compobj.c 25.3 KB
Newer Older
Alexandre Julliard's avatar
Alexandre Julliard committed
1 2 3 4
/*
 *	COMPOBJ library
 *
 *	Copyright 1995	Martin von Loewis
5
 *	Copyright 1998	Justin Bradford
6
 *      Copyright 1999  Francis Beaudet
7 8 9
 *      Copyright 1999  Sylvain St-Germain
 *      Copyright 2002  Marcus Meissner
 *      Copyright 2004  Mike Hearn
10
 *      Copyright 2005-2006 Robert Shearman (for CodeWeavers)
11 12 13 14 15 16 17 18 19 20 21 22 23
 *
 * 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
24
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
Mike Hearn's avatar
Mike Hearn committed
25
 *
26 27 28 29
 * Note
 * 1. COINIT_MULTITHREADED is 0; it is the lack of COINIT_APARTMENTTHREADED
 *    Therefore do not test against COINIT_MULTITHREADED
 *
Mike Hearn's avatar
Mike Hearn committed
30 31
 * TODO list:           (items bunched together depend on each other)
 *
32
 *   - Implement the OXID resolver so we don't need magic endpoint names for
Mike Hearn's avatar
Mike Hearn committed
33 34
 *     clients and servers to meet up
 *
Alexandre Julliard's avatar
Alexandre Julliard committed
35 36
 */

37
#include <stdarg.h>
38
#include <stdio.h>
Alexandre Julliard's avatar
Alexandre Julliard committed
39
#include <string.h>
40
#include <assert.h>
41

42
#define COBJMACROS
43
#define NONAMELESSUNION
44

45 46
#include "ntstatus.h"
#define WIN32_NO_STATUS
47
#include "windef.h"
48
#include "winbase.h"
49 50
#include "winerror.h"
#include "winreg.h"
51
#include "winuser.h"
52
#define USE_COM_CONTEXT_DEF
53 54 55
#include "objbase.h"
#include "ole2.h"
#include "ole2ver.h"
56
#include "ctxtcall.h"
57
#include "dde.h"
58
#include "servprov.h"
59

60
#include "initguid.h"
61
#include "compobj_private.h"
62
#include "moniker.h"
63

64
#include "wine/debug.h"
65

66
WINE_DEFAULT_DEBUG_CHANNEL(ole);
67

68
/****************************************************************************
69
 * This section defines variables internal to the COM module.
70 71
 */

72 73 74 75 76 77 78 79 80
enum comclass_miscfields
{
    MiscStatus          = 1,
    MiscStatusIcon      = 2,
    MiscStatusContent   = 4,
    MiscStatusThumbnail = 8,
    MiscStatusDocPrint  = 16
};

81 82 83
struct comclassredirect_data
{
    ULONG size;
84
    ULONG flags;
85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102
    DWORD model;
    GUID  clsid;
    GUID  alias;
    GUID  clsid2;
    GUID  tlbid;
    ULONG name_len;
    ULONG name_offset;
    ULONG progid_len;
    ULONG progid_offset;
    ULONG clrdata_len;
    ULONG clrdata_offset;
    DWORD miscstatus;
    DWORD miscstatuscontent;
    DWORD miscstatusthumbnail;
    DWORD miscstatusicon;
    DWORD miscstatusdocprint;
};

103 104 105 106 107 108 109 110 111 112 113 114
struct ifacepsredirect_data
{
    ULONG size;
    DWORD mask;
    GUID  iid;
    ULONG nummethods;
    GUID  tlbid;
    GUID  base;
    ULONG name_len;
    ULONG name_offset;
};

115 116 117 118 119 120 121
struct progidredirect_data
{
    ULONG size;
    DWORD reserved;
    ULONG clsid_offset;
};

122 123 124 125 126 127
enum class_reg_data_origin
{
    CLASS_REG_ACTCTX,
    CLASS_REG_REGISTRY,
};

128 129
struct class_reg_data
{
130
    enum class_reg_data_origin origin;
131 132 133 134
    union
    {
        struct
        {
135 136
            const WCHAR *module_name;
            DWORD threading_model;
137 138 139 140 141 142
            HANDLE hactctx;
        } actctx;
        HKEY hkey;
    } u;
};

143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169
static inline enum comclass_miscfields dvaspect_to_miscfields(DWORD aspect)
{
    switch (aspect)
    {
    case DVASPECT_CONTENT:
        return MiscStatusContent;
    case DVASPECT_THUMBNAIL:
        return MiscStatusThumbnail;
    case DVASPECT_ICON:
        return MiscStatusIcon;
    case DVASPECT_DOCPRINT:
        return MiscStatusDocPrint;
    default:
        return MiscStatus;
    };
}

BOOL actctx_get_miscstatus(const CLSID *clsid, DWORD aspect, DWORD *status)
{
    ACTCTX_SECTION_KEYED_DATA data;

    data.cbSize = sizeof(data);
    if (FindActCtxSectionGuid(0, NULL, ACTIVATION_CONTEXT_SECTION_COM_SERVER_REDIRECTION,
                              clsid, &data))
    {
        struct comclassredirect_data *comclass = (struct comclassredirect_data*)data.lpData;
        enum comclass_miscfields misc = dvaspect_to_miscfields(aspect);
170
        ULONG miscmask = (comclass->flags >> 8) & 0xff;
171

172
        if (!(miscmask & misc))
173
        {
174
            if (!(miscmask & MiscStatus))
175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208
            {
                *status = 0;
                return TRUE;
            }
            misc = MiscStatus;
        }

        switch (misc)
        {
        case MiscStatus:
            *status = comclass->miscstatus;
            break;
        case MiscStatusIcon:
            *status = comclass->miscstatusicon;
            break;
        case MiscStatusContent:
            *status = comclass->miscstatuscontent;
            break;
        case MiscStatusThumbnail:
            *status = comclass->miscstatusthumbnail;
            break;
        case MiscStatusDocPrint:
            *status = comclass->miscstatusdocprint;
            break;
        default:
           ;
        };

        return TRUE;
    }
    else
        return FALSE;
}

209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250
/* wrapper for NtCreateKey that creates the key recursively if necessary */
static NTSTATUS create_key( HKEY *retkey, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr )
{
    NTSTATUS status = NtCreateKey( (HANDLE *)retkey, access, attr, 0, NULL, 0, NULL );

    if (status == STATUS_OBJECT_NAME_NOT_FOUND)
    {
        HANDLE subkey, root = attr->RootDirectory;
        WCHAR *buffer = attr->ObjectName->Buffer;
        DWORD attrs, pos = 0, i = 0, len = attr->ObjectName->Length / sizeof(WCHAR);
        UNICODE_STRING str;

        while (i < len && buffer[i] != '\\') i++;
        if (i == len) return status;

        attrs = attr->Attributes;
        attr->ObjectName = &str;

        while (i < len)
        {
            str.Buffer = buffer + pos;
            str.Length = (i - pos) * sizeof(WCHAR);
            status = NtCreateKey( &subkey, access, attr, 0, NULL, 0, NULL );
            if (attr->RootDirectory != root) NtClose( attr->RootDirectory );
            if (status) return status;
            attr->RootDirectory = subkey;
            while (i < len && buffer[i] == '\\') i++;
            pos = i;
            while (i < len && buffer[i] != '\\') i++;
        }
        str.Buffer = buffer + pos;
        str.Length = (i - pos) * sizeof(WCHAR);
        attr->Attributes = attrs;
        status = NtCreateKey( (PHANDLE)retkey, access, attr, 0, NULL, 0, NULL );
        if (attr->RootDirectory != root) NtClose( attr->RootDirectory );
    }
    return status;
}

static HKEY classes_root_hkey;

/* create the special HKEY_CLASSES_ROOT key */
251
static HKEY create_classes_root_hkey(DWORD access)
252 253 254 255 256 257 258 259 260 261 262
{
    HKEY hkey, ret = 0;
    OBJECT_ATTRIBUTES attr;
    UNICODE_STRING name;

    attr.Length = sizeof(attr);
    attr.RootDirectory = 0;
    attr.ObjectName = &name;
    attr.Attributes = 0;
    attr.SecurityDescriptor = NULL;
    attr.SecurityQualityOfService = NULL;
263
    RtlInitUnicodeString( &name, L"\\Registry\\Machine\\Software\\Classes" );
264
    if (create_key( &hkey, access, &attr )) return 0;
265 266
    TRACE( "%s -> %p\n", debugstr_w(attr.ObjectName->Buffer), hkey );

267 268 269 270 271 272 273
    if (!(access & KEY_WOW64_64KEY))
    {
        if (!(ret = InterlockedCompareExchangePointer( (void **)&classes_root_hkey, hkey, 0 )))
            ret = hkey;
        else
            NtClose( hkey );  /* somebody beat us to it */
    }
274
    else
275
        ret = hkey;
276 277 278 279
    return ret;
}

/* map the hkey from special root to normal key if necessary */
280
static inline HKEY get_classes_root_hkey( HKEY hkey, REGSAM access )
281 282
{
    HKEY ret = hkey;
283 284
    const BOOL is_win64 = sizeof(void*) > sizeof(int);
    const BOOL force_wow32 = is_win64 && (access & KEY_WOW64_32KEY);
285

286 287 288 289 290 291
    if (hkey == HKEY_CLASSES_ROOT &&
        ((access & KEY_WOW64_64KEY) || !(ret = classes_root_hkey)))
        ret = create_classes_root_hkey(MAXIMUM_ALLOWED | (access & KEY_WOW64_64KEY));
    if (force_wow32 && ret && ret == classes_root_hkey)
    {
        access &= ~KEY_WOW64_32KEY;
292
        if (create_classes_key(classes_root_hkey, L"Wow6432Node", access, &hkey))
293 294 295
            return 0;
        ret = hkey;
    }
296 297 298 299 300 301 302 303 304

    return ret;
}

LSTATUS create_classes_key( HKEY hkey, const WCHAR *name, REGSAM access, HKEY *retkey )
{
    OBJECT_ATTRIBUTES attr;
    UNICODE_STRING nameW;

305
    if (!(hkey = get_classes_root_hkey( hkey, access ))) return ERROR_INVALID_HANDLE;
306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322

    attr.Length = sizeof(attr);
    attr.RootDirectory = hkey;
    attr.ObjectName = &nameW;
    attr.Attributes = 0;
    attr.SecurityDescriptor = NULL;
    attr.SecurityQualityOfService = NULL;
    RtlInitUnicodeString( &nameW, name );

    return RtlNtStatusToDosError( create_key( retkey, access, &attr ) );
}

LSTATUS open_classes_key( HKEY hkey, const WCHAR *name, REGSAM access, HKEY *retkey )
{
    OBJECT_ATTRIBUTES attr;
    UNICODE_STRING nameW;

323
    if (!(hkey = get_classes_root_hkey( hkey, access ))) return ERROR_INVALID_HANDLE;
324 325 326 327 328 329 330 331 332 333 334 335

    attr.Length = sizeof(attr);
    attr.RootDirectory = hkey;
    attr.ObjectName = &nameW;
    attr.Attributes = 0;
    attr.SecurityDescriptor = NULL;
    attr.SecurityQualityOfService = NULL;
    RtlInitUnicodeString( &nameW, name );

    return RtlNtStatusToDosError( NtOpenKey( (HANDLE *)retkey, access, &attr ) );
}

336 337 338 339 340
/******************************************************************************
 * Implementation of the manual reset event object. (CLSID_ManualResetEvent)
 */

typedef struct ManualResetEvent {
341 342
    ISynchronize        ISynchronize_iface;
    ISynchronizeHandle  ISynchronizeHandle_iface;
343 344 345 346 347 348 349 350 351 352 353 354
    LONG ref;
    HANDLE event;
} MREImpl;

static inline MREImpl *impl_from_ISynchronize(ISynchronize *iface)
{
    return CONTAINING_RECORD(iface, MREImpl, ISynchronize_iface);
}

static HRESULT WINAPI ISynchronize_fnQueryInterface(ISynchronize *iface, REFIID riid, void **ppv)
{
    MREImpl *This = impl_from_ISynchronize(iface);
355

356 357
    TRACE("%p (%s, %p)\n", This, debugstr_guid(riid), ppv);

358 359 360 361 362
    if(IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_ISynchronize)) {
        *ppv = &This->ISynchronize_iface;
    }else if(IsEqualGUID(riid, &IID_ISynchronizeHandle)) {
        *ppv = &This->ISynchronizeHandle_iface;
    }else {
363
        ERR("Unknown interface %s requested.\n", debugstr_guid(riid));
364 365
        *ppv = NULL;
        return E_NOINTERFACE;
366 367
    }

368 369
    IUnknown_AddRef((IUnknown*)*ppv);
    return S_OK;
370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426
}

static ULONG WINAPI ISynchronize_fnAddRef(ISynchronize *iface)
{
    MREImpl *This = impl_from_ISynchronize(iface);
    LONG ref = InterlockedIncrement(&This->ref);
    TRACE("%p - ref %d\n", This, ref);

    return ref;
}

static ULONG WINAPI ISynchronize_fnRelease(ISynchronize *iface)
{
    MREImpl *This = impl_from_ISynchronize(iface);
    LONG ref = InterlockedDecrement(&This->ref);
    TRACE("%p - ref %d\n", This, ref);

    if(!ref)
    {
        CloseHandle(This->event);
        HeapFree(GetProcessHeap(), 0, This);
    }

    return ref;
}

static HRESULT WINAPI ISynchronize_fnWait(ISynchronize *iface, DWORD dwFlags, DWORD dwMilliseconds)
{
    MREImpl *This = impl_from_ISynchronize(iface);
    UINT index;
    TRACE("%p (%08x, %08x)\n", This, dwFlags, dwMilliseconds);
    return CoWaitForMultipleHandles(dwFlags, dwMilliseconds, 1, &This->event, &index);
}

static HRESULT WINAPI ISynchronize_fnSignal(ISynchronize *iface)
{
    MREImpl *This = impl_from_ISynchronize(iface);
    TRACE("%p\n", This);
    SetEvent(This->event);
    return S_OK;
}

static HRESULT WINAPI ISynchronize_fnReset(ISynchronize *iface)
{
    MREImpl *This = impl_from_ISynchronize(iface);
    TRACE("%p\n", This);
    ResetEvent(This->event);
    return S_OK;
}

static ISynchronizeVtbl vt_ISynchronize = {
    ISynchronize_fnQueryInterface,
    ISynchronize_fnAddRef,
    ISynchronize_fnRelease,
    ISynchronize_fnWait,
    ISynchronize_fnSignal,
    ISynchronize_fnReset
427
};
428

429 430 431 432
static inline MREImpl *impl_from_ISynchronizeHandle(ISynchronizeHandle *iface)
{
    return CONTAINING_RECORD(iface, MREImpl, ISynchronizeHandle_iface);
}
433

434 435 436 437 438
static HRESULT WINAPI SynchronizeHandle_QueryInterface(ISynchronizeHandle *iface, REFIID riid, void **ppv)
{
    MREImpl *This = impl_from_ISynchronizeHandle(iface);
    return ISynchronize_QueryInterface(&This->ISynchronize_iface, riid, ppv);
}
439

440 441 442 443
static ULONG WINAPI SynchronizeHandle_AddRef(ISynchronizeHandle *iface)
{
    MREImpl *This = impl_from_ISynchronizeHandle(iface);
    return ISynchronize_AddRef(&This->ISynchronize_iface);
444 445
}

446
static ULONG WINAPI SynchronizeHandle_Release(ISynchronizeHandle *iface)
447
{
448 449 450
    MREImpl *This = impl_from_ISynchronizeHandle(iface);
    return ISynchronize_Release(&This->ISynchronize_iface);
}
451

452 453 454
static HRESULT WINAPI SynchronizeHandle_GetHandle(ISynchronizeHandle *iface, HANDLE *ph)
{
    MREImpl *This = impl_from_ISynchronizeHandle(iface);
455

456 457 458
    *ph = This->event;
    return S_OK;
}
459

460 461 462 463 464 465
static const ISynchronizeHandleVtbl SynchronizeHandleVtbl = {
    SynchronizeHandle_QueryInterface,
    SynchronizeHandle_AddRef,
    SynchronizeHandle_Release,
    SynchronizeHandle_GetHandle
};
466

467 468 469 470
HRESULT WINAPI ManualResetEvent_CreateInstance(IClassFactory *iface, IUnknown *outer, REFIID iid, void **ppv)
{
    MREImpl *This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(MREImpl));
    HRESULT hr;
471

472 473
    if (outer)
        FIXME("Aggregation not implemented.\n");
474

475 476 477 478
    This->ref = 1;
    This->ISynchronize_iface.lpVtbl = &vt_ISynchronize;
    This->ISynchronizeHandle_iface.lpVtbl = &SynchronizeHandleVtbl;
    This->event = CreateEventW(NULL, TRUE, FALSE, NULL);
479

480 481
    hr = ISynchronize_QueryInterface(&This->ISynchronize_iface, iid, ppv);
    ISynchronize_Release(&This->ISynchronize_iface);
482 483 484
    return hr;
}

485
/******************************************************************************
486
 *           CoBuildVersion [OLE32.@]
487 488 489 490
 *
 * Gets the build version of the DLL.
 *
 * PARAMS
491 492 493
 *
 * RETURNS
 *	Current build version, hiword is majornumber, loword is minornumber
Alexandre Julliard's avatar
Alexandre Julliard committed
494
 */
495 496 497 498
DWORD WINAPI CoBuildVersion(void)
{
    TRACE("Returning version %d, build %d.\n", rmm, rup);
    return (rmm<<16)+rup;
Alexandre Julliard's avatar
Alexandre Julliard committed
499 500
}

501
/******************************************************************************
502
 *		CoInitialize	[OLE32.@]
503
 *
504 505
 * Initializes the COM libraries by calling CoInitializeEx with
 * COINIT_APARTMENTTHREADED, ie it enters a STA thread.
506
 *
507 508 509 510 511 512 513
 * PARAMS
 *  lpReserved [I] Pointer to IMalloc interface (obsolete, should be NULL).
 *
 * RETURNS
 *  Success: S_OK if not already initialized, S_FALSE otherwise.
 *  Failure: HRESULT code.
 *
514 515
 * SEE ALSO
 *   CoInitializeEx
Alexandre Julliard's avatar
Alexandre Julliard committed
516
 */
517
HRESULT WINAPI CoInitialize(LPVOID lpReserved)
518 519 520 521
{
  /*
   * Just delegate to the newer method.
   */
522
  return CoInitializeEx(lpReserved, COINIT_APARTMENTTHREADED);
Alexandre Julliard's avatar
Alexandre Julliard committed
523 524
}

525 526
/* open HKCR\\CLSID\\{string form of clsid}\\{keyname} key */
HRESULT COM_OpenKeyForCLSID(REFCLSID clsid, LPCWSTR keyname, REGSAM access, HKEY *subkey)
527
{
528
    WCHAR path[CHARS_IN_GUID + ARRAY_SIZE(L"CLSID\\") - 1];
529 530 531
    LONG res;
    HKEY key;

532 533
    lstrcpyW(path, L"CLSID\\");
    StringFromGUID2(clsid, path + lstrlenW(L"CLSID\\"), CHARS_IN_GUID);
534
    res = open_classes_key(HKEY_CLASSES_ROOT, path, keyname ? KEY_READ : access, &key);
535 536 537 538 539 540 541 542 543 544 545
    if (res == ERROR_FILE_NOT_FOUND)
        return REGDB_E_CLASSNOTREG;
    else if (res != ERROR_SUCCESS)
        return REGDB_E_READREGDB;

    if (!keyname)
    {
        *subkey = key;
        return S_OK;
    }

546
    res = open_classes_key(key, keyname, access, subkey);
547
    RegCloseKey(key);
548 549 550 551 552 553 554 555
    if (res == ERROR_FILE_NOT_FOUND)
        return REGDB_E_KEYMISSING;
    else if (res != ERROR_SUCCESS)
        return REGDB_E_READREGDB;

    return S_OK;
}

Ove Kaaven's avatar
Ove Kaaven committed
556
/***********************************************************************
557
 *           CoLoadLibrary (OLE32.@)
558 559 560 561 562 563 564 565 566 567 568 569 570
 *
 * Loads a library.
 *
 * PARAMS
 *  lpszLibName [I] Path to library.
 *  bAutoFree   [I] Whether the library should automatically be freed.
 *
 * RETURNS
 *  Success: Handle to loaded library.
 *  Failure: NULL.
 *
 * SEE ALSO
 *  CoFreeLibrary, CoFreeAllLibraries, CoFreeUnusedLibraries
Ove Kaaven's avatar
Ove Kaaven committed
571
 */
572
HINSTANCE WINAPI CoLoadLibrary(LPOLESTR lpszLibName, BOOL bAutoFree)
Ove Kaaven's avatar
Ove Kaaven committed
573
{
574
    TRACE("(%s, %d)\n", debugstr_w(lpszLibName), bAutoFree);
575

576 577
    return LoadLibraryExW(lpszLibName, 0, LOAD_WITH_ALTERED_SEARCH_PATH);
}
578

579
/***********************************************************************
580
 *           CoFreeLibrary [OLE32.@]
581
 *
582 583 584 585 586 587 588 589 590 591
 * Unloads a library from memory.
 *
 * PARAMS
 *  hLibrary [I] Handle to library to unload.
 *
 * RETURNS
 *  Nothing
 *
 * SEE ALSO
 *  CoLoadLibrary, CoFreeAllLibraries, CoFreeUnusedLibraries
592 593 594
 */
void WINAPI CoFreeLibrary(HINSTANCE hLibrary)
{
595
    FreeLibrary(hLibrary);
596 597 598 599
}


/***********************************************************************
600
 *           CoFreeAllLibraries [OLE32.@]
601
 *
602 603 604 605 606 607 608
 * Function for backwards compatibility only. Does nothing.
 *
 * RETURNS
 *  Nothing.
 *
 * SEE ALSO
 *  CoLoadLibrary, CoFreeLibrary, CoFreeUnusedLibraries
609 610 611
 */
void WINAPI CoFreeAllLibraries(void)
{
612
    /* NOP */
Ove Kaaven's avatar
Ove Kaaven committed
613 614
}

615
/***********************************************************************
616
 *           CoGetState [OLE32.@]
617
 *
618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633
 * Retrieves the thread state object previously stored by CoSetState().
 *
 * PARAMS
 *  ppv [I] Address where pointer to object will be stored.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: E_OUTOFMEMORY.
 *
 * NOTES
 *  Crashes on all invalid ppv addresses, including NULL.
 *  If the function returns a non-NULL object then the caller must release its
 *  reference on the object when the object is no longer required.
 *
 * SEE ALSO
 *  CoSetState().
634
 */
635
HRESULT WINAPI CoGetState(IUnknown ** ppv)
636
{
637 638
    struct oletls *info = COM_CurrentInfo();
    if (!info) return E_OUTOFMEMORY;
639

640
    *ppv = NULL;
641

642
    if (info->state)
643
    {
644 645 646
        IUnknown_AddRef(info->state);
        *ppv = info->state;
        TRACE("apt->state=%p\n", info->state);
647
    }
648

649
    return S_OK;
650
}
651 652

/***********************************************************************
653
 *           CoSetState [OLE32.@]
654
 *
655 656 657 658 659 660 661 662 663 664 665
 * Sets the thread state object.
 *
 * PARAMS
 *  pv [I] Pointer to state object to be stored.
 *
 * NOTES
 *  The system keeps a reference on the object while the object stored.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: E_OUTOFMEMORY.
666
 */
667
HRESULT WINAPI CoSetState(IUnknown * pv)
668
{
669 670 671
    struct oletls *info = COM_CurrentInfo();
    if (!info) return E_OUTOFMEMORY;

672
    if (pv) IUnknown_AddRef(pv);
673

674
    if (info->state)
675
    {
676 677
        TRACE("-- release %p now\n", info->state);
        IUnknown_Release(info->state);
678
    }
679

680
    info->state = pv;
681

682
    return S_OK;
683
}
684

685

686
/******************************************************************************
687
 *              CoTreatAsClass        [OLE32.@]
688
 *
689 690 691 692 693 694 695 696 697 698 699 700
 * Sets the TreatAs value of a class.
 *
 * PARAMS
 *  clsidOld [I] Class to set TreatAs value on.
 *  clsidNew [I] The class the clsidOld should be treated as.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 *
 * SEE ALSO
 *  CoGetTreatAsClass
701 702 703
 */
HRESULT WINAPI CoTreatAsClass(REFCLSID clsidOld, REFCLSID clsidNew)
{
704 705
    HKEY hkey = NULL;
    WCHAR szClsidNew[CHARS_IN_GUID];
706
    HRESULT res = S_OK;
707
    WCHAR auto_treat_as[CHARS_IN_GUID];
708 709
    LONG auto_treat_as_size = sizeof(auto_treat_as);
    CLSID id;
710

711 712 713
    res = COM_OpenKeyForCLSID(clsidOld, NULL, KEY_READ | KEY_WRITE, &hkey);
    if (FAILED(res))
        goto done;
714 715

    if (IsEqualGUID( clsidOld, clsidNew ))
716
    {
717
       if (!RegQueryValueW(hkey, L"AutoTreatAs", auto_treat_as, &auto_treat_as_size) &&
718
           CLSIDFromString(auto_treat_as, &id) == S_OK)
719
       {
720
           if (RegSetValueW(hkey, L"TreatAs", REG_SZ, auto_treat_as, sizeof(auto_treat_as)))
721 722 723 724 725 726 727
           {
               res = REGDB_E_WRITEREGDB;
               goto done;
           }
       }
       else
       {
728
           if (RegDeleteKeyW(hkey, L"TreatAs"))
729
               res = REGDB_E_WRITEREGDB;
730 731 732
           goto done;
       }
    }
733
    else
734
    {
735
        if(IsEqualGUID(clsidNew, &CLSID_NULL)){
736
           RegDeleteKeyW(hkey, L"TreatAs");
737
        }else{
738
            if(!StringFromGUID2(clsidNew, szClsidNew, ARRAY_SIZE(szClsidNew))){
739 740 741 742 743
                WARN("StringFromGUID2 failed\n");
                res = E_FAIL;
                goto done;
            }

744
            if (RegSetValueW(hkey, L"TreatAs", REG_SZ, szClsidNew, sizeof(szClsidNew)) != ERROR_SUCCESS){
745 746 747 748 749
                WARN("RegSetValue failed\n");
                res = REGDB_E_WRITEREGDB;
                goto done;
            }
        }
750 751 752 753 754
    }

done:
    if (hkey) RegCloseKey(hkey);
    return res;
755
}
756

757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773
/***********************************************************************
 *           CoIsOle1Class [OLE32.@]
 *
 * Determines whether the specified class an OLE v1 class.
 *
 * PARAMS
 *  clsid [I] Class to test.
 *
 * RETURNS
 *  TRUE if the class is an OLE v1 class, or FALSE otherwise.
 */
BOOL WINAPI CoIsOle1Class(REFCLSID clsid)
{
  FIXME("%s\n", debugstr_guid(clsid));
  return FALSE;
}

774
/***********************************************************************
775
 *           IsEqualGUID [OLE32.@]
776 777 778
 *
 * Compares two Unique Identifiers.
 *
779 780 781 782
 * PARAMS
 *  rguid1 [I] The first GUID to compare.
 *  rguid2 [I] The other GUID to compare.
 *
783 784 785 786 787
 * RETURNS
 *	TRUE if equal
 */
#undef IsEqualGUID
BOOL WINAPI IsEqualGUID(
788 789
     REFGUID rguid1,
     REFGUID rguid2)
790 791 792
{
    return !memcmp(rguid1,rguid2,sizeof(GUID));
}
793

794 795 796 797 798 799 800 801 802
/***********************************************************************
 *           CoAllowSetForegroundWindow [OLE32.@]
 *
 */
HRESULT WINAPI CoAllowSetForegroundWindow(IUnknown *pUnk, void *pvReserved)
{
    FIXME("(%p, %p): stub\n", pUnk, pvReserved);
    return S_OK;
}
803

804 805 806
/***********************************************************************
 *           CoGetObject [OLE32.@]
 *
807
 * Gets the object named by converting the name to a moniker and binding to it.
808 809 810 811
 *
 * PARAMS
 *  pszName      [I] String representing the object.
 *  pBindOptions [I] Parameters affecting the binding to the named object.
812
 *  riid         [I] Interface to bind to on the object.
813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854
 *  ppv          [O] On output, the interface riid of the object represented
 *                   by pszName.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 *
 * SEE ALSO
 *  MkParseDisplayName.
 */
HRESULT WINAPI CoGetObject(LPCWSTR pszName, BIND_OPTS *pBindOptions,
    REFIID riid, void **ppv)
{
    IBindCtx *pbc;
    HRESULT hr;

    *ppv = NULL;

    hr = CreateBindCtx(0, &pbc);
    if (SUCCEEDED(hr))
    {
        if (pBindOptions)
            hr = IBindCtx_SetBindOptions(pbc, pBindOptions);

        if (SUCCEEDED(hr))
        {
            ULONG chEaten;
            IMoniker *pmk;

            hr = MkParseDisplayName(pbc, pszName, &chEaten, &pmk);
            if (SUCCEEDED(hr))
            {
                hr = IMoniker_BindToObject(pmk, pbc, NULL, riid, ppv);
                IMoniker_Release(pmk);
            }
        }

        IBindCtx_Release(pbc);
    }
    return hr;
}

855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890
/* Returns expanded dll path from the registry or activation context. */
static BOOL get_object_dll_path(const struct class_reg_data *regdata, WCHAR *dst, DWORD dstlen)
{
    DWORD ret;

    if (regdata->origin == CLASS_REG_REGISTRY)
    {
	DWORD keytype;
	WCHAR src[MAX_PATH];
	DWORD dwLength = dstlen * sizeof(WCHAR);

        if( (ret = RegQueryValueExW(regdata->u.hkey, NULL, NULL, &keytype, (BYTE*)src, &dwLength)) == ERROR_SUCCESS ) {
            if (keytype == REG_EXPAND_SZ) {
              if (dstlen <= ExpandEnvironmentStringsW(src, dst, dstlen)) ret = ERROR_MORE_DATA;
            } else {
              const WCHAR *quote_start;
              quote_start = wcschr(src, '\"');
              if (quote_start) {
                const WCHAR *quote_end = wcschr(quote_start + 1, '\"');
                if (quote_end) {
                  memmove(src, quote_start + 1,
                          (quote_end - quote_start - 1) * sizeof(WCHAR));
                  src[quote_end - quote_start - 1] = '\0';
                }
              }
              lstrcpynW(dst, src, dstlen);
            }
        }
        return !ret;
    }
    else
    {
        ULONG_PTR cookie;

        *dst = 0;
        ActivateActCtx(regdata->u.actctx.hactctx, &cookie);
891
        ret = SearchPathW(NULL, regdata->u.actctx.module_name, L".dll", dstlen, dst, NULL);
892 893 894 895 896
        DeactivateActCtx(0, cookie);
        return *dst != 0;
    }
}

897 898 899 900 901
HRESULT Handler_DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
    HKEY hkey;
    HRESULT hres;

902
    hres = COM_OpenKeyForCLSID(rclsid, L"InprocHandler32", KEY_READ, &hkey);
903 904
    if (SUCCEEDED(hres))
    {
905
        struct class_reg_data regdata;
906 907
        WCHAR dllpath[MAX_PATH+1];

908
        regdata.u.hkey = hkey;
909
        regdata.origin = CLASS_REG_REGISTRY;
910

911
        if (get_object_dll_path(&regdata, dllpath, ARRAY_SIZE(dllpath)))
912
        {
913
            if (!wcsicmp(dllpath, L"ole32.dll"))
914 915 916 917 918 919 920 921 922 923 924 925
            {
                RegCloseKey(hkey);
                return HandlerCF_Create(rclsid, riid, ppv);
            }
        }
        else
            WARN("not creating object for inproc handler path %s\n", debugstr_w(dllpath));
        RegCloseKey(hkey);
    }

    return CLASS_E_CLASSNOTAVAILABLE;
}
926

927 928 929
/***********************************************************************
 *		DllMain (OLE32.@)
 */
930
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID reserved)
931
{
932
    TRACE("%p 0x%x %p\n", hinstDLL, fdwReason, reserved);
933 934 935

    switch(fdwReason) {
    case DLL_PROCESS_ATTACH:
936
        hProxyDll = hinstDLL;
937 938 939
	break;

    case DLL_PROCESS_DETACH:
940
        clipbrd_destroy();
941
        if (reserved) break;
942
        release_std_git();
943
        break;
944 945 946 947
    }
    return TRUE;
}

948 949 950 951 952 953 954 955 956 957 958 959 960 961 962
/***********************************************************************
 *		DllRegisterServer (OLE32.@)
 */
HRESULT WINAPI DllRegisterServer(void)
{
    return OLE32_DllRegisterServer();
}

/***********************************************************************
 *		DllUnregisterServer (OLE32.@)
 */
HRESULT WINAPI DllUnregisterServer(void)
{
    return OLE32_DllUnregisterServer();
}