dll/win32/urlmon/urlmon_main.c

   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 = (strlenW(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 = (strlenW(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 = (strlenW(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  *           FlushUrlmonZonesCache (URLMON.455)
 815  *    Undocumented, added in IE8
 816  */
 817 void WINAPI FlushUrlmonZonesCache(void)
 818 {
 819     FIXME("stub\n");
 820 }
 821
 822 /***********************************************************************
 823  *            RegisterMediaTypes
 824  *    Added in IE3, registers known MIME-type strings.
 825  */
 826 HRESULT WINAPI RegisterMediaTypes(UINT types, LPCSTR *szTypes, CLIPFORMAT *cfTypes)
 827 {
 828    FIXME("stub: %u %p %p\n", types, szTypes, cfTypes);
 829    return E_INVALIDARG;
 830 }