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