xref: /reactos/dll/win32/urlmon/urlmon_main.c (revision 53221834)
1 /*
2  * UrlMon
3  *
4  * Copyright (c) 2000 Patrik Stridvall
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20 
21 #include <stdarg.h>
22 
23 #define NONAMELESSUNION
24 
25 #include "urlmon_main.h"
26 
27 #include "winreg.h"
28 
29 #define NO_SHLWAPI_REG
30 #include "shlwapi.h"
31 #include "advpub.h"
32 #include "initguid.h"
33 
34 #include "wine/debug.h"
35 
36 #include "urlmon.h"
37 
38 WINE_DEFAULT_DEBUG_CHANNEL(urlmon);
39 
40 DEFINE_GUID(CLSID_CUri, 0xDF2FCE13, 0x25EC, 0x45BB, 0x9D,0x4C, 0xCE,0xCD,0x47,0xC2,0x43,0x0C);
41 
42 LONG URLMON_refCount = 0;
43 HINSTANCE urlmon_instance;
44 
45 static HMODULE hCabinet = NULL;
46 static DWORD urlmon_tls = TLS_OUT_OF_INDEXES;
47 
48 static void init_session(void);
49 
50 static struct list tls_list = LIST_INIT(tls_list);
51 
52 static CRITICAL_SECTION tls_cs;
53 static CRITICAL_SECTION_DEBUG tls_cs_dbg =
54 {
55     0, 0, &tls_cs,
56     { &tls_cs_dbg.ProcessLocksList, &tls_cs_dbg.ProcessLocksList },
57       0, 0, { (DWORD_PTR)(__FILE__ ": tls") }
58 };
59 
60 static CRITICAL_SECTION tls_cs = { &tls_cs_dbg, -1, 0, 0, 0, 0 };
61 
62 tls_data_t *get_tls_data(void)
63 {
64     tls_data_t *data;
65 
66     if(urlmon_tls == TLS_OUT_OF_INDEXES) {
67         DWORD tls = TlsAlloc();
68         if(tls == TLS_OUT_OF_INDEXES)
69             return NULL;
70 
71         tls = InterlockedCompareExchange((LONG*)&urlmon_tls, tls, TLS_OUT_OF_INDEXES);
72         if(tls != urlmon_tls)
73             TlsFree(tls);
74     }
75 
76     data = TlsGetValue(urlmon_tls);
77     if(!data) {
78         data = heap_alloc_zero(sizeof(tls_data_t));
79         if(!data)
80             return NULL;
81 
82         EnterCriticalSection(&tls_cs);
83         list_add_tail(&tls_list, &data->entry);
84         LeaveCriticalSection(&tls_cs);
85 
86         TlsSetValue(urlmon_tls, data);
87     }
88 
89     return data;
90 }
91 
92 static void free_tls_list(void)
93 {
94     tls_data_t *data;
95 
96     if(urlmon_tls == TLS_OUT_OF_INDEXES)
97         return;
98 
99     while(!list_empty(&tls_list)) {
100         data = LIST_ENTRY(list_head(&tls_list), tls_data_t, entry);
101         list_remove(&data->entry);
102         heap_free(data);
103     }
104 
105     TlsFree(urlmon_tls);
106 }
107 
108 static void detach_thread(void)
109 {
110     tls_data_t *data;
111 
112     if(urlmon_tls == TLS_OUT_OF_INDEXES)
113         return;
114 
115     data = TlsGetValue(urlmon_tls);
116     if(!data)
117         return;
118 
119     EnterCriticalSection(&tls_cs);
120     list_remove(&data->entry);
121     LeaveCriticalSection(&tls_cs);
122 
123     if(data->notif_hwnd) {
124         WARN("notif_hwnd not destroyed\n");
125         DestroyWindow(data->notif_hwnd);
126     }
127 
128     heap_free(data);
129 }
130 
131 static void process_detach(void)
132 {
133     HINTERNET internet_session;
134 
135     internet_session = get_internet_session(NULL);
136     if(internet_session)
137         InternetCloseHandle(internet_session);
138 
139     if (hCabinet)
140         FreeLibrary(hCabinet);
141 
142     free_session();
143     free_tls_list();
144     unregister_notif_wnd_class();
145 }
146 
147 /***********************************************************************
148  *		DllMain (URLMON.init)
149  */
150 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
151 {
152     TRACE("%p 0x%x %p\n", hinstDLL, fdwReason, fImpLoad);
153 
154     URLMON_DllMain( hinstDLL, fdwReason, fImpLoad );
155 
156     switch(fdwReason) {
157     case DLL_PROCESS_ATTACH:
158         urlmon_instance = hinstDLL;
159         init_session();
160         break;
161 
162     case DLL_PROCESS_DETACH:
163         if (fImpLoad) break;
164         process_detach();
165         DeleteCriticalSection(&tls_cs);
166         break;
167 
168     case DLL_THREAD_DETACH:
169         detach_thread();
170         break;
171     }
172     return TRUE;
173 }
174 
175 const char *debugstr_bindstatus(ULONG status)
176 {
177     switch(status) {
178 #define X(x) case x: return #x
179     X(BINDSTATUS_FINDINGRESOURCE);
180     X(BINDSTATUS_CONNECTING);
181     X(BINDSTATUS_REDIRECTING);
182     X(BINDSTATUS_BEGINDOWNLOADDATA);
183     X(BINDSTATUS_DOWNLOADINGDATA);
184     X(BINDSTATUS_ENDDOWNLOADDATA);
185     X(BINDSTATUS_BEGINDOWNLOADCOMPONENTS);
186     X(BINDSTATUS_INSTALLINGCOMPONENTS);
187     X(BINDSTATUS_ENDDOWNLOADCOMPONENTS);
188     X(BINDSTATUS_USINGCACHEDCOPY);
189     X(BINDSTATUS_SENDINGREQUEST);
190     X(BINDSTATUS_CLASSIDAVAILABLE);
191     X(BINDSTATUS_MIMETYPEAVAILABLE);
192     X(BINDSTATUS_CACHEFILENAMEAVAILABLE);
193     X(BINDSTATUS_BEGINSYNCOPERATION);
194     X(BINDSTATUS_ENDSYNCOPERATION);
195     X(BINDSTATUS_BEGINUPLOADDATA);
196     X(BINDSTATUS_UPLOADINGDATA);
197     X(BINDSTATUS_ENDUPLOADINGDATA);
198     X(BINDSTATUS_PROTOCOLCLASSID);
199     X(BINDSTATUS_ENCODING);
200     X(BINDSTATUS_VERIFIEDMIMETYPEAVAILABLE);
201     X(BINDSTATUS_CLASSINSTALLLOCATION);
202     X(BINDSTATUS_DECODING);
203     X(BINDSTATUS_LOADINGMIMEHANDLER);
204     X(BINDSTATUS_CONTENTDISPOSITIONATTACH);
205     X(BINDSTATUS_FILTERREPORTMIMETYPE);
206     X(BINDSTATUS_CLSIDCANINSTANTIATE);
207     X(BINDSTATUS_IUNKNOWNAVAILABLE);
208     X(BINDSTATUS_DIRECTBIND);
209     X(BINDSTATUS_RAWMIMETYPE);
210     X(BINDSTATUS_PROXYDETECTING);
211     X(BINDSTATUS_ACCEPTRANGES);
212     X(BINDSTATUS_COOKIE_SENT);
213     X(BINDSTATUS_COMPACT_POLICY_RECEIVED);
214     X(BINDSTATUS_COOKIE_SUPPRESSED);
215     X(BINDSTATUS_COOKIE_STATE_UNKNOWN);
216     X(BINDSTATUS_COOKIE_STATE_ACCEPT);
217     X(BINDSTATUS_COOKIE_STATE_REJECT);
218     X(BINDSTATUS_COOKIE_STATE_PROMPT);
219     X(BINDSTATUS_COOKIE_STATE_LEASH);
220     X(BINDSTATUS_COOKIE_STATE_DOWNGRADE);
221     X(BINDSTATUS_POLICY_HREF);
222     X(BINDSTATUS_P3P_HEADER);
223     X(BINDSTATUS_SESSION_COOKIE_RECEIVED);
224     X(BINDSTATUS_PERSISTENT_COOKIE_RECEIVED);
225     X(BINDSTATUS_SESSION_COOKIES_ALLOWED);
226     X(BINDSTATUS_CACHECONTROL);
227     X(BINDSTATUS_CONTENTDISPOSITIONFILENAME);
228     X(BINDSTATUS_MIMETEXTPLAINMISMATCH);
229     X(BINDSTATUS_PUBLISHERAVAILABLE);
230     X(BINDSTATUS_DISPLAYNAMEAVAILABLE);
231 #undef X
232     default:
233         return wine_dbg_sprintf("(invalid status %u)", status);
234     }
235 }
236 
237 /***********************************************************************
238  *		DllInstall (URLMON.@)
239  */
240 HRESULT WINAPI DllInstall(BOOL bInstall, LPCWSTR cmdline)
241 {
242   FIXME("(%s, %s): stub\n", bInstall?"TRUE":"FALSE",
243 	debugstr_w(cmdline));
244 
245   return S_OK;
246 }
247 
248 /***********************************************************************
249  *		DllCanUnloadNow (URLMON.@)
250  */
251 HRESULT WINAPI DllCanUnloadNow(void)
252 {
253     return URLMON_refCount != 0 ? S_FALSE : S_OK;
254 }
255 
256 
257 
258 /******************************************************************************
259  * Urlmon ClassFactory
260  */
261 typedef struct {
262     IClassFactory IClassFactory_iface;
263 
264     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
265 } ClassFactory;
266 
267 static inline ClassFactory *impl_from_IClassFactory(IClassFactory *iface)
268 {
269     return CONTAINING_RECORD(iface, ClassFactory, IClassFactory_iface);
270 }
271 
272 static HRESULT WINAPI CF_QueryInterface(IClassFactory *iface, REFIID riid, LPVOID *ppv)
273 {
274     *ppv = NULL;
275 
276     if(IsEqualGUID(riid, &IID_IUnknown)) {
277         TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
278         *ppv = iface;
279     }else if(IsEqualGUID(riid, &IID_IClassFactory)) {
280         TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
281         *ppv = iface;
282     }
283 
284     if(*ppv) {
285 	IUnknown_AddRef((IUnknown*)*ppv);
286 	return S_OK;
287     }
288 
289     WARN("(%p)->(%s,%p),not found\n", iface, debugstr_guid(riid), ppv);
290     return E_NOINTERFACE;
291 }
292 
293 static ULONG WINAPI CF_AddRef(IClassFactory *iface)
294 {
295     URLMON_LockModule();
296     return 2;
297 }
298 
299 static ULONG WINAPI CF_Release(IClassFactory *iface)
300 {
301     URLMON_UnlockModule();
302     return 1;
303 }
304 
305 
306 static HRESULT WINAPI CF_CreateInstance(IClassFactory *iface, IUnknown *outer,
307                                         REFIID riid, void **ppv)
308 {
309     ClassFactory *This = impl_from_IClassFactory(iface);
310     IUnknown *unk;
311     HRESULT hres;
312 
313     TRACE("(%p)->(%p %s %p)\n", This, outer, debugstr_guid(riid), ppv);
314 
315     if(outer && !IsEqualGUID(riid, &IID_IUnknown)) {
316         *ppv = NULL;
317         return CLASS_E_NOAGGREGATION;
318     }
319 
320     hres = This->pfnCreateInstance(outer, (void**)&unk);
321     if(FAILED(hres)) {
322         *ppv = NULL;
323         return hres;
324     }
325 
326     if(!IsEqualGUID(riid, &IID_IUnknown)) {
327         hres = IUnknown_QueryInterface(unk, riid, ppv);
328         IUnknown_Release(unk);
329     }else {
330         *ppv = unk;
331     }
332     return hres;
333 }
334 
335 static HRESULT WINAPI CF_LockServer(LPCLASSFACTORY iface,BOOL dolock)
336 {
337     TRACE("(%d)\n", dolock);
338 
339     if (dolock)
340 	   URLMON_LockModule();
341     else
342 	   URLMON_UnlockModule();
343 
344     return S_OK;
345 }
346 
347 static const IClassFactoryVtbl ClassFactoryVtbl =
348 {
349     CF_QueryInterface,
350     CF_AddRef,
351     CF_Release,
352     CF_CreateInstance,
353     CF_LockServer
354 };
355 
356 static ClassFactory FileProtocolCF =
357     { { &ClassFactoryVtbl }, FileProtocol_Construct};
358 static ClassFactory FtpProtocolCF =
359     { { &ClassFactoryVtbl }, FtpProtocol_Construct};
360 static ClassFactory GopherProtocolCF =
361     { { &ClassFactoryVtbl }, GopherProtocol_Construct};
362 static ClassFactory HttpProtocolCF =
363     { { &ClassFactoryVtbl }, HttpProtocol_Construct};
364 static ClassFactory HttpSProtocolCF =
365     { { &ClassFactoryVtbl }, HttpSProtocol_Construct};
366 static ClassFactory MkProtocolCF =
367     { { &ClassFactoryVtbl }, MkProtocol_Construct};
368 static ClassFactory SecurityManagerCF =
369     { { &ClassFactoryVtbl }, SecManagerImpl_Construct};
370 static ClassFactory ZoneManagerCF =
371     { { &ClassFactoryVtbl }, ZoneMgrImpl_Construct};
372 static ClassFactory StdURLMonikerCF =
373     { { &ClassFactoryVtbl }, StdURLMoniker_Construct};
374 static ClassFactory MimeFilterCF =
375     { { &ClassFactoryVtbl }, MimeFilter_Construct};
376 static ClassFactory CUriCF =
377     { { &ClassFactoryVtbl }, Uri_Construct};
378 
379 struct object_creation_info
380 {
381     const CLSID *clsid;
382     IClassFactory *cf;
383     LPCWSTR protocol;
384 };
385 
386 static const WCHAR wszFile[] = {'f','i','l','e',0};
387 static const WCHAR wszFtp[]  = {'f','t','p',0};
388 static const WCHAR wszGopher[]  = {'g','o','p','h','e','r',0};
389 static const WCHAR wszHttp[] = {'h','t','t','p',0};
390 static const WCHAR wszHttps[] = {'h','t','t','p','s',0};
391 static const WCHAR wszMk[]   = {'m','k',0};
392 
393 static const struct object_creation_info object_creation[] =
394 {
395     { &CLSID_FileProtocol,            &FileProtocolCF.IClassFactory_iface,    wszFile },
396     { &CLSID_FtpProtocol,             &FtpProtocolCF.IClassFactory_iface,     wszFtp  },
397     { &CLSID_GopherProtocol,          &GopherProtocolCF.IClassFactory_iface,  wszGopher },
398     { &CLSID_HttpProtocol,            &HttpProtocolCF.IClassFactory_iface,    wszHttp },
399     { &CLSID_HttpSProtocol,           &HttpSProtocolCF.IClassFactory_iface,   wszHttps },
400     { &CLSID_MkProtocol,              &MkProtocolCF.IClassFactory_iface,      wszMk },
401     { &CLSID_InternetSecurityManager, &SecurityManagerCF.IClassFactory_iface, NULL    },
402     { &CLSID_InternetZoneManager,     &ZoneManagerCF.IClassFactory_iface,     NULL    },
403     { &CLSID_StdURLMoniker,           &StdURLMonikerCF.IClassFactory_iface,   NULL    },
404     { &CLSID_DeCompMimeFilter,        &MimeFilterCF.IClassFactory_iface,      NULL    },
405     { &CLSID_CUri,                    &CUriCF.IClassFactory_iface,            NULL    }
406 };
407 
408 static void init_session(void)
409 {
410     unsigned int i;
411 
412     for(i = 0; i < ARRAY_SIZE(object_creation); i++) {
413         if(object_creation[i].protocol)
414             register_namespace(object_creation[i].cf, object_creation[i].clsid,
415                                       object_creation[i].protocol, TRUE);
416     }
417 }
418 
419 /*******************************************************************************
420  * DllGetClassObject [URLMON.@]
421  * Retrieves class object from a DLL object
422  *
423  * NOTES
424  *    Docs say returns STDAPI
425  *
426  * PARAMS
427  *    rclsid [I] CLSID for the class object
428  *    riid   [I] Reference to identifier of interface for class object
429  *    ppv    [O] Address of variable to receive interface pointer for riid
430  *
431  * RETURNS
432  *    Success: S_OK
433  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
434  *             E_UNEXPECTED
435  */
436 
437 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
438 {
439     unsigned int i;
440     HRESULT hr;
441 
442     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
443 
444     for (i = 0; i < ARRAY_SIZE(object_creation); i++)
445     {
446 	if (IsEqualGUID(object_creation[i].clsid, rclsid))
447 	    return IClassFactory_QueryInterface(object_creation[i].cf, riid, ppv);
448     }
449 
450     hr = URLMON_DllGetClassObject(rclsid, riid, ppv);
451     if(SUCCEEDED(hr))
452         return hr;
453 
454     FIXME("%s: no class found.\n", debugstr_guid(rclsid));
455     return CLASS_E_CLASSNOTAVAILABLE;
456 }
457 
458 static HRESULT register_inf(BOOL doregister)
459 {
460     HRESULT (WINAPI *pRegInstall)(HMODULE hm, LPCSTR pszSection, const STRTABLEA* pstTable);
461     HMODULE hAdvpack;
462 
463     static const WCHAR wszAdvpack[] = {'a','d','v','p','a','c','k','.','d','l','l',0};
464 
465     hAdvpack = LoadLibraryW(wszAdvpack);
466     pRegInstall = (void *)GetProcAddress(hAdvpack, "RegInstall");
467 
468     return pRegInstall(hProxyDll, doregister ? "RegisterDll" : "UnregisterDll", NULL);
469 }
470 
471 /***********************************************************************
472  *		DllRegisterServer (URLMON.@)
473  */
474 HRESULT WINAPI DllRegisterServer(void)
475 {
476     HRESULT hr;
477 
478     TRACE("\n");
479 
480     hr = URLMON_DllRegisterServer();
481     return SUCCEEDED(hr) ? register_inf(TRUE) : hr;
482 }
483 
484 /***********************************************************************
485  *		DllUnregisterServer (URLMON.@)
486  */
487 HRESULT WINAPI DllUnregisterServer(void)
488 {
489     HRESULT hr;
490 
491     TRACE("\n");
492 
493     hr = URLMON_DllUnregisterServer();
494     return SUCCEEDED(hr) ? register_inf(FALSE) : hr;
495 }
496 
497 /***********************************************************************
498  *		DllRegisterServerEx (URLMON.@)
499  */
500 HRESULT WINAPI DllRegisterServerEx(void)
501 {
502     FIXME("(void): stub\n");
503 
504     return E_FAIL;
505 }
506 
507 /**************************************************************************
508  *                 IsValidURL (URLMON.@)
509  *
510  * Determines if a specified string is a valid URL.
511  *
512  * PARAMS
513  *  pBC        [I] ignored, should be NULL.
514  *  szURL      [I] string that represents the URL in question.
515  *  dwReserved [I] reserved and must be zero.
516  *
517  * RETURNS
518  *  Success: S_OK.
519  *  Failure: S_FALSE.
520  *  returns E_INVALIDARG if one or more of the args is invalid.
521  *
522  * TODO:
523  *  test functionality against windows to see what a valid URL is.
524  */
525 HRESULT WINAPI IsValidURL(LPBC pBC, LPCWSTR szURL, DWORD dwReserved)
526 {
527     FIXME("(%p, %s, %d): stub\n", pBC, debugstr_w(szURL), dwReserved);
528 
529     if (dwReserved || !szURL)
530         return E_INVALIDARG;
531 
532     return S_OK;
533 }
534 
535 /**************************************************************************
536  *                 FaultInIEFeature (URLMON.@)
537  *
538  *  Undocumented.  Appears to be used by native shdocvw.dll.
539  */
540 HRESULT WINAPI FaultInIEFeature( HWND hwnd, uCLSSPEC * pClassSpec,
541                                  QUERYCONTEXT *pQuery, DWORD flags )
542 {
543     FIXME("%p %p %p %08x\n", hwnd, pClassSpec, pQuery, flags);
544     return E_NOTIMPL;
545 }
546 
547 /**************************************************************************
548  *                 CoGetClassObjectFromURL (URLMON.@)
549  */
550 HRESULT WINAPI CoGetClassObjectFromURL( REFCLSID rclsid, LPCWSTR szCodeURL, DWORD dwFileVersionMS,
551                                         DWORD dwFileVersionLS, LPCWSTR szContentType,
552                                         LPBINDCTX pBindCtx, DWORD dwClsContext, LPVOID pvReserved,
553                                         REFIID riid, LPVOID *ppv )
554 {
555     FIXME("(%s %s %d %d %s %p %d %p %s %p) Stub!\n", debugstr_guid(rclsid), debugstr_w(szCodeURL),
556 	dwFileVersionMS, dwFileVersionLS, debugstr_w(szContentType), pBindCtx, dwClsContext, pvReserved,
557 	debugstr_guid(riid), ppv);
558     return E_NOINTERFACE;
559 }
560 
561 /***********************************************************************
562  *           ReleaseBindInfo (URLMON.@)
563  *
564  * Release the resources used by the specified BINDINFO structure.
565  *
566  * PARAMS
567  *  pbindinfo [I] BINDINFO to release.
568  *
569  * RETURNS
570  *  Nothing.
571  */
572 void WINAPI ReleaseBindInfo(BINDINFO* pbindinfo)
573 {
574     DWORD size;
575 
576     TRACE("(%p)\n", pbindinfo);
577 
578     if(!pbindinfo || !(size = pbindinfo->cbSize))
579         return;
580 
581     CoTaskMemFree(pbindinfo->szExtraInfo);
582     ReleaseStgMedium(&pbindinfo->stgmedData);
583 
584     if(offsetof(BINDINFO, szExtraInfo) < size)
585         CoTaskMemFree(pbindinfo->szCustomVerb);
586 
587     if(pbindinfo->pUnk && offsetof(BINDINFO, pUnk) < size)
588         IUnknown_Release(pbindinfo->pUnk);
589 
590     memset(pbindinfo, 0, size);
591     pbindinfo->cbSize = size;
592 }
593 
594 /***********************************************************************
595  *           CopyStgMedium (URLMON.@)
596  */
597 HRESULT WINAPI CopyStgMedium(const STGMEDIUM *src, STGMEDIUM *dst)
598 {
599     TRACE("(%p %p)\n", src, dst);
600 
601     if(!src || !dst)
602         return E_POINTER;
603 
604     *dst = *src;
605 
606     switch(dst->tymed) {
607     case TYMED_NULL:
608         break;
609     case TYMED_FILE:
610         if(src->u.lpszFileName && !src->pUnkForRelease) {
611             DWORD size = (lstrlenW(src->u.lpszFileName)+1)*sizeof(WCHAR);
612             dst->u.lpszFileName = CoTaskMemAlloc(size);
613             if(!dst->u.lpszFileName)
614                 return E_OUTOFMEMORY;
615             memcpy(dst->u.lpszFileName, src->u.lpszFileName, size);
616         }
617         break;
618     case TYMED_ISTREAM:
619         if(dst->u.pstm)
620             IStream_AddRef(dst->u.pstm);
621         break;
622     case TYMED_ISTORAGE:
623         if(dst->u.pstg)
624             IStorage_AddRef(dst->u.pstg);
625         break;
626     case TYMED_HGLOBAL:
627         if(dst->u.hGlobal) {
628             SIZE_T size = GlobalSize(src->u.hGlobal);
629             char *src_ptr, *dst_ptr;
630 
631             dst->u.hGlobal = GlobalAlloc(GMEM_FIXED, size);
632             if(!dst->u.hGlobal)
633                 return E_OUTOFMEMORY;
634             dst_ptr = GlobalLock(dst->u.hGlobal);
635             src_ptr = GlobalLock(src->u.hGlobal);
636             memcpy(dst_ptr, src_ptr, size);
637             GlobalUnlock(src_ptr);
638             GlobalUnlock(dst_ptr);
639         }
640         break;
641     default:
642         FIXME("Unimplemented tymed %d\n", src->tymed);
643     }
644 
645     if(dst->pUnkForRelease)
646         IUnknown_AddRef(dst->pUnkForRelease);
647 
648     return S_OK;
649 }
650 
651 /***********************************************************************
652  *           CopyBindInfo (URLMON.@)
653  */
654 HRESULT WINAPI CopyBindInfo(const BINDINFO *pcbiSrc, BINDINFO *pcbiDest)
655 {
656     DWORD size;
657     HRESULT hres;
658 
659     TRACE("(%p %p)\n", pcbiSrc, pcbiDest);
660 
661     if(!pcbiSrc || !pcbiDest)
662         return E_POINTER;
663     if(!pcbiSrc->cbSize || !pcbiDest->cbSize)
664         return E_INVALIDARG;
665 
666     size = pcbiDest->cbSize;
667     if(size > pcbiSrc->cbSize) {
668         memcpy(pcbiDest, pcbiSrc, pcbiSrc->cbSize);
669         memset((char*)pcbiDest+pcbiSrc->cbSize, 0, size-pcbiSrc->cbSize);
670     } else {
671         memcpy(pcbiDest, pcbiSrc, size);
672     }
673     pcbiDest->cbSize = size;
674 
675     size = FIELD_OFFSET(BINDINFO, szExtraInfo)+sizeof(void*);
676     if(pcbiSrc->cbSize>=size && pcbiDest->cbSize>=size && pcbiSrc->szExtraInfo) {
677         size = (lstrlenW(pcbiSrc->szExtraInfo)+1)*sizeof(WCHAR);
678         pcbiDest->szExtraInfo = CoTaskMemAlloc(size);
679         if(!pcbiDest->szExtraInfo)
680             return E_OUTOFMEMORY;
681         memcpy(pcbiDest->szExtraInfo, pcbiSrc->szExtraInfo, size);
682     }
683 
684     size = FIELD_OFFSET(BINDINFO, stgmedData)+sizeof(STGMEDIUM);
685     if(pcbiSrc->cbSize>=size && pcbiDest->cbSize>=size) {
686         hres = CopyStgMedium(&pcbiSrc->stgmedData, &pcbiDest->stgmedData);
687         if(FAILED(hres)) {
688             CoTaskMemFree(pcbiDest->szExtraInfo);
689             return hres;
690         }
691     }
692 
693     size = FIELD_OFFSET(BINDINFO, szCustomVerb)+sizeof(void*);
694     if(pcbiSrc->cbSize>=size && pcbiDest->cbSize>=size && pcbiSrc->szCustomVerb) {
695         size = (lstrlenW(pcbiSrc->szCustomVerb)+1)*sizeof(WCHAR);
696         pcbiDest->szCustomVerb = CoTaskMemAlloc(size);
697         if(!pcbiDest->szCustomVerb) {
698             CoTaskMemFree(pcbiDest->szExtraInfo);
699             ReleaseStgMedium(&pcbiDest->stgmedData);
700             return E_OUTOFMEMORY;
701         }
702         memcpy(pcbiDest->szCustomVerb, pcbiSrc->szCustomVerb, size);
703     }
704 
705     size = FIELD_OFFSET(BINDINFO, securityAttributes)+sizeof(SECURITY_ATTRIBUTES);
706     if(pcbiDest->cbSize >= size)
707         memset(&pcbiDest->securityAttributes, 0, sizeof(SECURITY_ATTRIBUTES));
708 
709     if(pcbiSrc->pUnk)
710         IUnknown_AddRef(pcbiDest->pUnk);
711 
712     return S_OK;
713 }
714 
715 /***********************************************************************
716  *           GetClassFileOrMime (URLMON.@)
717  *
718  * Determines the class ID from the bind context, file name or MIME type.
719  */
720 HRESULT WINAPI GetClassFileOrMime(LPBC pBC, LPCWSTR pszFilename,
721         LPVOID pBuffer, DWORD cbBuffer, LPCWSTR pszMimeType, DWORD dwReserved,
722         CLSID *pclsid)
723 {
724     FIXME("(%p, %s, %p, %d, %s, 0x%08x, %p): stub\n", pBC, debugstr_w(pszFilename), pBuffer,
725             cbBuffer, debugstr_w(pszMimeType), dwReserved, pclsid);
726     return E_NOTIMPL;
727 }
728 
729 /***********************************************************************
730  * Extract (URLMON.@)
731  */
732 HRESULT WINAPI Extract(void *dest, LPCSTR szCabName)
733 {
734     HRESULT (WINAPI *pExtract)(void *, LPCSTR);
735 
736     if (!hCabinet)
737         hCabinet = LoadLibraryA("cabinet.dll");
738 
739     if (!hCabinet) return HRESULT_FROM_WIN32(GetLastError());
740     pExtract = (void *)GetProcAddress(hCabinet, "Extract");
741     if (!pExtract) return HRESULT_FROM_WIN32(GetLastError());
742 
743     return pExtract(dest, szCabName);
744 }
745 
746 /***********************************************************************
747  *           IsLoggingEnabledA (URLMON.@)
748  */
749 BOOL WINAPI IsLoggingEnabledA(LPCSTR url)
750 {
751     FIXME("(%s)\n", debugstr_a(url));
752     return FALSE;
753 }
754 
755 /***********************************************************************
756  *           IsLoggingEnabledW (URLMON.@)
757  */
758 BOOL WINAPI IsLoggingEnabledW(LPCWSTR url)
759 {
760     FIXME("(%s)\n", debugstr_w(url));
761     return FALSE;
762 }
763 
764 /***********************************************************************
765  *           IsProtectedModeURL (URLMON.111)
766  *    Undocumented, added in IE7
767  */
768 BOOL WINAPI IsProtectedModeURL(const WCHAR *url)
769 {
770     FIXME("stub: %s\n", debugstr_w(url));
771     return TRUE;
772 }
773 
774 /***********************************************************************
775  *           LogSqmBits (URLMON.410)
776  *    Undocumented, added in IE8
777  */
778 int WINAPI LogSqmBits(DWORD unk1, DWORD unk2)
779 {
780     FIXME("stub: %d %d\n", unk1, unk2);
781     return 0;
782 }
783 
784 /***********************************************************************
785  *           LogSqmUXCommandOffsetInternal (URLMON.423)
786  *    Undocumented, added in IE8
787  */
788 void WINAPI LogSqmUXCommandOffsetInternal(DWORD unk1, DWORD unk2, DWORD unk3, DWORD unk4)
789 {
790     FIXME("stub: %d %d %d %d\n", unk1, unk2, unk3, unk4);
791 }
792 
793 /***********************************************************************
794  *           MapUriToBrowserEmulationState (URLMON.444)
795  *    Undocumented, added in IE8
796  */
797 int WINAPI MapUriToBrowserEmulationState(DWORD unk1, DWORD unk2, DWORD unk3)
798 {
799     FIXME("stub: %d %d %d\n", unk1, unk2, unk3);
800     return 0;
801 }
802 
803 /***********************************************************************
804  *           MapBrowserEmulationModeToUserAgent (URLMON.445)
805  *    Undocumented, added in IE8
806  */
807 int WINAPI MapBrowserEmulationModeToUserAgent(DWORD unk1, DWORD unk2)
808 {
809     FIXME("stub: %d %d\n", unk1, unk2);
810     return 0;
811 }
812 
813 /***********************************************************************
814  *           CoInternetGetBrowserProfile (URLMON.446)
815  *    Undocumented, added in IE8
816  */
817 HRESULT WINAPI CoInternetGetBrowserProfile(DWORD unk)
818 {
819     FIXME("%x: stub\n", unk);
820     return E_NOTIMPL;
821 }
822 
823 /***********************************************************************
824  *           FlushUrlmonZonesCache (URLMON.455)
825  *    Undocumented, added in IE8
826  */
827 void WINAPI FlushUrlmonZonesCache(void)
828 {
829     FIXME("stub\n");
830 }
831 
832 /***********************************************************************
833  *            RegisterMediaTypes
834  *    Added in IE3, registers known MIME-type strings.
835  */
836 HRESULT WINAPI RegisterMediaTypes(UINT types, LPCSTR *szTypes, CLIPFORMAT *cfTypes)
837 {
838    FIXME("stub: %u %p %p\n", types, szTypes, cfTypes);
839    return E_INVALIDARG;
840 }
841 
842 /***********************************************************************
843  *            ShouldShowIntranetWarningSecband
844  *    Undocumented, added in IE7
845  */
846 BOOL WINAPI ShouldShowIntranetWarningSecband(DWORD unk)
847 {
848     FIXME("%x: stub\n", unk);
849     return FALSE;
850 }
851 
852 /***********************************************************************
853  *           GetIUriPriv (urlmon.@)
854  *
855  * Not documented.
856  */
857 HRESULT WINAPI GetIUriPriv(IUri *uri, void **p)
858 {
859     FIXME("(%p,%p): stub\n", uri, p);
860     *p = NULL;
861     return E_NOTIMPL;
862 }
863