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 "wine/debug.h"
  30
  31 #include "urlmon.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(urlmon);
  34
  35 LONG URLMON_refCount = 0;
  36
  37 HINSTANCE URLMON_hInstance = 0;
  38 static HMODULE hCabinet = NULL;
  39 static DWORD urlmon_tls;
  40
  41 static void init_session(BOOL);
  42
  43 static struct list tls_list = LIST_INIT(tls_list);
  44
  45 static CRITICAL_SECTION tls_cs;
  46 static CRITICAL_SECTION_DEBUG tls_cs_dbg =
  47 {
  48     0, 0, &tls_cs,
  49     { &tls_cs_dbg.ProcessLocksList, &tls_cs_dbg.ProcessLocksList },
  50       0, 0, { (DWORD_PTR)(__FILE__ ": tls") }
  51 };
  52
  53 static CRITICAL_SECTION tls_cs = { &tls_cs_dbg, -1, 0, 0, 0, 0 };
  54
  55 tls_data_t *get_tls_data(void)
  56 {
  57     tls_data_t *data;
  58
  59     if(!urlmon_tls) {
  60         DWORD tls = TlsAlloc();
  61         tls = InterlockedCompareExchange((LONG*)&urlmon_tls, tls, 0);
  62         if(tls != urlmon_tls)
  63             TlsFree(tls);
  64     }
  65
  66     data = TlsGetValue(urlmon_tls);
  67     if(!data) {
  68         data = heap_alloc_zero(sizeof(tls_data_t));
  69         if(!data)
  70             return NULL;
  71
  72         EnterCriticalSection(&tls_cs);
  73         list_add_tail(&tls_list, &data->entry);
  74         LeaveCriticalSection(&tls_cs);
  75
  76         TlsSetValue(urlmon_tls, data);
  77     }
  78
  79     return data;
  80 }
  81
  82 static void free_tls_list(void)
  83 {
  84     tls_data_t *data;
  85
  86     if(!urlmon_tls)
  87         return;
  88
  89     while(!list_empty(&tls_list)) {
  90         data = LIST_ENTRY(list_head(&tls_list), tls_data_t, entry);
  91         list_remove(&data->entry);
  92         heap_free(data);
  93     }
  94
  95     TlsFree(urlmon_tls);
  96 }
  97
  98 static void detach_thread(void)
  99 {
 100     tls_data_t *data;
 101
 102     if(!urlmon_tls)
 103         return;
 104
 105     data = TlsGetValue(urlmon_tls);
 106     if(!data)
 107         return;
 108
 109     EnterCriticalSection(&tls_cs);
 110     list_remove(&data->entry);
 111     LeaveCriticalSection(&tls_cs);
 112
 113     if(data->notif_hwnd) {
 114         WARN("notif_hwnd not destroyed\n");
 115         DestroyWindow(data->notif_hwnd);
 116     }
 117
 118     heap_free(data);
 119 }
 120
 121 /***********************************************************************
 122  *              DllMain (URLMON.init)
 123  */
 124 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
 125 {
 126     TRACE("%p 0x%x %p\n", hinstDLL, fdwReason, fImpLoad);
 127
 128     switch(fdwReason) {
 129     case DLL_PROCESS_ATTACH:
 130         URLMON_hInstance = hinstDLL;
 131         init_session(TRUE);
 132         break;
 133
 134     case DLL_PROCESS_DETACH:
 135         if (hCabinet)
 136             FreeLibrary(hCabinet);
 137         hCabinet = NULL;
 138         init_session(FALSE);
 139         free_tls_list();
 140         URLMON_hInstance = 0;
 141         break;
 142
 143     case DLL_THREAD_DETACH:
 144         detach_thread();
 145         break;
 146     }
 147     return TRUE;
 148 }
 149
 150
 151 /***********************************************************************
 152  *              DllInstall (URLMON.@)
 153  */
 154 HRESULT WINAPI DllInstall(BOOL bInstall, LPCWSTR cmdline)
 155 {
 156   FIXME("(%s, %s): stub\n", bInstall?"TRUE":"FALSE",
 157         debugstr_w(cmdline));
 158
 159   return S_OK;
 160 }
 161
 162 /***********************************************************************
 163  *              DllCanUnloadNow (URLMON.@)
 164  */
 165 HRESULT WINAPI DllCanUnloadNow(void)
 166 {
 167     return URLMON_refCount != 0 ? S_FALSE : S_OK;
 168 }
 169
 170
 171
 172 /******************************************************************************
 173  * Urlmon ClassFactory
 174  */
 175 typedef struct {
 176     const IClassFactoryVtbl *lpClassFactoryVtbl;
 177
 178     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
 179 } ClassFactory;
 180
 181 #define CLASSFACTORY(x)  ((IClassFactory*)  &(x)->lpClassFactoryVtbl)
 182
 183 static HRESULT WINAPI CF_QueryInterface(IClassFactory *iface, REFIID riid, LPVOID *ppv)
 184 {
 185     *ppv = NULL;
 186
 187     if(IsEqualGUID(riid, &IID_IUnknown)) {
 188         TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
 189         *ppv = iface;
 190     }else if(IsEqualGUID(riid, &IID_IClassFactory)) {
 191         TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
 192         *ppv = iface;
 193     }
 194
 195     if(*ppv) {
 196         IUnknown_AddRef((IUnknown*)*ppv);
 197         return S_OK;
 198     }
 199
 200     WARN("(%p)->(%s,%p),not found\n", iface, debugstr_guid(riid), ppv);
 201     return E_NOINTERFACE;
 202 }
 203
 204 static ULONG WINAPI CF_AddRef(IClassFactory *iface)
 205 {
 206     URLMON_LockModule();
 207     return 2;
 208 }
 209
 210 static ULONG WINAPI CF_Release(IClassFactory *iface)
 211 {
 212     URLMON_UnlockModule();
 213     return 1;
 214 }
 215
 216
 217 static HRESULT WINAPI CF_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
 218                                         REFIID riid, LPVOID *ppobj)
 219 {
 220     ClassFactory *This = (ClassFactory*)iface;
 221     HRESULT hres;
 222     LPUNKNOWN punk;
 223
 224     TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 225
 226     *ppobj = NULL;
 227     if(SUCCEEDED(hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk))) {
 228         hres = IUnknown_QueryInterface(punk, riid, ppobj);
 229         IUnknown_Release(punk);
 230     }
 231     return hres;
 232 }
 233
 234 static HRESULT WINAPI CF_LockServer(LPCLASSFACTORY iface,BOOL dolock)
 235 {
 236     TRACE("(%d)\n", dolock);
 237
 238     if (dolock)
 239            URLMON_LockModule();
 240     else
 241            URLMON_UnlockModule();
 242
 243     return S_OK;
 244 }
 245
 246 static const IClassFactoryVtbl ClassFactoryVtbl =
 247 {
 248     CF_QueryInterface,
 249     CF_AddRef,
 250     CF_Release,
 251     CF_CreateInstance,
 252     CF_LockServer
 253 };
 254
 255 static const ClassFactory FileProtocolCF =
 256     { &ClassFactoryVtbl, FileProtocol_Construct};
 257 static const ClassFactory FtpProtocolCF =
 258     { &ClassFactoryVtbl, FtpProtocol_Construct};
 259 static const ClassFactory GopherProtocolCF =
 260     { &ClassFactoryVtbl, GopherProtocol_Construct};
 261 static const ClassFactory HttpProtocolCF =
 262     { &ClassFactoryVtbl, HttpProtocol_Construct};
 263 static const ClassFactory HttpSProtocolCF =
 264     { &ClassFactoryVtbl, HttpSProtocol_Construct};
 265 static const ClassFactory MkProtocolCF =
 266     { &ClassFactoryVtbl, MkProtocol_Construct};
 267 static const ClassFactory SecurityManagerCF =
 268     { &ClassFactoryVtbl, SecManagerImpl_Construct};
 269 static const ClassFactory ZoneManagerCF =
 270     { &ClassFactoryVtbl, ZoneMgrImpl_Construct};
 271 static const ClassFactory StdURLMonikerCF =
 272     { &ClassFactoryVtbl, StdURLMoniker_Construct};
 273 static const ClassFactory MimeFilterCF =
 274     { &ClassFactoryVtbl, MimeFilter_Construct};
 275
 276 struct object_creation_info
 277 {
 278     const CLSID *clsid;
 279     IClassFactory *cf;
 280     LPCWSTR protocol;
 281 };
 282
 283 static const WCHAR wszFile[] = {'f','i','l','e',0};
 284 static const WCHAR wszFtp[]  = {'f','t','p',0};
 285 static const WCHAR wszGopher[]  = {'g','o','p','h','e','r',0};
 286 static const WCHAR wszHttp[] = {'h','t','t','p',0};
 287 static const WCHAR wszHttps[] = {'h','t','t','p','s',0};
 288 static const WCHAR wszMk[]   = {'m','k',0};
 289
 290 static const struct object_creation_info object_creation[] =
 291 {
 292     { &CLSID_FileProtocol,            CLASSFACTORY(&FileProtocolCF),    wszFile },
 293     { &CLSID_FtpProtocol,             CLASSFACTORY(&FtpProtocolCF),     wszFtp  },
 294     { &CLSID_GopherProtocol,          CLASSFACTORY(&GopherProtocolCF),  wszGopher },
 295     { &CLSID_HttpProtocol,            CLASSFACTORY(&HttpProtocolCF),    wszHttp },
 296     { &CLSID_HttpSProtocol,           CLASSFACTORY(&HttpSProtocolCF),   wszHttps },
 297     { &CLSID_MkProtocol,              CLASSFACTORY(&MkProtocolCF),      wszMk },
 298     { &CLSID_InternetSecurityManager, CLASSFACTORY(&SecurityManagerCF), NULL    },
 299     { &CLSID_InternetZoneManager,     CLASSFACTORY(&ZoneManagerCF),     NULL    },
 300     { &CLSID_StdURLMoniker,           CLASSFACTORY(&StdURLMonikerCF),   NULL    },
 301     { &CLSID_DeCompMimeFilter,        CLASSFACTORY(&MimeFilterCF),      NULL    }
 302 };
 303
 304 static void init_session(BOOL init)
 305 {
 306     unsigned int i;
 307
 308     for(i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++) {
 309
 310         if(object_creation[i].protocol)
 311             register_urlmon_namespace(object_creation[i].cf, object_creation[i].clsid,
 312                                       object_creation[i].protocol, init);
 313     }
 314 }
 315
 316 /*******************************************************************************
 317  * DllGetClassObject [URLMON.@]
 318  * Retrieves class object from a DLL object
 319  *
 320  * NOTES
 321  *    Docs say returns STDAPI
 322  *
 323  * PARAMS
 324  *    rclsid [I] CLSID for the class object
 325  *    riid   [I] Reference to identifier of interface for class object
 326  *    ppv    [O] Address of variable to receive interface pointer for riid
 327  *
 328  * RETURNS
 329  *    Success: S_OK
 330  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 331  *             E_UNEXPECTED
 332  */
 333
 334 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 335 {
 336     unsigned int i;
 337
 338     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 339
 340     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 341     {
 342         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 343             return IClassFactory_QueryInterface(object_creation[i].cf, riid, ppv);
 344     }
 345
 346     FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 347     return CLASS_E_CLASSNOTAVAILABLE;
 348 }
 349
 350
 351 /***********************************************************************
 352  *              DllRegisterServerEx (URLMON.@)
 353  */
 354 HRESULT WINAPI DllRegisterServerEx(void)
 355 {
 356     FIXME("(void): stub\n");
 357
 358     return E_FAIL;
 359 }
 360
 361 /**************************************************************************
 362  *                 UrlMkSetSessionOption (URLMON.@)
 363  */
 364 HRESULT WINAPI UrlMkSetSessionOption(DWORD dwOption, LPVOID pBuffer, DWORD dwBufferLength,
 365                                         DWORD Reserved)
 366 {
 367     FIXME("(%#x, %p, %#x): stub\n", dwOption, pBuffer, dwBufferLength);
 368
 369     return S_OK;
 370 }
 371
 372 static const CHAR Agent[] = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)";
 373
 374 /**************************************************************************
 375  *                 ObtainUserAgentString (URLMON.@)
 376  */
 377 HRESULT WINAPI ObtainUserAgentString(DWORD dwOption, LPSTR pcszUAOut, DWORD *cbSize)
 378 {
 379     FIXME("(%d, %p, %p): stub\n", dwOption, pcszUAOut, cbSize);
 380
 381     if (pcszUAOut == NULL || cbSize == NULL)
 382         return E_INVALIDARG;
 383
 384     if (*cbSize < sizeof(Agent))
 385     {
 386         *cbSize = sizeof(Agent);
 387         return E_OUTOFMEMORY;
 388     }
 389
 390     if (sizeof(Agent) < *cbSize)
 391         *cbSize = sizeof(Agent);
 392     lstrcpynA(pcszUAOut, Agent, *cbSize);
 393
 394     return S_OK;
 395 }
 396
 397 /**************************************************************************
 398  *                 IsValidURL (URLMON.@)
 399  *
 400  * Determines if a specified string is a valid URL.
 401  *
 402  * PARAMS
 403  *  pBC        [I] ignored, must be NULL.
 404  *  szURL      [I] string that represents the URL in question.
 405  *  dwReserved [I] reserved and must be zero.
 406  *
 407  * RETURNS
 408  *  Success: S_OK.
 409  *  Failure: S_FALSE.
 410  *  returns E_INVALIDARG if one or more of the args is invalid.
 411  *
 412  * TODO:
 413  *  test functionality against windows to see what a valid URL is.
 414  */
 415 HRESULT WINAPI IsValidURL(LPBC pBC, LPCWSTR szURL, DWORD dwReserved)
 416 {
 417     FIXME("(%p, %s, %d): stub\n", pBC, debugstr_w(szURL), dwReserved);
 418
 419     if (pBC != NULL || dwReserved != 0)
 420         return E_INVALIDARG;
 421
 422     return S_OK;
 423 }
 424
 425 /**************************************************************************
 426  *                 FaultInIEFeature (URLMON.@)
 427  *
 428  *  Undocumented.  Appears to be used by native shdocvw.dll.
 429  */
 430 HRESULT WINAPI FaultInIEFeature( HWND hwnd, uCLSSPEC * pClassSpec,
 431                                  QUERYCONTEXT *pQuery, DWORD flags )
 432 {
 433     FIXME("%p %p %p %08x\n", hwnd, pClassSpec, pQuery, flags);
 434     return E_NOTIMPL;
 435 }
 436
 437 /**************************************************************************
 438  *                 CoGetClassObjectFromURL (URLMON.@)
 439  */
 440 HRESULT WINAPI CoGetClassObjectFromURL( REFCLSID rclsid, LPCWSTR szCodeURL, DWORD dwFileVersionMS,
 441                                         DWORD dwFileVersionLS, LPCWSTR szContentType,
 442                                         LPBINDCTX pBindCtx, DWORD dwClsContext, LPVOID pvReserved,
 443                                         REFIID riid, LPVOID *ppv )
 444 {
 445     FIXME("(%s %s %d %d %s %p %d %p %s %p) Stub!\n", debugstr_guid(rclsid), debugstr_w(szCodeURL),
 446         dwFileVersionMS, dwFileVersionLS, debugstr_w(szContentType), pBindCtx, dwClsContext, pvReserved,
 447         debugstr_guid(riid), ppv);
 448     return E_NOINTERFACE;
 449 }
 450
 451 /***********************************************************************
 452  *           ReleaseBindInfo (URLMON.@)
 453  *
 454  * Release the resources used by the specified BINDINFO structure.
 455  *
 456  * PARAMS
 457  *  pbindinfo [I] BINDINFO to release.
 458  *
 459  * RETURNS
 460  *  Nothing.
 461  */
 462 void WINAPI ReleaseBindInfo(BINDINFO* pbindinfo)
 463 {
 464     DWORD size;
 465
 466     TRACE("(%p)\n", pbindinfo);
 467
 468     if(!pbindinfo || !(size = pbindinfo->cbSize))
 469         return;
 470
 471     CoTaskMemFree(pbindinfo->szExtraInfo);
 472     ReleaseStgMedium(&pbindinfo->stgmedData);
 473
 474     if(offsetof(BINDINFO, szExtraInfo) < size)
 475         CoTaskMemFree(pbindinfo->szCustomVerb);
 476
 477     if(pbindinfo->pUnk && offsetof(BINDINFO, pUnk) < size)
 478         IUnknown_Release(pbindinfo->pUnk);
 479
 480     memset(pbindinfo, 0, size);
 481     pbindinfo->cbSize = size;
 482 }
 483
 484 /***********************************************************************
 485  *           CopyStgMedium (URLMON.@)
 486  */
 487 HRESULT WINAPI CopyStgMedium(const STGMEDIUM *src, STGMEDIUM *dst)
 488 {
 489     TRACE("(%p %p)\n", src, dst);
 490
 491     if(!src || !dst)
 492         return E_POINTER;
 493
 494     *dst = *src;
 495
 496     switch(dst->tymed) {
 497     case TYMED_NULL:
 498         break;
 499     case TYMED_FILE:
 500         if(src->u.lpszFileName && !src->pUnkForRelease) {
 501             DWORD size = (strlenW(src->u.lpszFileName)+1)*sizeof(WCHAR);
 502             dst->u.lpszFileName = CoTaskMemAlloc(size);
 503             memcpy(dst->u.lpszFileName, src->u.lpszFileName, size);
 504         }
 505         break;
 506     case TYMED_ISTREAM:
 507         if(dst->u.pstm)
 508             IStream_AddRef(dst->u.pstm);
 509         break;
 510     case TYMED_ISTORAGE:
 511         if(dst->u.pstg)
 512             IStorage_AddRef(dst->u.pstg);
 513         break;
 514     default:
 515         FIXME("Unimplemented tymed %d\n", src->tymed);
 516     }
 517
 518     if(dst->pUnkForRelease)
 519         IUnknown_AddRef(dst->pUnkForRelease);
 520
 521     return S_OK;
 522 }
 523
 524 static BOOL text_richtext_filter(const BYTE *b, DWORD size)
 525 {
 526     return size > 5 && !memcmp(b, "{\\rtf", 5);
 527 }
 528
 529 static BOOL text_html_filter(const BYTE *b, DWORD size)
 530 {
 531     DWORD i;
 532
 533     if(size < 5)
 534         return FALSE;
 535
 536     for(i=0; i < size-5; i++) {
 537         if(b[i] == '<'
 538            && (b[i+1] == 'h' || b[i+1] == 'H')
 539            && (b[i+2] == 't' || b[i+2] == 'T')
 540            && (b[i+3] == 'm' || b[i+3] == 'M')
 541            && (b[i+4] == 'l' || b[i+4] == 'L'))
 542             return TRUE;
 543     }
 544
 545     return FALSE;
 546 }
 547
 548 static BOOL audio_basic_filter(const BYTE *b, DWORD size)
 549 {
 550     return size > 4
 551         && b[0] == '.' && b[1] == 's' && b[2] == 'n' && b[3] == 'd';
 552 }
 553
 554 static BOOL audio_wav_filter(const BYTE *b, DWORD size)
 555 {
 556     return size > 12
 557         && b[0] == 'R' && b[1] == 'I' && b[2] == 'F' && b[3] == 'F'
 558         && b[8] == 'W' && b[9] == 'A' && b[10] == 'V' && b[11] == 'E';
 559 }
 560
 561 static BOOL image_gif_filter(const BYTE *b, DWORD size)
 562 {
 563     return size >= 6
 564         && (b[0] == 'G' || b[0] == 'g')
 565         && (b[1] == 'I' || b[1] == 'i')
 566         && (b[2] == 'F' || b[2] == 'f')
 567         &&  b[3] == '8'
 568         && (b[4] == '7' || b[4] == '9')
 569         && (b[5] == 'A' || b[5] == 'a');
 570 }
 571
 572 static BOOL image_pjpeg_filter(const BYTE *b, DWORD size)
 573 {
 574     return size > 2 && b[0] == 0xff && b[1] == 0xd8;
 575 }
 576
 577 static BOOL image_tiff_filter(const BYTE *b, DWORD size)
 578 {
 579     return size > 2 && b[0] == 0x4d && b[1] == 0x4d;
 580 }
 581
 582 static BOOL image_xpng_filter(const BYTE *b, DWORD size)
 583 {
 584     static const BYTE xpng_header[] = {0x89,'P','N','G',0x0d,0x0a,0x1a,0x0a};
 585     return size > sizeof(xpng_header) && !memcmp(b, xpng_header, sizeof(xpng_header));
 586 }
 587
 588 static BOOL image_bmp_filter(const BYTE *b, DWORD size)
 589 {
 590     return size >= 14
 591         && b[0] == 0x42 && b[1] == 0x4d
 592         && *(const DWORD *)(b+6) == 0;
 593 }
 594
 595 static BOOL video_avi_filter(const BYTE *b, DWORD size)
 596 {
 597     return size > 12
 598         && b[0] == 'R' && b[1] == 'I' && b[2] == 'F' && b[3] == 'F'
 599         && b[8] == 'A' && b[9] == 'V' && b[10] == 'I' && b[11] == 0x20;
 600 }
 601
 602 static BOOL video_mpeg_filter(const BYTE *b, DWORD size)
 603 {
 604     return size > 4
 605         && !b[0] && !b[1] && b[2] == 0x01
 606         && (b[3] == 0xb3 || b[3] == 0xba);
 607 }
 608
 609 static BOOL application_postscript_filter(const BYTE *b, DWORD size)
 610 {
 611     return size > 2 && b[0] == '%' && b[1] == '!';
 612 }
 613
 614 static BOOL application_pdf_filter(const BYTE *b, DWORD size)
 615 {
 616     return size > 4 && b[0] == 0x25 && b[1] == 0x50 && b[2] == 0x44 && b[3] == 0x46;
 617 }
 618
 619 static BOOL application_xzip_filter(const BYTE *b, DWORD size)
 620 {
 621     return size > 2 && b[0] == 0x50 && b[1] == 0x4b;
 622 }
 623
 624 static BOOL application_xgzip_filter(const BYTE *b, DWORD size)
 625 {
 626     return size > 2 && b[0] == 0x1f && b[1] == 0x8b;
 627 }
 628
 629 static BOOL application_java_filter(const BYTE *b, DWORD size)
 630 {
 631     return size > 4 && b[0] == 0xca && b[1] == 0xfe && b[2] == 0xba && b[3] == 0xbe;
 632 }
 633
 634 static BOOL application_xmsdownload(const BYTE *b, DWORD size)
 635 {
 636     return size > 2 && b[0] == 'M' && b[1] == 'Z';
 637 }
 638
 639 static BOOL text_plain_filter(const BYTE *b, DWORD size)
 640 {
 641     const BYTE *ptr;
 642
 643     for(ptr = b; ptr < b+size-1; ptr++) {
 644         if(*ptr < 0x20 && *ptr != '\n' && *ptr != '\r' && *ptr != '\t')
 645             return FALSE;
 646     }
 647
 648     return TRUE;
 649 }
 650
 651 static BOOL application_octet_stream_filter(const BYTE *b, DWORD size)
 652 {
 653     return TRUE;
 654 }
 655
 656 /***********************************************************************
 657  *           FindMimeFromData (URLMON.@)
 658  *
 659  * Determines the Multipurpose Internet Mail Extensions (MIME) type from the data provided.
 660  */
 661 HRESULT WINAPI FindMimeFromData(LPBC pBC, LPCWSTR pwzUrl, LPVOID pBuffer,
 662         DWORD cbSize, LPCWSTR pwzMimeProposed, DWORD dwMimeFlags,
 663         LPWSTR* ppwzMimeOut, DWORD dwReserved)
 664 {
 665     TRACE("(%p,%s,%p,%d,%s,0x%x,%p,0x%x)\n", pBC, debugstr_w(pwzUrl), pBuffer, cbSize,
 666             debugstr_w(pwzMimeProposed), dwMimeFlags, ppwzMimeOut, dwReserved);
 667
 668     if(dwMimeFlags)
 669         WARN("dwMimeFlags=%08x\n", dwMimeFlags);
 670     if(dwReserved)
 671         WARN("dwReserved=%d\n", dwReserved);
 672
 673     /* pBC seams to not be used */
 674
 675     if(!ppwzMimeOut || (!pwzUrl && !pBuffer))
 676         return E_INVALIDARG;
 677
 678     if(pwzMimeProposed && (!pBuffer || (pBuffer && !cbSize))) {
 679         DWORD len;
 680
 681         if(!pwzMimeProposed)
 682             return E_FAIL;
 683
 684         len = strlenW(pwzMimeProposed)+1;
 685         *ppwzMimeOut = CoTaskMemAlloc(len*sizeof(WCHAR));
 686         memcpy(*ppwzMimeOut, pwzMimeProposed, len*sizeof(WCHAR));
 687         return S_OK;
 688     }
 689
 690     if(pBuffer) {
 691         const BYTE *buf = pBuffer;
 692         DWORD len;
 693         LPCWSTR ret = NULL;
 694         unsigned int i;
 695
 696         static const WCHAR wszTextHtml[] = {'t','e','x','t','/','h','t','m','l',0};
 697         static const WCHAR wszTextRichtext[] = {'t','e','x','t','/','r','i','c','h','t','e','x','t',0};
 698         static const WCHAR wszAudioBasic[] = {'a','u','d','i','o','/','b','a','s','i','c',0};
 699         static const WCHAR wszAudioWav[] = {'a','u','d','i','o','/','w','a','v',0};
 700         static const WCHAR wszImageGif[] = {'i','m','a','g','e','/','g','i','f',0};
 701         static const WCHAR wszImagePjpeg[] = {'i','m','a','g','e','/','p','j','p','e','g',0};
 702         static const WCHAR wszImageTiff[] = {'i','m','a','g','e','/','t','i','f','f',0};
 703         static const WCHAR wszImageXPng[] = {'i','m','a','g','e','/','x','-','p','n','g',0};
 704         static const WCHAR wszImageBmp[] = {'i','m','a','g','e','/','b','m','p',0};
 705         static const WCHAR wszVideoAvi[] = {'v','i','d','e','o','/','a','v','i',0};
 706         static const WCHAR wszVideoMpeg[] = {'v','i','d','e','o','/','m','p','e','g',0};
 707         static const WCHAR wszAppPostscript[] =
 708             {'a','p','p','l','i','c','a','t','i','o','n','/','p','o','s','t','s','c','r','i','p','t',0};
 709         static const WCHAR wszAppPdf[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 710             'p','d','f',0};
 711         static const WCHAR wszAppXZip[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 712             'x','-','z','i','p','-','c','o','m','p','r','e','s','s','e','d',0};
 713         static const WCHAR wszAppXGzip[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 714             'x','-','g','z','i','p','-','c','o','m','p','r','e','s','s','e','d',0};
 715         static const WCHAR wszAppJava[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 716             'j','a','v','a',0};
 717         static const WCHAR wszAppXMSDownload[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 718             'x','-','m','s','d','o','w','n','l','o','a','d',0};
 719         static const WCHAR wszTextPlain[] = {'t','e','x','t','/','p','l','a','i','n','\0'};
 720         static const WCHAR wszAppOctetStream[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 721             'o','c','t','e','t','-','s','t','r','e','a','m','\0'};
 722
 723         static const struct {
 724             LPCWSTR mime;
 725             BOOL (*filter)(const BYTE *,DWORD);
 726         } mime_filters[] = {
 727             {wszTextHtml,       text_html_filter},
 728             {wszTextRichtext,   text_richtext_filter},
 729          /* {wszAudioXAiff,     audio_xaiff_filter}, */
 730             {wszAudioBasic,     audio_basic_filter},
 731             {wszAudioWav,       audio_wav_filter},
 732             {wszImageGif,       image_gif_filter},
 733             {wszImagePjpeg,     image_pjpeg_filter},
 734             {wszImageTiff,      image_tiff_filter},
 735             {wszImageXPng,      image_xpng_filter},
 736          /* {wszImageXBitmap,   image_xbitmap_filter}, */
 737             {wszImageBmp,       image_bmp_filter},
 738          /* {wszImageXJg,       image_xjg_filter}, */
 739          /* {wszImageXEmf,      image_xemf_filter}, */
 740          /* {wszImageXWmf,      image_xwmf_filter}, */
 741             {wszVideoAvi,       video_avi_filter},
 742             {wszVideoMpeg,      video_mpeg_filter},
 743             {wszAppPostscript,  application_postscript_filter},
 744          /* {wszAppBase64,      application_base64_filter}, */
 745          /* {wszAppMacbinhex40, application_macbinhex40_filter}, */
 746             {wszAppPdf,         application_pdf_filter},
 747          /* {wszAppXCompressed, application_xcompressed_filter}, */
 748             {wszAppXZip,        application_xzip_filter},
 749             {wszAppXGzip,       application_xgzip_filter},
 750             {wszAppJava,        application_java_filter},
 751             {wszAppXMSDownload, application_xmsdownload},
 752             {wszTextPlain,      text_plain_filter},
 753             {wszAppOctetStream, application_octet_stream_filter}
 754         };
 755
 756         if(!cbSize)
 757             return E_FAIL;
 758
 759         if(pwzMimeProposed && strcmpW(pwzMimeProposed, wszAppOctetStream)) {
 760             for(i=0; i < sizeof(mime_filters)/sizeof(*mime_filters); i++) {
 761                 if(!strcmpW(pwzMimeProposed, mime_filters[i].mime))
 762                     break;
 763             }
 764
 765             if(i == sizeof(mime_filters)/sizeof(*mime_filters)
 766                     || mime_filters[i].filter(buf, cbSize)) {
 767                 len = strlenW(pwzMimeProposed)+1;
 768                 *ppwzMimeOut = CoTaskMemAlloc(len*sizeof(WCHAR));
 769                 memcpy(*ppwzMimeOut, pwzMimeProposed, len*sizeof(WCHAR));
 770                 return S_OK;
 771             }
 772         }
 773
 774         i=0;
 775         while(!ret) {
 776             if(mime_filters[i].filter(buf, cbSize))
 777                 ret = mime_filters[i].mime;
 778             i++;
 779         }
 780
 781         TRACE("found %s for data\n"
 782               "%02x %02x %02x %02x  %02x %02x %02x %02x  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
 783               debugstr_w(ret), buf[0],buf[1],buf[2],buf[3], buf[4],buf[5],buf[6],buf[7],
 784               buf[8],buf[9],buf[10],buf[11], buf[12],buf[13],buf[14],buf[15]);
 785
 786         if(pwzMimeProposed) {
 787             if(i == sizeof(mime_filters)/sizeof(*mime_filters))
 788                 ret = pwzMimeProposed;
 789
 790             /* text/html is a special case */
 791             if(!strcmpW(pwzMimeProposed, wszTextHtml) && !strcmpW(ret, wszTextPlain))
 792                 ret = wszTextHtml;
 793         }
 794
 795         len = strlenW(ret)+1;
 796         *ppwzMimeOut = CoTaskMemAlloc(len*sizeof(WCHAR));
 797         memcpy(*ppwzMimeOut, ret, len*sizeof(WCHAR));
 798         return S_OK;
 799     }
 800
 801     if(pwzUrl) {
 802         HKEY hkey;
 803         DWORD res, size;
 804         LPCWSTR ptr;
 805         WCHAR mime[64];
 806
 807         static const WCHAR wszContentType[] =
 808                 {'C','o','n','t','e','n','t',' ','T','y','p','e','\0'};
 809
 810         ptr = strrchrW(pwzUrl, '.');
 811         if(!ptr)
 812             return E_FAIL;
 813
 814         res = RegOpenKeyW(HKEY_CLASSES_ROOT, ptr, &hkey);
 815         if(res != ERROR_SUCCESS)
 816             return HRESULT_FROM_WIN32(res);
 817
 818         size = sizeof(mime);
 819         res = RegQueryValueExW(hkey, wszContentType, NULL, NULL, (LPBYTE)mime, &size);
 820         RegCloseKey(hkey);
 821         if(res != ERROR_SUCCESS)
 822             return HRESULT_FROM_WIN32(res);
 823
 824         *ppwzMimeOut = CoTaskMemAlloc(size);
 825         memcpy(*ppwzMimeOut, mime, size);
 826         return S_OK;
 827     }
 828
 829     return E_FAIL;
 830 }
 831
 832 /***********************************************************************
 833  *           GetClassFileOrMime (URLMON.@)
 834  *
 835  * Determines the class ID from the bind context, file name or MIME type.
 836  */
 837 HRESULT WINAPI GetClassFileOrMime(LPBC pBC, LPCWSTR pszFilename,
 838         LPVOID pBuffer, DWORD cbBuffer, LPCWSTR pszMimeType, DWORD dwReserved,
 839         CLSID *pclsid)
 840 {
 841     FIXME("(%p, %s, %p, %d, %p, 0x%08x, %p): stub\n", pBC,
 842         debugstr_w(pszFilename), pBuffer, cbBuffer, debugstr_w(pszMimeType),
 843         dwReserved, pclsid);
 844     return E_NOTIMPL;
 845 }
 846
 847 /***********************************************************************
 848  * Extract (URLMON.@)
 849  */
 850 HRESULT WINAPI Extract(void *dest, LPCSTR szCabName)
 851 {
 852     HRESULT (WINAPI *pExtract)(void *, LPCSTR);
 853
 854     if (!hCabinet)
 855         hCabinet = LoadLibraryA("cabinet.dll");
 856
 857     if (!hCabinet) return HRESULT_FROM_WIN32(GetLastError());
 858     pExtract = (void *)GetProcAddress(hCabinet, "Extract");
 859     if (!pExtract) return HRESULT_FROM_WIN32(GetLastError());
 860
 861     return pExtract(dest, szCabName);
 862 }
 863
 864 /***********************************************************************
 865  *           IsLoggingEnabledA (URLMON.@)
 866  */
 867 BOOL WINAPI IsLoggingEnabledA(LPCSTR url)
 868 {
 869     FIXME("(%s)\n", debugstr_a(url));
 870     return FALSE;
 871 }
 872
 873 /***********************************************************************
 874  *           IsLoggingEnabledW (URLMON.@)
 875  */
 876 BOOL WINAPI IsLoggingEnabledW(LPCWSTR url)
 877 {
 878     FIXME("(%s)\n", debugstr_w(url));
 879     return FALSE;
 880 }