git.oblomov.eu Git - wine/blob - dlls/vbscript/vbscript.c

   1 /*
   2  * Copyright 2011 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19
  20 #include <assert.h>
  21
  22 #include "vbscript.h"
  23 #include "objsafe.h"
  24
  25 #include "wine/debug.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(vbscript);
  28
  29 #ifdef _WIN64
  30
  31 #define CTXARG_T DWORDLONG
  32 #define IActiveScriptParseVtbl IActiveScriptParse64Vtbl
  33
  34 #else
  35
  36 #define CTXARG_T DWORD
  37 #define IActiveScriptParseVtbl IActiveScriptParse32Vtbl
  38
  39 #endif
  40
  41 struct VBScript {
  42     IActiveScript IActiveScript_iface;
  43     IActiveScriptParse IActiveScriptParse_iface;
  44     IObjectSafety IObjectSafety_iface;
  45
  46     LONG ref;
  47
  48     DWORD safeopt;
  49     SCRIPTSTATE state;
  50     IActiveScriptSite *site;
  51     script_ctx_t *ctx;
  52     LONG thread_id;
  53     LCID lcid;
  54 };
  55
  56 static void change_state(VBScript *This, SCRIPTSTATE state)
  57 {
  58     if(This->state == state)
  59         return;
  60
  61     This->state = state;
  62     if(This->site)
  63         IActiveScriptSite_OnStateChange(This->site, state);
  64 }
  65
  66 static inline BOOL is_started(VBScript *This)
  67 {
  68     return This->state == SCRIPTSTATE_STARTED
  69         || This->state == SCRIPTSTATE_CONNECTED
  70         || This->state == SCRIPTSTATE_DISCONNECTED;
  71 }
  72
  73 static HRESULT exec_global_code(script_ctx_t *ctx, vbscode_t *code)
  74 {
  75     HRESULT hres;
  76
  77     code->global_executed = TRUE;
  78
  79     IActiveScriptSite_OnEnterScript(ctx->site);
  80     hres = exec_script(ctx, &code->global_code, NULL, NULL, NULL);
  81     IActiveScriptSite_OnLeaveScript(ctx->site);
  82
  83     return hres;
  84 }
  85
  86 static void exec_queued_code(script_ctx_t *ctx)
  87 {
  88     vbscode_t *iter;
  89
  90     LIST_FOR_EACH_ENTRY(iter, &ctx->code_list, vbscode_t, entry) {
  91         if(!iter->global_executed)
  92             exec_global_code(ctx, iter);
  93     }
  94 }
  95
  96 static HRESULT set_ctx_site(VBScript *This)
  97 {
  98     HRESULT hres;
  99
 100     This->ctx->lcid = This->lcid;
 101
 102     hres = init_global(This->ctx);
 103     if(FAILED(hres))
 104         return hres;
 105
 106     IActiveScriptSite_AddRef(This->site);
 107     This->ctx->site = This->site;
 108
 109     change_state(This, SCRIPTSTATE_INITIALIZED);
 110     return S_OK;
 111 }
 112
 113 static void destroy_script(script_ctx_t *ctx)
 114 {
 115     collect_objects(ctx);
 116
 117     while(!list_empty(&ctx->code_list))
 118         release_vbscode(LIST_ENTRY(list_head(&ctx->code_list), vbscode_t, entry));
 119
 120     while(!list_empty(&ctx->named_items)) {
 121         named_item_t *iter = LIST_ENTRY(list_head(&ctx->named_items), named_item_t, entry);
 122
 123         list_remove(&iter->entry);
 124         if(iter->disp)
 125             IDispatch_Release(iter->disp);
 126         heap_free(iter->name);
 127         heap_free(iter);
 128     }
 129
 130     if(ctx->host_global)
 131         IDispatch_Release(ctx->host_global);
 132     if(ctx->secmgr)
 133         IInternetHostSecurityManager_Release(ctx->secmgr);
 134     if(ctx->site)
 135         IActiveScriptSite_Release(ctx->site);
 136     if(ctx->err_obj)
 137         IDispatchEx_Release(&ctx->err_obj->IDispatchEx_iface);
 138     if(ctx->global_obj)
 139         IDispatchEx_Release(&ctx->global_obj->IDispatchEx_iface);
 140     if(ctx->script_obj)
 141         IDispatchEx_Release(&ctx->script_obj->IDispatchEx_iface);
 142     vbsheap_free(&ctx->heap);
 143     heap_free(ctx);
 144 }
 145
 146 static void decrease_state(VBScript *This, SCRIPTSTATE state)
 147 {
 148     switch(This->state) {
 149     case SCRIPTSTATE_CONNECTED:
 150         change_state(This, SCRIPTSTATE_DISCONNECTED);
 151         if(state == SCRIPTSTATE_DISCONNECTED)
 152             return;
 153         /* FALLTHROUGH */
 154     case SCRIPTSTATE_STARTED:
 155     case SCRIPTSTATE_DISCONNECTED:
 156         if(This->state == SCRIPTSTATE_DISCONNECTED)
 157             change_state(This, SCRIPTSTATE_INITIALIZED);
 158         if(state == SCRIPTSTATE_INITIALIZED)
 159             break;
 160         /* FALLTHROUGH */
 161     case SCRIPTSTATE_INITIALIZED:
 162     case SCRIPTSTATE_UNINITIALIZED:
 163         change_state(This, state);
 164
 165         if(This->site) {
 166             IActiveScriptSite_Release(This->site);
 167             This->site = NULL;
 168         }
 169
 170         This->thread_id = 0;
 171
 172         if(state == SCRIPTSTATE_CLOSED) {
 173             destroy_script(This->ctx);
 174             This->ctx = NULL;
 175         }
 176
 177         break;
 178     default:
 179         assert(0);
 180     }
 181 }
 182
 183 static inline VBScript *impl_from_IActiveScript(IActiveScript *iface)
 184 {
 185     return CONTAINING_RECORD(iface, VBScript, IActiveScript_iface);
 186 }
 187
 188 static HRESULT WINAPI VBScript_QueryInterface(IActiveScript *iface, REFIID riid, void **ppv)
 189 {
 190     VBScript *This = impl_from_IActiveScript(iface);
 191
 192     if(IsEqualGUID(riid, &IID_IUnknown)) {
 193         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 194         *ppv = &This->IActiveScript_iface;
 195     }else if(IsEqualGUID(riid, &IID_IActiveScript)) {
 196         TRACE("(%p)->(IID_IActiveScript %p)\n", This, ppv);
 197         *ppv = &This->IActiveScript_iface;
 198     }else if(IsEqualGUID(riid, &IID_IActiveScriptParse)) {
 199         TRACE("(%p)->(IID_IActiveScriptParse %p)\n", This, ppv);
 200         *ppv = &This->IActiveScriptParse_iface;
 201     }else if(IsEqualGUID(riid, &IID_IObjectSafety)) {
 202         TRACE("(%p)->(IID_IObjectSafety %p)\n", This, ppv);
 203         *ppv = &This->IObjectSafety_iface;
 204     }else {
 205         FIXME("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 206         *ppv = NULL;
 207         return E_NOINTERFACE;
 208     }
 209
 210     IUnknown_AddRef((IUnknown*)*ppv);
 211     return S_OK;
 212 }
 213
 214 static ULONG WINAPI VBScript_AddRef(IActiveScript *iface)
 215 {
 216     VBScript *This = impl_from_IActiveScript(iface);
 217     LONG ref = InterlockedIncrement(&This->ref);
 218
 219     TRACE("(%p) ref=%d\n", This, ref);
 220
 221     return ref;
 222 }
 223
 224 static ULONG WINAPI VBScript_Release(IActiveScript *iface)
 225 {
 226     VBScript *This = impl_from_IActiveScript(iface);
 227     LONG ref = InterlockedDecrement(&This->ref);
 228
 229     TRACE("(%p) ref=%d\n", iface, ref);
 230
 231     if(!ref) {
 232         if(This->site)
 233             IActiveScriptSite_Release(This->site);
 234         heap_free(This);
 235     }
 236
 237     return ref;
 238 }
 239
 240 static HRESULT WINAPI VBScript_SetScriptSite(IActiveScript *iface, IActiveScriptSite *pass)
 241 {
 242     VBScript *This = impl_from_IActiveScript(iface);
 243     LCID lcid;
 244     HRESULT hres;
 245
 246     TRACE("(%p)->(%p)\n", This, pass);
 247
 248     if(!pass)
 249         return E_POINTER;
 250
 251     if(This->site)
 252         return E_UNEXPECTED;
 253
 254     if(InterlockedCompareExchange(&This->thread_id, GetCurrentThreadId(), 0))
 255         return E_UNEXPECTED;
 256
 257     This->site = pass;
 258     IActiveScriptSite_AddRef(This->site);
 259
 260     hres = IActiveScriptSite_GetLCID(This->site, &lcid);
 261     if(hres == S_OK)
 262         This->lcid = lcid;
 263
 264     return This->ctx ? set_ctx_site(This) : S_OK;
 265 }
 266
 267 static HRESULT WINAPI VBScript_GetScriptSite(IActiveScript *iface, REFIID riid,
 268                                             void **ppvObject)
 269 {
 270     VBScript *This = impl_from_IActiveScript(iface);
 271     FIXME("(%p)->()\n", This);
 272     return E_NOTIMPL;
 273 }
 274
 275 static HRESULT WINAPI VBScript_SetScriptState(IActiveScript *iface, SCRIPTSTATE ss)
 276 {
 277     VBScript *This = impl_from_IActiveScript(iface);
 278
 279     TRACE("(%p)->(%d)\n", This, ss);
 280
 281     if(This->thread_id && GetCurrentThreadId() != This->thread_id)
 282         return E_UNEXPECTED;
 283
 284     if(ss == SCRIPTSTATE_UNINITIALIZED) {
 285         if(This->state == SCRIPTSTATE_CLOSED)
 286             return E_UNEXPECTED;
 287
 288         decrease_state(This, SCRIPTSTATE_UNINITIALIZED);
 289         return S_OK;
 290     }
 291
 292     if(!This->ctx)
 293         return E_UNEXPECTED;
 294
 295     switch(ss) {
 296     case SCRIPTSTATE_STARTED:
 297     case SCRIPTSTATE_CONNECTED: /* FIXME */
 298         if(This->state == SCRIPTSTATE_CLOSED)
 299             return E_UNEXPECTED;
 300
 301         exec_queued_code(This->ctx);
 302         break;
 303     case SCRIPTSTATE_INITIALIZED:
 304         FIXME("unimplemented SCRIPTSTATE_INITIALIZED\n");
 305         return S_OK;
 306     default:
 307         FIXME("unimplemented state %d\n", ss);
 308         return E_NOTIMPL;
 309     }
 310
 311     change_state(This, ss);
 312     return S_OK;
 313 }
 314
 315 static HRESULT WINAPI VBScript_GetScriptState(IActiveScript *iface, SCRIPTSTATE *pssState)
 316 {
 317     VBScript *This = impl_from_IActiveScript(iface);
 318
 319     TRACE("(%p)->(%p)\n", This, pssState);
 320
 321     if(!pssState)
 322         return E_POINTER;
 323
 324     if(This->thread_id && This->thread_id != GetCurrentThreadId())
 325         return E_UNEXPECTED;
 326
 327     *pssState = This->state;
 328     return S_OK;
 329 }
 330
 331 static HRESULT WINAPI VBScript_Close(IActiveScript *iface)
 332 {
 333     VBScript *This = impl_from_IActiveScript(iface);
 334
 335     TRACE("(%p)->()\n", This);
 336
 337     if(This->thread_id && This->thread_id != GetCurrentThreadId())
 338         return E_UNEXPECTED;
 339
 340     decrease_state(This, SCRIPTSTATE_CLOSED);
 341     return S_OK;
 342 }
 343
 344 static HRESULT WINAPI VBScript_AddNamedItem(IActiveScript *iface, LPCOLESTR pstrName, DWORD dwFlags)
 345 {
 346     VBScript *This = impl_from_IActiveScript(iface);
 347     named_item_t *item;
 348     IDispatch *disp = NULL;
 349     HRESULT hres;
 350
 351     TRACE("(%p)->(%s %x)\n", This, debugstr_w(pstrName), dwFlags);
 352
 353     if(This->thread_id != GetCurrentThreadId() || !This->ctx || This->state == SCRIPTSTATE_CLOSED)
 354         return E_UNEXPECTED;
 355
 356     if(dwFlags & SCRIPTITEM_GLOBALMEMBERS) {
 357         IUnknown *unk;
 358
 359         hres = IActiveScriptSite_GetItemInfo(This->site, pstrName, SCRIPTINFO_IUNKNOWN, &unk, NULL);
 360         if(FAILED(hres)) {
 361             WARN("GetItemInfo failed: %08x\n", hres);
 362             return hres;
 363         }
 364
 365         hres = IUnknown_QueryInterface(unk, &IID_IDispatch, (void**)&disp);
 366         IUnknown_Release(unk);
 367         if(FAILED(hres)) {
 368             WARN("object does not implement IDispatch\n");
 369             return hres;
 370         }
 371
 372         if(This->ctx->host_global)
 373             IDispatch_Release(This->ctx->host_global);
 374         IDispatch_AddRef(disp);
 375         This->ctx->host_global = disp;
 376     }
 377
 378     item = heap_alloc(sizeof(*item));
 379     if(!item) {
 380         if(disp)
 381             IDispatch_Release(disp);
 382         return E_OUTOFMEMORY;
 383     }
 384
 385     item->disp = disp;
 386     item->flags = dwFlags;
 387     item->name = heap_strdupW(pstrName);
 388     if(!item->name) {
 389         if(disp)
 390             IDispatch_Release(disp);
 391         heap_free(item);
 392         return E_OUTOFMEMORY;
 393     }
 394
 395     list_add_tail(&This->ctx->named_items, &item->entry);
 396     return S_OK;
 397 }
 398
 399 static HRESULT WINAPI VBScript_AddTypeLib(IActiveScript *iface, REFGUID rguidTypeLib,
 400         DWORD dwMajor, DWORD dwMinor, DWORD dwFlags)
 401 {
 402     VBScript *This = impl_from_IActiveScript(iface);
 403     FIXME("(%p)->()\n", This);
 404     return E_NOTIMPL;
 405 }
 406
 407 static HRESULT WINAPI VBScript_GetScriptDispatch(IActiveScript *iface, LPCOLESTR pstrItemName, IDispatch **ppdisp)
 408 {
 409     VBScript *This = impl_from_IActiveScript(iface);
 410
 411     TRACE("(%p)->(%p)\n", This, ppdisp);
 412
 413     if(!ppdisp)
 414         return E_POINTER;
 415
 416     if(This->thread_id != GetCurrentThreadId() || !This->ctx->script_obj) {
 417         *ppdisp = NULL;
 418         return E_UNEXPECTED;
 419     }
 420
 421     *ppdisp = (IDispatch*)&This->ctx->script_obj->IDispatchEx_iface;
 422     IDispatch_AddRef(*ppdisp);
 423     return S_OK;
 424 }
 425
 426 static HRESULT WINAPI VBScript_GetCurrentScriptThreadID(IActiveScript *iface,
 427                                                        SCRIPTTHREADID *pstridThread)
 428 {
 429     VBScript *This = impl_from_IActiveScript(iface);
 430     FIXME("(%p)->()\n", This);
 431     return E_NOTIMPL;
 432 }
 433
 434 static HRESULT WINAPI VBScript_GetScriptThreadID(IActiveScript *iface,
 435                                                 DWORD dwWin32ThreadId, SCRIPTTHREADID *pstidThread)
 436 {
 437     VBScript *This = impl_from_IActiveScript(iface);
 438     FIXME("(%p)->()\n", This);
 439     return E_NOTIMPL;
 440 }
 441
 442 static HRESULT WINAPI VBScript_GetScriptThreadState(IActiveScript *iface,
 443         SCRIPTTHREADID stidThread, SCRIPTTHREADSTATE *pstsState)
 444 {
 445     VBScript *This = impl_from_IActiveScript(iface);
 446     FIXME("(%p)->()\n", This);
 447     return E_NOTIMPL;
 448 }
 449
 450 static HRESULT WINAPI VBScript_InterruptScriptThread(IActiveScript *iface,
 451         SCRIPTTHREADID stidThread, const EXCEPINFO *pexcepinfo, DWORD dwFlags)
 452 {
 453     VBScript *This = impl_from_IActiveScript(iface);
 454     FIXME("(%p)->()\n", This);
 455     return E_NOTIMPL;
 456 }
 457
 458 static HRESULT WINAPI VBScript_Clone(IActiveScript *iface, IActiveScript **ppscript)
 459 {
 460     VBScript *This = impl_from_IActiveScript(iface);
 461     FIXME("(%p)->()\n", This);
 462     return E_NOTIMPL;
 463 }
 464
 465 static const IActiveScriptVtbl VBScriptVtbl = {
 466     VBScript_QueryInterface,
 467     VBScript_AddRef,
 468     VBScript_Release,
 469     VBScript_SetScriptSite,
 470     VBScript_GetScriptSite,
 471     VBScript_SetScriptState,
 472     VBScript_GetScriptState,
 473     VBScript_Close,
 474     VBScript_AddNamedItem,
 475     VBScript_AddTypeLib,
 476     VBScript_GetScriptDispatch,
 477     VBScript_GetCurrentScriptThreadID,
 478     VBScript_GetScriptThreadID,
 479     VBScript_GetScriptThreadState,
 480     VBScript_InterruptScriptThread,
 481     VBScript_Clone
 482 };
 483
 484 static inline VBScript *impl_from_IActiveScriptParse(IActiveScriptParse *iface)
 485 {
 486     return CONTAINING_RECORD(iface, VBScript, IActiveScriptParse_iface);
 487 }
 488
 489 static HRESULT WINAPI VBScriptParse_QueryInterface(IActiveScriptParse *iface, REFIID riid, void **ppv)
 490 {
 491     VBScript *This = impl_from_IActiveScriptParse(iface);
 492     return IActiveScript_QueryInterface(&This->IActiveScript_iface, riid, ppv);
 493 }
 494
 495 static ULONG WINAPI VBScriptParse_AddRef(IActiveScriptParse *iface)
 496 {
 497     VBScript *This = impl_from_IActiveScriptParse(iface);
 498     return IActiveScript_AddRef(&This->IActiveScript_iface);
 499 }
 500
 501 static ULONG WINAPI VBScriptParse_Release(IActiveScriptParse *iface)
 502 {
 503     VBScript *This = impl_from_IActiveScriptParse(iface);
 504     return IActiveScript_Release(&This->IActiveScript_iface);
 505 }
 506
 507 static HRESULT WINAPI VBScriptParse_InitNew(IActiveScriptParse *iface)
 508 {
 509     VBScript *This = impl_from_IActiveScriptParse(iface);
 510     script_ctx_t *ctx, *old_ctx;
 511
 512     TRACE("(%p)\n", This);
 513
 514     if(This->ctx)
 515         return E_UNEXPECTED;
 516
 517     ctx = heap_alloc_zero(sizeof(script_ctx_t));
 518     if(!ctx)
 519         return E_OUTOFMEMORY;
 520
 521     ctx->safeopt = This->safeopt;
 522     vbsheap_init(&ctx->heap);
 523     list_init(&ctx->objects);
 524     list_init(&ctx->code_list);
 525     list_init(&ctx->named_items);
 526
 527     old_ctx = InterlockedCompareExchangePointer((void**)&This->ctx, ctx, NULL);
 528     if(old_ctx) {
 529         destroy_script(ctx);
 530         return E_UNEXPECTED;
 531     }
 532
 533     return This->site ? set_ctx_site(This) : S_OK;
 534 }
 535
 536 static HRESULT WINAPI VBScriptParse_AddScriptlet(IActiveScriptParse *iface,
 537         LPCOLESTR pstrDefaultName, LPCOLESTR pstrCode, LPCOLESTR pstrItemName,
 538         LPCOLESTR pstrSubItemName, LPCOLESTR pstrEventName, LPCOLESTR pstrDelimiter,
 539         CTXARG_T dwSourceContextCookie, ULONG ulStartingLineNumber, DWORD dwFlags,
 540         BSTR *pbstrName, EXCEPINFO *pexcepinfo)
 541 {
 542     VBScript *This = impl_from_IActiveScriptParse(iface);
 543     FIXME("(%p)->(%s %s %s %s %s %s %s %u %x %p %p)\n", This, debugstr_w(pstrDefaultName),
 544           debugstr_w(pstrCode), debugstr_w(pstrItemName), debugstr_w(pstrSubItemName),
 545           debugstr_w(pstrEventName), debugstr_w(pstrDelimiter), wine_dbgstr_longlong(dwSourceContextCookie),
 546           ulStartingLineNumber, dwFlags, pbstrName, pexcepinfo);
 547     return E_NOTIMPL;
 548 }
 549
 550 static HRESULT WINAPI VBScriptParse_ParseScriptText(IActiveScriptParse *iface,
 551         LPCOLESTR pstrCode, LPCOLESTR pstrItemName, IUnknown *punkContext,
 552         LPCOLESTR pstrDelimiter, CTXARG_T dwSourceContextCookie, ULONG ulStartingLine,
 553         DWORD dwFlags, VARIANT *pvarResult, EXCEPINFO *pexcepinfo)
 554 {
 555     VBScript *This = impl_from_IActiveScriptParse(iface);
 556     vbscode_t *code;
 557     HRESULT hres;
 558
 559     TRACE("(%p)->(%s %s %p %s %s %u %x %p %p)\n", This, debugstr_w(pstrCode),
 560           debugstr_w(pstrItemName), punkContext, debugstr_w(pstrDelimiter),
 561           wine_dbgstr_longlong(dwSourceContextCookie), ulStartingLine, dwFlags, pvarResult, pexcepinfo);
 562
 563     if(This->thread_id != GetCurrentThreadId() || This->state == SCRIPTSTATE_CLOSED)
 564         return E_UNEXPECTED;
 565
 566     hres = compile_script(This->ctx, pstrCode, &code);
 567     if(FAILED(hres))
 568         return hres;
 569
 570     return is_started(This) ? exec_global_code(This->ctx, code) : S_OK;
 571 }
 572
 573 static const IActiveScriptParseVtbl VBScriptParseVtbl = {
 574     VBScriptParse_QueryInterface,
 575     VBScriptParse_AddRef,
 576     VBScriptParse_Release,
 577     VBScriptParse_InitNew,
 578     VBScriptParse_AddScriptlet,
 579     VBScriptParse_ParseScriptText
 580 };
 581
 582 static inline VBScript *impl_from_IObjectSafety(IObjectSafety *iface)
 583 {
 584     return CONTAINING_RECORD(iface, VBScript, IObjectSafety_iface);
 585 }
 586
 587 static HRESULT WINAPI VBScriptSafety_QueryInterface(IObjectSafety *iface, REFIID riid, void **ppv)
 588 {
 589     VBScript *This = impl_from_IObjectSafety(iface);
 590     return IActiveScript_QueryInterface(&This->IActiveScript_iface, riid, ppv);
 591 }
 592
 593 static ULONG WINAPI VBScriptSafety_AddRef(IObjectSafety *iface)
 594 {
 595     VBScript *This = impl_from_IObjectSafety(iface);
 596     return IActiveScript_AddRef(&This->IActiveScript_iface);
 597 }
 598
 599 static ULONG WINAPI VBScriptSafety_Release(IObjectSafety *iface)
 600 {
 601     VBScript *This = impl_from_IObjectSafety(iface);
 602     return IActiveScript_Release(&This->IActiveScript_iface);
 603 }
 604
 605 #define SUPPORTED_OPTIONS (INTERFACESAFE_FOR_UNTRUSTED_DATA|INTERFACE_USES_DISPEX|INTERFACE_USES_SECURITY_MANAGER)
 606
 607 static HRESULT WINAPI VBScriptSafety_GetInterfaceSafetyOptions(IObjectSafety *iface, REFIID riid,
 608         DWORD *pdwSupportedOptions, DWORD *pdwEnabledOptions)
 609 {
 610     VBScript *This = impl_from_IObjectSafety(iface);
 611
 612     TRACE("(%p)->(%s %p %p)\n", This, debugstr_guid(riid), pdwSupportedOptions, pdwEnabledOptions);
 613
 614     if(!pdwSupportedOptions || !pdwEnabledOptions)
 615         return E_POINTER;
 616
 617     *pdwSupportedOptions = SUPPORTED_OPTIONS;
 618     *pdwEnabledOptions = This->safeopt;
 619     return S_OK;
 620 }
 621
 622 static HRESULT WINAPI VBScriptSafety_SetInterfaceSafetyOptions(IObjectSafety *iface, REFIID riid,
 623         DWORD dwOptionSetMask, DWORD dwEnabledOptions)
 624 {
 625     VBScript *This = impl_from_IObjectSafety(iface);
 626
 627     TRACE("(%p)->(%s %x %x)\n", This, debugstr_guid(riid), dwOptionSetMask, dwEnabledOptions);
 628
 629     if(dwOptionSetMask & ~SUPPORTED_OPTIONS)
 630         return E_FAIL;
 631
 632     This->safeopt = (dwEnabledOptions & dwOptionSetMask) | (This->safeopt & ~dwOptionSetMask) | INTERFACE_USES_DISPEX;
 633     return S_OK;
 634 }
 635
 636 static const IObjectSafetyVtbl VBScriptSafetyVtbl = {
 637     VBScriptSafety_QueryInterface,
 638     VBScriptSafety_AddRef,
 639     VBScriptSafety_Release,
 640     VBScriptSafety_GetInterfaceSafetyOptions,
 641     VBScriptSafety_SetInterfaceSafetyOptions
 642 };
 643
 644 HRESULT WINAPI VBScriptFactory_CreateInstance(IClassFactory *iface, IUnknown *pUnkOuter, REFIID riid, void **ppv)
 645 {
 646     VBScript *ret;
 647     HRESULT hres;
 648
 649     TRACE("(%p %s %p)\n", pUnkOuter, debugstr_guid(riid), ppv);
 650
 651     ret = heap_alloc_zero(sizeof(*ret));
 652     if(!ret)
 653         return E_OUTOFMEMORY;
 654
 655     ret->IActiveScript_iface.lpVtbl = &VBScriptVtbl;
 656     ret->IActiveScriptParse_iface.lpVtbl = &VBScriptParseVtbl;
 657     ret->IObjectSafety_iface.lpVtbl = &VBScriptSafetyVtbl;
 658
 659     ret->ref = 1;
 660     ret->state = SCRIPTSTATE_UNINITIALIZED;
 661     ret->safeopt = INTERFACE_USES_DISPEX;
 662
 663     hres = IActiveScript_QueryInterface(&ret->IActiveScript_iface, riid, ppv);
 664     IActiveScript_Release(&ret->IActiveScript_iface);
 665     return hres;
 666 }
 667
 668 typedef struct {
 669     IServiceProvider IServiceProvider_iface;
 670
 671     LONG ref;
 672
 673     IServiceProvider *sp;
 674 } AXSite;
 675
 676 static inline AXSite *impl_from_IServiceProvider(IServiceProvider *iface)
 677 {
 678     return CONTAINING_RECORD(iface, AXSite, IServiceProvider_iface);
 679 }
 680
 681 static HRESULT WINAPI AXSite_QueryInterface(IServiceProvider *iface, REFIID riid, void **ppv)
 682 {
 683     AXSite *This = impl_from_IServiceProvider(iface);
 684
 685     if(IsEqualGUID(&IID_IUnknown, riid)) {
 686         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 687         *ppv = &This->IServiceProvider_iface;
 688     }else if(IsEqualGUID(&IID_IServiceProvider, riid)) {
 689         TRACE("(%p)->(IID_IServiceProvider %p)\n", This, ppv);
 690         *ppv = &This->IServiceProvider_iface;
 691     }else {
 692         TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 693         *ppv = NULL;
 694         return E_NOINTERFACE;
 695     }
 696
 697     IUnknown_AddRef((IUnknown*)*ppv);
 698     return S_OK;
 699 }
 700
 701 static ULONG WINAPI AXSite_AddRef(IServiceProvider *iface)
 702 {
 703     AXSite *This = impl_from_IServiceProvider(iface);
 704     LONG ref = InterlockedIncrement(&This->ref);
 705
 706     TRACE("(%p) ref=%d\n", This, ref);
 707
 708     return ref;
 709 }
 710
 711 static ULONG WINAPI AXSite_Release(IServiceProvider *iface)
 712 {
 713     AXSite *This = impl_from_IServiceProvider(iface);
 714     LONG ref = InterlockedDecrement(&This->ref);
 715
 716     TRACE("(%p) ref=%d\n", This, ref);
 717
 718     if(!ref)
 719         heap_free(This);
 720
 721     return ref;
 722 }
 723
 724 static HRESULT WINAPI AXSite_QueryService(IServiceProvider *iface,
 725         REFGUID guidService, REFIID riid, void **ppv)
 726 {
 727     AXSite *This = impl_from_IServiceProvider(iface);
 728
 729     TRACE("(%p)->(%s %s %p)\n", This, debugstr_guid(guidService), debugstr_guid(riid), ppv);
 730
 731     return IServiceProvider_QueryService(This->sp, guidService, riid, ppv);
 732 }
 733
 734 static IServiceProviderVtbl AXSiteVtbl = {
 735     AXSite_QueryInterface,
 736     AXSite_AddRef,
 737     AXSite_Release,
 738     AXSite_QueryService
 739 };
 740
 741 IUnknown *create_ax_site(script_ctx_t *ctx)
 742 {
 743     IServiceProvider *sp;
 744     AXSite *ret;
 745     HRESULT hres;
 746
 747     hres = IActiveScriptSite_QueryInterface(ctx->site, &IID_IServiceProvider, (void**)&sp);
 748     if(FAILED(hres)) {
 749         ERR("Could not get IServiceProvider iface: %08x\n", hres);
 750         return NULL;
 751     }
 752
 753     ret = heap_alloc(sizeof(*ret));
 754     if(!ret) {
 755         IServiceProvider_Release(sp);
 756         return NULL;
 757     }
 758
 759     ret->IServiceProvider_iface.lpVtbl = &AXSiteVtbl;
 760     ret->ref = 1;
 761     ret->sp = sp;
 762
 763     return (IUnknown*)&ret->IServiceProvider_iface;
 764 }