git.oblomov.eu Git - wine/blob - 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
  42 static HMODULE hCabinet = NULL;
  43 static DWORD urlmon_tls = TLS_OUT_OF_INDEXES;
  44
  45 static void init_session(void);
  46
  47 static struct list tls_list = LIST_INIT(tls_list);
  48
  49 static CRITICAL_SECTION tls_cs;
  50 static CRITICAL_SECTION_DEBUG tls_cs_dbg =
  51 {
  52     0, 0, &tls_cs,
  53     { &tls_cs_dbg.ProcessLocksList, &tls_cs_dbg.ProcessLocksList },
  54       0, 0, { (DWORD_PTR)(__FILE__ ": tls") }
  55 };
  56
  57 static CRITICAL_SECTION tls_cs = { &tls_cs_dbg, -1, 0, 0, 0, 0 };
  58
  59 tls_data_t *get_tls_data(void)
  60 {
  61     tls_data_t *data;
  62
  63     if(urlmon_tls == TLS_OUT_OF_INDEXES) {
  64         DWORD tls = TlsAlloc();
  65         if(tls == TLS_OUT_OF_INDEXES)
  66             return NULL;
  67
  68         tls = InterlockedCompareExchange((LONG*)&urlmon_tls, tls, TLS_OUT_OF_INDEXES);
  69         if(tls != urlmon_tls)
  70             TlsFree(tls);
  71     }
  72
  73     data = TlsGetValue(urlmon_tls);
  74     if(!data) {
  75         data = heap_alloc_zero(sizeof(tls_data_t));
  76         if(!data)
  77             return NULL;
  78
  79         EnterCriticalSection(&tls_cs);
  80         list_add_tail(&tls_list, &data->entry);
  81         LeaveCriticalSection(&tls_cs);
  82
  83         TlsSetValue(urlmon_tls, data);
  84     }
  85
  86     return data;
  87 }
  88
  89 static void free_tls_list(void)
  90 {
  91     tls_data_t *data;
  92
  93     if(urlmon_tls == TLS_OUT_OF_INDEXES)
  94         return;
  95
  96     while(!list_empty(&tls_list)) {
  97         data = LIST_ENTRY(list_head(&tls_list), tls_data_t, entry);
  98         list_remove(&data->entry);
  99         heap_free(data);
 100     }
 101
 102     TlsFree(urlmon_tls);
 103 }
 104
 105 static void detach_thread(void)
 106 {
 107     tls_data_t *data;
 108
 109     if(urlmon_tls == TLS_OUT_OF_INDEXES)
 110         return;
 111
 112     data = TlsGetValue(urlmon_tls);
 113     if(!data)
 114         return;
 115
 116     EnterCriticalSection(&tls_cs);
 117     list_remove(&data->entry);
 118     LeaveCriticalSection(&tls_cs);
 119
 120     if(data->notif_hwnd) {
 121         WARN("notif_hwnd not destroyed\n");
 122         DestroyWindow(data->notif_hwnd);
 123     }
 124
 125     heap_free(data);
 126 }
 127
 128 static void process_detach(void)
 129 {
 130     HINTERNET internet_session;
 131
 132     internet_session = get_internet_session(NULL);
 133     if(internet_session)
 134         InternetCloseHandle(internet_session);
 135
 136     if (hCabinet)
 137         FreeLibrary(hCabinet);
 138
 139     free_session();
 140     free_tls_list();
 141 }
 142
 143 /***********************************************************************
 144  *              DllMain (URLMON.init)
 145  */
 146 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
 147 {
 148     TRACE("%p 0x%x %p\n", hinstDLL, fdwReason, fImpLoad);
 149
 150     URLMON_DllMain( hinstDLL, fdwReason, fImpLoad );
 151
 152     switch(fdwReason) {
 153     case DLL_PROCESS_ATTACH:
 154         init_session();
 155         break;
 156
 157     case DLL_PROCESS_DETACH:
 158         process_detach();
 159         DeleteCriticalSection(&tls_cs);
 160         break;
 161
 162     case DLL_THREAD_DETACH:
 163         detach_thread();
 164         break;
 165     }
 166     return TRUE;
 167 }
 168
 169
 170 /***********************************************************************
 171  *              DllInstall (URLMON.@)
 172  */
 173 HRESULT WINAPI DllInstall(BOOL bInstall, LPCWSTR cmdline)
 174 {
 175   FIXME("(%s, %s): stub\n", bInstall?"TRUE":"FALSE",
 176         debugstr_w(cmdline));
 177
 178   return S_OK;
 179 }
 180
 181 /***********************************************************************
 182  *              DllCanUnloadNow (URLMON.@)
 183  */
 184 HRESULT WINAPI DllCanUnloadNow(void)
 185 {
 186     return URLMON_refCount != 0 ? S_FALSE : S_OK;
 187 }
 188
 189
 190
 191 /******************************************************************************
 192  * Urlmon ClassFactory
 193  */
 194 typedef struct {
 195     IClassFactory IClassFactory_iface;
 196
 197     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
 198 } ClassFactory;
 199
 200 static inline ClassFactory *impl_from_IClassFactory(IClassFactory *iface)
 201 {
 202     return CONTAINING_RECORD(iface, ClassFactory, IClassFactory_iface);
 203 }
 204
 205 static HRESULT WINAPI CF_QueryInterface(IClassFactory *iface, REFIID riid, LPVOID *ppv)
 206 {
 207     *ppv = NULL;
 208
 209     if(IsEqualGUID(riid, &IID_IUnknown)) {
 210         TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
 211         *ppv = iface;
 212     }else if(IsEqualGUID(riid, &IID_IClassFactory)) {
 213         TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
 214         *ppv = iface;
 215     }
 216
 217     if(*ppv) {
 218         IUnknown_AddRef((IUnknown*)*ppv);
 219         return S_OK;
 220     }
 221
 222     WARN("(%p)->(%s,%p),not found\n", iface, debugstr_guid(riid), ppv);
 223     return E_NOINTERFACE;
 224 }
 225
 226 static ULONG WINAPI CF_AddRef(IClassFactory *iface)
 227 {
 228     URLMON_LockModule();
 229     return 2;
 230 }
 231
 232 static ULONG WINAPI CF_Release(IClassFactory *iface)
 233 {
 234     URLMON_UnlockModule();
 235     return 1;
 236 }
 237
 238
 239 static HRESULT WINAPI CF_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
 240                                         REFIID riid, LPVOID *ppobj)
 241 {
 242     ClassFactory *This = impl_from_IClassFactory(iface);
 243     HRESULT hres;
 244     LPUNKNOWN punk;
 245
 246     TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 247
 248     *ppobj = NULL;
 249     if(SUCCEEDED(hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk))) {
 250         hres = IUnknown_QueryInterface(punk, riid, ppobj);
 251         IUnknown_Release(punk);
 252     }
 253     return hres;
 254 }
 255
 256 static HRESULT WINAPI CF_LockServer(LPCLASSFACTORY iface,BOOL dolock)
 257 {
 258     TRACE("(%d)\n", dolock);
 259
 260     if (dolock)
 261            URLMON_LockModule();
 262     else
 263            URLMON_UnlockModule();
 264
 265     return S_OK;
 266 }
 267
 268 static const IClassFactoryVtbl ClassFactoryVtbl =
 269 {
 270     CF_QueryInterface,
 271     CF_AddRef,
 272     CF_Release,
 273     CF_CreateInstance,
 274     CF_LockServer
 275 };
 276
 277 static ClassFactory FileProtocolCF =
 278     { { &ClassFactoryVtbl }, FileProtocol_Construct};
 279 static ClassFactory FtpProtocolCF =
 280     { { &ClassFactoryVtbl }, FtpProtocol_Construct};
 281 static ClassFactory GopherProtocolCF =
 282     { { &ClassFactoryVtbl }, GopherProtocol_Construct};
 283 static ClassFactory HttpProtocolCF =
 284     { { &ClassFactoryVtbl }, HttpProtocol_Construct};
 285 static ClassFactory HttpSProtocolCF =
 286     { { &ClassFactoryVtbl }, HttpSProtocol_Construct};
 287 static ClassFactory MkProtocolCF =
 288     { { &ClassFactoryVtbl }, MkProtocol_Construct};
 289 static ClassFactory SecurityManagerCF =
 290     { { &ClassFactoryVtbl }, SecManagerImpl_Construct};
 291 static ClassFactory ZoneManagerCF =
 292     { { &ClassFactoryVtbl }, ZoneMgrImpl_Construct};
 293 static ClassFactory StdURLMonikerCF =
 294     { { &ClassFactoryVtbl }, StdURLMoniker_Construct};
 295 static ClassFactory MimeFilterCF =
 296     { { &ClassFactoryVtbl }, MimeFilter_Construct};
 297 static ClassFactory CUriCF =
 298     { { &ClassFactoryVtbl }, Uri_Construct};
 299
 300 struct object_creation_info
 301 {
 302     const CLSID *clsid;
 303     IClassFactory *cf;
 304     LPCWSTR protocol;
 305 };
 306
 307 static const WCHAR wszFile[] = {'f','i','l','e',0};
 308 static const WCHAR wszFtp[]  = {'f','t','p',0};
 309 static const WCHAR wszGopher[]  = {'g','o','p','h','e','r',0};
 310 static const WCHAR wszHttp[] = {'h','t','t','p',0};
 311 static const WCHAR wszHttps[] = {'h','t','t','p','s',0};
 312 static const WCHAR wszMk[]   = {'m','k',0};
 313
 314 static const struct object_creation_info object_creation[] =
 315 {
 316     { &CLSID_FileProtocol,            &FileProtocolCF.IClassFactory_iface,    wszFile },
 317     { &CLSID_FtpProtocol,             &FtpProtocolCF.IClassFactory_iface,     wszFtp  },
 318     { &CLSID_GopherProtocol,          &GopherProtocolCF.IClassFactory_iface,  wszGopher },
 319     { &CLSID_HttpProtocol,            &HttpProtocolCF.IClassFactory_iface,    wszHttp },
 320     { &CLSID_HttpSProtocol,           &HttpSProtocolCF.IClassFactory_iface,   wszHttps },
 321     { &CLSID_MkProtocol,              &MkProtocolCF.IClassFactory_iface,      wszMk },
 322     { &CLSID_InternetSecurityManager, &SecurityManagerCF.IClassFactory_iface, NULL    },
 323     { &CLSID_InternetZoneManager,     &ZoneManagerCF.IClassFactory_iface,     NULL    },
 324     { &CLSID_StdURLMoniker,           &StdURLMonikerCF.IClassFactory_iface,   NULL    },
 325     { &CLSID_DeCompMimeFilter,        &MimeFilterCF.IClassFactory_iface,      NULL    },
 326     { &CLSID_CUri,                    &CUriCF.IClassFactory_iface,            NULL    }
 327 };
 328
 329 static void init_session(void)
 330 {
 331     unsigned int i;
 332
 333     for(i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++) {
 334         if(object_creation[i].protocol)
 335             register_namespace(object_creation[i].cf, object_creation[i].clsid,
 336                                       object_creation[i].protocol, TRUE);
 337     }
 338 }
 339
 340 /*******************************************************************************
 341  * DllGetClassObject [URLMON.@]
 342  * Retrieves class object from a DLL object
 343  *
 344  * NOTES
 345  *    Docs say returns STDAPI
 346  *
 347  * PARAMS
 348  *    rclsid [I] CLSID for the class object
 349  *    riid   [I] Reference to identifier of interface for class object
 350  *    ppv    [O] Address of variable to receive interface pointer for riid
 351  *
 352  * RETURNS
 353  *    Success: S_OK
 354  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 355  *             E_UNEXPECTED
 356  */
 357
 358 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 359 {
 360     unsigned int i;
 361     HRESULT hr;
 362
 363     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 364
 365     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 366     {
 367         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 368             return IClassFactory_QueryInterface(object_creation[i].cf, riid, ppv);
 369     }
 370
 371     hr = URLMON_DllGetClassObject(rclsid, riid, ppv);
 372     if(SUCCEEDED(hr))
 373         return hr;
 374
 375     FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 376     return CLASS_E_CLASSNOTAVAILABLE;
 377 }
 378
 379 static HRESULT register_inf(BOOL doregister)
 380 {
 381     HRESULT (WINAPI *pRegInstall)(HMODULE hm, LPCSTR pszSection, const STRTABLEA* pstTable);
 382     HMODULE hAdvpack;
 383
 384     static const WCHAR wszAdvpack[] = {'a','d','v','p','a','c','k','.','d','l','l',0};
 385
 386     hAdvpack = LoadLibraryW(wszAdvpack);
 387     pRegInstall = (void *)GetProcAddress(hAdvpack, "RegInstall");
 388
 389     return pRegInstall(hProxyDll, doregister ? "RegisterDll" : "UnregisterDll", NULL);
 390 }
 391
 392 /***********************************************************************
 393  *              DllRegisterServer (URLMON.@)
 394  */
 395 HRESULT WINAPI DllRegisterServer(void)
 396 {
 397     HRESULT hr;
 398
 399     TRACE("\n");
 400
 401     hr = URLMON_DllRegisterServer();
 402     return SUCCEEDED(hr) ? register_inf(TRUE) : hr;
 403 }
 404
 405 /***********************************************************************
 406  *              DllUnregisterServer (URLMON.@)
 407  */
 408 HRESULT WINAPI DllUnregisterServer(void)
 409 {
 410     HRESULT hr;
 411
 412     TRACE("\n");
 413
 414     hr = URLMON_DllUnregisterServer();
 415     return SUCCEEDED(hr) ? register_inf(FALSE) : hr;
 416 }
 417
 418 /***********************************************************************
 419  *              DllRegisterServerEx (URLMON.@)
 420  */
 421 HRESULT WINAPI DllRegisterServerEx(void)
 422 {
 423     FIXME("(void): stub\n");
 424
 425     return E_FAIL;
 426 }
 427
 428 /**************************************************************************
 429  *                 IsValidURL (URLMON.@)
 430  *
 431  * Determines if a specified string is a valid URL.
 432  *
 433  * PARAMS
 434  *  pBC        [I] ignored, should be NULL.
 435  *  szURL      [I] string that represents the URL in question.
 436  *  dwReserved [I] reserved and must be zero.
 437  *
 438  * RETURNS
 439  *  Success: S_OK.
 440  *  Failure: S_FALSE.
 441  *  returns E_INVALIDARG if one or more of the args is invalid.
 442  *
 443  * TODO:
 444  *  test functionality against windows to see what a valid URL is.
 445  */
 446 HRESULT WINAPI IsValidURL(LPBC pBC, LPCWSTR szURL, DWORD dwReserved)
 447 {
 448     FIXME("(%p, %s, %d): stub\n", pBC, debugstr_w(szURL), dwReserved);
 449
 450     if (dwReserved || !szURL)
 451         return E_INVALIDARG;
 452
 453     return S_OK;
 454 }
 455
 456 /**************************************************************************
 457  *                 FaultInIEFeature (URLMON.@)
 458  *
 459  *  Undocumented.  Appears to be used by native shdocvw.dll.
 460  */
 461 HRESULT WINAPI FaultInIEFeature( HWND hwnd, uCLSSPEC * pClassSpec,
 462                                  QUERYCONTEXT *pQuery, DWORD flags )
 463 {
 464     FIXME("%p %p %p %08x\n", hwnd, pClassSpec, pQuery, flags);
 465     return E_NOTIMPL;
 466 }
 467
 468 /**************************************************************************
 469  *                 CoGetClassObjectFromURL (URLMON.@)
 470  */
 471 HRESULT WINAPI CoGetClassObjectFromURL( REFCLSID rclsid, LPCWSTR szCodeURL, DWORD dwFileVersionMS,
 472                                         DWORD dwFileVersionLS, LPCWSTR szContentType,
 473                                         LPBINDCTX pBindCtx, DWORD dwClsContext, LPVOID pvReserved,
 474                                         REFIID riid, LPVOID *ppv )
 475 {
 476     FIXME("(%s %s %d %d %s %p %d %p %s %p) Stub!\n", debugstr_guid(rclsid), debugstr_w(szCodeURL),
 477         dwFileVersionMS, dwFileVersionLS, debugstr_w(szContentType), pBindCtx, dwClsContext, pvReserved,
 478         debugstr_guid(riid), ppv);
 479     return E_NOINTERFACE;
 480 }
 481
 482 /***********************************************************************
 483  *           ReleaseBindInfo (URLMON.@)
 484  *
 485  * Release the resources used by the specified BINDINFO structure.
 486  *
 487  * PARAMS
 488  *  pbindinfo [I] BINDINFO to release.
 489  *
 490  * RETURNS
 491  *  Nothing.
 492  */
 493 void WINAPI ReleaseBindInfo(BINDINFO* pbindinfo)
 494 {
 495     DWORD size;
 496
 497     TRACE("(%p)\n", pbindinfo);
 498
 499     if(!pbindinfo || !(size = pbindinfo->cbSize))
 500         return;
 501
 502     CoTaskMemFree(pbindinfo->szExtraInfo);
 503     ReleaseStgMedium(&pbindinfo->stgmedData);
 504
 505     if(offsetof(BINDINFO, szExtraInfo) < size)
 506         CoTaskMemFree(pbindinfo->szCustomVerb);
 507
 508     if(pbindinfo->pUnk && offsetof(BINDINFO, pUnk) < size)
 509         IUnknown_Release(pbindinfo->pUnk);
 510
 511     memset(pbindinfo, 0, size);
 512     pbindinfo->cbSize = size;
 513 }
 514
 515 /***********************************************************************
 516  *           CopyStgMedium (URLMON.@)
 517  */
 518 HRESULT WINAPI CopyStgMedium(const STGMEDIUM *src, STGMEDIUM *dst)
 519 {
 520     TRACE("(%p %p)\n", src, dst);
 521
 522     if(!src || !dst)
 523         return E_POINTER;
 524
 525     *dst = *src;
 526
 527     switch(dst->tymed) {
 528     case TYMED_NULL:
 529         break;
 530     case TYMED_FILE:
 531         if(src->u.lpszFileName && !src->pUnkForRelease) {
 532             DWORD size = (strlenW(src->u.lpszFileName)+1)*sizeof(WCHAR);
 533             dst->u.lpszFileName = CoTaskMemAlloc(size);
 534             if(!dst->u.lpszFileName)
 535                 return E_OUTOFMEMORY;
 536             memcpy(dst->u.lpszFileName, src->u.lpszFileName, size);
 537         }
 538         break;
 539     case TYMED_ISTREAM:
 540         if(dst->u.pstm)
 541             IStream_AddRef(dst->u.pstm);
 542         break;
 543     case TYMED_ISTORAGE:
 544         if(dst->u.pstg)
 545             IStorage_AddRef(dst->u.pstg);
 546         break;
 547     default:
 548         FIXME("Unimplemented tymed %d\n", src->tymed);
 549     }
 550
 551     if(dst->pUnkForRelease)
 552         IUnknown_AddRef(dst->pUnkForRelease);
 553
 554     return S_OK;
 555 }
 556
 557 /***********************************************************************
 558  *           CopyBindInfo (URLMON.@)
 559  */
 560 HRESULT WINAPI CopyBindInfo(const BINDINFO *pcbiSrc, BINDINFO *pcbiDest)
 561 {
 562     DWORD size;
 563     HRESULT hres;
 564
 565     TRACE("(%p %p)\n", pcbiSrc, pcbiDest);
 566
 567     if(!pcbiSrc || !pcbiDest)
 568         return E_POINTER;
 569     if(!pcbiSrc->cbSize || !pcbiDest->cbSize)
 570         return E_INVALIDARG;
 571
 572     size = pcbiDest->cbSize;
 573     if(size > pcbiSrc->cbSize) {
 574         memcpy(pcbiDest, pcbiSrc, pcbiSrc->cbSize);
 575         memset((char*)pcbiDest+pcbiSrc->cbSize, 0, size-pcbiSrc->cbSize);
 576     } else {
 577         memcpy(pcbiDest, pcbiSrc, size);
 578     }
 579     pcbiDest->cbSize = size;
 580
 581     size = FIELD_OFFSET(BINDINFO, szExtraInfo)+sizeof(void*);
 582     if(pcbiSrc->cbSize>=size && pcbiDest->cbSize>=size && pcbiSrc->szExtraInfo) {
 583         size = (strlenW(pcbiSrc->szExtraInfo)+1)*sizeof(WCHAR);
 584         pcbiDest->szExtraInfo = CoTaskMemAlloc(size);
 585         if(!pcbiDest->szExtraInfo)
 586             return E_OUTOFMEMORY;
 587         memcpy(pcbiDest->szExtraInfo, pcbiSrc->szExtraInfo, size);
 588     }
 589
 590     size = FIELD_OFFSET(BINDINFO, stgmedData)+sizeof(STGMEDIUM);
 591     if(pcbiSrc->cbSize>=size && pcbiDest->cbSize>=size) {
 592         hres = CopyStgMedium(&pcbiSrc->stgmedData, &pcbiDest->stgmedData);
 593         if(FAILED(hres)) {
 594             CoTaskMemFree(pcbiDest->szExtraInfo);
 595             return hres;
 596         }
 597     }
 598
 599     size = FIELD_OFFSET(BINDINFO, szCustomVerb)+sizeof(void*);
 600     if(pcbiSrc->cbSize>=size && pcbiDest->cbSize>=size && pcbiSrc->szCustomVerb) {
 601         size = (strlenW(pcbiSrc->szCustomVerb)+1)*sizeof(WCHAR);
 602         pcbiDest->szCustomVerb = CoTaskMemAlloc(size);
 603         if(!pcbiDest->szCustomVerb) {
 604             CoTaskMemFree(pcbiDest->szExtraInfo);
 605             ReleaseStgMedium(&pcbiDest->stgmedData);
 606             return E_OUTOFMEMORY;
 607         }
 608         memcpy(pcbiDest->szCustomVerb, pcbiSrc->szCustomVerb, size);
 609     }
 610
 611     size = FIELD_OFFSET(BINDINFO, securityAttributes)+sizeof(SECURITY_ATTRIBUTES);
 612     if(pcbiDest->cbSize >= size)
 613         memset(&pcbiDest->securityAttributes, 0, sizeof(SECURITY_ATTRIBUTES));
 614
 615     if(pcbiSrc->pUnk)
 616         IUnknown_AddRef(pcbiDest->pUnk);
 617
 618     return S_OK;
 619 }
 620
 621 static BOOL text_richtext_filter(const BYTE *b, DWORD size)
 622 {
 623     return size > 5 && !memcmp(b, "{\\rtf", 5);
 624 }
 625
 626 static BOOL text_html_filter(const BYTE *b, DWORD size)
 627 {
 628     if(size < 6)
 629         return FALSE;
 630
 631     if((b[0] == '<'
 632                 && (b[1] == 'h' || b[1] == 'H')
 633                 && (b[2] == 't' || b[2] == 'T')
 634                 && (b[3] == 'm' || b[3] == 'M')
 635                 && (b[4] == 'l' || b[4] == 'L'))
 636             || (b[0] == '<'
 637                 && (b[1] == 'h' || b[1] == 'H')
 638                 && (b[2] == 'e' || b[2] == 'E')
 639                 && (b[3] == 'a' || b[3] == 'A')
 640                 && (b[4] == 'd' || b[4] == 'D'))) return TRUE;
 641
 642     return FALSE;
 643 }
 644
 645 static BOOL text_xml_filter(const BYTE *b, DWORD size)
 646 {
 647     if(size < 7)
 648         return FALSE;
 649
 650     if(b[0] == '<' && b[1] == '?'
 651             && (b[2] == 'x' || b[2] == 'X')
 652             && (b[3] == 'm' || b[3] == 'M')
 653             && (b[4] == 'l' || b[4] == 'L')
 654             && b[5] == ' ') return TRUE;
 655
 656     return FALSE;
 657 }
 658
 659 static BOOL audio_basic_filter(const BYTE *b, DWORD size)
 660 {
 661     return size > 4
 662         && b[0] == '.' && b[1] == 's' && b[2] == 'n' && b[3] == 'd';
 663 }
 664
 665 static BOOL audio_wav_filter(const BYTE *b, DWORD size)
 666 {
 667     return size > 12
 668         && b[0] == 'R' && b[1] == 'I' && b[2] == 'F' && b[3] == 'F'
 669         && b[8] == 'W' && b[9] == 'A' && b[10] == 'V' && b[11] == 'E';
 670 }
 671
 672 static BOOL image_gif_filter(const BYTE *b, DWORD size)
 673 {
 674     return size >= 6
 675         && (b[0] == 'G' || b[0] == 'g')
 676         && (b[1] == 'I' || b[1] == 'i')
 677         && (b[2] == 'F' || b[2] == 'f')
 678         &&  b[3] == '8'
 679         && (b[4] == '7' || b[4] == '9')
 680         && (b[5] == 'A' || b[5] == 'a');
 681 }
 682
 683 static BOOL image_pjpeg_filter(const BYTE *b, DWORD size)
 684 {
 685     return size > 2 && b[0] == 0xff && b[1] == 0xd8;
 686 }
 687
 688 static BOOL image_tiff_filter(const BYTE *b, DWORD size)
 689 {
 690     static const BYTE magic1[] = {0x4d,0x4d,0x00,0x2a};
 691     static const BYTE magic2[] = {0x49,0x49,0x2a,0xff};
 692
 693     return size >= 4 && (!memcmp(b, magic1, 4) || !memcmp(b, magic2, 4));
 694 }
 695
 696 static BOOL image_xpng_filter(const BYTE *b, DWORD size)
 697 {
 698     static const BYTE xpng_header[] = {0x89,'P','N','G',0x0d,0x0a,0x1a,0x0a};
 699     return size > sizeof(xpng_header) && !memcmp(b, xpng_header, sizeof(xpng_header));
 700 }
 701
 702 static BOOL image_bmp_filter(const BYTE *b, DWORD size)
 703 {
 704     return size >= 14
 705         && b[0] == 0x42 && b[1] == 0x4d
 706         && *(const DWORD *)(b+6) == 0;
 707 }
 708
 709 static BOOL video_avi_filter(const BYTE *b, DWORD size)
 710 {
 711     return size > 12
 712         && b[0] == 'R' && b[1] == 'I' && b[2] == 'F' && b[3] == 'F'
 713         && b[8] == 'A' && b[9] == 'V' && b[10] == 'I' && b[11] == 0x20;
 714 }
 715
 716 static BOOL video_mpeg_filter(const BYTE *b, DWORD size)
 717 {
 718     return size > 4
 719         && !b[0] && !b[1] && b[2] == 0x01
 720         && (b[3] == 0xb3 || b[3] == 0xba);
 721 }
 722
 723 static BOOL application_postscript_filter(const BYTE *b, DWORD size)
 724 {
 725     return size > 2 && b[0] == '%' && b[1] == '!';
 726 }
 727
 728 static BOOL application_pdf_filter(const BYTE *b, DWORD size)
 729 {
 730     return size > 4 && b[0] == 0x25 && b[1] == 0x50 && b[2] == 0x44 && b[3] == 0x46;
 731 }
 732
 733 static BOOL application_xzip_filter(const BYTE *b, DWORD size)
 734 {
 735     return size > 2 && b[0] == 0x50 && b[1] == 0x4b;
 736 }
 737
 738 static BOOL application_xgzip_filter(const BYTE *b, DWORD size)
 739 {
 740     return size > 2 && b[0] == 0x1f && b[1] == 0x8b;
 741 }
 742
 743 static BOOL application_java_filter(const BYTE *b, DWORD size)
 744 {
 745     return size > 4 && b[0] == 0xca && b[1] == 0xfe && b[2] == 0xba && b[3] == 0xbe;
 746 }
 747
 748 static BOOL application_xmsdownload(const BYTE *b, DWORD size)
 749 {
 750     return size > 2 && b[0] == 'M' && b[1] == 'Z';
 751 }
 752
 753 static inline BOOL is_text_plain_char(BYTE b)
 754 {
 755     if(b < 0x20 && b != '\n' && b != '\r' && b != '\t')
 756         return FALSE;
 757     return TRUE;
 758 }
 759
 760 static BOOL text_plain_filter(const BYTE *b, DWORD size)
 761 {
 762     const BYTE *ptr;
 763
 764     for(ptr = b; ptr < b+size-1; ptr++) {
 765         if(!is_text_plain_char(*ptr))
 766             return FALSE;
 767     }
 768
 769     return TRUE;
 770 }
 771
 772 static BOOL application_octet_stream_filter(const BYTE *b, DWORD size)
 773 {
 774     return TRUE;
 775 }
 776
 777 static HRESULT find_mime_from_buffer(const BYTE *buf, DWORD size, const WCHAR *proposed_mime, WCHAR **ret_mime)
 778 {
 779     LPCWSTR ret = NULL;
 780     int len, i, any_pos_mime = -1;
 781
 782     static const WCHAR text_htmlW[] = {'t','e','x','t','/','h','t','m','l',0};
 783     static const WCHAR text_richtextW[] = {'t','e','x','t','/','r','i','c','h','t','e','x','t',0};
 784     static const WCHAR text_xmlW[] = {'t','e','x','t','/','x','m','l',0};
 785     static const WCHAR audio_basicW[] = {'a','u','d','i','o','/','b','a','s','i','c',0};
 786     static const WCHAR audio_wavW[] = {'a','u','d','i','o','/','w','a','v',0};
 787     static const WCHAR image_gifW[] = {'i','m','a','g','e','/','g','i','f',0};
 788     static const WCHAR image_pjpegW[] = {'i','m','a','g','e','/','p','j','p','e','g',0};
 789     static const WCHAR image_tiffW[] = {'i','m','a','g','e','/','t','i','f','f',0};
 790     static const WCHAR image_xpngW[] = {'i','m','a','g','e','/','x','-','p','n','g',0};
 791     static const WCHAR image_bmpW[] = {'i','m','a','g','e','/','b','m','p',0};
 792     static const WCHAR video_aviW[] = {'v','i','d','e','o','/','a','v','i',0};
 793     static const WCHAR video_mpegW[] = {'v','i','d','e','o','/','m','p','e','g',0};
 794     static const WCHAR app_postscriptW[] =
 795         {'a','p','p','l','i','c','a','t','i','o','n','/','p','o','s','t','s','c','r','i','p','t',0};
 796     static const WCHAR app_pdfW[] = {'a','p','p','l','i','c','a','t','i','o','n','/','p','d','f',0};
 797     static const WCHAR app_xzipW[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 798         'x','-','z','i','p','-','c','o','m','p','r','e','s','s','e','d',0};
 799     static const WCHAR app_xgzipW[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 800         'x','-','g','z','i','p','-','c','o','m','p','r','e','s','s','e','d',0};
 801     static const WCHAR app_javaW[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 802         'j','a','v','a',0};
 803     static const WCHAR app_xmsdownloadW[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 804         'x','-','m','s','d','o','w','n','l','o','a','d',0};
 805     static const WCHAR text_plainW[] = {'t','e','x','t','/','p','l','a','i','n','\0'};
 806     static const WCHAR app_octetstreamW[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 807         'o','c','t','e','t','-','s','t','r','e','a','m','\0'};
 808
 809     static const struct {
 810         LPCWSTR mime;
 811         BOOL (*filter)(const BYTE *,DWORD);
 812     } mime_filters_any_pos[] = {
 813         {text_htmlW,       text_html_filter},
 814         {text_xmlW,        text_xml_filter}
 815     }, mime_filters[] = {
 816         {text_richtextW,   text_richtext_filter},
 817      /* {audio_xaiffW,     audio_xaiff_filter}, */
 818         {audio_basicW,     audio_basic_filter},
 819         {audio_wavW,       audio_wav_filter},
 820         {image_gifW,       image_gif_filter},
 821         {image_pjpegW,     image_pjpeg_filter},
 822         {image_tiffW,      image_tiff_filter},
 823         {image_xpngW,      image_xpng_filter},
 824      /* {image_xbitmapW,   image_xbitmap_filter}, */
 825         {image_bmpW,       image_bmp_filter},
 826      /* {image_xjgW,       image_xjg_filter}, */
 827      /* {image_xemfW,      image_xemf_filter}, */
 828      /* {image_xwmfW,      image_xwmf_filter}, */
 829         {video_aviW,       video_avi_filter},
 830         {video_mpegW,      video_mpeg_filter},
 831         {app_postscriptW,  application_postscript_filter},
 832      /* {app_base64W,      application_base64_filter}, */
 833      /* {app_macbinhex40W, application_macbinhex40_filter}, */
 834         {app_pdfW,         application_pdf_filter},
 835      /* {app_zcompressedW, application_xcompressed_filter}, */
 836         {app_xzipW,        application_xzip_filter},
 837         {app_xgzipW,       application_xgzip_filter},
 838         {app_javaW,        application_java_filter},
 839         {app_xmsdownloadW, application_xmsdownload},
 840         {text_plainW,      text_plain_filter},
 841         {app_octetstreamW, application_octet_stream_filter}
 842     };
 843
 844     if(!buf || !size) {
 845         if(!proposed_mime)
 846             return E_FAIL;
 847
 848         len = strlenW(proposed_mime)+1;
 849         *ret_mime = CoTaskMemAlloc(len*sizeof(WCHAR));
 850         if(!*ret_mime)
 851             return E_OUTOFMEMORY;
 852
 853         memcpy(*ret_mime, proposed_mime, len*sizeof(WCHAR));
 854         return S_OK;
 855     }
 856
 857     if(proposed_mime && (!strcmpW(proposed_mime, app_octetstreamW)
 858                 || !strcmpW(proposed_mime, text_plainW)))
 859         proposed_mime = NULL;
 860
 861     if(proposed_mime) {
 862         ret = proposed_mime;
 863
 864         for(i=0; i < sizeof(mime_filters_any_pos)/sizeof(*mime_filters_any_pos); i++) {
 865             if(!strcmpW(proposed_mime, mime_filters_any_pos[i].mime)) {
 866                 any_pos_mime = i;
 867                 for(len=size; len>0; len--) {
 868                     if(mime_filters_any_pos[i].filter(buf+size-len, len))
 869                         break;
 870                 }
 871                 if(!len)
 872                     ret = NULL;
 873                 break;
 874             }
 875         }
 876
 877         if(i == sizeof(mime_filters_any_pos)/sizeof(*mime_filters_any_pos)) {
 878             for(i=0; i < sizeof(mime_filters)/sizeof(*mime_filters); i++) {
 879                 if(!strcmpW(proposed_mime, mime_filters[i].mime)) {
 880                     if(!mime_filters[i].filter(buf, size))
 881                         ret = NULL;
 882                     break;
 883                 }
 884             }
 885         }
 886     }
 887
 888     /* Looks like a bug in native implementation, html and xml mimes
 889      * are not looked for if none of them was proposed */
 890     if(!proposed_mime || any_pos_mime!=-1) {
 891         for(len=size; !ret && len>0; len--) {
 892             for(i=0; i<sizeof(mime_filters_any_pos)/sizeof(*mime_filters_any_pos); i++) {
 893                 if(mime_filters_any_pos[i].filter(buf+size-len, len)) {
 894                     ret = mime_filters_any_pos[i].mime;
 895                     break;
 896                 }
 897             }
 898         }
 899     }
 900
 901     i=0;
 902     while(!ret) {
 903         if(mime_filters[i].filter(buf, size))
 904             ret = mime_filters[i].mime;
 905         i++;
 906     }
 907
 908     if(any_pos_mime!=-1 && ret==text_plainW)
 909         ret = mime_filters_any_pos[any_pos_mime].mime;
 910     else if(proposed_mime && ret==app_octetstreamW) {
 911         for(len=size; ret==app_octetstreamW && len>0; len--) {
 912             if(!is_text_plain_char(buf[size-len]))
 913                 break;
 914             for(i=0; i<sizeof(mime_filters_any_pos)/sizeof(*mime_filters_any_pos); i++) {
 915                 if(mime_filters_any_pos[i].filter(buf+size-len, len)) {
 916                     ret = text_plainW;
 917                     break;
 918                 }
 919             }
 920         }
 921
 922         if(ret == app_octetstreamW)
 923             ret = proposed_mime;
 924     }
 925     TRACE("found %s for %s\n", debugstr_w(ret), debugstr_an((const char*)buf, min(32, size)));
 926
 927     len = strlenW(ret)+1;
 928     *ret_mime = CoTaskMemAlloc(len*sizeof(WCHAR));
 929     if(!*ret_mime)
 930         return E_OUTOFMEMORY;
 931
 932     memcpy(*ret_mime, ret, len*sizeof(WCHAR));
 933     return S_OK;
 934 }
 935
 936 /***********************************************************************
 937  *           FindMimeFromData (URLMON.@)
 938  *
 939  * Determines the Multipurpose Internet Mail Extensions (MIME) type from the data provided.
 940  */
 941 HRESULT WINAPI FindMimeFromData(LPBC pBC, LPCWSTR pwzUrl, LPVOID pBuffer,
 942         DWORD cbSize, LPCWSTR pwzMimeProposed, DWORD dwMimeFlags,
 943         LPWSTR* ppwzMimeOut, DWORD dwReserved)
 944 {
 945     TRACE("(%p,%s,%p,%d,%s,0x%x,%p,0x%x)\n", pBC, debugstr_w(pwzUrl), pBuffer, cbSize,
 946             debugstr_w(pwzMimeProposed), dwMimeFlags, ppwzMimeOut, dwReserved);
 947
 948     if(dwMimeFlags)
 949         WARN("dwMimeFlags=%08x\n", dwMimeFlags);
 950     if(dwReserved)
 951         WARN("dwReserved=%d\n", dwReserved);
 952
 953     /* pBC seams to not be used */
 954
 955     if(!ppwzMimeOut || (!pwzUrl && !pBuffer))
 956         return E_INVALIDARG;
 957
 958     if(pwzMimeProposed || pBuffer)
 959         return find_mime_from_buffer(pBuffer, cbSize, pwzMimeProposed, ppwzMimeOut);
 960
 961     if(pwzUrl) {
 962         HKEY hkey;
 963         DWORD res, size;
 964         LPCWSTR ptr;
 965         WCHAR mime[64];
 966
 967         static const WCHAR wszContentType[] =
 968                 {'C','o','n','t','e','n','t',' ','T','y','p','e','\0'};
 969
 970         ptr = strrchrW(pwzUrl, '.');
 971         if(!ptr)
 972             return E_FAIL;
 973
 974         res = RegOpenKeyW(HKEY_CLASSES_ROOT, ptr, &hkey);
 975         if(res != ERROR_SUCCESS)
 976             return HRESULT_FROM_WIN32(res);
 977
 978         size = sizeof(mime);
 979         res = RegQueryValueExW(hkey, wszContentType, NULL, NULL, (LPBYTE)mime, &size);
 980         RegCloseKey(hkey);
 981         if(res != ERROR_SUCCESS)
 982             return HRESULT_FROM_WIN32(res);
 983
 984         *ppwzMimeOut = CoTaskMemAlloc(size);
 985         memcpy(*ppwzMimeOut, mime, size);
 986         return S_OK;
 987     }
 988
 989     return E_FAIL;
 990 }
 991
 992 /***********************************************************************
 993  *           GetClassFileOrMime (URLMON.@)
 994  *
 995  * Determines the class ID from the bind context, file name or MIME type.
 996  */
 997 HRESULT WINAPI GetClassFileOrMime(LPBC pBC, LPCWSTR pszFilename,
 998         LPVOID pBuffer, DWORD cbBuffer, LPCWSTR pszMimeType, DWORD dwReserved,
 999         CLSID *pclsid)
1000 {
1001     FIXME("(%p, %s, %p, %d, %s, 0x%08x, %p): stub\n", pBC, debugstr_w(pszFilename), pBuffer,
1002             cbBuffer, debugstr_w(pszMimeType), dwReserved, pclsid);
1003     return E_NOTIMPL;
1004 }
1005
1006 /***********************************************************************
1007  * Extract (URLMON.@)
1008  */
1009 HRESULT WINAPI Extract(void *dest, LPCSTR szCabName)
1010 {
1011     HRESULT (WINAPI *pExtract)(void *, LPCSTR);
1012
1013     if (!hCabinet)
1014         hCabinet = LoadLibraryA("cabinet.dll");
1015
1016     if (!hCabinet) return HRESULT_FROM_WIN32(GetLastError());
1017     pExtract = (void *)GetProcAddress(hCabinet, "Extract");
1018     if (!pExtract) return HRESULT_FROM_WIN32(GetLastError());
1019
1020     return pExtract(dest, szCabName);
1021 }
1022
1023 /***********************************************************************
1024  *           IsLoggingEnabledA (URLMON.@)
1025  */
1026 BOOL WINAPI IsLoggingEnabledA(LPCSTR url)
1027 {
1028     FIXME("(%s)\n", debugstr_a(url));
1029     return FALSE;
1030 }
1031
1032 /***********************************************************************
1033  *           IsLoggingEnabledW (URLMON.@)
1034  */
1035 BOOL WINAPI IsLoggingEnabledW(LPCWSTR url)
1036 {
1037     FIXME("(%s)\n", debugstr_w(url));
1038     return FALSE;
1039 }
1040
1041 /***********************************************************************
1042  *           IsProtectedModeURL (URLMON.111)
1043  *    Undocumented, added in IE7
1044  */
1045 BOOL WINAPI IsProtectedModeURL(const WCHAR *url)
1046 {
1047     FIXME("stub: %s\n", debugstr_w(url));
1048     return TRUE;
1049 }
1050
1051 /***********************************************************************
1052  *           LogSqmBits (URLMON.410)
1053  *    Undocumented, added in IE8
1054  */
1055 int WINAPI LogSqmBits(DWORD unk1, DWORD unk2)
1056 {
1057     FIXME("stub: %d %d\n", unk1, unk2);
1058     return 0;
1059 }
1060
1061 /***********************************************************************
1062  *           LogSqmUXCommandOffsetInternal (URLMON.423)
1063  *    Undocumented, added in IE8
1064  */
1065 void WINAPI LogSqmUXCommandOffsetInternal(DWORD unk1, DWORD unk2, DWORD unk3, DWORD unk4)
1066 {
1067     FIXME("stub: %d %d %d %d\n", unk1, unk2, unk3, unk4);
1068 }
1069
1070 /***********************************************************************
1071  *           MapUriToBrowserEmulationState (URLMON.444)
1072  *    Undocumented, added in IE8
1073  */
1074 int WINAPI MapUriToBrowserEmulationState(DWORD unk1, DWORD unk2, DWORD unk3)
1075 {
1076     FIXME("stub: %d %d %d\n", unk1, unk2, unk3);
1077     return 0;
1078 }
1079
1080 /***********************************************************************
1081  *           MapBrowserEmulationModeToUserAgent (URLMON.445)
1082  *    Undocumented, added in IE8
1083  */
1084 int WINAPI MapBrowserEmulationModeToUserAgent(DWORD unk1, DWORD unk2)
1085 {
1086     FIXME("stub: %d %d\n", unk1, unk2);
1087     return 0;
1088 }
1089
1090 /***********************************************************************
1091  *            RegisterMediaTypes
1092  *    Added in IE3, registers known MIME-type strings.
1093  */
1094 HRESULT WINAPI RegisterMediaTypes(UINT types, LPCSTR *szTypes, CLIPFORMAT *cfTypes)
1095 {
1096    FIXME("stub: %u %p %p\n", types, szTypes, cfTypes);
1097    return E_INVALIDARG;
1098 }