) break;
    }
1367

1368
    if (pceltFetched != NULL)
1369 1370
        *pceltFetched= i;

1371 1372 1373 1374
    if (hr != S_OK)
        return hr;

    if (i == celt)
1375 1376 1377 1378 1379 1380 1381
        return S_OK;
    else
        return S_FALSE;

}

/***********************************************************************
1382
 *        EnumMoniker_Skip
1383 1384 1385 1386 1387 1388 1389
 */
static HRESULT   WINAPI EnumMonikerImpl_Skip(IEnumMoniker* iface, ULONG celt)
{
    EnumMonikerImpl *This = (EnumMonikerImpl *)iface;

    TRACE("(%p)\n",This);

1390
    if  (This->pos + celt >= This->moniker_list->size)
1391
        return S_FALSE;
1392

1393
    This->pos += celt;
1394 1395 1396 1397 1398

    return S_OK;
}

/***********************************************************************
1399
 *        EnumMoniker_Reset
1400 1401 1402 1403 1404
 */
static HRESULT   WINAPI EnumMonikerImpl_Reset(IEnumMoniker* iface)
{
    EnumMonikerImpl *This = (EnumMonikerImpl *)iface;

1405
    This->pos = 0;	/* set back to start of list */
1406 1407 1408 1409 1410 1411 1412

    TRACE("(%p)\n",This);

    return S_OK;
}

/***********************************************************************
1413
 *        EnumMoniker_Clone
1414 1415 1416 1417
 */
static HRESULT   WINAPI EnumMonikerImpl_Clone(IEnumMoniker* iface, IEnumMoniker ** ppenum)
{
    EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
1418
    InterfaceList *moniker_list;
1419
    ULONG i;
1420 1421

    TRACE("(%p)\n",This);
1422

1423 1424
    *ppenum = NULL;

1425 1426
    moniker_list = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(InterfaceList, interfaces[This->moniker_list->size]));
    if (!moniker_list)
1427 1428
        return E_OUTOFMEMORY;

1429 1430
    moniker_list->size = This->moniker_list->size;
    for (i = 0; i < This->moniker_list->size; i++)
1431
    {
1432 1433 1434
        SIZE_T size = FIELD_OFFSET(InterfaceData, abData[This->moniker_list->interfaces[i]->ulCntData]);
        moniker_list->interfaces[i] = HeapAlloc(GetProcessHeap(), 0, size);
        if (!moniker_list->interfaces[i])
1435 1436 1437
        {
            ULONG end = i;
            for (i = 0; i < end; i++)
1438 1439
                HeapFree(GetProcessHeap(), 0, moniker_list->interfaces[i]);
            HeapFree(GetProcessHeap(), 0, moniker_list);
1440 1441
            return E_OUTOFMEMORY;
        }
1442
        memcpy(moniker_list->interfaces[i], This->moniker_list->interfaces[i], size);
1443 1444
    }

1445
    /* copy the enum structure */ 
1446
    return EnumMonikerImpl_CreateEnumROTMoniker(moniker_list, This->pos, ppenum);
1447 1448 1449
}

/* Virtual function table for the IEnumMoniker class. */
1450
static const IEnumMonikerVtbl VT_EnumMonikerImpl =
1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465
{
    EnumMonikerImpl_QueryInterface,
    EnumMonikerImpl_AddRef,
    EnumMonikerImpl_Release,
    EnumMonikerImpl_Next,
    EnumMonikerImpl_Skip,
    EnumMonikerImpl_Reset,
    EnumMonikerImpl_Clone
};

/***********************************************************************
 *        EnumMonikerImpl_CreateEnumROTMoniker
 *        Used by EnumRunning to create the structure and EnumClone
 *	  to copy the structure
 */
1466
static HRESULT EnumMonikerImpl_CreateEnumROTMoniker(InterfaceList *moniker_list,
1467 1468
                                                 ULONG current_pos,
                                                 IEnumMoniker **ppenumMoniker)
1469 1470 1471
{
    EnumMonikerImpl* This = NULL;

1472
    if (!ppenumMoniker)
1473 1474 1475
        return E_INVALIDARG;

    This = HeapAlloc(GetProcessHeap(), 0, sizeof(EnumMonikerImpl));
1476
    if (!This) return E_OUTOFMEMORY;
1477 1478 1479 1480 1481 1482 1483 1484

    TRACE("(%p)\n", This);

    /* initialize the virtual table function */
    This->lpVtbl = &VT_EnumMonikerImpl;

    /* the initial reference is set to "1" */
    This->ref = 1;			/* set the ref count to one         */
1485
    This->pos = current_pos;		/* Set the list start posn */
1486
    This->moniker_list = moniker_list;
1487 1488 1489 1490 1491

    *ppenumMoniker =  (IEnumMoniker*)This;

    return S_OK;
}
1492 1493 1494 1495 1496 1497 1498 1499 1500 1501


/* Shared implementation of moniker marshaler based on saving and loading of
 * monikers */

typedef struct MonikerMarshal
{
    const IUnknownVtbl *lpVtbl;
    const IMarshalVtbl *lpVtblMarshal;
    
1502
    LONG ref;
1503 1504 1505
    IMoniker *moniker;
} MonikerMarshal;

1506 1507 1508 1509 1510
static inline MonikerMarshal *impl_from_IMarshal( IMarshal *iface )
{
    return (MonikerMarshal *)((char*)iface - FIELD_OFFSET(MonikerMarshal, lpVtblMarshal));
}

1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 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
static HRESULT WINAPI MonikerMarshalInner_QueryInterface(IUnknown *iface, REFIID riid, LPVOID *ppv)
{
    MonikerMarshal *This = (MonikerMarshal *)iface;
    TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
    *ppv = NULL;
    if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IMarshal, riid))
    {
        *ppv = &This->lpVtblMarshal;
        IUnknown_AddRef((IUnknown *)&This->lpVtblMarshal);
        return S_OK;
    }
    FIXME("No interface for %s\n", debugstr_guid(riid));
    return E_NOINTERFACE;
}

static ULONG WINAPI MonikerMarshalInner_AddRef(IUnknown *iface)
{
    MonikerMarshal *This = (MonikerMarshal *)iface;
    return InterlockedIncrement(&This->ref);
}

static ULONG WINAPI MonikerMarshalInner_Release(IUnknown *iface)
{
    MonikerMarshal *This = (MonikerMarshal *)iface;
    ULONG ref = InterlockedDecrement(&This->ref);

    if (!ref) HeapFree(GetProcessHeap(), 0, This);
    return ref;
}

static const IUnknownVtbl VT_MonikerMarshalInner =
{
    MonikerMarshalInner_QueryInterface,
    MonikerMarshalInner_AddRef,
    MonikerMarshalInner_Release
};

static HRESULT WINAPI MonikerMarshal_QueryInterface(IMarshal *iface, REFIID riid, LPVOID *ppv)
{
1550
    MonikerMarshal *This = impl_from_IMarshal(iface);
1551 1552 1553 1554 1555
    return IMoniker_QueryInterface(This->moniker, riid, ppv);
}

static ULONG WINAPI MonikerMarshal_AddRef(IMarshal *iface)
{
1556
    MonikerMarshal *This = impl_from_IMarshal(iface);
1557 1558 1559 1560 1561
    return IMoniker_AddRef(This->moniker);
}

static ULONG WINAPI MonikerMarshal_Release(IMarshal *iface)
{
1562
    MonikerMarshal *This = impl_from_IMarshal(iface);
1563 1564 1565 1566 1567 1568 1569
    return IMoniker_Release(This->moniker);
}

static HRESULT WINAPI MonikerMarshal_GetUnmarshalClass(
  LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext,
  void* pvDestContext, DWORD mshlflags, CLSID* pCid)
{
1570
    MonikerMarshal *This = impl_from_IMarshal(iface);
1571

1572
    TRACE("(%s, %p, %x, %p, %x, %p)\n", debugstr_guid(riid), pv,
1573 1574 1575 1576 1577 1578 1579 1580 1581
        dwDestContext, pvDestContext, mshlflags, pCid);

    return IMoniker_GetClassID(This->moniker, pCid);
}

static HRESULT WINAPI MonikerMarshal_GetMarshalSizeMax(
  LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext,
  void* pvDestContext, DWORD mshlflags, DWORD* pSize)
{
1582
    MonikerMarshal *This = impl_from_IMarshal(iface);
1583 1584 1585
    HRESULT hr;
    ULARGE_INTEGER size;

1586
    TRACE("(%s, %p, %x, %p, %x, %p)\n", debugstr_guid(riid), pv,
1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598
        dwDestContext, pvDestContext, mshlflags, pSize);

    hr = IMoniker_GetSizeMax(This->moniker, &size);
    if (hr == S_OK)
        *pSize = (DWORD)size.QuadPart;
    return hr;
}

static HRESULT WINAPI MonikerMarshal_MarshalInterface(LPMARSHAL iface, IStream *pStm, 
    REFIID riid, void* pv, DWORD dwDestContext,
    void* pvDestContext, DWORD mshlflags)
{
1599
    MonikerMarshal *This = impl_from_IMarshal(iface);
1600

1601
    TRACE("(%p, %s, %p, %x, %p, %x)\n", pStm, debugstr_guid(riid), pv,
1602 1603 1604 1605 1606 1607 1608
        dwDestContext, pvDestContext, mshlflags);

    return IMoniker_Save(This->moniker, pStm, FALSE);
}

static HRESULT WINAPI MonikerMarshal_UnmarshalInterface(LPMARSHAL iface, IStream *pStm, REFIID riid, void **ppv)
{
1609
    MonikerMarshal *This = impl_from_IMarshal(iface);
1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661
    HRESULT hr;

    TRACE("(%p, %s, %p)\n", pStm, debugstr_guid(riid), ppv);

    hr = IMoniker_Load(This->moniker, pStm);
    if (hr == S_OK)
        hr = IMoniker_QueryInterface(This->moniker, riid, ppv);
    return hr;
}

static HRESULT WINAPI MonikerMarshal_ReleaseMarshalData(LPMARSHAL iface, IStream *pStm)
{
    TRACE("()\n");
    /* can't release a state-based marshal as nothing on server side to
     * release */
    return S_OK;
}

static HRESULT WINAPI MonikerMarshal_DisconnectObject(LPMARSHAL iface, DWORD dwReserved)
{
    TRACE("()\n");
    /* can't disconnect a state-based marshal as nothing on server side to
     * disconnect from */
    return S_OK;
}

static const IMarshalVtbl VT_MonikerMarshal =
{
    MonikerMarshal_QueryInterface,
    MonikerMarshal_AddRef,
    MonikerMarshal_Release,
    MonikerMarshal_GetUnmarshalClass,
    MonikerMarshal_GetMarshalSizeMax,
    MonikerMarshal_MarshalInterface,
    MonikerMarshal_UnmarshalInterface,
    MonikerMarshal_ReleaseMarshalData,
    MonikerMarshal_DisconnectObject
};

HRESULT MonikerMarshal_Create(IMoniker *inner, IUnknown **outer)
{
    MonikerMarshal *This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
    if (!This) return E_OUTOFMEMORY;

    This->lpVtbl = &VT_MonikerMarshalInner;
    This->lpVtblMarshal = &VT_MonikerMarshal;
    This->ref = 1;
    This->moniker = inner;

    *outer = (IUnknown *)&This->lpVtbl;
    return S_OK;
}
1662

1663
void * __RPC_USER MIDL_user_allocate(SIZE_T size)
1664 1665 1666 1667 1668 1669 1670 1671
{
    return HeapAlloc(GetProcessHeap(), 0, size);
}

void __RPC_USER MIDL_user_free(void *p)
{
    HeapFree(GetProcessHeap(), 0, p);
}